Exemple #1
0
static void fillToc(Poppler::Document *doc, const QDomNode &parent, QTreeWidget *tree, QTreeWidgetItem *parentItem)
{
    QTreeWidgetItem *newitem = 0;
    for (QDomNode node = parent.firstChild(); !node.isNull(); node = node.nextSibling()) {
        QDomElement e = node.toElement();

		// for some unknown reason e.attribute("Destination") does not exist while Okular successfully uses it; so we cannot use Poppler::LinkDestination(e.attribute(QString::fromLatin1("Destination"))).pageNumber() and must use the following
//		const int pageNumber = doc->linkDestination(e.attribute(QString::fromLatin1("DestinationName")))->pageNumber();
		Poppler::LinkDestination *dest = doc->linkDestination(e.attribute(QString::fromLatin1("DestinationName")));
		const double pageNumber = dest->pageNumber() + dest->top();
		delete dest;

        if (!parentItem) {
            newitem = new QTreeWidgetItem(tree, newitem);
        } else {
            newitem = new QTreeWidgetItem(parentItem, newitem);
        }
        newitem->setText(0, e.tagName());
		newitem->setData(0, Qt::UserRole, pageNumber);

        bool isOpen = false;
        if (e.hasAttribute(QString::fromLatin1("Open"))) {
            isOpen = QVariant(e.attribute(QString::fromLatin1("Open"))).toBool();
        }
        if (isOpen) {
            tree->expandItem(newitem);
        }

        if (e.hasChildNodes()) {
            fillToc(doc, node, tree, newitem);
        }
    }
}
Exemple #2
0
static QList<Link> getLinks(Poppler::Page* popplerPage, const QStringList &popplerPageLabels)
{
    QList<Link> links;

//QTime t = QTime::currentTime();
    QList<Poppler::Link*> popplerLinks = popplerPage->links(); // this is slow
//qCritical() << t.msecsTo(QTime::currentTime());
    links.reserve(popplerLinks.size());
    while (!popplerLinks.isEmpty())
    {
        Poppler::Link *popplerLink = popplerLinks.takeFirst();
        Link link;
//		link.linkArea = popplerLink->linkArea();
        const QRectF linkArea = popplerLink->linkArea();
        link.linkArea = QRectF(linkArea.left(), qMin(linkArea.top(), linkArea.bottom()), qAbs(linkArea.right() - linkArea.left()), qAbs(linkArea.bottom() - linkArea.top())); // poppler switches top and bottom of this box :(
        switch (popplerLink->linkType())
        {
        case Poppler::Link::Goto:
        {
            const Poppler::LinkGoto *popplerLinkGoto = static_cast<const Poppler::LinkGoto*>(popplerLink);
            const Poppler::LinkDestination popplerDest = popplerLinkGoto->destination();
            link.pageNumber = popplerDest.pageNumber() - 1 + popplerDest.top();
            link.pageLabel = popplerPageLabels.at(int(link.pageNumber));
        }
        break;
        case Poppler::Link::Browse:
        {
            const Poppler::LinkBrowse *popplerLinkBrowse = static_cast<const Poppler::LinkBrowse*>(popplerLink);
            link.url = popplerLinkBrowse->url();
        }
        break;
        case Poppler::Link::Action:
        {
            const Poppler::LinkAction *popplerLinkAction = static_cast<const Poppler::LinkAction*>(popplerLink);
            link.pageNumber = -1; // since Poppler::LinkAction::ActionType doesn't specify a "None" value, we use pageNumber to distinguish this type of action, we do not check whether popplerLinkAction->actionType() is > 0 because it is not documented that all valid action types have a value > 0
            link.actionType = popplerLinkAction->actionType();
        }
        break;
        case Poppler::Link::Execute: // TODO
        case Poppler::Link::Sound: // TODO
        case Poppler::Link::Movie: // not implemented in poppler 0.16
        case Poppler::Link::JavaScript: // TODO
        default: // do nothing
            break;
        }
        links << link;
        delete popplerLink;
    }

    return links;
}
Exemple #3
0
void GridLayout::goto_link_destination(const Poppler::LinkDestination &link) {
	int link_page = link.pageNumber() - 1;
	float w = res->get_page_width(link_page, false);
	float h = res->get_page_height(link_page, false);

	const QPointF link_point = rotate_point(QPointF(link.left() * w, link.top() * h), w, h, res->get_rotation());

	QPoint p = get_target_page_distance(link_page);
	if (link.isChangeLeft()) {
		p.rx() += link_point.x() * size - width * jump_padding;
	}
	if (link.isChangeTop()) {
		p.ry() += link_point.y() * size - height * jump_padding;
	}
	view_point(p);
}