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/**
* @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"
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();
};
protected:
LLResizeBar(const LLResizeBar::Params& p);
friend class LLUICtrlFactory;
public:
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() const { return getEnabled() && mMaxSize > mMinSize; }
void setResizeListener(boost::function<void(void*)> listener) {mResizeListener = listener;}
void setImagePanel(LLPanel * panelp);
LLPanel * getImagePanel() const;
private:
S32 mDragLastScreenX;
S32 mDragLastScreenY;
S32 mLastMouseScreenX;
S32 mLastMouseScreenY;
LLCoordGL mLastMouseDir;
S32 mMinSize;
S32 mMaxSize;
const Side mSide;
bool mSnappingEnabled,
mAllowDoubleClickSnapping;
LLView* mResizingView;
boost::function<void(void*)> mResizeListener;
LLPointer<LLUIImage> mDragHandleImage;
LLPanel * mImagePanel;
};
#endif // LL_RESIZEBAR_H
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