2003-11-14 17:48:57 +01:00
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.ig
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//=============================================================================
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//
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// Manual page for `dumpkeymap'.
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//
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// Copyright (C) 1999,2000 by Eric Sunshine <sunshine@sunshineco.com>
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// 3. The name of the author may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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//=============================================================================
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//
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2004-04-23 21:54:30 +02:00
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// $XFree86$
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2003-11-14 17:48:57 +01:00
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//
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..
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.ig
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//-----------------------------------------------------------------------------
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// Local identification information.
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//-----------------------------------------------------------------------------
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..
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.nr VE 4 \" Version number
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.TH DUMPKEYMAP 1 "v\n(VE \-\- 1 December 2000" "Version \n(VE"
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.de UP
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1 December 2000
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..
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.ig
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//-----------------------------------------------------------------------------
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// Annotation Macros
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// -----------------
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// Facilitate creation of annotated, non-filled blocks of text. An
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// annotated block is initiated with the `AS' macro. Each annotated,
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// non-filled line within the block must be introduced with the `AN' macro
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// which takes three arguments. The first argument is the detail text to
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// be annotated. The second is a string of spaces used to align the
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// annotations by certain (broken) roff interpreters which fail to
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// implement the proper set of roff commands (such as diversions,
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// indentation, and tab stops). It is assumed that the spaces will be
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// used with fixed-point font. The third argument is the annotation
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// itself. The block should be terminated with the `AE' macro. For all
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// roff interpreters which properly implement diversions, indentation, and
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// tab stops, all anotations within the block are automatically aligned at
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// the same horizontal position. This position is guaranteed to be just
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// to the right of the widest `AN' detail line. For broken roff
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// interpreters, such as `rman', the string of spaces from the second
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// argument are used to align the annotations. Finally, the `AZ' macro,
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// which takes a single argument, can be used to to insert a non-annotated
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// line into the block which does not play a part in the calculation of
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// the horizontal annotation alignment.
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//
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// Implementation Notes
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// --------------------
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// *1* These macros utilize a diversion (named `AD'). Since the prevailing
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// indentation is stored along with the diverted text, we must muck with
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// the indentation level in order to prevent the indentation from being
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// applied to the text a second time when `AD' is finally emitted.
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//
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// *2* Unfortunately, `.if' strips leading whitespace from following text, so
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// `AN' uses \& to preserve the whitespace.
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//
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// *3* This manual page has been tested for proper formatting with troff,
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// groff, nroff and rman (the `man' to `HTML' converter). Unfortunately,
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// rman fails to implement many useful features such as diversions,
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// indentation, and tab stops, and is also hideously buggy. Furthermore
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// it identifies itself as nroff and fails to provide any further
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// identification, so there is no way to create macros which specifically
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// work around its limitations. Following is a list of several bugs in
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// rman which the implementation of these macros must avoid:
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// o Fails with multi-line conditionals within macros.
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// o Fails on macro definition within multi-line conditionals.
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// o Fails when macro arguments are not delimited by exactly 1 space.
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// o String definition `.ds' ignores the value; uses empty "" instead.
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// As a consequence of these problems, the following macros are written
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// using a series of ugly single-line `.if' conditionals rather than the
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// more natural multi-line `.if' and `.ie' conditionals. Also, rman fails
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// to understand the common idiom of `.\"' to introduce a comment, which
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// is why all comments in this file are wrapped in ignore `.ig' blocks.
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//-----------------------------------------------------------------------------
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..
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.de AS
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.if t .nr AW 0
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.if t .nr AI \\n(.i
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.if t .in -\\n(AI
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.nf
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..
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.de AN
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.if t .if \w'\\$1'>\\n(AW .nr AW \w'\\$1'
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.if t .da AD
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.if t \\&\\$1\\t\\$3
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.if t .da
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.if n \\&\\$1 \\$2\\$3
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..
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.de AZ
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.if t .da AD
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\\$1
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.if t .da
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..
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.de AE
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.if t .in +\\n(AIu
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.if t .if \\n(AW .ta \\n(AWu+\w'\\(em'u
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.if t .AD
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.if t .DT
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.if t .rm AD
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.if t .rm AW
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.fi
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..
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.ig
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//-----------------------------------------------------------------------------
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// Bulleted list macros -- `BG' begins a bulleted list; `BU' delimits
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// bulleted entries; `BE' ends a bulleted list.
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//-----------------------------------------------------------------------------
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..
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.de BG
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.PP
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.RS
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..
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.de BU
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.HP
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\\(bu\\ \\c
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..
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.de BE
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.RE
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.PP
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..
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.ig
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//-----------------------------------------------------------------------------
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// Indented paragraph with stylized hanging tag macro. `TG' takes a single
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// argument and treats it as the hanging tag of the indented paragraph.
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// The tag is italicized in troff but not in nroff.
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//-----------------------------------------------------------------------------
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..
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.de TG
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.TP
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.ie t .I "\\$1"
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.el \\$1
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..
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.ig
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//-----------------------------------------------------------------------------
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// Manual page for `dumpkeymap'.
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//-----------------------------------------------------------------------------
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..
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.SH NAME
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dumpkeymap \- Dianostic dump of a .keymapping file
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.SH SYNOPSIS
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.B dumpkeymap
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.RI [ options "] [-] [" file "...]"
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.SH DESCRIPTION
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.I dumpkeymap
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prints a textual representation of each Apple/\c
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.SM NeXT
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.I .keymapping
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file mentioned on the command-line. If no files are mentioned and if the
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local machine is an Apple or
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.SM NeXT
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installation, then the key mapping currently in use by the WindowServer and the
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AppKit is printed instead.
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.SH OPTIONS
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.TP
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.B "\-h \-\^\-help"
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Display general program instructions and option summary.
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.TP
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.B "\-k \-\^\-help\-keymapping"
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Display a detailed description of the internal layout of a
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.I .keymapping
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file. This is the same information as that presented in the
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.I "Key Mapping Description"
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section of this document.
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.TP
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.B "\-o \-\^\-help\-output"
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Display an explanation of the output generated by
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.I dumpkeymap
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when dissecting a
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.I .keymapping
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file. This is the same information as that presented in the
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.I "Output Description"
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section of this document.
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.TP
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.B "\-f \-\^\-help\-files"
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Display a summary of the various files and directories which are related to
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key mappings. This is the same information as that presented in the
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.I "Files"
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section of this document.
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.TP
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.B "\-d \-\^\-help\-diagnostics"
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Display a list of the various diagnostic messages which may be emitted by
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.I dumpkeymap.
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This is the same information as that presented in the
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.I "Diagnostics"
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section of this document.
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.TP
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.B "\-v \-\^\-version"
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Display the
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.I dumpkeymap
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version number and warranty information.
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.TP
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.B "\- \-\^\-"
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Inhibit processing of options at this point in the argument list. An
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occurrence of `\-' or `\-\^\-' in the argument list causes all following
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arguments to be treated as file names even if an argument begins with a `\-'
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character.
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.SH "KEY MAPPING DESCRIPTION"
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The following sections describe, in complete detail, the format of a raw key
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mapping resource, as well as the format of the
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.I .keymapping
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file which encapsulates one or more raw mappings.
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.SH "Types and Data"
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The following type definitions are employed throughout this discussion:
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.PP
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.RS
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.AS
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.AZ "typedef unsigned char byte;"
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.AZ "typedef unsigned short word;"
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.AZ "typedef unsigned long dword;"
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.AE
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.RE
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.PP
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Additionally, the type definition
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.RI ` number '
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is used generically to
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indicate a numeric value. The actual size of the
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.RI ` number '
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type may be one or two bytes depending upon how the data is stored in the key
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map. Although most key maps use byte-sized numeric values, word-sized values
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are also allowed.
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.PP
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Multi-byte values in a key mapping file are stored in big-endian byte order.
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.SH "Key Mapping File and Device Mapping"
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A key mapping file begins with a magic-number and continues with a
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variable number of device-specific key mappings.
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.PP
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.RS
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.AS
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.AZ "struct KeyMappingFile {"
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.AN " char magic_number[4];" " " "// `KYM1'"
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.AN " DeviceMapping maps[...];" "" "// Variable number of maps"
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.AZ };
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.AE
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.PP
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.AS
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.AZ "struct DeviceMapping {"
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.AN " dword interface;" " " "// Interface type"
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.AN " dword handler_id;" "" "// Interface subtype"
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.AN " dword map_size;" " " "// Byte count of `map' (below)"
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.AN " KeyMapping map;"
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.AZ };
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.AE
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.RE
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.PP
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The value of `interface' represents a family of keyboard device types
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(such as Intel
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.SM "PC, ADB, NeXT,"
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Sun Type5, etc.), and is generally specified as one of the constant values
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.SM "NX_EVS_DEVICE_INTERFACE_ADB, NX_EVS_DEVICE_INTERFACE_ACE,"
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etc., which are are defined in IOHIDTypes.h on MacOS/X and Darwin, and in
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ev_types.h on MacOS/X Server, OpenStep, and NextStep.
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.PP
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The value of `handler_id' represents a specific keyboard layout within the
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much broader `interface' family. For instance, for a 101-key Intel
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.SM PC
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keyboard (of type
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.SM NX_EVS_DEVICE_INTERFACE_ACE\c
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) the `handler_id' is '0', whereas for a 102-key keyboard it is `1'.
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.PP
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Together, `interface' and `handler_id' identify the exact keyboard hardware to
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which this mapping applies. Programs which display a visual representation of
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a keyboard layout, match `interface' and `handler_id' from the
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.I .keymapping
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file against the `interface' and `handler_id' values found in each
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.I .keyboard
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file.
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.SH "Key Mapping"
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A key mapping completely defines the relationship of all scan codes with their
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associated functionality. A
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.I KeyMapping
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structure is embedded within the
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.I DeviceMapping
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structure in a
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.IR KeyMappingFile .
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The key mapping currently in use by the WindowServer and AppKit is also
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represented by a
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.I KeyMapping
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structure, and can be referred to directly by calling NXGetKeyMapping() and
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accessing the `mapping' data member of the returned
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.I NXKeyMapping
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structure.
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.PP
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.RS
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.AS
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.AZ "struct KeyMapping {"
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.AN " word number_size;" " " "// 0=1 byte, non-zero=2 bytes"
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.AN " number num_modifier_groups;" "" "// Modifier groups"
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.AZ " ModifierGroup modifier_groups[...];"
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.AN " number num_scan_codes;" " " "// Scan groups"
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.AN " ScanGroup scan_table[...];"
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.AN " number num_sequence_lists;" " " "// Sequence lists"
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.AN " Sequence sequence_lists[...];"
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|
.AN " number num_special_keys;" " " "// Special keys"
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.AN " SpecialKey special_key[...];"
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.AZ };
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.AE
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.RE
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.PP
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|
The `number_size' flag determines the size, in bytes, of all remaining numeric
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values (denoted by the type definition
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.RI ` number ')
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within the
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key mapping. If its value is zero, then numbers are represented by a single
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byte. If it is non-zero, then numbers are represented by a word (two bytes).
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|
|
.SH "Modifier Group"
|
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|
|
A modifier group defines all scan codes which map to a particular type of
|
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|
modifier, such as
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.IR shift ,
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.IR control ,
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etc.
|
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.PP
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.RS
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.AS
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.AZ "enum Modifier {"
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.AZ " ALPHALOCK = 0,"
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.AZ " SHIFT,"
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.AZ " CONTROL,"
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.AZ " ALTERNATE,"
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.AZ " COMMAND,"
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.AZ " KEYPAD,"
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.AZ " HELP"
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.AZ };
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.AE
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|
.PP
|
|
|
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.AS
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|
.AZ "struct ModifierGroup {"
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.AN " number modifier;" " " "// A Modifier constant"
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|
|
.AN " number num_scan_codes;"
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|
|
.AN " number scan_codes[...];" "" "// Variable number of scan codes"
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|
|
.AZ };
|
|
|
|
.AE
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|
.RE
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|
|
.PP
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|
|
The scan_codes[] array contains a list of all scan codes which map to the
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|
|
specified modifier. The
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|
|
.IR shift ", " command ", and " alternate
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|
|
modifiers are frequently mapped to two different scan codes, apiece,
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|
|
since these modifiers often appear on both the left and right sides of
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the keyboard.
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.SH "Scan Group"
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|
There is one
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.I ScanGroup
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|
for each scan code generated by the given keyboard. This number is given by
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KeyMapping::num_scan_codes. The first scan group represents hardware scan
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code 0, the second represents scan code 1, etc.
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.PP
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.RS
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.AS
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.AZ "enum ModifierMask {"
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.AN " ALPHALOCK_MASK" " " "= 1 << 0,"
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.AN " SHIFT_MASK" " " "= 1 << 1,"
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.AN " CONTROL_MASK" " " "= 1 << 2,"
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.AN " ALTERNATE_MASK" " " "= 1 << 3,"
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.AN " CARRIAGE_RETURN_MASK" "" "= 1 << 4"
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.AZ };
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.AZ "#define NOT_BOUND 0xff"
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.AE
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.PP
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.AS
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|
.AZ "struct ScanGroup {"
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|
.AN " number mask;"
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|
.AN " Character characters[...];"
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|
.AZ };
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.AE
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.RE
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.PP
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For each scan code, `mask' defines which modifier combinations generate
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|
characters. If `mask' is
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.SM NOT_BOUND
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(0xff) then then this scan code does not generate any characters ever, and its
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characters[] array is zero length. Otherwise, the characters[] array contains
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one
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.I Character
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record for each modifier combination.
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.PP
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The number of records in characters[] is determined by computing (1 <<
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bits_set_in_mask). In other words, if mask is zero, then zero bits are set,
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so characters[] contains only one record. If `mask' is
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.SM "(SHIFT_MASK | CONTROL_MASK),"
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then two bits are set, so characters[] contains four records.
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.PP
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The first record always represents the character which is generated by that
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key when no modifiers are active. The remaining records represent characters
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|
generated by the various modifier combinations. Using the example with the
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.I shift
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and
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.I control
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|
masks set, record two would represent the character with the
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.I shift
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|
modifier active; record three, the
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.I control
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modifier active; and record four, both the
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.I shift
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and
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.I control
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modifiers active.
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.PP
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As a special case,
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.SM ALPHALOCK_MASK
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|
implies
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.SM SHIFT_MASK,
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though only
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.SM ALPHALOCK_MASK
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|
appears in `mask'. In this case the same character is generated for both the
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.I shift
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and
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.I alpha-lock
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|
modifiers, but only needs to appear once in the characters[] array.
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.PP
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.SM CARRIAGE_RETURN_MASK
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|
does not actually refer to a modifier key. Instead, it is used to
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|
distinguish the scan code which is given the special pseudo-designation of
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.I "carriage return"
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|
key. Typically, this mask appears solo in a
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.I ScanGroup
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|
record and only the two
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.I Character
|
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records for control-M and control-C follow. This flag may be a throwback to
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|
|
an earlier time or may be specially interpreted by the low-level keyboard
|
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|
|
driver, but its purpose is otherwise enigmatic.
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.SH Character
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|
Each
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.I Character
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record indicates the character generated when this key is pressed, as well as
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the character set which contains the character. Well known character sets are
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.SM `ASCII'
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and `Symbol'. The character set can also be one of the meta values
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.SM FUNCTION_KEY
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or
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.SM KEY_SEQUENCE.
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If it is
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.SM FUNCTION_KEY
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|
then `char_code' represents a generally well-known function key such as those
|
|
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|
enumerated by
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.I FunctionKey.
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If the character set is
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.SM KEY_SEQUENCE
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|
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|
then `char_code' represents is a zero-base index into
|
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|
KeyMapping::sequence_lists[].
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.PP
|
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.RS
|
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.AS
|
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.AZ "enum CharacterSet {"
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|
.AN " ASCII" " " "= 0x00,"
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.AN " SYMBOL" " " "= 0x01,"
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|
.AN " ..."
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|
.AN " FUNCTION_KEY" "" "= 0xfe,"
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.AN " KEY_SEQUENCE" "" "= 0xff"
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|
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|
.AZ };
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|
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|
.AE
|
|
|
|
.PP
|
|
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|
.AS
|
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|
.AZ "struct Character {"
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.AN " number set;" " " "// CharacterSet of generated character"
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|
.AN " number char_code;" "" "// Actual character generated"
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|
.AZ };
|
|
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.AE
|
|
|
|
.PP
|
|
|
|
.AS
|
|
|
|
.AZ "enum FunctionKey {"
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.AZ " F1 = 0x20, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12,"
|
|
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|
.AZ " INSERT, DELETE, HOME, END, PAGE_UP, PAGE_DOWN, PRINT_SCREEN,"
|
|
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|
.AZ " SCROLL_LOCK, PAUSE, SYS_REQUEST, BREAK, RESET, STOP, MENU,"
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|
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|
.AZ " USER, SYSTEM, PRINT, CLEAR_LINE, CLEAR_DISPLAY, INSERT_LINE,"
|
|
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|
.AZ " DELETE_LINE, INSERT_CHAR, DELETE_CHAR, PREV, NEXT, SELECT"
|
|
|
|
.AZ };
|
|
|
|
.AE
|
|
|
|
.RE
|
|
|
|
.SH Sequence
|
|
|
|
When Character::set contains the meta value
|
|
|
|
.SM KEY_SEQUENCE,
|
|
|
|
the scan code is bound to a sequence of keys rather than a single character.
|
|
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|
A sequence is a series of modifiers and characters which are automatically
|
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|
generated when the associated key is depressed.
|
|
|
|
.PP
|
|
|
|
.RS
|
|
|
|
.AS
|
|
|
|
.AZ "#define MODIFIER_KEY 0xff"
|
|
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|
.AE
|
|
|
|
.PP
|
|
|
|
.AS
|
|
|
|
.AZ "struct Sequence {"
|
|
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|
.AN " number num_chars;"
|
|
|
|
.AN " Character characters[...];"
|
|
|
|
.AZ };
|
|
|
|
.AE
|
|
|
|
.RE
|
|
|
|
.PP
|
|
|
|
Each generated
|
|
|
|
.I Character
|
|
|
|
is represented as previously described, with the exception that
|
|
|
|
.SM MODIFIER_KEY
|
|
|
|
may appear in place of
|
|
|
|
.SM KEY_SEQUENCE.
|
|
|
|
When the value of Character::set is
|
|
|
|
.SM MODIFIER_KEY
|
|
|
|
then Character::char_code represents a modifier key rather than an actual
|
|
|
|
character. If the modifier represented by `char_code' is non-zero, then it
|
|
|
|
indicates that the associated modifier key has been depressed. In this case,
|
|
|
|
the value is one of the constants enumerated by
|
|
|
|
.I Modifier
|
|
|
|
(\c
|
|
|
|
.SM "SHIFT, CONTROL, ALTERNATE,"
|
|
|
|
etc.). If the value is zero then it means that the modifier keys have been
|
|
|
|
released.
|
|
|
|
.SH "Special Key"
|
|
|
|
A special key is one which is scanned directly by the Mach kernel rather than
|
|
|
|
by the WindowServer. In general, events are not generated for special keys.
|
|
|
|
.PP
|
|
|
|
.RS
|
|
|
|
.AS
|
|
|
|
.AZ "enum SpecialKeyType {"
|
|
|
|
.AZ " VOLUME_UP = 0,"
|
|
|
|
.AZ " VOLUME_DOWN,"
|
|
|
|
.AZ " BRIGHTNESS_UP,"
|
|
|
|
.AZ " BRIGHTNESS_DOWN,"
|
|
|
|
.AZ " ALPHA_LOCK,"
|
|
|
|
.AZ " HELP,"
|
|
|
|
.AZ " POWER,"
|
|
|
|
.AZ " SECONDARY_ARROW_UP,"
|
|
|
|
.AZ " SECONDARY_ARROW_DOWN"
|
|
|
|
.AZ };
|
|
|
|
.AE
|
|
|
|
.PP
|
|
|
|
.AS
|
|
|
|
.AZ "struct SpecialKey {"
|
|
|
|
.AN " number type;" " " "// A SpecialKeyType constant"
|
|
|
|
.AN " number scan_code;" "" "// Actual scan code"
|
|
|
|
.AZ };
|
|
|
|
.AE
|
|
|
|
.RE
|
|
|
|
.SH OUTPUT
|
|
|
|
What follows is an explanation and description of the various pieces of
|
|
|
|
information emitted by
|
|
|
|
.I dumpkeymap.
|
|
|
|
.PP
|
|
|
|
For a more thorough discussion of any particular piece of information described
|
|
|
|
here, refer to the detailed description of the internal layout of a key mapping
|
|
|
|
provided by the
|
|
|
|
.I "Key Mapping Description"
|
|
|
|
section above.
|
|
|
|
.SH Conventions
|
|
|
|
Depending upon context, some numeric values are displayed in decimal
|
|
|
|
notation, whereas others are displayed in hexadecimal notation.
|
|
|
|
Hexadecimal numbers are denoted by a `0x' prefix (for instance, `0x7b'),
|
|
|
|
except when explicitly noted otherwise.
|
|
|
|
.SH "Key Mapping Source"
|
|
|
|
The first piece of information presented about a particular key mapping is the
|
|
|
|
source from which the data was gleaned. For a
|
|
|
|
.I .keymapping
|
|
|
|
file, the title
|
|
|
|
.SM "`KEYMAP FILE'"
|
|
|
|
is emitted along with the path and name of the file in question. For the key
|
|
|
|
mapping currently in use by the WindowServer and AppKit, the title
|
|
|
|
.SM "`ACTIVE KEYMAP'"
|
|
|
|
is emitted instead.
|
|
|
|
.SH "Device Information"
|
|
|
|
Each
|
|
|
|
.I .keymapping
|
|
|
|
file may contain one or more raw key mappings. For example, a file which maps
|
|
|
|
keys to a Dvorak-style layout might contain raw mappings for Intel
|
|
|
|
.SM "PC, ADB, NeXT,"
|
|
|
|
and Sun Type5 keyboards.
|
|
|
|
.PP
|
|
|
|
For each raw mapping, the following information is emitted:
|
|
|
|
.BG
|
|
|
|
.BU
|
|
|
|
The title
|
|
|
|
.SM `KEYMAP'
|
|
|
|
along with the mapping's relative position in the
|
|
|
|
.I .keymapping
|
|
|
|
file.
|
|
|
|
.BU
|
|
|
|
The `interface' identifier.
|
|
|
|
.BU
|
|
|
|
The `handler_id' sub-identifier.
|
|
|
|
.BU
|
|
|
|
The size of the raw mapping resource counted in bytes.
|
|
|
|
.BE
|
|
|
|
The `interface' and `handler_id' values, taken together, define a specific
|
|
|
|
keyboard device. A
|
|
|
|
.I .keyboard
|
|
|
|
file, which describes the visual layout of a keyboard, also contains
|
|
|
|
`interface' and `handler_id' identifiers. The
|
|
|
|
.I .keyboard
|
|
|
|
file corresponding to a particular key mapping can be found by matching the
|
|
|
|
`interface' and `handler_id' values from each resource.
|
|
|
|
.SH Modifiers
|
|
|
|
Each mapping may contain zero or more modifier records which associate hardware
|
|
|
|
scan codes with modifier descriptions such as
|
|
|
|
.I "shift, control, alternate,"
|
|
|
|
etc. The title
|
|
|
|
.SM `MODIFIERS'
|
|
|
|
is printed along with the count of modifier records which follow. For each
|
|
|
|
modifier record, the modifier's name is printed along with a list of scan
|
|
|
|
codes, in hexadecimal format, which generate that modifier value. For example:
|
|
|
|
.PP
|
|
|
|
.RS
|
|
|
|
.nf
|
|
|
|
MODIFIERS [4]
|
|
|
|
alternate: 0x1d 0x60
|
|
|
|
control: 0x3a
|
|
|
|
keypad: 0x52 0x53 ... 0x63 0x62
|
|
|
|
shift: 0x2a 0x36
|
|
|
|
.fi
|
|
|
|
.RE
|
|
|
|
.SH Characters
|
|
|
|
Each mapping may contain zero or more character records which associate
|
|
|
|
hardware scan codes with the actual characters generated by those scan
|
|
|
|
codes in the presence or absence of various modifier combinations. The
|
|
|
|
title
|
|
|
|
.SM `CHARACTERS'
|
|
|
|
is printed along with the count of character records which follow. Here is a
|
|
|
|
highly abbreviated example:
|
|
|
|
.PP
|
|
|
|
.RS
|
|
|
|
.nf
|
|
|
|
CHARACTERS [9]
|
|
|
|
scan 0x00: -AC-L "a" "A" "^A" "^A" ca c7 "^A" "^A"
|
|
|
|
scan 0x07: -AC-L "x" "X" "^X" "^X" 01/b4 01/ce "^X" "^X"
|
|
|
|
scan 0x0a: ---S- "<" ">"
|
|
|
|
scan 0x13: -ACS- "2" "@" "^@" "^@" b2 b3 "^@" "^@"
|
|
|
|
scan 0x24: R---- "^M" "^C"
|
|
|
|
scan 0x3e: ----- [F4]
|
|
|
|
scan 0x4a: ----- [page up]
|
|
|
|
scan 0x60: ----- {seq#3}
|
|
|
|
scan 0x68: not-bound
|
|
|
|
.fi
|
|
|
|
.RE
|
|
|
|
.PP
|
|
|
|
For each record, the hexadecimal value of the hardware scan code is printed,
|
|
|
|
followed by a list of modifier flag combinations and the actual characters
|
|
|
|
generated by this scan code with and without modifiers applied.
|
|
|
|
.PP
|
|
|
|
The modifier flags field is composed of a combination of single letter
|
|
|
|
representations of the various modifier types. The letters stand for:
|
|
|
|
.PP
|
|
|
|
.RS
|
|
|
|
.nf
|
|
|
|
L \- alpha-lock
|
|
|
|
S \- shift
|
|
|
|
C \- control
|
|
|
|
A \- alternate
|
|
|
|
R \- carriage-return
|
|
|
|
.fi
|
|
|
|
.RE
|
|
|
|
.PP
|
|
|
|
As a special case, the
|
|
|
|
.I alpha-lock
|
|
|
|
flag also implies the
|
|
|
|
.I shift
|
|
|
|
flag, so these two flags never appear together in the same record.
|
|
|
|
.PP
|
|
|
|
The combination of modifier flags determines the meaning and number of fields
|
|
|
|
which follow. The first field after the modifier flags always represents the
|
|
|
|
character that will be generated if no modifier keys are depressed. The
|
|
|
|
remaining fields represent characters generated by the various modifier
|
|
|
|
combinations. The order of the fields follows this general pattern:
|
|
|
|
.BG
|
|
|
|
.BU
|
|
|
|
The character generated by this scan code when no modifiers are in effect is
|
|
|
|
listed first.
|
|
|
|
.BU
|
|
|
|
If the `L' or `S' flag is active, then the shifted character generated by this
|
|
|
|
scan code is listed next.
|
|
|
|
.BU
|
|
|
|
If the `C' flag is active, then the control-character generated by this scan
|
|
|
|
code is listed next. Furthermore, if the `L' or `S' flag is also active, then
|
|
|
|
the shifted control-character is listed after that.
|
|
|
|
.BU
|
|
|
|
If the `A' flag is active, then the alternate-character generated by this scan
|
|
|
|
code is listed next. Furthermore, if the `L' or `S' flag is active, then the
|
|
|
|
shifted alternate-character is listed after that. If the `C' flag is also
|
|
|
|
active, then the alternate-control-character is listed next. Finally, if the
|
|
|
|
`C' and `L' or `C' and `S' flags are also active, then the shifted
|
|
|
|
alternate-control-character is listed.
|
|
|
|
.BE
|
|
|
|
The `R' flag does not actually refer to a modifier key. Instead, it is used to
|
|
|
|
distinguish the scan code which is given the special pseudo-designation of
|
|
|
|
.I "carriage return"
|
|
|
|
key. Typically, this mask appears solo and only the two fields for control-M
|
|
|
|
and control-C follow. This flag may be a throwback to an earlier time or may
|
|
|
|
be specially interpreted by the low-level keyboard driver, but its purpose is
|
|
|
|
otherwise enigmatic.
|
|
|
|
.PP
|
|
|
|
Recalling the example from above, the following fields can be identified:
|
|
|
|
.PP
|
|
|
|
.RS
|
|
|
|
.nf
|
|
|
|
scan 0x00: -AC-L "a" "A" "^A" "^A" ca c7 "^A" "^A"
|
|
|
|
.fi
|
|
|
|
.RE
|
|
|
|
.BG
|
|
|
|
.BU
|
|
|
|
Lower-case `a' is generated when no modifiers are active.
|
|
|
|
.BU
|
|
|
|
Upper-case `A' is generated when
|
|
|
|
.IR shift " or " alpha-lock
|
|
|
|
are active.
|
|
|
|
.BU
|
|
|
|
Control-A is generated when
|
|
|
|
.I control
|
|
|
|
is active.
|
|
|
|
.BU
|
|
|
|
Control-A is generated when
|
|
|
|
.IR control " and " shift
|
|
|
|
are active.
|
|
|
|
.BU
|
|
|
|
The character represented by the hexadecimal code 0xca is generated when
|
|
|
|
.I alternate
|
|
|
|
is active.
|
|
|
|
.BU
|
|
|
|
The character represented by 0xc7 is generated when
|
|
|
|
.IR alternate " and " shift " (or " alpha-lock ") are active."
|
|
|
|
.BU
|
|
|
|
Control-A is generated when
|
|
|
|
.IR alternate " and " control
|
|
|
|
are active.
|
|
|
|
.BU
|
|
|
|
Control-A is generated when
|
|
|
|
.IR "alternate, control" " and " shift " (or " alpha-lock ") are active."
|
|
|
|
.BE
|
|
|
|
The notation used to represent a particular generated character varies.
|
|
|
|
.BG
|
|
|
|
.BU
|
|
|
|
Printable
|
|
|
|
.SM ASCII
|
|
|
|
characters are quoted, as in "x" or "X".
|
|
|
|
.BU
|
|
|
|
Control-characters are quoted and prefixed with `^', as in "^X".
|
|
|
|
.BU
|
|
|
|
Characters with values greater than 127 (0x7f) are displayed as hexadecimal
|
|
|
|
values without the `0x' prefix.
|
|
|
|
.BU
|
|
|
|
Characters in a non-\c
|
|
|
|
.SM ASCII
|
|
|
|
character set (such as `Symbol') are displayed as two hexadecimal numbers
|
|
|
|
separated by a slash, as in `01/4a'. The first number is the character set's
|
|
|
|
identification code (such as `01' for the `Symbol' set), and the second number
|
|
|
|
is the value of the generated character.
|
|
|
|
.BU
|
|
|
|
Non-printing special function characters are displayed with the function's
|
|
|
|
common name enclosed in brackets, as in `[page up]' or `[F4]'.
|
|
|
|
.BU
|
|
|
|
If the binding represents a key sequence rather than a single character, then
|
|
|
|
the sequence's identification number is enclosed in braces, as in `{seq#3}'.
|
|
|
|
.BE
|
|
|
|
Recalling a few examples from above, the following interpretations can be made:
|
|
|
|
.PP
|
|
|
|
.RS
|
|
|
|
.nf
|
|
|
|
scan 0x07: -AC-L "x" "X" "^X" "^X" 01/b4 01/ce "^X" "^X"
|
|
|
|
scan 0x3e: ----- [F4]
|
|
|
|
scan 0x4a: ----- [page up]
|
|
|
|
scan 0x60: ----- {seq#3}
|
|
|
|
.fi
|
|
|
|
.RE
|
|
|
|
.BG
|
|
|
|
.BU
|
|
|
|
"x" and "X" are printable
|
|
|
|
.SM ASCII
|
|
|
|
characters.
|
|
|
|
.BU
|
|
|
|
"^X" is a control-character.
|
|
|
|
.BU
|
|
|
|
`01/b4' and `01/ce' represent the character codes 0xb4 and 0xce in the `Symbol'
|
|
|
|
character set.
|
|
|
|
.BU
|
|
|
|
Scan code 0x3e generates function-key `F4', and scan code 0x4a generates
|
|
|
|
function-key `page up'.
|
|
|
|
.BU
|
|
|
|
Scan code 0x60 is bound to key sequence #3.
|
|
|
|
.BE
|
|
|
|
Finally, if a scan code is not bound to any characters, then it is annotated
|
|
|
|
with the label `not-bound', as with example scan code 0x68 from above.
|
|
|
|
.SH Sequences
|
|
|
|
A scan code (modified and unmodified) can be bound to a key sequence rather
|
|
|
|
than generating a single character or acting as a modifier. When it is bound
|
|
|
|
to a key sequence, a series of character invocations and modifier actions are
|
|
|
|
automatically generated rather than a single keystroke.
|
|
|
|
.PP
|
|
|
|
Each mapping may contain zero or more key sequence records. The title
|
|
|
|
.SM `SEQUENCES'
|
|
|
|
is printed along with the count of sequence records which follow. For example:
|
|
|
|
.PP
|
|
|
|
.RS
|
|
|
|
.nf
|
|
|
|
SEQUENCES [3]
|
|
|
|
sequence 0: "f" "o" "o"
|
|
|
|
sequence 1: {alternate} "b" "a" "r" {unmodify}
|
|
|
|
sequence 2: [home] "b" "a" "z"
|
|
|
|
.fi
|
|
|
|
.RE
|
|
|
|
.PP
|
|
|
|
The notation used to represent the sequence of generated characters is
|
|
|
|
identical to the notation already described in the
|
|
|
|
.I Characters
|
|
|
|
section above, with the exception that modifier actions may be interposed
|
|
|
|
between generated characters. Such modifier actions are represented by the
|
|
|
|
modifier's name enclosed in braces. The special name `{unmodify}' indicates
|
|
|
|
the release of the modifier keys.
|
|
|
|
.PP
|
|
|
|
Thus, the sequences in the above example can be interpreted as follows:
|
|
|
|
.BG
|
|
|
|
.BU
|
|
|
|
Sequence\ #0 generates `foo'.
|
|
|
|
.BU
|
|
|
|
Sequence\ #1 invokes the
|
|
|
|
.I alternate
|
|
|
|
modifier, generates `bar', and then releases
|
|
|
|
.I alternate.
|
|
|
|
.BU
|
|
|
|
Sequence\ #2 invokes the
|
|
|
|
.I home
|
|
|
|
key and then generates `baz'. In a text editor, this would probably result in
|
|
|
|
`baz' being prepended to the line of text on which the cursor resides.
|
|
|
|
.BE
|
|
|
|
.SH Special Keys
|
|
|
|
Certain keyboards feature keys which perform some type of special purpose
|
|
|
|
function rather than generating a character or acting as a modifier. For
|
|
|
|
instance, Apple keyboards often contain a
|
|
|
|
.I power
|
|
|
|
key, and
|
|
|
|
.SM NeXT
|
|
|
|
keyboards have historically featured screen brightness and volume control keys.
|
|
|
|
.PP
|
|
|
|
Each mapping may contain zero or more special-key records which associate
|
|
|
|
hardware scan codes with such special purpose functions. The title
|
|
|
|
.SM `SPECIALS'
|
|
|
|
is printed along with the count of records which follow. For each record, the
|
|
|
|
special function's name is printed along with a list of scan codes, in
|
|
|
|
hexadecimal format, which are bound to that function. For example:
|
|
|
|
.PP
|
|
|
|
.RS
|
|
|
|
.nf
|
|
|
|
SPECIALS [6]
|
|
|
|
alpha-lock: 0x39
|
|
|
|
brightness-down: 0x79
|
|
|
|
brightness-up: 0x74
|
|
|
|
power: 0x7f
|
|
|
|
sound-down: 0x77
|
|
|
|
sound-up: 0x73
|
|
|
|
.fi
|
|
|
|
.RE
|
|
|
|
.SH FILES
|
|
|
|
.IP *.keymapping
|
|
|
|
A key mapping file which precisely defines the relationship of all
|
|
|
|
hardware-specific keyboard scan-codes with their associated functionality.
|
|
|
|
.IP *.keyboard
|
|
|
|
A file describing the physical layout of keys on a particular type of
|
|
|
|
keyboard. Each `key' token in this file defines the position and shape of the
|
|
|
|
key on the keyboard, as well as the associated scan code which that key
|
|
|
|
generates. A
|
|
|
|
.I .keymapping
|
|
|
|
file, on the other hand, defines the characters which are generated by a
|
|
|
|
particular scan code depending upon the state of the various modifier keys
|
|
|
|
(such as
|
|
|
|
.I shift,
|
|
|
|
.I control,
|
|
|
|
etc.). The `interface' and `handler_id' values from a
|
|
|
|
.I .keymapping
|
|
|
|
file are matched against those in each
|
|
|
|
.I .keyboard
|
|
|
|
file in order to associate a particular
|
|
|
|
.I .keyboard
|
|
|
|
file with a key mapping. Various
|
|
|
|
.SM GUI
|
|
|
|
programs use the
|
|
|
|
.I .keyboard
|
|
|
|
file to display a visual representation of a keyboard for the user. Since
|
|
|
|
these files are just plain text, they can be easily viewed and interpreted
|
|
|
|
without the aid of a specialized program, thus
|
|
|
|
.I dumpkeymap
|
|
|
|
leaves these files alone.
|
|
|
|
.PP
|
|
|
|
/System/Library/Keyboards
|
|
|
|
.br
|
|
|
|
/Network/Library/Keyboards
|
|
|
|
.br
|
|
|
|
/Local/Library/Keyboards
|
|
|
|
.br
|
|
|
|
/Library/Keyboards
|
|
|
|
.RS
|
|
|
|
Repositories for
|
|
|
|
.I .keymapping
|
|
|
|
and
|
|
|
|
.I .keyboard
|
|
|
|
files for MacOS/X, Darwin, and MacOS/X Server.
|
|
|
|
.RE
|
|
|
|
.PP
|
|
|
|
/NextLibrary/Keyboards
|
|
|
|
.br
|
|
|
|
/LocalLibrary/Keyboards
|
|
|
|
.RS
|
|
|
|
Repositories for
|
|
|
|
.I .keymapping
|
|
|
|
and
|
|
|
|
.I .keyboard
|
|
|
|
files for OpenStep and NextStep.
|
|
|
|
.RE
|
|
|
|
.IP $(HOME)/Library/Keyboards
|
|
|
|
Repository for personal
|
|
|
|
.I .keymapping
|
|
|
|
and
|
|
|
|
.I .keyboard
|
|
|
|
files.
|
|
|
|
.SH DIGANOSTICS
|
|
|
|
The following diagnostic messages may be issued to the standard error stream.
|
|
|
|
.TG "Unrecognized option."
|
|
|
|
An unrecognized option was specified on the command-line. Invoke
|
|
|
|
.I dumpkeymap
|
|
|
|
with the
|
|
|
|
.B "\-\^\-help"
|
|
|
|
option to view a list of valid options.
|
|
|
|
.TG "Insufficient data in keymapping data stream."
|
|
|
|
The key mapping file or data stream is corrupt. Either the file has been
|
|
|
|
incorrectly truncated or a field, such as those which indicates the number of
|
|
|
|
variable records which follow, contains a corrupt value.
|
|
|
|
.PP
|
|
|
|
The following diagnostic messages have significance only when trying to print
|
|
|
|
.I .keymapping
|
|
|
|
files mentioned on the command-line.
|
|
|
|
.TG "Bad magic number."
|
|
|
|
The mentioned file is not a
|
|
|
|
.I .keymapping
|
|
|
|
file. The file's content does not start with the string `KYM1'.
|
|
|
|
.TG "Unable to open key mapping file."
|
|
|
|
The call to fopen() failed; probably because the specified path is invalid or
|
|
|
|
.I dumpkeymap
|
|
|
|
does not have permission to read the file.
|
|
|
|
.TG "Unable to determine key mapping file size."
|
|
|
|
The call to fstat() failed, thus memory can not be allocated for loading the
|
|
|
|
file.
|
|
|
|
.TG "Unable to read key mapping file."
|
|
|
|
The call to fread() failed.
|
|
|
|
.PP
|
|
|
|
The following diagnostic messages have significance only when trying to print
|
|
|
|
the currently active key mapping when no
|
|
|
|
.I .keymapping
|
|
|
|
files have been mentioned on the command-line.
|
|
|
|
.TG "Unable to open event status driver."
|
|
|
|
The call to NXOpenEventStatus() failed.
|
|
|
|
.TG "Bad key mapping length."
|
|
|
|
The call to NXKeyMappingLength() returned a bogus value.
|
|
|
|
.TG "Unable to get current key mapping."
|
|
|
|
The call to NXGetKeyMapping() failed.
|
|
|
|
.PP
|
|
|
|
The following diagnostic messages have significance only when using
|
|
|
|
.I dumpkeymap
|
|
|
|
on a non-Apple/\c
|
|
|
|
.SM NeXT
|
|
|
|
platform.
|
|
|
|
.TG "Must specify at least one .keymapping file."
|
|
|
|
No
|
|
|
|
.I .keymapping
|
|
|
|
files were mentioned on the command-line. On non-Apple/\c
|
|
|
|
.SM NeXT
|
|
|
|
platforms, there is no concept of a currently active
|
|
|
|
.I .keymapping
|
|
|
|
file, so at least one file must be mentioned on the command-line.
|
|
|
|
.SH AUTHOR
|
|
|
|
Eric Sunshine <sunshine@sunshineco.com> wrote
|
|
|
|
.I dumpkeymap
|
|
|
|
and this document, the
|
|
|
|
.I "dumpkeymap user's manual."
|
|
|
|
Both
|
|
|
|
.I dumpkeymap
|
|
|
|
and this document are copyright \(co1999,2000 by Eric Sunshine
|
|
|
|
<sunshine@sunshineco.com>. All rights reserved.
|
|
|
|
.PP
|
|
|
|
The implementation of
|
|
|
|
.I dumpkeymap
|
|
|
|
is based upon information gathered on September 3, 1997 by Eric Sunshine
|
|
|
|
<sunshine@sunshineco.com> and Paul S. McCarthy <zarnuk@zarnuk.com> during an
|
|
|
|
effort to reverse engineer the format of the
|
|
|
|
.SM NeXT
|
|
|
|
.I .keymapping
|
|
|
|
file.
|
|
|
|
.if n .PP
|
|
|
|
.if n Version \n(VE \-\-
|
|
|
|
.if n .UP
|