slstatus

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git clone https://git.beauhilton.com/slstatus.git
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commit f170028527bdccead9a99797b45011d5e76100f1
parent b04ca3ef45decced916dd43370d43a10f21e2991
Author: Aaron Marcher <me@drkhsh.at>
Date:   Fri, 18 May 2018 17:25:09 +0200

Port battery_remaining to Linux

Additionally unify the format of battery_state and uptime

Diffstat:
MREADME | 2+-
Mcomponents/battery.c | 34+++++++++++++++++++++++++++++++---
2 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/README b/README @@ -6,7 +6,7 @@ slstatus is a suckless status monitor for window managers that use WM_NAME Features -------- -- Battery percentage/state +- Battery percentage/state/time left - CPU usage - CPU frequency - Custom shell commands diff --git a/components/battery.c b/components/battery.c @@ -49,8 +49,36 @@ const char * battery_remaining(const char *bat) { - /* TODO: Implement */ - return NULL; + int charge_now, current_now, m, h; + float timeleft; + char path[PATH_MAX], state[12]; + + snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", + bat, "/status"); + if (pscanf(path, "%12s", state) != 1) { + return NULL; + } + + if (!strcmp(state, "Discharging")) { + snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", + bat, "/charge_now"); + if (pscanf(path, "%i", &charge_now) != 1) { + return NULL; + } + snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", + bat, "/current_now"); + if (pscanf(path, "%i", &current_now) != 1) { + return NULL; + } + + timeleft = (float)charge_now / (float)current_now; + h = timeleft; + m = (timeleft - (float)h) * 60; + + return bprintf("%dh %dm", h, m); + } + + return ""; } #elif defined(__OpenBSD__) #include <fcntl.h> @@ -122,7 +150,7 @@ if (load_apm_power_info(&apm_info)) { if (apm_info.ac_state != APM_AC_ON) { - return bprintf("%u:%02u", apm_info.minutes_left / 60, + return bprintf("%uh %02um", apm_info.minutes_left / 60, apm_info.minutes_left % 60); } else { return "";