Fixes #8: contrast panel / min/max selection tools

Author: PierreRaybaut

CHANGELOG.md

@@ -9,6 +9,7 @@
 * [Issue #5](https://github.com/PlotPyStack/PlotPy/issues/5) - Contrast panel: levels histogram is sometimes not updated
 * [Issue #6](https://github.com/PlotPyStack/PlotPy/issues/6) - 1D Histogram items are not properly drawn
 * [Issue #7](https://github.com/PlotPyStack/PlotPy/issues/7) - Contrast panel: histogram may contains zeros periodically due to improper bin sizes
+* [Issue #8](https://github.com/PlotPyStack/PlotPy/issues/8) - Contrast panel: switch back to default tool after selecting min/max
 
 ## Version 2.0.1 ##
 

plotpy/panels/contrastadjustment.py

@@ -475,6 +475,7 @@ def configure_panel(self) -> None:
             tip=_("Select minimum level on image"),
             toolbar_id="contrast",
             end_callback=self.apply_min_selection,
+            switch_to_default_tool=True,
         )
         self.max_select_tool = self.manager.add_tool(
             SelectPointTool,
@@ -484,6 +485,7 @@ def configure_panel(self) -> None:
             tip=_("Select maximum level on image"),
             toolbar_id="contrast",
             end_callback=self.apply_max_selection,
+            switch_to_default_tool=True,
         )
 
     def get_plot(self) -> BasePlot:
@@ -544,6 +546,7 @@ def apply_min_selection(self, tool: SelectPointTool) -> None:
         point = self.min_select_tool.get_coordinates()
         z = item.get_data(*point)
         self.histogram.set_min(z)
+        tool.SIG_TOOL_JOB_FINISHED.emit()
 
     def apply_max_selection(self, tool: SelectPointTool) -> None:
         """Apply maximum selection
@@ -555,6 +558,7 @@ def apply_max_selection(self, tool: SelectPointTool) -> None:
         point = self.max_select_tool.get_coordinates()
         z = item.get_data(*point)
         self.histogram.set_max(z)
+        tool.SIG_TOOL_JOB_FINISHED.emit()
 
     def set_range(self, _min: float, _max: float) -> None:
         """Set contrast panel's histogram range