Re: bind callbacks with arguments

--- [email protected] wrote:

> Sorry to beat this to death, but I do have a
> solution to resizing 
> widgets by using GeometryRequest. Right now a
> fundamental problem has 
> cropped up with the callback in the bind definition.
>  For some reason 
> when I shift the parameters to the variable $parm,
> $parm becomes the 
> HASH for the actual Text widget and not the value 0
> or 1 as I believe I 
> have defined it.  Please run this scripts and double
> click one of the 
> text widgets and review the print output.  I really
> dont know how this 
> is possible.  

It is a by-product of how Perl/Tk glue logic evaluates
callbacks. In this case, there are two arguments
passed to resize:

   $tw (or $bw), 0 (or 1)

one fix:

> sub resize () {
>         my $parm=shift;

  my $parm = pop;

--Ala



	
		
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