/**************************************************************************** ** ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor ** the names of its contributors may be used to endorse or promote ** products derived from this software without specific prior written ** permission. ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** $QT_END_LICENSE$ ** ****************************************************************************/ #include 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, SIGNAL(clicked()), this, SLOT(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 argv, char **args) { QApplication app(argv, args); Notepad notepad; notepad.show(); return app.exec(); } #include "main.moc"