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bug#29002: it.first_visible_x is erroneously 0 while horizontal scrollin
From: |
Keith David Bershatsky |
Subject: |
bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling. |
Date: |
Mon, 30 Oct 2017 12:36:38 -0700 |
Yes, "M-x" immediately cancels the hscroll of non-current lines when called
after moving the cursor.
Thank you for explaining how the second optional argument in scroll-right/left
can be used to obtain a permanent hscroll. :)
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DATE: [10-30-2017 11:02:27] <30 Oct 2017 20:02:27 +0200>
FROM: Eli Zaretskii <eliz@gnu.org>
>
> > Date: Sun, 29 Oct 2017 13:12:15 -0700
> > From: Keith David Bershatsky <esq@lawlist.com>
> > Cc: 29002@debbugs.gnu.org
> >
> > It appears to me that (scroll-right 1) is kind of a temporary form of
> > horizontal scrolling, which automatically cancels as to non-current lines
> > in a vareity of situations when keyboard input is received. Plain old
> > scroll-right without the optional distance argument is semi-permanent, and
> > non-current lines do not automatically return to a non-scrolled state.
>
> Yes, it's temporary. For a permanent hscroll, you need to invoke
> scroll-left/right with its second argument non-nil (which happens
> automatically in interactive invocation).
>
> Does the hscroll get reset after moving cursor if you type "M-x"?
- bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling., (continued)
- bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling., Keith David Bershatsky, 2017/10/26
- bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling., Keith David Bershatsky, 2017/10/29
- bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling., Keith David Bershatsky, 2017/10/29
- bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling., Keith David Bershatsky, 2017/10/29
- bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling., Keith David Bershatsky, 2017/10/29
- bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling.,
Keith David Bershatsky <=