D19411: [wayland] Apply window rules only to xdg-shell clients

zzag created this revision.
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REVISION SUMMARY
  There are rules that have to be applied only once, e.g. every Remember
  and Apply Initially rule, as well any rule that involves configuring
  the client. In the best scenario the compositor would evaluate such rules
  when the client is about to be mapped.
  
  This change limits window rules only to xdg-shell clients because right
  now only this protocol lets compositors intervene in the client
  initialization process. Also, it makes things a bit easier for us on the
  compositor side.
  
  Though not all issues are addressed with xdg-shell protocol. There is no
  way for a client to express its intent to be mapped. Thus if a client is
  mapped more than once, then the compositor won't be able to re-evaluate
  remember rules for example. In order to make this work we need changes
  in the protocol.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D19411

AFFECTED FILES
  abstract_client.cpp
  abstract_client.h
  internal_client.cpp
  internal_client.h
  shell_client.cpp
  shell_client.h
  useractions.cpp

To: zzag, #kwin
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