D7849: Fix the tray icon scaling on HiDPI screens

[Piotr Kosinski]

pgkos added a comment.


  In my opinion, roundToIconSize should operate on scaled units - it is used multiple times in a few plasmoids - all calls from them to roundToIconSize assume it will operate on scaled units.
  
  The method, as it is now, is useless, because QML code has no access to KIconLoader sizes and devicePixelIconSize() method, so it cannot operate on unscaled units or convert them on the fly.

REPOSITORY
  R242 Plasma Framework (Library)

REVISION DETAIL
  https://phabricator.kde.org/D7849

To: pgkos, #plasma
Cc: ngraham, anthonyfieroni, broulik, #frameworks, davidedmundson, plasma-devel, michaelh, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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