GTK empty dropdown/comboboxes

[Charlie Reinl <Karl.Reinl@xxxxxxxxxx>]

Salut,

recently, I have found the combo boxes in the IDE on GTK to be empty,
even after changing the selection. (see attachment) 
I can't remember how to get rid of it.
-- 
Amicalement
Charlie

[System]
Gambas=3.21.99 b11ebc131 (master)
OperatingSystem=Linux
Distribution=Ubuntu 24.04.4 LTS (Noble Numbat)
Kernel=6.8.0-100-generic
Architecture=x86_64
Cores=4
Memory=5878M
Language=de_DE.UTF-8
Platform=x11
Desktop=GNOME
DesktopResolution=96
DesktopScale=8
WidgetTheme=yaru
Font=Ubuntu,11
DarkTheme=False
[Programs]
dpkg=Debian »dpkg« Paketmanagement-Programm Version 1.22.6 (amd64).
gcc=gcc (Ubuntu 13.3.0-6ubuntu2~24.04.1) 13.3.0
git=git version 2.43.0
msgmerge=msgmerge (GNU gettext-tools) 0.21
[Libraries]
Cairo=libcairo.so.2.11800.0
Curl=libcurl.so.4.8.0
DBus=libdbus-1.so.3.32.4
GDK2=libgdk-x11-2.0.so.0.2400.33
GDK3=libgdk-3.so.0.2409.32
GStreamer=libgstreamer-1.0.so.0.2402.0
GTK+2=libgtk-x11-2.0.so.0.2400.33
GTK+3=libgtk-3.so.0.2409.32
OpenGL=libGL.so.1.7.0
Poppler=libpoppler.so.134.0.0
QT5=libQt5Core.so.5.15.13
QT6=libQt6Core.so.6.4.2
RSvg=librsvg-2.so.2.50.0
SDL=libSDL2-2.0.so.0.3000.0
SQLite3=libsqlite3.so.0.8.6
[Environment]
CLUTTER_DISABLE_MIPMAPPED_TEXT=1
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
DEBUGINFOD_URLS=https://debuginfod.ubuntu.com 
DESKTOP_SESSION=gnome-xorg
DISPLAY=:0
GB_GUI=gb.gtk3
GDMSESSION=gnome-xorg
GIO_LAUNCHED_DESKTOP_FILE=<home>/.local/share/applications/gambas3.desk

top
GIO_LAUNCHED_DESKTOP_FILE_PID=59838
GJS_DEBUG_OUTPUT=stderr
GJS_DEBUG_TOPICS=JS ERROR;JS LOG
GNOME_DESKTOP_SESSION_ID=this-is-deprecated
GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
GSM_SKIP_SSH_AGENT_WORKAROUND=true
GTK_MODULES=gail:atk-bridge
HOME=<home>
INVOCATION_ID=a57633a24921412b902da62a71149851
JOURNAL_STREAM=8:36221
LANG=de_DE.UTF-8
LANGUAGE=de_DE.UTF-8
LIBVIRT_DEFAULT_URI=qemu:///system
LOGNAME=<user>
MANAGERPID=2490
MEMORY_PRESSURE_WATCH=/sys/fs/cgroup/user.slice/user-1000.slice/user@1000.service
/session.slice/org.gnome.Shell@x11.service/memory.pressure
MEMORY_PRESSURE_WRITE=c29tZSAyMDAwMDAgMjAwMDAwMAA=
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/

games:/usr/local/games:/snap/bin:/snap/bin
PWD=<home>
QTWEBENGINE_DICTIONARIES_PATH=/usr/share/hunspell-bdic/
QT_ACCESSIBILITY=1
QT_IM_MODULE=ibus
QT_LOGGING_RULES=*.debug=false
SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-
unix/2796,unix/<hostname>:/tmp/.ICE-unix/2796
SHELL=/bin/bash
SHLVL=0
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
SYSTEMD_EXEC_PID=2830
TZ=:/etc/localtime
USER=<user>
USERNAME=<user>
WINDOWPATH=2
XAUTHORITY=/run/user/1000/gdm/Xauthority
XDG_ACTIVATION_TOKEN=gnome-shell/Gambas 3/2830-57-
<hostname>_TIME113973408
XDG_CONFIG_DIRS=/etc/xdg/xdg-gnome-xorg:/etc/xdg
XDG_CURRENT_DESKTOP=GNOME
XDG_DATA_DIRS=/usr/share/gnome-
xorg:/usr/share/gnome:<home>/.local/share/flatpak/exports/share:/var/li

b/flatpak/exports/share:/usr/local/share/:/usr/share/:/var/lib/snapd/de

sktop
XDG_MENU_PREFIX=gnome-
XDG_RUNTIME_DIR=/run/user/1000
XDG_SESSION_CLASS=user
XDG_SESSION_DESKTOP=gnome-xorg
XDG_SESSION_TYPE=x11
XMODIFIERS=@im=ibus

Attachment: empty-dropdown-2026-02-24 21-06-02.png
Description: PNG image