> On nov. 15, 2014, 8:41 a.m., Martin Gräßlin wrote:
> > kdeui/tests/kwindowtest.cpp, lines 218-239
> > <https://git.reviewboard.kde.org/r/120931/diff/2/?file=328515#file328515line218>
> >
> >     please note that your test application is fragile as it's based on 
> > sleep which is dangerous on an async windowing system.
> >     
> >     If you want to perform proper tests have a look at the auto-tests in 
> > KWindowSystem framework. I would be very pleased if it gets an OSX port and 
> > also the auto-tests adjusted.
> 
> René J.V. Bertin wrote:
>     Concerning KF5: there is currently only 1 person who could check if these 
> modifications *compile* and possibly if a well-written test succeeds - Marko.
>     It is my understanding that improving existing features (like OS X 
> support) falls in the category of bug fixes according to Albert Astals's 
> definitions. If this gets committed to an OS X specific branch that's fine 
> with me too.
>     
>     Considering the test: I don't think the test application does async 
> things and I'm not even sure if it really has an event loop. But you're 
> right, using sleep is a very quick hack that I ought to have replaced by 
> something using QTimer or equivalent. Note however that this is an addition 
> to an existing test case from KWindowSystem; where are the auto-tests that 
> you mention?
> 
> Martin Gräßlin wrote:
>     > according to Albert Astals's definitions.
>     
>     if Albert acks this change than I'm happy as well. But please note that 
> I'm highly concerned about the changes getting lost due to increasing 
> differences between 4.x and 5.x. Personally I would say the changes should go 
> into frameworks first and be backported to 4.x and not the other way around.
>     
>     > I don't think the test application does async things
>     
>     yes they do :-) On X11 calls like setCurrentDesktop are async.
>     
>     > where are the auto-tests that you mention?
>     
>     in frameworks.
> 
> René J.V. Bertin wrote:
>     > I'm highly concerned about the changes getting lost due to increasing 
> differences between 4.x and 5.x
>     
>     Me too, to be honest. The problem with introducing this kind of changes 
> into KF5 first is that they cannot be tested (I cannot even compile them). 
> Given the amount of work remaining to make KF5 accessible (and even appealing 
> on OS X in my very personal opinion), it really is better to concentrate on 
> improving KD4-Mac first. There are actually people using it for other things 
> than just KDE development (including myself) so the testing I mention is not 
> just on a single dev's machine with his/her usage cases.
>     I can of course try to port the changes I make to the KF5 equivalent; I 
> did that with the 1st set of changes I made to KWallet, and it usually isn't 
> very difficult as (for some unknown reason ;)) the Mac-specific code has 
> hardly changed in KF5. But as I said, I cannot even compile it (and that's 
> unlikely to change in the foreseeable future).
>     
>     > yes they do :-) On X11 calls like setCurrentDesktop are async.
>     
>     Because they go through the DBus? How economic :)
>     
>     I'm guessing there's little interest in trying to backport the relevant 
> auto-test from KF5?
> 
> Thomas Lübking wrote:
>     No, because X11 is async by design. To ensure sync, one needs to call 
> XSync(dpy,false) (and xcb_flush as well).
> 
> René J.V. Bertin wrote:
>     Doh. I knew that of course ...

Since my name has been said: Yes i think that if we have a bugfix, it should go 
into *all* the releases we support (that includes kdelibs 4.14).

As for losing the change for the future, yes that is worrying, there's a few of 
the Mac changes that the Mac people need to remember to forwardport.


- Albert


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On nov. 14, 2014, 11:04 p.m., René J.V. Bertin wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/120931/
> -----------------------------------------------------------
> 
> (Updated nov. 14, 2014, 11:04 p.m.)
> 
> 
> Review request for KDE Software on Mac OS X and kdelibs.
> 
> 
> Repository: kdelibs
> 
> 
> Description
> -------
> 
> This is an attempt to improve the Mac-specific implementation of the 
> `KWindowSystem` class.
> For convenience and future-proofness (and also because I like the language) I 
> converted `kwindowsystem_mac.cpp` to ObjC++, i.e. `kwindowsystem_mac.mm`, and 
> added the AppKit framework in the CMakeFile.
> 
> Much of the code in this file is hardly better than gentle hacking, but that 
> probably concerns the functions that are of least interest on a platform 
> where KDE doesn't do session management.
> 
> I should probably update the "not yet implemented" debug statements (to 
> "unsupported"), and I might have another look at kwindowinfo_mac.cpp too.
> 
> 
> Diffs
> -----
> 
>   kdeui/CMakeLists.txt 1454790 
>   kdeui/tests/kwindowtest.cpp b4012d7 
>   kdeui/windowmanagement/kwindowsystem_mac.cpp 4200237 
>   kdeui/windowmanagement/kwindowsystem_mac_p.h PRE-CREATION 
>   kdeui/windowmanagement/kwindowsystem_macobjc.mm PRE-CREATION 
> 
> Diff: https://git.reviewboard.kde.org/r/120931/diff/
> 
> 
> Testing
> -------
> 
> On OS X 10.6.8, mostly with the updated kwindowtest utility (which calls 
> KWindowSystem functions when clicking the Open button in its toolbar).
> Also tested on Mac OS X 10.9.4 rebuilding kdelibs from scratch.
> 
> 
> Thanks,
> 
> René J.V. Bertin
> 
>

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