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-rw-r--r--sensors-applet/sensors-applet.c1451
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diff --git a/sensors-applet/sensors-applet.c b/sensors-applet/sensors-applet.c
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--- /dev/null
+++ b/sensors-applet/sensors-applet.c
@@ -0,0 +1,1451 @@
+/*
+ * Copyright (C) 2005-2009 Alex Murray <[email protected]>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/** Contain the functions for operating on the SensorsApplet structure
+ * (represents the applet itself, and its associated variables.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#include <gnome.h>
+#include <glib/gprintf.h>
+#include "sensors-applet.h"
+#include "active-sensor.h"
+#include "sensors-applet-gconf.h"
+#include "sensors-applet-plugins.h"
+
+#ifdef HAVE_LIBNOTIFY
+#include "active-sensor-libnotify.h"
+#define DEFAULT_NOTIFY_TIMEOUT 3000
+#endif
+
+#include "prefs-dialog.h"
+#include "about-dialog.h"
+
+#define SENSORS_APPLET_MENU_FILE "SensorsApplet.xml"
+#define DEFAULT_APPLET_SIZE 24 /* initially set as
+ * sensors_applet->size to ensure a
+ * real value is stored */
+#define COLUMN_SPACING 2
+#define ROW_SPACING 0
+
+/* callbacks for panel menu */
+static void prefs_cb(BonoboUIComponent *uic,
+ gpointer *data,
+ const gchar *verbname) {
+
+ SensorsApplet *sensors_applet;
+ sensors_applet = (SensorsApplet *)data;
+
+ if (sensors_applet->prefs_dialog) {
+ gtk_window_present(GTK_WINDOW(sensors_applet->prefs_dialog->dialog));
+ return;
+ }
+ prefs_dialog_open(sensors_applet);
+}
+
+static void about_cb(BonoboUIComponent *uic,
+ gpointer data,
+ const gchar *verbname) {
+ SensorsApplet *sensors_applet;
+ sensors_applet = (SensorsApplet *)data;
+
+ about_dialog_open(sensors_applet);
+}
+
+static void help_cb(BonoboUIComponent *uic,
+ gpointer data,
+ const gchar *verbname) {
+
+ GError *error = NULL;
+
+ gtk_show_uri(NULL, "ghelp:sensors-applet",
+ gtk_get_current_event_time(),
+ &error);
+
+ if (error) {
+ g_debug("Could not open help document: %s ",error->message);
+ g_error_free(error);
+ }
+}
+
+static void destroy_cb(GtkWidget *widget, gpointer data) {
+ SensorsApplet *sensors_applet;
+ sensors_applet = (SensorsApplet *)data;
+
+ /* destory dialogs, remove timeout and clear sensors tree and finally
+ * the applet */
+ if (sensors_applet->prefs_dialog != NULL) {
+ // destroy's dialog too
+ prefs_dialog_close(sensors_applet);
+ }
+
+ if (sensors_applet->timeout_id) {
+ g_source_remove(sensors_applet->timeout_id);
+ }
+
+ // destroy all active sensors
+ g_list_foreach(sensors_applet->active_sensors,
+ (GFunc)active_sensor_destroy,
+ NULL);
+
+ if (sensors_applet->sensors != NULL) {
+ gtk_tree_store_clear(sensors_applet->sensors);
+ }
+
+ gtk_widget_destroy(GTK_WIDGET(sensors_applet->applet));
+
+ g_free(sensors_applet);
+ return;
+}
+
+static void change_background_cb(PanelApplet *applet,
+ PanelAppletBackgroundType type,
+ GdkColor *color,
+ GdkPixmap *pixmap,
+ gpointer *data) {
+ GtkRcStyle *rc_style;
+ GtkStyle *style;
+
+ g_debug("change-background occurred");
+
+ /* reset style */
+ gtk_widget_set_style(GTK_WIDGET(applet), NULL);
+ rc_style = gtk_rc_style_new();
+ gtk_widget_modify_style(GTK_WIDGET(applet), rc_style);
+ gtk_rc_style_unref(rc_style);
+
+ switch(type) {
+ case PANEL_COLOR_BACKGROUND:
+ gtk_widget_modify_bg(GTK_WIDGET(applet),
+ GTK_STATE_NORMAL, color);
+ break;
+
+ case PANEL_PIXMAP_BACKGROUND:
+ style = gtk_style_copy(GTK_WIDGET(applet)->style);
+ if (style->bg_pixmap[GTK_STATE_NORMAL]) {
+ g_object_unref(style->bg_pixmap[GTK_STATE_NORMAL]);
+ }
+ style->bg_pixmap[GTK_STATE_NORMAL] = g_object_ref(pixmap);
+ gtk_widget_set_style(GTK_WIDGET(applet), style);
+ g_object_unref(style);
+ break;
+
+ case PANEL_NO_BACKGROUND:
+ /* fall through */
+ default:
+ break;
+ }
+}
+
+static void change_orient_cb (PanelApplet *applet,
+ PanelAppletOrient orient,
+ gpointer data) {
+ SensorsApplet *sensors_applet;
+ sensors_applet = (SensorsApplet *)data;
+
+ sensors_applet_display_layout_changed(sensors_applet);
+}
+
+static void size_allocate_cb(PanelApplet *applet,
+ GtkAllocation *allocation,
+ gpointer data) {
+ SensorsApplet *sensors_applet;
+ PanelAppletOrient orient;
+
+ g_debug("size-allocate occurred");
+ sensors_applet = (SensorsApplet *)data;
+ orient = panel_applet_get_orient(sensors_applet->applet);
+
+ if ((orient == PANEL_APPLET_ORIENT_LEFT) ||
+ (orient == PANEL_APPLET_ORIENT_RIGHT)) {
+ if (sensors_applet->size == allocation->width)
+ return;
+ sensors_applet->size = allocation->width;
+ } else {
+ if (sensors_applet->size == allocation->height)
+ return;
+ sensors_applet->size = allocation->height;
+ }
+ /* update if new value */
+ sensors_applet_graph_size_changed(sensors_applet);
+ sensors_applet_display_layout_changed(sensors_applet);
+}
+
+static void style_set_cb(GtkWidget *widget,
+ GtkStyle *old_style,
+ gpointer data) {
+
+ /* update all icons in the sensors tree and update all active
+ * sensors */
+ GtkTreeIter interfaces_iter, sensors_iter;
+ GtkTreePath *path;
+ gboolean not_end_of_interfaces = TRUE, not_end_of_sensors = TRUE;
+ IconType icon_type;
+ GdkPixbuf *new_icon;
+ gboolean enabled;
+ SensorsApplet *sensors_applet;
+ DisplayMode display_mode;
+
+ sensors_applet = (SensorsApplet *)data;
+
+ g_debug("set-style occurred");
+
+ display_mode = panel_applet_gconf_get_int(sensors_applet->applet,
+ DISPLAY_MODE,
+ NULL);
+ if (sensors_applet->sensors) {
+ for (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(sensors_applet->sensors), &interfaces_iter); not_end_of_interfaces; not_end_of_interfaces = gtk_tree_model_iter_next(GTK_TREE_MODEL(sensors_applet->sensors), &interfaces_iter)) {
+
+ /* reset sensors sentinel */
+ not_end_of_sensors = TRUE;
+
+ for (gtk_tree_model_iter_children(GTK_TREE_MODEL(sensors_applet->sensors), &sensors_iter, &interfaces_iter); not_end_of_sensors; not_end_of_sensors = gtk_tree_model_iter_next(GTK_TREE_MODEL(sensors_applet->sensors), &sensors_iter)) {
+ gtk_tree_model_get(GTK_TREE_MODEL(sensors_applet->sensors),
+ &sensors_iter,
+ ENABLE_COLUMN, &enabled,
+ ICON_TYPE_COLUMN, &icon_type,
+ -1);
+ /* update icons */
+ new_icon = sensors_applet_load_icon(icon_type);
+
+ gtk_tree_store_set(sensors_applet->sensors,
+ &sensors_iter,
+ ICON_PIXBUF_COLUMN, new_icon,
+ -1);
+ g_object_unref(new_icon);
+
+ /* update icons only if currently being
+ * displayed */
+ if (enabled &&
+ (display_mode == DISPLAY_ICON ||
+ display_mode == DISPLAY_ICON_WITH_VALUE)) {
+ path = gtk_tree_model_get_path(GTK_TREE_MODEL(sensors_applet->sensors),
+ &sensors_iter);
+ sensors_applet_icon_changed(sensors_applet,
+ path);
+ gtk_tree_path_free(path);
+ }
+ }
+ }
+ /* now update layout as size may have changed */
+ sensors_applet_display_layout_changed(sensors_applet);
+ }
+
+}
+
+static const BonoboUIVerb sensors_applet_menu_verbs[] = {
+ BONOBO_UI_UNSAFE_VERB("Preferences", prefs_cb),
+ BONOBO_UI_UNSAFE_VERB ("Help", help_cb),
+ BONOBO_UI_UNSAFE_VERB("About", about_cb),
+ BONOBO_UI_VERB_END
+};
+
+#ifdef HAVE_LIBNOTIFY
+static void notif_closed_cb(NotifyNotification *notification,
+ SensorsApplet *sensors_applet)
+{
+ g_assert(sensors_applet);
+
+ sensors_applet->notification = NULL;
+}
+#endif // HAVE_LIBNOTIFY
+
+void sensors_applet_notify(SensorsApplet *sensors_applet,
+ NotifType notif_type)
+{
+#ifdef HAVE_LIBNOTIFY
+ gchar *message;
+ gchar *summary;
+ GError *error = NULL;
+ g_assert(sensors_applet);
+
+ if (!notify_is_initted()) {
+ if (!notify_init(PACKAGE)) {
+ return;
+ }
+ }
+
+ if (sensors_applet->notification) {
+ g_debug("notification already shown, not showing another one...");
+ return;
+ }
+
+ switch (notif_type) {
+ case GCONF_READ_ERROR:
+ summary = g_strdup_printf(_("Error restoring saved sensor configuration."));
+ message = g_strdup_printf(_("An error occurred while trying to restore the saved sensor configuration. The previous configuration has been lost and will need to be re-entered."));
+ break;
+
+ case GCONF_WRITE_ERROR:
+ summary = g_strdup_printf(_("Error saving sensor configuration."));
+ message = g_strdup_printf(_("An error occurred while trying to save the current sensor configuration. "));
+ break;
+ }
+
+ sensors_applet->notification = notify_notification_new(summary,
+ message,
+ GTK_STOCK_DIALOG_WARNING,
+ GTK_WIDGET(sensors_applet->applet));
+ g_free(summary);
+ g_free(message);
+
+ g_signal_connect(sensors_applet->notification,
+ "closed",
+ G_CALLBACK(notif_closed_cb),
+ sensors_applet);
+ g_debug("showing notification");
+ if (!notify_notification_show(sensors_applet->notification, &error)) {
+ g_debug("Error showing notification: %s", error->message);
+ g_error_free(error);
+ }
+#endif // HAVE_LIBNOTIFY
+}
+
+
+void sensors_applet_notify_active_sensor(ActiveSensor *active_sensor, NotifType notif_type) {
+#ifdef HAVE_LIBNOTIFY
+
+ SensorsApplet *sensors_applet;
+ GList *table_children;
+ GtkWidget *attach = NULL;
+ gchar *summary, *message;
+ gint timeout_msecs;
+ gchar *sensor_label;
+ gchar *sensor_path;
+ SensorType sensor_type;
+ TemperatureScale temp_scale;
+ GtkTreeIter iter;
+ GtkTreePath *path;
+ const gchar *unit_type = NULL;
+ const gchar *unit_type_title = NULL;
+ const gchar *relation = NULL;
+ const gchar *limit_type = NULL;
+ const gchar *units = NULL;
+ gdouble limit_value;
+
+ sensors_applet = active_sensor->sensors_applet;
+
+ if (!panel_applet_gconf_get_bool(sensors_applet->applet,
+ DISPLAY_NOTIFICATIONS,
+ NULL)) {
+ g_debug("Wanted to display notification, but user has disabled them");
+ return;
+ }
+
+ table_children = gtk_container_get_children(GTK_CONTAINER(sensors_applet->table));
+
+ if (g_list_find(table_children, active_sensor->icon)) {
+ attach = GTK_WIDGET(active_sensor->icon);
+ } else if (g_list_find(table_children, active_sensor->label)) {
+ attach = GTK_WIDGET(active_sensor->label);
+ } else if (g_list_find(table_children, active_sensor->value)) {
+ attach = GTK_WIDGET(active_sensor->value);
+ } else if (g_list_find(table_children, active_sensor->graph)) {
+ attach = GTK_WIDGET(active_sensor->graph);
+ } else {
+ g_warning("Wanted to do notify for a sensor which has no elements in the table!!!");
+ return;
+ }
+ g_list_free(table_children);
+
+ path = gtk_tree_row_reference_get_path(active_sensor->sensor_row);
+ if (gtk_tree_model_get_iter(GTK_TREE_MODEL(sensors_applet->sensors),
+ &iter, path)) {
+ gtk_tree_model_get(GTK_TREE_MODEL(sensors_applet->sensors), &iter,
+ LABEL_COLUMN, &sensor_label,
+ PATH_COLUMN, &sensor_path,
+ SENSOR_TYPE_COLUMN, &sensor_type,
+ -1);
+ } else {
+ g_warning("Error getting data from tree for notification...");
+ gtk_tree_path_free(path);
+ return;
+ }
+ gtk_tree_path_free(path);
+
+ // do different stuff for different notif types
+ switch (notif_type) {
+ case LOW_ALARM: // fall thru
+ case HIGH_ALARM:
+ if (active_sensor->sensor_values[0] <= active_sensor->sensor_low_value &&
+ notif_type == LOW_ALARM) {
+ relation = _("is very low");
+ limit_type = _("lower limit");
+ limit_value = active_sensor->sensor_low_value;
+ } else if (active_sensor->sensor_values[0] >= active_sensor->sensor_high_value &&
+ notif_type == HIGH_ALARM) {
+ /* assume high alarm condition */
+ relation = _("is very high");
+ limit_type = _("upper limit");
+ limit_value = active_sensor->sensor_high_value;
+ } else {
+ g_warning("Alarm notify called when no alarm condition!");
+ g_free(sensor_path);
+ g_free(sensor_label);
+ return;
+ }
+
+ switch ((SensorType)sensor_type) {
+ case TEMP_SENSOR:
+ unit_type_title = _("Temperature");
+ unit_type = _("temperature");
+ temp_scale = (TemperatureScale)panel_applet_gconf_get_int(active_sensor->sensors_applet->applet,
+ TEMPERATURE_SCALE,
+ NULL);
+
+ switch (temp_scale) {
+ case CELSIUS:
+ units = UNITS_CELSIUS;
+ break;
+ case FAHRENHEIT:
+ units = UNITS_FAHRENHEIT;
+ break;
+ case KELVIN:
+ units = UNITS_KELVIN;
+ break;
+ default:
+ units = NULL;
+ }
+
+ break;
+ case VOLTAGE_SENSOR:
+ unit_type_title = _("Voltage");
+ unit_type = _("voltage");
+ units = UNITS_VOLTAGE;
+ break;
+ case FAN_SENSOR:
+ unit_type_title = _("Fan Speed");
+ unit_type = _("fan speed");
+ units = UNITS_RPM;
+ break;
+ case CURRENT_SENSOR:
+ unit_type_title = _("Current");
+ unit_type = _("current");
+ units = UNITS_CURRENT;
+ break;
+ }
+
+ timeout_msecs = (active_sensor->alarm_timeout ? MIN(DEFAULT_NOTIFY_TIMEOUT, (active_sensor->alarm_timeout * 1000)) : DEFAULT_NOTIFY_TIMEOUT);
+
+ summary = g_strdup_printf("%s %s %s", sensor_label, unit_type_title, _("Alarm"));
+ message = g_strdup_printf("%s %s %s (%s %2.0f%s)", sensor_label, unit_type,
+ relation, limit_type, limit_value, units);
+ break;
+
+ case SENSOR_INTERFACE_ERROR:
+ summary = g_strdup_printf(_("Error updating sensor %s"), sensor_label);
+ message = g_strdup_printf(_("An error occurred while trying to update the value of the sensor %s located at %s."), sensor_label, sensor_path);
+ timeout_msecs = panel_applet_gconf_get_int(active_sensor->sensors_applet->applet,
+ TIMEOUT,
+ NULL);
+
+ break;
+
+ default:
+ g_assert_not_reached();
+ }
+
+ active_sensor_libnotify_notify(active_sensor,
+ notif_type,
+ summary,
+ message,
+ GTK_STOCK_DIALOG_WARNING,
+ timeout_msecs,
+ attach);
+
+ g_free(sensor_path);
+ g_free(sensor_label);
+ g_free(summary);
+ g_free(message);
+#endif
+}
+
+void sensors_applet_notify_end(ActiveSensor *active_sensor,
+ NotifType notif_type) {
+#ifdef HAVE_LIBNOTIFY
+ active_sensor_libnotify_notify_end(active_sensor, notif_type);
+#endif
+}
+
+#ifdef HAVE_LIBNOTIFY
+static void sensors_applet_notify_end_all_gfunc(ActiveSensor *active_sensor,
+ gpointer data) {
+ active_sensor_libnotify_notify_end(active_sensor, LOW_ALARM);
+ active_sensor_libnotify_notify_end(active_sensor, HIGH_ALARM);
+}
+#endif
+
+void sensors_applet_notify_end_all(SensorsApplet *sensors_applet) {
+#ifdef HAVE_LIBNOTIFY
+ g_list_foreach(sensors_applet->active_sensors,
+ (GFunc)sensors_applet_notify_end_all_gfunc,
+ NULL);
+#endif
+}
+
+/* internal helper functions for updating display etc*/
+
+
+/* should be called as a g_container_foreach at the start of
+ * pack_display if ythe table already exists to remove but keep alive
+ * all children of the table before repacking it */
+static void sensors_applet_pack_display_empty_table_cb(GtkWidget *widget,
+ gpointer data) {
+ GtkContainer *container;
+
+ container = GTK_CONTAINER(data);
+
+ /* ref then remove widget */
+ g_object_ref(widget);
+ gtk_container_remove(container, widget);
+}
+
+/* should be called as a g_container_foreach at the end of
+ * pack_display to unref any of the old children that we have readdded
+ * to the table to stop reference creep from the g_object_ref called
+ * on each child at the start of pack labels */
+static void sensors_applet_pack_display_cleanup_refs_cb(GtkWidget *widget,
+ gpointer data) {
+
+ GList *old_children;
+
+ old_children = (GList *)data;
+ if (g_list_find(old_children, widget)) {
+ g_object_unref(widget);
+ }
+}
+
+static void sensors_applet_pack_display(SensorsApplet *sensors_applet) {
+ /* note the if () around each widget is to ensure we only
+ * operate on those that actually exist */
+ GtkLabel *no_sensors_enabled_label = NULL;
+ gint num_active_sensors = 0, num_sensors_per_group, rows, cols, i, j;
+ GList *old_table_children = NULL;
+
+ GList *current_sensor;
+
+ DisplayMode display_mode;
+ LayoutMode layout_mode;
+
+ gboolean horizontal;
+ gint label_width, icon_width, value_width;
+ gint label_height, icon_height, value_height;
+
+ GtkRequisition req;
+
+ ActiveSensor *first_sensor;
+
+ /* it is possible that there could be no active sensors so
+ * handle that case first - make sure we dont do a NULL
+ * pointer access first though */
+ if (sensors_applet->active_sensors == NULL ||
+ g_list_length(sensors_applet->active_sensors) == 0) {
+ g_debug("no active sensors to pack in table");
+ no_sensors_enabled_label = g_object_new(GTK_TYPE_LABEL,
+ "label", _("No sensors enabled!"),
+ NULL);
+
+ if (sensors_applet->table == NULL) {
+ /* only need 1 row and 1 col */
+ sensors_applet->table = gtk_table_new(1, 1, FALSE);
+ gtk_table_set_col_spacings(GTK_TABLE(sensors_applet->table), COLUMN_SPACING);
+ gtk_table_set_row_spacings(GTK_TABLE(sensors_applet->table), ROW_SPACING);
+ /* add table to applet */
+ gtk_container_add(GTK_CONTAINER(sensors_applet->applet), sensors_applet->table);
+
+ } else {
+ /* destroy existing widgets - could be an
+ * existing version of no sensors label - okay
+ * to just add again though if destory fist */
+ g_debug("destorying any existing widgets in container");
+ gtk_container_foreach(GTK_CONTAINER(sensors_applet->table),
+ (GtkCallback)gtk_widget_destroy,
+ NULL);
+ /* make sure only 1x1 table */
+ gtk_table_resize(GTK_TABLE(sensors_applet->table),
+ 1, 1);
+ }
+ g_debug("packing no sensors enabled label");
+ gtk_table_attach_defaults(GTK_TABLE(sensors_applet->table),
+ GTK_WIDGET(no_sensors_enabled_label),
+ 0, 1,
+ 0, 1);
+ gtk_widget_show_all(GTK_WIDGET(sensors_applet->applet));
+ return;
+
+ }
+ /* otherwise can acess active_sensors without any worries */
+ num_active_sensors = g_list_length(sensors_applet->active_sensors);
+
+ display_mode = (DisplayMode)panel_applet_gconf_get_int(sensors_applet->applet,
+ DISPLAY_MODE, NULL);
+ layout_mode = (LayoutMode)panel_applet_gconf_get_int(sensors_applet->applet,
+ LAYOUT_MODE, NULL);
+
+
+ horizontal = (((panel_applet_get_orient(sensors_applet->applet) == PANEL_APPLET_ORIENT_UP) ||
+ (panel_applet_get_orient(sensors_applet->applet) == PANEL_APPLET_ORIENT_DOWN)));
+
+ /* figure out num rows / cols by how high / wide sensors
+ * labels / icons are and how much size we have to put them
+ * in */
+
+ /* get the first active sensor */
+ first_sensor = (ActiveSensor *)sensors_applet->active_sensors->data;
+
+
+ switch (display_mode) {
+ case DISPLAY_VALUE:
+ gtk_widget_size_request(GTK_WIDGET(first_sensor->value),
+ &req);
+ value_width = req.width + COLUMN_SPACING;
+ value_height = req.height + ROW_SPACING;
+
+ /* make sure all widths and heights are non zero,
+ * otherwise will get a divide by zero exception below
+ * - is a non critical error since can happen when
+ * elements first added to list, so simply return - is
+ * not a programming error */
+ if (value_width == 0 && value_height == 0) {
+ return;
+ }
+
+ num_sensors_per_group = (sensors_applet->size /
+ (horizontal ? value_height :
+ value_width));
+ break;
+
+ case DISPLAY_LABEL_WITH_VALUE:
+ /* even though we end up packing the event boxes into the
+ * panel, these dont give back request sizes, so need to ask
+ * widgets directly */
+ gtk_widget_size_request(GTK_WIDGET(first_sensor->value),
+ &req);
+ value_width = req.width + COLUMN_SPACING;
+ value_height = req.height + ROW_SPACING;
+
+ gtk_widget_size_request(GTK_WIDGET(first_sensor->label),
+ &req);
+ label_width = req.width + COLUMN_SPACING;
+ label_height = req.height + ROW_SPACING;
+
+ /* make sure all widths and heights are non zero, otherwise
+ * will get a divide by zero exception below
+ * - is a non critical error since can happen when
+ * elements first added to list, so simply return - is
+ * not a programming error */
+ if (!(label_width && label_height &&
+ value_width && value_height)) {
+ return;
+ }
+
+ switch (layout_mode) {
+ case VALUE_BESIDE_LABEL:
+ num_sensors_per_group = (sensors_applet->size /
+ (horizontal ? MAX(label_height, value_height) :
+ (label_width + value_width)));
+ break;
+ case VALUE_BELOW_LABEL:
+ num_sensors_per_group = (sensors_applet->size /
+ (horizontal ? (label_height + value_height) :
+ MAX(label_width, value_width)));
+
+
+ break;
+ }
+ break;
+
+ case DISPLAY_ICON_WITH_VALUE:
+ gtk_widget_size_request(GTK_WIDGET(first_sensor->value),
+ &req);
+ value_width = req.width + COLUMN_SPACING;
+ value_height = req.height + ROW_SPACING;
+
+ gtk_widget_size_request(GTK_WIDGET(first_sensor->icon),
+ &req);
+ icon_width = req.width + COLUMN_SPACING;
+ icon_height = req.height + ROW_SPACING;
+
+ if (!(icon_width && icon_height &&
+ value_width && value_height)) {
+ return;
+ }
+
+ switch (layout_mode) {
+ case VALUE_BESIDE_LABEL:
+ num_sensors_per_group = (sensors_applet->size /
+ (horizontal ? MAX(icon_height, value_height) :
+ (icon_width + value_width)));
+ break;
+ case VALUE_BELOW_LABEL:
+ num_sensors_per_group = (sensors_applet->size /
+ (horizontal ? (icon_height + value_height) :
+ MAX(icon_width, value_width)));
+
+
+ break;
+ }
+ break;
+
+ case DISPLAY_ICON:
+ gtk_widget_size_request(GTK_WIDGET(first_sensor->icon),
+ &req);
+ icon_width = req.width + COLUMN_SPACING;
+ icon_height = req.height + ROW_SPACING;
+ if (!(icon_width && icon_height)) {
+ return;
+ }
+
+ num_sensors_per_group = (sensors_applet->size /
+ (horizontal ? icon_height :
+ icon_width));
+ break;
+
+ case DISPLAY_GRAPH:
+ /* only show graphs in a line like System Monitor
+ * applet */
+ num_sensors_per_group = 1;
+ break;
+ }
+ /* ensure always atleast 1 sensor per group */
+ if (num_sensors_per_group < 1) {
+ /* force a better layout */
+ if (horizontal && layout_mode == VALUE_BELOW_LABEL) {
+ layout_mode = VALUE_BESIDE_LABEL;
+ } else if (!horizontal && layout_mode == VALUE_BESIDE_LABEL) {
+ layout_mode = VALUE_BELOW_LABEL;
+ }
+ num_sensors_per_group = 1;
+ }
+
+ if (horizontal) {
+ /* if oriented horizontally, want as many
+ sensors per column as user has defined, then
+ enough columns to hold all the widgets */
+ rows = num_sensors_per_group;
+ cols = num_active_sensors / num_sensors_per_group;
+ while (rows * cols < num_active_sensors || cols == 0) {
+ cols++;
+ }
+
+ } else {
+ /* if oriented vertically, want as many
+ sensors per row as user has defined, then
+ enough rows to hold all the widgets*/
+ cols = num_sensors_per_group;
+ rows = num_active_sensors / num_sensors_per_group;
+ while (rows * cols < num_active_sensors || rows == 0) {
+ rows++;
+ }
+
+ }
+
+ /* if displaying labels / icons and values need to modify
+ number of rows / colums to accomodate this */
+ if (display_mode == DISPLAY_LABEL_WITH_VALUE ||
+ display_mode == DISPLAY_ICON_WITH_VALUE) {
+ if (layout_mode == VALUE_BESIDE_LABEL) {
+ /* to display labels next to values need twice
+ as many columns */
+ cols *= 2;
+ } else {
+ /* to display labels above values, we need
+ * twice as many rows as without */
+ rows *= 2;
+ }
+ }
+
+ if (sensors_applet->table == NULL) {
+ /* create table and add to applet */
+ sensors_applet->table = gtk_table_new(rows, cols, FALSE);
+ gtk_table_set_col_spacings(GTK_TABLE(sensors_applet->table), COLUMN_SPACING);
+ gtk_table_set_row_spacings(GTK_TABLE(sensors_applet->table), ROW_SPACING);
+ gtk_container_add(GTK_CONTAINER(sensors_applet->applet), sensors_applet->table);
+ } else {
+ /* remove all children if table already exists so we can start
+ * again */
+ /* save a list of the old children for later */
+ old_table_children = gtk_container_get_children(GTK_CONTAINER(sensors_applet->table));
+
+ gtk_container_foreach(GTK_CONTAINER(sensors_applet->table),
+ sensors_applet_pack_display_empty_table_cb,
+ sensors_applet->table);
+
+ /* then resize table */
+ gtk_table_resize(GTK_TABLE(sensors_applet->table), rows, cols);
+ }
+
+ /* pack icons / labels and values into table */
+ current_sensor = sensors_applet->active_sensors;
+
+ /* if showing labels / icons and values, need to pack labels /
+ * icons these first */
+ if (display_mode == DISPLAY_ICON_WITH_VALUE ||
+ display_mode == DISPLAY_LABEL_WITH_VALUE) {
+ /* loop through columns */
+ for (i = 0; current_sensor != NULL && i < cols; /* increments depends on how we lay them out - see below */) {
+
+ /* loop through rows in a column */
+ for (j = 0; current_sensor && j < rows; /* see bottom of for loop*/) {
+ /* attach label / icon at this point */
+ if (display_mode == DISPLAY_ICON_WITH_VALUE) {
+ if (((ActiveSensor *)(current_sensor->data))->icon) {
+ gtk_table_attach_defaults(GTK_TABLE(sensors_applet->table),
+ ((ActiveSensor *)(current_sensor->data))->icon,
+ i, i + 1,
+ j, j + 1);
+ }
+ } else {
+ if (((ActiveSensor *)(current_sensor->data))->label) {
+ gtk_table_attach_defaults(GTK_TABLE(sensors_applet->table),
+ ((ActiveSensor *)(current_sensor->data))->label,
+ i, i + 1,
+ j, j + 1);
+ }
+ }
+ /* now attach sensor value to either
+ row below or column next to */
+ if (layout_mode == VALUE_BESIDE_LABEL) {
+ /* left align labels */
+ if (((ActiveSensor *)(current_sensor->data))->icon) {
+ gtk_misc_set_alignment(GTK_MISC(((ActiveSensor *)(current_sensor->data))->icon), 0.0, 0.5);
+ }
+ if (((ActiveSensor *)(current_sensor->data))->label) {
+ gtk_misc_set_alignment(GTK_MISC(((ActiveSensor *)(current_sensor->data))->label), 0.0, 0.5);
+ }
+ if (((ActiveSensor *)(current_sensor->data))->value) {
+ gtk_misc_set_alignment(GTK_MISC(((ActiveSensor *)(current_sensor->data))->value), 0.0, 0.5);
+ }
+
+
+ /* place value next to label */
+ if (((ActiveSensor *)(current_sensor->data))->value) {
+ gtk_table_attach_defaults(GTK_TABLE(sensors_applet->table),
+ ((ActiveSensor *)(current_sensor->data))->value,
+ i + 1, i + 2,
+ j, j + 1);
+ }
+ j++;
+ } else { /* place value below label */
+ /* center align labels */
+ if (((ActiveSensor *)(current_sensor->data))->icon) {
+ gtk_misc_set_alignment(GTK_MISC(((ActiveSensor *)(current_sensor->data))->icon), 0.5, 0.5);
+ }
+ if (((ActiveSensor *)(current_sensor->data))->label) {
+ gtk_misc_set_alignment(GTK_MISC(((ActiveSensor *)(current_sensor->data))->label), 0.5, 0.5);
+ }
+ if (((ActiveSensor *)(current_sensor->data))->value) {
+ gtk_misc_set_alignment(GTK_MISC(((ActiveSensor *)(current_sensor->data))->value), 0.5, 0.5);
+ }
+
+ if (((ActiveSensor *)(current_sensor->data))->value) {
+ gtk_table_attach_defaults(GTK_TABLE(sensors_applet->table),
+ ((ActiveSensor *)(current_sensor->data))->value,
+ i, i + 1,
+ j + 1, j + 2);
+ }
+ j += 2;
+ }
+ current_sensor = g_list_next(current_sensor);
+
+ } /* end row loop */
+ /* now increment column index as needed */
+ if (layout_mode == VALUE_BESIDE_LABEL) { /* place value next to label */
+ i += 2;
+ } else {
+ i++;
+ }
+
+
+ } /* end column loop */
+
+
+ } else { /* not showing labels and icons with values, so just
+ * pack either only icons or values */
+ for (i = 0; current_sensor != NULL && i < cols; ++i) {
+ for (j = 0; current_sensor!= NULL && j < rows; ++j) {
+ if (display_mode == DISPLAY_VALUE) {
+
+ if (((ActiveSensor *)(current_sensor->data))->value) {
+ gtk_table_attach_defaults(GTK_TABLE(sensors_applet->table),
+ ((ActiveSensor *)(current_sensor->data))->value,
+ i, i + 1,
+ j, j + 1);
+ }
+ } else if (display_mode == DISPLAY_ICON) {
+ if (((ActiveSensor *)(current_sensor->data))->value) {
+ gtk_table_attach_defaults(GTK_TABLE(sensors_applet->table),
+ ((ActiveSensor *)(current_sensor->data))->icon,
+ i, i + 1,
+ j, j + 1);
+ }
+ } else if (display_mode == DISPLAY_GRAPH) {
+ if (((ActiveSensor *)(current_sensor->data))->graph) {
+ gtk_table_attach_defaults(GTK_TABLE(sensors_applet->table),
+ ((ActiveSensor *)(current_sensor->data))->graph_frame,
+ i, i + 1,
+ j, j + 1);
+ }
+ }
+
+
+ current_sensor = g_list_next(current_sensor);
+ }
+ }
+
+ }
+ if (old_table_children != NULL) {
+ gtk_container_foreach(GTK_CONTAINER(sensors_applet->table),
+ sensors_applet_pack_display_cleanup_refs_cb,
+ old_table_children);
+ g_list_free(old_table_children);
+ }
+ gtk_widget_show_all(GTK_WIDGET(sensors_applet->applet));
+
+}
+
+/* must unref when done with returned pixbuf */
+GdkPixbuf *sensors_applet_load_icon(IconType icon_type) {
+ GtkIconTheme *icon_theme;
+ GdkPixbuf *icon = NULL;
+ GError *error = NULL;
+
+ /* try to load the icon */
+
+ /* not allowed to unref or ref icon_theme once we have it */
+ icon_theme = gtk_icon_theme_get_default();
+ icon = gtk_icon_theme_load_icon(icon_theme,
+ stock_icons[icon_type],
+ DEFAULT_ICON_SIZE,
+ GTK_ICON_LOOKUP_USE_BUILTIN,
+ &error);
+ if (error) {
+ g_warning ("Could not load icon: %s", error->message);
+ g_error_free(error);
+ error = NULL;
+
+ /* try again with default icon */
+ icon = gtk_icon_theme_load_icon(icon_theme,
+ GTK_STOCK_MISSING_IMAGE,
+ DEFAULT_ICON_SIZE,
+ GTK_ICON_LOOKUP_USE_BUILTIN,
+ &error);
+ if (error) {
+ /* this will quit sensors-applet but
+ * it is a pretty major error so may
+ * as well */
+
+ g_error("Could not load GTK_STOCK_MISSING_IMAGE - major error!!!: %s", error->message);
+
+ g_error_free(error);
+ error = NULL;
+ }
+
+ }
+ return icon;
+}
+
+gboolean sensors_applet_add_sensor(SensorsApplet *sensors_applet,
+ const gchar *path,
+ const gchar *id,
+ const gchar *label,
+ const gchar *interface,
+ SensorType type,
+ gboolean enable,
+ gdouble low_value,
+ gdouble high_value,
+ gboolean alarm_enable,
+ const gchar *low_alarm_command,
+ const gchar *high_alarm_command,
+ gint alarm_timeout,
+ gdouble multiplier,
+ gdouble offset,
+ IconType icon_type,
+ const gchar *graph_color) {
+
+
+ GtkTreeIter interfaces_iter, sensors_iter;
+ gboolean not_empty_tree;
+
+ gchar *node_interface;
+ gboolean not_end_of_interfaces = TRUE, interface_exists = FALSE;
+ gboolean not_end_of_sensors = TRUE;
+ gchar *sensor_id;
+ gchar *sensor_path;
+ SensorType sensor_type;
+ GdkPixbuf *icon;
+ GtkTreePath *tree_path;
+
+ g_assert(sensors_applet);
+
+ /* assume tree is not empty */
+ not_empty_tree = TRUE;
+
+
+ if (NULL == sensors_applet->sensors) {
+
+ sensors_applet->sensors = gtk_tree_store_new(N_COLUMNS,
+ G_TYPE_STRING, /* path */
+ G_TYPE_STRING, /* id */
+ G_TYPE_STRING, /* label */
+ G_TYPE_STRING, /* interface */
+ G_TYPE_UINT, /* sensor
+ * type */
+ G_TYPE_BOOLEAN, /* enable */
+ G_TYPE_BOOLEAN, /* visible */
+ G_TYPE_DOUBLE, /* low value */
+ G_TYPE_DOUBLE, /* high type */
+ G_TYPE_BOOLEAN, /* alarm enable */
+ G_TYPE_STRING, /* low alarm command */
+ G_TYPE_STRING, /* high alarm command */
+ G_TYPE_UINT, /* alarm timeout */
+ G_TYPE_DOUBLE, /* multiplier */
+ G_TYPE_DOUBLE, /* offset */
+ G_TYPE_UINT, /* icon type */
+ GDK_TYPE_PIXBUF, /* icon pixbuf */
+ G_TYPE_STRING); /* graph color */
+
+
+ g_debug("Sensor tree created.");
+
+ /* we know tree is actually empty since we just created it */
+ not_empty_tree = FALSE;
+ }
+
+ /* search sensor tree for the parent interface to place this
+ * sensor under */
+ for (not_empty_tree = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(sensors_applet->sensors), &interfaces_iter); not_empty_tree && not_end_of_interfaces && !interface_exists; not_end_of_interfaces = gtk_tree_model_iter_next(GTK_TREE_MODEL(sensors_applet->sensors), &interfaces_iter)) {
+ gtk_tree_model_get(GTK_TREE_MODEL(sensors_applet->sensors), &interfaces_iter,
+ INTERFACE_COLUMN, &node_interface,
+ -1);
+ if (g_ascii_strcasecmp(interface, node_interface) == 0) {
+ /* found interface in tree */
+ interface_exists = TRUE;
+
+ /* now see if this actual sensor already
+ * exists within this interface - don't want
+ * to add duplicates */
+ /* see if have children */
+ for (not_end_of_sensors = gtk_tree_model_iter_children(GTK_TREE_MODEL(sensors_applet->sensors), &sensors_iter, &interfaces_iter); not_end_of_sensors; not_end_of_sensors = gtk_tree_model_iter_next(GTK_TREE_MODEL(sensors_applet->sensors), &sensors_iter)) {
+ gtk_tree_model_get(GTK_TREE_MODEL(sensors_applet->sensors), &sensors_iter,
+ PATH_COLUMN, &sensor_path,
+ ID_COLUMN, &sensor_id,
+ SENSOR_TYPE_COLUMN, &sensor_type,
+ -1);
+ if (g_ascii_strcasecmp(sensor_id, id) == 0 &&
+ g_ascii_strcasecmp(sensor_path, path) == 0 &&
+ sensor_type == type) {
+ /* sensor already exists so
+ * dont add a second time */
+ g_debug("sensor with path: %s, id: %s already exists in tree, not adding a second time", sensor_path, sensor_id);
+ g_free(sensor_id);
+ g_free(sensor_path);
+ g_free(node_interface);
+ return FALSE;
+ }
+ g_free(sensor_id);
+ g_free(sensor_path);
+ }
+ g_free(node_interface);
+ break;
+ }
+ g_free(node_interface);
+ }
+
+
+
+ if (!interface_exists) {
+ /* add to required plugins hash table so we ensure this
+ plugin stays loaded to make sure we have a get sensor
+ value function if possible */
+ g_hash_table_insert(sensors_applet->required_plugins,
+ g_strdup(interface),
+ GINT_TO_POINTER(TRUE));
+ g_debug("added interface %s to required plugins", interface);
+
+ /* wasn't able to find interface root node so create it */
+ gtk_tree_store_append(sensors_applet->sensors,
+ &interfaces_iter,
+ NULL);
+
+ gtk_tree_store_set(sensors_applet->sensors,
+ &interfaces_iter,
+ ID_COLUMN, interface,
+ INTERFACE_COLUMN, interface,
+ VISIBLE_COLUMN, FALSE,
+ -1);
+ g_debug("Added sensor interface %s to tree", interface);
+ }
+
+ icon = sensors_applet_load_icon(icon_type);
+
+
+ /* then add sensor as a child under interface node - ie assume
+ * we either found it or created it - the inteface node that
+ * is */
+
+ /* for now just add sensors all in a single list */
+ gtk_tree_store_append(sensors_applet->sensors,
+ &sensors_iter,
+ &interfaces_iter);
+
+ gtk_tree_store_set(sensors_applet->sensors,
+ &sensors_iter,
+ PATH_COLUMN, path,
+ ID_COLUMN, id,
+ LABEL_COLUMN, label,
+ INTERFACE_COLUMN, interface,
+ SENSOR_TYPE_COLUMN, type,
+ ENABLE_COLUMN, enable,
+ VISIBLE_COLUMN, TRUE,
+ LOW_VALUE_COLUMN, low_value,
+ HIGH_VALUE_COLUMN, high_value,
+ ALARM_ENABLE_COLUMN, alarm_enable,
+ ALARM_TIMEOUT_COLUMN, alarm_timeout,
+ LOW_ALARM_COMMAND_COLUMN, low_alarm_command,
+ HIGH_ALARM_COMMAND_COLUMN, high_alarm_command,
+ MULTIPLIER_COLUMN, multiplier,
+ OFFSET_COLUMN, offset,
+ ICON_TYPE_COLUMN, icon_type,
+ ICON_PIXBUF_COLUMN, icon,
+ GRAPH_COLOR_COLUMN, graph_color,
+ -1);
+ g_debug("added sensor %s to tree", path);
+
+ /* remove reference to icon as tree now has ref */
+ g_object_unref(icon);
+
+ /* create the active sensor */
+ if (enable) {
+ tree_path = gtk_tree_model_get_path(GTK_TREE_MODEL(sensors_applet->sensors), &sensors_iter);
+ sensors_applet_sensor_enabled(sensors_applet, tree_path);
+ gtk_tree_path_free(tree_path);
+ }
+ return TRUE;
+}
+
+
+static ActiveSensor *sensors_applet_find_active_sensor(SensorsApplet *sensors_applet,
+ GtkTreePath *path) {
+ GtkTreePath *sensor_tree_path;
+ GList *current_sensor;
+
+ for (current_sensor = sensors_applet->active_sensors; current_sensor != NULL; current_sensor = g_list_next(current_sensor)) {
+ sensor_tree_path = gtk_tree_row_reference_get_path(((ActiveSensor *)(current_sensor->data))->sensor_row);
+
+ if (gtk_tree_path_compare(path, sensor_tree_path) == 0) {
+ gtk_tree_path_free(sensor_tree_path);
+ return ((ActiveSensor *)(current_sensor->data));
+ }
+ gtk_tree_path_free(sensor_tree_path);
+ }
+ return NULL;
+}
+
+
+/* path should be the full path to a file representing the sensor (eg
+ * /dev/hda or /sys/devices/platform/i2c-0/0-0290/temp1_input) */
+
+void sensors_applet_display_layout_changed(SensorsApplet *sensors_applet) {
+ /* update sensors since will need to update icons / graphs etc
+ * if weren't displayed before */
+ GList *list = NULL;
+ for (list = sensors_applet->active_sensors;
+ list != NULL;
+ list = list->next) {
+ ActiveSensor *as = (ActiveSensor *)list->data;
+ as->updated = FALSE;
+ }
+ sensors_applet_update_active_sensors(sensors_applet);
+ sensors_applet_pack_display(sensors_applet);
+}
+
+void sensors_applet_alarm_off(SensorsApplet *sensors_applet,
+ GtkTreePath *path,
+ NotifType notif_type) {
+ ActiveSensor *active_sensor;
+
+ if ((active_sensor = sensors_applet_find_active_sensor(sensors_applet,
+ path)) != NULL) {
+ active_sensor_alarm_off(active_sensor, notif_type);
+ }
+}
+
+void sensors_applet_all_alarms_off(SensorsApplet *sensors_applet,
+ GtkTreePath *path) {
+ sensors_applet_alarm_off(sensors_applet, path, LOW_ALARM);
+ sensors_applet_alarm_off(sensors_applet, path, HIGH_ALARM);
+}
+
+
+void sensors_applet_sensor_enabled(SensorsApplet *sensors_applet,
+ GtkTreePath *path) {
+ ActiveSensor *active_sensor;
+
+ g_assert(sensors_applet);
+ g_assert(path);
+
+ active_sensor = active_sensor_new(sensors_applet,
+ gtk_tree_row_reference_new(GTK_TREE_MODEL(sensors_applet->sensors), path));
+
+ active_sensor_update(active_sensor, sensors_applet);
+
+ /* keep list sorted */
+ sensors_applet->active_sensors = g_list_insert_sorted(sensors_applet->active_sensors,
+ active_sensor,
+ (GCompareFunc)active_sensor_compare);
+
+ sensors_applet_pack_display(sensors_applet);
+}
+
+void sensors_applet_reorder_sensors(SensorsApplet *sensors_applet) {
+ sensors_applet->active_sensors = g_list_sort(sensors_applet->active_sensors, (GCompareFunc)active_sensor_compare);
+
+ sensors_applet_pack_display(sensors_applet);
+}
+
+void sensors_applet_sensor_disabled(SensorsApplet *sensors_applet,
+ GtkTreePath *path) {
+
+ ActiveSensor *active_sensor;
+
+ g_assert(sensors_applet);
+ g_assert(path);
+
+ if ((active_sensor = sensors_applet_find_active_sensor(sensors_applet,
+ path)) != NULL) {
+ g_debug("Destroying active sensor...");
+
+ g_debug("-- removing from list...");
+ sensors_applet->active_sensors = g_list_remove(sensors_applet->active_sensors,
+ active_sensor);
+ g_debug("-- repacking display....");
+ sensors_applet_pack_display(sensors_applet);
+
+ active_sensor_destroy(active_sensor);
+ }
+}
+
+
+void sensors_applet_update_sensor(SensorsApplet *sensors_applet,
+ GtkTreePath *path) {
+ ActiveSensor *active_sensor;
+
+ g_assert(sensors_applet);
+ g_assert(path);
+
+ if ((active_sensor = sensors_applet_find_active_sensor(sensors_applet,
+ path)) != NULL) {
+ active_sensor_update(active_sensor,
+ sensors_applet);
+ }
+}
+
+void sensors_applet_icon_changed(SensorsApplet *sensors_applet,
+ GtkTreePath *path) {
+ ActiveSensor *active_sensor;
+
+ g_assert(sensors_applet);
+ g_assert(path);
+
+ if ((active_sensor = sensors_applet_find_active_sensor(sensors_applet,
+ path)) != NULL) {
+ active_sensor_icon_changed(active_sensor,
+ sensors_applet);
+ }
+}
+
+/**
+ * Cycle thru ActiveSensors and update them all
+ */
+gboolean sensors_applet_update_active_sensors(SensorsApplet *sensors_applet) {
+ g_assert(sensors_applet);
+
+ if (sensors_applet->active_sensors) {
+ g_list_foreach(sensors_applet->active_sensors,
+ (GFunc)active_sensor_update,
+ sensors_applet);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/**
+ * Cycle thru ActiveSensors and set new graph dimensions
+ */
+void sensors_applet_graph_size_changed(SensorsApplet *sensors_applet) {
+ gint dimensions[2];
+ gint graph_size;
+ g_assert(sensors_applet);
+
+ if (sensors_applet->active_sensors) {
+
+ graph_size = panel_applet_gconf_get_int(sensors_applet->applet,
+ GRAPH_SIZE,
+ NULL);
+ if (panel_applet_get_orient(sensors_applet->applet) ==
+ PANEL_APPLET_ORIENT_UP ||
+ panel_applet_get_orient(sensors_applet->applet) ==
+ PANEL_APPLET_ORIENT_DOWN) {
+ /* is horizontal so set graph_size as width */
+ dimensions[0] = graph_size;
+ dimensions[1] = sensors_applet->size;
+ } else {
+ dimensions[0] = sensors_applet->size;
+ dimensions[1] = graph_size;
+ }
+
+ g_list_foreach(sensors_applet->active_sensors,
+ (GFunc)active_sensor_update_graph_dimensions,
+ &dimensions);
+ }
+
+}
+
+gdouble sensors_applet_convert_temperature(gdouble value,
+ TemperatureScale old,
+ TemperatureScale new) {
+
+ switch (old) {
+ case KELVIN:
+ switch (new) {
+ case CELSIUS:
+ value = value - 273.0;
+ break;
+ case FAHRENHEIT:
+ value = (9.0 * (value - 273) / 5.0) + 32.0;
+ break;
+ case KELVIN:
+ break;
+ }
+ break;
+ case CELSIUS:
+ switch (new) {
+ case FAHRENHEIT:
+ value = (9.0 * value / 5.0) + 32.0;
+ break;
+ case KELVIN:
+ value = value + 273.0;
+ break;
+ case CELSIUS:
+ break;
+ }
+ break;
+
+ case FAHRENHEIT:
+ switch (new) {
+ case CELSIUS:
+ value = (5.0 * (value - 32.0) / 9.0);
+ break;
+ case KELVIN:
+ value = (5.0 * (value - 32.0) / 9.0) + 273.0;
+ break;
+ case FAHRENHEIT:
+ break;
+ }
+ break;
+ }
+ return value;
+}
+
+void sensors_applet_init(SensorsApplet *sensors_applet) {
+
+ g_assert(sensors_applet);
+ g_assert(sensors_applet->applet);
+
+ /* plugin functions are stored as name -> get_value_function pairs so
+ * use standard string functions on hash table */
+ sensors_applet->plugins = g_hash_table_new(g_str_hash,
+ g_str_equal);
+
+ sensors_applet->required_plugins = g_hash_table_new_full(g_str_hash,
+ g_str_equal,
+ g_free,
+ NULL);
+
+ /* initialise size */
+ sensors_applet->size = DEFAULT_APPLET_SIZE;
+
+ panel_applet_set_flags(sensors_applet->applet,
+ PANEL_APPLET_EXPAND_MINOR);
+
+ g_signal_connect(sensors_applet->applet, "destroy",
+ G_CALLBACK(destroy_cb),
+ sensors_applet);
+
+
+ /* if not setup, write defaults to gconf */
+ sensors_applet_gconf_setup(sensors_applet);
+
+ /* now do any setup needed manually */
+ sensors_applet_plugins_load_all(sensors_applet);
+
+ /* should have created sensors tree above, but if have
+ not was because we couldn't find any sensors */
+ if (NULL == sensors_applet->sensors) {
+ GtkWidget *label;
+ label = gtk_label_new(_("No sensors found!"));
+ gtk_container_add(GTK_CONTAINER(sensors_applet->applet), label);
+ gtk_widget_show_all(GTK_WIDGET(sensors_applet->applet));
+ return;
+ }
+
+ /* only do menu and signal connections if sensors are found */
+ panel_applet_setup_menu_from_file(sensors_applet->applet,
+ DATADIR,
+ SENSORS_APPLET_MENU_FILE,
+ NULL,
+ sensors_applet_menu_verbs,
+ sensors_applet);
+
+ g_signal_connect(sensors_applet->applet, "style-set",
+ G_CALLBACK(style_set_cb),
+ sensors_applet);
+
+ g_signal_connect(sensors_applet->applet, "change_background",
+ G_CALLBACK(change_background_cb),
+ sensors_applet);
+
+ g_signal_connect(G_OBJECT(sensors_applet->applet), "change_orient",
+ G_CALLBACK(change_orient_cb),
+ sensors_applet);
+
+ g_signal_connect(G_OBJECT(sensors_applet->applet), "size_allocate",
+ G_CALLBACK(size_allocate_cb),
+ sensors_applet);
+
+
+
+ sensors_applet_update_active_sensors(sensors_applet);
+ sensors_applet_pack_display(sensors_applet);
+
+ sensors_applet->timeout_id = g_timeout_add_seconds(panel_applet_gconf_get_int(sensors_applet->applet, TIMEOUT, NULL) / 1000,
+ (GSourceFunc)sensors_applet_update_active_sensors,
+ sensors_applet);
+ gtk_widget_show_all(GTK_WIDGET(sensors_applet->applet));
+}
+
+
+