diff --git a/ewol/widget/Sizer.cpp b/ewol/widget/Sizer.cpp
index 370076ad..e6a72c37 100644
--- a/ewol/widget/Sizer.cpp
+++ b/ewol/widget/Sizer.cpp
@@ -121,27 +121,28 @@ void ewol::widget::Sizer::calculateMinMaxSize() {
 	EWOL_VERBOSE("[" << getId() << "] {" << getObjectType() << "} set min size : " <<  m_minSize);
 	m_minSize += tmpBorderSize*2;
 	for (auto &it : m_subWidget) {
-		if (it != nullptr) {
-			it->calculateMinMaxSize();
-			if (it->canExpand().x() == true) {
-				m_subExpend.setX(true);
+		if (it == nullptr) {
+			continue;
+		}
+		it->calculateMinMaxSize();
+		if (it->canExpand().x() == true) {
+			m_subExpend.setX(true);
+		}
+		if (it->canExpand().y() == true) {
+			m_subExpend.setY(true);
+		}
+		vec2 tmpSize = it->getCalculateMinSize();
+		EWOL_VERBOSE("[" << getId() << "] NewMinSize=" << tmpSize);
+		EWOL_VERBOSE("[" << getId() << "] {" << getObjectType() << "}     Get minSize="<< tmpSize);
+		if (m_mode == ewol::widget::Sizer::modeVert) {
+			m_minSize.setY(m_minSize.y() + tmpSize.y());
+			if (tmpSize.x()>m_minSize.x()) {
+				m_minSize.setX(tmpSize.x());
 			}
-			if (it->canExpand().y() == true) {
-				m_subExpend.setY(true);
-			}
-			vec2 tmpSize = it->getCalculateMinSize();
-			EWOL_VERBOSE("[" << getId() << "] NewMinSize=" << tmpSize);
-			EWOL_VERBOSE("[" << getId() << "] {" << getObjectType() << "}     Get minSize="<< tmpSize);
-			if (m_mode == ewol::widget::Sizer::modeVert) {
-				m_minSize.setY(m_minSize.y() + tmpSize.y());
-				if (tmpSize.x()>m_minSize.x()) {
-					m_minSize.setX(tmpSize.x());
-				}
-			} else {
-				m_minSize.setX(m_minSize.x() + tmpSize.x());
-				if (tmpSize.y()>m_minSize.y()) {
-					m_minSize.setY(tmpSize.y());
-				}
+		} else {
+			m_minSize.setX(m_minSize.x() + tmpSize.x());
+			if (tmpSize.y()>m_minSize.y()) {
+				m_minSize.setY(tmpSize.y());
 			}
 		}
 	}
@@ -167,6 +168,33 @@ void ewol::widget::Sizer::onRegenerateDisplay() {
 	m_draw.rectangleWidth(vec3(m_size.x()-tmpBorderSize.x()*2.0f, tmpBorderSize.y(),0) );
 	m_draw.setPos(vec3(tmpBorderSize.x(), m_size.y()-tmpBorderSize.y(), 0) );
 	m_draw.rectangleWidth(vec3(m_size.x()-tmpBorderSize.x()*2.0f, tmpBorderSize.y(),0) );
+	for (auto &it : m_subWidget) {
+		if (it == nullptr) {
+			continue;
+		}
+		vec2 deltaOrigin = it->getOrigin() - (m_origin );
+		vec2 size = it->getSize();
+		// now we display around the widget every element needed
+		if (m_mode == ewol::widget::Sizer::modeHori) {
+			// under
+			
+			// upper
+			if (size.y() < m_size.y()-tmpBorderSize.y()*2.0f) {
+				m_draw.setColor(etk::color::orange);
+				m_draw.setPos(deltaOrigin + vec2(0, it->getSize().y()) );
+				m_draw.rectangleWidth(vec2(it->getSize().x(), m_size.y()-tmpBorderSize.y()*2.0f-it->getSize().y()) );
+			}
+		} else {
+			// left
+			
+			// right
+			if (size.x() < m_size.x()-tmpBorderSize.x()*2.0f) {
+				m_draw.setColor(etk::color::orange);
+				m_draw.setPos(deltaOrigin + vec2(it->getSize().x(), 0) );
+				m_draw.rectangleWidth(vec2(m_size.x()-tmpBorderSize.x()*2.0f-it->getSize().x(), it->getSize().y()) );
+			}
+		}
+	}
 }
 void ewol::widget::Sizer::onDraw() {
 	m_draw.draw();
diff --git a/tools/visual_test/appl/MainWindows.cpp b/tools/visual_test/appl/MainWindows.cpp
index d748392b..902242d3 100644
--- a/tools/visual_test/appl/MainWindows.cpp
+++ b/tools/visual_test/appl/MainWindows.cpp
@@ -61,105 +61,6 @@ void appl::MainWindows::init() {
 	m_sizerDynamic = std::dynamic_pointer_cast<ewol::widget::Sizer>(m_composer->getSubObjectNamed("appl-dynamic-config"));
 	m_subWidget = std::dynamic_pointer_cast<ewol::Widget>(m_composer->getSubObjectNamed("[TEST]TO-TEST"));
 	m_testName = std::dynamic_pointer_cast<ewol::widget::Label>(m_composer->getSubObjectNamed("appl-label-test"));
-	
-	/*
-	std::shared_ptr<ewol::widget::Sizer> mySizerHori;
-	std::shared_ptr<ewol::widget::Sizer> mySizerVert;
-	std::shared_ptr<ewol::widget::Button> myButton;
-	
-	mySizerVert = ewol::widget::Sizer::create(ewol::widget::Sizer::modeVert);
-	if (mySizerVert == nullptr) {
-		APPL_ERROR("Allocation error mySizerVert");
-		return;
-	}
-	setSubWidget(mySizerVert);
-		
-		mySizerHori = ewol::widget::Sizer::create(ewol::widget::Sizer::modeHori);
-		if (mySizerHori == nullptr) {
-			APPL_ERROR("Allocation error mySizerHori");
-			return;
-		}
-		mySizerVert->subWidgetAdd(mySizerHori);
-			myButton = ewol::widget::Button::create();
-			if (myButton != nullptr) {
-				myButton->setSubWidget(ewol::widget::Label::create("default theme (cube)"));
-				myButton->setSubWidgetToggle(ewol::widget::Label::create("rounded theme"));
-				myButton->setToggleMode(true);
-				myButton->signalValue.bind(shared_from_this(), &appl::MainWindows::onCallbackThemeChange);
-				mySizerHori->subWidgetAdd(myButton);
-			}
-			myButton = ewol::widget::Button::create();
-			if (myButton != nullptr) {
-				myButton->setSubWidget(ewol::widget::Label::create("Previous Widget test"));
-				myButton->signalPressed.bind(shared_from_this(), &appl::MainWindows::onCallbackWidgetChange, -1);
-				mySizerHori->subWidgetAdd(myButton);
-			}
-			myButton = ewol::widget::Button::create();
-			if (myButton != nullptr) {
-				myButton->setSubWidget(ewol::widget::Label::create("Next Widget test"));
-				myButton->signalPressed.bind(shared_from_this(), &appl::MainWindows::onCallbackWidgetChange, 1);
-				mySizerHori->subWidgetAdd(myButton);
-			}
-			m_testName = ewol::widget::Label::create("none");
-			if (m_testName != nullptr) {
-				mySizerHori->subWidgetAdd(m_testName);
-			}
-		std::shared_ptr<ewol::widget::Spacer> mySpacer = ewol::widget::Spacer::create();
-		if (mySpacer != nullptr) {
-			mySpacer->setExpand(bvec2(false,false));
-			mySpacer->setFill(bvec2(true,false));
-			mySpacer->setMinSize(vec2(3,3));
-			mySpacer->setColor(0x000000FF);
-			mySizerVert->subWidgetAdd(mySpacer);
-		}
-		mySizerHori = ewol::widget::Sizer::create(ewol::widget::Sizer::modeHori);
-		if (mySizerHori == nullptr) {
-			APPL_ERROR("Allocation error mySizerVert");
-			return;
-		}
-		mySizerHori->setExpand(bvec2(true,true));
-		mySizerHori->setFill(bvec2(true,true));
-		mySizerHori->lockExpand(bvec2(true,true));
-		mySizerVert->subWidgetAdd(mySizerHori);
-			
-	      + "	<sizer mode='hori'>\n"
-	      + "		<spacer expand='false,false' fill='true,false' min-size='10,10px' color='#F008'/>\n"
-	      + "		<sizer mode='vert'>\n"
-	      + "			<spacer expand='false,false' fill='false,true' min-size='10,10px' color='#FF08'/>\n"
-	      + "			<ButtonColor name='[TEST]TO-TEST' expand='false,false' fill='false,false' />\n"
-	      + "			<spacer expand='false,false' fill='false,true' min-size='10,10px' color='#0FF8'/>\n"
-	      + "		</sizer>\n"
-	      + "		<spacer expand='false,false' fill='true,false' min-size='10,10px' color='#0F08'/>\n"
-	      + "	</sizer>\n"
-			
-			m_sizerDynamic = ewol::widget::Sizer::create(ewol::widget::Sizer::modeVert);
-			if (m_sizerDynamic == nullptr) {
-				APPL_ERROR("Allocation error mySizerHori");
-				return;
-			}
-			m_sizerDynamic->setExpand(bvec2(false,true));
-			m_sizerDynamic->setFill(bvec2(true,true));
-			m_sizerDynamic->setMinSize(gale::Dimension::Dimension(vec2(12,0), gale::Dimension::Pourcent));
-			m_sizerDynamic->lockExpand(bvec2(true,true));
-			mySizerHori->subWidgetAdd(m_sizerDynamic);
-			mySpacer = ewol::widget::Spacer::create();
-			if (mySpacer == nullptr) {
-				APPL_ERROR("Allocation error mySizerHori");
-				return;
-			}
-			mySpacer->setExpand(bvec2(false,true));
-			mySpacer->setFill(bvec2(false,true));
-			mySpacer->setMinSize(vec2(3,3));
-			mySpacer->setColor(0x000000FF);
-			mySizerHori->subWidgetAdd(mySpacer);
-			
-			m_sizerVert = ewol::widget::Sizer::create(ewol::widget::Sizer::modeVert);
-			if (m_sizerVert == nullptr) {
-				APPL_ERROR("Allocation error mySizerVert");
-				return;
-			}
-			mySizerHori->subWidgetAdd(m_sizerVert);
-	*/
 }
 
 void appl::MainWindows::onCallbackThemeChange(const bool& _value) {
@@ -315,19 +216,16 @@ void appl::MainWindows::updateProperty() {
 				//type = "bvec2";
 				std::shared_ptr<ewol::widget::CheckBox> widgetTmp = ewol::widget::CheckBox::create();
 				widgetSizer->subWidgetAdd(widgetTmp);
+				ewol::parameter::Parameter* param = m_subWidget->getParameterRaw(iii);
+				ewol::parameter::Value<bvec2>* paramValue = dynamic_cast<ewol::parameter::Value<bvec2>*>(param);
+				if (paramValue == nullptr) {
+					APPL_ERROR("nullptr... 2 ");
+					return;
+				}
+				bvec2 value = paramValue->get();
+				widgetTmp->setValue(value.x());
 				widgetTmp->signalValue.connect([=](const bool& _value) {
-						if (m_subWidget == nullptr) {
-							APPL_ERROR("nullptr...");
-							return;
-						}
 						APPL_INFO("set parameter : X name=" << param->getName() << " value=" << _value);
-						ewol::parameter::Parameter* param = m_subWidget->getParameterRaw(iii);
-						ewol::parameter::Value<bvec2>* paramValue = dynamic_cast<ewol::parameter::Value<bvec2>*>(param);
-						if (paramValue == nullptr) {
-							APPL_ERROR("nullptr... 2 ");
-							return;
-						}
-						std::string lastValue = m_subWidget->parameterGet(param->getName());
 						bvec2 lastValueInterpreted = paramValue->get();
 						lastValueInterpreted.setX(_value);
 						paramValue->set(lastValueInterpreted);
@@ -338,19 +236,9 @@ void appl::MainWindows::updateProperty() {
 				
 				widgetTmp = ewol::widget::CheckBox::create();
 				widgetSizer->subWidgetAdd(widgetTmp);
+				widgetTmp->setValue(value.y());
 				widgetTmp->signalValue.connect([=](const bool& _value) {
-						if (m_subWidget == nullptr) {
-							APPL_ERROR("nullptr...");
-							return;
-						}
 						APPL_INFO("set parameter : Y name=" << param->getName() << " value=" << _value);
-						ewol::parameter::Parameter* param = m_subWidget->getParameterRaw(iii);
-						ewol::parameter::Value<bvec2>* paramValue = dynamic_cast<ewol::parameter::Value<bvec2>*>(param);
-						if (paramValue == nullptr) {
-							APPL_ERROR("nullptr... 2 ");
-							return;
-						}
-						std::string lastValue = m_subWidget->parameterGet(param->getName());
 						bvec2 lastValueInterpreted = paramValue->get();
 						lastValueInterpreted.setY(_value);
 						paramValue->set(lastValueInterpreted);
diff --git a/tools/visual_test/data/gui.xml b/tools/visual_test/data/gui.xml
index 9217b333..41b8e1f3 100644
--- a/tools/visual_test/data/gui.xml
+++ b/tools/visual_test/data/gui.xml
@@ -42,17 +42,9 @@
 			       expand="true,true"
 			       fill="true,true"
 			       border="10px"
-			       border-color="#F008">
-				<sizer mode="hori">
-					<spacer expand="false,false" fill="true" min-size="10,10px" color="#F008"/>
-					<sizer mode="vert"
-					       name="appl-upper-test-widget">
-						<spacer expand="false,false" fill="true" min-size="10,10px" color="#FF08"/>
-						<label name="[TEST]TO-TEST" expand="true" fill="true">No widget</label>
-						<spacer expand='false,false' fill='true' min-size='10,10px' color="#0FF8"/>
-					</sizer>
-					<spacer expand="false,false" fill="true" min-size="10,10px" color="#0F08"/>
-				</sizer>
+			       border-color="#F008"
+			       name="appl-upper-test-widget">
+				<label name="[TEST]TO-TEST" expand="true" fill="true">No widget</label>
 			</sizer>
 		</sizer>
 	</sizer>