Merge pull request matplotlib#8722 from anntzer/wxidle

No longer connect to idle event on wx.

Author: QuLogic

doc/api/api_changes/2017-06-06-AL_wxidle.rst

@@ -0,0 +1,7 @@
+WX no longer calls generates ``IdleEvent`` events or calls ``idle_event``
+`````````````````````````````````````````````````````````````````````````
+
+Removed unused private method ``_onIdle`` from ``FigureCanvasWx``.
+
+The ``IdleEvent`` class and ``FigureCanvasBase.idle_event`` method
+will be removed in 2.2

lib/matplotlib/backends/backend_wx.py

@@ -678,7 +678,6 @@ def do_nothing(*args, **kwargs):
         self.Bind(wx.EVT_MOTION, self._onMotion)
         self.Bind(wx.EVT_LEAVE_WINDOW, self._onLeave)
         self.Bind(wx.EVT_ENTER_WINDOW, self._onEnter)
-        self.Bind(wx.EVT_IDLE, self._onIdle)
         # Add middle button events
         self.Bind(wx.EVT_MIDDLE_DOWN, self._onMiddleButtonDown)
         self.Bind(wx.EVT_MIDDLE_DCLICK, self._onMiddleButtonDClick)
@@ -1007,11 +1006,6 @@ def _get_key(self, evt):
 
         return key
 
-    def _onIdle(self, evt):
-        'a GUI idle event'
-        evt.Skip()
-        FigureCanvasBase.idle_event(self, guiEvent=evt)
-
     def _onKeyDown(self, evt):
         """Capture key press."""
         key = self._get_key(evt)

lib/matplotlib/tests/test_backends_interactive.py

@@ -10,9 +10,6 @@
 # PyPI-installable on Travis.  They are not available for all tested Python
 # versions so we don't fail on missing backends.
 #
-# Once the Travis build environment switches to Ubuntu 14.04, we should be able
-# to add wxagg (which has wheels for 14.04 but not for 12.04).
-#
 # We also don't test on Py2 because its subprocess module doesn't support
 # timeouts, and it would require a separate code path to check for module
 # existence without actually trying to import the module (which may install