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From: Eli Zaretskii <eliz@gnu.org>
To: Hongyi Zhao <hongyi.zhao@gmail.com>
Cc: Emacs-devel@gnu.org
Subject: Re: Run `M-x list-input-methods` and then scroll down the screen in input method panel using the mouse or arrow key will cause Emacs unresponsive for about 1 minite.
Date: Sat, 19 Jun 2021 09:13:56 +0300	[thread overview]
Message-ID: <837diqxty3.fsf@gnu.org> (raw)
In-Reply-To: <CAGP6POKYof8DPxnUr=QDcjCmdfshmp6_M9mt3Qt9P5VvhfxQ9A@mail.gmail.com> (message from Hongyi Zhao on Sat, 19 Jun 2021 13:05:57 +0800)

[Please don't cross-post here and in help-gnu-emacs, choose just one.]

> From: Hongyi Zhao <hongyi.zhao@gmail.com>
> Date: Sat, 19 Jun 2021 13:05:57 +0800
> 
> I noticed the following strange problem:
> 
> First start Emacs like this:
> 
> $ /usr/local/bin/emacs -Q
> 
> Then run `M-x list-input-methods` and scroll down the screen in input
> method panel using the mouse or arrow key will cause Emacs
> unresponsive for about 1 minute.

It isn't necessarily strange: Emacs looks for the fonts needed to
display the relevant characters, so if you have a lot of fonts
installed, and some character is not supported, it will take Emacs a
lot of time to scan all those fonts.



  reply	other threads:[~2021-06-19  6:13 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-19  5:05 Run `M-x list-input-methods` and then scroll down the screen in input method panel using the mouse or arrow key will cause Emacs unresponsive for about 1 minite Hongyi Zhao
2021-06-19  6:13 ` Eli Zaretskii [this message]
     [not found]   ` <CAGP6PO+5QjiB4jkk1x-VZrhm-gUzEiv7dC_sJH_gi1cRzMGu2Q@mail.gmail.com>
2021-06-19  6:57     ` Eli Zaretskii
2021-06-19  7:16       ` Hongyi Zhao
2021-06-19  9:30         ` Eli Zaretskii
2021-06-19  9:47           ` Hongyi Zhao
2021-06-19 10:03             ` Eli Zaretskii
2021-06-19 10:16               ` Hongyi Zhao
2021-06-19 10:31                 ` Eli Zaretskii
2021-06-19 10:48                   ` Hongyi Zhao
2021-06-19 10:55                     ` Eli Zaretskii
2021-06-19 11:00                       ` Eli Zaretskii
2021-06-19 13:42                         ` Hongyi Zhao
2021-06-19 13:49                           ` Eli Zaretskii
2021-06-19 14:19                             ` Hongyi Zhao
2021-06-19 14:28                               ` Eli Zaretskii
2021-06-19 15:17                                 ` Hongyi Zhao

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