$OpenBSD$
--- src/battery/battery.c.orig	Tue Jan 19 19:29:28 2010
+++ src/battery/battery.c	Fri Apr 16 02:03:24 2010
@@ -24,6 +24,12 @@
 #include <cairo-xlib.h>
 #include <pango/pangocairo.h>
 
+/* OpenBSD */
+#include <machine/apmvar.h>
+#include <err.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
 #include "window.h"
 #include "server.h"
 #include "area.h"
@@ -51,6 +57,9 @@ char *path_energy_full=0;
 char *path_current_now=0;
 char *path_status=0;
 
+/* OpenBSD power */
+int apm_fd = NULL;
+
 void update_batterys(void* arg)
 {
 	int i;
@@ -80,6 +89,7 @@ void update_batterys(void* arg)
 
 void init_battery()
 {
+#if 0
 	// check battery
 	GDir *directory = 0;
 	GError *error = NULL;
@@ -150,7 +160,16 @@ void init_battery()
 
 	g_free(path1);
 	g_free(battery_dir);
+#endif
 
+	/* OpenBSD */
+	apm_fd = open("/dev/apm", O_RDONLY, "r");
+	if (apm_fd < 0) {
+		warn("init_battery: failed to open /dev/apm.");
+		battery_enabled = 0;
+		return;
+	}
+
 	if (battery_enabled && battery_timeout==0)
 		battery_timeout = add_timeout(10, 10000, update_batterys, 0);
 }
@@ -176,6 +195,10 @@ void cleanup_battery()
 
 	battery_low_cmd = path_energy_now = path_energy_full = path_current_now = path_status = 0;
 	bat1_font_desc = bat2_font_desc = 0;
+
+	if (close(apm_fd) == -1) {
+		warn("cannot close /dev/apm");
+	}
 }
 
 
@@ -227,19 +250,40 @@ void update_battery() {
 	char tmp[25];
 	int64_t energy_now = 0, energy_full = 0, current_now = 0;
 	int seconds = 0;
-	int8_t new_percentage = 0;
+	unsigned int new_percentage = 0;
 
-	fp = fopen(path_status, "r");
+	/* OpenBSD */
+	struct apm_power_info info;
+	if (ioctl(apm_fd, APM_IOC_GETPOWER, &(info)) < 0)
+		warn("power update: APM_IOC_GETPOWER");
+
+#if 0
+	fopen(path_status, "r");
 	if(fp != NULL) {
 		if (fgets(tmp, sizeof tmp, fp)) {
-			battery_state.state = BATTERY_UNKNOWN;
-			if(strcasecmp(tmp, "Charging\n")==0) battery_state.state = BATTERY_CHARGING;
-			if(strcasecmp(tmp, "Discharging\n")==0) battery_state.state = BATTERY_DISCHARGING;
-			if(strcasecmp(tmp, "Full\n")==0) battery_state.state = BATTERY_FULL;
+#endif
+
+	/* best attempt at mapping to linux battery states */
+	battery_state.state = BATTERY_UNKNOWN;
+	switch (info.battery_state) {
+		case APM_BATT_CHARGING:
+			battery_state.state = BATTERY_CHARGING;
+			break;
+		default:
+			battery_state.state = BATTERY_DISCHARGING;
+			break;
+	}
+
+	if (info.battery_life == 100)
+		battery_state.state = BATTERY_FULL;
+
+#if 0
 		}
 		fclose(fp);
 	}
+#endif
 
+#if 0
 	fp = fopen(path_energy_now, "r");
 	if(fp != NULL) {
 		if (fgets(tmp, sizeof tmp, fp)) energy_now = atoi(tmp);
@@ -271,21 +315,36 @@ void update_battery() {
 				break;
 		}
 	} else seconds = 0;
+#endif
 
+	/* no mapping for openbsd really */
+	energy_full = 0;
+	energy_now = 0;
+
+	if (info.minutes_left != -1)
+		seconds = info.minutes_left * 60;
+	else
+		seconds = -1;
+
+	new_percentage = info.battery_life;
+
 	battery_state.time.hours = seconds / 3600;
 	seconds -= 3600 * battery_state.time.hours;
 	battery_state.time.minutes = seconds / 60;
 	seconds -= 60 * battery_state.time.minutes;
 	battery_state.time.seconds = seconds;
 
+#if 0
 	if(energy_full > 0)
 		new_percentage = (energy_now*100)/energy_full;
 
+#endif
 	if(battery_low_status > new_percentage && battery_state.state == BATTERY_DISCHARGING && !battery_low_cmd_send) {
 		if (battery_low_cmd)
 			if (-1 != system(battery_low_cmd))
 				battery_low_cmd_send = 1;
 	}
+
 	if(battery_low_status < new_percentage && battery_state.state == BATTERY_CHARGING && battery_low_cmd_send) {
 		battery_low_cmd_send = 0;
 	}