void wxAppBase::ProcessPendingEvents()
{
// ensure that we're the only thread to modify the pending events list
- wxCRIT_SECT_LOCKER(locker, *wxPendingEventsLocker);
+ wxENTER_CRIT_SECT( *wxPendingEventsLocker );
if ( !wxPendingEvents )
+ {
+ wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
return;
+ }
// iterate until the list becomes empty
wxNode *node = wxPendingEvents->First();
while (node)
{
wxEvtHandler *handler = (wxEvtHandler *)node->Data();
+ delete node;
+ // In ProcessPendingEvents(), new handlers might be add
+ // and we can safely leave the critical section here.
+ wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
handler->ProcessPendingEvents();
+ wxENTER_CRIT_SECT( *wxPendingEventsLocker );
- delete node;
node = wxPendingEvents->First();
}
+
+ wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
}
int wxAppBase::OnExit()
bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
{
-#if defined(__VISAGECPP__)
- wxCriticalSectionLocker locker(m_eventsLocker);
-#else
- wxCriticalSectionLocker locker(*m_eventsLocker);
-#endif
-
// check that we are really in a child thread
wxASSERT_MSG( !wxThread::IsMain(),
wxT("use ProcessEvent() in main thread") );
void wxEvtHandler::AddPendingEvent(wxEvent& event)
{
+ // 1) Add event to list of pending events of this event handler
+
+#if defined(__VISAGECPP__)
+ wxENTER_CRIT_SECT( m_eventsLocker);
+#else
+ wxENTER_CRIT_SECT( *m_eventsLocker);
+#endif
+
if ( !m_pendingEvents )
m_pendingEvents = new wxList;
m_pendingEvents->Append(event2);
+#if defined(__VISAGECPP__)
+ wxLEAVE_CRIT_SECT( m_eventsLocker);
+#else
+ wxLEAVE_CRIT_SECT( *m_eventsLocker);
+#endif
+
+ // 2) Add this event handler to list of event handlers that
+ // have pending events.
+
wxENTER_CRIT_SECT(*wxPendingEventsLocker);
if ( !wxPendingEvents )
wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
+ // 3) Inform the system that new pending events are somwehere,
+ // and that these should be processed in idle time.
+
wxWakeUpIdle();
}
void wxEvtHandler::ProcessPendingEvents()
{
#if defined(__VISAGECPP__)
- wxCRIT_SECT_LOCKER(locker, m_eventsLocker);
+ wxENTER_CRIT_SECT( m_eventsLocker);
#else
- wxCRIT_SECT_LOCKER(locker, *m_eventsLocker);
+ wxENTER_CRIT_SECT( *m_eventsLocker);
#endif
wxNode *node = m_pendingEvents->First();
- wxEvent *event;
-
while ( node )
{
- event = (wxEvent *)node->Data();
+ wxEvent *event = (wxEvent *)node->Data();
+ delete node;
+
+ // In ProcessEvent, new events might get added and
+ // we can safely leave the crtical section here.
+#if defined(__VISAGECPP__)
+ wxLEAVE_CRIT_SECT( m_eventsLocker);
+#else
+ wxLEAVE_CRIT_SECT( *m_eventsLocker);
+#endif
ProcessEvent(*event);
delete event;
- delete node;
+#if defined(__VISAGECPP__)
+ wxENTER_CRIT_SECT( m_eventsLocker);
+#else
+ wxENTER_CRIT_SECT( *m_eventsLocker);
+#endif
+
node = m_pendingEvents->First();
}
+
+#if defined(__VISAGECPP__)
+ wxLEAVE_CRIT_SECT( m_eventsLocker);
+#else
+ wxLEAVE_CRIT_SECT( *m_eventsLocker);
+#endif
}
/*