wxTopLevelWindowBase::~wxTopLevelWindowBase()
{
// don't let wxTheApp keep any stale pointers to us
if ( wxTheApp && wxTheApp->GetTopWindow() == this )
wxTheApp->SetTopWindow(NULL);
bool shouldExit = IsLastBeforeExit();
wxTopLevelWindows.DeleteObject(this);
if ( shouldExit )
{
// then do it
wxTheApp->ExitMainLoop();
}
}
wxTopLevelWindowBase::~wxTopLevelWindowBase()
{
// don't let wxTheApp keep any stale pointers to us
if ( wxTheApp && wxTheApp->GetTopWindow() == this )
wxTheApp->SetTopWindow(NULL);
wxTopLevelWindows.DeleteObject(this);
// delete any our top level children which are still pending for deletion
// immediately: this could happen if a child (e.g. a temporary dialog
// created with this window as parent) was Destroy()'d) while this window
// was deleted directly (with delete, or maybe just because it was created
// on the stack) immediately afterwards and before the child TLW was really
// destroyed -- not destroying it now would leave it alive with a dangling
// parent pointer and result in a crash later
for ( wxObjectList::iterator i = wxPendingDelete.begin();
i != wxPendingDelete.end();
)
{
wxWindow * const win = wxDynamicCast(*i, wxWindow);
if ( win && win->GetParent() == this )
{
wxPendingDelete.erase(i);
delete win;
// deleting it invalidated the list (and not only one node because
// it could have resulted in deletion of other objects to)
i = wxPendingDelete.begin();
}
else
{
++i;
}
}
if ( IsLastBeforeExit() )
{
// no other (important) windows left, quit the app
wxTheApp->ExitMainLoop();
}
}
MyChild::~MyChild()
{
if ( IsLastBeforeExit() )
PostQuitMessage(0);
}
