Re: Can't find duplicates after only Backspace in entry field.

[Mario Kemper <mario kemper googlemail com>]

I've just had a quick look at your program, but I think the regular
expression you are using to find the duplicate is not correct in this
case.

Try
    if ( $model->get($iter, $column) =~ /^$search_string$/ )

instead of 

    if ( $model->get($iter, $column) =~ /$search_string/ )

See http://perldoc.perl.org/perlre.html#Regular-Expressions for more
info.

Regards
Mario

Am Donnerstag, den 14.01.2010, 03:38 -0800 schrieb Zettai Muri:
> Hi All,
>
> I have used: 
> http://forgeftp.novell.com//gtk2-perl-study/documentation/html/sample_programs/gtk2_treeview_simple.pl as 
> the basis for the attached program.  Many thanks to Dirk van der Walt for such an awesome guide.
>
> When a row in the tree view is selected it populates the entry box below it.
>
> What I'm trying to do is make sure duplicates aren't added to the list. However I am getting strange 
> results depending on what I type into the entry field:
> 1. After launching the program, when I select row 2, "Row 2" appears in the entry box.
> 2. I place the cursor in the entry field at the end and press <Backspace>
> 3. I then click the 'Add' button.
>
> Duplicate dialog appears with message:
> "Row " has already been added. (But it doesn't appear in the list)
>
>
> If I do the following:
> 1. After launching the program, when I select row 2, "Row 2" appears in the entry box.
> 2. I place the cursor in the entry field at the end and press <Backspace>
> 3. I type any letter/number for example "Row Z"
> 4. I then click the 'Add' button.
>
> The output is "Adding Row Z to list"
>
> How do I get the program to recognise that after <Backspace> the entry in the field is not actually in the 
> list?
>
> Could someone please take a look at my code and explain what I'm doing wrong?
>
> Many thanks for your help.
>
> ZM.
>
>
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