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86342f6bc6
I am thinking there should be a KSyntaxCollection class or something Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
60 lines
2.3 KiB
C++
60 lines
2.3 KiB
C++
/* This file is part of the KDE project
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Copyright (C) 2023 Ivailo Monev <xakepa10@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2, as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "kdiffhighlighter.h"
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#include <kcolorscheme.h>
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#include <kcolorutils.h>
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#include <kdebug.h>
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// NOTE: kate does this
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static QColor adaptColor(const qreal foregroundluma, const qreal backgroundluma, const QColor &foregroundcolor, const QColor &color)
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{
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if (foregroundluma > backgroundluma) {
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return KColorUtils::tint(foregroundcolor, color, 0.5);
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}
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return color;
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}
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KDiffHighlighter::KDiffHighlighter(QTextEdit *parent)
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: QSyntaxHighlighter(parent)
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{
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const KColorScheme kcolorscheme = KColorScheme(QPalette::Active, KColorScheme::View);
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const QColor foregroundcolor = kcolorscheme.foreground().color();
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const qreal foregroundluma = KColorUtils::luma(foregroundcolor);
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const qreal backgroundluma = KColorUtils::luma(kcolorscheme.background().color());
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const QColor oldcolor = QColor(QString::fromLatin1("#FF0000"));
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m_oldformat.setForeground(adaptColor(foregroundluma, backgroundluma, foregroundcolor, oldcolor));
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const QColor newcolor = QColor(QString::fromLatin1("#0000FF"));
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m_newformat.setForeground(adaptColor(foregroundluma, backgroundluma, foregroundcolor, newcolor));
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}
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void KDiffHighlighter::highlightBlock(const QString &text)
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{
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// qDebug() << Q_FUNC_INFO << text;
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if (text.startsWith(QLatin1Char('-'))) {
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setFormat(0, text.size(), m_oldformat);
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} else if (text.startsWith(QLatin1Char('+'))) {
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setFormat(0, text.size(), m_newformat);
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} else {
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setFormat(0, text.size(), QTextCharFormat());
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}
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}
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#include "moc_kdiffhighlighter.cpp"
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