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SongSourceDelegate: Respect device pixel ratio

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This commit is contained in:
Jonas Kvinge
2023-03-29 00:04:34 +02:00
parent 92adc18b8f
commit 1d3a837f7a
2 changed files with 8 additions and 13 deletions
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19
src/playlist/playlistdelegates.cpp
View File

@@ -471,17 +471,17 @@ QString SongSourceDelegate::displayText(const QVariant &value, const QLocale&) c
return QString(); return QString();
} }
QPixmap SongSourceDelegate::LookupPixmap(const Song::Source source, const QSize size) const { QPixmap SongSourceDelegate::LookupPixmap(const Song::Source source, const QSize size, const qreal device_pixel_ratio) const {
QPixmap pixmap; QPixmap pixmap;
QString cache_key = QString("%1-%2x%3").arg(Song::TextForSource(source)).arg(size.width()).arg(size.height()); const QString pixmap_cache_key = QString("%1-%2x%3-%4").arg(Song::TextForSource(source)).arg(size.width()).arg(size.height()).arg(device_pixel_ratio);
if (QPixmapCache::find(cache_key, &pixmap)) { if (QPixmapCache::find(pixmap_cache_key, &pixmap)) {
return pixmap; return pixmap;
} }
QIcon icon(Song::IconForSource(source)); QIcon icon(Song::IconForSource(source));
pixmap = icon.pixmap(size.height()); pixmap = icon.pixmap(size, device_pixel_ratio);
QPixmapCache::insert(cache_key, pixmap); QPixmapCache::insert(pixmap_cache_key, pixmap);
return pixmap; return pixmap;
@@ -495,16 +495,11 @@ void SongSourceDelegate::paint(QPainter *painter, const QStyleOptionViewItem &op
QStyleOptionViewItem option_copy(option); QStyleOptionViewItem option_copy(option);
initStyleOption(&option_copy, idx); initStyleOption(&option_copy, idx);
const Song::Source source = static_cast<Song::Source>(idx.data().toInt()); const QPixmap pixmap = LookupPixmap(idx.data().value<Song::Source>(), option_copy.decorationSize, qobject_cast<QWidget*>(parent())->devicePixelRatioF());
QPixmap pixmap = LookupPixmap(source, option_copy.decorationSize);
QWidget *parent_widget = qobject_cast<QWidget*>(parent());
qreal device_pixel_ratio = parent_widget->devicePixelRatio();
// Draw the pixmap in the middle of the rectangle // Draw the pixmap in the middle of the rectangle
QRect draw_rect(QPoint(0, 0), option_copy.decorationSize / device_pixel_ratio); QRect draw_rect(QPoint(0, 0), option_copy.decorationSize);
draw_rect.moveCenter(option_copy.rect.center()); draw_rect.moveCenter(option_copy.rect.center());
painter->drawPixmap(draw_rect, pixmap); painter->drawPixmap(draw_rect, pixmap);
} }

2
src/playlist/playlistdelegates.h
View File

@@ -201,7 +201,7 @@ class SongSourceDelegate : public PlaylistDelegateBase {
void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &idx) const override; void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &idx) const override;
private: private:
QPixmap LookupPixmap(const Song::Source source, const QSize size) const; QPixmap LookupPixmap(const Song::Source source, const QSize size, const qreal device_pixel_ratio) const;
}; };
class RatingItemDelegate : public PlaylistDelegateBase { class RatingItemDelegate : public PlaylistDelegateBase {