fix wxCHECK_MSG() return value

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

diff --git a/src/osx/carbon/evtloop.cpp b/src/osx/carbon/evtloop.cpp
index ec51ee972bb7c238af064c9d0a1825c28dd2c622..288210641b76b1ec33483d866135bfc0a0987fbf 100644 (file)
--- a/src/osx/carbon/evtloop.cpp
+++ b/src/osx/carbon/evtloop.cpp
@@ -28,8 +28,13 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
+    #include "wx/log.h"
 #endif // WX_PRECOMP
 
+#if wxUSE_GUI
+#include "wx/nonownedwnd.h"
+#endif
+
 #include "wx/osx/private.h"
 
 // ============================================================================
@@ -38,74 +43,138 @@
 
 wxGUIEventLoop::wxGUIEventLoop()
 {
-    m_sleepTime = kEventDurationNoWait;
+}
+
+static void DispatchAndReleaseEvent(EventRef theEvent)
+{
+    if ( wxTheApp )
+        wxTheApp->MacSetCurrentEvent( theEvent, NULL );
+
+    OSStatus status = SendEventToEventTarget(theEvent, GetEventDispatcherTarget());
+    if (status == eventNotHandledErr && wxTheApp)
+        wxTheApp->MacHandleUnhandledEvent(theEvent);
+
+    ReleaseEvent( theEvent );
+}
+
+int wxGUIEventLoop::DoDispatchTimeout(unsigned long timeout)
+{
+    wxMacAutoreleasePool autoreleasepool;
+
+    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:
+            // according to QA1061 this may also occur
+            // when a WakeUp Process is executed
+            return 0;
+
+        case noErr:
+            DispatchAndReleaseEvent(event);
+            return 1;
+    }
 }
 
 void wxGUIEventLoop::WakeUp()
 {
-    extern void wxMacWakeUp();
+    OSStatus err = noErr;
+    wxMacCarbonEvent wakeupEvent;
+    wakeupEvent.Create( 'WXMC', 'WXMC', GetCurrentEventTime(),
+                        kEventAttributeNone );
+    err = PostEventToQueue(GetMainEventQueue(), wakeupEvent,
+                            kEventPriorityHigh );
+}
+
+void wxGUIEventLoop::OSXDoRun()
+{
+    wxMacAutoreleasePool autoreleasepool;
+
+    while (!m_shouldExit)
+    {
+        RunApplicationEventLoop();
+    }
+
+    // Force enclosing event loop to temporarily exit and check
+    // if it should be stopped.
+    QuitApplicationEventLoop();
+}
+
+void wxGUIEventLoop::OSXDoStop()
+{
+    QuitApplicationEventLoop();
+}
 
-    wxMacWakeUp();
+CFRunLoopRef wxGUIEventLoop::CFGetCurrentRunLoop() const
+{
+    return wxCFEventLoop::CFGetCurrentRunLoop();
 }
 
-bool wxGUIEventLoop::Pending() const
+// TODO move into a evtloop_osx.cpp
+
+wxModalEventLoop::wxModalEventLoop(wxWindow *modalWindow)
 {
-    EventRef theEvent;
-
-    return ReceiveNextEvent
-           (
-            0,          // we want any event at all so we don't specify neither
-            NULL,       // the number of event types nor the types themselves
-            kEventDurationNoWait,
-            false,      // don't remove the event from queue
-            &theEvent
-           ) == noErr;
+    m_modalWindow = wxDynamicCast(modalWindow, wxNonOwnedWindow);
+    wxASSERT_MSG( m_modalWindow != NULL, "must pass in a toplevel window for modal event loop" );
+    m_modalNativeWindow = m_modalWindow->GetWXWindow();
 }
 
-bool wxGUIEventLoop::Dispatch()
+wxModalEventLoop::wxModalEventLoop(WXWindow modalNativeWindow)
 {
-    if ( !wxTheApp )
-        return false;
+    m_modalWindow = NULL;
+    wxASSERT_MSG( modalNativeWindow != NULL, "must pass in a toplevel window for modal event loop" );
+    m_modalNativeWindow = modalNativeWindow;
+}
 
+// END move into a evtloop_osx.cpp
+
+void wxModalEventLoop::OSXDoRun()
+{
+    wxWindowDisabler disabler(m_modalWindow);
     wxMacAutoreleasePool autoreleasepool;
 
-    EventRef theEvent;
+    bool resetGroupParent = false;
 
-    OSStatus status = ReceiveNextEvent(0, NULL, m_sleepTime, true, &theEvent) ;
+    WindowGroupRef windowGroup = NULL;
+    WindowGroupRef formerParentGroup = NULL;
 
-    switch (status)
+    // make sure modal dialogs are in the right layer so that they are not covered
+    if ( m_modalWindow != NULL )
     {
-        case eventLoopTimedOutErr :
-            if ( wxTheApp->ProcessIdle() )
-                m_sleepTime = kEventDurationNoWait ;
-            else
+        if ( m_modalWindow->GetParent() == NULL )
+        {
+            windowGroup = GetWindowGroup(m_modalNativeWindow) ;
+            if ( windowGroup != GetWindowGroupOfClass( kMovableModalWindowClass ) )
             {
-                m_sleepTime = kEventDurationSecond;
-#if wxUSE_THREADS
-                wxMutexGuiLeave();
-                wxMilliSleep(20);
-                wxMutexGuiEnter();
-#endif
+                formerParentGroup = GetWindowGroupParent( windowGroup );
+                SetWindowGroupParent( windowGroup, GetWindowGroupOfClass( kMovableModalWindowClass ) );
+                resetGroupParent = true;
             }
-            break;
-
-        case eventLoopQuitErr :
-            // according to QA1061 this may also occur
-            // when a WakeUp Process is executed
-            break;
+        }
+    }
 
-        default:
-            if ( wxTheApp )
-                wxTheApp->MacSetCurrentEvent( theEvent, NULL );
+    m_modalWindow->SetFocus();
 
-            OSStatus status = SendEventToEventTarget(theEvent, GetEventDispatcherTarget());
-            if (status == eventNotHandledErr && wxTheApp)
-                wxTheApp->MacHandleUnhandledEvent(theEvent);
+    RunAppModalLoopForWindow(m_modalNativeWindow);
 
-            ReleaseEvent( theEvent );
-            m_sleepTime = kEventDurationNoWait ;
-            break;
+    if ( resetGroupParent )
+    {
+        SetWindowGroupParent( windowGroup , formerParentGroup );
     }
 
-    return true;
 }
+
+void wxModalEventLoop::OSXDoStop()
+{
+    wxMacAutoreleasePool autoreleasepool;
+    QuitAppModalLoopForWindow(m_modalNativeWindow);
+}
+
+