Method toggleHelpWindow

src/ImageViewer.cpp:2323–2336

}

void ImageViewer::toggleHelpWindow() {
    if (mHelpWindow) {
        mHelpWindow->dispose();
        mHelpWindow = nullptr;
        mHelpButton->set_pushed(false);
    } else {
        mHelpWindow = new HelpWindow{this, ipc(), [this] { toggleHelpWindow(); }};
        mHelpWindow->center();
        mHelpWindow->request_focus();
        mHelpButton->set_pushed(true);
    }

    requestLayoutUpdate();
}

void ImageViewer::toggleImageInfoWindow() {
    if (mImageInfoWindow) {