No keyboard layout menu un lightdm?

[Narann]

Hello,

I'm on Mint 20.2 XFCE.

I try to enable keyboard layout menu in lightdm. I use bépo and US layout and want to be able to switch in lightdm.

For now, I see "fr bepo" on the top right of the menu, but there is no menu when I click on it. I don't know why.

Here is my setup:

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$ cat /etc/default/keyboard 
# KEYBOARD CONFIGURATION FILE

# Consult the keyboard(5) manual page.

XKBMODEL="pc105"
XKBLAYOUT="fr,us"
XKBVARIANT="bepo,altgr-intl"
XKBOPTIONS="grp:alt_caps_toggle,compose:rwin,terminate:ctrl_alt_bksp"

BACKSPACE="guess"

As you can see,

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$ cat /etc/lightdm/lightdm-gtk-greeter.conf.d/99_linuxmint.conf 
[greeter]
background=/usr/share/backgrounds/linuxmint/default_background.jpg
theme-name=Mint-X
icon-theme-name=Mint-X
font-name=Ubuntu 11
xft-antialias=true
xft-dpi=96
xft-hintstyle=hintslight
xft-rgba=rgb
indicators=~host;~spacer;~clock;~spacer;~session;~a11y;~language;~power;~layout
keyboard=onboard
reader=orca
position = 50%,center 50%,center
default-user-image = #avatar-default
screensaver-timeout = 60
a11y-states=contrast;font;keyboard;reader
user-background = false
clock-format = %a %d %b, %H:%M

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$ cat /etc/lightdm/lightdm.conf.d/70-linuxmint.conf 
[SeatDefaults]
user-session=xfce

Other (maybe) useful information:

I have nothing enables in /etc/locale.gen (but I suspect it has nothing to do with the lightdm keyboard layout menu).

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$ locale
LANG=C.UTF-8
LANGUAGE=
LC_CTYPE="C.UTF-8"
LC_NUMERIC="C.UTF-8"
LC_TIME="C.UTF-8"
LC_COLLATE="C.UTF-8"
LC_MONETARY="C.UTF-8"
LC_MESSAGES="C.UTF-8"
LC_PAPER="C.UTF-8"
LC_NAME="C.UTF-8"
LC_ADDRESS="C.UTF-8"
LC_TELEPHONE="C.UTF-8"
LC_MEASUREMENT="C.UTF-8"
LC_IDENTIFICATION="C.UTF-8"
LC_ALL=

I haven't modified X11 configuration:

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$ ll /etc/X11/
total 92
drwxr-xr-x  10 root root  4096 Jul 24 17:28 ./
drwxr-xr-x 163 root root 12288 Jul 24 17:10 ../
-rwxr-xr-x   1 root root   709 Feb 23  2016 Xreset*
drwxr-xr-x   2 root root  4096 Jul 10  2020 Xreset.d/
drwxr-xr-x   2 root root  4096 Jul 10  2020 Xresources/
-rwxr-xr-x   1 root root  3730 Nov  4  2017 Xsession*
drwxr-xr-x   2 root root  4096 Jul 11 12:30 Xsession.d/
-rw-r--r--   1 root root   265 Feb 23  2016 Xsession.options
-rw-r--r--   1 root root    13 Dec  5  2016 XvMCConfig
-rw-r--r--   1 root root   630 Jul 17  2018 Xwrapper.config
drwxr-xr-x   2 root root  4096 Feb 24 19:52 app-defaults/
-rw-r--r--   1 root root    18 Jul 17  2018 default-display-manager
drwxr-xr-x   6 root root  4096 Feb  5  2019 fonts/
-rw-r--r--   1 root root 17394 Feb 23  2016 rgb.txt
drwxr-xr-x   3 root root  4096 Jul 24 17:28 xinit/
drwxr-xr-x   2 root root  4096 Feb  2  2018 xkb/
drwxr-xr-x   2 root root  4096 Jul 10  2020 xsm/

Once again, I suspect this has nothing to do with lightdm menu.

Thanks in advance to anyone that would help me.

Keep the good work!