Webmaster Forum / Perl / Tk / September 2005

I'd like to bind a mouse button press to a canvas.
I tried
#! /usr/bin/perl
use warnings;

I want to center a widget and right side another widget in a the same
frame, but not successful
Code example:
->pack(-side => 'left', -anchor => 'center');

Forwarding issue : Segmentation faults with Perl/Tk (please see the mail
below)!
I seem to have the same problem for the code (shown below) in perl/5.8.7
for both linux and solaris. What is the reason for the segmentation

I would like to display two same-sized images side-by-side in a dialogBox with
scrollbars.  I would like each image to have half of the display space.  I have
tried many things but I can't get the scrollbars to appear.  I also have not
figured out how to make each image use exactly ...

I have a perl application that starts a new warning window (not popup,
but totally new start with Mainwindow and end with MainLoop). But this
window is displayed at bottom left corner. I want to display it at
center of the screen. How can I do it?

What's wrong with that ?
#!/usr/local/bin/perl-w
use strict;
use Tk;

I'm using Tk::Columns version 0.02, and need to be able to change the
heading of a column dynamically at runtime.
Can anyone point me in the right direction, please?  
Thanks,

Sorry to beat this to death, but I do have a solution to resizing
widgets by using GeometryRequest. Right now a fundamental problem has
cropped up with the callback in the bind definition.  For some reason
when I shift the parameters to the variable $parm, $parm becomes the

Hello, I've just started using Perl/Tk and love what I see. I do have a
couple of simple questions however, for which I couldn't find answers
in the O'Reilly book.
I have a large number of data entries stored in %hash for which I'm

How can I get the total number of list entries in an Hlist?
Lets say I have 5 list entries each having 3 columns and I've used the -
text option ($hlist->itemCreate( XX, XX, -text => "whatever");) for
each of the columns and then I call $hlist->info('selection'); to get

I used the Mastering Perl Tk example to get a basis for what I'm trying
to do.  The text widgets are adjustable in the sense that you can make
one smaller and the other larger by moving the adjustment bar. I'd like
to bind the mouse Double Click to resize the text widget that was ...

Hi, I'm trying to use a Dirtree to let the user select a directory.
First Problem:
I can't add all the Windows-Drives to the Dirtree in a fast way.
Im doing it like this:

While doing some debugging with Tk::DynaTabFrame
under the subject configuration, I'm getting some
nasty errors erupting out of Tk::Configure when it
calls croak($@) at line 47. I don't understand

I have been cramped by eventGenerate() not allowing any way to pass
arguments along with the event type. Does anyone know how to do this? Am I
missing something?
Allan

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