Review Request 126291: initial implementation of a platform plugin for OS X (WIP)

[René J.V. Bertin]

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https://phabricator.kde.org/D5069

- René J.V. Bertin


On March 3, 2017, 6:23 p.m., René J.V. Bertin wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/126291/
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> 
> (Updated March 3, 2017, 6:23 p.m.)
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> 
> Review request for KDE Software on Mac OS X and KDE Frameworks.
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> Repository: kwindowsystem
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> Description
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> KWindowSystem has been lacking a platform plugin for OS X. This RR presents 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.
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> I have made some initial steps to remove deprecated Carbon API calls, but this is clearly a work in progress.
> 
> Open questions include
> - is there any justification to run an event handler (or Cocoa observer) to keep track of running applications, possibly even listing all their open windows?
> - is there any use for the Qt event listener framework (cf. the NETEventFilter in the X11 plugin)? I haven't yet had time to try to figure out what this "could be good for", and am very open to suggestions in this departments.
> - one application for such an event filter would be a listener that catches the opening and closing of all windows by the running process, and keeps track of their `WId`s. A new method could then be added (to `KWindowInfo`?) to distinguish `WId`s created by the running application from "foreign" ones (useful also on Wayland and MS Windows).
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> `KWindowSystem::setMainWindow` should become a front for payload provided by the plugins. I'll leave that to the regular/official maintainer(s) of this framework.
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> This code could probably do with *lots* of comments; I'll try to add them as questions about this or that bit of code arise.
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> 
> Diffs
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>   src/kwindowsystem.h 27e9e09 
>   src/kwindowsystem.cpp fda1682 
>   src/platforms/osx/CMakeLists.txt 4fc3347 
>   src/platforms/osx/cocoa.json PRE-CREATION 
>   src/platforms/osx/kkeyserver.cpp 3ddb921 
>   src/platforms/osx/kwindowinfo.cpp e8555bb 
>   src/platforms/osx/kwindowinfo.mm PRE-CREATION 
>   src/platforms/osx/kwindowinfo_mac_p.h c8f307e 
>   src/platforms/osx/kwindowinfo_p_cocoa.h PRE-CREATION 
>   src/platforms/osx/kwindowsystem.cpp 1758829 
>   src/platforms/osx/kwindowsystem_mac_p.h PRE-CREATION 
>   src/platforms/osx/kwindowsystem_macobjc.mm PRE-CREATION 
>   src/platforms/osx/kwindowsystem_p_cocoa.h PRE-CREATION 
>   src/platforms/osx/plugin.h PRE-CREATION 
>   src/platforms/osx/plugin.cpp PRE-CREATION 
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> Diff: https://git.reviewboard.kde.org/r/126291/diff/
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> Testing
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> On OS X 10.9.5 with Qt 5.5.1 and frameworks 5.16.0 .
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> 
> Thanks,
> 
> René J.V. Bertin
> 
>

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