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qt-creator/doc/example/textfinder/textfinder.cpp

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2008-12-02 12:01:29 +01:00
/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception version
** 1.2, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
#include <QtGui/QMessageBox>
#include <QtCore/QFile>
#include <QtCore/QTextStream>
#include "textfinder.h"
TextFinder::TextFinder(QWidget *parent, Qt::WFlags flags)
: QWidget(parent, flags)
{
ui.setupUi(this);
loadTextFile();
isFirstTime = true;
}
TextFinder::~TextFinder()
{
}
void TextFinder::loadTextFile()
{
QFile inputFile(":/input.txt");
inputFile.open(QIODevice::ReadOnly);
QTextStream in(&inputFile);
QString line = in.readAll();
inputFile.close();
ui.textEdit->setPlainText(line);
QTextCursor cursor = ui.textEdit->textCursor();
cursor.movePosition(QTextCursor::Start, QTextCursor::MoveAnchor, 1);
}
void TextFinder::on_findButton_clicked()
{
QString searchString = ui.lineEdit->text();
QTextDocument *document = ui.textEdit->document();
bool found = false;
ui.textEdit->find(searchString, QTextDocument::FindWholeWords);
QTextCursor cursor = ui.textEdit->textCursor();
if (!cursor.isNull())
found = true;
}