From: Eli Zaretskii <eliz@gnu.org>
To: Keith David Bershatsky <esq@lawlist.com>
Cc: 29002@debbugs.gnu.org
Subject: bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling.
Date: Sun, 05 Nov 2017 20:12:26 +0200 [thread overview]
Message-ID: <83375stx11.fsf@gnu.org> (raw)
In-Reply-To: <m2bmkgveyk.wl%esq@lawlist.com> (message from Keith David Bershatsky on Sun, 05 Nov 2017 08:59:47 -0800)
> Date: Sun, 05 Nov 2017 08:59:47 -0800
> From: Keith David Bershatsky <esq@lawlist.com>
> Cc: 29002@debbugs.gnu.org
>
> Step # 1: Download a fresh copy of the emacs-26 branch.
>
> Step # 2: Inside the function `set_window_hscroll` within window.c, add a message just before the function returns.
>
> AUTO_STRING (my_string_one, "window.c: set_window_hscroll");
> CALLN (Fmessage, my_string_one);
>
> Step # 3: Build the new Emacs, and launch without any user configuration.
>
> Step # 4: From the Welcome screen, type: C-r
>
> Step # 5: Slowly type the word Emacs and watch the echo area as you type each letter.
>
> Inasmuch as the function `set_window_hscroll` is being called each time we type a letter, the proposed fix to #29002 causes a thorough redisplay after every keystroke while using isearch. This is probably not limited to isearch -- it was just the first occasion where the side affect was immediately noticeable.
OK, I made thorough redisplay happen in fewer situations.
next prev parent reply other threads:[~2017-11-05 18:12 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-26 1:03 bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling Keith David Bershatsky
2017-10-26 3:45 ` Keith David Bershatsky
2017-10-26 4:51 ` Eli Zaretskii
2017-10-26 6:20 ` Keith David Bershatsky
2017-10-26 15:56 ` Eli Zaretskii
2017-10-26 18:56 ` Keith David Bershatsky
2017-10-29 11:23 ` Eli Zaretskii
2017-10-29 17:29 ` Keith David Bershatsky
2017-10-29 18:29 ` Eli Zaretskii
2017-10-29 18:56 ` Eli Zaretskii
2017-10-29 18:56 ` Keith David Bershatsky
2017-10-29 19:23 ` Eli Zaretskii
2017-10-29 19:08 ` Keith David Bershatsky
2017-10-29 20:12 ` Keith David Bershatsky
2017-10-30 18:02 ` Eli Zaretskii
2017-10-30 19:36 ` Keith David Bershatsky
2017-11-04 9:32 ` Eli Zaretskii
2017-11-05 0:16 ` Keith David Bershatsky
2017-11-05 9:15 ` Keith David Bershatsky
2017-11-05 10:44 ` Eli Zaretskii
2017-11-05 16:59 ` Keith David Bershatsky
2017-11-05 18:12 ` Eli Zaretskii [this message]
2017-11-06 1:05 ` Keith David Bershatsky
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