ColorPicker — Color selection dialog
The ColorPicker module provides access to the standard color picker
This module is removed in 3.0.
- Show a standard color selection dialog and allow the user to select a color.
The user is given instruction by the prompt string, and the default color is
set to rgb. rgb must be a tuple giving the red, green, and blue components
of the color. GetColor() returns a tuple giving the user’s selected color
and a flag indicating whether they accepted the selection of cancelled.