button_class (library)

Library usage: :- use_module(library(button_class)).
Exports: Predicates: command_button/1 .
Other modules used: System library modules: objects/objects_rt .

Author(s): Montserrat Urraca.

Version: 1.11#222 (2004/5/24, 13:8:7 CEST)

Version of last change: 1.9#122 (2003/12/4, 17:32:36 CET)

Usage and interface (`button_class`)

PREDICATE: command_button/1:

Usage 1: command_button(Command)

Description: Sets a Tcl Command to be associated with the button. This Command is typically invoked when mouse button 1 is released over the button window.
Call and exit should be compatible with: Command is currently instantiated to an atom. (term_typing:atom/1)
The following properties should hold at call time: Command is currently a term which is not a free variable. (term_typing:nonvar/1)

Usage 2: command_button(Command)

Description: Gets the Tcl Command associated with the button.
Call and exit should be compatible with: Command is currently instantiated to an atom. (term_typing:atom/1)
The following properties should hold at call time: Command is a free variable. (term_typing:var/1)