support for back/forward mouse buttons with WX backend

Ptrskay3 · Ptrskay3 · commit c93cf1f13114 · 2021-09-11T16:39:47.000+02:00
diff --git a/lib/matplotlib/backends/backend_wx.py b/lib/matplotlib/backends/backend_wx.py
@@ -515,6 +515,12 @@ def __init__(self, parent, id, figure=None):
         self.Bind(wx.EVT_RIGHT_DOWN, self._onMouseButton)
         self.Bind(wx.EVT_RIGHT_DCLICK, self._onMouseButton)
         self.Bind(wx.EVT_RIGHT_UP, self._onMouseButton)
+        self.Bind(wx.EVT_MOUSE_AUX1_DOWN, self._onMouseButton)
+        self.Bind(wx.EVT_MOUSE_AUX1_UP, self._onMouseButton)
+        self.Bind(wx.EVT_MOUSE_AUX2_DOWN, self._onMouseButton)
+        self.Bind(wx.EVT_MOUSE_AUX2_UP, self._onMouseButton)
+        self.Bind(wx.EVT_MOUSE_AUX1_DCLICK, self._onMouseButton)
+        self.Bind(wx.EVT_MOUSE_AUX2_DCLICK, self._onMouseButton)
         self.Bind(wx.EVT_MOUSEWHEEL, self._onMouseWheel)
         self.Bind(wx.EVT_MOTION, self._onMotion)
         self.Bind(wx.EVT_LEAVE_WINDOW, self._onLeave)
@@ -766,6 +772,8 @@ def _onMouseButton(self, event):
             wx.MOUSE_BTN_LEFT: MouseButton.LEFT,
             wx.MOUSE_BTN_MIDDLE: MouseButton.MIDDLE,
             wx.MOUSE_BTN_RIGHT: MouseButton.RIGHT,
+            wx.MOUSE_BTN_AUX1: MouseButton.FORWARD,
+            wx.MOUSE_BTN_AUX2: MouseButton.BACK,
         }
         button = event.GetButton()
         button = button_map.get(button, button)
