🚀 go-pugleaf

[In article <1886@clyde.concordia.ca>,
     agostino@sherlock.cs.concordia.ca (DELIGIA agostino) writes ... ]

> Hi everyone!  Could anyone explain to me how I can save the menu bar of some
> program from within an accessory which is to use the whole screen?  It goes 
> like this:  I started writing an accessory prg and after coding the part which
> clears the screen, tried it.  Everything went fine until I left the acc--the
> menu bar was gone.  Then I remembered: I have to save the menu bar, but how?

A long time ago, Moshe Braner posted a skeleton program for converting a
TOS application to a desk accessory. In it, he saved the menu bar manually
by copying the first 1520 bytes of the physical screen to a safe place, then
copying it back when the ill-behaved desk accessory was ready to go back
to sleep. You find the physical screen by calling Physbase().

The DA also calls form_dial with the desktop's dimensions to cause the
screen manager to send redraw messages to any affected programs.

I've tried it and it works fine on my system. I believe it's the technique
he uses in the DA version of GNOME (GNOME's Not Ordinary Micro EMACS).

The 1520-byte figure is fine for low, medium and high resolution, but it's
not going to work on a Moniterm or Image Systems display.  Anybody want to
take a crack at a function that returns the proper size for the cheater's
menubar buffer, based on GEM's notion of the screen size?

-- 
   Steve Yelvington at the lake in Minnesota
   UUCP path: ... umn-cs.cs.umn.edu!thelake!steve