From 6ba23bb6c3dfe32516824f588726371e82339df8 Mon Sep 17 00:00:00 2001
From: Jinhao <cnjinhao@hotmail.com>
Date: Sun, 12 Apr 2015 23:28:48 +0800
Subject: [PATCH] add header_width() methods for getting/setting header width.

---
 include/nana/gui/widgets/listbox.hpp |  2 ++
 source/gui/widgets/listbox.cpp       | 29 +++++++++++++++++++++++++---
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/include/nana/gui/widgets/listbox.hpp b/include/nana/gui/widgets/listbox.hpp
index 1bc087be..10e5dab0 100644
--- a/include/nana/gui/widgets/listbox.hpp
+++ b/include/nana/gui/widgets/listbox.hpp
@@ -474,6 +474,8 @@ By \a clicking on a header the list get \a reordered, first up, and then down al
 		void auto_draw(bool);                                ///<Set state: Redraw automatically after an operation?
 
 		void append_header(nana::string, unsigned width = 120);///<Appends a new column with a header text and the specified width at the end
+		listbox& header_width(size_type pos, unsigned pixels);
+		unsigned header_width(size_type pos) const;
 
 		cat_proxy append(nana::string);          ///<Appends a new category at the end
 		void append(std::initializer_list<nana::string>); ///<Appends categories at the end
diff --git a/source/gui/widgets/listbox.cpp b/source/gui/widgets/listbox.cpp
index b7109af9..71189b6f 100644
--- a/source/gui/widgets/listbox.cpp
+++ b/source/gui/widgets/listbox.cpp
@@ -366,18 +366,28 @@ namespace nana
 					cont_.emplace_back(std::move(text), pixels, static_cast<size_type>(cont_.size()));
 				}
 
-				void item_width(size_type index, unsigned width)
+				void item_width(size_type pos, unsigned width)
 				{
-					if (index >= cont_.size())
+					if (pos >= cont_.size())
 						return;
 
 					for(auto & m : cont_)
 					{
-						if(m.index == index)
+						if(m.index == pos)
 							m.pixels = width;
 					}
 				}
 
+				unsigned item_width(size_type pos) const
+				{
+					for (auto & m : cont_)
+					{
+						if (m.index == pos)
+							return m.pixels;
+					}
+					return 0;
+				}
+
 				unsigned pixels() const
 				{
 					unsigned pixels = 0;
@@ -3602,6 +3612,19 @@ namespace nana
 			ess.update();
 		}
 
+		listbox& listbox::header_width(size_type pos, unsigned pixels)
+		{
+			auto & ess = _m_ess();
+			ess.header.item_width(pos, pixels);
+			ess.update();
+			return *this;
+		}
+
+		unsigned listbox::header_width(size_type pos) const
+		{
+			return _m_ess().header.item_width(pos);
+		}
+
 		listbox::cat_proxy listbox::append(nana::string s)
 		{
 			internal_scope_guard lock;