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/**
* @file llsliderctrl.h
* @brief LLSliderCtrl base class
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* 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_LLSLIDERCTRL_H
#define LL_LLSLIDERCTRL_H
#include "lluictrl.h"
#include "v4color.h"
#include "llslider.h"
#include "lltextbox.h"
#include "llrect.h"
//
// Constants
//
const S32 SLIDERCTRL_SPACING = 4; // space between label, slider, and text
const S32 SLIDERCTRL_HEIGHT = 16;
//
// Classes
//
class LLFontGL;
class LLLineEditor;
class LLSlider;
class LLSliderCtrl : public LLUICtrl
{
public:
LLSliderCtrl(const LLString& name,
const LLRect& rect,
const LLString& label,
const LLFontGL* font,
S32 slider_left,
S32 text_left,
BOOL show_text,
BOOL can_edit_text,
BOOL volume,
void (*commit_callback)(LLUICtrl*, void*),
void* callback_userdata,
F32 initial_value, F32 min_value, F32 max_value, F32 increment,
const LLString& control_which = LLString::null );
virtual ~LLSliderCtrl();
virtual EWidgetType getWidgetType() const { return WIDGET_TYPE_SLIDER; }
virtual LLString getWidgetTag() const { return LL_SLIDER_CTRL_TAG; }
virtual LLXMLNodePtr getXML(bool save_children = true) const;
static LLView* fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory);
F32 getValueF32() const;
void setValue(F32 v, BOOL from_event = FALSE);
virtual void setValue(const LLSD& value ) { setValue((F32)value.asReal(), TRUE); }
virtual LLSD getValue() const { return LLSD(getValueF32()); }
virtual BOOL setLabelArg( const LLString& key, const LLStringExplicit& text );
virtual void setMinValue(LLSD min_value) { setMinValue((F32)min_value.asReal()); }
virtual void setMaxValue(LLSD max_value) { setMaxValue((F32)max_value.asReal()); }
BOOL isMouseHeldDown();
virtual void setEnabled( BOOL b );
virtual void clear();
virtual void setPrecision(S32 precision);
void setMinValue(F32 min_value) {mSlider->setMinValue(min_value);}
void setMaxValue(F32 max_value) {mSlider->setMaxValue(max_value);}
void setIncrement(F32 increment) {mSlider->setIncrement(increment);}
F32 getMinValue() { return mSlider->getMinValue(); }
F32 getMaxValue() { return mSlider->getMaxValue(); }
void setLabel(const LLStringExplicit& label) { if (mLabelBox) mLabelBox->setText(label); }
void setLabelColor(const LLColor4& c) { mTextEnabledColor = c; }
void setDisabledLabelColor(const LLColor4& c) { mTextDisabledColor = c; }
void setSliderMouseDownCallback( void (*slider_mousedown_callback)(LLUICtrl* caller, void* userdata) );
void setSliderMouseUpCallback( void (*slider_mouseup_callback)(LLUICtrl* caller, void* userdata) );
virtual void onTabInto();
virtual void setTentative(BOOL b); // marks value as tentative
virtual void onCommit(); // mark not tentative, then commit
virtual void setControlName(const LLString& control_name, LLView* context);
virtual LLString getControlName() const;
static void onSliderCommit(LLUICtrl* caller, void* userdata);
static void onSliderMouseDown(LLUICtrl* caller,void* userdata);
static void onSliderMouseUp(LLUICtrl* caller,void* userdata);
static void onEditorCommit(LLUICtrl* caller, void* userdata);
static void onEditorGainFocus(LLFocusableElement* caller, void *userdata);
static void onEditorChangeFocus(LLUICtrl* caller, S32 direction, void *userdata);
private:
void updateText();
void reportInvalidData();
private:
const LLFontGL* mFont;
BOOL mShowText;
BOOL mCanEditText;
BOOL mVolumeSlider;
S32 mPrecision;
LLTextBox* mLabelBox;
S32 mLabelWidth;
F32 mValue;
LLSlider* mSlider;
LLLineEditor* mEditor;
LLTextBox* mTextBox;
LLColor4 mTextEnabledColor;
LLColor4 mTextDisabledColor;
void (*mSliderMouseUpCallback)( LLUICtrl* ctrl, void* userdata );
void (*mSliderMouseDownCallback)( LLUICtrl* ctrl, void* userdata );
};
#endif // LL_LLSLIDERCTRL_H
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