From: "T.V Raman" <raman@google.com>
To: dancol@dancol.org
Cc: Emacs developers <emacs-devel@gnu.org>
Subject: Re: We should decouple focus and frame switching
Date: Sun, 10 Jun 2018 17:04:27 -0700 [thread overview]
Message-ID: <p91lgbm5gtw.fsf@google.com> (raw)
In-Reply-To: <726a268360567d598996f0080b71c0f8.squirrel@dancol.org> (dancol@dancol.org's message of "Sun, 10 Jun 2018 16:28:15 -0700")
dancol@dancol.org writes:
focus-in-hook and focus-out-hook are demonstrably broken --- I remember
sending a message here that showed those hooks firing multiple times
under stumpwm for a single window-switch event. I believe someone else
also reproed the buggy behavior under a different WM >>>>>>> "DC" == Daniel Colascione <dancol@dancol.org> writes:
>>
>> DC> How about this? We'll add a frame-focused-p function that returns nil,
>> t,
>> DC> or 'unknown, and wire up focus-in-hook and focus-out-hook to run only
>> when
>> DC> we actually observe a window system focus change, letting the frame
>> switch
>> DC> stuff run completely independently. This way, we'll be able to write
>> lisp
>> DC> (as I've been trying to do) that reflects the real window system
>> focus.
>>
>> DC> Sound good?
>>
>> Why might we not want this?
>
> First of all, I'm worried about backward compatibility with existing
> packages that rely on the current strange behavior of focus-in and
> focus-out. I briefly scanned the tree, ELPA, and EmacsWiki, and I didn't
> see anything that would obviously break, but that's no guarantee. The
> alternative I was considering is to keep the existing focus events as they
> are and add a new set of window-system-focus query functions and hooks
> alongside it.
>
> Second, Chesterton's fence: maybe there's a good reason the focus events
> are structured the way they are? I was hoping somebody knew why we did it
> this way in the first place.
>
>
--
next prev parent reply other threads:[~2018-06-11 0:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-10 18:07 We should decouple focus and frame switching Daniel Colascione
2018-06-10 23:16 ` John Wiegley
2018-06-10 23:28 ` dancol
2018-06-11 0:04 ` T.V Raman [this message]
2018-06-11 0:20 ` dancol
2018-06-11 1:07 ` T.V Raman
2018-06-11 13:00 ` Clément Pit-Claudel
2018-06-11 15:17 ` Stefan Monnier
2018-06-11 15:56 ` Eli Zaretskii
2018-06-13 3:34 ` Michael Heerdegen
2018-06-13 3:50 ` dancol
2018-06-11 2:35 ` Eli Zaretskii
2018-06-11 3:24 ` dancol
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