D18818: virtualkeyboard: resize the focused window to make room for the keyboard

mart added a comment.


  so, as an attempt on the "maximizing" suggestion, sets the client to MaximizeFull" and sets a rect of the keyboard, which would act kind of a strut when maximized.
  Ideally, it should maximize only vertically, but that's not supported on wayland yet, so that's  for another day
  
  doing that, i seen that in changeMaximize it was always unconditionally  saving restoreGeometry even if was already maximizeFull, which seemed wrong (and did make the patch not work) i think caused some oddness also during panel resizing

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D18818

To: mart, #plasma, #kwin, bshah, graesslin, romangg
Cc: nicolasfella, mart, kwin, davidedmundson, graesslin, jraleigh, GB_2, mkulinski, ragreen, jackyalcine, Pitel, iodelay, bwowk, ZrenBot, ngraham, alexeymin, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol