OpenGL changes for carbon and cocoa

[wxWidgets.git] / src / osx / carbon / evtloop.cpp

diff --git a/src/osx/carbon/evtloop.cpp b/src/osx/carbon/evtloop.cpp
index ec51ee972bb7c238af064c9d0a1825c28dd2c622..4278ced1965e83752ed66aefea4b39c7f715d8b3 100644 (file)
--- a/src/osx/carbon/evtloop.cpp
+++ b/src/osx/carbon/evtloop.cpp
@@ -28,6 +28,7 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
+    #include "wx/log.h"
 #endif // WX_PRECOMP
 
 #include "wx/osx/private.h"
@@ -48,6 +49,18 @@ void wxGUIEventLoop::WakeUp()
     wxMacWakeUp();
 }
 
+void wxGUIEventLoop::DispatchAndReleaseEvent(EventRef theEvent)
+{
+    if ( wxTheApp )
+        wxTheApp->MacSetCurrentEvent( theEvent, NULL );
+
+    OSStatus status = SendEventToEventTarget(theEvent, GetEventDispatcherTarget());
+    if (status == eventNotHandledErr && wxTheApp)
+        wxTheApp->MacHandleUnhandledEvent(theEvent);
+
+    ReleaseEvent( theEvent );
+}
+
 bool wxGUIEventLoop::Pending() const
 {
     EventRef theEvent;
@@ -95,17 +108,69 @@ bool wxGUIEventLoop::Dispatch()
             break;
 
         default:
-            if ( wxTheApp )
-                wxTheApp->MacSetCurrentEvent( theEvent, NULL );
-
-            OSStatus status = SendEventToEventTarget(theEvent, GetEventDispatcherTarget());
-            if (status == eventNotHandledErr && wxTheApp)
-                wxTheApp->MacHandleUnhandledEvent(theEvent);
-
-            ReleaseEvent( theEvent );
+            DispatchAndReleaseEvent(theEvent);
             m_sleepTime = kEventDurationNoWait ;
             break;
     }
 
     return true;
 }
+
+int wxGUIEventLoop::DispatchTimeout(unsigned long timeout)
+{
+    EventRef event;
+    OSStatus status = ReceiveNextEvent(0, NULL, timeout/1000, true, &event);
+    switch ( status )
+    {
+        default:
+            wxFAIL_MSG( "unexpected ReceiveNextEvent() error" );
+            // fall through
+
+        case eventLoopTimedOutErr:
+            return -1;
+
+        case eventLoopQuitErr:
+            return 0;
+
+        case noErr:
+            DispatchAndReleaseEvent(event);
+            return 1;
+    }
+}
+
+bool wxGUIEventLoop::YieldFor(long eventsToProcess)
+{
+#if wxUSE_THREADS
+    // Yielding from a non-gui thread needs to bail out, otherwise we end up
+    // possibly sending events in the thread too.
+    if ( !wxThread::IsMain() )
+    {
+        return true;
+    }
+#endif // wxUSE_THREADS
+
+    m_isInsideYield = true;
+    m_eventsToProcessInsideYield = eventsToProcess;
+
+#if wxUSE_LOG
+    // disable log flushing from here because a call to wxYield() shouldn't
+    // normally result in message boxes popping up &c
+    wxLog::Suspend();
+#endif // wxUSE_LOG
+
+    // process all pending events:
+    while ( Pending() )
+        Dispatch();
+
+    // it's necessary to call ProcessIdle() to update the frames sizes which
+    // might have been changed (it also will update other things set from
+    // OnUpdateUI() which is a nice (and desired) side effect)
+    while ( ProcessIdle() ) {}
+
+#if wxUSE_LOG
+    wxLog::Resume();
+#endif // wxUSE_LOG
+    m_isInsideYield = false;
+
+    return true;
+}