window_manualupdate.cpp Example File

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#include "window_manualupdate.h" #include <QOpenGLContext> #include <Q3DSSurfaceViewer> #include <Q3DSPresentation> // Here the window implementation drives rendering by manually calling // Q3DSSurfaceViewer::update() as seen fit. // It also relies on the default of autoSize==true (meaning the rendering // is automatically following the QWindow size). ManualUpdateWindow::ManualUpdateWindow() { setSurfaceType(QSurface::OpenGLSurface); m_context = new QOpenGLContext(this); m_context->create(); } void ManualUpdateWindow::update() { if (isExposed() && m_viewer) { m_viewer->update(); // render continuously requestUpdate(); } } bool ManualUpdateWindow::event(QEvent *e) { if (e->type() == QEvent::Expose || e->type() == QEvent::UpdateRequest) update(); return QWindow::event(e); } void ManualUpdateWindow::keyPressEvent(QKeyEvent *e) { m_viewer->presentation()->keyPressEvent(e); } void ManualUpdateWindow::keyReleaseEvent(QKeyEvent *e) { m_viewer->presentation()->keyReleaseEvent(e); } void ManualUpdateWindow::mousePressEvent(QMouseEvent *e) { m_viewer->presentation()->mousePressEvent(e); } void ManualUpdateWindow::mouseMoveEvent(QMouseEvent *e) { // Moves must be forwarded even when no button is down; the // default QWindow behavior is just what we need in this respect. m_viewer->presentation()->mouseMoveEvent(e); } void ManualUpdateWindow::mouseReleaseEvent(QMouseEvent *e) { m_viewer->presentation()->mouseReleaseEvent(e); } void ManualUpdateWindow::mouseDoubleClickEvent(QMouseEvent *e) { m_viewer->presentation()->mouseDoubleClickEvent(e); } #if QT_CONFIG(wheelevent) void ManualUpdateWindow::wheelEvent(QWheelEvent *e) { m_viewer->presentation()->wheelEvent(e); } #endif

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