Re: Menu manager/journaling question

[David A Lyons <dlyons@apple.com>]

In article <1se5ld$rvo@altitude.HIP.CAM.ORG> Phillip Vandry,
vandry@CAM.ORG writes:
> >I don't think run queue routines are executed during a MenuSelect,
since DAs
> >are not active during menu selection.
> 
> That's only because _GetOSEvent doesn't call _SystemEvent, the routine
> responsible for intercepting and acting on desk accessory events.
> 
> _MenuSelect calls _GetOSEvent instead of _GetNextEvent because events
like
> activate events and update events would be bad while a menu is open.
> 
> In HKMenus, I got CDAs to work while a menu is open by calling
_SystemEvent
> myself if _GetOSEvent returned a CDA event. (Notice that the highlight
> bar disappears just before going to the CDA menus and reappears right
> after)

Good point on GetNextEvent vs. GetOSEvent.

Note that Run Queue tasks get called by SystemTask (which MenuSelect also
doesn't call), not by SystemEvent.

David A. Lyons, Apple Computer, Inc.      |   DAL Systems
Apple II System Software Engineer         |   P.O. Box 875
Internet:dlyons@apple.com                 |   Cupertino, CA 95015-0875

My opinions are my own, not Apple's.