diff --git a/code/nel/include/nel/misc/string_common.h b/code/nel/include/nel/misc/string_common.h
index b7adecf0f..4a455247d 100644
--- a/code/nel/include/nel/misc/string_common.h
+++ b/code/nel/include/nel/misc/string_common.h
@@ -237,7 +237,33 @@ inline bool fromString(const std::string &str, uint64 &val) { bool ret = sscanf(
 inline bool fromString(const std::string &str, sint64 &val) { bool ret = sscanf(str.c_str(), "%"NL_I64"d", &val) == 1; if (!ret) val = 0; return ret; }
 inline bool fromString(const std::string &str, float &val) { bool ret = sscanf(str.c_str(), "%f", &val) == 1; if (!ret) val = 0.0f; return ret; }
 inline bool fromString(const std::string &str, double &val) { bool ret = sscanf(str.c_str(), "%lf", &val) == 1; if (!ret) val = 0.0; return ret; }
-inline bool fromString(const std::string &str, bool &val) { val = (str.length() == 1) && str[0] != '0'; return (str.length() == 1) && (str[0] == '0' || str[0] == '1'); }
+
+inline bool fromString(const std::string &str, bool &val)
+{
+	if( str.length() == 1 )
+	{
+		if( str[ 0 ] == '1' )
+			val = true;
+		else
+		if( str[ 0 ] == '0' )
+			val = false;
+		else
+			return false;
+	}
+	else
+	{
+		if( str == "true" )
+			val = true;
+		else
+		if( str == "false" )
+			val = false;
+		else
+			return false;
+	}
+
+	return true;
+}
+
 inline bool fromString(const std::string &str, std::string &val) { val = str; return true; }
 
 // stl vectors of bool use bit reference and not real bools, so define the operator for bit reference
diff --git a/code/nel/src/gui/interface_element.cpp b/code/nel/src/gui/interface_element.cpp
index 51dbf392f..8660ce080 100644
--- a/code/nel/src/gui/interface_element.cpp
+++ b/code/nel/src/gui/interface_element.cpp
@@ -166,6 +166,7 @@ namespace NLGUI
 		if( name == "id" )
 		{
 			setIdRecurse( stripId( value ) );
+			return;
 		}
 		else
 		if( name == "active" )
@@ -173,6 +174,7 @@ namespace NLGUI
 			bool b;
 			if( fromString( value, b ) )
 				setActive( b );
+			return;
 		}
 		else
 		if( name == "x" )
@@ -180,6 +182,7 @@ namespace NLGUI
 			sint32 x;
 			if( fromString( value, x ) )
 				setX( x );
+			return;
 		}
 		else
 		if( name == "y" )
@@ -187,6 +190,7 @@ namespace NLGUI
 			sint32 y;
 			if( fromString( value, y ) )
 				setY( y );
+			return;
 		}
 		else
 		if( name == "w" )
@@ -194,6 +198,7 @@ namespace NLGUI
 			sint32 w;
 			if( fromString( value, w ) )
 				setW( w );
+			return;
 		}
 		else
 		if( name == "h" )
@@ -201,25 +206,30 @@ namespace NLGUI
 			sint32 h;
 			if( fromString( value, h ) )
 				setH( h );
+			return;
 		}
 		else
 		if( name == "posref" )
 		{
 			convertHotSpotCouple( value.c_str(), _ParentPosRef, _PosRef );
+			return;
 		}
 		else
 		if( name == "sizeref" )
 		{
 			parseSizeRef( value.c_str() );
+			return;
 		}
 		if( name == "posparent" )
 		{
 			setPosParent( value );
+			return;
 		}
 		else
 		if( name == "sizeparent" )
 		{
 			setSizeParent( value );
+			return;
 		}
 		else
 		if( name == "global_color" )
@@ -227,6 +237,7 @@ namespace NLGUI
 			bool b;
 			if( fromString( value, b ) )
 				setModulateGlobalColor( b );
+			return;
 		}
 		else
 		if( name == "render_layer" )
@@ -234,6 +245,7 @@ namespace NLGUI
 			sint8 l;
 			if( fromString( value, l ) )
 				setRenderLayer( l );
+			return;
 		}
 		else
 		if( name == "avoid_resize_parent" )
@@ -241,6 +253,7 @@ namespace NLGUI
 			bool b;
 			if( fromString( value, b ) )
 				setAvoidResizeParent( b );
+			return;
 		}
 		else
 			nlwarning( "Tried to set invalid property '%s' for widget '%s'", name.c_str(), _Id.c_str() );
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/gui_editor/property_browser_ctrl.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/gui_editor/property_browser_ctrl.cpp
index 4d4ed02f3..223837a9b 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/gui_editor/property_browser_ctrl.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/gui_editor/property_browser_ctrl.cpp
@@ -58,12 +58,17 @@ namespace GUIEditor
 	{
 		if( browser == NULL )
 			return;
+		disconnect( propertyMgr, SIGNAL( propertyChanged( QtProperty* ) ),
+			this, SLOT( onPropertyChanged( QtProperty* ) ) );
+
 		browser->clear();
 
 		CInterfaceElement *e = CWidgetManager::getInstance()->getElementFromId( id );
 		if( e == NULL )
 			return;
 
+		currentElement = id;
+
 		std::string n;
 		n = typeid( *e ).name();
 		std::string::size_type i = n.find_last_of( ':' );
@@ -71,6 +76,27 @@ namespace GUIEditor
 			n = n.substr( i + 1, n.size() - 1 );
 
 		setupProperties( n, e );
+		connect( propertyMgr, SIGNAL( propertyChanged( QtProperty* ) ),
+			this, SLOT( onPropertyChanged( QtProperty* ) ) );
+	}
+
+	void CPropBrowserCtrl::onPropertyChanged( QtProperty *prop )
+	{
+		QString propName = prop->propertyName();
+		QString propValue = prop->valueText();
+
+		// for some reason booleans cannot be extracted from a QtProperty :(
+		if( propValue.isEmpty() )
+		{
+			QtVariantProperty *p = propertyMgr->variantProperty( prop );
+			if( p != NULL )
+				propValue = p->value().toString();
+		}
+
+		CInterfaceElement *e = CWidgetManager::getInstance()->getElementFromId( currentElement );
+		if( e == NULL )
+			return;
+		e->setProperty( propName.toStdString(), propValue.toStdString() );
 	}
 
 	void CPropBrowserCtrl::setupProperties( const std::string &type, const CInterfaceElement *element )
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/gui_editor/property_browser_ctrl.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/gui_editor/property_browser_ctrl.h
index 90b719138..5e4747cdc 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/gui_editor/property_browser_ctrl.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/gui_editor/property_browser_ctrl.h
@@ -25,6 +25,7 @@
 
 class QtTreePropertyBrowser;
 class QtVariantPropertyManager;
+class QtProperty;
 
 namespace NLGUI
 {
@@ -49,6 +50,9 @@ namespace GUIEditor
 	public Q_SLOTS:
 		void onSelectionChanged( std::string &id );
 
+	private Q_SLOTS:
+		void onPropertyChanged( QtProperty *prop );
+
 	private:
 		void setupProperties( const std::string &type, const NLGUI::CInterfaceElement *element );
 		void setupProperty( const SPropEntry &prop, const NLGUI::CInterfaceElement *element );
@@ -56,6 +60,8 @@ namespace GUIEditor
 		QtTreePropertyBrowser *browser;
 		QtVariantPropertyManager *propertyMgr;
 		std::map< std::string, SWidgetInfo > widgetInfo;
+
+		std::string currentElement;
 	};
 
 }