keycode

$Revision: 1666 $

$Date: 2002-06-12 07:19:37 -0400 (Wed, 12 Jun 2002) $

keycode — The internal, frequently numeric, identifier for a key on a keyboard

Synopsis

Mixed Content Model

keycode ::=
(%smallcptr.char.mix;)*

Attributes

Common attributes

Parameter Entities

The following parameter entities contain keycode:

Parameter Entities
`%cptr.char.mix;`	`%ndxterm.char.mix;`	`%para.char.mix;`
`%refinline.char.mix;`	`%refname.char.mix;`	`%tbl.entry.mdl;`
`%tech.char.class;`	`%title.char.mix;`

Description

The KeyCode identifies the numeric value associated with a key on a computer keyboard. This is distinct from any scan code that it may generate (KeyCode), or any symbolic name (KeySym) that might exist for the key.

Processing expectations

Formatted inline.

Parents

These elements contain keycode: action, application, attribution, bibliomisc, bridgehead, citation, citetitle, classsynopsisinfo, code, command, computeroutput, database, emphasis, entry, filename, firstterm, foreignphrase, funcparams, funcsynopsisinfo, function, glosssee, glossseealso, glossterm, hardware, interfacename, keycap, lineannotation, link, literal, literallayout, lotentry, member, msgaud, olink, option, optional, para, parameter, phrase, primary, primaryie, productname, programlisting, property, quote, refdescriptor, refentrytitle, refname, refpurpose, remark, screen, screeninfo, secondary, secondaryie, see, seealso, seealsoie, seeie, seg, segtitle, simpara, subtitle, synopsis, systemitem, td, term, termdef, tertiary, tertiaryie, th, title, titleabbrev, tocback, tocentry, tocfront, trademark, ulink, userinput.

Children

The following elements occur in keycode: beginpage, indexterm, inlinegraphic, inlinemediaobject, replaceable.

Examples

<!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
          "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<para>
The <keycap>F1</keycap> key on an IBM PC keyboard generates the
scan code <keycode>0x3B</keycode> when pressed.  This value
is defined as <keysym>KEY_F1</keysym> in 
<filename class="headerfile">keyboard.h</filename>.
</para>

The F1 key on an IBM PC keyboard generates the scan code 0x3B when pressed. This value is defined as KEY_F1 in keyboard.h.

For additional examples, see also keycap, keysym.


keycap		keycombo