stunning improvements to drawing, completely removed flickering, only minor visual problems remain, maybe needs testing with regard to targeted views being removed or the scrollbar being removed etc

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14736 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/interface/ScrollBar.h

@@ -1,30 +1,13 @@
-//------------------------------------------------------------------------------
-//	Copyright (c) 2001-2002, OpenBeOS
-//
-//	Permission is hereby granted, free of charge, to any person obtaining a
-//	copy of this software and associated documentation files (the "Software"),
-//	to deal in the Software without restriction, including without limitation
-//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
-//	and/or sell copies of the Software, and to permit persons to whom the
-//	Software is furnished to do so, subject to the following conditions:
-//
-//	The above copyright notice and this permission notice shall be included in
-//	all copies or substantial portions of the Software.
-//
-//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-//	DEALINGS IN THE SOFTWARE.
-//
-//	File Name:		ScrollBar.h
-//	Author:			Marc Flerackers ([email protected])
-//					DarkWyrm ([email protected])
-//	Description:	Client-side class for scrolling
-//
-//------------------------------------------------------------------------------
+/*
+ * Copyright (c) 2001-2005, Haiku, Inc.
+ * Distributed under the terms of the MIT license.
+ *
+ * Authors:
+ *		Marc Flerackers ([email protected])
+ *		DarkWyrm ([email protected])
+ *		Stephan Aßmus <[email protected]>
+ */
+
 #ifndef	_SCROLL_BAR_H
 #define	_SCROLL_BAR_H
 
@@ -120,17 +103,9 @@ virtual	void		_ReservedScrollBar4();
 		void		_UpdateTargetValue(BPoint where);
 		void		_UpdateArrowButtons();
 		void		_DrawArrowButton(int32 direction,
-									 BRect frame, bool down);
-		
-
-/*		void		DrawButtons(BRect updateRect);
-		void		DrawArrow(BPoint pos, int32 which, bool pressed = false);
-		void		DrawButton(BRect frame, int32 arrowType, bool pressed = false); 
-			
-		BRect		BarFrame() const;
-		BRect		KnobFrame() const;
-		float		ValueToPosition(float val) const;
-		float 		PositionToValue(float pos) const;*/
+									 BRect frame,
+									 const BRect& updateRect,
+									 bool down);
 		
 		float		fMin;
 		float		fMax;