mirror of https://github.com/neutrinolabs/xrdp
Update manpages for new mapping files
A new manpage describing the new file format for the keyboard mapping files is added.
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matt335672
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@ -8,6 +8,7 @@ man_MANS = \
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xrdp-dis.1 \
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sesman.ini.5 \
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xrdp.ini.5 \
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xrdp-km.toml.5 \
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xrdp.8 \
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xrdp-chansrv.8 \
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xrdp-genkeymap.8 \
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@ -9,48 +9,44 @@
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.SH "SYNTAX"
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.B xrdp\-genkeymap
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.I file
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.I [ options ] file
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.SH "DESCRIPTION"
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\fBxrdp\-genkeymap\fR extracts the key map used by the currently running X session to generated a mapping from Remote Desktop Protocol (RDP) key codes to X keysyms and Unicode code points.
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\fBxrdp\-genkeymap\fR extracts the current key map from the X server
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X session to generate a mapping from Remote Desktop Protocol (RDP)
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scan codes to X keysyms and Unicode code points.
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Before running this utility, make sure the keymap is correct, by issuing
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the correct \fIsetxkbmap\fP command(s).
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.SH OPTIONS
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.TP
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.I outfile
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.B -k 'keycode_set'
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Inform \fBxrdp\-genkeymap\fR of the keycode set in operation (evdev or
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base), so that the correct scan code to keycode mapping table is selected
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to generate the keymap.
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If you omit this option, the XKB extension is asked to provide the
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name of the keycode set.
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.TP
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.B -c 'comment'
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Adds a comment to the top of the generated file.
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This option may be repeated more than once to add multiple comments to
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the top of the file.
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.TP
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.B outfile
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The key map information is stored in the file named \fIoutfile\fP.
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.SH "FILES"
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.TP
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.I @sysconfdir@/xrdp/km-XXXXXXXX.ini
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Files containing the keyboard mapping for language \fIXXXXXXXX\fP, which is a 8 digit hexadecimal number identifying the country and language code.
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.RS 8
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.TP
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.B 00000405
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cs Czech
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.TP
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.B 00000407
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de German
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.TP
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.B 00000409
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en-us US English
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.TP
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.B 0000040c
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fr French
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.TP
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.B 00000410
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it Italian
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.TP
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.B 00000416
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br Portuguese (Brazil)
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.TP
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.B 00000419
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ru Russian
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.TP
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.B 0000041d
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se Swedish
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.TP
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.B 00000809
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en-uk UK English
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.I @sysconfdir@/xrdp/km-XXXXXXXX.toml
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Files containing the keyboard mapping for country and language \fIXXXXXXXX\fP.
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\fIXXXXXXXX\fP is a 8 digit hexadecimal number, representing the \fIinput
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locale identifier\fP.
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The input locale identifier is passed from the RDP client when it connects.
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.RE
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.SH "AUTHORS"
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@ -60,8 +56,15 @@ Simone Fedele <ilsimo@users.sourceforge.net>
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.SH "SEE ALSO"
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.BR xrdp (8),
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.BR xrdp-km.toml (5),
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.BR setxkbmap (1),
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.BR unicode (7)
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.PP
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Input locale identifiers on the
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.UR https://go.microsoft.com/fwlink/?LinkId=202824
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Microsoft website
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.UE
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.PP
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Description of Keyboard Input mapping on the
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.UR https://github.com/FreeRDP/FreeRDP/wiki/Keyboard
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@ -0,0 +1,129 @@
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.\"
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.TH "xrdp-km.toml" "5" "@PACKAGE_VERSION@" "xrdp team" ""
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.SH "NAME"
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\fBxrdp-km.toml\fR \- \fBxrdp\fP key mapping file
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.SH "DESCRIPTION"
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Key mapping files are located at \fB@sysconfdir@/xrdp/km-XXXXXXXX.toml\fP
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where \fBXXXXXXXX\fP is the input locale identifier sent by the RDP client.
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The key mapping files are used to translate RDP scan codes into one of
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the following forms:-
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.TP
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.B X11 KeySyms
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These are used when \fBxrdp\fP connects to a VNC server.
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.TP
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.B Unicode characters
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These are used on the \fBxrdp\fP login screen.
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.RE
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.PP
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Each keymap file consists of several sections. Each section starts with
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the section name in square brackets, followed by a list of
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\fIparameter\fR=\fIvalue\fR lines.
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.SH "SECTIONS"
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The following sections are recognized:
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.TP
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\fB[Globals]\fR
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Global configuration
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.TP
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\fB[noshift]\fR
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Key mappings if no modifier keys (i.e. shift, alt gr, caps lock) are down.
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.TP
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\fB[shift]\fR
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Key mappings if the shift key is down.
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.TP
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\fB[altgr]\fR
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Key mappings if the alt gr key is down.
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.TP
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\fB[shiftaltgr]\fR
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Key mappings if the shift and alt gr keys are down.
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.TP
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\fB[capslock]\fR
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Key mappings if the caps lock key is down.
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.TP
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\fB[shiftcapslock]\fR
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Key mappings if the caps lock and shift keys are down.
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.TP
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\fB[shiftcapslockaltgr]\fR
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Key mappings if the shift, caps lock and alt gr keys are down.
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.TP
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\fB[numlock]\fR
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Key mappings if the numlock key is down.
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.LP
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All parameters and values are case
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insensitive, and are described in detail below. If any parameter is
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specified more than once, the last entry will be used. Options specified
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outside their proper section will be \fIignored\fR.
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.SH "GLOBALS Section"
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Following parameters can be used in the \fB[Globals]\fR section.
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.TP
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\fBVersion\fR=\fInumber\fR
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Version of the file format in use.
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Can be used to check for file format mis-matches when a file is loaded.
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.RE
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.SH "Keymap Sections"
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All other sections contain lines formatted in one of the following
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ways:-
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.TP
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<scancode>=<KeySym>
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.TP
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<scancode>=<KeySymNum>:<unicode-char>
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.RE
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Each line may also be followed by a comment (preceded by '#') which
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contains more information about the key, for example a KeySym string.
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.TP
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.B scancode
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A \fBscancode\fP is an RDP scancode received from the client. These
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correspond to Windows "Scan Code Set 1" scan codes, and can be displayed
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in Windows by using an appropriate utility.
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The \fBscancode\fP is in one of these two forms:-
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.RS 8
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.TP
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.B <hex-digit><hex-digit>
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Standard scancodes. For example, '1C' refers to the enter key.
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These are 'key down' scancodes, and so are always between 00 and 7F.
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.TP
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.B E0_<hex-digit><hex-digit>
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Extended scancodes. For example, 'E0_1C' refers to the enter key on the numeric keypad.
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.RE
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.TP
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.B KeySymNum
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A decimal number representing an X11 KeySym
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.TP
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.B unicode-char
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A string of the format \fBU+XXXX\fP \fBU+XXXXX\fP,, \fBU+XXXXX\fP,
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where \fBX\fP is a hexadecimal digit.
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.RE
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.SH "Limitations"
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This file format has the following limitations.
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.IP \(bu
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Not all combinations of shift keys are stored in the file. For example,
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at present there is no section for shift and numlock combined.
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.IP \(bu
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Modifier keys, other than the ones supported above, are not supported.
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.SH "SEE ALSO"
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.BR xrdp-genkeymap (8)
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.PP
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Scancode mappings for most keyboards at
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.UR https://kbdlayout.info
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.UE
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For more info on \fBxrdp\fR see
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.UR @xrdphomeurl@
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.UE
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@ -10,47 +10,10 @@ km-xxxxxxxx.toml
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where the xxxxxxxx is replaced by the hex number of the layout of interest.
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The files are TOML compatible, with 10 sections;
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The contents of the files are documented in xrdp-km.toml(5)
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[General], [noshift], [shift], [altgr], [shiftaltgr], [capslock],
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[capslockaltgr], [shiftcapslock], [shiftcapslockaltgr], [numlock]
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The [General] section contains information about the file. All other
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sections contain key mappings corresponding to the state of the modifier
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keys when the key is pressed.
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An example line looks like;
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<RDP scancode>="<KeySym>[:<unicode>]" # comment
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RDP scancode
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------------
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The RDP scancode is the code received from the RDP client for each
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key. RDP scancodes are more-or-less the same as Windows scancodes,
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or "Scan Code Set 1" key-down values.
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Example scancodes might be '1C' for the enter key on most European
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keyboards, or 'E0 1C' for the number pad enter key.
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A good website to consult for scancodes for a wide range of keyboards is
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https://kbdlayout.info/
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KeySym
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------
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The KeySym is a value used by the X server as an abstraction of the
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engraving on the key being pressed. It is needed to interact with the
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VNC server.
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Unicode
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-------
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Keys which generate a character when pressed have this value added.
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This is used by the xrdp login screen.
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Comment
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-------
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For generated keymap files, the comment is the name of the X11 KeySym
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for the key. This makes it a lot easier to see what is going on in
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the file.
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See also xrdp-genkeymap(8) which describes the utility used to
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generate these files.
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Creating a new file
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-------------------
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@ -58,24 +21,29 @@ Creating a new file
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To create a new file:-
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1) Start an X server
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2) Use the 'setxkbmap' command to get the keyboard configured
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for the X server. Currently this has to use the 'evdev' rules so
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that xrdp and the X server agree on the low-level X11 keycodes to
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be used for the keys.
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for the X server.
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3) Run the 'xrdp-genkeymap' command to extract the keyboard
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mappings
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Example: ./xrdp-genkeymap /etc/xrdp/km-00000409.toml
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Example: ./xrdp-genkeymap ./km-00000409.toml
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Note: You need to have enough rights to be able to write to the
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/etc/xrdp directory.
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Alternatively, create the keymap file in a directory of your choice, then
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copy or move it over to /etc/xrdp using sudo/su.
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4) Copy the generated file to /etc/xrdp/
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Using the X server of your current session may not be a good idea, as
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session and window managers can interfere with key bindings. A good option
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is to use an 'Xvfb' dummy X server to do this.
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See also the dump_keymaps.sh script which auto-generates many keymap
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files for the xrdp distribution. Consider adding your keyboard into this
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list.
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Getting a file added to xrdp
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----------------------------
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The file dump-keymaps.sh in this directory is used to auto-generate
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all keymap files. It runs on Linux currently, but will generate
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keymap files suitable for any xrdp platform.
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1) Add a line towards the end of this file which causes your mapping to
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be generated. Use the other lines in this file as a guide.
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2) Run the dump-keymaps.sh script to generate a new file in
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instfiles/
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3) Add your mapping to the list in instfiless/Makefile.am
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4) Submit a pull request to the project containing the above three
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changes.
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