mirror of https://github.com/JakubMelka/PDF4QT.git
120 lines
3.3 KiB
C++
120 lines
3.3 KiB
C++
// 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 PDFSIDEBARWIDGET_H
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#define PDFSIDEBARWIDGET_H
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#include "pdfglobal.h"
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#include <QWidget>
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class QPushButton;
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class QWidget;
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namespace Ui
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{
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class PDFSidebarWidget;
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}
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namespace pdf
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{
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class PDFAction;
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class PDFDocument;
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class PDFDrawWidgetProxy;
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class PDFOutlineTreeItemModel;
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class PDFThumbnailsItemModel;
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class PDFAttachmentsTreeItemModel;
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class PDFOptionalContentActivity;
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class PDFOptionalContentTreeItemModel;
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}
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namespace pdfviewer
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{
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class PDFSidebarWidget : public QWidget
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{
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Q_OBJECT
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public:
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explicit PDFSidebarWidget(pdf::PDFDrawWidgetProxy* proxy, QWidget* parent = nullptr);
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virtual ~PDFSidebarWidget() override;
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virtual void paintEvent(QPaintEvent* event) override;
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enum Page
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{
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Invalid,
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_BEGIN,
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Bookmarks = _BEGIN,
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Thumbnails,
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OptionalContent,
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Attachments,
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_END
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};
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void setDocument(const pdf::PDFDocument* document, pdf::PDFOptionalContentActivity* optionalContentActivity);
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/// Returns true, if all items in sidebar are empty
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bool isEmpty() const;
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/// Returns true, if page is empty
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bool isEmpty(Page page) const;
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/// Selects current page
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void selectPage(Page page);
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/// Returns list of valid pages (nonempty pages)
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std::vector<Page> getValidPages() const;
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/// Sets current pages (for example, selects the correct thumbnail)
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void setCurrentPages(const std::vector<pdf::PDFInteger>& currentPages);
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signals:
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void actionTriggered(const pdf::PDFAction* action);
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private:
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void updateGUI(Page preferredPage);
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void updateButtons();
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void onPageButtonClicked();
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void onOutlineItemClicked(const QModelIndex& index);
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void onThumbnailsSizeChanged(int size);
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void onAttachmentCustomContextMenuRequested(const QPoint& pos);
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void onThumbnailClicked(const QModelIndex& index);
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struct PageInfo
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{
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QPushButton* button = nullptr;
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QWidget* page = nullptr;
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};
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Ui::PDFSidebarWidget* ui;
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pdf::PDFDrawWidgetProxy* m_proxy;
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pdf::PDFOutlineTreeItemModel* m_outlineTreeModel;
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pdf::PDFThumbnailsItemModel* m_thumbnailsModel;
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pdf::PDFOptionalContentTreeItemModel* m_optionalContentTreeModel;
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const pdf::PDFDocument* m_document;
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pdf::PDFOptionalContentActivity* m_optionalContentActivity;
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pdf::PDFAttachmentsTreeItemModel* m_attachmentsTreeModel;
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std::map<Page, PageInfo> m_pageInfo;
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};
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} // namespace pdfviewer
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#endif // PDFSIDEBARWIDGET_H
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