X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/4c14013dbec3a2f130a38e61e885f1e8cc6c325b..bc81e2c4e885787603da3e0314d6ea45a43f7862:/lisp/emacs-lisp/easymenu.el diff --git a/lisp/emacs-lisp/easymenu.el b/lisp/emacs-lisp/easymenu.el index 9992861fc3..7957343714 100644 --- a/lisp/emacs-lisp/easymenu.el +++ b/lisp/emacs-lisp/easymenu.el @@ -1,7 +1,6 @@ ;;; easymenu.el --- support the easymenu interface for defining a menu -;; Copyright (C) 1994, 1996, 1998, 1999, 2000, 2001, 2002, 2003, -;; 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. +;; Copyright (C) 1994, 1996, 1998-2011 Free Software Foundation, Inc. ;; Keywords: emulations ;; Author: Richard Stallman @@ -30,6 +29,8 @@ ;;; Code: +(eval-when-compile (require 'cl)) + (defvar easy-menu-precalculate-equivalent-keybindings nil "Determine when equivalent key bindings are computed for easy-menu menus. It can take some time to calculate the equivalent key bindings that are shown @@ -66,8 +67,8 @@ expression has a non-nil value. `:included' is an alias for `:visible'. :active ENABLE -ENABLE is an expression; the menu is enabled for selection -whenever this expression's value is non-nil. +ENABLE is an expression; the menu is enabled for selection whenever +this expression's value is non-nil. `:enable' is an alias for `:active'. The rest of the elements in MENU, are menu items. @@ -104,8 +105,8 @@ keyboard equivalent. :active ENABLE -ENABLE is an expression; the item is enabled for selection -whenever this expression's value is non-nil. +ENABLE is an expression; the item is enabled for selection whenever +this expression's value is non-nil. `:enable' is an alias for `:active'. :visible INCLUDE @@ -163,10 +164,13 @@ This is expected to be bound to a mouse event." (prog1 (get menu 'menu-prop) (setq menu (symbol-function menu)))))) (cons 'menu-item - (cons (or item-name - (if (keymapp menu) - (keymap-prompt menu)) - "") + (cons (if (eq :label (car props)) + (prog1 (cadr props) + (setq props (cddr props))) + (or item-name + (if (keymapp menu) + (keymap-prompt menu)) + "")) (cons menu props))))) ;;;###autoload @@ -232,15 +236,14 @@ possibly preceded by keyword pairs as described in `easy-menu-define'." (keywordp (setq keyword (car menu-items)))) (setq arg (cadr menu-items)) (setq menu-items (cddr menu-items)) - (cond - ((eq keyword :filter) + (case keyword + (:filter (setq filter `(lambda (menu) (easy-menu-filter-return (,arg menu) ,menu-name)))) - ((eq keyword :active) (setq enable (or arg ''nil))) - ((eq keyword :label) (setq label arg)) - ((eq keyword :help) (setq help arg)) - ((or (eq keyword :included) (eq keyword :visible)) - (setq visible (or arg ''nil))))) + ((:enable :active) (setq enable (or arg ''nil))) + (:label (setq label arg)) + (:help (setq help arg)) + ((:included :visible) (setq visible (or arg ''nil))))) (if (equal visible ''nil) nil ; Invisible menu entry, return nil. (if (and visible (not (easy-menu-always-true-p visible))) @@ -249,14 +252,14 @@ possibly preceded by keyword pairs as described in `easy-menu-define'." (setq prop (cons :enable (cons enable prop)))) (if filter (setq prop (cons :filter (cons filter prop)))) (if help (setq prop (cons :help (cons help prop)))) - (if label (setq prop (cons nil (cons label prop)))) - (if filter - ;; The filter expects the menu in its XEmacs form and the pre-filter - ;; form will only be passed to the filter anyway, so we'd better - ;; not convert it at all (it will be converted on the fly by - ;; easy-menu-filter-return). - (setq menu menu-items) - (setq menu (append menu (mapcar 'easy-menu-convert-item menu-items)))) + (if label (setq prop (cons :label (cons label prop)))) + (setq menu (if filter + ;; The filter expects the menu in its XEmacs form and the + ;; pre-filter form will only be passed to the filter + ;; anyway, so we'd better not convert it at all (it will + ;; be converted on the fly by easy-menu-filter-return). + menu-items + (append menu (mapcar 'easy-menu-convert-item menu-items)))) (when prop (setq menu (easy-menu-make-symbol menu 'noexp)) (put menu 'menu-prop prop)) @@ -312,7 +315,7 @@ ITEM defines an item as in `easy-menu-define'." ;; Invisible menu item. Don't insert into keymap. (setq remove t) (when (and (symbolp command) (setq prop (get command 'menu-prop))) - (when (null (car prop)) + (when (eq :label (car prop)) (setq label (cadr prop)) (setq prop (cddr prop))) (setq command (symbol-function command))))) @@ -331,30 +334,28 @@ ITEM defines an item as in `easy-menu-define'." (setq keyword (aref item count)) (setq arg (aref item (1+ count))) (setq count (+ 2 count)) - (cond - ((or (eq keyword :included) (eq keyword :visible)) - (setq visible (or arg ''nil))) - ((eq keyword :key-sequence) - (setq cache arg cache-specified t)) - ((eq keyword :keys) (setq keys arg no-name nil)) - ((eq keyword :label) (setq label arg)) - ((eq keyword :active) (setq active (or arg ''nil))) - ((eq keyword :help) (setq prop (cons :help (cons arg prop)))) - ((eq keyword :suffix) (setq suffix arg)) - ((eq keyword :style) (setq style arg)) - ((eq keyword :selected) (setq selected (or arg ''nil))))) + (case keyword + ((:included :visible) (setq visible (or arg ''nil))) + (:key-sequence (setq cache arg cache-specified t)) + (:keys (setq keys arg no-name nil)) + (:label (setq label arg)) + ((:active :enable) (setq active (or arg ''nil))) + (:help (setq prop (cons :help (cons arg prop)))) + (:suffix (setq suffix arg)) + (:style (setq style arg)) + (:selected (setq selected (or arg ''nil))))) (if suffix (setq label (if (stringp suffix) (if (stringp label) (concat label " " suffix) - (list 'concat label (concat " " suffix))) + `(concat ,label ,(concat " " suffix))) (if (stringp label) - (list 'concat (concat label " ") suffix) - (list 'concat label " " suffix))))) + `(concat ,(concat label " ") ,suffix) + `(concat ,label " " ,suffix))))) (cond ((eq style 'button) (setq label (if (stringp label) (concat "[" label "]") - (list 'concat "[" label "]")))) + `(concat "[" ,label "]")))) ((and selected (setq style (assq style easy-menu-button-prefix))) (setq prop (cons :button @@ -674,5 +675,4 @@ In some cases we use that to select between the local and global maps." (provide 'easymenu) -;; arch-tag: 2a04020d-90d2-476d-a7c6-71e072007a4a ;;; easymenu.el ends here