[glibmm] VariantType: Add create_tuple().

[Josà Alburquerque <jaalburqu src gnome org>]

commit fadf0377c5f4513ddc2175a091d55fe76d7a44a4
Author: Andrew Potter <agpotter gmail com>
Date:   Tue Nov 20 19:13:58 2012 -0500

    VariantType: Add create_tuple().
    
    	* glib/src/varianttype.{ccg,hg}: Add the method following the style of
    	VariantContainerBase::create_tuple(), completing a TODO.
    
    	Bug #688682.

 ChangeLog                |    9 +++++++++
 glib/src/varianttype.ccg |   15 +++++++++++++++
 glib/src/varianttype.hg  |   12 ++++++++++--
 3 files changed, 34 insertions(+), 2 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index a5907db..d63742f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2012-11-20  Andrew Potter  <agpotter gmail com>
+
+	VariantType: Add create_tuple().
+
+	* glib/src/varianttype.{ccg,hg}: Add the method following the style of
+	VariantContainerBase::create_tuple(), completing a TODO.
+
+	Bug #688682.
+
 2012-11-20  Josà Alburquerque  <jaalburquerque gmail com>
 
 	VariantType: Correct the referencing in the create*() methods.
diff --git a/glib/src/varianttype.ccg b/glib/src/varianttype.ccg
index 6cd317e..5493ead 100644
--- a/glib/src/varianttype.ccg
+++ b/glib/src/varianttype.ccg
@@ -51,6 +51,21 @@ VariantType& VariantType::operator=(const GVariantType* castitem)
 }
 
 
+VariantType VariantType::create_tuple(const std::vector<VariantType>& items)
+{
+  typedef GVariantType* var_ptr;
+  var_ptr* const var_array = new var_ptr[items.size()];
+
+  for(std::vector<VariantType>::size_type i = 0; i < items.size(); i++)
+  {
+    var_array[i] = const_cast<GVariantType*>(items[i].gobj());
+  }
+
+  VariantType result = Glib::wrap(g_variant_type_new_tuple(var_array, items.size()));
+  delete[] var_array;
+  return result;
+}
+
 const VariantType VARIANT_TYPE_BOOL(G_VARIANT_TYPE_BOOLEAN);
 
 const VariantType VARIANT_TYPE_BYTE(G_VARIANT_TYPE_BYTE);
diff --git a/glib/src/varianttype.hg b/glib/src/varianttype.hg
index e5e8973..5cc8f7f 100644
--- a/glib/src/varianttype.hg
+++ b/glib/src/varianttype.hg
@@ -20,6 +20,7 @@ _DEFS(glibmm,glib)
 #include <glibmmconfig.h>
 #include <glib-object.h> //For gsize
 #include <string>
+#include <vector>
 
 #ifndef DOXYGEN_SHOULD_SKIP_THIS
 typedef struct _GVariantType GVariantType;
@@ -113,8 +114,15 @@ public:
   _WRAP_METHOD(static VariantType create_array(const VariantType& element), g_variant_type_new_array)
   _WRAP_METHOD(static VariantType create_maybe(const VariantType& element), g_variant_type_new_maybe)
 
-  //TODO: Use a single list parameter:
-  //_WRAP_METHOD(static VariantType create_tuple(const GVariantType * const *items, gint length), g_variant_type_new_tuple)
+  /** Constructs a new tuple type, from @a items.
+    *
+    * @param items A vector of VariantTypes, one for each item.
+    * @return A new tuple VariantType.
+    *
+    * @newin{2,36}
+    */
+  static VariantType create_tuple(const std::vector<VariantType>& items);
+  _IGNORE(g_variant_type_new_tuple)
 
   _WRAP_METHOD(static VariantType create_dict_entry(const VariantType& key, const VariantType& value), g_variant_type_new_dict_entry)