[DEV] change NULL ==> nullptr

2014-06-05 22:01:24 +02:00
parent 55e05d24a3
commit 7d7d66d121
30 changed files with 334 additions and 334 deletions
--- a/sources/appl/Gui/BufferView.cpp
+++ b/sources/appl/Gui/BufferView.cpp
@@ -21,13 +21,13 @@ static void SortElementList(std::vector<appl::dataBufferStruct*>& _list) {
 	std::vector<appl::dataBufferStruct *> tmpList = _list;
 	_list.clear();
 	for(size_t iii=0; iii<tmpList.size(); iii++) {
-		if (NULL == tmpList[iii]) {
+		if (nullptr == tmpList[iii]) {
 			continue;
 		}
 		size_t findPos = 0;
 		for(size_t jjj=0; jjj<_list.size(); jjj++) {
 			//EWOL_DEBUG("compare : \""<<*tmpList[iii] << "\" and \"" << *m_listDirectory[jjj] << "\"");
-			if (_list[jjj] == NULL) {
+			if (_list[jjj] == nullptr) {
 				continue;
 			}
 			if (tmpList[iii]->m_bufferName.getNameFile() > _list[jjj]->m_bufferName.getNameFile()) {
@@ -70,30 +70,30 @@ BufferView::~BufferView() {
 void BufferView::removeAllElement() {
 	for(auto &it : m_list) {
 		delete(it);
-		it = NULL;
+		it = nullptr;
 	}
 	m_list.clear();
 }

 void BufferView::insertAlphabetic(appl::dataBufferStruct* _dataStruct, bool _selectNewPosition) {
-	if (_dataStruct == NULL) {
+	if (_dataStruct == nullptr) {
 		return;
 	}
 	// alphabetical order:
 	for (size_t iii = 0; iii < m_list.size(); ++iii) {
-		if (m_list[iii] == NULL) {
+		if (m_list[iii] == nullptr) {
 			continue;
 		}
 		if (std::tolower(m_list[iii]->m_bufferName.getNameFile()) > std::tolower(_dataStruct->m_bufferName.getNameFile())) {
 			m_list.insert(m_list.begin() + iii, _dataStruct);
-			_dataStruct = NULL;
+			_dataStruct = nullptr;
 			if (_selectNewPosition == true) {
 				m_selectedID = iii;
 			}
 			break;
 		}
 	}
-	if (_dataStruct != NULL) {
+	if (_dataStruct != nullptr) {
 		m_list.push_back(_dataStruct);
 		if (_selectNewPosition == true) {
 			m_selectedID = m_list.size()-1;
@@ -106,7 +106,7 @@ void BufferView::onReceiveMessage(const ewol::object::Message& _msg) {
 	ewol::widget::List::onReceiveMessage(_msg);
 	if (_msg.getMessage() == appl::MsgSelectNewFile) {
 		ewol::object::Shared<appl::Buffer> buffer = m_bufferManager->get(_msg.getData());
-		if (buffer == NULL) {
+		if (buffer == nullptr) {
 			APPL_ERROR("event on element nor exist : " << _msg.getData());
 			return;
 		}
@@ -114,7 +114,7 @@ void BufferView::onReceiveMessage(const ewol::object::Message& _msg) {
 		buffer->registerOnEvent(this, appl::Buffer::eventIsModify);
 		buffer->registerOnEvent(this, appl::Buffer::eventChangeName);
 		appl::dataBufferStruct* tmp = new appl::dataBufferStruct(_msg.getData(), buffer);
-		if (tmp == NULL) {
+		if (tmp == nullptr) {
 			APPL_ERROR("Allocation error of the tmp buffer list element");
 			return;
 		}
@@ -128,7 +128,7 @@ void BufferView::onReceiveMessage(const ewol::object::Message& _msg) {
 	}
 	if (_msg.getMessage() == appl::Buffer::eventChangeName) {
 		for (size_t iii = 0; iii < m_list.size(); ++iii) {
-			if (m_list[iii] == NULL) {
+			if (m_list[iii] == nullptr) {
 				continue;
 			}
 			if (m_list[iii]->m_bufferName != m_list[iii]->m_buffer->getFileName()) {
@@ -136,7 +136,7 @@ void BufferView::onReceiveMessage(const ewol::object::Message& _msg) {
 				if (m_openOrderMode == false) {
 					// re-order the fine in the correct position
 					appl::dataBufferStruct* tmp = m_list[iii];
-					m_list[iii] = NULL;
+					m_list[iii] = nullptr;
 					m_list.erase(m_list.begin() + iii);
 					insertAlphabetic(tmp, ((int64_t)iii == m_selectedID));
 					break;
@@ -158,12 +158,12 @@ void BufferView::onReceiveMessage(const ewol::object::Message& _msg) {
 	if (_msg.getMessage() == appl::MsgSelectChange) {
 		m_selectedID = -1;
 		ewol::object::Shared<appl::Buffer> tmpBuffer;
-		if (m_bufferManager != NULL) {
+		if (m_bufferManager != nullptr) {
 			tmpBuffer = m_bufferManager->getBufferSelected();
 		}
-		if (tmpBuffer != NULL) {
+		if (tmpBuffer != nullptr) {
 			for (size_t iii=0; iii<m_list.size(); iii++) {
-				if (m_list[iii] == NULL) {
+				if (m_list[iii] == nullptr) {
 					continue;
 				}
 				if (m_list[iii]->m_buffer != tmpBuffer) {
@@ -185,11 +185,11 @@ void BufferView::onReceiveMessage(const ewol::object::Message& _msg) {
 			/*
 			if (BufferManager::exist(iii)) {
 				BufferText* tmpBuffer = BufferManager::get(iii);
-				if (NULL != tmpBuffer) {
+				if (nullptr != tmpBuffer) {
 					bool isModify  = tmpBuffer->isModify();
 					etk::FSNode name = tmpBuffer->getFileName();
 					appl::dataBufferStruct* tmpElement = new appl::dataBufferStruct(name, iii, isModify);
-					if (NULL != tmpElement) {
+					if (nullptr != tmpElement) {
 						m_list.push_back(tmpElement);
 					} else {
 						APPL_ERROR("Allocation error of the tmp buffer list element");
@@ -258,7 +258,7 @@ bool BufferView::getElement(int32_t _colomn, int32_t _raw, std::string& _myTextT
 	    && m_list[_raw] != nullptr) {
 		_myTextToWrite = m_list[_raw]->m_bufferName.getNameFile();
 		
-		if (    m_list[_raw]->m_buffer != NULL
+		if (    m_list[_raw]->m_buffer != nullptr
 		     && m_list[_raw]->m_buffer->isModify() == false) {
 			_fg = (*m_paintingProperties)[m_colorTextNormal].getForeground();
 		} else {
@@ -285,8 +285,8 @@ bool BufferView::onItemEvent(int32_t _IdInput, enum ewol::key::status _typeEvent
 		APPL_INFO("Event on List : IdInput=" << _IdInput << " colomn=" << _colomn << " raw=" << _raw );
 		if(    _raw >= 0
 		    && _raw<(int64_t)m_list.size()
-		    && NULL != m_list[_raw]) {
-			if (m_list[_raw]->m_buffer != NULL) {
+		    && nullptr != m_list[_raw]) {
+			if (m_list[_raw]->m_buffer != nullptr) {
 				sendMultiCast(appl::MsgSelectNewFile, m_list[_raw]->m_buffer->getFileName());
 				m_selectedID = _raw;
 				markToRedraw();
--- a/sources/appl/Gui/MainWindows.cpp
+++ b/sources/appl/Gui/MainWindows.cpp
@@ -61,10 +61,10 @@ class ParameterAboutGui : public ewol::widget::Sizer {
 	public :
 		ParameterAboutGui() :
 		  ewol::widget::Sizer(ewol::widget::Sizer::modeVert) {
-			ewol::object::Shared<ewol::widget::Spacer> mySpacer = NULL;
+			ewol::object::Shared<ewol::widget::Spacer> mySpacer = nullptr;
 			
 			mySpacer = ewol::object::makeShared(new ewol::widget::Spacer());
-			if (NULL == mySpacer) {
+			if (nullptr == mySpacer) {
 				APPL_ERROR("Can not allocate widget  == > display might be in error");
 			} else {
 				mySpacer->setExpand(bvec2(true,true));
@@ -94,7 +94,7 @@ class ParameterAboutGui : public ewol::widget::Sizer {
 			tmpLabel += "    tinyXml, freetype, agg2.4, etk<br/>";
 			tmpLabel += "</left>";
 			ewol::object::Shared<ewol::widget::Label> myLabel = ewol::object::makeShared(new ewol::widget::Label(tmpLabel));
-			if (NULL == myLabel) {
+			if (nullptr == myLabel) {
 				APPL_ERROR("Can not allocate widget  == > display might be in error");
 			} else {
 				myLabel->setExpand(bvec2(true,false));
@@ -122,12 +122,12 @@ const char* l_smoothMax = "tmpEvent_maxChange";
 MainWindows::MainWindows() {
 	addObjectType("appl::MainWindows");
 	APPL_DEBUG("CREATE WINDOWS ... ");
-	ewol::object::Shared<ewol::widget::Sizer> mySizerVert = NULL;
-	ewol::object::Shared<ewol::widget::Sizer> mySizerVert2 = NULL;
-	ewol::object::Shared<ewol::widget::Sizer> mySizerHori = NULL;
-	ewol::object::Shared<appl::TextViewer> myTextView = NULL;
-	ewol::object::Shared<BufferView> myBufferView = NULL;
-	ewol::object::Shared<ewol::widget::Menu> myMenu = NULL;
+	ewol::object::Shared<ewol::widget::Sizer> mySizerVert = nullptr;
+	ewol::object::Shared<ewol::widget::Sizer> mySizerVert2 = nullptr;
+	ewol::object::Shared<ewol::widget::Sizer> mySizerHori = nullptr;
+	ewol::object::Shared<appl::TextViewer> myTextView = nullptr;
+	ewol::object::Shared<BufferView> myBufferView = nullptr;
+	ewol::object::Shared<ewol::widget::Menu> myMenu = nullptr;
 	
 	// load buffer manager:
 	m_bufferManager = appl::BufferManager::keep();
@@ -283,19 +283,19 @@ void MainWindows::onReceiveMessage(const ewol::object::Message& _msg) {
 	// open file Section ...
 	if (_msg.getMessage() == ednMsgGuiOpen) {
 		ewol::widget::FileChooser* tmpWidget = new ewol::widget::FileChooser();
-		if (tmpWidget == NULL) {
+		if (tmpWidget == nullptr) {
 			APPL_ERROR("Can not open File chooser !!! ");
 			return;
 		}
 		tmpWidget->setTitle("Open files ...");
 		tmpWidget->setValidateLabel("Open");
-		if (m_bufferManager == NULL) {
+		if (m_bufferManager == nullptr) {
 			APPL_ERROR("can not call unexistant buffer manager ... ");
 			return;
 		}
 		// Get a ref on the buffer selected (if null, no buffer was selected ...)
 		ewol::object::Shared<appl::Buffer> tmpBuffer = m_bufferManager->getBufferSelected();
-		if (tmpBuffer != NULL) {
+		if (tmpBuffer != nullptr) {
 			etk::FSNode tmpFile = tmpBuffer->getFileName();
 			tmpWidget->setFolder(tmpFile.getNameFolder());
 		}
@@ -305,7 +305,7 @@ void MainWindows::onReceiveMessage(const ewol::object::Message& _msg) {
 	} else if (_msg.getMessage() == ednMsgProperties) {
 		// Request the parameter GUI
 		ewol::object::Shared<ewol::widget::Parameter> tmpWidget = ewol::object::makeShared(new ewol::widget::Parameter());
-		if (NULL == tmpWidget) {
+		if (nullptr == tmpWidget) {
 			APPL_ERROR("Can not allocate widget  == > display might be in error");
 		} else {
 			#ifdef SDGSDFGSDFGSDFGSDFGSTERGDHFGHFDS
@@ -344,10 +344,10 @@ void MainWindows::onReceiveMessage(const ewol::object::Message& _msg) {
 			tmpWidget->menuAddGroup("Editor");
 			ewol::object::Shared<ewol::Widget> tmpSubWidget = ewol::object::makeShared(new globals::ParameterGlobalsGui());
 			tmpWidget->menuAdd("Editor",          "", tmpSubWidget);
-			tmpWidget->menuAdd("Font & Color", "", NULL);
-			tmpWidget->menuAdd("Highlight",       "", NULL);
+			tmpWidget->menuAdd("Font & Color", "", nullptr);
+			tmpWidget->menuAdd("Highlight",       "", nullptr);
 			tmpWidget->menuAddGroup("General");
-			tmpWidget->menuAdd("Display",       "", NULL);
+			tmpWidget->menuAdd("Display",       "", nullptr);
 			tmpSubWidget = ewol::object::makeShared(new ParameterAboutGui());
 			tmpWidget->menuAdd("About",           "", tmpSubWidget);
 		}
@@ -366,7 +366,7 @@ void MainWindows::onReceiveMessage(const ewol::object::Message& _msg) {
 		// TODO : ...
 	}
 	// Note : Fore all next message we need to acces to the buffer manager ==> just check one time ...
-	if (m_bufferManager == NULL) {
+	if (m_bufferManager == nullptr) {
 		APPL_ERROR("can not call unexistant buffer manager ... ");
 		return;
 	}
@@ -376,9 +376,9 @@ void MainWindows::onReceiveMessage(const ewol::object::Message& _msg) {
 	     || _msg.getMessage() == appl::Buffer::eventChangeName) {
 		// select a new Buffer ==> change title:
 		ewol::object::Shared<appl::Buffer> tmpp = m_bufferManager->getBufferSelected();
-		if (tmpp == NULL) {
+		if (tmpp == nullptr) {
 			setTitle("Edn");
-			if (m_widgetLabelFileName != NULL) {
+			if (m_widgetLabelFileName != nullptr) {
 				m_widgetLabelFileName->setLabel("");
 			}
 		} else {
@@ -389,7 +389,7 @@ void MainWindows::onReceiveMessage(const ewol::object::Message& _msg) {
 			}
 			std::string nameFileSystem = etk::FSNode(tmpp->getFileName()).getFileSystemName();
 			setTitle(std::string("Edn : ") + (tmpp->isModify()==true?" *":"") + nameFileSystem);
-			if (m_widgetLabelFileName != NULL) {
+			if (m_widgetLabelFileName != nullptr) {
 				m_widgetLabelFileName->setLabel(nameFileSystem + (tmpp->isModify()==true?" *":""));
 			}
 		}
@@ -426,7 +426,7 @@ void MainWindows::onReceiveMessage(const ewol::object::Message& _msg) {
 			return;
 		}
 		ewol::object::Shared<appl::Buffer> tmpBuffer = m_bufferManager->get(_msg.getData());
-		if (tmpBuffer == NULL) {
+		if (tmpBuffer == nullptr) {
 			APPL_ERROR("Error to get the buffer : " << _msg.getData());
 			return;
 		}
@@ -445,7 +445,7 @@ void MainWindows::onReceiveMessage(const ewol::object::Message& _msg) {
 			return;
 		}
 		ewol::object::Shared<appl::Buffer> tmpBuffer = m_bufferManager->get(_msg.getData());
-		if (tmpBuffer == NULL) {
+		if (tmpBuffer == nullptr) {
 			APPL_ERROR("Error to get the buffer : " << _msg.getData());
 			return;
 		}
@@ -456,7 +456,7 @@ void MainWindows::onReceiveMessage(const ewol::object::Message& _msg) {
 			return;
 		}
 		ewol::object::Shared<appl::Buffer> tmpBuffer = m_bufferManager->get(_msg.getData());
-		if (tmpBuffer == NULL) {
+		if (tmpBuffer == nullptr) {
 			APPL_ERROR("Error to get the buffer : " << _msg.getData());
 			return;
 		}
@@ -467,42 +467,42 @@ void MainWindows::onReceiveMessage(const ewol::object::Message& _msg) {
 }

 void MainWindows::saveAsPopUp(const ewol::object::Shared<appl::Buffer>& _buffer) {
-	if (_buffer == NULL) {
-		APPL_ERROR("Call With NULL input...");
+	if (_buffer == nullptr) {
+		APPL_ERROR("Call With nullptr input...");
 		return;
 	}
 	appl::WorkerSaveFile* tmpObject = new appl::WorkerSaveFile(_buffer->getFileName());
 }

 void MainWindows::closeNotSavedFile(const ewol::object::Shared<appl::Buffer>& _buffer) {
-	if (_buffer == NULL) {
-		APPL_ERROR("Call With NULL input...");
+	if (_buffer == nullptr) {
+		APPL_ERROR("Call With nullptr input...");
 		return;
 	}
 	ewol::object::Shared<ewol::widget::StdPopUp> tmpPopUp = ewol::object::makeShared(new ewol::widget::StdPopUp());
-	if (tmpPopUp == NULL) {
+	if (tmpPopUp == nullptr) {
 		APPL_ERROR("Can not create a simple pop-up");
 		return;
 	}
 	tmpPopUp->setTitle("<bold>Close un-saved file:</bold>");
 	tmpPopUp->setComment("The file named : <i>\"" + _buffer->getFileName() + "\"</i> is curently modify.   <br/>If you don't saves these modifications,<br/>they will be definitly lost...");
-	ewol::object::Shared<ewol::Widget> bt = NULL;
+	ewol::object::Shared<ewol::Widget> bt = nullptr;
 	if (_buffer->hasFileName() == true) {
 		bt = tmpPopUp->addButton("Save", true);
-		if (bt != NULL) {
+		if (bt != nullptr) {
 			// TODO : The element is removed before beeing pressed
 			bt->registerOnEvent(this, "pressed", mainWindowsRequestSaveFile, _buffer->getFileName());
 			bt->registerOnEvent(this, "pressed", mainWindowsRequestcloseFileNoCheck, _buffer->getFileName());
 		}
 	}
 	bt = tmpPopUp->addButton("Save As", true);
-	if (bt != NULL) {
+	if (bt != nullptr) {
 		bt->registerOnEvent(this, "pressed", mainWindowsRequestSaveFileAs, _buffer->getFileName());
 		//bt->registerOnEvent(this, "pressed", mainWindowsRequestcloseFileNoCheck, _buffer->getFileName());
 		// TODO : Request the close when saved ...
 	}
 	bt = tmpPopUp->addButton("Close", true);
-	if (bt != NULL) {
+	if (bt != nullptr) {
 		bt->registerOnEvent(this, "pressed", mainWindowsRequestcloseFileNoCheck, _buffer->getFileName());
 	}
 	tmpPopUp->addButton("Cancel", true);
@@ -513,6 +513,6 @@ void MainWindows::closeNotSavedFile(const ewol::object::Shared<appl::Buffer>& _b
 void MainWindows::onObjectRemove(const ewol::object::Shared<ewol::Object>& _removeObject) {
 	ewol::widget::Windows::onObjectRemove(_removeObject);
 	if (m_widgetLabelFileName == _removeObject) {
-		m_widgetLabelFileName = NULL;
+		m_widgetLabelFileName = nullptr;
 	}
 }
--- a/sources/appl/Gui/Search.cpp
+++ b/sources/appl/Gui/Search.cpp
@@ -30,12 +30,12 @@ const char* const l_eventHideBt = "appl-hide-button";

 appl::widget::Search::Search() :
  ewol::widget::Composer(ewol::widget::Composer::file, "DATA:GUI-Search.xml"),
-  m_viewerManager(NULL),
+  m_viewerManager(nullptr),
  m_forward(true),
  m_caseSensitive(false),
  m_wrap(true),
-  m_searchEntry(NULL),
-  m_replaceEntry(NULL) {
+  m_searchEntry(nullptr),
+  m_replaceEntry(nullptr) {
 	addObjectType("appl::widget::Search");
 	// load buffer manager:onObjectRemove
 	m_viewerManager = appl::ViewerManager::keep();
@@ -68,12 +68,12 @@ appl::widget::Search::~Search() {
 }

 void appl::widget::Search::find() {
-	if (m_viewerManager == NULL) {
+	if (m_viewerManager == nullptr) {
 		APPL_WARNING("No viewer manager selected!!!");
 		return;
 	}
 	ewol::object::Shared<appl::TextViewer> viewer = m_viewerManager->getViewerSelected();
-	if (viewer == NULL) {
+	if (viewer == nullptr) {
 		APPL_INFO("No viewer selected!!!");
 		return;
 	}
@@ -104,12 +104,12 @@ void appl::widget::Search::find() {
 }

 void appl::widget::Search::replace() {
-	if (m_viewerManager == NULL) {
+	if (m_viewerManager == nullptr) {
 		APPL_WARNING("No viewer manager selected!!!");
 		return;
 	}
 	ewol::object::Shared<appl::TextViewer> viewer = m_viewerManager->getViewerSelected();
-	if (viewer == NULL) {
+	if (viewer == nullptr) {
 		APPL_INFO("No viewer selected!!!");
 		return;
 	}
@@ -146,14 +146,14 @@ void appl::widget::Search::onReceiveMessage(const ewol::object::Message& _msg) {
 	} else if ( _msg.getMessage() == ednMsgGuiSearch) {
 		if (true == isHide()) {
 			show();
-			if (m_searchEntry!= NULL) {
+			if (m_searchEntry!= nullptr) {
 				m_searchEntry->keepFocus();
 			}
 		} else {
-			if(    (m_searchEntry!=NULL  && true == m_searchEntry->getFocus())
-			    || (m_replaceEntry!=NULL && true == m_replaceEntry->getFocus()) ) {
+			if(    (m_searchEntry!=nullptr  && true == m_searchEntry->getFocus())
+			    || (m_replaceEntry!=nullptr && true == m_replaceEntry->getFocus()) ) {
 				hide();
-			} else if (m_searchEntry!= NULL) {
+			} else if (m_searchEntry!= nullptr) {
 				m_searchEntry->keepFocus();
 			} else {
 				hide();
--- a/sources/appl/Gui/TagFileList.cpp
+++ b/sources/appl/Gui/TagFileList.cpp
@@ -24,7 +24,7 @@ appl::TagFileList::TagFileList() {
 	setMouseLimit(1);
 	// Load color properties: (use file list to be generic ...)
 	m_colorProperty = ewol::resource::ColorFile::keep("THEME:COLOR:ListFileSystem.json");
-	if (m_colorProperty != NULL) {
+	if (m_colorProperty != nullptr) {
 		m_colorIdText = m_colorProperty->request("text");
 		m_colorIdBackground1 = m_colorProperty->request("background1");
 		m_colorIdBackground2 = m_colorProperty->request("background2");
@@ -36,7 +36,7 @@ appl::TagFileList::TagFileList() {
 appl::TagFileList::~TagFileList() {
 	for (auto &it : m_list) {
 		delete(it);
-		it = NULL;
+		it = nullptr;
 	}
 }

@@ -58,7 +58,7 @@ uint32_t appl::TagFileList::getNuberOfRaw() {
 }

 bool appl::TagFileList::getElement(int32_t _colomn, int32_t _raw, std::string& _myTextToWrite, etk::Color<>& _fg, etk::Color<>& _bg) {
-	if (_raw >= 0 && (size_t)_raw < m_list.size() && NULL != m_list[_raw]) {
+	if (_raw >= 0 && (size_t)_raw < m_list.size() && nullptr != m_list[_raw]) {
 		if (0 == _colomn) {
 			_myTextToWrite = std::to_string(m_list[_raw]->fileLine);
 		} else {
@@ -96,7 +96,7 @@ bool appl::TagFileList::onItemEvent(int32_t _IdInput, enum ewol::key::status _ty
 			}
 			if(    m_selectedLine  >= 0
 			    && m_selectedLine < (int64_t)m_list.size()
-			    && NULL != m_list[m_selectedLine] ) {
+			    && nullptr != m_list[m_selectedLine] ) {
 				generateEventId(event, std::to_string(m_list[_raw]->fileLine)+":"+m_list[m_selectedLine]->filename);
 			} else {
 				generateEventId(applEventCtagsListUnSelect);
@@ -117,7 +117,7 @@ bool appl::TagFileList::onItemEvent(int32_t _IdInput, enum ewol::key::status _ty
 */
 void appl::TagFileList::add(std::string& _file, int32_t _line) {
 	appl::TagListElement *tmpFile = new appl::TagListElement(_file, _line);
-	if (NULL != tmpFile) {
+	if (nullptr != tmpFile) {
 		m_list.push_back(tmpFile);
 	}
 	markToRedraw();
--- a/sources/appl/Gui/TagFileSelection.cpp
+++ b/sources/appl/Gui/TagFileSelection.cpp
@@ -47,7 +47,7 @@ appl::TagFileSelection::TagFileSelection() {
 	#endif
 	
 	mySizerVert = ewol::object::makeShared(new ewol::widget::Sizer(ewol::widget::Sizer::modeVert));
-	if (NULL == mySizerVert) {
+	if (nullptr == mySizerVert) {
 		EWOL_ERROR("Can not allocate widget  == > display might be in error");
 	} else {
 		mySizerVert->lockExpand(bvec2(true,true));
@@ -77,7 +77,7 @@ appl::TagFileSelection::TagFileSelection() {
 		compose->registerOnEventNameWidget(this, "PLUGIN-CTAGS-cancel", "pressed", applEventctagsCancel);
 			
 		m_listTag = ewol::object::makeShared(new appl::TagFileList());
-		if (NULL == m_listTag) {
+		if (nullptr == m_listTag) {
 			EWOL_ERROR("Can not allocate widget  == > display might be in error");
 		} else {
 			m_listTag->registerOnEvent(this, applEventCtagsListValidate);
@@ -89,7 +89,7 @@ appl::TagFileSelection::TagFileSelection() {
 		}
 		
 		myWidgetTitle = new ewol::widget::Label("Ctags Jump Selection ...");
-		if (NULL == myWidgetTitle) {
+		if (nullptr == myWidgetTitle) {
 			EWOL_ERROR("Can not allocate widget  == > display might be in error");
 		} else {
 			mySizerVert->subWidgetAdd(myWidgetTitle);
@@ -134,7 +134,7 @@ void appl::TagFileSelection::onReceiveMessage(const ewol::object::Message& _msg)
 * @param[in] jump line id
 */
 void appl::TagFileSelection::addCtagsNewItem(std::string _file, int32_t _line) {
-	if (NULL != m_listTag) {
+	if (nullptr != m_listTag) {
 		m_listTag->add(_file, _line);
 	}
 }
@@ -144,7 +144,7 @@ void appl::TagFileSelection::onObjectRemove(const ewol::object::Shared<ewol::Obj
 	ewol::widget::PopUp::onObjectRemove(_removeObject);
 	// second step find if in all the elements ...
 	if(_removeObject == m_listTag) {
-		m_listTag = NULL;
+		m_listTag = nullptr;
 	}
 }

--- a/sources/appl/Gui/TextViewer.cpp
+++ b/sources/appl/Gui/TextViewer.cpp
@@ -67,7 +67,7 @@ appl::TextViewer::~TextViewer() {
 }

 std::string appl::TextViewer::getBufferPath() {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return "";
 	}
 	std::string filename = m_buffer->getFileName();
@@ -109,7 +109,7 @@ void appl::TextViewer::onRegenerateDisplay() {
 	m_displayDrawing.setColor((*m_paintingProperties)[m_colorBackground].getForeground());
 	m_displayDrawing.rectangleWidth(m_size);
 	
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		m_maxSize.setX(256);
 		m_maxSize.setY(256);
 		m_displayText.setTextAlignement(10, m_size.x()-20, ewol::compositing::alignLeft);
@@ -204,7 +204,7 @@ void appl::TextViewer::onRegenerateDisplay() {
 	appl::DisplayHLData displayLocalSyntax;
 	m_buffer->hightlightGenerateLines(displayLocalSyntax, startingIt, (m_size.y()/tmpLetterSize.y()) + 5);
 	float maxSizeX = 0;
-	appl::HighlightInfo * HLColor = NULL;
+	appl::HighlightInfo * HLColor = nullptr;
 	bool DisplayCursorAndSelection = isSelectedLast();
 	appl::Buffer::Iterator it;
 	for (it = startingIt;
@@ -242,8 +242,8 @@ void appl::TextViewer::onRegenerateDisplay() {
 		}
 		HLColor = m_buffer->getElementColorAtPosition(displayLocalSyntax, (int64_t)it);
 		bool haveBackground = false;
-		if (    HLColor != NULL
-		     && HLColor->patern != NULL) {
+		if (    HLColor != nullptr
+		     && HLColor->patern != nullptr) {
 			m_displayText.setColor(HLColor->patern->getColorGlyph().getForeground());
 			m_displayText.setColorBg(HLColor->patern->getColorGlyph().getBackground());
 			haveBackground = HLColor->patern->getColorGlyph().haveBackground();
@@ -313,7 +313,7 @@ void appl::TextViewer::onRegenerateDisplay() {
 }

 bool appl::TextViewer::onEventEntry(const ewol::event::Entry& _event) {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return false;
 	}
 	// First call plugin
@@ -429,7 +429,7 @@ bool appl::TextViewer::onEventInput(const ewol::event::Input& _event) {
 		keepFocus();
 	}
 	//tic();
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return false;
 	}
 	// First call the scrolling widget :
@@ -613,7 +613,7 @@ appl::Buffer::Iterator appl::TextViewer::getMousePosition(const vec2& _relativeP
 }

 void appl::TextViewer::onEventClipboard(enum ewol::context::clipBoard::clipboardListe _clipboardID) {
-	if (m_buffer != NULL) {
+	if (m_buffer != nullptr) {
 		std::string data = ewol::context::clipBoard::get(_clipboardID);
 		write(data);
 	}
@@ -642,7 +642,7 @@ void appl::TextViewer::onReceiveMessage(const ewol::object::Message& _msg) {
 		return;
 	}
 	if (_msg.getMessage() == appl::MsgSelectGotoLineSelect) {
-		if (m_buffer == NULL) {
+		if (m_buffer == nullptr) {
 			return;
 		}
 		appl::Buffer::Iterator it = m_buffer->countForwardNLines(m_buffer->begin(), std::stoi(_msg.getData()));
@@ -651,7 +651,7 @@ void appl::TextViewer::onReceiveMessage(const ewol::object::Message& _msg) {
 		return;
 	}
 	if (_msg.getMessage() == appl::MsgSelectGotoLine) {
-		if (m_buffer == NULL) {
+		if (m_buffer == nullptr) {
 			return;
 		}
 		appl::Buffer::Iterator it = m_buffer->countForwardNLines(m_buffer->begin(), std::stoi(_msg.getData()));
@@ -661,7 +661,7 @@ void appl::TextViewer::onReceiveMessage(const ewol::object::Message& _msg) {
 	}
 	if (_msg.getMessage() == appl::MsgSelectNewFile) {
 		// reset scroll:
-		if (m_buffer != NULL) {
+		if (m_buffer != nullptr) {
 			m_buffer->unRegisterOnEvent(this);
 			bool needAdd = true;
 			for (size_t iii=0; iii<m_drawingRemenber.size(); ++iii) {
@@ -678,10 +678,10 @@ void appl::TextViewer::onReceiveMessage(const ewol::object::Message& _msg) {
 			}
 		}
 		m_originScrooled = vec2(0,0);
-		if (m_bufferManager != NULL) {
+		if (m_bufferManager != nullptr) {
 			m_buffer = m_bufferManager->get(_msg.getData());
 			m_bufferManager->setBufferSelected(m_buffer);
-			if (m_buffer != NULL) {
+			if (m_buffer != nullptr) {
 				m_buffer->registerOnEvent(this, appl::Buffer::eventIsModify);
 				m_buffer->registerOnEvent(this, appl::Buffer::eventSelectChange);
 				for (auto element : m_drawingRemenber) {
@@ -702,7 +702,7 @@ void appl::TextViewer::onReceiveMessage(const ewol::object::Message& _msg) {
 void appl::TextViewer::onObjectRemove(const ewol::object::Shared<ewol::Object>& _removeObject) {
 	ewol::widget::WidgetScrolled::onObjectRemove(_removeObject);
 	if (m_buffer == _removeObject) {
-		m_buffer = NULL;
+		m_buffer = nullptr;
 		markToRedraw();
 	}
 }
@@ -731,7 +731,7 @@ void appl::TextViewer::setFontName(const std::string& _fontName) {

 // TODO : Update process time ==> a little expensive (2->4ms) in end of file
 void appl::TextViewer::updateScrolling() {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return;
 	}
 	vec2 realCursorPosition(0,0);
@@ -760,7 +760,7 @@ void appl::TextViewer::updateScrolling() {
 }

 bool appl::TextViewer::moveCursor(const appl::Buffer::Iterator& _pos) {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return false;
 	}
 	markToRedraw();
@@ -774,7 +774,7 @@ bool appl::TextViewer::moveCursor(const appl::Buffer::Iterator& _pos) {
 }

 bool appl::TextViewer::write(const std::string& _data) {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return false;
 	}
 	if (m_buffer->hasTextSelected() == true) {
@@ -784,7 +784,7 @@ bool appl::TextViewer::write(const std::string& _data) {
 }

 bool appl::TextViewer::write(const std::string& _data, const appl::Buffer::Iterator& _pos) {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return false;
 	}
 	markToRedraw();
@@ -800,7 +800,7 @@ bool appl::TextViewer::write(const std::string& _data, const appl::Buffer::Itera
 }

 bool appl::TextViewer::replace(const std::string& _data, const appl::Buffer::Iterator& _pos, const appl::Buffer::Iterator& _posEnd) {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return false;
 	}
 	markToRedraw();
@@ -816,7 +816,7 @@ bool appl::TextViewer::replace(const std::string& _data, const appl::Buffer::Ite
 }

 bool appl::TextViewer::replace(const std::string& _data) {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return false;
 	}
 	if (m_buffer->hasTextSelected() == false) {
@@ -826,7 +826,7 @@ bool appl::TextViewer::replace(const std::string& _data) {
 }

 void appl::TextViewer::remove() {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return;
 	}
 	if (m_buffer->hasTextSelected() == false) {
@@ -844,7 +844,7 @@ void appl::TextViewer::remove() {


 void appl::TextViewer::moveCursorRight(appl::TextViewer::moveMode _mode) {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return;
 	}
 	markToRedraw();
@@ -867,7 +867,7 @@ void appl::TextViewer::moveCursorRight(appl::TextViewer::moveMode _mode) {
 }

 void appl::TextViewer::moveCursorLeft(appl::TextViewer::moveMode _mode) {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return;
 	}
 	markToRedraw();
@@ -890,7 +890,7 @@ void appl::TextViewer::moveCursorLeft(appl::TextViewer::moveMode _mode) {
 }

 void appl::TextViewer::moveCursorUp(uint32_t _nbLine) {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return;
 	}
 	markToRedraw();
@@ -916,7 +916,7 @@ void appl::TextViewer::moveCursorUp(uint32_t _nbLine) {
 }

 void appl::TextViewer::moveCursorDown(uint32_t _nbLine) {
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		return;
 	}
 	markToRedraw();
@@ -996,13 +996,13 @@ float appl::TextViewer::getScreenSize(const appl::Buffer::Iterator& _startLinePo
 }

 void appl::TextViewer::setCurrentSelect() {
-	if (m_viewerManager != NULL) {
+	if (m_viewerManager != nullptr) {
 		m_viewerManager->setViewerSelected(this, m_buffer);
 	}
 }

 bool appl::TextViewer::isSelectedLast() {
-	if (m_viewerManager != NULL) {
+	if (m_viewerManager != nullptr) {
 		return m_viewerManager->isLastSelected(this);
 	}
 	return false;
--- a/sources/appl/Gui/TextViewer.h
+++ b/sources/appl/Gui/TextViewer.h
@@ -95,7 +95,7 @@ namespace appl {
 			 * @brief Remove selected data ... (No plugin call)
 			 */
 			void removeDirect() {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return;
 				}
 				m_buffer->removeSelection();
@@ -108,7 +108,7 @@ namespace appl {
 			 * @return true of no error occured.
 			 */
 			bool copy(std::string& _data) {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return false;
 				}
 				return m_buffer->copy(_data);
@@ -120,7 +120,7 @@ namespace appl {
 			 * @param[in] _posEnd End position to end replace the data.
 			 */
 			void copy(std::string& _data, const appl::Buffer::Iterator& _pos, const appl::Buffer::Iterator& _posEnd) {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return;
 				}
 				m_buffer->copy(_data, _pos, _posEnd);
@@ -132,7 +132,7 @@ namespace appl {
 			 * @return true if the write is done corectly
 			 */
 			bool writeDirect(const std::string& _data, const appl::Buffer::Iterator& _pos) {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return false;
 				}
 				bool ret = m_buffer->write(_data, _pos);
@@ -147,7 +147,7 @@ namespace appl {
 			 * @return true if the write is done corectly
 			 */
 			bool replaceDirect(const std::string& _data, const appl::Buffer::Iterator& _pos, const appl::Buffer::Iterator& _posEnd) {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return false;
 				}
 				bool ret = m_buffer->replace(_data, _pos, _posEnd);
@@ -208,14 +208,14 @@ namespace appl {
 			 * @return true if a display buffer is present, false otherwise.
 			 */
 			virtual bool hasBuffer() {
-				return m_buffer != NULL;
+				return m_buffer != nullptr;
 			}
 			/**
 			 * @brief Get the status of selection.
 			 * @return true if we have a current selection, false otherwise.
 			 */
 			virtual bool hasTextSelected() {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return false;
 				}
 				return m_buffer->hasTextSelected();
@@ -224,7 +224,7 @@ namespace appl {
 			 * @brief Remove Selection of the buffer.
 			 */
 			virtual void unSelect() {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return;
 				}
 				m_buffer->unSelect();
@@ -235,7 +235,7 @@ namespace appl {
 			 * @param[in] _stop Stop position of the selection (the curor is set at this position)
 			 */
 			virtual void select(const appl::Buffer::Iterator& _start, const appl::Buffer::Iterator& _stop) {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return;
 				}
 				moveCursor(_stop);
@@ -255,7 +255,7 @@ namespace appl {
 			                  appl::Buffer::Iterator& _resultStart,
 			                  appl::Buffer::Iterator& _resultStop,
 			                  bool _caseSensitive = true) {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return false;
 				}
 				bool ret = m_buffer->search(_pos, _search, _resultStart, _caseSensitive);
@@ -278,7 +278,7 @@ namespace appl {
 			                   appl::Buffer::Iterator& _resultStart,
 			                   appl::Buffer::Iterator& _resultStop,
 			                   bool _caseSensitive = true) {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return false;
 				}
 				bool ret = m_buffer->searchBack(_pos, _search, _resultStart, _caseSensitive);
@@ -297,7 +297,7 @@ namespace appl {
 			bool getPosAround(const appl::Buffer::Iterator& _pos,
 			                  appl::Buffer::Iterator &_beginPos,
 			                  appl::Buffer::Iterator &_endPos) {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return false;
 				}
 				return m_buffer->getPosAround(_pos, _beginPos, _endPos);
@@ -308,7 +308,7 @@ namespace appl {
 			 * @return The Iterator
 			 */
 			appl::Buffer::Iterator position(int64_t _pos) {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return appl::Buffer::Iterator();
 				}
 				return m_buffer->position(_pos);
@@ -318,7 +318,7 @@ namespace appl {
 			 * @return The iterator on the cursor position
 			 */
 			appl::Buffer::Iterator cursor() {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return appl::Buffer::Iterator();
 				}
 				return m_buffer->cursor();
@@ -328,7 +328,7 @@ namespace appl {
 			 * @return The iterator on the begin position
 			 */
 			appl::Buffer::Iterator begin() {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return appl::Buffer::Iterator();
 				}
 				return m_buffer->begin();
@@ -338,7 +338,7 @@ namespace appl {
 			 * @return The iterator on the end position
 			 */
 			appl::Buffer::Iterator end() {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return appl::Buffer::Iterator();
 				}
 				return m_buffer->end();
@@ -348,7 +348,7 @@ namespace appl {
 			 * @return The Iterator
 			 */
 			appl::Buffer::Iterator selectStart() {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return appl::Buffer::Iterator();
 				}
 				return m_buffer->selectStart();
@@ -358,7 +358,7 @@ namespace appl {
 			 * @return The Iterator
 			 */
 			appl::Buffer::Iterator selectStop() {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return appl::Buffer::Iterator();
 				}
 				return m_buffer->selectStop();
@@ -369,7 +369,7 @@ namespace appl {
 			 * @return The position in the buffer of the start of the line.
 			 */
 			appl::Buffer::Iterator getStartLine(const appl::Buffer::Iterator& _pos) {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return appl::Buffer::Iterator();
 				}
 				return m_buffer->getStartLine(_pos);
@@ -380,7 +380,7 @@ namespace appl {
 			 * @return The position in the buffer of the end of the line.
 			 */
 			appl::Buffer::Iterator getEndLine(const appl::Buffer::Iterator& _pos) {
-				if (m_buffer==NULL) {
+				if (m_buffer==nullptr) {
 					return appl::Buffer::Iterator();
 				}
 				return m_buffer->getEndLine(_pos);
--- a/sources/appl/Gui/ViewerManager.cpp
+++ b/sources/appl/Gui/ViewerManager.cpp
@@ -19,7 +19,7 @@

 appl::ViewerManager::ViewerManager() :
  ewol::Resource("???ViewerManager???"),
-  m_viewer(NULL) {
+  m_viewer(nullptr) {
 	addObjectType("appl::ViewerManager");
 	// load buffer manager:
 	m_bufferManager = appl::BufferManager::keep();
@@ -38,7 +38,7 @@ void appl::ViewerManager::setViewerSelected(const ewol::object::Shared<appl::Tex
 		return;
 	}
 	m_viewer = _viewer;
-	if (m_bufferManager != NULL) {
+	if (m_bufferManager != nullptr) {
 		m_bufferManager->setBufferSelected(_buffer);
 	}
 }
@@ -58,15 +58,15 @@ void appl::ViewerManager::onObjectRemove(const ewol::object::Shared<ewol::Object
 ewol::object::Shared<appl::ViewerManager> appl::ViewerManager::keep() {
 	//EWOL_INFO("KEEP : appl::GlyphPainting : file : \"" << _filename << "\"");
 	ewol::object::Shared<appl::ViewerManager> object = ewol::dynamic_pointer_cast<appl::ViewerManager>(getManager().localKeep("???ViewerManager???"));
-	if (NULL != object) {
+	if (nullptr != object) {
 		return object;
 	}
 	// this element create a new one every time ....
 	EWOL_INFO("CREATE : appl::ViewerManager: ???ViewerManager???");
 	object = ewol::object::makeShared(new appl::ViewerManager());
-	if (NULL == object) {
+	if (nullptr == object) {
 		EWOL_ERROR("allocation error of a resource : ???ViewerManager???");
-		return NULL;
+		return nullptr;
 	}
 	getManager().localAdd(object);
 	return object;
--- a/sources/appl/Gui/ViewerManager.h
+++ b/sources/appl/Gui/ViewerManager.h
@@ -52,7 +52,7 @@ namespace appl {
 			 * @brief keep the resource pointer.
 			 * @note Never free this pointer by your own...
 			 * @param[in] _filename Name of the configuration file.
-			 * @return pointer on the resource or NULL if an error occured.
+			 * @return pointer on the resource or nullptr if an error occured.
 			 */
 			static ewol::object::Shared<appl::ViewerManager> keep();
 	};
--- a/sources/appl/Gui/WorkerCloseAllFile.cpp
+++ b/sources/appl/Gui/WorkerCloseAllFile.cpp
@@ -16,13 +16,13 @@
 static const char* s_closeDone = "close-done";

 appl::WorkerCloseAllFile::WorkerCloseAllFile() :
-  m_worker(NULL),
-  m_bufferManager(NULL) {
+  m_worker(nullptr),
+  m_bufferManager(nullptr) {
 	addObjectType("appl::WorkerCloseAllFile");
 	// load buffer manager:
 	m_bufferManager = appl::BufferManager::keep();
 	
-	if (m_bufferManager == NULL) {
+	if (m_bufferManager == nullptr) {
 		APPL_ERROR("can not call unexistant buffer manager ... ");
 		autoDestroy();
 		return;
@@ -30,7 +30,7 @@ appl::WorkerCloseAllFile::WorkerCloseAllFile() :
 	// List all current open file :
 	for (int64_t iii=m_bufferManager->size()-1; iii>=0; --iii) {
 		ewol::object::Shared<appl::Buffer> tmpBuffer = m_bufferManager->get(iii);
-		if (tmpBuffer == NULL) {
+		if (tmpBuffer == nullptr) {
 			continue;
 		}
 		if (tmpBuffer->isModify() == false) {
@@ -60,7 +60,7 @@ appl::WorkerCloseAllFile::~WorkerCloseAllFile() {
 }

 void appl::WorkerCloseAllFile::onReceiveMessage(const ewol::object::Message& _msg) {
-	if (m_bufferManager == NULL) {
+	if (m_bufferManager == nullptr) {
 		// nothing to do in this case ==> can do nothing ...
 		return;
 	}
@@ -83,11 +83,11 @@ void appl::WorkerCloseAllFile::onReceiveMessage(const ewol::object::Message& _ms

 void appl::WorkerCloseAllFile::onObjectRemove(const ewol::object::Shared<ewol::Object>& _removeObject) {
 	if (_removeObject == m_worker) {
-		m_worker = NULL;
+		m_worker = nullptr;
 		APPL_VERBOSE("AutoRemove After saving sub widget ...");
 		autoDestroy();
 	} else if (_removeObject == m_bufferManager) {
-		m_bufferManager = NULL;
+		m_bufferManager = nullptr;
 		autoDestroy();
 	}
 }
--- a/sources/appl/Gui/WorkerCloseFile.cpp
+++ b/sources/appl/Gui/WorkerCloseFile.cpp
@@ -23,15 +23,15 @@ static const char* s_saveAsDone = "save-as-done";

 appl::WorkerCloseFile::WorkerCloseFile(const std::string& _bufferName) :
  m_bufferName(_bufferName),
-  m_buffer(NULL),
-  m_worker(NULL),
-  m_bufferManager(NULL) {
+  m_buffer(nullptr),
+  m_worker(nullptr),
+  m_bufferManager(nullptr) {
 	addObjectType("appl::WorkerCloseFile");
 	addEventId(eventCloseDone);
 	// load buffer manager:
 	m_bufferManager = appl::BufferManager::keep();
 	
-	if (m_bufferManager == NULL) {
+	if (m_bufferManager == nullptr) {
 		APPL_ERROR("can not call unexistant buffer manager ... ");
 		autoDestroy();
 		return;
@@ -39,7 +39,7 @@ appl::WorkerCloseFile::WorkerCloseFile(const std::string& _bufferName) :
 	if (m_bufferName == "") {
 		// need to find the curent file ...
 		ewol::object::Shared<appl::Buffer> tmpp = m_bufferManager->getBufferSelected();
-		if (tmpp == NULL) {
+		if (tmpp == nullptr) {
 			APPL_ERROR("No selected buffer now ...");
 			autoDestroy();
 			return;
@@ -52,7 +52,7 @@ appl::WorkerCloseFile::WorkerCloseFile(const std::string& _bufferName) :
 		return;
 	}
 	m_buffer = m_bufferManager->get(m_bufferName);
-	if (m_buffer == NULL) {
+	if (m_buffer == nullptr) {
 		APPL_ERROR("Error to get the buffer : " << m_bufferName);
 		autoDestroy();
 		return;
@@ -64,31 +64,31 @@ appl::WorkerCloseFile::WorkerCloseFile(const std::string& _bufferName) :
 	}
 	
 	ewol::object::Shared<ewol::widget::StdPopUp> tmpPopUp = ewol::object::makeShared(new ewol::widget::StdPopUp());
-	if (tmpPopUp == NULL) {
+	if (tmpPopUp == nullptr) {
 		APPL_ERROR("Can not create a simple pop-up");
 		return;
 	}
 	tmpPopUp->setTitle("<bold>Close un-saved file:</bold>");
 	tmpPopUp->setComment("The file named : <i>\"" + m_buffer->getFileName() + "\"</i> is curently modify.   <br/>If you don't saves these modifications,<br/>they will be definitly lost...");
-	ewol::object::Shared<ewol::Widget> bt = NULL;
+	ewol::object::Shared<ewol::Widget> bt = nullptr;
 	if (m_buffer->hasFileName() == true) {
 		bt = tmpPopUp->addButton("Save", true);
-		if (bt != NULL) {
+		if (bt != nullptr) {
 			bt->registerOnEvent(this, "pressed", s_saveValidate);
 		}
 	}
 	bt = tmpPopUp->addButton("Save As", true);
-	if (bt != NULL) {
+	if (bt != nullptr) {
 		bt->registerOnEvent(this, "pressed", s_saveAsValidate);
 	}
 	bt = tmpPopUp->addButton("Close", true);
-	if (bt != NULL) {
+	if (bt != nullptr) {
 		bt->registerOnEvent(this, "pressed", s_closeValidate);
 	}
 	tmpPopUp->addButton("Cancel", true);
 	tmpPopUp->setRemoveOnExternClick(true);
 	ewol::object::Shared<ewol::widget::Windows> tmpWindows = ewol::getContext().getWindows();
-	if (tmpWindows == NULL) {
+	if (tmpWindows == nullptr) {
 		APPL_ERROR("Error to get the windows.");
 		autoDestroy();
 		return;
@@ -101,25 +101,25 @@ appl::WorkerCloseFile::~WorkerCloseFile() {
 }

 void appl::WorkerCloseFile::onReceiveMessage(const ewol::object::Message& _msg) {
-	if (m_bufferManager == NULL) {
+	if (m_bufferManager == nullptr) {
 		// nothing to do in this case ==> can do nothing ...
 		return;
 	}
 	APPL_DEBUG("have message : " << _msg);
 	if (_msg.getMessage() == s_saveAsValidate) {
 		m_worker = ewol::object::makeShared(new appl::WorkerSaveFile(m_bufferName));
-		if (m_worker != NULL) {
+		if (m_worker != nullptr) {
 			m_worker->registerOnEvent(this, appl::WorkerSaveFile::eventSaveDone, s_saveAsDone);
 		}
 	} else if (_msg.getMessage() == s_saveValidate) {
-		if (m_buffer == NULL) {
+		if (m_buffer == nullptr) {
 			APPL_ERROR("Error to get the buffer : oldName=" << m_bufferName);
 			autoDestroy();
 			return;
 		}
 		if (m_buffer->storeFile() == false) {
 			ewol::object::Shared<ewol::widget::Windows> tmpWindows = ewol::getContext().getWindows();
-			if (tmpWindows == NULL) {
+			if (tmpWindows == nullptr) {
 				return;
 			}
 			tmpWindows->displayWarningMessage("We can not save the file : <br/><i>" + m_buffer->getFileName() + "</i>");
@@ -128,7 +128,7 @@ void appl::WorkerCloseFile::onReceiveMessage(const ewol::object::Message& _msg)
 		}
 	} else if (    _msg.getMessage() == s_closeValidate
 	            || _msg.getMessage() == s_saveAsDone) {
-		if (m_buffer == NULL) {
+		if (m_buffer == nullptr) {
 			APPL_ERROR("Error to get the buffer : " << m_bufferName);
 			autoDestroy();
 			return;
@@ -140,14 +140,14 @@ void appl::WorkerCloseFile::onReceiveMessage(const ewol::object::Message& _msg)

 void appl::WorkerCloseFile::onObjectRemove(const ewol::object::Shared<ewol::Object>& _removeObject) {
 	if (_removeObject == m_worker) {
-		m_worker = NULL;
+		m_worker = nullptr;
 		APPL_VERBOSE("AutoRemove After closing sub widget ...");
 		autoDestroy();
 	} else if (_removeObject == m_bufferManager) {
-		m_bufferManager = NULL;
+		m_bufferManager = nullptr;
 		autoDestroy();
 	} else if (_removeObject == m_buffer) {
-		m_buffer = NULL;
+		m_buffer = nullptr;
 		autoDestroy();
 	}
 }
--- a/sources/appl/Gui/WorkerSaveAllFile.cpp
+++ b/sources/appl/Gui/WorkerSaveAllFile.cpp
@@ -16,13 +16,13 @@
 static const char* s_saveAsDone = "save-as-done";

 appl::WorkerSaveAllFile::WorkerSaveAllFile() :
-  m_worker(NULL),
-  m_bufferManager(NULL) {
+  m_worker(nullptr),
+  m_bufferManager(nullptr) {
 	addObjectType("appl::WorkerSaveAllFile");
 	// load buffer manager:
 	m_bufferManager = appl::BufferManager::keep();
 	
-	if (m_bufferManager == NULL) {
+	if (m_bufferManager == nullptr) {
 		APPL_ERROR("can not call unexistant buffer manager ... ");
 		autoDestroy();
 		return;
@@ -30,7 +30,7 @@ appl::WorkerSaveAllFile::WorkerSaveAllFile() :
 	// List all current open file :
 	for (int32_t iii=0; iii<m_bufferManager->size(); ++iii) {
 		ewol::object::Shared<appl::Buffer> tmpBuffer = m_bufferManager->get(iii);
-		if (tmpBuffer == NULL) {
+		if (tmpBuffer == nullptr) {
 			continue;
 		}
 		if (tmpBuffer->isModify() == false) {
@@ -63,7 +63,7 @@ appl::WorkerSaveAllFile::~WorkerSaveAllFile() {
 }

 void appl::WorkerSaveAllFile::onReceiveMessage(const ewol::object::Message& _msg) {
-	if (m_bufferManager == NULL) {
+	if (m_bufferManager == nullptr) {
 		// nothing to do in this case ==> can do nothing ...
 		return;
 	}
@@ -86,11 +86,11 @@ void appl::WorkerSaveAllFile::onReceiveMessage(const ewol::object::Message& _msg

 void appl::WorkerSaveAllFile::onObjectRemove(const ewol::object::Shared<ewol::Object>& _removeObject) {
 	if (_removeObject == m_worker) {
-		m_worker = NULL;
+		m_worker = nullptr;
 		APPL_VERBOSE("AutoRemove After saving sub widget ...");
 		autoDestroy();
 	} else if (_removeObject == m_bufferManager) {
-		m_bufferManager = NULL;
+		m_bufferManager = nullptr;
 		autoDestroy();
 	}
 }
--- a/sources/appl/Gui/WorkerSaveFile.cpp
+++ b/sources/appl/Gui/WorkerSaveFile.cpp
@@ -19,14 +19,14 @@ static const char* s_saveAsValidate = "save-as-validate";

 appl::WorkerSaveFile::WorkerSaveFile(const std::string& _bufferName, bool _forceSaveAs) :
  m_bufferName(_bufferName),
-  m_chooser(NULL),
-  m_bufferManager(NULL) {
+  m_chooser(nullptr),
+  m_bufferManager(nullptr) {
 	addObjectType("appl::WorkerSaveFile");
 	addEventId(eventSaveDone);
 	// load buffer manager:
 	m_bufferManager = appl::BufferManager::keep();
 	
-	if (m_bufferManager == NULL) {
+	if (m_bufferManager == nullptr) {
 		APPL_ERROR("can not call unexistant buffer manager ... ");
 		autoDestroy();
 		return;
@@ -34,7 +34,7 @@ appl::WorkerSaveFile::WorkerSaveFile(const std::string& _bufferName, bool _force
 	if (m_bufferName == "") {
 		// need to find the curent file ...
 		ewol::object::Shared<appl::Buffer> tmpp = m_bufferManager->getBufferSelected();
-		if (tmpp == NULL) {
+		if (tmpp == nullptr) {
 			APPL_ERROR("No selected buffer now ...");
 			autoDestroy();
 			return;
@@ -47,7 +47,7 @@ appl::WorkerSaveFile::WorkerSaveFile(const std::string& _bufferName, bool _force
 		return;
 	}
 	ewol::object::Shared<appl::Buffer> tmpBuffer = m_bufferManager->get(m_bufferName);
-	if (tmpBuffer == NULL) {
+	if (tmpBuffer == nullptr) {
 		APPL_ERROR("Error to get the buffer : " << m_bufferName);
 		autoDestroy();
 		return;
@@ -61,7 +61,7 @@ appl::WorkerSaveFile::WorkerSaveFile(const std::string& _bufferName, bool _force
 		}
 	}
 	m_chooser = ewol::object::makeShared(new ewol::widget::FileChooser());
-	if (NULL == m_chooser) {
+	if (nullptr == m_chooser) {
 		APPL_ERROR("Can not allocate widget  == > display might be in error");
 		autoDestroy();
 		return;
@@ -72,7 +72,7 @@ appl::WorkerSaveFile::WorkerSaveFile(const std::string& _bufferName, bool _force
 	m_chooser->setFolder(tmpName.getNameFolder());
 	m_chooser->setFileName(tmpName.getNameFile());
 	ewol::object::Shared<ewol::widget::Windows> tmpWindows = ewol::getContext().getWindows();
-	if (tmpWindows == NULL) {
+	if (tmpWindows == nullptr) {
 		APPL_ERROR("Error to get the windows.");
 		autoDestroy();
 		return;
@@ -86,7 +86,7 @@ appl::WorkerSaveFile::~WorkerSaveFile() {
 }

 void appl::WorkerSaveFile::onReceiveMessage(const ewol::object::Message& _msg) {
-	if (m_bufferManager == NULL) {
+	if (m_bufferManager == nullptr) {
 		// nothing to do in this case ==> can do nothing ...
 		return;
 	}
@@ -100,14 +100,14 @@ void appl::WorkerSaveFile::onReceiveMessage(const ewol::object::Message& _msg) {
 			return;
 		}
 		ewol::object::Shared<appl::Buffer> tmpBuffer = m_bufferManager->get(m_bufferName);
-		if (tmpBuffer == NULL) {
+		if (tmpBuffer == nullptr) {
 			APPL_ERROR("Error to get the buffer : " << m_bufferName);
 			return;
 		}
 		tmpBuffer->setFileName(_msg.getData());
 		if (tmpBuffer->storeFile() == false) {
 			ewol::object::Shared<ewol::widget::Windows> tmpWindows = ewol::getContext().getWindows();
-			if (tmpWindows == NULL) {
+			if (tmpWindows == nullptr) {
 				return;
 			}
 			tmpWindows->displayWarningMessage("We can not save the file : <br/><i>" + tmpBuffer->getFileName() + "</i>");
@@ -119,11 +119,11 @@ void appl::WorkerSaveFile::onReceiveMessage(const ewol::object::Message& _msg) {

 void appl::WorkerSaveFile::onObjectRemove(const ewol::object::Shared<ewol::Object>& _removeObject) {
 	if (_removeObject == m_chooser) {
-		m_chooser = NULL;
+		m_chooser = nullptr;
 		APPL_VERBOSE("AutoRemove After closing sub widget ...");
 		autoDestroy();
 	} else if (_removeObject == m_bufferManager) {
-		m_bufferManager = NULL;
+		m_bufferManager = nullptr;
 		autoDestroy();
 	}
 }