MyGUI  3.2.0
MyGUI_TextChangeHistory.h
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00001 
00006 /*
00007     This file is part of MyGUI.
00008 
00009     MyGUI is free software: you can redistribute it and/or modify
00010     it under the terms of the GNU Lesser General Public License as published by
00011     the Free Software Foundation, either version 3 of the License, or
00012     (at your option) any later version.
00013 
00014     MyGUI is distributed in the hope that it will be useful,
00015     but WITHOUT ANY WARRANTY; without even the implied warranty of
00016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017     GNU Lesser General Public License for more details.
00018 
00019     You should have received a copy of the GNU Lesser General Public License
00020     along with MyGUI.  If not, see <http://www.gnu.org/licenses/>.
00021 */
00022 #ifndef __MYGUI_TEXT_CHANGE_HISTORY_H__
00023 #define __MYGUI_TEXT_CHANGE_HISTORY_H__
00024 
00025 #include "MyGUI_Prerequest.h"
00026 #include "MyGUI_Macros.h"
00027 #include "MyGUI_UString.h"
00028 #include <deque>
00029 
00030 namespace MyGUI
00031 {
00032 
00033     // инфо об одной операции
00034     struct TextCommandInfo
00035     {
00036         // типы операций
00037         enum CommandType
00038         {
00039             COMMAND_POSITION,
00040             COMMAND_INSERT,
00041             COMMAND_ERASE
00042         };
00043 
00044         // для удаления и вставки текста
00045         TextCommandInfo(const UString& _text, size_t _start, CommandType _type) :
00046             text(_text),
00047             type(_type),
00048             start(_start),
00049             undo(ITEM_NONE),
00050             redo(ITEM_NONE),
00051             length(ITEM_NONE)
00052         {
00053         }
00054 
00055         // для указания позиции
00056         TextCommandInfo(size_t _undo, size_t _redo, size_t _length) :
00057             type(COMMAND_POSITION),
00058             start(ITEM_NONE),
00059             undo(_undo),
00060             redo(_redo),
00061             length(_length)
00062         {
00063         }
00064 
00065         // строка харрактиризуещая изменения
00066         UString text;
00067         // тип операции
00068         CommandType type;
00069         // инфа о начале позиции
00070         size_t start;
00071         // инфа о псевдо позиции
00072         size_t undo, redo, length;
00073     };
00074 
00075     typedef std::vector<TextCommandInfo> VectorChangeInfo;
00076     typedef std::deque<VectorChangeInfo> DequeUndoRedoInfo;
00077 
00078 } // namespace MyGUI
00079 
00080 #endif // __MYGUI_TEXT_CHANGE_HISTORY_H__