139 lines
4.1 KiB
C++
139 lines
4.1 KiB
C++
#ifndef COVEREDIT_H
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#define COVEREDIT_H
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#include "./previousvaluehandling.h"
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#include <tagparser/tag.h>
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#include <QSize>
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#include <QWidget>
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#include <memory>
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QT_FORWARD_DECLARE_CLASS(QEvent)
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QT_FORWARD_DECLARE_CLASS(QGraphicsScene)
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QT_FORWARD_DECLARE_CLASS(QGraphicsTextItem)
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QT_FORWARD_DECLARE_CLASS(QGraphicsPixmapItem)
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QT_FORWARD_DECLARE_CLASS(QGraphicsRectItem)
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#define TAGEDITOR_ENUM_CLASS enum class
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namespace TagParser {
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class Tag;
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class TagValue;
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TAGEDITOR_ENUM_CLASS KnownField : unsigned int;
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} // namespace TagParser
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namespace QtGui {
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TAGEDITOR_ENUM_CLASS PreviousValueHandling : int;
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#undef TAGEDITOR_ENUM_CLASS
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namespace Ui {
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class PicturePreviewSelection;
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class ImageConversionDialog;
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} // namespace Ui
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class PicturePreviewSelection : public QWidget {
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Q_OBJECT
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public:
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explicit PicturePreviewSelection(
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TagParser::Tag *tag = nullptr, TagParser::KnownField field = TagParser::KnownField::Invalid, QWidget *parent = nullptr);
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~PicturePreviewSelection() override;
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TagParser::Tag *tag() const;
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TagParser::KnownField field() const;
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public Q_SLOTS:
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bool setTagField(TagParser::Tag *tag, TagParser::KnownField field, PreviousValueHandling previousValueHandling = PreviousValueHandling::Clear);
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bool setValue(const TagParser::TagValue &value, PreviousValueHandling previousValueHandling = PreviousValueHandling::Clear);
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void apply();
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void clear();
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void addOfSelectedType();
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void addOfSelectedType(const QString &path);
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#ifndef QT_NO_CLIPBOARD
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void pasteOfSelectedTypeAsJpeg();
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void pasteOfSelectedTypeAsPng();
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void pasteOfSelectedType(const char *format);
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#endif
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void removeSelected();
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void extractSelected();
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void displaySelected();
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void changeMimeTypeOfSelected();
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void convertSelected();
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void setCoverButtonsHidden(bool hideCoverButtons);
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Q_SIGNALS:
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void pictureChanged();
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protected:
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void changeEvent(QEvent *event) override;
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void resizeEvent(QResizeEvent *event) override;
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void dragEnterEvent(QDragEnterEvent *event) override;
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void dropEvent(QDropEvent *event) override;
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private Q_SLOTS:
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void typeSwitched(std::size_t index);
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void updateDescription(std::size_t newIndex);
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void updateDescription(std::size_t lastIndex, std::size_t newIndex);
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void updatePreview(std::size_t index);
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void showContextMenu(const QPoint &position);
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private:
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bool setup(PreviousValueHandling previousValueHandling = PreviousValueHandling::Clear);
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void updateSizeAndMimeType(std::size_t fileSize, const QSize &resolution, const QString &mimeType);
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QImage convertTagValueToImage(const TagParser::TagValue &value);
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void assignImageToTagValue(const QImage &image, TagParser::TagValue &tagValue, const char *format);
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std::unique_ptr<Ui::PicturePreviewSelection> m_ui;
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std::unique_ptr<Ui::ImageConversionDialog> m_imageConversionUI;
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QDialog *m_imageConversionDialog;
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QGraphicsScene *m_scene;
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QGraphicsTextItem *m_textItem;
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QPixmap m_pixmap;
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QGraphicsPixmapItem *m_pixmapItem;
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QGraphicsRectItem *m_rectItem;
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TagParser::Tag *m_tag;
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TagParser::KnownField m_field;
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std::vector<TagParser::TagValue> m_values;
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std::size_t m_currentFileSize;
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QSize m_currentResolution;
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QString m_currentMimeType;
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std::size_t m_currentTypeIndex;
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};
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/*!
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* \brief Returns the tied tag if one is assigned; returns nullptr otherwise.
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*
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* This might have been set initially using the constructor or using the setTagField() method.
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*/
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inline TagParser::Tag *PicturePreviewSelection::tag() const
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{
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return m_tag;
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}
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/*!
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* \brief Returns the field. This is commonly KnownField::Cover.
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*/
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inline TagParser::KnownField PicturePreviewSelection::field() const
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{
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return m_field;
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}
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/*!
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* \brief Sets the specified \a tag, \a field and \a previousValueHandling.
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*
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* If \a tag is nullptr the widget is disabled. The widget will be re-setup.
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*/
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inline bool PicturePreviewSelection::setTagField(TagParser::Tag *tag, TagParser::KnownField field, PreviousValueHandling previousValueHandling)
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{
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m_tag = tag;
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m_field = field;
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return setup(previousValueHandling);
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}
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} // namespace QtGui
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#endif // COVEREDIT_H
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