1 files changed, 91 insertions, 0 deletions

diff --git a/framework/src/viewhighlighter.cpp b/framework/src/viewhighlighter.cpp
new file mode 100644
index 00000000..553646f2
--- /dev/null
+++ b/framework/src/viewhighlighter.cpp
@@ -0,0 +1,91 @@
+/*
+    Copyright (c) 2018 Christian Mollekopf <mollekopf@kolabsys.com>
+
+    This library is free software; you can redistribute it and/or modify it
+    under the terms of the GNU Library General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    This library is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
+    License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to the
+    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+    02110-1301, USA.
+*/
+#include "viewhighlighter.h"
+
+#include <QQuickTextDocument>
+#include <QSyntaxHighlighter>
+#include <QRegularExpression>
+#include <QString>
+
+class SearchHighlighter : public QSyntaxHighlighter
+{
+    Q_OBJECT
+
+public:
+    SearchHighlighter(QTextDocument *parent = 0)
+        : QSyntaxHighlighter(parent)
+    {
+    }
+
+    void setSearchString(const QString &s)
+    {
+        mSearchString = s;
+        rehighlight();
+    }
+
+protected:
+    void highlightBlock(const QString &text) override
+    {
+        if (!mSearchString.isEmpty()) {
+            QTextCharFormat format;
+            format.setFontWeight(QFont::Bold);
+            format.setBackground(QColor{"#f67400"});
+
+            QRegularExpression expression(mSearchString, QRegularExpression::CaseInsensitiveOption);
+            auto i = expression.globalMatch(text);
+            while (i.hasNext()) {
+                auto match = i.next();
+                setFormat(match.capturedStart(), match.capturedLength(), format);
+            }
+        }
+
+    }
+
+private:
+    QString mSearchString;
+};
+
+struct ViewHighlighter::Private {
+    SearchHighlighter *searchHighligher;
+
+};
+
+
+ViewHighlighter::ViewHighlighter(QObject *parent)
+    : QObject(parent),
+    d{new Private}
+{
+
+}
+
+void ViewHighlighter::setTextDocument(QQuickTextDocument *document)
+{
+    if (document) {
+        d->searchHighligher = new SearchHighlighter{document->textDocument()};
+    }
+}
+
+void ViewHighlighter::setSearchString(const QString &s)
+{
+    if (d->searchHighligher) {
+        d->searchHighligher->setSearchString(s);
+    }
+}
+
+#include "viewhighlighter.moc"