llresizehandle.h
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- /**
- * @file llresizehandle.h
- * @brief LLResizeHandle base class
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, 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 "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 = 11;
- const S32 RESIZE_HANDLE_WIDTH = 11;
- #endif // LL_RESIZEHANDLE_H