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Applied some of [ 810965 ] Implement wxEVT_LEAVE_WINDOW with TrackMouseEvent

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24747 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart 2003-12-11 09:46:41 +00:00
parent 6f951810a1
commit e5297b7f46
1 changed files with 67 additions and 0 deletions
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67
src/msw/window.cpp
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@ -2400,6 +2400,61 @@ long wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam
wParam);
break;
#ifndef __WXWINCE__
case WM_MOUSELEAVE:
{
wxASSERT_MSG( !m_mouseInWindow, wxT("the mouse should be in a window to generate this event!") );
// only process this message if the mouse is not in the window,
// This can also check for children in composite windows.
// however, this may mean the the wxEVT_LEAVE_WINDOW is never sent
// if the mouse does not enter the window from it's child before
// leaving the scope of the window. ( perhaps this can be picked
// up in the OnIdle code as before, for this special case )
if ( /*IsComposite() && */ !IsMouseInWindow() )
{
m_mouseInWindow = FALSE;
// Unfortunately no mouse state is passed with a WM_MOUSE_LEAVE
int state = 0;
if ( wxIsShiftDown() )
state |= MK_SHIFT;
if ( wxIsCtrlDown() )
state |= MK_CONTROL;
if ( GetKeyState( VK_LBUTTON ) )
state |= MK_LBUTTON;
if ( GetKeyState( VK_MBUTTON ) )
state |= MK_MBUTTON;
if ( GetKeyState( VK_RBUTTON ) )
state |= MK_RBUTTON;
POINT pt;
if ( !::GetCursorPos(&pt) )
{
wxLogLastError(_T("GetCursorPos"));
}
// we need to have client coordinates here for symmetry with
// wxEVT_ENTER_WINDOW
RECT rect = wxGetWindowRect(GetHwnd());
pt.x -= rect.left;
pt.y -= rect.top;
wxMouseEvent event2(wxEVT_LEAVE_WINDOW);
InitMouseEvent(event2, pt.x, pt.y, state);
(void)GetEventHandler()->ProcessEvent(event2);
}
// always pass processed back as false, this allows the window
// manager to process the message too. This is needed to ensure
// windows XP themes work properly as the mouse moves over widgets
// like buttons.
processed = false;
}
break;
#endif
// __WXWINCE__
#if wxUSE_MOUSEWHEEL
case WM_MOUSEWHEEL:
processed = HandleMouseWheel(wParam, lParam);
@ -4342,6 +4397,18 @@ bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
// Generate an ENTER event
m_mouseInWindow = TRUE;
#ifndef __WXWINCE__
TRACKMOUSEEVENT trackinfo;
trackinfo.cbSize = sizeof(trackinfo);
trackinfo.dwFlags = TME_LEAVE;
trackinfo.hwndTrack = GetHwnd();
//Use the commctrl.h _TrackMouseEvent, which will call the
// appropriate TrackMouseEvent or emulate it ( win95 )
// else we need _WIN32_WINNT >= 0x0400
_TrackMouseEvent(&trackinfo);
#endif
wxMouseEvent event(wxEVT_ENTER_WINDOW);
InitMouseEvent(event, x, y, flags);