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Allow wx parents a chance to handle events fired by non-wx children. (i.e. wxActiveX controls)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36450 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Kevin Ollivier 2005-12-19 01:39:54 +00:00
parent b19d928925
commit 89c8318014
1 changed files with 20 additions and 8 deletions
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28
src/msw/evtloop.cpp
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@ -124,23 +124,35 @@ bool wxEventLoop::IsChildOfCriticalWindow(wxWindowMSW *win)
bool wxEventLoop::PreProcessMessage(WXMSG *msg)
{
HWND hwnd = msg->hwnd;
wxWindow * const wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
wxWindow *wnd;
// this may happen if the event occurred in a standard modeless dialog (the
// only example of which I know of is the find/replace dialog) - then call
// IsDialogMessage() to make TAB navigation in it work
wxWindow* parent = NULL;
// this might happen if we're in a modeless dialog, or if a wx control has
// children which themselves were not created by wx (i.e. wxActiveX control children)
if ( !wndThis )
{
// we need to find the dialog containing this control as
// IsDialogMessage() just eats all the messages (i.e. returns true for
// them) if we call it for the control itself
while ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
{
hwnd = ::GetParent(hwnd);
// If the control has a wx parent, break and give the parent a chance
// to process the window message
wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
if (wndThis != NULL)
break;
}
return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
if ( !wndThis ){
// this may happen if the event occurred in a standard modeless dialog (the
// only example of which I know of is the find/replace dialog) - then call
// IsDialogMessage() to make TAB navigation in it work
// NOTE: IsDialogMessage() just eats all the messages (i.e. returns true for
// them) if we call it for the control itself
return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
}
}
if ( !AllowProcessing(wndThis) )