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Re: Allowing point to be outside the window?
From: |
Po Lu |
Subject: |
Re: Allowing point to be outside the window? |
Date: |
Mon, 29 Nov 2021 21:22:18 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> A $64M question ;-) Your opinion about my memory is too good.
>
> But in general, I think you are looking at a too-narrow aspect of this
> behavior. First, even in xdisp.c there are several places where we
> attempt to redisplay a window, and then reject the results because
> point is not fully visible in the window. "Reject" here sometimes
> mean another, fresh attempt of redisplaying the window with some
> conditions or variables modified to yield a success. These places
> should be audited in order to decide whether the rejection is
> justified under this new feature.
Thanks, I will look at it. One last question though:
> Second, look at the scrolling code in window.c: under some conditions,
> it decides up front that point will be invisible, and then either
> moves point or modifies the scroll (i.e. the window-start). That,
> too, will have to be revisited and carefully audited.
Is any of that scrolling code used during redisplay (for instance, if
the window start is changed?) The main use I have for this feature will
be in the pixel scrolling code, which doesn't use any of the normal
scrolling commands.
Thanks.
- Allowing point to be outside the window?, Po Lu, 2021/11/27
- Re: Allowing point to be outside the window?, Eli Zaretskii, 2021/11/28
- Re: Allowing point to be outside the window?, Po Lu, 2021/11/28
- Re: Allowing point to be outside the window?, Eli Zaretskii, 2021/11/28
- Re: Allowing point to be outside the window?, Po Lu, 2021/11/28
- Re: Allowing point to be outside the window?, Eli Zaretskii, 2021/11/28
- Re: Allowing point to be outside the window?, Po Lu, 2021/11/28
- Re: Allowing point to be outside the window?, Eli Zaretskii, 2021/11/28
- Re: Allowing point to be outside the window?, Po Lu, 2021/11/28
- Re: Allowing point to be outside the window?, Eli Zaretskii, 2021/11/29
- Re: Allowing point to be outside the window?,
Po Lu <=
- Re: Allowing point to be outside the window?, Eli Zaretskii, 2021/11/29
- Re: Allowing point to be outside the window?, Po Lu, 2021/11/29
- RE: [External] : Re: Allowing point to be outside the window?, Drew Adams, 2021/11/30
- Re: [External] : Re: Allowing point to be outside the window?, Eli Zaretskii, 2021/11/30
- Re: [External] : Re: Allowing point to be outside the window?, Lars Ingebrigtsen, 2021/11/30
- Re: [External] : Re: Allowing point to be outside the window?, Eli Zaretskii, 2021/11/30
- Re: [External] : Re: Allowing point to be outside the window?, Stefan Kangas, 2021/11/30
- Re: [External] : Re: Allowing point to be outside the window?, Eli Zaretskii, 2021/11/30
- RE: [External] : Re: Allowing point to be outside the window?, Drew Adams, 2021/11/30
- Re: [External] : Re: Allowing point to be outside the window?, Daniel MartÃn, 2021/11/30