mirror of https://github.com/qt/qtdoc.git
75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
// Copyright (C) 2023 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef PDFVIEWER_H
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#define PDFVIEWER_H
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#include "viewerinterfaces.h"
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#include <QLoggingCategory>
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Q_DECLARE_LOGGING_CATEGORY(lcExample)
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class QMainWindow;
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class QPdfDocument;
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class QPdfView;
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class QPdfPageSelector;
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class QListView;
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class QTabWidget;
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class QTreeView;
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class ZoomSelector;
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class PdfViewer : public ViewerInterface
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{
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Q_OBJECT
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Q_PLUGIN_METADATA(IID "org.qt-project.Qt.Examples.DocumentViewer.ViewerInterface" FILE "pdfviewer.json")
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Q_INTERFACES(ViewerInterface)
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public:
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~PdfViewer() override;
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void init(QFile *file, QWidget *parent, QMainWindow *mainWindow) override;
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QString viewerName() const override { return staticMetaObject.className(); };
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QStringList supportedMimeTypes() const override;
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bool supportsOverview() const override { return true; }
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bool hasContent() const override;
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QByteArray saveState() const override { return QByteArray(); }
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bool restoreState(QByteArray &) override { return true; }
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#ifdef QT_DOCUMENTVIEWER_PRINTSUPPORT
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protected:
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void printDocument(QPrinter *printer) const override;
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#endif // QT_DOCUMENTVIEWER_PRINTSUPPORT
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public slots:
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void openPdfFile();
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private slots:
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void initPdfViewer();
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void bookmarkSelected(const QModelIndex &index);
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void pageSelected(int page);
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// action handlers
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void onActionOpenTriggered();
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void onActionQuitTriggered();
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void onActionZoomInTriggered();
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void onActionZoomOutTriggered();
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void onActionPreviousPageTriggered();
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void onActionNextPageTriggered();
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void onActionBackTriggered();
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void onActionForwardTriggered();
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private:
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void populateQuestions();
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const qreal zoomMultiplier = qSqrt(2.0);
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static constexpr int maxIconWidth = 200;
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QToolBar *m_toolBar = nullptr;
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ZoomSelector *m_zoomSelector = nullptr;
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QPdfPageSelector *m_pageSelector = nullptr;
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QPdfDocument *m_document = nullptr;
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QPdfView *m_pdfView = nullptr;
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QAction *m_actionForward = nullptr;
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QAction *m_actionBack = nullptr;
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QTreeView *m_bookmarks = nullptr;
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QListView *m_pages = nullptr;
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};
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#endif //PDFVIEWER_H
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