| 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 QSYNTAXHIGHLIGHTER_H |
| 5 | #define QSYNTAXHIGHLIGHTER_H |
| 6 | |
| 7 | #include <QtGui/qtguiglobal.h> |
| 8 | |
| 9 | #ifndef QT_NO_SYNTAXHIGHLIGHTER |
| 10 | |
| 11 | #include <QtCore/qobject.h> |
| 12 | #include <QtGui/qtextobject.h> |
| 13 | |
| 14 | QT_BEGIN_NAMESPACE |
| 15 | |
| 16 | |
| 17 | class QTextDocument; |
| 18 | class QSyntaxHighlighterPrivate; |
| 19 | class QTextCharFormat; |
| 20 | class QFont; |
| 21 | class QColor; |
| 22 | class QTextBlockUserData; |
| 23 | |
| 24 | class Q_GUI_EXPORT QSyntaxHighlighter : public QObject |
| 25 | { |
| 26 | Q_OBJECT |
| 27 | Q_DECLARE_PRIVATE(QSyntaxHighlighter) |
| 28 | public: |
| 29 | explicit QSyntaxHighlighter(QObject *parent); |
| 30 | explicit QSyntaxHighlighter(QTextDocument *parent); |
| 31 | ~QSyntaxHighlighter(); |
| 32 | |
| 33 | void setDocument(QTextDocument *doc); |
| 34 | QTextDocument *document() const; |
| 35 | |
| 36 | public Q_SLOTS: |
| 37 | void rehighlight(); |
| 38 | void rehighlightBlock(const QTextBlock &block); |
| 39 | |
| 40 | protected: |
| 41 | virtual void highlightBlock(const QString &text) = 0; |
| 42 | |
| 43 | void setFormat(int start, int count, const QTextCharFormat &format); |
| 44 | void setFormat(int start, int count, const QColor &color); |
| 45 | void setFormat(int start, int count, const QFont &font); |
| 46 | QTextCharFormat format(int pos) const; |
| 47 | |
| 48 | int previousBlockState() const; |
| 49 | int currentBlockState() const; |
| 50 | void setCurrentBlockState(int newState); |
| 51 | |
| 52 | void setCurrentBlockUserData(QTextBlockUserData *data); |
| 53 | QTextBlockUserData *currentBlockUserData() const; |
| 54 | |
| 55 | QTextBlock currentBlock() const; |
| 56 | |
| 57 | private: |
| 58 | Q_DISABLE_COPY(QSyntaxHighlighter) |
| 59 | Q_PRIVATE_SLOT(d_func(), void _q_reformatBlocks(int from, int charsRemoved, int charsAdded)) |
| 60 | Q_PRIVATE_SLOT(d_func(), void _q_delayedRehighlight()) |
| 61 | }; |
| 62 | |
| 63 | QT_END_NAMESPACE |
| 64 | |
| 65 | #endif // QT_NO_SYNTAXHIGHLIGHTER |
| 66 | |
| 67 | #endif // QSYNTAXHIGHLIGHTER_H |
| 68 | |