//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
//
// Purpose: 
//
// $NoKeywords: $
//=============================================================================
#pragma once
#ifndef VGUI_SLIDER2_H
#define VGUI_SLIDER2_H

#include <VGUI.h>
#include <VGUI_Panel.h>
#include <VGUI_Dar.h>

namespace vgui
{
enum MouseCode;
class IntChangeSignal;

class VGUIAPI Slider2 : public Panel
{
	bool                  _vertical;
	bool                  _dragging;
	int                   _nobPos[2];
	int                   _nobDragStartPos[2];
	int                   _dragStartPos[2];
	Dar<IntChangeSignal*> _intChangeSignalDar;
	int                   _range[2];
	int                   _value;
	int                   _rangeWindow;
	bool                  _rangeWindowEnabled;
	int                   _buttonOffset;
public:
	Slider2( int x, int y, int wide, int tall, bool vertical );

	virtual void setValue( int value );
	virtual int  getValue();
	virtual bool isVertical();
	virtual void addIntChangeSignal( IntChangeSignal *s );
	virtual void setRange( int min, int max );
	virtual void getRange( int &min, int &max );
	virtual void setRangeWindow( int rangeWindow );
	virtual void setRangeWindowEnabled( bool state );
	virtual void setSize( int wide, int tall );
	virtual void getNobPos( int &min, int &max );
	virtual bool hasFullRange();
	virtual void setButtonOffset( int buttonOffset );
private:
	virtual void recomputeNobPosFromValue();
	virtual void recomputeValueFromNobPos();
public: // bullshit public
	virtual void privateCursorMoved( int x, int y, Panel *panel );
	virtual void privateMousePressed( MouseCode code, Panel *panel );
	virtual void privateMouseReleased( MouseCode code, Panel *panel );
protected:
	virtual void fireIntChangeSignal();
	virtual void paintBackground();
};
}

#endif // VGUI_SLIDER2_H