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Re: Pixel scrolling support
From: |
Po Lu |
Subject: |
Re: Pixel scrolling support |
Date: |
Fri, 26 Nov 2021 20:09:22 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
>> pixel-scroll-mode still scrolls by lines, it just tries to animate each
>> line movement. It's very unpleasant to use that with a precision scroll
>> wheel.
> Well, that sounds like a good description of the difference (minus the
> "unpleasant" part) to have in the NEWS entry.
I'll add that to the NEWS entry, thanks.
>> I use `posn-at-x-y' to determine the position closest to the first line
>> to be displayed on screen after the window is vscrolled by DELTA.
> How do you know which line is "the first line to be displayed on
> screen after the window is vscrolled by DELTA"? That's the bit I'm
> missing, I think.
Basically, the first line that's displayed in the window (which might
not be the line at window start if the window is vscrolled).
> What is "the delta by which the window is being scrolled"? Is that
> the window's vscroll or is that something else?
It's the pixel delta by which the window will be scrolled vertically.
> Of course, it does. It might not be exposed to Lisp (I didn't look
> closely enough), but it is certainly supported on the C level.
Hmm, it would be great to expose that to Lisp, as right now
`set-window-hscroll' only accepts columns and not pixels.
Thanks.
- Re: Pixel scrolling support, (continued)
- Re: Pixel scrolling support, Eli Zaretskii, 2021/11/26
- Re: Pixel scrolling support, Eli Zaretskii, 2021/11/26
- Re: Pixel scrolling support, Po Lu, 2021/11/26
- Re: Pixel scrolling support, Eli Zaretskii, 2021/11/26
- Re: Pixel scrolling support, Po Lu, 2021/11/26
- Re: Pixel scrolling support, Eli Zaretskii, 2021/11/26
- Re: Pixel scrolling support, Po Lu, 2021/11/26
- Re: Pixel scrolling support, Eli Zaretskii, 2021/11/26
- Re: Pixel scrolling support, Po Lu, 2021/11/26
- Re: Pixel scrolling support, Eli Zaretskii, 2021/11/26
- Re: Pixel scrolling support,
Po Lu <=
- Re: Pixel scrolling support, Eli Zaretskii, 2021/11/26
- Re: Pixel scrolling support, Po Lu, 2021/11/26
- Re: Pixel scrolling support, Po Lu, 2021/11/26
- Re: Pixel scrolling support, Eli Zaretskii, 2021/11/26
- Re: Pixel scrolling support, Po Lu, 2021/11/26
- Re: Pixel scrolling support, Stephen Berman, 2021/11/26
- Re: Pixel scrolling support, Stefan Monnier, 2021/11/26
- Re: Pixel scrolling support, Po Lu, 2021/11/26
- Re: Pixel scrolling support, Eli Zaretskii, 2021/11/26
- Re: Pixel scrolling support, Po Lu, 2021/11/26