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win/rfb_win32/WMCursor.h

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+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+// -=- WMCursor.h
+
+// WMCursor provides a single API through which the cursor state can be obtained
+// The underlying implementation will use either GetCursorInfo, or use the
+// wm_hooks library if GetCursorInfo is not available.
+
+#ifndef __RFB_WIN32_WM_CURSOR_H__
+#define __RFB_WIN32_WM_CURSOR_H__
+
+#include <windows.h>
+#include <rfb_win32/WMHooks.h>
+
+namespace rfb {
+  namespace win32 {
+
+    class WMCursor {
+    public:
+      WMCursor();
+      ~WMCursor();
+
+      struct Info {
+        HCURSOR cursor;
+        Point position;
+        bool visible;
+        Info() : cursor(0), visible(false) {}
+        bool operator!=(const Info& info) {
+          return ((cursor != info.cursor) ||
+            (!position.equals(info.position)) ||
+            (visible != info.visible));
+        }
+      };
+
+      Info getCursorInfo();
+    protected:
+      HCURSOR cursor;
+    };
+
+  };
+};
+
+#endif // __RFB_WIN32_WM_CURSOR_H__