mirror of
https://github.com/BetterCorp/BetterFrame.git
synced 2026-05-26 22:26:33 +00:00
e26af6c0cc
WebView showed a grey/black half-square in the top-left — that's GDK's "none" cursor rendered by WebKit's own surface, which ignores the GTK-window CSS we set elsewhere. Inject a WebKit UserStyleSheet that applies cursor:none !important to every page + frame at User priority, overriding page-author CSS. For the boot gap (cage start → first kiosk frame), set XCURSOR_SIZE=1 and WLR_NO_HARDWARE_CURSORS=1 in the systemd unit. SW fallback honors the 1-pixel size; HW cursors don't, which is why a default arrow leaks through on some Pi GPUs.
56 lines
2.2 KiB
Desktop File
56 lines
2.2 KiB
Desktop File
[Unit]
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Description=BetterFrame Kiosk (cage + betterframe-kiosk)
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Documentation=https://github.com/BetterCorp/BetterFrame
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After=systemd-user-sessions.service plymouth-quit-wait.service network-online.target seatd.service
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Wants=network-online.target
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Conflicts=getty@tty1.service
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After=getty@tty1.service
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# After 10 fast restarts in 60s, back off so a broken binary doesn't burn CPU.
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StartLimitIntervalSec=60
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StartLimitBurst=10
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[Service]
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Type=simple
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User=bfkiosk
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Group=bfkiosk
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SupplementaryGroups=video render input audio
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PAMName=cage
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TTYPath=/dev/tty1
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TTYReset=yes
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TTYVHangup=yes
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TTYVTDisallocate=yes
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StandardInput=tty-fail
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StandardOutput=journal
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StandardError=journal
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UtmpIdentifier=tty1
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UtmpMode=user
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WorkingDirectory=/home/bfkiosk
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EnvironmentFile=-/etc/default/betterframe-kiosk
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Environment=XDG_SESSION_TYPE=wayland
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Environment=XDG_SESSION_CLASS=user
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Environment=GST_DEBUG=1
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# Cursor: cage/wlroots draws a sprite in the gap between compositor start
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# and first kiosk frame. Collapse to 1px transparent + force software
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# fallback so XCURSOR_SIZE actually applies (HW cursors ignore size on
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# some GPUs, leaving a default white-arrow visible in the corner).
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Environment=XCURSOR_SIZE=1
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Environment=WLR_NO_HARDWARE_CURSORS=1
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# Let the unprivileged kiosk process control the Pi fan PWM sysfs files.
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ExecStartPre=+/bin/sh -c 'for d in /sys/class/hwmon/hwmon*; do [ -e "$d/pwm1" ] || continue; chgrp bfkiosk "$d/pwm1" "$d/pwm1_enable" 2>/dev/null || true; chmod g+w "$d/pwm1" "$d/pwm1_enable" 2>/dev/null || true; done'
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ExecStartPre=+/usr/local/sbin/betterframe-firmware-rollback.sh
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ExecStart=/usr/bin/cage -s -- /opt/betterframe/kiosk/betterframe-kiosk
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Restart=always
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RestartSec=2
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# WebKitGTK uses bubblewrap for its web-content sandbox. bwrap aborts with
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# "Unexpected capabilities but not setuid" when launched from a process that
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# still carries CAP_* bits. Strip caps + lock NoNewPrivileges so WebKit's
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# sandbox can initialise cleanly. Without this WebKit cells crash on load.
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CapabilityBoundingSet=
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AmbientCapabilities=
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NoNewPrivileges=yes
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# Fallback if the above isn't enough on a given distro (disables WebKit sandbox):
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#Environment=WEBKIT_DISABLE_SANDBOX_THIS_IS_DANGEROUS=1
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[Install]
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WantedBy=multi-user.target
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