+unsigned char battery_low_cmd_send;
+char *battery_low_cmd;
+char *path_energy_now;
+char *path_energy_full;
+char *path_current_now;
+char *path_status;
+
+#if defined(__OpenBSD__) || defined(__NetBSD__)
+int apm_fd;
+#endif
+
+void update_batterys(void* arg)
+{
+ int old_percentage = battery_state.percentage;
+ int16_t old_hours = battery_state.time.hours;
+ int8_t old_minutes = battery_state.time.minutes;
+
+ update_battery();
+ if (old_percentage == battery_state.percentage && old_hours == battery_state.time.hours && old_minutes == battery_state.time.minutes)
+ return;
+
+ int i;
+ for (i=0 ; i < nb_panel ; i++) {
+ if (battery_state.percentage >= percentage_hide) {
+ if (panel1[i].battery.area.on_screen == 1) {
+ hide(&panel1[i].battery.area);
+ panel_refresh = 1;
+ }
+ }
+ else {
+ if (panel1[i].battery.area.on_screen == 0) {
+ show(&panel1[i].battery.area);
+ panel_refresh = 1;
+ }
+ }
+ if (panel1[i].battery.area.on_screen == 1) {
+ panel1[i].battery.area.resize = 1;
+ panel_refresh = 1;
+ }
+ }
+}
+
+void default_battery()
+{
+ battery_enabled = 0;
+ percentage_hide = 101;
+ battery_low_cmd_send = 0;
+ battery_timeout = 0;
+ bat1_font_desc = 0;
+ bat2_font_desc = 0;
+ battery_low_cmd = 0;
+ path_energy_now = 0;
+ path_energy_full = 0;
+ path_current_now = 0;
+ path_status = 0;
+ battery_state.percentage = 0;
+ battery_state.time.hours = 0;
+ battery_state.time.minutes = 0;
+#if defined(__OpenBSD__) || defined(__NetBSD__)
+ apm_fd = -1;
+#endif
+}
+
+void cleanup_battery()
+{
+ if (bat1_font_desc) pango_font_description_free(bat1_font_desc);
+ if (bat2_font_desc) pango_font_description_free(bat2_font_desc);
+ if (path_energy_now) g_free(path_energy_now);
+ if (path_energy_full) g_free(path_energy_full);
+ if (path_current_now) g_free(path_current_now);
+ if (path_status) g_free(path_status);
+ if (battery_low_cmd) g_free(battery_low_cmd);
+ if (battery_timeout) stop_timeout(battery_timeout);
+
+#if defined(__OpenBSD__) || defined(__NetBSD__)
+ if ((apm_fd != -1) && (close(apm_fd) == -1))
+ warn("cannot close /dev/apm");
+#endif
+}
+
+
+void init_battery()
+{
+ if (!battery_enabled) return;
+
+#if defined(__OpenBSD__) || defined(__NetBSD__)
+ apm_fd = open("/dev/apm", O_RDONLY);
+ if (apm_fd < 0) {
+ warn("init_battery: failed to open /dev/apm.");
+ battery_enabled = 0;
+ return;
+ }
+
+#elif !defined(__FreeBSD__)
+ // check battery
+ GDir *directory = 0;
+ GError *error = NULL;
+ const char *entryname;
+ char *battery_dir = 0;
+
+ directory = g_dir_open("/sys/class/power_supply", 0, &error);
+ if (error)
+ g_error_free(error);
+ else {
+ while ((entryname=g_dir_read_name(directory))) {
+ if (strncmp(entryname,"AC", 2) == 0) continue;
+
+ char *path1 = g_build_filename("/sys/class/power_supply", entryname, "present", NULL);
+ if (g_file_test (path1, G_FILE_TEST_EXISTS)) {
+ g_free(path1);
+ battery_dir = g_build_filename("/sys/class/power_supply", entryname, NULL);
+ break;
+ }
+ g_free(path1);
+ }
+ }
+ if (directory)
+ g_dir_close(directory);
+ if (!battery_dir) {
+ fprintf(stderr, "ERROR: battery applet can't found power_supply\n");
+ default_battery();
+ return;
+ }
+
+ char *path1 = g_build_filename(battery_dir, "energy_now", NULL);
+ if (g_file_test (path1, G_FILE_TEST_EXISTS)) {
+ path_energy_now = g_build_filename(battery_dir, "energy_now", NULL);
+ path_energy_full = g_build_filename(battery_dir, "energy_full", NULL);
+ }
+ else {
+ char *path2 = g_build_filename(battery_dir, "charge_now", NULL);
+ if (g_file_test (path2, G_FILE_TEST_EXISTS)) {
+ path_energy_now = g_build_filename(battery_dir, "charge_now", NULL);
+ path_energy_full = g_build_filename(battery_dir, "charge_full", NULL);
+ }
+ else {
+ fprintf(stderr, "ERROR: can't found energy_* or charge_*\n");
+ }
+ g_free(path2);
+ }
+
+ path_current_now = g_build_filename(battery_dir, "power_now", NULL);
+ if (!g_file_test (path_current_now, G_FILE_TEST_EXISTS)) {
+ g_free(path_current_now);
+ path_current_now = g_build_filename(battery_dir, "current_now", NULL);
+ }
+
+ if (path_energy_now && path_energy_full) {
+ path_status = g_build_filename(battery_dir, "status", NULL);
+
+ // check file
+ FILE *fp1, *fp2, *fp3, *fp4;
+ fp1 = fopen(path_energy_now, "r");
+ fp2 = fopen(path_energy_full, "r");
+ fp3 = fopen(path_current_now, "r");
+ fp4 = fopen(path_status, "r");
+ if (fp1 == NULL || fp2 == NULL || fp3 == NULL || fp4 == NULL) {
+ cleanup_battery();
+ default_battery();
+ fprintf(stderr, "ERROR: battery applet can't open energy_now\n");
+ }
+ fclose(fp1);
+ fclose(fp2);
+ fclose(fp3);
+ fclose(fp4);
+ }
+
+ g_free(path1);
+ g_free(battery_dir);
+#endif
+
+ if (battery_enabled && battery_timeout==0)
+ battery_timeout = add_timeout(10, 10000, update_batterys, 0);
+}
+
+
+void init_battery_panel(void *p)
+{
+ Panel *panel = (Panel*)p;
+ Battery *battery = &panel->battery;
+
+ if (!battery_enabled)
+ return;
+
+ if (battery->area.bg == 0)
+ battery->area.bg = &g_array_index(backgrounds, Background, 0);
+
+ battery->area.parent = p;
+ battery->area.panel = p;
+ battery->area._draw_foreground = draw_battery;
+ battery->area.size_mode = SIZE_BY_CONTENT;
+ battery->area._resize = resize_battery;
+ battery->area.on_screen = 1;
+ battery->area.resize = 1;
+}