Method toggleFullscreen

source/MainWindow.cpp:4430–4440

void MainWindow::toggleFullscreen() {
    bool goingFullscreen = !isFullScreen();
    if (goingFullscreen) {
        showFullScreen();
    } else {
        showNormal();
    }
    if (m_navigationBar) {
        m_navigationBar->setFullscreenChecked(goingFullscreen);
    }
}

void MainWindow::showJumpToPageDialog() {
    DocumentViewport* vp = currentViewport();