main.cpp Example File | Runtime 2.1

Qt 3D Studio | Runtime | Qt 3D Studio Runtime: Simple Widget Example | main.cpp Example File

Qt 3D Studio Runtime 2.1 Manual

# main.cpp Example File

simplewidget/main.cpp

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      #include <QApplication>
      #include <QVBoxLayout>
      #include <QHBoxLayout>
      #include <QPushButton>
      #include <QFileDialog>
      #include <QMessageBox>
      #include <QUrl>

      #include <q3dsruntimeglobal.h>
      #include <Q3DSWidget>
      #include <Q3DSPresentation>

      int main(int argc, char *argv[])
      {
          QApplication app(argc, argv);
          QSurfaceFormat::setDefaultFormat(Q3DS::surfaceFormat());

          QWidget w;
          w.setWindowTitle(QLatin1String("Qt 3D Studio Widget Example"));
          QVBoxLayout *layout = new QVBoxLayout;
          w.setLayout(layout);

          QHBoxLayout *buttonLayout = new QHBoxLayout;
          layout->addLayout(buttonLayout);

          Q3DSWidget *w3DS = new Q3DSWidget;
          QObject::connect(w3DS, &Q3DSWidget::errorChanged, w3DS, [&w, w3DS] {
              const QString msg = w3DS->error();
              if (!msg.isEmpty())
                  QMessageBox::critical(&w, QLatin1String("Failed to load presentation"), msg, QLatin1String("Ok"));
          });

          w3DS->presentation()->setProfilingEnabled(true);
          w3DS->presentation()->setSource(QUrl(QLatin1String("qrc:/presentation/SampleProject.uia")));
          layout->addWidget(w3DS);

          QPushButton *openBtn = new QPushButton(QLatin1String("Open"));
          QObject::connect(openBtn, &QPushButton::clicked, w3DS, [&w, w3DS] {
              const char *filter = "All Supported Formats (*.uia *.uip);;"
                                   "Studio UI Presentation (*.uip);;"
                                   "Application File (*.uia);;"
                                   "All Files (*)";
              const QString fn = QFileDialog::getOpenFileName(&w, QLatin1String("Open"), QString(),
                                                              QString::fromLatin1(filter));
              if (!fn.isEmpty())
                  w3DS->presentation()->setSource(QUrl::fromLocalFile(fn));
          });
          buttonLayout->addWidget(openBtn);
          QPushButton *reloadBtn = new QPushButton(QLatin1String("Reload"));
          QObject::connect(reloadBtn, &QPushButton::clicked, w3DS, [w3DS] { w3DS->presentation()->reload(); });
          buttonLayout->addWidget(reloadBtn);
          QPushButton *profBtn = new QPushButton(QLatin1String("Toggle profile UI"));
          QObject::connect(profBtn, &QPushButton::clicked, w3DS, [w3DS] {
              w3DS->presentation()->setProfileUiVisible(!w3DS->presentation()->isProfileUiVisible());
          });
          buttonLayout->addWidget(profBtn);

          w.resize(1024, 768);
          w.show();

          return app.exec();
      }