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/Dragger.cpp

@@ -0,0 +1,59 @@
+/*
+	GWEN
+	Copyright (c) 2010 Facepunch Studios
+	See license in Gwen.h
+*/
+
+
+#include "Gwen/Controls/Dragger.h"
+
+using namespace Gwen;
+using namespace Gwen::ControlsInternal;
+
+
+
+GWEN_CONTROL_CONSTRUCTOR( Dragger )
+{
+	m_pTarget = NULL;
+	SetMouseInputEnabled( true );
+	m_bDepressed = false;
+}
+
+void Dragger::OnMouseClickLeft( int x, int y, bool bDown )
+{
+	if ( !m_pTarget ) return;
+
+	if ( bDown )
+	{
+		m_bDepressed = true;
+		m_HoldPos = m_pTarget->CanvasPosToLocal( Gwen::Point( x, y ) );
+		Gwen::MouseFocus = this;
+	}
+	else
+	{
+		m_bDepressed = false;
+
+		Gwen::MouseFocus = NULL;
+	}
+}
+
+void Dragger::OnMouseMoved( int x, int y, int /*deltaX*/, int /*deltaY*/ )
+{
+	if ( !m_pTarget ) return;
+	if ( !m_bDepressed ) return;
+
+	Gwen::Point p = Gwen::Point( x - m_HoldPos.x, y - m_HoldPos.y );
+	
+	// Translate to parent
+	if ( m_pTarget->GetParent() )
+		p = m_pTarget->GetParent()->CanvasPosToLocal( p );
+ 
+	//m_pTarget->SetPosition( p.x, p.y );
+	m_pTarget->MoveTo( p.x, p.y );
+	onDragged.Call( this );
+}
+
+void Dragger::Render( Skin::Base* /*skin*/ )
+{
+	//skin->DrawButton(this,false,false);
+}