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filter out duplicate mouse move events too; moved last mouse event info from wxWindow class to static variables (there is only one mouse in the system after all, no need to duplicate this data in all windows)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35855 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2005-10-09 13:04:40 +00:00
parent 2eef85139b
commit c358ea4147
2 changed files with 36 additions and 36 deletions
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54
src/msw/window.cpp
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@@ -123,6 +123,14 @@
// by setting this to 0 (in the future this should be removed completely)
#define USE_DEFERRED_SIZING 1
// set this to 1 to filter out duplicate mouse events, e.g. mouse move events
// when mouse position didnd't change
#ifdef __WXWINCE__
#define wxUSE_MOUSEEVENT_HACK 0
#else
#define wxUSE_MOUSEEVENT_HACK 1
#endif
// ---------------------------------------------------------------------------
// global variables
// ---------------------------------------------------------------------------
@@ -141,6 +149,18 @@ extern const wxChar *wxCanvasClassName;
// wxGetStdColourMap() and wxWindow::OnSysColourChanged() (FIXME-MT)
static bool gs_hasStdCmap = false;
// last mouse event information we need to filter out the duplicates
#if wxUSE_MOUSEEVENT_HACK
static struct
{
// mouse position (in screen coordinates)
wxPoint pos;
// last mouse event type
wxEventType type;
} gs_lastMouseEvent;
#endif // wxUSE_MOUSEEVENT_HACK
// ---------------------------------------------------------------------------
// private functions
// ---------------------------------------------------------------------------
@@ -462,12 +482,6 @@ void wxWindowMSW::Init()
m_xThumbSize = 0;
m_yThumbSize = 0;
#if wxUSE_MOUSEEVENT_HACK
m_lastMouseX =
m_lastMouseY = -1;
m_lastMouseEvent = -1;
#endif // wxUSE_MOUSEEVENT_HACK
m_pendingPosition = wxDefaultPosition;
m_pendingSize = wxDefaultSize;
}
@@ -4493,9 +4507,8 @@ void wxWindowMSW::InitMouseEvent(wxMouseEvent& event,
event.SetId(GetId());
#if wxUSE_MOUSEEVENT_HACK
m_lastMouseX = x;
m_lastMouseY = y;
m_lastMouseEvent = event.GetEventType();
gs_lastMouseEvent.pos = ClientToScreen(wxPoint(x, y));
gs_lastMouseEvent.type = event.GetEventType();
#endif // wxUSE_MOUSEEVENT_HACK
}
@@ -4635,17 +4648,22 @@ bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
#endif // HAVE_TRACKMOUSEEVENT
#if wxUSE_MOUSEEVENT_HACK
// 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) )
// 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 )
{
m_lastMouseEvent = wxEVT_MOTION;
if ( ClientToScreen(wxPoint(x, y)) == gs_lastMouseEvent.pos )
{
gs_lastMouseEvent.type = wxEVT_MOTION;
return false;
return false;
}
}
#endif // wxUSE_MOUSEEVENT_HACK