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/**
* @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 };
struct Params : public LLInitParam::Block<Params, LLView::Params>
{
Mandatory<ECorner> corner;
Optional<S32> min_width;
Optional<S32> min_height;
Params();
};
protected:
LLResizeHandle(const LLResizeHandle::Params&);
friend class LLUICtrlFactory;
public:
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
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