It would be easier for us to help you if you gave us more of a clue as to what happened. Specifically, which of the lines in your excerpt was line 116 in the original file? Where and what was the "previous declaration" of $buffer you mentioned?

The line 

buffer = $text->get_buffer;
needs a "$" in front of buffer; this could be causing your problem. As to whether is really should be 
my $buffer = $text->get_buffer;
I can only guess.

Also, if you posted all of the connect sub, it is using $buffer as a global. This works (if $buffer is really a global), but passing it as a parameter is more flexible and less prone to attracting errors when making changes to the surrounding code. Like this: 

sub connect {
    my $buffer = shift;
    $buffer->set_text( "testing the text box and it must be working");
}

[download]
and you can call it as 
... connect($buffer) ...
Perl has no problem with using lexical variables of the same name to hold the same value in different subs (or different blocks -- enclosed by curly braces), but some people do find it easier to follow the code if each sub uses a different variable name that is unique throughout the program.

In reply to Re: Gtk2 text widget by quester
in thread Gtk2 text widget by deadpickle

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