Qt 5.11 | Qt Widgets | Color Editor Factory Example | window.cpp Example File

Qt 5.11.3 Reference Documentation

# window.cpp Example File

itemviews/coloreditorfactory/window.cpp

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      #include <QtWidgets>

      #include "window.h"
      #include "colorlisteditor.h"

      Window::Window()
      {
          QItemEditorFactory *factory = new QItemEditorFactory;

          QItemEditorCreatorBase *colorListCreator =
              new QStandardItemEditorCreator<ColorListEditor>();

          factory->registerEditor(QVariant::Color, colorListCreator);

          QItemEditorFactory::setDefaultFactory(factory);

          createGUI();
      }

      void Window::createGUI()
      {
          QList<QPair<QString, QColor> > list;
          list << QPair<QString, QColor>(tr("Alice"), QColor("aliceblue")) <<
                  QPair<QString, QColor>(tr("Neptun"), QColor("aquamarine")) <<
                  QPair<QString, QColor>(tr("Ferdinand"), QColor("springgreen"));

          QTableWidget *table = new QTableWidget(3, 2);
          table->setHorizontalHeaderLabels(QStringList() << tr("Name")
                                                         << tr("Hair Color"));
          table->verticalHeader()->setVisible(false);
          table->resize(150, 50);

          for (int i = 0; i < 3; ++i) {
              QPair<QString, QColor> pair = list.at(i);

              QTableWidgetItem *nameItem = new QTableWidgetItem(pair.first);
              QTableWidgetItem *colorItem = new QTableWidgetItem;
              colorItem->setData(Qt::DisplayRole, pair.second);

              table->setItem(i, 0, nameItem);
              table->setItem(i, 1, colorItem);
          }
          table->resizeColumnToContents(0);
          table->horizontalHeader()->setStretchLastSection(true);

          QGridLayout *layout = new QGridLayout;
          layout->addWidget(table, 0, 0);

          setLayout(layout);

          setWindowTitle(tr("Color Editor Factory"));
      }