File indexing completed on 2025-01-19 03:59:22

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2012-05-07
  * Description : Item delegate for import interface items.
  *
  * SPDX-FileCopyrightText: 2012      by Islam Wazery <wazery at ubuntu dot com>
  * SPDX-FileCopyrightText: 2012-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_ITEM_VIEW_IMPORT_DELEGATE_H
 #define DIGIKAM_ITEM_VIEW_IMPORT_DELEGATE_H
 
 // Local includes
 
 #include "thumbnailsize.h"
 #include "ditemdelegate.h"
 #include "itemdelegateoverlay.h"
 
 namespace Digikam
 {
 
 class ImportCategoryDrawer;
 class ImportCategorizedView;
 class ImportFilterModel;
 class ImportItemModel;
 class ItemViewImportDelegatePrivate;
 
 /// NOTE: Some reuse of the existing model-view classes.
 
 class ItemViewImportDelegate : public DItemDelegate, public ItemDelegateOverlayContainer
 {
     Q_OBJECT
 
 public:
 
     explicit ItemViewImportDelegate(QWidget* const parent);
     ~ItemViewImportDelegate() override;
 
     ThumbnailSize thumbnailSize()                                                     const;
     double        displayRatio()                                                      const;
     int           spacing()                                                           const;
     QRect         rect()                                                              const;
 
     QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index)      const override;
     QSize gridSize() const override;
 
     /// reimplemented from DItemDelegate
 
     void setThumbnailSize(const ThumbnailSize& thumbSize) override;
     void setSpacing(int spacing) override;
     void setDefaultViewOptions(const QStyleOptionViewItem& option) override;
     bool acceptsToolTip(const QPoint& pos, const QRect& visualRect,
                         const QModelIndex& index, QRect* tooltipRect = nullptr)       const override;
     bool acceptsActivation(const QPoint& pos, const QRect& visualRect,
                            const QModelIndex& index, QRect* activationRect = nullptr) const override;
 
     /**
      * Returns the area where the pixmap is drawn,
      * or null if not supported
      */
     virtual QRect pixmapRect()                                                        const;
 
     /**
      * Returns the area where the image information is drawn,
      * or null if empty / not supported.
      * The image information is textual or graphical information,
      * but not the pixmap. The ratingRect() will e.g. typically
      * be contained in this area.
      */
     virtual QRect imageInformationRect()                                              const;
 
     /**
      * Can be used to temporarily disable drawing of the rating.
      * Call with QModelIndex() afterwards.
      */
     void setRatingEdited(const QModelIndex& index);
 
     /**
      * Returns the rectangle where the rating is drawn,
      * or a null rectangle if not supported.
      */
     virtual QRect ratingRect() const;
 
     void mouseMoved(QMouseEvent* e, const QRect& visualRect, const QModelIndex& index)      override;
 
 protected Q_SLOTS:
 
     void slotThemeChanged();
     void slotSetupChanged();
 
     void overlayDestroyed(QObject* o)                                                       override;
 
 Q_SIGNALS:
 
     void requestNotification(const QModelIndex& index, const QString& message);
     void hideNotification();
 
 protected:
 
     /// Use the tool methods for painting in subclasses
     QRect drawThumbnail(QPainter* p, const QRect& thumbRect, const QPixmap& background, const QPixmap& thumbnail) const;
     void drawRating(QPainter* p, const QModelIndex& index, const QRect& ratingRect, int rating, bool isSelected)  const;
     void drawName(QPainter* p,const QRect& nameRect, const QString& name)                                         const;
     void drawCreationDate(QPainter* p, const QRect& dateRect, const QDateTime& date)                              const;
     void drawImageSize(QPainter* p, const QRect& dimsRect, const QSize& dims)                                     const;
     void drawImageFormat(QPainter* p, const QRect& dimsRect, const QString& mime)                                 const;
     void drawFileSize(QPainter* p, const QRect& r, qlonglong bytes)                                               const;
     void drawTags(QPainter* p, const QRect& r, const QString& tagsString, bool isSelected)                        const;
     void drawGroupIndicator(QPainter* p, const QRect& r, int numberOfGroupedImages, bool open)                    const;
     void drawPickLabelIcon(QPainter* p, const QRect& r, int pickLabel)                                            const;
     void drawColorLabelRect(QPainter* p, const QStyleOptionViewItem& option,bool isSelected, int colorId)         const;
     void drawGeolocationIndicator(QPainter* p, const QRect& r)                                                    const;
     void drawDownloadIndicator(QPainter* p, const QRect& r, int itemType)                                         const;
     void drawLockIndicator(QPainter* p, const QRect& r, int lockStatus)                                           const;
     void drawFocusRect(QPainter* p, const QStyleOptionViewItem& option, bool isSelected)                          const;
     void drawMouseOverRect(QPainter* p, const QStyleOptionViewItem& option)                                       const;
     void prepareFonts();
     void prepareMetrics(int maxWidth);
     void prepareBackground();
     void prepareRatingPixmaps(bool composeOverBackground = true);
 
     /// Returns the relevant pixmap from the cached rating pixmaps
     QPixmap ratingPixmap(int rating, bool selected) const;
 
     QAbstractItemDelegate* asDelegate() override;
 
     /// reimplement these in subclasses
     virtual void invalidatePaintingCache();
     virtual void updateSizeRectsAndPixmaps() = 0;
 
 protected:
 
     ItemViewImportDelegatePrivate* const d_ptr;
     ItemViewImportDelegate(ItemViewImportDelegatePrivate& dd, QWidget* const parent);
 
 private:
 
     // Disable
     ItemViewImportDelegate(const ItemViewImportDelegate&)            = delete;
     ItemViewImportDelegate& operator=(const ItemViewImportDelegate&) = delete;
 
 private:
 
     Q_DECLARE_PRIVATE(ItemViewImportDelegate)
 };
 
 } // namespace Digikam
 
 #endif // DIGIKAM_ITEM_VIEW_IMPORT_DELEGATE_H