fix misspellings

include/nana/gui/layout_utility.hpp

@@ -17,10 +17,10 @@
 
 namespace nana
 {
-	//overlap test if overlaped between r1 and r2
+	//overlap test if overlapped between r1 and r2
 	bool overlapped(const rectangle& r1, const rectangle& r2);
 
-	// overlap, compute the overlap area between r1 and r2. the r is for root
+	// overlap, compute the overlapping area between r1 and r2. the r is for root
 	bool overlap(const rectangle& r1, const rectangle& r2, rectangle& r);
 
 	bool overlap(const rectangle& ir, const size& valid_input_area, const rectangle & dr, const size& valid_dst_area, rectangle& output_src_r, rectangle& output_dst_r);
@@ -37,7 +37,7 @@ namespace nana
 
 	//covered
 	//@brief:	Tests a rectangle whether it is wholly covered by another.
-	bool covered(const rectangle& underlying, //Rectangle 1 is must under rectangle 2
+	bool covered(const rectangle& underlying, // 1st rectangle must be placed under 2nd rectangle
 						const rectangle& cover);
 }//end namespace nana
 #endif

include/nana/gui/msgbox.hpp

@@ -21,7 +21,7 @@ namespace nana
 	//Forward declaration of filebox for msgbox
 	class filebox;
 
-	/// Prefabricated modal dialog box (with text, icon and actions buttons) that inform and instruct the user.
+	/// Prefabricated modal dialog box (with text, icon and actions buttons) that informs and instructs the user.
 	class msgbox
 	{
 	public:
@@ -34,19 +34,19 @@ namespace nana
 		/// Identifiers of buttons that a user clicked.
 		enum pick_t{pick_ok, pick_yes, pick_no, pick_cancel};
 
-		/// Default construct that creates a message box with default title and default button, the default button is OK.
+		/// Default constructor that creates a message box with default title and default button, the default button is OK.
 		msgbox();
 
-		/// Copy construct from an existing msgbox object.
+		/// Copy constructor from an existing msgbox object.
 		msgbox(const msgbox&);
 
 		/// Assign from an existing msgbox object.
 		msgbox& operator=(const msgbox&);
 
-		/// Construct that creates a message box with a specified title and default button.
+		/// Constructor 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.
+		/// Constructor 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.

include/nana/gui/programming_interface.hpp

@@ -186,7 +186,7 @@ namespace API
 	void exit();	    ///< close all windows in current thread
 	void exit_all();	///< close all windows
 
-	/// @brief	Searchs whether the text contains a '&' and removes the character for transforming.
+	/// @brief	Searches whether the text contains a '&' and removes the character for transforming.
 	///			If the text contains more than one '&' charachers, the others are ignored. e.g
 	///			text = "&&a&bcd&ef", the result should be "&abcdef", shortkey = 'b', and pos = 2.
 	std::string transform_shortkey_text
@@ -344,11 +344,11 @@ namespace API
 
 	/// Refresh the window and display it immediately calling the refresh function of its drawer_trigger.
 	/*
-	 * The drawer::refresh() will be called. If the currently state is lazy_refrsh, the window is delayed to update the graphics until an event is finished.
+	 * The drawer::refresh() will be called. If the current state is lazy_refrsh, the window is delayed to update the graphics until an event is finished.
 	 * @param window_handle A handle to the window to be refreshed.
 	 */
 	void refresh_window(window window_handle);
-	void refresh_window_tree(window);      ///< Refreshes the specified window and all its children windows, then display it immediately
+	void refresh_window_tree(window);      ///< Refreshes the specified window and all its children windows, then displays it immediately
 	void update_window(window);            ///< Copies the off-screen buffer to the screen for immediate display.
 
 	void window_caption(window, const std::string& title_utf8);
@@ -418,8 +418,8 @@ namespace API
 	/// Enables or disables a window to receive a key_char event for pressing TAB key.
 	/*
 	 * @param window_handle A handle to the window to catch TAB key through key_char event.
-	 * @param enable Indicates whether to enable or disable catch of TAB key. If this parameter is *true*, the window is
+	 * @param enable Indicates whether to enable or disable catch of TAB key. If this parameter is *true*, the window
-	 * received a key_char when pressing TAB key, and the input focus is not changed. If this parameter is *false*, the
+	 * receives a key_char event when pressing TAB key, and the input focus is not changed. If this parameter is *false*, the
 	 * input focus is changed to the next tabstop window.
 	 */
 	void eat_tabstop(window window_handle, bool enable);

include/nana/gui/widgets/date_chooser.hpp

@@ -76,7 +76,7 @@ namespace nana
 
 		bool chose() const;
 		nana::date read() const;
-		void weekstr(unsigned index, ::std::string);///<Set the week strings which will be displayed for day, index is in range of [0, 6]
+		void weekstr(unsigned index, ::std::string);///<Set the week strings which will be displayed for day, index is in the range of [0, 6]
 	};
 }//end namespace nana
 #include <nana/pop_ignore_diagnostic>

include/nana/gui/widgets/form.hpp

@@ -51,7 +51,7 @@ namespace nana
 		}//end namespace form
 	}//end namespace drawerbase
 
-	/// \brief Pop-up window. Is different from other window widgets: its default  constructor create the window.
+	/// \brief Pop-up window. Is different from other window widgets: its default constructor creates the window.
 	/// \see nana::appearance
 	class form
 		: public drawerbase::form::form_base

include/nana/gui/widgets/group.hpp

@@ -55,12 +55,12 @@ namespace nana{
 		/// The construction that creates the widget
 		group(window parent, const rectangle& = {}, bool visible = true);
 
-		///  The construction that creates the widget and set the titel or caption
+		///  The construction that creates the widget and set the title or caption
 
 		group(window			parent,		///< a handle to the parent
-			  ::std::string	titel,		///< caption of the group
+			  ::std::string		title,		///< caption of the group
 			  bool				formatted = false,  ///< Enable/disable the formatted text for the title
-			  unsigned			gap = 2,			///< betwen the content  and the external limit
+			  unsigned			gap = 2,			///< between the content and the external limit
 			  const rectangle&	r = {} ,
 			  bool				visible = true
 		     );

include/nana/gui/widgets/menubar.hpp

@@ -79,7 +79,7 @@ namespace nana
 		
 		/// Deselects the menu
 		/**
-		 * If a menu is popped up, the menu deselects the item and close the popuped menu.
+		 * If a menu is popped up, the menu deselects the item and close the pop-upped menu.
 		 * @return true if an item is deselected, false otherwise.
 		 */
 		bool cancel();

include/nana/gui/widgets/panel.hpp

@@ -34,7 +34,7 @@ namespace nana
 			};
 		}// end namespace panel
 	}//end namespace drawerbase
-    /// For placing other widgets, where the bool template parameter determinte if it is  widget or lite_widget, wich in actual use make no difference.
+    /// For placing other widgets, where the bool template parameter determinte if it is widget or lite_widget, which in actual use makes no difference.
 	template<bool HasBackground>
 	class panel
 		: public widget_object<typename std::conditional<HasBackground, category::widget_tag, category::lite_widget_tag>::type,

include/nana/gui/widgets/picture.hpp

@@ -59,10 +59,10 @@ namespace nana
 		/// Enables the image to be stretched to the widget size.
 		void stretchable(unsigned left, unsigned top, unsigned right, unsigned bottom);
 
-		/// Enables/disable the image to be stretched without changing aspect ratio.
+		/// Enables/disables the image to be stretched without changing aspect ratio.
 		void stretchable(bool);
 
-        /// Fills a gradual-change color in background. If One of colors is invisible or clr_from is equal to clr_to, it draws background in bgcolor.
+        /// Fills a gradual-change color in background. If one of colors is invisible or clr_from is equal to clr_to, it draws background in bgcolor.
 		void set_gradual_background(const color& clr_from, const color& clr_to, bool horizontal);
 		void transparent(bool);
 		bool transparent() const;

include/nana/gui/widgets/scroll.hpp

@@ -57,8 +57,8 @@ namespace nana
 
 				buttons what;
 				bool pressed;
-				size_type	scroll_length;       ///< the lenght in pixels of the central button show how many of the total (peak) is shonw (range)
+				size_type	scroll_length;       ///< the length in pixels of the central button show how many of the total (peak) is shonw (range)
-				int			scroll_pos;          ///< in pixels, and correspond to the offsset from the very beginning (value)
+				int			scroll_pos;          ///< in pixels, and correspond to the offset from the very beginning (value)
 				int			scroll_mouse_offset;
 
 				metrics_type();

include/nana/gui/widgets/spinbox.hpp

@@ -86,7 +86,7 @@ namespace nana
 		spinbox(window, const nana::rectangle& = {}, bool visible = true);
 
 		/// Sets the widget whether it accepts user keyboard input.
-		/// @param accept Set to indicate whether it accepts uesr keyboard input.
+		/// @param accept Set to indicate whether it accepts user keyboard input.   
 		void editable(bool accept);
 
 		/// Determines whether the widget accepts user keyboard input.
@@ -106,7 +106,7 @@ namespace nana
 		/// Selects/unselects the text
 		void select(bool);
 
-		/// Gets the spined value
+		/// Gets the spinned value
 		::std::string value() const;
 		void value(const ::std::string&);
 		int to_int() const;

source/gui/layout_utility.cpp

@@ -15,7 +15,7 @@
 
 namespace nana
 {
-	//overlap test if overlaped between r1 and r2
+	//overlap test if overlapped between r1 and r2
 	bool overlapped(const rectangle& r1, const rectangle& r2)
 	{
 		if (r1.y + (long long)(r1.height) <= r2.y) return false;

source/gui/widgets/group.cpp

@@ -49,8 +49,8 @@ static const char* field_options = "__nana_group_options__";
 
     implement() = default;
 
-    implement(window grp_panel, ::std::string titel, bool vsb, unsigned gap=2)
+    implement(window grp_panel, ::std::string title, bool vsb, unsigned gap=2)
-        : caption (grp_panel, std::move(titel), vsb),
+        : caption (grp_panel, std::move(title), vsb),
           place_content{grp_panel},
           gap{gap}
     {
@@ -118,12 +118,12 @@ group::group(window parent, const rectangle& r, bool vsb)
 
 using groupbase_type = widget_object<category::widget_tag, drawerbase::panel::drawer, general_events, drawerbase::group::scheme>;
 
-group::group(window parent, ::std::string titel, bool formatted, unsigned  gap, const rectangle& r, bool vsb)
+group::group(window parent, ::std::string title, bool formatted, unsigned  gap, const rectangle& r, bool vsb)
     : group(parent, r, vsb)
 {
     this->bgcolor(API::bgcolor(parent));
 
-    impl_.reset(new implement(*this, std::move(titel), vsb, gap));
+    impl_.reset(new implement(*this, std::move(title), vsb, gap));
 
     impl_->caption.format(formatted);
     _m_init();

source/paint/graphics.cpp

@@ -285,7 +285,7 @@ namespace paint
 		const void* graphics::pixmap() const
 		{
 			//The reinterpret_cast is used for same platform. Under Windows, the type
-			//of pixmap can be conversed into void* directly, but under X11, the type is not a pointer.
+			//of pixmap can be converted into void* directly, but under X11, the type is not a pointer.
 			return (impl_->handle ? reinterpret_cast<void*>(impl_->handle->pixmap) : nullptr);
 		}
 
@@ -310,7 +310,7 @@ namespace paint
 					return;
 				}
 
-				//The object will be delete while dwptr_ is performing a release.
+				//The object will be deleted while dwptr_ is performing a release.
 				std::shared_ptr<nana::detail::drawable_impl_type> dw{ new nana::detail::drawable_impl_type, detail::drawable_deleter{} };
 
 				//Reuse the old font