diff options
Diffstat (limited to 'src/pdf/qpdflinkmodel.cpp')
| -rw-r--r-- | src/pdf/qpdflinkmodel.cpp | 80 |
1 files changed, 58 insertions, 22 deletions
diff --git a/src/pdf/qpdflinkmodel.cpp b/src/pdf/qpdflinkmodel.cpp index c98a8723e..0a8b1e812 100644 --- a/src/pdf/qpdflinkmodel.cpp +++ b/src/pdf/qpdflinkmodel.cpp @@ -2,8 +2,8 @@ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qpdflink_p.h" +#include "qpdflinkmodel.h" #include "qpdflinkmodel_p.h" -#include "qpdflinkmodel_p_p.h" #include "qpdfdocument_p.h" #include "third_party/pdfium/public/fpdf_doc.h" @@ -16,9 +16,9 @@ QT_BEGIN_NAMESPACE Q_LOGGING_CATEGORY(qLcLink, "qt.pdf.links") -/*! \internal +/*! \class QPdfLinkModel - \since 5.15 + \since 6.6 \inmodule QtPdf \inherits QAbstractListModel @@ -28,7 +28,7 @@ Q_LOGGING_CATEGORY(qLcLink, "qt.pdf.links") This is used in PDF viewers to implement the hyperlink mechanism. */ -/*! \internal +/*! \enum QPdfLinkModel::Role \value Link A QPdfLink object. @@ -40,28 +40,31 @@ Q_LOGGING_CATEGORY(qLcLink, "qt.pdf.links") \omitvalue NRoles */ -/*! \internal +/*! Constructs a new link model with parent object \a parent. */ QPdfLinkModel::QPdfLinkModel(QObject *parent) - : QAbstractListModel(*(new QPdfLinkModelPrivate()), parent) + : QAbstractListModel(parent), + d_ptr{std::make_unique<QPdfLinkModelPrivate>(this)} { + Q_D(QPdfLinkModel); QMetaEnum rolesMetaEnum = metaObject()->enumerator(metaObject()->indexOfEnumerator("Role")); for (int r = Qt::UserRole; r < int(Role::NRoles); ++r) - m_roleNames.insert(r, QByteArray(rolesMetaEnum.valueToKey(r)).toLower()); + d->roleNames.insert(r, QByteArray(rolesMetaEnum.valueToKey(r)).toLower()); } -/*! \internal +/*! Destroys the model. */ QPdfLinkModel::~QPdfLinkModel() {} QHash<int, QByteArray> QPdfLinkModel::roleNames() const { - return m_roleNames; + Q_D(const QPdfLinkModel); + return d->roleNames; } -/*! \internal +/*! \reimp */ int QPdfLinkModel::rowCount(const QModelIndex &parent) const @@ -71,7 +74,7 @@ int QPdfLinkModel::rowCount(const QModelIndex &parent) const return d->links.size(); } -/*! \internal +/*! \reimp */ QVariant QPdfLinkModel::data(const QModelIndex &index, int role) const @@ -99,9 +102,9 @@ QVariant QPdfLinkModel::data(const QModelIndex &index, int role) const return QVariant(); } -/*! \internal +/*! \property QPdfLinkModel::document - \brief the document to load links from + \brief The document to load links from. */ QPdfDocument *QPdfLinkModel::document() const { @@ -125,9 +128,9 @@ void QPdfLinkModel::setDocument(QPdfDocument *document) d->update(); } -/*! \internal +/*! \property QPdfLinkModel::page - \brief the page to load links from + \brief The page to load links from. */ int QPdfLinkModel::page() const { @@ -146,8 +149,22 @@ void QPdfLinkModel::setPage(int page) d->update(); } -QPdfLinkModelPrivate::QPdfLinkModelPrivate() : QAbstractItemModelPrivate() +/*! + Returns a \l {QPdfLink::isValid()}{valid} link if found under the \a point + (given in units of points, 1/72 of an inch), or an invalid link if it is + not found. In other words, this function is useful for picking, to handle + mouse click or hover. +*/ +QPdfLink QPdfLinkModel::linkAt(QPointF point) const { + Q_D(const QPdfLinkModel); + for (const auto &link : std::as_const(d->links)) { + for (const auto &rect : link.rectangles()) { + if (rect.contains(point)) + return link; + } + } + return {}; } void QPdfLinkModelPrivate::update() @@ -162,7 +179,6 @@ void QPdfLinkModelPrivate::update() qCWarning(qLcLink) << "failed to load page" << page; return; } - double pageHeight = FPDF_GetPageHeight(pdfPage); q->beginResetModel(); links.clear(); @@ -187,8 +203,28 @@ void QPdfLinkModelPrivate::update() std::swap(rect.bottom, rect.top); QPdfLink linkData; - linkData.d->rects << QRectF(rect.left, pageHeight - rect.top, - rect.right - rect.left, rect.top - rect.bottom); + // Use quad points if present; otherwise use the rect. + if (int quadPointsCount = FPDFLink_CountQuadPoints(linkAnnot) > 0) { + for (int i = 0; i < quadPointsCount; ++i) { + FS_QUADPOINTSF point; + if (FPDFLink_GetQuadPoints(linkAnnot, i, &point)) { + // Quadpoints are counter clockwise from bottom left (x1, y1) + QPolygonF poly; + poly << QPointF(point.x1, point.y1); + poly << QPointF(point.x2, point.y2); + poly << QPointF(point.x3, point.y3); + poly << QPointF(point.x4, point.y4); + QRectF bounds = poly.boundingRect(); + bounds = document->d->mapPageToView(pdfPage, bounds.left(), bounds.top(), bounds.right(), bounds.bottom()); + qCDebug(qLcLink) << "quadpoints" << i << "of" << quadPointsCount << ":" << poly << "mapped bounds" << bounds; + linkData.d->rects << bounds; + // QPdfLink could store polygons rather than rects, to get the benefit of quadpoints; + // so far we didn't bother. It would be an API change, and we'd need to use Shapes in PdfLinkDelegate.qml + } + } + } else { + linkData.d->rects << document->d->mapPageToView(pdfPage, rect.left, rect.top, rect.right, rect.bottom); + } FPDF_DEST dest = FPDFLink_GetDest(doc, linkAnnot); FPDF_ACTION action = FPDFLink_GetAction(linkAnnot); switch (FPDFAction_GetType(action)) { @@ -196,7 +232,7 @@ void QPdfLinkModelPrivate::update() case PDFACTION_GOTO: { linkData.d->page = FPDFDest_GetDestPageIndex(doc, dest); if (linkData.d->page < 0) { - qCWarning(qLcLink) << "skipping link with invalid page number"; + qCWarning(qLcLink) << "skipping link with invalid page number" << linkData.d->page; continue; // while enumerating links } FPDF_BOOL hasX, hasY, hasZoom; @@ -207,7 +243,7 @@ void QPdfLinkModelPrivate::update() break; // at least we got a page number, so the link will jump there } if (hasX && hasY) - linkData.d->location = QPointF(x, pageHeight - y); + linkData.d->location = document->d->mapPageToView(pdfPage, x, y); if (hasZoom) linkData.d->zoom = zoom; break; @@ -270,7 +306,7 @@ void QPdfLinkModelPrivate::update() double left, top, right, bottom; bool success = FPDFLink_GetRect(webLinks, i, r, &left, &top, &right, &bottom); if (success) { - linkData.d->rects << QRectF(left, pageHeight - top, right - left, top - bottom); + linkData.d->rects << document->d->mapPageToView(pdfPage, left, top, right, bottom); links << linkData; } } |