D5069: initial implementation of a platform plugin for OS X

[René J.V. Bertin]

rjvbb created this revision.
rjvbb added a project: Frameworks.

REVISION SUMMARY
  KWindowSystem has been and is still lacking a platform plugin for OS X. A ReviewBoard RR has been up with a "backport" of the modified KDE4 KWindowSystem implementation that has been used in the MacPorts kdelibs4 port for the last 2 or 3 (or more) years. This is a continuation of that request, still open at https://git.reviewboard.kde.org/r/126291
  
  There's 1 outstanding issue on that RR (https://git.reviewboard.kde.org/r/126291/#comment68028). I have also reintroduced a small change to `KWindowSystem::setMainWindow()` so that it doesn't cause crashing. Ideally this function would be part of the backend but that's too big of a change to graft on the current patch.

TEST PLAN
  Thoroughly tested up to and include with Qt 5.8.0 and KF5 Frameworks 5.32.0
  
  The Mac backend code also contains a number of experimental functions that have been deactivated with #ifdefs . At this point I cannot assess their true potential importance; I do not seem to miss them for now but it certainly wouldn't hurt for instance to be able to map windows to applications.
  I'd vote to leave in the code in question until it's clearer from feedback whether or not we need it.

REPOSITORY
  R278 KWindowSystem

REVISION DETAIL
  https://phabricator.kde.org/D5069

AFFECTED FILES
  src/kwindowsystem.cpp
  src/kwindowsystem.h
  src/platforms/osx/CMakeLists.txt
  src/platforms/osx/cocoa.json
  src/platforms/osx/kkeyserver.cpp
  src/platforms/osx/kwindowinfo.cpp
  src/platforms/osx/kwindowinfo.mm
  src/platforms/osx/kwindowinfo_mac_p.h
  src/platforms/osx/kwindowinfo_p_cocoa.h
  src/platforms/osx/kwindowsystem.cpp
  src/platforms/osx/kwindowsystem_mac_p.h
  src/platforms/osx/kwindowsystem_macobjc.mm
  src/platforms/osx/kwindowsystem_p_cocoa.h
  src/platforms/osx/plugin.cpp
  src/platforms/osx/plugin.h

To: rjvbb, #frameworks
Cc: kde-mac, #frameworks
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