117 lines
3.8 KiB
Fennel
117 lines
3.8 KiB
Fennel
(local {: bar : indicator : stylesheet : run} (require :blinkenlicht))
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(local {: view} (require :fennel))
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(local iostream (require :iostream))
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(local modem (require :modem))
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(local uplink (require :metric.uplink))
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(local battery (require :metric.battery))
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(local cpustat (require :metric.cpustat))
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(stylesheet "licht.css")
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(fn battery-icon-codepoint [status percent]
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(if (= status "Charging") 0xf0e7
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(> percent 90) 0xf240 ;full
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(> percent 60) 0xf241 ;3/4
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(> percent 40) 0xf242 ;1/2
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(> percent 15) 0xf243 ;1/4
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(>= percent 0) 0xf244 ;empty
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; 0xf377 ; glyph not present in font-awesome free
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))
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(fn wlan-quality-class [quality]
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(if (< -50 quality) "p100"
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(< -67 quality) "p75"
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(< -70 quality) "p50"
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(< -80 quality) "p25"
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"p0"))
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(fn spawn []
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true)
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(bar
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{
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;; bar must be full width to set up an "exclusive zone" (moves
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;; other windows out of the way), otherwise it will display on
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;; to of whatever's on the screen already
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:anchor [:top :right :left]
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:orientation :horizontal
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:gravity :end
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:classes ["hey"]
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:indicators
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[
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(let []
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(var previous 0)
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;; on my laptop, adding this indicator has made the task
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;; go from ~ 1% cpu to around 3%, which is not ideal
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(indicator {
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:wait-for { :interval (* 1 500) }
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:refresh
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(let [stat (cpustat.new)]
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#(let [current (. (stat:read) :iowait)
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delta (- current previous)
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v (if (> delta 4) "" " ")]
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(set previous current)
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{:text v}))
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}))
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(indicator {
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:wait-for {
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:interval (* 4 1000)
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}
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:refresh
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(let [modem (modem.new)]
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#(let [{:m3gpp-operator-name operator
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:signal-quality quality} (modem:read)]
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{:text (.. operator
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;;" " (. quality 1) "dBm"
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)
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}))
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})
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(let [uplink (uplink.new)
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input (iostream.from-descriptor uplink.fd)]
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(indicator {
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:wait-for {
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:input [input]
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}
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:refresh
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#(let [status (uplink:read)
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devtype status.devtype]
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(if status
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{:text (.. (or status.ssid status.name "?")
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" ")
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:classes [devtype
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(and (= devtype "wlan")
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(wlan-quality-class status.quality))]
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}
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{:text "no internet"}
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))
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}))
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(indicator {
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:wait-for { :interval (* 1000 10) }
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:refresh
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(let [battery (battery.new (or (os.getenv "BLINKEN_BATTERY")
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"axp20x-battery"))]
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#(let [{:power-supply-capacity percent
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:power-supply-status status}
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(battery.read)
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icon-code (battery-icon-codepoint
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status (tonumber percent))]
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{:text
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(string.format "%s %d%%" (utf8.char icon-code) percent)
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:classes ["battery" (if (< (tonumber percent) 20) "low" "ok")]
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}))
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})
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(indicator {
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:wait-for { :interval 4000 }
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:refresh #{:text (os.date "%H:%M")}
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})
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]})
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(run)
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