2.19.2

Automatically generated by python-semantic-release

.github/workflows/formatter.yml

@@ -21,7 +21,7 @@ jobs:
           isort --check --diff ./
       
       - name: Check for disallowed imports from PySide
-        run: '! grep -re "from PySide6\." bec_widgets/ | grep  -v -e "PySide6.QtDesigner" -e "PySide6.scripts"'
+        run: '! grep -re "from PySide6\." bec_widgets/ tests/ | grep  -v -e "PySide6.QtDesigner" -e "PySide6.scripts"'
 
   Pylint:
     runs-on: ubuntu-latest

CHANGELOG.md

@@ -1,6 +1,51 @@
 # CHANGELOG
 
 
+## v2.19.2 (2025-06-23)
+
+### Bug Fixes
+
+- **scan_control**: Scan parameters fetched from the scan_history, fix #707
+  ([`4456297`](https://github.com/bec-project/bec_widgets/commit/4456297beb940b147882f96caee6fb19aaf93c73))
+
+### Build System
+
+- Bec_lib 3.44 required
+  ([`9f3dcc3`](https://github.com/bec-project/bec_widgets/commit/9f3dcc3ab30a2c238ffffa8d594735ccaf6f1ca4))
+
+### Refactoring
+
+- **scan_control**: Request_last_executed_scan_parameters logic adjusted
+  ([`57f75bd`](https://github.com/bec-project/bec_widgets/commit/57f75bd4d506ca4d8dc982f3051d0d4c29b0d41c))
+
+
+## v2.19.1 (2025-06-23)
+
+### Bug Fixes
+
+- **launch_window**: Number of remaining connections extended to 4
+  ([`7484f51`](https://github.com/bec-project/bec_widgets/commit/7484f5160c8c6d632fd27996035ff6c0dda2e657))
+
+
+## v2.19.0 (2025-06-23)
+
+### Bug Fixes
+
+- **ci**: Extend check for pyside import to tests
+  ([`d5a40da`](https://github.com/bec-project/bec_widgets/commit/d5a40dabc74753acad05e3eb6b121499fc1e03d7))
+
+### Features
+
+- (#494) add signal display to device browser
+  ([`f3da6e9`](https://github.com/bec-project/bec_widgets/commit/f3da6e959e0416827ee5d02e34e6ad0ecfc8e5e7))
+
+- (#494) add tabbed layout for device item
+  ([`3378051`](https://github.com/bec-project/bec_widgets/commit/337805125098c3e028a17b74ef6d9ae4b9ba3d6d))
+
+- (#494) display device signals
+  ([`3a10341`](https://github.com/bec-project/bec_widgets/commit/3a103410e7448256a56b59bb3276fee056ec42a0))
+
+
 ## v2.18.0 (2025-06-22)
 
 ### Bug Fixes

bec_widgets/applications/launch_window.py

@@ -542,7 +542,7 @@ class LaunchWindow(BECMainWindow):
         remaining_connections = [
             connection for connection in connections.values() if connection.parent_id != self.gui_id
         ]
-        return len(remaining_connections) <= 2
+        return len(remaining_connections) <= 4
 
     def _turn_off_the_lights(self, connections: dict):
         """

bec_widgets/widgets/containers/main_window/addons/hover_widget.py

@@ -0,0 +1,115 @@
+import sys
+
+from qtpy.QtCore import QPoint, Qt
+from qtpy.QtWidgets import QApplication, QHBoxLayout, QLabel, QProgressBar, QVBoxLayout, QWidget
+
+
+class WidgetTooltip(QWidget):
+    """Frameless, always-on-top window that behaves like a tooltip."""
+
+    def __init__(self, content: QWidget) -> None:
+        super().__init__(None, Qt.ToolTip | Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint)
+        self.setAttribute(Qt.WA_ShowWithoutActivating)
+        self.setMouseTracking(True)
+        self.content = content
+
+        layout = QVBoxLayout(self)
+        layout.setContentsMargins(6, 6, 6, 6)
+        layout.addWidget(self.content)
+        self.adjustSize()
+
+    def leaveEvent(self, _event) -> None:
+        self.hide()
+
+    def show_above(self, global_pos: QPoint, offset: int = 8) -> None:
+        self.adjustSize()
+        screen = QApplication.screenAt(global_pos) or QApplication.primaryScreen()
+        screen_geo = screen.availableGeometry()
+        geom = self.geometry()
+
+        x = global_pos.x() - geom.width() // 2
+        y = global_pos.y() - geom.height() - offset
+
+        x = max(screen_geo.left(), min(x, screen_geo.right() - geom.width()))
+        y = max(screen_geo.top(), min(y, screen_geo.bottom() - geom.height()))
+
+        self.move(x, y)
+        self.show()
+
+
+class HoverWidget(QWidget):
+
+    def __init__(self, parent: QWidget | None = None, *, simple: QWidget, full: QWidget):
+        super().__init__(parent)
+        self._simple = simple
+        self._full = full
+        self._full.setVisible(False)
+        self._tooltip = None
+
+        lay = QVBoxLayout(self)
+        lay.setContentsMargins(0, 0, 0, 0)
+        lay.addWidget(simple)
+
+    def enterEvent(self, event):
+        # suppress empty-label tooltips for labels
+        if isinstance(self._full, QLabel) and not self._full.text():
+            return
+
+        if self._tooltip is None:  # first time only
+            self._tooltip = WidgetTooltip(self._full)
+            self._full.setVisible(True)
+
+        centre = self.mapToGlobal(self.rect().center())
+        self._tooltip.show_above(centre)
+        super().enterEvent(event)
+
+    def leaveEvent(self, event):
+        if self._tooltip and self._tooltip.isVisible():
+            self._tooltip.hide()
+        super().leaveEvent(event)
+
+    def close(self):
+        if self._tooltip:
+            self._tooltip.close()
+            self._tooltip.deleteLater()
+            self._tooltip = None
+        super().close()
+
+
+################################################################################
+# Demo
+# Just a simple example to show how the HoverWidget can be used to display
+# a tooltip with a full widget inside (two different widgets are used
+# for the simple and full versions).
+################################################################################
+
+
+class DemoSimpleWidget(QLabel):  # pragma: no cover
+    """A simple widget to be used as a trigger for the tooltip."""
+
+    def __init__(self) -> None:
+        super().__init__()
+        self.setText("Hover me for a preview!")
+
+
+class DemoFullWidget(QProgressBar):  # pragma: no cover
+    """A full widget to be shown in the tooltip."""
+
+    def __init__(self) -> None:
+        super().__init__()
+        self.setRange(0, 100)
+        self.setValue(75)
+        self.setFixedWidth(320)
+        self.setFixedHeight(30)
+
+
+if __name__ == "__main__":  # pragma: no cover
+    app = QApplication(sys.argv)
+
+    window = QWidget()
+    window.layout = QHBoxLayout(window)
+    hover_widget = HoverWidget(simple=DemoSimpleWidget(), full=DemoFullWidget())
+    window.layout.addWidget(hover_widget)
+    window.show()
+
+    sys.exit(app.exec_())

bec_widgets/widgets/containers/main_window/main_window.py

@@ -3,15 +3,7 @@ from __future__ import annotations
 import os
 
 from bec_lib.endpoints import MessageEndpoints
-from qtpy.QtCore import (
-    QAbstractAnimation,
-    QEasingCurve,
-    QEvent,
-    QPropertyAnimation,
-    QSize,
-    Qt,
-    QTimer,
-)
+from qtpy.QtCore import QEasingCurve, QEvent, QPropertyAnimation, QSize, Qt, QTimer
 from qtpy.QtGui import QAction, QActionGroup, QIcon
 from qtpy.QtWidgets import (
     QApplication,
@@ -30,6 +22,7 @@ from bec_widgets.utils.bec_widget import BECWidget
 from bec_widgets.utils.colors import apply_theme
 from bec_widgets.utils.error_popups import SafeSlot
 from bec_widgets.utils.widget_io import WidgetHierarchy
+from bec_widgets.widgets.containers.main_window.addons.hover_widget import HoverWidget
 from bec_widgets.widgets.containers.main_window.addons.scroll_label import ScrollLabel
 from bec_widgets.widgets.containers.main_window.addons.web_links import BECWebLinksMixin
 from bec_widgets.widgets.progress.scan_progressbar.scan_progressbar import ScanProgressBar
@@ -96,33 +89,60 @@ class BECMainWindow(BECWidget, QMainWindow):
         self._add_separator()
 
         # Centre: Client‑info label (stretch=1 so it expands)
-        self._client_info_label = ScrollLabel()
-        self._client_info_label.setAlignment(
-            Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignVCenter
-        )
-        self.status_bar.addWidget(self._client_info_label, 1)
-
-        # Timer to automatically clear client messages once they expire
-        self._client_info_expire_timer = QTimer(self)
-        self._client_info_expire_timer.setSingleShot(True)
-        self._client_info_expire_timer.timeout.connect(lambda: self._client_info_label.setText(""))
+        self._add_client_info_label()
 
         # Add scan_progress bar with display logic
         self._add_scan_progress_bar()
 
+    ################################################################################
+    # Client message status bar widget helpers
+
+    def _add_client_info_label(self):
+        """
+        Add a client info label to the status bar.
+        This label will display messages from the BEC dispatcher.
+        """
+
+        # Scroll label for client info in Status Bar
+        self._client_info_label = ScrollLabel(self)
+        self._client_info_label.setAlignment(
+            Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignVCenter
+        )
+        # Full label used in the hover widget
+        self._client_info_label_full = QLabel(self)
+        self._client_info_label_full.setAlignment(
+            Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignVCenter
+        )
+        # Hover widget to show the full client info label
+        self._client_info_hover = HoverWidget(
+            self, simple=self._client_info_label, full=self._client_info_label_full
+        )
+        self.status_bar.addWidget(self._client_info_hover, 1)
+
+        # Timer to automatically clear client messages once they expire
+        self._client_info_expire_timer = QTimer(self)
+        self._client_info_expire_timer.setSingleShot(True)
+        self._client_info_expire_timer.timeout.connect(lambda: self._client_info_label.setText(""))
+        self._client_info_expire_timer.timeout.connect(
+            lambda: self._client_info_label_full.setText("")
+        )
+
     ################################################################################
     # Progress‑bar helpers
     def _add_scan_progress_bar(self):
 
-        # --- Progress bar -------------------------------------------------
-        # Scan progress bar minimalistic design setup
-        self._scan_progress_bar = ScanProgressBar(self, one_line_design=True)
-        self._scan_progress_bar.show_elapsed_time = False
-        self._scan_progress_bar.show_remaining_time = False
-        self._scan_progress_bar.show_source_label = False
-        self._scan_progress_bar.progressbar.label_template = ""
-        self._scan_progress_bar.progressbar.setFixedHeight(8)
-        self._scan_progress_bar.progressbar.setFixedWidth(80)
+        # Setting HoverWidget for the scan progress bar - minimal and full version
+        self._scan_progress_bar_simple = ScanProgressBar(self, one_line_design=True)
+        self._scan_progress_bar_simple.show_elapsed_time = False
+        self._scan_progress_bar_simple.show_remaining_time = False
+        self._scan_progress_bar_simple.show_source_label = False
+        self._scan_progress_bar_simple.progressbar.label_template = ""
+        self._scan_progress_bar_simple.progressbar.setFixedHeight(8)
+        self._scan_progress_bar_simple.progressbar.setFixedWidth(80)
+        self._scan_progress_bar_full = ScanProgressBar(self)
+        self._scan_progress_hover = HoverWidget(
+            self, simple=self._scan_progress_bar_simple, full=self._scan_progress_bar_full
+        )
 
         # Bundle the progress bar with a separator
         separator = self._add_separator(separate_object=True)
@@ -133,7 +153,7 @@ class BECMainWindow(BECWidget, QMainWindow):
         self._scan_progress_bar_with_separator.layout.setContentsMargins(0, 0, 0, 0)
         self._scan_progress_bar_with_separator.layout.setSpacing(0)
         self._scan_progress_bar_with_separator.layout.addWidget(separator)
-        self._scan_progress_bar_with_separator.layout.addWidget(self._scan_progress_bar)
+        self._scan_progress_bar_with_separator.layout.addWidget(self._scan_progress_hover)
 
         # Set Size
         self._scan_progress_bar_target_width = self.SCAN_PROGRESS_WIDTH
@@ -152,8 +172,8 @@ class BECMainWindow(BECWidget, QMainWindow):
         self._scan_progress_hide_timer.timeout.connect(self._animate_hide_scan_progress_bar)
 
         # Show / hide behaviour
-        self._scan_progress_bar.progress_started.connect(self._show_scan_progress_bar)
-        self._scan_progress_bar.progress_finished.connect(self._delay_hide_scan_progress_bar)
+        self._scan_progress_bar_simple.progress_started.connect(self._show_scan_progress_bar)
+        self._scan_progress_bar_simple.progress_finished.connect(self._delay_hide_scan_progress_bar)
 
     def _show_scan_progress_bar(self):
         if self._scan_progress_hide_timer.isActive():
@@ -342,10 +362,10 @@ class BECMainWindow(BECWidget, QMainWindow):
             msg(dict): The message to display, should contain:
             meta(dict): Metadata about the message, usually empty.
         """
-        # self._client_info_label.setText("")
         message = msg.get("message", "")
         expiration = msg.get("expire", 0)  # 0 → never expire
         self._client_info_label.setText(message)
+        self._client_info_label_full.setText(message)
 
         # Restart the expiration timer if necessary
         if hasattr(self, "_client_info_expire_timer") and self._client_info_expire_timer.isActive():
@@ -393,10 +413,20 @@ class BECMainWindow(BECWidget, QMainWindow):
         if hasattr(self, "_scan_progress_hide_timer") and self._scan_progress_hide_timer.isActive():
             self._scan_progress_hide_timer.stop()
 
+        ########################################
         # Status bar widgets cleanup
+
+        # Client info label cleanup
         self._client_info_label.cleanup()
-        self._scan_progress_bar.close()
-        self._scan_progress_bar.deleteLater()
+        self._client_info_hover.close()
+        self._client_info_hover.deleteLater()
+        # Scan progress bar cleanup
+        self._scan_progress_bar_simple.close()
+        self._scan_progress_bar_simple.deleteLater()
+        self._scan_progress_bar_full.close()
+        self._scan_progress_bar_full.deleteLater()
+        self._scan_progress_hover.close()
+        self._scan_progress_hover.deleteLater()
         super().cleanup()
 
 

bec_widgets/widgets/control/scan_control/scan_control.py

@@ -203,35 +203,37 @@ class ScanControl(BECWidget, QWidget):
         """
         Requests the last executed scan parameters from BEC and restores them to the scan control widget.
         """
-        enabled = self.toggle.checked
-        current_scan = self.comboBox_scan_selection.currentText()
-        if enabled:
-            history = self.client.connector.lrange(MessageEndpoints.scan_queue_history(), 0, -1)
+        self.last_scan_found = False
+        if not self.toggle.checked:
+            return
 
-            for scan in history:
-                scan_name = scan.content["info"]["request_blocks"][-1]["msg"].content["scan_type"]
-                if scan_name == current_scan:
-                    args_dict = scan.content["info"]["request_blocks"][-1]["msg"].content[
-                        "parameter"
-                    ]["args"]
-                    args_list = []
-                    for key, value in args_dict.items():
-                        args_list.append(key)
-                        args_list.extend(value)
-                    if len(args_list) > 1 and self.arg_box is not None:
-                        self.arg_box.set_parameters(args_list)
-                    kwargs = scan.content["info"]["request_blocks"][-1]["msg"].content["parameter"][
-                        "kwargs"
-                    ]
-                    if kwargs and self.kwarg_boxes:
-                        for box in self.kwarg_boxes:
-                            box.set_parameters(kwargs)
-                    self.last_scan_found = True
-                    break
-                else:
-                    self.last_scan_found = False
-        else:
-            self.last_scan_found = False
+        current_scan = self.comboBox_scan_selection.currentText()
+        history = self.client.connector.xread(
+            MessageEndpoints.scan_history(), from_start=True, user_id=self.object_name
+        )
+
+        for scan in history:
+            scan_data = scan.get("data")
+            if not scan_data:
+                continue
+
+            if scan_data.scan_name != current_scan:
+                continue
+
+            ri = getattr(scan_data, "request_inputs", {}) or {}
+            args_list = ri.get("arg_bundle", [])
+            if args_list and self.arg_box:
+                self.arg_box.set_parameters(args_list)
+
+            inputs = ri.get("inputs", {})
+            kwargs = ri.get("kwargs", {})
+            merged = {**inputs, **kwargs}
+            if merged and self.kwarg_boxes:
+                for box in self.kwarg_boxes:
+                    box.set_parameters(merged)
+
+            self.last_scan_found = True
+            break
 
     @SafeProperty(str)
     def current_scan(self):

bec_widgets/widgets/services/device_browser/device_item/device_item.py

@@ -8,7 +8,7 @@ from bec_lib.logger import bec_logger
 from bec_qthemes import material_icon
 from qtpy.QtCore import QMimeData, QSize, Qt, Signal
 from qtpy.QtGui import QDrag
-from qtpy.QtWidgets import QApplication, QHBoxLayout, QToolButton, QWidget
+from qtpy.QtWidgets import QApplication, QHBoxLayout, QTabWidget, QToolButton, QVBoxLayout, QWidget
 
 from bec_widgets.utils.error_popups import SafeSlot
 from bec_widgets.utils.expandable_frame import ExpandableGroupFrame
@@ -18,6 +18,9 @@ from bec_widgets.widgets.services.device_browser.device_item.device_config_dialo
 from bec_widgets.widgets.services.device_browser.device_item.device_config_form import (
     DeviceConfigForm,
 )
+from bec_widgets.widgets.services.device_browser.device_item.device_signal_display import (
+    SignalDisplay,
+)
 
 if TYPE_CHECKING:  # pragma: no cover
     from qtpy.QtGui import QMouseEvent
@@ -38,10 +41,25 @@ class DeviceItem(ExpandableGroupFrame):
         self._expanded_first_time = False
         self._data = None
         self.device = device
-        layout = QHBoxLayout()
-        layout.setContentsMargins(0, 0, 0, 0)
-        self.set_layout(layout)
 
+        self._layout = QHBoxLayout()
+        self._layout.setContentsMargins(0, 0, 0, 0)
+        self._tab_widget = QTabWidget(tabShape=QTabWidget.TabShape.Rounded)
+        self._tab_widget.setDocumentMode(True)
+        self._layout.addWidget(self._tab_widget)
+
+        self.set_layout(self._layout)
+
+        self._form_page = QWidget()
+        self._form_page_layout = QVBoxLayout()
+        self._form_page.setLayout(self._form_page_layout)
+
+        self._signal_page = QWidget()
+        self._signal_page_layout = QVBoxLayout()
+        self._signal_page.setLayout(self._signal_page_layout)
+
+        self._tab_widget.addTab(self._form_page, "Configuration")
+        self._tab_widget.addTab(self._signal_page, "Signals")
         self.adjustSize()
 
     def _create_title_layout(self, title: str, icon: str):
@@ -64,7 +82,9 @@ class DeviceItem(ExpandableGroupFrame):
         if not self.expanded and not self._expanded_first_time:
             self._expanded_first_time = True
             self.form = DeviceConfigForm(parent=self, pretty_display=True)
-            self._contents.layout().addWidget(self.form)
+            self._form_page_layout.addWidget(self.form)
+            self.signals = SignalDisplay(parent=self, device=self.device)
+            self._signal_page_layout.addWidget(self.signals)
             self._reload_config()
             self.broadcast_size_hint.emit(self.sizeHint())
         super().switch_expanded_state()

bec_widgets/widgets/services/device_browser/device_item/device_signal_display.py

@@ -0,0 +1,102 @@
+from bec_qthemes import material_icon
+from qtpy.QtCore import Qt
+from qtpy.QtWidgets import QHBoxLayout, QLabel, QToolButton, QVBoxLayout, QWidget
+
+from bec_widgets.utils.bec_connector import ConnectionConfig
+from bec_widgets.utils.bec_widget import BECWidget
+from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
+from bec_widgets.widgets.containers.dock.dock import BECDock
+from bec_widgets.widgets.utility.signal_label.signal_label import SignalLabel
+
+
+class SignalDisplay(BECWidget, QWidget):
+    RPC = False
+
+    def __init__(
+        self,
+        client=None,
+        device: str = "",
+        config: ConnectionConfig = None,
+        gui_id: str | None = None,
+        theme_update: bool = False,
+        parent_dock: BECDock | None = None,
+        **kwargs,
+    ):
+        """A widget to display all the signals from a given device, and allow getting
+        a fresh reading."""
+        super().__init__(client, config, gui_id, theme_update, parent_dock, **kwargs)
+        self.get_bec_shortcuts()
+        self._layout = QVBoxLayout()
+        self.setLayout(self._layout)
+        self._content = QWidget()
+        self._layout.addWidget(self._content)
+        self._device = device
+        self.device = device
+
+    @SafeSlot()
+    def _refresh(self):
+        if self.device in self.dev:
+            self.dev.get(self.device).read(cached=False)
+            self.dev.get(self.device).read_configuration(cached=False)
+
+    def _add_refresh_button(self):
+        button_holder = QWidget()
+        button_holder.setLayout(QHBoxLayout())
+        button_holder.layout().setAlignment(Qt.AlignmentFlag.AlignRight)
+        button_holder.layout().setContentsMargins(0, 0, 0, 0)
+        refresh_button = QToolButton()
+        refresh_button.setIcon(
+            material_icon(icon_name="refresh", size=(20, 20), convert_to_pixmap=False)
+        )
+        refresh_button.clicked.connect(self._refresh)
+        button_holder.layout().addWidget(refresh_button)
+        self._content_layout.addWidget(button_holder)
+
+    def _populate(self):
+        self._content.deleteLater()
+        self._content = QWidget()
+        self._layout.addWidget(self._content)
+        self._content_layout = QVBoxLayout()
+        self._content_layout.setContentsMargins(0, 0, 0, 0)
+        self._content.setLayout(self._content_layout)
+
+        self._add_refresh_button()
+
+        if self._device in self.dev:
+            for sig in self.dev[self.device]._info.get("signals", {}).keys():
+                self._content_layout.addWidget(
+                    SignalLabel(
+                        device=self._device,
+                        signal=sig,
+                        show_select_button=False,
+                        show_default_units=True,
+                    )
+                )
+            self._content_layout.addStretch(1)
+        else:
+            self._content_layout.addWidget(
+                QLabel(f"Device {self.device} not found in device manager!")
+            )
+
+    @SafeProperty(str)
+    def device(self):
+        return self._device
+
+    @device.setter
+    def device(self, value: str):
+        self._device = value
+        self._populate()
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import sys
+
+    from qtpy.QtWidgets import QApplication
+
+    from bec_widgets.utils.colors import set_theme
+
+    app = QApplication(sys.argv)
+    set_theme("light")
+    widget = SignalDisplay(device="samx")
+    widget.show()
+    sys.exit(app.exec_())

bec_widgets/widgets/utility/signal_label/signal_label.py

@@ -16,7 +16,6 @@ from qtpy.QtWidgets import (
     QGroupBox,
     QHBoxLayout,
     QLabel,
-    QLineEdit,
     QToolButton,
     QVBoxLayout,
     QWidget,
@@ -180,6 +179,7 @@ class SignalLabel(BECWidget, QWidget):
         self._custom_units: str = custom_units
         self._show_default_units: bool = show_default_units
         self._decimal_places = 3
+        self._dtype = None
 
         self._show_hinted_signals: bool = True
         self._show_normal_signals: bool = False
@@ -241,8 +241,10 @@ class SignalLabel(BECWidget, QWidget):
         """Subscribe to the Redis topic for the device to display"""
         if not self._connected and self._device and self._device in self.dev:
             self._connected = True
-            self._readback_endpoint = MessageEndpoints.device_readback(self._device)
-            self.bec_dispatcher.connect_slot(self.on_device_readback, self._readback_endpoint)
+            self._read_endpoint = MessageEndpoints.device_read(self._device)
+            self._read_config_endpoint = MessageEndpoints.device_read_configuration(self._device)
+            self.bec_dispatcher.connect_slot(self.on_device_readback, self._read_endpoint)
+            self.bec_dispatcher.connect_slot(self.on_device_readback, self._read_config_endpoint)
             self._manual_read()
             self.set_display_value(self._value)
 
@@ -250,7 +252,8 @@ class SignalLabel(BECWidget, QWidget):
         """Unsubscribe from the Redis topic for the device to display"""
         if self._connected:
             self._connected = False
-            self.bec_dispatcher.disconnect_slot(self.on_device_readback, self._readback_endpoint)
+            self.bec_dispatcher.disconnect_slot(self.on_device_readback, self._read_endpoint)
+            self.bec_dispatcher.disconnect_slot(self.on_device_readback, self._read_config_endpoint)
 
     def _manual_read(self):
         if self._device is None or not isinstance(
@@ -259,8 +262,13 @@ class SignalLabel(BECWidget, QWidget):
             self._units = ""
             self._value = "__"
             return
-        signal: Signal = (
-            getattr(device, self.signal, None) if isinstance(device, Device) else device
+        signal, info = (
+            (
+                getattr(device, self.signal, None),
+                device._info.get("signals", {}).get(self._signal, {}).get("describe", {}),
+            )
+            if isinstance(device, Device)
+            else (device, device.describe().get(self._device))
         )
         if not isinstance(signal, Signal):  # Avoid getting other attributes of device, e.g. methods
             signal = None
@@ -269,7 +277,8 @@ class SignalLabel(BECWidget, QWidget):
             self._value = "__"
             return
         self._value = signal.get()
-        self._units = signal.get_device_config().get("egu", "")
+        self._units = info.get("egu", "")
+        self._dtype = info.get("dtype", "float")
 
     @SafeSlot(dict, dict)
     def on_device_readback(self, msg: dict, metadata: dict) -> None:
@@ -278,8 +287,10 @@ class SignalLabel(BECWidget, QWidget):
         """
         try:
             signal_to_read = self._patch_hinted_signal()
-            self._value = msg["signals"][signal_to_read]["value"]
-            self.set_display_value(self._value)
+            _value = msg["signals"].get(signal_to_read, {}).get("value")
+            if _value is not None:
+                self._value = _value
+                self.set_display_value(self._value)
         except Exception as e:
             self._display.setText("ERROR!")
             self._display.setToolTip(
@@ -401,7 +412,10 @@ class SignalLabel(BECWidget, QWidget):
         if self._decimal_places == 0:
             return value
         try:
-            return f"{float(value):0.{self._decimal_places}f}"
+            if self._dtype in ("integer", "float"):
+                return f"{float(value):0.{self._decimal_places}f}"
+            else:
+                return str(value)
         except ValueError:
             return value
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "bec_widgets"
-version = "2.18.0"
+version = "2.19.2"
 description = "BEC Widgets"
 requires-python = ">=3.10"
 classifiers = [
@@ -14,7 +14,7 @@ classifiers = [
 ]
 dependencies = [
     "bec_ipython_client>=3.42.4, <=4.0", # needed for jupyter console
-    "bec_lib>=3.42.4, <=4.0",
+    "bec_lib>=3.44, <=4.0",
     "bec_qthemes~=0.7, >=0.7",
     "black~=25.0",                       # needed for bw-generate-cli
     "isort~=5.13, >=5.13.2",             # needed for bw-generate-cli

tests/end-2-end/test_rpc_widgets_e2e.py

@@ -79,7 +79,7 @@ def test_available_widgets(qtbot, connected_client_gui_obj):
     gui = connected_client_gui_obj
     dock_area = gui.bec
     # Number of top level widgets, should be 4
-    top_level_widgets_count = 8
+    top_level_widgets_count = 12
     assert len(gui._server_registry) == top_level_widgets_count
     # Number of widgets with parent_id == None, should be 2
     widgets = [

tests/unit_tests/test_device_browser.py

@@ -3,6 +3,7 @@ from unittest import mock
 
 import pytest
 from qtpy.QtCore import QPoint, Qt
+from qtpy.QtWidgets import QTabWidget
 
 from bec_widgets.widgets.services.device_browser.device_browser import DeviceBrowser
 from bec_widgets.widgets.services.device_browser.device_item.device_config_form import (
@@ -86,8 +87,13 @@ def test_device_item_expansion(device_browser, qtbot):
     device_item: QListWidgetItem = device_browser.ui.device_list.itemAt(0, 0)
     widget: DeviceItem = device_browser.ui.device_list.itemWidget(device_item)
     qtbot.mouseClick(widget._expansion_button, Qt.MouseButton.LeftButton)
-    form = widget._contents.layout().itemAt(0).widget()
-    qtbot.waitUntil(lambda: isinstance(form, DeviceConfigForm), timeout=500)
+    tab_widget: QTabWidget = widget._contents.layout().itemAt(0).widget()
+    qtbot.waitUntil(lambda: tab_widget.widget(0) is not None, timeout=100)
+    qtbot.waitUntil(
+        lambda: isinstance(tab_widget.widget(0).layout().itemAt(0).widget(), DeviceConfigForm),
+        timeout=100,
+    )
+    form = tab_widget.widget(0).layout().itemAt(0).widget()
     assert widget.expanded
     assert (name_field := form.widget_dict.get("name")) is not None
     qtbot.waitUntil(lambda: name_field.getValue() == "samx", timeout=500)

tests/unit_tests/test_launch_window.py

@@ -109,6 +109,25 @@ def test_launch_window_launch_plugin_auto_update(bec_launch_window):
                 "dock_area": mock.MagicMock(),
                 "scan_progress": mock.MagicMock(),
             },
+            False,
+        ),
+        (
+            {
+                "launcher": mock.MagicMock(),
+                "dock_area": mock.MagicMock(),
+                "scan_progress_simple": mock.MagicMock(),
+                "scan_progress_full": mock.MagicMock(),
+            },
+            False,
+        ),
+        (
+            {
+                "launcher": mock.MagicMock(),
+                "dock_area": mock.MagicMock(),
+                "scan_progress_simple": mock.MagicMock(),
+                "scan_progress_full": mock.MagicMock(),
+                "hover_widget": mock.MagicMock(),
+            },
             True,
         ),
     ],
@@ -147,6 +166,25 @@ def test_gui_server_turns_off_the_lights(bec_launch_window, connections, hide):
                 "dock_area": mock.MagicMock(),
                 "scan_progress": mock.MagicMock(),
             },
+            True,
+        ),
+        (
+            {
+                "launcher": mock.MagicMock(),
+                "dock_area": mock.MagicMock(),
+                "scan_progress_simple": mock.MagicMock(),
+                "scan_progress_full": mock.MagicMock(),
+            },
+            True,
+        ),
+        (
+            {
+                "launcher": mock.MagicMock(),
+                "dock_area": mock.MagicMock(),
+                "scan_progress_simple": mock.MagicMock(),
+                "scan_progress_full": mock.MagicMock(),
+                "hover_widget": mock.MagicMock(),
+            },
             False,
         ),
     ],

tests/unit_tests/test_main_widnow.py

@@ -1,8 +1,14 @@
 import webbrowser
 
 import pytest
-from qtpy.QtWidgets import QFrame
+from qtpy.QtCore import QEvent, QPoint, QPointF
+from qtpy.QtGui import QEnterEvent
+from qtpy.QtWidgets import QApplication, QFrame, QLabel
 
+from bec_widgets.widgets.containers.main_window.addons.hover_widget import (
+    HoverWidget,
+    WidgetTooltip,
+)
 from bec_widgets.widgets.containers.main_window.addons.scroll_label import ScrollLabel
 from bec_widgets.widgets.containers.main_window.addons.web_links import BECWebLinksMixin
 from bec_widgets.widgets.containers.main_window.main_window import BECMainWindow
@@ -228,3 +234,60 @@ def test_scan_progress_bar_hide_animation(qtbot, bec_main_window):
     qtbot.waitUntil(lambda: container.maximumWidth() == 0, timeout=2000)
 
     assert container.maximumWidth() == 0
+
+
+#################################################################
+# Tests for hover widget and tooltip behaviour
+
+
+def test_hover_widget_tooltip(qtbot):
+    """
+    After a HoverWidget is closed, its WidgetTooltip must be gone.
+    """
+    simple = QLabel("Hover me")
+    full = QLabel("Full details")
+    hover = create_widget(qtbot, HoverWidget, simple=simple, full=full)
+
+    assert hover._simple is simple
+    assert hover._full is full
+    assert hover._tooltip is None
+
+
+def test_widget_tooltip_show_and_hide(qtbot):
+    """
+    WidgetTooltip should appear when show_above is called and hide on Leave.
+    """
+    full_lbl = QLabel("Standalone tooltip content")
+    tooltip = create_widget(qtbot, WidgetTooltip, content=full_lbl)
+
+    # Show above an arbitrary point
+    pos = QPoint(200, 200)
+    tooltip.show_above(pos)
+    assert tooltip.isVisible()
+
+    # Send a synthetic Leave event
+    QApplication.sendEvent(tooltip, QEvent(QEvent.Leave))
+    qtbot.waitUntil(lambda: not tooltip.isVisible(), timeout=500)
+    assert not tooltip.isVisible()
+
+
+def test_hover_widget_mouse_events(qtbot):
+    """
+    Verify that HoverWidget responds correctly to Enter, MouseMove, and Leave
+    events, keeping the tooltip visible only while the pointer is inside.
+    """
+    simple = QLabel("Hover‑target")
+    full = QLabel("Full‑view")
+    hover = create_widget(qtbot, HoverWidget, simple=simple, full=full)
+
+    local = QPointF(hover.rect().center())  # inside widget
+    scene = QPointF(hover.mapTo(hover.window(), local.toPoint()))
+    global_ = QPointF(hover.mapToGlobal(local.toPoint()))
+
+    enter_event = QEnterEvent(local, scene, global_)
+    hover.enterEvent(event=enter_event)
+    qtbot.wait(200)
+
+    assert hover._tooltip is not None
+    assert hover._tooltip.isVisible()
+    assert hover._tooltip.content is full

tests/unit_tests/test_scan_control.py

@@ -4,7 +4,7 @@ from unittest.mock import MagicMock, patch
 
 import pytest
 from bec_lib.endpoints import MessageEndpoints
-from bec_lib.messages import AvailableResourceMessage, ScanQueueHistoryMessage, ScanQueueMessage
+from bec_lib.messages import AvailableResourceMessage, ScanHistoryMessage
 from qtpy.QtCore import QModelIndex, Qt
 
 from bec_widgets.utils.forms_from_types.items import StrFormItem
@@ -221,82 +221,36 @@ available_scans_message = AvailableResourceMessage(
     }
 )
 
-scan_history = ScanQueueHistoryMessage(
+scan_history = ScanHistoryMessage(
     metadata={},
-    status="COMPLETED",
-    queue_id="94d7cb39-aa70-4060-92de-addcfb64e3c0",
-    info={
-        "queue_id": "94d7cb39-aa70-4060-92de-addcfb64e3c0",
-        "scan_id": ["bc2aa11f-24f6-44d6-8717-95e97fb43015"],
-        "is_scan": [True],
-        "request_blocks": [
-            {
-                "msg": ScanQueueMessage(
-                    metadata={
-                        "file_suffix": None,
-                        "file_directory": None,
-                        "user_metadata": {},
-                        "RID": "99321ef7-00ac-4e0c-9120-ce689bd88a4d",
-                    },
-                    scan_type="line_scan",
-                    parameter={
-                        "args": {"samx": [0.0, 2.0]},
-                        "kwargs": {
-                            "steps": 10,
-                            "relative": False,
-                            "exp_time": 2.0,
-                            "burst_at_each_point": 1,
-                            "system_config": {"file_suffix": None, "file_directory": None},
-                        },
-                    },
-                    queue="primary",
-                ),
-                "RID": "99321ef7-00ac-4e0c-9120-ce689bd88a4d",
-                "scan_motors": ["samx"],
-                "readout_priority": {
-                    "monitored": ["samx"],
-                    "baseline": [],
-                    "on_request": [],
-                    "async": [],
-                },
-                "is_scan": True,
-                "scan_number": 176,
-                "scan_id": "bc2aa11f-24f6-44d6-8717-95e97fb43015",
-                "metadata": {
-                    "file_suffix": None,
-                    "file_directory": None,
-                    "user_metadata": {},
-                    "RID": "99321ef7-00ac-4e0c-9120-ce689bd88a4d",
-                },
-                "content": {
-                    "scan_type": "line_scan",
-                    "parameter": {
-                        "args": {"samx": [0.0, 2.0]},
-                        "kwargs": {
-                            "steps": 10,
-                            "relative": False,
-                            "exp_time": 2.0,
-                            "burst_at_each_point": 1,
-                            "system_config": {"file_suffix": None, "file_directory": None},
-                        },
-                    },
-                    "queue": "primary",
-                },
-                "report_instructions": [{"scan_progress": 10}],
-            }
-        ],
-        "scan_number": [176],
-        "status": "COMPLETED",
-        "active_request_block": None,
+    scan_id="79cbef20-9ebe-45bb-a44c-f518be27a25c",
+    scan_number=1,
+    dataset_number=1,
+    file_path="/somepath/scan_1.h5",
+    exit_status="closed",
+    start_time=1750618470.936856,
+    end_time=1750618473.668227,
+    scan_name="line_scan",
+    num_points=100,
+    request_inputs={
+        "arg_bundle": ["samx", 0.0, 2.0],
+        "inputs": {},
+        "kwargs": {
+            "steps": 10,
+            "exp_time": 2,
+            "relative": False,
+            "system_config": {"file_suffix": None, "file_directory": None},
+        },
     },
-    queue="primary",
 )
 
 
 @pytest.fixture(scope="function")
 def scan_control(qtbot, mocked_client):  # , mock_dev):
     mocked_client.connector.set(MessageEndpoints.available_scans(), available_scans_message)
-    mocked_client.connector.lpush(MessageEndpoints.scan_queue_history(), scan_history)
+    mocked_client.connector.xadd(
+        topic=MessageEndpoints.scan_history(), msg_dict={"data": scan_history}
+    )
     widget = ScanControl(client=mocked_client)
     qtbot.addWidget(widget)
     qtbot.waitExposed(widget)

tests/unit_tests/test_signal_label.py

@@ -121,11 +121,13 @@ def test_custom_label(signal_label: SignalLabel, qtbot):
 
 def test_units_in_display(signal_label: SignalLabel, qtbot):
     signal_label._value = "1.8"
+    signal_label._dtype = "float"
     signal_label.custom_units = "Mfurlong μfortnight⁻¹"
     assert signal_label._display.text() == "1.800 Mfurlong μfortnight⁻¹"
 
 
 def test_decimal_places(signal_label: SignalLabel, qtbot):
+    signal_label._dtype = "float"
     signal_label.decimal_places = 2
     signal_label.set_display_value("123.456")
     assert signal_label._display.text() == "123.46 m/s"
@@ -226,6 +228,7 @@ def test_handle_readback(signal_label: SignalLabel, qtbot):
     signal_label.device = "samx"
     signal_label.signal = "readback"
     signal_label.custom_units = "μm"
+    signal_label._dtype = "float"
     signal_label.on_device_readback({"random": {"stuff": "in", "corrupted": "reading"}}, {})
     assert signal_label._display.text() == "ERROR!"
     assert "Error processing incoming reading" in signal_label._display.toolTip()