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-rw-r--r--tv/5pkgs/q/default.nix177
1 files changed, 137 insertions, 40 deletions
diff --git a/tv/5pkgs/q/default.nix b/tv/5pkgs/q/default.nix
index f923950f0..a3a7cd739 100644
--- a/tv/5pkgs/q/default.nix
+++ b/tv/5pkgs/q/default.nix
@@ -62,47 +62,143 @@ let
fi
'';
- q-power_supply = ''
+ q-intel_backlight = ''
+ cd /sys/class/backlight/intel_backlight
+ </dev/null exec ${pkgs.gawk}/bin/awk '
+ END {
+ getline actual_brightness < "actual_brightness"
+ getline max_brightness < "max_brightness"
+ getline brightness < "brightness"
+ printf "intel_backlight %d%% %d/%d\n" \
+ , actual_brightness / max_brightness * 100 \
+ , actual_brightness \
+ , max_brightness
+ }
+ '
+ '';
+
+ q-power_supply = let
+ power_supply = pkgs.writeBash "power_supply" ''
+ set -efu
+ uevent=$1
+ eval "$(${pkgs.gnused}/bin/sed -n '
+ s/^\([A-Z_]\+=[0-9A-Za-z_-]*\)$/export \1/p
+ ' $uevent)"
+ case $POWER_SUPPLY_NAME in
+ AC)
+ exit # not battery
+ ;;
+ esac
+ exec </dev/null
+ exec ${pkgs.gawk}/bin/awk '
+ function die(s) {
+ printf "%s: %s\n", name, s
+ exit 1
+ }
+
+ function print_hm(h, m) {
+ m = (h - int(h)) * 60
+ return sprintf("%dh%dm", h, m)
+ }
+
+ function print_bar(n, r, t1, t2, t_col) {
+ t1 = int(r * n)
+ t2 = n - t1
+ if (r >= .42) t_col = "1;32"
+ else if (r >= 23) t_col = "1;33"
+ else if (r >= 11) t_col = "1;31"
+ else t_col = "5;1;31"
+ return sgr(t_col) strdup("■", t1) sgr(";30") strdup("■", t2) sgr()
+ }
+
+ function sgr(p) {
+ return "\x1b[" p "m"
+ }
+
+ function strdup(s,n,t) {
+ t = sprintf("%"n"s","")
+ gsub(/ /,s,t)
+ return t
+ }
+
+ END {
+ name = ENVIRON["POWER_SUPPLY_NAME"]
+
+ charge_unit = "Ah"
+ charge_now = ENVIRON["POWER_SUPPLY_CHARGE_NOW"] / 10^6
+ charge_full = ENVIRON["POWER_SUPPLY_CHARGE_FULL"] / 10^6
+
+ current_unit = "A"
+ current_now = ENVIRON["POWER_SUPPLY_CURRENT_NOW"] / 10^6
+
+ energy_unit = "Wh"
+ energy_now = ENVIRON["POWER_SUPPLY_ENERGY_NOW"] / 10^6
+ energy_full = ENVIRON["POWER_SUPPLY_ENERGY_FULL"] / 10^6
+
+ power_unit = "W"
+ power_now = ENVIRON["POWER_SUPPLY_POWER_NOW"] / 10^6
+
+ voltage_unit = "V"
+ voltage_now = ENVIRON["POWER_SUPPLY_VOLTAGE_NOW"] / 10^6
+ voltage_min_design = ENVIRON["POWER_SUPPLY_VOLTAGE_MIN_DESIGN"] / 10^6
+
+ #printf "charge_now: %s\n", charge_now
+ #printf "charge_full: %s\n", charge_full
+ #printf "current_now: %s\n", current_now
+ #printf "energy_now: %s\n", energy_now
+ #printf "energy_full: %s\n", energy_full
+ #printf "energy_full: %s\n", ENVIRON["POWER_SUPPLY_ENERGY_FULL"]
+ #printf "energy_full: %s\n", ENVIRON["POWER_SUPPLY_ENERGY_FULL"] / 10^6
+ #printf "power_now: %s\n", power_now
+ #printf "voltage_now: %s\n", voltage_now
+
+ if (current_now == 0 && voltage_now != 0) {
+ current_now = power_now / voltage_now
+ }
+ if (power_now == 0) {
+ power_now = current_now * voltage_now
+ }
+ if (charge_now == 0 && voltage_min_design != 0) {
+ charge_now = energy_now / voltage_min_design
+ }
+ if (energy_now == 0) {
+ energy_now = charge_now * voltage_min_design
+ }
+ if (charge_full == 0 && voltage_min_design != 0) {
+ charge_full = energy_full / voltage_min_design
+ }
+ if (energy_full == 0) {
+ energy_full = charge_full * voltage_min_design
+ }
+
+ if (charge_now == 0 || charge_full == 0) {
+ die("unknown charge")
+ }
+
+ charge_ratio = charge_now / charge_full
+
+ out = out name
+ out = out sprintf(" %s", print_bar(10, charge_ratio))
+ out = out sprintf(" %d%", charge_ratio * 100)
+ out = out sprintf(" %.2f%s", charge_now, charge_unit)
+ if (current_now != 0) {
+ out = out sprintf("/%.1f%s", current_now, current_unit)
+ }
+ out = out sprintf(" %d%s", energy_full, energy_unit)
+ if (power_now != 0) {
+ out = out sprintf("/%.1f%s", power_now, power_unit)
+ }
+ if (current_now != 0) {
+ out = out sprintf(" %s", print_hm(charge_now / current_now))
+ }
+
+ print out
+ }
+ '
+ '';
+ in ''
for uevent in /sys/class/power_supply/*/uevent; do
- if test -f $uevent; then
- eval "$(${pkgs.gnused}/bin/sed -n '
- s/^\([A-Z_]\+=\)\(.*\)/\1'\'''\2'\'''/p
- ' $uevent)"
-
- if test "x''${POWER_SUPPLY_CHARGE_NOW-}" = x; then
- continue
- fi
-
- charge_percentage=$(echo "
- scale=2
- $POWER_SUPPLY_CHARGE_NOW / $POWER_SUPPLY_CHARGE_FULL
- " | ${pkgs.bc}/bin/bc)
-
- lfc=$POWER_SUPPLY_CHARGE_FULL
- rc=$POWER_SUPPLY_CHARGE_NOW
- #rc=2800
- N=78; N=76
- N=10
- n=$(echo $N-1 | ${pkgs.bc}/bin/bc)
- centi=$(echo "$rc*100/$lfc" | ${pkgs.bc}/bin/bc)
- deci=$(echo "$rc*$N/$lfc" | ${pkgs.bc}/bin/bc)
- energy_evel=$(
- echo -n '☳ ' # TRIGRAM FOR THUNDER
- if test $centi -ge 42; then echo -n ''
- elif test $centi -ge 23; then echo -n ''
- elif test $centi -ge 11; then echo -n ''
- else echo -n ''; fi
- for i in $(${pkgs.coreutils}/bin/seq 1 $deci); do
- echo -n ■
- done
- echo -n ''
- for i in $(${pkgs.coreutils}/bin/seq $deci $n); do
- echo -n ■
- done
- echo '' $rc #/ $lfc
- )
- echo "$energy_evel $charge_percentage"
- fi
+ ${power_supply} "$uevent" || :
done
'';
@@ -188,6 +284,7 @@ pkgs.writeBashBin "q" ''
${q-isodate}
${q-sgtdate}
(${q-gitdir}) &
+ (${q-intel_backlight}) &
(${q-power_supply}) &
(${q-virtualization}) &
(${q-wireless}) &