Qt 4.8: mainwindow.cpp Example File (tools/i18n/mainwindow.cpp)

Qt Reference Documentation

- Qt 4.8
- ALL VERSIONS

- A
- A
- A
- Print

# mainwindow.cpp Example File

tools/i18n/mainwindow.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** 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 Digia Plc 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 <QtGui>

     #include "mainwindow.h"

     static const char * const listEntries[] = {
         QT_TRANSLATE_NOOP("MainWindow", "First"),
         QT_TRANSLATE_NOOP("MainWindow", "Second"),
         QT_TRANSLATE_NOOP("MainWindow", "Third"),
         0
     };

     MainWindow::MainWindow()
     {
         centralWidget = new QWidget;
         setCentralWidget(centralWidget);

         createGroupBox();

         listWidget = new QListWidget;
         for (int i = 0; listEntries[i]; ++i)
             listWidget->addItem(tr(listEntries[i]));

         QVBoxLayout *mainLayout = new QVBoxLayout;
         mainLayout->addWidget(groupBox);
         mainLayout->addWidget(listWidget);
         centralWidget->setLayout(mainLayout);

         exitAction = new QAction(tr("E&xit"), this);
         connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit()));

         fileMenu = menuBar()->addMenu(tr("&File"));
         fileMenu->setPalette(QPalette(Qt::red));
         fileMenu->addAction(exitAction);

         setWindowTitle(tr("Language: %1").arg(tr("English")));
         statusBar()->showMessage(tr("Internationalization Example"));

         if (tr("LTR") == "RTL")
             setLayoutDirection(Qt::RightToLeft);
     }

     void MainWindow::createGroupBox()
     {
         groupBox = new QGroupBox(tr("View"));
         perspectiveRadioButton = new QRadioButton(tr("Perspective"));
         isometricRadioButton = new QRadioButton(tr("Isometric"));
         obliqueRadioButton = new QRadioButton(tr("Oblique"));
         perspectiveRadioButton->setChecked(true);

         QVBoxLayout *groupBoxLayout = new QVBoxLayout;
         groupBoxLayout->addWidget(perspectiveRadioButton);
         groupBoxLayout->addWidget(isometricRadioButton);
         groupBoxLayout->addWidget(obliqueRadioButton);
         groupBox->setLayout(groupBoxLayout);
     }