From 68c3e73996ee747c5ca777d67a87b1781d33f236 Mon Sep 17 00:00:00 2001
From: Kjell Ahlstedt <kjellahlstedt@gmail.com>
Date: Mon, 18 Mar 2019 16:33:11 +0100
Subject: Glib::Value: Add Value<std::vector<string>> specializations

Add Value<std::vector<std::string>> and Value<std::vector<Glib::ustring>>.
One of them is needed in _WRAP_PROPERTY("names", std::vector<Glib::ustring>)
in Gio::ThemedIcon and in _WRAP_PROPERTYs in gtkmm.
---
 glib/glibmm/value.cc | 39 +++++++++++++++++++++++++++++++++++++++
 glib/glibmm/value.h  | 31 +++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+)

diff --git a/glib/glibmm/value.cc b/glib/glibmm/value.cc
index 1c01338b..664d33c0 100644
--- a/glib/glibmm/value.cc
+++ b/glib/glibmm/value.cc
@@ -17,6 +17,7 @@
 #include <glibmm/value.h>
 #include <glibmm/objectbase.h>
 #include <glibmm/utility.h>
+#include <glibmm/vectorutils.h>
 #include <glibmm/wrap.h>
 #include <cstring> // std::memset()
 
@@ -324,4 +325,42 @@ Value<Glib::ustring>::set(const Glib::ustring& data)
   g_value_set_string(&gobject_, data.c_str());
 }
 
+/**** Glib::Value<std::vector<std::string>> ********************************/
+
+// static
+GType Value<std::vector<std::string>>::value_type()
+{
+  return G_TYPE_STRV;
+}
+
+void Value<std::vector<std::string>>::set(const CppType& data)
+{
+  set_boxed(Glib::ArrayHandler<std::string>::vector_to_array(data).data());
+}
+
+std::vector<std::string> Value<std::vector<std::string>>::get() const
+{
+  return Glib::ArrayHandler<std::string>::array_to_vector(
+    static_cast<const char* const*>(get_boxed()), Glib::OWNERSHIP_NONE);
+}
+
+/**** Glib::Value<std::vector<Glib::ustring>> ********************************/
+
+// static
+GType Value<std::vector<Glib::ustring>>::value_type()
+{
+  return G_TYPE_STRV;
+}
+
+void Value<std::vector<Glib::ustring>>::set(const CppType& data)
+{
+  set_boxed(Glib::ArrayHandler<Glib::ustring>::vector_to_array(data).data());
+}
+
+std::vector<Glib::ustring> Value<std::vector<Glib::ustring>>::get() const
+{
+  return Glib::ArrayHandler<Glib::ustring>::array_to_vector(
+    static_cast<const char* const*>(get_boxed()), Glib::OWNERSHIP_NONE);
+}
+
 } // namespace Glib
diff --git a/glib/glibmm/value.h b/glib/glibmm/value.h
index 0ab4407a..688e773d 100644
--- a/glib/glibmm/value.h
+++ b/glib/glibmm/value.h
@@ -22,6 +22,7 @@
 #include <glibmm/ustring.h>
 #include <glibmm/enums.h>
 #include <glib-object.h>
+#include <vector>
 
 namespace Glib
 {
@@ -320,6 +321,36 @@ public:
   Glib::ustring get() const { return get_cstring(); }
 };
 
+/** Specialization for vectors of strings.
+ * @ingroup glibmmValue
+ */
+template <>
+class Value<std::vector<std::string>> : public ValueBase_Boxed
+{
+public:
+  using CppType = std::vector<std::string>;
+
+  static GType value_type();
+
+  void set(const CppType& data);
+  CppType get() const;
+};
+
+/** Specialization for vectors of UTF-8 strings.
+ * @ingroup glibmmValue
+ */
+template <>
+class Value<std::vector<Glib::ustring>> : public ValueBase_Boxed
+{
+public:
+  using CppType = std::vector<Glib::ustring>;
+
+  static GType value_type();
+
+  void set(const CppType& data);
+  CppType get() const;
+};
+
 /** Base class of Glib::Value<T> specializations for enum types.
  * @ingroup glibmmValue
  */
-- 
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