Qt 5.6 | Qt Widgets | Star Delegate Example | main.cpp Example File

Qt 5.6.2 Reference Documentation

# main.cpp Example File

itemviews/stardelegate/main.cpp

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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();
      }