;;; imenu.el --- framework for mode-specific buffer indexes
-;; Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+;; Copyright (C) 1994, 1995, 1996, 1997, 1998, 2003 Free Software Foundation, Inc.
;; Author: Ake Stenhoff <etxaksf@aom.ericsson.se>
;; Lars Lindberg <lli@sypro.cap.se>
:type 'integer
:group 'imenu)
-(defcustom imenu-always-use-completion-buffer-p nil
- "*Set this to non-nil for displaying the index in a completion buffer.
-
-`never' means never automatically display a listing of any kind.
-A value of nil (the default) means display the index as a mouse menu
-if the mouse was used to invoke `imenu'.
-Another non-nil value means always display the index in a completion buffer."
- :type '(choice (const :tag "On Mouse" nil)
- (const :tag "Never" never)
- (other :tag "Always" t))
- :group 'imenu)
+(defvar imenu-always-use-completion-buffer-p nil)
+(make-obsolete-variable 'imenu-always-use-completion-buffer-p
+ 'imenu-use-popup-menu "21.4")
+
+(defcustom imenu-use-popup-menu
+ (if imenu-always-use-completion-buffer-p
+ (not (eq imenu-always-use-completion-buffer-p 'never))
+ 'on-mouse)
+ "Use a popup menu rather than a minibuffer prompt.
+If nil, always use a minibuffer prompt.
+If t, always use a popup menu,
+If `on-mouse' use a popup menu when `imenu' was invoked with the mouse."
+ :type '(choice (const :tag "On Mouse" on-mouse)
+ (const :tag "Never" nil)
+ (other :tag "Always" t)))
+
+(defcustom imenu-eager-completion-buffer
+ (not (eq imenu-always-use-completion-buffer-p 'never))
+ "If non-nil, eagerly popup the completion buffer."
+ :type 'boolean)
(defcustom imenu-after-jump-hook nil
"*Hooks called after jumping to a place in the buffer.
"*The replacement string for spaces in index names.
Used when presenting the index in a completion buffer to make the
names work as tokens."
- :type 'string
+ :type '(choice string (const nil))
:group 'imenu)
(defcustom imenu-level-separator ":"
menulist (delq imenu--rescan-item menulist)))
(setq tail menulist)
(dolist (item tail)
- (if (imenu--subalist-p item)
- (setq keep-at-top (cons item keep-at-top)
- menulist (delq item menulist))))
+ (when (imenu--subalist-p item)
+ (push item keep-at-top)
+ (setq menulist (delq item menulist))))
(if imenu-sort-function
- (setq menulist
- (sort
- (copy-sequence menulist)
- imenu-sort-function)))
+ (setq menulist (sort menulist imenu-sort-function)))
(if (> (length menulist) imenu-max-items)
- (let ((count 0))
- (setq menulist
- (mapcar
- (function
- (lambda (menu)
- (cons (format "From: %s" (caar menu)) menu)))
- (imenu--split menulist imenu-max-items)))))
+ (setq menulist
+ (mapcar
+ (lambda (menu)
+ (cons (format "From: %s" (caar menu)) menu))
+ (imenu--split menulist imenu-max-items))))
(cons title
(nconc (nreverse keep-at-top) menulist))))
alist)
t))
-(defun imenu--create-keymap-1 (title alist)
- (let ((counter 0))
- (list* 'keymap title
- (mapcar
- (lambda (item)
- (list* (car item) (car item)
- (cond
- ((imenu--subalist-p item)
- (imenu--create-keymap-1 (car item) (cdr item)))
- (t
- `(lambda () (interactive)
- (imenu--menubar-select ',item))))))
- alist))))
+(defun imenu--create-keymap (title alist &optional cmd)
+ (list* 'keymap title
+ (mapcar
+ (lambda (item)
+ (list* (car item) (car item)
+ (cond
+ ((imenu--subalist-p item)
+ (imenu--create-keymap (car item) (cdr item) cmd))
+ (t
+ `(lambda () (interactive)
+ ,(if cmd `(,cmd ',item) (list 'quote item)))))))
+ alist)))
(defun imenu--in-alist (str alist)
"Check whether the string STR is contained in multi-level ALIST."
"Alist of syntax table modifiers to use while in `imenu--generic-function'.
The car of the assocs may be either a character or a string and the
-cdr is a syntax description appropriate fo `modify-syntax-entry'. For
+cdr is a syntax description appropriate for `modify-syntax-entry'. For
a string, all the characters in the string get the specified syntax.
This is typically used to give word syntax to characters which
(error "This buffer cannot use `imenu-default-create-index-function'"))))
;; Not used and would require cl at run time
-;;; (defun imenu--flatten-index-alist (index-alist &optional concat-names prefix)
-;;; ;; Takes a nested INDEX-ALIST and returns a flat index alist.
-;;; ;; If optional CONCAT-NAMES is non-nil, then a nested index has its
-;;; ;; name and a space concatenated to the names of the children.
-;;; ;; Third argument PREFIX is for internal use only.
-;;; (mapcan
-;;; (lambda (item)
-;;; (let* ((name (car item))
-;;; (pos (cdr item))
-;;; (new-prefix (and concat-names
-;;; (if prefix
-;;; (concat prefix imenu-level-separator name)
-;;; name))))
-;;; (cond
-;;; ((or (markerp pos) (numberp pos))
-;;; (list (cons new-prefix pos)))
-;;; (t
-;;; (imenu--flatten-index-alist pos new-prefix)))))
-;;; index-alist))
+;; (defun imenu--flatten-index-alist (index-alist &optional concat-names prefix)
+;; ;; Takes a nested INDEX-ALIST and returns a flat index alist.
+;; ;; If optional CONCAT-NAMES is non-nil, then a nested index has its
+;; ;; name and a space concatenated to the names of the children.
+;; ;; Third argument PREFIX is for internal use only.
+;; (mapcan
+;; (lambda (item)
+;; (let* ((name (car item))
+;; (pos (cdr item))
+;; (new-prefix (and concat-names
+;; (if prefix
+;; (concat prefix imenu-level-separator name)
+;; name))))
+;; (cond
+;; ((or (markerp pos) (numberp pos))
+;; (list (cons new-prefix pos)))
+;; (t
+;; (imenu--flatten-index-alist pos new-prefix)))))
+;; index-alist))
;;;
;;; Generic index gathering function.
"Defines whether `imenu--generic-function' should fold case when matching.
This variable should be set (only) by initialization code
-for modes which use `imenu--generic-function'. If it is not set, that
-function will use the current value of `case-fold-search' to match
-patterns.")
+for modes which use `imenu--generic-function'. If it is not set, but
+`font-lock-defaults' is set, then font-lock's setting is used.")
;;;###autoload
(make-variable-buffer-local 'imenu-case-fold-search)
PATTERNS is an alist with elements that look like this:
(MENU-TITLE REGEXP INDEX).
+or like this:
+ (MENU-TITLE REGEXP INDEX FUNCTION ARGUMENTS...)
+with zero or more ARGUMENTS.
MENU-TITLE is a string used as the title for the submenu or nil if the
entries are not nested.
See `lisp-imenu-generic-expression' for an example of PATTERNS.
Returns an index of the current buffer as an alist. The elements in
-the alist look like: (INDEX-NAME . INDEX-POSITION). They may also be
-nested index lists like (INDEX-NAME . INDEX-ALIST) depending on
-PATTERNS."
+the alist look like:
+ (INDEX-NAME . INDEX-POSITION)
+or like:
+ (INDEX-NAME INDEX-POSITION FUNCTION ARGUMENTS...)
+They may also be nested index alists like:
+ (INDEX-NAME . INDEX-ALIST)
+depending on PATTERNS."
(let ((index-alist (list 'dummy))
prev-pos beg
- (case-fold-search imenu-case-fold-search)
+ (case-fold-search (if (or (local-variable-p 'imenu-case-fold-search)
+ (not (local-variable-p 'font-lock-defaults)))
+ imenu-case-fold-search
+ (nth 2 font-lock-defaults)))
(old-table (syntax-table))
(table (copy-syntax-table (syntax-table)))
(slist imenu-syntax-alist))
;; The character(s) to modify may be a single char or a string.
(if (numberp (car syn))
(modify-syntax-entry (car syn) (cdr syn) table)
- (dolist (c (car syn))
- (modify-syntax-entry c (cdr syn) table))))
+ (mapc (lambda (c)
+ (modify-syntax-entry c (cdr syn) table))
+ (car syn))))
(goto-char (point-max))
(imenu-progress-message prev-pos 0 t)
(unwind-protect ; for syntax table
(let ((name (thing-at-point 'symbol))
choice
(prepared-index-alist
- (mapcar
- (lambda (item)
- (cons (subst-char-in-string ?\ (aref imenu-space-replacement 0)
- (car item))
- (cdr item)))
- index-alist)))
+ (if (not imenu-space-replacement) index-alist
+ (mapcar
+ (lambda (item)
+ (cons (subst-char-in-string ?\ (aref imenu-space-replacement 0)
+ (car item))
+ (cdr item)))
+ index-alist))))
(when (stringp name)
(setq name (or (imenu-find-default name prepared-index-alist) name)))
(cond (prompt)
((and name (imenu--in-alist name prepared-index-alist))
(setq prompt (format "Index item (default %s): " name)))
(t (setq prompt "Index item: ")))
- (if (eq imenu-always-use-completion-buffer-p 'never)
- (setq name (completing-read prompt
- prepared-index-alist
- nil t nil 'imenu--history-list name))
- (save-window-excursion
- ;; Display the completion buffer
- (with-output-to-temp-buffer "*Completions*"
- (display-completion-list
- (all-completions "" prepared-index-alist )))
- (let ((minibuffer-setup-hook
- (function
- (lambda ()
- (let ((buffer (current-buffer)))
- (with-current-buffer "*Completions*"
- (setq completion-reference-buffer buffer)))))))
- ;; Make a completion question
- (setq name (completing-read prompt
- prepared-index-alist
- nil t nil 'imenu--history-list name)))))
+ (let ((minibuffer-setup-hook minibuffer-setup-hook))
+ ;; Display the completion buffer.
+ (if (not imenu-eager-completion-buffer)
+ (add-hook 'minibuffer-setup-hook 'minibuffer-completion-help))
+ (setq name (completing-read prompt
+ prepared-index-alist
+ nil t nil 'imenu--history-list name)))
(cond ((not (stringp name)) nil)
((string= name (car imenu--rescan-item)) t)
(t
Returns t for rescan and otherwise an element or subelement of INDEX-ALIST."
(setq index-alist (imenu--split-submenus index-alist))
(let* ((menu (imenu--split-menu index-alist (or title (buffer-name))))
- (map (imenu--create-keymap-1 (car menu)
- (if (< 1 (length (cdr menu)))
- (cdr menu)
- (cdr (car (cdr menu)))))))
+ (map (imenu--create-keymap (car menu)
+ (cdr (if (< 1 (length (cdr menu)))
+ menu
+ (car (cdr menu)))))))
(popup-menu map event)))
(defun imenu-choose-buffer-index (&optional prompt alist)
With no index alist ALIST, it calls `imenu--make-index-alist' to
create the index alist.
-If `imenu-always-use-completion-buffer-p' is non-nil, then the
+If `imenu-use-popup-menu' is non-nil, then the
completion buffer is always used, no matter if the mouse was used or
not.
(while (eq result t)
(setq index-alist (if alist alist (imenu--make-index-alist)))
(setq result
- (if (and mouse-triggered
- (not imenu-always-use-completion-buffer-p))
+ (if (and imenu-use-popup-menu
+ (or (eq imenu-use-popup-menu t) mouse-triggered))
(imenu--mouse-menu index-alist last-nonmenu-event)
(imenu--completion-buffer index-alist prompt)))
(and (eq result t)
(setq index-alist (imenu--split-submenus index-alist))
(setq menu (imenu--split-menu index-alist
(buffer-name)))
- (setq menu1 (imenu--create-keymap-1 (car menu)
- (if (< 1 (length (cdr menu)))
- (cdr menu)
- (cdr (car (cdr menu))))))
+ (setq menu1 (imenu--create-keymap (car menu)
+ (cdr (if (< 1 (length (cdr menu)))
+ menu
+ (car (cdr menu))))
+ 'imenu--menubar-select))
(setq old (lookup-key (current-local-map) [menu-bar index]))
(setcdr old (cdr menu1)))))))
(provide 'imenu)
+;;; arch-tag: 98a2f5f5-4b91-4704-b18c-3aacf77d77a7
;;; imenu.el ends here
HCoop / bpt / emacs.git / blobdiff