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* Copyright (c) 2024 The FreeCAD Project Association AISBL *
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* This file is part of FreeCAD. *
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#ifndef FREECAD_START_FILECARDDELEGATE_H
#define FREECAD_START_FILECARDDELEGATE_H
#include <Base/Parameter.h>
#include <QCache>
#include <QEvent>
#include <QFileInfo>
#include <QImage>
#include <QPushButton>
#include <QStyledItemDelegate>
class FileCardDelegate: public QStyledItemDelegate
{
public:
explicit FileCardDelegate(QObject* parent = nullptr);
void paint(
QPainter* painter,
const QStyleOptionViewItem& option,
const QModelIndex& index
) const override;
QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const override;
protected:
QPixmap generateThumbnail(const QString& path) const;
private:
QString getCacheKey(const QString& path, int thumbnailSize) const;
QPixmap loadAndCacheThumbnail(const QString& path, int thumbnailSize) const;
Base::Reference<ParameterGrp> _parameterGroup;
const int margin = 11;
const int textspacing = 2;
QPushButton styleButton;
static QCache<QString, QPixmap> _thumbnailCache; // cache key structure: "path:modtime:size"
static constexpr const int CACHE_SIZE_MB = 50; // 50MB cache limit
};
#endif // FREECAD_START_FILECARDDELEGATE_H
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