C++ QWebHistory::count方法代码示例

void QtWebKitHelpViewer::goToHistoryItem(bool forward)
{
    QAction *action = qobject_cast<QAction *>(sender());
    QTC_ASSERT(action, return);
    QWebHistory *history = m_webView->history();
    QTC_ASSERT(history, return);
    bool ok = false;
    int index = action->data().toInt(&ok);
    QTC_ASSERT(ok, return);
    if (forward)
        history->goToItem(history->forwardItems(history->count()).at(index));
    else
        history->goToItem(history->backItems(history->count()).at(index));
}

void NavigationBar::aboutToShowHistoryNextMenu()
{
    if (!m_menuForward || !m_window->weView()) {
        return;
    }
    m_menuForward->clear();

    QWebHistory* history = m_window->weView()->history();
    int curindex = history->currentItemIndex();
    int count = 0;

    for (int i = curindex + 1; i < history->count(); i++) {
        QWebHistoryItem item = history->itemAt(i);
        if (item.isValid()) {
            QString title = titleForUrl(item.title(), item.url());

            const QIcon icon = iconForPage(item.url(), IconProvider::standardIcon(QStyle::SP_ArrowForward));
            Action* act = new Action(icon, title);
            act->setData(i);
            connect(act, SIGNAL(triggered()), this, SLOT(loadHistoryIndex()));
            connect(act, SIGNAL(ctrlTriggered()), this, SLOT(loadHistoryIndexInNewTab()));
            m_menuForward->addAction(act);
        }

        count++;
        if (count == 20) {
            break;
        }
    }

    m_menuForward->addSeparator();
    m_menuForward->addAction(tr("Clear history"), this, SLOT(clearHistory()));
}

void MainWindow::displayViewActions()
{
    ui->actionBack->setEnabled(ui->webView->canGoBack());
    ui->backButton->setEnabled(ui->webView->canGoBack());
    ui->actionForward->setEnabled(ui->webView->canGoForward());
    ui->forwardButton->setEnabled(ui->webView->canGoForward());

    ui->menuView->clear();
    ui->menuView->addAction(ui->actionBack);
    ui->menuView->addAction(ui->actionForward);
    ui->menuView->addSeparator();

    m_backMenu->clear();
    m_forwardMenu->clear();

    QWebHistory *history = ui->webView->page()->history();
    for (const QWebHistoryItem &item: history->backItems(10))
        m_backMenu->addAction(addHistoryAction(history, item));
    if (history->count() > 0)
        addHistoryAction(history, history->currentItem())->setEnabled(false);
    for (const QWebHistoryItem &item: history->forwardItems(10))
        m_forwardMenu->addAction(addHistoryAction(history, item));

    displayTabs();
}

WindowHistoryInformation QtWebKitWebWidget::getHistory() const
{
	QVariantHash data;
	data[QLatin1String("position")] = m_webView->page()->mainFrame()->scrollPosition();
	data[QLatin1String("zoom")] = getZoom();

	m_webView->history()->currentItem().setUserData(data);

	QWebHistory *history = m_webView->history();
	WindowHistoryInformation information;
	information.index = history->currentItemIndex();

	for (int i = 0; i < history->count(); ++i)
	{
		const QWebHistoryItem item = history->itemAt(i);
		WindowHistoryEntry entry;
		entry.url = item.url().toString();
		entry.title = item.title();
		entry.position = item.userData().toHash().value(QLatin1String("position"), QPoint(0, 0)).toPoint();
		entry.zoom = item.userData().toHash().value(QLatin1String("zoom")).toInt();

		information.entries.append(entry);
	}

	return information;
}

void WebKitBrowserExtension::restoreState(QDataStream &stream)
{
    KUrl u;
    QByteArray historyData;
    qint32 xOfs = -1, yOfs = -1, historyItemIndex = -1;
    stream >> u >> xOfs >> yOfs >> historyItemIndex >> historyData;

    QWebHistory* history = (view() ? view()->page()->history() : 0);
    if (history) {
        bool success = false;
        if (history->count() == 0) {   // Handle restoration: crash recovery, tab close undo, session restore
            if (!historyData.isEmpty()) {
                historyData = qUncompress(historyData); // uncompress the history data...
                QBuffer buffer (&historyData);
                if (buffer.open(QIODevice::ReadOnly)) {
                    QDataStream stream (&buffer);
                    view()->page()->setProperty("HistoryNavigationLocked", true);
                    stream >> *history;
                    QWebHistoryItem currentItem (history->currentItem());
                    if (currentItem.isValid()) {
                        if (currentItem.userData().isNull() && (xOfs != -1 || yOfs != -1)) {
                            const QPoint scrollPos (xOfs, yOfs);
                            currentItem.setUserData(scrollPos);
                        }
                        // NOTE 1: The following Konqueror specific workaround is necessary
                        // because Konqueror only preserves information for the last visited
                        // page. However, we save the entire history content in saveState and
                        // and hence need to elimiate all but the current item here.
                        // NOTE 2: This condition only applies when Konqueror is restored from
                        // abnormal termination ; a crash and/or a session restoration.
                        if (QCoreApplication::applicationName() == QLatin1String("konqueror")) {
                            history->clear();
                        }
                        //kDebug() << "Restoring URL:" << currentItem.url();
                        m_part->setProperty("NoEmitOpenUrlNotification", true);
                        history->goToItem(currentItem);
                    }
                }
            }
            success = (history->count() > 0);
        } else {        // Handle navigation: back and forward button navigation.

void BrowserWidget::loadUrlBackend(QUrl url, bool tryFromHistory) {
    if (url == homePageUrl) {
        emit loadingHomePage();
    } else if (tryFromHistory) {
        QWebHistory *history = webView->page()->history();
        for (int i = 0; i < history->count(); i++) {
            if (history->itemAt(i).url() == url) {
                history->goToItem(history->itemAt(i));
                urlChanging(history->itemAt(i).url()); // workaround
                return;
            }
        }
    }
    webView->load(url);
}

void KWebKitPart::slotRestoreFrameState(QWebFrame *frame)
{
    QWebPage* page = (frame ? frame->page() : 0);
    QWebHistory* history = (page ? page->history() : 0);

    // No history item...
    if (!history || history->count() < 1)
        return;

    QWebHistoryItem currentHistoryItem (history->currentItem());

    // Update the scroll position if needed. See comment in slotSaveFrameState above.
    if (frame->baseUrl().resolved(frame->url()) == currentHistoryItem.url()) {
        const QPoint currentPos (frame->scrollPosition());
        const QPoint desiredPos (currentHistoryItem.userData().toPoint());
        if (currentPos.isNull() && !desiredPos.isNull()) {
            frame->setScrollPosition(desiredPos);
        }
    }
}

static SIP_SSIZE_T slot_QWebHistory___len__(PyObject *sipSelf)
{
    QWebHistory *sipCpp = reinterpret_cast<QWebHistory *>(sipGetCppPtr((sipSimpleWrapper *)sipSelf,sipType_QWebHistory));

    if (!sipCpp)
        return 0;


    {
        {
            SIP_SSIZE_T sipRes = 0;

#line 1 "Auto-generated"
            sipRes = (SIP_SSIZE_T)sipCpp->count();
#line 513 "C:\\Users\\marcus\\Downloads\\PyQt-gpl-5.4\\PyQt-gpl-5.4\\QtWebKit/sipQtWebKitQWebHistory.cpp"

            return sipRes;
        }
    }

    return 0;
}