wxCocoa: Added wxScrollBar

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27967 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/NSScroller.h

@@ -0,0 +1,39 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/cocoa/NSScroller.h
+// Purpose:     wxCocoaNSScroller class
+// Author:      David Elliott
+// Modified by:
+// Created:     2004/04/27
+// RCS-ID:      $Id$
+// Copyright:   (c) 2004 David Elliott
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_COCOA_NSSCROLLER_H__
+#define _WX_COCOA_NSSCROLLER_H__
+
+#include "wx/hashmap.h"
+#include "wx/cocoa/ObjcAssociate.h"
+#include "wx/cocoa/ObjcRef.h"
+
+DECLARE_WXCOCOA_OBJC_CLASS(NSScroller);
+
+WX_DECLARE_OBJC_HASHMAP(NSScroller);
+
+class wxCocoaNSScroller
+{
+    WX_DECLARE_OBJC_INTERFACE_HASHMAP(NSScroller);
+public:
+    void AssociateNSScroller(WX_NSScroller cocoaNSScroller);
+    inline void DisassociateNSScroller(WX_NSScroller cocoaNSScroller)
+    {
+        if(cocoaNSScroller)
+            sm_cocoaHash.erase(cocoaNSScroller);
+    }
+
+    virtual void Cocoa_wxNSScrollerAction(void) = 0;
+protected:
+    static const wxObjcAutoRefFromAlloc<struct objc_object*> sm_cocoaTarget;
+};
+
+#endif // _WX_COCOA_NSSCROLLER_H__