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mainwindow.cpp Example File
^{linguist/trollprint/mainwindow.cpp}

    /****************************************************************************
    **
    ** Copyright (C) 2005-2006 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 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.trolltech.com/products/qt/opensource.html
    **
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://www.trolltech.com/products/qt/licensing.html or contact the
    ** sales department at sales@trolltech.com.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ****************************************************************************/

    #include <QtGui>

    #include "mainwindow.h"
    #include "printpanel.h"

    MainWindow::MainWindow()
    {
        printPanel = new PrintPanel;
        setCentralWidget(printPanel);

        createActions();
        createMenus();

        setWindowTitle(tr("Troll Print 1.0"));
    }

    void MainWindow::about()
    {
        QMessageBox::information(this, tr("About Troll Print 1.0"),
                       tr("Troll Print 1.0.\n\n"
                          "Copyright 1999 Software, Inc."));
    }

    void MainWindow::createActions()
    {
        exitAct = new QAction(tr("E&xit"), this);
        exitAct->setShortcut(tr("Ctrl+Q", "Quit"));
        connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));

        aboutAct = new QAction(tr("&About"), this);
        aboutAct->setShortcut(Qt::Key_F1);
        connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));

        aboutQtAct = new QAction(tr("About &Qt"), this);
        connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
    }

    void MainWindow::createMenus()
    {
        QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
        fileMenu->addAction(exitAct);

        menuBar()->addSeparator();

        QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
        helpMenu->addAction(aboutAct);
        helpMenu->addAction(aboutQtAct);
    }