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From: warack@aero.ARPA (Chris Warack)
Newsgroups: net.micro.mac
Subject: Re: Time for SubMenus
Message-ID: <492@aero.ARPA>
Date: Sun, 6-Oct-85 22:21:48 EDT
Article-I.D.: aero.492
Posted: Sun Oct  6 22:21:48 1985
Date-Received: Sat, 12-Oct-85 17:34:53 EDT
References: <256@ssc-vax.UUCP> <27000009@convexs>
Reply-To: warack@aero.UUCP (Chris Warack)
Followup-To: net.micro.mac
Organization: The Discordian Society
Lines: 47
Summary: Elegant sub-menus

overlap
the first menu.  The first item of the sub-menu would be next to the
main menu item.  If the user moves the mouse directly on the sub-menu
(still dragging), he can then choose any item on the sub-menu just as if
it was a main menu.  If he moves the mouse back to the main menu and/or
away from the sub-menu item on the main menu, the sub-menu disappears.
In summary, the sub-menu works like a main menu, but instead of being
pulled-down from the menu bar, it is pulled down by high-liting its item
in another menu.

The advantages of this:  It can be used to keep menus less cluttered by
allowing more levels of grouping.  It is much faster than using dialog
boxes.  It could be easily implemented -- just allow menu items to
include menus (thus menu-select and other toolbox calls would return the
correct codes and they could be stored as menu resources and used in
menu bars as well -- sub-menus would have to have unique menuID's of
course). 

Disadvantage:  Although I said easy to implement above; I meant this on
an application level.  It would require some low level witchery by Apple
to implement.

Note that this kind of implementation would allow (theoretically) a
number of nested sub-menus.

What do people think?  BTW, how does the Amiga do it?

Chris
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