wxMac merge

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7999 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/macnotfy.cpp

@@ -0,0 +1,137 @@
+/* -------------------------------------------------------------------------
+ * Project: Mac Notifier Support
+ * Name:    macnotfy.c
+ * Author:  Stefan CSomor
+ * Purpose: Mac Notifier main file
+ * CVSID:   $Id$
+ * -------------------------------------------------------------------------
+ */
+
+#include "wx/mac/macnotfy.h"
+
+const short kMaxEvents = 1000 ;
+
+struct wxMacNotificationEvents
+{
+	short top ;
+	short bottom ;
+	
+	wxMacNotificationProcPtr proc[kMaxEvents] ;
+	unsigned long events[kMaxEvents] ;
+	void* data[kMaxEvents] ;
+} ;
+
+typedef struct wxMacNotificationEvents wxMacNotificationEvents ;
+wxMacNotificationEvents gMacNotificationEvents ;
+
+ProcessSerialNumber gSocketProcess ;
+
+void wxMacWakeUp()
+{
+	ProcessSerialNumber psn ;
+	Boolean isSame ;
+	psn.highLongOfPSN = 0 ;
+	psn.lowLongOfPSN = kCurrentProcess ;
+	SameProcess( &gSocketProcess , &psn , &isSame ) ;
+	if ( isSame )
+	{
+		PostEvent( nullEvent , 0 ) ;
+	}
+	else
+	{
+		WakeUpProcess( &gSocketProcess ) ;
+	}
+}
+
+void wxMacCreateNotifierTable()
+{
+  	GetCurrentProcess(&gSocketProcess);
+	gMacNotificationEvents.top = 0 ;
+	gMacNotificationEvents.bottom = 0 ;
+	for ( int i = 0 ; i < kMaxEvents ; ++i )
+	{
+		gMacNotificationEvents.proc[i] = NULL ;
+		gMacNotificationEvents.events[i] = NULL ;
+		gMacNotificationEvents.data[i] = NULL ;
+	}
+}
+
+void wxMacDestroyNotifierTable() 
+{
+	wxASSERT( gMacNotificationEvents.top == gMacNotificationEvents.bottom ) ;
+}
+
+wxMacNotifierTableRef wxMacGetNotifierTable() 
+{
+	return (wxMacNotifierTableRef) &gMacNotificationEvents ;
+}
+
+void wxMacAddEvent( 
+	wxMacNotifierTableRef table , 
+	wxMacNotificationProcPtr handler , 
+	unsigned long event , 
+	void* data , 
+	short wakeUp ) 
+{
+	wxMacNotificationEvents *e = (wxMacNotificationEvents *) table ;
+	/* this should be protected eventually */
+	short index = e->top++ ;
+	
+	if ( e->top == kMaxEvents )
+		e->top = 0 ;
+
+	e->proc[index] = handler ;
+	e->events[index] = event ;
+	e->data[index] = data ;
+	if ( wakeUp )
+		wxMacWakeUp() ;
+}
+
+bool gInProcessing = false ;
+
+void wxMacRemoveAllNotifiersForData( wxMacNotifierTableRef table , void* data ) 
+{
+	wxMacNotificationEvents *e = (wxMacNotificationEvents *) table ;
+	/* this should be protected eventually */
+	short index = e->bottom ;
+	
+  while ( e->top != index )
+  {
+    if ( index == kMaxEvents )
+      index = 0 ;
+    if ( e->data[index] == data )
+    	e->data[index] = NULL ;
+	index++ ;
+  }
+}
+
+void wxMacProcessNotifierEvents()
+{
+//  if ( gInProcessing )
+//  	return ;
+  	
+  gInProcessing = true ;
+  while ( gMacNotificationEvents.top != gMacNotificationEvents.bottom )
+  {
+    // consume event at bottom
+	short index = gMacNotificationEvents.bottom++ ;
+    if ( gMacNotificationEvents.bottom == kMaxEvents )
+      gMacNotificationEvents.bottom = 0 ;
+    void* data = gMacNotificationEvents.data[index] ;
+    unsigned long event = gMacNotificationEvents.events[index] ;
+	wxMacNotificationProcPtr handler =  gMacNotificationEvents.proc[index] ;
+	
+	gMacNotificationEvents.data[index] = NULL ;
+	gMacNotificationEvents.events[index] = NULL ;
+	gMacNotificationEvents.proc[index]  = NULL ;
+    
+	handler( event , data  ) ;
+  }
+  gInProcessing = false ;
+}
+
+void wxMacProcessNotifierAndPendingEvents() 
+{
+	wxMacProcessNotifierEvents() ;
+	wxTheApp->ProcessPendingEvents() ;
+}