1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QTEXTCURSOR_P_H
5#define QTEXTCURSOR_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists for the convenience
12// of other Qt classes. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtGui/private/qtguiglobal_p.h>
19#include "qtextcursor.h"
20#include "qtextdocument.h"
21#include "qtextdocument_p.h"
22#include <private/qtextformat_p.h>
23#include "qtextobject.h"
24
25QT_BEGIN_NAMESPACE
26
27class Q_GUI_EXPORT QTextCursorPrivate : public QSharedData
28{
29public:
30 QTextCursorPrivate(QTextDocumentPrivate *p);
31 QTextCursorPrivate(const QTextCursorPrivate &rhs);
32 ~QTextCursorPrivate();
33
34 static inline QTextCursorPrivate *getPrivate(QTextCursor *c) { return c->d; }
35
36 enum AdjustResult { CursorMoved, CursorUnchanged };
37 AdjustResult adjustPosition(int positionOfChange, int charsAddedOrRemoved, QTextUndoCommand::Operation op);
38
39 void adjustCursor(QTextCursor::MoveOperation m);
40
41 void remove();
42 void clearCells(QTextTable *table, int startRow, int startCol, int numRows, int numCols, QTextUndoCommand::Operation op);
43 inline bool setPosition(int newPosition) {
44 Q_ASSERT(newPosition >= 0 && newPosition < priv->length());
45 bool moved = position != newPosition;
46 if (moved) {
47 position = newPosition;
48 currentCharFormat = -1;
49 }
50 return moved;
51 }
52 void setX();
53 bool canDelete(int pos) const;
54
55 void insertBlock(const QTextBlockFormat &format, const QTextCharFormat &charFormat);
56 bool movePosition(QTextCursor::MoveOperation op, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);
57
58 inline QTextBlock block() const
59 { return QTextBlock(priv, priv->blockMap().findNode(k: position)); }
60 inline QTextBlockFormat blockFormat() const
61 { return block().blockFormat(); }
62
63 QTextLayout *blockLayout(QTextBlock &block) const;
64
65 QTextTable *complexSelectionTable() const;
66 void selectedTableCells(int *firstRow, int *numRows, int *firstColumn, int *numColumns) const;
67
68 void setBlockCharFormat(const QTextCharFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
69 void setBlockFormat(const QTextBlockFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
70 void setCharFormat(const QTextCharFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
71
72 void aboutToRemoveCell(int from, int to);
73
74 static QTextCursor fromPosition(QTextDocumentPrivate *d, int pos)
75 { return QTextCursor(d, pos); }
76
77 QTextDocumentPrivate *priv;
78 qreal x;
79 int position;
80 int anchor;
81 int adjusted_anchor;
82 int currentCharFormat;
83 uint visualNavigation : 1;
84 uint keepPositionOnInsert : 1;
85 uint changed : 1;
86};
87
88QT_END_NAMESPACE
89
90#endif // QTEXTCURSOR_P_H
91

source code of qtbase/src/gui/text/qtextcursor_p.h