Method setContinuousScrollImpl

YACReader/viewer.cpp:1274–1314

}

void Viewer::setContinuousScrollImpl(bool enabled, bool persistSettings)
{
    if (continuousScroll == enabled) {
        return;
    }

    continuousScroll = enabled;
    if (persistSettings) {
        Configuration::getConfiguration().setContinuousScroll(continuousScroll);
    }

    if (continuousScroll) {
        continuousViewModel->setZoomFactor(zoom);
        if (render->hasLoadedComic()) {
            continuousViewModel->setViewportSize(viewport()->width(), viewport()->height());
            continuousViewModel->setNumPages(render->numPages());
            continuousPageProvider->setNumPages(render->numPages());
            continuousPageProvider->setRotation(continuousRotation);
            lastCenterPage = render->getIndex();
            continuousViewModel->setAnchorPage(lastCenterPage);
            continuousPageProvider->requestRange(lastCenterPage - 2, lastCenterPage + 4);
            setActiveWidget(continuousWidget);
            scrollToCurrentContinuousPage();
            continuousWidget->update();
            viewport()->update();
        }
    } else {
        // Leaving continuous mode: bring Render to the reading position so
        // single-page mode shows the page the user was on.
        if (render->hasLoadedComic() && lastCenterPage >= 0) {
            const int page = qBound(0, lastCenterPage, static_cast<int>(render->numPages()) - 1);
            if (static_cast<int>(render->getIndex()) != page) {
                render->goTo(page);
            }
        }
        lastCenterPage = -1;
        if (render->hasLoadedComic()) {
            updatePage();
        }
    }
}

void Viewer::setContinuousScrollWithoutStoringSetting(bool enabled)
{