Implement mouse entered, exited, and synthesize move events while the mouse is inside.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46229 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/trackingrectmanager.h

@@ -0,0 +1,38 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/cocoa/trackingrectmanager.h
+// Purpose:     wxCocoaTrackingRectManager
+// Notes:       Source in window.mm
+// Author:      David Elliott <dfe@cox.net>
+// Modified by:
+// Created:     2007/05/02
+// RCS-ID:      $Id$
+// Copyright:   (c) 2007 Software 2000 Ltd.
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+#ifndef __WX_COCOA_TRACKINGRECTMANAGER_H__
+#define __WX_COCOA_TRACKINGRECTMANAGER_H__
+
+#include <CoreFoundation/CFRunLoop.h>
+
+class wxCocoaTrackingRectManager
+{
+    DECLARE_NO_COPY_CLASS(wxCocoaTrackingRectManager)
+public:
+    wxCocoaTrackingRectManager(wxWindow *window);
+    void ClearTrackingRect();
+    void BuildTrackingRect();
+    void RebuildTrackingRect();
+    bool IsOwnerOfEvent(NSEvent *anEvent);
+    ~wxCocoaTrackingRectManager();
+    void BeginSynthesizingEvents();
+    void StopSynthesizingEvents();
+protected:
+    wxWindow *m_window;
+    bool m_isTrackingRectActive;
+    int m_trackingRectTag;
+    CFRunLoopObserverRef m_runLoopObserver;
+private:
+    wxCocoaTrackingRectManager();
+};
+
+#endif // ndef __WX_COCOA_TRACKINGRECTMANAGER_H__