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/**
* @file llslider.h
* @brief A simple slider with no label.
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2009, 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_LLSLIDER_H
#define LL_LLSLIDER_H
#include "llf32uictrl.h"
#include "v4color.h"
class LLImageGL;
class LLSlider : public LLF32UICtrl
{
public:
struct Params : public LLInitParam::Block<Params, LLF32UICtrl::Params>
{
Optional<LLUIColor> track_color,
thumb_outline_color,
thumb_center_color;
Optional<LLUIImage*> thumb_image,
track_image,
track_highlight_image;
Optional<CommitCallbackParam> mouse_down_callback,
mouse_up_callback;
Params();
};
protected:
LLSlider(const Params&);
friend class LLUICtrlFactory;
public:
void setValue( F32 value, BOOL from_event = FALSE );
// overrides for LLF32UICtrl methods
virtual void setValue(const LLSD& value ) { setValue((F32)value.asReal(), TRUE); }
virtual void setMinValue(F32 min_value) { LLF32UICtrl::setMinValue(min_value); updateThumbRect(); }
virtual void setMaxValue(F32 max_value) { LLF32UICtrl::setMaxValue(max_value); updateThumbRect(); }
boost::signals2::connection setMouseDownCallback( const commit_signal_t::slot_type& cb ) { return mMouseDownSignal.connect(cb); }
boost::signals2::connection setMouseUpCallback( const commit_signal_t::slot_type& cb ) { return mMouseUpSignal.connect(cb); }
virtual BOOL handleHover(S32 x, S32 y, MASK mask);
virtual BOOL handleMouseUp(S32 x, S32 y, MASK mask);
virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
virtual BOOL handleKeyHere(KEY key, MASK mask);
virtual void draw();
private:
void setValueAndCommit(F32 value);
void updateThumbRect();
BOOL mVolumeSlider;
S32 mMouseOffset;
LLRect mDragStartThumbRect;
LLUIImage* mThumbImage;
LLUIImage* mTrackImage;
LLUIImage* mTrackHighlightImage;
LLRect mThumbRect;
LLUIColor mTrackColor;
LLUIColor mThumbOutlineColor;
LLUIColor mThumbCenterColor;
commit_signal_t mMouseDownSignal;
commit_signal_t mMouseUpSignal;
};
#endif // LL_LLSLIDER_H
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