-/* -------------------------------------------------------------------------
- * Project: Mac Notifier Support
- * Name: macnotfy.c
- * Author: Stefan CSomor
- * Purpose: Mac Notifier main file
- * CVSID: $Id$
- * -------------------------------------------------------------------------
- */
-
-#include "wx/wxprec.h"
-
-#include "wx/wx.h"
-
-#include "wx/mac/private.h"
-
-#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 ;
-static wxMacNotificationEvents gMacNotificationEvents ;
-
-ProcessSerialNumber gAppProcess ;
-
-void wxMacCreateNotifierTable()
-{
- GetCurrentProcess(&gAppProcess);
- gMacNotificationEvents.top = 0 ;
- gMacNotificationEvents.bottom = 0 ;
- for ( int i = 0 ; i < kMaxEvents ; ++i )
- {
- gMacNotificationEvents.proc[i] = NULL ;
- gMacNotificationEvents.events[i] = 0 ;
- gMacNotificationEvents.data[i] = NULL ;
- }
-}
-
-void wxMacDestroyNotifierTable()
-{
-}
-
-wxMacNotifierTableRef wxMacGetNotifierTable()
-{
- return (wxMacNotifierTableRef) &gMacNotificationEvents ;
-}
-
-void wxMacAddEvent(
- wxMacNotifierTableRef table ,
- wxMacNotificationProcPtr handler ,
- unsigned long event ,
- void* data ,
- short wakeUp )
-{
- wxMacNotificationEvents *e = (wxMacNotificationEvents *) table ;
- wxASSERT_MSG( handler != NULL , wxT("illegal notification proc ptr") ) ;
- /* 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 ( e->data[index] == data )
- e->data[index] = NULL ;
- index++ ;
- if ( index == kMaxEvents )
- index = 0 ;
- }
-}
-
-void wxMacProcessNotifierEvents()
-{
- // if ( gInProcessing )
- // return ;
-
- gInProcessing = true ;
- if ( gMacNotificationEvents.top != gMacNotificationEvents.bottom )
- {
- // we only should process the notifiers that were here when we entered it
- // otherwise we might never get out...
- short count = gMacNotificationEvents.top - gMacNotificationEvents.bottom ;
- if ( count < 0 )
- count += kMaxEvents ;
-
- while ( count-- )
- {
- // 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] = 0 ;
- gMacNotificationEvents.proc[index] = NULL ;
-
- if ( handler )
- handler( event , data ) ;
- }
- }
- gInProcessing = false ;
-}
-
-void wxMacProcessNotifierAndPendingEvents()
-{
- wxMacProcessNotifierEvents() ;
- wxTheApp->ProcessPendingEvents() ;
-}
projects / wxWidgets.git / commitdiff
