wxGUI/mapswipe: fix map image flickering if position is changed by sash

OSGeo · Jun 15, 2024 · fa51e02 · fa51e02
1 parent ef6bae8
commit fa51e02
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/gui/wxpython/mapswipe/frame.py b/gui/wxpython/mapswipe/frame.py
@@ -925,6 +925,14 @@ def SashChanged(self):
 
     def OnSashChanging(self, event):
         Debug.msg(5, "MapSplitter.OnSashChanging()")
+        if event:
+            # Prevent map image flickering if it is used sash not slider
+            # for changing position
+            wx.CallAfter(self._onSashChanging, event)
+        else:
+            self._onSashChanging(event)
+
+    def _onSashChanging(self, event):
         if not self._moveSash:
             event.SetSashPosition(-1)
             return