[libdazzle] properties-group: implement action removal

[Christian Hergert <chergert src gnome org>]

commit 3379030e8c908c7b3323dcb3053716faade96ce0
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jul 7 14:12:40 2017 -0700

    properties-group: implement action removal

 src/actions/dzl-properties-group.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/src/actions/dzl-properties-group.c b/src/actions/dzl-properties-group.c
index 16d7db2..c00816b 100644
--- a/src/actions/dzl-properties-group.c
+++ b/src/actions/dzl-properties-group.c
@@ -749,4 +749,18 @@ dzl_properties_group_remove (DzlPropertiesGroup *self,
 {
   g_return_if_fail (DZL_IS_PROPERTIES_GROUP (self));
   g_return_if_fail (name != NULL);
+
+  name = g_intern_string (name);
+
+  for (guint i = 0; i < self->mappings->len; i++)
+    {
+      const Mapping *mapping = &g_array_index (self->mappings, Mapping, i);
+
+      if (mapping->action_name == name)
+        {
+          g_array_remove_index_fast (self->mappings, i);
+          g_action_group_action_removed (G_ACTION_GROUP (self), name);
+          break;
+        }
+    }
 }