From 8ab1e71acd1ca7efbca2d8a4085c2547abe17e26 Mon Sep 17 00:00:00 2001
From: David Shea <dshea@redhat.com>
Date: Tue, 26 Nov 2013 16:22:01 -0500
Subject: [PATCH 09/10] Added a function to clear the location set for a
 CcTimezoneMap

---
 src/cc-timezone-map.c | 31 ++++++++++++++++++++++++++-----
 src/cc-timezone-map.h |  1 +
 2 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/src/cc-timezone-map.c b/src/cc-timezone-map.c
index 7fd7b08..1eab640 100644
--- a/src/cc-timezone-map.c
+++ b/src/cc-timezone-map.c
@@ -897,14 +897,20 @@ set_location (CcTimezoneMap *map,
 
   priv->location = location;
 
-  info = tz_info_from_location (priv->location);
-
-  priv->selected_offset = tz_location_get_utc_offset (priv->location)
-    / (60.0*60.0) + ((info->daylight) ? -1.0 : 0.0);
+  if (priv->location)
+  {
+    info = tz_info_from_location (priv->location);
+    priv->selected_offset = tz_location_get_utc_offset (priv->location)
+        / (60.0*60.0) + ((info->daylight) ? -1.0 : 0.0);
+    tz_info_free (info);
+  }
+  else
+  {
+    priv->selected_offset = 0.0;
+  }
 
   g_signal_emit (map, signals[LOCATION_CHANGED], 0, priv->location);
 
-  tz_info_free (info);
 }
 
 static CcTimezoneLocation *
@@ -1208,3 +1214,18 @@ cc_timezone_map_get_location (CcTimezoneMap *map)
 {
   return map->priv->location;
 }
+
+/**
+ * cc_timezone_map_clear_location:
+ * @map: A #CcTimezoneMap
+ *
+ * Clear the location currently set for the #CcTimezoneMap. This will remove
+ * the highlight and reset the map to its original state.
+ *
+ */
+void
+cc_timezone_map_clear_location (CcTimezoneMap *map)
+{
+  set_location(map, NULL);
+  gtk_widget_queue_draw (GTK_WIDGET (map));
+}
diff --git a/src/cc-timezone-map.h b/src/cc-timezone-map.h
index 15f2e0b..4737c0e 100644
--- a/src/cc-timezone-map.h
+++ b/src/cc-timezone-map.h
@@ -82,6 +82,7 @@ void cc_timezone_map_set_coords (CcTimezoneMap *map,
 const gchar * cc_timezone_map_get_timezone_at_coords (CcTimezoneMap *map,
                                                       gdouble lon, gdouble lat);
 CcTimezoneLocation * cc_timezone_map_get_location (CcTimezoneMap *map);
+void cc_timezone_map_clear_location(CcTimezoneMap *map);
 
 G_END_DECLS
 
-- 
1.8.4.2