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-rw-r--r--bat_tray.c216
1 files changed, 216 insertions, 0 deletions
diff --git a/bat_tray.c b/bat_tray.c
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+++ b/bat_tray.c
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+/************************************************************************
+ * 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 <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <libintl.h>
+
+static GtkStatusIcon* tray;
+
+int _BAT_NUM;
+char CHARGE_VALUE_PATH[512];
+char CHARGE_STATE_PATH[512];
+
+/***********************************************************************
+ * Return the battery level percentage
+ **********************************************************************/
+//#define get_bat_percent() get_int_value_from_file(CHARGE_VALUE_PATH);
+int get_bat_percent(){return get_int_value_from_file(CHARGE_VALUE_PATH); }
+
+
+#define TOOLTIP_TEXT_SIZE 128
+gchar 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)
+{
+ gchar msg[TOOLTIP_TEXT_SIZE];
+ //memset(msg,0,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
+ **********************************************************************/
+static gboolean update_icon(gpointer user_data)
+{
+ gchar* icon_file;
+ unsigned int percent = get_bat_percent();
+ unsigned int adjusted_percent;
+ gchar adjusted_percent_string[4];
+
+
+ // TO DO: do this with rounding and divisio etc
+ if(percent > 90)
+ adjusted_percent=100;
+ else if(percent > 70)
+ adjusted_percent=80;
+ else if(percent > 50)
+ adjusted_percent=60;
+ else if(percent > 30)
+ adjusted_percent=40;
+ else if(percent > 10)
+ adjusted_percent=20;
+ else
+ adjusted_percent=0;
+
+ debug("Rounded/adjusted percentage: %d\n",adjusted_percent);
+ sprintf(adjusted_percent_string, "%d", adjusted_percent);
+
+ switch ( get_battery_state() )
+ {
+ case STATE_DISCHARGING:
+ icon_file = g_strconcat("/usr/share/trayfreq/traybat-", adjusted_percent_string, ".png", NULL);
+ break;
+ case STATE_CHARGING:
+ icon_file = g_strconcat("/usr/share/trayfreq/traybat-", adjusted_percent_string, "-charging.png", NULL);
+ break;
+
+ default:
+ icon_file = g_strconcat("/usr/share/trayfreq/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;
+}
+
+
+
+
+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();
+ gchar* icon_file = g_strconcat("/usr/share/trayfreq/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);
+}
+
+
+void bat_tray_show()
+{
+ debug("Showing tray\n");
+ gtk_status_icon_set_visible(tray, TRUE);
+}
+
+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;
+}