143 lines
4.2 KiB
Nix
143 lines
4.2 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
let
|
|
cfg = config.niri-auto-rotation;
|
|
|
|
rotationScript = pkgs.writeScriptBin "niri-auto-rotate" ''
|
|
#!${pkgs.bash}/bin/bash
|
|
NIRI_CONFIG="$HOME/nixos/frame12/linked-dotfiles/niri/config.kdl"
|
|
MONITOR="eDP-1"
|
|
|
|
# Find the accelerometer device (cros-ec-accel)
|
|
ACCEL_DEVICE=""
|
|
for device in /sys/bus/iio/devices/iio:device*; do
|
|
if [ -f "$device/name" ] && ${pkgs.gnugrep}/bin/grep -q "cros-ec-accel" "$device/name"; then
|
|
ACCEL_DEVICE="$device"
|
|
break
|
|
fi
|
|
done
|
|
|
|
if [ -z "$ACCEL_DEVICE" ]; then
|
|
echo "No accelerometer found!"
|
|
exit 1
|
|
fi
|
|
|
|
echo "Using accelerometer: $ACCEL_DEVICE"
|
|
|
|
LAST_ORIENTATION=""
|
|
|
|
while true; do
|
|
# Read accelerometer values
|
|
if [ -f "$ACCEL_DEVICE/in_accel_x_raw" ]; then
|
|
X=$(${pkgs.coreutils}/bin/cat "$ACCEL_DEVICE/in_accel_x_raw")
|
|
Y=$(${pkgs.coreutils}/bin/cat "$ACCEL_DEVICE/in_accel_y_raw")
|
|
Z=$(${pkgs.coreutils}/bin/cat "$ACCEL_DEVICE/in_accel_z_raw")
|
|
|
|
# Determine orientation based on accelerometer values
|
|
# Assuming standard orientation when lid/base orientation
|
|
ABS_X=''${X#-}
|
|
ABS_Y=''${Y#-}
|
|
ABS_Z=''${Z#-}
|
|
|
|
ORIENTATION="normal"
|
|
|
|
# Simple orientation detection based on which axis has highest absolute value
|
|
if [ "$ABS_Z" -gt 16000 ]; then
|
|
# Device is flat
|
|
if [ "$Z" -lt 0 ]; then
|
|
ORIENTATION="normal"
|
|
else
|
|
ORIENTATION="bottom-up"
|
|
fi
|
|
elif [ "$ABS_Y" -gt "$ABS_X" ] && [ "$ABS_Y" -gt 9000 ]; then
|
|
# Y axis dominant
|
|
if [ "$Y" -gt 0 ]; then
|
|
ORIENTATION="normal"
|
|
else
|
|
ORIENTATION="bottom-up"
|
|
fi
|
|
elif [ "$ABS_X" -gt 9000 ]; then
|
|
# X axis dominant
|
|
if [ "$X" -gt 0 ]; then
|
|
ORIENTATION="right-up"
|
|
else
|
|
ORIENTATION="left-up"
|
|
fi
|
|
fi
|
|
|
|
# Only update if orientation changed
|
|
if [ "$ORIENTATION" != "$LAST_ORIENTATION" ]; then
|
|
echo "Orientation changed: $LAST_ORIENTATION -> $ORIENTATION (X=$X, Y=$Y, Z=$Z)"
|
|
LAST_ORIENTATION="$ORIENTATION"
|
|
|
|
case "$ORIENTATION" in
|
|
"normal")
|
|
${pkgs.gnused}/bin/sed -i 's/transform ".*"/transform "normal"/' "$NIRI_CONFIG"
|
|
;;
|
|
"left-up")
|
|
${pkgs.gnused}/bin/sed -i 's/transform ".*"/transform "90"/' "$NIRI_CONFIG"
|
|
;;
|
|
"right-up")
|
|
${pkgs.gnused}/bin/sed -i 's/transform ".*"/transform "270"/' "$NIRI_CONFIG"
|
|
;;
|
|
"bottom-up")
|
|
${pkgs.gnused}/bin/sed -i 's/transform ".*"/transform "180"/' "$NIRI_CONFIG"
|
|
;;
|
|
esac
|
|
fi
|
|
fi
|
|
|
|
${pkgs.coreutils}/bin/sleep 0.5
|
|
done
|
|
'';
|
|
|
|
in
|
|
{
|
|
options.niri-auto-rotation = {
|
|
enable = lib.mkEnableOption "Enable automatic screen rotation for Niri using accelerometer";
|
|
|
|
user = lib.mkOption {
|
|
type = lib.types.str;
|
|
description = "User to run the auto-rotation service for";
|
|
};
|
|
|
|
monitor = lib.mkOption {
|
|
type = lib.types.str;
|
|
default = "eDP-1";
|
|
description = "Monitor name to rotate";
|
|
};
|
|
};
|
|
|
|
config = lib.mkIf cfg.enable {
|
|
# Enable IIO sensor support
|
|
hardware.sensor.iio.enable = true;
|
|
|
|
# Add custom udev rule for Framework 12 accelerometer
|
|
services.udev.extraRules = ''
|
|
# Framework 12 accelerometer fix - ensure cros-ec-accel is recognized
|
|
SUBSYSTEM=="iio", KERNEL=="iio:device*", ATTR{name}=="cros-ec-accel", ENV{IIO_SENSOR_PROXY_TYPE}="accel"
|
|
'';
|
|
|
|
# Install required packages
|
|
environment.systemPackages = with pkgs; [
|
|
iio-sensor-proxy
|
|
rotationScript
|
|
];
|
|
|
|
# Create systemd user service for the rotation daemon
|
|
systemd.user.services.niri-auto-rotate = {
|
|
description = "Niri automatic screen rotation";
|
|
after = [ "graphical-session.target" ];
|
|
partOf = [ "graphical-session.target" ];
|
|
|
|
serviceConfig = {
|
|
ExecStart = "${rotationScript}/bin/niri-auto-rotate";
|
|
Restart = "on-failure";
|
|
RestartSec = 5;
|
|
};
|
|
|
|
wantedBy = [ "graphical-session.target" ];
|
|
};
|
|
};
|
|
}
|