127 lines
3 KiB
Nim
127 lines
3 KiB
Nim
import base
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import std/[strutils,os]
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const battery = "BAT0"
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const ok_fg = lightgreen
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const default_fg = white
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const default_bg = black
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const warning_fg = black
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const warning_bg = red
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const low_bg = black
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const low_fg = red
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const alert_fg = black
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const alert_bg = yellow
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const med_fg = green
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const med_bg = black
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proc batteryExists(): bool =
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try:
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let state = strip(readFile("/sys/class/power_supply/" & battery & "/present"))
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if state == "1":
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return true
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except:
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echo "Error getting battery : " & getCurrentExceptionMsg()
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return false
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proc isCharging(): bool =
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try:
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let state = strip(readFile("/sys/class/power_supply/" & battery & "/status"))
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if state == "Charging":
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return true
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except:
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echo "Error getting charging status : " & getCurrentExceptionMsg()
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return false
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proc getCharge(): int =
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var charge = 0
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try:
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let chg = strip(readFile("/sys/class/power_supply/" & battery & "/capacity"))
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if chg != "":
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charge = parseInt(chg)
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except:
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echo "Error getting battery level : " & getCurrentExceptionMsg()
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return charge
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proc getDesign(charge: int, state: bool): (string, string, string, string, string) =
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var icon = " "
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var icon_colour = ok_fg
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var col = default_fg
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var bg = default_bg
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var border = ok_fg
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if isCharging():
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icon = " "
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else:
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case charge:
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of 0..5:
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icon_colour = warning_fg
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col = warning_fg
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bg = warning_bg
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of 6..19:
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icon_colour = low_fg
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border = low_bg
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bg = default_bg
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of 20..39:
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icon_colour = alert_fg
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border = alert_bg
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icon = " "
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of 40..59:
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icon_colour = med_fg
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border= med_fg
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icon = " "
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of 60..79:
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icon_colour = med_fg
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border = med_fg
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icon = " "
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of 80..100:
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icon_colour = ok_fg
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border = ok_fg
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icon = " "
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else:
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icon = "x "
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let main_text = icon & " " & $charge & "%"
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# This next line is here for i3bar purposes
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let html_text = "<span foreground=\"" & icon_colour & "\">" & icon & "</span>" & $charge & "%"
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return (html_text,main_text, col, bg, border)
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proc getOutput(charge: int, state: bool): Info =
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let (html_text,main_text,col,bg_col,highlight_col) = get_design(charge, state)
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var data = newInfo("Battery")
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data.full_text = main_text
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data.selected_bg = highlight_col
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data.selected_fg = col # may just want `black` here
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# i3bar stuff
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data.html_text = html_text
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data.color = col
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data.border = highlight_col
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data.background = bg_col
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return data
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proc getBatteryInfo() =
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var last_charge = -1
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var last_state = false
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while true:
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let charge = getCharge()
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let state = isCharging()
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if charge != last_charge or state != last_state:
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let data = getoutput(charge, state)
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outputData(data)
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last_charge = charge
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last_state = state
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if stoploop:
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break
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sleep(1000)
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proc main() =
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if batteryExists():
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getBatteryInfo()
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else:
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switchTwmMode()
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if isMainModule:
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main()
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