backend gtk3, qt5/qt4 and wx pass in coordinates when entering figure.

lkjell · lkjell · commit ce7687574935 · 2018-03-04T22:54:03.000+01:00
diff --git a/lib/matplotlib/backends/backend_gtk3.py b/lib/matplotlib/backends/backend_gtk3.py
@@ -225,7 +225,10 @@ def leave_notify_event(self, widget, event):
         FigureCanvasBase.leave_notify_event(self, event)
 
     def enter_notify_event(self, widget, event):
-        FigureCanvasBase.enter_notify_event(self, event)
+        x = event.x
+        # flipy so y=0 is bottom of canvas
+        y = self.get_allocation().height - event.y
+        FigureCanvasBase.enter_notify_event(self, guiEvent=event, xy=(x, y))
 
     def size_allocate(self, widget, allocation):
         dpival = self.figure.dpi
diff --git a/lib/matplotlib/backends/backend_qt5.py b/lib/matplotlib/backends/backend_qt5.py
@@ -299,7 +299,8 @@ def get_width_height(self):
         return int(w / self._dpi_ratio), int(h / self._dpi_ratio)
 
     def enterEvent(self, event):
-        FigureCanvasBase.enter_notify_event(self, guiEvent=event)
+        x, y = self.mouseEventCoords(event.pos())
+        FigureCanvasBase.enter_notify_event(self, guiEvent=event, xy=(x, y))
 
     def leaveEvent(self, event):
         QtWidgets.QApplication.restoreOverrideCursor()
diff --git a/lib/matplotlib/backends/backend_wx.py b/lib/matplotlib/backends/backend_wx.py
@@ -1053,7 +1053,10 @@ def _onLeave(self, evt):
 
     def _onEnter(self, evt):
         """Mouse has entered the window."""
-        FigureCanvasBase.enter_notify_event(self, guiEvent=evt)
+        x = evt.GetX()
+        y = self.figure.bbox.height - evt.GetY()
+        evt.Skip()
+        FigureCanvasBase.enter_notify_event(self, guiEvent=evt, xy=(x, y))
 
 
 class FigureCanvasWx(_FigureCanvasWxBase):
