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(comint-dynamic-list-completions): Repeating the command

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after displaying a completion list scrolls the list.
This commit is contained in:
Richard M. Stallman 2002-01-12 06:59:02 +00:00
parent 306da12ebe
commit 40e0410be9
1 changed files with 35 additions and 21 deletions
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56
lisp/comint.el
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@ -2795,27 +2795,41 @@ See also `comint-dynamic-complete-filename'."
(defun comint-dynamic-list-completions (completions)
"List in help buffer sorted COMPLETIONS.
Typing SPC flushes the help buffer."
(let ((conf (current-window-configuration)))
(with-output-to-temp-buffer "*Completions*"
(display-completion-list (sort completions 'string-lessp)))
(message "Hit space to flush")
(let (key first)
(if (save-excursion
(set-buffer (get-buffer "*Completions*"))
(setq key (read-key-sequence nil)
first (aref key 0))
(and (consp first) (consp (event-start first))
(eq (window-buffer (posn-window (event-start first)))
(get-buffer "*Completions*"))
(eq (key-binding key) 'mouse-choose-completion)))
;; If the user does mouse-choose-completion with the mouse,
;; execute the command, then delete the completion window.
(progn
(mouse-choose-completion first)
(set-window-configuration conf))
(if (eq first ?\ )
(set-window-configuration conf)
(setq unread-command-events (listify-key-sequence key)))))))
(let ((window (get-buffer-window "*Completions*")))
(if (and (eq last-command this-command)
window (window-live-p window) (window-buffer window)
(buffer-name (window-buffer window)))
;; If this command was repeated, and
;; there's a fresh completion window with a live buffer,
;; and this command is repeated, scroll that window.
(with-current-buffer (window-buffer window)
(if (pos-visible-in-window-p (point-max) window)
(set-window-start window (point-min))
(save-selected-window
(select-window window)
(scroll-up))))
(let ((conf (current-window-configuration)))
(with-output-to-temp-buffer "*Completions*"
(display-completion-list (sort completions 'string-lessp)))
(message "Type space to flush; repeat completion command to scroll")
(let (key first)
(if (save-excursion
(set-buffer (get-buffer "*Completions*"))
(setq key (read-key-sequence nil)
first (aref key 0))
(and (consp first) (consp (event-start first))
(eq (window-buffer (posn-window (event-start first)))
(get-buffer "*Completions*"))
(eq (key-binding key) 'mouse-choose-completion)))
;; If the user does mouse-choose-completion with the mouse,
;; execute the command, then delete the completion window.
(progn
(mouse-choose-completion first)
(set-window-configuration conf))
(if (eq first ?\ )
(set-window-configuration conf)
(setq unread-command-events (listify-key-sequence key)))))))))
(defun comint-get-next-from-history ()