D18000: Modernize easing function of slidingpopups effect.

davidedmundson added inline comments.

INLINE COMMENTS

> slidingpopups.cpp:130
> +
> +    data.multiplyOpacity(interpolate(0.0, 1.0, t));
> +

Have you tested this with the autohide panel. I doubt it will look good.

We want that for newly appearing windows in the middle of the screen, but not for a window that clearly comes in from offscreen. 
The current heuristic of basing that off slideLength seems to work.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D18000

To: sefaeyeoglu, #vdg, zzag, #kwin
Cc: davidedmundson, zzag, kwin, kvanton, jraleigh, GB_2, mkulinski, ragreen, jackyalcine, Pitel, iodelay, bwowk, ZrenBot, ngraham, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart