mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2025-03-18 12:20:15 +01:00
Optional content GUI
This commit is contained in:
parent
445da73b1c
commit
d4ef618c5d
@ -36,6 +36,7 @@ DEFINES += QT_DEPRECATED_WARNINGS
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DESTDIR = $$OUT_PWD/..
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SOURCES += \
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sources/pdfitemmodels.cpp \
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sources/pdfobject.cpp \
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sources/pdfoptionalcontent.cpp \
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sources/pdfparser.cpp \
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@ -61,6 +62,7 @@ SOURCES += \
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sources/pdfimage.cpp
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HEADERS += \
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sources/pdfitemmodels.h \
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sources/pdfobject.h \
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sources/pdfoptionalcontent.h \
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sources/pdfparser.h \
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275
PdfForQtLib/sources/pdfitemmodels.cpp
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275
PdfForQtLib/sources/pdfitemmodels.cpp
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@ -0,0 +1,275 @@
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// Copyright (C) 2019 Jakub Melka
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//
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// This file is part of PdfForQt.
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//
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// PdfForQt is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// PdfForQt is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with PDFForQt. If not, see <https://www.gnu.org/licenses/>.
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#include "pdfitemmodels.h"
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#include "pdfdocument.h"
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namespace pdf
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{
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PDFTreeItem::~PDFTreeItem()
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{
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qDeleteAll(m_children);
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}
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PDFTreeItemModel::PDFTreeItemModel(QObject* parent) :
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QAbstractItemModel(parent),
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m_document(nullptr)
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{
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}
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void PDFTreeItemModel::setDocument(const PDFDocument* document)
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{
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if (m_document != document)
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{
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m_document = document;
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update();
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}
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}
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bool PDFTreeItemModel::isEmpty() const
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{
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return rowCount(QModelIndex()) == 0;
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}
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QModelIndex PDFTreeItemModel::index(int row, int column, const QModelIndex& parent) const
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{
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if (hasIndex(row, column, parent))
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{
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const PDFTreeItem* parentItem = nullptr;
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if (!parent.isValid())
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{
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parentItem = m_rootItem.get();
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}
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else
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{
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parentItem = static_cast<PDFTreeItem*>(parent.internalPointer());
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}
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return createIndex(row, column, const_cast<PDFTreeItem*>(parentItem->getChild(row)));
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}
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return QModelIndex();
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}
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QModelIndex PDFTreeItemModel::parent(const QModelIndex& child) const
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{
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if (child.isValid())
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{
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const PDFTreeItem* childItem = static_cast<PDFTreeItem*>(child.internalPointer());
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const PDFTreeItem* parentItem = childItem->getParent();
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if (parentItem != m_rootItem.get())
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{
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return createIndex(parentItem->getRow(), child.column(), const_cast<PDFTreeItem*>(parentItem));
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}
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}
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return QModelIndex();
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}
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int PDFTreeItemModel::rowCount(const QModelIndex& parent) const
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{
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if (parent.isValid())
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{
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const PDFTreeItem* parentItem = static_cast<PDFTreeItem*>(parent.internalPointer());
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return parentItem->getChildCount();
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}
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return m_rootItem ? m_rootItem->getChildCount() : 0;
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}
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bool PDFTreeItemModel::hasChildren(const QModelIndex& parent) const
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{
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return rowCount(parent) > 0;
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}
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Qt::ItemFlags PDFTreeItemModel::flags(const QModelIndex& index) const
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{
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if (!index.isValid())
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{
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return Qt::NoItemFlags;
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}
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return QAbstractItemModel::flags(index);
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}
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int PDFOptionalContentTreeItemModel::columnCount(const QModelIndex& parent) const
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{
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Q_UNUSED(parent);
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return 1;
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}
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QVariant PDFOptionalContentTreeItemModel::data(const QModelIndex& index, int role) const
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{
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if (!index.isValid())
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{
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return QVariant();
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}
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const PDFOptionalContentTreeItem* item = static_cast<const PDFOptionalContentTreeItem*>(index.internalPointer());
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switch (role)
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{
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case Qt::DisplayRole:
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return item->getText();
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case Qt::CheckStateRole:
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return Qt::Checked;
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default:
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break;
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}
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return QVariant();
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}
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void PDFOptionalContentTreeItemModel::update()
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{
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beginResetModel();
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PDFOptionalContentTreeItem* root = new PDFOptionalContentTreeItem(nullptr, PDFObjectReference(), QString(), false);
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m_rootItem.reset(root);
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if (m_document)
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{
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const PDFOptionalContentProperties* optionalContentProperties = m_document->getCatalog()->getOptionalContentProperties();
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if (optionalContentProperties->isValid())
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{
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const PDFOptionalContentConfiguration& configuration = optionalContentProperties->getDefaultConfiguration();
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const PDFObject& orderObject = m_document->getObject(configuration.getOrder());
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const std::vector<PDFObjectReference>& ocgs = optionalContentProperties->getAllOptionalContentGroups();
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const std::vector<PDFObjectReference>& locked = configuration.getLocked();
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// We must detect cycles in the reference array
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std::set<PDFObjectReference> lockedOptionalContentGroups(locked.cbegin(), locked.cend());
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std::set<PDFObjectReference> optionalContentGroups(ocgs.cbegin(), ocgs.cend());
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std::set<PDFObjectReference> processedReferences;
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PDFDocumentDataLoaderDecorator loader(m_document);
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std::function<PDFOptionalContentTreeItem*(const PDFObject&)> processObject = [&, this](const PDFObject& object) -> PDFOptionalContentTreeItem*
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{
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PDFObject dereferencedObject = object;
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if (object.isReference())
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{
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PDFObjectReference reference = object.getReference();
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if (optionalContentGroups.count(reference))
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{
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const PDFOptionalContentGroup& ocg = optionalContentProperties->getOptionalContentGroup(reference);
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return new PDFOptionalContentTreeItem(nullptr, reference, ocg.getName(), lockedOptionalContentGroups.count(reference));
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}
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else if (!processedReferences.count(reference))
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{
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processedReferences.insert(reference);
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dereferencedObject = m_document->getStorage().getObject(reference);
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}
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else
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{
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// Error - we have cyclic references
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return nullptr;
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}
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}
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if (dereferencedObject.isArray())
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{
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const PDFArray* array = dereferencedObject.getArray();
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const size_t arraySize = array->getCount();
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// We must have at least one item!
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if (arraySize == 0)
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{
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return nullptr;
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}
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QString text;
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size_t i = 0;
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// Try to retrieve group name
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const PDFObject& firstItem = m_document->getObject(array->getItem(0));
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if (firstItem.isString())
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{
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text = loader.readTextString(firstItem, QString());
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++i;
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}
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std::unique_ptr<PDFOptionalContentTreeItem> parentItem(new PDFOptionalContentTreeItem(nullptr, PDFObjectReference(), text, false));
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for (; i < arraySize; ++i)
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{
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if (PDFOptionalContentTreeItem* item = processObject(array->getItem(i)))
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{
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parentItem->addCreatedChild(item);
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}
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else
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{
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// Item cannot be parsed properly
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return nullptr;
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}
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}
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return parentItem.release();
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}
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return nullptr;
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};
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m_rootItem.reset(processObject(orderObject));
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}
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}
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endResetModel();
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}
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Qt::ItemFlags PDFOptionalContentTreeItemModel::flags(const QModelIndex& index) const
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{
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Qt::ItemFlags flags = PDFTreeItemModel::flags(index);
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if (!index.isValid())
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{
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return flags;
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}
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const PDFOptionalContentTreeItem* item = static_cast<const PDFOptionalContentTreeItem*>(index.internalPointer());
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if (item->getReference() != PDFObjectReference())
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{
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flags = flags | Qt::ItemIsUserCheckable | Qt::ItemNeverHasChildren;
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if (item->isLocked())
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{
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flags &= ~Qt::ItemIsEnabled;
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}
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}
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return flags;
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}
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QString PDFOptionalContentTreeItem::getText() const
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{
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if (!m_text.isEmpty())
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{
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return m_text;
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}
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else if (getParent())
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{
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return static_cast<const PDFOptionalContentTreeItem*>(getParent())->getText();
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}
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return QString();
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}
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} // namespace pdf
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123
PdfForQtLib/sources/pdfitemmodels.h
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123
PdfForQtLib/sources/pdfitemmodels.h
Normal file
@ -0,0 +1,123 @@
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// Copyright (C) 2019 Jakub Melka
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//
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// This file is part of PdfForQt.
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//
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// PdfForQt is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// PdfForQt is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with PDFForQt. If not, see <https://www.gnu.org/licenses/>.
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#ifndef PDFITEMMODELS_H
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#define PDFITEMMODELS_H
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#include "pdfglobal.h"
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#include "pdfobject.h"
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#include <QAbstractItemModel>
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namespace pdf
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{
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class PDFDocument;
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/// Represents tree item in the GUI tree
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class PDFTreeItem
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{
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public:
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inline explicit PDFTreeItem() = default;
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inline explicit PDFTreeItem(PDFTreeItem* parent) : m_parent(parent) { }
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virtual ~PDFTreeItem();
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template<typename T, typename... Arguments>
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inline T* addChild(Arguments&&... arguments)
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{
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T* item = new T(this, std::forward(arguments)...);
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m_children.push_back(item);
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return item;
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}
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void addCreatedChild(PDFTreeItem* item)
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{
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item->m_parent = this;
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m_children.push_back(item);
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}
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int getRow() const { return m_parent->m_children.indexOf(const_cast<PDFTreeItem*>(this)); }
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int getChildCount() const { return m_children.size(); }
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const PDFTreeItem* getChild(int index) const { return m_children.at(index); }
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const PDFTreeItem* getParent() const { return m_parent; }
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private:
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PDFTreeItem* m_parent = nullptr;
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QList<PDFTreeItem*> m_children;
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};
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/// Root of all tree item models
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class PDFFORQTLIBSHARED_EXPORT PDFTreeItemModel : public QAbstractItemModel
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{
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public:
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explicit PDFTreeItemModel(QObject* parent);
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void setDocument(const pdf::PDFDocument* document);
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bool isEmpty() const;
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virtual QModelIndex index(int row, int column, const QModelIndex& parent) const override;
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virtual QModelIndex parent(const QModelIndex& child) const override;
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virtual int rowCount(const QModelIndex& parent) const override;
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virtual bool hasChildren(const QModelIndex& parent) const override;
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virtual Qt::ItemFlags flags(const QModelIndex& index) const override;
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virtual void update() = 0;
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protected:
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const PDFDocument* m_document;
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std::unique_ptr<PDFTreeItem> m_rootItem;
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};
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class PDFOptionalContentTreeItem : public PDFTreeItem
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{
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public:
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inline explicit PDFOptionalContentTreeItem(PDFOptionalContentTreeItem* parent, PDFObjectReference reference, QString text, bool locked) :
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PDFTreeItem(parent),
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m_reference(reference),
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m_text(qMove(text)),
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m_locked(locked)
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{
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}
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PDFObjectReference getReference() const { return m_reference; }
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QString getText() const;
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bool isLocked() const { return m_locked; }
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private:
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PDFObjectReference m_reference; ///< Reference to optional content group
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QString m_text; ///< Node display name
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bool m_locked; ///< Node is locked (user can't change it)
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};
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class PDFFORQTLIBSHARED_EXPORT PDFOptionalContentTreeItemModel : public PDFTreeItemModel
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{
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public:
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inline explicit PDFOptionalContentTreeItemModel(QObject* parent) :
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PDFTreeItemModel(parent)
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{
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}
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virtual int columnCount(const QModelIndex& parent) const override;
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virtual QVariant data(const QModelIndex& index, int role) const override;
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virtual void update() override;
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virtual Qt::ItemFlags flags(const QModelIndex& index) const override;
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};
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} // namespace pdf
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#endif // PDFITEMMODELS_H
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@ -34,6 +34,15 @@ PDFOptionalContentProperties PDFOptionalContentProperties::create(const PDFDocum
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PDFDocumentDataLoaderDecorator loader(document);
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properties.m_allOptionalContentGroups = loader.readReferenceArrayFromDictionary(dictionary, "OCGs");
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for (const PDFObjectReference& reference : properties.m_allOptionalContentGroups)
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{
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const PDFObject& object = document->getStorage().getObject(reference);
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if (!object.isNull())
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{
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properties.m_optionalContentGroups[reference] = PDFOptionalContentGroup::create(document, object);
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}
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}
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if (dictionary->hasKey("D"))
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{
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properties.m_defaultConfiguration = PDFOptionalContentConfiguration::create(document, dictionary->get("D"));
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@ -178,4 +187,91 @@ PDFOptionalContentConfiguration::UsageApplication PDFOptionalContentConfiguratio
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return result;
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}
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PDFOptionalContentGroup::PDFOptionalContentGroup() :
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m_usageZoomMin(0),
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m_usageZoomMax(std::numeric_limits<PDFReal>::infinity()),
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m_usagePrintState(OCState::Unknown),
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m_usageViewState(OCState::Unknown),
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m_usageExportState(OCState::Unknown)
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{
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}
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PDFOptionalContentGroup PDFOptionalContentGroup::create(const PDFDocument* document, const PDFObject& object)
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{
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PDFOptionalContentGroup result;
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const PDFObject& dereferencedObject = document->getObject(object);
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if (!dereferencedObject.isDictionary())
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{
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throw PDFParserException(PDFTranslationContext::tr("Invalid optional content group."));
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}
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PDFDocumentDataLoaderDecorator loader(document);
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const PDFDictionary* dictionary = dereferencedObject.getDictionary();
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result.m_name = loader.readTextStringFromDictionary(dictionary, "Name", QString());
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||||
if (dictionary->hasKey("Intent"))
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{
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const PDFObject& nameOrNames = document->getObject(dictionary->get("Intent"));
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if (nameOrNames.isName())
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{
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result.m_intents = { loader.readName(nameOrNames) };
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}
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else if (nameOrNames.isArray())
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{
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result.m_intents = loader.readNameArray(nameOrNames);
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}
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else if (!nameOrNames.isNull())
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{
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throw PDFParserException(PDFTranslationContext::tr("Invalid optional content group."));
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}
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}
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const PDFObject& usageDictionaryObject = dictionary->get("Usage");
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if (usageDictionaryObject.isDictionary())
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{
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const PDFDictionary* usageDictionary = usageDictionaryObject.getDictionary();
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result.m_creatorInfo = document->getObject(usageDictionary->get("CreatorInfo"));
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result.m_language = document->getObject(usageDictionary->get("Language"));
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const PDFObject& zoomDictionary = document->getObject(usageDictionary->get("Zoom"));
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if (zoomDictionary.isDictionary())
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{
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result.m_usageZoomMin = loader.readNumberFromDictionary(usageDictionary, "min", result.m_usageZoomMin);
|
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result.m_usageZoomMax = loader.readNumberFromDictionary(usageDictionary, "max", result.m_usageZoomMax);
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}
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auto readState = [document, usageDictionary, &loader](const char* dictionaryKey, const char* key) -> OCState
|
||||
{
|
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const PDFObject& stateDictionaryObject = document->getObject(usageDictionary->get(dictionaryKey));
|
||||
if (stateDictionaryObject.isDictionary())
|
||||
{
|
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const PDFDictionary* stateDictionary = stateDictionaryObject.getDictionary();
|
||||
QByteArray stateName = loader.readNameFromDictionary(stateDictionary, key);
|
||||
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||||
if (stateName == "ON")
|
||||
{
|
||||
return OCState::ON;
|
||||
}
|
||||
if (stateName == "OFF")
|
||||
{
|
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return OCState::OFF;
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}
|
||||
}
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||||
|
||||
return OCState::Unknown;
|
||||
};
|
||||
|
||||
result.m_usageViewState = readState("View", "ViewState");
|
||||
result.m_usagePrintState = readState("Print", "PrintState");
|
||||
result.m_usageExportState = readState("Export", "ExportState");
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
} // namespace pdf
|
||||
|
@ -26,6 +26,42 @@ namespace pdf
|
||||
|
||||
class PDFDocument;
|
||||
|
||||
/// State of the optional content group, or result of expression
|
||||
enum class OCState
|
||||
{
|
||||
ON,
|
||||
OFF,
|
||||
Unknown
|
||||
};
|
||||
|
||||
constexpr OCState operator &(OCState left, OCState right)
|
||||
{
|
||||
if (left == OCState::Unknown)
|
||||
{
|
||||
return right;
|
||||
}
|
||||
if (right == OCState::Unknown)
|
||||
{
|
||||
return left;
|
||||
}
|
||||
|
||||
return (left == OCState::ON && right == OCState::ON) ? OCState::ON : OCState::OFF;
|
||||
}
|
||||
|
||||
constexpr OCState operator |(OCState left, OCState right)
|
||||
{
|
||||
if (left == OCState::Unknown)
|
||||
{
|
||||
return right;
|
||||
}
|
||||
if (right == OCState::Unknown)
|
||||
{
|
||||
return left;
|
||||
}
|
||||
|
||||
return (left == OCState::ON || right == OCState::ON) ? OCState::ON : OCState::OFF;
|
||||
}
|
||||
|
||||
/// Configuration of optional content configuration.
|
||||
class PDFOptionalContentConfiguration
|
||||
{
|
||||
@ -57,6 +93,18 @@ public:
|
||||
/// \param object Object containing documents optional content configuration
|
||||
static PDFOptionalContentConfiguration create(const PDFDocument* document, const PDFObject& object);
|
||||
|
||||
const QString& getName() const { return m_name; }
|
||||
const QString& getCreator() const { return m_creator; }
|
||||
BaseState getBaseState() const { return m_baseState; }
|
||||
const std::vector<PDFObjectReference>& getOnArray() const { return m_OnArray; }
|
||||
const std::vector<PDFObjectReference>& getOffArray() const { return m_OffArray; }
|
||||
const std::vector<QByteArray>& getIntents() const { return m_intents; }
|
||||
const std::vector<UsageApplication>& getUsageApplications() const { return m_usageApplications; }
|
||||
const PDFObject& getOrder() const { return m_order; }
|
||||
ListMode getListMode() const { return m_listMode; }
|
||||
const std::vector<std::vector<PDFObjectReference>>& getRadioButtonGroups() const { return m_radioButtonGroups; }
|
||||
const std::vector<PDFObjectReference>& getLocked() const { return m_locked; }
|
||||
|
||||
private:
|
||||
/// Creates usage application
|
||||
/// \param document Document
|
||||
@ -76,6 +124,43 @@ private:
|
||||
std::vector<PDFObjectReference> m_locked;
|
||||
};
|
||||
|
||||
/// Class reprezenting optional content group - it contains properties of the group,
|
||||
/// such as name, usage etc.
|
||||
class PDFOptionalContentGroup
|
||||
{
|
||||
public:
|
||||
explicit PDFOptionalContentGroup();
|
||||
|
||||
/// Creates optional content group from the object. Object must be valid optional
|
||||
/// content group, if it is invalid, then exception is thrown.
|
||||
/// \param document Document
|
||||
/// \param object Object containing optional content group
|
||||
static PDFOptionalContentGroup create(const PDFDocument* document, const PDFObject& object);
|
||||
|
||||
PDFObjectReference getReference() const { return m_reference; }
|
||||
const QString& getName() const { return m_name; }
|
||||
const std::vector<QByteArray>& getIntents() const { return m_intents; }
|
||||
PDFObject getCreatorInfo() const { return m_creatorInfo; }
|
||||
PDFObject getLanguage() const { return m_language; }
|
||||
PDFReal getUsageZoomMin() const { return m_usageZoomMin; }
|
||||
PDFReal getUsageZoomMax() const { return m_usageZoomMax; }
|
||||
OCState getUsagePrintState() const { return m_usagePrintState; }
|
||||
OCState getUsageViewState() const { return m_usageViewState; }
|
||||
OCState getUsageExportState() const { return m_usageExportState; }
|
||||
|
||||
private:
|
||||
PDFObjectReference m_reference;
|
||||
QString m_name;
|
||||
std::vector<QByteArray> m_intents;
|
||||
PDFObject m_creatorInfo;
|
||||
PDFObject m_language;
|
||||
PDFReal m_usageZoomMin;
|
||||
PDFReal m_usageZoomMax;
|
||||
OCState m_usagePrintState;
|
||||
OCState m_usageViewState;
|
||||
OCState m_usageExportState;
|
||||
};
|
||||
|
||||
/// Object containing properties of the optional content of the PDF document. It contains
|
||||
/// for example all documents optional content groups.
|
||||
class PDFOptionalContentProperties
|
||||
@ -84,7 +169,7 @@ public:
|
||||
explicit PDFOptionalContentProperties() = default;
|
||||
|
||||
/// Returns, if object is valid - at least one optional content group exists
|
||||
bool isValid() const { return !m_allOptionalContentGroups.empty(); }
|
||||
bool isValid() const { return !m_allOptionalContentGroups.empty() && m_allOptionalContentGroups.size() == m_optionalContentGroups.size(); }
|
||||
|
||||
/// Creates new optional content properties from the object. If object is not valid,
|
||||
/// then exception is thrown.
|
||||
@ -92,10 +177,15 @@ public:
|
||||
/// \param object Object containing documents optional content properties
|
||||
static PDFOptionalContentProperties create(const PDFDocument* document, const PDFObject& object);
|
||||
|
||||
const std::vector<PDFObjectReference>& getAllOptionalContentGroups() const { return m_allOptionalContentGroups; }
|
||||
const PDFOptionalContentConfiguration& getDefaultConfiguration() const { return m_defaultConfiguration; }
|
||||
const PDFOptionalContentGroup& getOptionalContentGroup(PDFObjectReference reference) const { return m_optionalContentGroups.at(reference); }
|
||||
|
||||
private:
|
||||
std::vector<PDFObjectReference> m_allOptionalContentGroups;
|
||||
PDFOptionalContentConfiguration m_defaultConfiguration;
|
||||
std::vector<PDFOptionalContentConfiguration> m_configurations;
|
||||
std::map<PDFObjectReference, PDFOptionalContentGroup> m_optionalContentGroups;
|
||||
};
|
||||
|
||||
} // namespace pdf
|
||||
|
@ -25,6 +25,7 @@
|
||||
#include "pdfdrawspacecontroller.h"
|
||||
#include "pdfrenderingerrorswidget.h"
|
||||
#include "pdffont.h"
|
||||
#include "pdfitemmodels.h"
|
||||
|
||||
#include <QSettings>
|
||||
#include <QFileDialog>
|
||||
@ -33,6 +34,10 @@
|
||||
#include <QApplication>
|
||||
#include <QDesktopWidget>
|
||||
#include <QStandardPaths>
|
||||
#include <QDockWidget>
|
||||
#include <QTreeView>
|
||||
#include <QLayout>
|
||||
#include <QHeaderView>
|
||||
|
||||
namespace pdfviewer
|
||||
{
|
||||
@ -40,7 +45,10 @@ namespace pdfviewer
|
||||
PDFViewerMainWindow::PDFViewerMainWindow(QWidget *parent) :
|
||||
QMainWindow(parent),
|
||||
ui(new Ui::PDFViewerMainWindow),
|
||||
m_pdfWidget(nullptr)
|
||||
m_pdfWidget(nullptr),
|
||||
m_optionalContentDockWidget(nullptr),
|
||||
m_optionalContentTreeView(nullptr),
|
||||
m_optionalContentTreeModel(nullptr)
|
||||
{
|
||||
ui->setupUi(this);
|
||||
|
||||
@ -77,6 +85,19 @@ PDFViewerMainWindow::PDFViewerMainWindow(QWidget *parent) :
|
||||
setCentralWidget(m_pdfWidget);
|
||||
setFocusProxy(m_pdfWidget);
|
||||
|
||||
m_optionalContentDockWidget = new QDockWidget(tr("Optional Content"), this);
|
||||
m_optionalContentDockWidget->setObjectName("OptionalContentDockWidget");
|
||||
m_optionalContentDockWidget->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
|
||||
m_optionalContentTreeView = new QTreeView(m_optionalContentDockWidget);
|
||||
m_optionalContentTreeView->header()->hide();
|
||||
m_optionalContentTreeModel = new pdf::PDFOptionalContentTreeItemModel(m_optionalContentTreeView);
|
||||
m_optionalContentTreeView->setModel(m_optionalContentTreeModel);
|
||||
m_optionalContentDockWidget->setWidget(m_optionalContentTreeView);
|
||||
addDockWidget(Qt::LeftDockWidgetArea, m_optionalContentDockWidget);
|
||||
|
||||
ui->menuView->addSeparator();
|
||||
ui->menuView->addAction(m_optionalContentDockWidget->toggleViewAction());
|
||||
|
||||
connect(m_pdfWidget->getDrawWidgetProxy(), &pdf::PDFDrawWidgetProxy::pageLayoutChanged, this, &PDFViewerMainWindow::updatePageLayoutActions);
|
||||
connect(m_pdfWidget, &pdf::PDFWidget::pageRenderingErrorsChanged, this, &PDFViewerMainWindow::onPageRenderingErrorsChanged, Qt::QueuedConnection);
|
||||
|
||||
@ -234,6 +255,18 @@ void PDFViewerMainWindow::openDocument(const QString& fileName)
|
||||
void PDFViewerMainWindow::setDocument(const pdf::PDFDocument* document)
|
||||
{
|
||||
m_pdfWidget->setDocument(document);
|
||||
m_optionalContentTreeModel->setDocument(document);
|
||||
m_optionalContentTreeView->expandAll();
|
||||
|
||||
if (m_optionalContentTreeModel->isEmpty())
|
||||
{
|
||||
m_optionalContentDockWidget->hide();
|
||||
}
|
||||
else
|
||||
{
|
||||
m_optionalContentDockWidget->show();
|
||||
}
|
||||
|
||||
updateTitle();
|
||||
}
|
||||
|
||||
|
@ -21,6 +21,7 @@
|
||||
#include "pdfcatalog.h"
|
||||
#include "pdfrenderer.h"
|
||||
|
||||
#include <QTreeView>
|
||||
#include <QMainWindow>
|
||||
#include <QSharedPointer>
|
||||
|
||||
@ -33,6 +34,7 @@ namespace pdf
|
||||
{
|
||||
class PDFWidget;
|
||||
class PDFDocument;
|
||||
class PDFOptionalContentTreeItemModel;
|
||||
}
|
||||
|
||||
namespace pdfviewer
|
||||
@ -82,6 +84,9 @@ private:
|
||||
QSharedPointer<pdf::PDFDocument> m_pdfDocument;
|
||||
QString m_directory;
|
||||
QString m_currentFile;
|
||||
QDockWidget* m_optionalContentDockWidget;
|
||||
QTreeView* m_optionalContentTreeView;
|
||||
pdf::PDFOptionalContentTreeItemModel* m_optionalContentTreeModel;
|
||||
};
|
||||
|
||||
} // namespace pdfviewer
|
||||
|
Loading…
x
Reference in New Issue
Block a user