BC++ compialtion fix (?)

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

diff --git a/src/common/event.cpp b/src/common/event.cpp
index 32b436d3a969331365109d4db904d62497cbb766..4b157d7e99d4525b4ce454ad0880a8a7a78edabe 100644 (file)
--- a/src/common/event.cpp
+++ b/src/common/event.cpp
@@ -50,7 +50,6 @@
 // wxWin macros
 // ----------------------------------------------------------------------------
 
-#if !USE_SHARED_LIBRARY
     IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
     IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
     IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
@@ -94,7 +93,6 @@
     const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
         { { 0, 0, 0, (wxObjectEventFunction) NULL, (wxObject*) NULL } };
 
-#endif // !USE_SHARED_LIBRARY
 
 // ----------------------------------------------------------------------------
 // global variables
@@ -542,7 +540,9 @@ wxEvtHandler::wxEvtHandler()
     m_isWindow = FALSE;
     m_pendingEvents = (wxList *) NULL;
 #if wxUSE_THREADS
+#  if !defined(__VISAGECPP__)
     m_eventsLocker = new wxCriticalSection;
+#  endif
 #endif
 }
 
@@ -571,7 +571,9 @@ wxEvtHandler::~wxEvtHandler()
     delete m_pendingEvents;
 
 #if wxUSE_THREADS
+#  if !defined(__VISAGECPP__)
     delete m_eventsLocker;
+#  endif
 #endif
 }
 
@@ -579,8 +581,6 @@ wxEvtHandler::~wxEvtHandler()
 
 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") );
@@ -594,6 +594,14 @@ bool wxEvtHandler::ProcessThreadEvent(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;
 
@@ -601,42 +609,66 @@ void wxEvtHandler::AddPendingEvent(wxEvent& event)
 
     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);
 
-    wxLEAVE_CRIT_SECT(wxPendingEventsLocker);
+    // 3) Inform the system that new pending events are somwehere,
+    //    and that these should be processed in idle time.
+    
+    wxWakeUpIdle();
 
-    // TODO: Wake up idle handler for the other platforms.
-#ifdef __WXGTK__
-    extern bool g_isIdle;
-    extern void wxapp_install_idle_handler();
-    if ( g_isIdle )
-        wxapp_install_idle_handler();
-#else // this works for wxMSW, but may be for others too?
-    // might also send a dummy message to the top level window, this would
-    // probably be cleaner?
-    wxIdleEvent eventIdle;
-    wxTheApp->OnIdle(eventIdle);
-#endif // platform
+    wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
 }
 
 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();
-    wxEvent *event;
-
     while ( node )
     {
-        event = (wxEvent *)node->Data();
-        ProcessEvent(*event);
+        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;
+#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
 }
 
 /*
@@ -770,6 +802,7 @@ bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
     }
     return FALSE;
 }
+
 void wxEvtHandler::Connect( int id, int lastId,
                             wxEventType eventType,
                             wxObjectEventFunction func,
@@ -788,6 +821,33 @@ void wxEvtHandler::Connect( int id, int lastId,
     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,