1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://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 https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://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 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 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 61 QT_BEGIN_NAMESPACE 62 63 class Q_GUI_EXPORT QTextCursorPrivate : public QSharedData 64 { 65 public: 66 QTextCursorPrivate(QTextDocumentPrivate *p); 67 QTextCursorPrivate(const QTextCursorPrivate &rhs); 68 ~QTextCursorPrivate(); 69 getPrivate(QTextCursor * c)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); setPosition(int newPosition)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 block()94 inline QTextBlock block() const 95 { return QTextBlock(priv, priv->blockMap().findNode(position)); } blockFormat()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 fromPosition(QTextDocumentPrivate * d,int pos)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 }; 123 124 QT_END_NAMESPACE 125 126 #endif // QTEXTCURSOR_P_H 127