Re: Gtk2::SpinButton For Hex

[Robert Wilkinson <bob fourtheye org>]

On Tue, May 19, 2015 at 10:22:51PM +0000, Williams, James P2 wrote:
> How can I use a Gtk2::SpinButton to prompt for an integer expressed in hex?  I've tried the following, but 
> it fails.
>
>    use strict;
>    use warnings;
>
>    use Glib qw(TRUE FALSE);
>    use Gtk2 qw(-init);
>
>    my($spin)=Gtk2::SpinButton->new_with_range(0,1000,1);
>    $spin->set_numeric(FALSE);
>    $spin->signal_connect(output => \&outputCB);
>
>    my($win)=new Gtk2::Window();
>    $win->add($spin);
>    $win->show_all();
>
>    Gtk2->main();
>
>    sub outputCB
>    {
>       my($spin)= _;
>       my($value)=$spin->get_adjustment()->get_value();
>
>       $spin->set_text(sprint '%X',$value);
>    }
>
> The text appears to be correct while I hold either arrow button down; I see hex values incrementing.  
> However, single clicks of an arrow button fail if the displayed text contains A-F.  Hitting the Enter key 
> also fails on the same values.  In both cases, the text changes to a decimal integer.
>
> Thanks.
>
> Jim

Hi Jim

What do the '$value's look like in the outputCB (either in a
debugger or ...).

sprint - should be sprintf?

Maybe try set_value or set_digits rather than set_text?

How are any of these impacted by the set_numeric statement?

Bob