[Scilab-users] root object: get(0)

[Stéphane Mottelet]

I didn't know.. but using the same handle for the console and the root window is very misleading to me. Scilab is full of misleading stuff like this...

S.

> Le 5 déc. 2016 à 13:05, Samuel Gougeon <sgougeon at free.fr> a écrit :
> 
> Hello Stéphane,
> 
>> 
>> -------- Message transféré --------         
>> Sujet :	Re: [Scilab-users] How to remove all the figure in a single instruction
>> Date :	Mon, 5 Dec 2016 12:28:19 +0100
>> De :	Stéphane Mottelet
>> Pour :	Users mailing list for Scilab <users at lists.scilab.org>
>> Sorry, Denis was faster than me... Btw, the graphical objects hierachy 
>> is missing a root window object, i.e. something that would allow :
>> 
>> -->rw=get("root_window")
>>  rw  =
>> 
>> Handle of type "Root" with properties:
>> ========================================
>> children: ["Figure","Figure"]
>> 
>> and later
>> 
>> -->delete(get(rw,"children"))
> 
> I am sorry, but what would be the interest of such a syntax compared to the existing xdel(winsid())?
> 
> The root object already exists. It somehow represents the screen:
> 
> -->get(0)
>  ans  =
>  
> Handle of type "Console" with properties:
> =========================================
> Children: "uimenu"
> ShowHiddenHandles = "off"
> ShowHiddenProperties = "off"
> UseDeprecatedSkin = "off"
> 
> -->uman root_properties al
> =====================================================================================
>  
> Scilab > GUI > root_properties
> ..............................
>  
> root_properties - description of the root object properties.
>  
> Description
> -----------
>  The root object is a virtual object used to get the computer screen properties. Use
>  get function with 0 as first argument to access its properties.
>   Root properties : 
>         screensize_px : The screen size in pixels.
>         screensize_pt : The screen size in points.
>         screensize_mm : The screen size in millimeters.
>         screensize_cm : The screen size in centimeters.
>         screensize_in : The screen size in inches.
>         screensize_norm : The normalized screen size.
>         screendepth : The number of bits used to encode colors.
>  
> Examples
> --------
>  get(0, "screensize_px")
>  get(0, "screendepth")
>  
> See Also
> --------
>   get — Retrieve a property value from a graphics entity or an User Interface object.
>  
> It is somewhat completed by the getsystemmetrics() function:
> https://help.scilab.org/docs/6.0.0/en_US/getsystemmetrics.html
> 
> Samuel
> 
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