/** * @file llresizebar.h * @brief LLResizeBar 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_RESIZEBAR_H #define LL_RESIZEBAR_H #include "llview.h" #include "llcoord.h" class LLResizeBar : public LLView { public: enum Side { LEFT, TOP, RIGHT, BOTTOM }; struct Params : public LLInitParam::Block<Params, LLView::Params> { Mandatory<LLView*> resizing_view; Mandatory<Side> side; Optional<S32> min_size; Optional<S32> max_size; Optional<bool> snapping_enabled; Optional<bool> allow_double_click_snapping; Params() : max_size("max_size", S32_MAX), snapping_enabled("snapping_enabled", true), resizing_view("resizing_view"), side("side"), allow_double_click_snapping("allow_double_click_snapping", true) { name = "resize_bar"; } }; protected: LLResizeBar(const LLResizeBar::Params& p); friend class LLUICtrlFactory; public: // virtual void draw(); No appearance 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); virtual BOOL handleDoubleClick(S32 x, S32 y, MASK mask); void setResizeLimits( S32 min_size, S32 max_size ) { mMinSize = min_size; mMaxSize = max_size; } void setEnableSnapping(BOOL enable) { mSnappingEnabled = enable; } void setAllowDoubleClickSnapping(BOOL allow) { mAllowDoubleClickSnapping = allow; } bool canResize() { return getEnabled() && mMaxSize > mMinSize; } void setResizeListener(boost::function<void(void*)> listener) {mResizeListener = listener;} private: S32 mDragLastScreenX; S32 mDragLastScreenY; S32 mLastMouseScreenX; S32 mLastMouseScreenY; LLCoordGL mLastMouseDir; S32 mMinSize; S32 mMaxSize; const Side mSide; BOOL mSnappingEnabled; BOOL mAllowDoubleClickSnapping; LLView* mResizingView; boost::function<void(void*)> mResizeListener; }; #endif // LL_RESIZEBAR_H