From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: Suggestion: Add discussion of input focus handling to select-window; add select-frame-window
Date: Tue, 12 Dec 2017 16:57:28 -0500 [thread overview]
Message-ID: <jwv609br4zo.fsf-monnier+gmane.emacs.devel@gnu.org> (raw)
In-Reply-To: CA+OMD9jiD4O4s25i0h-Y0Ysm0jVm4QjPSCyigz01Y-AKZPjXig@mail.gmail.com
> Hyperbole has a feature that lets you either drag a dired item (or
> other item type) to another frame (input switches to that frame) or
> throw the dired item to another frame (input stays in the same frame).
> The throw command calls the drag command to reuse its logic, since it
> is fairly involved and doesn't make sense to duplicate, but then needs
> to restore the focus to original frame.
Wouldn't it make sense to solve this by doing it the other around:
implement drag on top of throw?
The kind of "undo" we get from save-excursion and friends is very handy
and powerful, but in many cases "undoing" is either very difficult or
even impossible (e.g. save-window-excursion can undo changes to the
current frame, but there is simply no way to implement the equivalent
for frames, because once a frame is created the user has seen it (and
in my case, had to position it with his mouse) and once a frame has been
deleted you've lost some of the information attached to it which Emacs
can't recreate because it's specific to your particular window-manager).
When you request to change the focus, the window-manager may immediately
execute some user-visible action, so you can't fully "undo" it.
Stefan
next prev parent reply other threads:[~2017-12-12 21:57 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-12 15:39 Suggestion: Add discussion of input focus handling to select-window; add select-frame-window Robert Weiner
2017-12-12 18:13 ` Robert Weiner
2017-12-12 18:49 ` Robert Weiner
2017-12-12 20:40 ` Stefan Monnier
2017-12-12 21:29 ` Robert Weiner
2017-12-12 21:57 ` Stefan Monnier [this message]
2017-12-12 20:37 ` Stefan Monnier
2017-12-12 21:19 ` Robert Weiner
2017-12-13 8:49 ` martin rudalics
2017-12-13 13:37 ` Stefan Monnier
2017-12-13 14:37 ` Robert Weiner
2017-12-13 19:29 ` martin rudalics
2017-12-13 20:30 ` Eli Zaretskii
2017-12-13 22:10 ` Stefan Monnier
2017-12-14 3:33 ` Eli Zaretskii
2017-12-14 15:01 ` Robert Weiner
2017-12-14 20:09 ` Eli Zaretskii
2017-12-14 23:43 ` Robert Weiner
2017-12-15 1:42 ` Stefan Monnier
2017-12-16 16:11 ` Robert Weiner
2017-12-16 16:42 ` Eli Zaretskii
2017-12-16 17:23 ` Robert Weiner
2017-12-16 16:27 ` Robert Weiner
2017-12-16 16:21 ` Robert Weiner
2017-12-16 16:29 ` Eli Zaretskii
2017-12-16 17:04 ` Robert Weiner
2017-12-16 17:15 ` Robert Weiner
2017-12-16 17:26 ` Eli Zaretskii
2017-12-16 18:16 ` Robert Weiner
2017-12-16 18:41 ` Eli Zaretskii
2017-12-16 19:18 ` Robert Weiner
2017-12-16 19:56 ` Eli Zaretskii
2017-12-16 20:52 ` Robert Weiner
2017-12-22 10:19 ` Eli Zaretskii
2017-12-16 22:44 ` Robert Weiner
2017-12-13 14:51 ` Robert Weiner
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