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bug#16645: 24.3; in xterm, keypad = is translated to M-o x
From: |
Vincent Lefevre |
Subject: |
bug#16645: 24.3; in xterm, keypad = is translated to M-o x |
Date: |
Tue, 7 Sep 2021 11:53:52 +0200 |
User-agent: |
Mutt/2.1.2+54 (f0ff78a5) vl-138565 (2021-08-25) |
On 2021-09-06 11:36:10 +0200, Lars Ingebrigtsen wrote:
> Vincent Lefevre <vincent@vinc17.net> writes:
>
> > (define-key map "\eOx" [kp-8])
> > (define-key map "\eOy" [kp-9])
> >
> > Why nothing for [kp-equal]?
>
> Yes, that seems odd.
>
> Just to check -- does tack say that 9 on the keypad gives Ox and = on
> the keypad gives OX?
In xterm, tack says for the keypad keys 8, 9 and =:
^[Ox (ka2)
^[Oy (ka3)
^[OX Unknown
So the meaning of ^[OX is unknown for tack and also ncurses.
I wonder whether this sequence is generated by xterm or some library.
On 2021-09-06 11:59:55 +0200, Andreas Schwab wrote:
> On Mär 28 2020, Vincent Lefevre wrote:
>
> > Why nothing for [kp-equal]?
>
> Probably because PC keyboards don't come with a '=' key on the keypad.
Indeed. The keypad of the PC keyboards seems to come from the
VT220 keypad block: ncurses has a file misc/terminfo.src with
# With the VT220 keypad block that uses the 1-9 keys as suggested in
# terminfo(5), the other keys can be handled with user-defined capabilities:
#
# _______________________________________
# | NumLock | / | * | - |
# | | $Oo | $Oj | $OS |
# |_________|__kpDIV__|__kpMUL__|__kpSUB__|
# | 7 8 9 | |
# | $Ow | $Ox | $Oy | + |
# |_ka1__K1_|_________|_ka3__K3_| $Ok |
# | 4 | 5 | 6 | kpADD |
# | $Ot | $Ou | $Ov | |
# |_________|_kb2__K2_|_________|_________|
# | 1 | 2 | 3 | |
# | $Oq | $Or | $Os | |
# |_kc1__K4_|_________|_kc3__K5_| enter |
# | 0 | . | $OM |
# | $Op | $On | |
# |___________________|_________|_kent_@8_|
#
xterm+keypad|xterm emulating VT100/VT220 numeric keypad,
kp5=\EOE, kpADD=\EOk, kpCMA=\EOl, kpDIV=\EOo, kpDOT=\EOn,
kpMUL=\EOj, kpSUB=\EOm, kpZRO=\EOp, use=vt220+keypad,
The keypad "=" key is an additional key on my Apple keyboard
(where the "+" key has a normal size instead of a double size,
allowing this additional key).
--
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)