One of the most powerful tools for manipulating text in the free software world is the text widget found in the Tk graphical user interface (GUI) toolkit. This widget is available to script writers ...

Effective Tcl/Tk Programming is good reading for any Tk user, including those who rely on PerlTk and Tkinter. Last month we recommended John Grayson’s book on Tkinter to anyone scripting ...

The canvas widget in the Tk graphical user interface toolkit is a free software tool used to present graphical data. Like the Tk text widget, which I discussed in my previous article, the canvas ...