guarding agains NULL

[wxWidgets.git] / include / wx / osx / evtloop.h

diff --git a/include/wx/osx/evtloop.h b/include/wx/osx/evtloop.h
index 100804ae2aea992d9344fb32358756fe1f26ff17..00a5258fce51629aab1f046caa781e04b00d6db7 100644 (file)
--- a/include/wx/osx/evtloop.h
+++ b/include/wx/osx/evtloop.h
@@ -1,7 +1,8 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        include/wx/osx/evtloop.h
-// Purpose:     simply forwards to wx/mac/carbon/evtloop.h for consistency with
-//              the other Mac headers
+// Name:        wx/osx/evtloop.h
+// Purpose:     simply forwards to wx/osx/carbon/evtloop.h or
+//              wx/osx/cocoa/evtloop.h for consistency with the other Mac
+//              headers

 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     2006-01-12
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     2006-01-12


@@ -25,17 +26,17 @@ public:
     // enters a loop calling OnNextIteration(), Pending() and Dispatch() and
     // terminating when Exit() is called
     virtual int Run();
     // enters a loop calling OnNextIteration(), Pending() and Dispatch() and
     // terminating when Exit() is called
     virtual int Run();

-    
+

     // sets the "should exit" flag and wakes up the loop so that it terminates
     // soon
     virtual void Exit(int rc = 0);
     // sets the "should exit" flag and wakes up the loop so that it terminates
     // soon
     virtual void Exit(int rc = 0);

-    
+

     // return true if any events are available
     virtual bool Pending() const;
     // return true if any events are available
     virtual bool Pending() const;

-    
+

     // dispatch a single event, return false if we should exit from the loop
     virtual bool Dispatch();
     // dispatch a single event, return false if we should exit from the loop
     virtual bool Dispatch();

-    
+

     // same as Dispatch() but doesn't wait for longer than the specified (in
     // ms) timeout, return true if an event was processed, false if we should
     // exit the loop or -1 if timeout expired
     // same as Dispatch() but doesn't wait for longer than the specified (in
     // ms) timeout, return true if an event was processed, false if we should
     // exit the loop or -1 if timeout expired


@@ -44,7 +45,7 @@ public:
     // implement this to wake up the loop: usually done by posting a dummy event
     // to it (can be called from non main thread)
     virtual void WakeUp();
     // implement this to wake up the loop: usually done by posting a dummy event
     // to it (can be called from non main thread)
     virtual void WakeUp();

-    
+

     virtual bool YieldFor(long eventsToProcess);
 
 #if wxUSE_EVENTLOOP_SOURCE
     virtual bool YieldFor(long eventsToProcess);
 
 #if wxUSE_EVENTLOOP_SOURCE


@@ -52,22 +53,37 @@ public:
       AddSourceForFD(int fd, wxEventLoopSourceHandler *handler, int flags);
 #endif // wxUSE_EVENTLOOP_SOURCE
 
       AddSourceForFD(int fd, wxEventLoopSourceHandler *handler, int flags);
 #endif // wxUSE_EVENTLOOP_SOURCE
 

-    void ObserverCallBack(CFRunLoopObserverRef observer, int activity);

 
 protected:
 
 protected:

+    void CommonModeObserverCallBack(CFRunLoopObserverRef observer, int activity);
+    void DefaultModeObserverCallBack(CFRunLoopObserverRef observer, int activity);
+
+    static void OSXCommonModeObserverCallBack(CFRunLoopObserverRef observer, int activity, void *info);
+    static void OSXDefaultModeObserverCallBack(CFRunLoopObserverRef observer, int activity, void *info);
+

     // get the currently executing CFRunLoop
     virtual CFRunLoopRef CFGetCurrentRunLoop() const;
 
     virtual int DoDispatchTimeout(unsigned long timeout);
 
     // get the currently executing CFRunLoop
     virtual CFRunLoopRef CFGetCurrentRunLoop() const;
 
     virtual int DoDispatchTimeout(unsigned long timeout);
 

+    virtual void DoRun();
+
+    virtual void DoStop();
+

     // should we exit the loop?
     bool m_shouldExit;
 
     // the loop exit code
     int m_exitcode;
     // should we exit the loop?
     bool m_shouldExit;
 
     // the loop exit code
     int m_exitcode;

-    
-    // runloop observer
-    CFRunLoopObserverRef m_runLoopObserver;
+
+    // cfrunloop
+    CFRunLoopRef m_runLoop;
+
+    // common modes runloop observer
+    CFRunLoopObserverRef m_commonModeRunLoopObserver;
+
+    // default mode runloop observer
+    CFRunLoopObserverRef m_defaultModeRunLoopObserver;

 
 private:
     // process all already pending events and dispatch a new one (blocking
 
 private:
     // process all already pending events and dispatch a new one (blocking


@@ -75,15 +91,35 @@ private:
     //
     // returns the return value of DoDispatchTimeout()
     int DoProcessEvents();
     //
     // returns the return value of DoDispatchTimeout()
     int DoProcessEvents();

-

 };
 
 #if wxUSE_GUI
 };
 
 #if wxUSE_GUI

-    #ifdef __WXOSX_COCOA__
-        #include "wx/osx/cocoa/evtloop.h"
-    #else
-        #include "wx/osx/carbon/evtloop.h"
-    #endif
+
+#ifdef __WXOSX_COCOA__
+    #include "wx/osx/cocoa/evtloop.h"
+#else
+    #include "wx/osx/carbon/evtloop.h"
+#endif
+
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxNonOwnedWindow;
+
+class WXDLLIMPEXP_CORE wxModalEventLoop : public wxGUIEventLoop
+{
+public:
+    wxModalEventLoop(wxWindow *modalWindow);
+    wxModalEventLoop(WXWindow modalNativeWindow);
+
+protected:
+    virtual void DoRun();
+
+    virtual void DoStop();
+
+    // (in case) the modal window for this event loop
+    wxNonOwnedWindow* m_modalWindow;
+    WXWindow m_modalNativeWindow;
+};
+

 #endif // wxUSE_GUI
 
 #endif // _WX_OSX_EVTLOOP_H_
 #endif // wxUSE_GUI
 
 #endif // _WX_OSX_EVTLOOP_H_