[Vm-dev] Another NuScratch issue

[Yoshiki Ohshima]

On Fri, Nov 20, 2020 at 5:11 PM Yoshiki Ohshima <Yoshiki.Ohshima at acm.org>
wrote:

>
>
> On Fri, Nov 20, 2020 at 4:50 PM tim Rowledge <tim at rowledge.org> wrote:
>
>>
>>
>>
>> > On 2020-11-20, at 3:10 PM, Yoshiki Ohshima <Yoshiki.Ohshima at acm.org>
>> wrote:
>> >
>> > So I built a new VM with a  fix  for the input method change.  I did
>> not fully test the other things but Scratch on the VM does not do
>> animations. It updates screen only when mouse is moved, or some slower
>> interval:
>> >
>> > https://photos.app.goo.gl/QHgKCeeP2bnQGESu5
>>
>> That's really weird. I see two systems running at the same time there -
>> same image? Different VM?
>>
>
> Yeah, those are running the same image on different VMs.
>
>>
>> >
>> > I suspect that there might have been some options I needed to pass in
>> to specify some timers?  Can you think of other reasons why this might
>> happen and where to look to fix it?
>>
>> I never had any timer related options to worry about, so it shouldn't be
>> anything to do with that.
>>
>> What happens if you use the 'new' VM but don't use the compositor/input
>> thing? IIRC I had terrible problems caused by that ibus program and we had
>> to make sure it didn't get into the Raspbian release.
>>
>
> I'll check it out. I wasn't expecting this kind of problem and did not
> fully test things out.
>

Not having compositioninput does not fix the problem. With a non-scratch
image and I run BouncingAtomsMorph, the screen update on my VM is one frame
per second unless I move the mouse pointer.

Which function to obtain the current time to tell the VM to run the next
event loop? I can check if it is called.

-- 
-- Yoshiki
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