Removed Vertical/Horizontal Alignment. Now uses LayoutAlignment from Maui

This should clean up and fix more bugs with Layout. I still want to change FrameConstraints to set the values for Alignment as well.

sample/Comet.Samples/Comparisons/Section3.cs

@@ -34,7 +34,7 @@ namespace Comet.Samples.Comparisons
 	{
 		[Body]
 		View body() =>
-				 new VStack(alignment: HorizontalAlignment.Leading){
+				 new VStack(alignment: LayoutAlignment.Start){
 					new Text("Turtle Rock"),
 					new HStack {
 						new Text("Joshua Tree National Park")

sample/Comet.Samples/GlobalUsings.cs

@@ -2,3 +2,4 @@
 global using Microsoft.Maui.Graphics;
 global using Comet;
 global using System.Linq;
+global using Microsoft.Maui.Primitives;

sample/Comet.Samples/LiveStreamIssues/DavidSample1.cs

@@ -8,7 +8,7 @@ namespace Comet.Samples.LiveStreamIssues
 	{
 		[Body]
 		View body() =>
-			new VStack(HorizontalAlignment.Center)
+			new VStack(LayoutAlignment.Center)
 			{
 				new HStack
 				{

sample/Comet.Samples/LiveStreamIssues/DavidSample1a.cs

@@ -8,7 +8,7 @@ namespace Comet.Samples.LiveStreamIssues
 	{
 		[Body]
 		View body() =>
-			new VStack(HorizontalAlignment.Center)
+			new VStack(LayoutAlignment.Center)
 			{
 				new ShapeView(new Circle().Stroke(Colors.Black, 2f)).Frame(44,44)
 			};

sample/Comet.Samples/LiveStreamIssues/DavidSample1b.cs

@@ -8,7 +8,7 @@ namespace Comet.Samples.LiveStreamIssues
 	{
 		[Body]
 		View body() =>
-			new HStack(VerticalAlignment.Center)
+			new HStack(LayoutAlignment.Center)
 			{
 				new Spacer(),
 				new ShapeView(new Circle().Stroke(Colors.Black, 2f)).Frame(44,44),

sample/Comet.Samples/LiveStreamIssues/DavidSample1c.cs

@@ -8,7 +8,7 @@ namespace Comet.Samples.LiveStreamIssues
 	{
 		[Body]
 		View body() =>
-			new VStack(HorizontalAlignment.Center)
+			new VStack(LayoutAlignment.Center)
 			{
 				new HStack
 				{

sample/Comet.Samples/Views/AuditReportPage.cs

@@ -34,7 +34,7 @@ namespace Comet.Samples
 			{
 				ViewFor = (report) => new HStack()
 					{
-						new VStack(HorizontalAlignment.Leading)
+						new VStack(LayoutAlignment.Start)
 						{
 							new Text (report.View).FontSize(20),
 							new Text ($"Handler: {report.Handler}"),

sample/Comet.Samples/Views/ListViewSample1.cs

@@ -30,7 +30,7 @@ namespace Comet.Samples
 			ViewFor = (song) => new HStack
 			{
 				new Image (song.ArtworkUrl).Frame(52, 52).Margin(4),
-				new VStack(HorizontalAlignment.Leading, spacing:2)
+				new VStack(LayoutAlignment.Start, spacing:2)
 				{
 					new Text (song.Title).FontSize(17),
 					new Text (song.Artist).Color(Colors.Grey),

sample/Comet.Samples/Views/ListViewSample2.cs

@@ -36,7 +36,7 @@ namespace Comet.Samples
 						.Frame(44,44, Alignment.Center)
 						.Margin(left:10f)
 						.ClipShape(new Circle()),
-					new VStack(HorizontalAlignment.Leading)
+					new VStack(LayoutAlignment.Start)
 					{
 						new Text(song.Title),
 						new Text(song.Artist),

sample/Comet.Samples/Views/ViewLayoutTestCase.cs

@@ -29,7 +29,7 @@ namespace Comet.Samples
 							new Image()
 								.Background(Colors.SkyBlue).FillHorizontal().FillVertical()
 								.ClipShape(new RoundedRectangle(36)),
-							new VStack(Comet.HorizontalAlignment.Leading) {
+							new VStack(LayoutAlignment.Start) {
 								new VStack
 								{
 									new Text(() => "$100")

src/Comet/Alignment.cs

@@ -1,25 +1,27 @@
+using Microsoft.Maui.Primitives;
+
 namespace Comet
 {
 	public class Alignment
 	{
-		public static readonly Alignment Bottom = new Alignment(HorizontalAlignment.Center, VerticalAlignment.Bottom);
-		public static readonly Alignment BottomLeading = new Alignment(HorizontalAlignment.Leading, VerticalAlignment.Bottom);
-		public static readonly Alignment BottomTrailing = new Alignment(HorizontalAlignment.Trailing, VerticalAlignment.Bottom);
-		public static readonly Alignment Center = new Alignment(HorizontalAlignment.Center, VerticalAlignment.Center);
-		public static readonly Alignment Leading = new Alignment(HorizontalAlignment.Leading, VerticalAlignment.Center);
-		public static readonly Alignment Trailing = new Alignment(HorizontalAlignment.Trailing, VerticalAlignment.Center);
-		public static readonly Alignment Top = new Alignment(HorizontalAlignment.Center, VerticalAlignment.Top);
-		public static readonly Alignment TopLeading = new Alignment(HorizontalAlignment.Leading, VerticalAlignment.Top);
-		public static readonly Alignment TopTrailing = new Alignment(HorizontalAlignment.Trailing, VerticalAlignment.Top);
+		public static readonly Alignment Bottom = new Alignment(LayoutAlignment.Center, LayoutAlignment.End);
+		public static readonly Alignment BottomLeading = new Alignment(LayoutAlignment.Start, LayoutAlignment.End);
+		public static readonly Alignment BottomTrailing = new Alignment(LayoutAlignment.End, LayoutAlignment.End);
+		public static readonly Alignment Center = new Alignment(LayoutAlignment.Center, LayoutAlignment.Center);
+		public static readonly Alignment Leading = new Alignment(LayoutAlignment.Start, LayoutAlignment.Center);
+		public static readonly Alignment Trailing = new Alignment(LayoutAlignment.End, LayoutAlignment.Center);
+		public static readonly Alignment Top = new Alignment(LayoutAlignment.Center, LayoutAlignment.Start);
+		public static readonly Alignment TopLeading = new Alignment(LayoutAlignment.Start, LayoutAlignment.Start);
+		public static readonly Alignment TopTrailing = new Alignment(LayoutAlignment.End, LayoutAlignment.Start);
 
-		public Alignment(HorizontalAlignment horizontal, VerticalAlignment vertical)
+		public Alignment(LayoutAlignment horizontal, LayoutAlignment vertical)
 		{
 			Horizontal = horizontal;
 			Vertical = vertical;
 		}
 
-		public HorizontalAlignment Horizontal { get; }
-		public VerticalAlignment Vertical { get; }
+		public LayoutAlignment Horizontal { get; }
+		public LayoutAlignment Vertical { get; }
 
 		protected bool Equals(Alignment other) => Horizontal == other.Horizontal && Vertical == other.Vertical;
 

src/Comet/Controls/AbstractLayout.cs

@@ -40,13 +40,6 @@ namespace Comet
 			InvalidateMeasurement();
 		}
 
-		public override void LayoutSubviews(Rectangle frame)
-		{
-			base.LayoutSubviews(frame);
-			var padding = this.GetPadding();
-			var bounds = new Rectangle(Point.Zero, Frame.Size);//.ApplyPadding(padding);
-			CrossPlatformArrange(bounds);
-		}
 
 		public override Size GetDesiredSize(Size availableSize)
 		{

src/Comet/Controls/HStack.cs

@@ -6,11 +6,11 @@ namespace Comet
 {
 	public class HStack : AbstractLayout, IStackLayout
 	{
-		private readonly VerticalAlignment alignment;
+		private readonly LayoutAlignment alignment;
 		private readonly float? spacing;
 
 		public HStack(
-			VerticalAlignment alignment = VerticalAlignment.Center,
+			LayoutAlignment alignment = LayoutAlignment.Center,
 			float? spacing = null) : base()
 		{
 			this.alignment = alignment;

src/Comet/Controls/VStack.cs

@@ -6,11 +6,11 @@ namespace Comet
 {
 	public class VStack : AbstractLayout, IStackLayout
 	{
-		private readonly HorizontalAlignment alignment;
+		private readonly LayoutAlignment alignment;
 		private readonly float? spacing;
 
 		public VStack(
-			HorizontalAlignment alignment = HorizontalAlignment.Center,
+			LayoutAlignment alignment = LayoutAlignment.Center,
 			float? spacing = null) 
 		{
 			this.alignment = alignment;

src/Comet/GlobalUsings.cs

@@ -6,3 +6,4 @@ global using Microsoft.Maui.Graphics;
 global using System.Collections.Generic;
 global using System.Threading.Tasks;
 global using System.Linq;
+global using Microsoft.Maui.Primitives;

src/Comet/Helpers/LayoutExtensions.cs

@@ -94,7 +94,7 @@ namespace Comet
 
 		public static void SetFrameFromNativeView(
 			this View view,
-			Rectangle frame)
+			Rectangle frame, LayoutAlignment defaultHorizontalAlignment = LayoutAlignment.Center, LayoutAlignment defaultVerticalAlignment = LayoutAlignment.Center)
 		{
 			if (view == null)
 				return;
@@ -119,13 +119,17 @@ namespace Comet
 
 			var frameConstraints = view.GetFrameConstraints();
 
+			
+			var horizontalSizing = frameConstraints?.Alignment?.Horizontal ?? view.GetHorizontalLayoutAlignment(view.Parent as ContainerView,  defaultHorizontalAlignment);
+			var verticalSizing = frameConstraints?.Alignment?.Vertical ?? view.GetVerticalLayoutAlignment(view.Parent as ContainerView, defaultVerticalAlignment);
+
+
 			if (frameConstraints?.Width != null)
 			{
 				width = (float)frameConstraints.Width;
 			}
 			else
 			{
-				var horizontalSizing = view.GetHorizontalLayoutAlignment(view.Parent as ContainerView, LayoutAlignment.Start);
 				if (horizontalSizing == LayoutAlignment.Fill)
 					width = frame.Width;
 			}
@@ -136,7 +140,6 @@ namespace Comet
 			}
 			else
 			{
-				var verticalSizing = view.GetVerticalLayoutAlignment(view.Parent as ContainerView, LayoutAlignment.Start);
 				if (verticalSizing == LayoutAlignment.Fill)
 					height = frame.Height;
 			}
@@ -144,23 +147,23 @@ namespace Comet
 			var alignment = frameConstraints?.Alignment ?? Alignment.Center;
 
 			var xFactor = .5f;
-			switch (alignment.Horizontal)
+			switch (horizontalSizing)
 			{
-				case HorizontalAlignment.Leading:
+				case LayoutAlignment.Start:
 					xFactor = 0;
 					break;
-				case HorizontalAlignment.Trailing:
+				case LayoutAlignment.End:
 					xFactor = 1;
 					break;
 			}
 
 			var yFactor = .5f;
-			switch (alignment.Vertical)
+			switch (verticalSizing)
 			{
-				case VerticalAlignment.Bottom:
+				case LayoutAlignment.End:
 					yFactor = 1;
 					break;
-				case VerticalAlignment.Top:
+				case LayoutAlignment.Start:
 					yFactor = 0;
 					break;
 			}
@@ -223,6 +226,9 @@ namespace Comet
 
 		public static T FrameConstraints<T>(this T view, FrameConstraints constraints, bool cascades = false) where T : View
 		{
+
+			view.SetEnvironment(EnvironmentKeys.Layout.VerticalLayoutAlignment, constraints?.Alignment?.Vertical, cascades);
+			view.SetEnvironment(EnvironmentKeys.Layout.HorizontalLayoutAlignment, constraints?.Alignment?.Horizontal, cascades);
 			view.SetEnvironment(EnvironmentKeys.Layout.FrameConstraints, constraints, cascades);
 			return view;
 		}

src/Comet/HorizontalAlignment.cs

@@ -1,13 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace Comet
-{
-	public enum HorizontalAlignment
-	{
-		Center,
-		Leading,
-		Trailing
-	}
-}

src/Comet/Layout/HStackLayoutManager.cs

@@ -5,11 +5,11 @@ namespace Comet.Layout
 {
 	public class HStackLayoutManager : Microsoft.Maui.Layouts.ILayoutManager
 	{
-		private readonly VerticalAlignment _defaultAlignment;
+		private readonly LayoutAlignment _defaultAlignment;
 		private readonly float _spacing;
 
 		public HStackLayoutManager(ContainerView layout,
-			VerticalAlignment alignment = VerticalAlignment.Center,
+			LayoutAlignment alignment = LayoutAlignment.Center,
 			float? spacing = null)
 		{
 			this.layout = layout;
@@ -33,7 +33,7 @@ namespace Comet.Layout
 
 				var size = view.MeasuredSize;
 				layoutRect.Width = size.Width;
-				view.LayoutSubviews(layoutRect);
+				view.SetFrameFromNativeView(layoutRect,LayoutAlignment.Start, _defaultAlignment);
 				layoutRect.X = view.Frame.Right + _spacing;
 			}
 			return new Size(layoutRect.Left, layoutRect.Bottom);
@@ -95,6 +95,7 @@ namespace Comet.Layout
 				width = widthConstraint;
 
 
+			
 			return new Size(width, height);
 		}
 	}

src/Comet/Layout/VStackLayoutManager.cs

@@ -4,10 +4,10 @@ namespace Comet.Layout;
 
 public class VStackLayoutManager : Microsoft.Maui.Layouts.ILayoutManager
 {
-	private readonly HorizontalAlignment _defaultAlignment;
+	private readonly LayoutAlignment _defaultAlignment;
 	private readonly double _spacing;
 
-	public VStackLayoutManager(ContainerView layout, HorizontalAlignment alignment = HorizontalAlignment.Center,
+	public VStackLayoutManager(ContainerView layout, LayoutAlignment alignment = LayoutAlignment.Center,
 		double? spacing = null)
 	{
 		_defaultAlignment = alignment;
@@ -31,7 +31,7 @@ public class VStackLayoutManager : Microsoft.Maui.Layouts.ILayoutManager
 
 			var size = view.MeasuredSize;
 			layoutRect.Height = size.Height;
-			view.LayoutSubviews(layoutRect);
+			view.SetFrameFromNativeView(layoutRect,_defaultAlignment, LayoutAlignment.Start);
 			layoutRect.Y = view.Frame.Bottom + _spacing;
 
 		}

src/Comet/Styles/Style.cs

@@ -18,7 +18,7 @@ namespace Comet.Styles
 
 		public FlowDirection FlowDirection { get; set; } = System.Globalization.CultureInfo.CurrentCulture.TextInfo.IsRightToLeft ? FlowDirection.RightToLeft : FlowDirection.LeftToRight;
 
-		public HorizontalAlignment HorizontalAlignment { get; set; } = System.Globalization.CultureInfo.CurrentCulture.TextInfo.IsRightToLeft ? HorizontalAlignment.Trailing : HorizontalAlignment.Leading;
+		public LayoutAlignment HorizontalAlignment { get; set; } = System.Globalization.CultureInfo.CurrentCulture.TextInfo.IsRightToLeft ? LayoutAlignment.End : LayoutAlignment.Start;
 
 		public TextStyle Label { get; set; } = new TextStyle
 		{

src/Comet/VerticalAlignment.cs

@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace Comet
-{
-	public enum VerticalAlignment
-	{
-		Center,
-		Bottom,
-		Top,
-		FirstTextBaseline,
-		LastTextBaseline
-	}
-}

templates/single-project/CometApp1/GlobalUsings.cs

@@ -3,3 +3,4 @@ global using Microsoft.Maui.Graphics;
 global using Comet;
 global using System;
 global using System.Linq;
+global using Microsoft.Maui.Primitives;