Imported existing code

indra/llui/llresizehandle.h

@@ -0,0 +1,76 @@
+/** 
+ * @file llresizehandle.h
+ * @brief LLResizeHandle base class
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_RESIZEHANDLE_H
+#define LL_RESIZEHANDLE_H
+
+#include "stdtypes.h"
+#include "llview.h"
+#include "llimagegl.h"
+#include "llcoord.h"
+
+
+class LLResizeHandle : public LLView
+{
+public:
+	enum ECorner { LEFT_TOP, LEFT_BOTTOM, RIGHT_TOP, RIGHT_BOTTOM };
+
+	
+	LLResizeHandle(const std::string& name, const LLRect& rect, S32 min_width, S32 min_height, ECorner corner = RIGHT_BOTTOM );
+
+	virtual void	draw();
+	virtual BOOL	handleHover(S32 x, S32 y, MASK mask);
+	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
+	virtual BOOL	handleMouseUp(S32 x, S32 y, MASK mask);
+
+	void			setResizeLimits( S32 min_width, S32 min_height ) { mMinWidth = min_width; mMinHeight = min_height; }
+
+private:
+	BOOL			pointInHandle( S32 x, S32 y );
+
+	S32				mDragLastScreenX;
+	S32				mDragLastScreenY;
+	S32				mLastMouseScreenX;
+	S32				mLastMouseScreenY;
+	LLCoordGL		mLastMouseDir;
+	LLPointer<LLUIImage>	mImage;
+	S32				mMinWidth;
+	S32				mMinHeight;
+	const ECorner	mCorner;
+};
+
+const S32 RESIZE_HANDLE_HEIGHT = 16;
+const S32 RESIZE_HANDLE_WIDTH = 16;
+
+#endif  // LL_RESIZEHANDLE_H
+
+