More robust gammastep applet

waybar/waybar-gammastep.sh

@@ -1,18 +1,59 @@
 #!/bin/bash
 
-RUNNING=$(pgrep gammastep)
+PID=$(pgrep gammastep)
+RUNNING=`cat $HOME/.spool/gammastep.status`
 
-if [[ $1 == 'toggle' ]]; then
+ACTION=$1
-        echo "toggling"
+if [[ "$1" == '' ]]; then
-        if [ "$RUNNING" ]; then
+        ACTION='bar'
-	        kill -9 $RUNNING 2&>1 /dev/null
+fi
+echo "$ACTION" >&2
+
+if [[ $ACTION == 'bar' ]]; then
+        :
+elif [[ $ACTION == 'toggle' ]]; then
+        if [ "$PID" ]; then
+                kill -SIGUSR1 $PID
+        else
+                echo 'Gammastep is not running'
+        fi
+elif [[ $ACTION == 'start' ]]; then
+        if [ "$PID" ]; then
+                echo 'Gammastep is already running'
         else
                 $HOME/scripts/sway/gammastep.pl
         fi
-        RUNNING=$(pgrep gammastep)
+elif [[ $ACTION == 'stop' ]]; then
+        if [ "$PID" ]; then
+                kill $PID
+        else
+                echo 'Gammastep is not running'
+        fi
+elif [[ $ACTION == 'enable' ]]; then
+        if [ $PID ]; then
+                if [ $RUNNING ]; then
+                        echo 'Already enabled'
+                else
+                        kill -SIGUSR1 $PID
+                fi
+        else
+                echo 'Gammastep is not running'
+        fi
+elif [[ $ACTION == 'disable' ]]; then
+        if [ $PID ]; then
+                if [ $RUNNING ]; then
+                        kill -SIGUSR1 $PID
+                else
+                        echo 'Already disabled'
+                fi
+        else
+                echo 'Gammastep in not running'
+        fi
+else
+        echo "Invalid argument '$ACTION'. Use 'bar', 'toggle', 'start', 'stop', 'enable', 'disable'."
 fi
 
-
+RUNNING=`cat $HOME/.spool/gammastep.status`
 if [ "$RUNNING" ]; then
         echo '{"text":"ɣ","icon":"ɣ","tooltip":"Disable Gammastep","class":"enabled"}'
 else