PDF4QT/Pdf4QtViewer/pdfsidebarwidget.h

139 lines
4.0 KiB
C++

// Copyright (C) 2019-2021 Jakub Melka
//
// This file is part of PDF4QT.
//
// PDF4QT is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// with the written consent of the copyright owner, any later version.
//
// PDF4QT is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
#ifndef PDFSIDEBARWIDGET_H
#define PDFSIDEBARWIDGET_H
#include "pdfglobal.h"
#include <QWidget>
class QPushButton;
class QWidget;
namespace Ui
{
class PDFSidebarWidget;
}
namespace pdf
{
class PDFAction;
class PDFDocument;
class PDFCertificateInfo;
class PDFDrawWidgetProxy;
class PDFCertificateStore;
class PDFModifiedDocument;
class PDFThumbnailsItemModel;
class PDFOutlineTreeItemModel;
class PDFOptionalContentActivity;
class PDFAttachmentsTreeItemModel;
class PDFSignatureVerificationResult;
class PDFOptionalContentTreeItemModel;
}
namespace pdfviewer
{
class PDFTextToSpeech;
class PDFViewerSettings;
class PDFSidebarWidget : public QWidget
{
Q_OBJECT
public:
explicit PDFSidebarWidget(pdf::PDFDrawWidgetProxy* proxy,
PDFTextToSpeech* textToSpeech,
pdf::PDFCertificateStore* certificateStore,
PDFViewerSettings* settings,
QWidget* parent);
virtual ~PDFSidebarWidget() override;
virtual void paintEvent(QPaintEvent* event) override;
enum Page
{
Invalid,
_BEGIN,
Bookmarks = _BEGIN,
Thumbnails,
OptionalContent,
Attachments,
Speech,
Signatures,
_END
};
void setDocument(const pdf::PDFModifiedDocument& document, const std::vector<pdf::PDFSignatureVerificationResult>& signatures);
/// Returns true, if all items in sidebar are empty
bool isEmpty() const;
/// Returns true, if page is empty
bool isEmpty(Page page) const;
/// Selects current page
void selectPage(Page page);
/// Returns list of valid pages (nonempty pages)
std::vector<Page> getValidPages() const;
/// Sets current pages (for example, selects the correct thumbnail)
void setCurrentPages(const std::vector<pdf::PDFInteger>& currentPages);
signals:
void actionTriggered(const pdf::PDFAction* action);
private:
void updateGUI(Page preferredPage);
void updateButtons();
void updateSignatures(const std::vector<pdf::PDFSignatureVerificationResult>& signatures);
void onPageButtonClicked();
void onOutlineItemClicked(const QModelIndex& index);
void onThumbnailsSizeChanged(int size);
void onAttachmentCustomContextMenuRequested(const QPoint& pos);
void onThumbnailClicked(const QModelIndex& index);
void onSignatureCustomContextMenuRequested(const QPoint &pos);
struct PageInfo
{
QPushButton* button = nullptr;
QWidget* page = nullptr;
};
Ui::PDFSidebarWidget* ui;
pdf::PDFDrawWidgetProxy* m_proxy;
PDFTextToSpeech* m_textToSpeech;
pdf::PDFCertificateStore* m_certificateStore;
PDFViewerSettings* m_settings;
pdf::PDFOutlineTreeItemModel* m_outlineTreeModel;
pdf::PDFThumbnailsItemModel* m_thumbnailsModel;
pdf::PDFOptionalContentTreeItemModel* m_optionalContentTreeModel;
const pdf::PDFDocument* m_document;
pdf::PDFOptionalContentActivity* m_optionalContentActivity;
pdf::PDFAttachmentsTreeItemModel* m_attachmentsTreeModel;
std::map<Page, PageInfo> m_pageInfo;
std::vector<pdf::PDFSignatureVerificationResult> m_signatures;
std::vector<pdf::PDFCertificateInfo> m_certificateInfos;
};
} // namespace pdfviewer
#endif // PDFSIDEBARWIDGET_H