Merge pull request #2434 from ales-erjavec/fixes/scatter-plot-jumping-plot

[Fix] Scatter Plot: Reset the axis width only when needed

Author: BlazZupan

Orange/widgets/visualize/owscatterplot.py

@@ -496,8 +496,6 @@ def update_regression_line(self):
         self.update_graph(reset_view=False)
 
     def update_graph(self, reset_view=True, **_):
-        axis = self.graph.plot_widget.getAxis("left")
-        axis.textWidth = 0
         self.graph.zoomStack = []
         if self.graph.data is None:
             return

Orange/widgets/visualize/owscatterplotgraph.py

@@ -633,6 +633,12 @@ def update_data(self, attr_x, attr_y, reset_view=True):
         self.master.Information.missing_coords.clear()
         self._clear_plot_widget()
 
+        if self.shown_y != attr_y:
+            # 'reset' the axis text width estimation. Without this the left
+            # axis tick labels space only ever expands
+            yaxis = self.plot_widget.getAxis("left")
+            yaxis.textWidth = 30
+
         self.shown_x, self.shown_y = attr_x, attr_y
 
         if self.jittered_data is None or not len(self.jittered_data):