diff --git a/build/codeblocks/nana.cbp b/build/codeblocks/nana.cbp
index c598a95d..18c78755 100644
--- a/build/codeblocks/nana.cbp
+++ b/build/codeblocks/nana.cbp
@@ -50,6 +50,7 @@
 		<Unit filename="../../source/datetime.cpp" />
 		<Unit filename="../../source/deploy.cpp" />
 		<Unit filename="../../source/detail/platform_abstraction.cpp" />
+		<Unit filename="../../source/detail/platform_spec_posix.cpp" />
 		<Unit filename="../../source/detail/platform_spec_windows.cpp" />
 		<Unit filename="../../source/filesystem/filesystem.cpp" />
 		<Unit filename="../../source/gui/animation.cpp" />
diff --git a/include/nana/gui/widgets/spinbox.hpp b/include/nana/gui/widgets/spinbox.hpp
index 2ecabc78..15cbc694 100644
--- a/include/nana/gui/widgets/spinbox.hpp
+++ b/include/nana/gui/widgets/spinbox.hpp
@@ -61,6 +61,7 @@ namespace nana
 
 				void focus(graph_reference, const arg_focus&)	override;
 				void mouse_wheel(graph_reference, const arg_wheel&) override;
+				void dbl_click(graph_reference, const arg_mouse&) override;
 				void mouse_down(graph_reference, const arg_mouse&)	override;
 				void mouse_move(graph_reference, const arg_mouse&)	override;
 				void mouse_up(graph_reference, const arg_mouse& arg)	override;
diff --git a/source/gui/widgets/skeletons/text_editor.cpp b/source/gui/widgets/skeletons/text_editor.cpp
index f39638b2..5688b2be 100644
--- a/source/gui/widgets/skeletons/text_editor.cpp
+++ b/source/gui/widgets/skeletons/text_editor.cpp
@@ -556,6 +556,7 @@ namespace nana{	namespace widgets
 			virtual void merge_lines(std::size_t first, std::size_t second) = 0;
 			//Calculates how many lines the specified line of text takes with a specified pixels of width.
 			virtual void add_lines(std::size_t pos, std::size_t lines) = 0;
+			virtual void prepare() = 0;
 			virtual void pre_calc_line(std::size_t line, unsigned pixels) = 0;
 			virtual void pre_calc_lines(unsigned pixels) = 0;
 			virtual std::size_t take_lines() const = 0;
@@ -668,6 +669,12 @@ namespace nana{	namespace widgets
 				}
 			}
 
+			void prepare() override
+			{
+				auto const line_count = editor_.textbase().lines();
+				this->sections_.resize(line_count);
+			}
+
 			void pre_calc_line(std::size_t pos, unsigned) override
 			{
 				auto const & text = editor_.textbase().getline(pos);
@@ -781,6 +788,12 @@ namespace nana{	namespace widgets
 				}
 			}
 
+			void prepare() override
+			{
+				auto const lines = editor_.textbase().lines();
+				linemtr_.resize(lines);
+			}
+
 			void pre_calc_line(std::size_t line, unsigned pixels) override
 			{
 				const string_type& lnstr = editor_.textbase().getline(line);
@@ -1234,7 +1247,7 @@ namespace nana{	namespace widgets
 
 		void text_editor::typeface_changed()
 		{
-			impl_->capacities.behavior->pre_calc_lines(width_pixels());
+			_m_reset_content_size(true);
 		}
 
 		void text_editor::indent(bool enb, std::function<std::string()> generator)
@@ -2886,10 +2899,14 @@ namespace nana{	namespace widgets
 					auto text_lines = textbase().lines();
 					if (text_lines <= max_lines)
 					{
+						impl_->capacities.behavior->prepare();
+
+						auto const width_px = _m_width_px(true);
+
 						std::size_t lines = 0;
 						for (std::size_t i = 0; i < text_lines; ++i)
 						{
-							impl_->capacities.behavior->pre_calc_line(i, csize.width);
+							impl_->capacities.behavior->pre_calc_line(i, width_px);
 							lines += impl_->capacities.behavior->take_lines(i);
 
 							if (lines > max_lines)
diff --git a/source/gui/widgets/spinbox.cpp b/source/gui/widgets/spinbox.cpp
index 2fad022f..41b592f3 100644
--- a/source/gui/widgets/spinbox.cpp
+++ b/source/gui/widgets/spinbox.cpp
@@ -560,6 +560,12 @@ namespace nana
 				impl_->editor()->reset_caret();
 				API::dev::lazy_refresh();
 			}
+			
+			void drawer::dbl_click(graph_reference, const arg_mouse& arg)
+			{
+				if (impl_->mouse_button(arg, true))
+					API::dev::lazy_refresh();
+			}
 
 			void drawer::mouse_down(graph_reference, const arg_mouse& arg)
 			{
@@ -599,7 +605,10 @@ namespace nana
 			{
 				impl_->editor()->respond_char(arg);
 				if (impl_->editor()->try_refresh())
+				{
+					impl_->draw_spins();
 					API::dev::lazy_refresh();
+				}
 			}
 
 			void drawer::resized(graph_reference, const arg_resized&)
diff --git a/source/paint/graphics.cpp b/source/paint/graphics.cpp
index b7dd3426..c617b3ee 100644
--- a/source/paint/graphics.cpp
+++ b/source/paint/graphics.cpp
@@ -240,12 +240,16 @@ namespace paint
 		graphics::graphics(graphics&& other)
 			: impl_(std::move(other.impl_))
 		{
+			other.impl_.reset(new implementation);
 		}
 
 		graphics& graphics::operator=(graphics&& other)
 		{
 			if (this != &other)
+			{
 				impl_ = std::move(other.impl_);
+				other.impl_.reset(new implementation);
+			}
 
 			return *this;
 		}