aboutsummaryrefslogtreecommitdiff
path: root/bat_tray.c
diff options
context:
space:
mode:
Diffstat (limited to 'bat_tray.c')
-rw-r--r--bat_tray.c214
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;
+}