- Qt 5.5
- Qt Widgets
- Star Delegate Example
- main.cpp Example File
- Qt 5.5.1 Reference Documentation

# main.cpp Example File

itemviews/stardelegate/main.cpp

    /****************************************************************************
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    ** Copyright (C) 2015 The Qt Company Ltd.
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    ** This file is part of the examples of the Qt Toolkit.
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    #include <QtWidgets>

    #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);
        tableWidget.show();

        return app.exec();
    }