D7849: Fix the tray icon scaling on HiDPI screens

[Piotr Kosinski]

pgkos updated this revision to Diff 19592.
pgkos changed the repository for this revision from R120 Plasma Workspace to R242 Plasma Framework (Library).
pgkos added a comment.
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  Edited the function `Units::roundToIconSize` so it both accepts and outputs a dpi-scaled pixel value.
  
  This might break some things, but on the other hand there are places (other than the system tray) which also have exactly the same problem with icon scaling on hidpi screens (see e.g. https://cgit.kde.org/plasma-desktop.git/tree/applets/taskmanager/package/contents/ui/Task.qml), this patch will also fix all these other cases.

REPOSITORY
  R242 Plasma Framework (Library)

CHANGES SINCE LAST UPDATE
  https://phabricator.kde.org/D7849?vs=19585&id=19592

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

AFFECTED FILES
  src/declarativeimports/core/units.cpp

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