Method pauseAndLockVM

pcsx2-qt/MainWindow.cpp:3748–3810

}

MainWindow::VMLock MainWindow::pauseAndLockVM()
{
	// To switch out of fullscreen when displaying a popup, or not to?
	// For Windows, with driver's direct scanout, what renders behind tends to be hit and miss.
	// We can't draw anything over exclusive fullscreen, so get out of it in that case.
	// Wayland's a pain as usual, we need to recreate the window, which means there'll be a brief
	// period when there's no window, and Qt might shut us down. So avoid it there.
	// On MacOS, it forces a workspace switch, which is kinda jarring.
#ifndef __APPLE__
	const bool was_fullscreen = g_emu_thread->isFullscreen();
#else
	const bool was_fullscreen = false;
#endif
	const bool was_paused = s_vm_paused;

	if (!was_paused)
		g_emu_thread->setVMPaused(true);

	// We need to switch out of exclusive fullscreen before we can display our popup.
	// However, we do not want to switch back to render-to-main, the window might have generated this event.
	if (was_fullscreen)
	{
		// m_is_temporarily_windowed needs to be set, so that we don't show the main window just for this popup.
		pxAssertRel(!g_main_window->m_is_temporarily_windowed, "Not already temporarily windowed");
		g_main_window->m_is_temporarily_windowed = true;

		g_emu_thread->setFullscreen(false, false);

		// Process events untill both EmuThread and Qt have finished exiting fullscreen
		while (QtHost::IsVMValid() && (g_emu_thread->isFullscreen() || m_display_surface->isFullScreen()))
		{
			QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
		}
	}

	// Ensure main window is visible.
	if (!g_main_window->isVisible())
		g_main_window->show();
	g_main_window->raise();
	g_main_window->activateWindow();

#ifdef DISPLAY_SURFACE_WINDOW
	if (!m_display_container)
	{
		// Create a temporary parent for the dialog.
		QWidget* dialog_parent = new QWidget();
		dialog_parent->setAttribute(Qt::WA_NativeWindow);
		QWindow* window_handle = dialog_parent->windowHandle();

		// Set the transient parent to the display surface.
		// This will position the dialog_parent over the display surface (and thus so will any dialogs)
		// and also enforces the focus lock of modal dialogs against the display surface.
		// This works even without showing the dialog_parent window.
		window_handle->setTransientParent(m_display_surface);

		return VMLock(dialog_parent, was_paused, was_fullscreen, true);
	}
	else