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MyGUI_TextChangeHistory.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_TEXT_CHANGE_HISTORY_H__
00024 #define __MYGUI_TEXT_CHANGE_HISTORY_H__
00025 
00026 #include "MyGUI_Prerequest.h"
00027 #include "MyGUI_Common.h"
00028 
00029 namespace MyGUI
00030 {
00031 
00032     // инфо об одной операции
00033     struct TextCommandInfo
00034     {
00035         // типы операций
00036         enum CommandType
00037         {
00038             COMMAND_POSITION,
00039             COMMAND_INSERT,
00040             COMMAND_ERASE
00041         };
00042 
00043         // для удаления и вставки текста
00044         TextCommandInfo(const UString& _text, size_t _start, CommandType _type)
00045             : text(_text), type(_type), start(_start), undo(ITEM_NONE), redo(ITEM_NONE), length(ITEM_NONE) { }
00046         // для указания позиции
00047         TextCommandInfo(size_t _undo, size_t _redo, size_t _length)
00048             : type(COMMAND_POSITION), start(ITEM_NONE), undo(_undo), redo(_redo), length(_length) { }
00049 
00050         // строка харрактиризуещая изменения
00051         UString text;
00052         // тип операции
00053         CommandType type;
00054         // инфа о начале позиции
00055         size_t start;
00056         // инфа о псевдо позиции
00057         size_t undo, redo, length;
00058     };
00059 
00060     typedef std::vector<TextCommandInfo> VectorChangeInfo;
00061     typedef std::deque<VectorChangeInfo> DequeUndoRedoInfo;
00062 
00063 } // namespace MyGUI
00064 
00065 #endif // __MYGUI_TEXT_CHANGE_HISTORY_H__

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