feat(waveform_widget): switch between drag and rectangle mode

bec_widgets/assets/toolbar_icons/drag_pan_mode.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="48px" viewBox="0 -960 960 960" width="48px" fill="#FFFFFF">
+    <path d="M480-54 303.43-230.56 361-288.13l79.39 78.83v-231.09H209.3L283.13-366l-57.57 57.57L54-480l172.56-172.57L284.13-595l-74.83 75.39h231.09v-231.65L366-676.87l-57.57-57.57L480-906l171.57 171.56L594-676.87l-74.39-74.39v231.65h231.65L676.87-594l57.57-57.57L906-480 734.44-308.43 676.87-366l74.39-74.39H519.61v231.09L599-288.13l57.57 57.57L480-54Z"/>
+</svg>

bec_widgets/assets/toolbar_icons/rectangle_mode.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="48px" viewBox="0 -960 960 960" width="48px" fill="#FFFFFF">
+    <path d="M444.19-421.3q39.72 0 67.4-27.78 27.67-27.78 27.67-66.91 0-39.14-27.71-66.57Q483.83-610 444.4-610q-39.44 0-66.92 27.28Q350-555.44 350-516.3q0 39.13 27.36 67.06 27.35 27.94 66.83 27.94ZM634.52-274 532.78-375.74q-22.56 12.31-44.41 19.02-21.84 6.72-43.28 6.72-69.57 0-117.7-48.62-48.13-48.62-48.13-117.88 0-67.98 48.29-116.39t117.08-48.41q68.79 0 117.08 48.41Q610-584.48 610-515.75q0 21.72-6.93 44.13-6.94 22.4-20.37 44.97l102.73 102.74L634.52-274ZM185.09-105.87q-32.51 0-55.87-23.35-23.35-23.36-23.35-55.87V-352h79.22v166.91H352v79.22H185.09Zm422.91 0v-79.22h166.91V-352h79.79v166.91q0 32.51-23.53 55.87-23.52 23.35-56.26 23.35H608ZM105.87-608v-166.91q0-32.74 23.35-56.26 23.36-23.53 55.87-23.53H352v79.79H185.09V-608h-79.22Zm669.04 0v-166.91H608v-79.79h166.91q32.74 0 56.26 23.53 23.53 23.52 23.53 56.26V-608h-79.79Z"/>
+</svg>

bec_widgets/widgets/figure/plots/waveform/waveform.py

@@ -390,7 +390,6 @@ class BECWaveform(BECPlotBase):
 
             self.async_signal_update.emit()
             self.scan_signal_update.emit()
-        # self.autorange_timer.start(200)
 
     @pyqtSlot()
     def auto_range(self):

bec_widgets/widgets/waveform/waveform_toolbar/waveform_toolbar.py

@@ -30,6 +30,30 @@ class MatplotlibAction(ToolBarAction):
         toolbar.addAction(self.action)
 
 
+class DragModeAction(ToolBarAction):
+    def add_to_toolbar(self, toolbar, target):
+        icon = QIcon()
+        icon.addFile(
+            os.path.join(MODULE_PATH, "assets", "toolbar_icons", "drag_pan_mode.svg"),
+            size=QSize(20, 20),
+        )
+        self.action = QAction(icon, "Drag Mouse Mode", target)
+        self.action.setCheckable(True)
+        toolbar.addAction(self.action)
+
+
+class RectangeModeAction(ToolBarAction):
+    def add_to_toolbar(self, toolbar, target):
+        icon = QIcon()
+        icon.addFile(
+            os.path.join(MODULE_PATH, "assets", "toolbar_icons", "rectangle_mode.svg"),
+            size=QSize(20, 20),
+        )
+        self.action = QAction(icon, "Rectangle Zoom Mode", target)
+        self.action.setCheckable(True)
+        toolbar.addAction(self.action)
+
+
 class AutoRangeAction(ToolBarAction):
     def add_to_toolbar(self, toolbar, target):
         icon = QIcon()

bec_widgets/widgets/waveform/waveform_widget.py

@@ -4,6 +4,8 @@ import sys
 from typing import Literal
 
 import numpy as np
+import pyqtgraph as pg
+from qtpy.QtCore import Slot
 from qtpy.QtWidgets import QVBoxLayout, QWidget
 
 from bec_widgets.qt_utils.error_popups import SafeSlot, WarningPopupUtility
@@ -75,6 +77,8 @@ class BECWaveformWidget(BECConnector, QWidget):
                 "save": SaveAction(),
                 "matplotlib": MatplotlibAction(),
                 "separator_1": SeparatorAction(),
+                "drag_mode": DragModeAction(),
+                "rectangle_mode": RectangeModeAction(),
                 "auto_range": AutoRangeAction(),
                 "separator_2": SeparatorAction(),
                 "curves": CurveAction(),
@@ -107,6 +111,10 @@ class BECWaveformWidget(BECConnector, QWidget):
     def _hook_actions(self):
         self.toolbar.widgets["save"].action.triggered.connect(self.export)
         self.toolbar.widgets["matplotlib"].action.triggered.connect(self.export_to_matplotlib)
+        self.toolbar.widgets["drag_mode"].action.triggered.connect(self.enable_mouse_pan_mode)
+        self.toolbar.widgets["rectangle_mode"].action.triggered.connect(
+            self.enable_mouse_rectangle_mode
+        )
         self.toolbar.widgets["auto_range"].action.triggered.connect(self._auto_range_from_toolbar)
         self.toolbar.widgets["curves"].action.triggered.connect(self.show_curve_settings)
         self.toolbar.widgets["fit_params"].action.triggered.connect(self.show_fit_summary_dialog)
@@ -118,6 +126,9 @@ class BECWaveformWidget(BECConnector, QWidget):
         #     lambda: self.save_config(path=None, gui=True)
         # )
 
+    ###################################
+    # Dialog Windows
+    ###################################
     def show_axis_settings(self):
         dialog = SettingsDialog(
             self,
@@ -508,6 +519,18 @@ class BECWaveformWidget(BECConnector, QWidget):
         """
         self.waveform.lock_aspect_ratio(lock)
 
+    @Slot()
+    def enable_mouse_rectangle_mode(self):
+        self.toolbar.widgets["rectangle_mode"].action.setChecked(True)
+        self.toolbar.widgets["drag_mode"].action.setChecked(False)
+        self.waveform.plot_item.getViewBox().setMouseMode(pg.ViewBox.RectMode)
+
+    @Slot()
+    def enable_mouse_pan_mode(self):
+        self.toolbar.widgets["drag_mode"].action.setChecked(True)
+        self.toolbar.widgets["rectangle_mode"].action.setChecked(False)
+        self.waveform.plot_item.getViewBox().setMouseMode(pg.ViewBox.PanMode)
+
     def export(self):
         """
         Show the export dialog for the plot widget.