reorganize files and add btgui

btgui/Gwen/Controls/ScrollBarButton.cpp

@@ -0,0 +1,45 @@
+/*
+	GWEN
+	Copyright (c) 2010 Facepunch Studios
+	See license in Gwen.h
+*/
+
+
+#include "Gwen/Controls/ScrollBar.h"
+#include "Gwen/Controls/ScrollBarButton.h"
+
+using namespace Gwen;
+using namespace Gwen::Controls;
+using namespace Gwen::ControlsInternal;
+
+
+GWEN_CONTROL_CONSTRUCTOR( ScrollBarButton )
+{
+	m_iDirection = 0;
+	SetBounds(0,0,0,0);
+}
+
+void ScrollBarButton::SetDirectionUp()
+{
+	m_iDirection = Pos::Top;
+}
+
+void ScrollBarButton::SetDirectionDown()
+{
+	m_iDirection = Pos::Bottom;
+}
+
+void ScrollBarButton::SetDirectionLeft()
+{
+	m_iDirection = Pos::Left;
+}
+
+void ScrollBarButton::SetDirectionRight()
+{
+	m_iDirection = Pos::Right;
+}
+
+void ScrollBarButton::Render( Skin::Base* skin )
+{
+	skin->DrawScrollButton( this, m_iDirection, m_bDepressed );
+}