Inputbox set minimum width entry field

include/nana/gui/msgbox.hpp

@@ -46,7 +46,7 @@ namespace nana
 		/// Construct that creates a message box with a specified title and default button.
 		msgbox(const ::std::string&);
 
-		/// Construct that creates a message box with an owner windoow, a specified title and buttons. 
+		/// Construct that creates a message box with an owner windoow, a specified title and buttons.
 		msgbox(window, const ::std::string&, button_t = ok);
 
 		/// Sets an icon for informing user.
@@ -108,6 +108,7 @@ namespace nana
 			virtual window create(window, unsigned label_px) = 0;
 			virtual unsigned fixed_pixels() const;
 		};
+
 	public:
 		class boolean
 			: public abstract_content
@@ -240,7 +241,6 @@ namespace nana
 		{
 			std::vector<abstract_content*> contents;
 			_m_fetch_args(contents, std::forward<Args>(args)...);
-			
 			if (contents.empty())
 				return false;
 
@@ -261,6 +261,14 @@ namespace nana
 
 		/// Sets a verifier to verify the user input.
 		void verify(std::function<bool(window)> verifier);
+
+		/** Sets the minimum width for the entry fields
+            @param[in] pixels  new minimum width
+
+            If not called, the default is 100 pixels
+        */
+		void min_width_entry_field( int pixels );
+
 	private:
 		void _m_fetch_args(std::vector<abstract_content*>&);
 
@@ -279,6 +287,7 @@ namespace nana
 		std::function<bool(window)> verifier_;
 		::nana::paint::image images_[4];
 		::nana::rectangle valid_areas_[4];
+        int min_width_entry_field_pixels_;
 	};
 }//end namespace nana
 #include <nana/pop_ignore_diagnostic>