Initial release bases on sensors-applet

1 files changed, 492 insertions, 0 deletions

diff --git a/sensors-applet/sensors-applet-gconf.c b/sensors-applet/sensors-applet-gconf.c
new file mode 100644
index 0000000..852a3fc
--- /dev/null
+++ b/sensors-applet/sensors-applet-gconf.c
@@ -0,0 +1,492 @@
+/*
+ * 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
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include "sensors-applet.h"
+#include "sensors-applet-gconf.h"
+
+#define DEFAULT_TIMEOUT 2000
+#define DEFAULT_GRAPH_SIZE 42
+
+static const gchar * const compatible_versions[] = {
+        PACKAGE_VERSION, /* always list current version */
+        "2.2.6",
+        "2.2.5",
+	"2.2.4",
+        "2.2.3",
+	"2.2.2",
+};
+
+#define NUM_COMPATIBLE_VERSIONS G_N_ELEMENTS(compatible_versions)
+
+typedef enum {
+        SENSORS_APPLET_GCONF_ERROR = 0,
+        SENSORS_APPLET_VERSION_ERROR,
+} SensorsAppletGConfError;
+
+static const gchar * const error_titles[] = {
+        N_("An error occurred loading the stored sensors data"),
+        N_("Incompatible sensors configuration found")
+};
+
+static const gchar * const error_messages[] = {
+        N_("An error has occurred when loading the stored sensors data. "
+           "The default values will be used to recover from this error."),
+        
+        N_("Unfortunately the previous configuration for GNOME Sensors Applet "
+           "is not compatible with this version. The existing sensors data "
+           "will be overwritten with the default values for this new version.")
+};
+
+/* function to be called if an error occurs
+   when loading values from gconf */
+static void sensors_applet_gconf_error_occurred(SensorsAppletGConfError error) {
+	GtkWidget *dialog;
+        gchar *markup;
+
+        g_debug("Error occurred: %s", error_titles[error]);
+        markup = g_markup_printf_escaped("<span size=\"large\" weight=\"bold\">%s</span>\n\n%s", _(error_titles[error]), _(error_messages[error]));
+
+	dialog = gtk_message_dialog_new_with_markup(NULL, /* no parent window */
+                                                    GTK_DIALOG_MODAL,
+                                                    GTK_MESSAGE_WARNING,
+                                                    GTK_BUTTONS_OK,
+                                                    "%s", markup);
+
+        g_free(markup);
+
+        /* runs dialog as modal and doesn't return until user clicks
+         * button */
+        gtk_dialog_run(GTK_DIALOG(dialog));
+        gtk_widget_destroy(GTK_WIDGET(dialog));
+}
+
+
+static void sensors_applet_gconf_set_defaults(SensorsApplet *sensors_applet) {
+	panel_applet_gconf_set_int(sensors_applet->applet, DISPLAY_MODE, DISPLAY_ICON_WITH_VALUE, NULL);
+	panel_applet_gconf_set_int(sensors_applet->applet, LAYOUT_MODE, VALUE_BESIDE_LABEL, NULL);
+	panel_applet_gconf_set_int(sensors_applet->applet, TEMPERATURE_SCALE, CELSIUS, NULL);
+	panel_applet_gconf_set_int(sensors_applet->applet, TIMEOUT, DEFAULT_TIMEOUT, NULL);
+	panel_applet_gconf_set_int(sensors_applet->applet, GRAPH_SIZE, DEFAULT_GRAPH_SIZE, NULL);
+#ifdef HAVE_LIBNOTIFY
+	panel_applet_gconf_set_bool(sensors_applet->applet, DISPLAY_NOTIFICATIONS, TRUE, NULL);
+#endif        
+	panel_applet_gconf_set_bool(sensors_applet->applet, IS_SETUP, FALSE, NULL);
+
+}
+
+/**
+ * Returns TRUE is old_version is one of the compatible versions
+ */
+static gboolean sensors_applet_gconf_is_compatible(const gchar *old_version) {
+        guint i;
+        for (i = 0; i < NUM_COMPATIBLE_VERSIONS; i++) {
+                if (g_ascii_strcasecmp(old_version, compatible_versions[i]) == 0) {
+                        return TRUE;
+                }
+        }
+        return FALSE;
+}
+
+
+void sensors_applet_gconf_setup(SensorsApplet *sensors_applet) {
+        gboolean setup = FALSE;
+        gchar *old_version;
+        GError *error = NULL;
+
+        /* need to convert old num_samples value to new GRAPH_SIZE
+         * parameter */
+        gint num_samples;
+        if ((num_samples = panel_applet_gconf_get_int(sensors_applet->applet,
+                                                      "num_samples",
+                                                      NULL))) {
+                g_debug("Convering old num_samples value %d into graph_size", num_samples);
+                panel_applet_gconf_set_int(sensors_applet->applet,
+                                           GRAPH_SIZE,
+                                           (num_samples + GRAPH_FRAME_EXTRA_WIDTH),
+                                           NULL);
+                /* reset num_samples to zero */
+                panel_applet_gconf_set_int(sensors_applet->applet,
+                                           "num_samples",
+                                           0,
+                                           NULL);
+                
+        }                                      
+
+        /* convert old alarm_commands to high and low if exist */
+        GSList *alarm_commands;
+        if ((alarm_commands = panel_applet_gconf_get_list(sensors_applet->applet,
+                                                          "alarm_commands",
+                                                          GCONF_VALUE_STRING,
+                                                          NULL))) {
+                
+                g_debug("Converting old alarm commands to new high and low commands");
+                
+                panel_applet_gconf_set_list(sensors_applet->applet,
+                                            LOW_ALARM_COMMANDS,
+                                            GCONF_VALUE_STRING,
+                                            alarm_commands,
+                                            NULL);
+                panel_applet_gconf_set_list(sensors_applet->applet,
+                                            HIGH_ALARM_COMMANDS,
+                                            GCONF_VALUE_STRING,
+                                            alarm_commands,
+                                            NULL);
+                /* reset old list to null */
+                panel_applet_gconf_set_list(sensors_applet->applet,
+                                            "alarm_commands",
+                                            GCONF_VALUE_STRING,
+                                            NULL,
+                                            NULL);
+                g_slist_foreach(alarm_commands, (GFunc)g_free, NULL);
+                g_slist_free(alarm_commands);
+                
+        }
+
+        setup = panel_applet_gconf_get_bool(sensors_applet->applet, 
+                                            IS_SETUP, &error);
+        if (error) {
+                g_debug("Previous configuration not found: %s, setting up manually", error->message);
+                g_error_free(error);
+                error = NULL;
+                setup = FALSE;
+        }
+
+
+	if (setup) {
+                /* see if setup version matches */
+                old_version = panel_applet_gconf_get_string(sensors_applet->applet,
+                                                            SENSORS_APPLET_VERSION,
+                                                            &error);
+                /* if versions don't match or there is no saved
+                 * version string then need to overwrite old config */
+                if (error) {
+                        g_debug("Error getting old version string: %s", error->message);
+                        g_error_free(error);
+                        error = NULL;
+                        old_version = NULL;
+                }
+                
+                if (old_version) {
+                        if (sensors_applet_gconf_is_compatible(old_version)) {
+                                /* previously setup and versions match so use
+                                 * old values */
+                                g_debug("GConf data is compatible. Trying to set up sensors from gconf data");
+                                if (sensors_applet_gconf_setup_sensors(sensors_applet)) {
+                                        g_debug("done setting up from gconf");
+                                } else {
+                                        g_debug("Setting gconf defaults only");
+                                        sensors_applet_gconf_set_defaults(sensors_applet);
+                                }
+                                g_free(old_version);
+
+                                return;
+
+                                        
+                        }
+                        g_free(old_version);
+
+                }
+                sensors_applet_notify(sensors_applet, GCONF_READ_ERROR);
+                
+                        
+                sensors_applet_gconf_error_occurred(SENSORS_APPLET_VERSION_ERROR);
+        }
+        
+        /* use defaults */
+        g_debug("Setting gconf defaults only");
+        sensors_applet_gconf_set_defaults(sensors_applet);
+}
+
+enum {
+        PATHS_INDEX = 0,
+        IDS_INDEX,
+        LABELS_INDEX,
+        INTERFACES_INDEX,
+        SENSOR_TYPES_INDEX, 
+        ENABLES_INDEX, 
+        LOW_VALUES_INDEX, 
+        HIGH_VALUES_INDEX, 
+        ALARM_ENABLES_INDEX, 
+        LOW_ALARM_COMMANDS_INDEX, 
+        HIGH_ALARM_COMMANDS_INDEX,
+        ALARM_TIMEOUTS_INDEX, 
+        MULTIPLIERS_INDEX,
+        OFFSETS_INDEX,
+        ICON_TYPES_INDEX, 
+        GRAPH_COLORS_INDEX,
+        NUM_KEYS
+};
+
+const gchar * const keys[NUM_KEYS] = {
+        PATHS,
+        IDS,
+        LABELS,
+        INTERFACES,
+        SENSOR_TYPES, 
+        ENABLES, 
+        LOW_VALUES, 
+        HIGH_VALUES, 
+        ALARM_ENABLES, 
+        LOW_ALARM_COMMANDS,
+        HIGH_ALARM_COMMANDS,
+        ALARM_TIMEOUTS, 
+        MULTIPLIERS,
+        OFFSETS,
+        ICON_TYPES, 
+        GRAPH_COLORS,
+};
+
+/* MUST CORRESPOND TO ABOVE KEYS */
+const GConfValueType key_types[NUM_KEYS] = {
+        GCONF_VALUE_STRING, /* PATHS */
+        GCONF_VALUE_STRING, /* IDS, */
+        GCONF_VALUE_STRING, /* LABELS */
+        GCONF_VALUE_STRING, /* INTERFACES, */
+        GCONF_VALUE_INT, /* SENSOR_TYPES, */
+        GCONF_VALUE_BOOL, /* ENABLES, */
+        GCONF_VALUE_INT, /* LOW_VALUES, */
+        GCONF_VALUE_INT, /* HIGH_VALUES, */
+        GCONF_VALUE_BOOL, /* ALARM_ENABLES, */
+        GCONF_VALUE_STRING, /* LOW_ALARM_COMMANDS, */
+        GCONF_VALUE_STRING, /* HIGH_ALARM_COMMANDS, */
+        GCONF_VALUE_INT, /* ALARM_TIMEOUTS, */
+        GCONF_VALUE_INT, /* MULTIPLIERS, */
+        GCONF_VALUE_INT, /* OFFSETS, */
+        GCONF_VALUE_INT, /* ICON_TYPES, */
+        GCONF_VALUE_STRING /* GRAPH_COLORS, */
+};
+
+void sensors_applet_gconf_set_current_to_lists(GSList *current[],
+                                               GSList *lists[],
+                                               int len) {
+        for (len--; len >= 0; len--) {
+                current[len] = lists[len];
+        }
+}
+
+int sensors_applet_gconf_current_not_null(GSList *current[],
+                                          int len) {
+        for (len--; len >= 0; len--) {
+                if (NULL == current[len]) {
+                        return FALSE;
+                }
+        }
+        return TRUE;
+}
+void sensors_applet_gconf_current_get_next(GSList *current[],
+                                           int len) {
+        for (len--; len >= 0; len--) {
+                current[len] = g_slist_next(current[len]);
+        }
+}
+
+void sensors_applet_gconf_free_lists(GSList *lists[],
+                                     int len) {
+        for (len--; len >= 0; len--) {
+                if (key_types[len] == GCONF_VALUE_STRING) {
+                        g_slist_foreach(lists[len], (GFunc)g_free, NULL);
+                }
+                g_slist_free(lists[len]);
+        }
+
+}
+
+/* gets called if are already setup so we don't have to manually go
+   through and find sensors etc again */
+gboolean sensors_applet_gconf_setup_sensors(SensorsApplet *sensors_applet) {
+	/* everything gets stored except alarm timeout indexes, which
+	   we set to -1, and visible which we set to false for all
+	   parent nodes and true for all child nodes */
+        int i;
+        GSList *lists[NUM_KEYS] = {NULL}; 
+
+	GSList *current[NUM_KEYS] = {NULL}; 
+
+	GError *error = NULL;
+
+        for (i = 0; i < NUM_KEYS; i++) {
+                lists[i] = panel_applet_gconf_get_list(sensors_applet->applet, 
+                                                       keys[i], 
+                                                       key_types[i], 
+                                                       &error);
+                if (error || NULL == lists[i]) {
+                        sensors_applet_notify(sensors_applet, GCONF_READ_ERROR);
+                
+                        sensors_applet_gconf_error_occurred(SENSORS_APPLET_GCONF_ERROR);
+                        if (error) {
+                                g_error_free(error);
+                        }
+                        return FALSE;
+                }
+        }
+
+	for (sensors_applet_gconf_set_current_to_lists(current,
+                                                       lists,
+                                                       NUM_KEYS);
+             sensors_applet_gconf_current_not_null(current,
+                                                   NUM_KEYS);
+             sensors_applet_gconf_current_get_next(current,
+                                                   NUM_KEYS)) {
+
+
+		g_debug("trying to add sensor from gconf data: %s\n", (gchar *)(current[IDS_INDEX]->data));
+                /* need to ensure correct order */
+		sensors_applet_add_sensor(sensors_applet,
+                                          (gchar *)(current[PATHS_INDEX]->data),
+                                          (gchar *)(current[IDS_INDEX]->data), 
+                                          (gchar *)(current[LABELS_INDEX]->data), 
+                                          (gchar *)(current[INTERFACES_INDEX]->data),
+                                          GPOINTER_TO_UINT(current[SENSOR_TYPES_INDEX]->data),
+                                          GPOINTER_TO_INT(current[ENABLES_INDEX]->data),
+                                          (gdouble)(GPOINTER_TO_INT(current[LOW_VALUES_INDEX]->data) / 1000.0),
+                                          (gdouble)(GPOINTER_TO_INT(current[HIGH_VALUES_INDEX]->data) / 1000.0),
+                                          GPOINTER_TO_INT(current[ALARM_ENABLES_INDEX]->data),
+                                          (gchar *)(current[LOW_ALARM_COMMANDS_INDEX]->data),
+                                          (gchar *)(current[HIGH_ALARM_COMMANDS_INDEX]->data),
+                                          GPOINTER_TO_INT(current[ALARM_TIMEOUTS_INDEX]->data),
+                                          (gdouble)(GPOINTER_TO_INT(current[MULTIPLIERS_INDEX]->data) / 1000.0),
+                                          (gdouble)(GPOINTER_TO_INT(current[OFFSETS_INDEX]->data) / 1000.0),
+                                          (SensorType)GPOINTER_TO_UINT(current[ICON_TYPES_INDEX]->data),
+                                          (gchar *)(current[GRAPH_COLORS_INDEX]->data)
+                                          
+                        );
+                
+	}
+        sensors_applet_gconf_free_lists(lists,
+                                        NUM_KEYS);
+
+	return TRUE;
+}
+
+
+gboolean sensors_applet_gconf_save_sensors(SensorsApplet *sensors_applet) {
+	/* write everything to gconf except VISIBLE and
+	   ALARM_TIMEOUT_INDEX */
+	/* for stepping through GtkTreeStore data structure */
+	GtkTreeIter interfaces_iter, sensors_iter;
+	gboolean not_end_of_interfaces = TRUE, not_end_of_sensors = TRUE;
+
+        /* make sure all are initialized to null - since list of
+         * intializers is horter than number of element, rest get set
+         * to 0 (ie NULL) */
+        GSList *lists[NUM_KEYS] = {NULL};
+        int i;
+        gchar *current_path, *current_id, *current_label, *current_interface,
+                *current_low_alarm_command, *current_high_alarm_command, 
+                *current_graph_color;
+        gboolean current_enable, current_alarm_enable;
+	gdouble current_low_value, current_high_value, current_multiplier, 
+                current_offset;
+	guint current_alarm_timeout, current_sensor_type, 
+                current_icon_type;
+	
+	GError *error = NULL;
+
+	/* now step through the GtkTreeStore sensors to
+	   find which sensors are enabled */
+	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)) {
+		// store a gconf key for this interface
+		gtk_tree_model_get(GTK_TREE_MODEL(sensors_applet->sensors), 
+				   &interfaces_iter,
+				   ID_COLUMN, &current_id,
+				   -1);
+
+		panel_applet_gconf_set_bool(sensors_applet->applet, current_id, TRUE, NULL);
+		g_free(current_id);
+		
+		/* 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,
+					   PATH_COLUMN, &current_path,
+					   ID_COLUMN, &current_id,
+					   LABEL_COLUMN, &current_label,
+					   INTERFACE_COLUMN, &current_interface,
+					   SENSOR_TYPE_COLUMN, &current_sensor_type,
+					   ENABLE_COLUMN, &current_enable,
+					   LOW_VALUE_COLUMN, &current_low_value,
+					   HIGH_VALUE_COLUMN, &current_high_value,
+					   ALARM_ENABLE_COLUMN, &current_alarm_enable,
+					   LOW_ALARM_COMMAND_COLUMN, &current_low_alarm_command,
+					   HIGH_ALARM_COMMAND_COLUMN, &current_high_alarm_command,
+					   ALARM_TIMEOUT_COLUMN, &current_alarm_timeout,
+					   MULTIPLIER_COLUMN, &current_multiplier,
+					   OFFSET_COLUMN, &current_offset,
+					   ICON_TYPE_COLUMN, &current_icon_type,
+                                           GRAPH_COLOR_COLUMN, &current_graph_color,
+					   -1);
+
+			/* prepend values as this is faster then just
+			   reverse list when finished */
+                        lists[PATHS_INDEX] = g_slist_prepend(lists[PATHS_INDEX], current_path);
+			lists[IDS_INDEX] = g_slist_prepend(lists[IDS_INDEX], current_id);
+			lists[LABELS_INDEX] = g_slist_prepend(lists[LABELS_INDEX], current_label);
+			lists[INTERFACES_INDEX] = g_slist_prepend(lists[INTERFACES_INDEX], current_interface);
+			lists[ENABLES_INDEX] = g_slist_prepend(lists[ENABLES_INDEX], GINT_TO_POINTER(current_enable));
+			lists[LOW_VALUES_INDEX] = g_slist_prepend(lists[LOW_VALUES_INDEX], GINT_TO_POINTER((gint)(current_low_value * 1000)));
+			lists[HIGH_VALUES_INDEX] = g_slist_prepend(lists[HIGH_VALUES_INDEX], GINT_TO_POINTER((gint)(current_high_value * 1000)));
+			lists[ALARM_ENABLES_INDEX] = g_slist_prepend(lists[ALARM_ENABLES_INDEX], GINT_TO_POINTER(current_alarm_enable));
+			lists[LOW_ALARM_COMMANDS_INDEX] = g_slist_prepend(lists[LOW_ALARM_COMMANDS_INDEX], current_low_alarm_command);
+			lists[HIGH_ALARM_COMMANDS_INDEX] = g_slist_prepend(lists[HIGH_ALARM_COMMANDS_INDEX], current_high_alarm_command);
+			lists[ALARM_TIMEOUTS_INDEX] = g_slist_prepend(lists[ALARM_TIMEOUTS_INDEX], GINT_TO_POINTER(current_alarm_timeout));
+			lists[SENSOR_TYPES_INDEX] = g_slist_prepend(lists[SENSOR_TYPES_INDEX], GUINT_TO_POINTER(current_sensor_type));
+			lists[MULTIPLIERS_INDEX] = g_slist_prepend(lists[MULTIPLIERS_INDEX], GINT_TO_POINTER((gint)(current_multiplier * 1000)));
+			lists[OFFSETS_INDEX] = g_slist_prepend(lists[OFFSETS_INDEX], GINT_TO_POINTER((gint)(current_offset * 1000)));
+			lists[ICON_TYPES_INDEX] = g_slist_prepend(lists[ICON_TYPES_INDEX], GUINT_TO_POINTER(current_icon_type));
+			lists[GRAPH_COLORS_INDEX] = g_slist_prepend(lists[GRAPH_COLORS_INDEX], current_graph_color);
+		}
+	}
+
+	/* keep lists in original order */
+        for (i = 0; i < NUM_KEYS; i++) {
+                if (lists[i] != NULL) {
+                        lists[i] = g_slist_reverse(lists[i]);
+                        
+                        panel_applet_gconf_set_list(sensors_applet->applet, 
+                                                    keys[i], 
+                                                    key_types[i],
+                                                    lists[i], &error);
+                        if (error) {
+                                sensors_applet_notify(sensors_applet, GCONF_WRITE_ERROR);
+                
+                                g_error_free(error);
+                                return FALSE;
+                        }
+                } else {
+                        g_debug("list %s is NULL", keys[i]);
+                }
+                        
+        }
+
+	sensors_applet_gconf_free_lists(lists,
+                                        NUM_KEYS);
+
+        /* store current version to identify config data */
+        panel_applet_gconf_set_string(sensors_applet->applet,
+                                      SENSORS_APPLET_VERSION,
+                                      PACKAGE_VERSION, &error);
+
+	return TRUE;
+}
+