File indexing completed on 2024-04-28 04:21:21

 // SPDX-FileCopyrightText: 2003-2020 Jesper K. Pedersen <blackie@kde.org>
 // SPDX-FileCopyrightText: 2022 Johannes Zarl-Zierl <johannes@zarl-zierl.at>
 //
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "CellGeometry.h"
 
 #include "ThumbnailModel.h"
 #include "ThumbnailWidget.h"
 
 #include <DB/ImageDB.h>
 #include <kpabase/SettingsData.h>
 
 #include <KLocalizedString>
 
 using Utilities::StringSet;
 
 ThumbnailView::CellGeometry::CellGeometry(ThumbnailFactory *factory)
     : ThumbnailComponent(factory)
 {
 }
 
 /**
  * Return desired size of the pixmap
  */
 QSize ThumbnailView::CellGeometry::preferredIconSize()
 {
     int width = Settings::SettingsData::instance()->actualThumbnailSize();
     int height = width * Settings::SettingsData::instance()->getThumbnailAspectRatio();
     return QSize(width, height);
 }
 
 /**
  * Return base size of the pixmap.
  * I.e. the unscaled thumbnail size, as it is set in the settings page.
  */
 QSize ThumbnailView::CellGeometry::baseIconSize()
 {
     int width = Settings::SettingsData::instance()->thumbnailSize();
     int height = width * Settings::SettingsData::instance()->getThumbnailAspectRatio();
     return QSize(width, height);
 }
 
 /**
  * Return the geometry for the icon in the cell. The coordinates are relative to the cell.
  */
 QRect ThumbnailView::CellGeometry::iconGeometry(const QPixmap &pixmap) const
 {
     const QSize cellSize = preferredIconSize();
     const int space = Settings::SettingsData::instance()->thumbnailSpace() + 5; /* 5 pixels for 3d effect */
     int width = cellSize.width() - space;
 
     int xoff = space / 2 + qMax(0, (width - pixmap.width()) / 2);
     int yoff = space / 2 + cellSize.height() - pixmap.height();
     return QRect(QPoint(xoff, yoff), pixmap.size());
 }
 
 /**
  * Return the height of the text under the thumbnails.
  */
 int ThumbnailView::CellGeometry::textHeight() const
 {
     if (!m_cacheInitialized)
         const_cast<CellGeometry *>(this)->flushCache();
 
     return m_textHeight;
 }
 
 QSize ThumbnailView::CellGeometry::cellSize() const
 {
     if (!m_cacheInitialized)
         const_cast<CellGeometry *>(this)->flushCache();
     return m_cellSize;
 }
 
 QRect ThumbnailView::CellGeometry::cellTextGeometry() const
 {
     if (!m_cacheInitialized)
         const_cast<CellGeometry *>(this)->flushCache();
     return m_cellTextGeometry;
 }
 
 void ThumbnailView::CellGeometry::flushCache()
 {
     m_cacheInitialized = true;
     calculateTextHeight();
     calculateCellSize();
     calculateCellTextGeometry();
 }
 
 void ThumbnailView::CellGeometry::calculateTextHeight()
 {
     static const QString folder(i18n("Folder"));
     m_textHeight = 0;
 
     const int charHeight = QFontMetrics(widget()->font()).height();
     if (Settings::SettingsData::instance()->displayLabels())
         m_textHeight += charHeight + 2;
 
     if (Settings::SettingsData::instance()->displayCategories()) {
         int maxCatsInText = 0;
         const auto images = model()->imageList(ViewOrder);
         for (const DB::FileName &fileName : images) {
             const DB::ImageInfoPtr info = DB::ImageDB::instance()->info(fileName);
             int grps = info->availableCategories().length();
             if (grps > maxCatsInText - 2) {
                 grps -= info->itemsOfCategory(folder).empty() ? 1 : 2;
                 if (grps > maxCatsInText)
                     maxCatsInText = grps;
             }
         }
 
         m_textHeight += charHeight * maxCatsInText + 5;
     }
 }
 
 void ThumbnailView::CellGeometry::calculateCellSize()
 {
     const QSize iconSize = preferredIconSize();
     const int height = iconSize.height() + 2 + m_textHeight;
     const int space = Settings::SettingsData::instance()->thumbnailSpace() + 5; /* 5 pixels for 3d effect */
     m_cellSize = QSize(iconSize.width() + space, height + space);
 }
 
 void ThumbnailView::CellGeometry::calculateCellTextGeometry()
 {
     if (!Settings::SettingsData::instance()->displayLabels() && !Settings::SettingsData::instance()->displayCategories())
         m_cellTextGeometry = QRect();
     else {
         const int h = m_textHeight;
         m_cellTextGeometry = QRect(1, m_cellSize.height() - h - 1, m_cellSize.width() - 2, h);
     }
 }
 
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