%1" "

") + tr("Your search did not match any documents.") + QLatin1String("

"); if (isIndexing) htmlFile += QLatin1String("

") + tr("(The reason for this might be that the documentation " "is still being indexed.)") + QLatin1String("

"); } htmlFile += QLatin1String(""); setHtml(htmlFile); } signals: void requestShowLink(const QUrl &url); private slots: void setSource(const QUrl & /* name */) override {} }; class QHelpSearchResultWidgetPrivate : public QObject { Q_OBJECT private slots: void showFirstResultPage() { if (!searchEngine.isNull()) resultFirstToShow = 0; updateHitRange(); } void showLastResultPage() { if (!searchEngine.isNull()) resultFirstToShow = (searchEngine->searchResultCount() - 1) / ResultsRange * ResultsRange; updateHitRange(); } void showPreviousResultPage() { if (!searchEngine.isNull()) { resultFirstToShow -= ResultsRange; if (resultFirstToShow < 0) resultFirstToShow = 0; } updateHitRange(); } void showNextResultPage() { if (!searchEngine.isNull() && resultFirstToShow + ResultsRange < searchEngine->searchResultCount()) { resultFirstToShow += ResultsRange; } updateHitRange(); } void indexingStarted() { isIndexing = true; } void indexingFinished() { isIndexing = false; } private: QHelpSearchResultWidgetPrivate(QHelpSearchEngine *engine) : QObject() , searchEngine(engine) { connect(searchEngine.data(), &QHelpSearchEngine::indexingStarted, this, &QHelpSearchResultWidgetPrivate::indexingStarted); connect(searchEngine.data(), &QHelpSearchEngine::indexingFinished, this, &QHelpSearchResultWidgetPrivate::indexingFinished); } ~QHelpSearchResultWidgetPrivate() { delete searchEngine; } QToolButton* setupToolButton(const QString &iconPath) { QToolButton *button = new QToolButton(); button->setEnabled(false); button->setAutoRaise(true); button->setIcon(QIcon(iconPath)); button->setIconSize(QSize(12, 12)); button->setMaximumSize(QSize(16, 16)); return button; } void updateHitRange() { int last = 0; int first = 0; int count = 0; if (!searchEngine.isNull()) { count = searchEngine->searchResultCount(); if (count > 0) { last = qMin(resultFirstToShow + ResultsRange, count); first = resultFirstToShow + 1; } resultTextBrowser->showResultPage(searchEngine->searchResults(resultFirstToShow, last), isIndexing); } hitsLabel->setText(QHelpSearchResultWidget::tr("%1 - %2 of %n Hits", 0, count).arg(first).arg(last)); firstResultPage->setEnabled(resultFirstToShow); previousResultPage->setEnabled(resultFirstToShow); lastResultPage->setEnabled(count - last); nextResultPage->setEnabled(count - last); } private: friend class QHelpSearchResultWidget; QPointer searchEngine; QResultWidget *resultTextBrowser = nullptr; static const int ResultsRange = 20; int resultFirstToShow = 0; bool isIndexing = false; QToolButton *firstResultPage = nullptr; QToolButton *previousResultPage = nullptr; QLabel *hitsLabel = nullptr; QToolButton *nextResultPage = nullptr; QToolButton *lastResultPage = nullptr; }; #include "qhelpsearchresultwidget.moc" /*! \class QHelpSearchResultWidget \since 4.4 \inmodule QtHelp \brief The QHelpSearchResultWidget class provides a text browser to display search results. */ /*! \fn void QHelpSearchResultWidget::requestShowLink(const QUrl &link) This signal is emitted when a item is activated and its associated \a link should be shown. */ QHelpSearchResultWidget::QHelpSearchResultWidget(QHelpSearchEngine *engine) : QWidget(0) , d(new QHelpSearchResultWidgetPrivate(engine)) { QVBoxLayout *vLayout = new QVBoxLayout(this); vLayout->setMargin(0); vLayout->setSpacing(0); QHBoxLayout *hBoxLayout = new QHBoxLayout(); #ifndef Q_OS_MAC hBoxLayout->setMargin(0); hBoxLayout->setSpacing(0); #endif hBoxLayout->addWidget(d->firstResultPage = d->setupToolButton( QString::fromUtf8(":/qt-project.org/assistant/images/3leftarrow.png"))); hBoxLayout->addWidget(d->previousResultPage = d->setupToolButton( QString::fromUtf8(":/qt-project.org/assistant/images/1leftarrow.png"))); d->hitsLabel = new QLabel(tr("0 - 0 of 0 Hits"), this); hBoxLayout->addWidget(d->hitsLabel); d->hitsLabel->setAlignment(Qt::AlignCenter); d->hitsLabel->setMinimumSize(QSize(150, d->hitsLabel->height())); hBoxLayout->addWidget(d->nextResultPage = d->setupToolButton( QString::fromUtf8(":/qt-project.org/assistant/images/1rightarrow.png"))); hBoxLayout->addWidget(d->lastResultPage = d->setupToolButton( QString::fromUtf8(":/qt-project.org/assistant/images/3rightarrow.png"))); QSpacerItem *spacer = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum); hBoxLayout->addItem(spacer); vLayout->addLayout(hBoxLayout); d->resultTextBrowser = new QResultWidget(this); vLayout->addWidget(d->resultTextBrowser); connect(d->resultTextBrowser, &QResultWidget::requestShowLink, this, &QHelpSearchResultWidget::requestShowLink); connect(d->nextResultPage, &QAbstractButton::clicked, d, &QHelpSearchResultWidgetPrivate::showNextResultPage); connect(d->lastResultPage, &QAbstractButton::clicked, d, &QHelpSearchResultWidgetPrivate::showLastResultPage); connect(d->firstResultPage, &QAbstractButton::clicked, d, &QHelpSearchResultWidgetPrivate::showFirstResultPage); connect(d->previousResultPage, &QAbstractButton::clicked, d, &QHelpSearchResultWidgetPrivate::showPreviousResultPage); connect(engine, &QHelpSearchEngine::searchingFinished, d, &QHelpSearchResultWidgetPrivate::showFirstResultPage); } /*! \reimp */ void QHelpSearchResultWidget::changeEvent(QEvent *event) { if (event->type() == QEvent::LanguageChange) d->updateHitRange(); } /*! Destroys the search result widget. */ QHelpSearchResultWidget::~QHelpSearchResultWidget() { delete d; } /*! Returns a reference of the URL that the item at \a point owns, or an empty URL if no item exists at that point. */ QUrl QHelpSearchResultWidget::linkAt(const QPoint &point) { if (d->resultTextBrowser) return d->resultTextBrowser->anchorAt(point); return QUrl(); } QT_END_NAMESPACE