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Subject: |
25.0.50; shell-mode doesn't respect comint-scroll-to-bottom-on-output/input |
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Date: |
Mon, 27 Jul 2015 11:46:56 +0100 |
1. Set `comint-scroll-to-bottom-on-output` and
`comint-scroll-to-bottom-on-input` to nil via the customize interface
(or via `setq-default`)
2. Run `M-x shell`
3. Run a couple of shell commands so you have enough output to fill
the screen (`ls -al ~/` should do it).
4. Hit `C-l` twice so point is at the top of the screen.
5. Type `date` on the prompt and hit `RET`.
6. The window scrolls until point is at the bottom.
It would seem that, by setting those variables to nil, the window
should not scroll. If this is not intended to be the case, then these
variables' docstrings are unclear to me.
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--- Begin Message ---
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Subject: |
Re: bug#21139: 25.0.50; shell-mode doesn't respect comint-scroll-to-bottom-on-output/input |
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Date: |
Sat, 8 Aug 2015 19:01:54 +0100 |
THanks Eli. Indeed, that's what I was looking for.
I'll close this now.
2015-08-08 10:03 GMT+01:00 Eli Zaretskii <address@hidden>:
>> Date: Mon, 27 Jul 2015 11:46:56 +0100
>> From: Artur Malabarba <address@hidden>
>>
>> 1. Set `comint-scroll-to-bottom-on-output` and
>> `comint-scroll-to-bottom-on-input` to nil via the customize interface
>> (or via `setq-default`)
>> 2. Run `M-x shell`
>> 3. Run a couple of shell commands so you have enough output to fill
>> the screen (`ls -al ~/` should do it).
>> 4. Hit `C-l` twice so point is at the top of the screen.
>> 5. Type `date` on the prompt and hit `RET`.
>> 6. The window scrolls until point is at the bottom.
>>
>>
>> It would seem that, by setting those variables to nil, the window
>> should not scroll. If this is not intended to be the case, then these
>> variables' docstrings are unclear to me.
>
> The variable comint-scroll-to-bottom-on-output
> (a.k.a. comint-move-point-for-output) control whether _point_ moves.
> In the scenario you described, point does not move, it stays at EOB.
> What happens is that the window is scrolled to place point on the last
> line of the window; this is controlled by another variable,
> comint-scroll-show-maximum-output, which attempts to show as much of
> the shell buffer as possible. if you set it to nil, you will have
> what you want in this scenario.
>
> IOW, this doesn't look like a bug, but intended behavior, and you need
> to customize another variable to have what you want.
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