action-alist ", ")
" ")
""))
- ;; Make a map that defines all the user keys as `user'.
+ ;; Make a map that defines each user key as a vector containing
+ ;; its definition.
(map (cons 'keymap
- (append (mapcar (function
- (lambda (elt)
- (cons (car elt) 'user)))
+ (append (mapcar (lambda (elt)
+ (cons (car elt) (vector (nth 1 elt))))
action-alist)
query-replace-map)))
(actions 0)
- prompt char elt tail def
- (next (if (or (symbolp list)
+ prompt char elt tail def delayed-switch-frame
+ (next (if (or (and list (symbolp list))
(subrp list)
(byte-code-function-p list)
(and (consp list)
list (cdr list))
t)
nil))))))
-
- (if (stringp prompter)
- (setq prompter (` (lambda (object)
- (format (, prompter) object)))))
- (while (funcall next)
- (setq prompt (funcall prompter elt))
- (if (stringp prompt)
- (progn
- (setq quit-flag nil)
- ;; Prompt the user about this object.
- (let ((cursor-in-echo-area t))
- (message "%s(y, n, !, ., q, %sor %s) "
- prompt user-keys
- (key-description (char-to-string help-char)))
- (setq char (read-event)))
- (setq def (lookup-key map (vector char)))
- (cond ((eq def 'exit)
- (setq next (function (lambda () nil))))
- ((eq def 'act)
- ;; Act on the object.
- (funcall actor elt)
- (setq actions (1+ actions)))
- ((eq def 'skip)
- ;; Skip the object.
- )
- ((eq def 'act-and-exit)
- ;; Act on the object and then exit.
- (funcall actor elt)
- (setq actions (1+ actions)
- next (function (lambda () nil))))
- ((eq def 'quit)
- (setq quit-flag t)
- (setq next (` (lambda ()
- (setq next '(, next))
- '(, elt)))))
- ((eq def 'automatic)
- ;; Act on this and all following objects.
- (if (eval (funcall prompter elt))
- (progn
+ (unwind-protect
+ (progn
+ (if (stringp prompter)
+ (setq prompter (` (lambda (object)
+ (format (, prompter) object)))))
+ (while (funcall next)
+ (setq prompt (funcall prompter elt))
+ (if (stringp prompt)
+ (progn
+ (setq quit-flag nil)
+ ;; Prompt the user about this object.
+ (let ((cursor-in-echo-area t))
+ (message "%s(y, n, !, ., q, %sor %s) "
+ prompt user-keys
+ (key-description (char-to-string help-char)))
+ (setq char (read-event)))
+ ;; Show the answer to the question.
+ (message "%s(y, n, !, ., q, %sor %s) %s"
+ prompt user-keys
+ (key-description (char-to-string help-char))
+ (single-key-description char))
+ (setq def (lookup-key map (vector char)))
+ (cond ((eq def 'exit)
+ (setq next (function (lambda () nil))))
+ ((eq def 'act)
+ ;; Act on the object.
+ (funcall actor elt)
+ (setq actions (1+ actions)))
+ ((eq def 'skip)
+ ;; Skip the object.
+ )
+ ((eq def 'act-and-exit)
+ ;; Act on the object and then exit.
(funcall actor elt)
- (setq actions (1+ actions))))
- (while (funcall next)
- (if (eval (funcall prompter elt))
- (progn
- (funcall actor elt)
- (setq actions (1+ actions))))))
- ((eq def 'help)
- (with-output-to-temp-buffer "*Help*"
- (princ
- (let ((object (if help (nth 0 help) "object"))
- (objects (if help (nth 1 help) "objects"))
- (action (if help (nth 2 help) "act on")))
- (concat (format "Type SPC or `y' to %s the current %s;
+ (setq actions (1+ actions)
+ next (function (lambda () nil))))
+ ((eq def 'quit)
+ (setq quit-flag t)
+ (setq next (` (lambda ()
+ (setq next '(, next))
+ '(, elt)))))
+ ((eq def 'automatic)
+ ;; Act on this and all following objects.
+ (if (eval (funcall prompter elt))
+ (progn
+ (funcall actor elt)
+ (setq actions (1+ actions))))
+ (while (funcall next)
+ (if (eval (funcall prompter elt))
+ (progn
+ (funcall actor elt)
+ (setq actions (1+ actions))))))
+ ((eq def 'help)
+ (with-output-to-temp-buffer "*Help*"
+ (princ
+ (let ((object (if help (nth 0 help) "object"))
+ (objects (if help (nth 1 help) "objects"))
+ (action (if help (nth 2 help) "act on")))
+ (concat
+ (format "Type SPC or `y' to %s the current %s;
DEL or `n' to skip the current %s;
! to %s all remaining %s;
ESC or `q' to exit;\n"
- action object object action objects)
- (mapconcat (function
- (lambda (elt)
- (format "%c to %s"
- (nth 0 elt)
- (nth 2 elt))))
- action-alist
- ";\n")
- (if action-alist ";\n")
- (format "or . (period) to %s \
+ action object object action objects)
+ (mapconcat (function
+ (lambda (elt)
+ (format "%c to %s"
+ (nth 0 elt)
+ (nth 2 elt))))
+ action-alist
+ ";\n")
+ (if action-alist ";\n")
+ (format "or . (period) to %s \
the current %s and exit."
- action object)))))
-
- (setq next (` (lambda ()
- (setq next '(, next))
- '(, elt)))))
- ((eq def 'user)
- ;; A user-defined key.
- (if (funcall (nth 1 tail) elt) ;Call its function.
- ;; The function has eaten this object.
- (setq actions (1+ actions))
- ;; Regurgitated; try again.
- (setq next (` (lambda ()
- (setq next '(, next))
- '(, elt))))))
- (t
- ;; Random char.
- (message "Type %s for help."
- (key-description (char-to-string help-char)))
- (beep)
- (sit-for 1)
- (setq next (` (lambda ()
- (setq next '(, next))
- '(, elt)))))))
- (if (eval prompt)
- (progn
- (funcall actor elt)
- (setq actions (1+ actions))))))
+ action object)))))
+
+ (setq next (` (lambda ()
+ (setq next '(, next))
+ '(, elt)))))
+ ((vectorp def)
+ ;; A user-defined key.
+ (if (funcall (aref def 0) elt) ;Call its function.
+ ;; The function has eaten this object.
+ (setq actions (1+ actions))
+ ;; Regurgitated; try again.
+ (setq next (` (lambda ()
+ (setq next '(, next))
+ '(, elt))))))
+ ((and (consp char)
+ (eq (car char) 'switch-frame))
+ ;; switch-frame event. Put it off until we're done.
+ (setq delayed-switch-frame char)
+ (setq next (` (lambda ()
+ (setq next '(, next))
+ '(, elt)))))
+ (t
+ ;; Random char.
+ (message "Type %s for help."
+ (key-description (char-to-string help-char)))
+ (beep)
+ (sit-for 1)
+ (setq next (` (lambda ()
+ (setq next '(, next))
+ '(, elt)))))))
+ (if (eval prompt)
+ (progn
+ (funcall actor elt)
+ (setq actions (1+ actions)))))))
+ (if delayed-switch-frame
+ (setq unread-command-events
+ (cons delayed-switch-frame unread-command-events))))
;; Clear the last prompt from the minibuffer.
(message "")
;; Return the number of actions that were taken.