/** * @file llresizehandle.h * @brief LLResizeHandle base class * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #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(); }; ~LLResizeHandle(); 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