detailsdialog.cpp Example File

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 #include <QtWidgets>

 #include "detailsdialog.h"

 DetailsDialog::DetailsDialog(const QString &title, QWidget *parent)
     : QDialog(parent)
 {
     nameLabel = new QLabel(tr("Name:"));
     addressLabel = new QLabel(tr("Address:"));
     addressLabel->setAlignment(Qt::AlignLeft | Qt::AlignTop);

     nameEdit = new QLineEdit;
     addressEdit = new QTextEdit;

     offersCheckBox = new QCheckBox(tr("Send information about products and "
                                       "special offers"));

     setupItemsTable();

     buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
                                      | QDialogButtonBox::Cancel);

     connect(buttonBox, SIGNAL(accepted()), this, SLOT(verify()));
     connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

     QGridLayout *mainLayout = new QGridLayout;
     mainLayout->addWidget(nameLabel, 0, 0);
     mainLayout->addWidget(nameEdit, 0, 1);
     mainLayout->addWidget(addressLabel, 1, 0);
     mainLayout->addWidget(addressEdit, 1, 1);
     mainLayout->addWidget(itemsTable, 0, 2, 2, 1);
     mainLayout->addWidget(offersCheckBox, 2, 1, 1, 2);
     mainLayout->addWidget(buttonBox, 3, 0, 1, 3);
     setLayout(mainLayout);

     setWindowTitle(title);
 }

 void DetailsDialog::setupItemsTable()
 {
     items << tr("T-shirt") << tr("Badge") << tr("Reference book")
           << tr("Coffee cup");

     itemsTable = new QTableWidget(items.count(), 2);

     for (int row = 0; row < items.count(); ++row) {
         QTableWidgetItem *name = new QTableWidgetItem(items[row]);
         name->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
         itemsTable->setItem(row, 0, name);
         QTableWidgetItem *quantity = new QTableWidgetItem("1");
         itemsTable->setItem(row, 1, quantity);
     }
 }

 QList<QPair<QString, int> > DetailsDialog::orderItems()
 {
     QList<QPair<QString, int> > orderList;

     for (int row = 0; row < items.count(); ++row) {
         QPair<QString, int> item;
         item.first = itemsTable->item(row, 0)->text();
         int quantity = itemsTable->item(row, 1)->data(Qt::DisplayRole).toInt();
         item.second = qMax(0, quantity);
         orderList.append(item);
     }

     return orderList;
 }

 QString DetailsDialog::senderName() const
 {
     return nameEdit->text();
 }

 QString DetailsDialog::senderAddress() const
 {
     return addressEdit->toPlainText();
 }

 bool DetailsDialog::sendOffers()
 {
     return offersCheckBox->isChecked();
 }

 void DetailsDialog::verify()
 {
     if (!nameEdit->text().isEmpty() && !addressEdit->toPlainText().isEmpty()) {
         accept();
         return;
     }

     QMessageBox::StandardButton answer;
     answer = QMessageBox::warning(this, tr("Incomplete Form"),
         tr("The form does not contain all the necessary information.\n"
            "Do you want to discard it?"),
         QMessageBox::Yes | QMessageBox::No);

     if (answer == QMessageBox::Yes)
         reject();
 }