FIX: allow many modifiers

tacaswell · tacaswell · commit d4ab1b2959be · 2021-02-17T15:41:13.000-05:00
diff --git a/lib/matplotlib/backends/_backend_tk.py b/lib/matplotlib/backends/_backend_tk.py
@@ -352,7 +352,7 @@ def _get_key(self, event):
                 if event.state & (1 << bitmask) and key_name not in key:
                     if not (prefix == 'shift' and unikey):
                         key = '{0}+{1}'.format(prefix, key)
-                    break
+
         return key
 
     def key_press(self, event):
diff --git a/lib/matplotlib/backends/backend_gtk3.py b/lib/matplotlib/backends/backend_gtk3.py
@@ -227,7 +227,6 @@ def _get_key(self, event):
             if event.state & key_mask:
                 if not (prefix == 'shift' and unikey.isprintable()):
                     key = '{0}+{1}'.format(prefix, key)
-                break
         return key
 
     def configure_event(self, widget, event):
diff --git a/lib/matplotlib/backends/backend_qt5.py b/lib/matplotlib/backends/backend_qt5.py
@@ -412,11 +412,7 @@ def _get_key(self, event):
             else:
                 key = key.lower()
 
-        for mod in mods:
-            key = '{0}+{1}'.format(mod, key)
-            break
-
-        return key
+        return '+'.join(mods + [key])
 
     def flush_events(self):
         # docstring inherited
diff --git a/lib/matplotlib/backends/backend_wx.py b/lib/matplotlib/backends/backend_wx.py
@@ -726,7 +726,6 @@ def _get_key(self, event):
             if meth() and key_name != key:
                 if not (key_name == 'shift' and key.isupper()):
                     key = '{0}+{1}'.format(prefix, key)
-                break
 
         return key
 
