custom-shell-scripts/cursor_pos at main · jmortiger/custom-shell-scripts · GitHub

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#!/usr/bin/env bash
# shellcheck shell=bash

# cursor_pos - Find cursor position

readonly C_MODE_ROW='ROWS'
readonly C_MODE_COL='COLS'
readonly C_MODE_BOTH='BOTH'
readonly C_MODE_BOTH_DELIM=' '
readonly C_TIMEOUT_REGEX='^[[:digit:]]*\.?[[:digit:]]+$'
readonly ORIG_IFS=$IFS

show_help() {
	echo ""
}

#########################region GET OPTIONS#########################
p_mode=$C_MODE_BOTH
p_delim=$C_MODE_BOTH_DELIM
# p_timeout=''
# while [ -n "$1" ] && [ "$1" != '--' ]; do
while [ -n "$1" ]; do
    # # If it's an option
    # if [[ $1 =~ ^\- ]]; then
    #     useLabels='false'
    #     if [[ ${#VALUES[@]} -gt 0 ]]; then
    #         useValues='false'
    #     fi
    # fi
    case "$1" in
        # #region Flags
		# -r | --rows );;
		#     decode_value_before_return='true'
		#     ;;
		# #endregion Flags
        # #region Enum flags
		-r | --rows )
		    p_mode=$C_MODE_ROW
		    ;;
		-c | --cols | --columns )
		    p_mode=$C_MODE_COL
		    ;;
		# #endregion Enum flags
        # #region Values
		-d | --delim | --delimiter )
		    shift
		    p_delim="$1"
		    ;;
		-t | --timeout )
		    shift
			if [[ "$1" =~ $C_TIMEOUT_REGEX ]]; then
		    	declare -g p_timeout="$1"
			else
				echo "Timeout must follow: '$C_TIMEOUT_REGEX'; value was '$1'"
            	show_help
            	exit 1
			fi
		    ;;
		# #endregion Values
        -h | --help )
            show_help
            exit
            ;;
        * )
            show_help
            exit 1
            ;;
    esac
    shift
done
declare -r -g p_timeout p_delim p_mode
#########################endregion GET OPTIONS#########################

row() {
    local COL
    local ROW
	if [[ -n "${p_timeout+x}" ]]; then
    	IFS=';' read -t "$p_timeout" -sdR -p $'\E[6n' ROW COL
	else
    	IFS=';' read -sdR -p $'\E[6n' ROW COL
	fi
    echo "${ROW#*[}"
    # echo "${ROW#*}"
	IFS=$ORIG_IFS
	return
}
col() {
    local COL
    local ROW
	if [[ -n "${p_timeout+x}" ]]; then
    	IFS=';' read -t "$p_timeout" -sdR -p $'\E[6n' ROW COL
	else
    	IFS=';' read -sdR -p $'\E[6n' ROW COL
	fi
    echo "${COL}"
	IFS=$ORIG_IFS
	return
}
case "$p_mode" in
	"$C_MODE_ROW") row ;;
	"$C_MODE_COL") col ;;
	*) echo "$(row)$p_delim$(col)" ;;
esac
# tput cuf 8
# echo $(col)
exit $?