[rescue] [OT] GDDM

[Dave McGuire]

On 9/17/23 06:23, Patrik Schindler via rescue wrote:
>> GDDM didn't provide GUI functionality per se, more application-oriented graphics.  Due to the way the 3270 datastream works, implementing a GUI as we think of them isn't terribly practical.
> 
> I have read (where?) that the OS/2 Presentation Manager UI is based on GDDM.

   Interesting, that would've been quite a feat, though there's a lot of 
code there that could be leveraged for such.

>> That's not me trash-talking 3270; it's very well-designed and it works amazingly well for what it was designed to do.
>>
>> We regularly run GDDM applications on 3290 and other graphics terminals at LSSM.
> 
> I'm currently supporting another new AS/400 hobbyist — a professional Java developer — in expanding tn5250j to support GDDM. I hopefully can keep his motivation up. ;-)

   Nice!!

> Which 3270 (current?) emulators are known to support GDDM?

   No idea here; we run it on real hardware.  GDDM can open windows on 
an X display with GDDMXD (/VM and /MVS), which opens up many possibilities.

               -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA