From 57303d302c941612b344b9391b6f093839ab180e Mon Sep 17 00:00:00 2001
From: Jinhao <cnjinhao@hotmail.com>
Date: Wed, 6 Jan 2016 04:25:48 +0800
Subject: [PATCH] add move-constructor and move-assignment for class dragger

---
 include/nana/gui/dragger.hpp | 20 +++++++++++++++++++-
 source/gui/dragger.cpp       | 29 +++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/include/nana/gui/dragger.hpp b/include/nana/gui/dragger.hpp
index 9846b672..e34094ef 100644
--- a/include/nana/gui/dragger.hpp
+++ b/include/nana/gui/dragger.hpp
@@ -1,6 +1,20 @@
+/*
+*	A Dragger Implementation
+*	Nana C++ Library(http://www.nanapro.org)
+*	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
+*
+*	Distributed under the Boost Software License, Version 1.0.
+*	(See accompanying file LICENSE_1_0.txt or copy at
+*	http://www.boost.org/LICENSE_1_0.txt)
+*
+*	@file: nana/gui/dragger.hpp
+*/
+
 #ifndef NANA_GUI_DRAGGER_HPP
 #define NANA_GUI_DRAGGER_HPP
-#include "programming_interface.hpp"
+#include "basis.hpp"
+#include "../basic_types.hpp"
+#include "../traits.hpp"
 
 namespace nana
 {
@@ -18,6 +32,10 @@ namespace nana
 	public:
 		dragger();
 		~dragger();
+
+		dragger(dragger&&);
+		dragger& operator=(dragger&&);
+
 		void target(window);
 		void target(window, const rectangle& restrict_area, nana::arrange);
 		void remove_target(window);
diff --git a/source/gui/dragger.cpp b/source/gui/dragger.cpp
index 8b865891..43a56ba2 100644
--- a/source/gui/dragger.cpp
+++ b/source/gui/dragger.cpp
@@ -1,5 +1,17 @@
+/*
+*	A Dragger Implementation
+*	Nana C++ Library(http://www.nanapro.org)
+*	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
+*
+*	Distributed under the Boost Software License, Version 1.0.
+*	(See accompanying file LICENSE_1_0.txt or copy at
+*	http://www.boost.org/LICENSE_1_0.txt)
+*
+*	@file: nana/gui/dragger.cpp
+*/
 
 #include <nana/gui/dragger.hpp>
+#include <nana/gui/programming_interface.hpp>
 
 namespace nana
 {
@@ -180,6 +192,23 @@ namespace nana
 			delete impl_;
 		}
 
+		dragger::dragger(dragger&& other)
+			: impl_(other.impl_)
+		{
+			other.impl_ = nullptr;
+		}
+
+		dragger& dragger::operator=(dragger&& other)
+		{
+			if (this != &other)
+			{
+				delete impl_;
+				impl_ = other.impl_;
+				other.impl_ = nullptr;
+			}
+			return *this;
+		}
+
 		void dragger::target(window wd)
 		{
 			impl_->drag_target(wd, rectangle(), nana::arrange::horizontal_vertical);