Make on_key_release use the state_modifier_keys

blink1073 · blink1073 · commit 819804fda0bc · 2015-09-01T08:13:13.000-05:00
diff --git a/lib/matplotlib/widgets.py b/lib/matplotlib/widgets.py
@@ -1346,10 +1346,9 @@ def on_key_release(self, event):
         """Key release event handler and validator"""
         if self.active:
             key = event.key or ''
-            if 'shift' in key:
-                self.state.discard('square')
-            if 'ctrl' in key or 'control' in key:
-                self.state.discard('center')
+            for (state, modifier) in self.state_modifier_keys.items():
+                if modifier in key:
+                    self.state.discard(state)
             self._on_key_release(event)
 
     def _on_key_release(self, event):
