[Scilab-users] xdel replaced by close()

[Samuel Gougeon]

Hello Claus,

Le 21/01/2022 à 20:58, Claus Futtrup a écrit :
> Hi Scilabers
>
> Today I tried to replace xdel(winsid()) in one of my scripts with 
> close(winsid()) because Scilab shows a warning in the console:
>
> Warning: Feature xdel(...) is obsolete and will be permanently removed 
> in Scilab 6.2
>
> Warning: Please use close(...) instead.
>
> I am negatively surprised that the close() command takes a long time 
> to execute with 5-10 windows open (a few seconds per window). The 
> xdel() command can do it in a split second.
>

The issue comes not from close() but from the change offindobj() that it 
calls <http://bugzilla.scilab.org/show_bug.cgi?id=13738#c4>, noticeably 
to perform findobj("figure_id",id) in 6.1.1.
It does not impact only <http://bugzilla.scilab.org/16734> close() for 
this case, that was processed as a special accelerated case 
<https://codereview.scilab.org/#/c/20953/6/scilab/modules/gui/macros/findobj.sci> 
in the former findobj().

This downgradingwas reported 
<http://bugzilla.scilab.org/show_bug.cgi?id=7117#c6> 7 months before 
releasing 6.1.1, and knowingly ignored, while it is perfectly fixable by 
restoring the fast special case.


>
> What is the motivation for replacing xdel with close?

Both do the same thing. Scilab does not need duplicates.

Regards
Samuel
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