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8.6 Mnemonics in menus

On Microsoft Windows and GTK+ you can control the mnemonics in menu titles and menu items using the initargs :mnemonic, :mnemonic-title (and if necessary :mnemonic-escape).

This example illustrates the various ways you can specify the mnemonics in a menu:

  :mnemonic-title "M&nemonics"
   (make-instance 'menu-item
                  :data "Menu Item 1"
                  :mnemonic #\1)
   (make-instance 'menu-item
                  :data "Menu Item 2"
                  :mnemonic 10)
   (make-instance 'menu-item
                  :mnemonic-title "Menu Item &3")
   (make-instance 'menu-item
                  :mnemonic-title "Menu Item !4"
                  :mnemonic-escape #\!)
   (make-instance 'menu-item
                  :data "Menu Item 5"
                  :mnemonic :default)
   (make-instance 'menu-item
                  :data "Menu Item 6"
                  :mnemonic :none))))

This example shows two ways to specify menu title mnemonics within the :menus option of a define-interface form. The first way, using :mnemonic, is the most natural:

(capi:define-interface menu-bar-mnemonics ()
  (:panes (pane1 capi:text-input-pane
                 :visible-min-width 200))
  (:layouts (main-layout 
             capi:column-layout '(pane1)))
   (menu1 "Menu One"
          :mnemonic #\O)
   (menu2 nil
          :mnemonic-title "Menu &Two"))
  (:menu-bar menu1 menu2))
(capi:display (make-instance 'menu-bar-mnemonics))

CAPI User Guide and Reference Manual (Macintosh version) - 01 Dec 2021 19:31:20