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/**
* @file llslider.h
* @brief A simple slider with no label.
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2007, 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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 "lluictrl.h"
#include "v4color.h"
class LLImageGL;
class LLSlider : public LLUICtrl
{
public:
LLSlider(
const LLString& name,
const LLRect& rect,
void (*on_commit_callback)(LLUICtrl* ctrl, void* userdata),
void* callback_userdata,
F32 initial_value,
F32 min_value,
F32 max_value,
F32 increment,
BOOL volume, //TODO: create a "volume" slider sub-class or just use image art, no? -MG
const LLString& control_name = LLString::null );
virtual EWidgetType getWidgetType() const { return WIDGET_TYPE_SLIDER_BAR; }
virtual LLString getWidgetTag() const { return LL_SLIDER_TAG; }
virtual LLXMLNodePtr getXML(bool save_children = true) const;
static LLView* fromXML(LLXMLNodePtr node, LLView *parent, class LLUICtrlFactory *factory);
void setValue( F32 value, BOOL from_event = FALSE );
F32 getValueF32() const { return mValue; }
virtual void setValue(const LLSD& value ) { setValue((F32)value.asReal(), TRUE); }
virtual LLSD getValue() const { return LLSD(getValueF32()); }
virtual void setMinValue(LLSD min_value) { setMinValue((F32)min_value.asReal()); }
virtual void setMaxValue(LLSD max_value) { setMaxValue((F32)max_value.asReal()); }
F32 getInitialValue() const { return mInitialValue; }
F32 getMinValue() const { return mMinValue; }
F32 getMaxValue() const { return mMaxValue; }
F32 getIncrement() const { return mIncrement; }
void setMinValue(F32 min_value) {mMinValue = min_value; updateThumbRect(); }
void setMaxValue(F32 max_value) {mMaxValue = max_value; updateThumbRect(); }
void setIncrement(F32 increment) {mIncrement = increment;}
void setMouseDownCallback( void (*cb)(LLUICtrl* ctrl, void* userdata) ) { mMouseDownCallback = cb; }
void setMouseUpCallback( void (*cb)(LLUICtrl* ctrl, void* userdata) ) { mMouseUpCallback = 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, BOOL called_from_parent);
virtual void draw();
private:
void setValueAndCommit(F32 value);
void updateThumbRect();
F32 mValue;
F32 mInitialValue;
F32 mMinValue;
F32 mMaxValue;
F32 mIncrement;
BOOL mVolumeSlider;
S32 mMouseOffset;
LLRect mDragStartThumbRect;
LLImageGL* mThumbImage;
LLImageGL* mTrackImage;
LLImageGL* mTrackHighlightImage;
LLRect mThumbRect;
LLColor4 mTrackColor;
LLColor4 mThumbOutlineColor;
LLColor4 mThumbCenterColor;
void (*mMouseDownCallback)(LLUICtrl* ctrl, void* userdata);
void (*mMouseUpCallback)(LLUICtrl* ctrl, void* userdata);
};
#endif // LL_LLSLIDER_H
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