[Gambas-bugtracker] Bug #2952: The Default Button of the MessageBox doesn't show the Focus Rectangle when Property DefaultButton is set to False under GTK

[<bugtracker@xxxxxxxxxxxxxx>]

http://gambaswiki.org/bugtracker/edit?object=BUG.2952&from=L21haW4-

Claus DIETRICH reported a new bug.

Summary
-------

The Default Button of the MessageBox doesn't show the Focus Rectangle when Property DefaultButton is set to False under GTK

Type             : Bug
Priority         : Medium
Gambas version   : 3.19
Product          : GTK+3 component


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

When I set the DefaultButton property of the Message class to False, the default button doesn't display the focus rectangle; i.e.:

  Message.DefaultButton = False
  Select Message.Question("Are you sure that you want to delete the item?", "Yes", "Return")
  case 1
    ..
  case 2
    ..
  end Select

When I press the Tab-key twice under this condition the default button displays the focus rectangle. So the default button can display the focus rectangle.

This problem didn't occur under QT.

With best regards

Claus


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

[System]
Gambas=3.19.5
OperatingSystem=Linux
Distribution=Linux Mint 20.3 (Una)
Kernel=5.4.0-196-generic
Architecture=x86_64
Cores=8
Memory=15872M
Language=de_DE.UTF-8
Platform=x11
Desktop=CINNAMON
DesktopResolution=96
DesktopScale=7
WidgetTheme=mint-y
Font=Ubuntu,10
[Programs]
appimage-builder=appimage-builder: 1.1.0
dpkg=Debian »dpkg« Paketmanagement-Programm Version 1.19.7 (amd64).
gcc=gcc (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0
msgmerge=msgmerge (GNU gettext-tools) 0.19.8.1
rpmbuild=RPM version 4.14.2.1
[Libraries]
Cairo=libcairo.so.2.11600.0
Curl=libcurl.so.4.6.0
DBus=libdbus-1.so.3.19.11
GDK2=libgdk-x11-2.0.so.0.2400.32
GDK3=libgdk-3.so.0.2404.16
GStreamer=libgstreamer-1.0.so.0.1603.0
GTK+2=libgtk-x11-2.0.so.0.2400.32
GTK+3=libgtk-3.so.0.2404.16
OpenGL=libGL.so.1.7.0
Poppler=libpoppler.so.97.0.0
QT5=libQt5Core.so.5.12.8
RSvg=librsvg-2.so.2.47.0
SDL=libSDL2-2.0.so.0.10.0
SQLite 3=libsqlite3.so.0.8.6
[Environment]
CINNAMON_VERSION=5.2.7
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
DESKTOP_SESSION=cinnamon
DISPLAY=:0
GB_DESKTOP_PORTAL_ENABLED=0
GB_GUI=gb.gtk3
GDMSESSION=cinnamon
GDM_LANG=de_DE
GIO_LAUNCHED_DESKTOP_FILE=<home>/.local/share/applications/gambas3.desktop
GIO_LAUNCHED_DESKTOP_FILE_PID=138221
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
GTK3_MODULES=xapp-gtk3-module
GTK_MODULES=gail:atk-bridge
GTK_OVERLAY_SCROLLING=1
HOME=<home>
LANG=de_DE.UTF-8
LANGUAGE=de_DE.UTF-8
LC_ADDRESS=de_DE.UTF-8
LC_ALL=de_DE.UTF-8
LC_IDENTIFICATION=de_DE.UTF-8
LC_MEASUREMENT=de_DE.UTF-8
LC_MONETARY=de_DE.UTF-8
LC_NAME=de_DE.UTF-8
LC_NUMERIC=de_DE.UTF-8
LC_PAPER=de_DE.UTF-8
LC_TELEPHONE=de_DE.UTF-8
LC_TIME=de_DE.UTF-8
LOGNAME=<user>
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_LOGGING_RULES=*.debug=false
QT_QPA_PLATFORMTHEME=qt5ct
SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-unix/1242,unix/<hostname>:/tmp/.ICE-unix/1242
SHELL=/bin/bash
SHLVL=0
SSH_AGENT_PID=1315
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
TZ=:/etc/localtime
USER=<user>
XAUTHORITY=<home>/.Xauthority
XDG_CONFIG_DIRS=/etc/xdg/xdg-cinnamon:/etc/xdg
XDG_CURRENT_DESKTOP=X-Cinnamon
XDG_DATA_DIRS=/usr/share/cinnamon:/usr/share/gnome:<home>/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share:/usr/share
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=cinnamon
XDG_SESSION_ID=c2
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
XDG_SESSION_TYPE=x11
XDG_VTNR=7


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