refactor: move rpc_base back to cli/rpc to make the transition easier

Automatically generated by python-semantic-release

.github/actions/bw_install/action.yml

@@ -62,4 +62,4 @@ runs:
         uv pip install --system -e ./ophyd_devices
         uv pip install --system -e ./bec/bec_lib[dev]
         uv pip install --system -e ./bec/bec_ipython_client
-        uv pip install --system -e ./bec_widgets[dev,pyside6]
+        uv pip install --system -e ./bec_widgets[dev,qtermwidget]

.github/workflows/end2end-conda.yml

@@ -55,5 +55,5 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: pytest-logs
-          path: ./logs/*.log
+          path: ./bec/logs/*.log
           retention-days: 7

.gitignore

@@ -177,4 +177,6 @@ cython_debug/
 #  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
+#.idea/
+#
+tombi.toml

CHANGELOG.md

@@ -1,6 +1,323 @@
 # CHANGELOG
 
 
+## v3.5.0 (2026-04-14)
+
+### Bug Fixes
+
+- Connect signals the correct way around
+  ([`f562c61`](https://github.com/bec-project/bec_widgets/commit/f562c61e3cec3387f6821bad74403beeb3436355))
+
+- Create new bec shell if deleted
+  ([`1754e75`](https://github.com/bec-project/bec_widgets/commit/1754e759f0c59f2f4063f661bacd334127326947))
+
+- Formatting in plugin template
+  ([`fa2ef83`](https://github.com/bec-project/bec_widgets/commit/fa2ef83bb9dfeeb4c5fc7cd77168c16101c32693))
+
+- **bec_console**: Persistent bec session
+  ([`9b0ec9d`](https://github.com/bec-project/bec_widgets/commit/9b0ec9dd79ad1adc5d211dd703db7441da965f34))
+
+### Features
+
+- Add qtermwidget plugin and replace web term
+  ([`02cb393`](https://github.com/bec-project/bec_widgets/commit/02cb393bb086165dc64917b633d5570d02e1a2a9))
+
+### Refactoring
+
+- Code cleanup
+  ([`bda5d38`](https://github.com/bec-project/bec_widgets/commit/bda5d389651bb2b13734cd31159679e85b1bd583))
+
+
+## v3.4.4 (2026-04-14)
+
+### Bug Fixes
+
+- Check duplicate stream sub
+  ([`c7de320`](https://github.com/bec-project/bec_widgets/commit/c7de320ca564264a31b84931f553170f25659685))
+
+- Check for duplicate subscriptions in GUIClient
+  ([`37747ba`](https://github.com/bec-project/bec_widgets/commit/37747babda407040333c6bd04646be9a49e0ee81))
+
+- Make gui client registry callback non static
+  ([`32f5d48`](https://github.com/bec-project/bec_widgets/commit/32f5d486d3fc8d41df2668c58932ae982819b285))
+
+- Remove staticmethod subscription
+  ([`0ff1fdc`](https://github.com/bec-project/bec_widgets/commit/0ff1fdc81578eec3ffc5d4030fca7b357a0b4c2f))
+
+
+## v3.4.3 (2026-04-13)
+
+### Bug Fixes
+
+- Set OPHYD_CONTROL_LAYER to dummy for tests
+  ([`5e84d3b`](https://github.com/bec-project/bec_widgets/commit/5e84d3bec608ae9f2ee6dae67db2e3e1387b1f59))
+
+
+## v3.4.2 (2026-04-01)
+
+### Bug Fixes
+
+- Allow admin user to pass deployment group check
+  ([`e6c8cd0`](https://github.com/bec-project/bec_widgets/commit/e6c8cd0b1a1162302071c93a2ac51880b3cf1b7d))
+
+- **bec-atlas-admin-view**: Fix atlas_url to bec-atlas-prod.psi.ch
+  ([`242f893`](https://github.com/bec-project/bec_widgets/commit/242f8933b246802f5f3a5b9df7de07901f151c82))
+
+### Testing
+
+- Add tests for admin access
+  ([`2dab16b`](https://github.com/bec-project/bec_widgets/commit/2dab16b68415806f3f291657f394bb2d8654229d))
+
+
+## v3.4.1 (2026-04-01)
+
+### Bug Fixes
+
+- **hover_widget**: Make it fancy + mouse tracking
+  ([`e25b660`](https://github.com/bec-project/bec_widgets/commit/e25b6604d195804bbd6ea6aac395d44dc00d6155))
+
+- **ring**: Changed inheritance to BECWidget and added cleanup
+  ([`2f75aae`](https://github.com/bec-project/bec_widgets/commit/2f75aaea16a178e180e68d702cd1bdf85a768bcf))
+
+- **ring**: Hook update hover to update method
+  ([`90ecd8e`](https://github.com/bec-project/bec_widgets/commit/90ecd8ea87faf06c3f545e3f9241f403b733d7eb))
+
+- **ring**: Minor general fixes
+  ([`6775509`](https://github.com/bec-project/bec_widgets/commit/677550931b28fbf35fd55880bf6e001f7351b99b))
+
+- **ring_progress_bar**: Added hover mouse effect
+  ([`96b5179`](https://github.com/bec-project/bec_widgets/commit/96b5179658c41fb39df7a40f4d96e82092605791))
+
+### Testing
+
+- **ring_progress_bar**: Add unit tests for hover behavior
+  ([`6e5f6e7`](https://github.com/bec-project/bec_widgets/commit/6e5f6e7fbb6f9680f6d026e105e6840d24c6591c))
+
+
+## v3.4.0 (2026-03-26)
+
+### Bug Fixes
+
+- **lmfit_dialog**: Compact layout size policy for better alignment panel UX
+  ([`31389a3`](https://github.com/bec-project/bec_widgets/commit/31389a3dd0c7b1c671acdf49ae50b08455f466a7))
+
+- **waveform**: Alignment panel indicators request autoscale if updated
+  ([`a292375`](https://github.com/bec-project/bec_widgets/commit/a2923752c27ad7b9749db3d309fe288747b85acb))
+
+### Features
+
+- **waveform**: 1d alignment mode panel
+  ([`a486c52`](https://github.com/bec-project/bec_widgets/commit/a486c52058b4edbea00ad7bb018f1fa2822fb9c6))
+
+
+## v3.3.4 (2026-03-24)
+
+### Bug Fixes
+
+- **lmfit_dialog**: Dialog compact adjustment and cleanup of stale methods
+  ([`f67b60a`](https://github.com/bec-project/bec_widgets/commit/f67b60ac98cd87ed8391fee8545eb8064a068e67))
+
+- **lmfit_dialog**: Fix cpp object deleted
+  ([`5ec59d5`](https://github.com/bec-project/bec_widgets/commit/5ec59d5dbb75e3a9deb488b0affaf8cb704242b9))
+
+- **lmfit_dialog**: Fix fit_curve_id type annotation and remove_dap_data selection behavior
+  ([`05c38d9`](https://github.com/bec-project/bec_widgets/commit/05c38d9b82cc6dfaec8f5abf8e0ececa5d001524))
+
+Co-authored-by: wyzula-jan <133381102+wyzula-jan@users.noreply.github.com>
+
+Agent-Logs-Url:
+  https://github.com/bec-project/bec_widgets/sessions/97395c0e-0271-4cdf-b39f-f3117d21bfa3
+
+
+## v3.3.3 (2026-03-23)
+
+### Bug Fixes
+
+- **positioner_box**: Remove CompactPopupWidget inheritance
+  ([`da400d2`](https://github.com/bec-project/bec_widgets/commit/da400d20b672236241ce3a4480481ac6a5df1b2e))
+
+
+## v3.3.2 (2026-03-22)
+
+### Bug Fixes
+
+- Typos
+  ([`3d29a67`](https://github.com/bec-project/bec_widgets/commit/3d29a67c0b2175f2f29b8e5a7befce55f3d28fd3))
+
+
+## v3.3.1 (2026-03-20)
+
+### Bug Fixes
+
+- **dap_combobox**: Added safeguard for no DAP models
+  ([`79af15a`](https://github.com/bec-project/bec_widgets/commit/79af15a88b993cd5b6bf730796f995f20cf6f188))
+
+- **dap_combobox**: Rewritten as proper combobox
+  ([`90222f3`](https://github.com/bec-project/bec_widgets/commit/90222f30821f822eb24b0179401d4e43050e0156))
+
+
+## v3.3.0 (2026-03-20)
+
+### Bug Fixes
+
+- Fix black 2026 formatting
+  ([`d4ecefd`](https://github.com/bec-project/bec_widgets/commit/d4ecefd80a6ab944b4da51c1ee35e5dea67770f2))
+
+- **actions**: Allow minimum icon size for actions in toolbar
+  ([`de941d1`](https://github.com/bec-project/bec_widgets/commit/de941d1bc565e444f84696b1de046d50b62f3c1b))
+
+- **admin-view**: Generate RPC interface for AdminView
+  ([`137e572`](https://github.com/bec-project/bec_widgets/commit/137e572a942281a9c7478a6be83f815848917e26))
+
+- **admin-widget**: Cleanup and minor improvements
+  ([`0c6f3f8`](https://github.com/bec-project/bec_widgets/commit/0c6f3f8352e7318a4f0579c83066b5b433fd1144))
+
+- **admin_view**: Minor changes
+  ([`48c9c83`](https://github.com/bec-project/bec_widgets/commit/48c9c83bb0c9432905d347b2d2cf46c05e58c098))
+
+- **bec-atlas-admin-view**: Fix connect_slot for dispatcher
+  ([`23c146b`](https://github.com/bec-project/bec_widgets/commit/23c146b3e6bbbabfb35f1892bc8653a65652ae6a))
+
+- **login-dialog**: Remove login_dialog
+  ([`d1a1d85`](https://github.com/bec-project/bec_widgets/commit/d1a1d85abd3331ebab696580c692c69b71482f37))
+
+- **main-app**: Fix id for main-app init of AdminView
+  ([`b14b046`](https://github.com/bec-project/bec_widgets/commit/b14b04688284eb875ea4469765786834e74fceb3))
+
+- **main-app**: Skip on_enter/exit hooks if darkmodebutton clicked
+  ([`f565deb`](https://github.com/bec-project/bec_widgets/commit/f565deb71db8fa5206fa2b4eea436e5055030bbc))
+
+- **pyproject**: Add PyJWT as dependency
+  ([`889e9c0`](https://github.com/bec-project/bec_widgets/commit/889e9c0994a960b93c93143b6dc5845dc96f9f96))
+
+- **RPC**: Fix rpc access
+  ([`8e53ae2`](https://github.com/bec-project/bec_widgets/commit/8e53ae2d3938e9c0a4c11082300156994447faaf))
+
+### Features
+
+- **admin-view**: Add admin view to views
+  ([`63059a4`](https://github.com/bec-project/bec_widgets/commit/63059a4ef897a919f296c68ada066e0b228f8248))
+
+- **bec-atlas-admin-view**: Add http service through QNetworkAccessManager
+  ([`1770873`](https://github.com/bec-project/bec_widgets/commit/17708730fcff41713638c17d0cc1f5d9d0b75122))
+
+- **bec-atlas-admin-view**: Add initial admin view
+  ([`ec58fbd`](https://github.com/bec-project/bec_widgets/commit/ec58fbd6d859058f518b88ba15670a3a715c3cc3))
+
+- **bec-atlas-admin-view**: Add login dilaog
+  ([`1384a32`](https://github.com/bec-project/bec_widgets/commit/1384a329abf873b5496e540a542088c7f13b7270))
+
+- **experiment-selection**: Add experiment selection widget
+  ([`598c453`](https://github.com/bec-project/bec_widgets/commit/598c453a1876cebc2482d55bf6c2728ec247def0))
+
+### Refactoring
+
+- Address review comments
+  ([`a7a9458`](https://github.com/bec-project/bec_widgets/commit/a7a9458180c18bf2bba652c2ff8a68875af36a22))
+
+- Cleanup widgets
+  ([`895b318`](https://github.com/bec-project/bec_widgets/commit/895b3189904778c269200365b264a32ff15dda21))
+
+- Fix formatting, running black 2026.1
+  ([`ab223d5`](https://github.com/bec-project/bec_widgets/commit/ab223d5fdc00b1a7bc9fd61abce5fabe4409654b))
+
+- **admin-view**: Refactor experiment selection, http service, admin view, and add main view
+  ([`3a17a24`](https://github.com/bec-project/bec_widgets/commit/3a17a249ed179fb8a11591f948c7b6338e10a60d))
+
+- **atlas-http-service**: Rename AtlasEndpoints
+  ([`2b0f575`](https://github.com/bec-project/bec_widgets/commit/2b0f575733412a96e54dff2dca15082d64caf7ee))
+
+- **fuzzy-search**: Unify is_match for fuzzy search
+  ([`d4afcb6`](https://github.com/bec-project/bec_widgets/commit/d4afcb68324f63ac8aea7cc3b2c82e79d2e643ca))
+
+### Testing
+
+- **bec-atlas-admin-view**: Complement tests for BECAtlasAdminView, ExperimentSelection,
+  BECAtlasHTTPService
+  ([`df44d9b`](https://github.com/bec-project/bec_widgets/commit/df44d9b50eb289a7851579c64a2a8c0e2363b06a))
+
+- **bec-atlas-http-service**: Add tests for http service
+  ([`34e80ee`](https://github.com/bec-project/bec_widgets/commit/34e80ee8f9a2b2373c97ae7cde90690ab6fb37ce))
+
+
+## v3.2.4 (2026-03-19)
+
+### Bug Fixes
+
+- **main_app**: Setapplicationname("bec")
+  ([`28be696`](https://github.com/bec-project/bec_widgets/commit/28be696f7c7d9762c742c6d5fb5b03867d5e92ea))
+
+
+## v3.2.3 (2026-03-16)
+
+### Bug Fixes
+
+- Check adding parent for filesystemmodel
+  ([`b9145d7`](https://github.com/bec-project/bec_widgets/commit/b9145d762cdf946f184834928a6404f21b4802a9))
+
+- Refactor client mock with global fakeredis
+  ([`37a5dc2`](https://github.com/bec-project/bec_widgets/commit/37a5dc2e9eeb447d174f4d7087051672f308c84c))
+
+### Continuous Integration
+
+- Fix path for uploading logs on failure
+  ([`1351fcd`](https://github.com/bec-project/bec_widgets/commit/1351fcd47b909c1a33cb389c096041eb1449e3d3))
+
+
+## v3.2.2 (2026-03-16)
+
+### Bug Fixes
+
+- **image**: Disconnecting of 2d monitor
+  ([`4c9d7fd`](https://github.com/bec-project/bec_widgets/commit/4c9d7fddce7aa5b7f13a00ac332bd54b301e3c28))
+
+
+## v3.2.1 (2026-03-16)
+
+### Bug Fixes
+
+- **e2e**: Bec dock rpc fixed synchronization
+  ([`e061fa3`](https://github.com/bec-project/bec_widgets/commit/e061fa31a9a5e5c00e44337d7cc52c51d8e259b5))
+
+- **e2e**: Bec shell excluded from e2e testing
+  ([`974f259`](https://github.com/bec-project/bec_widgets/commit/974f25997d68d13ff1063026f9e5c4c8dd4d49f3))
+
+- **e2e**: Timeout for maybe_remove_dock_area
+  ([`718f995`](https://github.com/bec-project/bec_widgets/commit/718f99527c3bebb96845d3305aba69434eb83f77))
+
+
+## v3.2.0 (2026-03-11)
+
+### Features
+
+- **curve, waveform**: Add dap_parameters for lmfit customization in DAP requests
+  ([`14d51b8`](https://github.com/bec-project/bec_widgets/commit/14d51b80169f5a060dd24287f3a6db9a4b41275a))
+
+- **waveform**: Composite DAP with multiple models
+  ([`b4f6f5a`](https://github.com/bec-project/bec_widgets/commit/b4f6f5aa8bcd0f6091610e8f839ea265c87575e0))
+
+
+## v3.1.4 (2026-03-11)
+
+### Bug Fixes
+
+- **profile_utils**: Renamed to fetch widgets settings
+  ([`53e5ec4`](https://github.com/bec-project/bec_widgets/commit/53e5ec42b8b33397af777f418fbd8601628226a6))
+
+### Build System
+
+- Increased minimal version of bec and bec qthemes
+  ([`7e0e391`](https://github.com/bec-project/bec_widgets/commit/7e0e391888f2ee4e8528ccb3938e36da4c32f146))
+
+
+## v3.1.3 (2026-03-09)
+
+### Bug Fixes
+
+- **monaco_dock**: Optimization, removal of QTimer, eventFilter replaced by signal/slot
+  ([`278d8de`](https://github.com/bec-project/bec_widgets/commit/278d8de058c2f5c6c9aa7317e1026651d7a4acd3))
+
+
 ## v3.1.2 (2026-03-06)
 
 ### Bug Fixes

bec_widgets/__init__.py

@@ -1,19 +1,13 @@
-import os
-import sys
-
-import bec_widgets.widgets.containers.qt_ads as QtAds
-from bec_widgets.utils.bec_widget import BECWidget
-from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
-
-if sys.platform.startswith("linux"):
-    qt_platform = os.environ.get("QT_QPA_PLATFORM", "")
-    if qt_platform != "offscreen":
-        os.environ["QT_QPA_PLATFORM"] = "xcb"
-
-# Default QtAds configuration
-QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.eConfigFlag.FocusHighlighting, True)
-QtAds.CDockManager.setConfigFlag(
-    QtAds.CDockManager.eConfigFlag.RetainTabSizeWhenCloseButtonHidden, True
-)
-
 __all__ = ["BECWidget", "SafeSlot", "SafeProperty"]
+
+
+def __getattr__(name):
+    if name == "BECWidget":
+        from bec_widgets.utils.bec_widget import BECWidget
+
+        return BECWidget
+    if name in {"SafeSlot", "SafeProperty"}:
+        from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
+
+        return {"SafeSlot": SafeSlot, "SafeProperty": SafeProperty}[name]
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")

bec_widgets/applications/__init__.py

@@ -0,0 +1,15 @@
+import os
+import sys
+
+import bec_widgets.widgets.containers.qt_ads as QtAds
+
+if sys.platform.startswith("linux"):
+    qt_platform = os.environ.get("QT_QPA_PLATFORM", "")
+    if qt_platform != "offscreen":
+        os.environ["QT_QPA_PLATFORM"] = "xcb"
+
+# Default QtAds configuration
+QtAds.CDockManager.setConfigFlag(QtAds.CDockManager.eConfigFlag.FocusHighlighting, True)
+QtAds.CDockManager.setConfigFlag(
+    QtAds.CDockManager.eConfigFlag.RetainTabSizeWhenCloseButtonHidden, True
+)

bec_widgets/applications/companion_app.py

@@ -19,8 +19,8 @@ from qtpy.QtWidgets import QApplication
 
 import bec_widgets
 from bec_widgets.applications.launch_window import LaunchWindow
-from bec_widgets.cli.rpc.rpc_register import RPCRegister
 from bec_widgets.utils.bec_dispatcher import BECDispatcher
+from bec_widgets.utils.rpc_register import RPCRegister
 
 logger = bec_logger.logger
 

bec_widgets/applications/launch_window.py

@@ -20,13 +20,13 @@ from qtpy.QtWidgets import (
 )
 
 import bec_widgets
-from bec_widgets.cli.rpc.rpc_register import RPCRegister
 from bec_widgets.utils.bec_plugin_helper import get_all_plugin_widgets
 from bec_widgets.utils.container_utils import WidgetContainerUtils
 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.rpc_register import RPCRegister
 from bec_widgets.utils.screen_utils import apply_window_geometry, centered_geometry_for_app
 from bec_widgets.utils.toolbars.toolbar import ModularToolBar
 from bec_widgets.utils.ui_loader import UILoader

bec_widgets/applications/main_app.py

@@ -5,6 +5,7 @@ from qtpy.QtWidgets import QApplication, QHBoxLayout, QStackedWidget, QWidget
 from bec_widgets.applications.navigation_centre.reveal_animator import ANIMATION_DURATION
 from bec_widgets.applications.navigation_centre.side_bar import SideBar
 from bec_widgets.applications.navigation_centre.side_bar_components import NavigationItem
+from bec_widgets.applications.views.admin_view.admin_view import AdminView
 from bec_widgets.applications.views.developer_view.developer_view import DeveloperView
 from bec_widgets.applications.views.device_manager_view.device_manager_view import DeviceManagerView
 from bec_widgets.applications.views.dock_area_view.dock_area_view import DockAreaView
@@ -63,6 +64,8 @@ class BECMainApp(BECMainWindow):
         self.dock_area = DockAreaView(self)
         self.device_manager = DeviceManagerView(self)
         # self.developer_view = DeveloperView(self) #TODO temporary disable until the bugs with BECShell are resolved
+        self.admin_view = AdminView(self)
+
         self.add_view(icon="widgets", title="Dock Area", widget=self.dock_area, mini_text="Docks")
         self.add_view(
             icon="display_settings",
@@ -78,6 +81,13 @@ class BECMainApp(BECMainWindow):
         #     mini_text="IDE",
         #     exclusive=True,
         # )
+        self.add_view(
+            icon="admin_panel_settings",
+            title="Admin View",
+            widget=self.admin_view,
+            mini_text="Admin",
+            from_top=False,
+        )
 
         if self._show_examples:
             self.add_section("Examples", "examples")
@@ -181,6 +191,12 @@ class BECMainApp(BECMainWindow):
 
     # Internal: route sidebar selection to the stack
     def _on_view_selected(self, vid: str) -> None:
+        # Special handling for views that can not be switched to (e.g. dark mode toggle)
+        # Not registered as proper view with a stack index, so we ignore any logic below
+        # as it will anyways not result in a stack switch.
+        idx = self._view_index.get(vid)
+        if idx is None or not (0 <= idx < self.stack.count()):
+            return
         # Determine current view
         current_index = self.stack.currentIndex()
         current_view = (
@@ -247,7 +263,7 @@ class BECMainApp(BECMainWindow):
             developer_view_step = self.guided_tour.register_widget(
                 widget=sidebar_developer_view,
                 title="Developer View",
-                text="Click here to access the Developer view to write scripts and makros.",
+                text="Click here to access the Developer view to write scripts and macros.",
             )
             tour_steps.append(developer_view_step)
 
@@ -378,6 +394,7 @@ def main():  # pragma: no cover
     args, qt_args = parser.parse_known_args(sys.argv[1:])
 
     app = QApplication([sys.argv[0], *qt_args])
+    app.setApplicationName("BEC")
     apply_theme("dark")
     w = BECMainApp(show_examples=args.examples)
 

bec_widgets/applications/views/admin_view/admin_view.py

@@ -0,0 +1,35 @@
+"""Module for Admin View."""
+
+from qtpy.QtWidgets import QWidget
+
+from bec_widgets.applications.views.view import ViewBase
+from bec_widgets.utils.error_popups import SafeSlot
+from bec_widgets.widgets.services.bec_atlas_admin_view.bec_atlas_admin_view import BECAtlasAdminView
+
+
+class AdminView(ViewBase):
+    """
+    A view for administrators to change the current active experiment, manage messaging
+    services, and more tasks reserved for users with admin privileges.
+    """
+
+    def __init__(
+        self,
+        parent: QWidget | None = None,
+        content: QWidget | None = None,
+        *,
+        view_id: str | None = None,
+        title: str | None = None,
+        **kwargs,
+    ):
+        super().__init__(parent=parent, content=content, view_id=view_id, title=title)
+        self.admin_widget = BECAtlasAdminView(parent=self)
+        self.set_content(self.admin_widget)
+
+    @SafeSlot()
+    def on_exit(self) -> None:
+        """Called before the view is hidden.
+
+        Default implementation does nothing. Override in subclasses.
+        """
+        self.admin_widget.logout()

bec_widgets/applications/views/developer_view/developer_widget.py

@@ -16,9 +16,9 @@ from bec_widgets.utils.toolbars.toolbar import ModularToolBar
 from bec_widgets.widgets.containers.dock_area.basic_dock_area import DockAreaWidget
 from bec_widgets.widgets.containers.dock_area.dock_area import BECDockArea
 from bec_widgets.widgets.containers.qt_ads import CDockWidget
+from bec_widgets.widgets.editors.bec_console.bec_console import BecConsole, BECShell
 from bec_widgets.widgets.editors.monaco.monaco_dock import MonacoDock
 from bec_widgets.widgets.editors.monaco.monaco_widget import MonacoWidget
-from bec_widgets.widgets.editors.web_console.web_console import BECShell, WebConsole
 from bec_widgets.widgets.utility.ide_explorer.ide_explorer import IDEExplorer
 
 
@@ -96,7 +96,7 @@ class DeveloperWidget(DockAreaWidget):
 
         self.console = BECShell(self, rpc_exposed=False)
         self.console.setObjectName("BEC Shell")
-        self.terminal = WebConsole(self, rpc_exposed=False)
+        self.terminal = BecConsole(self, rpc_exposed=False)
         self.terminal.setObjectName("Terminal")
         self.monaco = MonacoDock(self, rpc_exposed=False, rpc_passthrough_children=False)
         self.monaco.setObjectName("MonacoEditor")
@@ -410,23 +410,3 @@ class DeveloperWidget(DockAreaWidget):
         """Clean up resources used by the developer widget."""
         self.delete_all()
         return super().cleanup()
-
-
-if __name__ == "__main__":
-    import sys
-
-    from bec_qthemes import apply_theme
-    from qtpy.QtWidgets import QApplication
-
-    from bec_widgets.applications.main_app import BECMainApp
-
-    app = QApplication(sys.argv)
-    apply_theme("dark")
-
-    _app = BECMainApp()
-    _app.show()
-    # developer_view.show()
-    # developer_view.setWindowTitle("Developer View")
-    # developer_view.resize(1920, 1080)
-    # developer_view.set_stretch(horizontal=[1, 3, 2], vertical=[5, 5]) #can be set during runtime
-    sys.exit(app.exec_())

bec_widgets/applications/views/device_manager_view/device_manager_display_widget.py

@@ -169,7 +169,7 @@ class DeviceManagerDisplayWidget(DockAreaWidget):
         self._upload_redis_dialog: UploadRedisDialog | None = None
         self._dialog_validation_connection: QMetaObject.Connection | None = None
 
-        # NOTE: We need here a seperate config helper instance to avoid conflicts with
+        # NOTE: We need here a separate config helper instance to avoid conflicts with
         # other communications to REDIS as uploading a config through a CommunicationConfigAction
         # will block if we use the config_helper from self.client.config._config_helper
         self._config_helper = config_helper.ConfigHelper(self.client.connector)
@@ -607,8 +607,8 @@ class DeviceManagerDisplayWidget(DockAreaWidget):
                 self.device_table_view._is_config_in_sync_with_redis()
             )
             validation_results = self.device_table_view.get_validation_results()
-            for config, config_status, connnection_status in validation_results.values():
-                if connnection_status == ConnectionStatus.CONNECTED.value:
+            for config, config_status, connection_status in validation_results.values():
+                if connection_status == ConnectionStatus.CONNECTED.value:
                     self.device_table_view.update_device_validation(
                         config, config_status, ConnectionStatus.CAN_CONNECT, ""
                     )

bec_widgets/cli/__init__.py

@@ -0,0 +1 @@
+from bec_widgets.cli.rpc import rpc_base

bec_widgets/cli/client.py

@@ -21,7 +21,7 @@ logger = bec_logger.logger
 
 
 class _WidgetsEnumType(str, enum.Enum):
-    """Enum for the available widgets, to be generated programatically"""
+    """Enum for the available widgets, to be generated programmatically"""
 
     ...
 
@@ -32,6 +32,7 @@ _Widgets = {
     "BECQueue": "BECQueue",
     "BECShell": "BECShell",
     "BECStatusBox": "BECStatusBox",
+    "BecConsole": "BecConsole",
     "DapComboBox": "DapComboBox",
     "DeviceBrowser": "DeviceBrowser",
     "Heatmap": "Heatmap",
@@ -56,7 +57,6 @@ _Widgets = {
     "SignalLabel": "SignalLabel",
     "TextBox": "TextBox",
     "Waveform": "Waveform",
-    "WebConsole": "WebConsole",
     "WebsiteWidget": "WebsiteWidget",
 }
 
@@ -89,6 +89,16 @@ except ImportError as e:
     logger.error(f"Failed loading plugins: \n{reduce(add, traceback.format_exception(e))}")
 
 
+class AdminView(RPCBase):
+    """A view for administrators to change the current active experiment, manage messaging"""
+
+    @rpc_call
+    def activate(self) -> "None":
+        """
+        Switch the parent application to this view.
+        """
+
+
 class AutoUpdates(RPCBase):
     @property
     @rpc_call
@@ -496,7 +506,7 @@ class BECQueue(RPCBase):
 
 
 class BECShell(RPCBase):
-    """A WebConsole pre-configured to run the BEC shell."""
+    """A BecConsole pre-configured to run the BEC shell."""
 
     @rpc_call
     def remove(self):
@@ -681,6 +691,28 @@ class BaseROI(RPCBase):
         """
 
 
+class BecConsole(RPCBase):
+    """A console widget with access to a shared registry of terminals, such that instances can be moved around."""
+
+    @rpc_call
+    def remove(self):
+        """
+        Cleanup the BECConnector
+        """
+
+    @rpc_call
+    def attach(self):
+        """
+        None
+        """
+
+    @rpc_call
+    def detach(self):
+        """
+        Detach the widget from its parent dock widget (if widget is in the dock), making it a floating widget.
+        """
+
+
 class CircularROI(RPCBase):
     """Circular Region of Interest with center/diameter tracking and auto-labeling."""
 
@@ -975,7 +1007,7 @@ class Curve(RPCBase):
 
 
 class DapComboBox(RPCBase):
-    """The DAPComboBox widget is an extension to the QComboBox with all avaialble DAP model from BEC."""
+    """Editable combobox listing the available DAP models."""
 
     @rpc_call
     def select_y_axis(self, y_axis: str):
@@ -1001,7 +1033,7 @@ class DapComboBox(RPCBase):
         Slot to update the fit model.
 
         Args:
-            default_device(str): Default device name.
+            fit_name(str): Fit model name.
         """
 
 
@@ -6249,7 +6281,8 @@ class Waveform(RPCBase):
         signal_y: "str | None" = None,
         color: "str | None" = None,
         label: "str | None" = None,
-        dap: "str | None" = None,
+        dap: "str | list[str] | None" = None,
+        dap_parameters: "dict | list | lmfit.Parameters | None | object" = None,
         scan_id: "str | None" = None,
         scan_number: "int | None" = None,
         **kwargs,
@@ -6271,9 +6304,14 @@ class Waveform(RPCBase):
             signal_y(str): The name of the entry for the y-axis.
             color(str): The color of the curve.
             label(str): The label of the curve.
-            dap(str): The dap model to use for the curve. When provided, a DAP curve is
+            dap(str | list[str]): The dap model to use for the curve. When provided, a DAP curve is
                 attached automatically for device, history, or custom data sources. Use
-                the same string as the LMFit model name.
+                the same string as the LMFit model name, or a list of model names to build a composite.
+            dap_parameters(dict | list | lmfit.Parameters | None): Optional lmfit parameter overrides sent to
+                the DAP server. For a single model: values can be numeric (interpreted as fixed parameters)
+                or dicts like `{"value": 1.0, "vary": False}`. For composite models (dap is list), use either
+                a list aligned to the model list (each item is a param dict), or a dict of
+                `{ "ModelName": { "param": {...} } }` when model names are unique.
             scan_id(str):  Optional scan ID. When provided, the curve is treated as a **history** curve and
                 the y‑data (and optional x‑data) are fetched from that historical scan. Such curves are
                 never cleared by live‑scan resets.
@@ -6287,9 +6325,10 @@ class Waveform(RPCBase):
     def add_dap_curve(
         self,
         device_label: "str",
-        dap_name: "str",
+        dap_name: "str | list[str]",
         color: "str | None" = None,
         dap_oversample: "int" = 1,
+        dap_parameters: "dict | list | lmfit.Parameters | None" = None,
         **kwargs,
     ) -> "Curve":
         """
@@ -6299,9 +6338,11 @@ class Waveform(RPCBase):
 
         Args:
             device_label(str): The label of the source curve to add DAP to.
-            dap_name(str): The name of the DAP model to use.
+            dap_name(str | list[str]): The name of the DAP model to use, or a list of model
+                names to build a composite model.
             color(str): The color of the curve.
             dap_oversample(int): The oversampling factor for the DAP curve.
+            dap_parameters(dict | list | lmfit.Parameters | None): Optional lmfit parameter overrides sent to the DAP server.
             **kwargs
 
         Returns:
@@ -6398,28 +6439,6 @@ class WaveformViewPopup(RPCBase):
         """
 
 
-class WebConsole(RPCBase):
-    """A simple widget to display a website"""
-
-    @rpc_call
-    def remove(self):
-        """
-        Cleanup the BECConnector
-        """
-
-    @rpc_call
-    def attach(self):
-        """
-        None
-        """
-
-    @rpc_call
-    def detach(self):
-        """
-        Detach the widget from its parent dock widget (if widget is in the dock), making it a floating widget.
-        """
-
-
 class WebsiteWidget(RPCBase):
     """A simple widget to display a website"""
 

bec_widgets/cli/client_utils.py

@@ -10,9 +10,9 @@ import threading
 import time
 from contextlib import contextmanager
 from threading import Lock
-from typing import TYPE_CHECKING, Literal, TypeAlias, cast
+from typing import TYPE_CHECKING, Callable, Literal, TypeAlias, cast
 
-from bec_lib.endpoints import MessageEndpoints
+from bec_lib.endpoints import EndpointInfo, MessageEndpoints
 from bec_lib.logger import bec_logger
 from bec_lib.utils.import_utils import lazy_import, lazy_import_from
 from rich.console import Console
@@ -232,6 +232,11 @@ class BECGuiClient(RPCBase):
         """The launcher object."""
         return RPCBase(gui_id=f"{self._gui_id}:launcher", parent=self, object_name="launcher")
 
+    def _safe_register_stream(self, endpoint: EndpointInfo, cb: Callable, **kwargs):
+        """Check if already registered for registration in idempotent functions."""
+        if not self._client.connector.any_stream_is_registered(endpoint, cb=cb):
+            self._client.connector.register(endpoint, cb=cb, **kwargs)
+
     def connect_to_gui_server(self, gui_id: str) -> None:
         """Connect to a GUI server"""
         # Unregister the old callback
@@ -247,10 +252,9 @@ class BECGuiClient(RPCBase):
         self._ipython_registry = {}
 
         # Register the new callback
-        self._client.connector.register(
+        self._safe_register_stream(
             MessageEndpoints.gui_registry_state(self._gui_id),
             cb=self._handle_registry_update,
-            parent=self,
             from_start=True,
         )
 
@@ -531,20 +535,14 @@ class BECGuiClient(RPCBase):
 
     def _start(self, wait: bool = False) -> None:
         self._killed = False
-        self._client.connector.register(
-            MessageEndpoints.gui_registry_state(self._gui_id),
-            cb=self._handle_registry_update,
-            parent=self,
+        self._safe_register_stream(
+            MessageEndpoints.gui_registry_state(self._gui_id), cb=self._handle_registry_update
         )
         return self._start_server(wait=wait)
 
-    @staticmethod
-    def _handle_registry_update(
-        msg: dict[str, GUIRegistryStateMessage], parent: BECGuiClient
-    ) -> None:
+    def _handle_registry_update(self, msg: dict[str, GUIRegistryStateMessage]) -> None:
         # This was causing a deadlock during shutdown, not sure why.
         # with self._lock:
-        self = parent
         self._server_registry = cast(dict[str, RegistryState], msg["data"].state)
         self._update_dynamic_namespace(self._server_registry)
 

bec_widgets/cli/rpc/rpc_base.py

@@ -248,9 +248,7 @@ class RPCBase:
             self._rpc_response = None
             self._msg_wait_event.clear()
             self._client.connector.register(
-                MessageEndpoints.gui_instruction_response(request_id),
-                cb=self._on_rpc_response,
-                parent=self,
+                MessageEndpoints.gui_instruction_response(request_id), cb=self._on_rpc_response
             )
 
         self._client.connector.set_and_publish(MessageEndpoints.gui_instructions(receiver), rpc_msg)
@@ -276,11 +274,10 @@ class RPCBase:
             self._rpc_response = None
             return self._create_widget_from_msg_result(msg_result)
 
-    @staticmethod
-    def _on_rpc_response(msg_obj: MessageObject, parent: RPCBase) -> None:
+    def _on_rpc_response(self, msg_obj: MessageObject) -> None:
         msg = cast(messages.RequestResponseMessage, msg_obj.value)
-        parent._rpc_response = msg
-        parent._msg_wait_event.set()
+        self._rpc_response = msg
+        self._msg_wait_event.set()
 
     def _create_widget_from_msg_result(self, msg_result):
         if msg_result is None:

bec_widgets/examples/jupyter_console/jupyter_console_window.py

@@ -25,8 +25,8 @@ from qtpy.QtWidgets import (
     QWidget,
 )
 
-from bec_widgets.cli.rpc.rpc_widget_handler import widget_handler
 from bec_widgets.utils.colors import apply_theme
+from bec_widgets.utils.rpc_widget_handler import widget_handler
 from bec_widgets.utils.widget_io import WidgetHierarchy as wh
 from bec_widgets.widgets.editors.jupyter_console.jupyter_console import BECJupyterConsole
 

bec_widgets/tests/utils.py

@@ -1,6 +1,7 @@
 # pylint: skip-file
 from unittest.mock import MagicMock
 
+from bec_lib.config_helper import ConfigHelper
 from bec_lib.device import Device as BECDevice
 from bec_lib.device import Positioner as BECPositioner
 from bec_lib.device import ReadoutPriority
@@ -219,7 +220,9 @@ class Device(FakeDevice):
 
 
 class DMMock:
-    def __init__(self):
+    def __init__(self, *args, **kwargs):
+        self._service = args[0]
+        self.config_helper = ConfigHelper(self._service.connector, self._service._service_name)
         self.devices = DeviceContainer()
         self.enabled_devices = [device for device in self.devices if device.enabled]
 
@@ -273,6 +276,10 @@ class DMMock:
             configs.append(device._config)
         return configs
 
+    def initialize(*_): ...
+
+    def shutdown(self): ...
+
 
 DEVICES = [
     FakePositioner("samx", limits=[-10, 10], read_value=2.0),

bec_widgets/utils/__init__.py

@@ -1,13 +1 @@
-from qtpy.QtWebEngineWidgets import QWebEngineView
 
-from .bec_connector import BECConnector, ConnectionConfig
-from .bec_dispatcher import BECDispatcher
-from .bec_table import BECTable
-from .colors import Colors
-from .container_utils import WidgetContainerUtils
-from .crosshair import Crosshair
-from .entry_validator import EntryValidator
-from .layout_manager import GridLayoutManager
-from .rpc_decorator import register_rpc_methods, rpc_public
-from .ui_loader import UILoader
-from .validator_delegate import DoubleValidationDelegate

bec_widgets/utils/bec_connector.py

@@ -15,9 +15,9 @@ from pydantic import BaseModel, Field, field_validator
 from qtpy.QtCore import Property, QObject, QRunnable, QThreadPool, Signal
 from qtpy.QtWidgets import QApplication
 
-from bec_widgets.cli.rpc.rpc_register import RPCRegister
 from bec_widgets.utils.error_popups import ErrorPopupUtility, SafeSlot
 from bec_widgets.utils.name_utils import sanitize_namespace
+from bec_widgets.utils.rpc_register import RPCRegister
 from bec_widgets.utils.widget_io import WidgetHierarchy
 from bec_widgets.utils.yaml_dialog import load_yaml, load_yaml_gui, save_yaml, save_yaml_gui
 
@@ -167,7 +167,7 @@ class BECConnector:
             )
             self.config = ConnectionConfig(widget_class=self.__class__.__name__)
 
-        # If the gui_id is passed, it should be respected. However, this should be revisted since
+        # If the gui_id is passed, it should be respected. However, this should be revisited since
         # the gui_id has to be unique, and may no longer be.
         if gui_id:
             self.config.gui_id = gui_id
@@ -399,7 +399,7 @@ class BECConnector:
         """
         self.config = config
 
-    # FIXME some thoughts are required to decide how thhis should work with rpc registry
+    # FIXME some thoughts are required to decide how this should work with rpc registry
     def apply_config(self, config: dict, generate_new_id: bool = True) -> None:
         """
         Apply the configuration to the widget.
@@ -417,7 +417,7 @@ class BECConnector:
         else:
             self.gui_id = self.config.gui_id
 
-    # FIXME some thoughts are required to decide how thhis should work with rpc registry
+    # FIXME some thoughts are required to decide how this should work with rpc registry
     def load_config(self, path: str | None = None, gui: bool = False):
         """
         Load the configuration of the widget from YAML.

bec_widgets/utils/bec_dispatcher.py

@@ -123,17 +123,16 @@ class BECDispatcher:
         self._registered_slots: DefaultDict[Hashable, QtThreadSafeCallback] = (
             collections.defaultdict()
         )
-        self.client = client
 
-        if self.client is None:
-            if config is not None:
-                if not isinstance(config, ServiceConfig):
-                    # config is supposed to be a path
-                    config = ServiceConfig(config)
+        if client is None:
+            if config is not None and not isinstance(config, ServiceConfig):
+                # config is supposed to be a path
+                config = ServiceConfig(config)
             self.client = BECClient(
                 config=config, connector_cls=QtRedisConnector, name="BECWidgets"
             )
         else:
+            self.client = client
             if self.client.started:
                 # have to reinitialize client to use proper connector
                 logger.info("Shutting down BECClient to switch to QtRedisConnector")
@@ -176,12 +175,15 @@ class BECDispatcher:
             cb_info (dict | None): A dictionary containing information about the callback. Defaults to None.
         """
         qt_slot = QtThreadSafeCallback(cb=slot, cb_info=cb_info)
-        if qt_slot not in self._registered_slots:
-            self._registered_slots[qt_slot] = qt_slot
-        qt_slot = self._registered_slots[qt_slot]
-        self.client.connector.register(topics, cb=qt_slot, **kwargs)
-        topics_str, _ = self.client.connector._convert_endpointinfo(topics)
-        qt_slot.topics.update(set(topics_str))
+        if not self.client.connector.any_stream_is_registered(topics, qt_slot):
+            if qt_slot not in self._registered_slots:
+                self._registered_slots[qt_slot] = qt_slot
+            qt_slot = self._registered_slots[qt_slot]
+            self.client.connector.register(topics, cb=qt_slot, **kwargs)
+            topics_str, _ = self.client.connector._convert_endpointinfo(topics)
+            qt_slot.topics.update(set(topics_str))
+        else:
+            logger.warning(f"Attempted to create duplicate stream subscription for {topics=}")
 
     def disconnect_slot(
         self, slot: Callable, topics: EndpointInfo | str | list[EndpointInfo] | list[str]

bec_widgets/utils/bec_widget.py

@@ -10,11 +10,11 @@ from qtpy.QtGui import QFont, QPixmap
 from qtpy.QtWidgets import QApplication, QFileDialog, QLabel, QVBoxLayout, QWidget
 
 import bec_widgets.widgets.containers.qt_ads as QtAds
-from bec_widgets.cli.rpc.rpc_register import RPCRegister
 from bec_widgets.utils.bec_connector import BECConnector, ConnectionConfig
 from bec_widgets.utils.busy_loader import install_busy_loader
 from bec_widgets.utils.error_popups import SafeConnect, SafeSlot
 from bec_widgets.utils.rpc_decorator import rpc_timeout
+from bec_widgets.utils.rpc_register import RPCRegister
 from bec_widgets.utils.widget_io import WidgetHierarchy
 from bec_widgets.widgets.utility.spinner.spinner import SpinnerWidget
 

bec_widgets/utils/container_utils.py

@@ -43,7 +43,7 @@ class WidgetContainerUtils:
         if list_of_names is None:
             list_of_names = []
         ii = 0
-        while ii < 1000:  # 1000 is arbritrary!
+        while ii < 1000:  # 1000 is arbitrary!
             name_candidate = f"{name}_{ii}"
             if name_candidate not in list_of_names:
                 return name_candidate

bec_widgets/utils/forms_from_types/items.py

@@ -71,7 +71,7 @@ class FormItemSpec(BaseModel):
     """
     The specification for an item in a dynamically generated form. Uses a pydantic FieldInfo
     to store most annotation info, since one of the main purposes is to store data for
-    forms genrated from pydantic models, but can also be composed from other sources or by hand.
+    forms generated from pydantic models, but can also be composed from other sources or by hand.
     """
 
     model_config = ConfigDict(arbitrary_types_allowed=True)
@@ -192,7 +192,7 @@ class DynamicFormItem(QWidget):
     @abstractmethod
     def _add_main_widget(self) -> None:
         self._main_widget: QWidget
-        """Add the main data entry widget to self._main_widget and appply any
+        """Add the main data entry widget to self._main_widget and apply any
         constraints from the field info"""
 
     @SafeSlot()

bec_widgets/utils/fuzzy_search.py

@@ -0,0 +1,35 @@
+"""Module providing fuzzy search utilities for the BEC widgets."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from thefuzz import fuzz
+
+FUZZY_SEARCH_THRESHOLD = 80
+
+
+def is_match(
+    text: str, row_data: dict[str, Any], relevant_keys: list[str], enable_fuzzy: bool
+) -> bool:
+    """
+    Check if the text matches any of the relevant keys in the row data.
+
+    Args:
+        text (str): The text to search for.
+        row_data (dict[str, Any]): The row data to search in.
+        relevant_keys (list[str]): The keys to consider for searching.
+        enable_fuzzy (bool): Whether to use fuzzy matching.
+    Returns:
+        bool: True if a match is found, False otherwise.
+    """
+    for key in relevant_keys:
+        data = str(row_data.get(key, "") or "")
+        if enable_fuzzy:
+            match_ratio = fuzz.partial_ratio(text.lower(), data.lower())
+            if match_ratio >= FUZZY_SEARCH_THRESHOLD:
+                return True
+        else:
+            if text.lower() in data.lower():
+                return True
+    return False

bec_widgets/utils/generate_cli.py

@@ -94,7 +94,7 @@ logger = bec_logger.logger
         if self._base:
             self.content += """
 class _WidgetsEnumType(str, enum.Enum):
-    \"\"\" Enum for the available widgets, to be generated programatically  \"\"\"
+    \"\"\" Enum for the available widgets, to be generated programmatically  \"\"\"
     ...
     """
 

bec_widgets/utils/ophyd_kind_util.py

@@ -15,7 +15,7 @@ class Kind(IFBase):
     """
     This is used in the .kind attribute of all OphydObj (Signals, Devices).
 
-    A Device examines its components' .kind atttribute to decide whether to
+    A Device examines its components' .kind attribute to decide whether to
     traverse it in read(), read_configuration(), or neither. Additionally, if
     decides whether to include its name in `hints['fields']`.
     """

bec_widgets/utils/plugin_templates/plugin.template

@@ -22,7 +22,7 @@ class {plugin_name_pascal}Plugin(QDesignerCustomWidgetInterface):  # pragma: no
 
     def createWidget(self, parent):
         if parent is None:
-           return QWidget()
+            return QWidget()
         t = {plugin_name_pascal}(parent)
         return t
 

bec_widgets/utils/plugin_utils.py

@@ -9,7 +9,7 @@ from typing import TYPE_CHECKING, Iterable
 from bec_lib.plugin_helper import _get_available_plugins
 from qtpy.QtWidgets import QWidget
 
-from bec_widgets.utils import BECConnector
+from bec_widgets.utils.bec_connector import BECConnector
 from bec_widgets.utils.bec_widget import BECWidget
 
 if TYPE_CHECKING:  # pragma: no cover

bec_widgets/utils/rpc_server.py

@@ -14,11 +14,11 @@ from qtpy.QtCore import Qt, QTimer
 from qtpy.QtWidgets import QWidget
 from redis.exceptions import RedisError
 
-from bec_widgets.cli.rpc.rpc_register import RPCRegister
-from bec_widgets.utils import BECDispatcher
 from bec_widgets.utils.bec_connector import BECConnector
+from bec_widgets.utils.bec_dispatcher import BECDispatcher
 from bec_widgets.utils.container_utils import WidgetContainerUtils
 from bec_widgets.utils.error_popups import ErrorPopupUtility
+from bec_widgets.utils.rpc_register import RPCRegister
 from bec_widgets.utils.screen_utils import apply_window_geometry
 from bec_widgets.widgets.containers.dock_area.dock_area import BECDockArea
 from bec_widgets.widgets.containers.main_window.main_window import BECMainWindow, BECMainWindowNoRPC
@@ -156,7 +156,7 @@ class RPCServer:
             if method == "raise" and hasattr(
                 obj, "setWindowState"
             ):  # special case for raising windows, should work even if minimized
-                # this is a special case for raising windows for gnome on rethat 9 systems where changing focus is supressed by default
+                # this is a special case for raising windows for gnome on Red Hat (RHEL) 9 systems where changing focus is suppressed by default
                 # The procedure is as follows:
                 # 1. Get the current window state to check if the window is minimized and remove minimized flag
                 # 2. Then in order to force gnome to raise the window, we set the window to stay on top temporarily
@@ -442,5 +442,5 @@ class RPCServer:
         self.status = messages.BECStatus.IDLE
         self._heartbeat_timer.stop()
         self.emit_heartbeat()
-        logger.info("Succeded in shutting down CLI server")
+        logger.info("Succeeded in shutting down CLI server")
         self.client.shutdown()

bec_widgets/utils/toolbars/actions.py

@@ -35,16 +35,19 @@ logger = bec_logger.logger
 MODULE_PATH = os.path.dirname(bec_widgets.__file__)
 
 
-def create_action_with_text(toolbar_action, toolbar: QToolBar):
+def create_action_with_text(toolbar_action, toolbar: QToolBar, min_size: QSize | None = None):
     """
     Helper function to create a toolbar button with text beside or under the icon.
 
     Args:
         toolbar_action(ToolBarAction): The toolbar action to create the button for.
         toolbar(ModularToolBar): The toolbar to add the button to.
+        min_size(QSize, optional): The minimum size for the button. Defaults to None.
     """
 
     btn = QToolButton(parent=toolbar)
+    if min_size is not None:
+        btn.setMinimumSize(min_size)
     if getattr(toolbar_action, "label_text", None):
         toolbar_action.action.setText(toolbar_action.label_text)
     if getattr(toolbar_action, "tooltip", None):

bec_widgets/utils/widget_io.py

@@ -26,7 +26,7 @@ from qtpy.QtWidgets import (
 from bec_widgets.widgets.utility.toggle.toggle import ToggleSwitch
 
 if TYPE_CHECKING:  # pragma: no cover
-    from bec_widgets.utils import BECConnector
+    from bec_widgets.utils.bec_connector import BECConnector
 
 logger = bec_logger.logger
 
@@ -418,7 +418,7 @@ class WidgetHierarchy:
             only_bec_widgets(bool, optional): Whether to print only widgets that are instances of BECWidget.
             show_parent(bool, optional): Whether to display which BECWidget is the parent of each discovered BECWidget.
         """
-        from bec_widgets.utils import BECConnector
+        from bec_widgets.utils.bec_connector import BECConnector
         from bec_widgets.widgets.plots.waveform.waveform import Waveform
 
         for node in WidgetHierarchy.iter_widget_tree(
@@ -468,7 +468,7 @@ class WidgetHierarchy:
 
         from qtpy.QtWidgets import QApplication
 
-        from bec_widgets.utils import BECConnector
+        from bec_widgets.utils.bec_connector import BECConnector
         from bec_widgets.widgets.plots.plot_base import PlotBase
 
         # 1) Gather ALL QWidget-based BECConnector objects
@@ -534,7 +534,7 @@ class WidgetHierarchy:
         Returns:
             The nearest ancestor that is a BECConnector, or None if not found.
         """
-        from bec_widgets.utils import BECConnector
+        from bec_widgets.utils.bec_connector import BECConnector
 
         # Guard against deleted/invalid Qt wrappers
         if not shb.isValid(widget):
@@ -636,7 +636,7 @@ class WidgetHierarchy:
         Return all BECConnector instances whose closest BECConnector ancestor is the given widget,
         including the widget itself if it is a BECConnector.
         """
-        from bec_widgets.utils import BECConnector
+        from bec_widgets.utils.bec_connector import BECConnector
 
         connectors: list[BECConnector] = []
         if isinstance(widget, BECConnector):
@@ -664,7 +664,7 @@ class WidgetHierarchy:
             return None
 
         try:
-            from bec_widgets.utils import BECConnector  # local import to avoid cycles
+            from bec_widgets.utils.bec_connector import BECConnector  # local import to avoid cycles
 
             is_bec_target = False
             if isinstance(ancestor_class, str):

bec_widgets/widgets/containers/dock_area/basic_dock_area.py

@@ -13,9 +13,9 @@ from shiboken6 import isValid
 
 import bec_widgets.widgets.containers.qt_ads as QtAds
 from bec_widgets import BECWidget, SafeSlot
-from bec_widgets.cli.rpc.rpc_widget_handler import widget_handler
 from bec_widgets.utils.bec_connector import BECConnector
 from bec_widgets.utils.property_editor import PropertyEditor
+from bec_widgets.utils.rpc_widget_handler import widget_handler
 from bec_widgets.utils.toolbars.actions import MaterialIconAction
 from bec_widgets.widgets.containers.qt_ads import (
     CDockAreaWidget,

bec_widgets/widgets/containers/dock_area/dock_area.py

@@ -20,10 +20,10 @@ from qtpy.QtWidgets import (
 import bec_widgets.widgets.containers.qt_ads as QtAds
 from bec_widgets import BECWidget, SafeProperty, SafeSlot
 from bec_widgets.applications.views.view import ViewTourSteps
-from bec_widgets.cli.rpc.rpc_widget_handler import widget_handler
-from bec_widgets.utils import BECDispatcher
+from bec_widgets.utils.bec_dispatcher import BECDispatcher
 from bec_widgets.utils.colors import apply_theme
 from bec_widgets.utils.rpc_decorator import rpc_timeout
+from bec_widgets.utils.rpc_widget_handler import widget_handler
 from bec_widgets.utils.toolbars.actions import (
     ExpandableMenuAction,
     MaterialIconAction,
@@ -69,7 +69,7 @@ from bec_widgets.widgets.containers.main_window.main_window import BECMainWindow
 from bec_widgets.widgets.containers.qt_ads import CDockWidget
 from bec_widgets.widgets.control.device_control.positioner_box import PositionerBox, PositionerBox2D
 from bec_widgets.widgets.control.scan_control import ScanControl
-from bec_widgets.widgets.editors.web_console.web_console import BECShell, WebConsole
+from bec_widgets.widgets.editors.bec_console.bec_console import BecConsole, BECShell
 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
@@ -372,7 +372,7 @@ class BECDockArea(DockAreaWidget):
                 "Add Circular ProgressBar",
                 "RingProgressBar",
             ),
-            "terminal": (WebConsole.ICON_NAME, "Add Terminal", "WebConsole"),
+            "terminal": (BecConsole.ICON_NAME, "Add Terminal", "BecConsole"),
             "bec_shell": (BECShell.ICON_NAME, "Add BEC Shell", "BECShell"),
             "log_panel": (LogPanel.ICON_NAME, "Add LogPanel - Disabled", "LogPanel"),
             "sbb_monitor": ("train", "Add SBB Monitor", "SBBMonitor"),

bec_widgets/widgets/containers/dock_area/profile_utils.py

@@ -115,12 +115,12 @@ def _settings_profiles_root() -> str:
         str: Absolute path to the profiles root. The directory is created if missing.
     """
     client = BECClient()
-    bec_widgets_settings = client._service_config.config.get("bec_widgets_settings")
+    bec_widgets_settings = client._service_config.config.get("widgets_settings")
     bec_widgets_setting_path = (
         bec_widgets_settings.get("base_path") if bec_widgets_settings else None
     )
     default_path = os.path.join(bec_widgets_setting_path, "profiles")
-    root = os.environ.get("BECWIDGETS_PROFILE_DIR", default_path)
+    root = os.path.expanduser(os.environ.get("BECWIDGETS_PROFILE_DIR", default_path))
     os.makedirs(root, exist_ok=True)
     return root
 
@@ -138,7 +138,7 @@ def _profiles_dir(segment: str, namespace: str | None) -> str:
     """
     base = os.path.join(_settings_profiles_root(), segment)
     ns = slugify.slugify(namespace, separator="_") if namespace else None
-    path = os.path.join(base, ns) if ns else base
+    path = os.path.expanduser(os.path.join(base, ns) if ns else base)
     os.makedirs(path, exist_ok=True)
     return path
 

bec_widgets/widgets/containers/explorer/script_tree_widget.py

@@ -63,7 +63,7 @@ class ScriptTreeWidget(QWidget):
         layout.setSpacing(0)
 
         # Create tree view
-        self.tree = QTreeView()
+        self.tree = QTreeView(parent=self)
         self.tree.setHeaderHidden(True)
         self.tree.setRootIsDecorated(True)
 
@@ -71,12 +71,12 @@ class ScriptTreeWidget(QWidget):
         self.tree.setMouseTracking(True)
 
         # Create file system model
-        self.model = QFileSystemModel()
+        self.model = QFileSystemModel(parent=self)
         self.model.setNameFilters(["*.py"])
         self.model.setNameFilterDisables(False)
 
         # Create proxy model to filter out underscore directories
-        self.proxy_model = QSortFilterProxyModel()
+        self.proxy_model = QSortFilterProxyModel(parent=self)
         self.proxy_model.setFilterRegularExpression(QRegularExpression("^[^_].*"))
         self.proxy_model.setSourceModel(self.model)
         self.tree.setModel(self.proxy_model)

bec_widgets/widgets/containers/layout_manager/layout_manager.py

@@ -22,7 +22,7 @@ from qtpy.QtWidgets import (
 )
 from typeguard import typechecked
 
-from bec_widgets.cli.rpc.rpc_widget_handler import widget_handler
+from bec_widgets.utils.rpc_widget_handler import widget_handler
 
 
 class LayoutManagerWidget(QWidget):

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

@@ -1,27 +1,83 @@
 import sys
 
+from qtpy import QtGui, QtWidgets
 from qtpy.QtCore import QPoint, Qt
-from qtpy.QtWidgets import QApplication, QHBoxLayout, QLabel, QProgressBar, QVBoxLayout, QWidget
+from qtpy.QtWidgets import (
+    QApplication,
+    QFrame,
+    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)
+        super().__init__(
+            None,
+            Qt.WindowType.ToolTip
+            | Qt.WindowType.FramelessWindowHint
+            | Qt.WindowType.WindowStaysOnTopHint,
+        )
+        self.setAttribute(Qt.WidgetAttribute.WA_ShowWithoutActivating)
+        self.setAttribute(Qt.WidgetAttribute.WA_TranslucentBackground)
         self.setMouseTracking(True)
         self.content = content
 
         layout = QVBoxLayout(self)
-        layout.setContentsMargins(6, 6, 6, 6)
-        layout.addWidget(self.content)
+        layout.setContentsMargins(14, 14, 14, 14)
+
+        self._card = QFrame(self)
+        self._card.setObjectName("WidgetTooltipCard")
+        card_layout = QVBoxLayout(self._card)
+        card_layout.setContentsMargins(12, 10, 12, 10)
+        card_layout.addWidget(self.content)
+
+        shadow = QtWidgets.QGraphicsDropShadowEffect(self._card)
+        shadow.setBlurRadius(18)
+        shadow.setOffset(0, 2)
+        shadow.setColor(QtGui.QColor(0, 0, 0, 140))
+        self._card.setGraphicsEffect(shadow)
+
+        layout.addWidget(self._card)
+        self.apply_theme()
         self.adjustSize()
 
     def leaveEvent(self, _event) -> None:
         self.hide()
 
+    def apply_theme(self) -> None:
+        palette = QApplication.palette()
+        base = palette.color(QtGui.QPalette.ColorRole.Base)
+        text = palette.color(QtGui.QPalette.ColorRole.Text)
+        border = palette.color(QtGui.QPalette.ColorRole.Mid)
+        background = QtGui.QColor(base)
+        background.setAlpha(242)
+        self._card.setStyleSheet(f"""
+            QFrame#WidgetTooltipCard {{
+                background: {background.name(QtGui.QColor.NameFormat.HexArgb)};
+                border: 1px solid {border.name()};
+                border-radius: 12px;
+            }}
+            QFrame#WidgetTooltipCard QLabel {{
+                color: {text.name()};
+                background: transparent;
+            }}
+            """)
+
     def show_above(self, global_pos: QPoint, offset: int = 8) -> None:
+        """
+        Show the tooltip above a global position, adjusting to stay within screen bounds.
+
+        Args:
+            global_pos(QPoint): The global position to show above.
+            offset(int, optional): The vertical offset from the global position. Defaults to 8 pixels.
+        """
+        self.apply_theme()
         self.adjustSize()
         screen = QApplication.screenAt(global_pos) or QApplication.primaryScreen()
         screen_geo = screen.availableGeometry()
@@ -30,11 +86,43 @@ class WidgetTooltip(QWidget):
         x = global_pos.x() - geom.width() // 2
         y = global_pos.y() - geom.height() - offset
 
+        self._navigate_screen_coordinates(screen_geo, geom, x, y)
+
+    def show_near(self, global_pos: QPoint, offset: QPoint | None = None) -> None:
+        """
+        Show the tooltip near a global position, adjusting to stay within screen bounds.
+        By default, it will try to show below and to the right of the position,
+        but if that would cause it to go off-screen, it will flip to the other side.
+
+        Args:
+            global_pos(QPoint): The global position to show near.
+            offset(QPoint, optional): The offset from the global position. Defaults to QPoint(12, 16).
+        """
+
+        self.apply_theme()
+        self.adjustSize()
+        offset = offset or QPoint(12, 16)
+        screen = QApplication.screenAt(global_pos) or QApplication.primaryScreen()
+        screen_geo = screen.availableGeometry()
+        geom = self.geometry()
+
+        x = global_pos.x() + offset.x()
+        y = global_pos.y() + offset.y()
+
+        if x + geom.width() > screen_geo.right():
+            x = global_pos.x() - geom.width() - abs(offset.x())
+        if y + geom.height() > screen_geo.bottom():
+            y = global_pos.y() - geom.height() - abs(offset.y())
+
+        self._navigate_screen_coordinates(screen_geo, geom, x, y)
+
+    def _navigate_screen_coordinates(self, screen_geo, geom, x, y):
         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()
+        self.raise_()
 
 
 class HoverWidget(QWidget):

bec_widgets/widgets/containers/main_window/addons/notification_center/notification_banner.py

@@ -28,7 +28,7 @@ from qtpy.QtCore import QObject, QTimer
 from qtpy.QtWidgets import QApplication, QFrame, QMainWindow, QScrollArea, QWidget
 
 from bec_widgets import SafeProperty, SafeSlot
-from bec_widgets.utils import BECConnector
+from bec_widgets.utils.bec_connector import BECConnector
 from bec_widgets.utils.colors import apply_theme
 from bec_widgets.utils.widget_io import WidgetIO
 

bec_widgets/widgets/containers/main_window/main_window.py

@@ -18,10 +18,10 @@ from qtpy.QtWidgets import (
 )
 
 import bec_widgets
-from bec_widgets.utils import UILoader
 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.ui_loader import UILoader
 from bec_widgets.widgets.containers.main_window.addons.hover_widget import HoverWidget
 from bec_widgets.widgets.containers.main_window.addons.notification_center.notification_banner import (
     BECNotificationBroker,

bec_widgets/widgets/control/device_control/positioner_box/_base/__init__.py

@@ -1,3 +0,0 @@
-from .positioner_box_base import PositionerBoxBase
-
-__ALL__ = ["PositionerBoxBase"]

bec_widgets/widgets/control/device_control/positioner_box/positioner_box/positioner_box.py

@@ -11,12 +11,12 @@ from qtpy.QtCore import Qt, Signal
 from qtpy.QtGui import QDoubleValidator
 from qtpy.QtWidgets import QDoubleSpinBox
 
-from bec_widgets.utils import UILoader
 from bec_widgets.utils.colors import apply_theme, get_accent_colors
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
-from bec_widgets.widgets.control.device_control.positioner_box._base import PositionerBoxBase
-from bec_widgets.widgets.control.device_control.positioner_box._base.positioner_box_base import (
+from bec_widgets.utils.ui_loader import UILoader
+from bec_widgets.widgets.control.device_control.positioner_box.positioner_box_base import (
     DeviceUpdateUIComponents,
+    PositionerBoxBase,
 )
 
 logger = bec_logger.logger
@@ -63,10 +63,10 @@ class PositionerBox(PositionerBoxBase):
 
         self.ui = UILoader(self).loader(os.path.join(self.current_path, self.ui_file))
 
-        self.addWidget(self.ui)
-        self.layout.setSpacing(0)
-        self.layout.setContentsMargins(0, 0, 0, 0)
-        self.layout.setAlignment(Qt.AlignmentFlag.AlignVCenter | Qt.AlignmentFlag.AlignHCenter)
+        self.main_layout.addWidget(self.ui)
+        self.main_layout.setSpacing(0)
+        self.main_layout.setContentsMargins(0, 0, 0, 0)
+        self.main_layout.setAlignment(Qt.AlignmentFlag.AlignVCenter | Qt.AlignmentFlag.AlignHCenter)
         ui_min_size = self.ui.minimumSize()
         ui_min_hint = self.ui.minimumSizeHint()
         self.setMinimumSize(
@@ -115,8 +115,6 @@ class PositionerBox(PositionerBoxBase):
             return
         old_device = self._device
         self._device = value
-        if not self.label:
-            self.label = value
         self.device_changed.emit(old_device, value)
 
     @SafeProperty(bool)

bec_widgets/widgets/control/device_control/positioner_box/positioner_box_2d/positioner_box_2d.py

@@ -12,12 +12,12 @@ from qtpy.QtCore import Signal
 from qtpy.QtGui import QDoubleValidator
 from qtpy.QtWidgets import QDoubleSpinBox
 
-from bec_widgets.utils import UILoader
 from bec_widgets.utils.colors import apply_theme
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
-from bec_widgets.widgets.control.device_control.positioner_box._base import PositionerBoxBase
-from bec_widgets.widgets.control.device_control.positioner_box._base.positioner_box_base import (
+from bec_widgets.utils.ui_loader import UILoader
+from bec_widgets.widgets.control.device_control.positioner_box.positioner_box_base import (
     DeviceUpdateUIComponents,
+    PositionerBoxBase,
 )
 
 logger = bec_logger.logger
@@ -96,9 +96,9 @@ class PositionerBox2D(PositionerBoxBase):
 
     def connect_ui(self):
         """Connect the UI components to signals, data, or routines"""
-        self.addWidget(self.ui)
-        self.layout.setSpacing(0)
-        self.layout.setContentsMargins(0, 0, 0, 0)
+        self.main_layout.addWidget(self.ui)
+        self.main_layout.setSpacing(0)
+        self.main_layout.setContentsMargins(0, 0, 0, 0)
 
         def _init_ui(val: QDoubleValidator, device_id: DeviceId):
             ui = self._device_ui_components_hv(device_id)
@@ -200,7 +200,6 @@ class PositionerBox2D(PositionerBoxBase):
             return
         old_device = self._device_hor
         self._device_hor = value
-        self.label = f"{self._device_hor}, {self._device_ver}"
         self.device_changed_hor.emit(old_device, value)
         self._init_device(self.device_hor, self.position_update_hor.emit, self.update_limits_hor)
 
@@ -220,7 +219,6 @@ class PositionerBox2D(PositionerBoxBase):
             return
         old_device = self._device_ver
         self._device_ver = value
-        self.label = f"{self._device_hor}, {self._device_ver}"
         self.device_changed_ver.emit(old_device, value)
         self._init_device(self.device_ver, self.position_update_ver.emit, self.update_limits_ver)
 

bec_widgets/widgets/control/device_control/positioner_box/positioner_box_base.py

@@ -14,10 +14,10 @@ from qtpy.QtWidgets import (
     QLineEdit,
     QPushButton,
     QVBoxLayout,
+    QWidget,
 )
 
 from bec_widgets.utils.bec_widget import BECWidget
-from bec_widgets.utils.compact_popup import CompactPopupWidget
 from bec_widgets.widgets.control.device_control.position_indicator.position_indicator import (
     PositionIndicator,
 )
@@ -43,7 +43,7 @@ class DeviceUpdateUIComponents(TypedDict):
     units: QLabel
 
 
-class PositionerBoxBase(BECWidget, CompactPopupWidget):
+class PositionerBoxBase(BECWidget, QWidget):
     """Contains some core logic for positioner box widgets"""
 
     current_path = ""
@@ -57,7 +57,10 @@ class PositionerBoxBase(BECWidget, CompactPopupWidget):
             parent: The parent widget.
             device (Positioner): The device to control.
         """
-        super().__init__(parent=parent, layout=QVBoxLayout, **kwargs)
+        super().__init__(parent=parent, **kwargs)
+        self.main_layout = QVBoxLayout(self)
+        self.main_layout.setContentsMargins(0, 0, 0, 0)
+        self.main_layout.setSpacing(0)
         self._dialog = None
         self.get_bec_shortcuts()
 
@@ -173,11 +176,9 @@ class PositionerBoxBase(BECWidget, CompactPopupWidget):
             if is_moving:
                 spinner.start()
                 spinner.setToolTip("Device is moving")
-                self.set_global_state("warning")
             else:
                 spinner.stop()
                 spinner.setToolTip("Device is idle")
-                self.set_global_state("success")
         else:
             spinner.setVisible(False)
 
@@ -196,9 +197,8 @@ class PositionerBoxBase(BECWidget, CompactPopupWidget):
             pos = (readback_val - limits[0]) / (limits[1] - limits[0])
             position_indicator.set_value(pos)
 
-    def _update_limits_ui(
-        self, limits: tuple[float, float], position_indicator, setpoint_validator
-    ):
+    @staticmethod
+    def _update_limits_ui(limits: tuple[float, float], position_indicator, setpoint_validator):
         if limits is not None and limits[0] != limits[1]:
             position_indicator.setToolTip(f"Min: {limits[0]}, Max: {limits[1]}")
             setpoint_validator.setRange(limits[0], limits[1])
@@ -223,8 +223,9 @@ class PositionerBoxBase(BECWidget, CompactPopupWidget):
         self.bec_dispatcher.disconnect_slot(slot, MessageEndpoints.device_readback(old_device))
         self.bec_dispatcher.connect_slot(slot, MessageEndpoints.device_readback(new_device))
 
-    def _toggle_enable_buttons(self, ui: DeviceUpdateUIComponents, enable: bool) -> None:
-        """Toogle enable/disable on available buttons
+    @staticmethod
+    def _toggle_enable_buttons(ui: DeviceUpdateUIComponents, enable: bool) -> None:
+        """Toggle enable/disable on available buttons
 
         Args:
             enable (bool): Enable buttons

bec_widgets/widgets/control/device_control/positioner_box/positioner_control_line/positioner_control_line.py

@@ -1,6 +1,8 @@
 import os
 
 from bec_lib.device import Positioner
+from qtpy.QtCore import Qt
+from qtpy.QtWidgets import QSizePolicy
 
 from bec_widgets.widgets.control.device_control.positioner_box import PositionerBox
 
@@ -22,7 +24,82 @@ class PositionerControlLine(PositionerBox):
             device (Positioner): The device to control.
         """
         self.current_path = os.path.dirname(__file__)
+        self._indicator_switch_width = 0
+        self._horizontal_indicator_width = 0
+        self._vertical_indicator_width = 15
+        self._indicator_thickness = 10
+        self._indicator_is_horizontal = False
+        self._line_height = self.dimensions[0]
         super().__init__(parent=parent, device=device, *args, **kwargs)
+        self._configure_line_layout()
+        self._update_indicator_orientation()
+
+    def _configure_line_layout(self):
+        device_box = self.ui.device_box
+        indicator = self.ui.position_indicator
+
+        self.main_layout.setAlignment(Qt.AlignmentFlag(0))
+        self.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
+        self.ui.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
+        device_box.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
+
+        self._line_height = max(
+            self.dimensions[0],
+            self.ui.minimumSizeHint().height(),
+            self.ui.sizeHint().height(),
+            device_box.minimumSizeHint().height(),
+            device_box.sizeHint().height(),
+        )
+        device_box.setFixedHeight(self._line_height)
+        device_box.setMinimumWidth(self.dimensions[1])
+        device_box.setMaximumWidth(16777215)
+        self.setFixedHeight(self._line_height)
+        self.setMinimumWidth(self.dimensions[1])
+
+        self.ui.verticalLayout.setContentsMargins(0, 0, 0, 0)
+        self.ui.verticalLayout.setSpacing(0)
+        self.ui.readback.setMaximumWidth(16777215)
+        self.ui.setpoint.setMaximumWidth(16777215)
+        self.ui.step_size.setMaximumWidth(16777215)
+
+        indicator_hint = indicator.minimumSizeHint()
+        step_hint = self.ui.step_size.sizeHint()
+        self._indicator_thickness = max(indicator_hint.height(), 10)
+        self._vertical_indicator_width = max(indicator.minimumWidth(), 15)
+        self._horizontal_indicator_width = max(90, step_hint.width())
+        base_width = max(device_box.minimumSizeHint().width(), self.dimensions[1])
+        self._indicator_switch_width = (
+            base_width - self._vertical_indicator_width + self._horizontal_indicator_width
+        )
+
+    def resizeEvent(self, event):
+        super().resizeEvent(event)
+        self._update_indicator_orientation()
+
+    def _update_indicator_orientation(self):
+        if not hasattr(self, "ui"):
+            return
+
+        indicator = self.ui.position_indicator
+        available_width = self.ui.device_box.width() or self.width() or self.dimensions[1]
+        should_use_horizontal = available_width >= self._indicator_switch_width
+        if should_use_horizontal == self._indicator_is_horizontal:
+            return
+
+        self._indicator_is_horizontal = should_use_horizontal
+        indicator.vertical = not should_use_horizontal
+
+        if should_use_horizontal:
+            indicator.setMinimumSize(self._horizontal_indicator_width, self._indicator_thickness)
+            indicator.setMaximumHeight(self._indicator_thickness)
+            indicator.setMaximumWidth(16777215)
+            indicator.setSizePolicy(QSizePolicy.Policy.MinimumExpanding, QSizePolicy.Policy.Fixed)
+        else:
+            indicator.setMinimumSize(self._vertical_indicator_width, self._indicator_thickness)
+            indicator.setMaximumSize(self._vertical_indicator_width, 16777215)
+            indicator.setSizePolicy(QSizePolicy.Policy.Fixed, QSizePolicy.Policy.Preferred)
+
+        indicator.updateGeometry()
 
 
 if __name__ == "__main__":  # pragma: no cover

bec_widgets/widgets/control/device_control/positioner_box/positioner_control_line/positioner_control_line.ui

@@ -2,12 +2,18 @@
 <ui version="4.0">
  <class>Form</class>
  <widget class="QWidget" name="Form">
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>612</width>
-    <height>91</height>
+    <width>592</width>
+    <height>76</height>
    </rect>
   </property>
   <property name="minimumSize">
@@ -26,8 +32,29 @@
    <string>Form</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="spacing">
+    <number>0</number>
+   </property>
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
    <item>
     <widget class="QGroupBox" name="device_box">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
      <property name="title">
       <string>Device Name</string>
      </property>
@@ -227,12 +254,12 @@
  <customwidgets>
   <customwidget>
    <class>PositionIndicator</class>
-   <extends>QWidget</extends>
+   <extends></extends>
    <header>position_indicator</header>
   </customwidget>
   <customwidget>
    <class>SpinnerWidget</class>
-   <extends>QWidget</extends>
+   <extends></extends>
    <header>spinner_widget</header>
   </customwidget>
  </customwidgets>

bec_widgets/widgets/control/device_control/positioner_group/positioner_group.py

@@ -27,30 +27,13 @@ class PositionerGroupBox(QGroupBox):
         self.layout().setContentsMargins(0, 0, 0, 0)
         self.layout().setSpacing(0)
         self.widget = PositionerBox(self, dev_name)
-        self.widget.compact_view = True
-        self.widget.expand_popup = False
         self.layout().addWidget(self.widget)
         self.widget.position_update.connect(self._on_position_update)
-        self.widget.expand.connect(self._on_expand)
         self.setTitle(self.device_name)
         self.widget.force_update_readback()
 
-    def _on_expand(self, expand):
-        if expand:
-            self.setTitle("")
-            self.setFlat(True)
-        else:
-            self.setTitle(self.device_name)
-            self.setFlat(False)
-
     def _on_position_update(self, pos: float):
         self.position_update.emit(pos)
-        precision = getattr(self.widget.dev[self.widget.device], "precision", 8)
-        try:
-            precision = int(precision)
-        except (TypeError, ValueError):
-            precision = int(8)
-        self.widget.label = f"{pos:.{precision}f}"
 
     def close(self):
         self.widget.close()

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

@@ -7,7 +7,7 @@ from bec_lib.device import Signal as BECSignal
 from bec_lib.logger import bec_logger
 from pydantic import field_validator
 
-from bec_widgets.utils import ConnectionConfig
+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.utils.filter_io import FilterIO

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

@@ -3,7 +3,7 @@ from bec_lib.device import Signal
 from bec_lib.logger import bec_logger
 from qtpy.QtCore import Property
 
-from bec_widgets.utils import ConnectionConfig
+from bec_widgets.utils.bec_connector import ConnectionConfig
 from bec_widgets.utils.bec_widget import BECWidget
 from bec_widgets.utils.error_popups import SafeSlot
 from bec_widgets.utils.filter_io import FilterIO

bec_widgets/widgets/control/device_manager/components/available_device_resources/available_device_group_ui.py

@@ -13,7 +13,7 @@ if TYPE_CHECKING:
     from .available_device_group import AvailableDeviceGroup
 
 
-class _DeviceListWiget(QListWidget):
+class _DeviceListWidget(QListWidget):
 
     def _item_iter(self):
         return (self.item(i) for i in range(self.count()))
@@ -44,7 +44,7 @@ class Ui_AvailableDeviceGroup(object):
         self.n_included.setObjectName("n_included")
         title_layout.addWidget(self.n_included)
 
-        self.device_list = _DeviceListWiget(AvailableDeviceGroup)
+        self.device_list = _DeviceListWidget(AvailableDeviceGroup)
         self.device_list.setSelectionMode(QListWidget.SelectionMode.ExtendedSelection)
         self.device_list.setObjectName("device_list")
         self.device_list.setFrameStyle(0)

bec_widgets/widgets/control/device_manager/components/available_device_resources/device_resource_backend.py

@@ -34,13 +34,13 @@ class HashModel(str, Enum):
 class DeviceResourceBackend(Protocol):
     @property
     def tag_groups(self) -> dict[str, set[HashableDevice]]:
-        """A dictionary of all availble devices separated by tag groups. The same device may
+        """A dictionary of all available devices separated by tag groups. The same device may
         appear more than once (in different groups)."""
         ...
 
     @property
     def all_devices(self) -> set[HashableDevice]:
-        """A set of all availble devices. The same device may not appear more than once."""
+        """A set of all available devices. The same device may not appear more than once."""
         ...
 
     @property

bec_widgets/widgets/control/device_manager/components/device_table/device_table.py

@@ -5,9 +5,8 @@ in DeviceTableRow entries.
 
 from __future__ import annotations
 
-import traceback
 from copy import deepcopy
-from typing import TYPE_CHECKING, Any, Callable, Iterable, Literal, Tuple
+from typing import TYPE_CHECKING, Any, Callable, Iterable, Tuple
 
 from bec_lib.atlas_models import Device as DeviceModel
 from bec_lib.callback_handler import EventType
@@ -19,6 +18,7 @@ from thefuzz import fuzz
 from bec_widgets.utils.bec_widget import BECWidget
 from bec_widgets.utils.colors import get_accent_colors
 from bec_widgets.utils.error_popups import SafeSlot
+from bec_widgets.utils.fuzzy_search import is_match
 from bec_widgets.widgets.control.device_manager.components.device_table.device_table_row import (
     DeviceTableRow,
 )
@@ -37,34 +37,6 @@ _DeviceCfgIter = Iterable[dict[str, Any]]
 # DeviceValidationResult: device_config, config_status, connection_status, error_message
 _ValidationResultIter = Iterable[Tuple[dict[str, Any], ConfigStatus, ConnectionStatus, str]]
 
-FUZZY_SEARCH_THRESHOLD = 80
-
-
-def is_match(
-    text: str, row_data: dict[str, Any], relevant_keys: list[str], enable_fuzzy: bool
-) -> bool:
-    """
-    Check if the text matches any of the relevant keys in the row data.
-
-    Args:
-        text (str): The text to search for.
-        row_data (dict[str, Any]): The row data to search in.
-        relevant_keys (list[str]): The keys to consider for searching.
-        enable_fuzzy (bool): Whether to use fuzzy matching.
-    Returns:
-        bool: True if a match is found, False otherwise.
-    """
-    for key in relevant_keys:
-        data = str(row_data.get(key, "") or "")
-        if enable_fuzzy:
-            match_ratio = fuzz.partial_ratio(text.lower(), data.lower())
-            if match_ratio >= FUZZY_SEARCH_THRESHOLD:
-                return True
-        else:
-            if text.lower() in data.lower():
-                return True
-    return False
-
 
 class TableSortOnHold:
     """Context manager for putting table sorting on hold. Works with nested calls."""

bec_widgets/widgets/control/scan_control/scan_control.py

@@ -19,7 +19,7 @@ from qtpy.QtWidgets import (
     QWidget,
 )
 
-from bec_widgets.utils import ConnectionConfig
+from bec_widgets.utils.bec_connector import ConnectionConfig
 from bec_widgets.utils.bec_widget import BECWidget
 from bec_widgets.utils.colors import apply_theme, get_accent_colors
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot

bec_widgets/widgets/control/scan_control/scan_group_box.py

@@ -347,14 +347,14 @@ class ScanGroupBox(QGroupBox):
 
     def get_parameters(self, device_object: bool = True):
         """
-        Returns the parameters from the widgets in the scan control layout formated to run scan from BEC.
+        Returns the parameters from the widgets in the scan control layout formatted to run scan from BEC.
         """
         if self.box_type == "args":
-            return self._get_arg_parameterts(device_object=device_object)
+            return self._get_arg_parameters(device_object=device_object)
         elif self.box_type == "kwargs":
             return self._get_kwarg_parameters(device_object=device_object)
 
-    def _get_arg_parameterts(self, device_object: bool = True):
+    def _get_arg_parameters(self, device_object: bool = True):
         args = []
         for i in range(1, self.layout.rowCount()):
             for j in range(self.layout.columnCount()):

bec_widgets/widgets/dap/dap_combo_box/dap_combo_box.py

@@ -2,22 +2,19 @@
 
 from bec_lib.logger import bec_logger
 from qtpy.QtCore import Property, Signal, Slot
-from qtpy.QtWidgets import QComboBox, QVBoxLayout, QWidget
+from qtpy.QtWidgets import QComboBox
 
 from bec_widgets.utils.bec_widget import BECWidget
 
 logger = bec_logger.logger
 
 
-class DapComboBox(BECWidget, QWidget):
+class DapComboBox(BECWidget, QComboBox):
     """
-    The DAPComboBox widget is an extension to the QComboBox with all avaialble DAP model from BEC.
+    Editable combobox listing the available DAP models.
 
-    Args:
-        parent: Parent widget.
-        client: BEC client object.
-        gui_id: GUI ID.
-        default: Default device name.
+    The widget behaves as a plain QComboBox and keeps ``fit_model_combobox`` as an alias to itself
+    for backwards compatibility with older call sites.
     """
 
     ICON_NAME = "data_exploration"
@@ -45,19 +42,20 @@ class DapComboBox(BECWidget, QWidget):
         **kwargs,
     ):
         super().__init__(parent=parent, client=client, gui_id=gui_id, **kwargs)
-        self.layout = QVBoxLayout(self)
-        self.fit_model_combobox = QComboBox(self)
-        self.layout.addWidget(self.fit_model_combobox)
-        self.layout.setContentsMargins(0, 0, 0, 0)
-        self._available_models = None
+        self.fit_model_combobox = self  # Just for backwards compatibility with older call sites, the widget itself is the combobox
+        self._available_models: list[str] = []
         self._x_axis = None
         self._y_axis = None
-        self.populate_fit_model_combobox()
-        self.fit_model_combobox.currentTextChanged.connect(self._update_current_fit)
-        # Set default fit model
-        self.select_default_fit(default_fit)
+        self._is_valid_input = False
 
-    def select_default_fit(self, default_fit: str | None):
+        self.setEditable(True)
+
+        self.populate_fit_model_combobox()
+        self.currentTextChanged.connect(self._on_text_changed)
+        self.select_default_fit(default_fit)
+        self.check_validity(self.currentText())
+
+    def select_default_fit(self, default_fit: str | None = "GaussianModel"):
         """Set the default fit model.
 
         Args:
@@ -65,8 +63,8 @@ class DapComboBox(BECWidget, QWidget):
         """
         if self._validate_dap_model(default_fit):
             self.select_fit_model(default_fit)
-        else:
-            self.select_fit_model("GaussianModel")
+        elif self.available_models:
+            self.select_fit_model(self.available_models[0])
 
     @property
     def available_models(self):
@@ -114,12 +112,40 @@ class DapComboBox(BECWidget, QWidget):
         self._y_axis = y_axis
         self.y_axis_updated.emit(y_axis)
 
-    def _update_current_fit(self, fit_name: str):
-        """Update the current fit."""
+    @Slot(str)
+    def _on_text_changed(self, fit_name: str):
+        """
+        Validate and emit updates for the current text.
+
+        Args:
+            fit_name(str): The current text in the combobox, representing the selected fit model.
+        """
+        self.check_validity(fit_name)
+        if not self._is_valid_input:
+            return
+
         self.fit_model_updated.emit(fit_name)
         if self.x_axis is not None and self.y_axis is not None:
             self.new_dap_config.emit(self._x_axis, self._y_axis, fit_name)
 
+    @Slot(str)
+    def check_validity(self, fit_name: str):
+        """
+        Highlight invalid manual entries similarly to DeviceComboBox.
+
+        Args:
+            fit_name(str): The current text in the combobox, representing the selected fit model.
+        """
+        if self._validate_dap_model(fit_name):
+            self._is_valid_input = True
+            self.setStyleSheet("border: 1px solid transparent;")
+        else:
+            self._is_valid_input = False
+            if self.isEnabled():
+                self.setStyleSheet("border: 1px solid red;")
+            else:
+                self.setStyleSheet("border: 1px solid transparent;")
+
     @Slot(str)
     def select_x_axis(self, x_axis: str):
         """Slot to update the x axis.
@@ -128,7 +154,7 @@ class DapComboBox(BECWidget, QWidget):
             x_axis(str): X axis.
         """
         self.x_axis = x_axis
-        self._update_current_fit(self.fit_model_combobox.currentText())
+        self._on_text_changed(self.currentText())
 
     @Slot(str)
     def select_y_axis(self, y_axis: str):
@@ -138,25 +164,26 @@ class DapComboBox(BECWidget, QWidget):
             y_axis(str): Y axis.
         """
         self.y_axis = y_axis
-        self._update_current_fit(self.fit_model_combobox.currentText())
+        self._on_text_changed(self.currentText())
 
     @Slot(str)
     def select_fit_model(self, fit_name: str | None):
         """Slot to update the fit model.
 
         Args:
-            default_device(str): Default device name.
+            fit_name(str): Fit model name.
         """
         if not self._validate_dap_model(fit_name):
             raise ValueError(f"Fit {fit_name} is not valid.")
-        self.fit_model_combobox.setCurrentText(fit_name)
+        self.setCurrentText(fit_name)
 
     def populate_fit_model_combobox(self):
         """Populate the fit_model_combobox with the devices."""
         # pylint: disable=protected-access
-        self.available_models = [model for model in self.client.dap._available_dap_plugins.keys()]
-        self.fit_model_combobox.clear()
-        self.fit_model_combobox.addItems(self.available_models)
+        available_plugins = getattr(getattr(self.client, "dap", None), "_available_dap_plugins", {})
+        self.available_models = [model for model in available_plugins.keys()]
+        self.clear()
+        self.addItems(self.available_models)
 
     def _validate_dap_model(self, model: str | None) -> bool:
         """Validate the DAP model.
@@ -166,23 +193,23 @@ class DapComboBox(BECWidget, QWidget):
         """
         if model is None:
             return False
-        if model not in self.available_models:
-            return False
-        return True
+        return model in self.available_models
+
+    @property
+    def is_valid_input(self) -> bool:
+        """Whether the current text matches an available DAP model."""
+        return self._is_valid_input
 
 
 if __name__ == "__main__":  # pragma: no cover
-    # pylint: disable=import-outside-toplevel
+    import sys
+
     from qtpy.QtWidgets import QApplication
 
     from bec_widgets.utils.colors import apply_theme
 
-    app = QApplication([])
+    app = QApplication(sys.argv)
     apply_theme("dark")
-    widget = QWidget()
-    widget.setFixedSize(200, 200)
-    layout = QVBoxLayout()
-    widget.setLayout(layout)
-    layout.addWidget(DapComboBox())
-    widget.show()
-    app.exec_()
+    dialog = DapComboBox()
+    dialog.show()
+    sys.exit(app.exec_())

bec_widgets/widgets/dap/lmfit_dialog/lmfit_dialog.py

@@ -1,13 +1,14 @@
 import os
 
+import shiboken6
 from bec_lib.logger import bec_logger
 from qtpy.QtCore import Signal
-from qtpy.QtWidgets import QPushButton, QTreeWidgetItem, QVBoxLayout, QWidget
+from qtpy.QtWidgets import QPushButton, QSizePolicy, QTreeWidgetItem, QVBoxLayout, QWidget
 
-from bec_widgets.utils import UILoader
 from bec_widgets.utils.bec_widget import BECWidget
 from bec_widgets.utils.colors import get_accent_colors
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
+from bec_widgets.utils.ui_loader import UILoader
 
 logger = bec_logger.logger
 
@@ -34,7 +35,7 @@ class LMFitDialog(BECWidget, QWidget):
         **kwargs,
     ):
         """
-        Initialises the LMFitDialog widget.
+        Initializes the LMFitDialog widget.
 
         Args:
             parent (QWidget): The parent widget.
@@ -68,6 +69,27 @@ class LMFitDialog(BECWidget, QWidget):
         self._hide_curve_selection = False
         self._hide_summary = False
         self._hide_parameters = False
+        self._configure_embedded_size_policy()
+
+    def _configure_embedded_size_policy(self):
+        """Allow the compact dialog to shrink more gracefully in embedded layouts."""
+        if self._ui_file != "lmfit_dialog_compact.ui":
+            return
+
+        self.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Preferred)
+        self.ui.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Preferred)
+
+        for group in (
+            self.ui.group_curve_selection,
+            self.ui.group_summary,
+            self.ui.group_parameters,
+        ):
+            group.setMinimumHeight(0)
+            group.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Preferred)
+
+        for view in (self.ui.curve_list, self.ui.summary_tree, self.ui.param_tree):
+            view.setMinimumHeight(0)
+            view.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Ignored)
 
     @property
     def enable_actions(self) -> bool:
@@ -77,8 +99,14 @@ class LMFitDialog(BECWidget, QWidget):
     @enable_actions.setter
     def enable_actions(self, enable: bool):
         self._enable_actions = enable
-        for button in self.action_buttons.values():
+        valid_buttons = {}
+        for name, button in self.action_buttons.items():
+            # just to be sure we have a valid c++ object
+            if button is None or not shiboken6.isValid(button):
+                continue
             button.setEnabled(enable)
+            valid_buttons[name] = button
+        self.action_buttons = valid_buttons
 
     @SafeProperty(list)
     def active_action_list(self) -> list[str]:
@@ -89,16 +117,6 @@ class LMFitDialog(BECWidget, QWidget):
     def active_action_list(self, actions: list[str]):
         self._active_actions = actions
 
-    # This SafeSlot needed?
-    @SafeSlot(bool)
-    def set_actions_enabled(self, enable: bool) -> bool:
-        """SafeSlot to enable the move to buttons.
-
-        Args:
-            enable (bool): Whether to enable the action buttons.
-        """
-        self.enable_actions = enable
-
     @SafeProperty(bool)
     def always_show_latest(self):
         """SafeProperty to indicate if always the latest DAP update is displayed."""
@@ -154,19 +172,21 @@ class LMFitDialog(BECWidget, QWidget):
         self.ui.group_parameters.setVisible(not show)
 
     @property
-    def fit_curve_id(self) -> str:
+    def fit_curve_id(self) -> str | None:
         """SafeProperty for the currently displayed fit curve_id."""
         return self._fit_curve_id
 
     @fit_curve_id.setter
-    def fit_curve_id(self, curve_id: str):
+    def fit_curve_id(self, curve_id: str | None):
         """Setter for the currently displayed fit curve_id.
 
         Args:
-            fit_curve_id (str): The curve_id of the fit curve to be displayed.
+            curve_id (str | None): The curve_id of the fit curve to be displayed,
+                or None to clear the selection.
         """
         self._fit_curve_id = curve_id
-        self.selected_fit.emit(curve_id)
+        if curve_id is not None:
+            self.selected_fit.emit(curve_id)
 
     @SafeSlot(str)
     def remove_dap_data(self, curve_id: str):
@@ -176,6 +196,15 @@ class LMFitDialog(BECWidget, QWidget):
             curve_id (str): The curve_id of the DAP data to be removed.
         """
         self.summary_data.pop(curve_id, None)
+        if self.fit_curve_id == curve_id:
+            self.action_buttons = {}
+            self.ui.summary_tree.clear()
+            self.ui.param_tree.clear()
+            remaining = list(self.summary_data.keys())
+            if remaining:
+                self.fit_curve_id = remaining[0]
+            else:
+                self._fit_curve_id = None
         self.refresh_curve_list()
 
     @SafeSlot(str)
@@ -251,6 +280,7 @@ class LMFitDialog(BECWidget, QWidget):
             params (list): List of LMFit parameters for the fit curve.
         """
         self._move_buttons = []
+        self.action_buttons = {}
         self.ui.param_tree.clear()
         for param in params:
             param_name = param[0]
@@ -269,9 +299,9 @@ class LMFitDialog(BECWidget, QWidget):
             if param_name in self.active_action_list:  # pylint: disable=unsupported-membership-test
                 # Create a push button to move the motor to a specific position
                 widget = QWidget()
-                button = QPushButton(f"Move to {param_name}")
+                button = QPushButton("Move")
                 button.clicked.connect(self._create_move_action(param_name, param[1]))
-                if self.enable_actions is True:
+                if self.enable_actions:
                     button.setEnabled(True)
                 else:
                     button.setEnabled(False)

bec_widgets/widgets/dap/lmfit_dialog/lmfit_dialog_compact.ui

@@ -14,6 +14,18 @@
    <string>Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
    <item row="0" column="0">
     <widget class="QSplitter" name="splitter_2">
      <property name="sizePolicy">
@@ -22,15 +34,6 @@
        <verstretch>0</verstretch>
       </sizepolicy>
      </property>
-     <property name="frameShape">
-      <enum>QFrame::Shape::VLine</enum>
-     </property>
-     <property name="frameShadow">
-      <enum>QFrame::Shadow::Plain</enum>
-     </property>
-     <property name="lineWidth">
-      <number>1</number>
-     </property>
      <property name="orientation">
       <enum>Qt::Orientation::Horizontal</enum>
      </property>
@@ -41,6 +44,12 @@
       <bool>true</bool>
      </property>
      <widget class="QGroupBox" name="group_curve_selection">
+      <property name="minimumSize">
+       <size>
+        <width>120</width>
+        <height>0</height>
+       </size>
+      </property>
       <property name="title">
        <string>Select Curve</string>
       </property>
@@ -58,18 +67,36 @@
        </sizepolicy>
       </property>
       <property name="orientation">
-       <enum>Qt::Orientation::Vertical</enum>
+       <enum>Qt::Orientation::Horizontal</enum>
       </property>
       <widget class="QGroupBox" name="group_summary">
+       <property name="minimumSize">
+        <size>
+         <width>180</width>
+         <height>0</height>
+        </size>
+       </property>
        <property name="title">
         <string>Fit Summary</string>
        </property>
        <layout class="QVBoxLayout" name="verticalLayout_2">
         <item>
          <widget class="QTreeWidget" name="summary_tree">
+          <property name="alternatingRowColors">
+           <bool>true</bool>
+          </property>
+             <property name="indentation">
+                 <number>0</number>
+             </property>
+             <property name="rootIsDecorated">
+                 <bool>false</bool>
+             </property>
           <property name="uniformRowHeights">
            <bool>false</bool>
           </property>
+          <attribute name="headerDefaultSectionSize">
+           <number>90</number>
+          </attribute>
           <column>
            <property name="text">
             <string>Property</string>
@@ -85,12 +112,33 @@
        </layout>
       </widget>
       <widget class="QGroupBox" name="group_parameters">
+       <property name="minimumSize">
+        <size>
+         <width>240</width>
+         <height>0</height>
+        </size>
+       </property>
        <property name="title">
         <string>Parameter Details</string>
        </property>
        <layout class="QVBoxLayout" name="verticalLayout_3">
         <item>
          <widget class="QTreeWidget" name="param_tree">
+          <property name="alternatingRowColors">
+           <bool>true</bool>
+          </property>
+             <property name="indentation">
+                 <number>0</number>
+             </property>
+             <property name="rootIsDecorated">
+                 <bool>false</bool>
+          </property>
+          <property name="columnCount">
+           <number>4</number>
+          </property>
+          <attribute name="headerDefaultSectionSize">
+           <number>80</number>
+          </attribute>
           <column>
            <property name="text">
             <string>Parameter</string>
@@ -106,6 +154,11 @@
             <string>Std</string>
            </property>
           </column>
+          <column>
+           <property name="text">
+            <string>Action</string>
+           </property>
+          </column>
          </widget>
         </item>
        </layout>

bec_widgets/widgets/dap/lmfit_dialog/lmfit_dialog_vertical.ui

@@ -95,6 +95,12 @@
           <height>0</height>
          </size>
         </property>
+           <property name="indentation">
+               <number>0</number>
+           </property>
+           <property name="rootIsDecorated">
+               <bool>false</bool>
+           </property>
         <property name="uniformRowHeights">
          <bool>false</bool>
         </property>
@@ -147,6 +153,12 @@
           <width>0</width>
           <height>0</height>
          </size>
+        </property>
+           <property name="indentation">
+               <number>0</number>
+           </property>
+           <property name="rootIsDecorated">
+               <bool>false</bool>
         </property>
         <property name="columnCount">
          <number>4</number>

bec_widgets/widgets/editors/bec_console/bec_console.py

@@ -0,0 +1,605 @@
+from __future__ import annotations
+
+import enum
+from dataclasses import dataclass, field
+from uuid import uuid4
+from weakref import WeakValueDictionary
+
+import shiboken6
+from bec_lib.logger import bec_logger
+from qtpy.QtCore import Qt, Signal
+from qtpy.QtGui import QMouseEvent
+from qtpy.QtWidgets import (
+    QApplication,
+    QHBoxLayout,
+    QLabel,
+    QStackedLayout,
+    QTabWidget,
+    QVBoxLayout,
+    QWidget,
+)
+
+from bec_widgets.utils.bec_widget import BECWidget
+from bec_widgets.widgets.utility.bec_term.protocol import BecTerminal
+from bec_widgets.widgets.utility.bec_term.util import get_current_bec_term_class
+
+logger = bec_logger.logger
+
+_BecTermClass = get_current_bec_term_class()
+
+# Note on definitions:
+# Terminal: an instance of a terminal widget with a system shell
+# Console: one of possibly several widgets which may share ownership of one single terminal
+# Shell: a Console set to start the BEC IPython client in its terminal
+
+
+class ConsoleMode(str, enum.Enum):
+    ACTIVE = "active"
+    INACTIVE = "inactive"
+    HIDDEN = "hidden"
+
+
+@dataclass
+class _TerminalOwnerInfo:
+    """Should be managed only by the BecConsoleRegistry. Consoles should ask the registry for
+    necessary ownership info."""
+
+    owner_console_id: str | None = None
+    registered_console_ids: set[str] = field(default_factory=set)
+    instance: BecTerminal | None = None
+    terminal_id: str = ""
+    initialized: bool = False
+    persist_session: bool = False
+    fallback_holder: QWidget | None = None
+
+
+class BecConsoleRegistry:
+    """
+    A registry for the BecConsole class to manage its instances.
+    """
+
+    def __init__(self):
+        """
+        Initialize the registry.
+        """
+        self._consoles: WeakValueDictionary[str, BecConsole] = WeakValueDictionary()
+        self._terminal_registry: dict[str, _TerminalOwnerInfo] = {}
+
+    @staticmethod
+    def _is_valid_qobject(obj: object | None) -> bool:
+        return obj is not None and shiboken6.isValid(obj)
+
+    def _connect_app_cleanup(self) -> None:
+        app = QApplication.instance()
+        if app is None:
+            return
+        app.aboutToQuit.connect(self.clear, Qt.ConnectionType.UniqueConnection)
+
+    @staticmethod
+    def _new_terminal_info(console: BecConsole) -> _TerminalOwnerInfo:
+        term = _BecTermClass()
+        return _TerminalOwnerInfo(
+            registered_console_ids={console.console_id},
+            owner_console_id=console.console_id,
+            instance=term,
+            terminal_id=console.terminal_id,
+            persist_session=console.persist_terminal_session,
+        )
+
+    @staticmethod
+    def _replace_terminal(info: _TerminalOwnerInfo, console: BecConsole) -> None:
+        info.instance = _BecTermClass()
+        info.initialized = False
+        info.owner_console_id = console.console_id
+        info.registered_console_ids.add(console.console_id)
+        info.persist_session = info.persist_session or console.persist_terminal_session
+
+    def _delete_terminal_info(self, info: _TerminalOwnerInfo) -> None:
+        if self._is_valid_qobject(info.instance):
+            info.instance.deleteLater()  # type: ignore[union-attr]
+        info.instance = None
+        if self._is_valid_qobject(info.fallback_holder):
+            info.fallback_holder.deleteLater()
+        info.fallback_holder = None
+
+    def _parking_parent(
+        self,
+        info: _TerminalOwnerInfo,
+        console: BecConsole | None = None,
+        *,
+        avoid_console: bool = False,
+    ) -> QWidget | None:
+        for console_id in info.registered_console_ids:
+            candidate = self._consoles.get(console_id)
+            if candidate is None or candidate is console:
+                continue
+            if self._is_valid_qobject(candidate):
+                return candidate._term_holder
+
+        if console is None or not self._is_valid_qobject(console):
+            return None
+
+        window = console.window()
+        if window is not None and window is not console and self._is_valid_qobject(window):
+            return window
+
+        if not avoid_console:
+            return console._term_holder
+        return None
+
+    def _fallback_holder(
+        self,
+        info: _TerminalOwnerInfo,
+        console: BecConsole | None = None,
+        *,
+        avoid_console: bool = False,
+    ) -> QWidget:
+        if not self._is_valid_qobject(info.fallback_holder):
+            info.fallback_holder = QWidget(
+                parent=self._parking_parent(info, console, avoid_console=avoid_console)
+            )
+            info.fallback_holder.setObjectName(f"_bec_console_terminal_holder_{info.terminal_id}")
+            info.fallback_holder.hide()
+        return info.fallback_holder
+
+    def _park_terminal(
+        self,
+        info: _TerminalOwnerInfo,
+        console: BecConsole | None = None,
+        *,
+        avoid_console: bool = False,
+    ) -> None:
+        if not self._is_valid_qobject(info.instance):
+            return
+
+        parent = self._parking_parent(info, console, avoid_console=avoid_console)
+        if parent is None and info.persist_session:
+            parent = self._fallback_holder(info, console, avoid_console=avoid_console)
+
+        info.instance.hide()  # type: ignore[union-attr]
+        info.instance.setParent(parent)  # type: ignore[union-attr]
+
+    def clear(self) -> None:
+        """Delete every tracked terminal and holder."""
+        for info in list(self._terminal_registry.values()):
+            self._delete_terminal_info(info)
+        self._terminal_registry.clear()
+        self._consoles.clear()
+
+    def register(self, console: BecConsole):
+        """
+        Register an instance of BecConsole. If there is already a terminal with the associated
+        terminal_id, this does not automatically grant ownership.
+
+        Args:
+            console (BecConsole): The instance to register.
+        """
+        self._connect_app_cleanup()
+        self._consoles[console.console_id] = console
+        console_id, terminal_id = console.console_id, console.terminal_id
+        term_info = self._terminal_registry.get(terminal_id)
+        if term_info is None:
+            self._terminal_registry[terminal_id] = self._new_terminal_info(console)
+            return
+
+        term_info.persist_session = term_info.persist_session or console.persist_terminal_session
+        had_registered_consoles = bool(term_info.registered_console_ids)
+        term_info.registered_console_ids.add(console_id)
+        if not self._is_valid_qobject(term_info.instance):
+            self._replace_terminal(term_info, console)
+            return
+        if (
+            term_info.owner_console_id is not None
+            and term_info.owner_console_id not in self._consoles
+        ):
+            term_info.owner_console_id = None
+        if term_info.owner_console_id is None and not had_registered_consoles:
+            term_info.owner_console_id = console_id
+        logger.info(f"Registered new console {console_id} for terminal {terminal_id}")
+
+    def unregister(self, console: BecConsole):
+        """
+        Unregister an instance of BecConsole.
+
+        Args:
+            console (BecConsole): The instance to unregister.
+        """
+        console_id, terminal_id = console.console_id, console.terminal_id
+        if console_id in self._consoles:
+            del self._consoles[console_id]
+        if (term_info := self._terminal_registry.get(terminal_id)) is None:
+            return
+        detached = console._detach_terminal_widget(term_info.instance)
+        if console_id in term_info.registered_console_ids:
+            term_info.registered_console_ids.remove(console_id)
+        if term_info.owner_console_id == console_id:
+            term_info.owner_console_id = None
+        if not term_info.registered_console_ids:
+            if term_info.persist_session and self._is_valid_qobject(term_info.instance):
+                self._park_terminal(term_info, console, avoid_console=True)
+                logger.info(f"Unregistered console {console_id} for terminal {terminal_id}")
+                return
+
+            self._delete_terminal_info(term_info)
+            del self._terminal_registry[terminal_id]
+        elif detached:
+            self._park_terminal(term_info, console, avoid_console=True)
+
+        logger.info(f"Unregistered console {console_id} for terminal {terminal_id}")
+
+    def is_owner(self, console: BecConsole):
+        """Returns true if the given console is the owner of its terminal"""
+        if console not in self._consoles.values():
+            return False
+        if (info := self._terminal_registry.get(console.terminal_id)) is None:
+            logger.warning(f"Console {console.console_id} references an unknown terminal!")
+            return False
+        if not self._is_valid_qobject(info.instance):
+            return False
+        return info.owner_console_id == console.console_id
+
+    def take_ownership(self, console: BecConsole) -> BecTerminal | None:
+        """
+        Transfer ownership of a terminal to the given console.
+
+        Args:
+            console: the console which wishes to take ownership of its associated terminal.
+        Returns:
+            BecTerminal | None: The instance if ownership transfer was successful, None otherwise.
+        """
+        console_id, terminal_id = console.console_id, console.terminal_id
+
+        if terminal_id not in self._terminal_registry:
+            self.register(console)
+
+        instance_info = self._terminal_registry[terminal_id]
+        if not self._is_valid_qobject(instance_info.instance):
+            self._replace_terminal(instance_info, console)
+        if (old_owner_console_ide := instance_info.owner_console_id) is not None:
+            if (
+                old_owner_console_ide != console_id
+                and (old_owner := self._consoles.get(old_owner_console_ide)) is not None
+            ):
+                old_owner.yield_ownership()  # call this on the old owner to make sure it is updated
+        instance_info.owner_console_id = console_id
+        instance_info.registered_console_ids.add(console_id)
+        logger.info(f"Transferred ownership of terminal {terminal_id} to {console_id}")
+        return instance_info.instance
+
+    def try_get_term(self, console: BecConsole) -> BecTerminal | None:
+        """
+        Return the terminal instance if the requesting console is the owner
+
+        Args:
+            console: the requesting console.
+        Returns:
+            BecTerminal | None: The instance if the console is the owner, None otherwise.
+        """
+        console_id, terminal_id = console.console_id, console.terminal_id
+        logger.debug(f"checking term for {console_id}")
+        if terminal_id not in self._terminal_registry:
+            logger.warning(f"Terminal {terminal_id} not found in registry")
+            return None
+
+        instance_info = self._terminal_registry[terminal_id]
+        if not self._is_valid_qobject(instance_info.instance):
+            if instance_info.owner_console_id == console_id:
+                self._replace_terminal(instance_info, console)
+            else:
+                return None
+        if instance_info.owner_console_id == console_id:
+            return instance_info.instance
+
+    def yield_ownership(self, console: BecConsole):
+        """
+        Yield ownership of an instance without destroying it. The instance remains in the
+        registry with no owner, available for another widget to claim.
+
+        Args:
+            console (BecConsole): The console which wishes to yield ownership of its associated terminal.
+        """
+        console_id, terminal_id = console.console_id, console.terminal_id
+        logger.debug(f"Console {console_id} attempted to yield ownership")
+        if console_id not in self._consoles or terminal_id not in self._terminal_registry:
+            return
+
+        term_info = self._terminal_registry[terminal_id]
+        if term_info.owner_console_id != console_id:
+            logger.debug(f"But it was not the owner, which was {term_info.owner_console_id}!")
+            return
+        term_info.owner_console_id = None
+        console._detach_terminal_widget(term_info.instance)
+        self._park_terminal(term_info, console)
+
+    def should_initialize(self, console: BecConsole) -> bool:
+        """Return true if the console should send its startup command to the terminal."""
+        info = self._terminal_registry.get(console.terminal_id)
+        if info is None:
+            return False
+        return (
+            info.owner_console_id == console.console_id
+            and not info.initialized
+            and self._is_valid_qobject(info.instance)
+        )
+
+    def mark_initialized(self, console: BecConsole) -> None:
+        info = self._terminal_registry.get(console.terminal_id)
+        if info is not None and info.owner_console_id == console.console_id:
+            info.initialized = True
+
+    def owner_is_visible(self, term_id: str) -> bool:
+        """
+        Check if the owner of an instance is currently visible.
+
+        Args:
+            term_id (str): The terminal ID to check.
+        Returns:
+            bool: True if the owner is visible, False otherwise.
+        """
+        instance_info = self._terminal_registry.get(term_id)
+        if (
+            instance_info is None
+            or instance_info.owner_console_id is None
+            or not self._is_valid_qobject(instance_info.instance)
+        ):
+            return False
+
+        if (owner := self._consoles.get(instance_info.owner_console_id)) is None:
+            return False
+        return owner.isVisible()
+
+
+_bec_console_registry = BecConsoleRegistry()
+
+
+class _Overlay(QWidget):
+    def __init__(self, console: BecConsole):
+        super().__init__(parent=console)
+        self._console = console
+
+    def mousePressEvent(self, event: QMouseEvent) -> None:
+        if event.button() == Qt.MouseButton.LeftButton:
+            self._console.take_terminal_ownership()
+            event.accept()
+            return
+        return super().mousePressEvent(event)
+
+
+class BecConsole(BECWidget, QWidget):
+    """A console widget with access to a shared registry of terminals, such that instances can be moved around."""
+
+    _js_callback = Signal(bool)
+    initialized = Signal()
+
+    PLUGIN = True
+    ICON_NAME = "terminal"
+    persist_terminal_session = False
+
+    def __init__(
+        self,
+        parent=None,
+        config=None,
+        client=None,
+        gui_id=None,
+        startup_cmd: str | None = None,
+        terminal_id: str | None = None,
+        **kwargs,
+    ):
+        super().__init__(parent=parent, client=client, gui_id=gui_id, config=config, **kwargs)
+        self._mode = ConsoleMode.INACTIVE
+        self._startup_cmd = startup_cmd
+        self._is_initialized = False
+        self.terminal_id = terminal_id or str(uuid4())
+        self.console_id = self.gui_id
+        self.term: BecTerminal | None = None  # Will be set in _set_up_instance
+
+        self._set_up_instance()
+
+    def _set_up_instance(self):
+        """
+        Set up the web instance and UI elements.
+        """
+        self._stacked_layout = QStackedLayout()
+        # self._stacked_layout.setStackingMode(QStackedLayout.StackingMode.StackAll)
+        self._term_holder = QWidget()
+        self._term_layout = QVBoxLayout()
+        self._term_layout.setContentsMargins(0, 0, 0, 0)
+        self._term_holder.setLayout(self._term_layout)
+
+        self.setLayout(self._stacked_layout)
+
+        # prepare overlay
+        self._overlay = _Overlay(self)
+        layout = QVBoxLayout(self._overlay)
+        layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        label = QLabel("Click to activate terminal", self._overlay)
+        layout.addWidget(label)
+
+        self._stacked_layout.addWidget(self._term_holder)
+        self._stacked_layout.addWidget(self._overlay)
+
+        # will create a new terminal instance if there isn't already one for this ID
+        _bec_console_registry.register(self)
+        self._infer_mode()
+        self._ensure_startup_started()
+
+    def _infer_mode(self):
+        self.term = _bec_console_registry.try_get_term(self)
+        if self.term:
+            self._set_mode(ConsoleMode.ACTIVE)
+        elif self.isHidden():
+            self._set_mode(ConsoleMode.HIDDEN)
+        else:
+            self._set_mode(ConsoleMode.INACTIVE)
+
+    def _set_mode(self, mode: ConsoleMode):
+        """
+        Set the mode of the web console.
+
+        Args:
+            mode (ConsoleMode): The mode to set.
+        """
+
+        match mode:
+            case ConsoleMode.ACTIVE:
+                if self.term:
+                    if self._term_layout.indexOf(self.term) == -1:  # type: ignore[arg-type]
+                        self._term_layout.addWidget(self.term)  # type: ignore # BecTerminal is QWidget
+                    self.term.show()  # type: ignore[attr-defined]
+                    self._stacked_layout.setCurrentIndex(0)
+                    self._mode = mode
+                else:
+                    self._stacked_layout.setCurrentIndex(1)
+                    self._mode = ConsoleMode.INACTIVE
+            case ConsoleMode.INACTIVE:
+                self._stacked_layout.setCurrentIndex(1)
+                self._mode = mode
+            case ConsoleMode.HIDDEN:
+                self._stacked_layout.setCurrentIndex(1)
+                self._mode = mode
+
+    @property
+    def startup_cmd(self):
+        """
+        Get the startup command for the web console.
+        """
+        return self._startup_cmd
+
+    @startup_cmd.setter
+    def startup_cmd(self, cmd: str | None):
+        """
+        Set the startup command for the console.
+        """
+        self._startup_cmd = cmd
+
+    def write(self, data: str, send_return: bool = True):
+        """
+        Send data to the console
+
+        Args:
+            data (str): The data to send.
+            send_return (bool): Whether to send a return after the data.
+        """
+        if self.term:
+            self.term.write(data, send_return)
+
+    def _ensure_startup_started(self):
+        if not self.startup_cmd or not _bec_console_registry.should_initialize(self):
+            return
+        self.write(self.startup_cmd, True)
+        _bec_console_registry.mark_initialized(self)
+
+    def _detach_terminal_widget(self, term: BecTerminal | None) -> bool:
+        if term is None or not BecConsoleRegistry._is_valid_qobject(term):
+            if self.term is term:
+                self.term = None
+            return False
+
+        is_child = self.isAncestorOf(term)  # type: ignore[arg-type]
+        if self._term_layout.indexOf(term) != -1:  # type: ignore[arg-type]
+            self._term_layout.removeWidget(term)  # type: ignore[arg-type]
+            is_child = True
+        if is_child:
+            term.hide()  # type: ignore[attr-defined]
+            term.setParent(None)  # type: ignore[attr-defined]
+        if self.term is term:
+            self.term = None
+        return is_child
+
+    def take_terminal_ownership(self):
+        """
+        Take ownership of a web instance from the registry. This will transfer the instance
+        from its current owner (if any) to this widget.
+        """
+        # Get the instance from registry
+        self.term = _bec_console_registry.take_ownership(self)
+        self._infer_mode()
+        self._ensure_startup_started()
+        if self._mode == ConsoleMode.ACTIVE:
+            logger.debug(f"Widget {self.gui_id} took ownership of instance {self.terminal_id}")
+
+    def yield_ownership(self):
+        """
+        Yield ownership of the instance. The instance remains in the registry with no owner,
+        available for another widget to claim. This is automatically called when the
+        widget becomes hidden.
+        """
+        _bec_console_registry.yield_ownership(self)
+        self._infer_mode()
+        if self._mode != ConsoleMode.ACTIVE:
+            logger.debug(f"Widget {self.gui_id} yielded ownership of instance {self.terminal_id}")
+
+    def hideEvent(self, event):
+        """Called when the widget is hidden. Automatically yields ownership."""
+        self.yield_ownership()
+        super().hideEvent(event)
+
+    def showEvent(self, event):
+        """Called when the widget is shown. Updates UI state based on ownership."""
+        super().showEvent(event)
+        if not _bec_console_registry.is_owner(self):
+            if not _bec_console_registry.owner_is_visible(self.terminal_id):
+                self.take_terminal_ownership()
+
+    def cleanup(self):
+        """Unregister this console on destruction."""
+        _bec_console_registry.unregister(self)
+        super().cleanup()
+
+
+class BECShell(BecConsole):
+    """
+    A BecConsole pre-configured to run the BEC shell.
+    We cannot simply expose the web console properties to Qt as we need to have a deterministic
+    startup behavior for sharing the same shell instance across multiple widgets.
+    """
+
+    ICON_NAME = "hub"
+    persist_terminal_session = True
+
+    def __init__(self, parent=None, config=None, client=None, gui_id=None, **kwargs):
+        super().__init__(
+            parent=parent,
+            config=config,
+            client=client,
+            gui_id=gui_id,
+            terminal_id="bec_shell",
+            **kwargs,
+        )
+
+    @property
+    def startup_cmd(self):
+        """
+        Get the startup command for the BEC shell.
+        """
+        if self.bec_dispatcher.cli_server is None:
+            return "bec --nogui"
+        return f"bec --gui-id {self.bec_dispatcher.cli_server.gui_id}"
+
+    @startup_cmd.setter
+    def startup_cmd(self, cmd: str | None): ...
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import sys
+
+    app = QApplication(sys.argv)
+    widget = QTabWidget()
+
+    # Create two consoles with different unique_ids
+    bec_console_1a = BecConsole(startup_cmd="htop", gui_id="console_1_a", terminal_id="terminal_1")
+    bec_console_1b = BecConsole(startup_cmd="htop", gui_id="console_1_b", terminal_id="terminal_1")
+    bec_console_1 = QWidget()
+    bec_console_1_layout = QHBoxLayout(bec_console_1)
+    bec_console_1_layout.addWidget(bec_console_1a)
+    bec_console_1_layout.addWidget(bec_console_1b)
+    bec_console2 = BECShell()
+    bec_console3 = BecConsole(gui_id="console_3", terminal_id="terminal_1")
+    widget.addTab(bec_console_1, "Console 1")
+    widget.addTab(bec_console2, "Console 2 - BEC Shell")
+    widget.addTab(bec_console3, "Console 3 -- mirror of Console 1")
+    widget.show()
+
+    widget.resize(800, 600)
+
+    sys.exit(app.exec_())

bec_widgets/widgets/editors/bec_console/bec_console.pyproject

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

bec_widgets/widgets/editors/bec_console/bec_console_plugin.py

@@ -5,17 +5,17 @@ from qtpy.QtDesigner import QDesignerCustomWidgetInterface
 from qtpy.QtWidgets import QWidget
 
 from bec_widgets.utils.bec_designer import designer_material_icon
-from bec_widgets.widgets.editors.web_console.web_console import WebConsole
+from bec_widgets.widgets.editors.bec_console.bec_console import BecConsole
 
 DOM_XML = """
 <ui language='c++'>
-    <widget class='WebConsole' name='web_console'>
+    <widget class='BecConsole' name='bec_console'>
     </widget>
 </ui>
 """
 
 
-class WebConsolePlugin(QDesignerCustomWidgetInterface):  # pragma: no cover
+class BecConsolePlugin(QDesignerCustomWidgetInterface):  # pragma: no cover
     def __init__(self):
         super().__init__()
         self._form_editor = None
@@ -23,20 +23,20 @@ class WebConsolePlugin(QDesignerCustomWidgetInterface):  # pragma: no cover
     def createWidget(self, parent):
         if parent is None:
             return QWidget()
-        t = WebConsole(parent)
+        t = BecConsole(parent)
         return t
 
     def domXml(self):
         return DOM_XML
 
     def group(self):
-        return "BEC Developer"
+        return ""
 
     def icon(self):
-        return designer_material_icon(WebConsole.ICON_NAME)
+        return designer_material_icon(BecConsole.ICON_NAME)
 
     def includeFile(self):
-        return "web_console"
+        return "bec_console"
 
     def initialize(self, form_editor):
         self._form_editor = form_editor
@@ -48,10 +48,10 @@ class WebConsolePlugin(QDesignerCustomWidgetInterface):  # pragma: no cover
         return self._form_editor is not None
 
     def name(self):
-        return "WebConsole"
+        return "BecConsole"
 
     def toolTip(self):
-        return ""
+        return "A console widget with access to a shared registry of terminals, such that instances can be moved around."
 
     def whatsThis(self):
         return self.toolTip()

bec_widgets/widgets/editors/bec_console/bec_shell.pyproject

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

bec_widgets/widgets/editors/bec_console/bec_shell_plugin.py

@@ -5,7 +5,7 @@ from qtpy.QtDesigner import QDesignerCustomWidgetInterface
 from qtpy.QtWidgets import QWidget
 
 from bec_widgets.utils.bec_designer import designer_material_icon
-from bec_widgets.widgets.editors.web_console.web_console import BECShell
+from bec_widgets.widgets.editors.bec_console.bec_console import BECShell
 
 DOM_XML = """
 <ui language='c++'>

bec_widgets/widgets/editors/bec_console/register_bec_console.py

@@ -6,9 +6,9 @@ def main():  # pragma: no cover
         return
     from PySide6.QtDesigner import QPyDesignerCustomWidgetCollection
 
-    from bec_widgets.widgets.editors.web_console.web_console_plugin import WebConsolePlugin
+    from bec_widgets.widgets.editors.bec_console.bec_console_plugin import BecConsolePlugin
 
-    QPyDesignerCustomWidgetCollection.addCustomWidget(WebConsolePlugin())
+    QPyDesignerCustomWidgetCollection.addCustomWidget(BecConsolePlugin())
 
 
 if __name__ == "__main__":  # pragma: no cover

bec_widgets/widgets/editors/bec_console/register_bec_shell.py

@@ -6,7 +6,7 @@ def main():  # pragma: no cover
         return
     from PySide6.QtDesigner import QPyDesignerCustomWidgetCollection
 
-    from bec_widgets.widgets.editors.web_console.bec_shell_plugin import BECShellPlugin
+    from bec_widgets.widgets.editors.bec_console.bec_shell_plugin import BECShellPlugin
 
     QPyDesignerCustomWidgetCollection.addCustomWidget(BECShellPlugin())
 

bec_widgets/widgets/editors/monaco/monaco_dock.py

@@ -6,7 +6,7 @@ from typing import Any, cast
 
 from bec_lib.logger import bec_logger
 from bec_lib.macro_update_handler import has_executable_code
-from qtpy.QtCore import QEvent, QTimer, Signal
+from qtpy.QtCore import Signal
 from qtpy.QtWidgets import QFileDialog, QMessageBox, QToolButton, QWidget
 
 from bec_widgets.widgets.containers.dock_area.basic_dock_area import DockAreaWidget
@@ -36,12 +36,12 @@ class MonacoDock(DockAreaWidget):
             **kwargs,
         )
         self.dock_manager.focusedDockWidgetChanged.connect(self._on_focus_event)
-        self.dock_manager.installEventFilter(self)
         self._last_focused_editor: CDockWidget | None = None
         self.focused_editor.connect(self._on_last_focused_editor_changed)
         initial_editor = self.add_editor()
         if isinstance(initial_editor, CDockWidget):
             self.last_focused_editor = initial_editor
+        self._install_manager_scan_and_fix_guards()
 
     def _create_editor_widget(self) -> MonacoWidget:
         """Create a configured Monaco editor widget."""
@@ -73,7 +73,8 @@ class MonacoDock(DockAreaWidget):
             logger.info(f"Editor '{widget.current_file}' has unsaved changes: {widget.get_text()}")
         self.save_enabled.emit(widget.modified)
 
-    def _update_tab_title_for_modification(self, dock: CDockWidget, modified: bool):
+    @staticmethod
+    def _update_tab_title_for_modification(dock: CDockWidget, modified: bool):
         """Update the tab title to show modification status with a dot indicator."""
         current_title = dock.windowTitle()
 
@@ -98,14 +99,12 @@ class MonacoDock(DockAreaWidget):
             return
 
         active_sig = signatures[signature.get("activeSignature", 0)]
-        active_param = signature.get("activeParameter", 0)  # TODO: Add highlight for active_param
-
         # Get signature label and documentation
         label = active_sig.get("label", "")
         doc_obj = active_sig.get("documentation", {})
         documentation = doc_obj.get("value", "") if isinstance(doc_obj, dict) else str(doc_obj)
 
-        # Format the markdown output
+        # Format the Markdown output
         markdown = f"```python\n{label}\n```\n\n{documentation}"
         self.signature_help.emit(markdown)
 
@@ -156,9 +155,10 @@ class MonacoDock(DockAreaWidget):
         if self.last_focused_editor is dock:
             self.last_focused_editor = None
         # After topology changes, make sure single-tab areas get a plus button
-        QTimer.singleShot(0, self._scan_and_fix_areas)
+        self._scan_and_fix_areas()
 
-    def reset_widget(self, widget: MonacoWidget):
+    @staticmethod
+    def reset_widget(widget: MonacoWidget):
         """
         Reset the given Monaco editor widget to its initial state.
 
@@ -193,23 +193,23 @@ class MonacoDock(DockAreaWidget):
             # pylint: disable=protected-access
             area._monaco_plus_btn = plus_btn
 
-    def _scan_and_fix_areas(self):
+    def _install_manager_scan_and_fix_guards(self) -> None:
+        """
+        Track ADS structural changes to trigger scan and fix of dock areas for plus button injection.
+        """
+        self.dock_manager.dockAreaCreated.connect(self._scan_and_fix_areas)
+        self.dock_manager.dockWidgetAdded.connect(self._scan_and_fix_areas)
+        self.dock_manager.stateRestored.connect(self._scan_and_fix_areas)
+        self.dock_manager.restoringState.connect(self._scan_and_fix_areas)
+        self.dock_manager.focusedDockWidgetChanged.connect(self._scan_and_fix_areas)
+        self._scan_and_fix_areas()
+
+    def _scan_and_fix_areas(self, *_arg):
         # Find all dock areas under this manager and ensure each single-tab area has a plus button
         areas = self.dock_manager.findChildren(CDockAreaWidget)
         for a in areas:
             self._ensure_area_plus(a)
 
-    def eventFilter(self, obj, event):
-        # Track dock manager events
-        if obj is self.dock_manager and event.type() in (
-            QEvent.Type.ChildAdded,
-            QEvent.Type.ChildRemoved,
-            QEvent.Type.LayoutRequest,
-        ):
-            QTimer.singleShot(0, self._scan_and_fix_areas)
-
-        return super().eventFilter(obj, event)
-
     def add_editor(
         self, area: Any | None = None, title: str | None = None, tooltip: str | None = None
     ) -> CDockWidget:
@@ -258,7 +258,7 @@ class MonacoDock(DockAreaWidget):
         if area_widget is not None:
             self._ensure_area_plus(area_widget)
 
-        QTimer.singleShot(0, self._scan_and_fix_areas)
+        self._scan_and_fix_areas()
         self.last_focused_editor = dock
         return dock
 

bec_widgets/widgets/editors/web_console/bec_shell.pyproject

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

bec_widgets/widgets/editors/web_console/web_console.py

@@ -1,705 +0,0 @@
-from __future__ import annotations
-
-import enum
-import json
-import secrets
-import subprocess
-import time
-
-from bec_lib.logger import bec_logger
-from louie.saferef import safe_ref
-from pydantic import BaseModel
-from qtpy.QtCore import Qt, QTimer, QUrl, Signal, qInstallMessageHandler
-from qtpy.QtGui import QMouseEvent, QResizeEvent
-from qtpy.QtWebEngineWidgets import QWebEnginePage, QWebEngineView
-from qtpy.QtWidgets import QApplication, QLabel, QTabWidget, QVBoxLayout, QWidget
-
-from bec_widgets.utils.bec_widget import BECWidget
-
-logger = bec_logger.logger
-
-
-class ConsoleMode(str, enum.Enum):
-    ACTIVE = "active"
-    INACTIVE = "inactive"
-    HIDDEN = "hidden"
-
-
-class PageOwnerInfo(BaseModel):
-    owner_gui_id: str | None = None
-    widget_ids: list[str] = []
-    page: QWebEnginePage | None = None
-    initialized: bool = False
-
-    model_config = {"arbitrary_types_allowed": True}
-
-
-class WebConsoleRegistry:
-    """
-    A registry for the WebConsole class to manage its instances.
-    """
-
-    def __init__(self):
-        """
-        Initialize the registry.
-        """
-        self._instances = {}
-        self._server_process = None
-        self._server_port = None
-        self._token = secrets.token_hex(16)
-        self._page_registry: dict[str, PageOwnerInfo] = {}
-
-    def register(self, instance: WebConsole):
-        """
-        Register an instance of WebConsole.
-
-        Args:
-            instance (WebConsole): The instance to register.
-        """
-        self._instances[instance.gui_id] = safe_ref(instance)
-        self.cleanup()
-
-        if instance._unique_id:
-            self._register_page(instance)
-
-        if self._server_process is None:
-            # Start the ttyd server if not already running
-            self.start_ttyd()
-
-    def start_ttyd(self, use_zsh: bool | None = None):
-        """
-        Start the ttyd server
-        ttyd -q -W -t 'theme={"background": "black"}' zsh
-
-        Args:
-            use_zsh (bool): Whether to use zsh or bash. If None, it will try to detect if zsh is available.
-        """
-
-        # First, check if ttyd is installed
-        try:
-            subprocess.run(["ttyd", "--version"], check=True, stdout=subprocess.PIPE)
-        except FileNotFoundError:
-            # pylint: disable=raise-missing-from
-            raise RuntimeError("ttyd is not installed. Please install it first.")
-
-        if use_zsh is None:
-            # Check if we can use zsh
-            try:
-                subprocess.run(["zsh", "--version"], check=True, stdout=subprocess.PIPE)
-                use_zsh = True
-            except FileNotFoundError:
-                use_zsh = False
-
-        command = [
-            "ttyd",
-            "-p",
-            "0",
-            "-W",
-            "-t",
-            'theme={"background": "black"}',
-            "-c",
-            f"user:{self._token}",
-        ]
-        if use_zsh:
-            command.append("zsh")
-        else:
-            command.append("bash")
-
-        # Start the ttyd server
-        self._server_process = subprocess.Popen(
-            command, stdout=subprocess.PIPE, stderr=subprocess.PIPE
-        )
-
-        self._wait_for_server_port()
-
-        self._server_process.stdout.close()
-        self._server_process.stderr.close()
-
-    def _wait_for_server_port(self, timeout: float = 10):
-        """
-        Wait for the ttyd server to start and get the port number.
-
-        Args:
-            timeout (float): The timeout in seconds to wait for the server to start.
-        """
-        start_time = time.time()
-        while True:
-            output = self._server_process.stderr.readline()
-            if output == b"" and self._server_process.poll() is not None:
-                break
-            if not output:
-                continue
-
-            output = output.decode("utf-8").strip()
-            if "Listening on" in output:
-                # Extract the port number from the output
-                self._server_port = int(output.split(":")[-1])
-                logger.info(f"ttyd server started on port {self._server_port}")
-                break
-            if time.time() - start_time > timeout:
-                raise TimeoutError(
-                    "Timeout waiting for ttyd server to start. Please check if ttyd is installed and available in your PATH."
-                )
-
-    def cleanup(self):
-        """
-        Clean up the registry by removing any instances that are no longer valid.
-        """
-        for gui_id, weak_ref in list(self._instances.items()):
-            if weak_ref() is None:
-                del self._instances[gui_id]
-
-        if not self._instances and self._server_process:
-            # If no instances are left, terminate the server process
-            self._server_process.terminate()
-            self._server_process = None
-            self._server_port = None
-            logger.info("ttyd server terminated")
-
-    def unregister(self, instance: WebConsole):
-        """
-        Unregister an instance of WebConsole.
-
-        Args:
-            instance (WebConsole): The instance to unregister.
-        """
-        if instance.gui_id in self._instances:
-            del self._instances[instance.gui_id]
-
-        if instance._unique_id:
-            self._unregister_page(instance._unique_id, instance.gui_id)
-
-        self.cleanup()
-
-    def _register_page(self, instance: WebConsole):
-        """
-        Register a page in the registry. Please note that this does not transfer ownership
-        for already existing pages; it simply records which widget currently owns the page.
-        Use transfer_page_ownership to change ownership.
-
-        Args:
-            instance (WebConsole): The instance to register.
-        """
-
-        unique_id = instance._unique_id
-        gui_id = instance.gui_id
-
-        if unique_id is None:
-            return
-
-        if unique_id not in self._page_registry:
-            page = BECWebEnginePage()
-            page.authenticationRequired.connect(instance._authenticate)
-            self._page_registry[unique_id] = PageOwnerInfo(
-                owner_gui_id=gui_id, widget_ids=[gui_id], page=page
-            )
-            logger.info(f"Registered new page {unique_id} for {gui_id}")
-            return
-
-        if gui_id not in self._page_registry[unique_id].widget_ids:
-            self._page_registry[unique_id].widget_ids.append(gui_id)
-
-    def _unregister_page(self, unique_id: str, gui_id: str):
-        """
-        Unregister a page from the registry.
-
-        Args:
-            unique_id (str): The unique identifier for the page.
-            gui_id (str): The GUI ID of the widget.
-        """
-        if unique_id not in self._page_registry:
-            return
-        page_info = self._page_registry[unique_id]
-        if gui_id in page_info.widget_ids:
-            page_info.widget_ids.remove(gui_id)
-        if page_info.owner_gui_id == gui_id:
-            page_info.owner_gui_id = None
-        if not page_info.widget_ids:
-            if page_info.page:
-                page_info.page.deleteLater()
-            del self._page_registry[unique_id]
-
-        logger.info(f"Unregistered page {unique_id} for {gui_id}")
-
-    def get_page_info(self, unique_id: str) -> PageOwnerInfo | None:
-        """
-        Get a page from the registry.
-
-        Args:
-            unique_id (str): The unique identifier for the page.
-
-        Returns:
-            PageOwnerInfo | None: The page info if found, None otherwise.
-        """
-        if unique_id not in self._page_registry:
-            return None
-        return self._page_registry[unique_id]
-
-    def take_page_ownership(self, unique_id: str, new_owner_gui_id: str) -> QWebEnginePage | None:
-        """
-        Transfer ownership of a page to a new owner.
-
-        Args:
-            unique_id (str): The unique identifier for the page.
-            new_owner_gui_id (str): The GUI ID of the new owner.
-
-        Returns:
-            QWebEnginePage | None: The page if ownership transfer was successful, None otherwise.
-        """
-        if unique_id not in self._page_registry:
-            logger.warning(f"Page {unique_id} not found in registry")
-            return None
-
-        page_info = self._page_registry[unique_id]
-        old_owner_gui_id = page_info.owner_gui_id
-        if old_owner_gui_id:
-            old_owner_ref = self._instances.get(old_owner_gui_id)
-            if old_owner_ref:
-                old_owner_instance = old_owner_ref()
-                if old_owner_instance:
-                    old_owner_instance.yield_ownership()
-        page_info.owner_gui_id = new_owner_gui_id
-
-        logger.info(f"Transferred ownership of page {unique_id} to {new_owner_gui_id}")
-        return page_info.page
-
-    def yield_ownership(self, gui_id: str) -> bool:
-        """
-        Yield ownership of a page without destroying it. The page remains in the
-        registry with no owner, available for another widget to claim.
-
-        Args:
-            gui_id (str): The GUI ID of the widget yielding ownership.
-
-        Returns:
-            bool: True if ownership was yielded, False otherwise.
-        """
-        if gui_id not in self._instances:
-            return False
-
-        instance = self._instances[gui_id]()
-        if instance is None:
-            return False
-
-        unique_id = instance._unique_id
-        if unique_id is None:
-            return False
-
-        if unique_id not in self._page_registry:
-            return False
-
-        page_owner_info = self._page_registry[unique_id]
-        if page_owner_info.owner_gui_id != gui_id:
-            return False
-
-        page_owner_info.owner_gui_id = None
-        return True
-
-    def owner_is_visible(self, unique_id: str) -> bool:
-        """
-        Check if the owner of a page is currently visible.
-
-        Args:
-            unique_id (str): The unique identifier for the page.
-        Returns:
-            bool: True if the owner is visible, False otherwise.
-        """
-        page_info = self.get_page_info(unique_id)
-        if page_info is None or page_info.owner_gui_id is None:
-            return False
-
-        owner_ref = self._instances.get(page_info.owner_gui_id)
-        if owner_ref is None:
-            return False
-
-        owner_instance = owner_ref()
-        if owner_instance is None:
-            return False
-
-        return owner_instance.isVisible()
-
-
-_web_console_registry = WebConsoleRegistry()
-
-
-def suppress_qt_messages(type_, context, msg):
-    if context.category in ["js", "default"]:
-        return
-    print(msg)
-
-
-qInstallMessageHandler(suppress_qt_messages)
-
-
-class BECWebEnginePage(QWebEnginePage):
-    def javaScriptConsoleMessage(self, level, message, lineNumber, sourceID):
-        logger.info(f"[JS Console] {level.name} at line {lineNumber} in {sourceID}: {message}")
-
-
-class WebConsole(BECWidget, QWidget):
-    """
-    A simple widget to display a website
-    """
-
-    _js_callback = Signal(bool)
-    initialized = Signal()
-
-    PLUGIN = True
-    ICON_NAME = "terminal"
-
-    def __init__(
-        self,
-        parent=None,
-        config=None,
-        client=None,
-        gui_id=None,
-        startup_cmd: str | None = None,
-        is_bec_shell: bool = False,
-        unique_id: str | None = None,
-        **kwargs,
-    ):
-        super().__init__(parent=parent, client=client, gui_id=gui_id, config=config, **kwargs)
-        self._mode = ConsoleMode.INACTIVE
-        self._is_bec_shell = is_bec_shell
-        self._startup_cmd = startup_cmd
-        self._is_initialized = False
-        self._unique_id = unique_id
-        self.page = None  # Will be set in _set_up_page
-
-        self._startup_timer = QTimer()
-        self._startup_timer.setInterval(500)
-        self._startup_timer.timeout.connect(self._check_page_ready)
-        self._startup_timer.start()
-        self._js_callback.connect(self._on_js_callback)
-
-        self._set_up_page()
-
-    def _set_up_page(self):
-        """
-        Set up the web page and UI elements.
-        """
-        layout = QVBoxLayout()
-        layout.setContentsMargins(0, 0, 0, 0)
-        self.browser = QWebEngineView(self)
-
-        layout.addWidget(self.browser)
-        self.setLayout(layout)
-
-        # prepare overlay
-        self.overlay = QWidget(self)
-        layout = QVBoxLayout(self.overlay)
-        layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
-        label = QLabel("Click to activate terminal", self.overlay)
-        layout.addWidget(label)
-        self.overlay.hide()
-
-        _web_console_registry.register(self)
-        self._token = _web_console_registry._token
-
-        # If no unique_id is provided, create a new page
-        if not self._unique_id:
-            self.page = BECWebEnginePage(self)
-            self.page.authenticationRequired.connect(self._authenticate)
-            self.page.setUrl(QUrl(f"http://localhost:{_web_console_registry._server_port}"))
-            self.browser.setPage(self.page)
-            self._set_mode(ConsoleMode.ACTIVE)
-            return
-
-        # Try to get the page from the registry
-        page_info = _web_console_registry.get_page_info(self._unique_id)
-        if page_info and page_info.page:
-            self.page = page_info.page
-            if not page_info.owner_gui_id or page_info.owner_gui_id == self.gui_id:
-                self.browser.setPage(self.page)
-            # Only set URL if this is a newly created page (no URL set yet)
-            if self.page.url().isEmpty():
-                self.page.setUrl(QUrl(f"http://localhost:{_web_console_registry._server_port}"))
-            else:
-                # We have an existing page, so we don't need the startup timer
-                self._startup_timer.stop()
-            if page_info.owner_gui_id != self.gui_id:
-                self._set_mode(ConsoleMode.INACTIVE)
-            else:
-                self._set_mode(ConsoleMode.ACTIVE)
-
-    def _set_mode(self, mode: ConsoleMode):
-        """
-        Set the mode of the web console.
-
-        Args:
-            mode (ConsoleMode): The mode to set.
-        """
-        if not self._unique_id:
-            # For non-unique_id consoles, always active
-            mode = ConsoleMode.ACTIVE
-
-        self._mode = mode
-        match mode:
-            case ConsoleMode.ACTIVE:
-                self.browser.setVisible(True)
-                self.overlay.hide()
-            case ConsoleMode.INACTIVE:
-                self.browser.setVisible(False)
-                self.overlay.show()
-            case ConsoleMode.HIDDEN:
-                self.browser.setVisible(False)
-                self.overlay.hide()
-
-    def _check_page_ready(self):
-        """
-        Check if the page is ready and stop the timer if it is.
-        """
-        if not self.page or self.page.isLoading():
-            return
-
-        self.page.runJavaScript("window.term !== undefined", self._js_callback.emit)
-
-    def _on_js_callback(self, ready: bool):
-        """
-        Callback for when the JavaScript is ready.
-        """
-        if not ready:
-            return
-        self._is_initialized = True
-        self._startup_timer.stop()
-        if self.startup_cmd:
-            if self._unique_id:
-                page_info = _web_console_registry.get_page_info(self._unique_id)
-                if page_info is None:
-                    return
-                if not page_info.initialized:
-                    page_info.initialized = True
-                    self.write(self.startup_cmd)
-            else:
-                self.write(self.startup_cmd)
-        self.initialized.emit()
-
-    @property
-    def startup_cmd(self):
-        """
-        Get the startup command for the web console.
-        """
-        if self._is_bec_shell:
-            if self.bec_dispatcher.cli_server is None:
-                return "bec --nogui"
-            return f"bec --gui-id {self.bec_dispatcher.cli_server.gui_id}"
-        return self._startup_cmd
-
-    @startup_cmd.setter
-    def startup_cmd(self, cmd: str):
-        """
-        Set the startup command for the web console.
-        """
-        if not isinstance(cmd, str):
-            raise ValueError("Startup command must be a string.")
-        self._startup_cmd = cmd
-
-    def write(self, data: str, send_return: bool = True):
-        """
-        Send data to the web page
-
-        Args:
-            data (str): The data to send.
-            send_return (bool): Whether to send a return after the data.
-        """
-        cmd = f"window.term.paste({json.dumps(data)});"
-        if self.page is None:
-            logger.warning("Cannot write to web console: page is not initialized.")
-            return
-        self.page.runJavaScript(cmd)
-        if send_return:
-            self.send_return()
-
-    def take_page_ownership(self, unique_id: str | None = None):
-        """
-        Take ownership of a web page from the registry. This will transfer the page
-        from its current owner (if any) to this widget.
-
-        Args:
-            unique_id (str): The unique identifier of the page to take ownership of.
-                           If None, uses this widget's unique_id.
-        """
-        if unique_id is None:
-            unique_id = self._unique_id
-
-        if not unique_id:
-            logger.warning("Cannot take page ownership without a unique_id")
-            return
-
-        # Get the page from registry
-        page = _web_console_registry.take_page_ownership(unique_id, self.gui_id)
-
-        if not page:
-            logger.warning(f"Page {unique_id} not found in registry")
-            return
-
-        self.page = page
-        self.browser.setPage(page)
-        self._set_mode(ConsoleMode.ACTIVE)
-        logger.info(f"Widget {self.gui_id} took ownership of page {unique_id}")
-
-    def _on_ownership_lost(self):
-        """
-        Called when this widget loses ownership of its page.
-        Displays the overlay and hides the browser.
-        """
-        self._set_mode(ConsoleMode.INACTIVE)
-        logger.info(f"Widget {self.gui_id} lost ownership of page {self._unique_id}")
-
-    def yield_ownership(self):
-        """
-        Yield ownership of the page. The page remains in the registry with no owner,
-        available for another widget to claim. This is automatically called when the
-        widget becomes hidden.
-        """
-        if not self._unique_id:
-            return
-        success = _web_console_registry.yield_ownership(self.gui_id)
-        if success:
-            self._on_ownership_lost()
-            logger.info(f"Widget {self.gui_id} yielded ownership of page {self._unique_id}")
-
-    def has_ownership(self) -> bool:
-        """
-        Check if this widget currently has ownership of a page.
-
-        Returns:
-            bool: True if this widget owns a page, False otherwise.
-        """
-        if not self._unique_id:
-            return False
-        page_info = _web_console_registry.get_page_info(self._unique_id)
-        if page_info is None:
-            return False
-        return page_info.owner_gui_id == self.gui_id
-
-    def hideEvent(self, event):
-        """
-        Called when the widget is hidden. Automatically yields ownership.
-        """
-        if self.has_ownership():
-            self.yield_ownership()
-        self._set_mode(ConsoleMode.HIDDEN)
-        super().hideEvent(event)
-
-    def showEvent(self, event):
-        """
-        Called when the widget is shown. Updates UI state based on ownership.
-        """
-        super().showEvent(event)
-        if self._unique_id and not self.has_ownership():
-            # Take ownership if the page does not have an owner or
-            # the owner is not visible
-            page_info = _web_console_registry.get_page_info(self._unique_id)
-            if page_info is None:
-                self._set_mode(ConsoleMode.INACTIVE)
-                return
-            if page_info.owner_gui_id is None or not _web_console_registry.owner_is_visible(
-                self._unique_id
-            ):
-                self.take_page_ownership(self._unique_id)
-                return
-            if page_info.owner_gui_id != self.gui_id:
-                self._set_mode(ConsoleMode.INACTIVE)
-                return
-
-    def resizeEvent(self, event: QResizeEvent) -> None:
-        super().resizeEvent(event)
-        self.overlay.resize(event.size())
-
-    def mousePressEvent(self, event: QMouseEvent) -> None:
-        if event.button() == Qt.MouseButton.LeftButton and not self.has_ownership():
-            self.take_page_ownership(self._unique_id)
-            event.accept()
-            return
-        return super().mousePressEvent(event)
-
-    def _authenticate(self, _, auth):
-        """
-        Authenticate the request with the provided username and password.
-        """
-        auth.setUser("user")
-        auth.setPassword(self._token)
-
-    def send_return(self):
-        """
-        Send return to the web page
-        """
-        self.page.runJavaScript(
-            "document.querySelector('textarea.xterm-helper-textarea').dispatchEvent(new KeyboardEvent('keypress', {charCode: 13}))"
-        )
-
-    def send_ctrl_c(self):
-        """
-        Send Ctrl+C to the web page
-        """
-        self.page.runJavaScript(
-            "document.querySelector('textarea.xterm-helper-textarea').dispatchEvent(new KeyboardEvent('keypress', {charCode: 3}))"
-        )
-
-    def set_readonly(self, readonly: bool):
-        """
-        Set the web console to read-only mode.
-        """
-        if not isinstance(readonly, bool):
-            raise ValueError("Readonly must be a boolean.")
-        self.setEnabled(not readonly)
-
-    def cleanup(self):
-        """
-        Clean up the registry by removing any instances that are no longer valid.
-        """
-        self._startup_timer.stop()
-        _web_console_registry.unregister(self)
-        super().cleanup()
-
-
-class BECShell(WebConsole):
-    """
-    A WebConsole pre-configured to run the BEC shell.
-    We cannot simply expose the web console properties to Qt as we need to have a deterministic
-    startup behavior for sharing the same shell instance across multiple widgets.
-    """
-
-    ICON_NAME = "hub"
-
-    def __init__(self, parent=None, config=None, client=None, gui_id=None, **kwargs):
-        super().__init__(
-            parent=parent,
-            config=config,
-            client=client,
-            gui_id=gui_id,
-            is_bec_shell=True,
-            unique_id="bec_shell",
-            **kwargs,
-        )
-
-
-if __name__ == "__main__":  # pragma: no cover
-    import sys
-
-    app = QApplication(sys.argv)
-    widget = QTabWidget()
-
-    # Create two consoles with different unique_ids
-    web_console1 = WebConsole(startup_cmd="bec --nogui", unique_id="console1")
-    web_console2 = WebConsole(startup_cmd="htop")
-    web_console3 = WebConsole(startup_cmd="bec --nogui", unique_id="console1")
-    widget.addTab(web_console1, "Console 1")
-    widget.addTab(web_console2, "Console 2")
-    widget.addTab(web_console3, "Console 3 -- mirror of Console 1")
-    widget.show()
-
-    # Demonstrate page sharing:
-    # After initialization, web_console2 can take ownership of console1's page:
-    # web_console2.take_page_ownership("console1")
-
-    widget.resize(800, 600)
-
-    def _close_cons1():
-        web_console2.close()
-        web_console2.deleteLater()
-
-    # QTimer.singleShot(3000, _close_cons1)
-
-    sys.exit(app.exec_())

bec_widgets/widgets/editors/web_console/web_console.pyproject

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

bec_widgets/widgets/plots/heatmap/heatmap.py

@@ -19,8 +19,8 @@ from scipy.interpolate import (
 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.colors import Colors
 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

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

@@ -4,9 +4,9 @@ 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
+from bec_widgets.utils.ui_loader import UILoader
 
 
 class HeatmapSettings(SettingWidget):

bec_widgets/widgets/plots/image/image.py

@@ -10,7 +10,7 @@ from pydantic import BaseModel, Field, field_validator
 from qtpy.QtCore import QTimer
 from qtpy.QtWidgets import QWidget
 
-from bec_widgets.utils import ConnectionConfig
+from bec_widgets.utils.bec_connector import ConnectionConfig
 from bec_widgets.utils.colors import Colors, apply_theme
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
 from bec_widgets.widgets.plots.image.image_base import ImageBase
@@ -270,6 +270,16 @@ class Image(ImageBase):
             return
 
         old_device = self._config.device
+        old_signal = self._config.signal
+        old_config = self.subscriptions["main"]
+        if old_device and old_signal and old_device != value:
+            self._disconnect_monitor_subscription(
+                device=old_device,
+                signal=old_signal,
+                source=old_config.source,
+                async_update=self.async_update,
+                async_signal_name=old_config.async_signal_name,
+            )
         self._config.device = value
 
         # If we have a signal, reconnect with the new device
@@ -325,6 +335,16 @@ class Image(ImageBase):
                 self._set_connection_status("disconnected")
             return
 
+        old_signal = self._config.signal
+        old_config = self.subscriptions["main"]
+        if self._config.device and old_signal and old_signal != value:
+            self._disconnect_monitor_subscription(
+                device=self._config.device,
+                signal=old_signal,
+                source=old_config.source,
+                async_update=self.async_update,
+                async_signal_name=old_config.async_signal_name,
+            )
         self._config.signal = value
 
         # If we have a device, try to connect
@@ -447,6 +467,61 @@ class Image(ImageBase):
         )
         self._autorange_on_next_update = True
 
+    def _disconnect_monitor_subscription(
+        self,
+        *,
+        device: str,
+        signal: str,
+        source: Literal["device_monitor_1d", "device_monitor_2d"] | None,
+        async_update: bool,
+        async_signal_name: str | None,
+    ) -> None:
+        if not device or not signal:
+            return
+
+        if async_update:
+            async_signal_name = async_signal_name or signal
+            ids_to_check = [self.scan_id, self.old_scan_id]
+
+            if source == "device_monitor_1d":
+                for scan_id in ids_to_check:
+                    if scan_id is None:
+                        continue
+                    self.bec_dispatcher.disconnect_slot(
+                        self.on_image_update_1d,
+                        MessageEndpoints.device_async_signal(scan_id, device, async_signal_name),
+                    )
+                    logger.info(
+                        f"Disconnecting 1d update ScanID:{scan_id}, Device Name:{device},Device Entry:{async_signal_name}"
+                    )
+            elif source == "device_monitor_2d":
+                for scan_id in ids_to_check:
+                    if scan_id is None:
+                        continue
+                    self.bec_dispatcher.disconnect_slot(
+                        self.on_image_update_2d,
+                        MessageEndpoints.device_async_signal(scan_id, device, async_signal_name),
+                    )
+                    logger.info(
+                        f"Disconnecting 2d update ScanID:{scan_id}, Device Name:{device},Device Entry:{async_signal_name}"
+                    )
+            return
+
+        if source == "device_monitor_1d":
+            self.bec_dispatcher.disconnect_slot(
+                self.on_image_update_1d, MessageEndpoints.device_preview(device, signal)
+            )
+            logger.info(
+                f"Disconnecting preview 1d update Device Name:{device}, Device Entry:{signal}"
+            )
+        elif source == "device_monitor_2d":
+            self.bec_dispatcher.disconnect_slot(
+                self.on_image_update_2d, MessageEndpoints.device_preview(device, signal)
+            )
+            logger.info(
+                f"Disconnecting preview 2d update Device Name:{device}, Device Entry:{signal}"
+            )
+
     def _disconnect_current_monitor(self):
         """
         Internal method to disconnect the current monitor subscriptions.
@@ -455,55 +530,13 @@ class Image(ImageBase):
             return
 
         config = self.subscriptions["main"]
-
-        if self.async_update:
-            async_signal_name = config.async_signal_name or self._config.signal
-            ids_to_check = [self.scan_id, self.old_scan_id]
-
-            if config.source == "device_monitor_1d":
-                for scan_id in ids_to_check:
-                    if scan_id is None:
-                        continue
-                    self.bec_dispatcher.disconnect_slot(
-                        self.on_image_update_1d,
-                        MessageEndpoints.device_async_signal(
-                            scan_id, self._config.device, async_signal_name
-                        ),
-                    )
-                    logger.info(
-                        f"Disconnecting 1d update ScanID:{scan_id}, Device Name:{self._config.device},Device Entry:{async_signal_name}"
-                    )
-            elif config.source == "device_monitor_2d":
-                for scan_id in ids_to_check:
-                    if scan_id is None:
-                        continue
-                    self.bec_dispatcher.disconnect_slot(
-                        self.on_image_update_2d,
-                        MessageEndpoints.device_async_signal(
-                            scan_id, self._config.device, async_signal_name
-                        ),
-                    )
-                    logger.info(
-                        f"Disconnecting 2d update ScanID:{scan_id}, Device Name:{self._config.device},Device Entry:{async_signal_name}"
-                    )
-
-        else:
-            if config.source == "device_monitor_1d":
-                self.bec_dispatcher.disconnect_slot(
-                    self.on_image_update_1d,
-                    MessageEndpoints.device_preview(self._config.device, self._config.signal),
-                )
-                logger.info(
-                    f"Disconnecting preview 1d update Device Name:{self._config.device}, Device Entry:{self._config.signal}"
-                )
-            elif config.source == "device_monitor_2d":
-                self.bec_dispatcher.disconnect_slot(
-                    self.on_image_update_2d,
-                    MessageEndpoints.device_preview(self._config.device, self._config.signal),
-                )
-                logger.info(
-                    f"Disconnecting preview 2d update Device Name:{self._config.device}, Device Entry:{self._config.signal}"
-                )
+        self._disconnect_monitor_subscription(
+            device=self._config.device,
+            signal=self._config.signal,
+            source=config.source,
+            async_update=self.async_update,
+            async_signal_name=config.async_signal_name,
+        )
 
         # Reset async state
         self.async_update = False
@@ -860,45 +893,19 @@ class Image(ImageBase):
             logger.warning("Cannot disconnect monitor without both device and signal")
             return
 
-        if self.async_update:
-            async_signal_name = config.async_signal_name or target_entry
-            ids_to_check = [self.scan_id, self.old_scan_id]
-            if config.source == "device_monitor_1d":
-                for scan_id in ids_to_check:
-                    if scan_id is None:
-                        continue
-                    self.bec_dispatcher.disconnect_slot(
-                        self.on_image_update_1d,
-                        MessageEndpoints.device_async_signal(
-                            scan_id, target_device, async_signal_name
-                        ),
-                    )
-            elif config.source == "device_monitor_2d":
-                for scan_id in ids_to_check:
-                    if scan_id is None:
-                        continue
-                    self.bec_dispatcher.disconnect_slot(
-                        self.on_image_update_2d,
-                        MessageEndpoints.device_async_signal(
-                            scan_id, target_device, async_signal_name
-                        ),
-                    )
-        else:
-            if config.source == "device_monitor_1d":
-                self.bec_dispatcher.disconnect_slot(
-                    self.on_image_update_1d,
-                    MessageEndpoints.device_preview(target_device, target_entry),
-                )
-            elif config.source == "device_monitor_2d":
-                self.bec_dispatcher.disconnect_slot(
-                    self.on_image_update_2d,
-                    MessageEndpoints.device_preview(target_device, target_entry),
-                )
-            else:
-                logger.warning(
-                    f"Cannot disconnect monitor {target_device}.{target_entry} with source {self.subscriptions['main'].source}"
-                )
-                return
+        if config.source not in {"device_monitor_1d", "device_monitor_2d"}:
+            logger.warning(
+                f"Cannot disconnect monitor {target_device}.{target_entry} with source {self.subscriptions['main'].source}"
+            )
+            return
+
+        self._disconnect_monitor_subscription(
+            device=target_device,
+            signal=target_entry,
+            source=config.source,
+            async_update=self.async_update,
+            async_signal_name=config.async_signal_name,
+        )
 
         self.subscriptions["main"].async_signal_name = None
         self.async_update = False

bec_widgets/widgets/plots/image/image_base.py

@@ -9,7 +9,7 @@ from pydantic import BaseModel, ConfigDict, Field, ValidationError
 from qtpy.QtCore import QPointF, Signal, SignalInstance
 from qtpy.QtWidgets import QDialog, QVBoxLayout
 
-from bec_widgets.utils import Colors
+from bec_widgets.utils.colors import Colors
 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

bec_widgets/widgets/plots/image/image_item.py

@@ -9,7 +9,8 @@ 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.utils.bec_connector import BECConnector, ConnectionConfig
+from bec_widgets.utils.colors import Colors
 from bec_widgets.widgets.plots.image.image_processor import (
     ImageProcessor,
     ImageStats,

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

@@ -20,7 +20,8 @@ from qtpy.QtWidgets import (
 )
 
 from bec_widgets import BECWidget
-from bec_widgets.utils import BECDispatcher, ConnectionConfig
+from bec_widgets.utils.bec_connector import ConnectionConfig
+from bec_widgets.utils.bec_dispatcher import BECDispatcher
 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

bec_widgets/widgets/plots/motor_map/motor_map.py

@@ -10,8 +10,8 @@ from qtpy.QtCore import Signal
 from qtpy.QtGui import QColor
 from qtpy.QtWidgets import QHBoxLayout, QMainWindow, QWidget
 
-from bec_widgets.utils import Colors, ConnectionConfig
-from bec_widgets.utils.colors import apply_theme
+from bec_widgets.utils.bec_connector import ConnectionConfig
+from bec_widgets.utils.colors import Colors, apply_theme
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
 from bec_widgets.utils.settings_dialog import SettingsDialog
 from bec_widgets.utils.toolbars.toolbar import MaterialIconAction

bec_widgets/widgets/plots/motor_map/settings/motor_map_settings.py

@@ -2,9 +2,9 @@ import os
 
 from qtpy.QtWidgets import QFrame, QScrollArea, QVBoxLayout, QWidget
 
-from bec_widgets.utils import UILoader
 from bec_widgets.utils.error_popups import SafeSlot
 from bec_widgets.utils.settings_dialog import SettingWidget
+from bec_widgets.utils.ui_loader import UILoader
 from bec_widgets.utils.widget_io import WidgetIO
 
 

bec_widgets/widgets/plots/multi_waveform/multi_waveform.py

@@ -10,7 +10,8 @@ from pydantic import Field, ValidationError, field_validator
 from qtpy.QtCore import Signal
 from qtpy.QtWidgets import QWidget
 
-from bec_widgets.utils import Colors, ConnectionConfig
+from bec_widgets.utils.bec_connector import ConnectionConfig
+from bec_widgets.utils.colors import Colors
 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

bec_widgets/widgets/plots/multi_waveform/settings/control_panel.py

@@ -2,9 +2,9 @@ import os
 
 from qtpy.QtWidgets import QVBoxLayout, QWidget
 
-from bec_widgets.utils import UILoader
 from bec_widgets.utils.error_popups import SafeSlot
 from bec_widgets.utils.settings_dialog import SettingWidget
+from bec_widgets.utils.ui_loader import UILoader
 from bec_widgets.utils.widget_io import WidgetIO
 
 

bec_widgets/widgets/plots/plot_base.py

@@ -8,8 +8,10 @@ from bec_lib import bec_logger
 from qtpy.QtCore import QPoint, QPointF, Qt, Signal
 from qtpy.QtWidgets import QHBoxLayout, QLabel, QMainWindow, QVBoxLayout, QWidget
 
-from bec_widgets.utils import ConnectionConfig, Crosshair, EntryValidator
+from bec_widgets.utils.bec_connector import ConnectionConfig
 from bec_widgets.utils.bec_widget import BECWidget
+from bec_widgets.utils.crosshair import Crosshair
+from bec_widgets.utils.entry_validator import EntryValidator
 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

bec_widgets/widgets/plots/roi/image_roi.py

@@ -10,7 +10,7 @@ from qtpy import QtCore
 from qtpy.QtCore import QObject, Signal
 
 from bec_widgets import SafeProperty
-from bec_widgets.utils import BECConnector, ConnectionConfig
+from bec_widgets.utils.bec_connector import BECConnector, ConnectionConfig
 from bec_widgets.utils.colors import Colors
 
 if TYPE_CHECKING:

bec_widgets/widgets/plots/scatter_waveform/scatter_curve.py

@@ -8,7 +8,8 @@ from bec_lib import bec_logger
 from pydantic import BaseModel, Field, ValidationError, field_validator
 from qtpy import QtCore
 
-from bec_widgets.utils import BECConnector, Colors, ConnectionConfig
+from bec_widgets.utils.bec_connector import BECConnector, ConnectionConfig
+from bec_widgets.utils.colors import Colors
 
 if TYPE_CHECKING:  # pragma: no cover
     from bec_widgets.widgets.plots.scatter_waveform.scatter_waveform import ScatterWaveform

bec_widgets/widgets/plots/scatter_waveform/scatter_waveform.py

@@ -7,7 +7,8 @@ from pydantic import Field, ValidationError, field_validator
 from qtpy.QtCore import QTimer, Signal
 from qtpy.QtWidgets import QHBoxLayout, QMainWindow, QWidget
 
-from bec_widgets.utils import Colors, ConnectionConfig
+from bec_widgets.utils.bec_connector import ConnectionConfig
+from bec_widgets.utils.colors import Colors
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
 from bec_widgets.utils.settings_dialog import SettingsDialog
 from bec_widgets.utils.toolbars.toolbar import MaterialIconAction

bec_widgets/widgets/plots/scatter_waveform/settings/scatter_curve_setting.py

@@ -2,9 +2,9 @@ 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
+from bec_widgets.utils.ui_loader import UILoader
 
 
 class ScatterCurveSettings(SettingWidget):

bec_widgets/widgets/plots/setting_menus/axis_settings.py

@@ -2,9 +2,9 @@ import os
 
 from qtpy.QtWidgets import QFrame, QScrollArea, QVBoxLayout, QWidget
 
-from bec_widgets.utils import UILoader
 from bec_widgets.utils.error_popups import SafeSlot
 from bec_widgets.utils.settings_dialog import SettingWidget
+from bec_widgets.utils.ui_loader import UILoader
 from bec_widgets.utils.widget_io import WidgetIO
 
 

bec_widgets/widgets/plots/waveform/curve.py

@@ -8,7 +8,8 @@ from bec_lib import bec_logger
 from pydantic import BaseModel, Field, field_validator
 from qtpy import QtCore
 
-from bec_widgets.utils import BECConnector, Colors, ConnectionConfig
+from bec_widgets.utils.bec_connector import BECConnector, ConnectionConfig
+from bec_widgets.utils.colors import Colors
 
 if TYPE_CHECKING:  # pragma: no cover
     from bec_widgets.widgets.plots.waveform.waveform import Waveform
@@ -22,8 +23,9 @@ class DeviceSignal(BaseModel):
 
     device: str
     signal: str
-    dap: str | None = None
+    dap: str | list[str] | None = None
     dap_oversample: int = 1
+    dap_parameters: dict | list | None = None
 
     model_config: dict = {"validate_assignment": True}
 

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

@@ -50,9 +50,10 @@ from qtpy.QtWidgets import (
 )
 
 from bec_widgets import SafeSlot
-from bec_widgets.utils import ConnectionConfig, EntryValidator
+from bec_widgets.utils.bec_connector import ConnectionConfig
 from bec_widgets.utils.bec_widget import BECWidget
 from bec_widgets.utils.colors import Colors
+from bec_widgets.utils.entry_validator import EntryValidator
 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

bec_widgets/widgets/plots/waveform/utils/alignment_controller.py

@@ -0,0 +1,345 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+import pyqtgraph as pg
+from qtpy.QtCore import QObject, Qt, Signal
+from qtpy.QtGui import QColor
+
+from bec_widgets.utils.colors import get_accent_colors, get_theme_name
+from bec_widgets.utils.error_popups import SafeSlot
+from bec_widgets.widgets.plots.waveform.utils.alignment_panel import WaveformAlignmentPanel
+
+
+@dataclass(slots=True)
+class AlignmentContext:
+    """Alignment state produced by `Waveform` and consumed by the controller.
+
+    Attributes:
+        visible: Whether alignment mode is currently visible.
+        positioner_name: Name of the resolved x-axis positioner, if available.
+        precision: Decimal precision to use for readback and target labels.
+        limits: Optional positioner limits for the draggable target line.
+        readback: Current cached positioner readback value.
+        has_dap_curves: Whether the waveform currently contains any DAP curves.
+        force_readback: Whether the embedded positioner should refresh its readback immediately.
+    """
+
+    visible: bool
+    positioner_name: str | None
+    precision: int = 3
+    limits: tuple[float, float] | None = None
+    readback: float | None = None
+    has_dap_curves: bool = False
+    force_readback: bool = False
+
+
+class WaveformAlignmentController(QObject):
+    """Own the alignment plot overlays and synchronize them with the alignment panel."""
+
+    move_absolute_requested = Signal(float)
+    autoscale_requested = Signal()
+
+    def __init__(self, plot_item: pg.PlotItem, panel: WaveformAlignmentPanel, parent=None):
+        super().__init__(parent=parent)
+        self._plot_item = plot_item
+        self._panel = panel
+
+        self._visible = False
+        self._positioner_name: str | None = None
+        self._precision = 3
+        self._limits: tuple[float, float] | None = None
+        self._readback: float | None = None
+        self._marker_line: pg.InfiniteLine | None = None
+        self._target_line: pg.InfiniteLine | None = None
+
+        self._panel.position_readback_changed.connect(self.update_position)
+        self._panel.target_toggled.connect(self._on_target_toggled)
+        self._panel.target_move_requested.connect(self._on_target_move_requested)
+        self._panel.fit_selection_changed.connect(self._on_fit_selection_changed)
+        self._panel.fit_center_requested.connect(self._on_fit_center_requested)
+
+    @property
+    def marker_line(self) -> pg.InfiniteLine | None:
+        """Return the current-position indicator line, if it exists."""
+        return self._marker_line
+
+    @property
+    def target_line(self) -> pg.InfiniteLine | None:
+        """Return the draggable target indicator line, if it exists."""
+        return self._target_line
+
+    def update_context(self, context: AlignmentContext):
+        """Apply waveform-owned alignment context to the panel and plot overlays.
+
+        Args:
+            context: Snapshot of the current alignment-relevant waveform/device state.
+        """
+        previous_name = self._positioner_name
+        self._visible = context.visible
+        self._positioner_name = context.positioner_name
+        self._precision = context.precision
+        self._limits = context.limits
+        self._readback = context.readback
+
+        self._panel.set_positioner_device(context.positioner_name)
+        self._panel.set_positioner_enabled(context.visible and context.positioner_name is not None)
+        self._panel.set_status_message(self._status_message_for_context(context))
+
+        if context.positioner_name is None or not context.visible:
+            self.clear()
+            self._refresh_fit_actions()
+            self._refresh_target_controls()
+            return
+
+        if previous_name != context.positioner_name:
+            self._clear_marker()
+            if self._panel.target_active:
+                self._clear_target_line()
+
+        if context.readback is not None:
+            self.update_position(context.readback)
+
+        if self._panel.target_active:
+            if previous_name != context.positioner_name or self._target_line is None:
+                self._show_target_line()
+            else:
+                self._refresh_target_line_metadata()
+                self._on_target_line_changed()
+
+        if context.force_readback or previous_name != context.positioner_name:
+            self._panel.force_positioner_readback()
+
+        self._refresh_fit_actions()
+        self._refresh_target_controls()
+
+    @SafeSlot(float)
+    def update_position(self, position: float):
+        """Update the live position marker from a positioner readback value.
+
+        Args:
+            position: Current absolute position of the active alignment positioner.
+        """
+        self._readback = float(position)
+        if not self._visible or self._positioner_name is None:
+            self._clear_marker()
+            return
+
+        self._ensure_marker()
+        self._marker_line.setValue(self._readback)
+        self._marker_line.label.setText(
+            f"{self._positioner_name}: {self._readback:.{self._precision}f}"
+        )
+        self.autoscale_requested.emit()
+
+    @SafeSlot(dict, dict)
+    def update_dap_summary(self, data: dict, metadata: dict):
+        """Forward DAP summary updates into the alignment fit panel.
+
+        Args:
+            data: DAP fit summary payload.
+            metadata: Metadata describing the emitting DAP curve.
+        """
+        self._panel.update_dap_summary(data, metadata)
+        self._refresh_fit_actions()
+
+    @SafeSlot(str)
+    def remove_dap_curve(self, curve_id: str):
+        """Remove a deleted DAP curve from the alignment fit selection state.
+
+        Args:
+            curve_id: Label of the DAP curve that was removed from the waveform.
+        """
+        self._panel.remove_dap_curve(curve_id)
+        self._panel.clear_fit_selection_if_missing()
+        self._refresh_fit_actions()
+
+    def clear(self):
+        """Remove alignment overlay items from the plot and reset target state."""
+        self._clear_marker()
+        self._clear_target_line()
+
+    def cleanup(self):
+        """Disconnect panel signals and remove all controller-owned overlay items."""
+        self.clear()
+        self._disconnect_panel_signals()
+
+    def refresh_theme_colors(self):
+        """Reapply theme-aware styling to any existing alignment overlay items."""
+        self._apply_marker_style()
+        self._apply_target_style()
+
+    def _disconnect_panel_signals(self):
+        signal_pairs = [
+            (self._panel.position_readback_changed, self.update_position),
+            (self._panel.target_toggled, self._on_target_toggled),
+            (self._panel.target_move_requested, self._on_target_move_requested),
+            (self._panel.fit_selection_changed, self._on_fit_selection_changed),
+            (self._panel.fit_center_requested, self._on_fit_center_requested),
+        ]
+        for signal, slot in signal_pairs:
+            try:
+                signal.disconnect(slot)
+            except (RuntimeError, TypeError):
+                continue
+
+    def _selected_fit_has_center(self) -> bool:
+        data = self._panel.selected_fit_summary()
+        params = data.get("params", []) if isinstance(data, dict) else []
+        return any(param[0] == "center" for param in params if param)
+
+    @staticmethod
+    def _status_message_for_context(context: AlignmentContext) -> str | None:
+        if context.positioner_name is None:
+            return "Alignment mode requires a positioner on the x axis."
+        if not context.has_dap_curves:
+            return "Add a DAP curve in Curve Settings to enable alignment fitting."
+        return None
+
+    def _refresh_fit_actions(self):
+        self._panel.set_fit_actions_enabled(
+            self._visible and self._positioner_name is not None and self._selected_fit_has_center()
+        )
+
+    def _refresh_target_controls(self):
+        has_positioner = self._visible and self._positioner_name is not None
+        self._panel.set_target_enabled(has_positioner)
+        self._panel.set_target_move_enabled(has_positioner and self._target_line is not None)
+        if self._target_line is None:
+            self._panel.set_target_value(None)
+
+    def _ensure_marker(self):
+        if self._marker_line is not None:
+            return
+
+        warning = get_accent_colors().warning
+
+        self._marker_line = pg.InfiniteLine(
+            angle=90,
+            movable=False,
+            pen=pg.mkPen(warning, width=4),
+            label="",
+            labelOpts={"position": 0.95, "color": warning},
+        )
+        self._apply_marker_style()
+        self._plot_item.addItem(self._marker_line)
+
+    def _clear_marker(self):
+        if self._marker_line is None:
+            return
+        self._plot_item.removeItem(self._marker_line)
+        self._marker_line = None
+
+    def _show_target_line(self):
+        if not self._visible or self._positioner_name is None:
+            return
+
+        if self._target_line is None:
+            accent_colors = get_accent_colors()
+            label = f"{self._positioner_name} target={{value:0.{self._precision}f}}"
+            self._target_line = pg.InfiniteLine(
+                movable=True,
+                angle=90,
+                pen=pg.mkPen(accent_colors.default, width=2, style=Qt.PenStyle.DashLine),
+                hoverPen=pg.mkPen(accent_colors.success, width=2),
+                label=label,
+                labelOpts={"movable": True, "color": accent_colors.default},
+            )
+            self._target_line.sigPositionChanged.connect(self._on_target_line_changed)
+            self._apply_target_style()
+            self._plot_item.addItem(self._target_line)
+        self._refresh_target_line_metadata()
+
+        value = 0.0 if self._readback is None else self._readback
+        if self._limits is not None:
+            value = min(max(value, self._limits[0]), self._limits[1])
+        self._target_line.setValue(value)
+        self._on_target_line_changed()
+        self.autoscale_requested.emit()
+
+    def _refresh_target_line_metadata(self):
+        if self._target_line is None or self._positioner_name is None:
+            return
+        self._apply_target_style()
+        self._target_line.label.setFormat(
+            f"{self._positioner_name} target={{value:0.{self._precision}f}}"
+        )
+        if self._limits is not None:
+            self._target_line.setBounds(list(self._limits))
+        else:
+            self._target_line.setBounds((None, None))
+        if self._limits is not None:
+            current_value = float(self._target_line.value())
+            clamped_value = min(max(current_value, self._limits[0]), self._limits[1])
+            if clamped_value != current_value:
+                self._target_line.setValue(clamped_value)
+
+    def _clear_target_line(self):
+        if self._target_line is not None:
+            try:
+                self._target_line.sigPositionChanged.disconnect(self._on_target_line_changed)
+            except (RuntimeError, TypeError):
+                pass
+            self._plot_item.removeItem(self._target_line)
+            self._target_line = None
+        self._panel.set_target_value(None)
+
+    def _apply_marker_style(self):
+        if self._marker_line is None:
+            return
+
+        accent_colors = get_accent_colors()
+        warning = accent_colors.warning
+
+        self._marker_line.setPen(pg.mkPen(warning, width=4))
+        self._marker_line.label.setColor(warning)
+        self._marker_line.label.fill = pg.mkBrush(self._label_fill_color())
+
+    def _apply_target_style(self):
+        if self._target_line is None:
+            return
+
+        accent_colors = get_accent_colors()
+        default = accent_colors.default
+        success = accent_colors.success
+
+        self._target_line.setPen(pg.mkPen(default, width=2, style=Qt.PenStyle.DashLine))
+        self._target_line.setHoverPen(pg.mkPen(success, width=2))
+        self._target_line.label.setColor(default)
+        self._target_line.label.fill = pg.mkBrush(self._label_fill_color())
+
+    @staticmethod
+    def _label_fill_color() -> QColor:
+        if get_theme_name() == "light":
+            return QColor(244, 244, 244, 228)
+        return QColor(48, 48, 48, 210)
+
+    @SafeSlot(bool)
+    def _on_target_toggled(self, checked: bool):
+        if checked:
+            self._show_target_line()
+        else:
+            self._clear_target_line()
+        self._refresh_target_controls()
+
+    @SafeSlot(object)
+    def _on_target_line_changed(self, _line=None):
+        if self._target_line is None:
+            return
+        self._panel.set_target_value(float(self._target_line.value()), precision=self._precision)
+        self._refresh_target_controls()
+        self.autoscale_requested.emit()
+
+    @SafeSlot()
+    def _on_target_move_requested(self):
+        if self._visible and self._positioner_name is not None and self._target_line is not None:
+            self.move_absolute_requested.emit(float(self._target_line.value()))
+
+    @SafeSlot(str)
+    def _on_fit_selection_changed(self, _curve_id: str):
+        self._refresh_fit_actions()
+
+    @SafeSlot(float)
+    def _on_fit_center_requested(self, value: float):
+        if self._visible and self._positioner_name is not None:
+            self.move_absolute_requested.emit(float(value))

bec_widgets/widgets/plots/waveform/utils/alignment_panel.py

@@ -0,0 +1,285 @@
+from __future__ import annotations
+
+from qtpy.QtCore import Qt, Signal
+from qtpy.QtGui import QColor
+from qtpy.QtWidgets import (
+    QCheckBox,
+    QGridLayout,
+    QGroupBox,
+    QHBoxLayout,
+    QLabel,
+    QPushButton,
+    QSizePolicy,
+    QWidget,
+)
+
+from bec_widgets.utils.colors import get_accent_colors, get_theme_name
+from bec_widgets.widgets.control.device_control.positioner_box.positioner_control_line.positioner_control_line import (
+    PositionerControlLine,
+)
+from bec_widgets.widgets.dap.lmfit_dialog.lmfit_dialog import LMFitDialog
+
+
+class WaveformAlignmentPanel(QWidget):
+    """Compact bottom panel used by Waveform alignment mode."""
+
+    position_readback_changed = Signal(float)
+    target_toggled = Signal(bool)
+    target_move_requested = Signal()
+    fit_selection_changed = Signal(str)
+    fit_center_requested = Signal(float)
+
+    def __init__(self, parent=None, client=None, gui_id: str | None = None, **kwargs):
+        super().__init__(parent=parent, **kwargs)
+        self.setProperty("skip_settings", True)
+
+        self.positioner = PositionerControlLine(parent=self, client=client, gui_id=gui_id)
+        self.positioner.hide_device_selection = True
+
+        self.fit_dialog = LMFitDialog(
+            parent=self, client=client, gui_id=gui_id, ui_file="lmfit_dialog_compact.ui"
+        )
+        self.fit_dialog.active_action_list = ["center"]
+        self.fit_dialog.enable_actions = False
+
+        self.target_toggle = QCheckBox("Target: --", parent=self)
+        self.move_to_target_button = QPushButton("Move To Target", parent=self)
+        self.move_to_target_button.setEnabled(False)
+        self.target_group = QGroupBox("Target Position", parent=self)
+
+        self.status_label = QLabel(parent=self)
+        self.status_label.setWordWrap(False)
+        self.status_label.setAlignment(
+            Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignVCenter
+        )
+        self.status_label.setSizePolicy(QSizePolicy.Policy.Maximum, QSizePolicy.Policy.Fixed)
+        self.status_label.setMaximumHeight(28)
+        self.status_label.setVisible(False)
+
+        self._init_ui()
+        self.fit_dialog.setMinimumHeight(0)
+        self.target_group.setSizePolicy(QSizePolicy.Policy.Fixed, QSizePolicy.Policy.Fixed)
+        self._sync_target_group_size()
+        self.refresh_theme_colors()
+        self._connect_signals()
+
+    def _connect_signals(self):
+        self.positioner.position_update.connect(self.position_readback_changed)
+        self.target_toggle.toggled.connect(self.target_toggled)
+        self.move_to_target_button.clicked.connect(self.target_move_requested)
+        self.fit_dialog.selected_fit.connect(self.fit_selection_changed)
+        self.fit_dialog.move_action.connect(self._forward_fit_move_action)
+
+    def _init_ui(self):
+        self.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Preferred)
+        self.setMinimumHeight(260)
+
+        root = QGridLayout(self)
+        root.setContentsMargins(8, 8, 8, 8)
+        root.setSpacing(8)
+
+        self.fit_dialog.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Preferred)
+        root.addWidget(
+            self.status_label,
+            0,
+            0,
+            1,
+            2,
+            alignment=Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignVCenter,
+        )
+        root.addWidget(self.fit_dialog, 1, 0, 1, 2)
+
+        target_layout = QHBoxLayout(self.target_group)
+        target_layout.addWidget(self.target_toggle)
+        target_layout.addWidget(self.move_to_target_button)
+
+        root.addWidget(self.positioner, 2, 0, alignment=Qt.AlignmentFlag.AlignTop)
+        root.addWidget(self.target_group, 2, 1, alignment=Qt.AlignmentFlag.AlignTop)
+        root.setColumnStretch(0, 1)
+        root.setColumnStretch(1, 0)
+        root.setRowStretch(1, 1)
+
+    def _sync_target_group_size(self):
+        representative_text = "Target: -99999.999"
+        label_width = max(
+            self.target_toggle.sizeHint().width(),
+            self.target_toggle.fontMetrics().horizontalAdvance(representative_text) + 24,
+        )
+        self.target_toggle.setMinimumWidth(label_width)
+
+        # To make those two box the same height
+        target_height = max(
+            self.positioner.height(),
+            self.positioner.ui.device_box.minimumSizeHint().height(),
+            self.positioner.ui.device_box.sizeHint().height(),
+        )
+        self.target_group.setFixedHeight(target_height)
+        self.target_group.setFixedWidth(self.target_group.sizeHint().width() + 16)
+
+    def showEvent(self, event):
+        super().showEvent(event)
+        self._sync_target_group_size()
+
+    def resizeEvent(self, event):
+        super().resizeEvent(event)
+        self._sync_target_group_size()
+
+    def set_status_message(self, text: str | None):
+        """Show or hide the alignment status pill.
+
+        Args:
+            text: Message to display. Pass `None` or an empty string to hide the pill.
+        """
+
+        text = text or ""
+        self.status_label.setText(text)
+        self.status_label.setVisible(bool(text))
+
+    @staticmethod
+    def _qcolor_to_rgba(color: QColor, alpha: int | None = None) -> str:
+        if alpha is not None:
+            color = QColor(color)
+            color.setAlpha(alpha)
+        return f"rgba({color.red()}, {color.green()}, {color.blue()}, {color.alpha()})"
+
+    def refresh_theme_colors(self):
+        """Apply theme-aware accent styling to the status pill."""
+        warning = get_accent_colors().warning
+        is_light = get_theme_name() == "light"
+        text_color = "#202124" if is_light else warning.name()
+        fill_alpha = 72 if is_light else 48
+        border_alpha = 220 if is_light else 160
+
+        self.status_label.setStyleSheet(f"""
+            QLabel {{
+                background-color: {self._qcolor_to_rgba(warning, fill_alpha)};
+                border: 1px solid {self._qcolor_to_rgba(warning, border_alpha)};
+                border-radius: 12px;
+                padding: 4px 10px;
+                color: {text_color};
+            }}
+        """)
+
+    def set_positioner_device(self, device: str | None):
+        """Bind the embedded positioner control to a fixed device.
+
+        Args:
+            device: Name of the positioner device to display, or `None` to clear it.
+        """
+        if device is None:
+            self.positioner.ui.device_box.setTitle("No positioner selected")
+            return
+        if self.positioner.device != device:
+            self.positioner.set_positioner(device)
+        self.positioner.hide_device_selection = True
+
+    def set_positioner_enabled(self, enabled: bool):
+        """Enable or disable the embedded positioner widget.
+
+        Args:
+            enabled: Whether the positioner widget should accept interaction.
+        """
+        self.positioner.setEnabled(enabled)
+
+    def force_positioner_readback(self):
+        """Trigger an immediate readback refresh on the embedded positioner widget."""
+        self.positioner.force_update_readback()
+
+    def set_target_enabled(self, enabled: bool):
+        """Enable or disable the target-line toggle.
+
+        Args:
+            enabled: Whether the target toggle should accept interaction.
+        """
+        self.target_toggle.setEnabled(enabled)
+
+    def set_target_move_enabled(self, enabled: bool):
+        """Enable or disable the move-to-target button.
+
+        Args:
+            enabled: Whether the move button should accept interaction.
+        """
+        self.move_to_target_button.setEnabled(enabled)
+
+    def set_target_active(self, active: bool):
+        """Programmatically toggle the draggable target-line state.
+
+        Args:
+            active: Whether the target line should be considered active.
+        """
+        blocker = self.target_toggle.blockSignals(True)
+        self.target_toggle.setChecked(active)
+        self.target_toggle.blockSignals(blocker)
+        if not active:
+            self.set_target_value(None)
+
+    def set_target_value(self, value: float | None, precision: int = 3) -> None:
+        """
+        Update the target checkbox label for the draggable target line.
+
+        Args:
+            value(float | None): The target value to display. If None, the label will show "--".
+            precision(int): The number of decimal places to display for the target value.
+        """
+        if value is None or not self.target_toggle.isChecked():
+            self.target_toggle.setText("Target: --")
+            return
+        self.target_toggle.setText(f"Target: {value:.{precision}f}")
+
+    def set_fit_actions_enabled(self, enabled: bool):
+        """Enable or disable LMFit action buttons in the embedded fit dialog.
+
+        Args:
+            enabled: Whether fit action buttons should be enabled.
+        """
+        self.fit_dialog.enable_actions = enabled
+
+    def update_dap_summary(self, data: dict, metadata: dict):
+        """Forward a DAP summary update into the embedded fit dialog.
+
+        Args:
+            data: DAP fit summary payload.
+            metadata: Metadata describing the emitting DAP curve.
+        """
+        self.fit_dialog.update_summary_tree(data, metadata)
+
+    def remove_dap_curve(self, curve_id: str):
+        """Remove DAP summary state for a deleted fit curve.
+
+        Args:
+            curve_id: Label of the DAP curve that should be removed.
+        """
+        self.fit_dialog.remove_dap_data(curve_id)
+
+    def clear_fit_selection_if_missing(self):
+        """Select a remaining fit curve if the current selection no longer exists."""
+        fit_curve_id = self.fit_dialog.fit_curve_id
+        if fit_curve_id is not None and fit_curve_id not in self.fit_dialog.summary_data:
+            remaining = list(self.fit_dialog.summary_data)
+            self.fit_dialog.fit_curve_id = remaining[0] if remaining else None
+
+    @property
+    def target_active(self) -> bool:
+        """Whether the target-line checkbox is currently checked."""
+        return self.target_toggle.isChecked()
+
+    @property
+    def selected_fit_curve_id(self) -> str | None:
+        """Return the currently selected fit curve label, if any."""
+        return self.fit_dialog.fit_curve_id
+
+    def selected_fit_summary(self) -> dict | None:
+        """Return the summary payload for the currently selected fit curve.
+
+        Returns:
+            The selected fit summary, or `None` if no fit curve is selected.
+        """
+        fit_curve_id = self.selected_fit_curve_id
+        if fit_curve_id is None:
+            return None
+        return self.fit_dialog.summary_data.get(fit_curve_id)
+
+    def _forward_fit_move_action(self, action: tuple[str, float]):
+        param_name, param_value = action
+        if param_name == "center":
+            self.fit_center_requested.emit(float(param_value))

bec_widgets/widgets/plots/waveform/waveform.py

@@ -1,13 +1,14 @@
 from __future__ import annotations
 
 import json
-from typing import Literal
+from typing import TYPE_CHECKING, Literal
 
-import lmfit
 import numpy as np
 import pyqtgraph as pg
 from bec_lib import bec_logger, messages
+from bec_lib.device import Positioner
 from bec_lib.endpoints import MessageEndpoints
+from bec_lib.lmfit_serializer import serialize_lmfit_params, serialize_param_object
 from bec_lib.scan_data_container import ScanDataContainer
 from pydantic import Field, ValidationError, field_validator
 from qtpy.QtCore import Qt, QTimer, Signal
@@ -24,23 +25,42 @@ from qtpy.QtWidgets import (
     QWidget,
 )
 
-from bec_widgets.utils import ConnectionConfig
+from bec_widgets.utils.bec_connector import ConnectionConfig
 from bec_widgets.utils.bec_signal_proxy import BECSignalProxy
 from bec_widgets.utils.colors import Colors, apply_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.side_panel import SidePanel
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
 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
 from bec_widgets.widgets.plots.waveform.settings.curve_settings.curve_setting import CurveSetting
+from bec_widgets.widgets.plots.waveform.utils.alignment_controller import (
+    AlignmentContext,
+    WaveformAlignmentController,
+)
+from bec_widgets.widgets.plots.waveform.utils.alignment_panel import WaveformAlignmentPanel
 from bec_widgets.widgets.plots.waveform.utils.roi_manager import WaveformROIManager
 from bec_widgets.widgets.services.scan_history_browser.scan_history_browser import (
     ScanHistoryBrowser,
 )
 
 logger = bec_logger.logger
+_DAP_PARAM = object()
+
+if TYPE_CHECKING:  # pragma: no cover
+    import lmfit  # type: ignore
+else:
+    try:
+        import lmfit  # type: ignore
+    except Exception as e:  # pragma: no cover
+        logger.warning(
+            f"lmfit could not be imported: {e}. Custom DAP functionality will be unavailable."
+        )
+        lmfit = None
 
 
 # noinspection PyDataclass
@@ -144,6 +164,12 @@ class Waveform(PlotBase):
             "label_suffix": "",
         }
         self._current_x_device: tuple[str, str] | None = None
+        self._alignment_panel_visible = False
+        self._alignment_side_panel: SidePanel | None = None
+        self._alignment_panel_index: int | None = None
+        self._alignment_panel: WaveformAlignmentPanel | None = None
+        self._alignment_controller: WaveformAlignmentController | None = None
+        self._alignment_positioner_name: str | None = None
 
         # Specific GUI elements
         self._init_roi_manager()
@@ -153,6 +179,7 @@ class Waveform(PlotBase):
         self._add_waveform_specific_popup()
         self._enable_roi_toolbar_action(False)  # default state where are no dap curves
         self._init_curve_dialog()
+        self._init_alignment_mode()
         self.curve_settings_dialog = None
 
         # Large‑dataset guard
@@ -183,7 +210,9 @@ 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"])
+        self.toolbar.show_bundles(
+            ["plot_export", "mouse_interaction", "roi", "alignment_mode", "axis_popup"]
+        )
 
     def _connect_viewbox_menu_actions(self):
         """Connect the viewbox menu action ViewAll to the custom reset_view method."""
@@ -209,6 +238,12 @@ class Waveform(PlotBase):
             theme(str, optional): The theme to be applied.
         """
         self._refresh_colors()
+        alignment_panel = getattr(self, "_alignment_panel", None)
+        alignment_controller = getattr(self, "_alignment_controller", None)
+        if alignment_panel is not None:
+            alignment_panel.refresh_theme_colors()
+        if alignment_controller is not None:
+            alignment_controller.refresh_theme_colors()
         super().apply_theme(theme)
 
     def add_side_menus(self):
@@ -218,6 +253,159 @@ class Waveform(PlotBase):
         super().add_side_menus()
         self._add_dap_summary_side_menu()
 
+    def _init_alignment_mode(self):
+        """
+        Initialize the top alignment panel.
+        """
+        self.toolbar.components.add_safe(
+            "alignment_mode",
+            MaterialIconAction(
+                icon_name="align_horizontal_center",
+                tooltip="Show Alignment Mode",
+                checkable=True,
+                parent=self,
+            ),
+        )
+        bundle = ToolbarBundle("alignment_mode", self.toolbar.components)
+        bundle.add_action("alignment_mode")
+        self.toolbar.add_bundle(bundle)
+        shown_bundles = list(self.toolbar.shown_bundles)
+        if "alignment_mode" not in shown_bundles:
+            shown_bundles.append("alignment_mode")
+            self.toolbar.show_bundles(shown_bundles)
+
+        self._alignment_side_panel = SidePanel(
+            parent=self, orientation="top", panel_max_width=320, show_toolbar=False
+        )
+        self.layout_manager.add_widget_relative(
+            self._alignment_side_panel,
+            self.round_plot_widget,
+            position="top",
+            shift_direction="down",
+        )
+
+        self._alignment_panel = WaveformAlignmentPanel(parent=self, client=self.client)
+        self._alignment_controller = WaveformAlignmentController(
+            self.plot_item, self._alignment_panel, parent=self
+        )
+        self._alignment_panel_index = self._alignment_side_panel.add_menu(
+            widget=self._alignment_panel
+        )
+        self._alignment_controller.move_absolute_requested.connect(self._move_alignment_positioner)
+        self._alignment_controller.autoscale_requested.connect(self._autoscale_alignment_indicators)
+        self.dap_summary_update.connect(self._alignment_controller.update_dap_summary)
+        self.toolbar.components.get_action("alignment_mode").action.toggled.connect(
+            self.toggle_alignment_mode
+        )
+
+        self._refresh_alignment_state()
+
+    @SafeSlot(bool)
+    def toggle_alignment_mode(self, checked: bool):
+        """
+        Show or hide the alignment panel.
+
+        Args:
+            checked(bool): Whether the panel should be visible.
+        """
+        if self._alignment_side_panel is None or self._alignment_panel_index is None:
+            return
+
+        self._alignment_panel_visible = checked
+        if checked:
+            self._alignment_side_panel.show_panel(self._alignment_panel_index)
+            self._refresh_alignment_state(force_readback=True)
+            self._refresh_dap_signals()
+        else:
+            self._alignment_side_panel.hide_panel()
+            self._refresh_alignment_state()
+
+    def _refresh_alignment_state(self, force_readback: bool = False):
+        """
+        Refresh the alignment panel state after waveform changes.
+
+        Args:
+            force_readback(bool): Force a positioner readback refresh.
+        """
+        if self._alignment_controller is None:
+            return
+
+        context = self._build_alignment_context(force_readback=force_readback)
+        self._alignment_positioner_name = context.positioner_name
+        self._alignment_controller.update_context(context)
+
+    def _resolve_alignment_positioner(self) -> str | None:
+        """
+        Resolve the active x-axis positioner for alignment mode.
+        """
+        if self.x_axis_mode["name"] in {"index", "timestamp"}:
+            return None
+
+        if self.x_axis_mode["name"] == "auto":
+            device_name = self._current_x_device[0] if self._current_x_device is not None else None
+        else:
+            device_name = self.x_axis_mode["name"]
+
+        if not device_name or device_name not in self.dev:
+            return None
+        if not isinstance(self.dev[device_name], Positioner):
+            return None
+        return device_name
+
+    def _build_alignment_context(self, force_readback: bool = False) -> AlignmentContext:
+        """Build controller-facing alignment context from waveform/device state."""
+        positioner_name = self._resolve_alignment_positioner()
+        if positioner_name is None:
+            return AlignmentContext(
+                visible=self._alignment_panel_visible,
+                positioner_name=None,
+                has_dap_curves=bool(self._dap_curves),
+                force_readback=force_readback,
+            )
+
+        precision = getattr(self.dev[positioner_name], "precision", 3)
+        try:
+            precision = int(precision)
+        except (TypeError, ValueError):
+            precision = 3
+
+        limits = getattr(self.dev[positioner_name], "limits", None)
+        parsed_limits: tuple[float, float] | None = None
+        if limits is not None and len(limits) == 2:
+            low, high = float(limits[0]), float(limits[1])
+            if low != 0 or high != 0:
+                if low > high:
+                    low, high = high, low
+                parsed_limits = (low, high)
+
+        data = self.dev[positioner_name].read(cached=True)
+        value = data.get(positioner_name, {}).get("value")
+        readback = None if value is None else float(value)
+
+        return AlignmentContext(
+            visible=self._alignment_panel_visible,
+            positioner_name=positioner_name,
+            precision=precision,
+            limits=parsed_limits,
+            readback=readback,
+            has_dap_curves=bool(self._dap_curves),
+            force_readback=force_readback,
+        )
+
+    @SafeSlot(float)
+    def _move_alignment_positioner(self, value: float):
+        """
+        Move the active alignment positioner to an absolute value requested by the controller.
+        """
+        if self._alignment_positioner_name is None:
+            return
+        self.dev[self._alignment_positioner_name].move(float(value), relative=False)
+
+    @SafeSlot()
+    def _autoscale_alignment_indicators(self):
+        """Autoscale the waveform view after alignment indicator updates."""
+        self._reset_view()
+
     def _add_waveform_specific_popup(self):
         """
         Add popups to the Waveform widget.
@@ -254,7 +442,7 @@ class Waveform(PlotBase):
         Due to setting clipToView to True on the curves, the autoRange() method
         of the ViewBox does no longer work as expected. This method deactivates the
         setClipToView for all curves, calls autoRange() to circumvent that issue.
-        Afterwards, it re-enables the setClipToView for all curves again.
+        Afterward, it re-enables the setClipToView for all curves again.
 
         It is hooked to the ViewAll action in the right-click menu of the pg.PlotItem ViewBox.
         """
@@ -532,6 +720,7 @@ class Waveform(PlotBase):
         self.sync_signal_update.emit()
         self.plot_item.enableAutoRange(x=True)
         self.round_plot_widget.apply_plot_widget_style()  # To keep the correct theme
+        self._refresh_alignment_state(force_readback=True)
 
     @SafeProperty(str)
     def signal_x(self) -> str | None:
@@ -561,6 +750,7 @@ class Waveform(PlotBase):
         self.sync_signal_update.emit()
         self.plot_item.enableAutoRange(x=True)
         self.round_plot_widget.apply_plot_widget_style()
+        self._refresh_alignment_state(force_readback=True)
 
     @SafeProperty(str)
     def color_palette(self) -> str:
@@ -615,6 +805,8 @@ class Waveform(PlotBase):
                     continue
                 config = CurveConfig(**cfg_dict)
                 self._add_curve(config=config)
+            self._refresh_alignment_state(force_readback=self._alignment_panel_visible)
+            self._refresh_dap_signals()
         except json.JSONDecodeError as e:
             logger.error(f"Failed to decode JSON: {e}")
 
@@ -696,7 +888,8 @@ class Waveform(PlotBase):
         signal_y: str | None = None,
         color: str | None = None,
         label: str | None = None,
-        dap: str | None = None,
+        dap: str | list[str] | None = None,
+        dap_parameters: dict | list | lmfit.Parameters | None | object = None,
         scan_id: str | None = None,
         scan_number: int | None = None,
         **kwargs,
@@ -718,9 +911,14 @@ class Waveform(PlotBase):
             signal_y(str): The name of the entry for the y-axis.
             color(str): The color of the curve.
             label(str): The label of the curve.
-            dap(str): The dap model to use for the curve. When provided, a DAP curve is
+            dap(str | list[str]): The dap model to use for the curve. When provided, a DAP curve is
                 attached automatically for device, history, or custom data sources. Use
-                the same string as the LMFit model name.
+                the same string as the LMFit model name, or a list of model names to build a composite.
+            dap_parameters(dict | list | lmfit.Parameters | None): Optional lmfit parameter overrides sent to
+                the DAP server. For a single model: values can be numeric (interpreted as fixed parameters)
+                or dicts like `{"value": 1.0, "vary": False}`. For composite models (dap is list), use either
+                a list aligned to the model list (each item is a param dict), or a dict of
+                `{ "ModelName": { "param": {...} } }` when model names are unique.
             scan_id(str):  Optional scan ID. When provided, the curve is treated as a **history** curve and
                 the y‑data (and optional x‑data) are fetched from that historical scan. Such curves are
                 never cleared by live‑scan resets.
@@ -733,6 +931,8 @@ class Waveform(PlotBase):
         source = "custom"
         x_data = None
         y_data = None
+        if dap_parameters is _DAP_PARAM:
+            dap_parameters = kwargs.pop("dap_parameters", None) or kwargs.pop("parameters", None)
 
         # 1. Custom curve logic
         if x is not None and y is not None:
@@ -810,7 +1010,9 @@ class Waveform(PlotBase):
         curve = self._add_curve(config=config, x_data=x_data, y_data=y_data)
 
         if dap is not None and curve.config.source in ("device", "history", "custom"):
-            self.add_dap_curve(device_label=curve.name(), dap_name=dap, **kwargs)
+            self.add_dap_curve(
+                device_label=curve.name(), dap_name=dap, dap_parameters=dap_parameters, **kwargs
+            )
 
         return curve
 
@@ -820,9 +1022,10 @@ class Waveform(PlotBase):
     def add_dap_curve(
         self,
         device_label: str,
-        dap_name: str,
+        dap_name: str | list[str],
         color: str | None = None,
         dap_oversample: int = 1,
+        dap_parameters: dict | list | lmfit.Parameters | None = None,
         **kwargs,
     ) -> Curve:
         """
@@ -832,9 +1035,11 @@ class Waveform(PlotBase):
 
         Args:
             device_label(str): The label of the source curve to add DAP to.
-            dap_name(str): The name of the DAP model to use.
+            dap_name(str | list[str]): The name of the DAP model to use, or a list of model
+                names to build a composite model.
             color(str): The color of the curve.
             dap_oversample(int): The oversampling factor for the DAP curve.
+            dap_parameters(dict | list | lmfit.Parameters | None): Optional lmfit parameter overrides sent to the DAP server.
             **kwargs
 
         Returns:
@@ -859,7 +1064,7 @@ class Waveform(PlotBase):
             dev_entry = "custom"
 
         # 2) Build a label for the new DAP curve
-        dap_label = f"{device_label}-{dap_name}"
+        dap_label = f"{device_label}-{self._format_dap_label(dap_name)}"
 
         # 3) Possibly raise if the DAP curve already exists
         if self._check_curve_id(dap_label):
@@ -882,7 +1087,11 @@ class Waveform(PlotBase):
 
         # Attach device signal with DAP
         config.signal = DeviceSignal(
-            device=dev_name, signal=dev_entry, dap=dap_name, dap_oversample=dap_oversample
+            device=dev_name,
+            signal=dev_entry,
+            dap=dap_name,
+            dap_oversample=dap_oversample,
+            dap_parameters=self._normalize_dap_parameters(dap_parameters, dap_name=dap_name),
         )
 
         # 4) Create the DAP curve config using `_add_curve(...)`
@@ -973,6 +1182,7 @@ class Waveform(PlotBase):
         QTimer.singleShot(
             150, self.auto_range
         )  # autorange with a delay to ensure the plot is updated
+        self._refresh_alignment_state()
 
         return curve
 
@@ -1228,6 +1438,7 @@ class Waveform(PlotBase):
             self.remove_curve(curve.name())
         if self.crosshair is not None:
             self.crosshair.clear_markers()
+        self._refresh_alignment_state()
 
     def get_curve(self, curve: int | str) -> Curve | None:
         """
@@ -1263,6 +1474,7 @@ class Waveform(PlotBase):
 
         self._refresh_colors()
         self._categorise_device_curves()
+        self._refresh_alignment_state()
 
     def _remove_curve_by_name(self, name: str):
         """
@@ -1313,6 +1525,8 @@ class Waveform(PlotBase):
             and self.enable_side_panel is True
         ):
             self.dap_summary.remove_dap_data(curve.name())
+        if curve.config.source == "dap" and self._alignment_controller is not None:
+            self._alignment_controller.remove_dap_curve(curve.name())
 
         # find a corresponding dap curve and remove it
         for c in self.curves:
@@ -1749,12 +1963,14 @@ class Waveform(PlotBase):
             if parent_curve is None:
                 logger.warning(
                     f"No device curve found for DAP curve '{dap_curve.name()}'!"
-                )  # TODO triggerd when DAP curve is removed from the curve dialog, why?
+                )  # TODO triggered when DAP curve is removed from the curve dialog, why?
                 continue
 
             x_data, y_data = parent_curve.get_data()
             model_name = dap_curve.config.signal.dap
-            model = getattr(self.dap, model_name)
+            model = None
+            if not isinstance(model_name, (list, tuple)):
+                model = getattr(self.dap, model_name)
             try:
                 x_min, x_max = self.roi_region
                 x_data, y_data = self._crop_data(x_data, y_data, x_min, x_max)
@@ -1762,20 +1978,132 @@ class Waveform(PlotBase):
                 x_min = None
                 x_max = None
 
+            dap_parameters = getattr(dap_curve.config.signal, "dap_parameters", None)
+            dap_kwargs = {
+                "data_x": x_data,
+                "data_y": y_data,
+                "oversample": dap_curve.dap_oversample,
+            }
+            if dap_parameters:
+                dap_kwargs["parameters"] = dap_parameters
+
+            if model is not None:
+                class_args = model._plugin_info["class_args"]
+                class_kwargs = model._plugin_info["class_kwargs"]
+            else:
+                class_args = []
+                class_kwargs = {"model": model_name}
+
             msg = messages.DAPRequestMessage(
                 dap_cls="LmfitService1D",
                 dap_type="on_demand",
                 config={
                     "args": [],
-                    "kwargs": {"data_x": x_data, "data_y": y_data},
-                    "class_args": model._plugin_info["class_args"],
-                    "class_kwargs": model._plugin_info["class_kwargs"],
+                    "kwargs": dap_kwargs,
+                    "class_args": class_args,
+                    "class_kwargs": class_kwargs,
                     "curve_label": dap_curve.name(),
                 },
                 metadata={"RID": f"{self.scan_id}-{self.gui_id}"},
             )
             self.client.connector.set_and_publish(MessageEndpoints.dap_request(), msg)
 
+    @staticmethod
+    def _normalize_dap_parameters(
+        parameters: dict | list | lmfit.Parameters | None, dap_name: str | list[str] | None = None
+    ) -> dict | list | None:
+        """
+        Normalize user-provided lmfit parameters into a JSON-serializable dict suitable for the DAP server.
+
+        Supports:
+        - `lmfit.Parameters` (single-model only)
+        - `dict[name -> number]` (treated as fixed parameter with `vary=False`)
+        - `dict[name -> dict]` (lmfit.Parameter fields; defaults to `vary=False` if unspecified)
+        - `dict[name -> lmfit.Parameter]`
+        - composite: `list[dict[param_name -> spec]]` aligned to model list
+        - composite: `dict[model_name -> dict[param_name -> spec]]` (unique model names only)
+        """
+        if parameters is None:
+            return None
+        if isinstance(dap_name, (list, tuple)):
+            if lmfit is not None and isinstance(parameters, lmfit.Parameters):
+                raise TypeError("dap_parameters must be a dict when using composite dap models.")
+            if isinstance(parameters, (list, tuple)):
+                normalized_list: list[dict | None] = []
+                for idx, item in enumerate(parameters):
+                    if item is None:
+                        normalized_list.append(None)
+                        continue
+                    if not isinstance(item, dict):
+                        raise TypeError(
+                            f"dap_parameters list item {idx} must be a dict of parameter overrides."
+                        )
+                    normalized_list.append(Waveform._normalize_param_overrides(item))
+                return normalized_list or None
+            if not isinstance(parameters, dict):
+                raise TypeError(
+                    "dap_parameters must be a dict of model->params when using composite dap models."
+                )
+            model_names = set(dap_name)
+            invalid_models = set(parameters.keys()) - model_names
+            if invalid_models:
+                raise TypeError(
+                    f"Invalid dap_parameters keys for composite model: {sorted(invalid_models)}"
+                )
+            normalized_composite: dict[str, dict] = {}
+            for model_name in dap_name:
+                model_params = parameters.get(model_name)
+                if model_params is None:
+                    continue
+                if not isinstance(model_params, dict):
+                    raise TypeError(
+                        f"dap_parameters for '{model_name}' must be a dict of parameter overrides."
+                    )
+                normalized = Waveform._normalize_param_overrides(model_params)
+                if normalized:
+                    normalized_composite[model_name] = normalized
+            return normalized_composite or None
+
+        if lmfit is not None and isinstance(parameters, lmfit.Parameters):
+            return serialize_lmfit_params(parameters)
+        if not isinstance(parameters, dict):
+            if lmfit is None:
+                raise TypeError(
+                    "dap_parameters must be a dict when lmfit is not installed on the client."
+                )
+            raise TypeError("dap_parameters must be a dict or lmfit.Parameters (or omitted).")
+
+        return Waveform._normalize_param_overrides(parameters)
+
+    @staticmethod
+    def _normalize_param_overrides(parameters: dict) -> dict | None:
+        normalized: dict[str, dict] = {}
+        for name, spec in parameters.items():
+            if spec is None:
+                continue
+            if isinstance(spec, (int, float, np.number)):
+                normalized[name] = {"name": name, "value": float(spec), "vary": False}
+                continue
+            if lmfit is not None and isinstance(spec, lmfit.Parameter):
+                normalized[name] = serialize_param_object(spec)
+                continue
+            if isinstance(spec, dict):
+                normalized[name] = {"name": name, **spec}
+                if "vary" not in normalized[name]:
+                    normalized[name]["vary"] = False
+                continue
+            raise TypeError(
+                f"Invalid dap_parameters entry for '{name}': expected number, dict, or lmfit.Parameter."
+            )
+
+        return normalized or None
+
+    @staticmethod
+    def _format_dap_label(dap_name: str | list[str]) -> str:
+        if isinstance(dap_name, (list, tuple)):
+            return "+".join(dap_name)
+        return dap_name
+
     @SafeSlot(dict, dict)
     def update_dap_curves(self, msg, metadata):
         """
@@ -1793,14 +2121,6 @@ class Waveform(PlotBase):
         if not curve:
             return
 
-        # Get data from the parent (device) curve
-        parent_curve = self._find_curve_by_label(curve.config.parent_label)
-        if parent_curve is None:
-            return
-        x_parent, _ = parent_curve.get_data()
-        if x_parent is None or len(x_parent) == 0:
-            return
-
         # Retrieve and store the fit parameters and summary from the DAP server response
         try:
             curve.dap_params = msg["data"][1]["fit_parameters"]
@@ -1809,19 +2129,13 @@ class Waveform(PlotBase):
             logger.warning(f"Failed to retrieve DAP data for curve '{curve.name()}'")
             return
 
-        # Render model according to the DAP model name and parameters
-        model_name = curve.config.signal.dap
-        model_function = getattr(lmfit.models, model_name)()
-
-        x_min, x_max = x_parent.min(), x_parent.max()
-        oversample = curve.dap_oversample
-        new_x = np.linspace(x_min, x_max, int(len(x_parent) * oversample))
-
-        # Evaluate the model with the provided parameters to generate the y values
-        new_y = model_function.eval(**curve.dap_params, x=new_x)
-
-        # Update the curve with the new data
-        curve.setData(new_x, new_y)
+        # Plot the fitted curve using the server-provided output to avoid requiring lmfit on the client.
+        try:
+            fit_data = msg["data"][0]
+            curve.setData(np.asarray(fit_data["x"]), np.asarray(fit_data["y"]))
+        except Exception as e:
+            logger.exception(f"Failed to plot DAP result for curve '{curve.name()}', error: {e}")
+            return
 
         metadata.update({"curve_id": curve_id})
         self.dap_params_update.emit(curve.dap_params, metadata)
@@ -1854,6 +2168,7 @@ class Waveform(PlotBase):
         """
         x_data = None
         new_suffix = None
+        previous_x_device = self._current_x_device
         data, access_key = self._fetch_scan_data_and_access()
 
         # 1 User wants custom signal
@@ -1912,6 +2227,7 @@ class Waveform(PlotBase):
                 if not scan_report_devices:
                     x_data = None
                     new_suffix = " (auto: index)"
+                    self._current_x_device = None
                 else:
                     device_x = scan_report_devices[0]
                     signal_x = self.entry_validator.validate_signal(device_x, None)
@@ -1921,8 +2237,10 @@ class Waveform(PlotBase):
                         entry_obj = data.get(device_x, {}).get(signal_x)
                         x_data = entry_obj.read()["value"] if entry_obj else None
                     new_suffix = f" (auto: {device_x}-{signal_x})"
-                self._current_x_device = (device_x, signal_x)
+                    self._current_x_device = (device_x, signal_x)
         self._update_x_label_suffix(new_suffix)
+        if previous_x_device != self._current_x_device:
+            self._refresh_alignment_state(force_readback=True)
         return x_data
 
     def _update_x_label_suffix(self, new_suffix: str):
@@ -1967,7 +2285,7 @@ class Waveform(PlotBase):
 
     def _categorise_device_curves(self) -> str:
         """
-        Categorise the device curves into sync and async based on the readout priority.
+        Categorize the device curves into sync and async based on the readout priority.
         """
         if self.scan_item is None:
             self.update_with_scan_history(-1)
@@ -2324,6 +2642,8 @@ class Waveform(PlotBase):
         Cleanup the widget by disconnecting signals and closing dialogs.
         """
         self.proxy_dap_request.cleanup()
+        if self._alignment_controller is not None:
+            self._alignment_controller.cleanup()
         self.clear_all()
         if self.curve_settings_dialog is not None:
             self.curve_settings_dialog.reject()
@@ -2341,24 +2661,20 @@ class DemoApp(QMainWindow):  # pragma: no cover
     def __init__(self):
         super().__init__()
         self.setWindowTitle("Waveform Demo")
-        self.resize(1200, 600)
+        self.resize(1600, 600)
         self.main_widget = QWidget(self)
         self.layout = QHBoxLayout(self.main_widget)
         self.setCentralWidget(self.main_widget)
 
-        self.waveform_popup = Waveform(popups=True)
-        self.waveform_popup.plot(device_y="waveform")
-
-        self.waveform_side = Waveform(popups=False)
-        self.waveform_side.plot(device_y="bpm4i", signal_y="bpm4i", dap="GaussianModel")
-        self.waveform_side.plot(device_y="bpm3a", signal_y="bpm3a")
-
         self.custom_waveform = Waveform(popups=True)
         self._populate_custom_curve_demo()
 
-        self.layout.addWidget(self.waveform_side)
-        self.layout.addWidget(self.waveform_popup)
+        self.sine_waveform = Waveform(popups=True)
+        self.sine_waveform.dap_params_update.connect(self._log_sine_dap_params)
+        self._populate_sine_curve_demo()
+
         self.layout.addWidget(self.custom_waveform)
+        self.layout.addWidget(self.sine_waveform)
 
     def _populate_custom_curve_demo(self):
         """
@@ -2377,8 +2693,141 @@ class DemoApp(QMainWindow):  # pragma: no cover
         sigma = 0.8
         y = amplitude * np.exp(-((x - center) ** 2) / (2 * sigma**2)) + noise
 
+        # 1) No explicit parameters: server will use lmfit defaults/guesses.
         self.custom_waveform.plot(x=x, y=y, label="custom-gaussian", dap="GaussianModel")
 
+        # 2) Easy dict: numbers mean "fix this parameter to value" (vary=False).
+        self.custom_waveform.plot(
+            x=x,
+            y=y,
+            label="custom-gaussian-fixed-easy",
+            dap="GaussianModel",
+            dap_parameters={"amplitude": 1.0},
+            dap_oversample=5,
+        )
+
+        # 3) Partial parameter override: this should still trigger guessing on the server
+        #    because not all Gaussian parameters are explicitly specified.
+        self.custom_waveform.plot(
+            x=x,
+            y=y,
+            label="custom-gaussian-partial-guess",
+            dap="GaussianModel",
+            dap_parameters={
+                "center": {"value": 1.2, "vary": True},
+                "sigma": {"value": sigma, "vary": False, "min": 0.0},
+            },
+        )
+
+        # 4) Complete parameter override: this should skip guessing on the server.
+        if lmfit is not None:
+            params_gauss = lmfit.models.GaussianModel().make_params()
+            params_gauss["amplitude"].set(value=amplitude, vary=False)
+            params_gauss["center"].set(value=center, vary=False)
+            params_gauss["sigma"].set(value=sigma, vary=False, min=0.0)
+            self.custom_waveform.plot(
+                x=x,
+                y=y,
+                label="custom-gaussian-complete-no-guess",
+                dap="GaussianModel",
+                dap_parameters=params_gauss,
+            )
+        else:
+            logger.info("Skipping lmfit.Parameters demo (lmfit not installed on client).")
+
+        # Composite example: spectrum with three Gaussians (DAP-only)
+        x_spec = np.linspace(-5, 5, 800)
+        rng_spec = np.random.default_rng(123)
+        centers = [-2.0, 0.6, 2.4]
+        amplitudes = [2.5, 3.2, 1.8]
+        sigmas = [0.35, 0.5, 0.3]
+        y_spec = (
+            amplitudes[0] * np.exp(-((x_spec - centers[0]) ** 2) / (2 * sigmas[0] ** 2))
+            + amplitudes[1] * np.exp(-((x_spec - centers[1]) ** 2) / (2 * sigmas[1] ** 2))
+            + amplitudes[2] * np.exp(-((x_spec - centers[2]) ** 2) / (2 * sigmas[2] ** 2))
+            + rng_spec.normal(loc=0, scale=0.06, size=x_spec.size)
+        )
+
+        # 5) Composite model with partial overrides only: this should still trigger guessing.
+        self.custom_waveform.plot(
+            x=x_spec,
+            y=y_spec,
+            label="custom-gaussian-spectrum-partial-guess",
+            dap=["GaussianModel", "GaussianModel", "GaussianModel"],
+            dap_parameters=[
+                {"center": {"value": centers[0], "vary": False}},
+                {"center": {"value": centers[1], "vary": False}},
+                {"center": {"value": centers[2], "vary": False}},
+            ],
+        )
+
+        # 6) Composite model with all component parameters specified: this should skip guessing.
+        self.custom_waveform.plot(
+            x=x_spec,
+            y=y_spec,
+            label="custom-gaussian-spectrum-complete-no-guess",
+            dap=["GaussianModel", "GaussianModel", "GaussianModel"],
+            dap_parameters=[
+                {
+                    "amplitude": {"value": amplitudes[0], "vary": False},
+                    "center": {"value": centers[0], "vary": False},
+                    "sigma": {"value": sigmas[0], "vary": False, "min": 0.0},
+                },
+                {
+                    "amplitude": {"value": amplitudes[1], "vary": False},
+                    "center": {"value": centers[1], "vary": False},
+                    "sigma": {"value": sigmas[1], "vary": False, "min": 0.0},
+                },
+                {
+                    "amplitude": {"value": amplitudes[2], "vary": False},
+                    "center": {"value": centers[2], "vary": False},
+                    "sigma": {"value": sigmas[2], "vary": False, "min": 0.0},
+                },
+            ],
+        )
+
+    def _populate_sine_curve_demo(self):
+        """
+        Showcase how lmfit's base SineModel can struggle with a drifting baseline.
+        """
+        x = np.linspace(0, 6 * np.pi, 600)
+        rng = np.random.default_rng(7)
+        amplitude = 1.6
+        frequency = 0.75
+        phase = 0.4
+        offset = 0.8
+        slope = 0.08
+        noise = rng.normal(loc=0, scale=0.12, size=x.size)
+        y = offset + slope * x + amplitude * np.sin(2 * np.pi * frequency * x + phase) + noise
+
+        # Base SineModel (no offset support) to show the mismatch
+        self.sine_waveform.plot(x=x, y=y, label="custom-sine-data", dap="SineModel")
+
+        # Composite model: Sine + Linear baseline (offset + slope)
+        self.sine_waveform.plot(
+            x=x,
+            y=y,
+            label="custom-sine-composite",
+            dap=["SineModel", "LinearModel"],
+            dap_oversample=4,
+        )
+
+        if lmfit is None:
+            logger.info("Skipping sine lmfit demo (lmfit not installed on client).")
+            return
+
+        return
+
+    @staticmethod
+    def _log_sine_dap_params(params: dict, metadata: dict):
+        curve_id = metadata.get("curve_id")
+        if curve_id not in {
+            "custom-sine-data-SineModel",
+            "custom-sine-composite-SineModel+LinearModel",
+        }:
+            return
+        logger.info(f"SineModel DAP fit params ({curve_id}): {params}")
+
 
 if __name__ == "__main__":  # pragma: no cover
     import sys

bec_widgets/widgets/progress/ring_progress_bar/ring.py

@@ -9,7 +9,8 @@ from qtpy import QtCore, QtGui
 from qtpy.QtGui import QColor
 from qtpy.QtWidgets import QWidget
 
-from bec_widgets.utils.bec_connector import BECConnector, ConnectionConfig
+from bec_widgets import BECWidget
+from bec_widgets.utils.bec_connector import ConnectionConfig
 from bec_widgets.utils.colors import Colors
 from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
 
@@ -40,7 +41,7 @@ class ProgressbarConfig(ConnectionConfig):
     line_width: int = Field(20, description="Line widths for the progress bars.")
     start_position: int = Field(
         90,
-        description="Start position for the progress bars in degrees. Default is 90 degrees - corespons to "
+        description="Start position for the progress bars in degrees. Default is 90 degrees - corresponds to "
         "the top of the ring.",
     )
     min_value: int | float = Field(0, description="Minimum value for the progress bars.")
@@ -59,7 +60,7 @@ class ProgressbarConfig(ConnectionConfig):
     )
 
 
-class Ring(BECConnector, QWidget):
+class Ring(BECWidget, QWidget):
     USER_ACCESS = [
         "set_value",
         "set_color",
@@ -82,8 +83,26 @@ class Ring(BECConnector, QWidget):
         self.registered_slot: tuple[Callable, str | EndpointInfo] | None = None
         self.RID = None
         self._gap = 5
+        self._hovered = False
+        self._hover_progress = 0.0
+        self._hover_animation = QtCore.QPropertyAnimation(self, b"hover_progress", parent=self)
+        self._hover_animation.setDuration(180)
+        easing_curve = (
+            QtCore.QEasingCurve.Type.OutCubic
+            if hasattr(QtCore.QEasingCurve, "Type")
+            else QtCore.QEasingCurve.Type.OutCubic
+        )
+        self._hover_animation.setEasingCurve(easing_curve)
         self.set_start_angle(self.config.start_position)
 
+    def _request_update(self, *, refresh_tooltip: bool = True):
+        # NOTE why not just overwrite update() to always refresh the tooltip?
+        # Because in some cases (e.g. hover animation) we want to update the widget without refreshing the tooltip, to avoid performance issues.
+        if refresh_tooltip:
+            if self.progress_container and self.progress_container.is_ring_hovered(self):
+                self.progress_container.refresh_hover_tooltip(self)
+        self.update()
+
     def set_value(self, value: int | float):
         """
         Set the value for the ring widget
@@ -107,7 +126,7 @@ class Ring(BECConnector, QWidget):
         if self.config.link_colors:
             self._auto_set_background_color()
 
-        self.update()
+        self._request_update()
 
     def set_background(self, color: str | tuple | QColor):
         """
@@ -122,7 +141,7 @@ class Ring(BECConnector, QWidget):
 
         self._background_color = self.convert_color(color)
         self.config.background_color = self._background_color.name()
-        self.update()
+        self._request_update()
 
     def _auto_set_background_color(self):
         """
@@ -133,7 +152,7 @@ class Ring(BECConnector, QWidget):
         bg_color = Colors.subtle_background_color(self._color, bg)
         self.config.background_color = bg_color.name()
         self._background_color = bg_color
-        self.update()
+        self._request_update()
 
     def set_colors_linked(self, linked: bool):
         """
@@ -146,7 +165,7 @@ class Ring(BECConnector, QWidget):
         self.config.link_colors = linked
         if linked:
             self._auto_set_background_color()
-        self.update()
+        self._request_update()
 
     def set_line_width(self, width: int):
         """
@@ -156,7 +175,7 @@ class Ring(BECConnector, QWidget):
             width(int): Line width for the ring widget
         """
         self.config.line_width = width
-        self.update()
+        self._request_update()
 
     def set_min_max_values(self, min_value: int | float, max_value: int | float):
         """
@@ -168,7 +187,7 @@ class Ring(BECConnector, QWidget):
         """
         self.config.min_value = min_value
         self.config.max_value = max_value
-        self.update()
+        self._request_update()
 
     def set_start_angle(self, start_angle: int):
         """
@@ -178,7 +197,7 @@ class Ring(BECConnector, QWidget):
             start_angle(int): Start angle for the ring widget in degrees
         """
         self.config.start_position = start_angle
-        self.update()
+        self._request_update()
 
     def set_update(
         self, mode: Literal["manual", "scan", "device"], device: str = "", signal: str = ""
@@ -237,7 +256,7 @@ class Ring(BECConnector, QWidget):
             precision(int): Precision for the ring widget
         """
         self.config.precision = precision
-        self.update()
+        self._request_update()
 
     def set_direction(self, direction: int):
         """
@@ -247,7 +266,7 @@ class Ring(BECConnector, QWidget):
             direction(int): Direction for the ring widget. -1 for clockwise, 1 for counter-clockwise.
         """
         self.config.direction = direction
-        self.update()
+        self._request_update()
 
     def _get_signals_for_device(self, device: str) -> dict[str, list[str]]:
         """
@@ -276,7 +295,7 @@ class Ring(BECConnector, QWidget):
             for obj in dev_obj._info["signals"].values()
             if obj["kind_str"] == "hinted"
             and obj["signal_class"]
-            not in ["ProgressSignal", "AyncSignal", "AsyncMultiSignal", "DynamicSignal"]
+            not in ["ProgressSignal", "AsyncSignal", "AsyncMultiSignal", "DynamicSignal"]
         ]
 
         normal_signals = [
@@ -424,8 +443,11 @@ class Ring(BECConnector, QWidget):
         rect.adjust(max_ring_size, max_ring_size, -max_ring_size, -max_ring_size)
 
         # Background arc
+        base_line_width = float(self.config.line_width)
+        hover_line_delta = min(3.0, round(base_line_width * 0.6, 1))
+        current_line_width = base_line_width + (hover_line_delta * self._hover_progress)
         painter.setPen(
-            QtGui.QPen(self._background_color, self.config.line_width, QtCore.Qt.PenStyle.SolidLine)
+            QtGui.QPen(self._background_color, current_line_width, QtCore.Qt.PenStyle.SolidLine)
         )
 
         gap: int = self.gap  # type: ignore
@@ -433,13 +455,25 @@ class Ring(BECConnector, QWidget):
         # Important: Qt uses a 16th of a degree for angles. start_position is therefore multiplied by 16.
         start_position: float = self.config.start_position * 16  # type: ignore
 
-        adjusted_rect = QtCore.QRect(
+        adjusted_rect = QtCore.QRectF(
             rect.left() + gap, rect.top() + gap, rect.width() - 2 * gap, rect.height() - 2 * gap
         )
+        if self._hover_progress > 0.0:
+            hover_radius_delta = 4.0
+            base_radius = adjusted_rect.width() / 2
+            if base_radius > 0:
+                target_radius = base_radius + (hover_radius_delta * self._hover_progress)
+                scale = target_radius / base_radius
+                center = adjusted_rect.center()
+                new_width = adjusted_rect.width() * scale
+                new_height = adjusted_rect.height() * scale
+                adjusted_rect = QtCore.QRectF(
+                    center.x() - new_width / 2, center.y() - new_height / 2, new_width, new_height
+                )
         painter.drawArc(adjusted_rect, start_position, 360 * 16)
 
         # Foreground arc
-        pen = QtGui.QPen(self.color, self.config.line_width, QtCore.Qt.PenStyle.SolidLine)
+        pen = QtGui.QPen(self.color, current_line_width, QtCore.Qt.PenStyle.SolidLine)
         pen.setCapStyle(QtCore.Qt.PenCapStyle.RoundCap)
         painter.setPen(pen)
         proportion = (self.config.value - self.config.min_value) / (
@@ -449,7 +483,17 @@ class Ring(BECConnector, QWidget):
         painter.drawArc(adjusted_rect, start_position, angle)
         painter.end()
 
-    def convert_color(self, color: str | tuple | QColor) -> QColor:
+    def set_hovered(self, hovered: bool):
+        if hovered == self._hovered:
+            return
+        self._hovered = hovered
+        self._hover_animation.stop()
+        self._hover_animation.setStartValue(self._hover_progress)
+        self._hover_animation.setEndValue(1.0 if hovered else 0.0)
+        self._hover_animation.start()
+
+    @staticmethod
+    def convert_color(color: str | tuple | QColor) -> QColor:
         """
         Convert the color to QColor
 
@@ -485,7 +529,7 @@ class Ring(BECConnector, QWidget):
     @gap.setter
     def gap(self, value: int):
         self._gap = value
-        self.update()
+        self._request_update()
 
     @SafeProperty(bool)
     def link_colors(self) -> bool:
@@ -522,7 +566,7 @@ class Ring(BECConnector, QWidget):
             float(max(self.config.min_value, min(self.config.max_value, value))),
             self.config.precision,
         )
-        self.update()
+        self._request_update()
 
     @SafeProperty(float)
     def min_value(self) -> float:
@@ -531,7 +575,7 @@ class Ring(BECConnector, QWidget):
     @min_value.setter
     def min_value(self, value: float):
         self.config.min_value = value
-        self.update()
+        self._request_update()
 
     @SafeProperty(float)
     def max_value(self) -> float:
@@ -540,7 +584,7 @@ class Ring(BECConnector, QWidget):
     @max_value.setter
     def max_value(self, value: float):
         self.config.max_value = value
-        self.update()
+        self._request_update()
 
     @SafeProperty(str)
     def mode(self) -> str:
@@ -549,6 +593,7 @@ class Ring(BECConnector, QWidget):
     @mode.setter
     def mode(self, value: str):
         self.set_update(value)
+        self._request_update()
 
     @SafeProperty(str)
     def device(self) -> str:
@@ -557,6 +602,7 @@ class Ring(BECConnector, QWidget):
     @device.setter
     def device(self, value: str):
         self.config.device = value
+        self._request_update()
 
     @SafeProperty(str)
     def signal(self) -> str:
@@ -565,6 +611,7 @@ class Ring(BECConnector, QWidget):
     @signal.setter
     def signal(self, value: str):
         self.config.signal = value
+        self._request_update()
 
     @SafeProperty(int)
     def line_width(self) -> int:
@@ -573,7 +620,7 @@ class Ring(BECConnector, QWidget):
     @line_width.setter
     def line_width(self, value: int):
         self.config.line_width = value
-        self.update()
+        self._request_update()
 
     @SafeProperty(int)
     def start_position(self) -> int:
@@ -582,7 +629,7 @@ class Ring(BECConnector, QWidget):
     @start_position.setter
     def start_position(self, value: int):
         self.config.start_position = value
-        self.update()
+        self._request_update()
 
     @SafeProperty(int)
     def precision(self) -> int:
@@ -591,7 +638,7 @@ class Ring(BECConnector, QWidget):
     @precision.setter
     def precision(self, value: int):
         self.config.precision = value
-        self.update()
+        self._request_update()
 
     @SafeProperty(int)
     def direction(self) -> int:
@@ -600,7 +647,27 @@ class Ring(BECConnector, QWidget):
     @direction.setter
     def direction(self, value: int):
         self.config.direction = value
-        self.update()
+        self._request_update()
+
+    @SafeProperty(float)
+    def hover_progress(self) -> float:
+        return self._hover_progress
+
+    @hover_progress.setter
+    def hover_progress(self, value: float):
+        self._hover_progress = value
+        self._request_update(refresh_tooltip=False)
+
+    def cleanup(self):
+        """
+        Cleanup the ring widget.
+        Disconnect any registered slots.
+        """
+        if self.registered_slot is not None:
+            self.bec_dispatcher.disconnect_slot(*self.registered_slot)
+            self.registered_slot = None
+        self._hover_animation.stop()
+        super().cleanup()
 
 
 if __name__ == "__main__":  # pragma: no cover

bec_widgets/widgets/progress/ring_progress_bar/ring_progress_bar.py

@@ -3,15 +3,16 @@ from typing import Literal
 
 import pyqtgraph as pg
 from bec_lib.logger import bec_logger
-from qtpy.QtCore import QSize, Qt
+from qtpy.QtCore import QPointF, QSize, Qt
 from qtpy.QtWidgets import QHBoxLayout, QLabel, QVBoxLayout, QWidget
 
-from bec_widgets.utils import Colors
 from bec_widgets.utils.bec_widget import BECWidget
+from bec_widgets.utils.colors import Colors
 from bec_widgets.utils.error_popups import SafeProperty
 from bec_widgets.utils.settings_dialog import SettingsDialog
 from bec_widgets.utils.toolbars.actions import MaterialIconAction
 from bec_widgets.utils.toolbars.toolbar import ModularToolBar
+from bec_widgets.widgets.containers.main_window.addons.hover_widget import WidgetTooltip
 from bec_widgets.widgets.progress.ring_progress_bar.ring import Ring
 from bec_widgets.widgets.progress.ring_progress_bar.ring_progress_settings_cards import RingSettings
 
@@ -29,7 +30,16 @@ class RingProgressContainerWidget(QWidget):
         self.rings: list[Ring] = []
         self.gap = 20  # Gap between rings
         self.color_map: str = "turbo"
+        self._hovered_ring: Ring | None = None
+        self._last_hover_global_pos = None
+        self._hover_tooltip_label = QLabel()
+        self._hover_tooltip_label.setWordWrap(True)
+        self._hover_tooltip_label.setTextFormat(Qt.TextFormat.PlainText)
+        self._hover_tooltip_label.setMaximumWidth(260)
+        self._hover_tooltip_label.setStyleSheet("font-size: 12px;")
+        self._hover_tooltip = WidgetTooltip(self._hover_tooltip_label)
         self.setLayout(QHBoxLayout())
+        self.setMouseTracking(True)
         self.initialize_bars()
         self.initialize_center_label()
 
@@ -59,6 +69,7 @@ class RingProgressContainerWidget(QWidget):
         """
         ring = Ring(parent=self)
         ring.setGeometry(self.rect())
+        ring.setAttribute(Qt.WidgetAttribute.WA_TransparentForMouseEvents, True)
         ring.gap = self.gap * len(self.rings)
         ring.set_value(0)
         self.rings.append(ring)
@@ -88,6 +99,10 @@ class RingProgressContainerWidget(QWidget):
             index = self.num_bars - 1
         index = self._validate_index(index)
         ring = self.rings[index]
+        if ring is self._hovered_ring:
+            self._hovered_ring = None
+            self._last_hover_global_pos = None
+            self._hover_tooltip.hide()
         ring.cleanup()
         ring.close()
         ring.deleteLater()
@@ -106,6 +121,7 @@ class RingProgressContainerWidget(QWidget):
 
         self.center_label = QLabel("", parent=self)
         self.center_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.center_label.setAttribute(Qt.WidgetAttribute.WA_TransparentForMouseEvents, True)
         layout.addWidget(self.center_label)
 
     def _calculate_minimum_size(self):
@@ -150,6 +166,130 @@ class RingProgressContainerWidget(QWidget):
         for ring in self.rings:
             ring.setGeometry(self.rect())
 
+    def enterEvent(self, event):
+        self.setMouseTracking(True)
+        super().enterEvent(event)
+
+    def mouseMoveEvent(self, event):
+        pos = event.position() if hasattr(event, "position") else QPointF(event.pos())
+        self._last_hover_global_pos = (
+            event.globalPosition().toPoint()
+            if hasattr(event, "globalPosition")
+            else event.globalPos()
+        )
+        ring = self._ring_at_pos(pos)
+        self._set_hovered_ring(ring, event)
+        super().mouseMoveEvent(event)
+
+    def leaveEvent(self, event):
+        self._last_hover_global_pos = None
+        self._set_hovered_ring(None, event)
+        super().leaveEvent(event)
+
+    def _set_hovered_ring(self, ring: Ring | None, event=None):
+        if ring is self._hovered_ring:
+            if ring is not None:
+                self.refresh_hover_tooltip(ring, event)
+            return
+        if self._hovered_ring is not None:
+            self._hovered_ring.set_hovered(False)
+        self._hovered_ring = ring
+        if self._hovered_ring is not None:
+            self._hovered_ring.set_hovered(True)
+            self.refresh_hover_tooltip(self._hovered_ring, event)
+        else:
+            self._hover_tooltip.hide()
+
+    def _ring_at_pos(self, pos: QPointF) -> Ring | None:
+        if not self.rings:
+            return None
+        size = min(self.width(), self.height())
+        if size <= 0:
+            return None
+        x_offset = (self.width() - size) / 2
+        y_offset = (self.height() - size) / 2
+        center_x = x_offset + size / 2
+        center_y = y_offset + size / 2
+        dx = pos.x() - center_x
+        dy = pos.y() - center_y
+        distance = (dx * dx + dy * dy) ** 0.5
+
+        max_ring_size = self.get_max_ring_size()
+        base_radius = (size - 2 * max_ring_size) / 2
+        if base_radius <= 0:
+            return None
+
+        best_ring: Ring | None = None
+        best_delta: float | None = None
+        for ring in self.rings:
+            radius = base_radius - ring.gap
+            if radius <= 0:
+                continue
+            half_width = ring.config.line_width / 2
+            inner = radius - half_width
+            outer = radius + half_width
+            if inner <= distance <= outer:
+                delta = abs(distance - radius)
+                if best_delta is None or delta < best_delta:
+                    best_delta = delta
+                    best_ring = ring
+
+        return best_ring
+
+    def is_ring_hovered(self, ring: Ring) -> bool:
+        return ring is self._hovered_ring
+
+    def refresh_hover_tooltip(self, ring: Ring, event=None):
+        text = self._build_tooltip_text(ring)
+        if event is not None:
+            self._last_hover_global_pos = (
+                event.globalPosition().toPoint()
+                if hasattr(event, "globalPosition")
+                else event.globalPos()
+            )
+        if self._last_hover_global_pos is None:
+            return
+        self._hover_tooltip_label.setText(text)
+        self._hover_tooltip.apply_theme()
+        self._hover_tooltip.show_near(self._last_hover_global_pos)
+
+    @staticmethod
+    def _build_tooltip_text(ring: Ring) -> str:
+        mode = ring.config.mode
+        mode_label = {"manual": "Manual", "scan": "Scan progress", "device": "Device"}.get(
+            mode, mode
+        )
+
+        precision = int(ring.config.precision)
+        value = ring.config.value
+        min_value = ring.config.min_value
+        max_value = ring.config.max_value
+        range_span = max(max_value - min_value, 1e-9)
+        progress = max(0.0, min(100.0, ((value - min_value) / range_span) * 100))
+
+        lines = [
+            f"Mode: {mode_label}",
+            f"Progress: {value:.{precision}f} / {max_value:.{precision}f} ({progress:.1f}%)",
+        ]
+        if min_value != 0:
+            lines.append(f"Range: {min_value:.{precision}f} -> {max_value:.{precision}f}")
+        if mode == "device" and ring.config.device:
+            if ring.config.signal:
+                lines.append(f"Device: {ring.config.device}:{ring.config.signal}")
+            else:
+                lines.append(f"Device: {ring.config.device}")
+
+        return "\n".join(lines)
+
+    def closeEvent(self, event):
+        # Ensure the hover tooltip is properly cleaned up when this widget closes
+        tooltip = getattr(self, "_hover_tooltip", None)
+        if tooltip is not None:
+            tooltip.close()
+            tooltip.deleteLater()
+            self._hover_tooltip = None
+        super().closeEvent(event)
+
     def set_colors_from_map(self, colormap, color_format: Literal["RGB", "HEX"] = "RGB"):
         """
         Set the colors for the progress bars from a colormap.
@@ -230,6 +370,9 @@ class RingProgressContainerWidget(QWidget):
         """
         Clear all rings from the widget.
         """
+        self._hovered_ring = None
+        self._last_hover_global_pos = None
+        self._hover_tooltip.hide()
         for ring in self.rings:
             ring.close()
             ring.deleteLater()

bec_widgets/widgets/progress/ring_progress_bar/ring_progress_settings_cards.py

@@ -19,9 +19,9 @@ from qtpy.QtWidgets import (
     QWidget,
 )
 
-from bec_widgets.utils import UILoader
 from bec_widgets.utils.error_popups import SafeSlot
 from bec_widgets.utils.settings_dialog import SettingWidget
+from bec_widgets.utils.ui_loader import UILoader
 from bec_widgets.widgets.progress.ring_progress_bar.ring import Ring
 from bec_widgets.widgets.utility.visual.colormap_widget.colormap_widget import BECColorMapWidget
 
@@ -63,7 +63,8 @@ class RingCardWidget(QFrame):
         self.mode_combo.setCurrentText(self._get_display_mode_string(self.ring.config.mode))
         self._set_widget_mode_enabled(self.ring.config.mode)
 
-    def _get_theme_color(self, color_name: str) -> QColor | None:
+    @staticmethod
+    def _get_theme_color(color_name: str) -> QColor | None:
         app = QApplication.instance()
         if not app:
             return
@@ -249,12 +250,13 @@ class RingCardWidget(QFrame):
     def _on_signal_changed(self, signal: str):
         device = self.ui.device_combo_box.currentText()
         signal = self.ui.signal_combo_box.get_signal_name()
-        if not device or device not in self.container.bec_dispatcher.client.device_manager.devices:
+        if not device or device not in self.ring.bec_dispatcher.client.device_manager.devices:
             return
         self.ring.set_update("device", device=device, signal=signal)
         self.ring.config.signal = signal
 
-    def _unify_mode_string(self, mode: str) -> str:
+    @staticmethod
+    def _unify_mode_string(mode: str) -> str:
         """Convert mode string to a unified format"""
         mode = mode.lower()
         if mode == "scan progress":
@@ -263,7 +265,8 @@ class RingCardWidget(QFrame):
             return "device"
         return mode
 
-    def _get_display_mode_string(self, mode: str) -> str:
+    @staticmethod
+    def _get_display_mode_string(mode: str) -> str:
         """Convert mode string to display format"""
         match mode:
             case "manual":

bec_widgets/widgets/services/bec_atlas_admin_view/bec_atlas_admin_view.py

@@ -0,0 +1,600 @@
+"""Admin View panel for setting up account and messaging services in BEC."""
+
+from __future__ import annotations
+
+import time
+from typing import TYPE_CHECKING
+
+from bec_lib.endpoints import MessageEndpoints
+from bec_lib.logger import bec_logger
+from bec_lib.messages import DeploymentInfoMessage, ExperimentInfoMessage
+from qtpy.QtCore import QSize, Qt, QTimer, Signal
+from qtpy.QtWidgets import (
+    QFrame,
+    QGroupBox,
+    QHBoxLayout,
+    QLabel,
+    QSizePolicy,
+    QStackedLayout,
+    QVBoxLayout,
+    QWidget,
+)
+
+from bec_widgets.utils.bec_login import BECLogin
+from bec_widgets.utils.bec_widget import BECWidget
+from bec_widgets.utils.error_popups import SafeSlot
+from bec_widgets.utils.toolbars.actions import (
+    MaterialIconAction,
+    WidgetAction,
+    create_action_with_text,
+)
+from bec_widgets.utils.toolbars.bundles import ToolbarBundle
+from bec_widgets.utils.toolbars.toolbar import ModularToolBar
+from bec_widgets.widgets.services.bec_atlas_admin_view.bec_atlas_http_service import (
+    AtlasEndpoints,
+    AuthenticatedUserInfo,
+    BECAtlasHTTPService,
+    HTTPResponse,
+)
+from bec_widgets.widgets.services.bec_atlas_admin_view.experiment_selection.experiment_mat_card import (
+    ExperimentMatCard,
+)
+from bec_widgets.widgets.services.bec_atlas_admin_view.experiment_selection.experiment_selection import (
+    ExperimentSelection,
+)
+
+if TYPE_CHECKING:  # pragma: no cover
+    from qtpy.QtWidgets import QToolBar
+
+logger = bec_logger.logger
+
+
+class OverviewWidget(QGroupBox):
+    """Overview Widget for the BEC Atlas Admin view"""
+
+    login_requested = Signal(str, str)
+    change_experiment_requested = Signal()
+
+    def __init__(self, parent=None):
+        super().__init__(parent=parent)
+
+        self.setContentsMargins(12, 0, 12, 6)
+        self._authenticated = False
+        # Root layout
+        self.root_layout = QVBoxLayout(self)
+        self.root_layout.setContentsMargins(0, 0, 0, 0)
+        self.root_layout.setSpacing(0)
+
+        # Stacked Layout to switch between login form and overview content
+        self.stacked_layout = QStackedLayout()
+        self.stacked_layout.setContentsMargins(0, 0, 0, 0)
+        self.stacked_layout.setSpacing(0)
+        self.stacked_layout.setStackingMode(QStackedLayout.StackingMode.StackAll)
+        self.root_layout.addLayout(self.stacked_layout)
+
+        self._init_login_view()
+        self._init_experiment_overview()
+        self.stacked_layout.setCurrentWidget(self._login_widget)
+        self._experiment_overview_widget.setVisible(False)
+
+    def set_experiment_info(self, experiment_info: ExperimentInfoMessage):
+        """Set the experiment information for the overview widget."""
+        self._experiment_overview_widget.set_experiment_info(experiment_info)
+
+    @SafeSlot(bool)
+    def set_authenticated(self, authenticated: bool):
+        """Set the authentication state of the overview widget."""
+        self._authenticated = authenticated
+        if authenticated:
+            self.stacked_layout.setCurrentWidget(self._experiment_overview_widget)
+            self._experiment_overview_widget.setVisible(True)
+        else:
+            self.stacked_layout.setCurrentWidget(self._login_widget)
+            self._experiment_overview_widget.setVisible(False)
+
+    def _init_login_view(self):
+        """Initialize the login view."""
+        self._login_widget = QWidget()
+        layout = QHBoxLayout(self._login_widget)
+        self._login_widget.setAutoFillBackground(True)
+        self._login_widget.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
+        layout.setSpacing(16)
+
+        content = QFrame()
+        content_layout = QVBoxLayout(content)
+        content.setFrameShape(QFrame.Shape.StyledPanel)
+        content.setFrameShadow(QFrame.Shadow.Raised)
+        content.setStyleSheet("""
+            QFrame
+                {
+                    border: 1px solid #cccccc;
+                }
+            QLabel
+                {
+                    border: none;
+                }
+            """)
+        content_layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        content.setFixedSize(400, 280)
+
+        self._login = BECLogin(parent=self)
+        self._login.credentials_entered.connect(self.login_requested.emit)
+        content_layout.addWidget(self._login)
+        layout.addWidget(content)
+        self.stacked_layout.addWidget(self._login_widget)
+
+    def _init_experiment_overview(self):
+        """Initialize the experiment overview content."""
+        self._experiment_overview_widget = ExperimentMatCard(
+            show_activate_button=True,
+            parent=self,
+            title="Current Experiment",
+            button_text="Change Experiment",
+        )
+        self._experiment_overview_widget.experiment_selected.connect(self._on_experiment_selected)
+        layout = QVBoxLayout(self._experiment_overview_widget)
+        self._experiment_overview_widget.setAutoFillBackground(True)
+        self._experiment_overview_widget.setSizePolicy(
+            QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding
+        )
+        layout.setSpacing(16)
+        layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.stacked_layout.addWidget(self._experiment_overview_widget)
+
+    @SafeSlot(dict)
+    def _on_experiment_selected(self, _):
+        """Handle the change experiment button click."""
+        self.change_experiment_requested.emit()
+
+
+class CustomLogoutAction(MaterialIconAction):
+    """Custom logout action that can be enabled/disabled based on authentication state."""
+
+    def __init__(self, parent=None):
+        super().__init__(
+            icon_name="logout",
+            tooltip="Logout",
+            label_text="Logout",
+            text_position="under",
+            parent=parent,
+            filled=True,
+        )
+        self.action.setEnabled(False)  # Initially disabled until authenticated
+        self._tick_timer = QTimer(parent)
+        self._tick_timer.setInterval(1000)
+        self._tick_timer.timeout.connect(self._on_tick)
+        self._login_remaining_s = 0
+
+    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.
+        """
+        create_action_with_text(toolbar_action=self, toolbar=toolbar, min_size=QSize(70, 40))
+
+    def set_authenticated(self, auth_info: AuthenticatedUserInfo | None):
+        """Enable or disable the logout action based on authentication state."""
+        if not auth_info:
+            self._tick_timer.stop()
+            self._login_remaining_s = 0
+            self.action.setEnabled(False)
+            self.update_label()  # Reset Label text
+            return  # No need to set the timer if we're not authenticated
+        self._login_remaining_s = max(0, int(auth_info.exp - time.time())) if auth_info else 0
+        self.action.setEnabled(True)
+        if self._login_remaining_s > 0:
+            self._tick_timer.start()
+
+    def _on_tick(self) -> None:
+        """Handle the timer countdown tick to update the remaining logout time."""
+        self._login_remaining_s -= 1
+        if self._login_remaining_s <= 0:
+            self.set_authenticated(None)  # This will disable the action and stop the timer
+            return
+
+        self.update_label()  # Optionally update the label to show remaining time
+
+    def update_label(self):
+        """Update the label text of the logout action."""
+        if self._login_remaining_s > 0:
+            label_text = f"{self.label_text}\n({self._login_remaining_s}s)"
+        else:
+            label_text = self.label_text
+        self.action.setText(label_text)
+
+    def cleanup(self):
+        """Cleanup the timer when the action is destroyed."""
+        if self._tick_timer.isActive():
+            self._tick_timer.stop()
+
+
+class AtlasConnectionInfo(QWidget):
+
+    def __init__(self, parent=None):
+        super().__init__(parent=parent)
+        layout = QVBoxLayout(self)
+        layout.setAlignment(Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignVCenter)
+        self.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
+        layout.setContentsMargins(6, 6, 6, 12)
+        layout.setSpacing(8)
+        self._bl_info_label = QLabel(self)
+        self._atlas_url_label = QLabel(self)
+        layout.addWidget(self._bl_info_label)
+        layout.addWidget(self._atlas_url_label)
+        self._atlas_url_text = ""
+
+    def set_info(self, realm_id: str, bl_name: str, atlas_url: str):
+        """Set the connection information for the BEC Atlas API."""
+        bl_info = f"{realm_id} @ {bl_name}"
+        self._bl_info_label.setText(bl_info)
+        self._atlas_url_label.setText(atlas_url)
+        self._atlas_url_text = atlas_url
+
+    def set_logged_in(self, email: str):
+        """Show login status in the atlas info widget."""
+        self._atlas_url_label.setText(f"{self._atlas_url_text}  |  {email}")
+
+    def clear_login(self):
+        """Clear login status from the atlas info widget."""
+        self._atlas_url_label.setText(self._atlas_url_text)
+
+
+class BECAtlasAdminView(BECWidget, QWidget):
+
+    RPC = False
+
+    authenticated = Signal(bool)
+
+    def __init__(
+        self,
+        parent=None,
+        atlas_url: str = "https://bec-atlas-prod.psi.ch/api/v1",
+        client=None,
+        **kwargs,
+    ):
+
+        super().__init__(parent=parent, client=client, **kwargs)
+
+        # State variables
+        self._current_deployment_info: DeploymentInfoMessage | None = None
+        self._current_deployment_info = None
+        self._current_session_info = None
+        self._current_experiment_info = None
+        self._authenticated = False
+        self._atlas_url = atlas_url
+
+        # Root layout
+        self.root_layout = QVBoxLayout(self)
+        self.root_layout.setContentsMargins(0, 0, 0, 0)
+        self.root_layout.setSpacing(0)
+
+        # Toolbar for navigation between different views in the admin panel
+        self.toolbar = ModularToolBar(self)
+        self.init_toolbar()
+        self.root_layout.insertWidget(0, self.toolbar)
+        self.toolbar.show_bundles(["view", "atlas_info", "auth"])
+
+        # Stacked layout to switch between overview, experiment selection and messaging services
+        # It is added below the toolbar
+        self.stacked_layout = QStackedLayout()
+        self.stacked_layout.setContentsMargins(0, 0, 0, 0)
+        self.stacked_layout.setSpacing(0)
+        self.stacked_layout.setStackingMode(QStackedLayout.StackingMode.StackAll)
+        self.root_layout.addLayout(self.stacked_layout)
+
+        # BEC Atlas HTTP Service
+        self.atlas_http_service = BECAtlasHTTPService(
+            parent=self, base_url=atlas_url, headers={"accept": "application/json"}
+        )
+
+        # Overview widget
+        self.overview_widget = OverviewWidget(parent=self)
+        self.stacked_layout.addWidget(self.overview_widget)
+
+        # Experiment Selection widget
+        self.experiment_selection = ExperimentSelection(parent=self)
+        self.experiment_selection.setVisible(False)
+        self.stacked_layout.addWidget(self.experiment_selection)
+
+        # Connect signals
+        self.overview_widget.login_requested.connect(self._on_login_requested)
+        self.overview_widget.change_experiment_requested.connect(
+            self._on_experiment_selection_selected
+        )
+        self.authenticated.connect(self.overview_widget.set_authenticated)
+        self.experiment_selection.experiment_selected.connect(self._on_experiment_selected)
+        self.atlas_http_service.http_response.connect(self._on_http_response_received)
+        self.atlas_http_service.authenticated.connect(self._on_authenticated)
+        self._connect_dispatcher()
+
+    def _connect_dispatcher(self):
+        self.bec_dispatcher.connect_slot(
+            slot=self._update_deployment_info,
+            topics=MessageEndpoints.deployment_info(),
+            from_start=True,
+        )
+
+    def init_toolbar(self):
+        """Initialize the toolbar for the admin view. This allows to switch between different views in the admin panel."""
+        # Overview
+        overview = MaterialIconAction(
+            icon_name="home",
+            tooltip="Show Overview Panel",
+            label_text="Overview",
+            text_position="under",
+            parent=self,
+            filled=True,
+        )
+        overview.action.triggered.connect(self._on_overview_selected)
+        self.toolbar.components.add_safe("overview", overview)
+
+        # Experiment Selection
+        experiment_selection = MaterialIconAction(
+            icon_name="experiment",
+            tooltip="Show Experiment Selection Panel",
+            label_text="Experiment Selection",
+            text_position="under",
+            parent=self,
+            filled=True,
+        )
+        experiment_selection.action.triggered.connect(self._on_experiment_selection_selected)
+        experiment_selection.action.setEnabled(False)  # Initially disabled until authenticated
+        self.toolbar.components.add_safe("experiment_selection", experiment_selection)
+
+        # Messaging Services
+        messaging_services = MaterialIconAction(
+            icon_name="chat",
+            tooltip="Show Messaging Services Panel",
+            label_text="Messaging Services",
+            text_position="under",
+            parent=self,
+            filled=True,
+        )
+        messaging_services.action.triggered.connect(self._on_messaging_services_selected)
+        messaging_services.action.setEnabled(False)  # Initially disabled until authenticated
+        self.toolbar.components.add_safe("messaging_services", messaging_services)
+
+        # Atlas Info
+        self._atlas_info_widget = AtlasConnectionInfo(parent=self)
+        atlas_info = WidgetAction(widget=self._atlas_info_widget, parent=self)
+        self.toolbar.components.add_safe("atlas_info", atlas_info)
+
+        logout_action = CustomLogoutAction(parent=self)
+        logout_action.action.triggered.connect(self.logout)
+        logout_action.action.setEnabled(False)  # Initially disabled until authenticated
+        self.toolbar.components.add_safe("logout", logout_action)
+
+        # Add view_bundle to toolbar
+        view_bundle = ToolbarBundle("view", self.toolbar.components)
+        view_bundle.add_action("overview")
+        view_bundle.add_action("experiment_selection")
+        view_bundle.add_action("messaging_services")
+        self.toolbar.add_bundle(view_bundle)
+
+        # Add atlas_info to toolbar
+        atlas_info_bundle = ToolbarBundle("atlas_info", self.toolbar.components)
+        atlas_info_bundle.add_action("atlas_info")
+        self.toolbar.add_bundle(atlas_info_bundle)
+
+        # Add auth_bundle to toolbar
+        auth_bundle = ToolbarBundle("auth", self.toolbar.components)
+        auth_bundle.add_action("logout")
+        self.toolbar.add_bundle(auth_bundle)
+
+    ########################
+    ## Toolbar icon slots
+    ########################
+
+    def _on_overview_selected(self):
+        """Show the overview panel."""
+        self.overview_widget.setVisible(True)
+        self.experiment_selection.setVisible(False)
+        self.stacked_layout.setCurrentWidget(self.overview_widget)
+
+    def _on_experiment_selection_selected(self):
+        """Show the experiment selection panel."""
+        if not self._authenticated:
+            logger.warning("Attempted to access experiment selection without authentication.")
+            return
+        self.overview_widget.setVisible(False)
+        self.experiment_selection.setVisible(True)
+        self.stacked_layout.setCurrentWidget(self.experiment_selection)
+
+    def _on_messaging_services_selected(self):
+        """Show the messaging services panel."""
+        logger.info("Messaging services panel is not implemented yet.")
+        return
+
+    ########################
+    ## Internal slots
+    ########################
+
+    @SafeSlot(dict)
+    def _on_experiment_selected(self, experiment_info: dict) -> None:
+        """Handle the experiment selected signal from the experiment selection widget"""
+        experiment_info = ExperimentInfoMessage.model_validate(experiment_info)
+        experiment_id = experiment_info.pgroup
+        deployment_id = self._current_deployment_info.deployment_id
+        self.set_experiment(experiment_id=experiment_id, deployment_id=deployment_id)
+
+    @SafeSlot(str, str, popup_error=True)
+    def _on_login_requested(self, username: str, password: str):
+        """Handle login requested signal from the overview widget."""
+        # Logout first to clear any existing session and cookies before attempting a new login
+        if self._authenticated:
+            logger.info("Existing session detected, logging out before attempting new login.")
+            self.logout()
+        # Now login with new credentials
+        self.login(username, password)
+
+    @SafeSlot(dict, dict)
+    def _update_deployment_info(self, msg: dict, _: dict) -> None:
+        """Fetch current deployment info from the server."""
+        deployment = DeploymentInfoMessage.model_validate(msg)
+        self._current_deployment_info = deployment
+        self._current_session_info = deployment.active_session
+        if self._current_session_info is not None:
+            self._current_experiment_info = self._current_session_info.experiment
+            self.overview_widget.set_experiment_info(self._current_experiment_info)
+
+        self._atlas_info_widget.set_info(
+            realm_id=self._current_experiment_info.realm_id or "",
+            bl_name=self._current_deployment_info.name or "",
+            atlas_url=self._atlas_url,
+        )
+        self.atlas_http_service._set_current_deployment_info(deployment)
+
+    def _fetch_available_experiments(self):
+        """Fetch the list of available experiments for the authenticated user."""
+        # What if this is None, should this be an optional user input in the UI?
+        if self._current_experiment_info is None:
+            logger.error(
+                "No current experiment info available, cannot fetch available experiments."
+            )
+            return
+        current_realm_id = self._current_experiment_info.realm_id
+        if current_realm_id is None:
+            logger.error(
+                "Current experiment does not have a realm_id, cannot fetch available experiments."
+            )
+            return
+        self.atlas_http_service.get_experiments_for_realm(current_realm_id)
+
+    ########################
+    ## HTTP Service response handling
+    ########################
+
+    def _on_http_response_received(self, response: dict) -> None:
+        """Handle the HTTP response received from the BEC Atlas API."""
+        response = HTTPResponse(**response)
+        logger.debug(
+            f"HTTP Response received: {response.request_url} with status {response.status}"
+        )
+        if AtlasEndpoints.REALMS_EXPERIMENTS in response.request_url:
+            experiments = response.data if isinstance(response.data, list) else []
+            self.experiment_selection.set_experiment_infos(experiments)
+        elif AtlasEndpoints.SET_EXPERIMENT in response.request_url:
+            self._on_overview_selected()
+
+    @SafeSlot(dict)
+    def _on_authenticated(self, auth_info: dict) -> None:
+        """Handle authentication state change."""
+        authenticated = False
+        # Only if the user has owner access to the deployment, we consider them to be fully authenticated
+        # This means that although they may authenticate against atlas, they won't be able to see any
+        # extra information here
+        if auth_info:
+            info = AuthenticatedUserInfo.model_validate(auth_info)
+            if (
+                self._current_deployment_info
+                and info.deployment_id == self._current_deployment_info.deployment_id
+            ):
+                authenticated = True
+            else:
+                logger.warning(
+                    f"Authenticated user {info.email} does not have access to the current deployment {self._current_deployment_info.name if self._current_deployment_info else '<no deployment>'}."
+                )
+        self._authenticated = authenticated
+
+        if authenticated:
+            self.toolbar.components.get_action("experiment_selection").action.setEnabled(True)
+            self.toolbar.components.get_action("messaging_services").action.setEnabled(
+                False
+            )  # TODO activate once messaging is added
+            self.toolbar.components.get_action("logout").action.setEnabled(True)
+            self._fetch_available_experiments()  # Fetch experiments upon successful authentication
+            self._atlas_info_widget.set_logged_in(info.email)
+            self.toolbar.components.get_action("logout").set_authenticated(info)
+        else:
+            self.toolbar.components.get_action("experiment_selection").action.setEnabled(False)
+            self.toolbar.components.get_action("messaging_services").action.setEnabled(False)
+            self.toolbar.components.get_action("logout").action.setEnabled(False)
+            # Delete data in experiment selection widget upon logout
+            self.experiment_selection.set_experiment_infos([])
+            self._on_overview_selected()  # Switch back to overview on logout
+            self._atlas_info_widget.clear_login()  # Clear login status in atlas info widget on logout
+            self.toolbar.components.get_action("logout").set_authenticated(None)
+        self.authenticated.emit(authenticated)
+
+    ################
+    ## API Methods
+    ################
+
+    @SafeSlot(str, str, popup_error=True)
+    def set_experiment(self, experiment_id: str, deployment_id: str) -> None:
+        """Set the experiment information for the current experiment."""
+        self.atlas_http_service.set_experiment(experiment_id, deployment_id)
+
+    @SafeSlot(str, str, popup_error=True)
+    def login(self, username: str, password: str) -> None:
+        """Login to the BEC Atlas API with the provided username and password."""
+        self.atlas_http_service.login(username=username, password=password)
+
+    @SafeSlot(popup_error=True)
+    def logout(self) -> None:
+        """Logout from the BEC Atlas API."""
+        self.atlas_http_service.logout()
+
+    def get_user_info(self):
+        """Get the current user information from the BEC Atlas API."""
+        self.atlas_http_service.get_user_info()
+
+    ###############
+    ## Cleanup
+    ###############
+
+    def cleanup(self):
+        self.atlas_http_service.cleanup()
+        return super().cleanup()
+
+
+if __name__ == "__main__":
+    import sys
+
+    from bec_qthemes import apply_theme
+    from qtpy.QtWidgets import QApplication
+
+    app = QApplication(sys.argv)
+
+    apply_theme("light")
+    window = BECAtlasAdminView()
+
+    exp_info_dict = {
+        "_id": "p22622",
+        "owner_groups": ["admin"],
+        "access_groups": ["unx-sls_xda_bs", "p22622"],
+        "realm_id": "TestBeamline",
+        "proposal": "12345967",
+        "title": "Test Experiment for Mat Card Widget",
+        "firstname": "John",
+        "lastname": "Doe",
+        "email": "john.doe@psi.ch",
+        "account": "doe_j",
+        "pi_firstname": "Jane",
+        "pi_lastname": "Smith",
+        "pi_email": "jane.smith@psi.ch",
+        "pi_account": "smith_j",
+        "eaccount": "e22622",
+        "pgroup": "p22622",
+        "abstract": "This is a test abstract for the experiment mat card widget. It should be long enough to test text wrapping and display in the card. The abstract provides a brief overview of the experiment, its goals, and its significance. This text is meant to simulate a real abstract that might be associated with an experiment in the BEC Atlas system. The card should be able to handle abstracts of varying lengths without any issues, ensuring that the user can read the full abstract even if it is quite long.",
+        "schedule": [{"start": "01/01/2025 08:00:00", "end": "03/01/2025 18:00:00"}],
+        "proposal_submitted": "15/12/2024",
+        "proposal_expire": "31/12/2025",
+        "proposal_status": "Scheduled",
+        "delta_last_schedule": 30,
+        "mainproposal": "",
+    }
+    from bec_lib.messages import DeploymentInfoMessage, ExperimentInfoMessage, SessionInfoMessage
+
+    # proposal_info = ExperimentInfoMessage(**exp_info_dict)
+    # session_info = SessionInfoMessage(name="Test Session", experiment=proposal_info)
+    # deployment_info = DeploymentInfoMessage(
+    #     deployment_id="test_deployment_001", active_session=session_info
+    # )
+    # window.set_experiment_info(proposal_info)
+    window.resize(800, 600)
+    window.show()
+    sys.exit(app.exec_())

bec_widgets/widgets/services/bec_atlas_admin_view/bec_atlas_http_service.py

@@ -0,0 +1,395 @@
+"""
+HTTP service widget for interacting with the BEC Atlas API.
+
+This module defines Qt-based classes that wrap ``QNetworkAccessManager`` to perform
+authenticated HTTP requests against the BEC Atlas backend, manage login and logout
+flows, and track authentication token expiry for the BEC Atlas Admin View.
+
+It also provides Pydantic models that describe HTTP responses and authenticated user
+information, as well as an ``AuthenticatedTimer`` helper used to signal when
+authentication tokens expire.
+
+"""
+
+import json
+import time
+from enum import StrEnum
+from typing import Literal
+
+import jwt
+from bec_lib.logger import bec_logger
+from bec_lib.messages import DeploymentInfoMessage
+from pydantic import BaseModel
+from qtpy.QtCore import QObject, QTimer, QUrl, QUrlQuery, Signal
+from qtpy.QtNetwork import QNetworkAccessManager, QNetworkReply, QNetworkRequest
+from qtpy.QtWidgets import QMessageBox, QWidget
+
+from bec_widgets.utils.error_popups import SafeSlot
+
+logger = bec_logger.logger
+
+
+class AtlasEndpoints(StrEnum):
+    """Constants for BEC Atlas API endpoints."""
+
+    LOGIN = "/user/login"
+    LOGOUT = "/user/logout"
+    REALMS_EXPERIMENTS = "/realms/experiments"
+    SET_EXPERIMENT = "/deployments/experiment"
+    USER_INFO = "/user/me"
+    DEPLOYMENT_INFO = "/deployments/id"
+
+
+class BECAtlasHTTPError(Exception):
+    """Custom exception for BEC Atlas HTTP errors."""
+
+
+class HTTPResponse(BaseModel):
+    """Model representing an HTTP response."""
+
+    request_url: str
+    headers: dict
+    status: int
+    data: dict | list | str  # Check with Klaus if str is deprecated
+
+
+class AuthenticatedUserInfo(BaseModel):
+    """Model representing authenticated user information."""
+
+    email: str
+    exp: float
+    groups: set[str]
+    deployment_id: str
+
+
+class AuthenticatedTimer(QObject):
+    """Timer to track authentication expiration and emit a signal when the token expires."""
+
+    expired = Signal()
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self._timer = QTimer(self)
+        self._timer.setSingleShot(True)
+        self._timer.timeout.connect(self._on_expired)
+
+    def start(self, duration_seconds: float):
+        """Start the timer with the given duration in seconds."""
+        self._timer.start(int(duration_seconds * 1000))
+
+    def stop(self):
+        """Stop the timer."""
+        self._timer.stop()
+
+    @SafeSlot()
+    def _on_expired(self):
+        """Handle the timer expiration by emitting the expired signal."""
+        logger.info("Authentication token has expired.")
+        self.expired.emit()
+
+
+class BECAtlasHTTPService(QWidget):
+    """HTTP service using the QNetworkAccessManager to interact with the BEC Atlas API."""
+
+    http_response = Signal(dict)  # HTTPResponse.model_dump() dict
+    authenticated = Signal(dict)  # AuthenticatedUserInfo.model_dump() dict or {}
+    authentication_expires = Signal(float)
+
+    def __init__(self, parent=None, base_url: str = "", headers: dict | None = None):
+        super().__init__(parent)
+        if headers is None:
+            headers = {"accept": "application/json"}
+        self._headers = headers
+        self._base_url = base_url
+        self.network_manager = QNetworkAccessManager(self)
+        self.network_manager.finished.connect(self._handle_response)
+        self._auth_user_info: AuthenticatedUserInfo | None = None
+        self._auth_timer = self._create_auth_timer()
+        self._current_deployment_info = None
+
+    def _create_auth_timer(self) -> AuthenticatedTimer:
+        """Create and connect the authenticated timer to handle token expiration."""
+        timer = AuthenticatedTimer(self)
+        timer.expired.connect(self.__clear_login_info)
+        return timer
+
+    @property
+    def auth_user_info(self) -> AuthenticatedUserInfo | None:
+        """Get the authenticated user information, including email and token expiration time."""
+        return self._auth_user_info
+
+    def __set_auth_info(self, login_info: dict[Literal["email", "exp"], str | float]):
+        """Set the authenticated user information after a successful login."""
+        login_info.update({"groups": []})  # Initialize groups as empty until we fetch user info
+        login_info.update(
+            {
+                "deployment_id": (
+                    self._current_deployment_info.deployment_id
+                    if self._current_deployment_info
+                    else ""
+                )
+            }
+        )
+        self._auth_user_info = AuthenticatedUserInfo(**login_info)
+        # Start timer to clear auth info once token expires
+        exp_time = login_info.get("exp", 0)
+        current_time = time.time()  # TODO should we use server time to avoid clock skew issues?
+        duration = max(0, exp_time - current_time)
+        self._auth_timer.start(duration)
+
+    def __set_auth_groups(self, groups: list[str]):
+        """Set the authenticated user's groups after fetching user info."""
+        if self._auth_user_info is not None:
+            self._auth_user_info.groups = set(groups)
+
+    def __check_access_to_owner_groups(self, groups: list[str]) -> bool:
+        """Check if the authenticated user has access to the current deployment based on their groups."""
+        if self._auth_user_info is None or self._current_deployment_info is None:
+            return False
+        # Admin user
+        has_both = {"admin", "atlas_func_account"}.issubset(groups)
+        if has_both:
+            return True
+        # Regular user check with group intersection
+        return not self.auth_user_info.groups.isdisjoint(groups)
+
+    def __clear_login_info(self, skip_logout: bool = False):
+        """Clear the authenticated user information after logout."""
+        self._auth_user_info = None
+        if not skip_logout:
+            self.logout()  # Ensure we also logout on the server side and invalidate the session
+
+    def closeEvent(self, event):
+        self.cleanup()
+        return super().closeEvent(event)
+
+    def cleanup(self):
+        """Cleanup connection, destroy authenticate cookies."""
+        logger.info("Cleaning up BECAtlasHTTPService: disconnecting signals and clearing cookies.")
+        # Disconnect signals to avoid handling responses after cleanup
+        self.network_manager.finished.disconnect(self._handle_response)
+
+        # Logout to invalidate session on server side
+        self.logout()
+
+        # Stop the authentication timer
+        self._auth_timer.stop()
+
+        # Delete all cookies related to the base URL
+        for cookie in self.network_manager.cookieJar().cookiesForUrl(QUrl(self._base_url)):
+            self.network_manager.cookieJar().deleteCookie(cookie)
+
+    @SafeSlot(QNetworkReply, popup_error=True)
+    def _handle_response(self, reply: QNetworkReply):
+        """
+        Handle the HTTP response from the server.
+
+        Args:
+            reply (QNetworkReply): The network reply object containing the response.
+        """
+        status = reply.attribute(QNetworkRequest.Attribute.HttpStatusCodeAttribute)
+        raw_bytes = reply.readAll().data()
+        request_url = reply.url().toString()
+        headers = dict([(i.data().decode(), j.data().decode()) for i, j in reply.rawHeaderPairs()])
+        reply.deleteLater()
+
+        # Any unsuccessful status code should raise here
+        if status != 200:
+            raise BECAtlasHTTPError(
+                f"HTTP request for {request_url} failed with status code {status} and response: {raw_bytes.decode('utf-8')}"
+            )
+
+        if len(raw_bytes) > 0:
+            data = json.loads(raw_bytes.decode())
+        else:
+            data = {}
+
+        if data is None:
+            data = {}
+            logger.warning(f"Received empty response for {request_url} with status code {status}.")
+
+        if not isinstance(data, (dict, list, str)):
+            raise BECAtlasHTTPError(
+                f"Expected response data to be a dict, list, or str for {request_url}, but got {type(data)}. Response content: {data}"
+            )
+
+        if AtlasEndpoints.LOGIN.value in request_url:
+            # If it's a login response, don't forward the token
+            # but extract the expiration time and emit it
+            token = data.get("access_token")
+            data = jwt.decode(token, options={"verify_signature": False})
+            self.authentication_expires.emit(data.get("exp", 0))
+            # Now we set the auth info, and then fetch the user info to get the groups
+            self.__set_auth_info(data)
+            self.get_user_info()  # Fetch groups, then emit authenticated once groups are set on auth_user
+        elif AtlasEndpoints.LOGOUT.value in request_url:
+            self._auth_timer.stop()  # Stop the timer if it was running
+            self.__clear_login_info(skip_logout=True)  # Skip calling logout again
+            self.authenticated.emit({})
+        elif AtlasEndpoints.USER_INFO.value in request_url:
+            groups = data.get("groups", [])
+            email = data.get("email", "")
+            # Second step of authentication: We also have all groups now
+            if self.auth_user_info is not None and self.auth_user_info.email == email:
+                self.__set_auth_groups(groups)
+                if self._current_deployment_info is not None:
+                    # Now we need to fetch the deployment info to get the owner groups and check access rights,
+                    # Then we can emit the authenticated signal with the full user info including groups if access is
+                    # granted. Otherwise, we emit nothing and show a warning that the user does not have the access
+                    # rights for the current deployment.
+                    self.get_deployment_info(
+                        deployment_id=self._current_deployment_info.deployment_id
+                    )
+        elif AtlasEndpoints.DEPLOYMENT_INFO.value in request_url:
+            owner_groups = data.get("owner_groups", [])
+            if self.__check_access_to_owner_groups(owner_groups):
+                self.authenticated.emit(self.auth_user_info.model_dump())
+            else:
+                if self.auth_user_info is not None:
+                    warning_text = f"User {self.auth_user_info.email} does not have access to the active deployment {data.get('name', '<unknown>')}."
+                else:
+                    warning_text = "Authenticated user information is missing. Cannot verify access to the active deployment."
+                self._show_warning(warning_text)
+                self.logout()  # Logout to clear auth info and stop timer since user does not have access
+
+        response = HTTPResponse(request_url=request_url, headers=headers, status=status, data=data)
+        self.http_response.emit(response.model_dump())
+
+    def _show_warning(self, text: str):
+        """Show a warning message to the user."""
+        msg = QMessageBox(self)
+        msg.setIcon(QMessageBox.Icon.Warning)
+        msg.setText(text)
+        msg.setWindowTitle("Authentication Warning")
+        msg.exec_()
+
+    #######################
+    # GET/POST Request Methods
+    #######################
+
+    def _get_request(self, endpoint: str, query_parameters: dict | None = None):
+        """
+        GET request to the API endpoint.
+
+        Args:
+            endpoint (str): The API endpoint to send the GET request to.
+            query_parameters (dict | None): Optional query parameters to include in the URL.
+        """
+        url = QUrl(self._base_url + endpoint)
+        if query_parameters:
+            query = QUrlQuery()
+            for key, value in query_parameters.items():
+                query.addQueryItem(key, value)
+            url.setQuery(query)
+        request = QNetworkRequest(url)
+        for key, value in self._headers.items():
+            request.setRawHeader(key.encode(), value.encode())
+        self.network_manager.get(request)
+
+    def _post_request(
+        self, endpoint: str, payload: dict | None = None, query_parameters: dict | None = None
+    ):
+        """
+        POST request to the API endpoint with a JSON payload.
+
+        Args:
+            endpoint (str): The API endpoint to send the POST request to.
+            payload (dict): The JSON payload to include in the POST request.
+            query_parameters (dict | None): Optional query parameters to include in the URL.
+        """
+        if payload is None:
+            payload = {}
+        url = QUrl(self._base_url + endpoint)
+        if query_parameters:
+            query = QUrlQuery()
+            for key, value in query_parameters.items():
+                query.addQueryItem(key, value)
+            url.setQuery(query)
+        request = QNetworkRequest(url)
+
+        # Headers
+        for key, value in self._headers.items():
+            request.setRawHeader(key.encode(), value.encode())
+        request.setHeader(QNetworkRequest.KnownHeaders.ContentTypeHeader, "application/json")
+
+        payload_dump = json.dumps(payload).encode()
+        self.network_manager.post(request, payload_dump)
+
+    def _set_current_deployment_info(self, deployment_info: dict | DeploymentInfoMessage):
+        """
+        Set the current deployment information for the service.
+
+        Args:
+            deployment_info (dict | DeploymentInfoMessage): The deployment information to set.
+        """
+        if isinstance(deployment_info, dict):
+            deployment_info = DeploymentInfoMessage.model_validate(deployment_info)
+        self._current_deployment_info = deployment_info
+
+    ################
+    # API Methods
+    ################
+
+    @SafeSlot(str, str, popup_error=True)
+    def login(self, username: str, password: str):
+        """
+        Login to BEC Atlas with the provided username and password.
+
+        Args:
+            username (str): The username for authentication.
+            password (str): The password for authentication.
+        """
+        self._post_request(
+            endpoint=AtlasEndpoints.LOGIN.value,
+            payload={"username": username, "password": password},
+        )
+
+    @SafeSlot(popup_error=True)
+    def logout(self):
+        """Logout from BEC Atlas."""
+        self._post_request(endpoint=AtlasEndpoints.LOGOUT.value)
+
+    @SafeSlot(str, popup_error=True)
+    def get_experiments_for_realm(self, realm_id: str):
+        """
+        Get the list of realms from BEC Atlas. Requires authentication.
+
+        Args:
+            realm_id (str): The ID of the realm to retrieve experiments for.
+        """
+        self._get_request(
+            endpoint=AtlasEndpoints.REALMS_EXPERIMENTS.value,
+            query_parameters={"realm_id": realm_id},
+        )
+
+    @SafeSlot(str, str)
+    def set_experiment(self, experiment_id: str, deployment_id: str) -> None:
+        """
+        Set the current experiment information for the service.
+
+        Args:
+            experiment_id (str): The ID of the experiment to set.
+            deployment_id (str): The ID of the deployment associated with the experiment.
+        """
+        self._post_request(
+            endpoint=AtlasEndpoints.SET_EXPERIMENT.value,
+            query_parameters={"experiment_id": experiment_id, "deployment_id": deployment_id},
+        )
+
+    @SafeSlot(popup_error=True)
+    def get_user_info(self):
+        """Get the current user information from BEC Atlas. Requires authentication."""
+        self._get_request(endpoint=AtlasEndpoints.USER_INFO.value)
+
+    @SafeSlot(str, popup_error=True)
+    def get_deployment_info(self, deployment_id: str):
+        """
+        Get the deployment information for a given deployment ID. Requires authentication.
+
+        Args:
+            deployment_id (str): The ID of the deployment to retrieve information for.
+        """
+        self._get_request(
+            endpoint=AtlasEndpoints.DEPLOYMENT_INFO.value,
+            query_parameters={"deployment_id": deployment_id},
+        )