From: Kaj-Michael Lang <milang@tal.org>
Date: Wed, 16 Jul 2008 13:38:50 +0000 (+0300)
Subject: MapWidget: add gtk_map_goto_position() function to set center from a Position
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=377e1b01c17dbd5831d81333dcdef8a1ac41857c;p=mapper

MapWidget: add gtk_map_goto_position() function to set center from a Position
---

diff --git a/libs/libgtkmap/gtkmap.c b/libs/libgtkmap/gtkmap.c
index 98ab2f2..8fcaf7b 100644
--- a/libs/libgtkmap/gtkmap.c
+++ b/libs/libgtkmap/gtkmap.c
@@ -2045,6 +2045,26 @@ priv=GTK_MAP_GET_PRIVATE(map);
 unit2latlon(priv->center.unitx, priv->center.unity, lat, lon);
 }
 
+/**
+ * gtk_map_goto_position:
+ * @pos: A Position to center on
+ *
+ * Centers map view on given Position if it's valid.
+ *
+ * Returns TRUE if Position was valid and view was centered. FALSE otherwise.
+ */
+gboolean
+gtk_map_goto_position(GtkWidget *widget, Position *pos)
+{
+g_return_if_fail(GTK_IS_MAP(widget));
+g_return_if_fail(pos);
+
+if (pos->valid==FALSE)
+	return FALSE;
+gtk_map_set_center_latlon(widget, pos->lat, pos->lon);
+return TRUE;
+}
+
 /**
  * gtk_map_pan:
  * @delta_x:
diff --git a/libs/libgtkmap/gtkmap.h b/libs/libgtkmap/gtkmap.h
index 3c85199..0b85ab1 100644
--- a/libs/libgtkmap/gtkmap.h
+++ b/libs/libgtkmap/gtkmap.h
@@ -145,6 +145,8 @@ void gtk_map_get_center(GtkWidget *map, guint *unitx, guint *unity);
 void gtk_map_set_center_latlon(GtkWidget *map, gdouble lat, gdouble lon);
 void gtk_map_get_center_latlon(GtkWidget *map, gdouble *lat, gdouble *lon);
 
+gboolean gtk_map_goto_position(GtkWidget *widget, Position *pos);
+
 gboolean gtk_map_set_center_mode(GtkWidget *widget, GtkMapCenterMode mode);
 GtkMapCenterMode gtk_map_get_center_mode(GtkWidget *widget);