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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtWidgets>
class Notepad : public QWidget
{
Q_OBJECT
public:
Notepad();
private slots:
void quit();
private:
QTextEdit *textEdit;
QPushButton *quitButton;
};
Notepad::Notepad()
{
textEdit = new QTextEdit;
quitButton = new QPushButton(tr("Quit"));
connect(quitButton, &QPushButton::clicked,
this, &Notepad::quit);
QVBoxLayout *layout = new QVBoxLayout;
layout->addWidget(textEdit);
layout->addWidget(quitButton);
setLayout(layout);
setWindowTitle(tr("Notepad"));
}
void Notepad::quit()
{
QMessageBox messageBox;
messageBox.setWindowTitle(tr("Notepad"));
messageBox.setText(tr("Do you really want to quit?"));
messageBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
messageBox.setDefaultButton(QMessageBox::No);
if (messageBox.exec() == QMessageBox::Yes)
qApp->quit();
}
int main(int argc, char **argv)
{
QApplication app(argc, argv);
Notepad notepad;
notepad.show();
return app.exec();
}
#include "main.moc"
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