[libchamplain] Add champlain_marker_layer_get_selected() to retrieve selected markers

[Jiří Techet <jiritechet src gnome org>]

commit 339647b0a9ac77e5fe226b71dbce9c1c5cfce128
Author: JiÅ?í Techet <techet gmail com>
Date:   Sat Feb 19 22:30:59 2011 +0100

    Add champlain_marker_layer_get_selected() to retrieve selected markers

 champlain/champlain-marker-layer.c       |   36 ++++++++++++++++++++++++++++++
 champlain/champlain-marker-layer.h       |    1 +
 docs/reference/libchamplain-sections.txt |    1 +
 3 files changed, 38 insertions(+), 0 deletions(-)
---
diff --git a/champlain/champlain-marker-layer.c b/champlain/champlain-marker-layer.c
index bf94af9..1fabb0a 100644
--- a/champlain/champlain-marker-layer.c
+++ b/champlain/champlain-marker-layer.c
@@ -522,6 +522,42 @@ champlain_marker_layer_get_markers (ChamplainMarkerLayer *layer)
 
 
 /**
+ * champlain_marker_layer_get_selected:
+ * @layer: a #ChamplainMarkerLayer
+ *
+ * Gets a list of selected markers.
+ * 
+ * Returns: (transfer container) (element-type ChamplainMarker): the list
+ *
+ * Since: 0.10
+ */
+GList *
+champlain_marker_layer_get_selected (ChamplainMarkerLayer *layer)
+{
+  ChamplainMarkerLayerPrivate *priv = GET_PRIVATE (layer);
+  GList *elem;
+  GList *markers;
+  GList *selected = NULL;
+
+  g_return_val_if_fail (CHAMPLAIN_IS_MARKER_LAYER (layer), NULL);
+
+  markers = clutter_container_get_children (CLUTTER_CONTAINER (priv->content_group));
+  
+  for (elem = markers; elem != NULL; elem = elem->next)
+    {
+      ChamplainMarker *marker = CHAMPLAIN_MARKER (elem->data);
+
+      if (champlain_marker_get_selected (marker))
+        selected = g_list_append (selected, marker);
+    }
+
+  g_list_free (markers);
+  
+  return selected;
+}
+
+
+/**
  * champlain_marker_layer_remove_marker:
  * @layer: a #ChamplainMarkerLayer
  * @marker: a #ChamplainMarker
diff --git a/champlain/champlain-marker-layer.h b/champlain/champlain-marker-layer.h
index ac311b5..79b7f93 100644
--- a/champlain/champlain-marker-layer.h
+++ b/champlain/champlain-marker-layer.h
@@ -93,6 +93,7 @@ void champlain_marker_layer_remove_marker (ChamplainMarkerLayer *layer,
     ChamplainMarker *marker);
 void champlain_marker_layer_remove_all (ChamplainMarkerLayer *layer);
 GList *champlain_marker_layer_get_markers (ChamplainMarkerLayer *layer);
+GList *champlain_marker_layer_get_selected (ChamplainMarkerLayer *layer);
 
 void champlain_marker_layer_animate_in_all_markers (ChamplainMarkerLayer *layer);
 void champlain_marker_layer_animate_out_all_markers (ChamplainMarkerLayer *layer);
diff --git a/docs/reference/libchamplain-sections.txt b/docs/reference/libchamplain-sections.txt
index c22feda..e355a3a 100644
--- a/docs/reference/libchamplain-sections.txt
+++ b/docs/reference/libchamplain-sections.txt
@@ -315,6 +315,7 @@ champlain_marker_layer_add_marker
 champlain_marker_layer_remove_marker
 champlain_marker_layer_remove_all
 champlain_marker_layer_get_markers
+champlain_marker_layer_get_selected
 champlain_marker_layer_animate_in_all_markers
 champlain_marker_layer_animate_out_all_markers
 champlain_marker_layer_show_all_markers