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Bug #41007 PHP GTK2 GtkListStore invoke signal callback problem
Submitted: 2007-04-05 16:43 UTC Modified: 2008-09-30 01:00 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: james dot smith at cybertill dot co dot uk Assigned:
Status: No Feedback Package: PHP-GTK related
PHP Version: 5.2.1 OS: WinXP
Private report: No CVE-ID: None
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 [2007-04-05 16:43 UTC] james dot smith at cybertill dot co dot uk 
Description:
------------
While designing a Till system using php gtk2 and grabbing code from several examples. I encountered the following problem.
When clicking on an item in a GtkListStore object, the callback function is either renamed/ stored incorrectly.

Despite me renaming it several times the function name is not handled properly and causes characters to be misinterpreted.


$sectionBasketView = GtkListStore( Gtk::TYPE_STRING, Gtk::TYPE_LONG, Gtk::TYPE_DOUBLE);
.
.
    $selection = $sectionBasketView->get_selection();
    $selection->connect('changed', "on_selection");
.
.
function on_selection()
{
.
.



Expected result:
----------------
on_selection function execution


Actual result:
--------------
The error log shows that the 9th character is pushed up by 1 character code.
Here is a report from the error.txt it produced.
The first instance the letter "t" being replaced with a "s" character.
The second instance "i" renamed the function call with a "j" at the start
this in turn affected the next character "c" changing to a "b".
As far as i can tell the on_selection is not used anywhere else.
Is this an inbuilt command/event/property?

[05-Apr-2007 17:06:32] PHP Warning:  Unable to invoke signal callback 'on_selecsion' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331

[05-Apr-2007 17:07:37] PHP Warning:  Unable to invoke signal callback 'on_jselebtion' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331

[05-Apr-2007 17:07:37] PHP Warning:  Unable to invoke signal callback 'on_jselebtion' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331

[05-Apr-2007 17:09:24] PHP Warning:  Unable to invoke signal callback 'aaaaaaaa' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331

[05-Apr-2007 17:10:11] PHP Warning:  Unable to invoke signal callback 'abcdefghijklmnopqrstuvwxyz' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331

[05-Apr-2007 17:10:12] PHP Warning:  Unable to invoke signal callback 'abcdefghijklmnopqrstuvwxyz' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:10:12] PHP Warning:  Unable to invoke signal callback 'abcdefghijklmnopqrstuvwxyz' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:10:47] PHP Warning:  Unable to invoke signal callback 'on_abcdefghijklmnopqrstuvwxyz' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:10:47] PHP Warning:  Unable to invoke signal callback 'on_abcdefghijklmnopqrstuvwxyz' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:11:15] PHP Warning:  Unable to invoke signal callback 'on_selabcdefghijklmnopqrstuvwxyz' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:11:16] PHP Warning:  Unable to invoke signal callback 'on_selabcdefghijklmnopqrstuvwxyz' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:11:52] PHP Warning:  Unable to invoke signal callback 'on_selectionabcdefghijklmnopqrstuvwxyz' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:11:53] PHP Warning:  Unable to invoke signal callback 'on_selectionabcdefghijklmnopqrstuvwxyz' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:12:20] PHP Warning:  Unable to invoke signal callback 'on_selecsionabc' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:12:20] PHP Warning:  Unable to invoke signal callback 'on_selecsionabc' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:12:53] PHP Warning:  Unable to invoke signal callback 'on_selectionabcd' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:12:53] PHP Warning:  Unable to invoke signal callback 'on_selectionabcd' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:12:53] PHP Warning:  Unable to invoke signal callback 'on_selectionabcd' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:12:54] PHP Warning:  Unable to invoke signal callback 'on_selectionabcd' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:12:55] PHP Warning:  Unable to invoke signal callback 'on_selectionabcd' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331
[05-Apr-2007 17:12:55] PHP Warning:  Unable to invoke signal callback 'on_selectionabcd' specified in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 218 in C:\PHP-Gtk2\examples\EtTill\Till.phpw on line 331

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 [2008-03-16 14:38 UTC] auroraeosrose@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows (zip):
 
  http://snaps.php.net/win32/php5.2-win32-latest.zip

For Windows (installer):

  http://snaps.php.net/win32/php5.2-win32-installer-latest.msi

Does this still occur with newer versions?
 [2008-03-17 14:44 UTC] james dot smith at cybertill dot co dot uk 
I shall try and dig out the code i tested at the time.
If not the GtkList Object is easily created from one of the demos. I shall add the callback function and see how i get on.
 [2008-09-22 11:35 UTC] auroraeosrose@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc. If the script requires a 
database to demonstrate the issue, please make sure it creates 
all necessary tables, stored procedures etc.

Please avoid embedding huge scripts into the report.

I don't see this issue with newer versions
 [2008-09-30 01:00 UTC] php-gtk-dev at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 
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