app: Add gimp_enum_get_value_name() utility function

app/core/gimp-utils.c

@@ -685,6 +685,32 @@ gimp_markup_extract_text (const gchar *markup)
   return g_string_free (string, FALSE);
 }
 
+/**
+ * gimp_enum_get_value_name:
+ * @enum_type: Enum type
+ * @value:     Enum value
+ *
+ * Returns the value name for a given value of a given enum
+ * type. Useful to have inline in GIMP_LOG() messages for example.
+ *
+ * Returns: The value name.
+ **/
+const gchar *
+gimp_enum_get_value_name (GType enum_type,
+                          gint  value)
+{
+  const gchar *value_name = NULL;
+  
+  gimp_enum_get_value (enum_type,
+                       value,
+                       &value_name,
+                       NULL /*value_nick*/,
+                       NULL /*value_desc*/,
+                       NULL /*value_help*/);
+
+  return value_name;
+}
+
 /**
  * gimp_utils_point_to_line_distance:
  * @point:              The point to calculate the distance for.

app/core/gimp-utils.h

@@ -78,6 +78,8 @@ GimpObject * gimp_container_get_neighbor_of_active (GimpContainer   *container,
 
 gchar      * gimp_markup_extract_text              (const gchar     *markup);
 
+const gchar* gimp_enum_get_value_name              (GType            enum_type,
+                                                    gint             value);
 
 /* Common values for the n_snap_lines parameter of
  * gimp_constrain_line.