From: martin rudalics <rudalics@gmx.at>
To: rswgnu@gmail.com, Eli Zaretskii <eliz@gnu.org>,
Alan Third <alan@idiocy.org>,
28620@debbugs.gnu.org
Subject: bug#28620: Interact directly on Emacs bug#28620: mouse drag event records wrong release window
Date: Thu, 12 Oct 2017 10:05:52 +0200 [thread overview]
Message-ID: <59DF2260.5030204@gmx.at> (raw)
In-Reply-To: <CA+OMD9iLa=R+TTF_0HF2bMsgr-MGhZBqGc=BExRE3kzSj4zfAA@mail.gmail.com>
> So if I have 2 frames, f1 and f2, and a Chrome web browser window that is
> atop f2, then if I drag from f1 into Chrome above f2, my drag release code
> reports that the release window is in f2 rather than nil, as it should be.
> I am on macOS which uses click to focus, so Emacs still gets the release
> event since Chrome has not been selected with a click.
I would call this a feature: f2 is probably the one meaningful target of
your operation at that screen position.
> Is there any way to deal with external window z-order layering such that
> one can tell within Emacs whether the topmost OS-level window at an
> absolute mouse position is an Emacs frame or not?
Not really. Compositing window managers on X no more allow to track the
visibility of windows reliably. So while we can discern the visibility
of our own (window manager) windows based on what we store in their
asscociated frames' 'visible' slots, we can't do that for windows of
other applications. And processing whatever else XGetWindowAttributes
returns for another application's window might not be trivial either.
It should be possible to do what you want on Windows (where the debugger
also notifies you when an Emacs frame is obscured) though.
martin
next prev parent reply other threads:[~2017-10-12 8:05 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CA+OMD9gfe-sUm_er47UmPzrCmvSEjUP0TdsCapBxeiFQS=E1dg@mail.gmail.com>
[not found] ` <83wp4e3nvx.fsf@gnu.org>
[not found] ` <DCD76686-AED1-4D1B-BF28-CAA693633E07@gmail.com>
[not found] ` <8360bx340d.fsf@gnu.org>
[not found] ` <CA+OMD9j9u1KTKFrQyGSVR43gcvmD16kqcVo9pw7dYhp+KULjcA@mail.gmail.com>
[not found] ` <8360bw19es.fsf@gnu.org>
[not found] ` <CA+OMD9h8i6DcxdS4pcrNxHiTbCmxZfU9=CqArJt9GKH8O6LPSw@mail.gmail.com>
2017-10-03 18:21 ` bug#28620: Interact directly on Emacs bug#28620: mouse drag event records wrong release window Robert Weiner
2017-10-03 18:42 ` Eli Zaretskii
2017-10-03 18:53 ` Robert Weiner
2017-10-03 22:40 ` Alan Third
2017-10-04 0:15 ` Robert Weiner
2017-10-04 16:30 ` Alan Third
2017-10-04 17:26 ` Robert Weiner
2017-10-04 18:59 ` Alan Third
2017-10-04 19:30 ` Robert Weiner
2017-10-04 20:11 ` Robert Weiner
2017-10-04 20:07 ` Robert Weiner
2017-10-04 22:09 ` Alan Third
2017-10-05 0:38 ` Robert Weiner
[not found] ` <83vajwytja.fsf@gnu.org>
[not found] ` <CA+OMD9gtwbg4gZzFryWCteN-gHuwvvqTYhVf2WUmpznZ9jo+Ng@mail.gmail.com>
[not found] ` <83poa4yqyq.fsf@gnu.org>
[not found] ` <CA+OMD9gM_3qgioX_RhhDHWF9GYA7=6++Hq5im2nwcwtdKLyDnA@mail.gmail.com>
[not found] ` <CA+OMD9g5dX8Dg92F1pRgYKt3j0yyg=8rBOpSc5SePPiodFnOWA@mail.gmail.com>
[not found] ` <83376qouoj.fsf@gnu.org>
[not found] ` <CA+OMD9hi52ZgCWFTSFPBEu2tOpF12kvHqpu8p4oi-f6jPdw2bA@mail.gmail.com>
2017-10-11 18:49 ` Robert Weiner
2017-10-12 1:35 ` Robert Weiner
2017-10-12 1:47 ` Robert Weiner
2017-10-12 8:05 ` martin rudalics [this message]
2017-10-12 13:08 ` Robert Weiner
2017-10-14 8:35 ` martin rudalics
2017-10-14 17:16 ` Robert Weiner
2017-10-14 18:47 ` Robert Weiner
2017-10-15 3:31 ` Robert Weiner
2017-10-15 9:40 ` martin rudalics
2017-10-16 16:31 ` Robert Weiner
2017-10-17 8:57 ` martin rudalics
2017-10-19 18:32 ` Robert Weiner
2017-10-20 7:55 ` martin rudalics
2017-10-20 14:26 ` Robert Weiner
2017-10-21 8:05 ` martin rudalics
2017-10-21 18:05 ` Richard Stallman
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