Qt Reference Documentation

mainwindow.cpp Example File

tools/i18n/mainwindow.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2015 The Qt Company Ltd.
 ** Contact: http://www.qt.io/licensing/
 **
 ** 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 The Qt Company Ltd 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);
 }