GNU bug report logs - #25818
25.2; frame moved off display does not return (OS X)

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From: "Charles A. Roelli" <charles <at> aurox.ch>
To: Alan Third <alan <at> idiocy.org>
Cc: 25818 <at> debbugs.gnu.org, Anders Lindgren <andlind <at> gmail.com>, martin rudalics <rudalics <at> gmx.at>
Subject: bug#25818: 25.2; frame moved off display does not return (OS X)
Date: Fri, 28 Apr 2017 19:33:00 +0200

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On 27/04/2017 22:05, Alan Third wrote:
> Looks good to me. It doesn’t actually apply here, so I did it
> manually. I suspect it just needs rebased onto a more recent commit or
> something.
You're right: attached is the rebased version.
>> and drag the parent frame down until its child is off screen. When the
>> parent is moved back up, the child should reappear with it.
> If you put the top of the child frame off the top of the screen, then
> click on it, it jumps back down so the titlebar is visible again. Is
> this intentional?
For me, this can be prevented by setting variable 
`ns-auto-hide-menu-bar' to t.  And on OS X 10.9+, the behavior may 
change if you have Spaces enabled (I haven't tested it).
>> * src/nsterm.m (constrainFrameRect:toScreen:): Constrain non-child
>> frames in OS X, if they would otherwise go offscreen.
> I can’t find this in CONTRIBUTE, but you’re allowed to specify
> #ifdef’d code with something like:
>
> * src/nsterm.m (constrainFrameRect:toScreen:) [NS_IMPL_COCOA]:
> Constrain non-child frames if they would otherwise go offscreen.
>
> Thanks for working on this. :)
My pleasure, and thank you for your work on the NS port.

[0001-Constrain-non-child-frames-to-screen-area-in-OS-X.patch (text/x-patch, attachment)]

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