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cbatticon.c
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/*
* Copyright (C) 2011-2013 Colin Jones
* Copyright (C) 2014-2023 Valère Monseur
*
* Based on code by Matteo Marchesotti
* Copyright (C) 2007 Matteo Marchesotti <[email protected]>
*
* cbatticon: a lightweight and fast battery icon that sits in your system tray.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define CBATTICON_VERSION_NUMBER 1.6.13
#define CBATTICON_VERSION_STRING "1.6.13"
#define CBATTICON_STRING "cbatticon"
#include <glib.h>
#include <glib/gi18n.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#ifdef WITH_NOTIFY
#include <libnotify/notify.h>
#endif
#include <errno.h>
#include <libintl.h>
#include <locale.h>
#include <math.h>
#include <syslog.h>
#define SYSFS_PATH "/sys/class/power_supply"
#define DEFAULT_UPDATE_INTERVAL 5
#define DEFAULT_LOW_LEVEL 20
#define DEFAULT_CRITICAL_LEVEL 5
#define STR_LTH 256
enum {
UNKNOWN_ICON = 0,
BATTERY_ICON_STANDARD,
BATTERY_ICON_SYMBOLIC,
BATTERY_ICON_NOTIFICATION
};
enum {
MISSING = 0,
UNKNOWN,
CHARGED,
CHARGING,
DISCHARGING,
NOTCHARGING,
LOW_LEVEL,
CRITICAL_LEVEL
};
struct configuration {
gboolean display_version;
gboolean debug_output;
gint update_interval;
gint icon_type;
gint low_level;
gint critical_level;
gchar *command_low_level;
gchar *command_critical_level;
gchar *command_left_click;
#ifdef WITH_NOTIFY
gboolean hide_notification;
#endif
gboolean list_icon_types;
gboolean list_power_supplies;
} configuration = {
FALSE,
FALSE,
DEFAULT_UPDATE_INTERVAL,
UNKNOWN_ICON,
DEFAULT_LOW_LEVEL,
DEFAULT_CRITICAL_LEVEL,
NULL,
NULL,
#ifdef WITH_NOTIFY
FALSE,
#endif
FALSE,
FALSE
};
struct icon {
GtkStatusIcon *gtk_icon;
gchar *name;
gint size;
};
static gint get_options (int argc, char **argv);
static gboolean changed_power_supplies (void);
static void get_power_supplies (void);
static gboolean get_sysattr_string (gchar *path, gchar *attribute, gchar **value);
static gboolean get_sysattr_double (gchar *path, gchar *attribute, gdouble *value);
static gboolean get_ac_online (gchar *path, gboolean *online);
static gboolean get_battery_present (gchar *path, gboolean *present);
static gboolean get_battery_status (gint *status);
static gboolean get_battery_full_capacity (gboolean *use_charge, gdouble *capacity);
static gboolean get_battery_remaining_capacity (gboolean use_charge, gdouble *capacity);
static gboolean get_battery_remaining_capacity_pct (gdouble *capacity);
static gboolean get_battery_current_rate (gboolean use_charge, gdouble *rate);
static gboolean get_battery_charge (gboolean remaining, gint *percentage, gint *time);
static gboolean get_battery_time_estimation (gdouble remaining_capacity, gdouble y, gint *time);
static void reset_battery_time_estimation (void);
static void create_tray_icon (void);
static void set_tray_icon (struct icon *tray_icon, const gchar *name);
static gboolean resize_tray_icon (GtkStatusIcon *gtk_icon, gint size, struct icon *tray_icon);
static gboolean update_tray_icon (struct icon *tray_icon);
static void update_tray_icon_status (struct icon *tray_icon);
static void on_tray_icon_click (struct icon *tray_icon, gpointer user_data);
#ifdef WITH_NOTIFY
static void notify_message (NotifyNotification **notification, gchar *summary, gchar *body, gint timeout, NotifyUrgency urgency);
#define NOTIFY_MESSAGE(...) notify_message(__VA_ARGS__)
#else
#define NOTIFY_MESSAGE(...)
#endif
static gchar* get_tooltip_string (gchar *battery, gchar *time);
static gchar* get_battery_string (gint state, gint percentage);
static gchar* get_time_string (gint minutes);
static gchar* get_icon_name (gint state, gint percentage);
static gchar *battery_suffix = NULL;
static gchar *battery_path = NULL;
static gchar *ac_path = NULL;
/*
* workaround for limited/bugged batteries/drivers that don't provide current rate
* the next 4 variables are used to calculate estimated time
*/
static gboolean estimation_needed = FALSE;
static gdouble estimation_remaining_capacity = -1;
static gint estimation_time = -1;
static GTimer *estimation_timer = NULL;
/*
* command line options function
*/
static gint get_options (int argc, char **argv)
{
GError *error = NULL;
gchar *icon_type_string = NULL;
GOptionContext *option_context;
GOptionEntry option_entries[] = {
{ "version" , 'v', 0, G_OPTION_ARG_NONE , &configuration.display_version , N_("Display the version") , NULL },
{ "debug" , 'd', 0, G_OPTION_ARG_NONE , &configuration.debug_output , N_("Display debug information") , NULL },
{ "update-interval" , 'u', 0, G_OPTION_ARG_INT , &configuration.update_interval , N_("Set update interval (in seconds)") , NULL },
{ "icon-type" , 'i', 0, G_OPTION_ARG_STRING, &icon_type_string , N_("Set icon type ('standard', 'notification' or 'symbolic')") , NULL },
{ "low-level" , 'l', 0, G_OPTION_ARG_INT , &configuration.low_level , N_("Set low battery level (in percent)") , NULL },
{ "critical-level" , 'r', 0, G_OPTION_ARG_INT , &configuration.critical_level , N_("Set critical battery level (in percent)") , NULL },
{ "command-low-level" , 'o', 0, G_OPTION_ARG_STRING, &configuration.command_low_level , N_("Command to execute when low battery level is reached") , NULL },
{ "command-critical-level", 'c', 0, G_OPTION_ARG_STRING, &configuration.command_critical_level, N_("Command to execute when critical battery level is reached"), NULL },
{ "command-left-click" , 'x', 0, G_OPTION_ARG_STRING, &configuration.command_left_click , N_("Command to execute when left clicking on tray icon") , NULL },
#ifdef WITH_NOTIFY
{ "hide-notification" , 'n', 0, G_OPTION_ARG_NONE , &configuration.hide_notification , N_("Hide the notification popups") , NULL },
#endif
{ "list-icon-types" , 't', 0, G_OPTION_ARG_NONE , &configuration.list_icon_types , N_("List available icon types") , NULL },
{ "list-power-supplies" , 'p', 0, G_OPTION_ARG_NONE , &configuration.list_power_supplies , N_("List available power supplies (battery and AC)") , NULL },
{ NULL }
};
option_context = g_option_context_new (_("[BATTERY ID]"));
g_option_context_add_main_entries (option_context, option_entries, CBATTICON_STRING);
if (g_option_context_parse (option_context, &argc, &argv, &error) == FALSE) {
g_printerr (_("Cannot parse command line arguments: %s\n"), error->message);
g_error_free (error); error = NULL;
return -1;
}
g_option_context_free (option_context);
/* option : display the version */
if (configuration.display_version == TRUE) {
g_print (_("cbatticon: a lightweight and fast battery icon that sits in your system tray\n"));
g_print (_("version %s\n"), CBATTICON_VERSION_STRING);
return 0;
}
/* option : list available power supplies (battery and AC) */
if (configuration.list_power_supplies == TRUE) {
g_print (_("List of available power supplies:\n"));
get_power_supplies ();
return 0;
}
/* option : list available icon types */
gtk_init (&argc, &argv); /* gtk is required as from this point */
#define HAS_STANDARD_ICON_TYPE gtk_icon_theme_has_icon (gtk_icon_theme_get_default (), "battery-full")
#define HAS_NOTIFICATION_ICON_TYPE gtk_icon_theme_has_icon (gtk_icon_theme_get_default (), "notification-battery-100")
#define HAS_SYMBOLIC_ICON_TYPE gtk_icon_theme_has_icon (gtk_icon_theme_get_default (), "battery-full-symbolic")
if (configuration.list_icon_types == TRUE) {
g_print (_("List of available icon types:\n"));
g_print ("standard\t%s\n" , HAS_STANDARD_ICON_TYPE == TRUE ? _("available") : _("unavailable"));
g_print ("notification\t%s\n", HAS_NOTIFICATION_ICON_TYPE == TRUE ? _("available") : _("unavailable"));
g_print ("symbolic\t%s\n" , HAS_SYMBOLIC_ICON_TYPE == TRUE ? _("available") : _("unavailable"));
return 0;
}
/* option : set icon type */
if (icon_type_string != NULL) {
if (g_strcmp0 (icon_type_string, "standard") == 0 && HAS_STANDARD_ICON_TYPE == TRUE)
configuration.icon_type = BATTERY_ICON_STANDARD;
else if (g_strcmp0 (icon_type_string, "notification") == 0 && HAS_NOTIFICATION_ICON_TYPE == TRUE)
configuration.icon_type = BATTERY_ICON_NOTIFICATION;
else if (g_strcmp0 (icon_type_string, "symbolic") == 0 && HAS_SYMBOLIC_ICON_TYPE == TRUE)
configuration.icon_type = BATTERY_ICON_SYMBOLIC;
else g_printerr (_("Unknown icon type: %s\n"), icon_type_string);
g_free (icon_type_string);
}
if (configuration.icon_type == UNKNOWN_ICON) {
if (HAS_STANDARD_ICON_TYPE == TRUE)
configuration.icon_type = BATTERY_ICON_STANDARD;
else if (HAS_NOTIFICATION_ICON_TYPE == TRUE)
configuration.icon_type = BATTERY_ICON_NOTIFICATION;
else if (HAS_SYMBOLIC_ICON_TYPE == TRUE)
configuration.icon_type = BATTERY_ICON_SYMBOLIC;
else g_printerr (_("No icon type found!\n"));
}
/* option : update interval */
if (configuration.update_interval <= 0) {
configuration.update_interval = DEFAULT_UPDATE_INTERVAL;
g_printerr (_("Invalid update interval! It has been reset to default (%d seconds)\n"), DEFAULT_UPDATE_INTERVAL);
}
/* option : low and critical levels */
if (configuration.low_level < 0 || configuration.low_level > 100) {
configuration.low_level = DEFAULT_LOW_LEVEL;
g_printerr (_("Invalid low level! It has been reset to default (%d percent)\n"), DEFAULT_LOW_LEVEL);
}
if (configuration.critical_level < 0 || configuration.critical_level > 100) {
configuration.critical_level = DEFAULT_CRITICAL_LEVEL;
g_printerr (_("Invalid critical level! It has been reset to default (%d percent)\n"), DEFAULT_CRITICAL_LEVEL);
}
if (configuration.critical_level > configuration.low_level) {
configuration.critical_level = DEFAULT_CRITICAL_LEVEL;
configuration.low_level = DEFAULT_LOW_LEVEL;
g_printerr (_("Critical level is higher than low level! They have been reset to default\n"));
}
return 1;
}
/*
* sysfs functions
*/
static gboolean changed_power_supplies (void)
{
GDir *directory;
const gchar *file;
static gint old_num_ps = 0;
static gint old_total_ps = 0;
gint num_ps = 0;
gint total_ps = 0;
gboolean power_supplies_changed;
directory = g_dir_open (SYSFS_PATH, 0, NULL);
if (directory != NULL) {
file = g_dir_read_name (directory);
while (file != NULL) {
if (ac_path != NULL && g_str_has_suffix (ac_path, file) == TRUE) {
num_ps++;
}
if (battery_path != NULL && g_str_has_suffix (battery_path, file) == TRUE) {
num_ps++;
}
total_ps++;
file = g_dir_read_name (directory);
}
g_dir_close (directory);
}
power_supplies_changed = (num_ps != old_num_ps) || (total_ps != old_total_ps);
if (configuration.debug_output == TRUE && power_supplies_changed == TRUE) {
g_printf ("power supplies changed: old total/num ps=%d/%d, new total/num ps=%d/%d\n",
old_total_ps, old_num_ps, total_ps, num_ps);
}
old_num_ps = num_ps;
old_total_ps = total_ps;
return power_supplies_changed;
}
static void get_power_supplies (void)
{
GError *error = NULL;
GDir *directory;
const gchar *file;
gchar *path;
gchar *sysattr_value;
gboolean sysattr_status;
/* reset power supplies information */
g_free (battery_path); battery_path = NULL;
g_free (ac_path); ac_path = NULL;
estimation_needed = FALSE;
estimation_remaining_capacity = -1;
estimation_time = -1;
if (estimation_timer != NULL) {
g_timer_stop (estimation_timer);
g_timer_destroy (estimation_timer);
estimation_timer = NULL;
}
/* retrieve power supplies information */
directory = g_dir_open (SYSFS_PATH, 0, &error);
if (directory != NULL) {
file = g_dir_read_name (directory);
while (file != NULL) {
path = g_build_filename (SYSFS_PATH, file, NULL);
sysattr_status = get_sysattr_string (path, "type", &sysattr_value);
if (sysattr_status == TRUE) {
/* process battery */
if (g_str_has_prefix (sysattr_value, "Battery") == TRUE &&
get_battery_present (path, NULL) == TRUE) {
if (configuration.list_power_supplies == TRUE) {
gchar *power_supply_id = g_path_get_basename (path);
g_print (_("type: %-*.*s\tid: %-*.*s\tpath: %s\n"), 12, 12, _("Battery"), 12, 12, power_supply_id, path);
g_free (power_supply_id);
}
if (battery_path == NULL) {
if (battery_suffix == NULL ||
g_str_has_suffix (path, battery_suffix) == TRUE) {
battery_path = g_strdup (path);
/* workaround for limited/bugged batteries/drivers */
/* that don't provide current rate */
if (get_battery_current_rate (FALSE, NULL) == FALSE &&
get_battery_current_rate (TRUE, NULL) == FALSE) {
estimation_needed = TRUE;
estimation_timer = g_timer_new ();
if (configuration.debug_output == TRUE) {
g_printf ("workaround: current rate is not available, estimating rate\n");
}
}
if (configuration.debug_output == TRUE) {
g_printf ("battery path: %s\n", battery_path);
}
}
}
}
/* process AC */
if (g_str_has_prefix (sysattr_value, "Mains") == TRUE &&
get_ac_online (path, NULL) == TRUE) {
if (configuration.list_power_supplies == TRUE) {
gchar *power_supply_id = g_path_get_basename (path);
g_print (_("type: %-*.*s\tid: %-*.*s\tpath: %s\n"), 12, 12, _("AC"), 12, 12, power_supply_id, path);
g_free (power_supply_id);
}
if (ac_path == NULL) {
ac_path = g_strdup (path);
if (configuration.debug_output == TRUE) {
g_printf ("ac path: %s\n", ac_path);
}
}
}
g_free (sysattr_value);
}
g_free (path);
file = g_dir_read_name (directory);
}
g_dir_close (directory);
} else {
g_printerr (_("Cannot open sysfs directory: %s (%s)\n"), SYSFS_PATH, error->message);
g_error_free (error); error = NULL;
return;
}
if (configuration.list_power_supplies == FALSE && battery_path == NULL) {
if (battery_suffix != NULL) {
g_printerr (_("No battery with suffix %s found!\n"), battery_suffix);
return;
}
if (ac_path == NULL) {
g_printerr (_("No battery nor AC power supply found!\n"));
return;
}
}
}
static gboolean get_sysattr_string (gchar *path, gchar *attribute, gchar **value)
{
gchar *sysattr_filename;
gboolean sysattr_status;
g_return_val_if_fail (path != NULL, FALSE);
g_return_val_if_fail (attribute != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
sysattr_filename = g_build_filename (path, attribute, NULL);
sysattr_status = g_file_get_contents (sysattr_filename, value, NULL, NULL);
g_free (sysattr_filename);
return sysattr_status;
}
static gboolean get_sysattr_double (gchar *path, gchar *attribute, gdouble *value)
{
gchar *sysattr_filename, *sysattr_value;
gboolean sysattr_status;
g_return_val_if_fail (path != NULL, FALSE);
g_return_val_if_fail (attribute != NULL, FALSE);
sysattr_filename = g_build_filename (path, attribute, NULL);
sysattr_status = g_file_get_contents (sysattr_filename, &sysattr_value, NULL, NULL);
g_free (sysattr_filename);
if (sysattr_status == TRUE) {
gdouble double_value = g_ascii_strtod (sysattr_value, NULL);
if (errno != 0 || double_value < 0.01) {
sysattr_status = FALSE;
}
if (value != NULL) {
*value = double_value;
}
g_free (sysattr_value);
}
return sysattr_status;
}
static gboolean get_ac_online (gchar *path, gboolean *online)
{
gchar *sysattr_value;
gboolean sysattr_status;
if (path == NULL) {
return FALSE;
}
sysattr_status = get_sysattr_string (path, "online", &sysattr_value);
if (sysattr_status == TRUE) {
if (online != NULL) {
*online = g_str_has_prefix (sysattr_value, "1") ? TRUE : FALSE;
}
if (configuration.debug_output == TRUE) {
g_printf ("ac online: %s", sysattr_value);
}
g_free (sysattr_value);
}
return sysattr_status;
}
static gboolean get_battery_present (gchar *path, gboolean *present)
{
gchar *sysattr_value;
gboolean sysattr_status;
if (path == NULL) {
return FALSE;
}
sysattr_status = get_sysattr_string (path, "present", &sysattr_value);
if (sysattr_status == TRUE) {
if (present != NULL) {
*present = g_str_has_prefix (sysattr_value, "1") ? TRUE : FALSE;
}
if (configuration.debug_output == TRUE) {
g_printf ("battery present: %s", sysattr_value);
}
g_free (sysattr_value);
}
return sysattr_status;
}
static gboolean get_battery_status (gint *status)
{
gchar *sysattr_value;
gboolean sysattr_status;
g_return_val_if_fail (status != NULL, FALSE);
sysattr_status = get_sysattr_string (battery_path, "status", &sysattr_value);
if (sysattr_status == TRUE) {
if (g_str_has_prefix (sysattr_value, "Charging") == TRUE)
*status = CHARGING;
else if (g_str_has_prefix (sysattr_value, "Discharging") == TRUE)
*status = DISCHARGING;
else if (g_str_has_prefix (sysattr_value, "Not charging") == TRUE)
*status = NOTCHARGING;
else if (g_str_has_prefix (sysattr_value, "Full") == TRUE)
*status = CHARGED;
else
*status = UNKNOWN;
if (configuration.debug_output == TRUE) {
g_printf ("battery status: %d - %s", *status, sysattr_value);
}
g_free (sysattr_value);
}
return sysattr_status;
}
static gboolean get_battery_full_capacity (gboolean *use_charge, gdouble *capacity)
{
gboolean sysattr_status;
g_return_val_if_fail (use_charge != NULL, FALSE);
g_return_val_if_fail (capacity != NULL, FALSE);
sysattr_status = get_sysattr_double (battery_path, "energy_full", capacity);
*use_charge = FALSE;
if (sysattr_status == FALSE) {
sysattr_status = get_sysattr_double (battery_path, "charge_full", capacity);
*use_charge = TRUE;
}
return sysattr_status;
}
static gboolean get_battery_remaining_capacity (gboolean use_charge, gdouble *capacity)
{
g_return_val_if_fail (capacity != NULL, FALSE);
if (use_charge == FALSE) {
return get_sysattr_double (battery_path, "energy_now", capacity);
} else {
return get_sysattr_double (battery_path, "charge_now", capacity);
}
}
static gboolean get_battery_remaining_capacity_pct (gdouble *capacity)
{
g_return_val_if_fail (capacity != NULL, FALSE);
return get_sysattr_double (battery_path, "capacity", capacity);
}
static gboolean get_battery_current_rate (gboolean use_charge, gdouble *rate)
{
if (use_charge == FALSE) {
return get_sysattr_double (battery_path, "power_now", rate);
} else {
return get_sysattr_double (battery_path, "current_now", rate);
}
}
/*
* computation functions
*/
static gboolean get_battery_charge (gboolean remaining, gint *percentage, gint *time)
{
gdouble full_capacity, remaining_capacity, current_rate;
gboolean use_charge;
g_return_val_if_fail (percentage != NULL, FALSE);
if (get_battery_full_capacity (&use_charge, &full_capacity) == FALSE) {
if (configuration.debug_output == TRUE) {
g_printf ("full capacity: %s\n", "unavailable");
}
return FALSE;
}
if (get_battery_remaining_capacity (use_charge, &remaining_capacity) == FALSE) {
if (get_battery_remaining_capacity_pct (&remaining_capacity) == FALSE) {
if (configuration.debug_output == TRUE) {
g_printf ("remaining capacity: %s\n", "unavailable");
}
return FALSE;
}
/* remaining capacity is percentage, compute the actual remaining capacity */
remaining_capacity *= full_capacity / 100.0;
}
*percentage = (gint)fmin (floor (remaining_capacity / full_capacity * 100.0), 100.0);
if (time == NULL) {
return TRUE;
}
if (estimation_needed == TRUE) {
if (remaining == TRUE) {
return get_battery_time_estimation (remaining_capacity, 0, time);
} else {
return get_battery_time_estimation (remaining_capacity, full_capacity, time);
}
}
if (get_battery_current_rate (use_charge, ¤t_rate) == FALSE) {
if (configuration.debug_output == TRUE) {
g_printf ("current rate: %s\n", "unavailable");
}
return FALSE;
}
if (remaining == TRUE) {
*time = (gint)(remaining_capacity / current_rate * 60.0);
} else {
*time = (gint)((full_capacity - remaining_capacity) / current_rate * 60.0);
}
return TRUE;
}
static gboolean get_battery_time_estimation (gdouble remaining_capacity, gdouble y, gint *time)
{
if (estimation_remaining_capacity == -1) {
estimation_remaining_capacity = remaining_capacity;
}
/*
* y = mx + b ... x = (y - b) / m
* solving for when y = 0 (discharging) or full_capacity (charging)
*/
if (remaining_capacity != estimation_remaining_capacity) {
gdouble estimation_elapsed = g_timer_elapsed (estimation_timer, NULL);
gdouble estimation_current_rate = (remaining_capacity - estimation_remaining_capacity) / estimation_elapsed;
gdouble estimation_seconds = (y - remaining_capacity) / estimation_current_rate;
*time = (gint)(estimation_seconds / 60.0);
estimation_remaining_capacity = remaining_capacity;
estimation_time = *time;
g_timer_start (estimation_timer);
} else {
*time = estimation_time;
}
return TRUE;
}
static void reset_battery_time_estimation (void)
{
estimation_remaining_capacity = -1;
estimation_time = -1;
g_timer_start (estimation_timer);
}
/*
* tray icon functions
*/
static void create_tray_icon (void)
{
struct icon* tray_icon = g_malloc (sizeof(*tray_icon));
tray_icon->gtk_icon = gtk_status_icon_new ();
tray_icon->name = g_strdup("");
tray_icon->size = 0;
gtk_status_icon_set_tooltip_text (tray_icon->gtk_icon, CBATTICON_STRING);
gtk_status_icon_set_visible (tray_icon->gtk_icon, TRUE);
update_tray_icon (tray_icon);
g_timeout_add_seconds (configuration.update_interval, (GSourceFunc)update_tray_icon, (gpointer)tray_icon);
g_signal_connect (G_OBJECT (tray_icon->gtk_icon), "activate", G_CALLBACK (on_tray_icon_click), NULL);
g_signal_connect (G_OBJECT (tray_icon->gtk_icon), "size-changed", G_CALLBACK (resize_tray_icon), (gpointer)tray_icon);
}
static void set_tray_icon (struct icon *tray_icon, const gchar *name)
{
gint size = gtk_status_icon_get_size (tray_icon->gtk_icon);
if (size == tray_icon->size && (name == NULL || g_strcmp0 (name, tray_icon->name) == 0)) {
return;
}
tray_icon->size = size;
if (name != NULL)
{
g_free (tray_icon->name);
tray_icon->name = g_strdup (name);
}
GdkPixbuf *pix = gtk_icon_theme_load_icon (gtk_icon_theme_get_default(),
tray_icon->name,
tray_icon->size,
GTK_ICON_LOOKUP_USE_BUILTIN,
NULL);
gtk_status_icon_set_from_pixbuf (tray_icon->gtk_icon, pix);
}
static gboolean resize_tray_icon (GtkStatusIcon *gtk_icon, gint size, struct icon *tray_icon)
{
g_return_val_if_fail (tray_icon != NULL, FALSE);
set_tray_icon (tray_icon, NULL);
return TRUE;
}
static gboolean update_tray_icon (struct icon *tray_icon)
{
g_return_val_if_fail (tray_icon != NULL, FALSE);
update_tray_icon_status (tray_icon);
return TRUE;
}
static void update_tray_icon_status (struct icon *tray_icon)
{
GError *error = NULL;
gboolean battery_present = FALSE;
gboolean ac_online = FALSE;
gint battery_status = -1;
static gint old_battery_status = -1;
/* battery statuses: */
/* not present => ac_only, battery_missing */
/* present => charging, charged, discharging, unknown */
/* (present and not present are exclusive) */
static gboolean ac_only = FALSE;
static gboolean battery_low = FALSE;
static gboolean battery_critical = FALSE;
static gboolean spawn_command_low = FALSE;
static gboolean spawn_command_critical = FALSE;
gint percentage, time;
gchar *battery_string, *time_string;
#ifdef WITH_NOTIFY
static NotifyNotification *notification = NULL;
#endif
/* update power supplies */
if (changed_power_supplies () == TRUE)
{
get_power_supplies ();
old_battery_status = -1;
ac_only = FALSE;
battery_low = FALSE;
battery_critical = FALSE;
spawn_command_low = FALSE;
spawn_command_critical = FALSE;
}
/* update tray icon for AC only */
if (battery_path == NULL) {
if (ac_only == FALSE) {
ac_only = TRUE;
NOTIFY_MESSAGE (¬ification, _("AC only, no battery!"), NULL, NOTIFY_EXPIRES_NEVER, NOTIFY_URGENCY_NORMAL);
gtk_status_icon_set_tooltip_text (tray_icon->gtk_icon, _("AC only, no battery!"));
set_tray_icon (tray_icon, "ac-adapter");
}
return;
}
/* update tray icon for battery */
if (get_battery_present (battery_path, &battery_present) == FALSE) {
return;
}
if (battery_present == FALSE) {
battery_status = MISSING;
} else {
if (get_battery_status (&battery_status) == FALSE) {
return;
}
/* workaround for limited/bugged batteries/drivers */
/* that unduly return unknown status */
if (battery_status == UNKNOWN && get_ac_online (ac_path, &ac_online) == TRUE) {
if (ac_online == TRUE) {
battery_status = CHARGING;
if (get_battery_charge (FALSE, &percentage, NULL) == TRUE && percentage >= 99) {
battery_status = CHARGED;
}
} else {
battery_status = DISCHARGING;
}
}
}
#define HANDLE_BATTERY_STATUS(PCT,TIM,EXP,URG) \
\
percentage = PCT; \
\
battery_string = get_battery_string (battery_status, percentage); \
time_string = get_time_string (TIM); \
\
if (old_battery_status != battery_status) { \
old_battery_status = battery_status; \
NOTIFY_MESSAGE (¬ification, battery_string, time_string, EXP, URG); \
} \
\
gtk_status_icon_set_tooltip_text (tray_icon->gtk_icon, get_tooltip_string (battery_string, time_string)); \
set_tray_icon (tray_icon, get_icon_name (battery_status, percentage));
switch (battery_status) {
case MISSING:
HANDLE_BATTERY_STATUS (0, -1, NOTIFY_EXPIRES_NEVER, NOTIFY_URGENCY_NORMAL)
break;
case UNKNOWN:
HANDLE_BATTERY_STATUS (0, -1, NOTIFY_EXPIRES_DEFAULT, NOTIFY_URGENCY_NORMAL)
break;
case CHARGED:
HANDLE_BATTERY_STATUS (100, -1, NOTIFY_EXPIRES_DEFAULT, NOTIFY_URGENCY_NORMAL)
break;
case CHARGING:
if (old_battery_status != CHARGING && estimation_needed == TRUE) {
reset_battery_time_estimation ();
}
if (get_battery_charge (FALSE, &percentage, &time) == FALSE) {
return;
}
HANDLE_BATTERY_STATUS (percentage, time, NOTIFY_EXPIRES_DEFAULT, NOTIFY_URGENCY_NORMAL)
break;
case DISCHARGING:
case NOTCHARGING:
if (old_battery_status != DISCHARGING && estimation_needed == TRUE) {
reset_battery_time_estimation ();
}
if (get_battery_charge (TRUE, &percentage, &time) == FALSE) {
return;
}
battery_string = get_battery_string (battery_status, percentage);
time_string = get_time_string (time);
if (old_battery_status != DISCHARGING) {
old_battery_status = DISCHARGING;
NOTIFY_MESSAGE (¬ification, battery_string, time_string, NOTIFY_EXPIRES_DEFAULT, NOTIFY_URGENCY_NORMAL);
battery_low = FALSE;
battery_critical = FALSE;
spawn_command_low = FALSE;
spawn_command_critical = FALSE;
}
if (battery_low == FALSE && percentage <= configuration.low_level) {
battery_low = TRUE;
battery_string = get_battery_string (LOW_LEVEL, percentage);
NOTIFY_MESSAGE (¬ification, battery_string, time_string, NOTIFY_EXPIRES_NEVER, NOTIFY_URGENCY_NORMAL);
spawn_command_low = TRUE;
}
if (battery_critical == FALSE && percentage <= configuration.critical_level) {
battery_critical = TRUE;
battery_string = get_battery_string (CRITICAL_LEVEL, percentage);
NOTIFY_MESSAGE (¬ification, battery_string, time_string, NOTIFY_EXPIRES_NEVER, NOTIFY_URGENCY_CRITICAL);
spawn_command_critical = TRUE;
}
gtk_status_icon_set_tooltip_text (tray_icon->gtk_icon, get_tooltip_string (battery_string, time_string));
set_tray_icon (tray_icon, get_icon_name (battery_status, percentage));
if (spawn_command_low == TRUE) {
spawn_command_low = FALSE;
if (configuration.command_low_level != NULL) {
syslog (LOG_CRIT, _("Spawning low battery level command in 5 seconds: %s"), configuration.command_low_level);
g_usleep (G_USEC_PER_SEC * 5);
if (get_battery_status (&battery_status) == TRUE) {
if (battery_status != DISCHARGING && battery_status != NOTCHARGING) {
syslog (LOG_NOTICE, _("Skipping low battery level command, no longer discharging"));
return;
}
}
if (g_spawn_command_line_async (configuration.command_low_level, &error) == FALSE) {
syslog (LOG_CRIT, _("Cannot spawn low battery level command: %s\n"), error->message);
g_printerr (_("Cannot spawn low battery level command: %s\n"), error->message);
g_error_free (error); error = NULL;
#ifdef WITH_NOTIFY
static NotifyNotification *spawn_notification = NULL;
NOTIFY_MESSAGE (&spawn_notification, _("Cannot spawn low battery level command!"), configuration.command_low_level, NOTIFY_EXPIRES_NEVER, NOTIFY_URGENCY_CRITICAL);
#endif
}
}
}
if (spawn_command_critical == TRUE) {
spawn_command_critical = FALSE;
if (configuration.command_critical_level != NULL) {
syslog (LOG_CRIT, _("Spawning critical battery level command in 30 seconds: %s"), configuration.command_critical_level);
g_usleep (G_USEC_PER_SEC * 30);
if (get_battery_status (&battery_status) == TRUE) {
if (battery_status != DISCHARGING && battery_status != NOTCHARGING) {
syslog (LOG_NOTICE, _("Skipping critical battery level command, no longer discharging"));
return;
}
}
if (g_spawn_command_line_async (configuration.command_critical_level, &error) == FALSE) {
syslog (LOG_CRIT, _("Cannot spawn critical battery level command: %s\n"), error->message);
g_printerr (_("Cannot spawn critical battery level command: %s\n"), error->message);
g_error_free (error); error = NULL;
#ifdef WITH_NOTIFY