Qt Reference Documentation

main.cpp Example File

itemviews/stardelegate/main.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2013 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 "stardelegate.h"
 #include "stareditor.h"
 #include "starrating.h"

 void populateTableWidget(QTableWidget *tableWidget)
 {
     static const struct {
         const char *title;
         const char *genre;
         const char *artist;
         int rating;
     } staticData[] = {
         { "Mass in B-Minor", "Baroque", "J.S. Bach", 5 },
         { "Three More Foxes", "Jazz", "Maynard Ferguson", 4 },
         { "Sex Bomb", "Pop", "Tom Jones", 3 },
         { "Barbie Girl", "Pop", "Aqua", 5 },
         { 0, 0, 0, 0 }
     };

     for (int row = 0; staticData[row].title != 0; ++row) {
         QTableWidgetItem *item0 = new QTableWidgetItem(staticData[row].title);
         QTableWidgetItem *item1 = new QTableWidgetItem(staticData[row].genre);
         QTableWidgetItem *item2 = new QTableWidgetItem(staticData[row].artist);
         QTableWidgetItem *item3 = new QTableWidgetItem;
         item3->setData(0,
                        QVariant::fromValue(StarRating(staticData[row].rating)));

         tableWidget->setItem(row, 0, item0);
         tableWidget->setItem(row, 1, item1);
         tableWidget->setItem(row, 2, item2);
         tableWidget->setItem(row, 3, item3);
     }
 }

 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);

     QTableWidget tableWidget(4, 4);
     tableWidget.setItemDelegate(new StarDelegate);
     tableWidget.setEditTriggers(QAbstractItemView::DoubleClicked
                                 | QAbstractItemView::SelectedClicked);
     tableWidget.setSelectionBehavior(QAbstractItemView::SelectRows);

     QStringList headerLabels;
     headerLabels << "Title" << "Genre" << "Artist" << "Rating";
     tableWidget.setHorizontalHeaderLabels(headerLabels);

     populateTableWidget(&tableWidget);

     tableWidget.resizeColumnsToContents();
     tableWidget.resize(500, 300);
 #if defined(Q_OS_SYMBIAN)
     tableWidget.showMaximized();
 #else
     tableWidget.show();
 #endif

     return app.exec();
 }