add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/ThirdPartyLibs/Gwen/Controls/Slider.h

@@ -0,0 +1,88 @@
+/*
+	GWEN
+	Copyright (c) 2010 Facepunch Studios
+	See license in Gwen.h
+*/
+
+#pragma once
+#ifndef GWEN_CONTROLS_SLIDER_H
+#define GWEN_CONTROLS_SLIDER_H
+
+#include "Gwen/Controls/Base.h"
+#include "Gwen/Controls/Button.h"
+#include "Gwen/Controls/Dragger.h"
+#include "Gwen/Gwen.h"
+#include "Gwen/Skin.h"
+
+namespace Gwen 
+{
+	namespace ControlsInternal
+	{
+		class GWEN_EXPORT SliderBar : public ControlsInternal::Dragger
+		{
+			GWEN_CONTROL( SliderBar, ControlsInternal::Dragger );
+
+			virtual void Render( Skin::Base* skin );
+		};
+	}
+
+	namespace Controls
+	{
+
+		class GWEN_EXPORT Slider : public Base
+		{
+				GWEN_CONTROL( Slider, Base );
+
+				virtual void Render( Skin::Base* skin ) = 0;
+				virtual void Layout( Skin::Base* skin );
+
+				virtual void SetClampToNotches( bool bClamp ) { m_bClampToNotches = bClamp; }
+
+				virtual void SetNotchCount( int num ) { m_iNumNotches = num; }
+				virtual int GetNotchCount() { return m_iNumNotches; }
+
+				virtual void SetRange( float fMin, float fMax );
+				virtual float GetRangeMin() const
+				{
+					return m_fMin;
+				}
+				virtual float GetRangeMax() const
+				{
+					return m_fMax;
+				}
+				virtual float GetValue();
+				virtual void SetValue( float val, bool forceUpdate = true );
+
+				virtual float CalculateValue();
+				virtual void OnMoved( Controls::Base * control );
+
+				virtual void OnMouseClickLeft( int /*x*/, int /*y*/, bool /*bDown*/ ){};
+
+				virtual bool OnKeyRight( bool bDown )	{	if ( bDown ) SetValue( GetValue() + 1, true ); return true; }
+				virtual bool OnKeyLeft( bool bDown )	{	if ( bDown ) SetValue( GetValue() - 1, true ); return true; }
+				virtual bool OnKeyUp( bool bDown )		{	if ( bDown ) SetValue( GetValue() + 1, true ); return true; }
+				virtual bool OnKeyDown( bool bDown )	{	if ( bDown ) SetValue( GetValue() - 1, true ); return true; }
+
+				virtual void RenderFocus( Gwen::Skin::Base* skin);
+				
+				Gwen::Event::Caller	onValueChanged;
+
+			protected:
+
+				virtual void SetValueInternal( float fVal );
+				virtual void UpdateBarFromValue() = 0;
+
+				ControlsInternal::SliderBar * m_SliderBar;
+				bool m_bClampToNotches;
+				int m_iNumNotches;
+				float m_fValue;
+
+				float m_fMin;
+				float m_fMax;
+				
+		};
+	}
+
+
+}
+#endif