Re: Feature question: waiting on a plot window

[Dima K. <gn...@di...>]

sfeam <sf...@us...> writes:

> On Sunday, 19 August 2018 20:25:24 Dima Kogan wrote:
>> Dima Kogan <gn...@di...> writes:
>>
>> > Ethan A Merritt <sf...@us...> writes:
>> >
>> >> On Friday, August 17, 2018 1:15:24 PM PDT Dima Kogan wrote:
>> >>>
>> >>> I'm looking for a feature that (I think) doesn't exist currently. Want
>> >>> to ask first, in case something DOES exist that I'm not seeing.
>> >>
>> >> The command you are looking for is
>> >> 	pause mouse close
>>
>> This works in its most basic form, which is awesome. Thanks! But I'm now
>> going to be a pain in the butt. For a gnuplot-using application to work
>> reasonably, this needs to only wait for a window-close event when one is
>> coming: i.e. when a window is open. Scenarios that could happen:
>>
>> 1. User already closed the window before I send my "pause mouse close"
>
> That sounds like a case of "well then don't do that".
> If the parent program sends the plot command and the pause command
> in immediate succession the time window in which that race could happen
> would be very small.  If the commands do not come in immediate
> succession then maybe the program logic needs re-thinking.
> Can you give a more complete example of the flow of events?
>
>> 2. We're using a non-interactive terminal (dumb, pdf, etc etc)
>> Ideas on handling that?
>
> So far as I know, in that case the next <\n> in the input stream
> will terminal the "pause" command.  Does that not work for you?

I played with it a bit more just now, and it's good-enough. It would be
NICE if "pause mouse close" could know if there's anything to
potentially wait for, but I guess I don't strictly need it.

Thanks much. This will fix a long-standing annoyance with gnuplotlib