2.22.2

Automatically generated by python-semantic-release

.github/workflows/pytest-matrix.yml

@@ -56,4 +56,4 @@ jobs:
       - name: Run Pytest
         run: |
           pip install pytest pytest-random-order
-          pytest -v --maxfail=2 --junitxml=report.xml --random-order ./tests/unit_tests
+          pytest -v --junitxml=report.xml --random-order ./tests/unit_tests

CHANGELOG.md

@@ -1,6 +1,114 @@
 # CHANGELOG
 
 
+## v2.22.2 (2025-07-11)
+
+### Bug Fixes
+
+- **plot_base**: Autorange takes into account only visible curves
+  ([`7643986`](https://github.com/bec-project/bec_widgets/commit/76439866c1fd09cb7d9d48dfccdc7b1943bfbc0f))
+
+
+## v2.22.1 (2025-07-11)
+
+### Bug Fixes
+
+- **crosshair**: Crosshair mouse_moved can be set manually
+  ([`63a8da6`](https://github.com/bec-project/bec_widgets/commit/63a8da680d263a50102aacf463ec6f6252562f9d))
+
+- **heatmap**: Fix pixel size calculation for arbitrary shapes
+  ([`6c49425`](https://github.com/bec-project/bec_widgets/commit/6c494258f82059a2472f43bb8287390ce1aba704))
+
+
+## v2.22.0 (2025-07-10)
+
+### Bug Fixes
+
+- **crosshair**: Add slot to reset mouse markers
+  ([`adaad4f`](https://github.com/bec-project/bec_widgets/commit/adaad4f4d5ebf775a337e23a944ba9eb289d01a0))
+
+- **crosshair**: Fix crosshair support for transformations
+  ([`3ba0fc4`](https://github.com/bec-project/bec_widgets/commit/3ba0fc4b442e5926f27a13f09d628c30987f2cf8))
+
+- **image**: Reset crosshair on new scan
+  ([`e594de3`](https://github.com/bec-project/bec_widgets/commit/e594de3ca39970f91f5842693eeb1fac393eaa34))
+
+- **image item**: Fix processor for nans in images
+  ([`39c316d`](https://github.com/bec-project/bec_widgets/commit/39c316d6eadfdfbd483661b67720a7e224a46712))
+
+- **image_base**: Move cbar init to image base
+  ([`8929778`](https://github.com/bec-project/bec_widgets/commit/8929778f073c40a9eabba7eda2415fc9af1072bb))
+
+- **image_processor**: Support for nans in nd arrays
+  ([`a6fc799`](https://github.com/bec-project/bec_widgets/commit/a6fc7993a3d22cfd086310c8e6dad3f9f3d1e9fe))
+
+### Features
+
+- Add heatmap widget
+  ([`0c76b0c`](https://github.com/bec-project/bec_widgets/commit/0c76b0c49598d1456aab266b483de327788028fd))
+
+- **image_item**: Add support for qtransform
+  ([`324a5bd`](https://github.com/bec-project/bec_widgets/commit/324a5bd3d9ed278495c6ba62453b02061900ae32))
+
+
+## v2.21.4 (2025-07-08)
+
+### Bug Fixes
+
+- **image_roi_tree**: Changing color dialog from ColorButtonNative is open once
+  ([`244bca4`](https://github.com/bec-project/bec_widgets/commit/244bca4e1ec7c00109534b9f503ff2eb125c1ffe))
+
+
+## v2.21.3 (2025-07-03)
+
+### Bug Fixes
+
+- **connector**: Remove safeslot for now
+  ([`25f28c4`](https://github.com/bec-project/bec_widgets/commit/25f28c47e32af1be7778803dc27d8c2a367172ed))
+
+### Refactoring
+
+- **toolbar**: Split toolbar into components, bundles and connections
+  ([`db720e8`](https://github.com/bec-project/bec_widgets/commit/db720e8fa46bb2fb10c73afa1b4f039cd256d68b))
+
+
+## v2.21.2 (2025-06-30)
+
+### Bug Fixes
+
+- **waveform**: Fix waveform categorisation for aborted scans
+  ([`09c5a44`](https://github.com/bec-project/bec_widgets/commit/09c5a443aac675f02fa1e38179deb9863af152e2))
+
+### Testing
+
+- Assert config for equality, not identity
+  ([`3f5ab14`](https://github.com/bec-project/bec_widgets/commit/3f5ab142a3cb5446261c4faebdc7b13f10ef4a80))
+
+
+## v2.21.1 (2025-06-29)
+
+### Bug Fixes
+
+- **sbb monitor**: Add missing pyproject file
+  ([`371bc48`](https://github.com/bec-project/bec_widgets/commit/371bc485d060404433082c9e3e00780961ce6ae3))
+
+
+## v2.21.0 (2025-06-28)
+
+### Features
+
+- **sbb monitor**: Add sbb monitor widget
+  ([`3d59c25`](https://github.com/bec-project/bec_widgets/commit/3d59c25aa93590a62ab4d31a4ab08589402bf407))
+
+
+## v2.20.1 (2025-06-28)
+
+### Bug Fixes
+
+- **signal input base**: Unregister callback to avoid accessing deleted qt objects
+  ([`7ba8863`](https://github.com/bec-project/bec_widgets/commit/7ba8863d6a0c21f772e4ef8a5d4180c2a7ab49cb))
+
+
 ## v2.20.0 (2025-06-26)
 
 ### Bug Fixes

bec_widgets/applications/launch_window.py

@@ -27,7 +27,7 @@ from bec_widgets.utils.error_popups import SafeSlot
 from bec_widgets.utils.name_utils import pascal_to_snake
 from bec_widgets.utils.plugin_utils import get_plugin_auto_updates
 from bec_widgets.utils.round_frame import RoundedFrame
-from bec_widgets.utils.toolbar import ModularToolBar
+from bec_widgets.utils.toolbars.toolbar import ModularToolBar
 from bec_widgets.utils.ui_loader import UILoader
 from bec_widgets.widgets.containers.auto_update.auto_updates import AutoUpdates
 from bec_widgets.widgets.containers.dock.dock_area import BECDockArea

bec_widgets/cli/client.py

@@ -37,6 +37,7 @@ _Widgets = {
     "DeviceBrowser": "DeviceBrowser",
     "DeviceComboBox": "DeviceComboBox",
     "DeviceLineEdit": "DeviceLineEdit",
+    "Heatmap": "Heatmap",
     "Image": "Image",
     "LogPanel": "LogPanel",
     "Minesweeper": "Minesweeper",
@@ -49,6 +50,7 @@ _Widgets = {
     "ResetButton": "ResetButton",
     "ResumeButton": "ResumeButton",
     "RingProgressBar": "RingProgressBar",
+    "SBBMonitor": "SBBMonitor",
     "ScanControl": "ScanControl",
     "ScatterWaveform": "ScatterWaveform",
     "SignalComboBox": "SignalComboBox",
@@ -1180,6 +1182,482 @@ class EllipticalROI(RPCBase):
         """
 
 
+class Heatmap(RPCBase):
+    """Heatmap widget for visualizing 2d grid data with color mapping for the z-axis."""
+
+    @property
+    @rpc_call
+    def enable_toolbar(self) -> "bool":
+        """
+        Show Toolbar.
+        """
+
+    @enable_toolbar.setter
+    @rpc_call
+    def enable_toolbar(self) -> "bool":
+        """
+        Show Toolbar.
+        """
+
+    @property
+    @rpc_call
+    def enable_side_panel(self) -> "bool":
+        """
+        Show Side Panel
+        """
+
+    @enable_side_panel.setter
+    @rpc_call
+    def enable_side_panel(self) -> "bool":
+        """
+        Show Side Panel
+        """
+
+    @property
+    @rpc_call
+    def enable_fps_monitor(self) -> "bool":
+        """
+        Enable the FPS monitor.
+        """
+
+    @enable_fps_monitor.setter
+    @rpc_call
+    def enable_fps_monitor(self) -> "bool":
+        """
+        Enable the FPS monitor.
+        """
+
+    @rpc_call
+    def set(self, **kwargs):
+        """
+        Set the properties of the plot widget.
+
+        Args:
+            **kwargs: Keyword arguments for the properties to be set.
+
+        Possible properties:
+            - title: str
+            - x_label: str
+            - y_label: str
+            - x_scale: Literal["linear", "log"]
+            - y_scale: Literal["linear", "log"]
+            - x_lim: tuple
+            - y_lim: tuple
+            - legend_label_size: int
+        """
+
+    @property
+    @rpc_call
+    def title(self) -> "str":
+        """
+        Set title of the plot.
+        """
+
+    @title.setter
+    @rpc_call
+    def title(self) -> "str":
+        """
+        Set title of the plot.
+        """
+
+    @property
+    @rpc_call
+    def x_label(self) -> "str":
+        """
+        The set label for the x-axis.
+        """
+
+    @x_label.setter
+    @rpc_call
+    def x_label(self) -> "str":
+        """
+        The set label for the x-axis.
+        """
+
+    @property
+    @rpc_call
+    def y_label(self) -> "str":
+        """
+        The set label for the y-axis.
+        """
+
+    @y_label.setter
+    @rpc_call
+    def y_label(self) -> "str":
+        """
+        The set label for the y-axis.
+        """
+
+    @property
+    @rpc_call
+    def x_limits(self) -> "QPointF":
+        """
+        Get the x limits of the plot.
+        """
+
+    @x_limits.setter
+    @rpc_call
+    def x_limits(self) -> "QPointF":
+        """
+        Get the x limits of the plot.
+        """
+
+    @property
+    @rpc_call
+    def y_limits(self) -> "QPointF":
+        """
+        Get the y limits of the plot.
+        """
+
+    @y_limits.setter
+    @rpc_call
+    def y_limits(self) -> "QPointF":
+        """
+        Get the y limits of the plot.
+        """
+
+    @property
+    @rpc_call
+    def x_grid(self) -> "bool":
+        """
+        Show grid on the x-axis.
+        """
+
+    @x_grid.setter
+    @rpc_call
+    def x_grid(self) -> "bool":
+        """
+        Show grid on the x-axis.
+        """
+
+    @property
+    @rpc_call
+    def y_grid(self) -> "bool":
+        """
+        Show grid on the y-axis.
+        """
+
+    @y_grid.setter
+    @rpc_call
+    def y_grid(self) -> "bool":
+        """
+        Show grid on the y-axis.
+        """
+
+    @property
+    @rpc_call
+    def inner_axes(self) -> "bool":
+        """
+        Show inner axes of the plot widget.
+        """
+
+    @inner_axes.setter
+    @rpc_call
+    def inner_axes(self) -> "bool":
+        """
+        Show inner axes of the plot widget.
+        """
+
+    @property
+    @rpc_call
+    def outer_axes(self) -> "bool":
+        """
+        Show the outer axes of the plot widget.
+        """
+
+    @outer_axes.setter
+    @rpc_call
+    def outer_axes(self) -> "bool":
+        """
+        Show the outer axes of the plot widget.
+        """
+
+    @property
+    @rpc_call
+    def auto_range_x(self) -> "bool":
+        """
+        Set auto range for the x-axis.
+        """
+
+    @auto_range_x.setter
+    @rpc_call
+    def auto_range_x(self) -> "bool":
+        """
+        Set auto range for the x-axis.
+        """
+
+    @property
+    @rpc_call
+    def auto_range_y(self) -> "bool":
+        """
+        Set auto range for the y-axis.
+        """
+
+    @auto_range_y.setter
+    @rpc_call
+    def auto_range_y(self) -> "bool":
+        """
+        Set auto range for the y-axis.
+        """
+
+    @property
+    @rpc_call
+    def minimal_crosshair_precision(self) -> "int":
+        """
+        Minimum decimal places for crosshair when dynamic precision is enabled.
+        """
+
+    @minimal_crosshair_precision.setter
+    @rpc_call
+    def minimal_crosshair_precision(self) -> "int":
+        """
+        Minimum decimal places for crosshair when dynamic precision is enabled.
+        """
+
+    @property
+    @rpc_call
+    def color_map(self) -> "str":
+        """
+        Set the color map of the image.
+        """
+
+    @color_map.setter
+    @rpc_call
+    def color_map(self) -> "str":
+        """
+        Set the color map of the image.
+        """
+
+    @property
+    @rpc_call
+    def v_range(self) -> "QPointF":
+        """
+        Set the v_range of the main image.
+        """
+
+    @v_range.setter
+    @rpc_call
+    def v_range(self) -> "QPointF":
+        """
+        Set the v_range of the main image.
+        """
+
+    @property
+    @rpc_call
+    def v_min(self) -> "float":
+        """
+        Get the minimum value of the v_range.
+        """
+
+    @v_min.setter
+    @rpc_call
+    def v_min(self) -> "float":
+        """
+        Get the minimum value of the v_range.
+        """
+
+    @property
+    @rpc_call
+    def v_max(self) -> "float":
+        """
+        Get the maximum value of the v_range.
+        """
+
+    @v_max.setter
+    @rpc_call
+    def v_max(self) -> "float":
+        """
+        Get the maximum value of the v_range.
+        """
+
+    @property
+    @rpc_call
+    def lock_aspect_ratio(self) -> "bool":
+        """
+        Whether the aspect ratio is locked.
+        """
+
+    @lock_aspect_ratio.setter
+    @rpc_call
+    def lock_aspect_ratio(self) -> "bool":
+        """
+        Whether the aspect ratio is locked.
+        """
+
+    @property
+    @rpc_call
+    def autorange(self) -> "bool":
+        """
+        Whether autorange is enabled.
+        """
+
+    @autorange.setter
+    @rpc_call
+    def autorange(self) -> "bool":
+        """
+        Whether autorange is enabled.
+        """
+
+    @property
+    @rpc_call
+    def autorange_mode(self) -> "str":
+        """
+        Autorange mode.
+
+        Options:
+            - "max": Use the maximum value of the image for autoranging.
+            - "mean": Use the mean value of the image for autoranging.
+        """
+
+    @autorange_mode.setter
+    @rpc_call
+    def autorange_mode(self) -> "str":
+        """
+        Autorange mode.
+
+        Options:
+            - "max": Use the maximum value of the image for autoranging.
+            - "mean": Use the mean value of the image for autoranging.
+        """
+
+    @rpc_call
+    def enable_colorbar(
+        self,
+        enabled: "bool",
+        style: "Literal['full', 'simple']" = "full",
+        vrange: "tuple[int, int] | None" = None,
+    ):
+        """
+        Enable the colorbar and switch types of colorbars.
+
+        Args:
+            enabled(bool): Whether to enable the colorbar.
+            style(Literal["full", "simple"]): The type of colorbar to enable.
+            vrange(tuple): The range of values to use for the colorbar.
+        """
+
+    @property
+    @rpc_call
+    def enable_simple_colorbar(self) -> "bool":
+        """
+        Enable the simple colorbar.
+        """
+
+    @enable_simple_colorbar.setter
+    @rpc_call
+    def enable_simple_colorbar(self) -> "bool":
+        """
+        Enable the simple colorbar.
+        """
+
+    @property
+    @rpc_call
+    def enable_full_colorbar(self) -> "bool":
+        """
+        Enable the full colorbar.
+        """
+
+    @enable_full_colorbar.setter
+    @rpc_call
+    def enable_full_colorbar(self) -> "bool":
+        """
+        Enable the full colorbar.
+        """
+
+    @property
+    @rpc_call
+    def fft(self) -> "bool":
+        """
+        Whether FFT postprocessing is enabled.
+        """
+
+    @fft.setter
+    @rpc_call
+    def fft(self) -> "bool":
+        """
+        Whether FFT postprocessing is enabled.
+        """
+
+    @property
+    @rpc_call
+    def log(self) -> "bool":
+        """
+        Whether logarithmic scaling is applied.
+        """
+
+    @log.setter
+    @rpc_call
+    def log(self) -> "bool":
+        """
+        Whether logarithmic scaling is applied.
+        """
+
+    @property
+    @rpc_call
+    def main_image(self) -> "ImageItem":
+        """
+        Access the main image item.
+        """
+
+    @rpc_call
+    def add_roi(
+        self,
+        kind: "Literal['rect', 'circle', 'ellipse']" = "rect",
+        name: "str | None" = None,
+        line_width: "int | None" = 5,
+        pos: "tuple[float, float] | None" = (10, 10),
+        size: "tuple[float, float] | None" = (50, 50),
+        movable: "bool" = True,
+        **pg_kwargs,
+    ) -> "RectangularROI | CircularROI":
+        """
+        Add a ROI to the image.
+
+        Args:
+            kind(str): The type of ROI to add. Options are "rect" or "circle".
+            name(str): The name of the ROI.
+            line_width(int): The line width of the ROI.
+            pos(tuple): The position of the ROI.
+            size(tuple): The size of the ROI.
+            movable(bool): Whether the ROI is movable.
+            **pg_kwargs: Additional arguments for the ROI.
+
+        Returns:
+            RectangularROI | CircularROI: The created ROI object.
+        """
+
+    @rpc_call
+    def remove_roi(self, roi: "int | str"):
+        """
+        Remove an ROI by index or label via the ROIController.
+        """
+
+    @property
+    @rpc_call
+    def rois(self) -> "list[BaseROI]":
+        """
+        Get the list of ROIs.
+        """
+
+    @rpc_call
+    def plot(
+        self,
+        x_name: "str",
+        y_name: "str",
+        z_name: "str",
+        x_entry: "None | str" = None,
+        y_entry: "None | str" = None,
+        z_entry: "None | str" = None,
+        color_map: "str | None" = "plasma",
+        label: "str | None" = None,
+        validate_bec: "bool" = True,
+        reload: "bool" = False,
+    ):
+        """
+        Plot the heatmap with the given x, y, and z data.
+        """
+
+
 class Image(RPCBase):
     """Image widget for displaying 2D data."""
 
@@ -3249,6 +3727,12 @@ class RingProgressBar(RPCBase):
         """
 
 
+class SBBMonitor(RPCBase):
+    """A widget to display the SBB monitor website."""
+
+    ...
+
+
 class ScanControl(RPCBase):
     """Widget to submit new scans to the queue."""
 
@@ -4070,6 +4554,15 @@ class Waveform(RPCBase):
         Set auto range for the y-axis.
         """
 
+    @rpc_call
+    def auto_range(self, value: "bool" = True):
+        """
+        On demand apply autorange to the plot item based on the visible curves.
+
+        Args:
+            value(bool): If True, apply autorange to the visible curves.
+        """
+
     @property
     @rpc_call
     def x_log(self) -> "bool":

bec_widgets/utils/bec_connector.py

@@ -186,7 +186,6 @@ class BECConnector:
         except:
             logger.error(f"Error getting parent_id for {self.__class__.__name__}")
 
-    @SafeSlot()
     def _run_cleanup_on_deleted_parent(self) -> None:
         """
         Run cleanup on the deleted parent.

bec_widgets/utils/crosshair.py

@@ -5,9 +5,13 @@ from typing import Any
 
 import numpy as np
 import pyqtgraph as pg
-from qtpy.QtCore import QObject, Qt, Signal, Slot
+from qtpy.QtCore import QObject, QPointF, Qt, Signal
+from qtpy.QtGui import QCursor, QTransform
 from qtpy.QtWidgets import QApplication
 
+from bec_widgets.utils.error_popups import SafeSlot
+from bec_widgets.widgets.plots.image.image_item import ImageItem
+
 
 class CrosshairScatterItem(pg.ScatterPlotItem):
     def setDownsampling(self, ds=None, auto=None, method=None):
@@ -160,7 +164,7 @@ class Crosshair(QObject):
             qapp.theme_signal.theme_updated.connect(self._update_theme)
             self._update_theme()
 
-    @Slot(str)
+    @SafeSlot(str)
     def _update_theme(self, theme: str | None = None):
         """Update the theme."""
         if theme is None:
@@ -187,7 +191,7 @@ class Crosshair(QObject):
         self.coord_label.fill = pg.mkBrush(label_bg_color)
         self.coord_label.border = pg.mkPen(None)
 
-    @Slot(int)
+    @SafeSlot(int)
     def update_highlighted_curve(self, curve_index: int):
         """
         Update the highlighted curve in the case of multiple curves in a plot item.
@@ -265,15 +269,47 @@ class Crosshair(QObject):
                     [0, 0], size=[item.image.shape[0], 1], pen=pg.mkPen("r", width=2), movable=False
                 )
                 self.marker_2d_row.skip_auto_range = True
+                if item.image_transform is not None:
+                    self.marker_2d_row.setTransform(item.image_transform)
                 self.plot_item.addItem(self.marker_2d_row)
 
                 # Create vertical ROI for column highlighting
                 self.marker_2d_col = pg.ROI(
                     [0, 0], size=[1, item.image.shape[1]], pen=pg.mkPen("r", width=2), movable=False
                 )
+                if item.image_transform is not None:
+                    self.marker_2d_col.setTransform(item.image_transform)
                 self.marker_2d_col.skip_auto_range = True
                 self.plot_item.addItem(self.marker_2d_col)
 
+    @SafeSlot()
+    def update_markers_on_image_change(self):
+        """
+        Update markers when the image changes, e.g. when the
+        image shape or transformation changes.
+        """
+        for item in self.items:
+            if not isinstance(item, pg.ImageItem):
+                continue
+            if self.marker_2d_row is not None:
+                self.marker_2d_row.setSize([item.image.shape[0], 1])
+                self.marker_2d_row.setTransform(item.image_transform)
+            if self.marker_2d_col is not None:
+                self.marker_2d_col.setSize([1, item.image.shape[1]])
+                self.marker_2d_col.setTransform(item.image_transform)
+            # Get the current mouse position
+            views = self.plot_item.vb.scene().views()
+            if not views:
+                return
+            view = views[0]
+            global_pos = QCursor.pos()
+            view_pos = view.mapFromGlobal(global_pos)
+            scene_pos = view.mapToScene(view_pos)
+
+            if self.plot_item.vb.sceneBoundingRect().contains(scene_pos):
+                plot_pt = self.plot_item.vb.mapSceneToView(scene_pos)
+                self.mouse_moved(manual_pos=(plot_pt.x(), plot_pt.y()))
+
     def snap_to_data(
         self, x: float, y: float
     ) -> tuple[None, None] | tuple[defaultdict[Any, list], defaultdict[Any, list]]:
@@ -316,9 +352,25 @@ class Crosshair(QObject):
                 image_2d = item.image
                 if image_2d is None:
                     continue
-                # Clip the x and y values to the image dimensions to avoid out of bounds errors
-                y_values[name] = int(np.clip(y, 0, image_2d.shape[1] - 1))
-                x_values[name] = int(np.clip(x, 0, image_2d.shape[0] - 1))
+                # Map scene coordinates (plot units) back to image pixel coordinates
+                if item.image_transform is not None:
+                    inv_transform, _ = item.image_transform.inverted()
+                    xy_trans = inv_transform.map(QPointF(x, y))
+                else:
+                    xy_trans = QPointF(x, y)
+
+                # Define valid pixel coordinate bounds
+                min_x_px, min_y_px = 0, 0
+                max_x_px = image_2d.shape[0] - 1  # columns
+                max_y_px = image_2d.shape[1] - 1  # rows
+
+                # Clip the mapped coordinates to the image bounds
+                px = int(np.clip(xy_trans.x(), min_x_px, max_x_px))
+                py = int(np.clip(xy_trans.y(), min_y_px, max_y_px))
+
+                # Store snapped pixel positions
+                x_values[name] = px
+                y_values[name] = py
 
         if x_values and y_values:
             if all(v is None for v in x_values.values()) or all(
@@ -358,60 +410,74 @@ class Crosshair(QObject):
 
         return list_x[original_index], list_y[original_index]
 
-    def mouse_moved(self, event):
-        """Handles the mouse moved event, updating the crosshair position and emitting signals.
+    @SafeSlot(object, tuple)
+    def mouse_moved(self, event=None, manual_pos=None):
+        """
+        Handles the mouse moved event, updating the crosshair position and emitting signals.
 
         Args:
-            event: The mouse moved event
+            event(object): The mouse moved event, which contains the scene position.
+            manual_pos(tuple, optional): A tuple containing the (x, y) coordinates to manually set the crosshair position.
         """
-        pos = event[0]
+        # Determine target (x, y) in *plot* coordinates
+        if manual_pos is not None:
+            x, y = manual_pos
+        else:
+            if event is None:
+                return  # nothing to do
+            scene_pos = event[0]  # SignalProxy bundle
+            if not self.plot_item.vb.sceneBoundingRect().contains(scene_pos):
+                return
+            view_pos = self.plot_item.vb.mapSceneToView(scene_pos)
+            x, y = view_pos.x(), view_pos.y()
+
+        # Update cross‑hair visuals
+        self.v_line.setPos(x)
+        self.h_line.setPos(y)
+
         self.update_markers()
-        if self.plot_item.vb.sceneBoundingRect().contains(pos):
-            mouse_point = self.plot_item.vb.mapSceneToView(pos)
-            x, y = mouse_point.x(), mouse_point.y()
-            self.v_line.setPos(x)
-            self.h_line.setPos(y)
-            scaled_x, scaled_y = self.scale_emitted_coordinates(mouse_point.x(), mouse_point.y())
-            self.crosshairChanged.emit((scaled_x, scaled_y))
-            self.positionChanged.emit((x, y))
+        scaled_x, scaled_y = self.scale_emitted_coordinates(x, y)
+        self.crosshairChanged.emit((scaled_x, scaled_y))
+        self.positionChanged.emit((x, y))
 
-            x_snap_values, y_snap_values = self.snap_to_data(x, y)
-            if x_snap_values is None or y_snap_values is None:
-                return
-            if all(v is None for v in x_snap_values.values()) or all(
-                v is None for v in y_snap_values.values()
-            ):
-                # not sure how we got here, but just to be safe...
-                return
+        snap_x_vals, snap_y_vals = self.snap_to_data(x, y)
+        if snap_x_vals is None or snap_y_vals is None:
+            return
+        if all(v is None for v in snap_x_vals.values()) or all(
+            v is None for v in snap_y_vals.values()
+        ):
+            return
 
-            precision = self._current_precision()
-            for item in self.items:
-                if isinstance(item, pg.PlotDataItem):
-                    name = item.name() or str(id(item))
-                    x, y = x_snap_values[name], y_snap_values[name]
-                    if x is None or y is None:
-                        continue
-                    self.marker_moved_1d[name].setData([x], [y])
-                    x_snapped_scaled, y_snapped_scaled = self.scale_emitted_coordinates(x, y)
-                    coordinate_to_emit = (
-                        name,
-                        round(x_snapped_scaled, precision),
-                        round(y_snapped_scaled, precision),
-                    )
-                    self.coordinatesChanged1D.emit(coordinate_to_emit)
-                elif isinstance(item, pg.ImageItem):
-                    name = item.objectName() or str(id(item))
-                    x, y = x_snap_values[name], y_snap_values[name]
-                    if x is None or y is None:
-                        continue
-                    # Set position of horizontal ROI (row)
-                    self.marker_2d_row.setPos([0, y])
-                    # Set position of vertical ROI (column)
-                    self.marker_2d_col.setPos([x, 0])
-                    coordinate_to_emit = (name, x, y)
-                    self.coordinatesChanged2D.emit(coordinate_to_emit)
-                else:
+        precision = self._current_precision()
+
+        for item in self.items:
+            if isinstance(item, pg.PlotDataItem):
+                name = item.name() or str(id(item))
+                sx, sy = snap_x_vals[name], snap_y_vals[name]
+                if sx is None or sy is None:
                     continue
+                self.marker_moved_1d[name].setData([sx], [sy])
+                sx_s, sy_s = self.scale_emitted_coordinates(sx, sy)
+                self.coordinatesChanged1D.emit(
+                    (name, round(sx_s, precision), round(sy_s, precision))
+                )
+
+            elif isinstance(item, pg.ImageItem):
+                name = item.objectName() or str(id(item))
+                px, py = snap_x_vals[name], snap_y_vals[name]
+                if px is None or py is None:
+                    continue
+
+                # Respect image transforms
+                if isinstance(item, ImageItem) and item.image_transform is not None:
+                    row, col = self._get_transformed_position(px, py, item.image_transform)
+                    self.marker_2d_row.setPos(row)
+                    self.marker_2d_col.setPos(col)
+                else:
+                    self.marker_2d_row.setPos([0, py])
+                    self.marker_2d_col.setPos([px, 0])
+
+                self.coordinatesChanged2D.emit((name, px, py))
 
     def mouse_clicked(self, event):
         """Handles the mouse clicked event, updating the crosshair position and emitting signals.
@@ -462,15 +528,35 @@ class Crosshair(QObject):
                     x, y = x_snap_values[name], y_snap_values[name]
                     if x is None or y is None:
                         continue
-                    # Set position of horizontal ROI (row)
-                    self.marker_2d_row.setPos([0, y])
-                    # Set position of vertical ROI (column)
-                    self.marker_2d_col.setPos([x, 0])
+
+                    if isinstance(item, ImageItem) and item.image_transform is not None:
+                        row, col = self._get_transformed_position(x, y, item.image_transform)
+                        self.marker_2d_row.setPos(row)
+                        self.marker_2d_col.setPos(col)
+                    else:
+                        self.marker_2d_row.setPos([0, y])
+                        self.marker_2d_col.setPos([x, 0])
+
                     coordinate_to_emit = (name, x, y)
                     self.coordinatesClicked2D.emit(coordinate_to_emit)
                 else:
                     continue
 
+    def _get_transformed_position(
+        self, x: float, y: float, transform: QTransform
+    ) -> tuple[QPointF, QPointF]:
+        """
+        Maps the given x and y coordinates to the transformed position using the provided transform.
+        Args:
+            x (float): The x-coordinate to transform.
+            y (float): The y-coordinate to transform.
+            transform (QTransform): The transformation to apply.
+        """
+        origin = transform.map(QPointF(0, 0))
+        row = transform.map(QPointF(0, y)) - origin
+        col = transform.map(QPointF(x, 0)) - origin
+        return row, col
+
     def clear_markers(self):
         """Clears the markers from the plot."""
         for marker in self.marker_moved_1d.values():
@@ -512,8 +598,18 @@ class Crosshair(QObject):
                 image = item.image
                 if image is None:
                     continue
-                ix = int(np.clip(x, 0, image.shape[0] - 1))
-                iy = int(np.clip(y, 0, image.shape[1] - 1))
+
+                if item.image_transform is not None:
+                    inv_transform, _ = item.image_transform.inverted()
+                    pt = inv_transform.map(QPointF(x, y))
+                    px, py = pt.x(), pt.y()
+                else:
+                    px, py = x, y
+
+                # Clip to valid pixel indices
+                ix = int(np.clip(px, 0, image.shape[0] - 1))  # column
+                iy = int(np.clip(py, 0, image.shape[1] - 1))  # row
+
                 intensity = image[ix, iy]
                 text += f"\nIntensity: {intensity:.{precision}f}"
                 break
@@ -533,15 +629,19 @@ class Crosshair(QObject):
         self.is_derivative = self.plot_item.ctrl.derivativeCheck.isChecked()
         self.clear_markers()
 
-    def cleanup(self):
+    @SafeSlot()
+    def reset(self):
+        """Resets the crosshair to its initial state."""
         if self.marker_2d_row is not None:
             self.plot_item.removeItem(self.marker_2d_row)
             self.marker_2d_row = None
         if self.marker_2d_col is not None:
             self.plot_item.removeItem(self.marker_2d_col)
             self.marker_2d_col = None
+        self.clear_markers()
+
+    def cleanup(self):
+        self.reset()
         self.plot_item.removeItem(self.v_line)
         self.plot_item.removeItem(self.h_line)
         self.plot_item.removeItem(self.coord_label)
-
-        self.clear_markers()

bec_widgets/utils/side_panel.py

@@ -16,7 +16,8 @@ from qtpy.QtWidgets import (
     QWidget,
 )
 
-from bec_widgets.utils.toolbar import MaterialIconAction, ModularToolBar
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
+from bec_widgets.utils.toolbars.toolbar import MaterialIconAction, ModularToolBar
 
 
 class SidePanel(QWidget):
@@ -61,7 +62,7 @@ class SidePanel(QWidget):
             self.main_layout.setContentsMargins(0, 0, 0, 0)
             self.main_layout.setSpacing(0)
 
-            self.toolbar = ModularToolBar(parent=self, target_widget=self, orientation="vertical")
+            self.toolbar = ModularToolBar(parent=self, orientation="vertical")
 
             self.container = QWidget()
             self.container.layout = QVBoxLayout(self.container)
@@ -92,7 +93,7 @@ class SidePanel(QWidget):
             self.main_layout.setContentsMargins(0, 0, 0, 0)
             self.main_layout.setSpacing(0)
 
-            self.toolbar = ModularToolBar(parent=self, target_widget=self, orientation="horizontal")
+            self.toolbar = ModularToolBar(parent=self, orientation="horizontal")
 
             self.container = QWidget()
             self.container.layout = QVBoxLayout(self.container)
@@ -288,8 +289,16 @@ class SidePanel(QWidget):
 
         # Add an action to the toolbar if action_id, icon_name, and tooltip are provided
         if action_id is not None and icon_name is not None and tooltip is not None:
-            action = MaterialIconAction(icon_name=icon_name, tooltip=tooltip, checkable=True)
-            self.toolbar.add_action(action_id, action, target_widget=self)
+            action = MaterialIconAction(
+                icon_name=icon_name, tooltip=tooltip, checkable=True, parent=self
+            )
+            self.toolbar.components.add_safe(action_id, action)
+            bundle = ToolbarBundle(action_id, self.toolbar.components)
+            bundle.add_action(action_id)
+            self.toolbar.add_bundle(bundle)
+            shown_bundles = self.toolbar.shown_bundles
+            shown_bundles.append(action_id)
+            self.toolbar.show_bundles(shown_bundles)
 
             def on_action_toggled(checked: bool):
                 if self.switching_actions:

bec_widgets/utils/toolbars/actions.py

@@ -0,0 +1,524 @@
+# pylint: disable=no-name-in-module
+from __future__ import annotations
+
+import os
+from abc import ABC, abstractmethod
+from contextlib import contextmanager
+from typing import Dict, Literal
+
+from bec_lib.device import ReadoutPriority
+from bec_lib.logger import bec_logger
+from bec_qthemes._icon.material_icons import material_icon
+from qtpy.QtCore import QSize, Qt, QTimer
+from qtpy.QtGui import QAction, QColor, QIcon
+from qtpy.QtWidgets import (
+    QApplication,
+    QComboBox,
+    QHBoxLayout,
+    QLabel,
+    QMenu,
+    QSizePolicy,
+    QStyledItemDelegate,
+    QToolBar,
+    QToolButton,
+    QWidget,
+)
+
+import bec_widgets
+from bec_widgets.widgets.control.device_input.base_classes.device_input_base import BECDeviceFilter
+from bec_widgets.widgets.control.device_input.device_combobox.device_combobox import DeviceComboBox
+
+logger = bec_logger.logger
+
+MODULE_PATH = os.path.dirname(bec_widgets.__file__)
+
+
+class NoCheckDelegate(QStyledItemDelegate):
+    """To reduce space in combo boxes by removing the checkmark."""
+
+    def initStyleOption(self, option, index):
+        super().initStyleOption(option, index)
+        # Remove any check indicator
+        option.checkState = Qt.Unchecked
+
+
+class LongPressToolButton(QToolButton):
+    def __init__(self, *args, long_press_threshold=500, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.long_press_threshold = long_press_threshold
+        self._long_press_timer = QTimer(self)
+        self._long_press_timer.setSingleShot(True)
+        self._long_press_timer.timeout.connect(self.handleLongPress)
+        self._pressed = False
+        self._longPressed = False
+
+    def mousePressEvent(self, event):
+        self._pressed = True
+        self._longPressed = False
+        self._long_press_timer.start(self.long_press_threshold)
+        super().mousePressEvent(event)
+
+    def mouseReleaseEvent(self, event):
+        self._pressed = False
+        if self._longPressed:
+            self._longPressed = False
+            self._long_press_timer.stop()
+            event.accept()  # Prevent normal click action after a long press
+            return
+        self._long_press_timer.stop()
+        super().mouseReleaseEvent(event)
+
+    def handleLongPress(self):
+        if self._pressed:
+            self._longPressed = True
+            self.showMenu()
+
+
+class ToolBarAction(ABC):
+    """
+    Abstract base class for toolbar actions.
+
+    Args:
+        icon_path (str, optional): The name of the icon file from `assets/toolbar_icons`. Defaults to None.
+        tooltip (str, optional): The tooltip for the action. Defaults to None.
+        checkable (bool, optional): Whether the action is checkable. Defaults to False.
+    """
+
+    def __init__(self, icon_path: str = None, tooltip: str = None, checkable: bool = False):
+        self.icon_path = (
+            os.path.join(MODULE_PATH, "assets", "toolbar_icons", icon_path) if icon_path else None
+        )
+        self.tooltip = tooltip
+        self.checkable = checkable
+        self.action = None
+
+    @abstractmethod
+    def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
+        """Adds an action or widget to a toolbar.
+
+        Args:
+            toolbar (QToolBar): The toolbar to add the action or widget to.
+            target (QWidget): The target widget for the action.
+        """
+
+    def cleanup(self):
+        """Cleans up the action, if necessary."""
+        pass
+
+
+class SeparatorAction(ToolBarAction):
+    """Separator action for the toolbar."""
+
+    def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
+        toolbar.addSeparator()
+
+
+class QtIconAction(ToolBarAction):
+    def __init__(self, standard_icon, tooltip=None, checkable=False, parent=None):
+        super().__init__(icon_path=None, tooltip=tooltip, checkable=checkable)
+        self.standard_icon = standard_icon
+        self.icon = QApplication.style().standardIcon(standard_icon)
+        self.action = QAction(icon=self.icon, text=self.tooltip, parent=parent)
+        self.action.setCheckable(self.checkable)
+
+    def add_to_toolbar(self, toolbar, target):
+        toolbar.addAction(self.action)
+
+    def get_icon(self):
+        return self.icon
+
+
+class MaterialIconAction(ToolBarAction):
+    """
+    Action with a Material icon for the toolbar.
+
+    Args:
+        icon_name (str, optional): The name of the Material icon. Defaults to None.
+        tooltip (str, optional): The tooltip for the action. Defaults to None.
+        checkable (bool, optional): Whether the action is checkable. Defaults to False.
+        filled (bool, optional): Whether the icon is filled. Defaults to False.
+        color (str | tuple | QColor | dict[Literal["dark", "light"], str] | None, optional): The color of the icon.
+            Defaults to None.
+        parent (QWidget or None, optional): Parent widget for the underlying QAction.
+    """
+
+    def __init__(
+        self,
+        icon_name: str = None,
+        tooltip: str = None,
+        checkable: bool = False,
+        filled: bool = False,
+        color: str | tuple | QColor | dict[Literal["dark", "light"], str] | None = None,
+        parent=None,
+    ):
+        super().__init__(icon_path=None, tooltip=tooltip, checkable=checkable)
+        self.icon_name = icon_name
+        self.filled = filled
+        self.color = color
+        # Generate the icon using the material_icon helper
+        self.icon = material_icon(
+            self.icon_name,
+            size=(20, 20),
+            convert_to_pixmap=False,
+            filled=self.filled,
+            color=self.color,
+        )
+        if parent is None:
+            logger.warning(
+                "MaterialIconAction was created without a parent. Please consider adding one. Using None as parent may cause issues."
+            )
+        self.action = QAction(icon=self.icon, text=self.tooltip, parent=parent)
+        self.action.setCheckable(self.checkable)
+
+    def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
+        """
+        Adds the action to the toolbar.
+
+        Args:
+            toolbar(QToolBar): The toolbar to add the action to.
+            target(QWidget): The target widget for the action.
+        """
+        toolbar.addAction(self.action)
+
+    def get_icon(self):
+        """
+        Returns the icon for the action.
+
+        Returns:
+            QIcon: The icon for the action.
+        """
+        return self.icon
+
+
+class DeviceSelectionAction(ToolBarAction):
+    """
+    Action for selecting a device in a combobox.
+
+    Args:
+        label (str): The label for the combobox.
+        device_combobox (DeviceComboBox): The combobox for selecting the device.
+    """
+
+    def __init__(self, label: str | None = None, device_combobox=None):
+        super().__init__()
+        self.label = label
+        self.device_combobox = device_combobox
+        self.device_combobox.currentIndexChanged.connect(lambda: self.set_combobox_style("#ffa700"))
+
+    def add_to_toolbar(self, toolbar, target):
+        widget = QWidget(parent=target)
+        layout = QHBoxLayout(widget)
+        layout.setContentsMargins(0, 0, 0, 0)
+        layout.setSpacing(0)
+        if self.label is not None:
+            label = QLabel(text=f"{self.label}", parent=target)
+            layout.addWidget(label)
+        if self.device_combobox is not None:
+            layout.addWidget(self.device_combobox)
+            toolbar.addWidget(widget)
+
+    def set_combobox_style(self, color: str):
+        self.device_combobox.setStyleSheet(f"QComboBox {{ background-color: {color}; }}")
+
+
+class SwitchableToolBarAction(ToolBarAction):
+    """
+    A split toolbar action that combines a main action and a drop-down menu for additional actions.
+
+    The main button displays the currently selected action's icon and tooltip. Clicking on the main button
+    triggers that action. Clicking on the drop-down arrow displays a menu with alternative actions. When an
+    alternative action is selected, it becomes the new default and its callback is immediately executed.
+
+    This design mimics the behavior seen in Adobe Photoshop or Affinity Designer toolbars.
+
+    Args:
+        actions (dict): A dictionary mapping a unique key to a ToolBarAction instance.
+        initial_action (str, optional): The key of the initial default action. If not provided, the first action is used.
+        tooltip (str, optional): An optional tooltip for the split action; if provided, it overrides the default action's tooltip.
+        checkable (bool, optional): Whether the action is checkable. Defaults to True.
+        parent (QWidget, optional): Parent widget for the underlying QAction.
+    """
+
+    def __init__(
+        self,
+        actions: Dict[str, ToolBarAction],
+        initial_action: str = None,
+        tooltip: str = None,
+        checkable: bool = True,
+        default_state_checked: bool = False,
+        parent=None,
+    ):
+        super().__init__(icon_path=None, tooltip=tooltip, checkable=checkable)
+        self.actions = actions
+        self.current_key = initial_action if initial_action is not None else next(iter(actions))
+        self.parent = parent
+        self.checkable = checkable
+        self.default_state_checked = default_state_checked
+        self.main_button = None
+        self.menu_actions: Dict[str, QAction] = {}
+
+    def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
+        """
+        Adds the split action to the toolbar.
+
+        Args:
+            toolbar (QToolBar): The toolbar to add the action to.
+            target (QWidget): The target widget for the action.
+        """
+        self.main_button = LongPressToolButton(toolbar)
+        self.main_button.setPopupMode(QToolButton.MenuButtonPopup)
+        self.main_button.setCheckable(self.checkable)
+        default_action = self.actions[self.current_key]
+        self.main_button.setIcon(default_action.get_icon())
+        self.main_button.setToolTip(default_action.tooltip)
+        self.main_button.clicked.connect(self._trigger_current_action)
+        menu = QMenu(self.main_button)
+        for key, action_obj in self.actions.items():
+            menu_action = QAction(
+                icon=action_obj.get_icon(), text=action_obj.tooltip, parent=self.main_button
+            )
+            menu_action.setIconVisibleInMenu(True)
+            menu_action.setCheckable(self.checkable)
+            menu_action.setChecked(key == self.current_key)
+            menu_action.triggered.connect(lambda checked, k=key: self.set_default_action(k))
+            menu.addAction(menu_action)
+        self.main_button.setMenu(menu)
+        if self.default_state_checked:
+            self.main_button.setChecked(True)
+        self.action = toolbar.addWidget(self.main_button)
+
+    def _trigger_current_action(self):
+        """
+        Triggers the current action associated with the main button.
+        """
+        action_obj = self.actions[self.current_key]
+        action_obj.action.trigger()
+
+    def set_default_action(self, key: str):
+        """
+        Sets the default action for the split action.
+
+        Args:
+            key(str): The key of the action to set as default.
+        """
+        if self.main_button is None:
+            return
+        self.current_key = key
+        new_action = self.actions[self.current_key]
+        self.main_button.setIcon(new_action.get_icon())
+        self.main_button.setToolTip(new_action.tooltip)
+        # Update check state of menu items
+        for k, menu_act in self.actions.items():
+            menu_act.action.setChecked(False)
+        new_action.action.trigger()
+        # Active action chosen from menu is always checked, uncheck through main button
+        if self.checkable:
+            new_action.action.setChecked(True)
+            self.main_button.setChecked(True)
+
+    def block_all_signals(self, block: bool = True):
+        """
+        Blocks or unblocks all signals for the actions in the toolbar.
+
+        Args:
+            block (bool): Whether to block signals. Defaults to True.
+        """
+        if self.main_button is not None:
+            self.main_button.blockSignals(block)
+
+        for action in self.actions.values():
+            action.action.blockSignals(block)
+
+    @contextmanager
+    def signal_blocker(self):
+        """
+        Context manager to block signals for all actions in the toolbar.
+        """
+        self.block_all_signals(True)
+        try:
+            yield
+        finally:
+            self.block_all_signals(False)
+
+    def set_state_all(self, state: bool):
+        """
+        Uncheck all actions in the toolbar.
+        """
+        for action in self.actions.values():
+            action.action.setChecked(state)
+        if self.main_button is None:
+            return
+        self.main_button.setChecked(state)
+
+    def get_icon(self) -> QIcon:
+        return self.actions[self.current_key].get_icon()
+
+
+class WidgetAction(ToolBarAction):
+    """
+    Action for adding any widget to the toolbar.
+    Please note that the injected widget must be life-cycled by the parent widget,
+    i.e., the widget must be properly cleaned up outside of this action. The WidgetAction
+    will not perform any cleanup on the widget itself, only on the container that holds it.
+
+    Args:
+        label (str|None): The label for the widget.
+        widget (QWidget): The widget to be added to the toolbar.
+        adjust_size (bool): Whether to adjust the size of the widget based on its contents. Defaults to True.
+    """
+
+    def __init__(
+        self,
+        label: str | None = None,
+        widget: QWidget = None,
+        adjust_size: bool = True,
+        parent=None,
+    ):
+        super().__init__(icon_path=None, tooltip=label, checkable=False)
+        self.label = label
+        self.widget = widget
+        self.container = None
+        self.adjust_size = adjust_size
+
+    def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
+        """
+        Adds the widget to the toolbar.
+
+        Args:
+            toolbar (QToolBar): The toolbar to add the widget to.
+            target (QWidget): The target widget for the action.
+        """
+        self.container = QWidget(parent=target)
+        layout = QHBoxLayout(self.container)
+        layout.setContentsMargins(0, 0, 0, 0)
+        layout.setSpacing(0)
+
+        if self.label is not None:
+            label_widget = QLabel(text=f"{self.label}", parent=target)
+            label_widget.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
+            label_widget.setAlignment(Qt.AlignVCenter | Qt.AlignRight)
+            layout.addWidget(label_widget)
+
+        if isinstance(self.widget, QComboBox) and self.adjust_size:
+            self.widget.setSizeAdjustPolicy(QComboBox.AdjustToContents)
+
+            size_policy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
+            self.widget.setSizePolicy(size_policy)
+
+            self.widget.setMinimumWidth(self.calculate_minimum_width(self.widget))
+
+        layout.addWidget(self.widget)
+
+        toolbar.addWidget(self.container)
+        # Store the container as the action to allow toggling visibility.
+        self.action = self.container
+
+    def cleanup(self):
+        """
+        Cleans up the action by closing and deleting the container widget.
+        This method will be called automatically when the toolbar is cleaned up.
+        """
+        if self.container is not None:
+            self.container.close()
+            self.container.deleteLater()
+        return super().cleanup()
+
+    @staticmethod
+    def calculate_minimum_width(combo_box: QComboBox) -> int:
+        font_metrics = combo_box.fontMetrics()
+        max_width = max(font_metrics.width(combo_box.itemText(i)) for i in range(combo_box.count()))
+        return max_width + 60
+
+
+class ExpandableMenuAction(ToolBarAction):
+    """
+    Action for an expandable menu in the toolbar.
+
+    Args:
+        label (str): The label for the menu.
+        actions (dict): A dictionary of actions to populate the menu.
+        icon_path (str, optional): The path to the icon file. Defaults to None.
+    """
+
+    def __init__(self, label: str, actions: dict, icon_path: str = None):
+        super().__init__(icon_path, label)
+        self.actions = actions
+
+    def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
+        button = QToolButton(toolbar)
+        if self.icon_path:
+            button.setIcon(QIcon(self.icon_path))
+        button.setText(self.tooltip)
+        button.setPopupMode(QToolButton.InstantPopup)
+        button.setStyleSheet(
+            """
+                   QToolButton {
+                       font-size: 14px;
+                   }
+                   QMenu {
+                       font-size: 14px;
+                   }
+               """
+        )
+        menu = QMenu(button)
+        for action_container in self.actions.values():
+            action: QAction = action_container.action
+            action.setIconVisibleInMenu(True)
+            if action_container.icon_path:
+                icon = QIcon()
+                icon.addFile(action_container.icon_path, size=QSize(20, 20))
+                action.setIcon(icon)
+            elif hasattr(action, "get_icon") and callable(action_container.get_icon):
+                sub_icon = action_container.get_icon()
+                if sub_icon and not sub_icon.isNull():
+                    action.setIcon(sub_icon)
+            action.setCheckable(action_container.checkable)
+            menu.addAction(action)
+        button.setMenu(menu)
+        toolbar.addWidget(button)
+
+
+class DeviceComboBoxAction(WidgetAction):
+    """
+    Action for a device selection combobox in the toolbar.
+
+    Args:
+        label (str): The label for the combobox.
+        device_combobox (QComboBox): The combobox for selecting the device.
+    """
+
+    def __init__(
+        self,
+        target_widget: QWidget,
+        device_filter: list[BECDeviceFilter] | None = None,
+        readout_priority_filter: (
+            str | ReadoutPriority | list[str] | list[ReadoutPriority] | None
+        ) = None,
+        tooltip: str | None = None,
+        add_empty_item: bool = False,
+        no_check_delegate: bool = False,
+    ):
+        self.combobox = DeviceComboBox(
+            parent=target_widget,
+            device_filter=device_filter,
+            readout_priority_filter=readout_priority_filter,
+        )
+        super().__init__(widget=self.combobox, adjust_size=False)
+
+        if add_empty_item:
+            self.combobox.addItem("", None)
+            self.combobox.setCurrentText("")
+        if tooltip is not None:
+            self.combobox.setToolTip(tooltip)
+        if no_check_delegate:
+            self.combobox.setItemDelegate(NoCheckDelegate(self.combobox))
+
+    def cleanup(self):
+        """
+        Cleans up the action by closing and deleting the combobox widget.
+        This method will be called automatically when the toolbar is cleaned up.
+        """
+        if self.combobox is not None:
+            self.combobox.close()
+            self.combobox.deleteLater()
+        return super().cleanup()

bec_widgets/utils/toolbars/bundles.py

@@ -0,0 +1,244 @@
+from __future__ import annotations
+
+from collections import defaultdict
+from typing import TYPE_CHECKING, DefaultDict
+from weakref import ReferenceType
+
+import louie
+from bec_lib.logger import bec_logger
+from pydantic import BaseModel
+
+from bec_widgets.utils.toolbars.actions import SeparatorAction, ToolBarAction
+
+if TYPE_CHECKING:
+    from bec_widgets.utils.toolbars.connections import BundleConnection
+    from bec_widgets.utils.toolbars.toolbar import ModularToolBar
+
+logger = bec_logger.logger
+
+
+class ActionInfo(BaseModel):
+    action: ToolBarAction
+    toolbar_bundle: ToolbarBundle | None = None
+
+    model_config = {"arbitrary_types_allowed": True}
+
+
+class ToolbarComponents:
+    def __init__(self, toolbar: ModularToolBar):
+        """
+        Initializes the toolbar components.
+
+        Args:
+            toolbar (ModularToolBar): The toolbar to which the components will be added.
+        """
+        self.toolbar = toolbar
+
+        self._components: dict[str, ActionInfo] = {}
+        self.add("separator", SeparatorAction())
+
+    def add(self, name: str, component: ToolBarAction):
+        """
+        Adds a component to the toolbar.
+
+        Args:
+            component (ToolBarAction): The component to add.
+        """
+        if name in self._components:
+            raise ValueError(f"Component with name '{name}' already exists.")
+        self._components[name] = ActionInfo(action=component, toolbar_bundle=None)
+
+    def add_safe(self, name: str, component: ToolBarAction):
+        """
+        Adds a component to the toolbar, ensuring it does not already exist.
+
+        Args:
+            name (str): The name of the component.
+            component (ToolBarAction): The component to add.
+        """
+        if self.exists(name):
+            logger.info(f"Component with name '{name}' already exists. Skipping addition.")
+            return
+        self.add(name, component)
+
+    def exists(self, name: str) -> bool:
+        """
+        Checks if a component exists in the toolbar.
+
+        Args:
+            name (str): The name of the component to check.
+
+        Returns:
+            bool: True if the component exists, False otherwise.
+        """
+        return name in self._components
+
+    def get_action_reference(self, name: str) -> ReferenceType[ToolBarAction]:
+        """
+        Retrieves a component by name.
+
+        Args:
+            name (str): The name of the component to retrieve.
+
+        """
+        if not self.exists(name):
+            raise KeyError(f"Component with name '{name}' does not exist.")
+        return louie.saferef.safe_ref(self._components[name].action)
+
+    def get_action(self, name: str) -> ToolBarAction:
+        """
+        Retrieves a component by name.
+
+        Args:
+            name (str): The name of the component to retrieve.
+
+        Returns:
+            ToolBarAction: The action associated with the given name.
+        """
+        if not self.exists(name):
+            raise KeyError(
+                f"Component with name '{name}' does not exist. The following components are available: {list(self._components.keys())}"
+            )
+        return self._components[name].action
+
+    def set_bundle(self, name: str, bundle: ToolbarBundle):
+        """
+        Sets the bundle for a component.
+
+        Args:
+            name (str): The name of the component.
+            bundle (ToolbarBundle): The bundle to set.
+        """
+        if not self.exists(name):
+            raise KeyError(f"Component with name '{name}' does not exist.")
+        comp = self._components[name]
+        if comp.toolbar_bundle is not None:
+            logger.info(
+                f"Component '{name}' already has a bundle ({comp.toolbar_bundle.name}). Setting it to {bundle.name}."
+            )
+            comp.toolbar_bundle.bundle_actions.pop(name, None)
+        comp.toolbar_bundle = bundle
+
+    def remove_action(self, name: str):
+        """
+        Removes a component from the toolbar.
+
+        Args:
+            name (str): The name of the component to remove.
+        """
+        if not self.exists(name):
+            raise KeyError(f"Action with ID '{name}' does not exist.")
+        action_info = self._components.pop(name)
+        if action_info.toolbar_bundle:
+            action_info.toolbar_bundle.bundle_actions.pop(name, None)
+            self.toolbar.refresh()
+            action_info.toolbar_bundle = None
+        if hasattr(action_info.action, "cleanup"):
+            # Call cleanup if the action has a cleanup method
+            action_info.action.cleanup()
+
+    def cleanup(self):
+        """
+        Cleans up the toolbar components by removing all actions and bundles.
+        """
+        for action_info in self._components.values():
+            if hasattr(action_info.action, "cleanup"):
+                # Call cleanup if the action has a cleanup method
+                action_info.action.cleanup()
+        self._components.clear()
+
+
+class ToolbarBundle:
+    def __init__(self, name: str, components: ToolbarComponents):
+        """
+        Initializes a new bundle component.
+
+        Args:
+            bundle_name (str): Unique identifier for the bundle.
+        """
+        self.name = name
+        self.components = components
+        self.bundle_actions: DefaultDict[str, ReferenceType[ToolBarAction]] = defaultdict()
+        self._connections: dict[str, BundleConnection] = {}
+
+    def add_action(self, name: str):
+        """
+        Adds an action to the bundle.
+
+        Args:
+            name (str): Unique identifier for the action.
+            action (ToolBarAction): The action to add.
+        """
+        if name in self.bundle_actions:
+            raise ValueError(f"Action with name '{name}' already exists in bundle '{self.name}'.")
+        if not self.components.exists(name):
+            raise ValueError(
+                f"Component with name '{name}' does not exist in the toolbar. Please add it first using the `ToolbarComponents.add` method."
+            )
+        self.bundle_actions[name] = self.components.get_action_reference(name)
+        self.components.set_bundle(name, self)
+
+    def remove_action(self, name: str):
+        """
+        Removes an action from the bundle.
+
+        Args:
+            name (str): The name of the action to remove.
+        """
+        if name not in self.bundle_actions:
+            raise KeyError(f"Action with name '{name}' does not exist in bundle '{self.name}'.")
+        del self.bundle_actions[name]
+
+    def add_separator(self):
+        """
+        Adds a separator action to the bundle.
+        """
+        self.add_action("separator")
+
+    def add_connection(self, name: str, connection):
+        """
+        Adds a connection to the bundle.
+
+        Args:
+            name (str): Unique identifier for the connection.
+            connection: The connection to add.
+        """
+        if name in self._connections:
+            raise ValueError(
+                f"Connection with name '{name}' already exists in bundle '{self.name}'."
+            )
+        self._connections[name] = connection
+
+    def remove_connection(self, name: str):
+        """
+        Removes a connection from the bundle.
+
+        Args:
+            name (str): The name of the connection to remove.
+        """
+        if name not in self._connections:
+            raise KeyError(f"Connection with name '{name}' does not exist in bundle '{self.name}'.")
+        self._connections[name].disconnect()
+        del self._connections[name]
+
+    def get_connection(self, name: str):
+        """
+        Retrieves a connection by name.
+
+        Args:
+            name (str): The name of the connection to retrieve.
+
+        Returns:
+            The connection associated with the given name.
+        """
+        if name not in self._connections:
+            raise KeyError(f"Connection with name '{name}' does not exist in bundle '{self.name}'.")
+        return self._connections[name]
+
+    def disconnect(self):
+        """
+        Disconnects all connections in the bundle.
+        """
+        for connection in self._connections.values():
+            connection.disconnect()
+        self._connections.clear()

bec_widgets/utils/toolbars/connections.py

@@ -0,0 +1,23 @@
+from __future__ import annotations
+
+from abc import abstractmethod
+
+from qtpy.QtCore import QObject
+
+
+class BundleConnection(QObject):
+    bundle_name: str
+
+    @abstractmethod
+    def connect(self):
+        """
+        Connects the bundle to the target widget or application.
+        This method should be implemented by subclasses to define how the bundle interacts with the target.
+        """
+
+    @abstractmethod
+    def disconnect(self):
+        """
+        Disconnects the bundle from the target widget or application.
+        This method should be implemented by subclasses to define how to clean up connections.
+        """

bec_widgets/utils/toolbars/performance.py

@@ -0,0 +1,58 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from bec_widgets.utils.toolbars.actions import MaterialIconAction
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
+from bec_widgets.utils.toolbars.connections import BundleConnection
+
+if TYPE_CHECKING:
+    from bec_widgets.utils.toolbars.toolbar import ToolbarComponents
+
+
+def performance_bundle(components: ToolbarComponents) -> ToolbarBundle:
+    """
+    Creates a performance toolbar bundle.
+
+    Args:
+        components (ToolbarComponents): The components to be added to the bundle.
+
+    Returns:
+        ToolbarBundle: The performance toolbar bundle.
+    """
+    components.add_safe(
+        "fps_monitor",
+        MaterialIconAction(
+            icon_name="speed", tooltip="Show FPS Monitor", checkable=True, parent=components.toolbar
+        ),
+    )
+    bundle = ToolbarBundle("performance", components)
+    bundle.add_action("fps_monitor")
+    return bundle
+
+
+class PerformanceConnection(BundleConnection):
+
+    def __init__(self, components: ToolbarComponents, target_widget=None):
+        self.bundle_name = "performance"
+        self.components = components
+        self.target_widget = target_widget
+        if not hasattr(self.target_widget, "enable_fps_monitor"):
+            raise AttributeError("Target widget must implement 'enable_fps_monitor'.")
+        super().__init__()
+        self._connected = False
+
+    def connect(self):
+        self._connected = True
+        # Connect the action to the target widget's method
+        self.components.get_action_reference("fps_monitor")().action.toggled.connect(
+            lambda checked: setattr(self.target_widget, "enable_fps_monitor", checked)
+        )
+
+    def disconnect(self):
+        if not self._connected:
+            return
+        # Disconnect the action from the target widget's method
+        self.components.get_action_reference("fps_monitor")().action.toggled.disconnect(
+            lambda checked: setattr(self.target_widget, "enable_fps_monitor", checked)
+        )

bec_widgets/utils/toolbars/toolbar.py

@@ -0,0 +1,513 @@
+# pylint: disable=no-name-in-module
+from __future__ import annotations
+
+import sys
+from collections import defaultdict
+from typing import DefaultDict, Literal
+
+from bec_lib.logger import bec_logger
+from qtpy.QtCore import QSize, Qt
+from qtpy.QtGui import QAction, QColor
+from qtpy.QtWidgets import QApplication, QLabel, QMainWindow, QMenu, QToolBar, QVBoxLayout, QWidget
+
+from bec_widgets.utils.colors import get_theme_name, set_theme
+from bec_widgets.utils.toolbars.actions import MaterialIconAction, ToolBarAction
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle, ToolbarComponents
+from bec_widgets.utils.toolbars.connections import BundleConnection
+
+logger = bec_logger.logger
+
+# Ensure that icons are shown in menus (especially on macOS)
+QApplication.setAttribute(Qt.AA_DontShowIconsInMenus, False)
+
+
+class ModularToolBar(QToolBar):
+    """Modular toolbar with optional automatic initialization.
+
+    Args:
+        parent (QWidget, optional): The parent widget of the toolbar. Defaults to None.
+        actions (dict, optional): A dictionary of action creators to populate the toolbar. Defaults to None.
+        target_widget (QWidget, optional): The widget that the actions will target. Defaults to None.
+        orientation (Literal["horizontal", "vertical"], optional): The initial orientation of the toolbar. Defaults to "horizontal".
+        background_color (str, optional): The background color of the toolbar. Defaults to "rgba(0, 0, 0, 0)".
+    """
+
+    def __init__(
+        self,
+        parent=None,
+        orientation: Literal["horizontal", "vertical"] = "horizontal",
+        background_color: str = "rgba(0, 0, 0, 0)",
+    ):
+        super().__init__(parent=parent)
+
+        self.background_color = background_color
+        self.set_background_color(self.background_color)
+
+        # Set the initial orientation
+        self.set_orientation(orientation)
+
+        self.components = ToolbarComponents(self)
+
+        # Initialize bundles
+        self.bundles: dict[str, ToolbarBundle] = {}
+        self.shown_bundles: list[str] = []
+
+        #########################
+        # outdated items... remove
+        self.available_widgets: DefaultDict[str, ToolBarAction] = defaultdict()
+        ########################
+
+    def new_bundle(self, name: str) -> ToolbarBundle:
+        """
+        Creates a new bundle component.
+
+        Args:
+            name (str): Unique identifier for the bundle.
+
+        Returns:
+            ToolbarBundle: The new bundle component.
+        """
+        if name in self.bundles:
+            raise ValueError(f"Bundle with name '{name}' already exists.")
+        bundle = ToolbarBundle(name=name, components=self.components)
+        self.bundles[name] = bundle
+        return bundle
+
+    def add_bundle(self, bundle: ToolbarBundle):
+        """
+        Adds a bundle component to the toolbar.
+
+        Args:
+            bundle (ToolbarBundle): The bundle component to add.
+        """
+        if bundle.name in self.bundles:
+            raise ValueError(f"Bundle with name '{bundle.name}' already exists.")
+        self.bundles[bundle.name] = bundle
+        if not bundle.bundle_actions:
+            logger.warning(f"Bundle '{bundle.name}' has no actions.")
+
+    def remove_bundle(self, name: str):
+        """
+        Removes a bundle component by name.
+
+        Args:
+            name (str): The name of the bundle to remove.
+        """
+        if name not in self.bundles:
+            raise KeyError(f"Bundle with name '{name}' does not exist.")
+        del self.bundles[name]
+        if name in self.shown_bundles:
+            self.shown_bundles.remove(name)
+        logger.info(f"Bundle '{name}' removed from the toolbar.")
+
+    def get_bundle(self, name: str) -> ToolbarBundle:
+        """
+        Retrieves a bundle component by name.
+
+        Args:
+            name (str): The name of the bundle to retrieve.
+
+        Returns:
+            ToolbarBundle: The bundle component.
+        """
+        if name not in self.bundles:
+            raise KeyError(
+                f"Bundle with name '{name}' does not exist. Available bundles: {list(self.bundles.keys())}"
+            )
+        return self.bundles[name]
+
+    def show_bundles(self, bundle_names: list[str]):
+        """
+        Sets the bundles to be shown for the toolbar.
+
+        Args:
+            bundle_names (list[str]): A list of bundle names to show. If a bundle is not in this list, its actions will be hidden.
+        """
+        self.clear()
+        for requested_bundle in bundle_names:
+            bundle = self.get_bundle(requested_bundle)
+            for bundle_action in bundle.bundle_actions.values():
+                action = bundle_action()
+                if action is None:
+                    logger.warning(
+                        f"Action for bundle '{requested_bundle}' has been deleted. Skipping."
+                    )
+                    continue
+                action.add_to_toolbar(self, self.parent())
+            separator = self.components.get_action_reference("separator")()
+            if separator is not None:
+                separator.add_to_toolbar(self, self.parent())
+        self.update_separators()  # Ensure separators are updated after showing bundles
+        self.shown_bundles = bundle_names
+
+    def add_action(self, action_name: str, action: ToolBarAction):
+        """
+        Adds a single action to the toolbar. It will create a new bundle
+        with the same name as the action.
+
+        Args:
+            action_name (str): Unique identifier for the action.
+            action (ToolBarAction): The action to add.
+        """
+        self.components.add_safe(action_name, action)
+        bundle = ToolbarBundle(name=action_name, components=self.components)
+        bundle.add_action(action_name)
+        self.add_bundle(bundle)
+
+    def hide_action(self, action_name: str):
+        """
+        Hides a specific action in the toolbar.
+
+        Args:
+            action_name (str): Unique identifier for the action to hide.
+        """
+        action = self.components.get_action(action_name)
+        if hasattr(action, "action") and action.action is not None:
+            action.action.setVisible(False)
+            self.update_separators()
+
+    def show_action(self, action_name: str):
+        """
+        Shows a specific action in the toolbar.
+
+        Args:
+            action_name (str): Unique identifier for the action to show.
+        """
+        action = self.components.get_action(action_name)
+        if hasattr(action, "action") and action.action is not None:
+            action.action.setVisible(True)
+            self.update_separators()
+
+    @property
+    def toolbar_actions(self) -> list[ToolBarAction]:
+        """
+        Returns a list of all actions currently in the toolbar.
+
+        Returns:
+            list[ToolBarAction]: List of actions in the toolbar.
+        """
+        actions = []
+        for bundle in self.shown_bundles:
+            if bundle not in self.bundles:
+                continue
+            for action in self.bundles[bundle].bundle_actions.values():
+                action_instance = action()
+                if action_instance is not None:
+                    actions.append(action_instance)
+        return actions
+
+    def refresh(self):
+        """Refreshes the toolbar by clearing and re-populating it."""
+        self.clear()
+        self.show_bundles(self.shown_bundles)
+
+    def connect_bundle(self, connection_name: str, connector: BundleConnection):
+        """
+        Connects a bundle to a target widget or application.
+
+        Args:
+            bundle_name (str): The name of the bundle to connect.
+            connector (BundleConnection): The connector instance that implements the connection logic.
+        """
+        bundle_name = connector.bundle_name
+        if bundle_name not in self.bundles:
+            raise KeyError(f"Bundle with name '{bundle_name}' does not exist.")
+        connector.connect()
+        self.bundles[bundle_name].add_connection(connection_name, connector)
+
+    def disconnect_bundle(self, bundle_name: str, connection_name: str | None = None):
+        """
+        Disconnects a bundle connection.
+
+        Args:
+            bundle_name (str): The name of the bundle to disconnect.
+            connection_name (str): The name of the connection to disconnect. If None, disconnects all connections for the bundle.
+        """
+        if bundle_name not in self.bundles:
+            raise KeyError(f"Bundle with name '{bundle_name}' does not exist.")
+        bundle = self.bundles[bundle_name]
+        if connection_name is None:
+            # Disconnect all connections in the bundle
+            bundle.disconnect()
+        else:
+            bundle.remove_connection(name=connection_name)
+
+    def set_background_color(self, color: str = "rgba(0, 0, 0, 0)"):
+        """
+        Sets the background color and other appearance settings.
+
+        Args:
+            color (str): The background color of the toolbar.
+        """
+        self.setIconSize(QSize(20, 20))
+        self.setMovable(False)
+        self.setFloatable(False)
+        self.setContentsMargins(0, 0, 0, 0)
+        self.background_color = color
+        self.setStyleSheet(f"QToolBar {{ background-color: {color}; border: none; }}")
+
+    def set_orientation(self, orientation: Literal["horizontal", "vertical"]):
+        """Sets the orientation of the toolbar.
+
+        Args:
+            orientation (Literal["horizontal", "vertical"]): The desired orientation of the toolbar.
+        """
+        if orientation == "horizontal":
+            self.setOrientation(Qt.Horizontal)
+        elif orientation == "vertical":
+            self.setOrientation(Qt.Vertical)
+        else:
+            raise ValueError("Orientation must be 'horizontal' or 'vertical'.")
+
+    def update_material_icon_colors(self, new_color: str | tuple | QColor):
+        """
+        Updates the color of all MaterialIconAction icons.
+
+        Args:
+            new_color (str | tuple | QColor): The new color.
+        """
+        for action in self.available_widgets.values():
+            if isinstance(action, MaterialIconAction):
+                action.color = new_color
+                updated_icon = action.get_icon()
+                action.action.setIcon(updated_icon)
+
+    def contextMenuEvent(self, event):
+        """
+        Overrides the context menu event to show toolbar actions with checkboxes and icons.
+
+        Args:
+            event (QContextMenuEvent): The context menu event.
+        """
+        menu = QMenu(self)
+        theme = get_theme_name()
+        if theme == "dark":
+            menu.setStyleSheet(
+                """
+                QMenu {
+                    background-color: rgba(50, 50, 50, 0.9);
+                    border: 1px solid rgba(255, 255, 255, 0.2);
+                }
+                QMenu::item:selected {
+                    background-color: rgba(0, 0, 255, 0.2);
+                }
+            """
+            )
+        else:
+            # Light theme styling
+            menu.setStyleSheet(
+                """
+                QMenu {
+                    background-color: rgba(255, 255, 255, 0.9);
+                    border: 1px solid rgba(0, 0, 0, 0.2);
+                }
+                QMenu::item:selected {
+                    background-color: rgba(0, 0, 255, 0.2);
+                }
+            """
+            )
+        for ii, bundle in enumerate(self.shown_bundles):
+            self.handle_bundle_context_menu(menu, bundle)
+            if ii < len(self.shown_bundles) - 1:
+                menu.addSeparator()
+        menu.triggered.connect(self.handle_menu_triggered)
+        menu.exec_(event.globalPos())
+
+    def handle_bundle_context_menu(self, menu: QMenu, bundle_id: str):
+        """
+        Adds bundle actions to the context menu.
+
+        Args:
+            menu (QMenu): The context menu.
+            bundle_id (str): The bundle identifier.
+        """
+        bundle = self.bundles.get(bundle_id)
+        if not bundle:
+            return
+        for act_id in bundle.bundle_actions:
+            toolbar_action = self.components.get_action(act_id)
+            if not isinstance(toolbar_action, ToolBarAction) or not hasattr(
+                toolbar_action, "action"
+            ):
+                continue
+            qaction = toolbar_action.action
+            if not isinstance(qaction, QAction):
+                continue
+            self._add_qaction_to_menu(menu, qaction, toolbar_action, act_id)
+
+    def _add_qaction_to_menu(
+        self, menu: QMenu, qaction: QAction, toolbar_action: ToolBarAction, act_id: str
+    ):
+        display_name = qaction.text() or toolbar_action.tooltip or act_id
+        menu_action = QAction(display_name, self)
+        menu_action.setCheckable(True)
+        menu_action.setChecked(qaction.isVisible())
+        menu_action.setData(act_id)  # Store the action_id
+
+        # Set the icon if available
+        if qaction.icon() and not qaction.icon().isNull():
+            menu_action.setIcon(qaction.icon())
+        menu.addAction(menu_action)
+
+    def handle_action_context_menu(self, menu: QMenu, action_id: str):
+        """
+        Adds a single toolbar action to the context menu.
+
+        Args:
+            menu (QMenu): The context menu to which the action is added.
+            action_id (str): Unique identifier for the action.
+        """
+        toolbar_action = self.available_widgets.get(action_id)
+        if not isinstance(toolbar_action, ToolBarAction) or not hasattr(toolbar_action, "action"):
+            return
+        qaction = toolbar_action.action
+        if not isinstance(qaction, QAction):
+            return
+        display_name = qaction.text() or toolbar_action.tooltip or action_id
+        menu_action = QAction(display_name, self)
+        menu_action.setCheckable(True)
+        menu_action.setChecked(qaction.isVisible())
+        menu_action.setIconVisibleInMenu(True)
+        menu_action.setData(action_id)  # Store the action_id
+
+        # Set the icon if available
+        if qaction.icon() and not qaction.icon().isNull():
+            menu_action.setIcon(qaction.icon())
+
+        menu.addAction(menu_action)
+
+    def handle_menu_triggered(self, action):
+        """
+        Handles the triggered signal from the context menu.
+
+        Args:
+            action: Action triggered.
+        """
+        action_id = action.data()
+        if action_id:
+            self.toggle_action_visibility(action_id)
+
+    def toggle_action_visibility(self, action_id: str, visible: bool | None = None):
+        """
+        Toggles the visibility of a specific action.
+
+        Args:
+            action_id (str): Unique identifier.
+            visible (bool): Whether the action should be visible. If None, toggles the current visibility.
+        """
+        if not self.components.exists(action_id):
+            return
+        tool_action = self.components.get_action(action_id)
+        if hasattr(tool_action, "action") and tool_action.action is not None:
+            if visible is None:
+                visible = not tool_action.action.isVisible()
+            tool_action.action.setVisible(visible)
+        self.update_separators()
+
+    def update_separators(self):
+        """
+        Hide separators that are adjacent to another separator or have no non-separator actions between them.
+        """
+        toolbar_actions = self.actions()
+        # First pass: set visibility based on surrounding non-separator actions.
+        for i, action in enumerate(toolbar_actions):
+            if not action.isSeparator():
+                continue
+            prev_visible = None
+            for j in range(i - 1, -1, -1):
+                if toolbar_actions[j].isVisible():
+                    prev_visible = toolbar_actions[j]
+                    break
+            next_visible = None
+            for j in range(i + 1, len(toolbar_actions)):
+                if toolbar_actions[j].isVisible():
+                    next_visible = toolbar_actions[j]
+                    break
+            if (prev_visible is None or prev_visible.isSeparator()) and (
+                next_visible is None or next_visible.isSeparator()
+            ):
+                action.setVisible(False)
+            else:
+                action.setVisible(True)
+        # Second pass: ensure no two visible separators are adjacent.
+        prev = None
+        for action in toolbar_actions:
+            if action.isVisible() and action.isSeparator():
+                if prev and prev.isSeparator():
+                    action.setVisible(False)
+                else:
+                    prev = action
+            else:
+                if action.isVisible():
+                    prev = action
+
+        if not toolbar_actions:
+            return
+
+        # Make sure the first visible action is not a separator
+        for i, action in enumerate(toolbar_actions):
+            if action.isVisible():
+                if action.isSeparator():
+                    action.setVisible(False)
+                break
+
+        # Make sure the last visible action is not a separator
+        for i, action in enumerate(reversed(toolbar_actions)):
+            if action.isVisible():
+                if action.isSeparator():
+                    action.setVisible(False)
+                break
+
+    def cleanup(self):
+        """
+        Cleans up the toolbar by removing all actions and bundles.
+        """
+        # First, disconnect all bundles
+        for bundle_name in list(self.bundles.keys()):
+            self.disconnect_bundle(bundle_name)
+
+        # Clear all components
+        self.components.cleanup()
+        self.bundles.clear()
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from bec_widgets.utils.toolbars.performance import PerformanceConnection, performance_bundle
+    from bec_widgets.widgets.plots.toolbar_components.plot_export import plot_export_bundle
+
+    class MainWindow(QMainWindow):  # pragma: no cover
+        def __init__(self):
+            super().__init__()
+            self.setWindowTitle("Toolbar / ToolbarBundle Demo")
+            self.central_widget = QWidget()
+            self.setCentralWidget(self.central_widget)
+            self.test_label = QLabel(text="This is a test label.")
+            self.central_widget.layout = QVBoxLayout(self.central_widget)
+            self.central_widget.layout.addWidget(self.test_label)
+
+            self.toolbar = ModularToolBar(parent=self)
+            self.addToolBar(self.toolbar)
+            self.toolbar.add_bundle(performance_bundle(self.toolbar.components))
+            self.toolbar.add_bundle(plot_export_bundle(self.toolbar.components))
+            self.toolbar.connect_bundle(
+                "base", PerformanceConnection(self.toolbar.components, self)
+            )
+            self.toolbar.show_bundles(["performance", "plot_export"])
+            self.toolbar.get_bundle("performance").add_action("save")
+            self.toolbar.refresh()
+
+        def enable_fps_monitor(self, enabled: bool):
+            """
+            Example method to enable or disable FPS monitoring.
+            This method should be implemented in the target widget.
+            """
+            if enabled:
+                self.test_label.setText("FPS Monitor Enabled")
+            else:
+                self.test_label.setText("FPS Monitor Disabled")
+
+    app = QApplication(sys.argv)
+    set_theme("light")
+    main_window = MainWindow()
+    main_window.show()
+    sys.exit(app.exec_())

bec_widgets/widgets/containers/dock/dock_area.py

@@ -15,18 +15,20 @@ from bec_widgets.utils import ConnectionConfig, WidgetContainerUtils
 from bec_widgets.utils.bec_widget import BECWidget
 from bec_widgets.utils.error_popups import SafeSlot
 from bec_widgets.utils.name_utils import pascal_to_snake
-from bec_widgets.utils.toolbar import (
+from bec_widgets.utils.toolbars.actions import (
     ExpandableMenuAction,
     MaterialIconAction,
-    ModularToolBar,
-    SeparatorAction,
+    WidgetAction,
 )
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
+from bec_widgets.utils.toolbars.toolbar import ModularToolBar
 from bec_widgets.utils.widget_io import WidgetHierarchy
 from bec_widgets.widgets.containers.dock.dock import BECDock, DockConfig
 from bec_widgets.widgets.containers.main_window.main_window import BECMainWindow
 from bec_widgets.widgets.control.device_control.positioner_box import PositionerBox
 from bec_widgets.widgets.control.scan_control.scan_control import ScanControl
 from bec_widgets.widgets.editors.vscode.vscode import VSCodeEditor
+from bec_widgets.widgets.plots.heatmap.heatmap import Heatmap
 from bec_widgets.widgets.plots.image.image import Image
 from bec_widgets.widgets.plots.motor_map.motor_map import MotorMap
 from bec_widgets.widgets.plots.multi_waveform.multi_waveform import MultiWaveform
@@ -104,145 +106,233 @@ class BECDockArea(BECWidget, QWidget):
 
         self.dark_mode_button = DarkModeButton(parent=self, toolbar=True)
         self.dock_area = DockArea(parent=self)
-        self.toolbar = ModularToolBar(
-            parent=self,
-            actions={
-                "menu_plots": ExpandableMenuAction(
-                    label="Add Plot ",
-                    actions={
-                        "waveform": MaterialIconAction(
-                            icon_name=Waveform.ICON_NAME, tooltip="Add Waveform", filled=True
-                        ),
-                        "scatter_waveform": MaterialIconAction(
-                            icon_name=ScatterWaveform.ICON_NAME,
-                            tooltip="Add Scatter Waveform",
-                            filled=True,
-                        ),
-                        "multi_waveform": MaterialIconAction(
-                            icon_name=MultiWaveform.ICON_NAME,
-                            tooltip="Add Multi Waveform",
-                            filled=True,
-                        ),
-                        "image": MaterialIconAction(
-                            icon_name=Image.ICON_NAME, tooltip="Add Image", filled=True
-                        ),
-                        "motor_map": MaterialIconAction(
-                            icon_name=MotorMap.ICON_NAME, tooltip="Add Motor Map", filled=True
-                        ),
-                    },
-                ),
-                "separator_0": SeparatorAction(),
-                "menu_devices": ExpandableMenuAction(
-                    label="Add Device Control ",
-                    actions={
-                        "scan_control": MaterialIconAction(
-                            icon_name=ScanControl.ICON_NAME, tooltip="Add Scan Control", filled=True
-                        ),
-                        "positioner_box": MaterialIconAction(
-                            icon_name=PositionerBox.ICON_NAME, tooltip="Add Device Box", filled=True
-                        ),
-                    },
-                ),
-                "separator_1": SeparatorAction(),
-                "menu_utils": ExpandableMenuAction(
-                    label="Add Utils ",
-                    actions={
-                        "queue": MaterialIconAction(
-                            icon_name=BECQueue.ICON_NAME, tooltip="Add Scan Queue", filled=True
-                        ),
-                        "vs_code": MaterialIconAction(
-                            icon_name=VSCodeEditor.ICON_NAME, tooltip="Add VS Code", filled=True
-                        ),
-                        "status": MaterialIconAction(
-                            icon_name=BECStatusBox.ICON_NAME,
-                            tooltip="Add BEC Status Box",
-                            filled=True,
-                        ),
-                        "progress_bar": MaterialIconAction(
-                            icon_name=RingProgressBar.ICON_NAME,
-                            tooltip="Add Circular ProgressBar",
-                            filled=True,
-                        ),
-                        # FIXME temporarily disabled  -> issue #644
-                        "log_panel": MaterialIconAction(
-                            icon_name=LogPanel.ICON_NAME,
-                            tooltip="Add LogPanel - Disabled",
-                            filled=True,
-                        ),
-                    },
-                ),
-                "separator_2": SeparatorAction(),
-                "attach_all": MaterialIconAction(
-                    icon_name="zoom_in_map", tooltip="Attach all floating docks"
-                ),
-                "save_state": MaterialIconAction(icon_name="bookmark", tooltip="Save Dock State"),
-                "restore_state": MaterialIconAction(
-                    icon_name="frame_reload", tooltip="Restore Dock State"
-                ),
-            },
-            target_widget=self,
-        )
+        self.toolbar = ModularToolBar(parent=self)
+        self._setup_toolbar()
 
         self.layout.addWidget(self.toolbar)
         self.layout.addWidget(self.dock_area)
-        self.spacer = QWidget(parent=self)
-        self.spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
-        self.toolbar.addWidget(self.spacer)
-        self.toolbar.addWidget(self.dark_mode_button)
+
         self._hook_toolbar()
+        self.toolbar.show_bundles(
+            ["menu_plots", "menu_devices", "menu_utils", "dock_actions", "dark_mode"]
+        )
 
     def minimumSizeHint(self):
         return QSize(800, 600)
 
+    def _setup_toolbar(self):
+
+        # Add plot menu
+        self.toolbar.components.add_safe(
+            "menu_plots",
+            ExpandableMenuAction(
+                label="Add Plot ",
+                actions={
+                    "waveform": MaterialIconAction(
+                        icon_name=Waveform.ICON_NAME,
+                        tooltip="Add Waveform",
+                        filled=True,
+                        parent=self,
+                    ),
+                    "scatter_waveform": MaterialIconAction(
+                        icon_name=ScatterWaveform.ICON_NAME,
+                        tooltip="Add Scatter Waveform",
+                        filled=True,
+                        parent=self,
+                    ),
+                    "multi_waveform": MaterialIconAction(
+                        icon_name=MultiWaveform.ICON_NAME,
+                        tooltip="Add Multi Waveform",
+                        filled=True,
+                        parent=self,
+                    ),
+                    "image": MaterialIconAction(
+                        icon_name=Image.ICON_NAME, tooltip="Add Image", filled=True, parent=self
+                    ),
+                    "motor_map": MaterialIconAction(
+                        icon_name=MotorMap.ICON_NAME,
+                        tooltip="Add Motor Map",
+                        filled=True,
+                        parent=self,
+                    ),
+                    "heatmap": MaterialIconAction(
+                        icon_name=Heatmap.ICON_NAME, tooltip="Add Heatmap", filled=True, parent=self
+                    ),
+                },
+            ),
+        )
+
+        bundle = ToolbarBundle("menu_plots", self.toolbar.components)
+        bundle.add_action("menu_plots")
+        self.toolbar.add_bundle(bundle)
+
+        # Add control menu
+        self.toolbar.components.add_safe(
+            "menu_devices",
+            ExpandableMenuAction(
+                label="Add Device Control ",
+                actions={
+                    "scan_control": MaterialIconAction(
+                        icon_name=ScanControl.ICON_NAME,
+                        tooltip="Add Scan Control",
+                        filled=True,
+                        parent=self,
+                    ),
+                    "positioner_box": MaterialIconAction(
+                        icon_name=PositionerBox.ICON_NAME,
+                        tooltip="Add Device Box",
+                        filled=True,
+                        parent=self,
+                    ),
+                },
+            ),
+        )
+        bundle = ToolbarBundle("menu_devices", self.toolbar.components)
+        bundle.add_action("menu_devices")
+        self.toolbar.add_bundle(bundle)
+
+        # Add utils menu
+        self.toolbar.components.add_safe(
+            "menu_utils",
+            ExpandableMenuAction(
+                label="Add Utils ",
+                actions={
+                    "queue": MaterialIconAction(
+                        icon_name=BECQueue.ICON_NAME,
+                        tooltip="Add Scan Queue",
+                        filled=True,
+                        parent=self,
+                    ),
+                    "vs_code": MaterialIconAction(
+                        icon_name=VSCodeEditor.ICON_NAME,
+                        tooltip="Add VS Code",
+                        filled=True,
+                        parent=self,
+                    ),
+                    "status": MaterialIconAction(
+                        icon_name=BECStatusBox.ICON_NAME,
+                        tooltip="Add BEC Status Box",
+                        filled=True,
+                        parent=self,
+                    ),
+                    "progress_bar": MaterialIconAction(
+                        icon_name=RingProgressBar.ICON_NAME,
+                        tooltip="Add Circular ProgressBar",
+                        filled=True,
+                        parent=self,
+                    ),
+                    # FIXME temporarily disabled -> issue #644
+                    "log_panel": MaterialIconAction(
+                        icon_name=LogPanel.ICON_NAME,
+                        tooltip="Add LogPanel - Disabled",
+                        filled=True,
+                        parent=self,
+                    ),
+                    "sbb_monitor": MaterialIconAction(
+                        icon_name="train", tooltip="Add SBB Monitor", filled=True, parent=self
+                    ),
+                },
+            ),
+        )
+        bundle = ToolbarBundle("menu_utils", self.toolbar.components)
+        bundle.add_action("menu_utils")
+        self.toolbar.add_bundle(bundle)
+
+        ########## Dock Actions ##########
+        spacer = QWidget(parent=self)
+        spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+        self.toolbar.components.add_safe("spacer", WidgetAction(widget=spacer, adjust_size=False))
+
+        self.toolbar.components.add_safe(
+            "dark_mode", WidgetAction(widget=self.dark_mode_button, adjust_size=False)
+        )
+
+        bundle = ToolbarBundle("dark_mode", self.toolbar.components)
+        bundle.add_action("spacer")
+        bundle.add_action("dark_mode")
+        self.toolbar.add_bundle(bundle)
+
+        self.toolbar.components.add_safe(
+            "attach_all",
+            MaterialIconAction(
+                icon_name="zoom_in_map", tooltip="Attach all floating docks", parent=self
+            ),
+        )
+
+        self.toolbar.components.add_safe(
+            "save_state",
+            MaterialIconAction(icon_name="bookmark", tooltip="Save Dock State", parent=self),
+        )
+        self.toolbar.components.add_safe(
+            "restore_state",
+            MaterialIconAction(icon_name="frame_reload", tooltip="Restore Dock State", parent=self),
+        )
+
+        bundle = ToolbarBundle("dock_actions", self.toolbar.components)
+        bundle.add_action("attach_all")
+        bundle.add_action("save_state")
+        bundle.add_action("restore_state")
+        self.toolbar.add_bundle(bundle)
+
     def _hook_toolbar(self):
-        # Menu Plot
-        self.toolbar.widgets["menu_plots"].widgets["waveform"].triggered.connect(
+        menu_plots = self.toolbar.components.get_action("menu_plots")
+        menu_devices = self.toolbar.components.get_action("menu_devices")
+        menu_utils = self.toolbar.components.get_action("menu_utils")
+
+        menu_plots.actions["waveform"].action.triggered.connect(
             lambda: self._create_widget_from_toolbar(widget_name="Waveform")
         )
-        self.toolbar.widgets["menu_plots"].widgets["scatter_waveform"].triggered.connect(
+
+        menu_plots.actions["scatter_waveform"].action.triggered.connect(
             lambda: self._create_widget_from_toolbar(widget_name="ScatterWaveform")
         )
-        self.toolbar.widgets["menu_plots"].widgets["multi_waveform"].triggered.connect(
+        menu_plots.actions["multi_waveform"].action.triggered.connect(
             lambda: self._create_widget_from_toolbar(widget_name="MultiWaveform")
         )
-        self.toolbar.widgets["menu_plots"].widgets["image"].triggered.connect(
+        menu_plots.actions["image"].action.triggered.connect(
             lambda: self._create_widget_from_toolbar(widget_name="Image")
         )
-        self.toolbar.widgets["menu_plots"].widgets["motor_map"].triggered.connect(
+        menu_plots.actions["motor_map"].action.triggered.connect(
             lambda: self._create_widget_from_toolbar(widget_name="MotorMap")
         )
+        menu_plots.actions["heatmap"].action.triggered.connect(
+            lambda: self._create_widget_from_toolbar(widget_name="Heatmap")
+        )
 
         # Menu Devices
-        self.toolbar.widgets["menu_devices"].widgets["scan_control"].triggered.connect(
+        menu_devices.actions["scan_control"].action.triggered.connect(
             lambda: self._create_widget_from_toolbar(widget_name="ScanControl")
         )
-        self.toolbar.widgets["menu_devices"].widgets["positioner_box"].triggered.connect(
+        menu_devices.actions["positioner_box"].action.triggered.connect(
             lambda: self._create_widget_from_toolbar(widget_name="PositionerBox")
         )
 
         # Menu Utils
-        self.toolbar.widgets["menu_utils"].widgets["queue"].triggered.connect(
+        menu_utils.actions["queue"].action.triggered.connect(
             lambda: self._create_widget_from_toolbar(widget_name="BECQueue")
         )
-        self.toolbar.widgets["menu_utils"].widgets["status"].triggered.connect(
+        menu_utils.actions["status"].action.triggered.connect(
             lambda: self._create_widget_from_toolbar(widget_name="BECStatusBox")
         )
-        self.toolbar.widgets["menu_utils"].widgets["vs_code"].triggered.connect(
+        menu_utils.actions["vs_code"].action.triggered.connect(
             lambda: self._create_widget_from_toolbar(widget_name="VSCodeEditor")
         )
-        self.toolbar.widgets["menu_utils"].widgets["progress_bar"].triggered.connect(
+        menu_utils.actions["progress_bar"].action.triggered.connect(
             lambda: self._create_widget_from_toolbar(widget_name="RingProgressBar")
         )
         # FIXME temporarily disabled -> issue #644
-        self.toolbar.widgets["menu_utils"].widgets["log_panel"].setEnabled(False)
-        # self.toolbar.widgets["menu_utils"].widgets["log_panel"].triggered.connect(
-        #     lambda: self._create_widget_from_toolbar(widget_name="LogPanel")
-        # )
+        menu_utils.actions["log_panel"].action.setEnabled(False)
+
+        menu_utils.actions["sbb_monitor"].action.triggered.connect(
+            lambda: self._create_widget_from_toolbar(widget_name="SBBMonitor")
+        )
 
         # Icons
-        self.toolbar.widgets["attach_all"].action.triggered.connect(self.attach_all)
-        self.toolbar.widgets["save_state"].action.triggered.connect(self.save_state)
-        self.toolbar.widgets["restore_state"].action.triggered.connect(self.restore_state)
+        self.toolbar.components.get_action("attach_all").action.triggered.connect(self.attach_all)
+        self.toolbar.components.get_action("save_state").action.triggered.connect(self.save_state)
+        self.toolbar.components.get_action("restore_state").action.triggered.connect(
+            self.restore_state
+        )
 
     @SafeSlot()
     def _create_widget_from_toolbar(self, widget_name: str) -> None:

bec_widgets/widgets/control/device_input/base_classes/device_signal_input_base.py

@@ -55,7 +55,7 @@ class DeviceSignalInputBase(BECWidget):
         self._hinted_signals = []
         self._normal_signals = []
         self._config_signals = []
-        self.bec_dispatcher.client.callbacks.register(
+        self._device_update_register = self.bec_dispatcher.client.callbacks.register(
             EventType.DEVICE_UPDATE, self.update_signals_from_filters
         )
 
@@ -289,3 +289,10 @@ class DeviceSignalInputBase(BECWidget):
         if config is None:
             return DeviceSignalInputBaseConfig(widget_class=self.__class__.__name__)
         return DeviceSignalInputBaseConfig.model_validate(config)
+
+    def cleanup(self):
+        """
+        Cleanup the widget.
+        """
+        self.bec_dispatcher.client.callbacks.remove(self._device_update_register)
+        super().cleanup()

bec_widgets/widgets/editors/sbb_monitor/register_sbb_monitor.py

@@ -0,0 +1,15 @@
+def main():  # pragma: no cover
+    from qtpy import PYSIDE6
+
+    if not PYSIDE6:
+        print("PYSIDE6 is not available in the environment. Cannot patch designer.")
+        return
+    from PySide6.QtDesigner import QPyDesignerCustomWidgetCollection
+
+    from bec_widgets.widgets.editors.sbb_monitor.sbb_monitor_plugin import SBBMonitorPlugin
+
+    QPyDesignerCustomWidgetCollection.addCustomWidget(SBBMonitorPlugin())
+
+
+if __name__ == "__main__":  # pragma: no cover
+    main()

bec_widgets/widgets/editors/sbb_monitor/sbb_monitor.py

@@ -0,0 +1,15 @@
+from bec_widgets.widgets.editors.website.website import WebsiteWidget
+
+
+class SBBMonitor(WebsiteWidget):
+    """
+    A widget to display the SBB monitor website.
+    """
+
+    PLUGIN = True
+    ICON_NAME = "train"
+    USER_ACCESS = []
+
+    def __init__(self, parent=None, **kwargs):
+        url = "https://free.oevplus.ch/monitor/?viewType=splitView&layout=1&showClock=true&showPerron=true&stationGroup1Title=Villigen%2C%20PSI%20West&stationGroup2Title=Siggenthal-Würenlingen&station_1_id=85%3A3592&station_1_name=Villigen%2C%20PSI%20West&station_1_quantity=5&station_1_group=1&station_2_id=85%3A3502&station_2_name=Siggenthal-Würenlingen&station_2_quantity=5&station_2_group=2"
+        super().__init__(parent=parent, url=url, **kwargs)

bec_widgets/widgets/editors/sbb_monitor/sbb_monitor.pyproject

@@ -0,0 +1 @@
+{'files': ['sbb_monitor.py']}

bec_widgets/widgets/editors/sbb_monitor/sbb_monitor_plugin.py

@@ -0,0 +1,54 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+from qtpy.QtDesigner import QDesignerCustomWidgetInterface
+
+from bec_widgets.utils.bec_designer import designer_material_icon
+from bec_widgets.widgets.editors.sbb_monitor.sbb_monitor import SBBMonitor
+
+DOM_XML = """
+<ui language='c++'>
+    <widget class='SBBMonitor' name='sbb_monitor'>
+    </widget>
+</ui>
+"""
+
+
+class SBBMonitorPlugin(QDesignerCustomWidgetInterface):  # pragma: no cover
+    def __init__(self):
+        super().__init__()
+        self._form_editor = None
+
+    def createWidget(self, parent):
+        t = SBBMonitor(parent)
+        return t
+
+    def domXml(self):
+        return DOM_XML
+
+    def group(self):
+        return ""
+
+    def icon(self):
+        return designer_material_icon(SBBMonitor.ICON_NAME)
+
+    def includeFile(self):
+        return "sbb_monitor"
+
+    def initialize(self, form_editor):
+        self._form_editor = form_editor
+
+    def isContainer(self):
+        return False
+
+    def isInitialized(self):
+        return self._form_editor is not None
+
+    def name(self):
+        return "SBBMonitor"
+
+    def toolTip(self):
+        return ""
+
+    def whatsThis(self):
+        return self.toolTip()

bec_widgets/widgets/plots/heatmap/heatmap.py

@@ -0,0 +1,773 @@
+from __future__ import annotations
+
+import functools
+import json
+from typing import Literal
+
+import numpy as np
+import pyqtgraph as pg
+from bec_lib import bec_logger, messages
+from bec_lib.endpoints import MessageEndpoints
+from pydantic import BaseModel, Field, field_validator
+from qtpy.QtCore import QTimer, Signal
+from qtpy.QtGui import QTransform
+from scipy.interpolate import LinearNDInterpolator
+from scipy.spatial import cKDTree
+from toolz import partition
+
+from bec_widgets.utils import Colors
+from bec_widgets.utils.bec_connector import ConnectionConfig
+from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
+from bec_widgets.utils.settings_dialog import SettingsDialog
+from bec_widgets.utils.toolbars.actions import MaterialIconAction
+from bec_widgets.widgets.plots.heatmap.settings.heatmap_setting import HeatmapSettings
+from bec_widgets.widgets.plots.image.image_base import ImageBase
+from bec_widgets.widgets.plots.image.image_item import ImageItem
+
+logger = bec_logger.logger
+
+
+class HeatmapDeviceSignal(BaseModel):
+    """The configuration of a signal in the scatter waveform widget."""
+
+    name: str
+    entry: str
+
+    model_config: dict = {"validate_assignment": True}
+
+
+class HeatmapConfig(ConnectionConfig):
+    parent_id: str | None = Field(None, description="The parent plot of the curve.")
+    color_map: str | None = Field(
+        "plasma", description="The color palette of the heatmap widget.", validate_default=True
+    )
+    color_bar: Literal["full", "simple"] | None = Field(
+        None, description="The type of the color bar."
+    )
+    lock_aspect_ratio: bool = Field(
+        False, description="Whether to lock the aspect ratio of the image."
+    )
+    x_device: HeatmapDeviceSignal | None = Field(
+        None, description="The x device signal of the heatmap."
+    )
+    y_device: HeatmapDeviceSignal | None = Field(
+        None, description="The y device signal of the heatmap."
+    )
+    z_device: HeatmapDeviceSignal | None = Field(
+        None, description="The z device signal of the heatmap."
+    )
+
+    model_config: dict = {"validate_assignment": True}
+    _validate_color_palette = field_validator("color_map")(Colors.validate_color_map)
+
+
+class Heatmap(ImageBase):
+    """
+    Heatmap widget for visualizing 2d grid data with color mapping for the z-axis.
+    """
+
+    USER_ACCESS = [
+        # General PlotBase Settings
+        "enable_toolbar",
+        "enable_toolbar.setter",
+        "enable_side_panel",
+        "enable_side_panel.setter",
+        "enable_fps_monitor",
+        "enable_fps_monitor.setter",
+        "set",
+        "title",
+        "title.setter",
+        "x_label",
+        "x_label.setter",
+        "y_label",
+        "y_label.setter",
+        "x_limits",
+        "x_limits.setter",
+        "y_limits",
+        "y_limits.setter",
+        "x_grid",
+        "x_grid.setter",
+        "y_grid",
+        "y_grid.setter",
+        "inner_axes",
+        "inner_axes.setter",
+        "outer_axes",
+        "outer_axes.setter",
+        "auto_range_x",
+        "auto_range_x.setter",
+        "auto_range_y",
+        "auto_range_y.setter",
+        "minimal_crosshair_precision",
+        "minimal_crosshair_precision.setter",
+        # ImageView Specific Settings
+        "color_map",
+        "color_map.setter",
+        "v_range",
+        "v_range.setter",
+        "v_min",
+        "v_min.setter",
+        "v_max",
+        "v_max.setter",
+        "lock_aspect_ratio",
+        "lock_aspect_ratio.setter",
+        "autorange",
+        "autorange.setter",
+        "autorange_mode",
+        "autorange_mode.setter",
+        "enable_colorbar",
+        "enable_simple_colorbar",
+        "enable_simple_colorbar.setter",
+        "enable_full_colorbar",
+        "enable_full_colorbar.setter",
+        "fft",
+        "fft.setter",
+        "log",
+        "log.setter",
+        "main_image",
+        "add_roi",
+        "remove_roi",
+        "rois",
+        "plot",
+    ]
+
+    PLUGIN = True
+    RPC = True
+    ICON_NAME = "dataset"
+
+    new_scan = Signal()
+    new_scan_id = Signal(str)
+    sync_signal_update = Signal()
+    heatmap_property_changed = Signal()
+
+    def __init__(self, parent=None, config: HeatmapConfig | None = None, **kwargs):
+        if config is None:
+            config = HeatmapConfig(widget_class=self.__class__.__name__)
+        super().__init__(parent=parent, config=config, **kwargs)
+        self._image_config = config
+        self.scan_id = None
+        self.old_scan_id = None
+        self.scan_item = None
+        self.status_message = None
+        self._grid_index = None
+        self.heatmap_dialog = None
+        self.reload = False
+        self.bec_dispatcher.connect_slot(self.on_scan_status, MessageEndpoints.scan_status())
+        self.bec_dispatcher.connect_slot(self.on_scan_progress, MessageEndpoints.scan_progress())
+
+        self.proxy_update_sync = pg.SignalProxy(
+            self.sync_signal_update, rateLimit=5, slot=self.update_plot
+        )
+        self._init_toolbar_heatmap()
+        self.toolbar.show_bundles(
+            [
+                "heatmap_settings",
+                "plot_export",
+                "image_crosshair",
+                "mouse_interaction",
+                "image_autorange",
+                "image_colorbar",
+                "image_processing",
+                "axis_popup",
+            ]
+        )
+
+    @property
+    def main_image(self) -> ImageItem:
+        """Access the main image item."""
+        return self.layer_manager["main"].image
+
+    ################################################################################
+    # Widget Specific GUI interactions
+    ################################################################################
+
+    @SafeSlot(popup_error=True)
+    def plot(
+        self,
+        x_name: str,
+        y_name: str,
+        z_name: str,
+        x_entry: None | str = None,
+        y_entry: None | str = None,
+        z_entry: None | str = None,
+        color_map: str | None = "plasma",
+        label: str | None = None,
+        validate_bec: bool = True,
+        reload: bool = False,
+    ):
+        """
+        Plot the heatmap with the given x, y, and z data.
+        """
+        if validate_bec:
+            x_entry = self.entry_validator.validate_signal(x_name, x_entry)
+            y_entry = self.entry_validator.validate_signal(y_name, y_entry)
+            z_entry = self.entry_validator.validate_signal(z_name, z_entry)
+
+        if x_entry is None or y_entry is None or z_entry is None:
+            raise ValueError("x, y, and z entries must be provided.")
+        if x_name is None or y_name is None or z_name is None:
+            raise ValueError("x, y, and z names must be provided.")
+
+        self._image_config = HeatmapConfig(
+            parent_id=self.gui_id,
+            x_device=HeatmapDeviceSignal(name=x_name, entry=x_entry),
+            y_device=HeatmapDeviceSignal(name=y_name, entry=y_entry),
+            z_device=HeatmapDeviceSignal(name=z_name, entry=z_entry),
+            color_map=color_map,
+        )
+        self.color_map = color_map
+        self.reload = reload
+        self.update_labels()
+
+        self._fetch_running_scan()
+        self.sync_signal_update.emit()
+
+    def _fetch_running_scan(self):
+        scan = self.client.queue.scan_storage.current_scan
+        if scan is not None:
+            self.scan_item = scan
+            self.scan_id = scan.scan_id
+        elif self.client.history and len(self.client.history) > 0:
+            self.scan_item = self.client.history[-1]
+            self.scan_id = self.client.history._scan_ids[-1]
+            self.old_scan_id = None
+            self.update_plot()
+
+    def update_labels(self):
+        """
+        Update the labels of the x, y, and z axes.
+        """
+        if self._image_config is None:
+            return
+        x_name = self._image_config.x_device.name
+        y_name = self._image_config.y_device.name
+        z_name = self._image_config.z_device.name
+
+        if x_name is not None:
+            self.x_label = x_name  # type: ignore
+            x_dev = self.dev.get(x_name)
+            if x_dev and hasattr(x_dev, "egu"):
+                self.x_label_units = x_dev.egu()
+        if y_name is not None:
+            self.y_label = y_name  # type: ignore
+            y_dev = self.dev.get(y_name)
+            if y_dev and hasattr(y_dev, "egu"):
+                self.y_label_units = y_dev.egu()
+        if z_name is not None:
+            self.title = z_name
+
+    def _init_toolbar_heatmap(self):
+        """
+        Initialize the toolbar for the heatmap widget, adding actions for heatmap settings.
+        """
+        self.toolbar.add_action(
+            "heatmap_settings",
+            MaterialIconAction(
+                icon_name="scatter_plot",
+                tooltip="Show Heatmap Settings",
+                checkable=True,
+                parent=self,
+            ),
+        )
+
+        self.toolbar.components.get_action("heatmap_settings").action.triggered.connect(
+            self.show_heatmap_settings
+        )
+
+        # disable all processing actions except for the fft and log
+        bundle = self.toolbar.get_bundle("image_processing")
+        for name, action in bundle.bundle_actions.items():
+            if name not in ["image_processing_fft", "image_processing_log"]:
+                action().action.setVisible(False)
+
+    def show_heatmap_settings(self):
+        """
+        Show the heatmap settings dialog.
+        """
+        heatmap_settings_action = self.toolbar.components.get_action("heatmap_settings").action
+        if self.heatmap_dialog is None or not self.heatmap_dialog.isVisible():
+            heatmap_settings = HeatmapSettings(parent=self, target_widget=self, popup=True)
+            self.heatmap_dialog = SettingsDialog(
+                self, settings_widget=heatmap_settings, window_title="Heatmap Settings", modal=False
+            )
+            self.heatmap_dialog.resize(620, 200)
+            # When the dialog is closed, update the toolbar icon and clear the reference
+            self.heatmap_dialog.finished.connect(self._heatmap_dialog_closed)
+            self.heatmap_dialog.show()
+            heatmap_settings_action.setChecked(True)
+        else:
+            # If already open, bring it to the front
+            self.heatmap_dialog.raise_()
+            self.heatmap_dialog.activateWindow()
+            heatmap_settings_action.setChecked(True)  # keep it toggled
+
+    def _heatmap_dialog_closed(self):
+        """
+        Slot for when the heatmap settings dialog is closed.
+        """
+        self.heatmap_dialog = None
+        self.toolbar.components.get_action("heatmap_settings").action.setChecked(False)
+
+    @SafeSlot(dict, dict)
+    def on_scan_status(self, msg: dict, meta: dict):
+        """
+        Initial scan status message handler, which is triggered at the begging and end of scan.
+
+        Args:
+            msg(dict): The message content.
+            meta(dict): The message metadata.
+        """
+        current_scan_id = msg.get("scan_id", None)
+        if current_scan_id is None:
+            return
+        if current_scan_id != self.scan_id:
+            self.reset()
+            self.new_scan.emit()
+            self.new_scan_id.emit(current_scan_id)
+            self.old_scan_id = self.scan_id
+            self.scan_id = current_scan_id
+            self.scan_item = self.queue.scan_storage.find_scan_by_ID(self.scan_id)  # type: ignore
+
+            # First trigger to update the scan curves
+            self.sync_signal_update.emit()
+
+    @SafeSlot(dict, dict)
+    def on_scan_progress(self, msg: dict, meta: dict):
+        self.sync_signal_update.emit()
+        status = msg.get("done")
+        if status:
+            QTimer.singleShot(100, self.update_plot)
+            QTimer.singleShot(300, self.update_plot)
+
+    @SafeSlot(verify_sender=True)
+    def update_plot(self, _=None) -> None:
+        """
+        Update the plot with the current data.
+        """
+        if self.scan_item is None:
+            logger.info("No scan executed so far; skipping update.")
+            return
+        data, access_key = self._fetch_scan_data_and_access()
+        if data == "none":
+            logger.info("No scan executed so far; skipping update.")
+            return
+
+        if self._image_config is None:
+            return
+        try:
+            x_name = self._image_config.x_device.name
+            x_entry = self._image_config.x_device.entry
+            y_name = self._image_config.y_device.name
+            y_entry = self._image_config.y_device.entry
+            z_name = self._image_config.z_device.name
+            z_entry = self._image_config.z_device.entry
+        except AttributeError:
+            return
+
+        if access_key == "val":
+            x_data = data.get(x_name, {}).get(x_entry, {}).get(access_key, None)
+            y_data = data.get(y_name, {}).get(y_entry, {}).get(access_key, None)
+            z_data = data.get(z_name, {}).get(z_entry, {}).get(access_key, None)
+        else:
+            x_data = data.get(x_name, {}).get(x_entry, {}).read().get("value", None)
+            y_data = data.get(y_name, {}).get(y_entry, {}).read().get("value", None)
+            z_data = data.get(z_name, {}).get(z_entry, {}).read().get("value", None)
+
+            if not isinstance(x_data, list):
+                x_data = x_data.tolist() if isinstance(x_data, np.ndarray) else None
+            if not isinstance(y_data, list):
+                y_data = y_data.tolist() if isinstance(y_data, np.ndarray) else None
+            if not isinstance(z_data, list):
+                z_data = z_data.tolist() if isinstance(z_data, np.ndarray) else None
+
+        if x_data is None or y_data is None or z_data is None:
+            logger.warning("x, y, or z data is None; skipping update.")
+            return
+        if len(x_data) != len(y_data) or len(x_data) != len(z_data):
+            logger.warning(
+                "x, y, and z data lengths do not match; skipping update. "
+                f"Lengths: x={len(x_data)}, y={len(y_data)}, z={len(z_data)}"
+            )
+            return
+
+        if hasattr(self.scan_item, "status_message"):
+            scan_msg = self.scan_item.status_message
+        elif hasattr(self.scan_item, "metadata"):
+            metadata = self.scan_item.metadata["bec"]
+            status = metadata["exit_status"]
+            scan_id = metadata["scan_id"]
+            scan_name = metadata["scan_name"]
+            scan_type = metadata["scan_type"]
+            request_inputs = metadata["request_inputs"]
+            if "arg_bundle" in request_inputs and isinstance(request_inputs["arg_bundle"], str):
+                # Convert the arg_bundle from a JSON string to a dictionary
+                request_inputs["arg_bundle"] = json.loads(request_inputs["arg_bundle"])
+            positions = metadata.get("positions", [])
+            positions = positions.tolist() if isinstance(positions, np.ndarray) else positions
+
+            scan_msg = messages.ScanStatusMessage(
+                status=status,
+                scan_id=scan_id,
+                scan_name=scan_name,
+                scan_type=scan_type,
+                request_inputs=request_inputs,
+                info={"positions": positions},
+            )
+        else:
+            scan_msg = None
+
+        if scan_msg is None:
+            logger.warning("Scan message is None; skipping update.")
+            return
+        self.status_message = scan_msg
+
+        img, transform = self.get_image_data(x_data=x_data, y_data=y_data, z_data=z_data)
+        if img is None:
+            logger.warning("Image data is None; skipping update.")
+            return
+
+        if self._color_bar is not None:
+            self._color_bar.blockSignals(True)
+        self.main_image.set_data(img, transform=transform)
+        if self._color_bar is not None:
+            self._color_bar.blockSignals(False)
+        self.image_updated.emit()
+        if self.crosshair is not None:
+            self.crosshair.update_markers_on_image_change()
+
+    def get_image_data(
+        self,
+        x_data: list[float] | None = None,
+        y_data: list[float] | None = None,
+        z_data: list[float] | None = None,
+    ) -> tuple[np.ndarray | None, QTransform | None]:
+        """
+        Get the image data for the heatmap. Depending on the scan type, it will
+        either pre-allocate the grid (grid_scan) or interpolate the data (step scan).
+
+        Args:
+            x_data (np.ndarray): The x data.
+            y_data (np.ndarray): The y data.
+            z_data (np.ndarray): The z data.
+            msg (messages.ScanStatusMessage): The scan status message.
+
+        Returns:
+            tuple[np.ndarray, QTransform]: The image data and the QTransform.
+        """
+        msg = self.status_message
+        if x_data is None or y_data is None or z_data is None or msg is None:
+            logger.warning("x, y, or z data is None; skipping update.")
+            return None, None
+
+        if msg.scan_name == "grid_scan":
+            # We only support the grid scan mode if both scanning motors
+            # are configured in the heatmap config.
+            device_x = self._image_config.x_device.entry
+            device_y = self._image_config.y_device.entry
+            if (
+                device_x in msg.request_inputs["arg_bundle"]
+                and device_y in msg.request_inputs["arg_bundle"]
+            ):
+                return self.get_grid_scan_image(z_data, msg)
+        if len(z_data) < 4:
+            # LinearNDInterpolator requires at least 4 points to interpolate
+            return None, None
+        return self.get_step_scan_image(x_data, y_data, z_data, msg)
+
+    def get_grid_scan_image(
+        self, z_data: list[float], msg: messages.ScanStatusMessage
+    ) -> tuple[np.ndarray, QTransform]:
+        """
+        Get the image data for a grid scan.
+        Args:
+            z_data (np.ndarray): The z data.
+            msg (messages.ScanStatusMessage): The scan status message.
+
+        Returns:
+            tuple[np.ndarray, QTransform]: The image data and the QTransform.
+        """
+
+        args = self.arg_bundle_to_dict(4, msg.request_inputs["arg_bundle"])
+
+        shape = (
+            args[self._image_config.x_device.entry][-1],
+            args[self._image_config.y_device.entry][-1],
+        )
+
+        data = self.main_image.raw_data
+
+        if data is None or data.shape != shape:
+            data = np.empty(shape)
+            data.fill(np.nan)
+
+        def _get_grid_data(axis, snaked=True):
+            x_grid, y_grid = np.meshgrid(axis[0], axis[1])
+            if snaked:
+                y_grid.T[::2] = np.fliplr(y_grid.T[::2])
+            x_flat = x_grid.T.ravel()
+            y_flat = y_grid.T.ravel()
+            positions = np.vstack((x_flat, y_flat)).T
+            return positions
+
+        snaked = msg.request_inputs["kwargs"].get("snaked", True)
+
+        # If the scan's fast axis is x, we need to swap the x and y axes
+        swap = bool(msg.request_inputs["arg_bundle"][4] == self._image_config.x_device.entry)
+
+        # calculate the QTransform to put (0,0) at the axis origin
+        scan_pos = np.asarray(msg.info["positions"])
+        x_min = min(scan_pos[:, 0])
+        x_max = max(scan_pos[:, 0])
+        y_min = min(scan_pos[:, 1])
+        y_max = max(scan_pos[:, 1])
+
+        x_range = x_max - x_min
+        y_range = y_max - y_min
+
+        pixel_size_x = x_range / (shape[0] - 1)
+        pixel_size_y = y_range / (shape[1] - 1)
+
+        transform = QTransform()
+        if swap:
+            transform.scale(pixel_size_y, pixel_size_x)
+            transform.translate(y_min / pixel_size_y - 0.5, x_min / pixel_size_x - 0.5)
+        else:
+            transform.scale(pixel_size_x, pixel_size_y)
+            transform.translate(x_min / pixel_size_x - 0.5, y_min / pixel_size_y - 0.5)
+
+        target_positions = _get_grid_data(
+            (np.arange(shape[int(swap)]), np.arange(shape[int(not swap)])), snaked=snaked
+        )
+
+        # Fill the data array with the z values
+        if self._grid_index is None or self.reload:
+            self._grid_index = 0
+            self.reload = False
+
+        for i in range(self._grid_index, len(z_data)):
+            data[target_positions[i, int(swap)], target_positions[i, int(not swap)]] = z_data[i]
+        self._grid_index = len(z_data)
+        return data, transform
+
+    def get_step_scan_image(
+        self,
+        x_data: list[float],
+        y_data: list[float],
+        z_data: list[float],
+        msg: messages.ScanStatusMessage,
+    ) -> tuple[np.ndarray, QTransform]:
+        """
+        Get the image data for an arbitrary step scan.
+
+        Args:
+            x_data (list[float]): The x data.
+            y_data (list[float]): The y data.
+            z_data (list[float]): The z data.
+            msg (messages.ScanStatusMessage): The scan status message.
+
+        Returns:
+            tuple[np.ndarray, QTransform]: The image data and the QTransform.
+        """
+        xy_data = np.column_stack((x_data, y_data))
+        grid_x, grid_y, transform = self.get_image_grid(xy_data)
+
+        # Interpolate the z data onto the grid
+        interp = LinearNDInterpolator(xy_data, z_data)
+        grid_z = interp(grid_x, grid_y)
+
+        return grid_z, transform
+
+    def get_image_grid(self, positions) -> tuple[np.ndarray, np.ndarray, QTransform]:
+        """
+        LRU-cached calculation of the grid for the image. The lru cache is indexed by the scan_id
+        to avoid recalculating the grid for the same scan.
+
+        Args:
+            _scan_id (str): The scan ID. Needed for caching but not used in the function.
+
+        Returns:
+            tuple[np.ndarray, np.ndarray, QTransform]: The grid x and y coordinates and the QTransform.
+        """
+
+        width, height = self.estimate_image_resolution(positions)
+
+        # Create a grid of points for interpolation
+        grid_x, grid_y = np.mgrid[
+            min(positions[:, 0]) : max(positions[:, 0]) : width * 1j,
+            min(positions[:, 1]) : max(positions[:, 1]) : height * 1j,
+        ]
+
+        # Calculate the QTransform to put (0,0) at the axis origin
+        x_min = min(positions[:, 0])
+        y_min = min(positions[:, 1])
+        x_max = max(positions[:, 0])
+        y_max = max(positions[:, 1])
+        x_range = x_max - x_min
+        y_range = y_max - y_min
+        x_scale = x_range / width
+        y_scale = y_range / height
+
+        transform = QTransform()
+        transform.scale(x_scale, y_scale)
+        transform.translate(x_min / x_scale - 0.5, y_min / y_scale - 0.5)
+
+        return grid_x, grid_y, transform
+
+    @staticmethod
+    def estimate_image_resolution(coords: np.ndarray) -> tuple[int, int]:
+        """
+        Estimate the number of pixels needed for the image based on the coordinates.
+
+        Args:
+            coords (np.ndarray): The coordinates of the points.
+
+        Returns:
+            tuple[int, int]: The estimated width and height of the image."""
+        if coords.ndim != 2 or coords.shape[1] != 2:
+            raise ValueError("Input must be an (m x 2) array of (x, y) coordinates.")
+
+        x_min, x_max = coords[:, 0].min(), coords[:, 0].max()
+        y_min, y_max = coords[:, 1].min(), coords[:, 1].max()
+
+        tree = cKDTree(coords)
+        distances, _ = tree.query(coords, k=2)
+        distances = distances[:, 1]  # Get the second nearest neighbor distance
+        avg_distance = np.mean(distances)
+
+        width_extent = x_max - x_min
+        height_extent = y_max - y_min
+
+        # Calculate the number of pixels needed based on the average distance
+        width_pixels = int(np.ceil(width_extent / avg_distance))
+        height_pixels = int(np.ceil(height_extent / avg_distance))
+
+        return max(1, width_pixels), max(1, height_pixels)
+
+    def arg_bundle_to_dict(self, bundle_size: int, args: list) -> dict:
+        """
+        Convert the argument bundle to a dictionary.
+
+        Args:
+            args (list): The argument bundle.
+
+        Returns:
+            dict: The dictionary representation of the argument bundle.
+        """
+        params = {}
+        for cmds in partition(bundle_size, args):
+            params[cmds[0]] = list(cmds[1:])
+        return params
+
+    def _fetch_scan_data_and_access(self):
+        """
+        Decide whether the widget is in live or historical mode
+        and return the appropriate data dict and access key.
+
+        Returns:
+            data_dict (dict): The data structure for the current scan.
+            access_key (str): Either 'val' (live) or 'value' (history).
+        """
+        if self.scan_item is None:
+            # Optionally fetch the latest from history if nothing is set
+            # self.update_with_scan_history(-1)
+            if self.scan_item is None:
+                logger.info("No scan executed so far; skipping device curves categorisation.")
+                return "none", "none"
+
+        if hasattr(self.scan_item, "live_data"):
+            # Live scan
+            return self.scan_item.live_data, "val"
+
+        # Historical
+        scan_devices = self.scan_item.devices
+        return scan_devices, "value"
+
+    def reset(self):
+        self._grid_index = None
+        self.main_image.clear()
+        if self.crosshair is not None:
+            self.crosshair.reset()
+        super().reset()
+
+    ################################################################################
+    # Post Processing
+    ################################################################################
+
+    @SafeProperty(bool)
+    def fft(self) -> bool:
+        """
+        Whether FFT postprocessing is enabled.
+        """
+        return self.main_image.fft
+
+    @fft.setter
+    def fft(self, enable: bool):
+        """
+        Set FFT postprocessing.
+
+        Args:
+            enable(bool): Whether to enable FFT postprocessing.
+        """
+        self.main_image.fft = enable
+
+    @SafeProperty(bool)
+    def log(self) -> bool:
+        """
+        Whether logarithmic scaling is applied.
+        """
+        return self.main_image.log
+
+    @log.setter
+    def log(self, enable: bool):
+        """
+        Set logarithmic scaling.
+
+        Args:
+            enable(bool): Whether to enable logarithmic scaling.
+        """
+        self.main_image.log = enable
+
+    @SafeProperty(int)
+    def num_rotation_90(self) -> int:
+        """
+        The number of 90° rotations to apply counterclockwise.
+        """
+        return self.main_image.num_rotation_90
+
+    @num_rotation_90.setter
+    def num_rotation_90(self, value: int):
+        """
+        Set the number of 90° rotations to apply counterclockwise.
+
+        Args:
+            value(int): The number of 90° rotations to apply.
+        """
+        self.main_image.num_rotation_90 = value
+
+    @SafeProperty(bool)
+    def transpose(self) -> bool:
+        """
+        Whether the image is transposed.
+        """
+        return self.main_image.transpose
+
+    @transpose.setter
+    def transpose(self, enable: bool):
+        """
+        Set the image to be transposed.
+
+        Args:
+            enable(bool): Whether to enable transposing the image.
+        """
+        self.main_image.transpose = enable
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import sys
+
+    from qtpy.QtWidgets import QApplication
+
+    app = QApplication(sys.argv)
+    heatmap = Heatmap()
+    heatmap.plot(x_name="samx", y_name="samy", z_name="bpm4i")
+    heatmap.show()
+    sys.exit(app.exec_())

bec_widgets/widgets/plots/heatmap/heatmap.pyproject

@@ -0,0 +1 @@
+{'files': ['heatmap.py']}

bec_widgets/widgets/plots/heatmap/heatmap_plugin.py

@@ -0,0 +1,54 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+from qtpy.QtDesigner import QDesignerCustomWidgetInterface
+
+from bec_widgets.utils.bec_designer import designer_material_icon
+from bec_widgets.widgets.plots.heatmap.heatmap import Heatmap
+
+DOM_XML = """
+<ui language='c++'>
+    <widget class='Heatmap' name='heatmap'>
+    </widget>
+</ui>
+"""
+
+
+class HeatmapPlugin(QDesignerCustomWidgetInterface):  # pragma: no cover
+    def __init__(self):
+        super().__init__()
+        self._form_editor = None
+
+    def createWidget(self, parent):
+        t = Heatmap(parent)
+        return t
+
+    def domXml(self):
+        return DOM_XML
+
+    def group(self):
+        return ""
+
+    def icon(self):
+        return designer_material_icon(Heatmap.ICON_NAME)
+
+    def includeFile(self):
+        return "heatmap"
+
+    def initialize(self, form_editor):
+        self._form_editor = form_editor
+
+    def isContainer(self):
+        return False
+
+    def isInitialized(self):
+        return self._form_editor is not None
+
+    def name(self):
+        return "Heatmap"
+
+    def toolTip(self):
+        return ""
+
+    def whatsThis(self):
+        return self.toolTip()

bec_widgets/widgets/plots/heatmap/register_heatmap.py

@@ -0,0 +1,15 @@
+def main():  # pragma: no cover
+    from qtpy import PYSIDE6
+
+    if not PYSIDE6:
+        print("PYSIDE6 is not available in the environment. Cannot patch designer.")
+        return
+    from PySide6.QtDesigner import QPyDesignerCustomWidgetCollection
+
+    from bec_widgets.widgets.plots.heatmap.heatmap_plugin import HeatmapPlugin
+
+    QPyDesignerCustomWidgetCollection.addCustomWidget(HeatmapPlugin())
+
+
+if __name__ == "__main__":  # pragma: no cover
+    main()

bec_widgets/widgets/plots/heatmap/settings/heatmap_setting.py

@@ -0,0 +1,138 @@
+import os
+
+from qtpy.QtWidgets import QFrame, QScrollArea, QVBoxLayout
+
+from bec_widgets.utils import UILoader
+from bec_widgets.utils.error_popups import SafeSlot
+from bec_widgets.utils.settings_dialog import SettingWidget
+
+
+class HeatmapSettings(SettingWidget):
+    def __init__(self, parent=None, target_widget=None, popup=False, *args, **kwargs):
+        super().__init__(parent=parent, *args, **kwargs)
+
+        # This is a settings widget that depends on the target widget
+        # and should mirror what is in the target widget.
+        # Saving settings for this widget could result in recursively setting the target widget.
+        self.setProperty("skip_settings", True)
+
+        current_path = os.path.dirname(__file__)
+        if popup:
+            form = UILoader().load_ui(
+                os.path.join(current_path, "heatmap_settings_horizontal.ui"), self
+            )
+        else:
+            form = UILoader().load_ui(
+                os.path.join(current_path, "heatmap_settings_vertical.ui"), self
+            )
+
+        self.target_widget = target_widget
+        self.popup = popup
+
+        # # Scroll area
+        self.scroll_area = QScrollArea(self)
+        self.scroll_area.setWidgetResizable(True)
+        self.scroll_area.setFrameShape(QFrame.NoFrame)
+        self.scroll_area.setWidget(form)
+
+        self.layout = QVBoxLayout(self)
+        self.layout.setContentsMargins(0, 0, 0, 0)
+        self.layout.addWidget(self.scroll_area)
+        self.ui = form
+
+        self.fetch_all_properties()
+
+        self.target_widget.heatmap_property_changed.connect(self.fetch_all_properties)
+        if popup is False:
+            self.ui.button_apply.clicked.connect(self.accept_changes)
+
+    @SafeSlot()
+    def fetch_all_properties(self):
+        """
+        Fetch all properties from the target widget and update the settings widget.
+        """
+        if not self.target_widget:
+            return
+
+        # Get properties from the target widget
+        color_map = getattr(self.target_widget, "color_map", None)
+
+        # Default values for device properties
+        x_name, x_entry = None, None
+        y_name, y_entry = None, None
+        z_name, z_entry = None, None
+
+        # Safely access device properties
+        if hasattr(self.target_widget, "_image_config") and self.target_widget._image_config:
+            config = self.target_widget._image_config
+
+            if hasattr(config, "x_device") and config.x_device:
+                x_name = getattr(config.x_device, "name", None)
+                x_entry = getattr(config.x_device, "entry", None)
+
+            if hasattr(config, "y_device") and config.y_device:
+                y_name = getattr(config.y_device, "name", None)
+                y_entry = getattr(config.y_device, "entry", None)
+
+            if hasattr(config, "z_device") and config.z_device:
+                z_name = getattr(config.z_device, "name", None)
+                z_entry = getattr(config.z_device, "entry", None)
+
+        # Apply the properties to the settings widget
+        if hasattr(self.ui, "color_map"):
+            self.ui.color_map.colormap = color_map
+
+        if hasattr(self.ui, "x_name"):
+            self.ui.x_name.set_device(x_name)
+        if hasattr(self.ui, "x_entry") and x_entry is not None:
+            self.ui.x_entry.setText(x_entry)
+
+        if hasattr(self.ui, "y_name"):
+            self.ui.y_name.set_device(y_name)
+        if hasattr(self.ui, "y_entry") and y_entry is not None:
+            self.ui.y_entry.setText(y_entry)
+
+        if hasattr(self.ui, "z_name"):
+            self.ui.z_name.set_device(z_name)
+        if hasattr(self.ui, "z_entry") and z_entry is not None:
+            self.ui.z_entry.setText(z_entry)
+
+    @SafeSlot()
+    def accept_changes(self):
+        """
+        Apply all properties from the settings widget to the target widget.
+        """
+        x_name = self.ui.x_name.text()
+        x_entry = self.ui.x_entry.text()
+        y_name = self.ui.y_name.text()
+        y_entry = self.ui.y_entry.text()
+        z_name = self.ui.z_name.text()
+        z_entry = self.ui.z_entry.text()
+        validate_bec = self.ui.validate_bec.checked
+        color_map = self.ui.color_map.colormap
+
+        self.target_widget.plot(
+            x_name=x_name,
+            y_name=y_name,
+            z_name=z_name,
+            x_entry=x_entry,
+            y_entry=y_entry,
+            z_entry=z_entry,
+            color_map=color_map,
+            validate_bec=validate_bec,
+            reload=True,
+        )
+
+    def cleanup(self):
+        self.ui.x_name.close()
+        self.ui.x_name.deleteLater()
+        self.ui.x_entry.close()
+        self.ui.x_entry.deleteLater()
+        self.ui.y_name.close()
+        self.ui.y_name.deleteLater()
+        self.ui.y_entry.close()
+        self.ui.y_entry.deleteLater()
+        self.ui.z_name.close()
+        self.ui.z_name.deleteLater()
+        self.ui.z_entry.close()
+        self.ui.z_entry.deleteLater()

bec_widgets/widgets/plots/heatmap/settings/heatmap_settings_horizontal.ui

@@ -0,0 +1,203 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Form</class>
+ <widget class="QWidget" name="Form">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>604</width>
+    <height>166</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <widget class="QLabel" name="label_7">
+       <property name="text">
+        <string>Validate BEC</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="ToggleSwitch" name="validate_bec"/>
+     </item>
+     <item>
+      <widget class="BECColorMapWidget" name="color_map"/>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QGroupBox" name="groupBox">
+       <property name="title">
+        <string>X Device</string>
+       </property>
+       <layout class="QGridLayout" name="gridLayout">
+        <item row="0" column="0">
+         <widget class="QLabel" name="label">
+          <property name="text">
+           <string>Name</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="DeviceLineEdit" name="x_name"/>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="label_2">
+          <property name="text">
+           <string>Signal</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1">
+         <widget class="QLineEdit" name="x_entry"/>
+        </item>
+       </layout>
+      </widget>
+     </item>
+     <item>
+      <widget class="QGroupBox" name="groupBox_2">
+       <property name="title">
+        <string>Y Device</string>
+       </property>
+       <layout class="QGridLayout" name="gridLayout_2">
+        <item row="0" column="0">
+         <widget class="QLabel" name="label_3">
+          <property name="text">
+           <string>Name</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="DeviceLineEdit" name="y_name"/>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="label_4">
+          <property name="text">
+           <string>Signal</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1">
+         <widget class="QLineEdit" name="y_entry"/>
+        </item>
+       </layout>
+      </widget>
+     </item>
+     <item>
+      <widget class="QGroupBox" name="groupBox_3">
+       <property name="title">
+        <string>Z Device</string>
+       </property>
+       <layout class="QGridLayout" name="gridLayout_3">
+        <item row="0" column="0">
+         <widget class="QLabel" name="label_5">
+          <property name="text">
+           <string>Name</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="label_6">
+          <property name="text">
+           <string>Signal</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1">
+         <widget class="QLineEdit" name="z_entry"/>
+        </item>
+        <item row="0" column="1">
+         <widget class="DeviceLineEdit" name="z_name"/>
+        </item>
+       </layout>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>DeviceLineEdit</class>
+   <extends>QLineEdit</extends>
+   <header>device_line_edit</header>
+  </customwidget>
+  <customwidget>
+   <class>ToggleSwitch</class>
+   <extends>QWidget</extends>
+   <header>toggle_switch</header>
+  </customwidget>
+  <customwidget>
+   <class>BECColorMapWidget</class>
+   <extends>QWidget</extends>
+   <header>bec_color_map_widget</header>
+  </customwidget>
+ </customwidgets>
+ <tabstops>
+  <tabstop>x_name</tabstop>
+  <tabstop>x_entry</tabstop>
+  <tabstop>y_name</tabstop>
+  <tabstop>y_entry</tabstop>
+  <tabstop>z_name</tabstop>
+  <tabstop>z_entry</tabstop>
+ </tabstops>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>x_name</sender>
+   <signal>textChanged(QString)</signal>
+   <receiver>x_entry</receiver>
+   <slot>clear()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>134</x>
+     <y>95</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>138</x>
+     <y>128</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>y_name</sender>
+   <signal>textChanged(QString)</signal>
+   <receiver>y_entry</receiver>
+   <slot>clear()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>351</x>
+     <y>91</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>349</x>
+     <y>121</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>z_name</sender>
+   <signal>textChanged(QString)</signal>
+   <receiver>z_entry</receiver>
+   <slot>clear()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>520</x>
+     <y>98</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>522</x>
+     <y>127</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

bec_widgets/widgets/plots/heatmap/settings/heatmap_settings_vertical.ui

@@ -0,0 +1,204 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+    <class>Form</class>
+    <widget class="QWidget" name="Form">
+        <property name="geometry">
+            <rect>
+                <x>0</x>
+                <y>0</y>
+                <width>233</width>
+                <height>427</height>
+            </rect>
+        </property>
+        <property name="maximumSize">
+            <size>
+                <width>16777215</width>
+                <height>427</height>
+            </size>
+        </property>
+        <property name="windowTitle">
+            <string>Form</string>
+        </property>
+        <layout class="QVBoxLayout" name="verticalLayout">
+            <item>
+                <widget class="QPushButton" name="button_apply">
+                    <property name="text">
+                        <string>Apply</string>
+                    </property>
+                </widget>
+            </item>
+            <item>
+                <widget class="BECColorMapWidget" name="color_map"/>
+            </item>
+            <item>
+                <layout class="QHBoxLayout" name="horizontalLayout">
+                    <item>
+                        <widget class="QLabel" name="label_7">
+                            <property name="text">
+                                <string>Validate BEC</string>
+                            </property>
+                        </widget>
+                    </item>
+                    <item>
+                        <widget class="ToggleSwitch" name="validate_bec"/>
+                    </item>
+                </layout>
+            </item>
+            <item>
+                <widget class="QGroupBox" name="groupBox">
+                    <property name="title">
+                        <string>X Device</string>
+                    </property>
+                    <layout class="QGridLayout" name="gridLayout">
+                        <item row="0" column="0">
+                            <widget class="QLabel" name="label">
+                                <property name="text">
+                                    <string>Name</string>
+                                </property>
+                            </widget>
+                        </item>
+                        <item row="0" column="1">
+                            <widget class="DeviceLineEdit" name="x_name"/>
+                        </item>
+                        <item row="1" column="0">
+                            <widget class="QLabel" name="label_2">
+                                <property name="text">
+                                    <string>Signal</string>
+                                </property>
+                            </widget>
+                        </item>
+                        <item row="1" column="1">
+                            <widget class="QLineEdit" name="x_entry"/>
+                        </item>
+                    </layout>
+                </widget>
+            </item>
+            <item>
+                <widget class="QGroupBox" name="groupBox_2">
+                    <property name="title">
+                        <string>Y Device</string>
+                    </property>
+                    <layout class="QGridLayout" name="gridLayout_2">
+                        <item row="0" column="0">
+                            <widget class="QLabel" name="label_3">
+                                <property name="text">
+                                    <string>Name</string>
+                                </property>
+                            </widget>
+                        </item>
+                        <item row="0" column="1">
+                            <widget class="DeviceLineEdit" name="y_name"/>
+                        </item>
+                        <item row="1" column="0">
+                            <widget class="QLabel" name="label_4">
+                                <property name="text">
+                                    <string>Signal</string>
+                                </property>
+                            </widget>
+                        </item>
+                        <item row="1" column="1">
+                            <widget class="QLineEdit" name="y_entry"/>
+                        </item>
+                    </layout>
+                </widget>
+            </item>
+            <item>
+                <widget class="QGroupBox" name="groupBox_3">
+                    <property name="title">
+                        <string>Z Device</string>
+                    </property>
+                    <layout class="QGridLayout" name="gridLayout_3">
+                        <item row="0" column="0">
+                            <widget class="QLabel" name="label_5">
+                                <property name="text">
+                                    <string>Name</string>
+                                </property>
+                            </widget>
+                        </item>
+                        <item row="0" column="1">
+                            <widget class="DeviceLineEdit" name="z_name"/>
+                        </item>
+                        <item row="1" column="0">
+                            <widget class="QLabel" name="label_6">
+                                <property name="text">
+                                    <string>Signal</string>
+                                </property>
+                            </widget>
+                        </item>
+                        <item row="1" column="1">
+                            <widget class="QLineEdit" name="z_entry"/>
+                        </item>
+                    </layout>
+                </widget>
+            </item>
+        </layout>
+    </widget>
+    <customwidgets>
+        <customwidget>
+            <class>DeviceLineEdit</class>
+            <extends>QLineEdit</extends>
+            <header>device_line_edit</header>
+        </customwidget>
+        <customwidget>
+            <class>ToggleSwitch</class>
+            <extends>QWidget</extends>
+            <header>toggle_switch</header>
+        </customwidget>
+        <customwidget>
+            <class>BECColorMapWidget</class>
+            <extends>QWidget</extends>
+            <header>bec_color_map_widget</header>
+        </customwidget>
+    </customwidgets>
+    <resources/>
+    <connections>
+        <connection>
+            <sender>x_name</sender>
+            <signal>textChanged(QString)</signal>
+            <receiver>x_entry</receiver>
+            <slot>clear()</slot>
+            <hints>
+                <hint type="sourcelabel">
+                    <x>156</x>
+                    <y>123</y>
+                </hint>
+                <hint type="destinationlabel">
+                    <x>158</x>
+                    <y>157</y>
+                </hint>
+            </hints>
+        </connection>
+        <connection>
+            <sender>y_name</sender>
+            <signal>textChanged(QString)</signal>
+            <receiver>y_entry</receiver>
+            <slot>clear()</slot>
+            <hints>
+                <hint type="sourcelabel">
+                    <x>116</x>
+                    <y>229</y>
+                </hint>
+                <hint type="destinationlabel">
+                    <x>116</x>
+                    <y>251</y>
+                </hint>
+            </hints>
+        </connection>
+        <connection>
+            <sender>z_name</sender>
+            <signal>textChanged(QString)</signal>
+            <receiver>z_entry</receiver>
+            <slot>clear()</slot>
+            <hints>
+                <hint type="sourcelabel">
+                    <x>110</x>
+                    <y>326</y>
+                </hint>
+                <hint type="destinationlabel">
+                    <x>110</x>
+                    <y>352</y>
+                </hint>
+            </hints>
+        </connection>
+    </connections>
+</ui>

bec_widgets/widgets/plots/image/image.py

@@ -7,11 +7,19 @@ import numpy as np
 from bec_lib import bec_logger
 from bec_lib.endpoints import MessageEndpoints
 from pydantic import BaseModel, Field, field_validator
-from qtpy.QtWidgets import QWidget
+from qtpy.QtCore import Qt, QTimer
+from qtpy.QtWidgets import QComboBox, QStyledItemDelegate, QWidget
 
 from bec_widgets.utils import ConnectionConfig
 from bec_widgets.utils.colors import Colors
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
+from bec_widgets.utils.toolbars.actions import NoCheckDelegate, WidgetAction
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
+from bec_widgets.widgets.control.device_input.base_classes.device_input_base import (
+    BECDeviceFilter,
+    ReadoutPriority,
+)
+from bec_widgets.widgets.control.device_input.device_combobox.device_combobox import DeviceComboBox
 from bec_widgets.widgets.plots.image.image_base import ImageBase
 from bec_widgets.widgets.plots.image.image_item import ImageItem
 
@@ -132,16 +140,125 @@ class Image(ImageBase):
         if config is None:
             config = ImageConfig(widget_class=self.__class__.__name__)
         self.gui_id = config.gui_id
-        self._color_bar = None
         self.subscriptions: defaultdict[str, ImageLayerConfig] = defaultdict(
             lambda: ImageLayerConfig(monitor=None, monitor_type="auto", source="auto")
         )
         super().__init__(
             parent=parent, config=config, client=client, gui_id=gui_id, popups=popups, **kwargs
         )
+        self._init_toolbar_image()
         self.layer_removed.connect(self._on_layer_removed)
         self.scan_id = None
 
+    ##################################
+    ### Toolbar Initialization
+    ##################################
+
+    def _init_toolbar_image(self):
+        """
+        Initializes the toolbar for the image widget.
+        """
+        self.device_combo_box = DeviceComboBox(
+            parent=self,
+            device_filter=BECDeviceFilter.DEVICE,
+            readout_priority_filter=[ReadoutPriority.ASYNC],
+        )
+        self.device_combo_box.addItem("", None)
+        self.device_combo_box.setCurrentText("")
+        self.device_combo_box.setToolTip("Select Device")
+        self.device_combo_box.setFixedWidth(150)
+        self.device_combo_box.setItemDelegate(NoCheckDelegate(self.device_combo_box))
+
+        self.dim_combo_box = QComboBox(parent=self)
+        self.dim_combo_box.addItems(["auto", "1d", "2d"])
+        self.dim_combo_box.setCurrentText("auto")
+        self.dim_combo_box.setToolTip("Monitor Dimension")
+        self.dim_combo_box.setFixedWidth(100)
+        self.dim_combo_box.setItemDelegate(NoCheckDelegate(self.dim_combo_box))
+
+        self.toolbar.components.add_safe(
+            "image_device_combo", WidgetAction(widget=self.device_combo_box, adjust_size=False)
+        )
+        self.toolbar.components.add_safe(
+            "image_dim_combo", WidgetAction(widget=self.dim_combo_box, adjust_size=False)
+        )
+
+        bundle = ToolbarBundle("monitor_selection", self.toolbar.components)
+        bundle.add_action("image_device_combo")
+        bundle.add_action("image_dim_combo")
+
+        self.toolbar.add_bundle(bundle)
+        self.device_combo_box.currentTextChanged.connect(self.connect_monitor)
+        self.dim_combo_box.currentTextChanged.connect(self.connect_monitor)
+
+        crosshair_bundle = self.toolbar.get_bundle("image_crosshair")
+        crosshair_bundle.add_action("image_autorange")
+        crosshair_bundle.add_action("image_colorbar_switch")
+
+        self.toolbar.show_bundles(
+            [
+                "monitor_selection",
+                "plot_export",
+                "mouse_interaction",
+                "image_crosshair",
+                "image_processing",
+                "axis_popup",
+            ]
+        )
+
+        QTimer.singleShot(0, self._adjust_and_connect)
+
+    def _adjust_and_connect(self):
+        """
+        Adjust the size of the device combo box and populate it with preview signals.
+        Has to be done with QTimer.singleShot to ensure the UI is fully initialized, needed for testing.
+        """
+        self._populate_preview_signals()
+        self._reverse_device_items()
+        self.device_combo_box.setCurrentText("")  # set again default to empty string
+
+    def _populate_preview_signals(self) -> None:
+        """
+        Populate the device combo box with preview-signal devices in the
+        format '<device>_<signal>' and store the tuple(device, signal) in
+        the item's userData for later use.
+        """
+        preview_signals = self.client.device_manager.get_bec_signals("PreviewSignal")
+        for device, signal, signal_config in preview_signals:
+            label = signal_config.get("obj_name", f"{device}_{signal}")
+            self.device_combo_box.addItem(label, (device, signal, signal_config))
+
+    def _reverse_device_items(self) -> None:
+        """
+        Reverse the current order of items in the device combo box while
+        keeping their userData and restoring the previous selection.
+        """
+        current_text = self.device_combo_box.currentText()
+        items = [
+            (self.device_combo_box.itemText(i), self.device_combo_box.itemData(i))
+            for i in range(self.device_combo_box.count())
+        ]
+        self.device_combo_box.clear()
+        for text, data in reversed(items):
+            self.device_combo_box.addItem(text, data)
+        if current_text:
+            self.device_combo_box.setCurrentText(current_text)
+
+    @SafeSlot()
+    def connect_monitor(self, *args, **kwargs):
+        """
+        Connect the target widget to the selected monitor based on the current device and dimension.
+
+        If the selected device is a preview-signal device, it will use the tuple (device, signal) as the monitor.
+        """
+        dim = self.dim_combo_box.currentText()
+        data = self.device_combo_box.currentData()
+
+        if isinstance(data, tuple):
+            self.image(monitor=data, monitor_type="auto")
+        else:
+            self.image(monitor=self.device_combo_box.currentText(), monitor_type=dim)
+
     ################################################################################
     # Data Acquisition
 
@@ -227,35 +344,21 @@ class Image(ImageBase):
         """
         config = self.subscriptions["main"]
         if config.monitor is not None:
-            for combo in (
-                self.selection_bundle.device_combo_box,
-                self.selection_bundle.dim_combo_box,
-            ):
+            for combo in (self.device_combo_box, self.dim_combo_box):
                 combo.blockSignals(True)
             if isinstance(config.monitor, tuple):
-                self.selection_bundle.device_combo_box.setCurrentText(
-                    f"{config.monitor[0]}_{config.monitor[1]}"
-                )
+                self.device_combo_box.setCurrentText(f"{config.monitor[0]}_{config.monitor[1]}")
             else:
-                self.selection_bundle.device_combo_box.setCurrentText(config.monitor)
-            self.selection_bundle.dim_combo_box.setCurrentText(config.monitor_type)
-            for combo in (
-                self.selection_bundle.device_combo_box,
-                self.selection_bundle.dim_combo_box,
-            ):
+                self.device_combo_box.setCurrentText(config.monitor)
+            self.dim_combo_box.setCurrentText(config.monitor_type)
+            for combo in (self.device_combo_box, self.dim_combo_box):
                 combo.blockSignals(False)
         else:
-            for combo in (
-                self.selection_bundle.device_combo_box,
-                self.selection_bundle.dim_combo_box,
-            ):
+            for combo in (self.device_combo_box, self.dim_combo_box):
                 combo.blockSignals(True)
-            self.selection_bundle.device_combo_box.setCurrentText("")
-            self.selection_bundle.dim_combo_box.setCurrentText("auto")
-            for combo in (
-                self.selection_bundle.device_combo_box,
-                self.selection_bundle.dim_combo_box,
-            ):
+            self.device_combo_box.setCurrentText("")
+            self.dim_combo_box.setCurrentText("auto")
+            for combo in (self.device_combo_box, self.dim_combo_box):
                 combo.blockSignals(False)
 
     ################################################################################
@@ -462,6 +565,8 @@ class Image(ImageBase):
             self.main_image.clear()
             self.main_image.buffer = []
             self.main_image.max_len = 0
+            if self.crosshair is not None:
+                self.crosshair.reset()
         image_buffer = self.adjust_image_buffer(self.main_image, data)
         if self._color_bar is not None:
             self._color_bar.blockSignals(True)
@@ -554,8 +659,10 @@ class Image(ImageBase):
         self.subscriptions.clear()
 
         # Toolbar cleanup
-        self.toolbar.widgets["monitor"].widget.close()
-        self.toolbar.widgets["monitor"].widget.deleteLater()
+        self.device_combo_box.close()
+        self.device_combo_box.deleteLater()
+        self.dim_combo_box.close()
+        self.dim_combo_box.deleteLater()
         super().cleanup()
 
 
@@ -570,10 +677,10 @@ if __name__ == "__main__":  # pragma: no cover
     ml = QHBoxLayout(win)
 
     image_popup = Image(popups=True)
-    image_side_panel = Image(popups=False)
+    # image_side_panel = Image(popups=False)
 
     ml.addWidget(image_popup)
-    ml.addWidget(image_side_panel)
+    # ml.addWidget(image_side_panel)
 
     win.resize(1500, 800)
     win.show()

bec_widgets/widgets/plots/image/image_base.py

@@ -12,14 +12,19 @@ from qtpy.QtWidgets import QDialog, QVBoxLayout
 from bec_widgets.utils.container_utils import WidgetContainerUtils
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
 from bec_widgets.utils.side_panel import SidePanel
-from bec_widgets.utils.toolbar import MaterialIconAction, SwitchableToolBarAction
+from bec_widgets.utils.toolbars.actions import MaterialIconAction, SwitchableToolBarAction
 from bec_widgets.widgets.plots.image.image_item import ImageItem
 from bec_widgets.widgets.plots.image.image_roi_plot import ImageROIPlot
 from bec_widgets.widgets.plots.image.setting_widgets.image_roi_tree import ROIPropertyTree
-from bec_widgets.widgets.plots.image.toolbar_bundles.image_selection import (
-    MonitorSelectionToolbarBundle,
+from bec_widgets.widgets.plots.image.toolbar_components.image_base_actions import (
+    ImageColorbarConnection,
+    ImageProcessingConnection,
+    ImageRoiConnection,
+    image_autorange,
+    image_colorbar,
+    image_processing,
+    image_roi_bundle,
 )
-from bec_widgets.widgets.plots.image.toolbar_bundles.processing import ImageProcessingToolbarBundle
 from bec_widgets.widgets.plots.plot_base import PlotBase
 from bec_widgets.widgets.plots.roi.image_roi import (
     BaseROI,
@@ -255,7 +260,9 @@ class ImageBase(PlotBase):
         """
         self.x_roi = None
         self.y_roi = None
+        self._color_bar = None
         super().__init__(*args, **kwargs)
+
         self.roi_controller = ROIController(colormap="viridis")
 
         # Headless controller keeps the canonical list.
@@ -264,6 +271,7 @@ class ImageBase(PlotBase):
             self, plot_item=self.plot_item, on_add=self.layer_added, on_remove=self.layer_removed
         )
         self.layer_manager.add("main")
+        self._init_image_base_toolbar()
 
         self.autorange = True
         self.autorange_mode = "mean"
@@ -274,6 +282,16 @@ class ImageBase(PlotBase):
         # Refresh theme for ROI plots
         self._update_theme()
 
+        self.toolbar.show_bundles(
+            [
+                "image_crosshair",
+                "mouse_interaction",
+                "image_autorange",
+                "image_colorbar",
+                "image_processing",
+            ]
+        )
+
     ################################################################################
     # Widget Specific GUI interactions
     ################################################################################
@@ -318,135 +336,66 @@ class ImageBase(PlotBase):
         """
         return list(self.layer_manager.layers.values())
 
-    def _init_toolbar(self):
+    def _init_image_base_toolbar(self):
 
         try:
-            # add to the first position
-            self.selection_bundle = MonitorSelectionToolbarBundle(
-                bundle_id="selection", target_widget=self
-            )
-            self.toolbar.add_bundle(self.selection_bundle, self)
 
-            super()._init_toolbar()
-
-            # Image specific changes to PlotBase toolbar
-            self.toolbar.widgets["reset_legend"].action.setVisible(False)
-
-            # ROI Bundle replacement with switchable crosshair
-            self.toolbar.remove_bundle("roi")
-            crosshair = MaterialIconAction(
-                icon_name="point_scan", tooltip="Show Crosshair", checkable=True, parent=self
-            )
-            crosshair_roi = MaterialIconAction(
-                icon_name="my_location",
-                tooltip="Show Crosshair with ROI plots",
-                checkable=True,
-                parent=self,
-            )
-            crosshair_roi.action.toggled.connect(self.toggle_roi_panels)
-            crosshair.action.toggled.connect(self.toggle_crosshair)
-            switch_crosshair = SwitchableToolBarAction(
-                actions={"crosshair_simple": crosshair, "crosshair_roi": crosshair_roi},
-                initial_action="crosshair_simple",
-                tooltip="Crosshair",
-                checkable=True,
-                parent=self,
-            )
-            self.toolbar.add_action(
-                action_id="switch_crosshair", action=switch_crosshair, target_widget=self
+            # ROI Actions
+            self.toolbar.add_bundle(image_roi_bundle(self.toolbar.components))
+            self.toolbar.connect_bundle(
+                "image_base", ImageRoiConnection(self.toolbar.components, target_widget=self)
             )
 
-            # Lock aspect ratio button
-            self.lock_aspect_ratio_action = MaterialIconAction(
+            # Lock Aspect Ratio Action
+            lock_aspect_ratio_action = MaterialIconAction(
                 icon_name="aspect_ratio", tooltip="Lock Aspect Ratio", checkable=True, parent=self
             )
-            self.toolbar.add_action_to_bundle(
-                bundle_id="mouse_interaction",
-                action_id="lock_aspect_ratio",
-                action=self.lock_aspect_ratio_action,
-                target_widget=self,
-            )
-            self.lock_aspect_ratio_action.action.toggled.connect(
+            self.toolbar.components.add_safe("lock_aspect_ratio", lock_aspect_ratio_action)
+            self.toolbar.get_bundle("mouse_interaction").add_action("lock_aspect_ratio")
+            lock_aspect_ratio_action.action.toggled.connect(
                 lambda checked: self.setProperty("lock_aspect_ratio", checked)
             )
-            self.lock_aspect_ratio_action.action.setChecked(True)
+            lock_aspect_ratio_action.action.setChecked(True)
 
-            self._init_autorange_action()
-            self._init_colorbar_action()
-
-            # Processing Bundle
-            self.processing_bundle = ImageProcessingToolbarBundle(
-                bundle_id="processing", target_widget=self
+            # Autorange Action
+            self.toolbar.add_bundle(image_autorange(self.toolbar.components))
+            action = self.toolbar.components.get_action("image_autorange")
+            action.actions["mean"].action.toggled.connect(
+                lambda checked: self.toggle_autorange(checked, mode="mean")
+            )
+            action.actions["max"].action.toggled.connect(
+                lambda checked: self.toggle_autorange(checked, mode="max")
+            )
+
+            # Colorbar Actions
+            self.toolbar.add_bundle(image_colorbar(self.toolbar.components))
+
+            self.toolbar.connect_bundle(
+                "image_colorbar",
+                ImageColorbarConnection(self.toolbar.components, target_widget=self),
+            )
+
+            # Image Processing Actions
+            self.toolbar.add_bundle(image_processing(self.toolbar.components))
+            self.toolbar.connect_bundle(
+                "image_processing",
+                ImageProcessingConnection(self.toolbar.components, target_widget=self),
+            )
+
+            # ROI Manager Action
+            self.toolbar.components.add_safe(
+                "roi_mgr",
+                MaterialIconAction(
+                    icon_name="view_list", tooltip="ROI Manager", checkable=True, parent=self
+                ),
+            )
+            self.toolbar.get_bundle("axis_popup").add_action("roi_mgr")
+            self.toolbar.components.get_action("roi_mgr").action.triggered.connect(
+                self.show_roi_manager_popup
             )
-            self.toolbar.add_bundle(self.processing_bundle, target_widget=self)
         except Exception as e:
             logger.error(f"Error initializing toolbar: {e}")
 
-    def _init_autorange_action(self):
-
-        self.autorange_mean_action = MaterialIconAction(
-            icon_name="hdr_auto", tooltip="Enable Auto Range (Mean)", checkable=True, parent=self
-        )
-        self.autorange_max_action = MaterialIconAction(
-            icon_name="hdr_auto",
-            tooltip="Enable Auto Range (Max)",
-            checkable=True,
-            filled=True,
-            parent=self,
-        )
-
-        self.autorange_switch = SwitchableToolBarAction(
-            actions={
-                "auto_range_mean": self.autorange_mean_action,
-                "auto_range_max": self.autorange_max_action,
-            },
-            initial_action="auto_range_mean",
-            tooltip="Enable Auto Range",
-            checkable=True,
-            parent=self,
-        )
-
-        self.toolbar.add_action(
-            action_id="autorange_image", action=self.autorange_switch, target_widget=self
-        )
-
-        self.autorange_mean_action.action.toggled.connect(
-            lambda checked: self.toggle_autorange(checked, mode="mean")
-        )
-        self.autorange_max_action.action.toggled.connect(
-            lambda checked: self.toggle_autorange(checked, mode="max")
-        )
-
-    def _init_colorbar_action(self):
-        self.full_colorbar_action = MaterialIconAction(
-            icon_name="edgesensor_low", tooltip="Enable Full Colorbar", checkable=True, parent=self
-        )
-        self.simple_colorbar_action = MaterialIconAction(
-            icon_name="smartphone", tooltip="Enable Simple Colorbar", checkable=True, parent=self
-        )
-
-        self.colorbar_switch = SwitchableToolBarAction(
-            actions={
-                "full_colorbar": self.full_colorbar_action,
-                "simple_colorbar": self.simple_colorbar_action,
-            },
-            initial_action="full_colorbar",
-            tooltip="Enable Full Colorbar",
-            checkable=True,
-            parent=self,
-        )
-
-        self.toolbar.add_action(
-            action_id="switch_colorbar", action=self.colorbar_switch, target_widget=self
-        )
-
-        self.simple_colorbar_action.action.toggled.connect(
-            lambda checked: self.enable_colorbar(checked, style="simple")
-        )
-        self.full_colorbar_action.action.toggled.connect(
-            lambda checked: self.enable_colorbar(checked, style="full")
-        )
-
     ########################################
     # ROI Gui Manager
     def add_side_menus(self):
@@ -461,20 +410,8 @@ class ImageBase(PlotBase):
             title="ROI Manager",
         )
 
-    def add_popups(self):
-        super().add_popups()  # keep Axis Settings
-
-        roi_action = MaterialIconAction(
-            icon_name="view_list", tooltip="ROI Manager", checkable=True, parent=self
-        )
-        # self.popup_bundle.add_action("roi_mgr", roi_action)
-        self.toolbar.add_action_to_bundle(
-            bundle_id="popup_bundle", action_id="roi_mgr", action=roi_action, target_widget=self
-        )
-        self.toolbar.widgets["roi_mgr"].action.triggered.connect(self.show_roi_manager_popup)
-
     def show_roi_manager_popup(self):
-        roi_action = self.toolbar.widgets["roi_mgr"].action
+        roi_action = self.toolbar.components.get_action("roi_mgr").action
         if self.roi_manager_dialog is None or not self.roi_manager_dialog.isVisible():
             self.roi_mgr = ROIPropertyTree(parent=self, image_widget=self)
             self.roi_manager_dialog = QDialog(modal=False)
@@ -494,7 +431,7 @@ class ImageBase(PlotBase):
         self.roi_manager_dialog.close()
         self.roi_manager_dialog.deleteLater()
         self.roi_manager_dialog = None
-        self.toolbar.widgets["roi_mgr"].action.setChecked(False)
+        self.toolbar.components.get_action("roi_mgr").action.setChecked(False)
 
     def enable_colorbar(
         self,
@@ -518,12 +455,11 @@ class ImageBase(PlotBase):
                 self.plot_widget.removeItem(self._color_bar)
                 self._color_bar = None
 
+            def disable_autorange():
+                print("Disabling autorange")
+                self.setProperty("autorange", False)
+
             if style == "simple":
-
-                def disable_autorange():
-                    print("Disabling autorange")
-                    self.setProperty("autorange", False)
-
                 self._color_bar = pg.ColorBarItem(colorMap=self.config.color_map)
                 self._color_bar.setImageItem(self.layer_manager["main"].image)
                 self._color_bar.sigLevelsChangeFinished.connect(disable_autorange)
@@ -532,9 +468,7 @@ class ImageBase(PlotBase):
                 self._color_bar = pg.HistogramLUTItem()
                 self._color_bar.setImageItem(self.layer_manager["main"].image)
                 self._color_bar.gradient.loadPreset(self.config.color_map)
-                self._color_bar.sigLevelsChanged.connect(
-                    lambda: self.setProperty("autorange", False)
-                )
+                self._color_bar.sigLevelsChanged.connect(disable_autorange)
 
             self.plot_widget.addItem(self._color_bar, row=0, col=1)
             self.config.color_bar = style
@@ -633,7 +567,9 @@ class ImageBase(PlotBase):
         """
         # Create ROI plot widgets
         self.x_roi = ImageROIPlot(parent=self)
+        self.x_roi.plot_item.setXLink(self.plot_item)
         self.y_roi = ImageROIPlot(parent=self)
+        self.y_roi.plot_item.setYLink(self.plot_item)
         self.x_roi.apply_theme("dark")
         self.y_roi.apply_theme("dark")
 
@@ -704,7 +640,8 @@ class ImageBase(PlotBase):
         else:
             x = coordinates[1]
             y = coordinates[2]
-        image = self.layer_manager["main"].image.image
+        image_item = self.layer_manager["main"].image
+        image = image_item.image
         if image is None:
             return
         max_row, max_col = image.shape[0] - 1, image.shape[1] - 1
@@ -713,14 +650,27 @@ class ImageBase(PlotBase):
             return
         # Horizontal slice
         h_slice = image[:, col]
-        x_axis = np.arange(h_slice.shape[0])
+        x_pixel_indices = np.arange(h_slice.shape[0])
+        if image_item.image_transform is None:
+            h_world_x = np.arange(h_slice.shape[0])
+        else:
+            h_world_x = [
+                image_item.image_transform.map(xi + 0.5, col + 0.5)[0] for xi in x_pixel_indices
+            ]
         self.x_roi.plot_item.clear()
-        self.x_roi.plot_item.plot(x_axis, h_slice, pen=pg.mkPen(self.x_roi.curve_color, width=3))
+        self.x_roi.plot_item.plot(h_world_x, h_slice, pen=pg.mkPen(self.x_roi.curve_color, width=3))
+
         # Vertical slice
         v_slice = image[row, :]
-        y_axis = np.arange(v_slice.shape[0])
+        y_pixel_indices = np.arange(v_slice.shape[0])
+        if image_item.image_transform is None:
+            v_world_y = np.arange(v_slice.shape[0])
+        else:
+            v_world_y = [
+                image_item.image_transform.map(row + 0.5, yi + 0.5)[1] for yi in y_pixel_indices
+            ]
         self.y_roi.plot_item.clear()
-        self.y_roi.plot_item.plot(v_slice, y_axis, pen=pg.mkPen(self.y_roi.curve_color, width=3))
+        self.y_roi.plot_item.plot(v_slice, v_world_y, pen=pg.mkPen(self.y_roi.curve_color, width=3))
 
     ################################################################################
     # Widget Specific Properties
@@ -827,6 +777,9 @@ class ImageBase(PlotBase):
         Args:
             value(tuple | list | QPointF): The range of values to set.
         """
+        self._set_vrange(value, disable_autorange=True)
+
+    def _set_vrange(self, value: tuple | list | QPointF, disable_autorange: bool = True):
         if isinstance(value, (tuple, list)):
             value = self._tuple_to_qpointf(value)
 
@@ -835,7 +788,7 @@ class ImageBase(PlotBase):
         for layer in self.layer_manager:
             if not layer.sync.v_range:
                 continue
-            layer.image.v_range = (vmin, vmax)
+            layer.image.set_v_range((vmin, vmax), disable_autorange=disable_autorange)
 
         # propagate to colorbar if exists
         if self._color_bar:
@@ -845,7 +798,7 @@ class ImageBase(PlotBase):
                 self._color_bar.setLevels(min=vmin, max=vmax)
                 self._color_bar.setHistogramRange(vmin - 0.1 * vmin, vmax + 0.1 * vmax)
 
-        self.autorange_switch.set_state_all(False)
+        # self.toolbar.components.get_action("image_autorange").set_state_all(False)
 
     @property
     def v_min(self) -> float:
@@ -919,14 +872,27 @@ class ImageBase(PlotBase):
         Args:
             enabled(bool): Whether to enable autorange.
         """
+        self._set_autorange(enabled)
+
+    def _set_autorange(self, enabled: bool, sync: bool = True):
+        """
+        Set the autorange for all layers.
+
+        Args:
+            enabled(bool): Whether to enable autorange.
+            sync(bool): Whether to synchronize the autorange state across all layers.
+        """
+        print(f"Setting autorange to {enabled}")
         for layer in self.layer_manager:
             if not layer.sync.autorange:
                 continue
             layer.image.autorange = enabled
             if enabled and layer.image.raw_data is not None:
                 layer.image.apply_autorange()
+                # if sync:
                 self._sync_colorbar_levels()
         self._sync_autorange_switch()
+        print(f"Autorange set to {enabled}")
 
     @SafeProperty(str)
     def autorange_mode(self) -> str:
@@ -948,6 +914,7 @@ class ImageBase(PlotBase):
         Args:
             mode(str): The autorange mode. Options are "max" or "mean".
         """
+        print(f"Setting autorange mode to {mode}")
         # for qt Designer
         if mode not in ["max", "mean"]:
             return
@@ -969,7 +936,7 @@ class ImageBase(PlotBase):
         """
         if not self.layer_manager:
             return
-
+        print(f"Toggling autorange to {enabled} with mode {mode}")
         for layer in self.layer_manager:
             if layer.sync.autorange:
                 layer.image.autorange = enabled
@@ -981,19 +948,16 @@ class ImageBase(PlotBase):
             # We only need to apply autorange if we enabled it
             layer.image.apply_autorange()
 
-        if enabled:
-            self._sync_colorbar_levels()
+        self._sync_colorbar_levels()
 
     def _sync_autorange_switch(self):
         """
         Synchronize the autorange switch with the current autorange state and mode if changed from outside.
         """
-        self.autorange_switch.block_all_signals(True)
-        self.autorange_switch.set_default_action(
-            f"auto_range_{self.layer_manager['main'].image.autorange_mode}"
-        )
-        self.autorange_switch.set_state_all(self.layer_manager["main"].image.autorange)
-        self.autorange_switch.block_all_signals(False)
+        action: SwitchableToolBarAction = self.toolbar.components.get_action("image_autorange")  # type: ignore
+        with action.signal_blocker():
+            action.set_default_action(f"{self.layer_manager['main'].image.autorange_mode}")
+            action.set_state_all(self.layer_manager["main"].image.autorange)
 
     def _sync_colorbar_levels(self):
         """Immediately propagate current levels to the active colorbar."""
@@ -1009,20 +973,22 @@ class ImageBase(PlotBase):
             total_vrange = (min(total_vrange[0], img.v_min), max(total_vrange[1], img.v_max))
 
         self._color_bar.blockSignals(True)
-        self.v_range = total_vrange  # type: ignore
+        self._set_vrange(total_vrange, disable_autorange=False)  # type: ignore
         self._color_bar.blockSignals(False)
 
     def _sync_colorbar_actions(self):
         """
         Synchronize the colorbar actions with the current colorbar state.
         """
-        self.colorbar_switch.block_all_signals(True)
-        if self._color_bar is not None:
-            self.colorbar_switch.set_default_action(f"{self.config.color_bar}_colorbar")
-            self.colorbar_switch.set_state_all(True)
-        else:
-            self.colorbar_switch.set_state_all(False)
-        self.colorbar_switch.block_all_signals(False)
+        colorbar_switch: SwitchableToolBarAction = self.toolbar.components.get_action(
+            "image_colorbar_switch"
+        )
+        with colorbar_switch.signal_blocker():
+            if self._color_bar is not None:
+                colorbar_switch.set_default_action(f"{self.config.color_bar}_colorbar")
+                colorbar_switch.set_state_all(True)
+            else:
+                colorbar_switch.set_state_all(False)
 
     @staticmethod
     def cleanup_histogram_lut_item(histogram_lut_item: pg.HistogramLUTItem):

bec_widgets/widgets/plots/image/image_item.py

@@ -7,6 +7,7 @@ import pyqtgraph as pg
 from bec_lib.logger import bec_logger
 from pydantic import Field, ValidationError, field_validator
 from qtpy.QtCore import Signal
+from qtpy.QtGui import QTransform
 
 from bec_widgets.utils import BECConnector, Colors, ConnectionConfig
 from bec_widgets.widgets.plots.image.image_processor import (
@@ -85,6 +86,7 @@ class ImageItem(BECConnector, pg.ImageItem):
             self.set_parent(parent_image)
         else:
             self.parent_image = None
+        self.image_transform = None
         super().__init__(config=config, gui_id=gui_id, **kwargs)
 
         self.raw_data = None
@@ -100,8 +102,9 @@ class ImageItem(BECConnector, pg.ImageItem):
     def parent(self):
         return self.parent_image
 
-    def set_data(self, data: np.ndarray):
+    def set_data(self, data: np.ndarray, transform: QTransform | None = None):
         self.raw_data = data
+        self.image_transform = transform
         self._process_image()
 
     ################################################################################
@@ -210,12 +213,19 @@ class ImageItem(BECConnector, pg.ImageItem):
         """
         Reprocess the current raw data and update the image display.
         """
-        if self.raw_data is not None:
-            autorange = self.config.autorange
-            self._image_processor.set_config(self.config.processing)
-            processed_data = self._image_processor.process_image(self.raw_data)
-            self.setImage(processed_data, autoLevels=False)
-            self.autorange = autorange
+        if self.raw_data is None:
+            return
+
+        if np.all(np.isnan(self.raw_data)):
+            return
+
+        autorange = self.config.autorange
+        self._image_processor.set_config(self.config.processing)
+        processed_data = self._image_processor.process_image(self.raw_data)
+        self.setImage(processed_data, autoLevels=False)
+        if self.image_transform is not None:
+            self.setTransform(self.image_transform)
+        self.autorange = autorange
 
     @property
     def fft(self) -> bool:

bec_widgets/widgets/plots/image/image_processor.py

@@ -27,7 +27,12 @@ class ImageStats:
         Returns:
             ImageStats: The statistics of the image data.
         """
-        return cls(maximum=np.max(data), minimum=np.min(data), mean=np.mean(data), std=np.std(data))
+        return cls(
+            maximum=np.nanmax(data),
+            minimum=np.nanmin(data),
+            mean=np.nanmean(data),
+            std=np.nanstd(data),
+        )
 
 
 # noinspection PyDataclass
@@ -81,7 +86,7 @@ class ImageProcessor(QObject):
         Returns:
             np.ndarray: The processed data.
         """
-        return np.abs(np.fft.fftshift(np.fft.fft2(data)))
+        return np.abs(np.fft.fftshift(np.fft.fft2(np.nan_to_num(data))))
 
     def rotation(self, data: np.ndarray, rotate_90: int) -> np.ndarray:
         """

bec_widgets/widgets/plots/image/setting_widgets/image_roi_tree.py

@@ -20,7 +20,9 @@ from qtpy.QtWidgets import (
 
 from bec_widgets import BECWidget
 from bec_widgets.utils import BECDispatcher, ConnectionConfig
-from bec_widgets.utils.toolbar import MaterialIconAction, ModularToolBar
+from bec_widgets.utils.toolbars.actions import WidgetAction
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
+from bec_widgets.utils.toolbars.toolbar import MaterialIconAction, ModularToolBar
 from bec_widgets.widgets.plots.roi.image_roi import (
     BaseROI,
     CircularROI,
@@ -121,20 +123,33 @@ class ROIPropertyTree(BECWidget, QWidget):
 
     # --------------------------------------------------------------------- UI
     def _init_toolbar(self):
-        tb = ModularToolBar(self, self, orientation="horizontal")
+        tb = self.toolbar = ModularToolBar(self, orientation="horizontal")
         self._draw_actions: dict[str, MaterialIconAction] = {}
         # --- ROI draw actions (toggleable) ---
-        self.add_rect_action = MaterialIconAction("add_box", "Add Rect ROI", True, self)
-        tb.add_action("Add Rect ROI", self.add_rect_action, self)
-        self._draw_actions["rect"] = self.add_rect_action
-        self.add_circle_action = MaterialIconAction("add_circle", "Add Circle ROI", True, self)
-        tb.add_action("Add Circle ROI", self.add_circle_action, self)
-        self._draw_actions["circle"] = self.add_circle_action
-        # --- Ellipse ROI draw action ---
-        self.add_ellipse_action = MaterialIconAction("vignette", "Add Ellipse ROI", True, self)
-        tb.add_action("Add Ellipse ROI", self.add_ellipse_action, self)
-        self._draw_actions["ellipse"] = self.add_ellipse_action
 
+        tb.components.add_safe(
+            "roi_rectangle",
+            MaterialIconAction("add_box", "Add Rect ROI", checkable=True, parent=self),
+        )
+        tb.components.add_safe(
+            "roi_circle",
+            MaterialIconAction("add_circle", "Add Circle ROI", checkable=True, parent=self),
+        )
+        tb.components.add_safe(
+            "roi_ellipse",
+            MaterialIconAction("vignette", "Add Ellipse ROI", checkable=True, parent=self),
+        )
+        bundle = ToolbarBundle("roi_draw", tb.components)
+        bundle.add_action("roi_rectangle")
+        bundle.add_action("roi_circle")
+        bundle.add_action("roi_ellipse")
+        tb.add_bundle(bundle)
+
+        self._draw_actions = {
+            "rect": tb.components.get_action("roi_rectangle"),
+            "circle": tb.components.get_action("roi_circle"),
+            "ellipse": tb.components.get_action("roi_ellipse"),
+        }
         for mode, act in self._draw_actions.items():
             act.action.toggled.connect(lambda on, m=mode: self._on_draw_action_toggled(m, on))
 
@@ -142,7 +157,7 @@ class ROIPropertyTree(BECWidget, QWidget):
         self.expand_toggle = MaterialIconAction(
             "unfold_more", "Expand/Collapse", checkable=True, parent=self  # icon when collapsed
         )
-        tb.add_action("Expand/Collapse", self.expand_toggle, self)
+        tb.components.add_safe("expand_toggle", self.expand_toggle)
 
         def _exp_toggled(on: bool):
             if on:
@@ -163,7 +178,7 @@ class ROIPropertyTree(BECWidget, QWidget):
         self.lock_all_action = MaterialIconAction(
             "lock_open_right", "Lock/Unlock all ROIs", checkable=True, parent=self
         )
-        tb.add_action("Lock/Unlock all ROIs", self.lock_all_action, self)
+        tb.components.add_safe("lock_unlock_all", self.lock_all_action)
 
         def _lock_all(checked: bool):
             # checked -> everything locked (movable = False)
@@ -178,12 +193,23 @@ class ROIPropertyTree(BECWidget, QWidget):
 
         # colormap widget
         self.cmap = BECColorMapWidget(cmap=self.controller.colormap)
-        tb.addWidget(QWidget())  # spacer
-        tb.addWidget(self.cmap)
+
+        tb.components.add_safe("roi_tree_spacer", WidgetAction(widget=QWidget()))
+        tb.components.add_safe("roi_tree_cmap", WidgetAction(widget=self.cmap))
+
         self.cmap.colormap_changed_signal.connect(self.controller.set_colormap)
         self.layout.addWidget(tb)
         self.controller.paletteChanged.connect(lambda cmap: setattr(self.cmap, "colormap", cmap))
 
+        bundle = ToolbarBundle("roi_tools", tb.components)
+        bundle.add_action("expand_toggle")
+        bundle.add_action("lock_unlock_all")
+        bundle.add_action("roi_tree_spacer")
+        bundle.add_action("roi_tree_cmap")
+        tb.add_bundle(bundle)
+
+        tb.show_bundles(["roi_draw", "roi_tools"])
+
         # ROI drawing state
         self._roi_draw_mode = None  # 'rect' | 'circle' | 'ellipse' | None
         self._roi_start_pos = None  # QPointF in image coords
@@ -337,7 +363,9 @@ class ROIPropertyTree(BECWidget, QWidget):
         # color button
         color_btn = ColorButtonNative(parent=self, color=roi.line_color)
         self.tree.setItemWidget(parent, self.COL_PROPS, color_btn)
-        color_btn.clicked.connect(lambda: self._pick_color(roi, color_btn))
+        color_btn.color_changed.connect(
+            lambda new_color, r=roi: setattr(r, "line_color", new_color)
+        )
 
         # child rows (3 columns: action, ROI, properties)
         QTreeWidgetItem(parent, ["", "Type", roi.__class__.__name__])

bec_widgets/widgets/plots/image/toolbar_bundles/image_selection.py

@@ -1,107 +0,0 @@
-from bec_lib.device import ReadoutPriority
-from qtpy.QtCore import Qt, QTimer
-from qtpy.QtWidgets import QComboBox, QStyledItemDelegate
-
-from bec_widgets.utils.error_popups import SafeSlot
-from bec_widgets.utils.toolbar import ToolbarBundle, WidgetAction
-from bec_widgets.widgets.control.device_input.base_classes.device_input_base import BECDeviceFilter
-from bec_widgets.widgets.control.device_input.device_combobox.device_combobox import DeviceComboBox
-
-
-class NoCheckDelegate(QStyledItemDelegate):
-    """To reduce space in combo boxes by removing the checkmark."""
-
-    def initStyleOption(self, option, index):
-        super().initStyleOption(option, index)
-        # Remove any check indicator
-        option.checkState = Qt.Unchecked
-
-
-class MonitorSelectionToolbarBundle(ToolbarBundle):
-    """
-    A bundle of actions for a toolbar that controls monitor selection on a plot.
-    """
-
-    def __init__(self, bundle_id="device_selection", target_widget=None, **kwargs):
-        super().__init__(bundle_id=bundle_id, actions=[], **kwargs)
-        self.target_widget = target_widget
-
-        # 1) Device combo box
-        self.device_combo_box = DeviceComboBox(
-            parent=self.target_widget,
-            device_filter=BECDeviceFilter.DEVICE,
-            readout_priority_filter=[ReadoutPriority.ASYNC],
-        )
-        self.device_combo_box.addItem("", None)
-        self.device_combo_box.setCurrentText("")
-        self.device_combo_box.setToolTip("Select Device")
-        self.device_combo_box.setFixedWidth(150)
-        self.device_combo_box.setItemDelegate(NoCheckDelegate(self.device_combo_box))
-
-        self.add_action("monitor", WidgetAction(widget=self.device_combo_box, adjust_size=False))
-
-        # 2) Dimension combo box
-        self.dim_combo_box = QComboBox(parent=self.target_widget)
-        self.dim_combo_box.addItems(["auto", "1d", "2d"])
-        self.dim_combo_box.setCurrentText("auto")
-        self.dim_combo_box.setToolTip("Monitor Dimension")
-        self.dim_combo_box.setFixedWidth(100)
-        self.dim_combo_box.setItemDelegate(NoCheckDelegate(self.dim_combo_box))
-
-        self.add_action("dim_combo", WidgetAction(widget=self.dim_combo_box, adjust_size=False))
-
-        self.device_combo_box.currentTextChanged.connect(self.connect_monitor)
-        self.dim_combo_box.currentTextChanged.connect(self.connect_monitor)
-
-        QTimer.singleShot(0, self._adjust_and_connect)
-
-    def _adjust_and_connect(self):
-        """
-        Adjust the size of the device combo box and populate it with preview signals.
-        Has to be done with QTimer.singleShot to ensure the UI is fully initialized, needed for testing.
-        """
-        self._populate_preview_signals()
-        self._reverse_device_items()
-        self.device_combo_box.setCurrentText("")  # set again default to empty string
-
-    def _populate_preview_signals(self) -> None:
-        """
-        Populate the device combo box with preview‑signal devices in the
-        format '<device>_<signal>' and store the tuple(device, signal) in
-        the item's userData for later use.
-        """
-        preview_signals = self.target_widget.client.device_manager.get_bec_signals("PreviewSignal")
-        for device, signal, signal_config in preview_signals:
-            label = signal_config.get("obj_name", f"{device}_{signal}")
-            self.device_combo_box.addItem(label, (device, signal, signal_config))
-
-    def _reverse_device_items(self) -> None:
-        """
-        Reverse the current order of items in the device combo box while
-        keeping their userData and restoring the previous selection.
-        """
-        current_text = self.device_combo_box.currentText()
-        items = [
-            (self.device_combo_box.itemText(i), self.device_combo_box.itemData(i))
-            for i in range(self.device_combo_box.count())
-        ]
-        self.device_combo_box.clear()
-        for text, data in reversed(items):
-            self.device_combo_box.addItem(text, data)
-        if current_text:
-            self.device_combo_box.setCurrentText(current_text)
-
-    @SafeSlot()
-    def connect_monitor(self, *args, **kwargs):
-        """
-        Connect the target widget to the selected monitor based on the current device and dimension.
-
-        If the selected device is a preview-signal device, it will use the tuple (device, signal) as the monitor.
-        """
-        dim = self.dim_combo_box.currentText()
-        data = self.device_combo_box.currentData()
-
-        if isinstance(data, tuple):
-            self.target_widget.image(monitor=data, monitor_type="auto")
-        else:
-            self.target_widget.image(monitor=self.device_combo_box.currentText(), monitor_type=dim)

bec_widgets/widgets/plots/image/toolbar_bundles/processing.py

@@ -1,92 +0,0 @@
-from bec_widgets.utils.error_popups import SafeSlot
-from bec_widgets.utils.toolbar import MaterialIconAction, ToolbarBundle
-
-
-class ImageProcessingToolbarBundle(ToolbarBundle):
-    """
-    A bundle of actions for a toolbar that controls processing of monitor.
-    """
-
-    def __init__(self, bundle_id="mouse_interaction", target_widget=None, **kwargs):
-        super().__init__(bundle_id=bundle_id, actions=[], **kwargs)
-        self.target_widget = target_widget
-
-        self.fft = MaterialIconAction(
-            icon_name="fft", tooltip="Toggle FFT", checkable=True, parent=self.target_widget
-        )
-        self.log = MaterialIconAction(
-            icon_name="log_scale", tooltip="Toggle Log", checkable=True, parent=self.target_widget
-        )
-        self.transpose = MaterialIconAction(
-            icon_name="transform",
-            tooltip="Transpose Image",
-            checkable=True,
-            parent=self.target_widget,
-        )
-        self.right = MaterialIconAction(
-            icon_name="rotate_right",
-            tooltip="Rotate image clockwise by 90 deg",
-            parent=self.target_widget,
-        )
-        self.left = MaterialIconAction(
-            icon_name="rotate_left",
-            tooltip="Rotate image counterclockwise by 90 deg",
-            parent=self.target_widget,
-        )
-        self.reset = MaterialIconAction(
-            icon_name="reset_settings", tooltip="Reset Image Settings", parent=self.target_widget
-        )
-
-        self.add_action("fft", self.fft)
-        self.add_action("log", self.log)
-        self.add_action("transpose", self.transpose)
-        self.add_action("rotate_right", self.right)
-        self.add_action("rotate_left", self.left)
-        self.add_action("reset", self.reset)
-
-        self.fft.action.triggered.connect(self.toggle_fft)
-        self.log.action.triggered.connect(self.toggle_log)
-        self.transpose.action.triggered.connect(self.toggle_transpose)
-        self.right.action.triggered.connect(self.rotate_right)
-        self.left.action.triggered.connect(self.rotate_left)
-        self.reset.action.triggered.connect(self.reset_settings)
-
-    @SafeSlot()
-    def toggle_fft(self):
-        checked = self.fft.action.isChecked()
-        self.target_widget.fft = checked
-
-    @SafeSlot()
-    def toggle_log(self):
-        checked = self.log.action.isChecked()
-        self.target_widget.log = checked
-
-    @SafeSlot()
-    def toggle_transpose(self):
-        checked = self.transpose.action.isChecked()
-        self.target_widget.transpose = checked
-
-    @SafeSlot()
-    def rotate_right(self):
-        if self.target_widget.num_rotation_90 is None:
-            return
-        rotation = (self.target_widget.num_rotation_90 - 1) % 4
-        self.target_widget.num_rotation_90 = rotation
-
-    @SafeSlot()
-    def rotate_left(self):
-        if self.target_widget.num_rotation_90 is None:
-            return
-        rotation = (self.target_widget.num_rotation_90 + 1) % 4
-        self.target_widget.num_rotation_90 = rotation
-
-    @SafeSlot()
-    def reset_settings(self):
-        self.target_widget.fft = False
-        self.target_widget.log = False
-        self.target_widget.transpose = False
-        self.target_widget.num_rotation_90 = 0
-
-        self.fft.action.setChecked(False)
-        self.log.action.setChecked(False)
-        self.transpose.action.setChecked(False)

bec_widgets/widgets/plots/image/toolbar_components/image_base_actions.py

@@ -0,0 +1,390 @@
+from __future__ import annotations
+
+from bec_widgets.utils.error_popups import SafeSlot
+from bec_widgets.utils.toolbars.actions import MaterialIconAction, SwitchableToolBarAction
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle, ToolbarComponents
+from bec_widgets.utils.toolbars.connections import BundleConnection
+
+
+def image_roi_bundle(components: ToolbarComponents) -> ToolbarBundle:
+    """
+    Creates a toolbar bundle for ROI and crosshair interaction.
+
+    Args:
+        components (ToolbarComponents): The components to be added to the bundle.
+
+    Returns:
+        ToolbarBundle: The ROI toolbar bundle.
+    """
+    components.add_safe(
+        "image_crosshair",
+        MaterialIconAction(
+            icon_name="point_scan",
+            tooltip="Show Crosshair",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "image_crosshair_roi",
+        MaterialIconAction(
+            icon_name="my_location",
+            tooltip="Show Crosshair with ROI plots",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "image_switch_crosshair",
+        SwitchableToolBarAction(
+            actions={
+                "crosshair": components.get_action_reference("image_crosshair")(),
+                "crosshair_roi": components.get_action_reference("image_crosshair_roi")(),
+            },
+            initial_action="crosshair",
+            tooltip="Crosshair",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    bundle = ToolbarBundle("image_crosshair", components)
+    bundle.add_action("image_switch_crosshair")
+    return bundle
+
+
+class ImageRoiConnection(BundleConnection):
+    """
+    Connection class for the ROI toolbar bundle.
+    """
+
+    def __init__(self, components: ToolbarComponents, target_widget=None):
+        self.bundle_name = "roi"
+        self.components = components
+        self.target_widget = target_widget
+        if not hasattr(self.target_widget, "toggle_roi_panels") or not hasattr(
+            self.target_widget, "toggle_crosshair"
+        ):
+            raise AttributeError(
+                "Target widget must implement 'toggle_roi_panels' and 'toggle_crosshair'."
+            )
+        super().__init__()
+        self._connected = False
+
+    def connect(self):
+        self._connected = True
+        # Connect the action to the target widget's method
+        self.components.get_action("image_crosshair").action.toggled.connect(
+            self.target_widget.toggle_crosshair
+        )
+        self.components.get_action("image_crosshair_roi").action.triggered.connect(
+            self.target_widget.toggle_roi_panels
+        )
+
+    def disconnect(self):
+        if not self._connected:
+            return
+        # Disconnect the action from the target widget's method
+        self.components.get_action("image_crosshair").action.toggled.disconnect(
+            self.target_widget.toggle_crosshair
+        )
+        self.components.get_action("image_crosshair_roi").action.triggered.disconnect(
+            self.target_widget.toggle_roi_panels
+        )
+
+
+def image_autorange(components: ToolbarComponents) -> ToolbarBundle:
+    """
+    Creates a toolbar bundle for image autorange functionality.
+
+    Args:
+        components (ToolbarComponents): The components to be added to the bundle.
+
+    Returns:
+        ToolbarBundle: The autorange toolbar bundle.
+    """
+    components.add_safe(
+        "image_autorange_mean",
+        MaterialIconAction(
+            icon_name="hdr_auto",
+            tooltip="Enable Auto Range (Mean)",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "image_autorange_max",
+        MaterialIconAction(
+            icon_name="hdr_auto",
+            tooltip="Enable Auto Range (Max)",
+            checkable=True,
+            parent=components.toolbar,
+            filled=True,
+        ),
+    )
+    components.add_safe(
+        "image_autorange",
+        SwitchableToolBarAction(
+            actions={
+                "mean": components.get_action_reference("image_autorange_mean")(),
+                "max": components.get_action_reference("image_autorange_max")(),
+            },
+            initial_action="mean",
+            tooltip="Autorange",
+            checkable=True,
+            parent=components.toolbar,
+            default_state_checked=True,
+        ),
+    )
+    bundle = ToolbarBundle("image_autorange", components)
+    bundle.add_action("image_autorange")
+    return bundle
+
+
+def image_colorbar(components: ToolbarComponents) -> ToolbarBundle:
+    """
+    Creates a toolbar bundle for image colorbar functionality.
+
+    Args:
+        components (ToolbarComponents): The components to be added to the bundle.
+
+    Returns:
+        ToolbarBundle: The colorbar toolbar bundle.
+    """
+    components.add_safe(
+        "image_full_colorbar",
+        MaterialIconAction(
+            icon_name="edgesensor_low",
+            tooltip="Enable Full Colorbar",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "image_simple_colorbar",
+        MaterialIconAction(
+            icon_name="smartphone",
+            tooltip="Enable Simple Colorbar",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "image_colorbar_switch",
+        SwitchableToolBarAction(
+            actions={
+                "full_colorbar": components.get_action_reference("image_full_colorbar")(),
+                "simple_colorbar": components.get_action_reference("image_simple_colorbar")(),
+            },
+            initial_action="full_colorbar",
+            tooltip="Colorbar",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    bundle = ToolbarBundle("image_colorbar", components)
+    bundle.add_action("image_colorbar_switch")
+    return bundle
+
+
+class ImageColorbarConnection(BundleConnection):
+    """
+    Connection class for the image colorbar toolbar bundle.
+    """
+
+    def __init__(self, components: ToolbarComponents, target_widget=None):
+        self.bundle_name = "image_colorbar"
+        self.components = components
+        self.target_widget = target_widget
+        if not hasattr(self.target_widget, "enable_colorbar"):
+            raise AttributeError("Target widget must implement 'enable_colorbar' method.")
+        super().__init__()
+        self._connected = False
+
+    def _enable_full_colorbar(self, checked: bool):
+        """
+        Enable or disable the full colorbar based on the checked state.
+        """
+        self.target_widget.enable_colorbar(checked, style="full")
+
+    def _enable_simple_colorbar(self, checked: bool):
+        """
+        Enable or disable the simple colorbar based on the checked state.
+        """
+        self.target_widget.enable_colorbar(checked, style="simple")
+
+    def connect(self):
+        self._connected = True
+        # Connect the action to the target widget's method
+        self.components.get_action("image_full_colorbar").action.toggled.connect(
+            self._enable_full_colorbar
+        )
+        self.components.get_action("image_simple_colorbar").action.toggled.connect(
+            self._enable_simple_colorbar
+        )
+
+    def disconnect(self):
+        if not self._connected:
+            return
+        # Disconnect the action from the target widget's method
+        self.components.get_action("image_full_colorbar").action.toggled.disconnect(
+            self._enable_full_colorbar
+        )
+        self.components.get_action("image_simple_colorbar").action.toggled.disconnect(
+            self._enable_simple_colorbar
+        )
+
+
+def image_processing(components: ToolbarComponents) -> ToolbarBundle:
+    """
+    Creates a toolbar bundle for image processing functionality.
+
+    Args:
+        components (ToolbarComponents): The components to be added to the bundle.
+
+    Returns:
+        ToolbarBundle: The image processing toolbar bundle.
+    """
+    components.add_safe(
+        "image_processing_fft",
+        MaterialIconAction(
+            icon_name="fft", tooltip="Toggle FFT", checkable=True, parent=components.toolbar
+        ),
+    )
+    components.add_safe(
+        "image_processing_log",
+        MaterialIconAction(
+            icon_name="log_scale", tooltip="Toggle Log", checkable=True, parent=components.toolbar
+        ),
+    )
+    components.add_safe(
+        "image_processing_transpose",
+        MaterialIconAction(
+            icon_name="transform",
+            tooltip="Transpose Image",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "image_processing_rotate_right",
+        MaterialIconAction(
+            icon_name="rotate_right",
+            tooltip="Rotate image clockwise by 90 deg",
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "image_processing_rotate_left",
+        MaterialIconAction(
+            icon_name="rotate_left",
+            tooltip="Rotate image counterclockwise by 90 deg",
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "image_processing_reset",
+        MaterialIconAction(
+            icon_name="reset_settings", tooltip="Reset Image Settings", parent=components.toolbar
+        ),
+    )
+    bundle = ToolbarBundle("image_processing", components)
+    bundle.add_action("image_processing_fft")
+    bundle.add_action("image_processing_log")
+    bundle.add_action("image_processing_transpose")
+    bundle.add_action("image_processing_rotate_right")
+    bundle.add_action("image_processing_rotate_left")
+    bundle.add_action("image_processing_reset")
+    return bundle
+
+
+class ImageProcessingConnection(BundleConnection):
+    """
+    Connection class for the image processing toolbar bundle.
+    """
+
+    def __init__(self, components: ToolbarComponents, target_widget=None):
+        self.bundle_name = "image_processing"
+        self.components = components
+        self.target_widget = target_widget
+        if (
+            not hasattr(self.target_widget, "fft")
+            or not hasattr(self.target_widget, "log")
+            or not hasattr(self.target_widget, "transpose")
+            or not hasattr(self.target_widget, "num_rotation_90")
+        ):
+            raise AttributeError(
+                "Target widget must implement 'fft', 'log', 'transpose', and 'num_rotation_90' attributes."
+            )
+        super().__init__()
+        self.fft = components.get_action("image_processing_fft")
+        self.log = components.get_action("image_processing_log")
+        self.transpose = components.get_action("image_processing_transpose")
+        self.right = components.get_action("image_processing_rotate_right")
+        self.left = components.get_action("image_processing_rotate_left")
+        self.reset = components.get_action("image_processing_reset")
+        self._connected = False
+
+    @SafeSlot()
+    def toggle_fft(self):
+        checked = self.fft.action.isChecked()
+        self.target_widget.fft = checked
+
+    @SafeSlot()
+    def toggle_log(self):
+        checked = self.log.action.isChecked()
+        self.target_widget.log = checked
+
+    @SafeSlot()
+    def toggle_transpose(self):
+        checked = self.transpose.action.isChecked()
+        self.target_widget.transpose = checked
+
+    @SafeSlot()
+    def rotate_right(self):
+        if self.target_widget.num_rotation_90 is None:
+            return
+        rotation = (self.target_widget.num_rotation_90 - 1) % 4
+        self.target_widget.num_rotation_90 = rotation
+
+    @SafeSlot()
+    def rotate_left(self):
+        if self.target_widget.num_rotation_90 is None:
+            return
+        rotation = (self.target_widget.num_rotation_90 + 1) % 4
+        self.target_widget.num_rotation_90 = rotation
+
+    @SafeSlot()
+    def reset_settings(self):
+        self.target_widget.fft = False
+        self.target_widget.log = False
+        self.target_widget.transpose = False
+        self.target_widget.num_rotation_90 = 0
+
+        self.fft.action.setChecked(False)
+        self.log.action.setChecked(False)
+        self.transpose.action.setChecked(False)
+
+    def connect(self):
+        """
+        Connect the actions to the target widget's methods.
+        """
+        self._connected = True
+        self.fft.action.triggered.connect(self.toggle_fft)
+        self.log.action.triggered.connect(self.toggle_log)
+        self.transpose.action.triggered.connect(self.toggle_transpose)
+        self.right.action.triggered.connect(self.rotate_right)
+        self.left.action.triggered.connect(self.rotate_left)
+        self.reset.action.triggered.connect(self.reset_settings)
+
+    def disconnect(self):
+        """
+        Disconnect the actions from the target widget's methods.
+        """
+        if not self._connected:
+            return
+        self.fft.action.triggered.disconnect(self.toggle_fft)
+        self.log.action.triggered.disconnect(self.toggle_log)
+        self.transpose.action.triggered.disconnect(self.toggle_transpose)
+        self.right.action.triggered.disconnect(self.rotate_right)
+        self.left.action.triggered.disconnect(self.rotate_left)
+        self.reset.action.triggered.disconnect(self.reset_settings)

bec_widgets/widgets/plots/motor_map/motor_map.py

@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-import numpy as np
 import pyqtgraph as pg
 from bec_lib import bec_logger
 from bec_lib.endpoints import MessageEndpoints
@@ -15,12 +14,12 @@ from bec_widgets.utils import Colors, ConnectionConfig
 from bec_widgets.utils.colors import set_theme
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
 from bec_widgets.utils.settings_dialog import SettingsDialog
-from bec_widgets.utils.toolbar import MaterialIconAction
+from bec_widgets.utils.toolbars.toolbar import MaterialIconAction
 from bec_widgets.widgets.plots.motor_map.settings.motor_map_settings import MotorMapSettings
-from bec_widgets.widgets.plots.motor_map.toolbar_bundles.motor_selection import (
-    MotorSelectionToolbarBundle,
+from bec_widgets.widgets.plots.motor_map.toolbar_components.motor_selection import (
+    MotorSelectionAction,
 )
-from bec_widgets.widgets.plots.plot_base import PlotBase
+from bec_widgets.widgets.plots.plot_base import PlotBase, UIMode
 
 logger = bec_logger.logger
 
@@ -182,33 +181,60 @@ class MotorMap(PlotBase):
         self.proxy_update_plot = pg.SignalProxy(
             self.update_signal, rateLimit=25, slot=self._update_plot
         )
+        self._init_motor_map_toolbar()
         self._add_motor_map_settings()
 
     ################################################################################
     # Widget Specific GUI interactions
     ################################################################################
 
-    def _init_toolbar(self):
+    def _init_motor_map_toolbar(self):
         """
         Initialize the toolbar for the motor map widget.
         """
-        self.motor_selection_bundle = MotorSelectionToolbarBundle(
-            bundle_id="motor_selection", target_widget=self
-        )
-        self.toolbar.add_bundle(self.motor_selection_bundle, target_widget=self)
-        super()._init_toolbar()
-        self.toolbar.widgets["reset_legend"].action.setVisible(False)
+        motor_selection = MotorSelectionAction(parent=self)
+        self.toolbar.add_action("motor_selection", motor_selection)
 
-        self.reset_legend_action = MaterialIconAction(
-            icon_name="history", tooltip="Reset the position of legend."
+        motor_selection.motor_x.currentTextChanged.connect(self.on_motor_selection_changed)
+        motor_selection.motor_y.currentTextChanged.connect(self.on_motor_selection_changed)
+
+        self.toolbar.components.get_action("reset_legend").action.setVisible(False)
+
+        reset_legend = MaterialIconAction(
+            icon_name="history",
+            tooltip="Reset the position of legend.",
+            checkable=False,
+            parent=self,
         )
-        self.toolbar.add_action_to_bundle(
-            bundle_id="roi",
-            action_id="motor_map_history",
-            action=self.reset_legend_action,
-            target_widget=self,
+        self.toolbar.components.add_safe("reset_motor_map_legend", reset_legend)
+        self.toolbar.get_bundle("roi").add_action("reset_motor_map_legend")
+        reset_legend.action.triggered.connect(self.reset_history)
+
+        settings_brightness = MaterialIconAction(
+            icon_name="settings_brightness",
+            tooltip="Show Motor Map Settings",
+            checkable=True,
+            parent=self,
         )
-        self.reset_legend_action.action.triggered.connect(self.reset_history)
+        self.toolbar.components.add_safe("motor_map_settings", settings_brightness)
+        self.toolbar.get_bundle("axis_popup").add_action("motor_map_settings")
+
+        settings_brightness.action.triggered.connect(self.show_motor_map_settings)
+
+        bundles = ["motor_selection", "plot_export", "mouse_interaction", "roi"]
+        if self.ui_mode == UIMode.POPUP:
+            bundles.append("axis_popup")
+        self.toolbar.show_bundles(bundles)
+
+    @SafeSlot()
+    def on_motor_selection_changed(self, _):
+        action: MotorSelectionAction = self.toolbar.components.get_action("motor_selection")
+        motor_x = action.motor_x.currentText()
+        motor_y = action.motor_y.currentText()
+
+        if motor_x != "" and motor_y != "":
+            if motor_x != self.config.x_motor.name or motor_y != self.config.y_motor.name:
+                self.map(motor_x, motor_y)
 
     def _add_motor_map_settings(self):
         """Add the motor map settings to the side panel."""
@@ -221,32 +247,11 @@ class MotorMap(PlotBase):
             title="Motor Map Settings",
         )
 
-    def add_popups(self):
-        """
-        Add popups to the ScatterWaveform widget.
-        """
-        super().add_popups()
-        scatter_curve_setting_action = MaterialIconAction(
-            icon_name="settings_brightness",
-            tooltip="Show Motor Map Settings",
-            checkable=True,
-            parent=self,
-        )
-        self.toolbar.add_action_to_bundle(
-            bundle_id="popup_bundle",
-            action_id="motor_map_settings",
-            action=scatter_curve_setting_action,
-            target_widget=self,
-        )
-        self.toolbar.widgets["motor_map_settings"].action.triggered.connect(
-            self.show_motor_map_settings
-        )
-
     def show_motor_map_settings(self):
         """
         Show the DAP summary popup.
         """
-        action = self.toolbar.widgets["motor_map_settings"].action
+        action = self.toolbar.components.get_action("motor_map_settings").action
         if self.motor_map_settings is None or not self.motor_map_settings.isVisible():
             motor_map_settings = MotorMapSettings(parent=self, target_widget=self, popup=True)
             self.motor_map_settings = SettingsDialog(
@@ -272,7 +277,7 @@ class MotorMap(PlotBase):
         """
         self.motor_map_settings.deleteLater()
         self.motor_map_settings = None
-        self.toolbar.widgets["motor_map_settings"].action.setChecked(False)
+        self.toolbar.components.get_action("motor_map_settings").action.setChecked(False)
 
     ################################################################################
     # Widget Specific Properties
@@ -766,20 +771,21 @@ class MotorMap(PlotBase):
         """
         Sync the motor map selection toolbar with the current motor map.
         """
-        if self.motor_selection_bundle is not None:
-            motor_x = self.motor_selection_bundle.motor_x.currentText()
-            motor_y = self.motor_selection_bundle.motor_y.currentText()
+        motor_selection = self.toolbar.components.get_action("motor_selection")
 
-            if motor_x != self.config.x_motor.name:
-                self.motor_selection_bundle.motor_x.blockSignals(True)
-                self.motor_selection_bundle.motor_x.set_device(self.config.x_motor.name)
-                self.motor_selection_bundle.motor_x.check_validity(self.config.x_motor.name)
-                self.motor_selection_bundle.motor_x.blockSignals(False)
-            if motor_y != self.config.y_motor.name:
-                self.motor_selection_bundle.motor_y.blockSignals(True)
-                self.motor_selection_bundle.motor_y.set_device(self.config.y_motor.name)
-                self.motor_selection_bundle.motor_y.check_validity(self.config.y_motor.name)
-                self.motor_selection_bundle.motor_y.blockSignals(False)
+        motor_x = motor_selection.motor_x.currentText()
+        motor_y = motor_selection.motor_y.currentText()
+
+        if motor_x != self.config.x_motor.name:
+            motor_selection.motor_x.blockSignals(True)
+            motor_selection.motor_x.set_device(self.config.x_motor.name)
+            motor_selection.motor_x.check_validity(self.config.x_motor.name)
+            motor_selection.motor_x.blockSignals(False)
+        if motor_y != self.config.y_motor.name:
+            motor_selection.motor_y.blockSignals(True)
+            motor_selection.motor_y.set_device(self.config.y_motor.name)
+            motor_selection.motor_y.check_validity(self.config.y_motor.name)
+            motor_selection.motor_y.blockSignals(False)
 
     ################################################################################
     # Export Methods
@@ -795,10 +801,6 @@ class MotorMap(PlotBase):
         data = {"x": self._buffer["x"], "y": self._buffer["y"]}
         return data
 
-    def cleanup(self):
-        self.motor_selection_bundle.cleanup()
-        super().cleanup()
-
 
 class DemoApp(QMainWindow):  # pragma: no cover
     def __init__(self):

bec_widgets/widgets/plots/motor_map/toolbar_bundles/motor_selection.py

@@ -1,70 +0,0 @@
-from bec_lib.device import ReadoutPriority
-from qtpy.QtCore import Qt
-from qtpy.QtWidgets import QStyledItemDelegate
-
-from bec_widgets.utils.error_popups import SafeSlot
-from bec_widgets.utils.toolbar import ToolbarBundle, WidgetAction
-from bec_widgets.widgets.control.device_input.base_classes.device_input_base import BECDeviceFilter
-from bec_widgets.widgets.control.device_input.device_combobox.device_combobox import DeviceComboBox
-
-
-class NoCheckDelegate(QStyledItemDelegate):
-    """To reduce space in combo boxes by removing the checkmark."""
-
-    def initStyleOption(self, option, index):
-        super().initStyleOption(option, index)
-        # Remove any check indicator
-        option.checkState = Qt.Unchecked
-
-
-class MotorSelectionToolbarBundle(ToolbarBundle):
-    """
-    A bundle of actions for a toolbar that selects motors.
-    """
-
-    def __init__(self, bundle_id="motor_selection", target_widget=None, **kwargs):
-        super().__init__(bundle_id=bundle_id, actions=[], **kwargs)
-        self.target_widget = target_widget
-
-        # Motor X
-        self.motor_x = DeviceComboBox(
-            parent=self.target_widget, device_filter=[BECDeviceFilter.POSITIONER]
-        )
-        self.motor_x.addItem("", None)
-        self.motor_x.setCurrentText("")
-        self.motor_x.setToolTip("Select Motor X")
-        self.motor_x.setItemDelegate(NoCheckDelegate(self.motor_x))
-
-        # Motor X
-        self.motor_y = DeviceComboBox(
-            parent=self.target_widget, device_filter=[BECDeviceFilter.POSITIONER]
-        )
-        self.motor_y.addItem("", None)
-        self.motor_y.setCurrentText("")
-        self.motor_y.setToolTip("Select Motor Y")
-        self.motor_y.setItemDelegate(NoCheckDelegate(self.motor_y))
-
-        self.add_action("motor_x", WidgetAction(widget=self.motor_x, adjust_size=False))
-        self.add_action("motor_y", WidgetAction(widget=self.motor_y, adjust_size=False))
-
-        # Connect slots, a device will be connected upon change of any combobox
-        self.motor_x.currentTextChanged.connect(lambda: self.connect_motors())
-        self.motor_y.currentTextChanged.connect(lambda: self.connect_motors())
-
-    @SafeSlot()
-    def connect_motors(self):
-        motor_x = self.motor_x.currentText()
-        motor_y = self.motor_y.currentText()
-
-        if motor_x != "" and motor_y != "":
-            if (
-                motor_x != self.target_widget.config.x_motor.name
-                or motor_y != self.target_widget.config.y_motor.name
-            ):
-                self.target_widget.map(motor_x, motor_y)
-
-    def cleanup(self):
-        self.motor_x.close()
-        self.motor_x.deleteLater()
-        self.motor_y.close()
-        self.motor_y.deleteLater()

bec_widgets/widgets/plots/motor_map/toolbar_components/motor_selection.py

@@ -0,0 +1,51 @@
+from qtpy.QtWidgets import QHBoxLayout, QToolBar, QWidget
+
+from bec_widgets.utils.toolbars.actions import NoCheckDelegate, ToolBarAction
+from bec_widgets.widgets.control.device_input.base_classes.device_input_base import BECDeviceFilter
+from bec_widgets.widgets.control.device_input.device_combobox.device_combobox import DeviceComboBox
+
+
+class MotorSelectionAction(ToolBarAction):
+    def __init__(self, parent=None):
+        super().__init__(icon_path=None, tooltip=None, checkable=False)
+        self.motor_x = DeviceComboBox(parent=parent, device_filter=[BECDeviceFilter.POSITIONER])
+        self.motor_x.addItem("", None)
+        self.motor_x.setCurrentText("")
+        self.motor_x.setToolTip("Select Motor X")
+        self.motor_x.setItemDelegate(NoCheckDelegate(self.motor_x))
+        self.motor_y = DeviceComboBox(parent=parent, device_filter=[BECDeviceFilter.POSITIONER])
+        self.motor_y.addItem("", None)
+        self.motor_y.setCurrentText("")
+        self.motor_y.setToolTip("Select Motor Y")
+        self.motor_y.setItemDelegate(NoCheckDelegate(self.motor_y))
+
+        self.container = QWidget(parent)
+        layout = QHBoxLayout(self.container)
+        layout.setContentsMargins(0, 0, 0, 0)
+        layout.setSpacing(0)
+        layout.addWidget(self.motor_x)
+        layout.addWidget(self.motor_y)
+        self.container.setLayout(layout)
+        self.action = self.container
+
+    def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
+        """
+        Adds the widget to the toolbar.
+
+        Args:
+            toolbar (QToolBar): The toolbar to add the widget to.
+            target (QWidget): The target widget for the action.
+        """
+
+        toolbar.addWidget(self.container)
+
+    def cleanup(self):
+        """
+        Cleans up the action, if necessary.
+        """
+        self.motor_x.close()
+        self.motor_x.deleteLater()
+        self.motor_y.close()
+        self.motor_y.deleteLater()
+        self.container.close()
+        self.container.deleteLater()

bec_widgets/widgets/plots/multi_waveform/multi_waveform.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 from collections import deque
+from typing import TYPE_CHECKING, cast
 
 import pyqtgraph as pg
 from bec_lib.endpoints import MessageEndpoints
@@ -12,13 +13,15 @@ from qtpy.QtWidgets import QWidget
 from bec_widgets.utils import Colors, ConnectionConfig
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
 from bec_widgets.utils.side_panel import SidePanel
+from bec_widgets.widgets.control.device_input.device_combobox.device_combobox import DeviceComboBox
 from bec_widgets.widgets.plots.multi_waveform.settings.control_panel import (
     MultiWaveformControlPanel,
 )
-from bec_widgets.widgets.plots.multi_waveform.toolbar_bundles.monitor_selection import (
-    MultiWaveformSelectionToolbarBundle,
+from bec_widgets.widgets.plots.multi_waveform.toolbar_components.monitor_selection import (
+    monitor_selection_bundle,
 )
 from bec_widgets.widgets.plots.plot_base import PlotBase
+from bec_widgets.widgets.utility.visual.colormap_widget.colormap_widget import BECColorMapWidget
 
 logger = bec_logger.logger
 
@@ -141,33 +144,54 @@ class MultiWaveform(PlotBase):
         self.visible_curves = []
         self.number_of_visible_curves = 0
 
-        self._init_control_panel()
+        self._init_multiwaveform_toolbar()
 
     ################################################################################
     # Widget Specific GUI interactions
     ################################################################################
-    def _init_toolbar(self):
-        self.monitor_selection_bundle = MultiWaveformSelectionToolbarBundle(
-            bundle_id="motor_selection", target_widget=self
+    def _init_multiwaveform_toolbar(self):
+        self.toolbar.add_bundle(
+            monitor_selection_bundle(self.toolbar.components, target_widget=self)
         )
-        self.toolbar.add_bundle(self.monitor_selection_bundle, target_widget=self)
-        super()._init_toolbar()
-        self.toolbar.widgets["reset_legend"].action.setVisible(False)
+        self.toolbar.toggle_action_visibility("reset_legend", visible=False)
+
+        combobox = self.toolbar.components.get_action("monitor_selection").widget
+        combobox.currentTextChanged.connect(self.connect_monitor)
+
+        cmap = self.toolbar.components.get_action("color_map").widget
+        cmap.colormap_changed_signal.connect(self.change_colormap)
+
+        bundles = self.toolbar.shown_bundles
+        bundles.insert(0, "monitor_selection")
+        self.toolbar.show_bundles(bundles)
+
+        self._init_control_panel()
 
     def _init_control_panel(self):
-        self.control_panel = SidePanel(self, orientation="top", panel_max_width=90)
-        self.layout_manager.add_widget_relative(
-            self.control_panel, self.round_plot_widget, "bottom"
-        )
+        control_panel = SidePanel(self, orientation="top", panel_max_width=90)
+        self.layout_manager.add_widget_relative(control_panel, self.round_plot_widget, "bottom")
         self.controls = MultiWaveformControlPanel(parent=self, target_widget=self)
-        self.control_panel.add_menu(
+        control_panel.add_menu(
             action_id="control",
             icon_name="tune",
             tooltip="Show Control panel",
             widget=self.controls,
             title=None,
         )
-        self.control_panel.toolbar.widgets["control"].action.trigger()
+        control_panel.toolbar.components.get_action("control").action.trigger()
+
+    @SafeSlot()
+    def connect_monitor(self, _):
+        combobox = self.toolbar.components.get_action("monitor_selection").widget
+        monitor = combobox.currentText()
+
+        if monitor != "":
+            if monitor != self.config.monitor:
+                self.config.monitor = monitor
+
+    @SafeSlot(str)
+    def change_colormap(self, colormap: str):
+        self.color_palette = colormap
 
     ################################################################################
     # Widget Specific Properties
@@ -488,23 +512,30 @@ class MultiWaveform(PlotBase):
         """
         Sync the motor map selection toolbar with the current motor map.
         """
-        if self.monitor_selection_bundle is not None:
-            monitor = self.monitor_selection_bundle.monitor.currentText()
-            color_palette = self.monitor_selection_bundle.colormap_widget.colormap
 
-            if monitor != self.config.monitor:
-                self.monitor_selection_bundle.monitor.blockSignals(True)
-                self.monitor_selection_bundle.monitor.set_device(self.config.monitor)
-                self.monitor_selection_bundle.monitor.check_validity(self.config.monitor)
-                self.monitor_selection_bundle.monitor.blockSignals(False)
+        combobox_widget: DeviceComboBox = cast(
+            DeviceComboBox, self.toolbar.components.get_action("monitor_selection").widget
+        )
+        cmap_widget: BECColorMapWidget = cast(
+            BECColorMapWidget, self.toolbar.components.get_action("color_map").widget
+        )
 
-            if color_palette != self.config.color_palette:
-                self.monitor_selection_bundle.colormap_widget.blockSignals(True)
-                self.monitor_selection_bundle.colormap_widget.colormap = self.config.color_palette
-                self.monitor_selection_bundle.colormap_widget.blockSignals(False)
+        monitor = combobox_widget.currentText()
+        color_palette = cmap_widget.colormap
+
+        if monitor != self.config.monitor:
+            combobox_widget.setCurrentText(monitor)
+            combobox_widget.blockSignals(True)
+            combobox_widget.set_device(self.config.monitor)
+            combobox_widget.check_validity(self.config.monitor)
+            combobox_widget.blockSignals(False)
+
+        if color_palette != self.config.color_palette:
+            cmap_widget.blockSignals(True)
+            cmap_widget.colormap = self.config.color_palette
+            cmap_widget.blockSignals(False)
 
     def cleanup(self):
         self._disconnect_monitor()
         self.clear_curves()
-        self.monitor_selection_bundle.cleanup()
         super().cleanup()

bec_widgets/widgets/plots/multi_waveform/toolbar_components/monitor_selection.py

@@ -1,9 +1,11 @@
 from bec_lib.device import ReadoutPriority
 from qtpy.QtCore import Qt
-from qtpy.QtWidgets import QStyledItemDelegate
+from qtpy.QtWidgets import QStyledItemDelegate, QWidget
 
 from bec_widgets.utils.error_popups import SafeSlot
-from bec_widgets.utils.toolbar import ToolbarBundle, WidgetAction
+from bec_widgets.utils.toolbars.actions import DeviceComboBoxAction, WidgetAction
+from bec_widgets.utils.toolbars.bundles import ToolbarComponents
+from bec_widgets.utils.toolbars.toolbar import ToolbarBundle
 from bec_widgets.widgets.control.device_input.base_classes.device_input_base import BECDeviceFilter
 from bec_widgets.widgets.control.device_input.device_combobox.device_combobox import DeviceComboBox
 from bec_widgets.widgets.utility.visual.colormap_widget.colormap_widget import BECColorMapWidget
@@ -18,6 +20,37 @@ class NoCheckDelegate(QStyledItemDelegate):
         option.checkState = Qt.Unchecked
 
 
+def monitor_selection_bundle(
+    components: ToolbarComponents, target_widget: QWidget
+) -> ToolbarBundle:
+    """
+    Creates a monitor selection toolbar bundle.
+
+    Args:
+        components (ToolbarComponents): The components to be added to the bundle.
+
+    Returns:
+        ToolbarBundle: The monitor selection toolbar bundle.
+    """
+    components.add_safe(
+        "monitor_selection",
+        DeviceComboBoxAction(
+            target_widget=target_widget,
+            device_filter=[BECDeviceFilter.DEVICE],
+            readout_priority_filter=ReadoutPriority.ASYNC,
+            add_empty_item=True,
+            no_check_delegate=True,
+        ),
+    )
+    components.add_safe(
+        "color_map", WidgetAction(widget=BECColorMapWidget(cmap="plasma"), adjust_size=False)
+    )
+    bundle = ToolbarBundle("monitor_selection", components)
+    bundle.add_action("monitor_selection")
+    bundle.add_action("color_map")
+    return bundle
+
+
 class MultiWaveformSelectionToolbarBundle(ToolbarBundle):
     """
     A bundle of actions for a toolbar that selects motors.

bec_widgets/widgets/plots/plot_base.py

@@ -14,17 +14,25 @@ from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
 from bec_widgets.utils.fps_counter import FPSCounter
 from bec_widgets.utils.plot_indicator_items import BECArrowItem, BECTickItem
 from bec_widgets.utils.round_frame import RoundedFrame
-from bec_widgets.utils.settings_dialog import SettingsDialog
 from bec_widgets.utils.side_panel import SidePanel
-from bec_widgets.utils.toolbar import MaterialIconAction, ModularToolBar, ToolbarBundle
+from bec_widgets.utils.toolbars.performance import PerformanceConnection, performance_bundle
+from bec_widgets.utils.toolbars.toolbar import ModularToolBar
 from bec_widgets.utils.widget_state_manager import WidgetStateManager
 from bec_widgets.widgets.containers.layout_manager.layout_manager import LayoutManagerWidget
 from bec_widgets.widgets.plots.setting_menus.axis_settings import AxisSettings
-from bec_widgets.widgets.plots.toolbar_bundles.mouse_interactions import (
-    MouseInteractionToolbarBundle,
+from bec_widgets.widgets.plots.toolbar_components.axis_settings_popup import (
+    AxisSettingsPopupConnection,
+    axis_popup_bundle,
 )
-from bec_widgets.widgets.plots.toolbar_bundles.plot_export import PlotExportBundle
-from bec_widgets.widgets.plots.toolbar_bundles.roi_bundle import ROIBundle
+from bec_widgets.widgets.plots.toolbar_components.mouse_interactions import (
+    MouseInteractionConnection,
+    mouse_interaction_bundle,
+)
+from bec_widgets.widgets.plots.toolbar_components.plot_export import (
+    PlotExportConnection,
+    plot_export_bundle,
+)
+from bec_widgets.widgets.plots.toolbar_components.roi import RoiConnection, roi_bundle
 
 logger = bec_logger.logger
 
@@ -102,8 +110,6 @@ class PlotBase(BECWidget, QWidget):
         self.plot_item = pg.PlotItem(viewBox=BECViewBox(enableMenu=True))
         self.plot_widget.addItem(self.plot_item)
         self.side_panel = SidePanel(self, orientation="left", panel_max_width=280)
-        self.toolbar = ModularToolBar(parent=self, target_widget=self, orientation="horizontal")
-        self._init_toolbar()
 
         # PlotItem Addons
         self.plot_item.addLegend()
@@ -122,6 +128,9 @@ class PlotBase(BECWidget, QWidget):
         self.tick_item = BECTickItem(parent=self, plot_item=self.plot_item)
         self.arrow_item = BECArrowItem(parent=self, plot_item=self.plot_item)
 
+        self.toolbar = ModularToolBar(parent=self, orientation="horizontal")
+        self._init_toolbar()
+
         self._init_ui()
 
         self._connect_to_theme_change()
@@ -146,36 +155,33 @@ class PlotBase(BECWidget, QWidget):
         self.plot_item.vb.sigStateChanged.connect(self.viewbox_state_changed)
 
     def _init_toolbar(self):
-        self.popup_bundle = None
-        self.performance_bundle = ToolbarBundle("performance")
-        self.plot_export_bundle = PlotExportBundle("plot_export", target_widget=self)
-        self.mouse_bundle = MouseInteractionToolbarBundle("mouse_interaction", target_widget=self)
-        # self.state_export_bundle = SaveStateBundle("state_export", target_widget=self) #TODO ATM disabled, cannot be used in DockArea, which is exposed to the user
-        self.roi_bundle = ROIBundle("roi", target_widget=self)
+        self.toolbar.add_bundle(performance_bundle(self.toolbar.components))
+        self.toolbar.add_bundle(plot_export_bundle(self.toolbar.components))
+        self.toolbar.add_bundle(mouse_interaction_bundle(self.toolbar.components))
+        self.toolbar.add_bundle(roi_bundle(self.toolbar.components))
+        self.toolbar.add_bundle(axis_popup_bundle(self.toolbar.components))
 
-        # Add elements to toolbar
-        self.toolbar.add_bundle(self.plot_export_bundle, target_widget=self)
-        # self.toolbar.add_bundle(self.state_export_bundle, target_widget=self) #TODO ATM disabled, cannot be used in DockArea, which is exposed to the user
-        self.toolbar.add_bundle(self.mouse_bundle, target_widget=self)
-        self.toolbar.add_bundle(self.roi_bundle, target_widget=self)
-
-        self.performance_bundle.add_action(
-            "fps_monitor",
-            MaterialIconAction(
-                icon_name="speed", tooltip="Show FPS Monitor", checkable=True, parent=self
-            ),
+        self.toolbar.connect_bundle(
+            "plot_base", PlotExportConnection(self.toolbar.components, self)
         )
-        self.toolbar.add_bundle(self.performance_bundle, target_widget=self)
-
-        self.toolbar.widgets["fps_monitor"].action.toggled.connect(
-            lambda checked: setattr(self, "enable_fps_monitor", checked)
+        self.toolbar.connect_bundle(
+            "plot_base", PerformanceConnection(self.toolbar.components, self)
+        )
+        self.toolbar.connect_bundle(
+            "plot_base", MouseInteractionConnection(self.toolbar.components, self)
+        )
+        self.toolbar.connect_bundle("plot_base", RoiConnection(self.toolbar.components, self))
+        self.toolbar.connect_bundle(
+            "plot_base", AxisSettingsPopupConnection(self.toolbar.components, self)
         )
 
         # hide some options by default
         self.toolbar.toggle_action_visibility("fps_monitor", False)
 
         # Get default viewbox state
-        self.mouse_bundle.get_viewbox_mode()
+        self.toolbar.show_bundles(
+            ["plot_export", "mouse_interaction", "roi", "performance", "axis_popup"]
+        )
 
     def add_side_menus(self):
         """Adds multiple menus to the side panel."""
@@ -192,45 +198,6 @@ class PlotBase(BECWidget, QWidget):
         except ValueError:
             return
 
-    def add_popups(self):
-        """
-        Add popups to the toolbar.
-        """
-        self.popup_bundle = ToolbarBundle("popup_bundle")
-        settings = MaterialIconAction(
-            icon_name="settings", tooltip="Show Axis Settings", checkable=True, parent=self
-        )
-        self.popup_bundle.add_action("axis", settings)
-        self.toolbar.add_bundle(self.popup_bundle, target_widget=self)
-        self.toolbar.widgets["axis"].action.triggered.connect(self.show_axis_settings_popup)
-
-    def show_axis_settings_popup(self):
-        """
-        Show the axis settings dialog.
-        """
-        settings_action = self.toolbar.widgets["axis"].action
-        if self.axis_settings_dialog is None or not self.axis_settings_dialog.isVisible():
-            axis_setting = AxisSettings(parent=self, target_widget=self, popup=True)
-            self.axis_settings_dialog = SettingsDialog(
-                self, settings_widget=axis_setting, window_title="Axis Settings", modal=False
-            )
-            # When the dialog is closed, update the toolbar icon and clear the reference
-            self.axis_settings_dialog.finished.connect(self._axis_settings_closed)
-            self.axis_settings_dialog.show()
-            settings_action.setChecked(True)
-        else:
-            # If already open, bring it to the front
-            self.axis_settings_dialog.raise_()
-            self.axis_settings_dialog.activateWindow()
-            settings_action.setChecked(True)  # keep it toggled
-
-    def _axis_settings_closed(self):
-        """
-        Slot for when the axis settings dialog is closed.
-        """
-        self.axis_settings_dialog = None
-        self.toolbar.widgets["axis"].action.setChecked(False)
-
     def reset_legend(self):
         """In the case that the legend is not visible, reset it to be visible to top left corner"""
         self.plot_item.legend.autoAnchor(50)
@@ -257,22 +224,23 @@ class PlotBase(BECWidget, QWidget):
             raise ValueError("ui_mode must be an instance of UIMode")
         self._ui_mode = mode
 
-        # First, clear both UI elements:
-        if self.popup_bundle is not None:
-            for action_id in self.toolbar.bundles["popup_bundle"]:
-                self.toolbar.widgets[action_id].action.setVisible(False)
-            if self.axis_settings_dialog is not None and self.axis_settings_dialog.isVisible():
-                self.axis_settings_dialog.close()
-        self.side_panel.hide()
-
         # Now, apply the new mode:
         if mode == UIMode.POPUP:
-            if self.popup_bundle is None:
-                self.add_popups()
-            else:
-                for action_id in self.toolbar.bundles["popup_bundle"]:
-                    self.toolbar.widgets[action_id].action.setVisible(True)
+            shown_bundles = self.toolbar.shown_bundles
+            if "axis_popup" not in shown_bundles:
+                shown_bundles.append("axis_popup")
+            self.toolbar.show_bundles(shown_bundles)
+            self.side_panel.hide()
+
         elif mode == UIMode.SIDE:
+            shown_bundles = self.toolbar.shown_bundles
+            if "axis_popup" in shown_bundles:
+                shown_bundles.remove("axis_popup")
+            self.toolbar.show_bundles(shown_bundles)
+            pb_connection = self.toolbar.bundles["axis_popup"].get_connection("plot_base")
+            if pb_connection.axis_settings_dialog is not None:
+                pb_connection.axis_settings_dialog.close()
+                pb_connection.axis_settings_dialog = None
             self.add_side_menus()
             self.side_panel.show()
 
@@ -913,6 +881,38 @@ class PlotBase(BECWidget, QWidget):
         """
         self.plot_item.enableAutoRange(y=value)
 
+    def auto_range(self, value: bool = True):
+        """
+        On demand apply autorange to the plot item based on the visible curves.
+
+        Args:
+            value(bool): If True, apply autorange to the visible curves.
+        """
+        if not value:
+            self.plot_item.enableAutoRange(x=False, y=False)
+            return
+        self._apply_autorange_only_visible_curves()
+
+    def _fetch_visible_curves(self):
+        """
+        Fetch all visible curves from the plot item.
+        """
+        visible_curves = []
+        for curve in self.plot_item.curves:
+            if curve.isVisible():
+                visible_curves.append(curve)
+        return visible_curves
+
+    def _apply_autorange_only_visible_curves(self):
+        """
+        Apply autorange to the plot item based on the provided curves.
+
+        Args:
+            curves (list): List of curves to apply autorange to.
+        """
+        visible_curves = self._fetch_visible_curves()
+        self.plot_item.autoRange(items=visible_curves if visible_curves else None)
+
     @SafeProperty(int, doc="The font size of the legend font.")
     def legend_label_size(self) -> int:
         """
@@ -1049,6 +1049,7 @@ class PlotBase(BECWidget, QWidget):
             self.axis_settings_dialog = None
         self.cleanup_pyqtgraph()
         self.round_plot_widget.close()
+        self.toolbar.cleanup()
         super().cleanup()
 
     def cleanup_pyqtgraph(self, item: pg.PlotItem | None = None):
@@ -1087,8 +1088,12 @@ if __name__ == "__main__":  # pragma: no cover:
 
     from qtpy.QtWidgets import QApplication
 
+    from bec_widgets.widgets.containers.main_window.main_window import BECMainWindow
+
     app = QApplication(sys.argv)
-    window = PlotBase()
-    window.show()
+    launch_window = BECMainWindow()
+    pb = PlotBase(popups=False)
+    launch_window.setCentralWidget(pb)
+    launch_window.show()
 
     sys.exit(app.exec_())

bec_widgets/widgets/plots/scatter_waveform/scatter_waveform.py

@@ -13,7 +13,7 @@ from bec_widgets.utils import Colors, ConnectionConfig
 from bec_widgets.utils.colors import set_theme
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
 from bec_widgets.utils.settings_dialog import SettingsDialog
-from bec_widgets.utils.toolbar import MaterialIconAction
+from bec_widgets.utils.toolbars.toolbar import MaterialIconAction
 from bec_widgets.widgets.plots.plot_base import PlotBase, UIMode
 from bec_widgets.widgets.plots.scatter_waveform.scatter_curve import (
     ScatterCurve,
@@ -131,8 +131,8 @@ class ScatterWaveform(PlotBase):
         self.proxy_update_sync = pg.SignalProxy(
             self.sync_signal_update, rateLimit=25, slot=self.update_sync_curves
         )
-        if self.ui_mode == UIMode.SIDE:
-            self._init_scatter_curve_settings()
+
+        self._init_scatter_curve_settings()
         self.update_with_scan_history(-1)
 
     ################################################################################
@@ -143,44 +143,40 @@ class ScatterWaveform(PlotBase):
         """
         Initialize the scatter curve settings menu.
         """
+        if self.ui_mode == UIMode.SIDE:
+            self.scatter_curve_settings = ScatterCurveSettings(
+                parent=self, target_widget=self, popup=False
+            )
+            self.side_panel.add_menu(
+                action_id="scatter_curve",
+                icon_name="scatter_plot",
+                tooltip="Show Scatter Curve Settings",
+                widget=self.scatter_curve_settings,
+                title="Scatter Curve Settings",
+            )
+        else:
+            scatter_curve_action = MaterialIconAction(
+                icon_name="scatter_plot",
+                tooltip="Show Scatter Curve Settings",
+                checkable=True,
+                parent=self,
+            )
+            self.toolbar.components.add_safe("scatter_waveform_settings", scatter_curve_action)
+            self.toolbar.get_bundle("axis_popup").add_action("scatter_waveform_settings")
+            scatter_curve_action.action.triggered.connect(self.show_scatter_curve_settings)
 
-        self.scatter_curve_settings = ScatterCurveSettings(
-            parent=self, target_widget=self, popup=False
-        )
-        self.side_panel.add_menu(
-            action_id="scatter_curve",
-            icon_name="scatter_plot",
-            tooltip="Show Scatter Curve Settings",
-            widget=self.scatter_curve_settings,
-            title="Scatter Curve Settings",
-        )
-
-    def add_popups(self):
-        """
-        Add popups to the ScatterWaveform widget.
-        """
-        super().add_popups()
-        scatter_curve_setting_action = MaterialIconAction(
-            icon_name="scatter_plot",
-            tooltip="Show Scatter Curve Settings",
-            checkable=True,
-            parent=self,
-        )
-        self.toolbar.add_action_to_bundle(
-            bundle_id="popup_bundle",
-            action_id="scatter_waveform_settings",
-            action=scatter_curve_setting_action,
-            target_widget=self,
-        )
-        self.toolbar.widgets["scatter_waveform_settings"].action.triggered.connect(
-            self.show_scatter_curve_settings
-        )
+        shown_bundles = self.toolbar.shown_bundles
+        if "performance" in shown_bundles:
+            shown_bundles.remove("performance")
+        self.toolbar.show_bundles(shown_bundles)
 
     def show_scatter_curve_settings(self):
         """
         Show the scatter curve settings dialog.
         """
-        scatter_settings_action = self.toolbar.widgets["scatter_waveform_settings"].action
+        scatter_settings_action = self.toolbar.components.get_action(
+            "scatter_waveform_settings"
+        ).action
         if self.scatter_dialog is None or not self.scatter_dialog.isVisible():
             scatter_settings = ScatterCurveSettings(parent=self, target_widget=self, popup=True)
             self.scatter_dialog = SettingsDialog(
@@ -205,7 +201,7 @@ class ScatterWaveform(PlotBase):
         Slot for when the scatter curve settings dialog is closed.
         """
         self.scatter_dialog = None
-        self.toolbar.widgets["scatter_waveform_settings"].action.setChecked(False)
+        self.toolbar.components.get_action("scatter_waveform_settings").action.setChecked(False)
 
     ################################################################################
     # Widget Specific Properties

bec_widgets/widgets/plots/toolbar_bundles/mouse_interactions.py

@@ -1,108 +0,0 @@
-import pyqtgraph as pg
-from qtpy.QtCore import QTimer
-
-from bec_widgets.utils.error_popups import SafeSlot
-from bec_widgets.utils.toolbar import MaterialIconAction, SwitchableToolBarAction, ToolbarBundle
-
-
-class MouseInteractionToolbarBundle(ToolbarBundle):
-    """
-    A bundle of actions that are hooked in this constructor itself,
-    so that you can immediately connect the signals and toggle states.
-
-    This bundle is for a toolbar that controls mouse interactions on a plot.
-    """
-
-    def __init__(self, bundle_id="mouse_interaction", target_widget=None, **kwargs):
-        super().__init__(bundle_id=bundle_id, actions=[], **kwargs)
-        self.target_widget = target_widget
-        self.mouse_mode = None
-
-        # Create each MaterialIconAction with a parent
-        # so the signals can fire even if the toolbar isn't added yet.
-        drag = MaterialIconAction(
-            icon_name="drag_pan",
-            tooltip="Drag Mouse Mode",
-            checkable=True,
-            parent=self.target_widget,  # or any valid parent
-        )
-        rect = MaterialIconAction(
-            icon_name="frame_inspect",
-            tooltip="Rectangle Zoom Mode",
-            checkable=True,
-            parent=self.target_widget,
-        )
-        auto = MaterialIconAction(
-            icon_name="open_in_full",
-            tooltip="Autorange Plot",
-            checkable=False,
-            parent=self.target_widget,
-        )
-
-        self.switch_mouse_action = SwitchableToolBarAction(
-            actions={"drag_mode": drag, "rectangle_mode": rect},
-            initial_action="drag_mode",
-            tooltip="Mouse Modes",
-            checkable=True,
-            parent=self.target_widget,
-        )
-
-        # Add them to the bundle
-        self.add_action("switch_mouse", self.switch_mouse_action)
-        self.add_action("auto_range", auto)
-
-        # Immediately connect signals
-        drag.action.toggled.connect(self.enable_mouse_pan_mode)
-        rect.action.toggled.connect(self.enable_mouse_rectangle_mode)
-        auto.action.triggered.connect(self.autorange_plot)
-
-    def get_viewbox_mode(self):
-        """
-        Returns the current interaction mode of a PyQtGraph ViewBox and sets the corresponding action.
-        """
-
-        if self.target_widget:
-            viewbox = self.target_widget.plot_item.getViewBox()
-            if viewbox.getState()["mouseMode"] == 3:
-                self.switch_mouse_action.set_default_action("drag_mode")
-                self.switch_mouse_action.main_button.setChecked(True)
-                self.mouse_mode = "PanMode"
-            elif viewbox.getState()["mouseMode"] == 1:
-                self.switch_mouse_action.set_default_action("rectangle_mode")
-                self.switch_mouse_action.main_button.setChecked(True)
-                self.mouse_mode = "RectMode"
-
-    @SafeSlot(bool)
-    def enable_mouse_rectangle_mode(self, checked: bool):
-        """
-        Enable the rectangle zoom mode on the plot widget.
-        """
-        if self.mouse_mode == "RectMode":
-            self.switch_mouse_action.main_button.setChecked(True)
-            return
-        self.actions["switch_mouse"].actions["drag_mode"].action.setChecked(not checked)
-        if self.target_widget and checked:
-            self.target_widget.plot_item.getViewBox().setMouseMode(pg.ViewBox.RectMode)
-            self.mouse_mode = "RectMode"
-
-    @SafeSlot(bool)
-    def enable_mouse_pan_mode(self, checked: bool):
-        """
-        Enable the pan mode on the plot widget.
-        """
-        if self.mouse_mode == "PanMode":
-            self.switch_mouse_action.main_button.setChecked(True)
-            return
-        self.actions["switch_mouse"].actions["rectangle_mode"].action.setChecked(not checked)
-        if self.target_widget and checked:
-            self.target_widget.plot_item.getViewBox().setMouseMode(pg.ViewBox.PanMode)
-            self.mouse_mode = "PanMode"
-
-    @SafeSlot()
-    def autorange_plot(self):
-        """
-        Enable autorange on the plot widget.
-        """
-        if self.target_widget:
-            self.target_widget.auto_range_x = True
-            self.target_widget.auto_range_y = True

bec_widgets/widgets/plots/toolbar_bundles/plot_export.py

@@ -1,81 +0,0 @@
-import traceback
-
-from pyqtgraph.exporters import MatplotlibExporter
-
-from bec_widgets.utils.error_popups import SafeSlot, WarningPopupUtility
-from bec_widgets.utils.toolbar import MaterialIconAction, SwitchableToolBarAction, ToolbarBundle
-
-
-class PlotExportBundle(ToolbarBundle):
-    """
-    A bundle of actions that are hooked in this constructor itself,
-    so that you can immediately connect the signals and toggle states.
-
-    This bundle is for a toolbar that controls exporting a plot.
-    """
-
-    def __init__(self, bundle_id="mouse_interaction", target_widget=None, **kwargs):
-        super().__init__(bundle_id=bundle_id, actions=[], **kwargs)
-        self.target_widget = target_widget
-
-        # Create each MaterialIconAction with a parent
-        # so the signals can fire even if the toolbar isn't added yet.
-        save = MaterialIconAction(
-            icon_name="save", tooltip="Open Export Dialog", parent=self.target_widget
-        )
-        matplotlib = MaterialIconAction(
-            icon_name="photo_library", tooltip="Open Matplotlib Dialog", parent=self.target_widget
-        )
-
-        switch_export_action = SwitchableToolBarAction(
-            actions={"save": save, "matplotlib": matplotlib},
-            initial_action="save",
-            tooltip="Switchable Action",
-            checkable=False,
-            parent=self,
-        )
-
-        # Add them to the bundle
-        self.add_action("export_switch", switch_export_action)
-
-        # Immediately connect signals
-        save.action.triggered.connect(self.export_dialog)
-        matplotlib.action.triggered.connect(self.matplotlib_dialog)
-
-    @SafeSlot()
-    def export_dialog(self):
-        """
-        Open the export dialog for the plot widget.
-        """
-        if self.target_widget:
-            scene = self.target_widget.plot_item.scene()
-            scene.contextMenuItem = self.target_widget.plot_item
-            scene.showExportDialog()
-
-    @SafeSlot()
-    def matplotlib_dialog(self):
-        """
-        Export the plot widget to Matplotlib.
-        """
-        if self.target_widget:
-            try:
-                import matplotlib as mpl
-
-                MatplotlibExporter(self.target_widget.plot_item).export()
-            except ModuleNotFoundError:
-                warning_util = WarningPopupUtility()
-                warning_util.show_warning(
-                    title="Matplotlib not installed",
-                    message="Matplotlib is required for this feature.",
-                    detailed_text="Please install matplotlib in your Python environment by using 'pip install matplotlib'.",
-                )
-                return
-            except TypeError:
-                warning_util = WarningPopupUtility()
-                error_msg = traceback.format_exc()
-                warning_util.show_warning(
-                    title="Matplotlib TypeError",
-                    message="Matplotlib exporter could not resolve the plot item.",
-                    detailed_text=error_msg,
-                )
-                return

bec_widgets/widgets/plots/toolbar_bundles/roi_bundle.py

@@ -1,31 +0,0 @@
-from bec_widgets.utils.toolbar import MaterialIconAction, ToolbarBundle
-
-
-class ROIBundle(ToolbarBundle):
-    """
-    A bundle of actions that are hooked in this constructor itself,
-    so that you can immediately connect the signals and toggle states.
-
-    This bundle is for a toolbar that controls crosshair and ROI interaction.
-    """
-
-    def __init__(self, bundle_id="roi", target_widget=None, **kwargs):
-        super().__init__(bundle_id=bundle_id, actions=[], **kwargs)
-        self.target_widget = target_widget
-
-        # Create each MaterialIconAction with a parent
-        # so the signals can fire even if the toolbar isn't added yet.
-        crosshair = MaterialIconAction(
-            icon_name="point_scan", tooltip="Show Crosshair", checkable=True
-        )
-        reset_legend = MaterialIconAction(
-            icon_name="restart_alt", tooltip="Reset the position of legend.", checkable=False
-        )
-
-        # Add them to the bundle
-        self.add_action("crosshair", crosshair)
-        self.add_action("reset_legend", reset_legend)
-
-        # Immediately connect signals
-        crosshair.action.toggled.connect(self.target_widget.toggle_crosshair)
-        reset_legend.action.triggered.connect(self.target_widget.reset_legend)

bec_widgets/widgets/plots/toolbar_bundles/save_state.py

@@ -1,48 +0,0 @@
-from bec_widgets.utils.error_popups import SafeSlot
-from bec_widgets.utils.toolbar import MaterialIconAction, ToolbarBundle
-
-
-class SaveStateBundle(ToolbarBundle):
-    """
-    A bundle of actions that are hooked in this constructor itself,
-    so that you can immediately connect the signals and toggle states.
-
-    This bundle is for a toolbar that controls saving the state of the widget.
-    """
-
-    def __init__(self, bundle_id="mouse_interaction", target_widget=None, **kwargs):
-        super().__init__(bundle_id=bundle_id, actions=[], **kwargs)
-        self.target_widget = target_widget
-
-        # Create each MaterialIconAction with a parent
-        # so the signals can fire even if the toolbar isn't added yet.
-        save_state = MaterialIconAction(
-            icon_name="download", tooltip="Save Widget State", parent=self.target_widget
-        )
-        load_state = MaterialIconAction(
-            icon_name="upload", tooltip="Load Widget State", parent=self.target_widget
-        )
-
-        # Add them to the bundle
-        self.add_action("save", save_state)
-        self.add_action("matplotlib", load_state)
-
-        # Immediately connect signals
-        save_state.action.triggered.connect(self.save_state_dialog)
-        load_state.action.triggered.connect(self.load_state_dialog)
-
-    @SafeSlot()
-    def save_state_dialog(self):
-        """
-        Open the export dialog to save a state of the widget.
-        """
-        if self.target_widget:
-            self.target_widget.state_manager.save_state()
-
-    @SafeSlot()
-    def load_state_dialog(self):
-        """
-        Load a saved state of the widget.
-        """
-        if self.target_widget:
-            self.target_widget.state_manager.load_state()

bec_widgets/widgets/plots/toolbar_components/axis_settings_popup.py

@@ -0,0 +1,94 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from bec_widgets.utils.settings_dialog import SettingsDialog
+from bec_widgets.utils.toolbars.actions import MaterialIconAction
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
+from bec_widgets.utils.toolbars.connections import BundleConnection
+from bec_widgets.widgets.plots.setting_menus.axis_settings import AxisSettings
+
+if TYPE_CHECKING:  # pragma: no cover
+    from bec_widgets.utils.toolbars.toolbar import ToolbarComponents
+
+
+def axis_popup_bundle(components: ToolbarComponents) -> ToolbarBundle:
+    """
+    Creates an axis popup toolbar bundle.
+
+    Args:
+        components (ToolbarComponents): The components to be added to the bundle.
+
+    Returns:
+        ToolbarBundle: The axis popup toolbar bundle.
+    """
+    components.add_safe(
+        "axis_settings_popup",
+        MaterialIconAction(
+            icon_name="settings",
+            tooltip="Show Axis Settings",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    bundle = ToolbarBundle("axis_popup", components)
+    bundle.add_action("axis_settings_popup")
+    return bundle
+
+
+class AxisSettingsPopupConnection(BundleConnection):
+
+    def __init__(self, components: ToolbarComponents, target_widget=None):
+        self.bundle_name = "axis_popup"
+        self.components = components
+        self.target_widget = target_widget
+        self.axis_settings_dialog = None
+        self._connected = False
+        super().__init__()
+
+    def connect(self):
+        self._connected = True
+        # Connect the action to the target widget's method
+        self.components.get_action_reference("axis_settings_popup")().action.triggered.connect(
+            self.show_axis_settings_popup
+        )
+
+    def disconnect(self):
+        if not self._connected:
+            return
+        # Disconnect the action from the target widget's method
+        self.components.get_action_reference("axis_settings_popup")().action.triggered.disconnect(
+            self.show_axis_settings_popup
+        )
+
+    def show_axis_settings_popup(self):
+        """
+        Show the axis settings dialog.
+        """
+        settings_action = self.components.get_action_reference("axis_settings_popup")().action
+        if self.axis_settings_dialog is None or not self.axis_settings_dialog.isVisible():
+            axis_setting = AxisSettings(
+                parent=self.target_widget, target_widget=self.target_widget, popup=True
+            )
+            self.axis_settings_dialog = SettingsDialog(
+                self.target_widget,
+                settings_widget=axis_setting,
+                window_title="Axis Settings",
+                modal=False,
+            )
+            # When the dialog is closed, update the toolbar icon and clear the reference
+            self.axis_settings_dialog.finished.connect(self._axis_settings_closed)
+            self.axis_settings_dialog.show()
+            settings_action.setChecked(True)
+        else:
+            # If already open, bring it to the front
+            self.axis_settings_dialog.raise_()
+            self.axis_settings_dialog.activateWindow()
+            settings_action.setChecked(True)  # keep it toggled
+
+    def _axis_settings_closed(self):
+        """
+        Slot for when the axis settings dialog is closed.
+        """
+        self.axis_settings_dialog = None
+        self.components.get_action_reference("axis_settings_popup")().action.setChecked(False)

bec_widgets/widgets/plots/toolbar_components/mouse_interactions.py

@@ -0,0 +1,168 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+import pyqtgraph as pg
+
+from bec_widgets.utils.error_popups import SafeSlot
+from bec_widgets.utils.toolbars.actions import MaterialIconAction, SwitchableToolBarAction
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
+from bec_widgets.utils.toolbars.connections import BundleConnection
+
+if TYPE_CHECKING:
+    from bec_widgets.utils.toolbars.toolbar import ToolbarComponents
+
+
+def mouse_interaction_bundle(components: ToolbarComponents) -> ToolbarBundle:
+    """
+    Creates a mouse interaction toolbar bundle.
+
+    Args:
+        components (ToolbarComponents): The components to be added to the bundle.
+
+    Returns:
+        ToolbarBundle: The mouse interaction toolbar bundle.
+    """
+    components.add_safe(
+        "mouse_drag",
+        MaterialIconAction(
+            icon_name="drag_pan",
+            tooltip="Drag Mouse Mode",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "mouse_rect",
+        MaterialIconAction(
+            icon_name="frame_inspect",
+            tooltip="Rectangle Zoom Mode",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "auto_range",
+        MaterialIconAction(
+            icon_name="open_in_full",
+            tooltip="Autorange Plot",
+            checkable=False,
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "switch_mouse_mode",
+        SwitchableToolBarAction(
+            actions={
+                "drag_mode": components.get_action_reference("mouse_drag")(),
+                "rectangle_mode": components.get_action_reference("mouse_rect")(),
+            },
+            initial_action="drag_mode",
+            tooltip="Mouse Modes",
+            checkable=True,
+            parent=components.toolbar,
+            default_state_checked=True,
+        ),
+    )
+    bundle = ToolbarBundle("mouse_interaction", components)
+    bundle.add_action("switch_mouse_mode")
+    bundle.add_action("auto_range")
+    return bundle
+
+
+class MouseInteractionConnection(BundleConnection):
+    """
+    Connection class for mouse interaction toolbar bundle.
+    """
+
+    def __init__(self, components: ToolbarComponents, target_widget=None):
+        self.bundle_name = "mouse_interaction"
+        self.components = components
+        self.target_widget = target_widget
+        self.mouse_mode = None
+        if (
+            not hasattr(self.target_widget, "plot_item")
+            or not hasattr(self.target_widget, "auto_range_x")
+            or not hasattr(self.target_widget, "auto_range_y")
+        ):
+            raise AttributeError(
+                "Target widget must implement required methods for mouse interactions."
+            )
+        super().__init__()
+        self._connected = False  # Track if the connection has been made
+
+    def connect(self):
+        self._connected = True
+        drag = self.components.get_action_reference("mouse_drag")()
+        rect = self.components.get_action_reference("mouse_rect")()
+        auto = self.components.get_action_reference("auto_range")()
+
+        drag.action.toggled.connect(self.enable_mouse_pan_mode)
+        rect.action.toggled.connect(self.enable_mouse_rectangle_mode)
+        auto.action.triggered.connect(self.autorange_plot)
+
+    def disconnect(self):
+        if not self._connected:
+            return
+        # Disconnect the action from the target widget's method
+        drag = self.components.get_action_reference("mouse_drag")()
+        rect = self.components.get_action_reference("mouse_rect")()
+        auto = self.components.get_action_reference("auto_range")()
+        drag.action.toggled.disconnect(self.enable_mouse_pan_mode)
+        rect.action.toggled.disconnect(self.enable_mouse_rectangle_mode)
+        auto.action.triggered.disconnect(self.autorange_plot)
+
+    def get_viewbox_mode(self):
+        """
+        Returns the current interaction mode of a PyQtGraph ViewBox and sets the corresponding action.
+        """
+
+        if self.target_widget:
+            viewbox = self.target_widget.plot_item.getViewBox()
+            switch_mouse_action = self.components.get_action_reference("switch_mouse_mode")()
+            if viewbox.getState()["mouseMode"] == 3:
+                switch_mouse_action.set_default_action("drag_mode")
+                switch_mouse_action.main_button.setChecked(True)
+                self.mouse_mode = "PanMode"
+            elif viewbox.getState()["mouseMode"] == 1:
+                switch_mouse_action.set_default_action("rectangle_mode")
+                switch_mouse_action.main_button.setChecked(True)
+                self.mouse_mode = "RectMode"
+
+    @SafeSlot(bool)
+    def enable_mouse_rectangle_mode(self, checked: bool):
+        """
+        Enable the rectangle zoom mode on the plot widget.
+        """
+        switch_mouse_action = self.components.get_action_reference("switch_mouse_mode")()
+        if self.mouse_mode == "RectMode":
+            switch_mouse_action.main_button.setChecked(True)
+            return
+        drag_mode = self.components.get_action_reference("mouse_drag")()
+        drag_mode.action.setChecked(not checked)
+        if self.target_widget and checked:
+            self.target_widget.plot_item.getViewBox().setMouseMode(pg.ViewBox.RectMode)
+            self.mouse_mode = "RectMode"
+
+    @SafeSlot(bool)
+    def enable_mouse_pan_mode(self, checked: bool):
+        """
+        Enable the pan mode on the plot widget.
+        """
+        if self.mouse_mode == "PanMode":
+            switch_mouse_action = self.components.get_action_reference("switch_mouse_mode")()
+            switch_mouse_action.main_button.setChecked(True)
+            return
+        rect_mode = self.components.get_action_reference("mouse_rect")()
+        rect_mode.action.setChecked(not checked)
+        if self.target_widget and checked:
+            self.target_widget.plot_item.getViewBox().setMouseMode(pg.ViewBox.PanMode)
+            self.mouse_mode = "PanMode"
+
+    @SafeSlot()
+    def autorange_plot(self):
+        """
+        Enable autorange on the plot widget.
+        """
+        if self.target_widget:
+            self.target_widget.auto_range()

bec_widgets/widgets/plots/toolbar_components/plot_export.py

@@ -0,0 +1,123 @@
+from __future__ import annotations
+
+import traceback
+
+from bec_widgets.utils.error_popups import SafeSlot, WarningPopupUtility
+from bec_widgets.utils.toolbars.actions import MaterialIconAction, SwitchableToolBarAction
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle, ToolbarComponents
+from bec_widgets.utils.toolbars.connections import BundleConnection
+
+
+def plot_export_bundle(components: ToolbarComponents) -> ToolbarBundle:
+    """
+    Creates a plot export toolbar bundle.
+
+    Args:
+        components (ToolbarComponents): The components to be added to the bundle.
+
+    Returns:
+        ToolbarBundle: The plot export toolbar bundle.
+    """
+    components.add_safe(
+        "save",
+        MaterialIconAction(
+            icon_name="save", tooltip="Open Export Dialog", parent=components.toolbar
+        ),
+    )
+    components.add_safe(
+        "matplotlib",
+        MaterialIconAction(
+            icon_name="photo_library", tooltip="Open Matplotlib Dialog", parent=components.toolbar
+        ),
+    )
+    components.add_safe(
+        "export_switch",
+        SwitchableToolBarAction(
+            actions={
+                "save": components.get_action_reference("save")(),
+                "matplotlib": components.get_action_reference("matplotlib")(),
+            },
+            initial_action="save",
+            tooltip="Export Plot",
+            checkable=False,
+            parent=components.toolbar,
+        ),
+    )
+    bundle = ToolbarBundle("plot_export", components)
+    bundle.add_action("export_switch")
+    return bundle
+
+
+def plot_export_connection(components: ToolbarComponents, target_widget=None):
+    """
+    Connects the plot export actions to the target widget.
+    Args:
+        components (ToolbarComponents): The components to be connected.
+        target_widget: The widget to which the actions will be connected.
+    """
+
+
+class PlotExportConnection(BundleConnection):
+    def __init__(self, components: ToolbarComponents, target_widget):
+        super().__init__()
+        self.bundle_name = "plot_export"
+        self.components = components
+        self.target_widget = target_widget
+        self._connected = False  # Track if the connection has been made
+
+    def connect(self):
+        self._connected = True
+        # Connect the actions to the target widget
+        self.components.get_action_reference("save")().action.triggered.connect(self.export_dialog)
+        self.components.get_action_reference("matplotlib")().action.triggered.connect(
+            self.matplotlib_dialog
+        )
+
+    def disconnect(self):
+        if not self._connected:
+            return
+        # Disconnect the actions from the target widget
+        self.components.get_action_reference("save")().action.triggered.disconnect(
+            self.export_dialog
+        )
+        self.components.get_action_reference("matplotlib")().action.triggered.disconnect(
+            self.matplotlib_dialog
+        )
+
+    @SafeSlot()
+    def export_dialog(self):
+        """
+        Open the export dialog for the plot widget.
+        """
+        if self.target_widget:
+            scene = self.target_widget.plot_item.scene()
+            scene.contextMenuItem = self.target_widget.plot_item
+            scene.showExportDialog()
+
+    @SafeSlot()
+    def matplotlib_dialog(self):
+        """
+        Export the plot widget to Matplotlib.
+        """
+        if self.target_widget:
+            try:
+                import matplotlib as mpl
+
+                MatplotlibExporter(self.target_widget.plot_item).export()
+            except ModuleNotFoundError:
+                warning_util = WarningPopupUtility()
+                warning_util.show_warning(
+                    title="Matplotlib not installed",
+                    message="Matplotlib is required for this feature.",
+                    detailed_text="Please install matplotlib in your Python environment by using 'pip install matplotlib'.",
+                )
+                return
+            except TypeError:
+                warning_util = WarningPopupUtility()
+                error_msg = traceback.format_exc()
+                warning_util.show_warning(
+                    title="Matplotlib TypeError",
+                    message="Matplotlib exporter could not resolve the plot item.",
+                    detailed_text=error_msg,
+                )
+                return

bec_widgets/widgets/plots/toolbar_components/roi.py

@@ -0,0 +1,79 @@
+from __future__ import annotations
+
+from bec_widgets.utils.toolbars.actions import MaterialIconAction
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle, ToolbarComponents
+from bec_widgets.utils.toolbars.connections import BundleConnection
+
+
+def roi_bundle(components: ToolbarComponents) -> ToolbarBundle:
+    """
+    Creates a toolbar bundle for ROI and crosshair interaction.
+
+    Args:
+        components (ToolbarComponents): The components to be added to the bundle.
+
+    Returns:
+        ToolbarBundle: The ROI toolbar bundle.
+    """
+    components.add_safe(
+        "crosshair",
+        MaterialIconAction(
+            icon_name="point_scan",
+            tooltip="Show Crosshair",
+            checkable=True,
+            parent=components.toolbar,
+        ),
+    )
+    components.add_safe(
+        "reset_legend",
+        MaterialIconAction(
+            icon_name="restart_alt",
+            tooltip="Reset the position of legend.",
+            checkable=False,
+            parent=components.toolbar,
+        ),
+    )
+    bundle = ToolbarBundle("roi", components)
+    bundle.add_action("crosshair")
+    bundle.add_action("reset_legend")
+    return bundle
+
+
+class RoiConnection(BundleConnection):
+    """
+    Connection class for the ROI toolbar bundle.
+    """
+
+    def __init__(self, components: ToolbarComponents, target_widget=None):
+        self.bundle_name = "roi"
+        self.components = components
+        self.target_widget = target_widget
+        if not hasattr(self.target_widget, "toggle_crosshair") or not hasattr(
+            self.target_widget, "reset_legend"
+        ):
+            raise AttributeError(
+                "Target widget must implement 'toggle_crosshair' and 'reset_legend'."
+            )
+        super().__init__()
+        self._connected = False
+
+    def connect(self):
+        self._connected = True
+        # Connect the action to the target widget's method
+        self.components.get_action_reference("crosshair")().action.toggled.connect(
+            self.target_widget.toggle_crosshair
+        )
+        self.components.get_action_reference("reset_legend")().action.triggered.connect(
+            self.target_widget.reset_legend
+        )
+
+    def disconnect(self):
+        if not self._connected:
+            return
+        # Disconnect the action from the target widget's method
+        self.components.get_action_reference("crosshair")().action.toggled.disconnect(
+            self.target_widget.toggle_crosshair
+        )
+        self.components.get_action_reference("reset_legend")().action.triggered.disconnect(
+            self.target_widget.reset_legend
+        )

bec_widgets/widgets/plots/waveform/settings/curve_settings/curve_tree.py

@@ -25,7 +25,9 @@ from bec_widgets import SafeSlot
 from bec_widgets.utils import ConnectionConfig, EntryValidator
 from bec_widgets.utils.bec_widget import BECWidget
 from bec_widgets.utils.colors import Colors
-from bec_widgets.utils.toolbar import MaterialIconAction, ModularToolBar
+from bec_widgets.utils.toolbars.actions import WidgetAction
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
+from bec_widgets.utils.toolbars.toolbar import MaterialIconAction, ModularToolBar
 from bec_widgets.widgets.control.device_input.device_combobox.device_combobox import DeviceComboBox
 from bec_widgets.widgets.control.device_input.signal_combobox.signal_combobox import SignalComboBox
 from bec_widgets.widgets.dap.dap_combo_box.dap_combo_box import DapComboBox
@@ -379,43 +381,67 @@ class CurveTree(BECWidget, QWidget):
 
     def _init_toolbar(self):
         """Initialize the toolbar with actions: add, send, refresh, expand, collapse, renormalize."""
-        self.toolbar = ModularToolBar(parent=self, target_widget=self, orientation="horizontal")
-        add = MaterialIconAction(
-            icon_name="add", tooltip="Add new curve", checkable=False, parent=self
+        self.toolbar = ModularToolBar(parent=self, orientation="horizontal")
+        self.toolbar.components.add_safe(
+            "add",
+            MaterialIconAction(
+                icon_name="add", tooltip="Add new curve", checkable=False, parent=self
+            ),
         )
-        expand = MaterialIconAction(
-            icon_name="unfold_more", tooltip="Expand All DAP", checkable=False, parent=self
+        self.toolbar.components.add_safe(
+            "expand",
+            MaterialIconAction(
+                icon_name="unfold_more", tooltip="Expand All DAP", checkable=False, parent=self
+            ),
         )
-        collapse = MaterialIconAction(
-            icon_name="unfold_less", tooltip="Collapse All DAP", checkable=False, parent=self
+        self.toolbar.components.add_safe(
+            "collapse",
+            MaterialIconAction(
+                icon_name="unfold_less", tooltip="Collapse All DAP", checkable=False, parent=self
+            ),
         )
-
-        self.toolbar.add_action("add", add, self)
-        self.toolbar.add_action("expand_all", expand, self)
-        self.toolbar.add_action("collapse_all", collapse, self)
+        bundle = ToolbarBundle("curve_tree", self.toolbar.components)
+        bundle.add_action("add")
+        bundle.add_action("expand")
+        bundle.add_action("collapse")
+        self.toolbar.add_bundle(bundle)
 
         # Add colormap widget (not updating waveform's color_palette until Send is pressed)
-        self.spacer = QWidget()
-        self.spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
-        self.toolbar.addWidget(self.spacer)
+        spacer = QWidget()
+        spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+
+        self.toolbar.components.add_safe("spacer", WidgetAction(widget=spacer, adjust_size=False))
+        bundle.add_action("spacer")
 
         # Renormalize colors button
-        renorm_action = MaterialIconAction(
-            icon_name="palette", tooltip="Normalize All Colors", checkable=False, parent=self
+        self.toolbar.components.add_safe(
+            "renormalize_colors",
+            MaterialIconAction(
+                icon_name="palette", tooltip="Normalize All Colors", checkable=False, parent=self
+            ),
         )
-        self.toolbar.add_action("renormalize_colors", renorm_action, self)
+        bundle.add_action("renormalize_colors")
+        renorm_action = self.toolbar.components.get_action("renormalize_colors")
         renorm_action.action.triggered.connect(lambda checked: self.renormalize_colors())
 
         self.colormap_widget = BECColorMapWidget(cmap=self.color_palette or "plasma")
-        self.toolbar.addWidget(self.colormap_widget)
+        self.toolbar.components.add_safe(
+            "colormap_widget", WidgetAction(widget=self.colormap_widget)
+        )
+        bundle.add_action("colormap_widget")
         self.colormap_widget.colormap_changed_signal.connect(self.handle_colormap_changed)
 
+        add = self.toolbar.components.get_action("add")
+        expand = self.toolbar.components.get_action("expand")
+        collapse = self.toolbar.components.get_action("collapse")
         add.action.triggered.connect(lambda checked: self.add_new_curve())
         expand.action.triggered.connect(lambda checked: self.expand_all_daps())
         collapse.action.triggered.connect(lambda checked: self.collapse_all_daps())
 
         self.layout.addWidget(self.toolbar)
 
+        self.toolbar.show_bundles(["curve_tree"])
+
     def _init_tree(self):
         """Initialize the QTreeWidget with 7 columns and compact widths."""
         self.tree = QTreeWidget()

bec_widgets/widgets/plots/waveform/waveform.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import json
-from typing import Any, Literal
+from typing import Literal
 
 import lmfit
 import numpy as np
@@ -29,7 +29,7 @@ from bec_widgets.utils.colors import Colors, set_theme
 from bec_widgets.utils.container_utils import WidgetContainerUtils
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
 from bec_widgets.utils.settings_dialog import SettingsDialog
-from bec_widgets.utils.toolbar import MaterialIconAction
+from bec_widgets.utils.toolbars.toolbar import MaterialIconAction
 from bec_widgets.widgets.dap.lmfit_dialog.lmfit_dialog import LMFitDialog
 from bec_widgets.widgets.plots.plot_base import PlotBase
 from bec_widgets.widgets.plots.waveform.curve import Curve, CurveConfig, DeviceSignal
@@ -96,6 +96,7 @@ class Waveform(PlotBase):
         "auto_range_x.setter",
         "auto_range_y",
         "auto_range_y.setter",
+        "auto_range",
         "x_log",
         "x_log.setter",
         "y_log",
@@ -182,6 +183,7 @@ class Waveform(PlotBase):
         self._init_roi_manager()
         self.dap_summary = None
         self.dap_summary_dialog = None
+        self._add_fit_parameters_popup()
         self._enable_roi_toolbar_action(False)  # default state where are no dap curves
         self._init_curve_dialog()
         self.curve_settings_dialog = None
@@ -214,6 +216,8 @@ class Waveform(PlotBase):
         # To fix the ViewAll action with clipToView activated
         self._connect_viewbox_menu_actions()
 
+        self.toolbar.show_bundles(["plot_export", "mouse_interaction", "roi", "axis_popup"])
+
     def _connect_viewbox_menu_actions(self):
         """Connect the viewbox menu action ViewAll to the custom reset_view method."""
         menu = self.plot_item.vb.menu
@@ -247,21 +251,21 @@ class Waveform(PlotBase):
         super().add_side_menus()
         self._add_dap_summary_side_menu()
 
-    def add_popups(self):
+    def _add_fit_parameters_popup(self):
         """
         Add popups to the Waveform widget.
         """
-        super().add_popups()
-        LMFitDialog_action = MaterialIconAction(
-            icon_name="monitoring", tooltip="Open Fit Parameters", checkable=True, parent=self
+        self.toolbar.components.add_safe(
+            "fit_params",
+            MaterialIconAction(
+                icon_name="monitoring", tooltip="Open Fit Parameters", checkable=True, parent=self
+            ),
         )
-        self.toolbar.add_action_to_bundle(
-            bundle_id="popup_bundle",
-            action_id="fit_params",
-            action=LMFitDialog_action,
-            target_widget=self,
+        self.toolbar.get_bundle("axis_popup").add_action("fit_params")
+
+        self.toolbar.components.get_action("fit_params").action.triggered.connect(
+            self.show_dap_summary_popup
         )
-        self.toolbar.widgets["fit_params"].action.triggered.connect(self.show_dap_summary_popup)
 
     @SafeSlot()
     def _reset_view(self):
@@ -290,14 +294,17 @@ class Waveform(PlotBase):
         Initialize the ROI manager for the Waveform widget.
         """
         # Add toolbar icon
-        roi = MaterialIconAction(
-            icon_name="align_justify_space_between",
-            tooltip="Add ROI region for DAP",
-            checkable=True,
-        )
-        self.toolbar.add_action_to_bundle(
-            bundle_id="roi", action_id="roi_linear", action=roi, target_widget=self
+        self.toolbar.components.add_safe(
+            "roi_linear",
+            MaterialIconAction(
+                icon_name="align_justify_space_between",
+                tooltip="Add ROI region for DAP",
+                checkable=True,
+                parent=self,
+            ),
         )
+        self.toolbar.get_bundle("roi").add_action("roi_linear")
+
         self._roi_manager = WaveformROIManager(self.plot_item, parent=self)
 
         # Connect manager signals -> forward them via Waveform's own signals
@@ -307,23 +314,30 @@ class Waveform(PlotBase):
         # Example: connect ROI changed to re-request DAP
         self.roi_changed.connect(self._on_roi_changed_for_dap)
         self._roi_manager.roi_active.connect(self.request_dap_update)
-        self.toolbar.widgets["roi_linear"].action.toggled.connect(self._roi_manager.toggle_roi)
+        self.toolbar.components.get_action("roi_linear").action.toggled.connect(
+            self._roi_manager.toggle_roi
+        )
 
     def _init_curve_dialog(self):
         """
         Initializes the Curve dialog within the toolbar.
         """
-        curve_settings = MaterialIconAction(
-            icon_name="timeline", tooltip="Show Curve dialog.", checkable=True
+        self.toolbar.components.add_safe(
+            "curve",
+            MaterialIconAction(
+                icon_name="timeline", tooltip="Show Curve dialog.", checkable=True, parent=self
+            ),
+        )
+        self.toolbar.get_bundle("axis_popup").add_action("curve")
+        self.toolbar.components.get_action("curve").action.triggered.connect(
+            self.show_curve_settings_popup
         )
-        self.toolbar.add_action("curve", curve_settings, target_widget=self)
-        self.toolbar.widgets["curve"].action.triggered.connect(self.show_curve_settings_popup)
 
     def show_curve_settings_popup(self):
         """
         Displays the curve settings popup to allow users to modify curve-related configurations.
         """
-        curve_action = self.toolbar.widgets["curve"].action
+        curve_action = self.toolbar.components.get_action("curve").action
 
         if self.curve_settings_dialog is None or not self.curve_settings_dialog.isVisible():
             curve_setting = CurveSetting(parent=self, target_widget=self)
@@ -347,7 +361,7 @@ class Waveform(PlotBase):
         self.curve_settings_dialog.close()
         self.curve_settings_dialog.deleteLater()
         self.curve_settings_dialog = None
-        self.toolbar.widgets["curve"].action.setChecked(False)
+        self.toolbar.components.get_action("curve").action.setChecked(False)
 
     @property
     def roi_region(self) -> tuple[float, float] | None:
@@ -394,9 +408,9 @@ class Waveform(PlotBase):
         Args:
             enable(bool): Enable or disable the ROI toolbar action.
         """
-        self.toolbar.widgets["roi_linear"].action.setEnabled(enable)
+        self.toolbar.components.get_action("roi_linear").action.setEnabled(enable)
         if enable is False:
-            self.toolbar.widgets["roi_linear"].action.setChecked(False)
+            self.toolbar.components.get_action("roi_linear").action.setChecked(False)
             self._roi_manager.toggle_roi(False)
 
     ################################################################################
@@ -420,7 +434,7 @@ class Waveform(PlotBase):
         """
         Show the DAP summary popup.
         """
-        fit_action = self.toolbar.widgets["fit_params"].action
+        fit_action = self.toolbar.components.get_action("fit_params").action
         if self.dap_summary_dialog is None or not self.dap_summary_dialog.isVisible():
             self.dap_summary = LMFitDialog(parent=self)
             self.dap_summary_dialog = QDialog(modal=False)
@@ -446,7 +460,7 @@ class Waveform(PlotBase):
         self.dap_summary.deleteLater()
         self.dap_summary_dialog.deleteLater()
         self.dap_summary_dialog = None
-        self.toolbar.widgets["fit_params"].action.setChecked(False)
+        self.toolbar.components.get_action("fit_params").action.setChecked(False)
 
     def _get_dap_from_target_widget(self) -> None:
         """Get the DAP data from the target widget and update the DAP dialog manually on creation."""
@@ -1096,8 +1110,7 @@ class Waveform(PlotBase):
             self.reset()
             self.new_scan.emit()
             self.new_scan_id.emit(current_scan_id)
-            self.auto_range_x = True
-            self.auto_range_y = True
+            self.auto_range(True)
             self.old_scan_id = self.scan_id
             self.scan_id = current_scan_id
             self.scan_item = self.queue.scan_storage.find_scan_by_ID(self.scan_id)  # live scan
@@ -1683,9 +1696,14 @@ class Waveform(PlotBase):
                 return None
 
         if hasattr(self.scan_item, "live_data"):
-            readout_priority = self.scan_item.status_message.info["readout_priority"]  # live data
+            readout_priority = self.scan_item.status_message.info.get(
+                "readout_priority"
+            )  # live data
         else:
-            readout_priority = self.scan_item.metadata["bec"]["readout_priority"]  # history
+            readout_priority = self.scan_item.metadata["bec"].get("readout_priority")  # history
+
+        if readout_priority is None:
+            return None
 
         # Reset sync/async curve lists
         self._async_curves.clear()

bec_widgets/widgets/services/bec_queue/bec_queue.py

@@ -9,7 +9,9 @@ from qtpy.QtWidgets import QHeaderView, QLabel, QTableWidget, QTableWidgetItem,
 from bec_widgets.utils.bec_connector import ConnectionConfig
 from bec_widgets.utils.bec_widget import BECWidget
 from bec_widgets.utils.compact_popup import CompactPopupWidget
-from bec_widgets.utils.toolbar import ModularToolBar, SeparatorAction, WidgetAction
+from bec_widgets.utils.toolbars.actions import WidgetAction
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
+from bec_widgets.utils.toolbars.toolbar import ModularToolBar
 from bec_widgets.widgets.control.buttons.button_abort.button_abort import AbortButton
 from bec_widgets.widgets.control.buttons.button_reset.button_reset import ResetButton
 from bec_widgets.widgets.control.buttons.button_resume.button_resume import ResumeButton
@@ -76,17 +78,26 @@ class BECQueue(BECWidget, CompactPopupWidget):
         """
         widget_label = QLabel(text="Live Queue", parent=self)
         widget_label.setStyleSheet("font-weight: bold;")
-        self.toolbar = ModularToolBar(
-            parent=self,
-            actions={
-                "widget_label": WidgetAction(widget=widget_label),
-                "separator_1": SeparatorAction(),
-                "resume": WidgetAction(widget=ResumeButton(parent=self, toolbar=False)),
-                "stop": WidgetAction(widget=StopButton(parent=self, toolbar=False)),
-                "reset": WidgetAction(widget=ResetButton(parent=self, toolbar=False)),
-            },
-            target_widget=self,
+        self.toolbar = ModularToolBar(parent=self)
+        self.toolbar.components.add_safe("widget_label", WidgetAction(widget=widget_label))
+        bundle = ToolbarBundle("queue_label", self.toolbar.components)
+        bundle.add_action("widget_label")
+        self.toolbar.add_bundle(bundle)
+
+        self.toolbar.add_action(
+            "resume", WidgetAction(widget=ResumeButton(parent=self, toolbar=True))
         )
+        self.toolbar.add_action("stop", WidgetAction(widget=StopButton(parent=self, toolbar=True)))
+        self.toolbar.add_action(
+            "reset", WidgetAction(widget=ResetButton(parent=self, toolbar=True))
+        )
+
+        control_bundle = ToolbarBundle("control", self.toolbar.components)
+        control_bundle.add_action("resume")
+        control_bundle.add_action("stop")
+        control_bundle.add_action("reset")
+        self.toolbar.add_bundle(control_bundle)
+        self.toolbar.show_bundles(["queue_label", "control"])
 
         self.addWidget(self.toolbar)
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "bec_widgets"
-version = "2.20.0"
+version = "2.22.2"
 description = "BEC Widgets"
 requires-python = ">=3.10"
 classifiers = [

tests/unit_tests/test_bec_dock.py

@@ -97,13 +97,15 @@ def test_new_dock_raises_for_invalid_name(bec_dock_area):
 # Toolbar Actions
 ###################################
 def test_toolbar_add_plot_waveform(bec_dock_area):
-    bec_dock_area.toolbar.widgets["menu_plots"].widgets["waveform"].trigger()
+    bec_dock_area.toolbar.components.get_action("menu_plots").actions["waveform"].action.trigger()
     assert "waveform_0" in bec_dock_area.panels
     assert bec_dock_area.panels["waveform_0"].widgets[0].config.widget_class == "Waveform"
 
 
 def test_toolbar_add_plot_scatter_waveform(bec_dock_area):
-    bec_dock_area.toolbar.widgets["menu_plots"].widgets["scatter_waveform"].trigger()
+    bec_dock_area.toolbar.components.get_action("menu_plots").actions[
+        "scatter_waveform"
+    ].action.trigger()
     assert "scatter_waveform_0" in bec_dock_area.panels
     assert (
         bec_dock_area.panels["scatter_waveform_0"].widgets[0].config.widget_class
@@ -112,19 +114,22 @@ def test_toolbar_add_plot_scatter_waveform(bec_dock_area):
 
 
 def test_toolbar_add_plot_image(bec_dock_area):
-    bec_dock_area.toolbar.widgets["menu_plots"].widgets["image"].trigger()
+    bec_dock_area.toolbar.components.get_action("menu_plots").actions["image"].action.trigger()
     assert "image_0" in bec_dock_area.panels
     assert bec_dock_area.panels["image_0"].widgets[0].config.widget_class == "Image"
 
 
 def test_toolbar_add_plot_motor_map(bec_dock_area):
-    bec_dock_area.toolbar.widgets["menu_plots"].widgets["motor_map"].trigger()
+    bec_dock_area.toolbar.components.get_action("menu_plots").actions["motor_map"].action.trigger()
     assert "motor_map_0" in bec_dock_area.panels
     assert bec_dock_area.panels["motor_map_0"].widgets[0].config.widget_class == "MotorMap"
 
 
 def test_toolbar_add_multi_waveform(bec_dock_area):
-    bec_dock_area.toolbar.widgets["menu_plots"].widgets["multi_waveform"].trigger()
+    bec_dock_area.toolbar.components.get_action("menu_plots").actions[
+        "multi_waveform"
+    ].action.trigger()
+    # Check if the MultiWaveform panel is created
     assert "multi_waveform_0" in bec_dock_area.panels
     assert (
         bec_dock_area.panels["multi_waveform_0"].widgets[0].config.widget_class == "MultiWaveform"
@@ -132,7 +137,9 @@ def test_toolbar_add_multi_waveform(bec_dock_area):
 
 
 def test_toolbar_add_device_positioner_box(bec_dock_area):
-    bec_dock_area.toolbar.widgets["menu_devices"].widgets["positioner_box"].trigger()
+    bec_dock_area.toolbar.components.get_action("menu_devices").actions[
+        "positioner_box"
+    ].action.trigger()
     assert "positioner_box_0" in bec_dock_area.panels
     assert (
         bec_dock_area.panels["positioner_box_0"].widgets[0].config.widget_class == "PositionerBox"
@@ -143,19 +150,21 @@ def test_toolbar_add_utils_queue(bec_dock_area, bec_queue_msg_full):
     bec_dock_area.client.connector.set_and_publish(
         MessageEndpoints.scan_queue_status(), bec_queue_msg_full
     )
-    bec_dock_area.toolbar.widgets["menu_utils"].widgets["queue"].trigger()
+    bec_dock_area.toolbar.components.get_action("menu_utils").actions["queue"].action.trigger()
     assert "bec_queue_0" in bec_dock_area.panels
     assert bec_dock_area.panels["bec_queue_0"].widgets[0].config.widget_class == "BECQueue"
 
 
 def test_toolbar_add_utils_status(bec_dock_area):
-    bec_dock_area.toolbar.widgets["menu_utils"].widgets["status"].trigger()
+    bec_dock_area.toolbar.components.get_action("menu_utils").actions["status"].action.trigger()
     assert "bec_status_box_0" in bec_dock_area.panels
     assert bec_dock_area.panels["bec_status_box_0"].widgets[0].config.widget_class == "BECStatusBox"
 
 
 def test_toolbar_add_utils_progress_bar(bec_dock_area):
-    bec_dock_area.toolbar.widgets["menu_utils"].widgets["progress_bar"].trigger()
+    bec_dock_area.toolbar.components.get_action("menu_utils").actions[
+        "progress_bar"
+    ].action.trigger()
     assert "ring_progress_bar_0" in bec_dock_area.panels
     assert (
         bec_dock_area.panels["ring_progress_bar_0"].widgets[0].config.widget_class

tests/unit_tests/test_crosshair.py

@@ -2,8 +2,10 @@ import numpy as np
 import pyqtgraph as pg
 import pytest
 from qtpy.QtCore import QPointF, Qt
+from qtpy.QtGui import QTransform
 
 from bec_widgets.utils import Crosshair
+from bec_widgets.widgets.plots.image.image_item import ImageItem
 
 # pylint: disable = redefined-outer-name
 
@@ -27,7 +29,7 @@ def image_widget_with_crosshair(qtbot):
     qtbot.addWidget(widget)
     qtbot.waitExposed(widget)
 
-    image_item = pg.ImageItem()
+    image_item = ImageItem()
     image_item.setImage(np.random.rand(100, 100))
 
     widget.addItem(image_item)
@@ -113,7 +115,7 @@ def test_mouse_moved_signals_2D(image_widget_with_crosshair):
 
     crosshair.mouse_moved(event_mock)
 
-    assert emitted_values_2D == [(str(id(image_item)), 21, 55)]
+    assert emitted_values_2D == [("ImageItem", 21, 55)]
 
 
 def test_mouse_moved_signals_2D_outside(image_widget_with_crosshair):
@@ -311,3 +313,53 @@ def test_crosshair_precision_properties_image(image_widget_with_crosshair):
 
     crosshair.precision = 2
     assert crosshair._current_precision() == 2
+
+
+def test_get_transformed_position(plot_widget_with_crosshair):
+    """Test that _get_transformed_position correctly transforms coordinates."""
+    crosshair, _ = plot_widget_with_crosshair
+
+    # Create a simple transform
+    transform = QTransform()
+    transform.translate(10, 20)  # Origin is now at (10, 20)
+
+    # Test coordinates
+    x, y = 5, 8
+
+    # Get the transformed position
+    row, col = crosshair._get_transformed_position(x, y, transform)
+
+    # Calculate expected values:
+    # row should be the y-offset from origin after transform
+    # col should be the x-offset from origin after transform
+    expected_row = QPointF(0, 8)  # y direction offset
+    expected_col = QPointF(5, 0)  # x direction offset
+
+    # Check that the results match expectations
+    assert row == expected_row
+    assert col == expected_col
+
+
+def test_get_transformed_position_with_scale(plot_widget_with_crosshair):
+    """Test that _get_transformed_position correctly handles scaling transformations."""
+    crosshair, _ = plot_widget_with_crosshair
+
+    # Create a transform with scaling
+    transform = QTransform()
+    transform.translate(10, 20)  # Origin is now at (10, 20)
+    transform.scale(2, 3)  # Scale x by 2 and y by 3
+
+    # Test coordinates
+    x, y = 5, 8
+
+    # Get the transformed position
+    row, col = crosshair._get_transformed_position(x, y, transform)
+
+    # Calculate expected values with scaling applied:
+    # For a scale transform, the offsets should be multiplied by the scale factors
+    expected_row = QPointF(0, 8 * 3)  # y direction offset with scale factor 3
+    expected_col = QPointF(5 * 2, 0)  # x direction offset with scale factor 2
+
+    # Check that the results match expectations
+    assert row == expected_row
+    assert col == expected_col

tests/unit_tests/test_curve_settings.py

@@ -157,10 +157,10 @@ def test_curve_tree_init(curve_tree_fixture):
     assert curve_tree.color_palette == "plasma"
     assert curve_tree.tree.columnCount() == 7
 
-    assert "add" in curve_tree.toolbar.widgets
-    assert "expand_all" in curve_tree.toolbar.widgets
-    assert "collapse_all" in curve_tree.toolbar.widgets
-    assert "renormalize_colors" in curve_tree.toolbar.widgets
+    assert curve_tree.toolbar.components.exists("add")
+    assert curve_tree.toolbar.components.exists("expand")
+    assert curve_tree.toolbar.components.exists("collapse")
+    assert curve_tree.toolbar.components.exists("renormalize_colors")
 
 
 def test_add_new_curve(curve_tree_fixture):

tests/unit_tests/test_device_signal_input.py

@@ -144,3 +144,12 @@ def test_signal_lineedit(device_signal_line_edit):
     assert device_signal_line_edit._is_valid_input is True
     device_signal_line_edit.setText("invalid")
     assert device_signal_line_edit._is_valid_input is False
+
+
+def test_device_signal_input_base_cleanup(qtbot, mocked_client):
+
+    widget = DeviceInputWidget(client=mocked_client)
+    widget.close()
+    widget.deleteLater()
+
+    mocked_client.callbacks.remove.assert_called_once_with(widget._device_update_register)

tests/unit_tests/test_heatmap_widget.py

@@ -0,0 +1,329 @@
+from unittest import mock
+
+import numpy as np
+import pytest
+from bec_lib import messages
+
+from bec_widgets.widgets.plots.heatmap.heatmap import Heatmap, HeatmapConfig, HeatmapDeviceSignal
+
+# pytest: disable=unused-import
+from tests.unit_tests.client_mocks import mocked_client
+
+from .client_mocks import create_dummy_scan_item
+
+
+@pytest.fixture
+def heatmap_widget(qtbot, mocked_client):
+    widget = Heatmap(client=mocked_client)
+    qtbot.addWidget(widget)
+    qtbot.waitExposed(widget)
+    yield widget
+
+
+def test_heatmap_plot(heatmap_widget):
+    heatmap_widget.plot(x_name="samx", y_name="samy", z_name="bpm4i")
+
+    assert heatmap_widget._image_config.x_device.name == "samx"
+    assert heatmap_widget._image_config.y_device.name == "samy"
+    assert heatmap_widget._image_config.z_device.name == "bpm4i"
+
+
+def test_heatmap_on_scan_status_no_scan_id(heatmap_widget):
+
+    scan_msg = messages.ScanStatusMessage(scan_id=None, status="open", metadata={}, info={})
+    with mock.patch.object(heatmap_widget, "reset") as mock_reset:
+
+        heatmap_widget.on_scan_status(scan_msg.content, scan_msg.metadata)
+        mock_reset.assert_not_called()
+
+
+def test_heatmap_on_scan_status_same_scan_id(heatmap_widget):
+    scan_msg = messages.ScanStatusMessage(scan_id="123", status="open", metadata={}, info={})
+    heatmap_widget.scan_id = "123"
+    with mock.patch.object(heatmap_widget, "reset") as mock_reset:
+        heatmap_widget.on_scan_status(scan_msg.content, scan_msg.metadata)
+        mock_reset.assert_not_called()
+
+
+def test_heatmap_widget_on_scan_status_different_scan_id(heatmap_widget):
+    scan_msg = messages.ScanStatusMessage(scan_id="123", status="open", metadata={}, info={})
+    heatmap_widget.scan_id = "456"
+    with mock.patch.object(heatmap_widget, "reset") as mock_reset:
+        heatmap_widget.on_scan_status(scan_msg.content, scan_msg.metadata)
+        mock_reset.assert_called_once()
+
+
+def test_heatmap_get_image_data_missing_data(heatmap_widget):
+    """
+    If the data is missing or incomplete, the method should return None.
+    """
+    assert heatmap_widget.get_image_data() == (None, None)
+
+
+def test_heatmap_get_image_data_grid_scan(heatmap_widget):
+    scan_msg = messages.ScanStatusMessage(
+        scan_id="123",
+        status="open",
+        scan_name="grid_scan",
+        metadata={},
+        info={},
+        request_inputs={"arg_bundle": ["samx", -5, 5, 10, "samy", -5, 5, 10], "kwargs": {}},
+    )
+    heatmap_widget.plot(x_name="samx", y_name="samy", z_name="bpm4i")
+
+    heatmap_widget.status_message = scan_msg
+    with mock.patch.object(heatmap_widget, "get_grid_scan_image") as mock_get_grid_scan_image:
+        heatmap_widget.get_image_data(x_data=[1, 2], y_data=[3, 4], z_data=[5, 6])
+        mock_get_grid_scan_image.assert_called_once()
+
+
+def test_heatmap_get_image_data_step_scan(heatmap_widget):
+    """
+    If the step scan has too few points, it should return None.
+    """
+    scan_msg = messages.ScanStatusMessage(
+        scan_id="123",
+        status="open",
+        scan_name="step_scan",
+        scan_type="step",
+        metadata={},
+        info={"positions": [[1, 2, 3, 4], [1, 2, 3, 4], [1, 2, 3, 4], [1, 2, 3, 4]]},
+    )
+    with mock.patch.object(heatmap_widget, "get_step_scan_image") as mock_get_step_scan_image:
+        heatmap_widget.status_message = scan_msg
+        heatmap_widget.get_image_data(x_data=[1, 2, 3, 4], y_data=[1, 2, 3, 4], z_data=[1, 2, 5, 6])
+        mock_get_step_scan_image.assert_called_once()
+
+
+def test_heatmap_get_image_data_step_scan_too_few_points(heatmap_widget):
+    """
+    If the step scan has too few points, it should return None.
+    """
+    scan_msg = messages.ScanStatusMessage(
+        scan_id="123",
+        status="open",
+        scan_name="step_scan",
+        scan_type="step",
+        metadata={},
+        info={"positions": [[1, 2], [3, 4]]},
+    )
+    heatmap_widget.status_message = scan_msg
+    out = heatmap_widget.get_image_data(x_data=[1, 2], y_data=[3, 4], z_data=[5, 6])
+    assert out == (None, None)
+
+
+def test_heatmap_get_image_data_unsupported_scan(heatmap_widget):
+    scan_msg = messages.ScanStatusMessage(
+        scan_id="123", status="open", scan_type="fly", metadata={}, info={}
+    )
+    heatmap_widget.status_message = scan_msg
+    assert heatmap_widget.get_image_data(x_data=[1, 2], y_data=[3, 4], z_data=[5, 6]) == (
+        None,
+        None,
+    )
+
+
+def test_heatmap_get_grid_scan_image(heatmap_widget):
+    scan_msg = messages.ScanStatusMessage(
+        scan_id="123",
+        status="open",
+        scan_name="grid_scan",
+        metadata={},
+        info={"positions": np.random.rand(100, 2).tolist()},
+        request_inputs={"arg_bundle": ["samx", -5, 5, 10, "samy", -5, 5, 10], "kwargs": {}},
+    )
+    heatmap_widget._image_config = HeatmapConfig(
+        parent_id="parent_id",
+        x_device=HeatmapDeviceSignal(name="samx", entry="samx"),
+        y_device=HeatmapDeviceSignal(name="samy", entry="samy"),
+        z_device=HeatmapDeviceSignal(name="bpm4i", entry="bpm4i"),
+        color_map="viridis",
+    )
+    img, _ = heatmap_widget.get_grid_scan_image(list(range(100)), msg=scan_msg)
+    assert img.shape == (10, 10)
+    assert sorted(np.asarray(img, dtype=int).flatten().tolist()) == list(range(100))
+
+
+def test_heatmap_get_step_scan_image(heatmap_widget):
+
+    scan_msg = messages.ScanStatusMessage(
+        scan_id="123",
+        status="open",
+        scan_name="step_scan",
+        scan_type="step",
+        metadata={},
+        info={"positions": np.random.rand(100, 2).tolist()},
+    )
+    heatmap_widget.status_message = scan_msg
+    heatmap_widget.scan_item = create_dummy_scan_item()
+    heatmap_widget.scan_item.status_message = scan_msg
+    heatmap_widget._image_config = HeatmapConfig(
+        parent_id="parent_id",
+        x_device=HeatmapDeviceSignal(name="samx", entry="samx"),
+        y_device=HeatmapDeviceSignal(name="samy", entry="samy"),
+        z_device=HeatmapDeviceSignal(name="bpm4i", entry="bpm4i"),
+        color_map="viridis",
+    )
+    img, _ = heatmap_widget.get_step_scan_image(
+        list(np.random.rand(100)), list(np.random.rand(100)), list(range(100)), msg=scan_msg
+    )
+    assert img.shape > (10, 10)
+
+
+def test_heatmap_update_plot_no_scan_item(heatmap_widget):
+    heatmap_widget._image_config = HeatmapConfig(
+        parent_id="parent_id",
+        x_device=HeatmapDeviceSignal(name="samx", entry="samx"),
+        y_device=HeatmapDeviceSignal(name="samy", entry="samy"),
+        z_device=HeatmapDeviceSignal(name="bpm4i", entry="bpm4i"),
+        color_map="viridis",
+    )
+    with mock.patch.object(heatmap_widget.main_image, "setImage") as mock_set_image:
+        heatmap_widget.update_plot(_override_slot_params={"verify_sender": False})
+        mock_set_image.assert_not_called()
+
+
+def test_heatmap_update_plot(heatmap_widget):
+    heatmap_widget._image_config = HeatmapConfig(
+        parent_id="parent_id",
+        x_device=HeatmapDeviceSignal(name="samx", entry="samx"),
+        y_device=HeatmapDeviceSignal(name="samy", entry="samy"),
+        z_device=HeatmapDeviceSignal(name="bpm4i", entry="bpm4i"),
+        color_map="viridis",
+    )
+    heatmap_widget.scan_item = create_dummy_scan_item()
+    heatmap_widget.scan_item.status_message = messages.ScanStatusMessage(
+        scan_id="123",
+        status="open",
+        scan_name="grid_scan",
+        metadata={},
+        info={"positions": np.random.rand(100, 2).tolist()},
+        request_inputs={"arg_bundle": ["samx", -5, 5, 10, "samy", -5, 5, 10], "kwargs": {}},
+    )
+    with mock.patch.object(heatmap_widget.main_image, "setImage") as mock_set_image:
+        heatmap_widget.update_plot(_override_slot_params={"verify_sender": False})
+        img = mock_set_image.mock_calls[0].args[0]
+        assert img.shape == (10, 10)
+
+
+def test_heatmap_update_plot_without_status_message(heatmap_widget):
+    heatmap_widget._image_config = HeatmapConfig(
+        parent_id="parent_id",
+        x_device=HeatmapDeviceSignal(name="samx", entry="samx"),
+        y_device=HeatmapDeviceSignal(name="samy", entry="samy"),
+        z_device=HeatmapDeviceSignal(name="bpm4i", entry="bpm4i"),
+        color_map="viridis",
+    )
+    heatmap_widget.scan_item = create_dummy_scan_item()
+    heatmap_widget.scan_item.status_message = None
+    with mock.patch.object(heatmap_widget.main_image, "setImage") as mock_set_image:
+        heatmap_widget.update_plot(_override_slot_params={"verify_sender": False})
+        mock_set_image.assert_not_called()
+
+
+def test_heatmap_update_plot_no_img_data(heatmap_widget):
+    heatmap_widget._image_config = HeatmapConfig(
+        parent_id="parent_id",
+        x_device=HeatmapDeviceSignal(name="samx", entry="samx"),
+        y_device=HeatmapDeviceSignal(name="samy", entry="samy"),
+        z_device=HeatmapDeviceSignal(name="bpm4i", entry="bpm4i"),
+        color_map="viridis",
+    )
+    heatmap_widget.scan_item = create_dummy_scan_item()
+    heatmap_widget.scan_item.status_message = messages.ScanStatusMessage(
+        scan_id="123",
+        status="open",
+        scan_name="grid_scan",
+        metadata={},
+        info={},
+        request_inputs={"arg_bundle": ["samx", -5, 5, 10, "samy", -5, 5, 10], "kwargs": {}},
+    )
+    with mock.patch.object(heatmap_widget, "get_image_data", return_value=None):
+        with mock.patch.object(heatmap_widget.main_image, "setImage") as mock_set_image:
+            heatmap_widget.update_plot(_override_slot_params={"verify_sender": False})
+            mock_set_image.assert_not_called()
+
+
+def test_heatmap_settings_popup(heatmap_widget, qtbot):
+    """
+    Test that the settings popup opens and contains the expected elements.
+    """
+    settings_action = heatmap_widget.toolbar.components.get_action("heatmap_settings").action
+    heatmap_widget.show_heatmap_settings()
+    qtbot.waitUntil(lambda: heatmap_widget.heatmap_dialog is not None)
+
+    assert heatmap_widget.heatmap_dialog.isVisible()
+
+    assert settings_action.isChecked()
+
+    heatmap_widget.heatmap_dialog.reject()
+    qtbot.waitUntil(lambda: heatmap_widget.heatmap_dialog is None)
+
+    assert not settings_action.isChecked()
+
+
+def test_heatmap_settings_popup_already_open(heatmap_widget, qtbot):
+    """
+    Test that if the settings dialog is already open, it is brought to the front.
+    """
+    heatmap_widget.show_heatmap_settings()
+    qtbot.waitUntil(lambda: heatmap_widget.heatmap_dialog is not None)
+
+    initial_dialog = heatmap_widget.heatmap_dialog
+
+    heatmap_widget.show_heatmap_settings()
+    qtbot.waitUntil(lambda: heatmap_widget.heatmap_dialog is initial_dialog)
+
+    assert heatmap_widget.heatmap_dialog.isVisible()  # Dialog should still be visible
+    assert heatmap_widget.heatmap_dialog is initial_dialog  # Should be the same dialog
+
+    heatmap_widget.heatmap_dialog.reject()
+    qtbot.waitUntil(lambda: heatmap_widget.heatmap_dialog is None)
+
+
+def test_heatmap_settings_popup_accept_changes(heatmap_widget, qtbot):
+    """
+    Test that changes made in the settings dialog are applied correctly.
+    """
+    heatmap_widget.plot(x_name="samx", y_name="samy", z_name="bpm4i")
+    assert heatmap_widget.color_map == "plasma"  # Default colormap
+    heatmap_widget.show_heatmap_settings()
+    qtbot.waitUntil(lambda: heatmap_widget.heatmap_dialog is not None)
+
+    dialog = heatmap_widget.heatmap_dialog
+    assert dialog.widget.isVisible()
+
+    # Simulate changing a setting
+    dialog.widget.ui.color_map.colormap = "viridis"
+
+    # Accept changes
+    dialog.accept()
+
+    qtbot.waitUntil(lambda: heatmap_widget.heatmap_dialog is None)
+
+    # Verify that the setting was applied
+    assert heatmap_widget.color_map == "viridis"
+
+
+def test_heatmap_settings_popup_show_settings(heatmap_widget, qtbot):
+    """
+    Test that the settings dialog opens and contains the expected elements.
+    """
+    heatmap_widget.plot(x_name="samx", y_name="samy", z_name="bpm4i")
+    heatmap_widget.show_heatmap_settings()
+    qtbot.waitUntil(lambda: heatmap_widget.heatmap_dialog is not None)
+
+    dialog = heatmap_widget.heatmap_dialog
+    assert dialog.isVisible()
+    assert dialog.widget is not None
+    assert hasattr(dialog.widget.ui, "color_map")
+    assert hasattr(dialog.widget.ui, "x_name")
+    assert hasattr(dialog.widget.ui, "y_name")
+    assert hasattr(dialog.widget.ui, "z_name")
+
+    # Check that the ui elements are correctly initialized
+    assert dialog.widget.ui.color_map.colormap == heatmap_widget.color_map
+    assert dialog.widget.ui.x_name.text() == heatmap_widget._image_config.x_device.name
+
+    dialog.reject()
+    qtbot.waitUntil(lambda: heatmap_widget.heatmap_dialog is None)

tests/unit_tests/test_image_roi_tree.py

@@ -39,9 +39,11 @@ def test_initialization(roi_tree, image_widget):
     assert len(roi_tree.tree.findItems("", Qt.MatchContains)) == 0  # Empty tree initially
 
     # Check toolbar actions
-    assert hasattr(roi_tree, "add_rect_action")
-    assert hasattr(roi_tree, "add_circle_action")
-    assert hasattr(roi_tree, "expand_toggle")
+    assert roi_tree.toolbar.components.get_action("roi_rectangle")
+    assert roi_tree.toolbar.components.get_action("roi_circle")
+    assert roi_tree.toolbar.components.get_action("roi_ellipse")
+    assert roi_tree.toolbar.components.get_action("expand_toggle")
+    assert roi_tree.toolbar.components.get_action("lock_unlock_all")
 
     # Check tree view setup
     assert roi_tree.tree.columnCount() == 3
@@ -216,23 +218,25 @@ def test_draw_mode_toggle(roi_tree, qtbot):
     assert roi_tree._roi_draw_mode is None
 
     # Toggle rect mode on
-    roi_tree.add_rect_action.action.toggle()
+    rect_action = roi_tree.toolbar.components.get_action("roi_rectangle").action
+    circle_action = roi_tree.toolbar.components.get_action("roi_circle").action
+    rect_action.toggle()
     assert roi_tree._roi_draw_mode == "rect"
-    assert roi_tree.add_rect_action.action.isChecked()
-    assert not roi_tree.add_circle_action.action.isChecked()
+    assert rect_action.isChecked()
+    assert not circle_action.isChecked()
 
     # Toggle circle mode on (should turn off rect mode)
-    roi_tree.add_circle_action.action.toggle()
+    circle_action.toggle()
     qtbot.wait(200)
     assert roi_tree._roi_draw_mode == "circle"
-    assert not roi_tree.add_rect_action.action.isChecked()
-    assert roi_tree.add_circle_action.action.isChecked()
+    assert not rect_action.isChecked()
+    assert circle_action.isChecked()
 
     # Toggle circle mode off
-    roi_tree.add_circle_action.action.toggle()
+    circle_action.toggle()
     assert roi_tree._roi_draw_mode is None
-    assert not roi_tree.add_rect_action.action.isChecked()
-    assert not roi_tree.add_circle_action.action.isChecked()
+    assert not circle_action.isChecked()
+    assert not rect_action.isChecked()
 
 
 def test_add_roi_from_toolbar(qtbot, mocked_client):
@@ -250,7 +254,7 @@ def test_add_roi_from_toolbar(qtbot, mocked_client):
 
     # Test rectangle ROI creation
     # 1. Activate rectangle drawing mode
-    roi_tree.add_rect_action.action.setChecked(True)
+    roi_tree.toolbar.components.get_action("roi_rectangle").action.setChecked(True)
     assert roi_tree._roi_draw_mode == "rect"
 
     # Get plot widget and view
@@ -294,8 +298,8 @@ def test_add_roi_from_toolbar(qtbot, mocked_client):
 
     # Test circle ROI creation
     # Reset ROI draw mode
-    roi_tree.add_rect_action.action.setChecked(False)
-    roi_tree.add_circle_action.action.setChecked(True)
+    roi_tree.toolbar.components.get_action("roi_rectangle").action.setChecked(False)
+    roi_tree.toolbar.components.get_action("roi_circle").action.setChecked(True)
     assert roi_tree._roi_draw_mode == "circle"
 
     # Define new positions for circle ROI

tests/unit_tests/test_image_view_next_gen.py

@@ -242,10 +242,11 @@ def test_image_data_update_1d(qtbot, mocked_client):
 
 def test_toolbar_actions_presence(qtbot, mocked_client):
     bec_image_view = create_widget(qtbot, Image, client=mocked_client)
-    assert "autorange_image" in bec_image_view.toolbar.widgets
-    assert "lock_aspect_ratio" in bec_image_view.toolbar.bundles["mouse_interaction"]
-    assert "processing" in bec_image_view.toolbar.bundles
-    assert "selection" in bec_image_view.toolbar.bundles
+    assert bec_image_view.toolbar.components.exists("image_autorange")
+    assert bec_image_view.toolbar.components.exists("lock_aspect_ratio")
+    assert bec_image_view.toolbar.components.exists("image_processing_fft")
+    assert bec_image_view.toolbar.components.exists("image_device_combo")
+    assert bec_image_view.toolbar.components.exists("image_dim_combo")
 
 
 def test_image_processing_fft_toggle(qtbot, mocked_client):
@@ -304,8 +305,8 @@ def test_setting_vrange_with_colorbar(qtbot, mocked_client, colorbar_type):
 def test_setup_image_from_toolbar(qtbot, mocked_client):
     bec_image_view = create_widget(qtbot, Image, client=mocked_client)
 
-    bec_image_view.selection_bundle.device_combo_box.setCurrentText("eiger")
-    bec_image_view.selection_bundle.dim_combo_box.setCurrentText("2d")
+    bec_image_view.device_combo_box.setCurrentText("eiger")
+    bec_image_view.dim_combo_box.setCurrentText("2d")
 
     assert bec_image_view.monitor == "eiger"
     assert bec_image_view.subscriptions["main"].source == "device_monitor_2d"
@@ -318,17 +319,17 @@ def test_image_actions_interactions(qtbot, mocked_client):
     bec_image_view = create_widget(qtbot, Image, client=mocked_client)
     bec_image_view.autorange = False  # Change the initial state to False
 
-    bec_image_view.autorange_mean_action.action.trigger()
+    bec_image_view.toolbar.components.get_action("image_autorange_mean").action.trigger()
     assert bec_image_view.autorange is True
     assert bec_image_view.main_image.autorange is True
     assert bec_image_view.autorange_mode == "mean"
 
-    bec_image_view.autorange_max_action.action.trigger()
+    bec_image_view.toolbar.components.get_action("image_autorange_max").action.trigger()
     assert bec_image_view.autorange is True
     assert bec_image_view.main_image.autorange is True
     assert bec_image_view.autorange_mode == "max"
 
-    bec_image_view.toolbar.widgets["lock_aspect_ratio"].action.trigger()
+    bec_image_view.toolbar.components.get_action("lock_aspect_ratio").action.trigger()
     assert bec_image_view.lock_aspect_ratio is False
     assert bool(bec_image_view.plot_item.getViewBox().state["aspectLocked"]) is False
 
@@ -336,7 +337,7 @@ def test_image_actions_interactions(qtbot, mocked_client):
 def test_image_toggle_action_fft(qtbot, mocked_client):
     bec_image_view = create_widget(qtbot, Image, client=mocked_client)
 
-    bec_image_view.processing_bundle.fft.action.trigger()
+    bec_image_view.toolbar.components.get_action("image_processing_fft").action.trigger()
 
     assert bec_image_view.fft is True
     assert bec_image_view.main_image.fft is True
@@ -346,7 +347,7 @@ def test_image_toggle_action_fft(qtbot, mocked_client):
 def test_image_toggle_action_log(qtbot, mocked_client):
     bec_image_view = create_widget(qtbot, Image, client=mocked_client)
 
-    bec_image_view.processing_bundle.log.action.trigger()
+    bec_image_view.toolbar.components.get_action("image_processing_log").action.trigger()
 
     assert bec_image_view.log is True
     assert bec_image_view.main_image.log is True
@@ -356,7 +357,7 @@ def test_image_toggle_action_log(qtbot, mocked_client):
 def test_image_toggle_action_transpose(qtbot, mocked_client):
     bec_image_view = create_widget(qtbot, Image, client=mocked_client)
 
-    bec_image_view.processing_bundle.transpose.action.trigger()
+    bec_image_view.toolbar.components.get_action("image_processing_transpose").action.trigger()
 
     assert bec_image_view.transpose is True
     assert bec_image_view.main_image.transpose is True
@@ -366,7 +367,7 @@ def test_image_toggle_action_transpose(qtbot, mocked_client):
 def test_image_toggle_action_rotate_right(qtbot, mocked_client):
     bec_image_view = create_widget(qtbot, Image, client=mocked_client)
 
-    bec_image_view.processing_bundle.right.action.trigger()
+    bec_image_view.toolbar.components.get_action("image_processing_rotate_right").action.trigger()
 
     assert bec_image_view.num_rotation_90 == 3
     assert bec_image_view.main_image.num_rotation_90 == 3
@@ -376,7 +377,7 @@ def test_image_toggle_action_rotate_right(qtbot, mocked_client):
 def test_image_toggle_action_rotate_left(qtbot, mocked_client):
     bec_image_view = create_widget(qtbot, Image, client=mocked_client)
 
-    bec_image_view.processing_bundle.left.action.trigger()
+    bec_image_view.toolbar.components.get_action("image_processing_rotate_left").action.trigger()
 
     assert bec_image_view.num_rotation_90 == 1
     assert bec_image_view.main_image.num_rotation_90 == 1
@@ -392,7 +393,7 @@ def test_image_toggle_action_reset(qtbot, mocked_client):
     bec_image_view.transpose = True
     bec_image_view.num_rotation_90 = 2
 
-    bec_image_view.processing_bundle.reset.action.trigger()
+    bec_image_view.toolbar.components.get_action("image_processing_reset").action.trigger()
 
     assert bec_image_view.num_rotation_90 == 0
     assert bec_image_view.main_image.num_rotation_90 == 0
@@ -473,8 +474,8 @@ def test_show_roi_manager_popup(qtbot, mocked_client):
     view = create_widget(qtbot, Image, client=mocked_client, popups=True)
 
     # ROI-manager toggle is exposed via the toolbar.
-    assert "roi_mgr" in view.toolbar.widgets
-    roi_action = view.toolbar.widgets["roi_mgr"].action
+    assert view.toolbar.components.exists("roi_mgr")
+    roi_action = view.toolbar.components.get_action("roi_mgr").action
     assert roi_action.isChecked() is False, "Should start unchecked"
 
     # Open the popup.
@@ -497,10 +498,10 @@ def test_show_roi_manager_popup(qtbot, mocked_client):
 
 def test_crosshair_roi_panels_visibility(qtbot, mocked_client):
     """
-    Verify that enabling the ROI‑crosshair shows ROI panels and disabling hides them.
+    Verify that enabling the ROI-crosshair shows ROI panels and disabling hides them.
     """
     bec_image_view = create_widget(qtbot, Image, client=mocked_client)
-    switch = bec_image_view.toolbar.widgets["switch_crosshair"]
+    switch = bec_image_view.toolbar.components.get_action("image_switch_crosshair")
 
     # Initially panels should be hidden
     assert bec_image_view.side_panel_x.panel_height == 0
@@ -548,7 +549,7 @@ def test_roi_plot_data_from_image(qtbot, mocked_client):
     bec_image_view.on_image_update_2d({"data": test_data}, {})
 
     # Activate ROI crosshair
-    switch = bec_image_view.toolbar.widgets["switch_crosshair"]
+    switch = bec_image_view.toolbar.components.get_action("image_switch_crosshair")
     switch.actions["crosshair_roi"].action.trigger()
     qtbot.wait(50)
 
@@ -579,11 +580,10 @@ def test_roi_plot_data_from_image(qtbot, mocked_client):
 def test_monitor_selection_reverse_device_items(qtbot, mocked_client):
     """
     Verify that _reverse_device_items correctly reverses the order of items in the
-    device combo‑box while preserving the current selection.
+    device combobox while preserving the current selection.
     """
     view = create_widget(qtbot, Image, client=mocked_client)
-    bundle = view.selection_bundle
-    combo = bundle.device_combo_box
+    combo = view.device_combo_box
 
     # Replace existing items with a deterministic list
     combo.clear()
@@ -593,7 +593,7 @@ def test_monitor_selection_reverse_device_items(qtbot, mocked_client):
     combo.setCurrentText("samy")
 
     # Reverse the items
-    bundle._reverse_device_items()
+    view._reverse_device_items()
 
     # Order should be reversed and selection preserved
     assert [combo.itemText(i) for i in range(combo.count())] == ["samz", "samy", "samx"]
@@ -606,7 +606,6 @@ def test_monitor_selection_populate_preview_signals(qtbot, mocked_client, monkey
     with the correct userData.
     """
     view = create_widget(qtbot, Image, client=mocked_client)
-    bundle = view.selection_bundle
 
     # Provide a deterministic fake device_manager with get_bec_signals
     class _FakeDM:
@@ -618,27 +617,26 @@ def test_monitor_selection_populate_preview_signals(qtbot, mocked_client, monkey
 
     monkeypatch.setattr(view.client, "device_manager", _FakeDM())
 
-    initial_count = bundle.device_combo_box.count()
+    initial_count = view.device_combo_box.count()
 
-    bundle._populate_preview_signals()
+    view._populate_preview_signals()
 
     # Two new entries should have been added
-    assert bundle.device_combo_box.count() == initial_count + 2
+    assert view.device_combo_box.count() == initial_count + 2
 
     # The first newly added item should carry tuple userData describing the device/signal
-    data = bundle.device_combo_box.itemData(initial_count)
+    data = view.device_combo_box.itemData(initial_count)
     assert isinstance(data, tuple) and data[0] == "eiger"
 
 
 def test_monitor_selection_adjust_and_connect(qtbot, mocked_client, monkeypatch):
     """
-    Verify that _adjust_and_connect performs the full set‑up:
-    ‑ fills the combo‑box with preview signals,
-    ‑ reverses their order,
-    ‑ and resets the currentText to an empty string.
+    Verify that _adjust_and_connect performs the full set-up:
+    - fills the combobox with preview signals,
+    - reverses their order,
+    - and resets the currentText to an empty string.
     """
     view = create_widget(qtbot, Image, client=mocked_client)
-    bundle = view.selection_bundle
 
     # Deterministic fake device_manager
     class _FakeDM:
@@ -647,14 +645,14 @@ def test_monitor_selection_adjust_and_connect(qtbot, mocked_client, monkeypatch)
 
     monkeypatch.setattr(view.client, "device_manager", _FakeDM())
 
-    combo = bundle.device_combo_box
+    combo = view.device_combo_box
     # Start from a clean state
     combo.clear()
     combo.addItem("", None)
     combo.setCurrentText("")
 
     # Execute the method under test
-    bundle._adjust_and_connect()
+    view._adjust_and_connect()
 
     # Expect exactly two items: preview label followed by the empty default
     assert combo.count() == 2

tests/unit_tests/test_modular_toolbar.py

@@ -5,19 +5,18 @@ from qtpy.QtCore import QPoint, Qt
 from qtpy.QtGui import QContextMenuEvent
 from qtpy.QtWidgets import QComboBox, QLabel, QMenu, QStyle, QToolButton, QWidget
 
-from bec_widgets.utils.toolbar import (
+from bec_widgets.utils.toolbars.actions import (
     DeviceSelectionAction,
     ExpandableMenuAction,
-    IconAction,
     LongPressToolButton,
     MaterialIconAction,
-    ModularToolBar,
     QtIconAction,
     SeparatorAction,
     SwitchableToolBarAction,
-    ToolbarBundle,
     WidgetAction,
 )
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
+from bec_widgets.utils.toolbars.toolbar import ModularToolBar
 
 
 @pytest.fixture
@@ -34,14 +33,12 @@ def toolbar_fixture(qtbot, request, dummy_widget):
     """Parametrized fixture to create a ModularToolBar with different orientations."""
     orientation: Literal["horizontal", "vertical"] = request.param
     toolbar = ModularToolBar(
-        target_widget=dummy_widget,
         orientation=orientation,
         background_color="rgba(255, 255, 255, 255)",  # White background for testing
     )
     qtbot.addWidget(toolbar)
     qtbot.waitExposed(toolbar)
     yield toolbar
-    toolbar.close()
 
 
 @pytest.fixture
@@ -50,12 +47,6 @@ def separator_action():
     return SeparatorAction()
 
 
-@pytest.fixture
-def icon_action():
-    """Fixture to create an IconAction."""
-    return IconAction(icon_path="assets/BEC-Icon.png", tooltip="Test Icon Action", checkable=True)
-
-
 @pytest.fixture
 def material_icon_action():
     """Fixture to create a MaterialIconAction."""
@@ -64,6 +55,14 @@ def material_icon_action():
     )
 
 
+@pytest.fixture
+def material_icon_action_2():
+    """Fixture to create another MaterialIconAction."""
+    return MaterialIconAction(
+        icon_name="home", tooltip="Test Material Icon Action 2", checkable=False
+    )
+
+
 @pytest.fixture
 def qt_icon_action():
     """Fixture to create a QtIconAction."""
@@ -121,7 +120,7 @@ def test_initialization(toolbar_fixture):
     else:
         pytest.fail("Toolbar orientation is neither horizontal nor vertical.")
     assert toolbar.background_color == "rgba(255, 255, 255, 255)"
-    assert toolbar.widgets == {}
+    assert len(toolbar.components._components) == 1  # only the separator
     assert not toolbar.isMovable()
     assert not toolbar.isFloatable()
 
@@ -152,80 +151,60 @@ def test_set_orientation(toolbar_fixture, qtbot, dummy_widget):
         assert toolbar.orientation() == Qt.Vertical
 
 
-def test_add_action(
-    toolbar_fixture,
-    icon_action,
-    separator_action,
-    material_icon_action,
-    qt_icon_action,
-    dummy_widget,
-):
-    """Test adding different types of actions to the toolbar."""
+def test_add_action(toolbar_fixture, material_icon_action, qt_icon_action):
+    """Test adding different types of actions to the toolbar components."""
     toolbar = toolbar_fixture
 
-    # Add IconAction
-    toolbar.add_action("icon_action", icon_action, dummy_widget)
-    assert "icon_action" in toolbar.widgets
-    assert toolbar.widgets["icon_action"] == icon_action
-    assert icon_action.action in toolbar.actions()
-
-    # Add SeparatorAction
-    toolbar.add_action("separator_action", separator_action, dummy_widget)
-    assert "separator_action" in toolbar.widgets
-    assert toolbar.widgets["separator_action"] == separator_action
-
     # Add MaterialIconAction
-    toolbar.add_action("material_icon_action", material_icon_action, dummy_widget)
-    assert "material_icon_action" in toolbar.widgets
-    assert toolbar.widgets["material_icon_action"] == material_icon_action
-    assert material_icon_action.action in toolbar.actions()
+    toolbar.add_action("material_icon_action", material_icon_action)
+    assert toolbar.components.exists("material_icon_action")
+    assert toolbar.components.get_action("material_icon_action") == material_icon_action
 
     # Add QtIconAction
-    toolbar.add_action("qt_icon_action", qt_icon_action, dummy_widget)
-    assert "qt_icon_action" in toolbar.widgets
-    assert toolbar.widgets["qt_icon_action"] == qt_icon_action
-    assert qt_icon_action.action in toolbar.actions()
+    toolbar.add_action("qt_icon_action", qt_icon_action)
+    assert toolbar.components.exists("qt_icon_action")
+    assert toolbar.components.get_action("qt_icon_action") == qt_icon_action
 
 
-def test_hide_show_action(toolbar_fixture, icon_action, qtbot, dummy_widget):
+def test_hide_show_action(toolbar_fixture, qt_icon_action, qtbot):
     """Test hiding and showing actions on the toolbar."""
     toolbar = toolbar_fixture
 
     # Add an action
-    toolbar.add_action("icon_action", icon_action, dummy_widget)
-    assert icon_action.action.isVisible()
+    toolbar.add_action("icon_action", qt_icon_action)
+    assert qt_icon_action.action.isVisible()
 
     # Hide the action
     toolbar.hide_action("icon_action")
     qtbot.wait(100)
-    assert not icon_action.action.isVisible()
+    assert not qt_icon_action.action.isVisible()
 
     # Show the action
     toolbar.show_action("icon_action")
     qtbot.wait(100)
-    assert icon_action.action.isVisible()
+    assert qt_icon_action.action.isVisible()
 
 
-def test_add_duplicate_action(toolbar_fixture, icon_action, dummy_widget):
+def test_add_duplicate_action(toolbar_fixture, qt_icon_action):
     """Test that adding an action with a duplicate action_id raises a ValueError."""
     toolbar = toolbar_fixture
 
     # Add an action
-    toolbar.add_action("icon_action", icon_action, dummy_widget)
-    assert "icon_action" in toolbar.widgets
+    toolbar.add_action("qt_icon_action", qt_icon_action)
+    assert toolbar.components.exists("qt_icon_action")
 
     # Attempt to add another action with the same ID
     with pytest.raises(ValueError) as excinfo:
-        toolbar.add_action("icon_action", icon_action, dummy_widget)
-    assert "Action with ID 'icon_action' already exists." in str(excinfo.value)
+        toolbar.add_action("qt_icon_action", qt_icon_action)
+    assert "Bundle with name 'qt_icon_action' already exists." in str(excinfo.value)
 
 
-def test_update_material_icon_colors(toolbar_fixture, material_icon_action, dummy_widget):
+def test_update_material_icon_colors(toolbar_fixture, material_icon_action):
     """Test updating the color of MaterialIconAction icons."""
     toolbar = toolbar_fixture
 
     # Add MaterialIconAction
-    toolbar.add_action("material_icon_action", material_icon_action, dummy_widget)
+    toolbar.add_action("material_icon_action", material_icon_action)
     assert material_icon_action.action is not None
 
     # Initial icon
@@ -242,11 +221,12 @@ def test_update_material_icon_colors(toolbar_fixture, material_icon_action, dumm
     assert initial_icon != updated_icon
 
 
-def test_device_selection_action(toolbar_fixture, device_selection_action, dummy_widget):
+def test_device_selection_action(toolbar_fixture, device_selection_action):
     """Test adding a DeviceSelectionAction to the toolbar."""
     toolbar = toolbar_fixture
-    toolbar.add_action("device_selection", device_selection_action, dummy_widget)
-    assert "device_selection" in toolbar.widgets
+    toolbar.add_action("device_selection", device_selection_action)
+    assert toolbar.components.exists("device_selection")
+    toolbar.show_bundles(["device_selection"])
     # DeviceSelectionAction adds a QWidget, so it should be present in the toolbar's widgets
     # Check if the widget is added
     widget = device_selection_action.device_combobox.parentWidget()
@@ -256,11 +236,12 @@ def test_device_selection_action(toolbar_fixture, device_selection_action, dummy
     assert label.text() == "Select Device:"
 
 
-def test_widget_action(toolbar_fixture, widget_action, dummy_widget):
+def test_widget_action(toolbar_fixture, widget_action):
     """Test adding a WidgetAction to the toolbar."""
     toolbar = toolbar_fixture
-    toolbar.add_action("widget_action", widget_action, dummy_widget)
-    assert "widget_action" in toolbar.widgets
+    toolbar.add_action("widget_action", widget_action)
+    assert toolbar.components.exists("widget_action")
+    toolbar.show_bundles(["widget_action"])
     # WidgetAction adds a QWidget to the toolbar
     container = widget_action.widget.parentWidget()
     assert container in toolbar.findChildren(QWidget)
@@ -269,11 +250,12 @@ def test_widget_action(toolbar_fixture, widget_action, dummy_widget):
     assert label.text() == "Sample Label:"
 
 
-def test_expandable_menu_action(toolbar_fixture, expandable_menu_action, dummy_widget):
+def test_expandable_menu_action(toolbar_fixture, expandable_menu_action):
     """Test adding an ExpandableMenuAction to the toolbar."""
     toolbar = toolbar_fixture
-    toolbar.add_action("expandable_menu", expandable_menu_action, dummy_widget)
-    assert "expandable_menu" in toolbar.widgets
+    toolbar.add_action("expandable_menu", expandable_menu_action)
+    assert toolbar.components.exists("expandable_menu")
+    toolbar.show_bundles(["expandable_menu"])
     # ExpandableMenuAction adds a QToolButton with a QMenu
     # Find the QToolButton
     tool_buttons = toolbar.findChildren(QToolButton)
@@ -300,44 +282,47 @@ def test_update_material_icon_colors_no_material_actions(toolbar_fixture, dummy_
 
 
 def test_hide_action_nonexistent(toolbar_fixture):
-    """Test hiding an action that does not exist raises a ValueError."""
+    """Test hiding an action that does not exist raises a KeyError."""
     toolbar = toolbar_fixture
-    with pytest.raises(ValueError) as excinfo:
+    with pytest.raises(KeyError) as excinfo:
         toolbar.hide_action("nonexistent_action")
-    assert "Action with ID 'nonexistent_action' does not exist." in str(excinfo.value)
+    excinfo.match("Component with name 'nonexistent_action' does not exist.")
 
 
 def test_show_action_nonexistent(toolbar_fixture):
-    """Test showing an action that does not exist raises a ValueError."""
+    """Test showing an action that does not exist raises a KeyError."""
     toolbar = toolbar_fixture
-    with pytest.raises(ValueError) as excinfo:
+    with pytest.raises(KeyError) as excinfo:
         toolbar.show_action("nonexistent_action")
-    assert "Action with ID 'nonexistent_action' does not exist." in str(excinfo.value)
+    excinfo.match("Component with name 'nonexistent_action' does not exist.")
 
 
-def test_add_bundle(toolbar_fixture, dummy_widget, icon_action, material_icon_action):
+def test_add_bundle(toolbar_fixture, material_icon_action):
     """Test adding a bundle of actions to the toolbar."""
     toolbar = toolbar_fixture
-    bundle = ToolbarBundle(
-        bundle_id="test_bundle",
-        actions=[
-            ("icon_action_in_bundle", icon_action),
-            ("material_icon_in_bundle", material_icon_action),
-        ],
-    )
-    toolbar.add_bundle(bundle, dummy_widget)
-    assert "test_bundle" in toolbar.bundles
-    assert "icon_action_in_bundle" in toolbar.widgets
-    assert "material_icon_in_bundle" in toolbar.widgets
-    assert icon_action.action in toolbar.actions()
+    toolbar.add_action("material_icon_in_bundle", material_icon_action)
+    bundle = ToolbarBundle("test_bundle", toolbar.components)
+    bundle.add_action("material_icon_in_bundle")
+
+    toolbar.add_bundle(bundle)
+
+    assert toolbar.get_bundle("test_bundle")
+    assert toolbar.components.exists("material_icon_in_bundle")
+
+    toolbar.show_bundles(["test_bundle"])
+
     assert material_icon_action.action in toolbar.actions()
 
 
-def test_invalid_orientation(dummy_widget):
+def test_invalid_orientation():
     """Test that an invalid orientation raises a ValueError."""
-    toolbar = ModularToolBar(target_widget=dummy_widget, orientation="horizontal")
-    with pytest.raises(ValueError):
-        toolbar.set_orientation("diagonal")
+    try:
+        toolbar = ModularToolBar(orientation="horizontal")
+        with pytest.raises(ValueError):
+            toolbar.set_orientation("diagonal")
+    finally:
+        toolbar.close()
+        toolbar.deleteLater()
 
 
 def test_widget_action_calculate_minimum_width(qtbot):
@@ -353,24 +338,26 @@ def test_widget_action_calculate_minimum_width(qtbot):
 
 def test_add_action_to_bundle(toolbar_fixture, dummy_widget, material_icon_action):
     # Create an initial bundle with one action
-    bundle = ToolbarBundle(
-        bundle_id="test_bundle", actions=[("initial_action", material_icon_action)]
-    )
-    toolbar_fixture.add_bundle(bundle, dummy_widget)
+    toolbar_fixture.add_action("initial_action", material_icon_action)
+    bundle = ToolbarBundle("test_bundle", toolbar_fixture.components)
+    bundle.add_action("initial_action")
+    toolbar_fixture.add_bundle(bundle)
 
     # Create a new action to add to the existing bundle
     new_action = MaterialIconAction(
         icon_name="counter_1", tooltip="New Action", checkable=True, parent=dummy_widget
     )
-    toolbar_fixture.add_action_to_bundle("test_bundle", "new_action", new_action, dummy_widget)
+    toolbar_fixture.components.add_safe("new_action", new_action)
+    toolbar_fixture.get_bundle("test_bundle").add_action("new_action")
+
+    toolbar_fixture.show_bundles(["test_bundle"])
 
     # Verify the new action is registered in the toolbar's widgets
-    assert "new_action" in toolbar_fixture.widgets
-    assert toolbar_fixture.widgets["new_action"] == new_action
+    assert toolbar_fixture.components.exists("new_action")
+    assert toolbar_fixture.components.get_action("new_action") == new_action
 
     # Verify the new action is included in the bundle tracking
-    assert "new_action" in toolbar_fixture.bundles["test_bundle"]
-    assert toolbar_fixture.bundles["test_bundle"][-1] == "new_action"
+    assert toolbar_fixture.bundles["test_bundle"].bundle_actions["new_action"]() == new_action
 
     # Verify the new action's QAction is present in the toolbar's action list
     actions_list = toolbar_fixture.actions()
@@ -384,7 +371,7 @@ def test_add_action_to_bundle(toolbar_fixture, dummy_widget, material_icon_actio
 
 
 def test_context_menu_contains_added_actions(
-    toolbar_fixture, icon_action, material_icon_action, dummy_widget, monkeypatch
+    toolbar_fixture, material_icon_action, material_icon_action_2, monkeypatch
 ):
     """
     Test that the toolbar's context menu lists all added toolbar actions.
@@ -392,9 +379,13 @@ def test_context_menu_contains_added_actions(
     toolbar = toolbar_fixture
 
     # Add two different actions
-    toolbar.add_action("icon_action", icon_action, dummy_widget)
-    toolbar.add_action("material_icon_action", material_icon_action, dummy_widget)
+    toolbar.components.add_safe("material_icon_action", material_icon_action)
+    toolbar.components.add_safe("material_icon_action_2", material_icon_action_2)
+    bundle = toolbar.new_bundle("test_bundle")
+    bundle.add_action("material_icon_action")
+    bundle.add_action("material_icon_action_2")
 
+    toolbar.show_bundles(["test_bundle"])
     # Mock the QMenu.exec_ method to prevent the context menu from being displayed and block CI pipeline
     monkeypatch.setattr(QMenu, "exec_", lambda self, pos=None: None)
     event = QContextMenuEvent(QContextMenuEvent.Mouse, QPoint(10, 10))
@@ -404,23 +395,26 @@ def test_context_menu_contains_added_actions(
     assert len(menus) > 0
     menu = menus[-1]
     menu_action_texts = [action.text() for action in menu.actions()]
-    assert any(icon_action.tooltip in text or "icon_action" in text for text in menu_action_texts)
-    assert any(
-        material_icon_action.tooltip in text or "material_icon_action" in text
-        for text in menu_action_texts
-    )
+    tooltips = [
+        action.action.tooltip
+        for action in toolbar.components._components.values()
+        if not isinstance(action.action, SeparatorAction)
+    ]
+    menu_actions_tooltips = [
+        action.toolTip() for action in menu.actions() if action.toolTip() != ""
+    ]
+    assert menu_action_texts == tooltips
 
 
-def test_context_menu_toggle_action_visibility(
-    toolbar_fixture, icon_action, dummy_widget, monkeypatch
-):
+def test_context_menu_toggle_action_visibility(toolbar_fixture, material_icon_action, monkeypatch):
     """
     Test that toggling action visibility works correctly through the toolbar's context menu.
     """
     toolbar = toolbar_fixture
     # Add an action
-    toolbar.add_action("icon_action", icon_action, dummy_widget)
-    assert icon_action.action.isVisible()
+    toolbar.add_action("material_icon_action", material_icon_action)
+    toolbar.show_bundles(["material_icon_action"])
+    assert material_icon_action.action.isVisible()
 
     # Manually trigger the context menu event
     monkeypatch.setattr(QMenu, "exec_", lambda self, pos=None: None)
@@ -433,7 +427,7 @@ def test_context_menu_toggle_action_visibility(
     menu = menus[-1]
 
     # Locate the QAction in the menu
-    matching_actions = [m for m in menu.actions() if m.text() == icon_action.tooltip]
+    matching_actions = [m for m in menu.actions() if m.text() == material_icon_action.tooltip]
     assert len(matching_actions) == 1
     action_in_menu = matching_actions[0]
 
@@ -441,23 +435,24 @@ def test_context_menu_toggle_action_visibility(
     action_in_menu.setChecked(False)
     menu.triggered.emit(action_in_menu)
     # The action on the toolbar should now be hidden
-    assert not icon_action.action.isVisible()
+    assert not material_icon_action.action.isVisible()
 
     # Toggle it on (check)
     action_in_menu.setChecked(True)
     menu.triggered.emit(action_in_menu)
     # The action on the toolbar should be visible again
-    assert icon_action.action.isVisible()
+    assert material_icon_action.action.isVisible()
 
 
-def test_switchable_toolbar_action_add(toolbar_fixture, dummy_widget, switchable_toolbar_action):
+def test_switchable_toolbar_action_add(toolbar_fixture, switchable_toolbar_action):
     """Test that a switchable toolbar action can be added to the toolbar correctly."""
     toolbar = toolbar_fixture
-    toolbar.add_action("switch_action", switchable_toolbar_action, dummy_widget)
+    toolbar.add_action("switch_action", switchable_toolbar_action)
+    toolbar.show_bundles(["switch_action"])
 
     # Verify the action was added correctly
-    assert "switch_action" in toolbar.widgets
-    assert toolbar.widgets["switch_action"] == switchable_toolbar_action
+    assert toolbar.components.exists("switch_action")
+    assert toolbar.components.get_action("switch_action") == switchable_toolbar_action
 
     # Verify the button is present and is the correct type
     button = switchable_toolbar_action.main_button
@@ -468,11 +463,10 @@ def test_switchable_toolbar_action_add(toolbar_fixture, dummy_widget, switchable
     assert button.toolTip() == "Action 1"
 
 
-def test_switchable_toolbar_action_switching(
-    toolbar_fixture, dummy_widget, switchable_toolbar_action, qtbot
-):
+def test_switchable_toolbar_action_switching(toolbar_fixture, switchable_toolbar_action, qtbot):
     toolbar = toolbar_fixture
-    toolbar.add_action("switch_action", switchable_toolbar_action, dummy_widget)
+    toolbar.add_action("switch_action", switchable_toolbar_action)
+    toolbar.show_bundles(["switch_action"])
     # Verify initial state is set to action1
     assert switchable_toolbar_action.current_key == "action1"
     assert switchable_toolbar_action.main_button.toolTip() == "Action 1"
@@ -494,9 +488,10 @@ def test_switchable_toolbar_action_switching(
     assert switchable_toolbar_action.main_button.toolTip() == "Action 2"
 
 
-def test_long_pressbutton(toolbar_fixture, dummy_widget, switchable_toolbar_action, qtbot):
+def test_long_pressbutton(toolbar_fixture, switchable_toolbar_action, qtbot):
     toolbar = toolbar_fixture
-    toolbar.add_action("switch_action", switchable_toolbar_action, dummy_widget)
+    toolbar.add_action("switch_action", switchable_toolbar_action)
+    toolbar.show_bundles(["switch_action"])
 
     # Verify the button is a LongPressToolButton
     button = switchable_toolbar_action.main_button
@@ -521,92 +516,73 @@ def test_long_pressbutton(toolbar_fixture, dummy_widget, switchable_toolbar_acti
 
 
 # Additional tests for action/bundle removal
-def test_remove_standalone_action(toolbar_fixture, icon_action, dummy_widget):
+def test_remove_standalone_action(toolbar_fixture, material_icon_action):
     """
     Ensure that a standalone action is fully removed and no longer accessible.
     """
     toolbar = toolbar_fixture
     # Add the action and check it is present
-    toolbar.add_action("icon_action", icon_action, dummy_widget)
-    assert "icon_action" in toolbar.widgets
-    assert icon_action.action in toolbar.actions()
+    toolbar.add_action("icon_action", material_icon_action)
+
+    assert toolbar.components.exists("icon_action")
+
+    toolbar.show_bundles(["icon_action"])
+    assert material_icon_action.action in toolbar.actions()
 
     # Now remove it
-    toolbar.remove_action("icon_action")
+    toolbar.components.remove_action("icon_action")
 
     # Action bookkeeping
-    assert "icon_action" not in toolbar.widgets
+    assert not toolbar.components.exists("icon_action")
     # QAction list
-    assert icon_action.action not in toolbar.actions()
+    assert material_icon_action.action not in toolbar.actions()
     # Attempting to hide / show it should raise
-    with pytest.raises(ValueError):
+    with pytest.raises(KeyError):
         toolbar.hide_action("icon_action")
-    with pytest.raises(ValueError):
+    with pytest.raises(KeyError):
         toolbar.show_action("icon_action")
 
 
-def test_remove_action_from_bundle(
-    toolbar_fixture, dummy_widget, icon_action, material_icon_action
-):
+def test_remove_action_from_bundle(toolbar_fixture, material_icon_action, material_icon_action_2):
     """
-    Remove a single action that is part of a bundle and verify clean‑up.
+    Remove a single action that is part of a bundle. This should not remove the action
+    from the toolbar's components, but only from the bundle tracking.
     """
     toolbar = toolbar_fixture
-    bundle = ToolbarBundle(
-        bundle_id="test_bundle",
-        actions=[("icon_action", icon_action), ("material_action", material_icon_action)],
-    )
-    toolbar.add_bundle(bundle, dummy_widget)
+    bundle = toolbar.new_bundle("test_bundle")
+    # Add two actions to the bundle
+    toolbar.components.add_safe("material_action", material_icon_action)
+    toolbar.components.add_safe("material_action_2", material_icon_action_2)
+    bundle.add_action("material_action")
+    bundle.add_action("material_action_2")
+
+    toolbar.show_bundles(["test_bundle"])
 
     # Initial assertions
     assert "test_bundle" in toolbar.bundles
-    assert "icon_action" in toolbar.widgets
-    assert "material_action" in toolbar.widgets
+    assert toolbar.components.exists("material_action")
+    assert toolbar.components.exists("material_action_2")
 
     # Remove one action from the bundle
-    toolbar.remove_action("icon_action")
+    toolbar.get_bundle("test_bundle").remove_action("material_action")
 
-    # icon_action should be fully gone
-    assert "icon_action" not in toolbar.widgets
-    assert icon_action.action not in toolbar.actions()
-    # Bundle tracking should be updated
-    assert "icon_action" not in toolbar.bundles["test_bundle"]
-    # The other action must still exist
-    assert "material_action" in toolbar.widgets
-    assert material_icon_action.action in toolbar.actions()
+    # The bundle should still exist
+    assert "test_bundle" in toolbar.bundles
+    # The removed action should still exist in the components
+    assert toolbar.components.exists("material_action")
+
+    # The removed action should not be in the bundle anymore
+    assert "material_action" not in toolbar.bundles["test_bundle"].bundle_actions
 
 
-def test_remove_last_action_from_bundle_removes_bundle(toolbar_fixture, dummy_widget, icon_action):
-    """
-    Removing the final action from a bundle should delete the bundle entry itself.
-    """
+def test_remove_entire_bundle(toolbar_fixture, material_icon_action, material_icon_action_2):
     toolbar = toolbar_fixture
-    bundle = ToolbarBundle(bundle_id="single_action_bundle", actions=[("only_action", icon_action)])
-    toolbar.add_bundle(bundle, dummy_widget)
-
-    # Sanity check
-    assert "single_action_bundle" in toolbar.bundles
-    assert "only_action" in toolbar.widgets
-
-    # Remove the sole action
-    toolbar.remove_action("only_action")
-
-    # Bundle should be gone
-    assert "single_action_bundle" not in toolbar.bundles
-    # QAction removed
-    assert icon_action.action not in toolbar.actions()
-
-
-def test_remove_entire_bundle(toolbar_fixture, dummy_widget, icon_action, material_icon_action):
-    """
-    Ensure that removing a bundle deletes all its actions and separators.
-    """
-    toolbar = toolbar_fixture
-    bundle = ToolbarBundle(
-        bundle_id="to_remove",
-        actions=[("icon_action", icon_action), ("material_action", material_icon_action)],
-    )
-    toolbar.add_bundle(bundle, dummy_widget)
+    toolbar.components.add_safe("material_action", material_icon_action)
+    toolbar.components.add_safe("material_action_2", material_icon_action_2)
+    # Create a bundle with two actions
+    bundle = toolbar.new_bundle("to_remove")
+    bundle.add_action("material_action")
+    bundle.add_action("material_action_2")
 
     # Confirm bundle presence
     assert "to_remove" in toolbar.bundles
@@ -616,58 +592,23 @@ def test_remove_entire_bundle(toolbar_fixture, dummy_widget, icon_action, materi
 
     # Bundle mapping gone
     assert "to_remove" not in toolbar.bundles
-    # All actions gone
-    for aid, act in [("icon_action", icon_action), ("material_action", material_icon_action)]:
-        assert aid not in toolbar.widgets
-        assert act.action not in toolbar.actions()
-
-
-def test_trigger_removed_action_raises(toolbar_fixture, icon_action, dummy_widget, qtbot):
-    """
-    Add an action, connect a mock slot, then remove the action and verify that
-    attempting to trigger it afterwards raises RuntimeError (since the underlying
-    QAction has been deleted).
-    """
-    toolbar = toolbar_fixture
-
-    # Add the action and connect a mock slot
-    toolbar.add_action("icon_action", icon_action, dummy_widget)
-    called = []
-
-    def mock_slot():
-        called.append(True)
-
-    icon_action.action.triggered.connect(mock_slot)
-
-    # Trigger once to confirm connection works
-    icon_action.action.trigger()
-    assert called == [True]
-
-    # Now remove the action
-    toolbar.remove_action("icon_action")
-    # Allow deleteLater event to process
-    qtbot.wait(50)
-
-    # The underlying C++ object should be deleted; triggering should raise
-    with pytest.raises(RuntimeError):
-        icon_action.action.trigger()
 
 
 def test_remove_nonexistent_action(toolbar_fixture):
     """
-    Attempting to remove an action that does not exist should raise ValueError.
+    Attempting to remove an action that does not exist should raise KeyError.
     """
     toolbar = toolbar_fixture
-    with pytest.raises(ValueError) as excinfo:
-        toolbar.remove_action("nonexistent_action")
+    with pytest.raises(KeyError) as excinfo:
+        toolbar.components.remove_action("nonexistent_action")
     assert "Action with ID 'nonexistent_action' does not exist." in str(excinfo.value)
 
 
 def test_remove_nonexistent_bundle(toolbar_fixture):
     """
-    Attempting to remove a bundle that does not exist should raise ValueError.
+    Attempting to remove a bundle that does not exist should raise KeyError.
     """
     toolbar = toolbar_fixture
-    with pytest.raises(ValueError) as excinfo:
+    with pytest.raises(KeyError) as excinfo:
         toolbar.remove_bundle("nonexistent_bundle")
-    assert "Bundle 'nonexistent_bundle' does not exist." in str(excinfo.value)
+    excinfo.match("Bundle with name 'nonexistent_bundle' does not exist.")

tests/unit_tests/test_motor_map_next_gen.py

@@ -272,16 +272,15 @@ def test_motor_map_toolbar_selection(qtbot, mocked_client):
     mm = create_widget(qtbot, MotorMap, client=mocked_client)
 
     # Verify toolbar bundle was created during initialization
-    assert hasattr(mm, "motor_selection_bundle")
-    assert mm.motor_selection_bundle is not None
+    motor_selection = mm.toolbar.components.get_action("motor_selection")
 
-    mm.motor_selection_bundle.motor_x.setCurrentText("samx")
-    mm.motor_selection_bundle.motor_y.setCurrentText("samy")
+    motor_selection.motor_x.setCurrentText("samx")
+    motor_selection.motor_y.setCurrentText("samy")
 
     assert mm.config.x_motor.name == "samx"
     assert mm.config.y_motor.name == "samy"
 
-    mm.motor_selection_bundle.motor_y.setCurrentText("samz")
+    motor_selection.motor_y.setCurrentText("samz")
 
     assert mm.config.x_motor.name == "samx"
     assert mm.config.y_motor.name == "samz"
@@ -291,9 +290,9 @@ def test_motor_map_settings_dialog(qtbot, mocked_client):
     """Test the settings dialog for the motor map."""
     mm = create_widget(qtbot, MotorMap, client=mocked_client, popups=True)
 
-    assert "popup_bundle" in mm.toolbar.bundles
-    for action_id in mm.toolbar.bundles["popup_bundle"]:
-        assert mm.toolbar.widgets[action_id].action.isVisible() is True
+    assert "axis_popup" in mm.toolbar.bundles
+    for action_ref in mm.toolbar.bundles["axis_popup"].bundle_actions.values():
+        assert action_ref().action.isVisible()
 
     # set properties to be fetched by dialog
     mm.map(x_name="samx", y_name="samy")

tests/unit_tests/test_multi_waveform_next_gen.py

@@ -244,15 +244,14 @@ def test_selection_toolbar_updates_widget(qtbot, mocked_client):
     updates the widget properties.
     """
     mw = create_widget(qtbot, MultiWaveform, client=mocked_client)
-    toolbar = mw.monitor_selection_bundle
-    monitor_combo = toolbar.monitor
-    colormap_widget = toolbar.colormap_widget
+    monitor_selection_action = mw.toolbar.components.get_action("monitor_selection")
+    cmap_action = mw.toolbar.components.get_action("color_map")
 
-    monitor_combo.addItem("waveform1d")
-    monitor_combo.setCurrentText("waveform1d")
+    monitor_selection_action.combobox.addItem("waveform1d")
+    monitor_selection_action.combobox.setCurrentText("waveform1d")
     assert mw.monitor == "waveform1d"
 
-    colormap_widget.colormap = "viridis"
+    cmap_action.widget.colormap = "viridis"
     assert mw.color_palette == "viridis"
 
 
@@ -290,11 +289,10 @@ def test_control_panel_opacity_slider_spinbox(qtbot, mocked_client):
 def test_control_panel_highlight_slider_spinbox(qtbot, mocked_client):
     """
     Test that the slider and spinbox for curve highlighting update
-    the widget’s highlighted_index property, and are disabled if
+    the widget's highlighted_index property, and are disabled if
     highlight_last_curve is True.
     """
     mw = create_widget(qtbot, MultiWaveform, client=mocked_client)
-
     slider_index = mw.controls.ui.highlighted_index
     spinbox_index = mw.controls.ui.spinbox_index
     checkbox_highlight_last = mw.controls.ui.highlight_last_curve

tests/unit_tests/test_plot_base_next_gen.py

@@ -1,3 +1,5 @@
+import numpy as np
+
 from bec_widgets.widgets.plots.plot_base import PlotBase, UIMode
 
 from .client_mocks import mocked_client
@@ -126,6 +128,31 @@ def test_auto_range_x_y(qtbot, mocked_client):
     assert pb.plot_item.vb.state["autoRange"][1] is False
 
 
+def test_autorange_respects_visibility(qtbot, mocked_client):
+    """
+    Autorange must consider only the curves whose .isVisible() flag is True.
+    """
+
+    pb = create_widget(qtbot, PlotBase, client=mocked_client)
+
+    x = np.arange(10)
+    small = pb.plot_item.plot(x, x, pen=(255, 0, 0))  # 0‒9
+    medium = pb.plot_item.plot(x, x * 10, pen=(0, 255, 0))  # 0‒90
+    large = pb.plot_item.plot(x, x * 100, pen=(0, 0, 255))  # 0‒900
+
+    pb.auto_range(True)
+    qtbot.wait(200)
+    yspan_full = pb.plot_item.vb.viewRange()[1]
+    assert yspan_full[1] > 800, "Autorange must include the largest visible curve."
+
+    # Hide the largest curve, recompute autorange, and expect the span to shrink.
+    large.setVisible(False)
+    pb.auto_range(True)
+    qtbot.wait(200)
+    yspan_reduced = pb.plot_item.vb.viewRange()[1]
+    assert yspan_reduced[1] < 200, "Hidden curves must be excluded from autorange."
+
+
 def test_x_log_y_log(qtbot, mocked_client):
     """
     Test toggling log scale on x and y axes.
@@ -265,54 +292,56 @@ def test_ui_mode_popup(qtbot, mocked_client):
     pb = create_widget(qtbot, PlotBase, client=mocked_client)
     pb.ui_mode = UIMode.POPUP
     # The popup bundle should be created and its actions made visible.
-    assert "popup_bundle" in pb.toolbar.bundles
-    for action_id in pb.toolbar.bundles["popup_bundle"]:
-        assert pb.toolbar.widgets[action_id].action.isVisible() is True
+    assert "axis_popup" in pb.toolbar.bundles
+    for action_ref in pb.toolbar.bundles["axis_popup"].bundle_actions.values():
+        assert action_ref().action.isVisible() is True
     # The side panel should be hidden.
     assert not pb.side_panel.isVisible()
 
 
-def test_ui_mode_side(qtbot, mocked_client):
-    """
-    Test that setting ui_mode to SIDE shows the side panel and ensures any popup actions
-    are hidden.
-    """
-    pb = create_widget(qtbot, PlotBase, client=mocked_client)
-    pb.ui_mode = UIMode.SIDE
-    # If a popup bundle exists, its actions should be hidden.
-    if "popup_bundle" in pb.toolbar.bundles:
-        for action_id in pb.toolbar.bundles["popup_bundle"]:
-            assert pb.toolbar.widgets[action_id].action.isVisible() is False
+# Side panels are not properly implemented yet. Once the logic is fixed, we can re-enable this test.
+# See issue #742
+# def test_ui_mode_side(qtbot, mocked_client):
+#     """
+#     Test that setting ui_mode to SIDE shows the side panel and ensures any popup actions
+#     are hidden.
+#     """
+#     pb = create_widget(qtbot, PlotBase, client=mocked_client)
+#     pb.ui_mode = UIMode.SIDE
+#     # If a popup bundle exists, its actions should be hidden.
+#     if "axis_popup" in pb.toolbar.bundles:
+#         for action_ref in pb.toolbar.bundles["axis_popup"].bundle_actions.values():
+#             assert action_ref().action.isVisible() is False
 
 
-def test_enable_popups_property(qtbot, mocked_client):
-    """
-    Test the enable_popups property: when enabled, ui_mode should be POPUP,
-    and when disabled, ui_mode should change to NONE.
-    """
-    pb = create_widget(qtbot, PlotBase, client=mocked_client)
-    pb.enable_popups = True
-    assert pb.ui_mode == UIMode.POPUP
-    # The popup bundle actions should be visible.
-    assert "popup_bundle" in pb.toolbar.bundles
-    for action_id in pb.toolbar.bundles["popup_bundle"]:
-        assert pb.toolbar.widgets[action_id].action.isVisible() is True
+# def test_enable_popups_property(qtbot, mocked_client):
+#     """
+#     Test the enable_popups property: when enabled, ui_mode should be POPUP,
+#     and when disabled, ui_mode should change to NONE.
+#     """
+#     pb = create_widget(qtbot, PlotBase, client=mocked_client)
+#     pb.enable_popups = True
+#     assert pb.ui_mode == UIMode.POPUP
+#     # The popup bundle actions should be visible.
+#     assert "popup_bundle" in pb.toolbar.bundles
+#     for action_id in pb.toolbar.bundles["popup_bundle"]:
+#         assert pb.toolbar.widgets[action_id].action.isVisible() is True
 
-    pb.enable_popups = False
-    assert pb.ui_mode == UIMode.NONE
+#     pb.enable_popups = False
+#     assert pb.ui_mode == UIMode.NONE
 
 
-def test_enable_side_panel_property(qtbot, mocked_client):
-    """
-    Test the enable_side_panel property: when enabled, ui_mode should be SIDE,
-    and when disabled, ui_mode should change to NONE.
-    """
-    pb = create_widget(qtbot, PlotBase, client=mocked_client)
-    pb.enable_side_panel = True
-    assert pb.ui_mode == UIMode.SIDE
+# def test_enable_side_panel_property(qtbot, mocked_client):
+#     """
+#     Test the enable_side_panel property: when enabled, ui_mode should be SIDE,
+#     and when disabled, ui_mode should change to NONE.
+#     """
+#     pb = create_widget(qtbot, PlotBase, client=mocked_client)
+#     pb.enable_side_panel = True
+#     assert pb.ui_mode == UIMode.SIDE
 
-    pb.enable_side_panel = False
-    assert pb.ui_mode == UIMode.NONE
+#     pb.enable_side_panel = False
+#     assert pb.ui_mode == UIMode.NONE
 
 
 def test_switching_between_popup_and_side_panel_closes_dialog(qtbot, mocked_client):
@@ -323,18 +352,19 @@ def test_switching_between_popup_and_side_panel_closes_dialog(qtbot, mocked_clie
     pb = create_widget(qtbot, PlotBase, client=mocked_client)
     pb.ui_mode = UIMode.POPUP
     # Open the axis settings popup.
-    pb.show_axis_settings_popup()
+    pb_connection = pb.toolbar.bundles["axis_popup"].get_connection("plot_base")
+    pb_connection.show_axis_settings_popup()
     qtbot.wait(100)
     # The dialog should now exist and be visible.
-    assert pb.axis_settings_dialog is not None
-    assert pb.axis_settings_dialog.isVisible() is True
+    assert pb_connection.axis_settings_dialog is not None
+    assert pb_connection.axis_settings_dialog.isVisible() is True
 
     # Switch to side panel mode.
     pb.ui_mode = UIMode.SIDE
     qtbot.wait(100)
     # The axis settings dialog should be closed (and reference cleared).
 
-    qtbot.waitUntil(lambda: pb.axis_settings_dialog is None, timeout=5000)
+    qtbot.waitUntil(lambda: pb_connection.axis_settings_dialog is None, timeout=5000)
 
 
 def test_enable_fps_monitor_property(qtbot, mocked_client):

tests/unit_tests/test_rpc_server.py

@@ -29,4 +29,4 @@ def test_gui_server_get_service_config(gui_server):
     """
     Test that the server is started with the correct arguments.
     """
-    assert gui_server._get_service_config().config is ServiceConfig().config
+    assert gui_server._get_service_config().config == ServiceConfig().config

tests/unit_tests/test_side_menu.py

@@ -136,7 +136,7 @@ def test_add_menu(side_panel_fixture, menu_widget, qtbot):
 
     assert panel.stack_widget.count() == initial_count + 1
     # Verify the action is added to the toolbar
-    action = panel.toolbar.widgets.get("test_action")
+    action = panel.toolbar.components.get_action("test_action")
     assert action is not None
     assert action.tooltip == "Test Tooltip"
     assert action.action in panel.toolbar.actions()
@@ -155,7 +155,7 @@ def test_toggle_action_show_panel(side_panel_fixture, menu_widget, qtbot):
     )
     qtbot.wait(100)
 
-    action = panel.toolbar.widgets.get("toggle_action")
+    action = panel.toolbar.components.get_action("toggle_action")
     assert action is not None
 
     # Initially, panel should be hidden
@@ -199,8 +199,8 @@ def test_switch_actions(side_panel_fixture, menu_widget, qtbot):
     )
     qtbot.wait(100)
 
-    action1 = panel.toolbar.widgets.get("action1")
-    action2 = panel.toolbar.widgets.get("action2")
+    action1 = panel.toolbar.components.get_action("action1")
+    action2 = panel.toolbar.components.get_action("action2")
     assert action1 is not None
     assert action2 is not None
 
@@ -241,7 +241,7 @@ def test_multiple_add_menu(side_panel_fixture, menu_widget, qtbot):
         )
         qtbot.wait(100)
         assert panel.stack_widget.count() == initial_count + i + 1
-        action = panel.toolbar.widgets.get(f"action{i}")
+        action = panel.toolbar.components.get_action(f"action{i}")
         assert action is not None
         assert action.tooltip == f"Tooltip{i}"
         assert action.action in panel.toolbar.actions()
@@ -360,7 +360,7 @@ def test_add_multiple_menus(side_panel_fixture, menu_widget, qtbot):
         )
         qtbot.wait(100)
         assert panel.stack_widget.count() == initial_count + i + 1
-        action = panel.toolbar.widgets.get(f"action{i}")
+        action = panel.toolbar.components.get_action(f"action{i}")
         assert action is not None
         assert action.tooltip == f"Tooltip{i}"
         assert action.action in panel.toolbar.actions()

tests/unit_tests/test_waveform_next_gen.py

@@ -797,7 +797,7 @@ def test_show_curve_settings_popup(qtbot, mocked_client):
     """
     wf = create_widget(qtbot, Waveform, client=mocked_client)
 
-    curve_action = wf.toolbar.widgets["curve"].action
+    curve_action = wf.toolbar.components.get_action("curve").action
     assert not curve_action.isChecked(), "Should start unchecked"
 
     wf.show_curve_settings_popup()
@@ -807,8 +807,9 @@ def test_show_curve_settings_popup(qtbot, mocked_client):
     assert curve_action.isChecked()
 
     # add a new row to the curve tree
-    wf.curve_settings_dialog.widget.curve_manager.toolbar.widgets["add"].action.trigger()
-    wf.curve_settings_dialog.widget.curve_manager.toolbar.widgets["add"].action.trigger()
+    add_action = wf.curve_settings_dialog.widget.curve_manager.toolbar.components.get_action("add")
+    add_action.action.trigger()
+    add_action.action.trigger()
     qtbot.wait(100)
     # Check that the new row is added
     assert wf.curve_settings_dialog.widget.curve_manager.tree.model().rowCount() == 2
@@ -824,9 +825,9 @@ def test_show_dap_summary_popup(qtbot, mocked_client):
     """
     wf = create_widget(qtbot, Waveform, client=mocked_client, popups=True)
 
-    assert "fit_params" in wf.toolbar.widgets
+    assert wf.toolbar.components.exists("fit_params")
 
-    fit_action = wf.toolbar.widgets["fit_params"].action
+    fit_action = wf.toolbar.components.get_action("fit_params").action
     assert fit_action.isChecked() is False
 
     wf.show_dap_summary_popup()