diff --git a/code/nel/tools/3d/object_viewer_qt/src/color_edit_widget.cpp b/code/nel/tools/3d/object_viewer_qt/src/color_edit_widget.cpp
index a32732133..65d9db58d 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/color_edit_widget.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/color_edit_widget.cpp
@@ -32,9 +32,9 @@ namespace NLQT
 {
 
 CColorEditWidget::CColorEditWidget(QWidget *parent)
-	: QWidget(parent), 
-	_Wrapper(NULL), 
-	_emit(true)
+	: QWidget(parent),
+	  _Wrapper(NULL),
+	  _emit(true)
 {
 	_ui.setupUi(this);
 
@@ -86,9 +86,9 @@ void CColorEditWidget::updateUi()
 void CColorEditWidget::setRed(int r)
 {
 	if (_emit)
-		Q_EMIT colorChanged(NLMISC::CRGBA(r, _ui.gSpinBox->value(), 
-											_ui.bSpinBox->value(), 
-											_ui.aSpinBox->value()));
+		Q_EMIT colorChanged(NLMISC::CRGBA(r, _ui.gSpinBox->value(),
+										  _ui.bSpinBox->value(),
+										  _ui.aSpinBox->value()));
 
 	_ui.graphicsWidget->repaint();
 	if (_Wrapper == NULL)
@@ -107,10 +107,10 @@ void CColorEditWidget::setRed(int r)
 void CColorEditWidget::setGreen(int g)
 {
 	if (_emit)
-		Q_EMIT colorChanged(NLMISC::CRGBA(_ui.rSpinBox->value(), 
-										g, 
-										_ui.bSpinBox->value(), 
-										_ui.aSpinBox->value()));
+		Q_EMIT colorChanged(NLMISC::CRGBA(_ui.rSpinBox->value(),
+										  g,
+										  _ui.bSpinBox->value(),
+										  _ui.aSpinBox->value()));
 	_ui.graphicsWidget->repaint();
 	if (_Wrapper == NULL) return;
 
@@ -126,10 +126,10 @@ void CColorEditWidget::setGreen(int g)
 void CColorEditWidget::setBlue(int b)
 {
 	if (_emit)
-		Q_EMIT colorChanged(NLMISC::CRGBA(_ui.rSpinBox->value(), 
-											_ui.gSpinBox->value(), 
-											b, 
-											_ui.aSpinBox->value()));
+		Q_EMIT colorChanged(NLMISC::CRGBA(_ui.rSpinBox->value(),
+										  _ui.gSpinBox->value(),
+										  b,
+										  _ui.aSpinBox->value()));
 	_ui.graphicsWidget->repaint();
 	if (_Wrapper == NULL) return;
 
@@ -145,10 +145,10 @@ void CColorEditWidget::setBlue(int b)
 void CColorEditWidget::setAlpha(int a)
 {
 	if (_emit)
-		Q_EMIT colorChanged(NLMISC::CRGBA(_ui.rSpinBox->value(), 
-										_ui.gSpinBox->value(), 
-										_ui.bSpinBox->value(), 
-										a));
+		Q_EMIT colorChanged(NLMISC::CRGBA(_ui.rSpinBox->value(),
+										  _ui.gSpinBox->value(),
+										  _ui.bSpinBox->value(),
+										  a));
 	_ui.graphicsWidget->repaint();
 
 	if (_Wrapper == NULL) return;
@@ -174,20 +174,20 @@ void CColorEditWidget::browseColor()
 }
 
 bool CColorEditWidget::eventFilter(QObject *object, QEvent *event)
-{
-	if( event->type() == QEvent::Paint )
-	{
-		_color = QColor(_ui.rSpinBox->value(), 
-						_ui.gSpinBox->value(), 
-						_ui.bSpinBox->value(), 
-						_ui.aSpinBox->value());
-
+{
+	if( event->type() == QEvent::Paint )
+	{
+		_color = QColor(_ui.rSpinBox->value(),
+						_ui.gSpinBox->value(),
+						_ui.bSpinBox->value(),
+						_ui.aSpinBox->value());
+
 		QPainter painter(_ui.graphicsWidget);
 		painter.setRenderHint(QPainter::Antialiasing, true);
 		painter.setBrush(QBrush(_color));
 		painter.setPen(QPen(Qt::black, 2, Qt::SolidLine));
-		painter.drawRoundedRect(QRect(3, 3, _ui.graphicsWidget->width() - 6, _ui.graphicsWidget->height() - 6), 3.0, 3.0);
-	}
+		painter.drawRoundedRect(QRect(3, 3, _ui.graphicsWidget->width() - 6, _ui.graphicsWidget->height() - 6), 3.0, 3.0);
+	}
 	return QWidget::eventFilter(object, event);
 }
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/direction_widget.cpp b/code/nel/tools/3d/object_viewer_qt/src/direction_widget.cpp
index 65ae44140..2bef5e9b5 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/direction_widget.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/direction_widget.cpp
@@ -183,17 +183,17 @@ void CDirectionWidget::setNewVecYZ(float x, float y)
 }
 
 bool CDirectionWidget::eventFilter(QObject *object, QEvent *event)
-{
-	QWidget *widget = qobject_cast<QWidget *>(object);
-	switch (event->type())
-	{
-	case QEvent::Paint:
-	{
-		float x; 
-		if (widget->objectName() == "XZ")
-			x = _value.x;
-		else
-			x = _value.y;
+{
+	QWidget *widget = qobject_cast<QWidget *>(object);
+	switch (event->type())
+	{
+	case QEvent::Paint:
+	{
+		float x;
+		if (widget->objectName() == "XZ")
+			x = _value.x;
+		else
+			x = _value.y;
 		QPainter painter(widget);
 		painter.setRenderHint(QPainter::Antialiasing, true);
 		painter.setBrush(QBrush(Qt::white));
@@ -205,23 +205,23 @@ bool CDirectionWidget::eventFilter(QObject *object, QEvent *event)
 		painter.drawText( 10, 15, widget->objectName());
 		painter.setPen(QPen(Qt::red, 2, Qt::SolidLine));
 		painter.drawLine(widget->width() / 2, widget->height() / 2,
-			int((widget->width() / 2) + x * 0.9f * directionSize), int((widget->height() / 2) - _value.z * 0.9f * directionSize));
-		break;
-	}
-	case QEvent::MouseButtonDblClick:
-	{
-		QMouseEvent *mouseEvent = (QMouseEvent *) event;
+						 int((widget->width() / 2) + x * 0.9f * directionSize), int((widget->height() / 2) - _value.z * 0.9f * directionSize));
+		break;
+	}
+	case QEvent::MouseButtonDblClick:
+	{
+		QMouseEvent *mouseEvent = (QMouseEvent *) event;
 		float vx = (mouseEvent->x() - (widget->width() / 2)) / 0.9f;
-		float vy = ((widget->height() / 2) - mouseEvent->y()) / 0.9f;
-
-		if (widget->objectName() == "XZ")
-			setNewVecXZ(vx, vy);
-		else
-			setNewVecYZ(vx, vy);
-
-		break;
-	}
-	}
+		float vy = ((widget->height() / 2) - mouseEvent->y()) / 0.9f;
+
+		if (widget->objectName() == "XZ")
+			setNewVecXZ(vx, vy);
+		else
+			setNewVecYZ(vx, vy);
+
+		break;
+	}
+	}
 	return QWidget::eventFilter(object, event);
 }
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.cpp b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.cpp
index c65d4f6f3..3906aafc5 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.cpp
@@ -33,11 +33,19 @@
 namespace ExtensionSystem
 {
 
-CPluginSpec::CPluginSpec():
-	_state(State::Invalid),
-	_hasError(false),
-	_plugin(NULL),
-	_pluginManager(NULL)
+CPluginSpec::CPluginSpec()
+	: _location(""),
+	  _filePath(""),
+	  _fileName(""),
+	  _name(""),
+	  _version(""),
+	  _vendor(""),
+	  _description(""),
+	  _state(State::Invalid),
+	  _hasError(false),
+	  _errorString(""),
+	  _plugin(0),
+	  _pluginManager(0)
 {
 }
 
@@ -98,16 +106,6 @@ QString CPluginSpec::errorString() const
 
 bool CPluginSpec::setFileName(const QString &fileName)
 {
-	_name = _version
-		= _vendor
-		= _description
-		= _location
-		= _filePath
-		= _fileName
-		= "";
-	_state = State::Invalid;
-	_hasError = false;
-	_errorString = "";
 	QFile file(fileName);
 	if (!file.exists())
 		return reportError(QCoreApplication::translate("CPluginSpec", "File does not exist: %1").arg(file.fileName()));
@@ -133,7 +131,7 @@ bool CPluginSpec::loadLibrary()
 			return true;
 		return reportError(QCoreApplication::translate("CPluginSpec", "Loading the library failed because state != Resolved"));
 	}
-	
+
 	QPluginLoader loader(_filePath);
 	if (!loader.load())
 		return reportError(loader.errorString());
@@ -209,7 +207,7 @@ void CPluginSpec::kill()
 	if (!_plugin)
 		return;
 	delete _plugin;
-	_plugin = NULL;
+	_plugin = 0;
 	_state = State::Deleted;
 }
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h
index 96cf21d30..26dae9934 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h
@@ -96,6 +96,7 @@ public:
 				break;
 			}
 		}
+		return result;
 	}
 
 protected: