author | jowenn <jowenn> | 2002-11-10 21:08:01 (UTC) |
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committer | jowenn <jowenn> | 2002-11-10 21:08:01 (UTC) |
commit | e97a6da57804aa14907dec327fbae71bff9b383e (patch) (unidiff) | |
tree | 15f6ee292dba24bdda72f5c72f6d2224c3516763 /noncore/apps/tinykate/libkate/document/katebuffer.h | |
parent | 7c012ee8cd16d8befacc6f6750711443fac0fd5e (diff) | |
download | opie-e97a6da57804aa14907dec327fbae71bff9b383e.zip opie-e97a6da57804aa14907dec327fbae71bff9b383e.tar.gz opie-e97a6da57804aa14907dec327fbae71bff9b383e.tar.bz2 |
import of tiny kate. (saving not possible yet)
Diffstat (limited to 'noncore/apps/tinykate/libkate/document/katebuffer.h') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/apps/tinykate/libkate/document/katebuffer.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/noncore/apps/tinykate/libkate/document/katebuffer.h b/noncore/apps/tinykate/libkate/document/katebuffer.h new file mode 100644 index 0000000..9088498 --- a/dev/null +++ b/noncore/apps/tinykate/libkate/document/katebuffer.h | |||
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1 | /* | ||
2 | This file is part of KWrite | ||
3 | Copyright (c) 2000 Waldo Bastian <bastian@kde.org> | ||
4 | Copyright (c) 2002 Joseph Wenninger <jowenn@kde.org> | ||
5 | |||
6 | This library is free software; you can redistribute it and/or | ||
7 | modify it under the terms of the GNU Library General Public | ||
8 | License version 2 as published by the Free Software Foundation. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Library General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Library General Public License | ||
16 | along with this library; see the file COPYING.LIB. If not, write to | ||
17 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
18 | Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | |||
21 | #ifndef _KWBUFFER_H_ | ||
22 | #define _KWBUFFER_H_ | ||
23 | |||
24 | #include <qstring.h> | ||
25 | #include <qstringlist.h> | ||
26 | #include <qlist.h> | ||
27 | #include <qobject.h> | ||
28 | #include <qtimer.h> | ||
29 | |||
30 | #include "katetextline.h" | ||
31 | |||
32 | class QTextCodec; | ||
33 | |||
34 | /** | ||
35 | * The KWBuffer class maintains a collections of lines. | ||
36 | * It allows to maintain state information in a lazy way. | ||
37 | * It handles swapping out of data using secondary storage. | ||
38 | * | ||
39 | * It is designed to handle large amounts of text-data efficiently | ||
40 | * with respect to CPU and memory usage. | ||
41 | * | ||
42 | * @author Waldo Bastian <bastian@kde.org> | ||
43 | */ | ||
44 | class KWBuffer : public QObject | ||
45 | { | ||
46 | Q_OBJECT | ||
47 | public: | ||
48 | /** | ||
49 | * Create an empty buffer. | ||
50 | */ | ||
51 | KWBuffer(); | ||
52 | |||
53 | /** | ||
54 | * Insert a file at line @p line in the buffer. | ||
55 | * Using @p codec to decode the file. | ||
56 | */ | ||
57 | void insertFile(int line, const QString &file, QTextCodec *codec); | ||
58 | |||
59 | /** | ||
60 | * Insert a block of data at line @p line in the buffer. | ||
61 | * Using @p codec to decode the file. | ||
62 | */ | ||
63 | void insertData(int line, const QByteArray &data, QTextCodec *codec); | ||
64 | |||
65 | /** | ||
66 | * Return the total number of lines in the buffer. | ||
67 | */ | ||
68 | int count(); | ||
69 | |||
70 | /** | ||
71 | * Return line @p i | ||
72 | */ | ||
73 | TextLine::Ptr line(int i); | ||
74 | |||
75 | /** | ||
76 | * Insert @p line in front of line @p i | ||
77 | */ | ||
78 | void insertLine(int i, TextLine::Ptr line); | ||
79 | |||
80 | /** | ||
81 | * Remove line @p i | ||
82 | */ | ||
83 | void removeLine(int i); | ||
84 | |||
85 | /** | ||
86 | * Change line @p i | ||
87 | */ | ||
88 | void changeLine(int i); | ||
89 | |||
90 | /** | ||
91 | * Clear the buffer. | ||
92 | */ | ||
93 | void clear(); | ||
94 | |||
95 | signals: | ||
96 | |||
97 | void textChanged(); | ||
98 | /** | ||
99 | * Emitted during loading. | ||
100 | */ | ||
101 | void linesChanged(int lines); | ||
102 | void needHighlight(long,long); | ||
103 | |||
104 | protected: | ||
105 | /** | ||
106 | * Make sure @p buf gets loaded. | ||
107 | */ | ||
108 | void loadBlock(KWBufBlock *buf); | ||
109 | |||
110 | /** | ||
111 | * Make sure @p buf gets parsed. | ||
112 | */ | ||
113 | void parseBlock(KWBufBlock *buf); | ||
114 | |||
115 | /** | ||
116 | * Mark @p buf dirty. | ||
117 | */ | ||
118 | void dirtyBlock(KWBufBlock *buf); | ||
119 | |||
120 | /** | ||
121 | * Find the block containing line @p i | ||
122 | */ | ||
123 | KWBufBlock *findBlock(int i); | ||
124 | |||
125 | /** | ||
126 | * Load a part of the file that is currently loading. | ||
127 | */ | ||
128 | void loadFilePart(); | ||
129 | |||
130 | protected slots: | ||
131 | void slotLoadFile(); | ||
132 | |||
133 | protected: | ||
134 | TextLine::List m_stringList; | ||
135 | TextLine::List::Iterator m_stringListIt; | ||
136 | int m_stringListCurrent; | ||
137 | int m_lineCount; | ||
138 | void seek(int i); | ||
139 | |||
140 | |||
141 | }; | ||
142 | |||
143 | #endif | ||