// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-// ============================================================================
-// declarations
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#endif //WX_PRECOMP
// ----------------------------------------------------------------------------
-// globals
+// wxEventLoopBase
// ----------------------------------------------------------------------------
wxEventLoopBase *wxEventLoopBase::ms_activeLoop = NULL;
m_eventsToProcessInsideYield = wxEVT_CATEGORY_ALL;
}
-void wxEventLoopBase::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 wxEventLoopBase::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 wxEventLoopBase::AppendPendingEventHandler(wxEvtHandler* toAppend)
+bool wxEventLoopBase::IsMain() const
{
- wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
-
- if ( m_handlersWithPendingEvents.Index(toAppend) == wxNOT_FOUND )
- m_handlersWithPendingEvents.Add(toAppend);
-
- wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
-}
-
-bool wxEventLoopBase::HasPendingEvents() const
-{
- wxENTER_CRIT_SECT(const_cast<wxEventLoopBase*>(this)->m_handlersWithPendingEventsLocker);
-
- bool has = !m_handlersWithPendingEvents.IsEmpty();
-
- wxLEAVE_CRIT_SECT(const_cast<wxEventLoopBase*>(this)->m_handlersWithPendingEventsLocker);
-
- return has;
+ if (wxTheApp)
+ return wxTheApp->GetMainLoop() == this;
+ return false;
}
-void wxEventLoopBase::SuspendProcessingOfPendingEvents()
+/* static */
+void wxEventLoopBase::SetActive(wxEventLoopBase* loop)
{
- wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
-}
+ ms_activeLoop = loop;
-void wxEventLoopBase::ResumeProcessingOfPendingEvents()
-{
- wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+ if (wxTheApp)
+ wxTheApp->OnEventLoopEnter(loop);
}
-void wxEventLoopBase::ProcessPendingEvents()
+void wxEventLoopBase::OnExit()
{
- 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.
- wxENTER_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();
-
- wxLEAVE_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);
+ if (wxTheApp)
+ wxTheApp->OnEventLoopExit(this);
}
void wxEventLoopBase::WakeUpIdle()
bool wxEventLoopBase::ProcessIdle()
{
+ if (!wxTheApp)
+ return false;
+
// process pending wx events before sending idle events
- ProcessPendingEvents();
+ wxTheApp->ProcessPendingEvents();
+ // synthetize an idle event and send it to wxApp
wxIdleEvent event;
-
event.SetEventObject(wxTheApp);
wxTheApp->ProcessEvent(event);
+
return event.MoreRequested();
}