From 4cd286d83fddc05fb01c05a1514e399bca0839c3 Mon Sep 17 00:00:00 2001
From: Gergely Polonkai <gergely@polonkai.eu>
Date: Wed, 11 Sep 2013 03:34:07 +0200
Subject: [PATCH] Added gswe_moment_{get,set}_coordinates() to the API

---
 src/gswe-moment.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++
 src/gswe-moment.h |  2 ++
 2 files changed, 51 insertions(+)

diff --git a/src/gswe-moment.c b/src/gswe-moment.c
index 520148c..8e59ae5 100644
--- a/src/gswe-moment.c
+++ b/src/gswe-moment.c
@@ -74,6 +74,7 @@ static void gswe_moment_dispose(GObject *gobject);
 static void gswe_moment_finalize(GObject *gobject);
 static void gswe_moment_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
 static void gswe_moment_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
+static GsweCoordinates *gswe_coordinates_copy(GsweCoordinates *coordinates);
 
 G_DEFINE_TYPE(GsweMoment, gswe_moment, G_TYPE_OBJECT);
 
@@ -241,6 +242,54 @@ gswe_moment_get_timestamp(GsweMoment *moment)
     return moment->priv->timestamp;
 }
 
+/**
+ * gswe_moment_set_coordinates:
+ * @moment: a GsweMoment
+ * @longitude: the longitude part of the coordinates, in degrees
+ * @latitude: the latitude part of the coordinates, in degrees
+ * @altitude: the altitude part of the coordinates, in meters. As also noted in
+ *            the README, it is safe to pass a value of around 400.0, unless
+ *            you want to create a *really* precise chart
+ *
+ * Sets the coordinates associated with @moment. Emits the ::changed signal on
+ * @moment. All values depending on the coordinates (planetary and house cusp
+ * positions, aspects, mirrorpoints, so basically everything) should be
+ * re-fetched after changing it.
+ */
+void
+gswe_moment_set_coordinates(GsweMoment *moment, gdouble longitude, gdouble latitude, gdouble altitude)
+{
+    moment->priv->coordinates.longitude = longitude;
+    moment->priv->coordinates.latitude = latitude;
+    moment->priv->coordinates.altitude = altitude;
+    moment->priv->revision++;
+    gswe_moment_emit_changed(moment);
+}
+
+/**
+ * gswe_moment_get_coordinates:
+ * @moment: a GsweMoment
+ *
+ * Gets the coordinates associated with @moment.
+ *
+ * Returns: (transfer full): a newly allocated GsweCoordinates structure with
+ *          the coordinates associated with @moment. The returned pointer
+ *          should be freed with g_free if you don't need it any more.
+ */
+GsweCoordinates *
+gswe_moment_get_coordinates(GsweMoment *moment)
+{
+    return gswe_coordinates_copy(&(moment->priv->coordinates));
+}
+
+/**
+ * gswe_moment_error_quark:
+ *
+ * Returns the #GQuark that will be used for #GError values returned by the
+ * SWE-GLib API.
+ *
+ * Returns: a GQuark used to identify errors coming from the SWE-GLib API
+ */
 GQuark
 gswe_moment_error_quark(void)
 {
diff --git a/src/gswe-moment.h b/src/gswe-moment.h
index fc459d2..1f727a8 100644
--- a/src/gswe-moment.h
+++ b/src/gswe-moment.h
@@ -189,6 +189,8 @@ GsweMoment *gswe_moment_new(void);
 GsweMoment *gswe_moment_new_full(GsweTimestamp *timestamp, gdouble longitude, gdouble latitude, gdouble altitude, GsweHouseSystem house_system);
 void gswe_moment_set_timestamp(GsweMoment *moment, GsweTimestamp *timestamp);
 GsweTimestamp *gswe_moment_get_timestamp(GsweMoment *moment);
+void gswe_moment_set_coordinates(GsweMoment *moment, gdouble longitude, gdouble latitude, gdouble altitude);
+GsweCoordinates *gswe_moment_get_coordinates(GsweMoment *moment);
 GList *gswe_moment_get_house_cusps(GsweMoment *moment, GError **err);
 gint gswe_moment_get_house(GsweMoment *moment, gdouble position, GError **err);
 gboolean gswe_moment_has_planet(GsweMoment *moment, GswePlanet planet);