Exercises, examples and other material relating to training module T216. This topic is presented on public course
Tcl/Tk
Tcl - the Tk Toolkit - The Graphic Application of Tcl through Tk
This course takes the programmer who's already
learnt to program in Tcl forward into the ... http://www.wellho.net/course/tkfull.html [course] |
Many of the scripting languages we teach include the ability to provide a GUI - a Graphic User Interface. I ll describe some particular GUIs later in ... http://www.wellho.net/solutions/general- ... -guis.html [longer article] |
With a Tk Graphic User Interface, you can add a friendly look and feel to an application running on your workstation if it's written in Tcl (Tcl/Tk), ... http://www.wellho.net/mouth/595_Add- ... th-Tk.html [short article] |
If you set a Tcl (Tcl/Tk) variable within a proc, or within the callback command of a widget, that variable does not exist at run time until you have ... http://www.wellho.net/mouth/2040_Err ... l-Tk-.html [short article] |
#!/usr/bin/wish
button .action -text "Press for timestamp" -command {
puts -nonewline "It is "
puts [clock format [clock ... http://www.wellho.net/resources/ex.php4?item=t216/tk_hello [code sample] |
#!/usr/bin/wish
button .action -text "Press for timestamp" -command {
set xx [format "It is %s" [clock format [clock seconds]]]
... http://www.wellho.net/resources/ex.php4?item=t216/tk_h2 [code sample] |
proc scanner {} {
global counter
set textval [.word get]
if {[regexp -nocase ^\(exit|end|quit\)\$ $textval]} exit
if {[info ... http://www.wellho.net/resources/ex.php4?item=t216/tk_accesscount [code sample] |
Would you like to access your Tcl script through a Graphic User Interface? The Tk GUI, which is distributed with most releases of Tcl, provides such a capability. In this module we introduce you to Tk and see a couple of short examples of Tk in use.
This topic is presented on public course
Tcl/Tk
Examples from our training material
| tk_accesscount | Tcl/Tk - Access Log File counter! |
| tk_h2 | Report Date Information on a widget |
| tk_hello | Tcl/Tk - Report Date Information |
| udq | Widgets, Geometry Managers and Events |
Background information
This module is available under an
Open Training Notes License for free download from
http://www.training-notes.co.uk.
Topics covered in this module
Hello Tcl/Tk World.
Tcl/Tk supported platforms.
Sourcing Tcl/Tk.
Our sample program.
A real application.
Feedback via the Tk window.
Widgets as commands.
A GUI front end to a data file.
The main program.
The setup proc.
The scanner proc.
The complete program.
Complete learning
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