main.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QApplication>
#include <QTextEdit>
 
QString tr(const char *text)
{
    return QApplication::translate(text, text);
}
 
int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    QTextEdit *editor = new QTextEdit();
 
    QTextCursor cursor(editor->textCursor());
    cursor.movePosition(QTextCursor::Start);
 
    QTextCharFormat plainFormat(cursor.charFormat());
    QTextCharFormat colorFormat = plainFormat;
    colorFormat.setForeground(Qt::red);
 
    cursor.insertText(tr("Text can be displayed in a variety of "
                                  "different character "
                                  "formats. "), plainFormat);
    cursor.insertText(tr("We can emphasize text by making it "));
    cursor.insertText(tr("italic, give it a different color "));
    cursor.insertText(tr("to the default text color, underline it, "));
    cursor.insertText(tr("and use many other effects."));
 
    QString searchString = tr("text");
 
    QTextDocument *document = editor->document();
    QTextCursor newCursor(document);
 
    while (!newCursor.isNull() && !newCursor.atEnd()) {
        newCursor = document->find(searchString, newCursor);
 
        if (!newCursor.isNull()) {
            newCursor.movePosition(QTextCursor::WordRight,
                                   QTextCursor::KeepAnchor);
 
            newCursor.mergeCharFormat(colorFormat);
        }
    }
 
    editor->setWindowTitle(tr("Text Document Find"));
    editor->resize(320, 480);
    editor->show();
    return app.exec();
}