MyGUI 3.0.1
MyGUI_ScrollViewBase.h
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00001 
00007 /*
00008     This file is part of MyGUI.
00009 
00010     MyGUI is free software: you can redistribute it and/or modify
00011     it under the terms of the GNU Lesser General Public License as published by
00012     the Free Software Foundation, either version 3 of the License, or
00013     (at your option) any later version.
00014 
00015     MyGUI is distributed in the hope that it will be useful,
00016     but WITHOUT ANY WARRANTY; without even the implied warranty of
00017     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018     GNU Lesser General Public License for more details.
00019 
00020     You should have received a copy of the GNU Lesser General Public License
00021     along with MyGUI.  If not, see <http://www.gnu.org/licenses/>.
00022 */
00023 #ifndef __MYGUI_SCROLL_VIEW_BASE_H__
00024 #define __MYGUI_SCROLL_VIEW_BASE_H__
00025 
00026 #include "MyGUI_Prerequest.h"
00027 #include "MyGUI_Types.h"
00028 
00029 namespace MyGUI
00030 {
00031 
00032     class ScrollViewBase
00033     {
00034 
00035     protected:
00036         ScrollViewBase();
00037         virtual ~ScrollViewBase() { }
00038 
00039         void updateScrollSize();
00040         void updateScrollPosition();
00041 
00042         // размер данных
00043         virtual IntSize getContentSize() { return IntSize(); }
00044         // смещение данных
00045         virtual IntPoint getContentPosition() { return IntPoint(); }
00046         virtual void setContentPosition(const IntPoint& _value) { }
00047         // размер окна, через которые видно данные
00048         virtual IntSize getViewSize() const { return IntSize(); }
00049         // размер на который прокручиваются данные при щелчке по скролу
00050         virtual size_t getHScrollPage() { return 1; }
00051         virtual size_t getVScrollPage() { return 1; }
00052 
00053         virtual Align getContentAlign() { return Align::Center; }
00054 
00055         virtual void eraseContent() { }
00056 
00057     protected:
00058         VScroll* mVScroll;
00059         HScroll* mHScroll;
00060         Widget* mClient;
00061 
00062         bool mVisibleHScroll;
00063         bool mVisibleVScroll;
00064 
00065         size_t mVRange;
00066         size_t mHRange;
00067 
00068         // изменяется ли содержимое при ресайзе
00069         bool mChangeContentByResize;
00070 
00071     };
00072 
00073 } // namespace MyGUI
00074 
00075 #endif // __MYGUI_SCROLL_VIEW_BASE_H__