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Autorotate only in tablet mode

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Added support for actions when entering/existing tablet mode for Home
Manager and fixed for NixOS
This commit is contained in:
Aleksandr Lebedev 2025-08-17 22:09:05 +02:00
parent 466cdb10b3
commit 1e9fc1d9d5
3 changed files with 112 additions and 59 deletions
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96
modules/nixos/hardware/tablet/default.nix
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@ -25,64 +25,46 @@ in {
config = mkIf cfg.enable {
# 1. System service for watching
systemd.services =
{
tablet-mode-watcher = {
description = "Watch for tablet mode changes";
serviceConfig = {
ExecStart = "${pkgs.writeShellScript "tablet-mode-eventd" ''
in_tablet_mode=$(${pkgs.coreutils}/bin/cat "${cfg.path}" 2>/dev/null || $(echo 0 > "${cfg.path}" && echo 0))
systemd.services = {
tablet-mode-watcher = {
description = "Watch for tablet mode changes";
serviceConfig = {
ExecStart = "${pkgs.writeShellScript "tablet-mode-eventd" ''
if [ -f "${cfg.path}" ]; then
in_tablet_mode=$(${pkgs.coreutils}/bin/cat "${cfg.path}")
else
echo 0 > "${cfg.path}"
in_tablet_mode=0
fi
stdbuf -oL -eL ${lib.getExe pkgs.libinput} debug-events --device "${cfg.inputDevice}" | while read -r line; do
if [[ "$line" =~ switch\ tablet-mode\ state\ ([01]) ]]; then
d="''${BASH_REMATCH[1]}"
if [ "$d" -ne "$in_tablet_mode" ]; then
in_tablet_mode=$d
if [ "$d" -eq 1 ]; then
systemctl start tablet-on.target
echo "Tablet mode ON"
echo 1 > "${cfg.path}"
else
systemctl start tablet-off.target
echo "Tablet mode OFF"
echo 0 > "${cfg.path}"
fi
fi
fi
done
''}";
Restart = "always";
};
wantedBy = ["graphical.target"];
stdbuf -oL -eL ${lib.getExe pkgs.libinput} debug-events --device "${cfg.inputDevice}" | while read -r line; do
if [[ "$line" =~ switch\ tablet-mode\ state\ ([01]) ]]; then
d="''${BASH_REMATCH[1]}"
if [ "$d" -ne "$in_tablet_mode" ]; then
in_tablet_mode=$d
if [ "$d" -eq 1 ]; then
${concatStringsSep "\n" (map (cmd: ''
systemd-run --unit=tablet-on-${cmd.name} --collect sh -c '${cmd.command}'
'')
cfg.onTabletModeEnable)}
echo "Tablet mode ON"
echo 1 > "${cfg.path}"
else
${concatStringsSep "\n" (map (cmd: ''
systemd-run --unit=tablet-off-${cmd.name} --collect sh -c '${cmd.command}'
'')
cfg.onTabletModeDisable)}
echo "Tablet mode OFF"
echo 0 > "${cfg.path}"
fi
fi
fi
done
''}";
Restart = "always";
};
}
// (lib.listToAttrs (map (cmd: {
name = "tablet-action-on-${cmd.name}";
value = {
Unit.PartOf = ["tablet-on.target"];
Service = {
Type = "oneshot";
ExecStart = "sh -c ${cmd.command}";
};
Install.WantedBy = ["tablet-on.target"];
};
})
cfg.onTabletModeEnable))
// (lib.listToAttrs (map (cmd: {
name = "tablet-action-off-${cmd.name}";
value = {
Unit.PartOf = ["tablet-off.target"];
Service = {
Type = "oneshot";
ExecStart = "sh -c ${cmd.command}";
};
Install.WantedBy = ["tablet-off.target"];
};
})
cfg.onTabletModeDisable));
# 2. System targets
systemd.targets.tablet-on = {};
systemd.targets.tablet-off = {};
wantedBy = ["graphical.target"];
};
};
};
}