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bug#69246: 30.0.50; persistent key input delay after using vc commands i
From: |
Nick OBrien |
Subject: |
bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk |
Date: |
Wed, 21 Feb 2024 16:09:09 +0000 |
On Wednesday, February 21st, 2024 at 6:41 AM, Eli Zaretskii <eliz@gnu.org>
wrote:
> > Date: Wed, 21 Feb 2024 02:19:11 +0000
> > From: Nick OBrien nick4f42@proton.me
> > Cc: 69246@debbugs.gnu.org
> >
> > In other words, if I press and release a key at the same time, the lag isn't
> > noticeable. I only see the lag when I press a key and don't release it.
> > When a
> > key is held down and auto-repeating, I don't notice a drastic speed
> > difference
> > with or without the lag. The appearing characters just look choppier when
> > the
> > lag is occurring.
> >
> > I realize this is an awkward bug to explain and reproduce, thanks for
> > bearing
> > with me. More suggestions on how to narrow down the cause would be
> > appreciated.
>
>
> Isn't it expected that the key only appears when it's released? Po
> Lu, any comments to this strange issue?
I would think it's expected for the key to appear after pressing the key, not
releasing it.
On Wednesday, February 21st, 2024 at 6:49 AM, Po Lu <luangruo@yahoo.com> wrote:
> Do other GTK 3 programs exhibit this lengthening of the intervals
> between generated repeat keypresses? What if the environment variable
> GTK_IM_MODULE is set to `none'?
>
> TIA.
Running "GTK_IM_MODULE=none emacs -Q" and following the steps in the original
bug report, the lag appears to be fixed. I reproduced it three times, and each
time there was no lag. For reference, I tried again with GTK_IM_MODULE=fcitx
(how it was in the original bug report) and 4/4 times I experienced the lag.
I haven't ever experienced this sort of lag in Firefox or signal-desktop, two
gtk3 apps I regularly use. And just to clarify, the lag doesn't seem to lengthen
the interval between generated repeat key-presses. The repeated key-presses just
seem /choppier/, as if the frame-rate is lower. The lag is most obvious when
holding down a key and releasing after a single key appears.
I'll try using my normal config with GTK_IM_MODULE=none and see if I experience
the lag in everyday use.
Thanks
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Nick OBrien, 2024/02/18
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Eli Zaretskii, 2024/02/18
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Nick OBrien, 2024/02/18
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Eli Zaretskii, 2024/02/18
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Nick OBrien, 2024/02/18
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Eli Zaretskii, 2024/02/18
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Nick OBrien, 2024/02/21
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Eli Zaretskii, 2024/02/21
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Po Lu, 2024/02/21
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk,
Nick OBrien <=
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Po Lu, 2024/02/21
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Eli Zaretskii, 2024/02/22
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Po Lu, 2024/02/22
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Eli Zaretskii, 2024/02/22
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Po Lu, 2024/02/22
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Nick OBrien, 2024/02/25
- bug#69246: 30.0.50; persistent key input delay after using vc commands in pgtk, Eli Zaretskii, 2024/02/25