162 lines
3.8 KiB
C++
162 lines
3.8 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 <QWidget>
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#include <QGraphicsScene>
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#include <QGraphicsView>
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#include <memory>
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QT_FORWARD_DECLARE_CLASS(QEvent)
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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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namespace Media {
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class Tag;
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class TagValue;
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DECLARE_ENUM_CLASS(KnownField, unsigned int);
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}
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namespace QtGui {
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DECLARE_ENUM_CLASS(PreviousValueHandling, int);
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namespace Ui {
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class PicturePreviewSelection;
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}
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class PicturePreviewScene : public QGraphicsScene
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{
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Q_OBJECT
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public:
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PicturePreviewScene(QObject *parent = nullptr);
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signals:
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void displayRequested();
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protected:
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void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent);
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};
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inline PicturePreviewScene::PicturePreviewScene(QObject *parent) :
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QGraphicsScene(parent)
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{
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}
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class PicturePreview : public QGraphicsView
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{
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Q_OBJECT
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public:
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PicturePreview(QWidget *parent = nullptr);
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signals:
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void displayRequested();
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protected:
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void mousePressEvent(QMouseEvent *mouseEvent);
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};
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inline PicturePreview::PicturePreview(QWidget *parent) :
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QGraphicsView(parent)
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{
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}
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class PicturePreviewSelection : public QWidget
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{
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Q_OBJECT
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public:
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explicit PicturePreviewSelection(Media::Tag *tag = nullptr, Media::KnownField field = Media::KnownField::Invalid, QWidget *parent = nullptr);
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~PicturePreviewSelection();
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Media::Tag *tag() const;
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Media::KnownField field() const;
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public slots:
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void setTagField(Media::Tag *tag, Media::KnownField field, PreviousValueHandling previousValueHandling = PreviousValueHandling::Clear);
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void setValue(const Media::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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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 setCoverButtonsHidden(bool hideCoverButtons);
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signals:
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void pictureChanged();
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protected:
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void changeEvent(QEvent *event);
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void resizeEvent(QResizeEvent *event);
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void dragEnterEvent(QDragEnterEvent *event);
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void dropEvent(QDropEvent *event);
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void mouseDoubleClickEvent(QMouseEvent *event);
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bool eventFilter(QObject *watched, QEvent *event);
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private slots:
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void typeSwitched(int index);
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void updateDescription(int newIndex);
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void updateDescription(int lastIndex, int newIndex);
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void updatePreview(int index);
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void showContextMenu();
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private:
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void setup(PreviousValueHandling previousValueHandling = PreviousValueHandling::Clear);
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std::unique_ptr<Ui::PicturePreviewSelection> m_ui;
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PicturePreviewScene *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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Media::Tag *m_tag;
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Media::KnownField m_field;
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QList<Media::TagValue> m_values;
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int 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 Media::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 Media::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 void PicturePreviewSelection::setTagField(Media::Tag *tag, Media::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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setup(previousValueHandling);
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}
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}
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#endif // COVEREDIT_H
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