* Crow.csproj, Default.style, button.svg, buttest.svg, buttest2.svg, buttest4.svg, 0.crow:

	  test and divers

	* DirectoryView.cs:
	  SelectedItem property

	* GraphicObject.cs:
	  Style class, EventInfo in styles

	* Group.cs:
	  lock children

	* Popper.cs:
	  alignment = top left, simple unpop on mouse leave, no additional tests

	* Spinner.cs:
	  ctor order

	* TabView.cs:
	  code clean

	* Window.cs:
	  movable

	* Style.cs, Interface.cs:
	  Style class

	* StyleReader.cs:
	  parser exception, debug expression parsing

	* Button.crow, Popper.goml, TabItem.crow, CheckBox.goml, Expandable.goml, MessageBox.goml, RadioButton.goml, ScrollingListBox.goml:
	  templating

	* TreeView.crow:
	  scrollbar

	* 1.crow:
	  showcase

	* test.style, Tests.csproj, CheckBox2.imlt:
	  tests

7 files changed, 67 insertions, 30 deletions

diff --git a/src/GraphicObjects/DirectoryView.cs b/src/GraphicObjects/DirectoryView.cs
index e9a9ef9b..ac53ee8b 100644
--- a/src/GraphicObjects/DirectoryView.cs
+++ b/src/GraphicObjects/DirectoryView.cs
@@ -41,6 +41,18 @@ namespace Crow
 		string _root = "/";
 		bool _showFiles;
 
+		object _selectedItem;
+		[XmlIgnore]public object SelectedItem {
+			get {
+				return _selectedItem;
+			}
+			set { 
+				if (value == _selectedItem)
+					return;
+				_selectedItem = value;
+				NotifyValueChanged ("SelectedItem", _selectedItem);
+			}
+		}
 		[XmlAttributeAttribute()][DefaultValue(true)]
 		public virtual bool ShowFiles {
 			get { return _showFiles; }
@@ -66,6 +78,7 @@ namespace Crow
 			get { return new DirectoryInfo (Root).GetFileSystemInfos (); }
 		}
 		public void onSelectedItemChanged (object sender, SelectionChangeEventArgs e){
+			SelectedItem = e.NewValue;
 			SelectedItemChanged.Raise (this, e);
 		}
 	}
diff --git a/src/GraphicObjects/GraphicObject.cs b/src/GraphicObjects/GraphicObject.cs
index 88166fe6..925f69df 100644
--- a/src/GraphicObjects/GraphicObject.cs
+++ b/src/GraphicObjects/GraphicObject.cs
@@ -538,7 +538,7 @@ namespace Crow
 				}
 			}
 
-			List<Dictionary<string, object>> styling = new List<Dictionary<string, object>>();
+			List<Style> styling = new List<Style>();
 
 			//Search for a style mathing :
 			//1: Full class name, with full namespace
@@ -587,7 +587,14 @@ namespace Crow
 			il.Emit (OpCodes.Ldarg_0);
 			il.Emit (OpCodes.Stloc_0);
 
-			foreach (PropertyInfo pi in thisType.GetProperties(BindingFlags.Public | BindingFlags.Instance)) {				
+			foreach (EventInfo ei in thisType.GetEvents(BindingFlags.Public | BindingFlags.Instance)) {
+				string expression;
+				if (!getDefaultEvent(ei, styling, out expression))
+					continue;
+				CompilerServices.emitBindingCreation (il, ei.Name, expression);
+			}
+
+			foreach (PropertyInfo pi in thisType.GetProperties(BindingFlags.Public | BindingFlags.Instance)) {
 				if (pi.GetSetMethod () == null)
 					continue;
 				object defaultValue;
@@ -606,7 +613,20 @@ namespace Crow
 				throw new Exception ("Error applying style <" + styleKey + ">:", ex);
 			}
 		}
-		bool getDefaultValue(PropertyInfo pi, List<Dictionary<string, object>> styling,
+		bool getDefaultEvent(EventInfo ei, List<Style> styling,
+			out string expression){
+			expression = "";
+			if (styling.Count > 0){
+				for (int i = 0; i < styling.Count; i++) {
+					if (styling[i].ContainsKey (ei.Name)){
+						expression = (string)styling[i] [ei.Name];
+						return true;
+					}
+				}
+			}
+			return false;
+		}
+		bool getDefaultValue(PropertyInfo pi, List<Style> styling,
 			out object defaultValue){
 			defaultValue = null;
 			string name = "";
diff --git a/src/GraphicObjects/Group.cs b/src/GraphicObjects/Group.cs
index 4c8d0537..e87ca41c 100644
--- a/src/GraphicObjects/Group.cs
+++ b/src/GraphicObjects/Group.cs
@@ -39,7 +39,8 @@ namespace Crow
             set { _multiSelect = value; }
         }
 		public virtual void AddChild(GraphicObject g){
-			Children.Add(g);
+			lock (children)
+				Children.Add(g);
 			g.Parent = this;
 			g.ResolveBindings ();
 			g.RegisteredLayoutings = LayoutingType.None;
@@ -51,7 +52,8 @@ namespace Crow
 			child.LayoutChanged -= OnChildLayoutChanges;
 			child.ClearBinding ();
 			//child.Parent = null;
-            Children.Remove(child);
+			lock (children)
+            	Children.Remove(child);
 
 			if (child == largestChild && Width == Measure.Fit)
 				searchLargestChild ();
@@ -241,9 +243,10 @@ namespace Crow
 			//clip to client zone
 			CairoHelpers.CairoRectangle (gr, ClientRectangle, CornerRadius);
 			gr.Clip ();
-
-			foreach (GraphicObject g in Children) {
-				g.Paint (ref gr);
+			lock (children) {
+				foreach (GraphicObject g in Children) {
+					g.Paint (ref gr);
+				}
 			}
 			gr.Restore ();
 		}
diff --git a/src/GraphicObjects/Popper.cs b/src/GraphicObjects/Popper.cs
index 0a013ae1..ea11435a 100644
--- a/src/GraphicObjects/Popper.cs
+++ b/src/GraphicObjects/Popper.cs
@@ -100,6 +100,8 @@ namespace Crow
 					return;
 
 				_content.LogicalParent = this;
+				_content.HorizontalAlignment = HorizontalAlignment.Left;
+				_content.VerticalAlignment = VerticalAlignment.Top;
 				_content.LayoutChanged += _content_LayoutChanged;
 				_content.MouseLeave += onMouseLeave;
 			}
@@ -187,14 +189,6 @@ namespace Crow
 		public override void onMouseLeave (object sender, MouseMoveEventArgs e)
 		{
 			base.onMouseLeave (sender, e);
-			if (MouseIsIn (e.Position))
-				return;
-			if (_content == null)
-				return;
-			try {
-				if (_content.MouseIsIn (e.Position))
-					return;
-			} catch {}
 			IsPopped = false;
 		}
 		#endregion
diff --git a/src/GraphicObjects/Spinner.cs b/src/GraphicObjects/Spinner.cs
index 1a8674d0..0806d4d3 100644
--- a/src/GraphicObjects/Spinner.cs
+++ b/src/GraphicObjects/Spinner.cs
@@ -25,14 +25,16 @@ namespace Crow
 	[DefaultTemplate("#Crow.Templates.Spinner.goml")]
 	public class Spinner : NumericControl
 	{
+		#region CTOR
+		public Spinner () : base()
+		{
+		}
 		public Spinner (double minimum, double maximum, double step) : 
 		base (minimum, maximum, step)
 		{
 
 		}
-		public Spinner () : base()
-		{
-		}
+		#endregion
 
 		void onUp (object sender, MouseButtonEventArgs e)
 		{
diff --git a/src/GraphicObjects/TabView.cs b/src/GraphicObjects/TabView.cs
index 015f5f4f..e140191b 100644
--- a/src/GraphicObjects/TabView.cs
+++ b/src/GraphicObjects/TabView.cs
@@ -39,6 +39,7 @@ namespace Crow
 		{
 		}
 
+		#region public properties
 		[XmlAttributeAttribute()][DefaultValue(Orientation.Horizontal)]
 		public virtual Orientation Orientation
 		{
@@ -54,7 +55,7 @@ namespace Crow
 					NotifyValueChanged ("TabOrientation", Orientation.Horizontal);
 			}
 		}
-		[XmlAttributeAttribute()][DefaultValue(2)]
+		[XmlAttributeAttribute()][DefaultValue(20)]
 		public int Spacing
 		{
 			get { return _spacing; }
@@ -81,7 +82,7 @@ namespace Crow
 				RegisterForRedraw ();
 			}
 		}
-		[XmlAttributeAttribute()][DefaultValue(22)]
+		[XmlAttributeAttribute()][DefaultValue("15")]
 		public virtual Measure TabThickness {
 			get { return tabThickness; }
 			set {
@@ -92,13 +93,7 @@ namespace Crow
 				RegisterForGraphicUpdate ();
 			}
 		}
-
-		//prevent caching, because drawing order is different depending on selected tab
-		[XmlAttributeAttribute()][DefaultValue(false)]
-		public override bool CacheEnabled {
-			get {return false;}
-			set { }
-		}
+		#endregion
 
 		public override void AddChild (GraphicObject child)
 		{
diff --git a/src/GraphicObjects/Window.cs b/src/GraphicObjects/Window.cs
index cbdbbb2c..be482e43 100644
--- a/src/GraphicObjects/Window.cs
+++ b/src/GraphicObjects/Window.cs
@@ -45,6 +45,7 @@ namespace Crow
 		string _title;
 		string _icon;
 		bool _resizable;
+		bool _movable;
 		bool hoverBorder = false;
 
 		Container _contentContainer;
@@ -100,7 +101,16 @@ namespace Crow
 				NotifyValueChanged ("Resizable", _resizable);
 			}
 		}
-
+		[XmlAttributeAttribute()][DefaultValue(true)]
+		public bool Movable {
+			get {
+				return _movable;
+			}
+			set {
+				_movable = value;
+				NotifyValueChanged ("Movable", _movable);
+			}
+		}
 		#region GraphicObject Overrides
 		public override void ResolveBindings ()
 		{
@@ -120,7 +130,7 @@ namespace Crow
 				return;
 			}
 
-			if (this.HasFocus) {
+			if (this.HasFocus && _movable) {
 				if (e.Mouse.IsButtonDown (MouseButton.Left)) {
 					int currentLeft = this.Left;
 					int currentTop = this.Top;