Re: Problem with Dark Theme and Foreground

[CD <dessere.claude@xxxxxx>]

Thanks for the info, that does indeed fix the problem.

Claude DESSERÉ

Le samedi 22 novembre 2025 à 18:23 -0700, Dimitris Anogiatis a écrit :
> QT5 has its own Configuration tool where you can select a dark theme if you
> want...  it's called qt5ct
> QT6 also has the same kind of tool called qt6ct
> 
> The IDE might be able to select the theme but the compiled apps are probably
> getting their theme options from the system not from the IDE.
> 
> On Sat, Nov 22, 2025 at 5:32 PM CD <dessere.claude@xxxxxx> wrote:
> > I don't know which bug you're referring to, 
> > nor how that line ended up in the project file. 
> > 
> >  I've tested it with and without that line, 
> > and I get exactly the same behavior 
> > except that `Application.Env["GB_GUI"]` 
> > returns nothing with gb.qt5. 
> > 
> >  I've made a summary, which I've attached. 
> > 
> >  One thing has changed with the gb.qt5 component: 
> > In my first email about this, the color wasn't displaying in design mode; 
> > now it is. 
> >  But in runtime mode, there's still no foreground color for the button!
> > 
> > Regards
> > 
> > [System]
> > Gambas=3.21.1 5994807 (master)
> > OperatingSystem=Linux
> > Distribution=Ubuntu 24.04.3 LTS (Noble Numbat)
> > Kernel=6.8.0-88-generic
> > Architecture=x86_64
> > Cores=8
> > Memory=7817M
> > Language=fr_FR.UTF-8
> > Platform=x11
> > Desktop=MATE
> > DesktopResolution=96
> > DesktopScale=9
> > WidgetTheme=blackmate
> > Font=Ubuntu Mono,13
> > DarkTheme=True
> > [Programs]
> > dpkg=Programme « dpkg » de gestion de paquets Debian version 1.22.6 (amd64).
> > gcc=gcc (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0
> > git=git version 2.43.0
> > msgmerge=msgmerge (GNU gettext-tools) 0.21
> > rpmbuild=RPM version 4.18.2
> > [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
> > Poppler=libpoppler.so.73.0.0
> > 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]
> > COMPIZ_CONFIG_PROFILE=mate
> > DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
> > DEBUGINFOD_URLS=https://debuginfod.ubuntu.com 
> > DEFAULTS_PATH=/usr/share/gconf/mate.default.path
> > DESKTOP_SESSION=mate
> > DISPLAY=:0
> > GB_GUI=gb.gtk3
> > GDMSESSION=mate
> > GDM_LANG=fr_FR
> > GIO_LAUNCHED_DESKTOP_FILE=<home>/Bureau/gambas3.desktop
> > GIO_LAUNCHED_DESKTOP_FILE_PID=56895
> > GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
> > GTK3_MODULES=xapp-gtk3-module
> > GTK_MODULES=appmenu-gtk-module:gail:atk-bridge:canberra-gtk-module
> > GTK_OVERLAY_SCROLLING=0
> > HOME=<home>
> > INSIDE_CAJA_PYTHON=
> > LANG=fr_FR.UTF-8
> > LANGUAGE=fr_FR.UTF-8
> > LC_ADDRESS=fr_FR.UTF-8
> > LC_IDENTIFICATION=fr_FR.UTF-8
> > LC_MEASUREMENT=fr_FR.UTF-8
> > LC_MONETARY=fr_FR.UTF-8
> > LC_NAME=fr_FR.UTF-8
> > LC_NUMERIC=fr_FR.UTF-8
> > LC_PAPER=fr_FR.UTF-8
> > LC_TELEPHONE=fr_FR.UTF-8
> > LC_TIME=fr_FR.UTF-8
> > LOGNAME=<user>
> > MANDATORY_PATH=/usr/share/gconf/mate.mandatory.path
> > MATE_DESKTOP_SESSION_ID=this-is-deprecated
> > PAPERSIZE=a4
> > 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=96
> > QT_LOGGING_RULES=*.debug=false
> > QT_QPA_PLATFORMTHEME=gtk2
> > QT_SCALE_FACTOR=1
> > SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-
> > unix/2337,unix/<hostname>:/tmp/.ICE-unix/2337
> > SHELL=/bin/bash
> > SHLVL=0
> > SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
> > 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/share/mate:/usr/share/gnome:/usr/local/sh
> > are:/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
> > 
> > Le samedi 22 novembre 2025 à 17:00 +0000, Bruce Steers a écrit :
> > > That was odd.
> > > I could only get your program to run with gb.gtk3.
> > > 
> > > It did not matter how i set the GB_GUI env it always used gb.gtk3
> > > 
> > > I then removed this line from the ".project" file...
> > > StartupEnvironment=GB_GUI=gb.qt5 gambas3
> > > 
> > > After removing that line it now uses the different gui toolkits requested
> > > in the IDE.
> > > 
> > > I do not know if that helps with your issue?  it certainly seemed to fix a
> > > bug.
> > > 
> > > Respects
> > > BruceS
> > > 
> > > 
> > > On Sat, 22 Nov 2025 at 16:25, CD <dessere.claude@xxxxxx> wrote:
> > > > Hello, thank you for your reply.
> > > > 
> > > > I'm really disappointed!
> > > > 
> > > > I've tried all the themes offered by Mate, but nothing works.
> > > > 
> > > > I wrote an app that displays information for the three components:
> > > > gb.gui  selects gb.gtk3
> > > > gb.gui.qt  selects gb.qt6
> > > > gb.qt5  selects gb.qt5 gambas3
> > > > 
> > > > In design mode, the button doesn't display correctly in all three cases!
> > > > 
> > > > The attached app includes a screenshot for each of the three cases.
> > > > 
> > > > Only with gb.gui does the color display correctly when running.
> > > > 
> > > > I've also attached a screenshot of Gambas3 in design mode with the test
> > > > app.
> > > > 
> > > > I've also included two files in the attached project that describe the
> > > > theme I'm using.
> > > > 
> > > > Like many others, I find that Ubuntu isn't what it used to be.
> > > > 
> > > > What configuration do you recommend:
> > > > 
> > > > Distribution
> > > > Desktop
> > > > Dark theme
> > > > Environment settings, etc.?
> > > > 
> > > > Thank you in advance for your expert advice.
> > > > Regards
> > > > 
> > > > [System]
> > > > Gambas=3.21.1 5994807 (master)
> > > > OperatingSystem=Linux
> > > > Distribution=Ubuntu 24.04.3 LTS (Noble Numbat)
> > > > Kernel=6.8.0-88-generic
> > > > Architecture=x86_64
> > > > Cores=8
> > > > Memory=7817M
> > > > Language=fr_FR.UTF-8
> > > > Platform=x11
> > > > Desktop=MATE
> > > > DesktopResolution=96
> > > > DesktopScale=9
> > > > WidgetTheme=proxy
> > > > Font=Ubuntu,11
> > > > DarkTheme=True
> > > > [Programs]
> > > > dpkg=Programme « dpkg » de gestion de paquets Debian version 1.22.6
> > > > (amd64).
> > > > gcc=gcc (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0
> > > > git=git version 2.43.0
> > > > msgmerge=msgmerge (GNU gettext-tools) 0.21
> > > > rpmbuild=RPM version 4.18.2
> > > > [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
> > > > Poppler=libpoppler.so.73.0.0
> > > > 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]
> > > > COMPIZ_CONFIG_PROFILE=mate
> > > > DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
> > > > DEBUGINFOD_URLS=https://debuginfod.ubuntu.com
> > > > DEFAULTS_PATH=/usr/share/gconf/mate.default.path
> > > > DESKTOP_SESSION=mate
> > > > DISPLAY=:0
> > > > GB_GUI=gb.qt5
> > > > GDMSESSION=mate
> > > > GDM_LANG=fr_FR
> > > > GIO_LAUNCHED_DESKTOP_FILE=<home>/Bureau/gambas3.desktop
> > > > GIO_LAUNCHED_DESKTOP_FILE_PID=8877
> > > > GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
> > > > GTK3_MODULES=xapp-gtk3-module
> > > > GTK_MODULES=appmenu-gtk-module:gail:atk-bridge:canberra-gtk-module
> > > > GTK_OVERLAY_SCROLLING=0
> > > > HOME=<home>
> > > > INSIDE_CAJA_PYTHON=
> > > > LANG=fr_FR.UTF-8
> > > > LANGUAGE=fr_FR.UTF-8
> > > > LC_ADDRESS=fr_FR.UTF-8
> > > > LC_IDENTIFICATION=fr_FR.UTF-8
> > > > LC_MEASUREMENT=fr_FR.UTF-8
> > > > LC_MONETARY=fr_FR.UTF-8
> > > > LC_NAME=fr_FR.UTF-8
> > > > LC_NUMERIC=fr_FR.UTF-8
> > > > LC_PAPER=fr_FR.UTF-8
> > > > LC_TELEPHONE=fr_FR.UTF-8
> > > > LC_TIME=fr_FR.UTF-8
> > > > LOGNAME=<user>
> > > > MANDATORY_PATH=/usr/share/gconf/mate.mandatory.path
> > > > MATE_DESKTOP_SESSION_ID=this-is-deprecated
> > > > PAPERSIZE=a4
> > > > PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/g
> > > > ames:/usr/local/games:/snap/bin
> > > > PWD=<home>
> > > > QT_ACCESSIBILITY=1
> > > > QT_FONT_DPI=96
> > > > QT_LOGGING_RULES=*.debug=false
> > > > QT_QPA_PLATFORMTHEME=gtk2
> > > > QT_SCALE_FACTOR=1
> > > > SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-
> > > > unix/2337,unix/<hostname>:/tmp/.ICE-unix/2337
> > > > SHELL=/bin/bash
> > > > SHLVL=0
> > > > SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
> > > > 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/share/mate:/usr/share/gnome:/usr/loca
> > > > l/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
> > > > 
> > > > 
> > > > 
> > 
> >