dotfiles/.local/bin/xmonconf

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#!/bin/bash
# shellcheck disable=SC1090
# This script is used to apply monitor profiles based on the connected monitors and USB devices.
# Source the utility functions
source ~/.local/share/dabruh/libs/bash/x.sh
source ~/.local/share/dabruh/libs/bash/i3.sh
source ~/.local/share/dabruh/libs/bash/usb.sh
# Function to check if USB devices exist
check_usb_devices() {
local config_index=$1
local config_file=$2
local required_usb_device_list_count
required_usb_device_list_count=$(yq e ".displayConfig[$config_index].requiredUsbDevices | length" "$config_file")
for i in $(seq 0 $((required_usb_device_list_count - 1))); do
local required_usb_devices
required_usb_devices=$(yq e -o=j -I=0 ".displayConfig[$config_index].requiredUsbDevices[$i]" "$config_file")
echo "Required USB devices: $required_usb_devices"
local required_usb_device_group_list required_usb_device_group_list_count
required_usb_device_group_list=$(echo "$required_usb_devices" | yq e -o=j -I=0 '.group')
required_usb_device_group_list_count=$(echo "$required_usb_device_group_list" | yq e -o=j -I=0 '. | length')
local require match
require=$(echo "$required_usb_devices" | jq -r '.require')
match=$(echo "$required_usb_devices" | jq -r '.match')
local usb_devices=()
for j in $(seq 0 $((required_usb_device_group_list_count - 1))); do
local item
item=$(echo "$required_usb_device_group_list" | jq -r ".[$j]")
usb_devices+=("$item")
done
# Call the function with the array of USB devices
if usb_devices_exist "$require" "$match" "${usb_devices[@]}" >/dev/null 2>&1; then
return 0
fi
done
return 1
}
# Function to check if monitors exist and return the group index for the first group that exists
check_monitors() {
local config_index=$1
local config_file=$2
local required_output_list_count
required_output_list_count=$(yq e ".displayConfig[$config_index].requiredOutputs | length" "$config_file")
for i in $(seq 0 $((required_output_list_count - 1))); do
local required_outputs
required_outputs=$(yq e -o=j -I=0 ".displayConfig[$config_index].requiredOutputs[$i]" "$config_file")
local required_output_group_list required_output_group_list_count
required_output_group_list=$(echo "$required_outputs" | yq e -o=j -I=0 '.group')
required_output_group_list_count=$(echo "$required_output_group_list" | yq e -o=j -I=0 '. | length')
local monitors=()
for j in $(seq 0 $((required_output_group_list_count - 1))); do
local item
item=$(echo "$required_output_group_list" | jq -r ".[$j]")
monitors+=("$item")
done
# Call the function with the array of monitors
if monitors_exist "${monitors[@]}" >/dev/null; then
echo "$i" # Return the group index
return 0
fi
done
return 1
}
# Function to apply the display settings
apply_display_settings() {
local config_index=$1
local group_index=$2
local config_file=$3
local outputs
outputs=$(yq e -o=j -I=0 ".displayConfig[$config_index].outputs" "$config_file")
output_group=$(yq e -o=j -I=0 ".displayConfig[$config_index].requiredOutputs[$group_index].group" "$config_file")
local output_list_count
output_list_count=$(echo "$outputs" | yq e -o=j -I=0 '. | length')
local args
args=()
for o in $(seq 0 $((output_list_count - 1))); do
local output_name
output_name=$(echo "$output_group" | jq -r ".[$o]")
local mode rotate pos primary
mode=$(echo "$outputs" | jq -r ".[$o].mode")
rotate=$(echo "$outputs" | jq -r ".[$o].rotate")
pos=$(echo "$outputs" | jq -r ".[$o].pos")
primary=$(echo "$outputs" | jq -r ".[$o].primary // false")
echo "Setting $output_name to $mode, $rotate, $pos, primary=$primary"
args+=("--output" "$output_name" "--mode" "$mode" "--rotate" "$rotate" "--pos" "$pos")
[ "$primary" = "true" ] && args+=("--primary")
done
echo "Running xrandr ${args[*]}"
xrandr "${args[@]}"
}
# Function to parse and apply display configuration
apply_display_config() {
local config_index=$1
local config_file=$2
check_usb_devices "$config_index" "$config_file" || return 1
group_index=$(check_monitors "$config_index" "$config_file") || return 2
apply_display_settings "$config_index" "$group_index" "$config_file"
}
main() {
local config_file=$1
local primary_monitor monitor_count profile_found=false
primary_monitor=$(get_monitors primary | cut -d',' -f1)
monitor_count=$(get_monitors connected | wc -l)
echo "Monitors connected: $monitor_count"
if [ "$monitor_count" -eq 1 ]; then
echo "Applying laptop-only profile"
xrandr --auto
profile_found=true
else
local config_count
config_count=$(yq e '.displayConfig | length' "$config_file")
for i in $(seq 0 $((config_count - 1))); do
name=$(yq e ".displayConfig[$i].name" "$config_file")
echo "Trying profile #$i '$name'"
if apply_display_config "$i" "$config_file"; then
profile_found=true
break
else
echo "Profile #$i '$name' failed with exit code $?" >&2
fi
echo
done
fi
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if ! "$profile_found"; then
echo "No profile found"
return 1
fi
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disable_disconnected_monitors
move_nonexistent_i3_workspaces "$primary_monitor" 10
i3-msg restart >/dev/null
}
if [ "$0" = "${BASH_SOURCE[0]}" ]; then
set -euo pipefail
config_file="${1:-$HOME/.config/dabruh/xmonconf.yaml}"
if ! [ -f "$config_file" ]; then
echo "Config file not found: $config_file"
exit 1
fi
main "$config_file"
fi