- // Window gets a click down message followed by a mouse move message even
- // if position isn't changed! We want to discard the trailing move event
- // if x and y are the same.
- if ( (m_lastMouseEvent == wxEVT_RIGHT_DOWN ||
- m_lastMouseEvent == wxEVT_LEFT_DOWN ||
- m_lastMouseEvent == wxEVT_MIDDLE_DOWN) &&
- (m_lastMouseX == x && m_lastMouseY == y) )
- {
- m_lastMouseEvent = wxEVT_MOTION;
+ // Windows often generates mouse events even if mouse position hasn't
+ // changed (http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/66576)
+ //
+ // Filter this out as it can result in unexpected behaviour compared to
+ // other platforms
+ if ( gs_lastMouseEvent.type == wxEVT_RIGHT_DOWN ||
+ gs_lastMouseEvent.type == wxEVT_LEFT_DOWN ||
+ gs_lastMouseEvent.type == wxEVT_MIDDLE_DOWN ||
+ gs_lastMouseEvent.type == wxEVT_MOTION )
+ {
+ if ( ClientToScreen(wxPoint(x, y)) == gs_lastMouseEvent.pos )
+ {
+ gs_lastMouseEvent.type = wxEVT_MOTION;