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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "documenthighlighter.h"
#include <QtQuick/QQuickTextDocument>
Highlighter::Highlighter(QTextDocument *parent, int underlineTest)
: QSyntaxHighlighter(parent)
{
m_testRegex.setPattern("char");
}
void Highlighter::highlightBlock(const QString &text)
{
QTextCharFormat fmt;
if (m_style > 0)
fmt.setForeground(Qt::darkBlue);
fmt.setFontWeight(QFont::Bold);
switch (m_style) {
case 1:
fmt.setFontUnderline(true);
fmt.setUnderlineColor(QColor("cyan"));
break;
case 2:
fmt.setFontUnderline(true);
fmt.setUnderlineColor(QColor("red"));
// fmt.setUnderlineStyle(QTextCharFormat::WaveUnderline); // not supported yet: QTBUG-39617
break;
case 3:
fmt.setFontOverline(true);
fmt.setFontUnderline(true);
fmt.setUnderlineColor(QColor("green"));
fmt.setBackground(QColor("lightgreen"));
fmt.setForeground(Qt::magenta);
fmt.setFontItalic(true);
fmt.setFontStretch(200);
fmt.setFontPointSize(14);
fmt.setFontStyleHint(QFont::Decorative); // seems ignored in practice
break;
case 4:
fmt.setFontStrikeOut(true);
fmt.setUnderlineColor(QColor("orange"));
fmt.setFontCapitalization(QFont::Capitalization::SmallCaps);
break;
}
QRegularExpressionMatchIterator matchIterator = m_testRegex.globalMatch(text);
while (matchIterator.hasNext()) {
QRegularExpressionMatch match = matchIterator.next();
setFormat(match.capturedStart(), match.capturedLength(), fmt);
}
}
DocumentHighlighter::DocumentHighlighter(QObject *parent)
: QObject(parent) {}
void DocumentHighlighter::setDocument(QQuickTextDocument *document)
{
if (m_document == document)
return;
m_document = document;
m_highlighter.setDocument(m_document->textDocument());
m_highlighter.rehighlight();
emit documentChanged();
}
void DocumentHighlighter::setStyle(int style)
{
if (m_highlighter.m_style == style)
return;
m_highlighter.m_style = style;
m_highlighter.rehighlight();
emit styleChanged();
}
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