D18649: [GridViewKCM] improve contrast and legibility for delegates' inline hover buttons

[Nathaniel Graham]

ngraham added a subscriber: andreask.
ngraham added a comment.


  This is a variant of the issue we've seen with desktop icons and UI elements on the login screen: there is no way to ensure legibility against arbitrary backgrounds without a contrast-adding element of some sort, like a shadow or a flat color background There is no other way.
  
  Now, that doesn't mean that the contrast element needs to be a horizontal bar at the bottom of the delegate like I've got it here. @andreask posted a mockup of something that looked pretty nice to me:
  
  F6582097: Screenshot_20190201_163049.png <https://phabricator.kde.org/F6582097>
  
  But there has to be //some// contrast-adding element, or else it is inevitable that the icon will be illegible with some backgrounds.

REPOSITORY
  R296 KDeclarative

REVISION DETAIL
  https://phabricator.kde.org/D18649

To: ngraham, #vdg, #plasma, broulik
Cc: andreask, filipf, abetts, GB_2, kde-frameworks-devel, michaelh, ngraham, bruns
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