00001 /* $Id: textbuf_type.h 25102 2013-03-17 20:58:40Z rubidium $ */ 00002 00003 /* 00004 * This file is part of OpenTTD. 00005 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. 00006 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00007 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>. 00008 */ 00009 00012 #ifndef TEXTBUF_TYPE_H 00013 #define TEXTBUF_TYPE_H 00014 00015 #include "string_type.h" 00016 #include "strings_type.h" 00017 00019 struct Textbuf { 00020 CharSetFilter afilter; 00021 char * const buf; 00022 uint16 max_bytes; 00023 uint16 max_chars; 00024 uint16 bytes; 00025 uint16 chars; 00026 uint16 pixels; 00027 bool caret; 00028 uint16 caretpos; 00029 uint16 caretxoffs; 00030 00031 explicit Textbuf(uint16 max_bytes, uint16 max_chars = UINT16_MAX); 00032 ~Textbuf(); 00033 00034 void Assign(StringID string); 00035 void Assign(const char *text); 00036 void CDECL Print(const char *format, ...) WARN_FORMAT(2, 3); 00037 00038 void DeleteAll(); 00039 bool DeleteChar(int delmode); 00040 bool InsertChar(uint32 key); 00041 bool InsertClipboard(); 00042 bool MovePos(int navmode); 00043 00044 bool HandleCaret(); 00045 void UpdateSize(); 00046 00047 private: 00048 bool CanDelChar(bool backspace); 00049 WChar GetNextDelChar(bool backspace); 00050 void DelChar(bool backspace); 00051 bool CanMoveCaretLeft(); 00052 WChar MoveCaretLeft(); 00053 bool CanMoveCaretRight(); 00054 WChar MoveCaretRight(); 00055 00056 }; 00057 00058 #endif /* TEXTBUF_TYPE_H */