Rapicorn - Experimental UI Toolkit - Source Code: ui/scrollitems.hh Source File

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00001 /* Rapicorn
00002  * Copyright (C) 2006 Tim Janik
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Lesser General Public License for more details.
00013  *
00014  * A copy of the GNU Lesser General Public License should ship along
00015  * with this library; if not, see http://www.gnu.org/copyleft/.
00016  */
00017 #ifndef __RAPICORN_SCROLL_ITEMS_HH__
00018 #define __RAPICORN_SCROLL_ITEMS_HH__
00019 
00020 #include <ui/adjustment.hh>
00021 #include <ui/container.hh>
00022 
00023 namespace Rapicorn {
00024 
00025 /* --- ScrollArea --- */
00026 class ScrollArea : public virtual ContainerImpl, public virtual AdjustmentSource {
00027 protected:
00028   explicit              ScrollArea();
00029 public:
00030   virtual double        xoffset         () const = 0;
00031   virtual double        yoffset         () const = 0;
00032   virtual void          scroll_to       (double x,
00033                                          double y) = 0;
00034 };
00035 
00036 } // Rapicorn
00037 
00038 #endif  /* __RAPICORN_SCROLL_ITEMS_HH__ */