Merge pull request #254 from BiAPoL/fix_reset_zoom

Fix reset zoom

napari_clusters_plotter/_Qt_code.py

@@ -527,6 +527,7 @@ def __init__(self, parent=None, width=7, height=4, manual_clustering_method=None
 
         self.match_napari_layout()
         self.xylim = None
+        self.last_xy_labels = None
 
         super().__init__(self.fig)
         self.mpl_connect("draw_event", self.on_draw)
@@ -554,6 +555,7 @@ def reset_zoom(self):
             self.axes.set_ylim(self.xylim[1])
 
     def on_draw(self, event):
+        self.last_xy_labels = (self.axes.get_xlabel(), self.axes.get_ylabel())
         self.xylim = (self.axes.get_xlim(), self.axes.get_ylim())
 
     def draw_rectangle(self, eclick, erelease):

napari_clusters_plotter/_plotter.py

@@ -787,6 +787,11 @@ def run(
                     self.graphics_widget.axes.set_ylabel(plot_y_axis_name)
 
             self.graphics_widget.match_napari_layout()
+            self.graphics_widget.draw()
+
+        if self.graphics_widget.last_xy_labels != (plot_x_axis_name, plot_y_axis_name):
+            # Additional redraw in case axis have changed, otherwise y-axis may not get updated. General redraw would
+            # resets the zoom, which needs to be avoided.
+            self.graphics_widget.draw()
 
-        self.graphics_widget.draw()  # Always redraws, oterwise y-axis may not get updated in histograms
         self.graphics_widget.reset_zoom()