Add EnableHistory support to the OSX WebKit backend.

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

diff --git a/src/osx/carbon/evtloop.cpp b/src/osx/carbon/evtloop.cpp
index deee02fdce49fe6f2b64b763495977716e1d6815..d263effec7c44f1a8bd32be3db9c0afda0c145b2 100644 (file)
--- a/src/osx/carbon/evtloop.cpp
+++ b/src/osx/carbon/evtloop.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        src/mac/carbon/evtloop.cpp
+// Name:        src/osx/carbon/evtloop.cpp
 // Purpose:     implementation of wxEventLoop for wxMac
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -28,92 +28,145 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
+    #include "wx/log.h"
 #endif // WX_PRECOMP
 
-#if wxOSX_USE_CARBON
-    #include <Carbon/Carbon.h>
-#else
-    #include <CoreFoundation/CoreFoundation.h>
+#if wxUSE_GUI
+#include "wx/nonownedwnd.h"
 #endif
+
+#include "wx/osx/private.h"
+
 // ============================================================================
 // wxEventLoop implementation
 // ============================================================================
 
-// ----------------------------------------------------------------------------
-// high level functions for RunApplicationEventLoop() case
-// ----------------------------------------------------------------------------
+wxGUIEventLoop::wxGUIEventLoop()
+{
+}
+
+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 );
+}
 
-#if wxMAC_USE_RUN_APP_EVENT_LOOP
+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;
+    }
+}
 
-int wxGUIEventLoop::Run()
+void wxGUIEventLoop::WakeUp()
 {
-    wxEventLoopActivator activate(this);
+    OSStatus err = noErr;
+    wxMacCarbonEvent wakeupEvent;
+    wakeupEvent.Create( 'WXMC', 'WXMC', GetCurrentEventTime(),
+                        kEventAttributeNone );
+    err = PostEventToQueue(GetMainEventQueue(), wakeupEvent,
+                            kEventPriorityHigh );
+}
 
+void wxGUIEventLoop::DoRun()
+{
+    wxMacAutoreleasePool autoreleasepool;
     RunApplicationEventLoop();
-
-    return m_exitcode;
 }
 
-void wxGUIEventLoop::Exit(int rc)
+void wxGUIEventLoop::DoStop()
 {
-    m_exitcode = rc;
-
     QuitApplicationEventLoop();
-
-    OnExit();
 }
 
-#else // manual event loop
+CFRunLoopRef wxGUIEventLoop::CFGetCurrentRunLoop() const
+{
+    return wxCFEventLoop::CFGetCurrentRunLoop();
+}
 
-// ----------------------------------------------------------------------------
-// functions only used by wxEventLoopManual-based implementation
-// ----------------------------------------------------------------------------
+// TODO move into a evtloop_osx.cpp
 
-void wxGUIEventLoop::WakeUp()
+wxModalEventLoop::wxModalEventLoop(wxWindow *modalWindow)
 {
-    extern void wxMacWakeUp();
-
-    wxMacWakeUp();
+    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();
 }
 
-#endif // high/low-level event loop
+wxModalEventLoop::wxModalEventLoop(WXWindow modalNativeWindow)
+{
+    m_modalWindow = NULL;
+    wxASSERT_MSG( modalNativeWindow != NULL, "must pass in a toplevel window for modal event loop" );
+    m_modalNativeWindow = modalNativeWindow;
+}
 
-// ----------------------------------------------------------------------------
-// low level functions used in both cases
-// ----------------------------------------------------------------------------
+// END move into a evtloop_osx.cpp
 
-bool wxGUIEventLoop::Pending() const
+void wxModalEventLoop::DoRun()
 {
-#if wxOSX_USE_CARBON
-    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;
-#else
-    return true; // TODO
-#endif
+    wxWindowDisabler disabler(m_modalWindow);
+    wxMacAutoreleasePool autoreleasepool;
+
+    bool resetGroupParent = false;
+
+    WindowGroupRef windowGroup = NULL;
+    WindowGroupRef formerParentGroup = NULL;
+
+    // make sure modal dialogs are in the right layer so that they are not covered
+    if ( m_modalWindow != NULL )
+    {
+        if ( m_modalWindow->GetParent() == NULL )
+        {
+            windowGroup = GetWindowGroup(m_modalNativeWindow) ;
+            if ( windowGroup != GetWindowGroupOfClass( kMovableModalWindowClass ) )
+            {
+                formerParentGroup = GetWindowGroupParent( windowGroup );
+                SetWindowGroupParent( windowGroup, GetWindowGroupOfClass( kMovableModalWindowClass ) );
+                resetGroupParent = true;
+            }
+        }
+    }
+
+    m_modalWindow->SetFocus();
+
+    RunAppModalLoopForWindow(m_modalNativeWindow);
+
+    if ( resetGroupParent )
+    {
+        SetWindowGroupParent( windowGroup , formerParentGroup );
+    }
+
 }
 
-bool wxGUIEventLoop::Dispatch()
+void wxModalEventLoop::DoStop()
 {
-    if ( !wxTheApp )
-        return false;
-
-#if wxOSX_USE_CARBON
-    // TODO: we probably should do the dispatching directly from here but for
-    //       now it's easier to forward to wxApp which has all the code to do
-    //       it
-    wxTheApp->MacDoOneEvent();
-#else
-    CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, 0);
-#endif
-    return true;
+    wxMacAutoreleasePool autoreleasepool;
+    QuitAppModalLoopForWindow(m_modalNativeWindow);
 }
+
+