Return NULL from wxWindow::GetCapture() when the capture is being lost.

[wxWidgets.git] / src / cocoa / app.mm

diff --git a/src/cocoa/app.mm b/src/cocoa/app.mm
index 6bafffa5551566c20e02015f0271d159f499c326..c61ee29f0652e6be537123e5d4b07d45db411109 100644 (file)
--- a/src/cocoa/app.mm
+++ b/src/cocoa/app.mm
@@ -4,10 +4,9 @@
 // Author:      David Elliott
 // Modified by:
 // Created:     2002/11/27
-// RCS-ID:      $Id$
 // Copyright:   (c) David Elliott
 //              Software 2000 Ltd.
-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #include "wx/wxprec.h"
@@ -15,7 +14,6 @@
 #include "wx/app.h"
 
 #ifndef WX_PRECOMP
-    #include "wx/dc.h"
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/module.h"
@@ -26,6 +24,8 @@
 #include "wx/cocoa/mbarman.h"
 #include "wx/cocoa/NSApplication.h"
 
+#include "wx/cocoa/dc.h"
+
 #import <AppKit/NSApplication.h>
 #import <Foundation/NSRunLoop.h>
 #import <Foundation/NSThread.h>
@@ -115,7 +115,7 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     // application (otherwise applications would need to handle it)
     if ( argc > 1 )
     {
-        static const wxChar *ARG_PSN = _T("-psn_");
+        static const wxChar *ARG_PSN = wxT("-psn_");
         if ( wxStrncmp(argv[1], ARG_PSN, wxStrlen(ARG_PSN)) == 0 )
         {
             // remove this argument
@@ -162,7 +162,7 @@ void wxApp::CleanUp()
 {
     wxAutoNSAutoreleasePool pool;
 
-    wxDC::CocoaShutdownTextSystem();
+    wxCocoaDCImpl::CocoaShutdownTextSystem();
     wxMenuBarManager::DestroyInstance();
 
     [[NSNotificationCenter defaultCenter] removeObserver:sg_cocoaAppObserver];
@@ -183,12 +183,10 @@ wxApp::wxApp()
 {
     m_topWindow = NULL;
 
-#ifdef __WXDEBUG__
-    m_isInAssert = false;
-#endif // __WXDEBUG__
-
     argc = 0;
+#if !wxUSE_UNICODE
     argv = NULL;
+#endif
     m_cocoaApp = NULL;
     m_cocoaAppDelegate = NULL;
 }
@@ -255,7 +253,7 @@ bool wxApp::OnInitGui()
     if(!sm_isEmbedded)
         wxMenuBarManager::CreateInstance();
 
-    wxDC::CocoaInitializeTextSystem();
+    wxCocoaDCImpl::CocoaInitializeTextSystem();
     return true;
 }
 
@@ -291,75 +289,6 @@ void wxApp::Exit()
     wxAppConsole::Exit();
 }
 
-// Yield to other processes
-bool wxApp::Yield(bool onlyIfNeeded)
-{
-    // MT-FIXME
-    static bool s_inYield = false;
-
-#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
-
-    if (s_inYield)
-    {
-        if ( !onlyIfNeeded )
-        {
-            wxFAIL_MSG( wxT("wxYield called recursively" ) );
-        }
-
-        return false;
-    }
-
-    s_inYield = true;
-
-    // Run the event loop until it is out of events
-    while(1)
-    {
-        wxAutoNSAutoreleasePool pool;
-        /*  NOTE: It may be better to use something like
-            NSEventTrackingRunLoopMode since we don't necessarily want all
-            timers/sources/observers to run, only those which would
-            run while tracking events.  However, it should be noted that
-            NSEventTrackingRunLoopMode is in the common set of modes
-            so it may not effectively make much of a difference.
-         */
-        NSEvent *event = [GetNSApplication()
-                nextEventMatchingMask:NSAnyEventMask
-                untilDate:[NSDate distantPast]
-                inMode:NSDefaultRunLoopMode
-                dequeue: YES];
-        if(!event)
-            break;
-        [GetNSApplication() sendEvent: event];
-    }
-
-    /*
-        Because we just told NSApplication to avoid blocking it will in turn
-        run the CFRunLoop with a timeout of 0 seconds.  In that case, our
-        run loop observer on kCFRunLoopBeforeWaiting never fires because
-        no waiting occurs.  Therefore, no idle events are sent.
-
-        Believe it or not, this is actually desirable because we do not want
-        to process idle from here.  However, we do want to process pending
-        events because some user code expects to do work in a thread while
-        the main thread waits and then notify the main thread by posting
-        an event.
-     */
-    ProcessPendingEvents();
-
-#if wxUSE_LOG
-    // let the logs be flashed again
-    wxLog::Resume();
-#endif // wxUSE_LOG
-
-    s_inYield = false;
-
-    return true;
-}
-
 void wxApp::WakeUpIdle()
 {
     /*  When called from the main thread the NSAutoreleasePool managed by
@@ -389,7 +318,7 @@ void wxApp::WakeUpIdle()
         done without exiting the runloop.
 
         Be careful if you decide to change the implementation of this method
-        as wxEventLoop::Exit depends on the current behavior.
+        as wxEventLoop::Exit depends on the current behaviour.
      */
     [m_cocoaApp postEvent:[NSEvent otherEventWithType:NSApplicationDefined
             location:NSZeroPoint modifierFlags:NSAnyEventMask
@@ -424,7 +353,7 @@ static int sg_cApplicationWillUpdate = 0;
     before the run loop waits and send the idle events from there.
 
     It also has the desirable effect of only sending the wx idle events when
-    the event loop is actualy going to block.  If the event loop is being
+    the event loop is actually going to block.  If the event loop is being
     pumped manualy (e.g. like a PeekMessage) then the kCFRunLoopBeforeWaiting
     observer never fires.  Our Yield() method depends on this because sending
     idle events from within Yield would be bad.
@@ -532,15 +461,6 @@ void wxApp::CF_ObserveMainRunLoopBeforeWaiting(CFRunLoopObserverRef observer, in
     }
 }
 
-#ifdef __WXDEBUG__
-void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg)
-{
-    m_isInAssert = true;
-    wxAppBase::OnAssert(file, line, cond, msg);
-    m_isInAssert = false;
-}
-#endif // __WXDEBUG__
-
 /*  A note about Cocoa's event loops vs. run loops:
 
     It's important to understand that Cocoa has a two-level event loop.  The