1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtGui module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef QTEXTCURSOR_P_H 43 #define QTEXTCURSOR_P_H 44 45 // 46 // W A R N I N G 47 // ------------- 48 // 49 // This file is not part of the Qt API. It exists for the convenience 50 // of other Qt classes. This header file may change from version to 51 // version without notice, or even be removed. 52 // 53 // We mean it. 54 // 55 56 #include "qtextcursor.h" 57 #include "qtextdocument.h" 58 #include "qtextdocument_p.h" 59 #include <private/qtextformat_p.h> 60 #include "qtextobject.h" 61 62 QT_BEGIN_NAMESPACE 63 64 class QTextCursorPrivate : public QSharedData 65 { 66 public: 67 QTextCursorPrivate(QTextDocumentPrivate *p); 68 QTextCursorPrivate(const QTextCursorPrivate &rhs); 69 ~QTextCursorPrivate(); 70 71 enum AdjustResult { CursorMoved, CursorUnchanged }; 72 AdjustResult adjustPosition(int positionOfChange, int charsAddedOrRemoved, QTextUndoCommand::Operation op); 73 74 void adjustCursor(QTextCursor::MoveOperation m); 75 76 void remove(); 77 void clearCells(QTextTable *table, int startRow, int startCol, int numRows, int numCols, QTextUndoCommand::Operation op); setPosition(int newPosition)78 inline bool setPosition(int newPosition) { 79 Q_ASSERT(newPosition >= 0 && newPosition < priv->length()); 80 bool moved = position != newPosition; 81 if (moved) { 82 position = newPosition; 83 currentCharFormat = -1; 84 } 85 return moved; 86 } 87 void setX(); 88 bool canDelete(int pos) const; 89 90 void insertBlock(const QTextBlockFormat &format, const QTextCharFormat &charFormat); 91 bool movePosition(QTextCursor::MoveOperation op, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor); 92 block()93 inline QTextBlock block() const 94 { return QTextBlock(priv, priv->blockMap().findNode(position)); } blockFormat()95 inline QTextBlockFormat blockFormat() const 96 { return block().blockFormat(); } 97 98 QTextLayout *blockLayout(QTextBlock &block) const; 99 100 QTextTable *complexSelectionTable() const; 101 void selectedTableCells(int *firstRow, int *numRows, int *firstColumn, int *numColumns) const; 102 103 void setBlockCharFormat(const QTextCharFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode); 104 void setBlockFormat(const QTextBlockFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode); 105 void setCharFormat(const QTextCharFormat &format, QTextDocumentPrivate::FormatChangeMode changeMode); 106 107 void aboutToRemoveCell(int from, int to); 108 109 QTextDocumentPrivate *priv; 110 qreal x; 111 int position; 112 int anchor; 113 int adjusted_anchor; 114 int currentCharFormat; 115 uint visualNavigation : 1; 116 uint keepPositionOnInsert : 1; 117 uint changed : 1; 118 }; 119 120 QT_END_NAMESPACE 121 122 #endif // QTEXTCURSOR_P_H 123