Add commands to move to next/previous column in tabulated-list-mode

* lisp/emacs-lisp/tabulated-list.el (tabulated-list-mode-map): Add
keybindings M-left and M-right.
(tabulated-list-previous-column tabulated-list-next-column): Implement
commands (bug#44711).
This commit is contained in:
Peter Feigl 2021-07-25 09:16:08 +02:00 committed by Lars Ingebrigtsen
parent f04f8126f0
commit a6afa221d7
2 changed files with 27 additions and 0 deletions

View file

@ -214,6 +214,8 @@ If ADVANCE is non-nil, move forward by one line afterwards."
special-mode-map))
(define-key map "n" 'next-line)
(define-key map "p" 'previous-line)
(define-key map (kbd "M-<left>") 'tabulated-list-previous-column)
(define-key map (kbd "M-<right>") 'tabulated-list-next-column)
(define-key map "S" 'tabulated-list-sort)
(define-key map "}" 'tabulated-list-widen-current-column)
(define-key map "{" 'tabulated-list-narrow-current-column)
@ -740,6 +742,28 @@ Interactively, N is the prefix numeric argument, and defaults to
(setq-local tabulated-list--current-lnum-width lnum-width)
(tabulated-list-init-header)))))
(defun tabulated-list-next-column (&optional arg)
"Go to the start of the next column after point on the current line.
If ARG is provided, move that many columns."
(interactive "p")
(dotimes (_ (or arg 1))
(let ((next (or (next-single-property-change
(point) 'tabulated-list-column-name)
(point-max))))
(when (<= next (line-end-position))
(goto-char next)))))
(defun tabulated-list-previous-column (&optional arg)
"Go to the start of the column point is in on the current line.
If ARG is provided, move that many columns."
(interactive "p")
(dotimes (_ (or arg 1))
(let ((prev (or (previous-single-property-change
(point) 'tabulated-list-column-name)
1)))
(unless (< prev (line-beginning-position))
(goto-char prev)))))
;;; The mode definition:
(defvar tabulated-list--original-order nil)