Re: Problems with Gtk::Text and set_pointer and Text widget questions

[Stephen Wilhelm <swilhelm theriver com>]

On Tue, 14 Aug 2001, Mikko Lipasti wrote:

> Hi everyone,
>
> Am I just plain blind or is there something magic to this, but why don't
> I see $text declared (my)? Forgetting that would produce the
> 'uninitialized value' error message. Perhaps you should s/widget/text/g;
> (or vice versa) and try again?

I suspect that $text is a global variable, which is acceptable programming
practice in very small programs, such as my tutorials examples.  :)

Of course, I'm just guessing.

> mblanc erasme org wrote:
>
> > "Use of uninitialized value in subroutine entry at test2.pl line 143"
> > sub button_press {
> >         my ($widget, $event) = @_;
> >         my $len = $text->get_length()-1;
> > #       $text->set_point($len);
> > #       $text->set_point($text->get_point());
> > #       $text->set_point(3);
> > }
>
> --
> Mikko Lipasti
> mikko lipasti mo mailnet fi
>
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-- 
Stephen Wilhelm
    See my Gtk-Perl Tutorial:
    http://personal.riverusers.com/~swilhelm/gtkperl-tutorial/