diff options
Diffstat (limited to 'bat_tray.c')
| -rw-r--r-- | bat_tray.c | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/bat_tray.c b/bat_tray.c new file mode 100644 index 0000000..ac8fc94 --- /dev/null +++ b/bat_tray.c @@ -0,0 +1,214 @@ +/************************************************************************ + * This file is part of trayfreq-archlinux. * + * * + * trayfreq-archlinux 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 3 of the * + * License, or (at your option) any later version. * + * * + * trayfreq-archlinux 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 trayfreq-archlinux. If not, see * + * <http://www.gnu.org/licenses/>. * + ************************************************************************/ + + +#include "bat_tray.h" + +#include <gtk/gtk.h> +#include <libintl.h> +#include "common.h" +#include "defaults.h" + + +static GtkStatusIcon* tray; + +int bat_num; // Shortcoming: we only detect one battery +char CHARGE_VALUE_PATH[FILE_PATH_SIZE]; +char CHARGE_STATE_PATH[FILE_PATH_SIZE]; + +/*********************************************************************** + * Return the battery level percentage + **********************************************************************/ +int get_bat_percent() +{ + return get_int_value_from_file(CHARGE_VALUE_PATH); +} + + +#define TOOLTIP_TEXT_SIZE 128 +char tooltip_text[TOOLTIP_TEXT_SIZE]; + + +/*********************************************************************** + * Updates the battery tray tooltip text + **********************************************************************/ +static gboolean update_tooltip(GtkStatusIcon* status_icon,gint x,gint y,gboolean keyboard_mode,GtkTooltip* tooltip,gpointer data) +{ + char msg[TOOLTIP_TEXT_SIZE]; + + switch(get_battery_state()) + { + case STATE_DISCHARGING: + debug("Discharging\n"); + sprintf(msg, _("Discharging (%d%%)"), get_bat_percent()); + break; + + case STATE_CHARGING: + debug("Charging\n"); + sprintf(msg, _("Charging (%d%%)"), get_bat_percent()); + break; + + case STATE_CHARGED: + debug("Charged\n"); + sprintf(msg, _("Fully charged") ); + break; + + default: + debug("Unknown\n"); + sprintf(msg, _("Unknown status") ); + break; + } + + debug("Setting tooltip text to '%s'\n",msg); + gtk_tooltip_set_text(tooltip, msg); + + return true; +} + + +/*********************************************************************** + * Updates the battery tray icon based upon battery percent + **********************************************************************/ +gboolean update_icon(gpointer user_data) +{ + char *icon_file; + char percent_string[4]; // worst case scenario 100 + \0 + unsigned int rounded; + + rounded = 20* (int)((get_bat_percent()+10)/20); // Round percentage to 0, 20, 40, 60, 80 or 100 + + debug("Rounded/adjusted percentage: %d\n",rounded); + sprintf(percent_string, "%d", rounded); + + switch ( get_battery_state() ) + { + case STATE_DISCHARGING: + icon_file = g_strconcat(_DEFAULT_THEME, "/traybat-", percent_string, ".png", NULL); + break; + + case STATE_CHARGING: + icon_file = g_strconcat(_DEFAULT_THEME, "/traybat-", percent_string, "-charging.png", NULL); + break; + + default: + icon_file = g_strconcat(_DEFAULT_THEME, "/traybat-charged.png", NULL); + break; + } + + debug("Setting tray icon to '%s'\n",icon_file); + gtk_status_icon_set_from_file(tray, icon_file); + return true; +} + + + +/*********************************************************************** + * Initialise the tray and related variables + **********************************************************************/ +void bat_tray_init() +{ + // Get the battery number, store it for later + bat_num = get_bat_num(); + + // Set up battery info filenames/paths + sprintf(CHARGE_VALUE_PATH, "/sys/class/power_supply/BAT%d/capacity", bat_num); + sprintf(CHARGE_STATE_PATH, "/sys/class/power_supply/BAT%d/status", bat_num); + + debug("Spawning new status icon\n"); + tray = gtk_status_icon_new(); + char* icon_file = g_strconcat(_DEFAULT_THEME, "/traybat-charged.png", NULL); + gtk_status_icon_set_from_file(tray, icon_file); + gtk_status_icon_set_has_tooltip (tray, TRUE); + g_signal_connect(G_OBJECT(tray), "query-tooltip", GTK_SIGNAL_FUNC(update_tooltip), NULL); + g_timeout_add(5000, update_icon, NULL); +} + + +/*********************************************************************** + * Show the battery tray + **********************************************************************/ +void bat_tray_show() +{ + debug("Showing tray\n"); + gtk_status_icon_set_visible(tray, TRUE); +} + + +/*********************************************************************** + * Hide the battery tray + **********************************************************************/ +void bat_tray_hide() +{ + debug("Hiding tray\n"); + gtk_status_icon_set_visible(tray, FALSE); +} + + +/*********************************************************************** + * Return the battery state + **********************************************************************/ +int get_battery_state() +{ + if (file_has_line(CHARGE_STATE_PATH, "Discharging")) + { + debug("Battery discharging\n"); + return STATE_DISCHARGING; + } + + if (file_has_line(CHARGE_STATE_PATH, "Full")) + { + debug("Battery full\n"); + return STATE_CHARGED; + } + + if (file_has_line(CHARGE_STATE_PATH, "Charging")) + { + debug("Battery charging\n"); + return STATE_CHARGING; + } + debug("Fallthrough: unknown status\n"); + return STATE_UNKNOWN; +} + +/*********************************************************************** + * Get the number of the first (who has more than one?) battery + * Returns -1 if no battery present + **********************************************************************/ +int get_bat_num() +{ + FILE* fd; + gchar file[40]; + unsigned int i; + for(i = 0; i < 3; i++) + { + sprintf(file, "/sys/class/power_supply/BAT%d/present", i); + debug("Attempting to open '%s'\n",file); + if( (fd = fopen(file, "r")) ) + { + debug("Found battery %d\n",i); + if (fgetc(fd) == '1') + { + debug("Battery %d is present\n",i); + fclose(fd); + return i; + } + } + } + debug("Fallthrough: couldn't find battery\n"); + return -1; +} |