Merging r5975 through r6036 from trunk to ogl-es branch.

GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IGUIScrollBar.h

@@ -0,0 +1,65 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __I_GUI_SCROLL_BAR_H_INCLUDED__
+#define __I_GUI_SCROLL_BAR_H_INCLUDED__
+
+#include "IGUIElement.h"
+
+namespace irr
+{
+namespace gui
+{
+
+	//! Default scroll bar GUI element.
+	/** \par This element can create the following events of type EGUI_EVENT_TYPE:
+	\li EGET_SCROLL_BAR_CHANGED
+	*/
+	class IGUIScrollBar : public IGUIElement
+	{
+	public:
+
+		//! constructor
+		IGUIScrollBar(IGUIEnvironment* environment, IGUIElement* parent, s32 id, core::rect<s32> rectangle)
+			: IGUIElement(EGUIET_SCROLL_BAR, environment, parent, id, rectangle) {}
+
+		//! sets the maximum value of the scrollbar.
+		virtual void setMax(s32 max) = 0;
+		//! gets the maximum value of the scrollbar.
+		virtual s32 getMax() const = 0;
+
+		//! sets the minimum value of the scrollbar.
+		virtual void setMin(s32 min) = 0;
+		//! gets the minimum value of the scrollbar.
+		virtual s32 getMin() const = 0;
+
+		//! gets the small step value
+		virtual s32 getSmallStep() const = 0;
+
+		//! Sets the small step
+		/** That is the amount that the value changes by when clicking
+		on the buttons or using the cursor keys. */
+		virtual void setSmallStep(s32 step) = 0;
+
+		//! gets the large step value
+		virtual s32 getLargeStep() const = 0;
+
+		//! Sets the large step
+		/** That is the amount that the value changes by when clicking
+		in the tray, or using the page up and page down keys. */
+		virtual void setLargeStep(s32 step) = 0;
+
+		//! gets the current position of the scrollbar
+		virtual s32 getPos() const = 0;
+
+		//! sets the current position of the scrollbar
+		virtual void setPos(s32 pos) = 0;
+	};
+
+
+} // end namespace gui
+} // end namespace irr
+
+#endif
+