Added Application class.

And some more work on styling.

Perspex/Application.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Perspex
+{
+    public class Application
+    {
+        private Styles styles;
+
+        public Application()
+        {
+            Current = this;
+        }
+
+        public static Application Current
+        {
+            get;
+            private set;
+        }
+
+        public Styles Styles
+        {
+            get
+            {
+                if (this.styles == null)
+                {
+                    this.styles = new Styles();
+                }
+
+                return this.styles;
+            }
+
+            set
+            {
+                this.styles = value;
+            }
+        }
+    }
+}

Perspex/Controls/Control.cs

@@ -36,7 +36,7 @@ namespace Perspex.Controls
             new ReadOnlyPerspexProperty<Control>(ParentPropertyRW);
 
         public static readonly PerspexProperty<Brush> BackgroundProperty =
-            PerspexProperty.Register<Control, Brush>("Background");
+            PerspexProperty.Register<Control, Brush>("Background", inherits: true);
 
         public static readonly PerspexProperty<Brush> BorderBrushProperty =
             PerspexProperty.Register<Control, Brush>("BorderBrush");
@@ -44,18 +44,21 @@ namespace Perspex.Controls
         public static readonly PerspexProperty<double> BorderThicknessProperty =
             PerspexProperty.Register<Control, double>("BorderThickness");
 
+        public static readonly PerspexProperty<Brush> ForegroundProperty =
+            PerspexProperty.Register<Control, Brush>("Foreground", new SolidColorBrush(0xff000000), true);
+
         public static readonly PerspexProperty<bool> IsMouseOverProperty =
             PerspexProperty.Register<Visual, bool>("IsMouseOver");
 
         public static readonly PerspexProperty<HorizontalAlignment> HorizontalAlignmentProperty =
             PerspexProperty.Register<Control, HorizontalAlignment>("HorizontalAlignment");
 
-        public static readonly PerspexProperty<VerticalAlignment> VerticalAlignmentProperty =
-            PerspexProperty.Register<Control, VerticalAlignment>("VerticalAlignment");
-
         public static readonly PerspexProperty<Thickness> MarginProperty =
             PerspexProperty.Register<Control, Thickness>("Margin");
 
+        public static readonly PerspexProperty<VerticalAlignment> VerticalAlignmentProperty =
+            PerspexProperty.Register<Control, VerticalAlignment>("VerticalAlignment");
+
         internal static readonly PerspexProperty<Control> ParentPropertyRW =
             PerspexProperty.Register<Control, Control>("Parent");
 
@@ -106,22 +109,10 @@ namespace Perspex.Controls
             private set;
         }
 
-        public Styles Styles
+        public Brush Foreground
         {
-            get 
-            { 
-                if (this.styles == null)
-                {
-                    this.styles = new Styles();
-                }
-
-                return this.styles; 
-            }
-            
-            set
-            {
-                this.styles = value;
-            }
+            get { return this.GetValue(ForegroundProperty); }
+            set { this.SetValue(ForegroundProperty, value); }
         }
 
         public Size? DesiredSize
@@ -142,12 +133,6 @@ namespace Perspex.Controls
             set { this.SetValue(HorizontalAlignmentProperty, value); }
         }
 
-        public VerticalAlignment VerticalAlignment
-        {
-            get { return this.GetValue(VerticalAlignmentProperty); }
-            set { this.SetValue(VerticalAlignmentProperty, value); }
-        }
-
         public Thickness Margin
         {
             get { return this.GetValue(MarginProperty); }
@@ -160,6 +145,30 @@ namespace Perspex.Controls
             internal set { this.SetValue(ParentPropertyRW, value); }
         }
 
+        public Styles Styles
+        {
+            get
+            {
+                if (this.styles == null)
+                {
+                    this.styles = new Styles();
+                }
+
+                return this.styles;
+            }
+
+            set
+            {
+                this.styles = value;
+            }
+        }
+
+        public VerticalAlignment VerticalAlignment
+        {
+            get { return this.GetValue(VerticalAlignmentProperty); }
+            set { this.SetValue(VerticalAlignmentProperty, value); }
+        }
+
         public ILayoutRoot GetLayoutRoot()
         {
             Control c = this;
@@ -214,18 +223,15 @@ namespace Perspex.Controls
 
         private void AttachStyles(Control control)
         {
-            Contract.Requires<ArgumentNullException>(control != null);
-
-            Control parent = control.Parent;
-
-            if (parent != null)
+            if (control != null)
             {
+                Control parent = control.Parent;
                 this.AttachStyles(parent);
+                control.Styles.Attach(this);
             }
-
-            foreach (Style style in control.Styles)
+            else
             {
-                style.Attach(this);
+                Application.Current.Styles.Attach(this);
             }
         }
 

Perspex/Controls/TextBlock.cs

@@ -15,12 +15,6 @@ namespace Perspex.Controls
                 "FontSize",
                 inherits: true);
 
-        public static readonly PerspexProperty<Brush> ForegroundProperty =
-            PerspexProperty.Register<TextBlock, Brush>(
-                "Foreground",
-                defaultValue: new SolidColorBrush(0xff000000),
-                inherits: true);
-
         public static readonly PerspexProperty<string> TextProperty =
             PerspexProperty.Register<Border, string>("Text");
 
@@ -30,12 +24,6 @@ namespace Perspex.Controls
             set { this.SetValue(FontSizeProperty, value); }
         }
 
-        public Brush Foreground
-        {
-            get { return this.GetValue(ForegroundProperty); }
-            set { this.SetValue(ForegroundProperty, value); }
-        }
-
         public string Text
         {
             get { return this.GetValue(TextProperty); }

Perspex/Perspex.csproj

@@ -68,6 +68,7 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Compile Include="Application.cs" />
     <Compile Include="Controls\Border.cs" />
     <Compile Include="Controls\Button.cs" />
     <Compile Include="Controls\ContentPresenter.cs" />

Perspex/Setter.cs

@@ -16,6 +16,16 @@ namespace Perspex
     {
         private object oldValue;
 
+        public Setter()
+        {
+        }
+
+        public Setter(PerspexProperty property, object value)
+        {
+            this.Property = property;
+            this.Value = value;
+        }
+
         public PerspexProperty Property
         {
             get;

Perspex/Style.cs

@@ -15,13 +15,17 @@ namespace Perspex
 
     public class Style
     {
-        private bool applied;
-
         public Style()
         {
             this.Setters = new List<Setter>();
         }
 
+        public Style(Func<Control, Match> selector)
+            : this()
+        {
+            this.Selector = selector;
+        }
+
         public Func<Control, Match> Selector
         {
             get;

Perspex/Styles.cs

@@ -1,12 +1,21 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+// -----------------------------------------------------------------------
+// <copyright file="Styles.cs" company="Steven Kirk">
+// Copyright 2014 MIT Licence. See licence.md for more information.
+// </copyright>
+// -----------------------------------------------------------------------
 
 namespace Perspex
 {
+    using Perspex.Controls;
+
     public class Styles : PerspexList<Style>
     {
+        public void Attach(Control control)
+        {
+            foreach (Style style in this)
+            {
+                style.Attach(control);
+            }
+        }
     }
 }

TestApplication/Program.cs

@@ -20,29 +20,38 @@ namespace TestApplication
         {
             ServiceLocator.Register<ITextService>(() => new TextService(new SharpDX.DirectWrite.Factory()));
 
-            Window window = new Window
+            Application application = new Application
             {
-                Styles = new Styles
+                Styles = new Styles 
                 {
-                    new Style
+                    new Style(x => x.Select<Button>())
+                    {
+                        Setters = new[]
+                        {
+                            new Setter(Button.BackgroundProperty, new SolidColorBrush(0xffdddddd)),
+                            new Setter(Button.BorderBrushProperty, new SolidColorBrush(0xff707070)),
+                            new Setter(Button.BorderThicknessProperty, 1),
+                            new Setter(Button.ForegroundProperty, new SolidColorBrush(0xff000000)),
+                        },
+                    },
+                    new Style(x => x.Select<Button>().Class(":mouseover"))
                     {
-                        Selector = x => x.Select<Button>().Class(":mouseover"),
                         Setters = new[]
                         {
-                            new Setter 
-                            { 
-                                Property = Button.BackgroundProperty, 
-                                Value = new SolidColorBrush(0xffff8080),
-                            }
+                            new Setter (Button.BackgroundProperty, new SolidColorBrush(0xffbee6fd)),
+                            new Setter (Button.BorderBrushProperty, new SolidColorBrush(0xff3c7fb1)),
                         },
                     }
-                },
+                }
+            };
+
+            Window window = new Window
+            {
                 Content = new Button
                 {
                     Content = "Hello World",
                     HorizontalAlignment = HorizontalAlignment.Center,
                     VerticalAlignment = VerticalAlignment.Center,
-                    Background = new SolidColorBrush(0xff808080),
                     BorderThickness = 2,
                     BorderBrush = new SolidColorBrush(0xff000000),
                 },