wxPopupTransientWindow::~wxPopupTransientWindow()
{
- PopHandlers();
+ if (m_handlerPopup && m_handlerPopup->GetNextHandler())
+ PopHandlers();
+
+ wxASSERT(!m_handlerFocus || !m_handlerFocus->GetNextHandler());
+ wxASSERT(!m_handlerPopup || !m_handlerPopup->GetNextHandler());
+
+ delete m_handlerFocus;
+ delete m_handlerPopup;
}
void wxPopupTransientWindow::PopHandlers()
{
if ( m_child )
{
- if ( m_handlerPopup && !m_child->RemoveEventHandler(m_handlerPopup) )
+ if ( !m_child->RemoveEventHandler(m_handlerPopup) )
{
// something is very wrong and someone else probably deleted our
// handler - so don't risk deleting it second time
m_child = NULL;
}
-#ifdef __WXMSW__
if ( m_focus )
{
- if ( m_handlerFocus && !m_focus->RemoveEventHandler(m_handlerFocus) )
+ if ( !m_focus->RemoveEventHandler(m_handlerFocus) )
{
// see above
m_handlerFocus = NULL;
}
}
-#else
- if ( m_handlerFocus && !RemoveEventHandler(m_handlerFocus) )
- {
- // see above
- m_handlerFocus = NULL;
- }
-#endif
-
- // delete the handlers, they'll be created as necessary in Popup()
- delete m_handlerPopup;
- m_handlerPopup = NULL;
- delete m_handlerFocus;
- m_handlerFocus = NULL;
-
m_focus = NULL;
}
Show();
- // There is is a problem if these are still valid
- wxASSERT_MSG(!m_handlerPopup, wxT("Popup handler not deleted"));
- wxASSERT_MSG(!m_handlerFocus, wxT("Focus handler not deleted"));
+ // There is is a problem if these are still in use
+ wxASSERT(!m_handlerFocus || !m_handlerFocus->GetNextHandler());
+ wxASSERT(!m_handlerPopup || !m_handlerPopup->GetNextHandler());
- delete m_handlerPopup;
- m_handlerPopup = new wxPopupWindowHandler(this);
+ if (!m_handlerPopup)
+ m_handlerPopup = new wxPopupWindowHandler(this);
m_child->PushEventHandler(m_handlerPopup);
// subclass the window which has the focus, and not winFocus passed in or
// otherwise everything else breaks down
m_focus = FindFocus();
+#elif __WXGTK__
+ // GTK+ catches the activate events from the popup
+ // window, not the focus events from the child window
+ m_focus = this;
+#endif
+
if ( m_focus )
{
- delete m_handlerFocus;
- m_handlerFocus = new wxPopupFocusHandler(this);
+ if (!m_handlerFocus)
+ m_handlerFocus = new wxPopupFocusHandler(this);
m_focus->PushEventHandler(m_handlerFocus);
}
-#else
- // GTK+ catches the activate events from the popup
- // window, not the focus events from the child window
- delete m_handlerFocus;
- m_handlerFocus = new wxPopupFocusHandler(this);
- PushEventHandler(m_handlerFocus);
-#endif // __WXMSW__
// catch destroy events, if you close a program with a popup shown in MSW
// you get a segfault if m_child or m_focus are deleted before this is
m_child->Connect(wxEVT_DESTROY,
wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
NULL, this);
- m_focus->Connect(wxEVT_DESTROY,
- wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
- NULL, this);
+ if (m_focus)
+ m_focus->Connect(wxEVT_DESTROY,
+ wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
+ NULL, this);
}
bool wxPopupTransientWindow::Show( bool show )