Upgrade to Avalonia 11.0.0-preview6

Directory.Build.props

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <LangVersion>latest</LangVersion>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <AvaloniaVersion>11.0.999-cibuild0031007-beta</AvaloniaVersion>
+    <AvaloniaVersion>11.0.0-preview6</AvaloniaVersion>
     <TextMateSharpVersion>1.0.50</TextMateSharpVersion>
     <NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
     <VersionSuffix>beta</VersionSuffix>

src/AvaloniaEdit.Demo/MainWindow.xaml.cs

@@ -49,7 +49,7 @@ public MainWindow()
             _textEditor.ShowLineNumbers = true;
             _textEditor.ContextMenu = new ContextMenu
             {
-                Items = new List<MenuItem>
+                ItemsSource = new List<MenuItem>
                 {
                     new MenuItem { Header = "Copy", InputGesture = new KeyGesture(Key.C, KeyModifiers.Control) },
                     new MenuItem { Header = "Paste", InputGesture = new KeyGesture(Key.V, KeyModifiers.Control) },
@@ -84,7 +84,7 @@ public MainWindow()
             Language csharpLanguage = _registryOptions.GetLanguageByExtension(".cs");
 
             _syntaxModeCombo = this.FindControl<ComboBox>("syntaxModeCombo");
-            _syntaxModeCombo.Items = _registryOptions.GetAvailableLanguages();
+            _syntaxModeCombo.ItemsSource = _registryOptions.GetAvailableLanguages();
             _syntaxModeCombo.SelectedItem = csharpLanguage;
             _syntaxModeCombo.SelectionChanged += SyntaxModeCombo_SelectionChanged;
 

src/AvaloniaEdit/CodeCompletion/CompletionList.cs

@@ -86,7 +86,7 @@ protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
             _listBox = e.NameScope.Find("PART_ListBox") as CompletionListBox;
             if (_listBox != null)
             {
-                _listBox.Items = _completionData;
+                _listBox.ItemsSource = _completionData;
             }
         }
 
@@ -294,7 +294,7 @@ where quality > 0
 
             _currentList = listBoxItems;
             //_listBox.Items = null; Makes no sense? Tooltip disappeared because of this
-            _listBox.Items = listBoxItems;
+            _listBox.ItemsSource = listBoxItems;
             SelectIndexCentered(bestIndex);
         }
 

src/AvaloniaEdit/CodeCompletion/CompletionWindow.cs

@@ -62,7 +62,7 @@ public CompletionWindow(TextArea textArea) : base(textArea)
             {
                 IsLightDismissEnabled = true,
                 PlacementTarget = this,
-                PlacementMode = PlacementMode.Right,
+                Placement = PlacementMode.Right,
                 Child = _toolTipContent,
             };
 

src/AvaloniaEdit/CodeCompletion/CompletionWindowBase.cs

@@ -86,7 +86,7 @@ public CompletionWindowBase(TextArea textArea) : base()
             StartOffset = EndOffset = TextArea.Caret.Offset;
 
             PlacementTarget = TextArea.TextView;
-            PlacementMode = PlacementMode.AnchorAndGravity;
+            Placement = PlacementMode.AnchorAndGravity;
             PlacementAnchor = Avalonia.Controls.Primitives.PopupPositioning.PopupAnchor.TopLeft;
             PlacementGravity = Avalonia.Controls.Primitives.PopupPositioning.PopupGravity.BottomRight;
 

src/AvaloniaEdit/Editing/Caret.cs

@@ -446,7 +446,7 @@ public Rect CalculateCaretRectangle()
                 var visualLine = _textView.GetOrConstructVisualLine(_textView.Document.GetLineByNumber(_position.Line));
                 return _textArea.OverstrikeMode ? CalcCaretOverstrikeRectangle(visualLine) : CalcCaretRectangle(visualLine);
             }
-            return Rect.Empty;
+            return default;
         }
 
         /// <summary>
@@ -465,7 +465,7 @@ public void BringCaretToView()
         public void BringCaretToView(double border)
         {
             var caretRectangle = CalculateCaretRectangle();
-            if (!caretRectangle.IsEmpty)
+            if (caretRectangle != default)
             {
                 caretRectangle = caretRectangle.Inflate(border);
                 _textView.MakeVisible(caretRectangle);

src/AvaloniaEdit/Editing/TextArea.cs

@@ -1154,7 +1154,7 @@ public Rect CursorRectangle
                 {   
                     if(_textArea == null)
                     {
-                        return Rect.Empty;
+                        return default;
                     }
 
                     var transform = _textArea.TextView.TransformToVisual(_textArea);

src/AvaloniaEdit/Rendering/BackgroundGeometryBuilder.cs

@@ -210,7 +210,7 @@ private static IEnumerable<Rect> ProcessTextLines(TextView textView, VisualLine
 				int segmentStartVcInLine = Math.Max(segmentStartVc, visualStartCol);
 				int segmentEndVcInLine = Math.Min(segmentEndVc, visualEndCol);
 				y -= scrollOffset.Y;
-				Rect lastRect = Rect.Empty;
+				Rect lastRect = default;
 				if (segmentStartVcInLine == segmentEndVcInLine) {
 					// GetTextBounds crashes for length=0, so we'll handle this case with GetDistanceFromCharacterHit
 					// We need to return a rectangle to ensure empty lines are still visible
@@ -229,7 +229,7 @@ private static IEnumerable<Rect> ProcessTextLines(TextView textView, VisualLine
 						foreach (var b in line.GetTextBounds(segmentStartVcInLine, segmentEndVcInLine - segmentStartVcInLine)) {
 							double left = b.Rectangle.Left - scrollOffset.X;
 							double right = b.Rectangle.Right - scrollOffset.X;
-							if (!lastRect.IsEmpty)
+							if (lastRect != default)
 								yield return lastRect;
 							// left>right is possible in RTL languages
 							lastRect = new Rect(Math.Min(left, right), y, Math.Abs(right - left), line.Height);
@@ -261,7 +261,7 @@ private static IEnumerable<Rect> ProcessTextLines(TextView textView, VisualLine
 						right = visualLine.GetTextLineVisualXPosition(lastTextLine, segmentEndVc);
 					}
 					Rect extendSelection = new Rect(Math.Min(left, right), y, Math.Abs(right - left), line.Height);
-					if (!lastRect.IsEmpty) {
+					if (lastRect != default) {
 						if (extendSelection.Intersects(lastRect)) {
 							lastRect.Union(extendSelection);
 							yield return lastRect;

src/AvaloniaEdit/Rendering/SingleCharacterElementGenerator.cs

@@ -202,7 +202,7 @@ public TabGlyphRun(TabTextElement element, TextRunProperties properties)
 
 			public override double Baseline => _element.Text.Baseline;
 
-			public override Size Size => Size.Empty;
+			public override Size Size => default;
 
 			public override void Draw(DrawingContext drawingContext, Point origin)
 			{

src/AvaloniaEdit/Rendering/TextView.cs

@@ -1952,7 +1952,7 @@ private static ImmutablePen CreateFrozenPen(IBrush brush)
 
         bool ILogicalScrollable.BringIntoView(Control target, Rect rectangle)
         {
-            if (rectangle.IsEmpty || target == null || target == this || !this.IsVisualAncestorOf(target))
+            if (rectangle == default || target == null || target == this || !this.IsVisualAncestorOf(target))
             {
                 return false;
             }

test/AvaloniaEdit.Tests/AvaloniaMocks/MockFontManagerImpl.cs

@@ -5,6 +5,7 @@
 
 using System.Collections.Generic;
 using System.Globalization;
+using System.IO;
 
 #nullable enable
 
@@ -24,7 +25,7 @@ public string GetDefaultFontFamilyName()
             return _defaultFamilyName;
         }
 
-        public IEnumerable<string> GetInstalledFontFamilyNames(bool checkForUpdates = false)
+        public string[] GetInstalledFontFamilyNames(bool checkForUpdates = false)
         {
             return new[] { _defaultFamilyName };
         }
@@ -37,9 +38,17 @@ public bool TryMatchCharacter(int codepoint, FontStyle fontStyle, FontWeight fon
             return true;
         }
 
-        public IGlyphTypeface CreateGlyphTypeface(Typeface typeface)
+        public bool TryCreateGlyphTypeface(string familyName, FontStyle style, FontWeight weight,
+                                           FontStretch stretch, out IGlyphTypeface glyphTypeface)
         {
-            return new MockGlyphTypeface();
+            glyphTypeface = new MockGlyphTypeface();
+            return true;
+        }
+
+        public bool TryCreateGlyphTypeface(Stream stream, out IGlyphTypeface glyphTypeface)
+        {
+            glyphTypeface = new MockGlyphTypeface();
+            return true;
         }
     }
 }

test/AvaloniaEdit.Tests/AvaloniaMocks/MockGlyphRun.cs

@@ -16,10 +16,10 @@ public MockGlyphRun(IReadOnlyList<GlyphInfo> glyphInfos)
                 width += glyphInfos[i].GlyphAdvance;
             }
 
-            Size = new Size(width, 10);
+            Bounds = new Rect(new Size(width, 10));
         }
 
-        public Size Size { get; }
+        public Rect Bounds { get; }
 
         public Point BaselineOrigin => new Point(0, 8);
 

test/AvaloniaEdit.Tests/AvaloniaMocks/MockGlyphTypeface.cs

@@ -14,6 +14,7 @@ public class MockGlyphTypeface : IGlyphTypeface
             IsFixedPitch = true
         };
 
+        public FontStretch Stretch { get; }
         public int GlyphCount => 1337;
 
         public FontSimulations FontSimulations => throw new NotImplementedException();
@@ -62,6 +63,10 @@ public bool TryGetTable(uint tag, out byte[] table)
             return false;
         }
 
+        public string FamilyName => "";
+        public FontWeight Weight => FontWeight.Normal;
+        public FontStyle Style => FontStyle.Normal;
+
         public bool TryGetGlyphMetrics(ushort glyph, out GlyphMetrics metrics)
         {
             metrics = new GlyphMetrics