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Re: Example using x-popup-menu needed

From: Stefan Monnier
Subject: Re: Example using x-popup-menu needed
Date: Fri, 17 Oct 2003 20:14:50 GMT
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50

>    (let ((item)
>   (item-list))
>      (while menu-items
>        (setq item (car menu-items))
>        (if (consp item)
>     (setq item-list (cons (cons (car item) (cdr item) ) item-list))
why do such unnecessary copying ?

>   (setq item-list (cons (cons item item) item-list)))
>        (setq menu-items (cdr menu-items))
>        )
>      (x-popup-menu t (list menu-title (cons menu-title (nreverse
>      item-list))))))

You mean (x-popup-menu
          t (list menu-title
                  (cons menu-title
                        (mapcar (lambda (item)
                                  (if (consp item) item
                                    (cons item item)))

>      (eval-expression
>       (car
>        (read-from-string
>         (choose-from-menu
>       "Commands"
>       (list
>        (cons "Copy                C-insert" "(call-interactively
>        'copy-region-as-kill)")
>        (cons "Goto Line"              "(call-interactively 'goto-line)")
>        (cons "Paste/yank        S-insert"     "(yank)")
>        (cons "Redo"                   "(redo)")
>        (cons "Search files"           "(call-interactively 'grep)")
>        (cons "Undo                 C-_"       "(undo)")
>        (cons "Word completion M-/"    "(call-interactively 'dabbrev-expand)")
>        ))))))

You mean

   (choose-from-menu "Commands"
                     '(("Copy             C-insert" . copy-region-as-kill)
                       ("Goto Line"                 . goto-line)
                       ("Paste/Yank       S-insert" . yank)
                       ("Redo"                      . redo)
                       ("Search Files"              . grep)
                       ("Undo             C-_"      . undo)
                       ("Word Completion  M-/"      . dabbrev-expand))))

>    (global-set-key [mouse-3] 'right-popup)

If you define `right-popup' as a menu keymap, you'll save yourself
the trouble of calling the commands and you'll get the hotkeys for free.


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