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39
40#ifndef QTEXTCURSOR_P_H
41#define QTEXTCURSOR_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of other Qt classes. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtGui/private/qtguiglobal_p.h>
55#include "qtextcursor.h"
56#include "qtextdocument.h"
57#include "qtextdocument_p.h"
58#include <private/qtextformat_p.h>
59#include "qtextobject.h"
60
61QT_BEGIN_NAMESPACE
62
63class Q_GUI_EXPORT QTextCursorPrivate : public QSharedData
64{
65public:
66 QTextCursorPrivate(QTextDocumentPrivate *p);
67 QTextCursorPrivate(const QTextCursorPrivate &rhs);
68 ~QTextCursorPrivate();
69
70 static inline QTextCursorPrivate *getPrivate(QTextCursor *c) { return c->d; }
71
72 enum AdjustResult { CursorMoved, CursorUnchanged };
73 AdjustResult adjustPosition(int positionOfChange, int charsAddedOrRemoved, QTextUndoCommand::Operation op);
74
75 void adjustCursor(QTextCursor::MoveOperation m);
76
77 void remove();
78 void clearCells(QTextTable *table, int startRow, int startCol, int numRows, int numCols, QTextUndoCommand::Operation op);
79 inline bool setPosition(int newPosition) {
80 Q_ASSERT(newPosition >= 0 && newPosition < priv->length());
81 bool moved = position != newPosition;
82 if (moved) {
83 position = newPosition;
84 currentCharFormat = -1;
85 }
86 return moved;
87 }
88 void setX();
89 bool canDelete(int pos) const;
90
91 void insertBlock(const QTextBlockFormat &format, const QTextCharFormat &charFormat);
92 bool movePosition(QTextCursor::MoveOperation op, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);
93
94 inline QTextBlock block() const
95 { return QTextBlock(priv, priv->blockMap().findNode(k: position)); }
96 inline QTextBlockFormat blockFormat() const
97 { return block().blockFormat(); }
98
99 QTextLayout *blockLayout(QTextBlock &block) const;
100
101 QTextTable *complexSelectionTable() const;
102 void selectedTableCells(int *firstRow, int *numRows, int *firstColumn, int *numColumns) const;
103
104 void setBlockCharFormat(const QTextCharFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
105 void setBlockFormat(const QTextBlockFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
106 void setCharFormat(const QTextCharFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
107
108 void aboutToRemoveCell(int from, int to);
109
110 static QTextCursor fromPosition(QTextDocumentPrivate *d, int pos)
111 { return QTextCursor(d, pos); }
112
113 QTextDocumentPrivate *priv;
114 qreal x;
115 int position;
116 int anchor;
117 int adjusted_anchor;
118 int currentCharFormat;
119 uint visualNavigation : 1;
120 uint keepPositionOnInsert : 1;
121 uint changed : 1;
122};
123
124QT_END_NAMESPACE
125
126#endif // QTEXTCURSOR_P_H
127

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