1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/* This file is part of the KDE libraries
Copyright (C) 2002 Christian Couder <christian@tdevelop.org>
Copyright (C) 2001, 2003 Christoph Cullmann <cullmann@kde.org>
Copyright (C) 2001 Joseph Wenninger <jowenn@kde.org>
Copyright (C) 1999 Jochen Wilhelmy <digisnap@cs.tu-berlin.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "katecursor.h"
#include "katedocument.h"
#include "katetextline.h"
//
// KateDocCursor implementation
//
KateDocCursor::KateDocCursor(KateDocument *doc) : KateTextCursor(), m_doc(doc)
{
}
KateDocCursor::KateDocCursor(int line, int col, KateDocument *doc)
: KateTextCursor(line, col), m_doc(doc)
{
}
bool KateDocCursor::validPosition(uint line, uint col)
{
return line < m_doc->numLines() && (int)col <= m_doc->lineLength(line);
}
bool KateDocCursor::validPosition()
{
return validPosition(line(), col());
}
void KateDocCursor::position(uint *pline, uint *pcol) const
{
if (pline)
*pline = (uint)line();
if (pcol)
*pcol = (uint)col();
}
bool KateDocCursor::setPosition(uint line, uint col)
{
bool ok = validPosition(line, col);
if(ok)
setPos(line, col);
return ok;
}
bool KateDocCursor::gotoNextLine()
{
bool ok = (line() + 1 < (int)m_doc->numLines());
if (ok) {
m_line++;
m_col = 0;
}
return ok;
}
bool KateDocCursor::gotoPreviousLine()
{
bool ok = (line() > 0);
if (ok) {
m_line--;
m_col = 0;
}
return ok;
}
bool KateDocCursor::gotoEndOfNextLine()
{
bool ok = gotoNextLine();
if(ok)
m_col = m_doc->lineLength(line());
return ok;
}
bool KateDocCursor::gotoEndOfPreviousLine()
{
bool ok = gotoPreviousLine();
if(ok)
m_col = m_doc->lineLength(line());
return ok;
}
int KateDocCursor::nbCharsOnLineAfter()
{
return ((int)m_doc->lineLength(line()) - col());
}
bool KateDocCursor::moveForward(uint nbChar)
{
int nbCharLeft = nbChar - nbCharsOnLineAfter();
if(nbCharLeft > 0) {
return gotoNextLine() && moveForward((uint)nbCharLeft);
} else {
m_col += nbChar;
return true;
}
}
bool KateDocCursor::moveBackward(uint nbChar)
{
int nbCharLeft = nbChar - m_col;
if(nbCharLeft > 0) {
return gotoEndOfPreviousLine() && moveBackward((uint)nbCharLeft);
} else {
m_col -= nbChar;
return true;
}
}
bool KateDocCursor::insertText(const TQString& s)
{
return m_doc->insertText(line(), col(), s);
}
bool KateDocCursor::removeText(uint nbChar)
{
// Get a cursor at the end of the removed area
KateDocCursor endCursor = *this;
endCursor.moveForward(nbChar);
// Remove the text
return m_doc->removeText((uint)line(), (uint)col(),
(uint)endCursor.line(), (uint)endCursor.col());
}
TQChar KateDocCursor::currentChar() const
{
return m_doc->plainKateTextLine(line())->getChar(col());
}
uchar KateDocCursor::currentAttrib() const
{
return m_doc->plainKateTextLine(line())->attribute(col());
}
bool KateDocCursor::nextNonSpaceChar()
{
for(; m_line < (int)m_doc->numLines(); m_line++) {
m_col = m_doc->plainKateTextLine(line())->nextNonSpaceChar(col());
if(m_col != -1)
return true; // Next non-space char found
m_col = 0;
}
// No non-space char found
setPos(-1, -1);
return false;
}
bool KateDocCursor::previousNonSpaceChar()
{
while (true) {
m_col = m_doc->plainKateTextLine(line())->previousNonSpaceChar(col());
if(m_col != -1) return true; // Previous non-space char found
if(m_line == 0) return false;
--m_line;
m_col = m_doc->plainKateTextLine(m_line)->length();
}
// No non-space char found
setPos(-1, -1);
return false;
}
// kate: space-indent on; indent-width 2; replace-tabs on;
|
