hideshow.el: New commands 'hs-cycle' and 'hs-toggle-all'. (Bug#79877)

* etc/NEWS: Announce features.
* doc/emacs/programs.texi (Hideshow): Document it.
* lisp/progmodes/hideshow.el (hs-prefix-map): Bind the new
commands.
(hs-hide-level-recursive): Simplify.
(hs--toggle-all-state): New variable.
(hs-toggle-all, hs-cycle): New commands.
(hs-get-near-block): New function.
(hs-hide-block): Simplify.

Co-authored-by: Karthik Chikmagalur <karthikchikmagalur@gmail.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/doc/emacs/programs.texi b/doc/emacs/programs.texi
index 0adb90b36cb..6acd04d0bae 100644
--- a/doc/emacs/programs.texi
+++ b/doc/emacs/programs.texi
@@ -1699,6 +1699,7 @@ count as blocks.
 @findex hs-show-region
 @findex hs-hide-level
 @findex hs-toggle-hiding
+@findex hs-cycle
 @kindex C-c @@ C-h
 @kindex C-c @@ C-s
 @kindex C-c @@ C-c
@@ -1706,6 +1707,8 @@ count as blocks.
 @kindex C-c @@ C-M-s
 @kindex C-c @@ C-r
 @kindex C-c @@ C-l
+@kindex C-c @@ TAB
+@kindex C-c @@ <backtab>
 @kindex S-mouse-2
 @table @kbd
 @item C-c @@ C-h
@@ -1726,6 +1729,10 @@ Show all blocks in the buffer (@code{hs-show-all}).
 @item C-u @var{n} C-c @@ C-l
 Hide all blocks @var{n} levels below this block
 (@code{hs-hide-level}).
+@item C-c @@ TAB
+Cycle the visibility state of the current block (@code{hs-cycle}).
+@item C-c @@ <backtab>
+Either hide or show all the blocks in the current buffer. (@code{hs-toggle-all}).
 @end table
 
 @vindex hs-hide-comments-when-hiding-all