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guarding against events sent to semi-destroyed instances, fixes #10418

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@58509 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2009-01-30 08:01:41 +00:00
parent adf8a83f4f
commit 66ddd74d23
1 changed files with 29 additions and 23 deletions
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52
src/mac/carbon/window.cpp
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@@ -344,42 +344,48 @@ static pascal OSStatus wxMacWindowControlEventHandler( EventHandlerCallRef handl
ControlPartCode currentControlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlCurrentPart , typeControlPartCode );
if ( currentControlPart == 0 )
{
// kill focus
if ( thisWindow->IsBeingDeleted() == false )
{
// kill focus
#if wxUSE_CARET
if ( thisWindow->GetCaret() )
thisWindow->GetCaret()->OnKillFocus();
if ( thisWindow->GetCaret() )
thisWindow->GetCaret()->OnKillFocus();
#endif
wxLogTrace(_T("Focus"), _T("focus lost(%p)"), wx_static_cast(void*, thisWindow));
wxLogTrace(_T("Focus"), _T("focus lost(%p)"), wx_static_cast(void*, thisWindow));
// remove this as soon as posting the synthesized event works properly
static bool inKillFocusEvent = false ;
// remove this as soon as posting the synthesized event works properly
static bool inKillFocusEvent = false ;
if ( !inKillFocusEvent )
{
inKillFocusEvent = true ;
wxFocusEvent event( wxEVT_KILL_FOCUS, thisWindow->GetId());
event.SetEventObject(thisWindow);
thisWindow->GetEventHandler()->ProcessEvent(event) ;
inKillFocusEvent = false ;
if ( !inKillFocusEvent )
{
inKillFocusEvent = true ;
wxFocusEvent event( wxEVT_KILL_FOCUS, thisWindow->GetId());
event.SetEventObject(thisWindow);
thisWindow->GetEventHandler()->ProcessEvent(event) ;
inKillFocusEvent = false ;
}
}
}
else if ( previousControlPart == 0 )
{
// set focus
// panel wants to track the window which was the last to have focus in it
wxLogTrace(_T("Focus"), _T("focus set(%p)"), wx_static_cast(void*, thisWindow));
wxChildFocusEvent eventFocus((wxWindow*)thisWindow);
thisWindow->GetEventHandler()->ProcessEvent(eventFocus);
if ( thisWindow->IsBeingDeleted() == false )
{
// set focus
// panel wants to track the window which was the last to have focus in it
wxLogTrace(_T("Focus"), _T("focus set(%p)"), wx_static_cast(void*, thisWindow));
wxChildFocusEvent eventFocus((wxWindow*)thisWindow);
thisWindow->GetEventHandler()->ProcessEvent(eventFocus);
#if wxUSE_CARET
if ( thisWindow->GetCaret() )
thisWindow->GetCaret()->OnSetFocus();
if ( thisWindow->GetCaret() )
thisWindow->GetCaret()->OnSetFocus();
#endif
wxFocusEvent event(wxEVT_SET_FOCUS, thisWindow->GetId());
event.SetEventObject(thisWindow);
thisWindow->GetEventHandler()->ProcessEvent(event) ;
wxFocusEvent event(wxEVT_SET_FOCUS, thisWindow->GetId());
event.SetEventObject(thisWindow);
thisWindow->GetEventHandler()->ProcessEvent(event) ;
}
}
}
break;