[Scilab-users] Start an arrested loop with one keystroke only

[Jens]

Hallo Tim,
I have answered my  last question by 'while' instead of 'for':

function  k=stopgoclick(k,n)//control a figure loop by mouseclicks
         //INPUT
         //k: figure loop counter
         //n: length of figure loop
         //left mouse click: continue loop i. e. next figure  (b(1)=3)
         //middle mouse click: abort script  (b(1)=4)
         //right mouse click: break loop (b(1)=5)
         //OUTPUT
         //k; n after right mouse click to break loop,  else: k from input
         //Example: i=1; while i<=n; plot(x,i*x); i=stopgoclick(i,n);  i=i+1; end
         b=xclick()
         if  b(1)==3//left mouse: next image
            return  
        elseif  b(1)==4//middle mouse: end script
            abort
        elseif  b(1)==5//break loop
            k=n+1
         end  
endfunction

     x=0:1;
     n=10;
     i=1;
while  i<=n
     plot(x,i*x)
     i=stopgoclick(i,n);     
     i=i+1;
end
'further commands'


I am satisfied with the function. Please advise if a simpler solution 
exists.
Cheers
Jens
-------------------------------------------------------------
Am 22.11.2016 12:28, schrieb Jens Simon Strom:
> Hallo Tim,
> Did you mean something like this?:
> function  b1=stopgoclick()
>          //left mouse: next image,, middle mous: abort
>          b=xclick();
>          b1=b(1)
>          if  b1==3//left mouse: next image
>             return  
>         elseif  b1==4//middle mouse: end script
>             abort
>          end  
> endfunction
>
>      x=0:1
> for  i=1:10
>      plot(x,i*x)
>      b1=stopgoclick()     
>         if  b1==5//right mouse: break loop
>         break
>         end
> end
> 'further commands'
> If that is o.k. could you help me to handle the loop break case from 
> inside the function?
> Cheers
> Jens
> --------------------------------------------
>
> Am 22.11.2016 01:36, schrieb Tim Wescott [via Scilab / Xcos - Mailing 
> Lists Archives]:
>> xclick()
>>
>> On Mon, 2016-11-21 at 17:22 -0700, Jens wrote:
>>
>> > Hallo Scilab users,
>> > I am searching for a convenient way to  restart a loop with only 
>> *one* key
>> > or mouse stroke. The loop may generate and show graphics or not. I 
>> tried
>> > xclick, pause, halt, and input with little success. input is 
>> closest to the
>> > target but not close enough.
>> >
>> >    for i=1:3
>> >       plot()
>> >       //commands wanted which stops the loop and continues it with 
>> ONE key
>> > or mouse stroke only.
>> >       //input('click on console and press return')// very close but 
>> more
>> > than one stroke
>> >       xdel();
>> >   end
>> >
>> >
>> >
>> > --
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>>
>> -- 
>>
>> Tim Wescott
>> www.wescottdesign.com
>> Control & Communications systems, circuit & software design.
>> Phone: 503.631.7815
>> Cell:  503.349.8432
>>
>>
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