From dcb472cb062b88102953082f15c626596eebcd63 Mon Sep 17 00:00:00 2001
From: Mexsut <wjiali6@126.com>
Date: Mon, 25 Sep 2017 15:20:38 +0800
Subject: [PATCH] add a native wstring version textbox::append

added a textbox::append which accepts texts in std::wstring
---
 include/nana/gui/widgets/textbox.hpp |  2 +-
 source/gui/widgets/textbox.cpp       | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/include/nana/gui/widgets/textbox.hpp b/include/nana/gui/widgets/textbox.hpp
index d0ac2f67..5f6dbc91 100644
--- a/include/nana/gui/widgets/textbox.hpp
+++ b/include/nana/gui/widgets/textbox.hpp
@@ -185,7 +185,7 @@ namespace nana
 
         /// Appends an string. If `at_caret` is `true`, the string is inserted at the position of caret, otherwise, it is appended at end of the textbox.
 		textbox& append(const std::string& text, bool at_caret);
-
+        textbox& append(const std::wstring& text, bool at_caret);
 		/// Determines whether the text is line wrapped.
 		bool line_wrapped() const;
 		textbox& line_wrapped(bool);
diff --git a/source/gui/widgets/textbox.cpp b/source/gui/widgets/textbox.cpp
index e29b0d88..de6e2dd9 100644
--- a/source/gui/widgets/textbox.cpp
+++ b/source/gui/widgets/textbox.cpp
@@ -435,7 +435,23 @@ namespace drawerbase {
 			}
 			return *this;
 		}
+        //a native wstring version textbox::append
+        textbox& textbox::append(const std::wstring& text, bool at_caret)
+        {
+            internal_scope_guard lock;
+            auto editor = get_drawer_trigger().editor();
+            if(editor)
+            {
+                if(at_caret == false)
+                    editor->move_caret_end(false);
 
+                editor->put(text);
+
+                editor->try_refresh();
+                API::update_window(this->handle());
+            }
+            return *this;
+        }
 		/// Determine wheter the text is auto-line changed.
 		bool textbox::line_wrapped() const
 		{