keycode

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

Synopsis

keycode ::=

Zero or more of:
- text
- phrase (db._phrase)
- replaceable
- Graphic inlines
  inlinemediaobject
- Indexing inlines
  indexterm (db.indexterm.endofrange)
  
  indexterm (db.indexterm.singular)
  
  indexterm (db.indexterm.startofrange)
- Linking inlines
  anchor
  
  biblioref
  
  link
  
  olink
  
  xref
- Ubiquitous inlines
  alt
  
  anchor
  
  annotation
  
  biblioref
  
  indexterm (db.indexterm.endofrange)
  
  indexterm (db.indexterm.singular)
  
  indexterm (db.indexterm.startofrange)
  
  inlinemediaobject
  
  link
  
  olink
  
  remark
  
  subscript
  
  superscript
  
  xref

Attributes

Common attributes and common linking attributes.

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: bridgehead, caption (db.html.caption), citation, citetitle, classsynopsisinfo, emphasis (db.emphasis), entry, firstterm, funcsynopsisinfo, glosssee, glossseealso, glossterm, html:button, html:label, html:legend, link, literallayout, member, olink, orgdiv, para, phrase (db.phrase), primary, primaryie, programlisting, quote, refdescriptor, refentrytitle, refname, refpurpose, screen, secondary, secondaryie, see, seealso, seealsoie, seeie, seg, segtitle, simpara, subtitle, synopsis, td, term, termdef, tertiary, tertiaryie, th, title, titleabbrev, tocentry, userinput.

Children

The following elements occur in keycode: text, alt, anchor, annotation, biblioref, indexterm (db.indexterm.endofrange), indexterm (db.indexterm.singular), indexterm (db.indexterm.startofrange), inlinemediaobject, link, olink, phrase (db._phrase), remark, replaceable, subscript, superscript, xref.

Examples

<article xmlns='http://docbook.org/ns/docbook'>
<title>Example keycode</title>

<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>

</article>

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.

ChangeLog

This alpha reference page is $Revision: 7120 $ published Sun, 22 Jul 2007.


keycap		keycombo