summaryrefslogtreecommitdiffstats
path: root/src/gui/text/qtextcursor.h
blob: efada98ab75b992f75b1e2d17609c003d025861a (plain)
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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: http://www.qt-project.org/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QTEXTCURSOR_H
#define QTEXTCURSOR_H

#include <QtCore/qstring.h>
#include <QtCore/qshareddata.h>
#include <QtGui/qtextformat.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE


class QTextDocument;
class QTextCursorPrivate;
class QTextDocumentFragment;
class QTextCharFormat;
class QTextBlockFormat;
class QTextListFormat;
class QTextTableFormat;
class QTextFrameFormat;
class QTextImageFormat;
class QTextDocumentPrivate;
class QTextList;
class QTextTable;
class QTextFrame;
class QTextBlock;

class Q_GUI_EXPORT QTextCursor
{
public:
    QTextCursor();
    explicit QTextCursor(QTextDocument *document);
    QTextCursor(QTextDocumentPrivate *p, int pos);
    explicit QTextCursor(QTextFrame *frame);
    explicit QTextCursor(const QTextBlock &block);
    explicit QTextCursor(QTextCursorPrivate *d);
    QTextCursor(const QTextCursor &cursor);
    QTextCursor &operator=(const QTextCursor &other);
    ~QTextCursor();

    bool isNull() const;

    enum MoveMode {
        MoveAnchor,
        KeepAnchor
    };

    void setPosition(int pos, MoveMode mode = MoveAnchor);
    int position() const;
    int positionInBlock() const;

    int anchor() const;

    void insertText(const QString &text);
    void insertText(const QString &text, const QTextCharFormat &format);

    enum MoveOperation {
        NoMove,

        Start,
        Up,
        StartOfLine,
        StartOfBlock,
        StartOfWord,
        PreviousBlock,
        PreviousCharacter,
        PreviousWord,
        Left,
        WordLeft,

        End,
        Down,
        EndOfLine,
        EndOfWord,
        EndOfBlock,
        NextBlock,
        NextCharacter,
        NextWord,
        Right,
        WordRight,

        NextCell,
        PreviousCell,
        NextRow,
        PreviousRow
    };

    bool movePosition(MoveOperation op, MoveMode = MoveAnchor, int n = 1);

    bool visualNavigation() const;
    void setVisualNavigation(bool b);

    void setVerticalMovementX(int x);
    int verticalMovementX() const;

    void setKeepPositionOnInsert(bool b);
    bool keepPositionOnInsert() const;

    void deleteChar();
    void deletePreviousChar();

    enum SelectionType {
        WordUnderCursor,
        LineUnderCursor,
        BlockUnderCursor,
        Document
    };
    void select(SelectionType selection);

    bool hasSelection() const;
    bool hasComplexSelection() const;
    void removeSelectedText();
    void clearSelection();
    int selectionStart() const;
    int selectionEnd() const;

    QString selectedText() const;
    QTextDocumentFragment selection() const;
    void selectedTableCells(int *firstRow, int *numRows, int *firstColumn, int *numColumns) const;

    QTextBlock block() const;

    QTextCharFormat charFormat() const;
    void setCharFormat(const QTextCharFormat &format);
    void mergeCharFormat(const QTextCharFormat &modifier);

    QTextBlockFormat blockFormat() const;
    void setBlockFormat(const QTextBlockFormat &format);
    void mergeBlockFormat(const QTextBlockFormat &modifier);

    QTextCharFormat blockCharFormat() const;
    void setBlockCharFormat(const QTextCharFormat &format);
    void mergeBlockCharFormat(const QTextCharFormat &modifier);

    bool atBlockStart() const;
    bool atBlockEnd() const;
    bool atStart() const;
    bool atEnd() const;

    void insertBlock();
    void insertBlock(const QTextBlockFormat &format);
    void insertBlock(const QTextBlockFormat &format, const QTextCharFormat &charFormat);

    QTextList *insertList(const QTextListFormat &format);
    QTextList *insertList(QTextListFormat::Style style);

    QTextList *createList(const QTextListFormat &format);
    QTextList *createList(QTextListFormat::Style style);
    QTextList *currentList() const;

    QTextTable *insertTable(int rows, int cols, const QTextTableFormat &format);
    QTextTable *insertTable(int rows, int cols);
    QTextTable *currentTable() const;

    QTextFrame *insertFrame(const QTextFrameFormat &format);
    QTextFrame *currentFrame() const;

    void insertFragment(const QTextDocumentFragment &fragment);

#ifndef QT_NO_TEXTHTMLPARSER
    void insertHtml(const QString &html);
#endif // QT_NO_TEXTHTMLPARSER

    void insertImage(const QTextImageFormat &format, QTextFrameFormat::Position alignment);
    void insertImage(const QTextImageFormat &format);
    void insertImage(const QString &name);
    void insertImage(const QImage &image, const QString &name = QString());

    void beginEditBlock();
    void joinPreviousEditBlock();
    void endEditBlock();

    bool operator!=(const QTextCursor &rhs) const;
    bool operator<(const QTextCursor &rhs) const;
    bool operator<=(const QTextCursor &rhs) const;
    bool operator==(const QTextCursor &rhs) const;
    bool operator>=(const QTextCursor &rhs) const;
    bool operator>(const QTextCursor &rhs) const;

    bool isCopyOf(const QTextCursor &other) const;

    int blockNumber() const;
    int columnNumber() const;

    QTextDocument *document() const;

private:
    QSharedDataPointer<QTextCursorPrivate> d;
    friend class QTextCursorPrivate;
    friend class QTextDocumentFragmentPrivate;
    friend class QTextCopyHelper;
    friend class QWidgetTextControlPrivate;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QTEXTCURSOR_H