mirror of
https://github.com/JakubMelka/PDF4QT.git
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114 lines
4.8 KiB
C++
114 lines
4.8 KiB
C++
// Copyright (C) 2023 Jakub Melka
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//
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// This file is part of PDF4QT.
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//
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// PDF4QT 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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// with the written consent of the copyright owner, any later version.
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//
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// PDF4QT 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 PDF4QT. If not, see <https://www.gnu.org/licenses/>.
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#ifndef PDFWIDGETANNOTATION_H
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#define PDFWIDGETANNOTATION_H
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#include "pdfwidgetsglobal.h"
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#include "pdfannotation.h"
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#include "pdfdocumentdrawinterface.h"
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namespace pdf
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{
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class PDFDrawWidgetProxy;
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/// Annotation manager for GUI rendering, it also manages annotations widgets
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/// for parent widget.
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class PDF4QTLIBWIDGETSSHARED_EXPORT PDFWidgetAnnotationManager : public PDFAnnotationManager, public IDrawWidgetInputInterface, public IDocumentDrawInterface
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{
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Q_OBJECT
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private:
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using BaseClass = PDFAnnotationManager;
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public:
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explicit PDFWidgetAnnotationManager(PDFDrawWidgetProxy* proxy, QObject* parent);
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virtual ~PDFWidgetAnnotationManager() override;
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virtual void setDocument(const PDFModifiedDocument& document) override;
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virtual void shortcutOverrideEvent(QWidget* widget, QKeyEvent* event) override;
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virtual void keyPressEvent(QWidget* widget, QKeyEvent* event) override;
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virtual void keyReleaseEvent(QWidget* widget, QKeyEvent* event) override;
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virtual void mousePressEvent(QWidget* widget, QMouseEvent* event) override;
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virtual void mouseDoubleClickEvent(QWidget* widget, QMouseEvent* event) override;
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virtual void mouseReleaseEvent(QWidget* widget, QMouseEvent* event) override;
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virtual void mouseMoveEvent(QWidget* widget, QMouseEvent* event) override;
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virtual void wheelEvent(QWidget* widget, QWheelEvent* event) override;
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virtual void drawPage(QPainter* painter,
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PDFInteger pageIndex,
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const PDFPrecompiledPage* compiledPage,
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PDFTextLayoutGetter& layoutGetter,
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const QTransform& pagePointToDevicePointMatrix,
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const PDFColorConvertor& convertor,
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QList<PDFRenderError>& errors) const override;
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/// Returns tooltip generated from annotation
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virtual QString getTooltip() const override { return m_tooltip; }
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/// Returns current cursor
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virtual const std::optional<QCursor>& getCursor() const override { return m_cursor; }
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virtual int getInputPriority() const override { return AnnotationPriority; }
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void showAnnotationMenu(pdf::PDFObjectReference annotationReference,
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pdf::PDFObjectReference pageReference,
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QPoint globalMenuPosition);
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signals:
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void actionTriggered(const PDFAction* action);
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void documentModified(PDFModifiedDocument document);
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private:
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void updateFromMouseEvent(QMouseEvent* event);
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void onShowPopupAnnotation();
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void onCopyAnnotation();
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void onEditAnnotation();
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void onDeleteAnnotation();
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/// Creates dialog for markup annotations. This function is used only for markup annotations,
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/// do not use them for other annotations (function can crash).
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/// \param widget Dialog's parent widget
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/// \param pageAnnotation Markup annotation
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/// \param pageAnnotations Page annotations
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QDialog* createDialogForMarkupAnnotations(PDFWidget* widget,
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const PageAnnotation& pageAnnotation,
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const PageAnnotations& pageAnnotations);
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/// Creates widgets for markup annotation main popup widget. Also sets
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/// default size of parent widget.
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/// \param parentWidget Parent widget, where widgets are created
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/// \param pageAnnotation Markup annotation
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/// \param pageAnnotations Page annotations
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void createWidgetsForMarkupAnnotations(QWidget* parentWidget,
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const PageAnnotation& pageAnnotation,
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const PageAnnotations& pageAnnotations);
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PDFDrawWidgetProxy* m_proxy;
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QString m_tooltip;
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std::optional<QCursor> m_cursor;
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QPoint m_editableAnnotationGlobalPosition; ///< Position, where action on annotation was executed
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PDFObjectReference m_editableAnnotation; ///< Annotation to be edited or deleted
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PDFObjectReference m_editableAnnotationPage; ///< Page of annotation above
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};
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} // namespace pdf
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#endif // PDFWIDGETANNOTATION_H
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