Committing in .

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

diff --git a/src/common/event.cpp b/src/common/event.cpp
index b41f00363abb460ae80b552b1c897180badd995b..795bbef44856bbc83d6004b09c21da7a95bf9c79 100644 (file)
--- a/src/common/event.cpp
+++ b/src/common/event.cpp
@@ -542,7 +542,9 @@ wxEvtHandler::wxEvtHandler()
     m_isWindow = FALSE;
     m_pendingEvents = (wxList *) NULL;
 #if wxUSE_THREADS
     m_isWindow = FALSE;
     m_pendingEvents = (wxList *) NULL;
 #if wxUSE_THREADS

+#  if !defined(__VISAGECPP__)

     m_eventsLocker = new wxCriticalSection;
     m_eventsLocker = new wxCriticalSection;

+#  endif

 #endif
 }
 
 #endif
 }
 


@@ -571,7 +573,9 @@ wxEvtHandler::~wxEvtHandler()
     delete m_pendingEvents;
 
 #if wxUSE_THREADS
     delete m_pendingEvents;
 
 #if wxUSE_THREADS

+#  if !defined(__VISAGECPP__)

     delete m_eventsLocker;
     delete m_eventsLocker;

+#  endif

 #endif
 }
 
 #endif
 }
 


@@ -579,8 +583,6 @@ wxEvtHandler::~wxEvtHandler()
 
 bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
 {
 
 bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
 {

-    wxCriticalSectionLocker locker(*m_eventsLocker);
-

     // check that we are really in a child thread
     wxASSERT_MSG( !wxThread::IsMain(),
                   wxT("use ProcessEvent() in main thread") );
     // check that we are really in a child thread
     wxASSERT_MSG( !wxThread::IsMain(),
                   wxT("use ProcessEvent() in main thread") );


@@ -594,6 +596,14 @@ bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
 
 void wxEvtHandler::AddPendingEvent(wxEvent& event)
 {
 
 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;
 
     if ( !m_pendingEvents )
       m_pendingEvents = new wxList;
 


@@ -601,32 +611,66 @@ void wxEvtHandler::AddPendingEvent(wxEvent& event)
 
     m_pendingEvents->Append(event2);
 
 
     m_pendingEvents->Append(event2);
 

-    wxENTER_CRIT_SECT(wxPendingEventsLocker);
+#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 )
         wxPendingEvents = new wxList;
     wxPendingEvents->Append(this);
 
 
     if ( !wxPendingEvents )
         wxPendingEvents = new wxList;
     wxPendingEvents->Append(this);
 

-    wxLEAVE_CRIT_SECT(wxPendingEventsLocker);
-
+    // 3) Inform the system that new pending events are somwehere,
+    //    and that these should be processed in idle time.
+    

     wxWakeUpIdle();
     wxWakeUpIdle();

+
+    wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);

 }
 
 void wxEvtHandler::ProcessPendingEvents()
 {
 }
 
 void wxEvtHandler::ProcessPendingEvents()
 {

-    wxCRIT_SECT_LOCKER(locker, m_eventsLocker);
+#if defined(__VISAGECPP__)
+    wxENTER_CRIT_SECT( m_eventsLocker);
+#else
+    wxENTER_CRIT_SECT( *m_eventsLocker);
+#endif

 
     wxNode *node = m_pendingEvents->First();
 
     wxNode *node = m_pendingEvents->First();

-    wxEvent *event;
-

     while ( node )
     {
     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;
         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();
     }
         node = m_pendingEvents->First();
     }

+    
+#if defined(__VISAGECPP__)
+    wxLEAVE_CRIT_SECT( m_eventsLocker);
+#else
+    wxLEAVE_CRIT_SECT( *m_eventsLocker);
+#endif

 }
 
 /*
 }
 
 /*


@@ -760,6 +804,7 @@ bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
     }
     return FALSE;
 }
     }
     return FALSE;
 }

+

 void wxEvtHandler::Connect( int id, int lastId,
                             wxEventType eventType,
                             wxObjectEventFunction func,
 void wxEvtHandler::Connect( int id, int lastId,
                             wxEventType eventType,
                             wxObjectEventFunction func,


@@ -778,6 +823,33 @@ void wxEvtHandler::Connect( int id, int lastId,
     m_dynamicEvents->Append( (wxObject*) entry );
 }
 
     m_dynamicEvents->Append( (wxObject*) entry );
 }
 

+bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
+                  wxObjectEventFunction func,
+                  wxObject *userData )
+{
+    if (!m_dynamicEvents)
+        return FALSE;
+       
+    wxNode *node = m_dynamicEvents->First();
+    while (node)
+    {
+        wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
+        if ((entry->m_id == id) &&
+            ((entry->m_lastId == lastId) || (lastId == -1)) &&
+            ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
+            ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
+            ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
+        {
+            if (entry->m_callbackUserData) delete entry->m_callbackUserData;
+            m_dynamicEvents->DeleteNode( node );
+            delete entry;
+            return TRUE;
+        }
+        node = node->Next();
+    }
+    return FALSE;
+}
+

 bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
 {
     wxCHECK_MSG( m_dynamicEvents, FALSE,
 bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
 {
     wxCHECK_MSG( m_dynamicEvents, FALSE,