Updating menus (was Re: Clipboard madness)
ambassador at fourthworld.com
Thu Sep 22 21:18:53 CDT 2005
Jeanne A. E. DeVoto wrote:
> At 1:22 PM -0700 9/22/2005, Richard Gaskin wrote:
>> But if the user has text on the Clipboard from another app, how does
>> your app know without something horribly inefficient like polling?
> I'd be inclined to just check the clipboard function on mouseDown in the
> menu bar. That way you only need to update the menu when it's actually
> displayed. (Of course you'd also need to check the clipboard in the
> menuPick handler itself, because if the user uses a keyboard equivalent
> you won't get the mouseDown, but I think that's not a bad idea anyway,
> just on general principles - it's the last line of defense for error
> handling in case the clipboard content isn't what you thought it was.)
While that takes care of the menu rendering, it doesn't take care of any
keyboard shortcuts that a menu might have.
Ken and Xavier's suggestion of using the resume message allows us to do
I still believe there's an even simpler way to handle that through
properties alone, but lately I think everything can be reduced to
property settings so I may just be crazy.....
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