add rofi + xrandr display scripts

bin/display-config

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+../display-config/display-config.sh

bin/display-restore

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+../display-restore/display-restore.sh

display-config/README.md

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+# display-config
+
+## About
+-- about section here --
+
+## Requirements
+-- any requirements --

display-config/display-config.sh

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+#!/bin/sh
+
+if [ "$(command -v rofi)" ]; then
+    CMD='rofi -dmenu -i';
+elif [ "$(command -v dmenu)" ]; then
+    CMD='dmenu';
+else
+    echo 'Could not find either dmenu or rofi, exiting'
+    exit 1;
+fi
+
+# $1 - monitor name
+#
+# return "WIDTH1xHEIGTH1\nWIDTH2xHEIGTH2\n..."
+get_monitor_sizes() {
+	xrandr | awk -v monitor="$1" \
+		'$1 == monitor { display=1; next } /^[A-Z]/ { display=0 } display { print $1 }'
+}
+
+# $1 - monitor name
+#
+# return xrandr "--mode WIDTHxHEIGTH" or "--preferred"
+monitor_config() {
+	sizes="$(get_monitor_sizes "$1")"
+	if [ "$1" = "eDP-1" ]; then
+		DISPLAY_CONFIGS="Preferred\n$sizes"
+	else
+		DISPLAY_CONFIGS="$sizes"
+	fi
+
+	CONFIG="$(echo "$DISPLAY_CONFIGS" | $CMD -p "Monitor $1 config" | xargs)"
+
+	case "$CONFIG" in
+		Preferred)
+			echo "--preferred"
+			return
+			;;
+		"")
+			exit 1
+			;;
+		*)
+			echo "--mode $CONFIG"
+			return
+			;;
+	esac
+}
+
+# return "eDP-1\nHDMI-1\n..."
+get_monitors() {
+	xrandr | awk '$2 == "connected" {print $1}'
+}
+
+monitors="$(get_monitors)"
+n_monitors="$(echo "$monitors" | wc -l)"
+
+if [ "$n_monitors" -eq "1" ]; then
+	config="$(monitor_config "$monitors")" || exit 1
+	# shellcheck disable=SC2086
+	xrandr --output "$monitors" $config
+elif [ "$n_monitors" -eq "2" ]; then
+	DISPLAY_ARRANGEMENTS="Join\nMirror\nOnly"
+	N_ARRANGEMENTS="$(echo $DISPLAY_ARRANGEMENTS | wc -l)"
+	ARRANGEMENT="$(echo "$DISPLAY_ARRANGEMENTS" | $CMD -l "$N_ARRANGEMENTS" -p "Display arrangement" | xargs)"
+
+	case "$ARRANGEMENT" in
+		Join)
+			args=""
+
+			prev_monitor=""
+			for monitor in $(get_monitors); do
+				position=""
+				if [ "$prev_monitor" != "" ]; then
+					POSITIONS="right-of\nleft-of\nabove\nbelow"
+					N_POSITIONS=4
+					position_flag="$(echo "$POSITIONS" | $CMD -l "$N_POSITIONS" -p "Select position" | xargs)"
+					if [ "$position_flag" = "" ]; then exit 1; fi
+
+					position="--$position_flag $prev_monitor"
+				fi
+				config="$(monitor_config "$monitor")" || exit 1
+				args="$args --output $monitor $config $position"
+				prev_monitor="$monitor"
+			done
+			# shellcheck disable=SC2086
+			xrandr $args
+			;;
+		Mirror)
+			args=""
+
+			prev_monitor=""
+			for monitor in $(get_monitors); do
+				config="$(monitor_config "$monitor")" || exit 1
+				args="$args --output $monitor $config"
+				if [ "$prev_monitor" != "" ]; then
+					args="$args --same-as $prev_monitor"
+				fi
+				prev_monitor="$monitor"
+			done
+			# shellcheck disable=SC2086
+			xrandr $args
+			;;
+		Only)
+			monitors="$(get_monitors)"
+			n_monitors="$(echo "$monitors" | wc -l)"
+			monitor="$(echo "$monitors" | $CMD -l "$n_monitors" -p "Select monitor" | xargs)"
+			if [ "$monitor" = "" ]; then exit 1; fi
+			config="$(monitor_config "$monitor")" || exit 1
+
+			args=""
+			for monitor_i in $monitors; do
+				if [ "$monitor_i" = "$monitor" ]; then
+					args="$args --output $monitor_i $config"
+				else
+					args="$args --output $monitor_i --off"
+				fi
+			done
+			# I do want word splitting for argument config
+			# shellcheck disable=SC2086
+			xrandr $args
+			;;
+		*)
+			exit 0
+			;;
+	esac
+else
+	arandr
+fi
+

display-restore/README.md

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+# display-restore
+
+## About
+-- about section here --
+
+## Requirements
+-- any requirements --

display-restore/display-restore.sh

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+#!/bin/sh
+
+restore() {
+	n_active_displays="$(xrandr | awk '/ connected/ && /[0-9]+x[0-9]+\+[0-9]+\+[0-9]+/ { print $1 }' | wc -l)"
+	
+	if [ "$n_active_displays" -ge "1" ]; then
+		return 0
+	fi
+	
+	monitor="$(xrandr | awk '$2 == "connected" {print $1; exit}')"
+	
+	xrandr --output "$monitor" --preferred
+}
+
+if [ "$1" = "loop" ]; then
+	while true
+	do
+		restore
+		sleep 5
+	done
+else
+	restore
+fi