Non vorrei sfondare una porta aperta
Nuovo progetto Graphical Application ( ma ho provato anche con QT e GTK
nel form creo un pulsante
cambio il background
Con Qt4 e GTK3 il colore viene visualizzato
Con GTK2 e QT5 rimane lo stesso
il mio sistema
(mi capita anche sul Pc con Xubuntu
[System]
Gambas=3.14.3
OperatingSystem=Linux
Kernel=4.15.0-20-generic
Architecture=x86_64
Distribution=Linux Mint 19 Tara
Desktop=CINNAMON
Theme=Qt5CTProxy
Language=it_IT.UTF-8
Memory=3934M
[Libraries]
Cairo=libcairo.so.2.11510.0
Curl=libcurl.so.4.5.0
DBus=libdbus-1.so.3.19.4
GStreamer=libgstreamer-1.0.so.0.1405.0
GTK+2=libgtk-x11-2.0.so.0.2400.32
GTK+3=libgtk-3.so.0.2200.30
OpenGL=libGL.so.1.0.0
Poppler=libpoppler.so.73.0.0
QT4=libQtCore.so.4.8.7
QT5=libQt5Core.so.5.9.5
SDL=libSDL-1.2.so.0.11.4
SQLite=libsqlite3.so.0.8.6
[Environment]
CINNAMON_VERSION=3.8.9
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
DEFAULTS_PATH=/usr/share/gconf/cinnamon.default.path
DESKTOP_SESSION=cinnamon
DISPLAY=:0
GB_GUI=gb.qt5
GDMSESSION=cinnamon
GDM_LANG=it
GIO_LAUNCHED_DESKTOP_FILE=/usr/share/applications/gambas3.desktop
GIO_LAUNCHED_DESKTOP_FILE_PID=29080
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
GTK_MODULES=gail:atk-bridge
GTK_OVERLAY_SCROLLING=1
HOME=<home>
KICAD_PATH=/usr/share/kicad
KIGITHUB=https://github.com/KiCad
LANG=it_IT.UTF-8
LANGUAGE=it_IT.UTF-8
LOGNAME=<user>
MANDATORY_PATH=/usr/share/gconf/cinnamon.mandatory.path
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games
PWD=<home>
QT_ACCESSIBILITY=1
QT_QPA_PLATFORMTHEME=qt5ct
SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-unix/1269,unix/<hostname>:/tmp/.ICE-unix/1269
SHELL=/bin/bash
SHLVL=0
SSH_AGENT_PID=1368
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_DESKTOP=cinnamon
XDG_SESSION_ID=c1
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
XDG_SESSION_TYPE=x11
XDG_VTNR=7