7f2c22e891
Change-Id: I12795439de71a41728f98b3d3438324664b27a0f Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>
135 lines
4.0 KiB
C++
135 lines
4.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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class Notepad : public QMainWindow
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{
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Q_OBJECT
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public:
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Notepad();
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private slots:
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void open();
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void save();
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private:
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QTextEdit *textEdit;
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QAction *openAction;
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QAction *saveAction;
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QAction *exitAction;
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QMenu *fileMenu;
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};
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Notepad::Notepad()
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{
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openAction = new QAction(tr("&Load"), this);
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saveAction = new QAction(tr("&Save"), this);
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exitAction = new QAction(tr("E&xit"), this);
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connect(openAction, SIGNAL(triggered()), this, SLOT(open()));
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connect(saveAction, SIGNAL(triggered()), this, SLOT(save()));
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connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
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fileMenu = menuBar()->addMenu(tr("&File"));
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fileMenu->addAction(openAction);
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fileMenu->addAction(saveAction);
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fileMenu->addSeparator();
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fileMenu->addAction(exitAction);
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textEdit = new QTextEdit;
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setCentralWidget(textEdit);
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setWindowTitle(tr("Notepad"));
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}
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void Notepad::open()
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{
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QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"), "",
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tr("Text Files (*.txt);;C++ Files (*.cpp *.h)"));
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if (fileName != "") {
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QFile file(fileName);
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if (!file.open(QIODevice::ReadOnly)) {
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QMessageBox::critical(this, tr("Error"), tr("Could not open file"));
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return;
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}
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QTextStream in(&file);
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textEdit->setText(in.readAll());
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file.close();
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}
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}
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void Notepad::save()
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{
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QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"), "",
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tr("Text Files (*.txt);;C++ Files (*.cpp *.h)"));
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if (fileName != "") {
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QFile file(fileName);
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if (!file.open(QIODevice::WriteOnly)) {
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// error message
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} else {
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QTextStream stream(&file);
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stream << textEdit->toPlainText();
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stream.flush();
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file.close();
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}
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}
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}
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int main(int argc, char **argv)
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{
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QApplication app(argc, argv);
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Notepad notepad;
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notepad.show();
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return app.exec();
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}
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#include "main.moc"
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