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39
40#ifndef QSYNTAXHIGHLIGHTER_H
41#define QSYNTAXHIGHLIGHTER_H
42
43#include <QtGui/qtguiglobal.h>
44
45#ifndef QT_NO_SYNTAXHIGHLIGHTER
46
47#include <QtCore/qobject.h>
48#include <QtGui/qtextobject.h>
49
50QT_BEGIN_NAMESPACE
51
52
53class QTextDocument;
54class QSyntaxHighlighterPrivate;
55class QTextCharFormat;
56class QFont;
57class QColor;
58class QTextBlockUserData;
59
60class Q_GUI_EXPORT QSyntaxHighlighter : public QObject
61{
62 Q_OBJECT
63 Q_DECLARE_PRIVATE(QSyntaxHighlighter)
64public:
65 explicit QSyntaxHighlighter(QObject *parent);
66 explicit QSyntaxHighlighter(QTextDocument *parent);
67 ~QSyntaxHighlighter();
68
69 void setDocument(QTextDocument *doc);
70 QTextDocument *document() const;
71
72public Q_SLOTS:
73 void rehighlight();
74 void rehighlightBlock(const QTextBlock &block);
75
76protected:
77 virtual void highlightBlock(const QString &text) = 0;
78
79 void setFormat(int start, int count, const QTextCharFormat &format);
80 void setFormat(int start, int count, const QColor &color);
81 void setFormat(int start, int count, const QFont &font);
82 QTextCharFormat format(int pos) const;
83
84 int previousBlockState() const;
85 int currentBlockState() const;
86 void setCurrentBlockState(int newState);
87
88 void setCurrentBlockUserData(QTextBlockUserData *data);
89 QTextBlockUserData *currentBlockUserData() const;
90
91 QTextBlock currentBlock() const;
92
93private:
94 Q_DISABLE_COPY(QSyntaxHighlighter)
95 Q_PRIVATE_SLOT(d_func(), void _q_reformatBlocks(int from, int charsRemoved, int charsAdded))
96 Q_PRIVATE_SLOT(d_func(), void _q_delayedRehighlight())
97};
98
99QT_END_NAMESPACE
100
101#endif // QT_NO_SYNTAXHIGHLIGHTER
102
103#endif // QSYNTAXHIGHLIGHTER_H
104

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