Page 268	Table of Contents	Index	Page 270
	Chapters
	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 A, B, C, D, E

CHAPTER 27. COMMAND PROCESSING

mouse interaction via translators. A command table is an object that serves to mediate between
an application frame, a set of commands, and the four interaction styles. Command tables
contain the following information:

The name of the command table, which is a symbol.
An ordered list of command tables to inherit from.
The set of commands that are present in this command table.
A table that associates command-line names to command names (used to support command-
line processor interactions).
A set of presentation translators, defined via define-presentation-translator and
define-presentation-to-command-translator.
A table that associates keyboard gesture names to menu items (used to support keystroke
accelerator interactions). The keystroke accelerator table does not contain any items in-
herited from superior command tables.
A menu that associates menu names to command menu items (used to support interaction
via command menus). The command menu items can invoke commands or sub-menus.
The menu does not contain any command menu items inherited from superior command
tables.

We say that a command is present in a command table when it has been added to that command
table. We say that a command is accessible in a command table when it is present in that
command table or is present in any of the command tables from which that command table
inherits.

=> command-table [Protocol Class]
The protocol class that corresponds to command tables. If you want to create a new class
that behaves like a command table, it should be a subclass of command-table. Subclasses of
command-table must obey the command table protocol. Members of this class are mutable.

=> command-table-p object [Function]
Returns true if object is a command table, otherwise returns false.

=> standard-command-table [Class]
The instantiable class that implements command tables, a subclass of command-table. make- command-tablereturns objects that are members of this class.

Minor issue: Do we really want to advertise these classes, since all the functions below are
vanilla functions instead of generic functions? Or should we make those functions be generic
functions? | SWM

=> command-table-name command-table [Generic Function]

Page 268	Table of Contents	Index	Page 270
	Chapters
	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 A, B, C, D, E