[Gambas-bugtracker] Bug #2385: Gambas IDE code text overwriting itself

[bugtracker at gambaswiki.org]

http://gambaswiki.org/bugtracker/edit?object=BUG.2385&from=L21haW4-

Jason JORDAN reported a new bug.

Summary
-------

Gambas IDE code text overwriting itself

Type             : Bug
Priority         : High
Gambas version   : 3.16
Product          : Development Environment


Description
-----------

After update Ubuntu to 21.10 
- Gambas IDE code text overwriting itself 
- screen-shot attached, with the code copied from (left)IDE to (right)normal text notepad
  hope it helps :) 
- tried changing editor font, a few times, same outcome.
- thank you for this amazing Linux language


System information
------------------

[System]
Gambas=3.16.3
OperatingSystem=Linux
Kernel=5.13.0-20-generic
Architecture=x86_64
Distribution=Ubuntu 21.10
Desktop=MATE
Font=DejaVu Sans Mono,12
Scale=7
Theme=ambiant-mate-dark
Language=en_IE.UTF-8
Memory=15947M

[Libraries]
Cairo=libcairo.so.2.11600.0
Curl=libcurl.so.4.7.0
DBus=libdbus-1.so.3.19.13
GDK2=libgdk-x11-2.0.so.0.2400.33
GDK3=libgdk-3.so.0.2404.26
GStreamer=libgstreamer-1.0.so.0.1805.0
GTK+2=libgtk-x11-2.0.so.0.2400.33
GTK+3=libgtk-3.so.0.2404.26
OpenGL=libGL.so.1.7.0
Poppler=libpoppler.so.111.0.0
QT5=libQt5Core.so.5.15.2
SDL=libSDL-1.2.so.0.11.4
SQLite=libsqlite3.so.0.8.6

[Environment]
COMPIZ_CONFIG_PROFILE=mate
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus,guid=e04bb76e9808f3183d7875db6174c68e
DBUS_STARTER_ADDRESS=unix:path=/run/user/1000/bus,guid=e04bb76e9808f3183d7875db6174c68e
DBUS_STARTER_BUS_TYPE=session
DESKTOP_SESSION=mate
DISPLAY=:0
GB_GUI=gb.gtk3
GDMSESSION=mate
GDM_LANG=en_US
GIO_LAUNCHED_DESKTOP_FILE_PID=4353
GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
GTK_MODULES=appmenu-gtk-module:gail:atk-bridge:canberra-gtk-module
GTK_OVERLAY_SCROLLING=0
HOME=<home>
IM_CONFIG_PHASE=1
INVOCATION_ID=4e31e05b650f4b0890f54415ba344988
JOURNAL_STREAM=8:28434
LANG=en_IE.UTF-8
LANGUAGE=en_IE.UTF-8
LC_ALL=en_IE.UTF-8
LOGNAME=<user>
MANAGERPID=1747
MATE_DESKTOP_SESSION_ID=this-is-deprecated
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
PWD=<home>
QT_ACCESSIBILITY=1
QT_FONT_DPI=75
QT_LOGGING_RULES=*.debug=false
QT_QPA_PLATFORMTHEME=gtk2
QT_SCALE_FACTOR=1
SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-unix/1768,unix/<hostname>:/tmp/.ICE-unix/1768
SHELL=/bin/bash
SHLVL=0
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
SYSTEMD_EXEC_PID=1765
TZ=:/etc/localtime
UBUNTU_MENUPROXY=1
USER=<user>
XAUTHORITY=<home>/.Xauthority
XDG_CONFIG_DIRS=/etc/xdg/xdg-mate:/etc/xdg
XDG_CURRENT_DESKTOP=MATE
XDG_DATA_DIRS=/usr/share/mate:/usr/local/share:/usr/share:/var/lib/snapd/desktop
XDG_GREETER_DATA_DIR=/var/lib/lightdm-data/<user>
XDG_RUNTIME_DIR=/run/user/1000
XDG_SEAT=seat0
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_SESSION_CLASS=user
XDG_SESSION_DESKTOP=mate
XDG_SESSION_ID=c2
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
XDG_SESSION_TYPE=x11
XDG_VTNR=7
_=/usr/bin/dbus-update-activation-environment