Fix LocationEvent to use default mouse_grabber for inaxes.

lkjell · lkjell · commit 0d4f245b40ac · 2018-03-06T02:19:09.000+01:00
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
@@ -1496,7 +1496,10 @@ def __init__(self, name, canvas, x, y, guiEvent=None):
             self._update_enter_leave()
             return
 
-        self.inaxes = self.canvas.figure.inaxes((x, y))
+        if self.canvas.mouse_grabber is None:
+            self.inaxes = self.canvas.figure.inaxes((x, y))
+        else:
+            self.inaxes = self.canvas.mouse_grabber
 
         if self.inaxes is not None:
             try:
