Use system timezone in Evolution

	** Fix for bug #381132

1 files changed, 33 insertions, 1 deletions

diff --git a/calendar/gui/dialogs/cal-prefs-dialog.c b/calendar/gui/dialogs/cal-prefs-dialog.c
index edb802fd10..60678d93e1 100644
--- a/calendar/gui/dialogs/cal-prefs-dialog.c
+++ b/calendar/gui/dialogs/cal-prefs-dialog.c
@@ -480,6 +480,30 @@ template_url_changed (GtkEntry *entry, CalendarPrefsDialog *prefs)
 }
 
 static void
+update_system_tz_widgets (CalendarPrefsDialog *prefs)
+{
+	icaltimezone *zone;
+
+	zone = e_cal_util_get_system_timezone ();
+	if (zone) {
+		char *tmp = g_strdup_printf ("(%s)", icaltimezone_get_display_name (zone));
+		gtk_label_set_text (GTK_LABEL (prefs->system_tz_label), tmp);
+		g_free (tmp);
+	} else {
+		gtk_label_set_text (GTK_LABEL (prefs->system_tz_label), "(UTC)");
+	}
+
+	gtk_widget_set_sensitive (prefs->timezone, !gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (prefs->use_system_tz_check)));
+}
+
+static void
+use_system_tz_changed (GtkWidget *check, CalendarPrefsDialog *prefs)
+{
+	calendar_config_set_use_system_timezone (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check)));
+	update_system_tz_widgets (prefs);
+}
+
+static void
 setup_changes (CalendarPrefsDialog *prefs)
 {
 	int i;
@@ -487,6 +511,7 @@ setup_changes (CalendarPrefsDialog *prefs)
 	for (i = 0; i < 7; i ++)
 		g_signal_connect (G_OBJECT (prefs->working_days[i]), "toggled", G_CALLBACK (working_days_changed), prefs);
 
+	g_signal_connect (G_OBJECT (prefs->use_system_tz_check), "toggled", G_CALLBACK (use_system_tz_changed), prefs);
 	g_signal_connect (G_OBJECT (prefs->timezone), "changed", G_CALLBACK (timezone_changed), prefs);
 	g_signal_connect (G_OBJECT (prefs->day_second_zone), "clicked", G_CALLBACK (day_second_zone_clicked), prefs);
 
@@ -620,8 +645,13 @@ show_config (CalendarPrefsDialog *prefs)
 	CalUnits units;
 	int interval;
 
+	/* Use system timezone */
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (prefs->use_system_tz_check), calendar_config_get_use_system_timezone ());
+	gtk_widget_set_sensitive (prefs->system_tz_label, FALSE);
+	update_system_tz_widgets (prefs);
+
 	/* Timezone. */
-	location = calendar_config_get_timezone ();
+	location = calendar_config_get_timezone_stored ();
 	zone = icaltimezone_get_builtin_timezone (location);
 	e_timezone_entry_set_timezone (E_TIMEZONE_ENTRY (prefs->timezone), zone);
 	g_free (location);
@@ -762,6 +792,8 @@ calendar_prefs_dialog_construct (CalendarPrefsDialog *prefs)
 	e_config_add_items ((EConfig *) ec, l, NULL, NULL, eccp_free, prefs);
 
 	/* General tab */
+	prefs->use_system_tz_check = glade_xml_get_widget (gui, "use-system-tz-check");
+	prefs->system_tz_label = glade_xml_get_widget (gui, "system-tz-label");
 	prefs->timezone = glade_xml_get_widget (gui, "timezone");
 	prefs->day_second_zone = glade_xml_get_widget (gui, "day_second_zone");
 	for (i = 0; i < 7; i++)