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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTEXTCURSOR_P_H
#define QTEXTCURSOR_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qtextcursor.h"
#include "qtextdocument.h"
#include "qtextdocument_p.h"
#include <private/qtextformat_p.h>
#include "qtextobject.h"
QT_BEGIN_NAMESPACE
class QTextCursorPrivate : public QSharedData
{
public:
QTextCursorPrivate(QTextDocumentPrivate *p);
QTextCursorPrivate(const QTextCursorPrivate &rhs);
~QTextCursorPrivate();
enum AdjustResult { CursorMoved, CursorUnchanged };
AdjustResult adjustPosition(int positionOfChange, int charsAddedOrRemoved, QTextUndoCommand::Operation op);
void adjustCursor(QTextCursor::MoveOperation m);
void remove();
void clearCells(QTextTable *table, int startRow, int startCol, int numRows, int numCols, QTextUndoCommand::Operation op);
inline bool setPosition(int newPosition) {
Q_ASSERT(newPosition >= 0 && newPosition < priv->length());
bool moved = position != newPosition;
if (moved) {
position = newPosition;
currentCharFormat = -1;
}
return moved;
}
void setX();
bool canDelete(int pos) const;
void insertBlock(const QTextBlockFormat &format, const QTextCharFormat &charFormat);
bool movePosition(QTextCursor::MoveOperation op, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);
inline QTextBlock block() const
{ return QTextBlock(priv, priv->blockMap().findNode(position)); }
inline QTextBlockFormat blockFormat() const
{ return block().blockFormat(); }
QTextLayout *blockLayout(QTextBlock &block) const;
QTextTable *complexSelectionTable() const;
void selectedTableCells(int *firstRow, int *numRows, int *firstColumn, int *numColumns) const;
void setBlockCharFormat(const QTextCharFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
void setBlockFormat(const QTextBlockFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
void setCharFormat(const QTextCharFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode);
void aboutToRemoveCell(int from, int to);
QTextDocumentPrivate *priv;
qreal x;
int position;
int anchor;
int adjusted_anchor;
int currentCharFormat;
uint visualNavigation : 1;
uint keepPositionOnInsert : 1;
uint changed : 1;
};
QT_END_NAMESPACE
#endif // QTEXTCURSOR_P_H
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