https://bugs.kde.org/show_bug.cgi?id=462307
--- Comment #15 from Benjamin Buch <benni.b...@gmail.com> ---
The actual bug seems to be in `QItemDelegate::paint`. There a `decorationRect`
is calculated which apparently ignores the `devicePixelRatio` property. The
following workaround draws the icon in the right size and at the right place.
However, they become blurred.
diff --git a/app/Panel/PanelView/listmodel.cpp
b/app/Panel/PanelView/listmodel.cpp
index d6ad6c5f..209fcfb8 100644
--- a/app/Panel/PanelView/listmodel.cpp
+++ b/app/Panel/PanelView/listmodel.cpp
@@ -177,7 +177,18 @@ QVariant ListModel::data(const QModelIndex& index, int
role) const
if (properties()->displayIcons) {
if (_justForSizeHint)
return QPixmap(_view->fileIconSize(),
_view->fileIconSize());
- return _view->getIcon(fileitem);
+ auto pixmap = _view->getIcon(fileitem);
+
+ // BUG 462307 Workaround BEGIN
+ // KrViewItemDelegate::paint does the paint by
QItemDelegate::paint
+ // which seams to have a bug that ignores the
devicePixelRatio
+ // in calculating the decorationRect
+ pixmap = pixmap.scaled(pixmap.size() /
pixmap.devicePixelRatio(),
+ Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+ pixmap.setDevicePixelRatio(1);
+ // BUG 462307 Workaround END
+
+ return pixmap;
}
break;
}
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