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Practical Programming in Tcl and Tk, Fourth Edition by Brent Welch, Ken Jones

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Chapter 41. Color, Images, and Cursors

This chapter describes the color attributes shared by the Tk widgets. Images and bitmaps can be displayed instead of text by several widgets. This chapter describes commands that create and manipulate images. The cursor attribute controls the shape and color of the mouse cursor when it is over a particular widget. This chapter includes a figure that shows all the cursors available in Tk.

Color is one of the most fun things to play with in a user interface. However, this chapter makes no attempt to improve your taste in color choices; it just describes the attributes that affect color. The tradition of having users change application colors is stronger in UNIX than on the other platforms. This is because all ...

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