Use substituteAll for rofi power menu

modules/i3/power.sh

@@ -0,0 +1,67 @@
+POWER_OFF=" Power Off"
+REBOOT=" Reboot"
+SUSPEND=" Suspend"
+LOG_OUT=" Log out"
+
+chosen=`printf "%s\n%s\n%s\n%s" "$POWER_OFF" "$REBOOT" "$SUSPEND" "$LOG_OUT" | rofi -dmenu -i -p ""`
+
+case "$chosen" in
+	$POWER_OFF) action="power off" ;;
+	$REBOOT) action="reboot" ;;
+	$SUSPEND) action="suspend" ;;
+	$LOG_OUT) action="log out" ;;
+	*) exit 1 ;;
+esac
+
+confirm=`printf "Yes, %s" "$action"`
+sure=`printf "%s\nNo, cancel" "$confirm" | rofi -dmenu -i -p "Are you sure"`
+
+if [[ $sure != $confirm ]]; then
+	exit 1
+fi
+
+if [[ $chosen != $SUSPEND ]]; then
+	# based on https://github.com/ardadem/graceful-shutdown
+
+	TIMEOUT=10
+
+	APPLIST_TO_TERMINATE=(Discord firefox)
+
+	close_windows () {
+		wmctrl -l | awk '{print $1}' | while read -r wId
+		do
+			wmctrl -i -c $wId
+		done
+	}
+
+	window_timeout_countdown () {
+		for i in $(seq 1 $TIMEOUT);
+		do
+			if [[ -z $(wmctrl -l) ]]; then
+				return 0
+			fi
+			sleep 1
+		done
+		exit 1
+	}
+
+	terminate_processes () {
+		pidof ${APPLIST_TO_TERMINATE[@]} | tr ' ' '\n' | while read -r pId
+		do
+			kill -15 $pId
+			tail --pid=$pId -f /dev/null # wait until terminate it
+		done
+	}
+
+	close_windows
+	window_timeout_countdown
+	terminate_processes
+fi
+
+case "$chosen" in
+	$POWER_OFF) poweroff ;;
+	$REBOOT) reboot ;;
+	$SUSPEND) systemctl suspend ;;
+	$LOG_OUT) i3-msg exit ;;
+	*) exit 1 ;;
+esac