adding magnification API into the wxWindow classes for best retina support

[wxWidgets.git] / src / osx / core / evtloop_cf.cpp

diff --git a/src/osx/core/evtloop_cf.cpp b/src/osx/core/evtloop_cf.cpp
index f83729f1c963bb0cae00dd1633c50b19c809bbfd..9eefc0d22bf1da8d19c9f59401f93924ed930b0b 100644 (file)
--- a/src/osx/core/evtloop_cf.cpp
+++ b/src/osx/core/evtloop_cf.cpp
@@ -25,8 +25,6 @@
 
 #include "wx/evtloop.h"
 
-#if wxUSE_EVENTLOOP_SOURCE
-
 #ifndef WX_PRECOMP
     #include "wx/log.h"
     #include "wx/app.h"
@@ -48,7 +46,8 @@
 // wxCFEventLoopSource and wxCFEventLoop implementation
 // ============================================================================
 
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+#if wxUSE_EVENTLOOP_SOURCE
+
 namespace
 {
 
@@ -115,6 +114,9 @@ wxCFEventLoop::AddSourceForFD(int fd,
     CFRunLoopRef cfloop = CFGetCurrentRunLoop();
     CFRunLoopAddSource(cfloop, cfsrc, kCFRunLoopDefaultMode);
 
+    // Enable the callbacks initially.
+    EnableDescriptorCallBacks(cffd, source->GetFlags());
+
     source->SetFileDescriptor(cffd.release());
 
     return source.release();
@@ -133,18 +135,6 @@ wxCFEventLoopSource::~wxCFEventLoopSource()
         CFRelease(m_cffd);
 }
 
-#else // OS X < 10.5
-
-wxEventLoopSource *
-wxCFEventLoop::AddSourceForFD(int WXUNUSED(fd),
-                              wxEventLoopSourceHandler * WXUNUSED(handler),
-                              int WXUNUSED(flags))
-{
-    return NULL;
-}
-
-#endif // MAC_OS_X_VERSION_MAX_ALLOWED
-
 #endif // wxUSE_EVENTLOOP_SOURCE
 
 void wxCFEventLoop::OSXCommonModeObserverCallBack(CFRunLoopObserverRef observer, int activity, void *info)
@@ -173,38 +163,50 @@ void wxCFEventLoop::CommonModeObserverCallBack(CFRunLoopObserverRef WXUNUSED(obs
         // and this input is only removed from it when pending event handlers are
         // executed)
 
-        if ( wxTheApp )
+        if ( wxTheApp && ShouldProcessIdleEvents() )
             wxTheApp->ProcessPendingEvents();
     }
 
     if ( activity & kCFRunLoopBeforeWaiting )
     {
+        if ( ShouldProcessIdleEvents() && ProcessIdle() )
+        {
+            WakeUp();
+        }
+        else
+        {
 #if wxUSE_THREADS
-        wxMutexGuiLeaveOrEnter();
+            wxMutexGuiLeaveOrEnter();
 #endif
+        }
     }
 }
 
-void wxCFEventLoop::DefaultModeObserverCallBack(CFRunLoopObserverRef WXUNUSED(observer), int activity)
+void
+wxCFEventLoop::DefaultModeObserverCallBack(CFRunLoopObserverRef WXUNUSED(observer),
+                                           int WXUNUSED(activity))
 {
+    /*
     if ( activity & kCFRunLoopBeforeTimers )
     {
     }
     
     if ( activity & kCFRunLoopBeforeWaiting )
     {
-        if ( ProcessIdle() )
-        {
-            WakeUp();
-        }
     }
+    */
 }
 
 
 wxCFEventLoop::wxCFEventLoop()
 {
     m_shouldExit = false;
+    m_processIdleEvents = true;
 
+#if wxUSE_UIACTIONSIMULATOR
+    m_shouldWaitForEvent = false;
+#endif
+    
     m_runLoop = CFGetCurrentRunLoop();
 
     CFRunLoopObserverContext ctxt;
@@ -213,18 +215,19 @@ wxCFEventLoop::wxCFEventLoop()
     m_commonModeRunLoopObserver = CFRunLoopObserverCreate( kCFAllocatorDefault, kCFRunLoopBeforeTimers | kCFRunLoopBeforeWaiting , true /* repeats */, 0,
                                                           (CFRunLoopObserverCallBack) wxCFEventLoop::OSXCommonModeObserverCallBack, &ctxt );
     CFRunLoopAddObserver(m_runLoop, m_commonModeRunLoopObserver, kCFRunLoopCommonModes);
-    CFRelease(m_commonModeRunLoopObserver);
 
     m_defaultModeRunLoopObserver = CFRunLoopObserverCreate( kCFAllocatorDefault, kCFRunLoopBeforeTimers | kCFRunLoopBeforeWaiting , true /* repeats */, 0,
                                                            (CFRunLoopObserverCallBack) wxCFEventLoop::OSXDefaultModeObserverCallBack, &ctxt );
     CFRunLoopAddObserver(m_runLoop, m_defaultModeRunLoopObserver, kCFRunLoopDefaultMode);
-    CFRelease(m_defaultModeRunLoopObserver);
 }
 
 wxCFEventLoop::~wxCFEventLoop()
 {
     CFRunLoopRemoveObserver(m_runLoop, m_commonModeRunLoopObserver, kCFRunLoopCommonModes);
     CFRunLoopRemoveObserver(m_runLoop, m_defaultModeRunLoopObserver, kCFRunLoopDefaultMode);
+
+    CFRelease(m_defaultModeRunLoopObserver);
+    CFRelease(m_commonModeRunLoopObserver);
 }
 
 
@@ -299,7 +302,15 @@ bool wxCFEventLoop::Pending() const
 
 int wxCFEventLoop::DoProcessEvents()
 {
-    return DispatchTimeout( 0 );
+    if ( m_shouldWaitForEvent )
+    {
+        int  handled = DispatchTimeout( 1000 );
+        wxASSERT_MSG( handled == 1, "No Event Available");
+        m_shouldWaitForEvent = false;
+        return handled;
+    }
+    else
+        return DispatchTimeout( 0 );
 }
 
 bool wxCFEventLoop::Dispatch()
@@ -442,6 +453,25 @@ void wxCFEventLoop::Exit(int rc)
     DoStop();
 }
 
+wxCFEventLoopPauseIdleEvents::wxCFEventLoopPauseIdleEvents()
+{
+    wxCFEventLoop* cfl = dynamic_cast<wxCFEventLoop*>(wxEventLoopBase::GetActive());
+    if ( cfl )
+    {
+        m_formerState = cfl->ShouldProcessIdleEvents();
+        cfl->SetProcessIdleEvents(false);
+    }
+    else
+        m_formerState = true;
+}
+
+wxCFEventLoopPauseIdleEvents::~wxCFEventLoopPauseIdleEvents()
+{
+    wxCFEventLoop* cfl = dynamic_cast<wxCFEventLoop*>(wxEventLoopBase::GetActive());
+    if ( cfl )
+        cfl->SetProcessIdleEvents(m_formerState);
+}
+
 // TODO Move to thread_osx.cpp
 
 #if wxUSE_THREADS