X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/8c8326f793549dcc685f0e4ec3e29f1f3790d6d8..f3178199848911c8fb51b30e3993ae47120fcc6c:/components/battery.c

diff --git a/components/battery.c b/components/battery.c
index 152777e..3965e8f 100644
--- a/components/battery.c
+++ b/components/battery.c
@@ -16,7 +16,7 @@
 
 		snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/",
 		         bat, "/capacity");
-		return (pscanf(path, "%i", &perc) == 1) ? bprintf("%d", perc) : NULL;
+		return (pscanf(path, "%d", &perc) == 1) ? bprintf("%d", perc) : NULL;
 	}
 
 	const char *
@@ -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, "%d", &charge_now) != 1) {
+				return NULL;
+			}
+			snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/",
+					 bat, "/current_now");
+			if (pscanf(path, "%d", &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>
@@ -121,8 +149,12 @@
 		struct apm_power_info apm_info;
 
 		if (load_apm_power_info(&apm_info)) {
-			return bprintf("%u:%02u", apm_info.minutes_left / 60,
-				       apm_info.minutes_left % 60);
+			if (apm_info.ac_state != APM_AC_ON) {
+				return bprintf("%uh %02um", apm_info.minutes_left / 60,
+				               apm_info.minutes_left % 60);
+			} else {
+				return "";
+			}
 		}
 
 		return NULL;