battery: Remove full indicator

[slstatus.git] / components / battery.c

diff --git a/components/battery.c b/components/battery.c
index 04dfa47..fe17a68 100644 (file)
--- a/components/battery.c
+++ b/components/battery.c
@@ -20,18 +20,6 @@
                       bprintf("%d", perc) : NULL;
        }
 
-       const char *
-       battery_power(const char *bat)
-       {
-               int watts;
-               char path[PATH_MAX];
-
-               snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/",
-                        bat, "/power_now");
-               return (pscanf(path, "%i", &watts) == 1) ?
-                      bprintf("%d", (watts + 500000) / 1000000) : NULL;
-       }
-
        const char *
        battery_state(const char *bat)
        {
@@ -41,8 +29,6 @@
                } map[] = {
                        { "Charging",    "+" },
                        { "Discharging", "-" },
-                       { "Full",        "=" },
-                       { "Unknown",     "/" },
                };
                size_t i;
                char path[PATH_MAX], state[12];
@@ -88,4 +74,40 @@
 
                return bprintf("%d", apm_info.battery_life);
        }
+
+       const char *
+       battery_state(const char *bat)
+       {
+               int fd;
+               size_t i;
+               struct apm_power_info apm_info;
+               struct {
+                       unsigned int state;
+                       char *symbol;
+               } map[] = {
+                       { APM_AC_ON,      "+" },
+                       { APM_AC_OFF,     "-" },
+               };
+
+               fd = open("/dev/apm", O_RDONLY);
+               if (fd < 0) {
+                       fprintf(stderr, "open '/dev/apm': %s\n", strerror(errno));
+                       return NULL;
+               }
+
+               if (ioctl(fd, APM_IOC_GETPOWER, &apm_info) < 0) {
+                       fprintf(stderr, "ioctl 'APM_IOC_GETPOWER': %s\n",
+                               strerror(errno));
+                       close(fd);
+                       return NULL;
+               }
+               close(fd);
+
+               for (i = 0; i < LEN(map); i++) {
+                       if (map[i].state == apm_info.ac_state) {
+                               break;
+                       }
+               }
+               return (i == LEN(map)) ? "?" : map[i].symbol;
+       }
 #endif