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/NSView.h

@@ -32,6 +32,7 @@ public:
     virtual wxWindow* GetWxWindow() const
     {   return NULL; }
     virtual void Cocoa_FrameChanged(void) = 0;
+    virtual void Cocoa_synthesizeMouseMoved(void) = 0;
     virtual bool Cocoa_acceptsFirstMouse(bool &acceptsFirstMouse, WX_NSEvent theEvent)
     {   return false; }
     virtual bool Cocoa_drawRect(const NSRect &rect)
@@ -62,6 +63,10 @@ public:
     {   return false; }
     virtual bool Cocoa_resetCursorRects()
     {   return false; }
+    virtual bool Cocoa_viewDidMoveToWindow()
+    {   return false; }
+    virtual bool Cocoa_viewWillMoveToWindow(WX_NSWindow newWindow)
+    {   return false; }
     virtual ~wxCocoaNSView() { }
 };