Added mouse charging

jstat

@@ -12,19 +12,49 @@ while (true); do
     ## load average
     #loadavg=$(cat /proc/loadavg | awk '{print $1 " " $2 " " $3}')
 
-    # check if mpd is playing
-    # if yes, output volume and song
-    check_play=$(mpc status | grep "playing")
-    if [ ! -z "$check_play" ]; then
-        play="$(mpc status | head -n 1) |"
-        vol="[$(mpc vol | cut -c 8-)]"
+
+    check_mpd() {
+        # check if mpd is playing
+        # if yes, output volume and song
+        check_play=$(mpc status | grep "playing")
+        if [ ! -z "$check_play" ]; then
+            play="[ $(mpc status | head -n 1) ]"
+            ## volume from mopidy, not useful, use master volume below
+            #vol="[$(mpc vol | cut -c 8-)]"
+        else 
+        #otherwise hide it
+            vol=""
+            play=""
+        fi
+    }
+    
+    # function to call to update volume
+    # this is so I don't have to constantly poll it every 0.5
+    set_volume() {
+        ## using pactl was really unreliable
+        #sound_card="$(pactl list sinks short | grep -i audioengine | awk '{print $1}')"
+        #sound_card=3
+        #vol="$(pactl list sinks | grep '^[[:space:]]Volume:' | head -n $sound_card | tail -n 1 | sed -e 's,.* \([0-9][0-9]*\)%.*,\1,')%"
+        vol="$(pulsemixer --get-volume | awk '{print $1}')%"
+    }
+
+    ### mouse charging
+    # get state (eg "charging")
+    mouse_state="$(upower -i /org/freedesktop/UPower/devices/battery_hidpp_battery_6 | grep state | awk '{print $2}')"
+    # get charge percentage
+    mouse_charge="$(upower -i /org/freedesktop/UPower/devices/battery_hidpp_battery_6 | grep percentage | awk '{print $2}')"
+    # if the mouse is charging, set state to percentage.  otherwise dont show it ("")
+    if [ $mouse_state == "charging" ] && [ $mouse_state != "discharging" ]; then
+        mouse_status="[ Mouse: $mouse_charge ]"
     else
-    #otherwise hide it
-        vol=""
-        play=""
+        unset mouse_status
     fi
 
+    # volume up/down scripts will SIGHUP this PID
+    # when you receive SIGHUP just run set_volume()
+    trap set_volume SIGHUP
+
     # final output to status bar
-    xsetroot -name "$vol $play $timedate"
+    xsetroot -name "$mouse_status $play $vol $timedate"
     sleep 0.5;
 done