Fixed some syntax errors and clang compiling warnings

GCC/VS2013/Clang is tested

include/nana/gui/widgets/checkbox.hpp

@@ -44,7 +44,6 @@ namespace drawerbase
 		private:
 			static const int interval = 4;
 			widget* widget_;
-			unsigned state_;
 			std::unique_ptr<implement> imptr_;
 			implement * impl_;
 		};

include/nana/gui/widgets/date_chooser.hpp

@@ -58,7 +58,7 @@ namespace nana
 				bool _m_get_trace(point, int & res);
 				void _m_perf_transform(transform_action tfid, graph_reference,  graph_reference dirtybuf, graph_reference newbuf, const nana::point& refpos);
 			private:
-				void refresh(graph_reference);
+				void refresh(graph_reference) override;
 				void attached(widget_reference, graph_reference)	override;
 				void mouse_move(graph_reference, const arg_mouse&)	override;
 				void mouse_leave(graph_reference, const arg_mouse&)	override;

include/nana/gui/widgets/progress.hpp

@@ -44,7 +44,6 @@ namespace nana
 				widget * widget_;
 				nana::paint::graphics* graph_;
 				unsigned draw_width_;
-				bool has_value_;
 				bool unknown_;
 				unsigned max_;
 				unsigned value_;

include/nana/gui/widgets/scroll.hpp

@@ -180,7 +180,7 @@ namespace nana
 					return false;
 				}
 			private:
-				void attached(widget_reference widget, graph_reference graph)
+				void attached(widget_reference widget, graph_reference graph) override
 				{
 					graph_ = &graph;
 					widget_ = static_cast< ::nana::scroll<Vertical>*>(&widget);
@@ -190,12 +190,12 @@ namespace nana
 					timer_.elapse(std::bind(&trigger::_m_tick, this));
 				}
 
-				void detached()
+				void detached() override
 				{
 					graph_ = nullptr;
 				}
 
-				void refresh(graph_reference graph)
+				void refresh(graph_reference graph) override
 				{
 					drawer_.draw(graph, metrics_.what);
 				}
@@ -213,7 +213,7 @@ namespace nana
 					API::lazy_refresh();
 				}
 
-				void mouse_move(graph_reference graph, const ::nana::arg_mouse& arg)
+				void mouse_move(graph_reference graph, const ::nana::arg_mouse& arg) override
 				{
 					bool redraw = false;
 					if(metrics_.pressed && (metrics_.what == buttons::scroll))
@@ -240,7 +240,7 @@ namespace nana
 					}
 				}
 
-				void mouse_down(graph_reference graph, const arg_mouse& arg)
+				void mouse_down(graph_reference graph, const arg_mouse& arg) override
 				{
 					if(arg.left_button)
 					{
@@ -275,7 +275,7 @@ namespace nana
 					}
 				}
 
-				void mouse_up(graph_reference graph, const arg_mouse& arg)
+				void mouse_up(graph_reference graph, const arg_mouse& arg) override
 				{
 					timer_.stop();
 
@@ -287,7 +287,7 @@ namespace nana
 					API::lazy_refresh();
 				}
 
-				void mouse_leave(graph_reference graph, const arg_mouse&)
+				void mouse_leave(graph_reference graph, const arg_mouse&) override
 				{
 					if(metrics_.pressed) return;
 
@@ -296,7 +296,7 @@ namespace nana
 					API::lazy_refresh();
 				}
 
-				void mouse_wheel(graph_reference graph, const arg_wheel& arg)
+				void mouse_wheel(graph_reference graph, const arg_wheel& arg) override
 				{
 					if(make_step(arg.upwards == false, 3))
 					{

include/nana/gui/widgets/skeletons/text_token_stream.hpp

@@ -45,9 +45,7 @@ namespace nana{ namespace widgets{	namespace skeletons
 		tokenizer(const nana::string& s, bool format_enabled)
 			:	iptr_(s.data()),
 				endptr_(s.data() + s.size()),
-				format_enabled_(format_enabled),
-				format_state_(false),
-				revert_token_(token::eof)
+				format_enabled_(format_enabled)
 		{
 		}
 
@@ -414,17 +412,14 @@ namespace nana{ namespace widgets{	namespace skeletons
 			}
 		}
 	private:
-		const nana::char_t * iptr_;
-		const nana::char_t * endptr_;
+		const ::nana::char_t * iptr_;
+		const ::nana::char_t * endptr_;
 		const bool	format_enabled_;
-		bool	format_state_;
+		bool	format_state_{false};
 
-		nana::string idstr_;
+		::nana::string idstr_;
 		std::pair<nana::string, nana::string> binary_;
-
-		std::size_t	whspace_size_;
-
-		token revert_token_;
+		token revert_token_{token::eof};
 	};
 
 	//The fblock states a format, and a format from which it is inherted
@@ -528,7 +523,7 @@ namespace nana{ namespace widgets{	namespace skeletons
 	{
 	public:
 		data_image(const nana::string& imgpath, const nana::size & sz, std::size_t limited)
-			: image_(imgpath), limited_(limited)
+			: image_(imgpath)//, limited_(limited)
 		{
 			size_ = image_.size();
 
@@ -597,7 +592,6 @@ namespace nana{ namespace widgets{	namespace skeletons
 		nana::string str_;
 		nana::paint::image image_;
 		nana::size size_;
-		std::size_t limited_;
 	};
 
 	class dstream
@@ -928,7 +922,6 @@ namespace nana{ namespace widgets{	namespace skeletons
 		}
 
 	private:
-		bool format_enabled_;
 		std::vector<fblock*> fblocks_;
 		std::list<std::deque<value> > lines_;
 

include/nana/gui/widgets/widget.hpp

@@ -200,7 +200,7 @@ namespace nana
 			}
 		}
 
-		general_events& _m_get_general_events() const
+		general_events& _m_get_general_events() const override
 		{
 			return *events_;
 		}
@@ -275,7 +275,7 @@ namespace nana
 			}
 		}
 
-		general_events& _m_get_general_events() const
+		general_events& _m_get_general_events() const override
 		{
 			return *events_;
 		}
@@ -404,7 +404,7 @@ namespace nana
 			API::dev::attach_drawer(*this, trigger_);
 		}
 
-		general_events& _m_get_general_events() const
+		general_events& _m_get_general_events() const override
 		{
 			return *events_;
 		}
@@ -487,7 +487,7 @@ namespace nana
 			}
 		}
 
-		general_events& _m_get_general_events() const
+		general_events& _m_get_general_events() const override
 		{
 			return *events_;
 		}

include/nana/internationalization.hpp

@@ -127,7 +127,7 @@ namespace nana
 		class arg_eval;
 
 		template<typename Return>
-		class arg_function
+		class arg_function: public eval_arg
 		{
 		public:
 			arg_function(std::function<Return()> fn)
@@ -208,4 +208,4 @@ namespace nana
 	};//end class i18n_eval;
 }
 
-#endif//NANA_I18N_HPP
+#endif//NANA_I18N_HPP