/** * @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 "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