Fixed some autosize things

Terminal.Gui/View/ViewLayout.cs

@@ -721,13 +721,11 @@ namespace Terminal.Gui {
 				case Dim.DimAutoSize:
 					var thickness = GetFramesThickness ();
 					if (horiz) {
-						var furthestLeft = Subviews.Where (v => v.Frame.X >= 0).Min (v => v.Frame.X);
-						var furthestRight = Subviews.Where (v => v.Frame.X >= 0).Max (v => v.Frame.X + v.Frame.Width);
-						newDimension = furthestLeft + furthestRight + thickness.Left + thickness.Right;
+						var furthestRight = Subviews.Max (v => v.Frame.X + v.Frame.Width);
+						newDimension = furthestRight + thickness.Left + thickness.Right;
 					} else {
-						var furthestTop = Subviews.Where (v => v.Frame.Y >= 0).Min (v => v.Frame.Y);
-						var furthestBottom = Subviews.Where (v => v.Frame.Y >= 0).Max (v => v.Frame.Y + v.Frame.Height);
-						newDimension = furthestTop + furthestBottom + thickness.Top + thickness.Bottom;
+						var furthestBottom = Subviews.Max (v => v.Frame.Y + v.Frame.Height);
+						newDimension = furthestBottom + thickness.Top + thickness.Bottom;
 					}
 					break;
 
@@ -981,7 +979,18 @@ namespace Terminal.Gui {
 			CollectAll (this, ref nodes, ref edges);
 			var ordered = View.TopologicalSort (SuperView, nodes, edges);
 			foreach (var v in ordered) {
-				LayoutSubview (v, new Rect (GetBoundsOffset (), Bounds.Size));
+				if (v.Width is Dim.DimAutoSize || v.Height is Dim.DimAutoSize) {
+					// If the view is auto-sized...
+					var f = v.Frame;
+					LayoutSubview (v, new Rect (GetBoundsOffset (), Bounds.Size));
+					if (v.Frame != f) {
+						// The subviews changed; do it again
+						v.LayoutNeeded = true;
+						LayoutSubview (v, new Rect (GetBoundsOffset (), Bounds.Size));
+					}
+				} else {
+					LayoutSubview (v, new Rect (GetBoundsOffset (), Bounds.Size));
+				}
 			}
 
 			// If the 'to' is rooted to 'from' and the layoutstyle is Computed it's a special-case.

UICatalog/Scenarios/DimAutoSize.cs

@@ -45,7 +45,7 @@ public class DimAutoSize : Scenario {
 		};
 
 		var button = new Button () { Text = "Press to make button move down.", 
-			X = Pos.Center(), 
+			X = 0, 
 			Y = Pos.Bottom (label), 
 		};
 		button.Clicked += (s, e) => {

UICatalog/Scenarios/Frames.cs

@@ -52,6 +52,8 @@ namespace UICatalog.Scenarios {
 
 			public FrameEditor ()
 			{
+				Height = Dim.AutoSize ();
+				Width = Dim.AutoSize ();
 				Margin.Thickness = new Thickness (0);
 				BorderStyle = LineStyle.Double;
 				Initialized += FrameEditor_Initialized; ;
@@ -144,9 +146,9 @@ namespace UICatalog.Scenarios {
 				_rightEdit.Text = $"{Thickness.Right}";
 				_bottomEdit.Text = $"{Thickness.Bottom}";
 
-				LayoutSubviews ();
-				Height = GetFramesThickness ().Vertical + 4 + 4;
-				Width = GetFramesThickness ().Horizontal + _foregroundColorPicker.Frame.Width * 2 - 3;
+				//LayoutSubviews ();
+				//Height = GetFramesThickness ().Vertical + 4 + 4;
+				//Width = GetFramesThickness ().Horizontal + _foregroundColorPicker.Frame.Width * 2 - 3;
 			}
 
 			private void Edit_TextChanging (object sender, TextChangingEventArgs e)