Webmaster Forum / Perl / Tk / January 2007

How do I refresh a window with updated info after a runwhen my GUI is
up running some application?
For example in The Dirtree, How can I update the directory structure
when a new directory is created, same for FileSelect.

Perl/tk is crashing when trying to add a child to the tree with a
position argument.  A small example is below.  There are 3 position
arguments to specify where the child goes within the tree: -at,
-before, and -after.

       In my HList I added some items and my cursor selection is at 6
element...now wat I need is if I press f1 my ccursor selection must go
to first element and if i press f10 cursor selection must go to last
element of the hlist...my hlist items are stored in hash.......

I have a little problem. I read text from file in utf-8 coding and I want to
display part of this text in Tk800 Label.
I tried something with Unicode::Map and Tk::Font but without success.
What is the right way to do it?

I have some application that worked for me in a number of version of
SuSE Linux and HP-UX.
But now on openSuSE 10.2 (perl-Tk-804.027) I have a problem.
I'm using cyrillic font in menus and text widgets. My encoding is

I've several problems with the module TK-Graph.
1.
I'm using the option -printvalue => "%.3f" to show the values of bars.
The module brings the warning "Argument "" isn't numeric in sprintf" and

This is to promulgate/add information to an old, closed out thread that
has the subject line "Forking in win32 causes crash in perl58.dll?".
It was very helpful.  Basically it shows that on Windows, fork() and Tk
do not mix.  The answer was that Tk was not thread safe.

  When I select any row and press "Enter", I get following error
message on the console.
Tk::Error: no "anchor" cell in table at
/home/multi-perl/bin/../lib/site_perl/5.8.3/i686-linux-thread-multi/Tk.pm

I am facing a problem with bindings to Canvas 'Window' items:
The Events triggered over 'Window'-items are caught by the widgets associated
with the item. Now I am searching for an elegant way to redirect these events to
the canvas-widget in order to have them processed the way, ...

Hai This is ramesh.I am developing a GUI for network protocol tester.
I am facing a problem with connecting objects.
What my idea is:
in the left hand side we have a tool bar from which we select required

I am trying to implement a Dirlist to display the directories and add
the fileSelect too to open a file when I select a file in the Dirlist.
Are there options available? or some tricks?

The widgets-demo program shows nice menu's which are supposed to be
sub's. But I have never been able to use one of the demo-sub's away from
the demo-program in one of my own Perl-scripts.
Right now I would need a menu with two independent sets of radio-buttons

   While dragging the adjuster I am getting some strange error message
on console.
   My sample code is as follows.......
    use Tk;

i'd like to have my application window divided into two rectangles:
the leftmost is the button bar (a dozen of buttons in a tall row), the
rightmost is the frame containing the actual application (reporting,
data entry and so on).

  Please run my small code.
use warnings;
use strict;
use Tk;