Move some bugs to github issues, start of dialog

Core.cs

@@ -801,12 +801,14 @@ namespace Terminal {
 		/// </remarks>
 		static public event EventHandler Iteration;
 
-		public static void MakeFirstResponder (Responder newResponder)
+		/// <summary>
+		/// Returns a rectangle that is centered in the screen for the provided size.
+		/// </summary>
+		/// <returns>The centered rect.</returns>
+		/// <param name="size">Size for the rectangle.</param>
+		public static Rect MakeCenteredRect (Size size)
 		{
-			if (newResponder == null)
-				throw new ArgumentNullException ();
-
-			throw new NotImplementedException ();
+			return new Rect (new Point ((Driver.Cols - size.Width) / 2, (Driver.Rows - size.Height) / 2), size);
 		}
 
 		class MainLoopSyncContext : SynchronizationContext {

TODO.md

@@ -44,6 +44,11 @@ Wanted:
 - Popup menus
 - Make windows draggable
 
+High-level widgets:
+- Time selector
+- Date selector
+- File selector
+- Masked input
 
 ## Layout manager
 
@@ -64,21 +69,10 @@ characters everywhere
 For now it is split, in case we want to introduce formal view
 controllers.  But the design becomes very ugly.
 
-# Bugs
-
-There is a problem with the high-intensity colors, they are not showing up
-
-Add resizing support (still needs layout as well)
-
-# Mouse support
-
-It is still pending.
-
-Should allow for views to be dragged, in particular Window should allow this
-
 # Mono-Curses
 
 The only missing feature in Mono-Curses that still relies on a native library
 is to fetch the OS SIGTSTP signal, we could hardcode this value if we had
 a way of detecting the host operating system and architecture, and just hardcode
-the value based on this.
+the value based on this.
+

Terminal.csproj

@@ -45,6 +45,7 @@
     <Compile Include="Views\Checkbox.cs" />
     <Compile Include="Views\Menu.cs" />
     <Compile Include="Views\ScrollView.cs" />
+    <Compile Include="Views\Dialog.cs" />
   </ItemGroup>
   <ItemGroup>
    <Reference Include="mono-curses.dll">

Views/Dialog.cs

@@ -0,0 +1,51 @@
+//
+// Dialog.cs: Dialog box
+//
+// Authors:
+//   Miguel de Icaza (miguel@gnome.org)
+//
+
+using System;
+using System.Collections.Generic;
+
+namespace Terminal {
+	/// <summary>
+	/// The dialog box is a window that by default is centered and contains one 
+	/// or more buttons.
+	/// </summary>
+	public class Dialog : Window {
+		List<Button> buttons = new List<Button> ();
+
+		public Dialog (string title, int width, int height, params Button [] buttons) : base (Application.MakeCenteredRect (new Size (width, height)))
+		{
+			foreach (var b in buttons) {
+				this.buttons.Add (b);
+				Add (b);
+			}
+		}
+
+		public override void LayoutSubviews ()
+		{
+			base.LayoutSubviews ();
+
+			int buttonSpace = 0;
+			int maxHeight = 0;
+
+			foreach (var b in buttons) {
+				buttonSpace += b.Frame.Width + 1;
+				maxHeight = Math.Max (maxHeight, b.Frame.Height);
+			}
+			const int borderWidth = 2;
+			var start = (Frame.Width-borderWidth - buttonSpace) / 2;
+
+			var y = Frame.Height - borderWidth - 2 - maxHeight;
+			foreach (var b in buttons) {
+				var bf = b.Frame;
+
+				b.Frame = new Rect (start, y, bf.Width, bf.Height);
+
+				start += bf.Width + 1;
+			}
+		}
+	}
+}

demo.cs

@@ -24,6 +24,12 @@ class Demo {
 		);
 	}
 
+	static void NewFile ()
+	{
+		var d = new Dialog ("New File", 50, 20, new Button ("Ok"), new Button ("Cancel"));
+		Application.Run (d);
+	}
+
 	static void Main ()
 	{
 		Application.Init ();
@@ -33,7 +39,7 @@ class Demo {
 		var win = new Window (new Rect (0, 1, tframe.Width, tframe.Height-1), "Hello");
 		var menu = new MenuBar (new MenuBarItem [] {
 			new MenuBarItem ("_File", new MenuItem [] {
-				new MenuItem ("_New", "Creates new file", null),
+				new MenuItem ("_New", "Creates new file", NewFile),
 				new MenuItem ("_Open", "", null),
 				new MenuItem ("_Close", "", null),
 				new MenuItem ("_Quit", "", null)