From: "Jan D." <jan.h.d@swipnet.se>
To: Stefan Monnier <monnier@iro.umontreal.ca>,
martin rudalics <rudalics@gmx.at>
Cc: 19988@debbugs.gnu.org, Tassilo Horn <tsdh@gnu.org>
Subject: bug#19988: 25.0.50; Drag events ending in different frame
Date: Mon, 09 Mar 2015 08:53:43 +0100 [thread overview]
Message-ID: <54FD5187.1070902@swipnet.se> (raw)
In-Reply-To: <jwvvbiadc6q.fsf-monnier+emacsbugs@gnu.org>
Stefan Monnier skrev den 2015-03-09 05:34:
>>> If one of the two is the top window (i.e. the one that's actually
>>> visible), then we should use that one,
>> Detecting whether "one of the two is the top window (i.e. the one that's
>> actually visible)" requires access to the Z order of windows.
>
> Not exactly: since this should be done by the C code, it can ask the
> window-system, which is the "current window under the mouse pointer".
> The result depends on Z ordering, but Emacs doesn't need to know that
> Z ordering.
>
>> The event structure can only contain what we put into it. Which window
>> would you put into this structure after you leave the frame containing
>> the window where the start event occurred?
>
> The GUI window that's under the mouse pointer (according to the
> window-system).
>
XQueryPointer gives you the window. But for drag-and-drop (depending on
what protocol is being used), you also need to check if that window
supports drag-and-drop.
Jan D.
next prev parent reply other threads:[~2015-03-09 7:53 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-03 14:30 bug#19988: 25.0.50; Drag events ending in different frame Tassilo Horn
2015-03-03 20:27 ` Eli Zaretskii
2015-03-04 4:28 ` Stefan Monnier
2015-03-04 7:03 ` Tassilo Horn
2015-03-04 17:22 ` Eli Zaretskii
2015-03-04 21:09 ` Tassilo Horn
2015-03-04 22:58 ` Stefan Monnier
2015-03-05 8:05 ` martin rudalics
2015-03-05 17:05 ` Eli Zaretskii
2015-03-05 3:37 ` Eli Zaretskii
2015-03-05 7:19 ` Tassilo Horn
2015-03-05 17:02 ` Eli Zaretskii
2015-03-05 20:07 ` Tassilo Horn
2015-03-05 20:15 ` Eli Zaretskii
2015-03-06 7:12 ` Tassilo Horn
2015-03-06 14:13 ` Eli Zaretskii
2015-03-06 16:09 ` Drew Adams
2015-03-06 18:55 ` martin rudalics
2015-03-05 17:00 ` Eli Zaretskii
2015-03-05 20:01 ` Tassilo Horn
2015-03-05 8:05 ` martin rudalics
2015-03-04 17:19 ` Eli Zaretskii
2015-03-04 15:10 ` martin rudalics
2015-03-04 21:14 ` Tassilo Horn
2015-03-05 8:06 ` martin rudalics
2015-03-06 14:37 ` Stefan Monnier
2015-03-06 18:55 ` martin rudalics
2015-03-06 20:19 ` Stefan Monnier
2015-03-06 21:31 ` martin rudalics
2015-03-07 0:49 ` Stefan Monnier
2015-03-07 9:41 ` martin rudalics
2015-03-09 4:34 ` Stefan Monnier
2015-03-09 7:53 ` Jan D. [this message]
2015-03-09 10:38 ` martin rudalics
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