[Differential] [Request, 222 lines] D2793: Implement show on screen edge for Wayland

[graesslin (Martin Gräßlin)]

graesslin created this revision.
graesslin added reviewers: KWin, Plasma on Wayland.
Restricted Application added subscribers: kwin, plasma-devel.
Restricted Application added projects: Plasma on Wayland, KWin.

REVISION SUMMARY
  This change ports ScreenEdges to operate on AbstractClient instead of
  Client. For this AbstractClient gained a new pure virtual method
  showOnScreenEdge which is also implemented in ShellClient.
  
  In ShellClient the functionality is bound for the case windows can
  cover a panel. If triggered the panel gets raised again.
  
  The auto hiding panel, though, is not yet implemented. For that the
  protocol needs to be adjusted to give a hint to the compositor when to
  hide and hint back to the panel when it was shown. This needs a change
  in KWayland and thus is not 5.8 material.

TEST PLAN
  See added test case

REPOSITORY
  rKWIN KWin

BRANCH
  shell-client-shown-on-edge

REVISION DETAIL
  https://phabricator.kde.org/D2793

AFFECTED FILES
  abstract_client.h
  autotests/integration/plasma_surface_test.cpp
  autotests/mock_abstract_client.h
  autotests/mock_client.h
  client.h
  screenedge.cpp
  screenedge.h
  shell_client.cpp
  shell_client.h

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: graesslin, #kwin, #plasma_on_wayland
Cc: plasma-devel, kwin, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas
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