added batmon usage for battery output

src/util/batturry.nim

@@ -1,4 +1,6 @@
 import strutils
+import osproc
+import jsony
 
 import ../common
 import ../common/colours
@@ -17,6 +19,14 @@ const alert_bg = yellow
 const med_fg = green
 #const med_bg = black
 
+type
+  Battery = object
+    charge: float
+    status: string
+    charging: bool
+
+proc postHook(b: var Battery) =
+  b.charging = b.status == "Charging"
 
 proc batteryExists(): bool =
   try:
@@ -36,17 +46,17 @@ proc isCharging(): bool =
     echo "Error getting charging status : " & getCurrentExceptionMsg()
   return false
 
-proc getCharge(): int =
-  var charge = 0
+proc getCharge(): float =
+  var charge = 0.0
   try:
     let chg = strip(readFile("/sys/class/power_supply/" & battery & "/capacity"))
     if chg != "":
-      charge = parseInt(chg)
+      charge = parseFloat(chg)
   except:
     echo "Error getting battery level : " & getCurrentExceptionMsg()
   return charge
 
-proc getDesign(charge: int, state: bool): string =
+proc getDesign(charge: float, state: bool): string =
   var icon = " "
   var icon_colour = ok_fg
   var col = default_fg
@@ -87,7 +97,7 @@ proc getDesign(charge: int, state: bool): string =
 
   return main_text
 
-proc getOutput(charge: int, state: bool): Info =
+proc getOutput(charge: float, state: bool): Info =
   let main_text = get_design(charge, state)
   var data = newInfo("Batturry")
   # TODO check if html text works with rofi
@@ -101,8 +111,20 @@ proc getBatteryInfo() =
   let data = getoutput(charge, state)
   outputData(data)
 
+proc getBatteryInfoBSD() =
+  try:
+    let batmon = osproc.execCmdEx("batmon -o")
+    if batmon.exitCode == 0:
+      let bat = batmon.output.fromJson(Battery)
+      let data = getOutput(bat.charge, bat.charging)
+      outputData(data)
+  except:
+    echo getCurrentExceptionMsg()
+
 proc go*() =
-  if batteryExists():
+  if hostOS == "freebsd":
+    getBatteryInfoBSD();
+  elif batteryExists():
     getBatteryInfo()