diff --git a/sources/appl/Buffer.h b/sources/appl/Buffer.h
index 25e497c..0d471db 100644
--- a/sources/appl/Buffer.h
+++ b/sources/appl/Buffer.h
@@ -68,7 +68,7 @@ namespace appl {
 					/**
 					 * @brief Basic destructor
 					 */
-					~Iterator() {
+					virtual ~Iterator() {
 						m_current = 0;
 						m_data = NULL;
 						m_value = u32char::Null;
@@ -294,7 +294,7 @@ namespace appl {
 			static const char* const eventChangeName;
 		public:
 			Buffer();
-			~Buffer();
+			virtual ~Buffer();
 		private:
 			bool m_hasFileName; //!< when new file, the buffer has no name ==> but it might be reference with a single name ...
 			std::string m_fileName; //!< name of the file (with his path)
diff --git a/sources/appl/BufferManager.h b/sources/appl/BufferManager.h
index 9ddf2b1..75dac80 100644
--- a/sources/appl/BufferManager.h
+++ b/sources/appl/BufferManager.h
@@ -20,7 +20,7 @@ namespace appl {
 		protected:
 			BufferManager();
 		public:
-			~BufferManager();
+			virtual ~BufferManager();
 		private:
 			std::list<ewol::object::Owner<appl::Buffer>> m_list; // list of all buffer curently open
 		public:
diff --git a/sources/appl/GlyphDecoration.h b/sources/appl/GlyphDecoration.h
index 7b0c222..2c5198a 100644
--- a/sources/appl/GlyphDecoration.h
+++ b/sources/appl/GlyphDecoration.h
@@ -17,7 +17,7 @@ namespace appl {
 		public:
 			// Constructeur
 			GlyphDecoration(const std::string& _newColorName = "no_name");
-			~GlyphDecoration() {
+			virtual ~GlyphDecoration() {
 				// nothing to do ...
 			};
 		private:
diff --git a/sources/appl/Gui/BufferView.h b/sources/appl/Gui/BufferView.h
index e8807ab..00ffae1 100644
--- a/sources/appl/Gui/BufferView.h
+++ b/sources/appl/Gui/BufferView.h
@@ -25,7 +25,7 @@ namespace appl {
 			  m_buffer(_buffer) {
 				
 			};
-			~dataBufferStruct() { };
+			virtual ~dataBufferStruct() { };
 	};
 };
 
@@ -51,7 +51,7 @@ class BufferView : public ewol::widget::List {
 	public:
 		// Constructeur
 		BufferView();
-		~BufferView();
+		virtual ~BufferView();
 		// Derived function
 		virtual void onReceiveMessage(const ewol::object::Message& _msg);
 		virtual void onObjectRemove(const ewol::object::Shared<ewol::Object>& _object);
diff --git a/sources/appl/Gui/MainWindows.cpp b/sources/appl/Gui/MainWindows.cpp
index d5c82a8..f46f73b 100644
--- a/sources/appl/Gui/MainWindows.cpp
+++ b/sources/appl/Gui/MainWindows.cpp
@@ -165,7 +165,7 @@ MainWindows::MainWindows() {
 				mySizerVert2->subWidgetAdd(myTextView);
 				*/
 				// search area : 
-				ewol::object::Shared<Search> mySearch = ewol::object::makeShared(new Search());
+				ewol::object::Shared<appl::widget::Search> mySearch = ewol::object::makeShared(new appl::widget::Search());
 				mySizerVert2->subWidgetAdd(mySearch);
 			
 		mySizerHori = ewol::object::makeShared(new ewol::widget::Sizer(ewol::widget::Sizer::modeHori));
diff --git a/sources/appl/Gui/MainWindows.h b/sources/appl/Gui/MainWindows.h
index e7bedd9..fa1a5e8 100644
--- a/sources/appl/Gui/MainWindows.h
+++ b/sources/appl/Gui/MainWindows.h
@@ -23,7 +23,7 @@ class MainWindows : public ewol::widget::Windows {
 	public:
 		// Constructeur
 		MainWindows();
-		~MainWindows();
+		virtual ~MainWindows();
 	private:
 		ewol::object::Shared<appl::BufferManager> m_bufferManager; //!< handle on the buffer manager
 		/**
diff --git a/sources/appl/Gui/Search.cpp b/sources/appl/Gui/Search.cpp
index 8ab85a0..a4d9fbe 100644
--- a/sources/appl/Gui/Search.cpp
+++ b/sources/appl/Gui/Search.cpp
@@ -28,7 +28,7 @@ const char* const l_eventWrapCb = "appl-wrap-CheckBox";
 const char* const l_eventForwardCb = "appl-forward-CheckBox";
 const char* const l_eventHideBt = "appl-hide-button";
 
-Search::Search() :
+appl::widget::Search::Search() :
   ewol::widget::Composer(ewol::widget::Composer::file, "DATA:GUI-Search.xml"),
   m_viewerManager(NULL),
   m_forward(true),
@@ -36,8 +36,8 @@ Search::Search() :
   m_wrap(true),
   m_searchEntry(NULL),
   m_replaceEntry(NULL) {
-	addObjectType("appl::Search");
-	// load buffer manager:
+	addObjectType("appl::widget::Search");
+	// load buffer manager:onObjectRemove
 	m_viewerManager = appl::ViewerManager::keep();
 	// link event
 	registerOnEventNameWidget(this, "SEARCH:close",         "pressed", l_eventHideBt);
@@ -63,11 +63,11 @@ Search::Search() :
 	hide();
 }
 
-Search::~Search() {
+appl::widget::Search::~Search() {
 	
 }
 
-void Search::find() {
+void appl::widget::Search::find() {
 	if (m_viewerManager == NULL) {
 		APPL_WARNING("No viewer manager selected!!!");
 		return;
@@ -103,7 +103,7 @@ void Search::find() {
 	}
 }
 
-void Search::replace() {
+void appl::widget::Search::replace() {
 	if (m_viewerManager == NULL) {
 		APPL_WARNING("No viewer manager selected!!!");
 		return;
@@ -121,7 +121,7 @@ void Search::replace() {
 }
 
 
-void Search::onReceiveMessage(const ewol::object::Message& _msg) {
+void appl::widget::Search::onReceiveMessage(const ewol::object::Message& _msg) {
 	ewol::widget::Composer::onReceiveMessage(_msg);
 	APPL_INFO("Search receive message : " << _msg);
 	if ( _msg.getMessage() == l_eventSearchEntry) {
@@ -162,7 +162,7 @@ void Search::onReceiveMessage(const ewol::object::Message& _msg) {
 	}
 }
 
-void Search::onObjectRemove(const ewol::object::Shared<ewol::Object> _object) {
+void appl::widget::Search::onObjectRemove(const ewol::object::Shared<ewol::Object>& _object) {
 	ewol::widget::Composer::onObjectRemove(_object);
 	if (_object == m_searchEntry) {
 		m_searchEntry.reset();
diff --git a/sources/appl/Gui/Search.h b/sources/appl/Gui/Search.h
index c535d3a..52b8204 100644
--- a/sources/appl/Gui/Search.h
+++ b/sources/appl/Gui/Search.h
@@ -14,35 +14,37 @@
 #include <ewol/widget/Entry.h>
 #include <appl/Buffer.h>
 #include <appl/Gui/ViewerManager.h>
-
-class Search : public ewol::widget::Composer {
-	private:
-		ewol::object::Shared<appl::ViewerManager> m_viewerManager; //!< handle on the buffer manager
-		bool m_forward;
-		bool m_caseSensitive;
-		bool m_wrap;
-		ewol::object::Shared<ewol::widget::Entry> m_searchEntry;
-		ewol::object::Shared<ewol::widget::Entry> m_replaceEntry;
-		std::u32string m_searchData;
-		std::u32string m_replaceData;
-	public:
-		// Constructeur
-		Search();
-		~Search();
-	private:
-		/**
-		 * @brief Find the next element that corespond at the search
-		 */
-		void find();
-		/**
-		 * @brief Replace the current selected text.
-		 */
-		void replace();
-	public: // derived function
-		virtual void onReceiveMessage(const ewol::object::Message& _msg);
-		virtual void onObjectRemove(const ewol::object::Shared<ewol::Object> _removeObject);
+namespace appl {
+	namespace widget {
+		class Search : public ewol::widget::Composer {
+			private:
+				ewol::object::Shared<appl::ViewerManager> m_viewerManager; //!< handle on the buffer manager
+				bool m_forward;
+				bool m_caseSensitive;
+				bool m_wrap;
+				ewol::object::Shared<ewol::widget::Entry> m_searchEntry;
+				ewol::object::Shared<ewol::widget::Entry> m_replaceEntry;
+				std::u32string m_searchData;
+				std::u32string m_replaceData;
+			public:
+				// Constructeur
+				Search();
+				virtual ~Search();
+			private:
+				/**
+				 * @brief Find the next element that corespond at the search
+				 */
+				void find();
+				/**
+				 * @brief Replace the current selected text.
+				 */
+				void replace();
+			public: // derived function
+				virtual void onReceiveMessage(const ewol::object::Message& _msg);
+				virtual void onObjectRemove(const ewol::object::Shared<ewol::Object>& _object);
+		};
+	};
 };
-
 #endif
 
 
diff --git a/sources/appl/Gui/TagFileList.h b/sources/appl/Gui/TagFileList.h
index a13f07b..3827990 100644
--- a/sources/appl/Gui/TagFileList.h
+++ b/sources/appl/Gui/TagFileList.h
@@ -28,7 +28,7 @@ namespace appl {
 			  fileLine(_line) {
 				
 			};
-			~TagListElement() {
+			virtual ~TagListElement() {
 				
 			};
 	};
@@ -44,7 +44,7 @@ namespace appl {
 			int32_t m_colorIdBackgroundSelected; //!< Color of line selected.
 		public:
 			TagFileList();
-			~TagFileList();
+			virtual ~TagFileList();
 			// display API :
 			virtual etk::Color<> getBasicBG();
 			uint32_t getNuberOfColomn();
diff --git a/sources/appl/Gui/TextViewer.cpp b/sources/appl/Gui/TextViewer.cpp
index 52e5e0f..ffbe683 100644
--- a/sources/appl/Gui/TextViewer.cpp
+++ b/sources/appl/Gui/TextViewer.cpp
@@ -623,7 +623,7 @@ void appl::TextViewer::onReceiveMessage(const ewol::object::Message& _msg) {
 	ewol::widget::WidgetScrolled::onReceiveMessage(_msg);
 	APPL_VERBOSE("receive msg: " << _msg);
 	// First call plugin
-	if (appl::textPluginManager::onReceiveMessage(*this, _msg) == true) {
+	if (appl::textPluginManager::onReceiveMessageViewer(*this, _msg) == true) {
 		markToRedraw();
 		return;
 	}
diff --git a/sources/appl/Gui/ViewerManager.h b/sources/appl/Gui/ViewerManager.h
index 9b2445b..42c5e4e 100644
--- a/sources/appl/Gui/ViewerManager.h
+++ b/sources/appl/Gui/ViewerManager.h
@@ -21,7 +21,7 @@ namespace appl {
 		protected:
 			ViewerManager();
 		public:
-			~ViewerManager();
+			virtual ~ViewerManager();
 		private:
 			ewol::object::Shared<appl::BufferManager> m_bufferManager; //!< handle on the buffer manager
 			ewol::object::Shared<appl::TextViewer> m_viewer;
diff --git a/sources/appl/Highlight.cpp b/sources/appl/Highlight.cpp
index 18b9607..bcf53ec 100644
--- a/sources/appl/Highlight.cpp
+++ b/sources/appl/Highlight.cpp
@@ -25,14 +25,14 @@
 #define HL2_DEBUG APPL_VERBOSE
 
 void appl::Highlight::parseRules(exml::Element* _child,
-                           std::vector<HighlightPattern*>& _mListPatern,
+                           std::vector<std::unique_ptr<HighlightPattern>>& _mListPatern,
                            int32_t _level) {
 	// Create the patern ...
 	HighlightPattern *myPattern = new HighlightPattern(m_paintingProperties);
 	// parse under Element
 	myPattern->parseRules(_child, _level);
 	// add element in the list
-	_mListPatern.push_back(myPattern);
+	_mListPatern.push_back(std::unique_ptr<HighlightPattern>(myPattern));
 }
 
 appl::Highlight::Highlight(const std::string& _xmlFilename, const std::string& _colorFile) :
@@ -101,16 +101,11 @@ appl::Highlight::Highlight(const std::string& _xmlFilename, const std::string& _
 }
 
 appl::Highlight::~Highlight() {
-	// clean all Element
-	for (int32_t iii = 0; iii < m_listHighlightPass1.size(); ++iii) {
-		if (m_listHighlightPass1[iii] != NULL) {
-			delete(m_listHighlightPass1[iii]);
-			m_listHighlightPass1[iii] = NULL;
-		}
-	}
 	// clear the compleate list
 	m_listHighlightPass1.clear();
 	// clear the compleate list
+	m_listHighlightPass2.clear();
+	// clear the compleate list
 	m_listExtentions.clear();
 }
 
diff --git a/sources/appl/Highlight.h b/sources/appl/Highlight.h
index baeec0d..a481694 100644
--- a/sources/appl/Highlight.h
+++ b/sources/appl/Highlight.h
@@ -25,6 +25,7 @@ namespace appl {
 	};
 };
 
+#include <memory>
 #include <etk/os/FSNode.h>
 #include <appl/HighlightPattern.h>
 #include <appl/GlyphPainting.h>
@@ -39,7 +40,7 @@ namespace appl {
 			// Constructeur
 			Highlight(const std::string& _xmlFilename, const std::string& _colorFile);
 		public:
-			~Highlight();
+			virtual ~Highlight();
 		private:
 			std::string m_typeName; //!< descriptive string type like "C/C++"
 		public:
@@ -61,12 +62,12 @@ namespace appl {
 			            etk::Buffer &_buffer);
 		private:
 			void parseRules(exml::Element* _child,
-			                std::vector<HighlightPattern*> &_mListPatern,
+			                std::vector<std::unique_ptr<HighlightPattern>> &_mListPatern,
 			                int32_t _level);
 			std::string m_styleName; //!< curent style name (like "c++" or "c" or "script Bash")
 			std::vector<std::string> m_listExtentions; //!< List of possible extention for this high-light, like : ".c", ".cpp", ".h"
-			std::vector<HighlightPattern*> m_listHighlightPass1; //!< List of ALL hightlight modules (pass 1  == > when we load and wride data on the buffer)
-			std::vector<HighlightPattern*> m_listHighlightPass2; //!< List of ALL hightlight modules (pass 2  == > When we display the buffer( only the display area (100 lines)) )
+			std::vector<std::unique_ptr<HighlightPattern>> m_listHighlightPass1; //!< List of ALL hightlight modules (pass 1  == > when we load and wride data on the buffer)
+			std::vector<std::unique_ptr<HighlightPattern>> m_listHighlightPass2; //!< List of ALL hightlight modules (pass 2  == > When we display the buffer( only the display area (100 lines)) )
 		public:
 			/**
 			 * @brief keep the resource pointer.
diff --git a/sources/appl/HighlightPattern.cpp b/sources/appl/HighlightPattern.cpp
index c5bcb9b..cf50768 100644
--- a/sources/appl/HighlightPattern.cpp
+++ b/sources/appl/HighlightPattern.cpp
@@ -16,24 +16,17 @@
 appl::HighlightPattern::HighlightPattern(const ewol::object::Shared<appl::GlyphPainting>& _glyphPainting) :
   m_glyphPainting(_glyphPainting),
   m_paternName(""),
-  m_regExpStart(NULL),
-  m_regExpStop(NULL),
+  m_regExpStart(nullptr),
+  m_regExpStop(nullptr),
   m_colorName(""),
   m_escapeChar(u32char::Null),
   m_multiline(false),
   m_level(0) {
-	m_regExpStart = new etk::RegExp<etk::Buffer>();
+	m_regExpStart = std::unique_ptr<etk::RegExp<etk::Buffer>>(new etk::RegExp<etk::Buffer>());
 }
 
 appl::HighlightPattern::~HighlightPattern() {
-	if (m_regExpStart != NULL) {
-		delete(m_regExpStart);
-		m_regExpStart = NULL;
-	}
-	if (m_regExpStop != NULL) {
-		delete(m_regExpStop);
-		m_regExpStop = NULL;
-	}
+	
 }
 
 void appl::HighlightPattern::setPaternStart(std::string& _regExp) {
@@ -44,12 +37,9 @@ void appl::HighlightPattern::setPaternStart(std::string& _regExp) {
 }
 
 void appl::HighlightPattern::setPaternStop(std::string& _regExp) {
-	if (m_regExpStop != NULL) {
-		delete(m_regExpStop);
-		m_regExpStop = NULL;
-	}
+	m_regExpStop.reset();
 	if (_regExp.size() != 0) {
-		m_regExpStop = new etk::RegExp<etk::Buffer>();
+		m_regExpStop = std::unique_ptr<etk::RegExp<etk::Buffer>>(new etk::RegExp<etk::Buffer>());
 		if (m_regExpStop != NULL) {
 			m_regExpStop->compile(_regExp);
 		} else {
diff --git a/sources/appl/HighlightPattern.h b/sources/appl/HighlightPattern.h
index 6f8bdf4..4611254 100644
--- a/sources/appl/HighlightPattern.h
+++ b/sources/appl/HighlightPattern.h
@@ -33,7 +33,7 @@ namespace appl {
 		public:
 			// Constructeur
 			HighlightPattern(const ewol::object::Shared<appl::GlyphPainting>& _glyphPainting);
-			~HighlightPattern();
+			virtual ~HighlightPattern();
 		private:
 			std::string m_paternName; //!< Current style name (like "c++" or "c" or "script Bash")
 		public:
@@ -44,11 +44,11 @@ namespace appl {
 				return m_paternName;
 			};
 		private:
-			etk::RegExp<etk::Buffer>* m_regExpStart; //!< Start of Regular expression
+			std::unique_ptr<etk::RegExp<etk::Buffer>> m_regExpStart; //!< Start of Regular expression
 		public:
 			void setPaternStart(std::string& _regExp);
 		private:
-			etk::RegExp<etk::Buffer>* m_regExpStop; //!< Stop of Regular Expression
+			std::unique_ptr<etk::RegExp<etk::Buffer>> m_regExpStop; //!< Stop of Regular Expression
 		public:
 			void setPaternStop(std::string& _regExp);
 		private:
diff --git a/sources/appl/TextPlugin.h b/sources/appl/TextPlugin.h
index a3627b2..98461a7 100644
--- a/sources/appl/TextPlugin.h
+++ b/sources/appl/TextPlugin.h
@@ -186,8 +186,8 @@ namespace appl {
 			 * @param[in] _msg Generic message.
 			 * @return true if the event might not propagate anymore
 			 */
-			virtual bool onReceiveMessage(appl::TextViewer& _textDrawer,
-			                              const ewol::object::Message& _msg) {
+			virtual bool onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+			                                    const ewol::object::Message& _msg) {
 				return false;
 			}
 		protected:
diff --git a/sources/appl/TextPluginAutoIndent.h b/sources/appl/TextPluginAutoIndent.h
index c95f632..df7d6e5 100644
--- a/sources/appl/TextPluginAutoIndent.h
+++ b/sources/appl/TextPluginAutoIndent.h
@@ -19,7 +19,7 @@ namespace appl {
 	class TextPluginAutoIndent : public appl::TextViewerPlugin {
 		public:
 			TextPluginAutoIndent();
-			~TextPluginAutoIndent() {
+			virtual ~TextPluginAutoIndent() {
 				// nothing to do ...
 			};
 		public:
diff --git a/sources/appl/TextPluginCopy.cpp b/sources/appl/TextPluginCopy.cpp
index b4cd9ba..a5b1641 100644
--- a/sources/appl/TextPluginCopy.cpp
+++ b/sources/appl/TextPluginCopy.cpp
@@ -34,8 +34,8 @@ void appl::TextPluginCopy::onPluginDisable(appl::TextViewer& _textDrawer) {
 	// TODO : unknow function ...
 }
 
-bool appl::TextPluginCopy::onReceiveMessage(appl::TextViewer& _textDrawer,
-                                            const ewol::object::Message& _msg) {
+bool appl::TextPluginCopy::onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+                                                  const ewol::object::Message& _msg) {
 	if (isEnable() == false) {
 		return false;
 	}
diff --git a/sources/appl/TextPluginCopy.h b/sources/appl/TextPluginCopy.h
index 3a88432..03ef08f 100644
--- a/sources/appl/TextPluginCopy.h
+++ b/sources/appl/TextPluginCopy.h
@@ -19,13 +19,13 @@ namespace appl {
 	class TextPluginCopy : public appl::TextViewerPlugin {
 		public:
 			TextPluginCopy();
-			~TextPluginCopy() {
+			virtual ~TextPluginCopy() {
 				// nothing to do ...
 			};
 		public:
 			virtual void onPluginEnable(appl::TextViewer& _textDrawer);
 			virtual void onPluginDisable(appl::TextViewer& _textDrawer);
-			virtual bool onReceiveMessage(appl::TextViewer& _textDrawer, const ewol::object::Message& _msg);
+			virtual bool onReceiveMessageViewer(appl::TextViewer& _textDrawer, const ewol::object::Message& _msg);
 	};
 };
 
diff --git a/sources/appl/TextPluginCtags.cpp b/sources/appl/TextPluginCtags.cpp
index f595b95..32867e4 100644
--- a/sources/appl/TextPluginCtags.cpp
+++ b/sources/appl/TextPluginCtags.cpp
@@ -168,8 +168,8 @@ void appl::TextPluginCtags::onReceiveMessage(const ewol::object::Message& _msg)
 		jumpFile(tmp, lineID - 1);
 	}
 }
-bool appl::TextPluginCtags::onReceiveMessage(appl::TextViewer& _textDrawer,
-                                             const ewol::object::Message& _msg) {
+bool appl::TextPluginCtags::onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+                                                   const ewol::object::Message& _msg) {
 	if (isEnable() == false) {
 		return false;
 	}
diff --git a/sources/appl/TextPluginCtags.h b/sources/appl/TextPluginCtags.h
index 85a1fb2..ba7eafb 100644
--- a/sources/appl/TextPluginCtags.h
+++ b/sources/appl/TextPluginCtags.h
@@ -36,12 +36,12 @@ namespace appl {
 			ewol::object::Shared<appl::BufferManager> m_bufferManager; //!< handle on the buffer manager
 		public:
 			TextPluginCtags();
-			~TextPluginCtags();
+			virtual ~TextPluginCtags();
 		public:
 			virtual void onPluginEnable(appl::TextViewer& _textDrawer);
 			virtual void onPluginDisable(appl::TextViewer& _textDrawer);
-			virtual bool onReceiveMessage(appl::TextViewer& _textDrawer,
-			                              const ewol::object::Message& _msg);
+			virtual bool onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+			                                    const ewol::object::Message& _msg);
 			// internal message :
 			virtual void onReceiveMessage(const ewol::object::Message& _msg);
 	};
diff --git a/sources/appl/TextPluginData.h b/sources/appl/TextPluginData.h
index 54692bd..ca83194 100644
--- a/sources/appl/TextPluginData.h
+++ b/sources/appl/TextPluginData.h
@@ -50,13 +50,13 @@ namespace appl {
 				return data;
 			}
 		protected: // Wrap all element with their internal data: (do not use theses function)
-			bool onReceiveMessage(appl::TextViewer& _textDrawer,
-			                      const ewol::object::Message& _msg) {
+			bool onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+			                            const ewol::object::Message& _msg) {
 				TYPE* data = getDataRef(_textDrawer);
 				if (data == NULL) {
 					return false;
 				}
-				return onReceiveMessage(_textDrawer, _msg, *data);
+				return onReceiveMessageViewer(_textDrawer, _msg, *data);
 			}
 			bool onWrite(appl::TextViewer& _textDrawer,
 			             const appl::Buffer::Iterator& _pos,
@@ -88,9 +88,9 @@ namespace appl {
 			}
 			
 		public:
-			virtual bool onReceiveMessage(appl::TextViewer& _textDrawer,
-			                              const ewol::object::Message& _msg,
-			                              TYPE& _data) {
+			virtual bool onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+			                                    const ewol::object::Message& _msg,
+			                                    TYPE& _data) {
 				return false;
 			}
 			virtual bool onWrite(appl::TextViewer& _textDrawer,
diff --git a/sources/appl/TextPluginHistory.cpp b/sources/appl/TextPluginHistory.cpp
index 96734d9..69e1869 100644
--- a/sources/appl/TextPluginHistory.cpp
+++ b/sources/appl/TextPluginHistory.cpp
@@ -35,9 +35,9 @@ void appl::TextPluginHistory::onPluginDisable(appl::TextViewer& _textDrawer) {
 	// TODO : unknow function ...
 }
 
-bool appl::TextPluginHistory::onReceiveMessage(appl::TextViewer& _textDrawer,
-                                               const ewol::object::Message& _msg,
-                                               appl::PluginHistoryData& _data) {
+bool appl::TextPluginHistory::onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+                                                     const ewol::object::Message& _msg,
+                                                     appl::PluginHistoryData& _data) {
 	if (isEnable() == false) {
 		return false;
 	}
diff --git a/sources/appl/TextPluginHistory.h b/sources/appl/TextPluginHistory.h
index ff99d5c..e77d400 100644
--- a/sources/appl/TextPluginHistory.h
+++ b/sources/appl/TextPluginHistory.h
@@ -43,9 +43,9 @@ namespace appl {
 		public:
 			virtual void onPluginEnable(appl::TextViewer& _textDrawer);
 			virtual void onPluginDisable(appl::TextViewer& _textDrawer);
-			virtual bool onReceiveMessage(appl::TextViewer& _textDrawer,
-			                              const ewol::object::Message& _msg,
-			                              appl::PluginHistoryData& _data);
+			virtual bool onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+			                                    const ewol::object::Message& _msg,
+			                                    appl::PluginHistoryData& _data);
 			virtual bool onWrite(appl::TextViewer& _textDrawer,
 			                     const appl::Buffer::Iterator& _pos,
 			                     const std::string& _strData,
diff --git a/sources/appl/TextPluginManager.cpp b/sources/appl/TextPluginManager.cpp
index 30a5839..042f61d 100644
--- a/sources/appl/TextPluginManager.cpp
+++ b/sources/appl/TextPluginManager.cpp
@@ -43,7 +43,7 @@ static std::vector<ewol::object::Shared<appl::TextViewerPlugin>>& getListOnRemov
 	static std::vector<ewol::object::Shared<appl::TextViewerPlugin>> s_list;
 	return s_list;
 }
-static std::vector<ewol::object::Shared<appl::TextViewerPlugin>>& getListOnReceiveMessage() {
+static std::vector<ewol::object::Shared<appl::TextViewerPlugin>>& getListonReceiveMessageViewer() {
 	static std::vector<ewol::object::Shared<appl::TextViewerPlugin>> s_list;
 	return s_list;
 }
@@ -63,7 +63,7 @@ void appl::textPluginManager::unInit() {
 	getListOnWrite().clear();
 	getListOnReplace().clear();
 	getListOnRemove().clear();
-	getListOnReceiveMessage().clear();
+	getListonReceiveMessageViewer().clear();
 	getListOnCursorMove().clear();
 	getList().clear();
 }
@@ -99,7 +99,7 @@ void appl::textPluginManager::addPlugin(const ewol::object::Shared<appl::TextVie
 		getListOnRemove().push_back(_plugin);
 	}
 	if (_plugin->isAvaillableOnReceiveMessage() == true) {
-		getListOnReceiveMessage().push_back(_plugin);
+		getListonReceiveMessageViewer().push_back(_plugin);
 	}
 	if (_plugin->isAvaillableOnCursorMove() == true) {
 		getListOnCursorMove().push_back(_plugin);
@@ -193,13 +193,13 @@ bool appl::textPluginManager::onRemove(appl::TextViewer& _textDrawer,
 	return false;
 }
 
-bool appl::textPluginManager::onReceiveMessage(appl::TextViewer& _textDrawer,
-                                               const ewol::object::Message& _msg) {
-	for (auto &it : getListOnReceiveMessage()) {
+bool appl::textPluginManager::onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+                                                     const ewol::object::Message& _msg) {
+	for (auto &it : getListonReceiveMessageViewer()) {
 		if (it == NULL) {
 			continue;
 		}
-		if (it->onReceiveMessage(_textDrawer, _msg) == true ) {
+		if (it->onReceiveMessageViewer(_textDrawer, _msg) == true ) {
 			return true;
 		}
 	}
diff --git a/sources/appl/TextPluginManager.h b/sources/appl/TextPluginManager.h
index 512fbbc..85393a9 100644
--- a/sources/appl/TextPluginManager.h
+++ b/sources/appl/TextPluginManager.h
@@ -98,8 +98,8 @@ namespace appl {
 		 * @param[in] _msg Generic message.
 		 * @return true if the event might not propagate anymore
 		 */
-		bool onReceiveMessage(appl::TextViewer& _textDrawer,
-		                      const ewol::object::Message& _msg);
+		bool onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+		                            const ewol::object::Message& _msg);
 		/**
 		 * @brief Called when Cursor move of position.
 		 * @param[in] _widget Reference on the widget caller.
diff --git a/sources/appl/TextPluginMultiLineTab.h b/sources/appl/TextPluginMultiLineTab.h
index 692ce16..b849b54 100644
--- a/sources/appl/TextPluginMultiLineTab.h
+++ b/sources/appl/TextPluginMultiLineTab.h
@@ -19,7 +19,7 @@ namespace appl {
 	class TextPluginMultiLineTab : public appl::TextViewerPlugin {
 		public:
 			TextPluginMultiLineTab();
-			~TextPluginMultiLineTab() {
+			virtual ~TextPluginMultiLineTab() {
 				// nothing to do ...
 			};
 		public:
diff --git a/sources/appl/TextPluginRmLine.cpp b/sources/appl/TextPluginRmLine.cpp
index aa36344..deb6de7 100644
--- a/sources/appl/TextPluginRmLine.cpp
+++ b/sources/appl/TextPluginRmLine.cpp
@@ -30,8 +30,8 @@ void appl::TextPluginRmLine::onPluginDisable(appl::TextViewer& _textDrawer) {
 	// TODO : unknow function ...
 }
 
-bool appl::TextPluginRmLine::onReceiveMessage(appl::TextViewer& _textDrawer,
-                                              const ewol::object::Message& _msg) {
+bool appl::TextPluginRmLine::onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+                                                    const ewol::object::Message& _msg) {
 	if (isEnable() == false) {
 		return false;
 	}
diff --git a/sources/appl/TextPluginRmLine.h b/sources/appl/TextPluginRmLine.h
index ce31ac8..634d6bb 100644
--- a/sources/appl/TextPluginRmLine.h
+++ b/sources/appl/TextPluginRmLine.h
@@ -19,13 +19,13 @@ namespace appl {
 	class TextPluginRmLine : public appl::TextViewerPlugin {
 		public:
 			TextPluginRmLine();
-			~TextPluginRmLine() {
+			virtual ~TextPluginRmLine() {
 				// nothing to do ...
 			};
 		public:
 			virtual void onPluginEnable(appl::TextViewer& _textDrawer);
 			virtual void onPluginDisable(appl::TextViewer& _textDrawer);
-			virtual bool onReceiveMessage(appl::TextViewer& _textDrawer, const ewol::object::Message& _msg);
+			virtual bool onReceiveMessageViewer(appl::TextViewer& _textDrawer, const ewol::object::Message& _msg);
 	};
 };
 
diff --git a/sources/appl/TextPluginSelectAll.cpp b/sources/appl/TextPluginSelectAll.cpp
index 4045dca..a59bc55 100644
--- a/sources/appl/TextPluginSelectAll.cpp
+++ b/sources/appl/TextPluginSelectAll.cpp
@@ -32,8 +32,8 @@ void appl::TextPluginSelectAll::onPluginDisable(appl::TextViewer& _textDrawer) {
 	// TODO : unknow function ...
 }
 
-bool appl::TextPluginSelectAll::onReceiveMessage(appl::TextViewer& _textDrawer,
-                                                 const ewol::object::Message& _msg) {
+bool appl::TextPluginSelectAll::onReceiveMessageViewer(appl::TextViewer& _textDrawer,
+                                                       const ewol::object::Message& _msg) {
 	if (isEnable() == false) {
 		return false;
 	}
diff --git a/sources/appl/TextPluginSelectAll.h b/sources/appl/TextPluginSelectAll.h
index 8278af0..9ad156b 100644
--- a/sources/appl/TextPluginSelectAll.h
+++ b/sources/appl/TextPluginSelectAll.h
@@ -19,13 +19,13 @@ namespace appl {
 	class TextPluginSelectAll : public appl::TextViewerPlugin {
 		public:
 			TextPluginSelectAll();
-			~TextPluginSelectAll() {
+			virtual ~TextPluginSelectAll() {
 				// nothing to do ...
 			};
 		public:
 			virtual void onPluginEnable(appl::TextViewer& _textDrawer);
 			virtual void onPluginDisable(appl::TextViewer& _textDrawer);
-			virtual bool onReceiveMessage(appl::TextViewer& _textDrawer, const ewol::object::Message& _msg);
+			virtual bool onReceiveMessageViewer(appl::TextViewer& _textDrawer, const ewol::object::Message& _msg);
 	};
 };
 
diff --git a/sources/appl/global.h b/sources/appl/global.h
index 536e234..c36085e 100644
--- a/sources/appl/global.h
+++ b/sources/appl/global.h
@@ -39,7 +39,7 @@ namespace globals
 	class ParameterGlobalsGui : public ewol::widget::Sizer {
 		public :
 			ParameterGlobalsGui();
-			~ParameterGlobalsGui();
+			virtual ~ParameterGlobalsGui();
 			// herited function
 			virtual void onReceiveMessage(const ewol::object::Message& _msg);
 	};
diff --git a/sources/lutin_edn.py b/sources/lutin_edn.py
index 3113b6b..33c41ed 100755
--- a/sources/lutin_edn.py
+++ b/sources/lutin_edn.py
@@ -12,6 +12,7 @@ def create(target):
 	# module name is 'edn' and type binary.
 	myModule = module.Module(__file__, 'edn', 'PACKAGE')
 	
+	myModule.add_extra_compile_flags()
 	# add the file to compile:
 	myModule.add_src_file([
 		'appl/ctags/readtags.cpp'])