[Xquartz-dev] Fix (?) for window positions when displays have separate Spaces

[Jeremy Huddleston Sequoia]

This looks right.  Thanks for catching this, Tom.  I'll be sure to get it into the next release which will likely be around the end of May.

Thanks,
Jeremy

> On Apr 30, 2015, at 14:18, Tom Seddon <xquartz-dev at tomseddon.plus.com> wrote:
> 
> I've been having all sorts of problems with XQuartz and quartz-wm when the `Displays have separate Spaces' option is set. This seems to be due to the aquaBarMenuHeight calculation being a bit unusual - on my system it gets things hopelessly wrong, and decides the menu bar is -500 pixels high.
> 
> With my change (patch attached) it gets the right value, and windows are appropriately constrained to the screens' visible frames. Full screen mode still doesn't work, though.
> 
> Regards,
> 
> -- 
> --Tom Seddon
> 
> P.S. I initially tried attacking this problem by editing quartz-wm. Something I noticed while doing this: when displays have separate spaces, the main screen is no longer fixed, meaning the result of [NSScreen mainScreen] isn't necessarily consistent.
> 
> But this doesn't happen to quartz-wm - it always gets the same result back from [NSScreen mainScreen], no matter what the true main screen. The reason for this, I found, was simply that it never creates an NSWindow. (I have no idea what the underlying reason for that is, and/or whether it's something you're supposed to be able to rely on.)
> 
> The calculations in x_screen actually seem to rely on the main screen always being the same, so if you "fix" it as I did, by creating a NSWindow object at some point, you get a whole second set of problems...
> <xserver-fix-aquaMenuBarHeight.txt>
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