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#!/usr/bin/env bash
#
# Use rofi to switch between different screen layouts.
#
# Note: this currently relies on associative array support in the shell.
#
# Inspired from i3pystatus wiki:
# https://github.com/enkore/i3pystatus/wiki/Shutdown-Menu
#
# Copyright 2022 Jinwei Zhao <i at jinwei dot me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# modified to work with latest rofi update by joekamprad <[email protected]>
#######################################################################
# BEGIN CONFIG #
#######################################################################
# Colors: FG (foreground), BG (background), HL (highlighted)
FG_COLOR="#bbbbbb"
BG_COLOR="#111111"
HLFG_COLOR="#111111"
HLBG_COLOR="#bbbbbb"
BORDER_COLOR="#222222"
# Options not related to colors (most rofi options do not work anymore)
ROFI_OPTIONS=(-theme ~/.config/rofi/monitor.rasi)
#######################################################################
# END CONFIG #
#######################################################################
# Preferred launcher if both are available
preferred_launcher="rofi"
# Check whether the user-defined launcher is valid
launcher_list=(rofi)
function check_launcher() {
if [[ ! "${launcher_list[@]}" =~ (^|[[:space:]])"$1"($|[[:space:]]) ]]; then
echo "Supported launchers: ${launcher_list[*]}"
exit 1
else
# Get array with unique elements and preferred launcher first
# Note: uniq expects a sorted list, so we cannot use it
i=1
launcher_list=($(for l in "$1" "${launcher_list[@]}"; do printf "%i %s\n" "$i" "$l"; let i+=1; done \
| sort -uk2 | sort -nk1 | cut -d' ' -f2- | tr '\n' ' '))
fi
}
# Parse CLI arguments
while getopts "hcp:" option; do
case "${option}" in
p) preferred_launcher="${OPTARG}"
check_launcher "${preferred_launcher}"
;;
*) exit 1
;;
esac
done
# Check whether a command exists
function command_exists() {
command -v "$1" &> /dev/null 2>&1
}
# menu defined as an associative array
typeset -A menu
menu=(
[Home]="xrandr --output eDP-1 --primary --mode 2256x1504 --pos 0x1080 --rotate normal --output DP-1 --off --output DP-2 --off --output DP-3 --mode 1920x1080 --pos 0x0 --rotate normal --output DP-4 --off && nitrogen --restore"
[Lab]="xrandr --output eDP-1 --primary --mode 2256x1504 --pos 0x1200 --rotate normal --output DP-1 --off --output DP-2 --off --output DP-3 --off --output DP-4 --mode 1920x1200 --pos 0x0 --rotate normal && nitrogen --restore"
[Builtin]="xrandr --output eDP-1 --primary --mode 2256x1504 --pos 0x0 --rotate normal --output DP-1 --off --output DP-2 --off --output DP-3 --off --output DP-4 --off && nitrogen --restore"
)
menu_nrows=${#menu[@]}
launcher_exe=""
launcher_options=""
rofi_colors=""
function prepare_launcher() {
if [[ "$1" == "rofi" ]]; then
rofi_colors=(-bc "${BORDER_COLOR}" -bg "${BG_COLOR}" -fg "${FG_COLOR}" \
-hlfg "${HLFG_COLOR}" -hlbg "${HLBG_COLOR}")
launcher_exe="rofi"
launcher_options=(-dmenu -i -lines "${menu_nrows}" -p "${ROFI_TEXT}" \
"${rofi_colors}" "${ROFI_OPTIONS[@]}")
elif [[ "$1" == "zenity" ]]; then
launcher_exe="zenity"
launcher_options=(--list --title="${ZENITY_TITLE}" --text="${ZENITY_TEXT}" \
"${ZENITY_OPTIONS[@]}")
fi
}
for l in "${launcher_list[@]}"; do
if command_exists "${l}" ; then
prepare_launcher "${l}"
break
fi
done
# No launcher available
if [[ -z "${launcher_exe}" ]]; then
exit 1
fi
launcher=(${launcher_exe} "${launcher_options[@]}")
selection="$(printf '%s\n' "${!menu[@]}" | sort | "${launcher[@]}")"
if [[ $? -eq 0 && ! -z ${selection} ]]; then
i3-msg -q "exec --no-startup-id ${menu[${selection}]}"
fi
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