mirror of https://gitlab.com/dabruh/dotfiles.git
Create Xserver display configuration script
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dabruh
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#!/bin/bash
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# This script is used to apply monitor profiles based on the connected monitors and USB devices.
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set -euo pipefail
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# Get the number of monitors connected to the system
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get_monitor_count() {
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xrandr --listmonitors | head -n1 | cut -d' ' -f2
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}
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# Get the list of connected and disconnected monitors.
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# Includes information about the primary monitor
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# E.g:
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# eDP-1,connected,primary
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# HDMI-1,disconnected
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# DP-1,disconnected
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_get_monitors() {
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xrandr | grep -Eo '^.* ((dis|)connected)( primary|) ' | sed 's/ /,/g' | sed 's/,$//g'
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}
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# Function that gets all monitors and takes an optional amount of arguments to filter the list.
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# Filters are applied as an OR operation.
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# E.g:
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# get_monitors connected primary
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# get_monitors connected primary eDP-1
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get_monitors() {
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local monitors
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monitors=$(_get_monitors)
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# If no filters are set, return all monitors
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if [ "$#" -eq 0 ]; then
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echo "$monitors"
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return 0
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fi
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for monitor in $monitors; do
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for filter in "$@"; do
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for part in ${monitor//,/ }; do
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if [ "$part" = "$filter" ]; then
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echo "$monitor"
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continue 3 # Continue to the next monitor
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fi
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done
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done
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done
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}
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# monitor_exist checks if the specified monitor is connected to the system
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# $1: The monitor name to search for
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monitor_exist() {
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local monitor=${1:?Monitor not set}
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local connected_monitors
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connected_monitors=$(get_monitors connected)
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for connected_monitor in $connected_monitors; do
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if [ "$(cut -d',' -f1 <<<"$connected_monitor")" = "$monitor" ]; then
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return 0
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fi
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done
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return 1
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}
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# monitors_exist checks if the specified monitors are connected to the system
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# $1..$n: The monitor names to search for
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monitors_exist() {
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local monitor
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for monitor in "$@"; do
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if ! monitor_exist "$monitor"; then
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return 1
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fi
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done
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return 0
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}
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# Get the list of USB devices using lsusb, outputs for example "06cb:00f0 Synaptics, Inc."
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get_usb_devices() {
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lsusb | grep -Eo ' ID .*' | cut -d' ' -f3-
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}
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# Get the list of USB device names using lsusb, outputs for example "Synaptics, Inc."
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get_usb_device_names() {
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get_usb_devices | cut -d' ' -f2-
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}
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# Get the list of USB devices that match the name
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get_usb_devices_by_name() {
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local name=${1:?Name not set}
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get_usb_device_names | while read -r device; do
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if [ "$device" = "$name" ]; then
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echo "$device"
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fi
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done
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}
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# Get the list of USB devices that match the pattern
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get_usb_devices_by_pattern() {
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local pattern=${1:?Pattern not set}
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get_usb_device_names | grep -E "$pattern"
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}
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# Returns the list of USB devices that match the criteria
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# $1: Required, either "all" or "any"
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# $2: Mode, either "exact" or "pattern"
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# $3..$n: The name or pattern to search for
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usb_devices_exist() {
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local required=${1:?Required not set}
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local mode=${2:?Mode not set}
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shift 2
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local devices matches=0
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# Check lenght of arguments
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if [ "$#" -eq 0 ]; then
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echo "No patterns set" 1>&2
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return 1
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fi
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# Check if required and mode args are valid
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if ! [[ "$required" =~ ^(all|any)$ ]]; then
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echo "Invalid 'required' argument: $required" 1>&2
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return 1
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elif ! [[ "$mode" =~ ^(exact|pattern)$ ]]; then
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echo "Invalid 'mode' argument: $mode" 1>&2
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return 1
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fi
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# Process each pattern
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for pattern in "$@"; do
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if [ -z "$pattern" ]; then
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echo "Got empty pattern" 1>&2
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return 1
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fi
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if [ "$mode" = "exact" ]; then
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devices="$(get_usb_devices_by_name "$pattern")"
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elif [ "$mode" = "pattern" ]; then
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devices="$(get_usb_devices_by_pattern "$pattern")"
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fi
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# Check if at least one device was found
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if [ -n "$devices" ]; then
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matches=$((matches + 1))
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echo "$devices"
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fi
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done
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# Check if all patterns had a match
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if [ "$required" = "all" ]; then
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if [ "$matches" -eq "$#" ]; then
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return 0
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else
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echo "Amount of devices does not match the amount of patterns" 1>&2
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return 1
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fi
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# Check if at least one pattern had a match
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elif [ "$required" = "any" ]; then
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if [ "$matches" -ge "0" ]; then
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return 0
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else
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echo "Amount of devices does not match the amount of patterns" 1>&2
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return 1
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fi
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fi
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}
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# Get the list of empty i3 workspaces
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get_empty_i3_workspaces() {
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i3-msg -t get_tree | jq -r '
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recurse(.nodes[]?) | # Recursively descend into "nodes" arrays
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select(.type == "workspace") | # Select elements where "type" is "workspace"
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select(.name | test("^[^_].*")) | # Select elements where "name" does not start with "_"
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select(.nodes | length == 0) | # Further select those where "nodes" array is empty
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.name # Output the "name" of these workspaces
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'
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}
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i3_workspace_is_empty() {
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local workspace_name=${1:?Workspace name not set}
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local empty_workspace
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empty_workspace=$(get_empty_i3_workspaces)
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for workspace in $empty_workspace; do
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if [ "$workspace" = "$workspace_name" ]; then
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return 0
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fi
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done
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return 1
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}
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# Get a comma separated list of i3 workspace names and the output they are on
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get_i3_workspaces() {
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i3-msg -t get_workspaces | jq -r '.[] | .name + "," + .output'
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}
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get_i3_workspace_prop() {
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local workspace_name=${1:?Workspace name not set}
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local prop=${2:?Property not set}
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i3-msg -t get_workspaces | jq -r ".[] | select(.name == \"$workspace_name\") | .$prop"
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}
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i3_workspace_exists() {
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local workspace_name=${1:?Workspace name not set}
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local workspaces name
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if [[ -n "$(get_i3_workspace_prop "$workspace_name" name)" ]]; then
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return 0
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fi
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return 1
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}
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# This function selects a workspace by name and moves it to the desired monitor.
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# If the workspace name is an integer, it will allow incrementing the workspace name by the given number
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move_i3_workspace() {
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local workspace_name=${1:?Workspace name not set}
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local monitor_name=${2:?Monitor name not set}
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local increment=${3:-0}
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local new_workspace_name="$workspace_name"
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if ! i3_workspace_exists "$workspace_name"; then
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echo "Workspace $workspace_name not found" 1>&2
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return 1
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elif ! monitor_exist "$monitor_name"; then
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echo "Monitor $monitor_name not found" 1>&2
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return 1
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fi
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# Ensure the new output is not the same as the current output
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if [[ "$(get_i3_workspace_prop "$workspace_name" output)" == "$monitor_name" ]]; then
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echo "Workspace $workspace_name is already on monitor $monitor_name" 1>&2
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return 1
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fi
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# Increment the workspace name if it is an integer
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if [[ "$workspace_name" =~ ^[0-9]+$ ]]; then
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new_workspace_name=$((workspace_name + increment))
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elif [ "$increment" -ne 0 ]; then
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echo "Workspace name is not an integer. Unable to increment/decrement." 1>&2
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return 1
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fi
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# Check if the new workspace name already exists and is not the same as the current workspace name
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if i3_workspace_exists "$new_workspace_name"; then
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if [[ "$new_workspace_name" != "$workspace_name" ]]; then
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echo "Workspace $new_workspace_name already exists" 1>&2
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return 1
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fi
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fi
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echo "Moving workspace $workspace_name to monitor $monitor_name as $new_workspace_name"
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i3-msg "workspace $workspace_name" 1>/dev/null # Select the workspace
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i3-msg "rename workspace $workspace_name to $new_workspace_name" 1>/dev/null
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i3-msg "move workspace to output $monitor_name" 1>/dev/null
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}
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# This function moves all workspaces that are not on the given monitor to the given monitor
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move_nonexistent_i3_workspaces() {
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local monitor_name=${1:?Monitor name not set}
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local increment=${2:-0}
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local workspaces
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workspaces=$(get_i3_workspaces)
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echo "Moving workspaces to monitor $monitor_name"
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for workspace in $workspaces; do
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local workspace_name
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local workspace_output
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workspace_name=$(echo "$workspace" | cut -d',' -f1)
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workspace_output=$(echo "$workspace" | cut -d',' -f2)
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if i3_workspace_is_empty "$workspace_name"; then
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echo "Skipping empty workspace $workspace_name"
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continue
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fi
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if ! monitor_exist "$workspace_output"; then
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move_i3_workspace "$workspace_name" "$monitor_name" "$increment"
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fi
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done
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}
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main() {
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primary_monitor=$(get_monitors primary | cut -d',' -f1)
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monitor_count=$(get_monitors connected | wc -l)
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echo "Monitors connected: $monitor_count"
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if [ "$monitor_count" -eq 1 ]; then
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echo "Applying laptop-only profile"
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xrandr --auto
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elif usb_devices_exist all exact "HP, Inc HP USB-C Universal Dock" >/dev/null && monitors_exist eDP-1 DVI-I-2-2 DVI-I-3-3; then
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echo "Applying work profile"
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xrandr \
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--output eDP-1 --primary --mode 1920x1200 --pos 1200x1474 --rotate normal \
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--output DVI-I-2-2 --mode 1920x1200 --pos 0x0 --rotate left \
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--output DVI-I-3-3 --mode 1920x1200 --pos 1200x274 --rotate normal
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else
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echo "No profile found"
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return 0
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fi
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move_nonexistent_i3_workspaces "$primary_monitor" 10
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}
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# Run if invoked directly
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if [ "$0" = "${BASH_SOURCE[0]}" ]; then
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main
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fi
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