D26880: [Task Manager] Draw audio icon highlight effect behind the icon, not in front of it

[Filip Fila]

filipf added a comment.


  In D26880#600026 <https://phabricator.kde.org/D26880#600026>, @abetts wrote:
  
  > I would suggest a circular button instead of square.
  
  
  I also think this would look more attractive. I've already investigated the possibility and here's a few notes:
  
  - our hover/higlight effect is not made to be circular
  - we'd have to create a new CircularHighlight component or simply a new SVG for this
  - drawback: 3rd party themes wouldn't have this SVG for some time
  
  - I already tried bending the existing SVG to a circle with an opacity mask but that would only worked with filled-style highlights:
  
  F7927015: image.png <https://phabricator.kde.org/F7927015>
  F7927017: image.png <https://phabricator.kde.org/F7927017>
  
  - alternatively we could use a QML rectangle but I don't really like that approach, and not just because it's unthemable but because we won't be able to guarantee it will be legible with all themes

REPOSITORY
  R119 Plasma Desktop

REVISION DETAIL
  https://phabricator.kde.org/D26880

To: filipf, ngraham, #vdg, #plasma, hein, broulik
Cc: abetts, hein, gvgeo, plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, sebas, apol, ahiemstra, mart
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