Qt 5.6 | Qt Widgets | Embedded Dialogs | main.cpp Example File

Qt 5.6.3 Reference Documentation

# main.cpp Example File

graphicsview/embeddeddialogs/main.cpp

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      #include "customproxy.h"
      #include "embeddeddialog.h"

      #include <QApplication>
      #include <QGraphicsScene>
      #include <QGraphicsView>

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

          QGraphicsScene scene;
          scene.setStickyFocus(true);
      #ifndef Q_OS_WINCE
          const int gridSize = 10;
      #else
          const int gridSize = 5;
      #endif

          for (int y = 0; y < gridSize; ++y) {
              for (int x = 0; x < gridSize; ++x) {
                  CustomProxy *proxy = new CustomProxy(0, Qt::Window);
                  proxy->setWidget(new EmbeddedDialog);

                  QRectF rect = proxy->boundingRect();

                  proxy->setPos(x * rect.width() * 1.05, y * rect.height() * 1.05);
                  proxy->setCacheMode(QGraphicsItem::DeviceCoordinateCache);

                  scene.addItem(proxy);
              }
          }
          scene.setSceneRect(scene.itemsBoundingRect());

          QGraphicsView view(&scene);
          view.scale(0.5, 0.5);
          view.setRenderHints(view.renderHints() | QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
          view.setBackgroundBrush(QPixmap(":/No-Ones-Laughing-3.jpg"));
          view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
          view.show();
          view.setWindowTitle("Embedded Dialogs Example");
          return app.exec();
      }