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Re: suggestion for tab keybinding in hideshow minor mode.
From: |
Tassilo Horn |
Subject: |
Re: suggestion for tab keybinding in hideshow minor mode. |
Date: |
Fri, 03 Dec 2010 09:11:44 +0100 |
User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/24.0.50 (gnu/linux) |
Thien-Thi Nguyen <address@hidden> writes:
> () Tassilo Horn <address@hidden>
> () Thu, 02 Dec 2010 18:28:56 +0100
>
> (let ((obj (car (overlays-in
> (save-excursion (move-beginning-of-line nil) (point))
> (save-excursion (move-end-of-line nil) (point))))))
> ...)
>
> See also ‘line-beginning-position’, ‘line-end-position’,
Yeah, first I've replaced the above with exactly those, but the behavior
was different. When I've hidden an inner block and then an outer block
(like, a function definition with an inner for loop), I was unable to
show it again.
I suspect that `line-beginning-position' and `line-end-position'
consider "real" lines, whereas the move-functions mean visible lines.
In a hidden block {...} the open brace is not on the same real line than
the closing one.
> ‘hs-already-hidden-p’, ‘hs-overlay-at’.
Yep, that makes it much simpler:
--8<---------------cut here---------------start------------->8---
(eval-after-load 'hideshow
;; Use TAB to toggle hiding/showing a block.
'(progn
(define-context-key hs-minor-mode-map
(kbd "TAB")
(and (not (hs-already-hidden-p))
(eq last-command this-command))
hs-hide-block)
(define-context-key hs-minor-mode-map
(kbd "TAB")
hs-already-hidden-p
hs-show-block)))
--8<---------------cut here---------------end--------------->8---
Thanks for the hint!
Tassilo