+int wxAppConsoleBase::FilterEvent(wxEvent& WXUNUSED(event))
+{
+ // process the events normally by default
+ return -1;
+}
+
+void wxAppConsoleBase::DelayPendingEventHandler(wxEvtHandler* toDelay)
+{
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+
+ // move the handler from the list of handlers with processable pending events
+ // to the list of handlers with pending events which needs to be processed later
+ m_handlersWithPendingEvents.Remove(toDelay);
+
+ if (m_handlersWithPendingDelayedEvents.Index(toDelay) == wxNOT_FOUND)
+ m_handlersWithPendingDelayedEvents.Add(toDelay);
+
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+}
+
+void wxAppConsoleBase::RemovePendingEventHandler(wxEvtHandler* toRemove)
+{
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+
+ if (m_handlersWithPendingEvents.Index(toRemove) != wxNOT_FOUND)
+ {
+ m_handlersWithPendingEvents.Remove(toRemove);
+
+ // check that the handler was present only once in the list
+ wxASSERT_MSG( m_handlersWithPendingEvents.Index(toRemove) == wxNOT_FOUND,
+ "Handler occurs twice in the m_handlersWithPendingEvents list!" );
+ }
+ //else: it wasn't in this list at all, it's ok
+
+ if (m_handlersWithPendingDelayedEvents.Index(toRemove) != wxNOT_FOUND)
+ {
+ m_handlersWithPendingDelayedEvents.Remove(toRemove);
+
+ // check that the handler was present only once in the list
+ wxASSERT_MSG( m_handlersWithPendingDelayedEvents.Index(toRemove) == wxNOT_FOUND,
+ "Handler occurs twice in m_handlersWithPendingDelayedEvents list!" );
+ }
+ //else: it wasn't in this list at all, it's ok
+
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+}
+
+void wxAppConsoleBase::AppendPendingEventHandler(wxEvtHandler* toAppend)
+{
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+
+ if ( m_handlersWithPendingEvents.Index(toAppend) == wxNOT_FOUND )
+ m_handlersWithPendingEvents.Add(toAppend);
+
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+}
+
+bool wxAppConsoleBase::HasPendingEvents() const
+{
+ wxENTER_CRIT_SECT(const_cast<wxAppConsoleBase*>(this)->m_handlersWithPendingEventsLocker);
+
+ bool has = !m_handlersWithPendingEvents.IsEmpty();
+
+ wxLEAVE_CRIT_SECT(const_cast<wxAppConsoleBase*>(this)->m_handlersWithPendingEventsLocker);
+
+ return has;
+}
+
+void wxAppConsoleBase::SuspendProcessingOfPendingEvents()
+{
+ m_bDoPendingEventProcessing = false;
+}
+
+void wxAppConsoleBase::ResumeProcessingOfPendingEvents()
+{
+ m_bDoPendingEventProcessing = true;
+}
+
+void wxAppConsoleBase::ProcessPendingEvents()
+{
+ if ( m_bDoPendingEventProcessing )
+ {
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+
+ wxCHECK_RET( m_handlersWithPendingDelayedEvents.IsEmpty(),
+ "this helper list should be empty" );
+
+ // iterate until the list becomes empty: the handlers remove themselves
+ // from it when they don't have any more pending events
+ while (!m_handlersWithPendingEvents.IsEmpty())
+ {
+ // In ProcessPendingEvents(), new handlers might be added
+ // and we can safely leave the critical section here.
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+
+ // NOTE: we always call ProcessPendingEvents() on the first event handler
+ // with pending events because handlers auto-remove themselves
+ // from this list (see RemovePendingEventHandler) if they have no
+ // more pending events.
+ m_handlersWithPendingEvents[0]->ProcessPendingEvents();
+
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+ }
+
+ // now the wxHandlersWithPendingEvents is surely empty; however some event
+ // handlers may have moved themselves into wxHandlersWithPendingDelayedEvents
+ // because of a selective wxYield call in progress.
+ // Now we need to move them back to wxHandlersWithPendingEvents so the next
+ // call to this function has the chance of processing them:
+ if (!m_handlersWithPendingDelayedEvents.IsEmpty())
+ {
+ WX_APPEND_ARRAY(m_handlersWithPendingEvents, m_handlersWithPendingDelayedEvents);
+ m_handlersWithPendingDelayedEvents.Clear();
+ }
+
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+ }
+
+ // Garbage collect all objects previously scheduled for destruction.
+ DeletePendingObjects();
+}
+
+void wxAppConsoleBase::DeletePendingEvents()
+{
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+
+ wxCHECK_RET( m_handlersWithPendingDelayedEvents.IsEmpty(),
+ "this helper list should be empty" );
+
+ for (unsigned int i=0; i<m_handlersWithPendingEvents.GetCount(); i++)
+ m_handlersWithPendingEvents[i]->DeletePendingEvents();
+
+ m_handlersWithPendingEvents.Clear();
+
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+}
projects / wxWidgets.git / blobdiff