Exercises, examples and other material relating to training module T217. This topic is presented on public courses Learning to program in Tcl, Tcl/Tk, Tcl Programming

Tk programming is all about widgets, geometry managers and events. This module introduces you to each of these concepts, then examines one particular widget type, one particular geometry manager, and one particular type of event to a level where you can write your first useful GUI under Tk.

Articles and tips on this subject		updated
4458	A new Tcl/tk example - a window to show system status From today's Tcl course - where we have also added a GUI on the front using Tk to give a window in which we display system information. The code is divided into a number of sections 1. Definition of pieces of code to be run in the event of a button being pushed, or some other action 2. Creation of ...	2015-03-15
3575	Multiple buttons calling the same proc in wish (tcl/tk) Question: 1. I have created a table dynamically using a for loop in Tcl/Tk. 2. One of the columns in the table is a column of buttons 3. All the buttons call the same action proc as the each do something similar How can I set up the buttons so that I know which was pressed in the action proc? Answer: Pass ...	2012-01-14
3415	User defined sorting and other uses of callbacks in Tcl and Tk When I output a table of results, I usually want it to be sorted in some way. In Tcl, I can use lsort to sort a list - there's an example of it running in a default way [here]. However, there's often a need to order records according to a non-default algorithm, and there are switches such as -integer ...	2011-09-02
309	Writing a Tcl/Tk GUI is as easy as baking a cake Designing a Graphic User Interface in Tcl/Tk is rather like writing a recipe. With a recipe, you start off by listing the ingredients you need ... and in Tk you start off by defining your components (a.k.a. widgets). With a recipe, you proceed to describe how the ingredients should be combined ... ...	2006-06-05

admin	Tk GUI to provide system state reporting box
colmat	Sample answer 1 - coloured labels and layout question
colmat2	Sample answer 3 in development
colmat3	Sample answer 3 - Completed layout question
deferintk	Deferred execution can cause a problem in Tk
tk_b1	Tcl/Tk - button test 1
tk_b2	Tcl/Tk - button test 2
tk_b3	Tk - attributes of a button
tk_b4	Tcl/Tk - button states
tk_event	Tcl/Tk - Event demo
tk_wm	Tcl/Tk - First Frame

Learning Tcl/Tk for a custom GUI application