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[wxWidgets.git] / src / common / evtloopcmn.cpp

diff --git a/src/common/evtloopcmn.cpp b/src/common/evtloopcmn.cpp
index 29e2d7c4235340c05e4e8eb746ab49fd4cd52404..15813725a8843c9374f707529074942df0cc27a9 100644 (file)
--- a/src/common/evtloopcmn.cpp
+++ b/src/common/evtloopcmn.cpp
@@ -34,114 +34,26 @@ wxEventLoopBase::wxEventLoopBase()
     m_eventsToProcessInsideYield = wxEVT_CATEGORY_ALL;
 }
 
-void wxEventLoopBase::DelayPendingEventHandler(wxEvtHandler* toDelay)
+bool wxEventLoopBase::IsMain() const
 {
-    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)
-{
-    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.
-        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);
+    if (wxTheApp)
+        wxTheApp->OnEventLoopExit(this);
 }
 
 void wxEventLoopBase::WakeUpIdle()
@@ -151,13 +63,17 @@ 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();
 }