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main.cpp Example File
itemviews/spinboxdelegate/main.cpp

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 /*
   main.cpp

   A simple example that shows how a view can use a custom delegate to edit
   data obtained from a model.
 */

 #include <QApplication>
 #include <QHeaderView>
 #include <QItemSelectionModel>
 #include <QStandardItemModel>
 #include <QTableView>

 #include "delegate.h"

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

     QStandardItemModel model(4, 2);
     QTableView tableView;
     tableView.setModel(&model);

     SpinBoxDelegate delegate;
     tableView.setItemDelegate(&delegate);

     tableView.horizontalHeader()->setStretchLastSection(true);

     for (int row = 0; row < 4; ++row) {
         for (int column = 0; column < 2; ++column) {
             QModelIndex index = model.index(row, column, QModelIndex());
             model.setData(index, QVariant((row+1) * (column+1)));
         }
     }

     tableView.setWindowTitle(QObject::tr("Spin Box Delegate"));
     tableView.show();
     return app.exec();
 }