[Samples] Setup ApplicationOutput for catching events

Source/Samples/ApplicationOutput.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Diagnostics;
+using Gtk;
+
+namespace Samples
+{
+    static class ApplicationOutput
+    {
+        public static Widget Widget { get; set; }
+        private static ScrolledWindow _scrolledWindow;
+        private static TextView _textView;
+
+        static ApplicationOutput()
+        {
+            var vbox = new VBox();
+
+            var labelTitle = new Label();
+            labelTitle.Text = "Application Output:";
+            labelTitle.Margin = 4;
+            labelTitle.Xalign = 0f;
+            vbox.PackStart(labelTitle, false, true, 0);
+
+            _scrolledWindow = new ScrolledWindow();
+            _textView = new TextView();
+            _scrolledWindow.Child = _textView;
+            vbox.PackStart(_scrolledWindow, true, true, 0);
+
+            Widget = vbox;
+        }
+
+        public static void WriteLine(object o, string e)
+        {
+            WriteLine("[" + Environment.TickCount + "] " + o.GetType().ToString() + ": " + e);
+        }
+
+        public static void WriteLine(string line)
+        {
+            var enditer = _textView.Buffer.EndIter;
+            _textView.Buffer.Insert(ref enditer, line + Environment.NewLine);
+            _textView.ScrollToIter(enditer, 0, false, 0, 0);
+        }
+    }
+}

Source/Samples/MainWindow.cs

@@ -7,7 +7,6 @@ namespace Samples
     class MainWindow : Window
     {
         private HeaderBar _headerBar;
-        private HPaned _panned;
         private TreeView _treeView;
         private Box _boxContent;
         private TreeStore _store;
@@ -30,17 +29,24 @@ namespace Samples
 
             Titlebar = _headerBar;
 
-            _panned = new HPaned();
-            _panned.Position = 200;
+            var hpanned = new HPaned();
+            hpanned.Position = 200;
 
             _treeView = new TreeView();
             _treeView.HeadersVisible = false;
-            _panned.Pack1(_treeView, false, true);
+            hpanned.Pack1(_treeView, false, true);
+
+            var vpanned = new VPaned();
+            vpanned.Position = 400;
 
             _boxContent = new Box(Orientation.Vertical, 0);
-            _panned.Pack2(_boxContent, true, true);
+            vpanned.Pack1(_boxContent, true, true);
 
-            Child = _panned;
+            vpanned.Pack2(ApplicationOutput.Widget, false, true);
+
+            hpanned.Pack2(vpanned, true, true);
+
+            Child = hpanned;
 
             // Fill up data
             FillUpTreeView();

Source/Samples/Program.cs

@@ -6,7 +6,6 @@ namespace Samples
     class Program
     {
         public static Application App;
-
         public static Window Win;
 
         [STAThread]

Source/Samples/Sections/Widgets/ButtonCategory.cs

@@ -10,6 +10,8 @@ namespace Samples
         {
             var btn = new Button("Click Me");
             PackStart(btn, true, true, 0);
+
+            btn.Clicked += (sender, e) => ApplicationOutput.WriteLine(sender, "Clicked");
         }
     }
 }