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main.cpp Example File
itemviews/stardelegate/main.cpp

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 #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,
                        qVariantFromValue(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);
     tableWidget.show();

     return app.exec();
 }


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Qt 4.3.5