D16676: [server] Put text-input (de-)activate, en-/disable callbacks in child classes

[Vlad Zagorodniy]

zzag accepted this revision.

REPOSITORY
  R127 KWayland

BRANCH
  textInputActivateEnable

REVISION DETAIL
  https://phabricator.kde.org/D16676

To: romangg, #kwin, #frameworks, davidedmundson, zzag
Cc: zzag, kde-frameworks-devel, michaelh, ngraham, bruns