/******************************************************************************** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the documentation of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** GNU Lesser General Public License Usage** Alternatively, this file may be used under the terms of the GNU Lesser** General Public License version 2.1 as published by the Free Software** Foundation and appearing in the file LICENSE.LGPL included in the** packaging of this file. Please review the following information to** ensure the GNU Lesser General Public License version 2.1 requirements** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.**** In addition, as a special exception, Nokia gives you certain additional** rights. These rights are described in the Nokia Qt LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#include <QtGui>void mainWindowExample(){ QMdiArea *mdiArea = new QMdiArea;//! [0] QMainWindow *mainWindow = new QMainWindow; mainWindow->setCentralWidget(mdiArea);//! [0] mdiArea->addSubWindow(new QPushButton("Push Me Now!")); mainWindow->show();}void addingSubWindowsExample(){ QWidget *internalWidget1 = new QWidget; QWidget *internalWidget2 = new QWidget;//! [1] QMdiArea mdiArea; QMdiSubWindow *subWindow1 = new QMdiSubWindow; subWindow1->setWidget(internalWidget1); subWindow1->setAttribute(Qt::WA_DeleteOnClose); mdiArea.addSubWindow(subWindow1); QMdiSubWindow *subWindow2 = mdiArea.addSubWindow(internalWidget2);//! [1] subWindow1->show(); subWindow2->show(); mdiArea.show();}int main(int argv, char **args){ QApplication app(argv, args); mainWindowExample(); //addingSubWindowsExample(); QAction *act = new QAction(qApp); act->setShortcut(Qt::ALT + Qt::Key_S); act->setShortcutContext( Qt::ApplicationShortcut ); QObject::connect(act, SIGNAL(triggered()), qApp, SLOT(aboutQt())); QWidget widget5; widget5.show(); widget5.addAction(act); return app.exec();}