/*
	GWEN
	Copyright (c) 2010 Facepunch Studios
	See license in Gwen.h
*/

#pragma once
#ifndef GWEN_CONTROLS_BUTTON_H
#define GWEN_CONTROLS_BUTTON_H

#include "gwen_base.h"
#include "gwen_label.h"
#include "../gwen_texture.h"

namespace Gwen 
{
	namespace Controls
	{
		class ImagePanel;

		class GWEN_EXPORT Button : public Label
		{
			public:

				GWEN_CONTROL( Button, Label );
				
				virtual void Render( Skin::Base* skin );
				virtual void OnMouseClickLeft( int x, int y, bool bDown );
				virtual void OnMouseClickRight( int x, int y, bool bDown );
				virtual void OnMouseDoubleClickLeft( int x, int y );
				virtual bool OnKeySpace( bool bDown );

				virtual void OnPress();
				virtual void OnRightPress();

				virtual void AcceleratePressed();

				virtual bool IsDepressed() const { return m_bDepressed; }
				virtual void SetDepressed( bool b );

				//
				// Buttons can be toggle type, which means that it is 
				// toggled on and off. Its toggle status is in IsDepressed.
				//
				virtual void SetIsToggle( bool b ){ m_bToggle = b; }
				virtual bool IsToggle() const { return m_bToggle; }
				virtual bool GetToggleState() const { return m_bToggleStatus; }
				virtual void SetToggleState( bool b );
				virtual void Toggle(){ SetToggleState( !GetToggleState() ); }


				virtual void SetImage( const Texture& texture, bool bCenter = false );
				virtual void SetImage( const Texture& texture, float u1, float v1, float u2, float v2, bool bCenter = false );
				virtual void SetImage( const TextObject& strName, bool bCenter = false );

				virtual void SizeToContents();
				virtual void PostLayout( Skin::Base* pSkin );
				virtual void UpdateColours();

				virtual void SetImageAlpha( float fMultiply );

				virtual void DoAction(){ OnPress(); }
				virtual void SetAction( Event::Handler* pObject, Handler::FunctionWithInformation pFunction, const Gwen::Event::Packet& packet );

			public:

				Gwen::Event::Caller	onPress;
				Gwen::Event::Caller	onRightPress;
				Gwen::Event::Caller	onDown;
				Gwen::Event::Caller	onUp;
				Gwen::Event::Caller	onDoubleClick;
				Gwen::Event::Caller	onToggle;
				Gwen::Event::Caller	onToggleOn;
				Gwen::Event::Caller	onToggleOff;

			protected:

				ImagePanel*		m_Image;

				bool	m_bDepressed;
				bool	m_bToggle;
				bool	m_bToggleStatus;

				bool	m_bCenterImage;
		};
	}
}
#endif