89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
/**
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* @file llresizebar.h
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* @brief LLResizeBar base class
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_RESIZEBAR_H
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#define LL_RESIZEBAR_H
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#include "llview.h"
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class LLResizeBar : public LLView
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{
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public:
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enum Side { LEFT, TOP, RIGHT, BOTTOM };
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struct Params : public LLInitParam::Block<Params, LLView::Params>
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{
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Mandatory<LLView*> resizing_view;
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Mandatory<Side> side;
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Optional<S32> min_size;
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Optional<S32> max_size;
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Optional<bool> snapping_enabled;
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Optional<bool> allow_double_click_snapping;
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Params();
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};
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protected:
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LLResizeBar(const LLResizeBar::Params& p);
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friend class LLUICtrlFactory;
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public:
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virtual bool handleHover(S32 x, S32 y, MASK mask);
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virtual bool handleMouseDown(S32 x, S32 y, MASK mask);
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virtual bool handleMouseUp(S32 x, S32 y, MASK mask);
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virtual bool handleDoubleClick(S32 x, S32 y, MASK mask);
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void setResizeLimits( S32 min_size, S32 max_size ) { mMinSize = min_size; mMaxSize = max_size; }
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void setEnableSnapping(bool enable) { mSnappingEnabled = enable; }
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void setAllowDoubleClickSnapping(bool allow) { mAllowDoubleClickSnapping = allow; }
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bool canResize() { return getEnabled() && mMaxSize > mMinSize; }
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void setResizeListener(boost::function<void(void*)> listener) {mResizeListener = listener;}
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void setImagePanel(LLPanel * panelp);
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LLPanel * getImagePanel() const;
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private:
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S32 mDragLastScreenX;
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S32 mDragLastScreenY;
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S32 mLastMouseScreenX;
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S32 mLastMouseScreenY;
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LLCoordGL mLastMouseDir;
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S32 mMinSize;
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S32 mMaxSize;
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const Side mSide;
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bool mSnappingEnabled,
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mAllowDoubleClickSnapping;
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LLView* mResizingView;
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boost::function<void(void*)> mResizeListener;
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LLPointer<LLUIImage> mDragHandleImage;
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LLPanel * mImagePanel;
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};
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#endif // LL_RESIZEBAR_H
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