Update to 11.0.0-preview1 and support Unicode

Directory.Build.props

@@ -2,9 +2,9 @@
   <PropertyGroup>
     <LangVersion>latest</LangVersion>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <AvaloniaVersion>0.10.12</AvaloniaVersion>
+    <AvaloniaVersion>11.0.0-preview1</AvaloniaVersion>
     <TextMateSharpVersion>1.0.43</TextMateSharpVersion>
     <NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
-    <Version>0.10.12.2</Version>
+    <Version>11.0.0-preview1</Version>
   </PropertyGroup>
 </Project>

NuGet.config

@@ -4,5 +4,6 @@
     <clear />
     <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
     <add key="AvaloniaCI" value="https://nuget.avaloniaui.net/repository/avalonia-all/index.json" />
+    <add key="CI Feed" value="https://pkgs.dev.azure.com/AvaloniaUI/AvaloniaUI/_packaging/avalonia-all/nuget/v3/index.json" />
   </packageSources>
 </configuration>

src/AvaloniaEdit.Demo/AvaloniaEdit.Demo.csproj

@@ -30,7 +30,9 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Avalonia" Version="$(AvaloniaVersion)" />
     <PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)" />
+	<PackageReference Include="Avalonia.Themes.Fluent" Version="$(AvaloniaVersion)"/>
     <ProjectReference Include="..\AvaloniaEdit\AvaloniaEdit.csproj" />
     <ProjectReference Include="..\AvaloniaEdit.TextMate\AvaloniaEdit.TextMate.csproj" />
   </ItemGroup>

src/AvaloniaEdit.Demo/MainWindow.xaml

@@ -17,16 +17,19 @@
                     <Path Fill="White" Data="M2.75 5C2.33579 5 2 5.33579 2 5.75C2 6.16421 2.33579 6.5 2.75 6.5H21.25C21.6642 6.5 22 6.16421 22 5.75C22 5.33579 21.6642 5 21.25 5H2.75Z M2.75 11.5C2.33579 11.5 2 11.8358 2 12.25C2 12.6642 2.33579 13 2.75 13H19C20.3807 13 21.5 14.1193 21.5 15.5C21.5 16.8807 20.3807 18 19 18H14.5607L15.2803 17.2803C15.5732 16.9874 15.5732 16.5126 15.2803 16.2197C14.9874 15.9268 14.5126 15.9268 14.2197 16.2197L12.2197 18.2197C11.9268 18.5126 11.9268 18.9874 12.2197 19.2803L14.2197 21.2803C14.5126 21.5732 14.9874 21.5732 15.2803 21.2803C15.5732 20.9874 15.5732 20.5126 15.2803 20.2197L14.5607 19.5H19C21.2091 19.5 23 17.7091 23 15.5C23 13.2909 21.2091 11.5 19 11.5H2.75Z M2 18.75C2 18.3358 2.33579 18 2.75 18H9.25C9.66421 18 10 18.3358 10 18.75C10 19.1642 9.66421 19.5 9.25 19.5H2.75C2.33579 19.5 2 19.1642 2 18.75Z" />
                 </ToggleButton.Content>
             </ToggleButton>
-            <Button Name="addControlBtn" Content="Add Button" />
-            <Button Name="clearControlBtn" Content="Clear Buttons" />
-            <ComboBox Name="syntaxModeCombo" />
-            <Button Name="changeThemeBtn" Content="Change theme"/>
+            <ToggleButton Name="viewTabs" Content="View tabs" IsChecked="{Binding #Editor.Options.ShowTabs}" VerticalAlignment="Stretch" VerticalContentAlignment="Center"/>
+            <ToggleButton Name="viewSpaces" Content="View spaces" IsChecked="{Binding #Editor.Options.ShowSpaces}" VerticalAlignment="Stretch" VerticalContentAlignment="Center"/>
+            <ToggleButton Name="viewEOL" Content="View EOL" IsChecked="{Binding #Editor.Options.ShowEndOfLine}" VerticalAlignment="Stretch" VerticalContentAlignment="Center"/>
+            <Button Name="addControlBtn" Content="Add Button" VerticalAlignment="Stretch" VerticalContentAlignment="Center"/>
+            <Button Name="clearControlBtn" Content="Clear Buttons" VerticalAlignment="Stretch" VerticalContentAlignment="Center"/>
+            <ComboBox Name="syntaxModeCombo" VerticalAlignment="Stretch" VerticalContentAlignment="Center"/>
+            <Button Name="changeThemeBtn" Content="Change theme" VerticalAlignment="Stretch" VerticalContentAlignment="Center"/>
         </StackPanel>
         <StackPanel Name="StatusBar" Background="Purple" Height="25" DockPanel.Dock="Bottom" Orientation="Horizontal">
             <TextBlock Name="StatusText" Text="Ready" Margin="5 0 0 0" VerticalAlignment="Center" FontSize="12"/>
         </StackPanel>
         <AvalonEdit:TextEditor Name="Editor"
-                               FontFamily="Consolas,Menlo,Monospace"
+                               FontFamily="Cascadia Code,Consolas,Menlo,Monospace"
                                Margin="30"
                                Foreground="#D4D4D4"
                                HorizontalScrollBarVisibility="Auto"

src/AvaloniaEdit.Demo/MainWindow.xaml.cs

@@ -17,10 +17,10 @@
 using AvaloniaEdit.Rendering;
 using AvaloniaEdit.TextMate;
 using TextMateSharp.Grammars;
-
+using Avalonia.Diagnostics;
 namespace AvaloniaEdit.Demo
 {
-    using Pair = KeyValuePair<int, IControl>;
+    using Pair = KeyValuePair<int, Control>;
 
     public class MainWindow : Window
     {
@@ -40,19 +40,20 @@ public class MainWindow : Window
 
         public MainWindow()
         {
+
             InitializeComponent();
 
             _textEditor = this.FindControl<TextEditor>("Editor");
             _textEditor.Background = Brushes.Transparent;
             _textEditor.ShowLineNumbers = true;
-            _textEditor.ContextMenu = new ContextMenu 
-            { 
-                Items = new List<MenuItem> 
-                { 
+            _textEditor.ContextMenu = new ContextMenu
+            {
+                Items = 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) },
                     new MenuItem { Header = "Cut", InputGesture = new KeyGesture(Key.X, KeyModifiers.Control) }
-                } 
+                }
             };
             _textEditor.TextArea.Background = this.Background;
             _textEditor.TextArea.TextEntered += textEditor_TextArea_TextEntered;
@@ -106,7 +107,7 @@ public MainWindow()
 
         private void Caret_PositionChanged(object sender, EventArgs e)
         {
-            _statusTextBlock.Text = string.Format("Line {0} Column {1}", 
+            _statusTextBlock.Text = string.Format("Line {0} Column {1}",
                 _textEditor.TextArea.Caret.Line,
                 _textEditor.TextArea.Caret.Column);
         }
@@ -170,13 +171,13 @@ private void InitializeComponent()
             AvaloniaXamlLoader.Load(this);
         }
 
-        private void AddControlButton_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
+        private void AddControlButton_Click(object sender, RoutedEventArgs e)
         {
             _generator.controls.Add(new Pair(_textEditor.CaretOffset, new Button() { Content = "Click me" }));
             _textEditor.TextArea.TextView.Redraw();
         }
 
-        private void ClearControlButton_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
+        private void ClearControlButton_Click(object sender, RoutedEventArgs e)
         {
             //TODO: delete elements using back key
             _generator.controls.Clear();
@@ -259,15 +260,41 @@ protected override void ColorizeLine(DocumentLine line)
                         ChangeLinePart(
                             line.Offset + indexOfUnderline,
                             line.Offset + indexOfUnderline + "underline".Length,
-                            visualLine => visualLine.TextRunProperties.Underline = true);
+                            visualLine =>
+                            {
+                                if (visualLine.TextRunProperties.TextDecorations != null)
+                                {
+                                    var textDecorations = new TextDecorationCollection(visualLine.TextRunProperties.TextDecorations) { TextDecorations.Underline[0] };
+
+                                    visualLine.TextRunProperties.SetTextDecorations(textDecorations);
+                                }
+                                else
+                                {
+                                    visualLine.TextRunProperties.SetTextDecorations(TextDecorations.Underline);
+                                }
+                            }
+                        );
                     }
 
                     if (indexOfStrikeThrough != -1)
                     {
                         ChangeLinePart(
                             line.Offset + indexOfStrikeThrough,
                             line.Offset + indexOfStrikeThrough + "strikethrough".Length,
-                            visualLine => visualLine.TextRunProperties.Strikethrough = true);
+                            visualLine =>
+                            {
+                                if (visualLine.TextRunProperties.TextDecorations != null)
+                                {
+                                    var textDecorations = new TextDecorationCollection(visualLine.TextRunProperties.TextDecorations) { TextDecorations.Strikethrough[0] };
+
+                                    visualLine.TextRunProperties.SetTextDecorations(textDecorations);
+                                }
+                                else
+                                {
+                                    visualLine.TextRunProperties.SetTextDecorations(TextDecorations.Strikethrough);
+                                }
+                            }
+                        );
                     }
                 }
             }

src/AvaloniaEdit.TextMate/AvaloniaEdit.TextMate.csproj

@@ -10,6 +10,7 @@
   </ItemGroup>
 
   <ItemGroup>
+	<PackageReference Include="Avalonia" Version="$(AvaloniaVersion)" />
     <PackageReference Include="TextMateSharp" Version="$(TextMateSharpVersion)" />
     <PackageReference Include="TextMateSharp.Grammars" Version="$(TextMateSharpVersion)" />
   </ItemGroup>

src/AvaloniaEdit.TextMate/GenericLineTransformer.cs

@@ -77,18 +77,21 @@ void ChangeVisualLine(
             bool isUnderline)
         {
             if (foreground != null)
-                visualLine.TextRunProperties.ForegroundBrush = foreground;
+                visualLine.TextRunProperties.SetForegroundBrush(foreground);
 
             if (background != null)
-                visualLine.TextRunProperties.BackgroundBrush = background;
+                visualLine.TextRunProperties.SetBackgroundBrush(background);
 
-            visualLine.TextRunProperties.Underline = isUnderline;
+            if (isUnderline)
+            {
+                visualLine.TextRunProperties.SetTextDecorations(TextDecorations.Underline);
+            }
 
             if (visualLine.TextRunProperties.Typeface.Style != fontStyle ||
                 visualLine.TextRunProperties.Typeface.Weight != fontWeigth)
             {
-                visualLine.TextRunProperties.Typeface = new Typeface(
-                    visualLine.TextRunProperties.Typeface.FontFamily, fontStyle, fontWeigth);
+                visualLine.TextRunProperties.SetTypeface(new Typeface(
+                    visualLine.TextRunProperties.Typeface.FontFamily, fontStyle, fontWeigth));
             }
 
         }

src/AvaloniaEdit.TextMate/TextMateColoringTransformer.cs

@@ -232,7 +232,7 @@ public void ModelTokensChanged(ModelTokensChangedEvent e)
 
                 _textView.Redraw(
                     firstLineToRedraw.Offset,
-                    (lastLineToRedraw.Offset + lastLineToRedraw.TotalLength) - firstLineToRedraw.Offset);
+                    (lastLineToRedraw.Offset + lastLineToRedraw.TotalLength) - firstLineToRedraw.Offset, DispatcherPriority.Normal);
             });
         }
 

src/AvaloniaEdit/Editing/Caret.cs

@@ -45,11 +45,11 @@ internal Caret(TextArea textArea)
             _textView = textArea.TextView;
             _position = new TextViewPosition(1, 1, 0);
 
-            _caretAdorner = new CaretLayer(textArea);
-            _textView.InsertLayer(_caretAdorner, KnownLayer.Caret, LayerInsertionPosition.Replace);
-            _textView.VisualLinesChanged += TextView_VisualLinesChanged;
-            _textView.ScrollOffsetChanged += TextView_ScrollOffsetChanged;
-        }
+			_caretAdorner = new CaretLayer(textArea);
+			_textView.InsertLayer(_caretAdorner, KnownLayer.Caret, LayerInsertionPosition.Replace);
+			_textView.VisualLinesChanged += TextView_VisualLinesChanged;
+			_textView.ScrollOffsetChanged += TextView_ScrollOffsetChanged;
+		}
 
         internal void UpdateIfVisible()
         {
@@ -402,41 +402,39 @@ private Rect CalcCaretRectangle(VisualLine visualLine)
                             lineBottom - lineTop);
         }
 
-        private Rect CalcCaretOverstrikeRectangle(VisualLine visualLine)
-        {
-            if (!_visualColumnValid)
-            {
-                RevalidateVisualColumn(visualLine);
-            }
-
-            var currentPos = _position.VisualColumn;
-            // The text being overwritten in overstrike mode is everything up to the next normal caret stop
-            var nextPos = visualLine.GetNextCaretPosition(currentPos, LogicalDirection.Forward, CaretPositioningMode.Normal, true);
-            var textLine = visualLine.GetTextLine(currentPos);
-
-            Rect r;
-            if (currentPos < visualLine.VisualLength)
-            {
-                // If the caret is within the text, use GetTextBounds() for the text being overwritten.
-                // This is necessary to ensure the rectangle is calculated correctly in bidirectional text.
-                r = textLine.GetTextBounds(currentPos, nextPos - currentPos);
-                r = r.WithY(r.Y + visualLine.GetTextLineVisualYPosition(textLine, VisualYPosition.LineTop));
-            }
-            else
-            {
-                // If the caret is at the end of the line (or in virtual space),
-                // use the visual X position of currentPos and nextPos (one or more of which will be in virtual space)
-                var xPos = visualLine.GetTextLineVisualXPosition(textLine, currentPos);
-                var xPos2 = visualLine.GetTextLineVisualXPosition(textLine, nextPos);
-                var lineTop = visualLine.GetTextLineVisualYPosition(textLine, VisualYPosition.TextTop);
-                var lineBottom = visualLine.GetTextLineVisualYPosition(textLine, VisualYPosition.TextBottom);
-                r = new Rect(xPos, lineTop, xPos2 - xPos, lineBottom - lineTop);
-            }
-            // If the caret is too small (e.g. in front of zero-width character), ensure it's still visible
-            if (r.Width < CaretWidth)
-                r = r.WithWidth(CaretWidth);
-            return r;
-        }
+		Rect CalcCaretOverstrikeRectangle(VisualLine visualLine)
+		{
+			if (!_visualColumnValid) {
+				RevalidateVisualColumn(visualLine);
+			}
+
+			int currentPos = _position.VisualColumn;
+			// The text being overwritten in overstrike mode is everything up to the next normal caret stop
+			int nextPos = visualLine.GetNextCaretPosition(currentPos, LogicalDirection.Forward, CaretPositioningMode.Normal, true);
+			var textLine = visualLine.GetTextLine(currentPos);
+
+			Rect r;
+			if (currentPos < visualLine.VisualLength) {
+				// If the caret is within the text, use GetTextBounds() for the text being overwritten.
+				// This is necessary to ensure the rectangle is calculated correctly in bidirectional text.
+				var textBounds = textLine.GetTextBounds(currentPos, nextPos - currentPos)[0];
+				r = textBounds.Rectangle;
+				var y = r.Y + visualLine.GetTextLineVisualYPosition(textLine, VisualYPosition.LineTop);
+				r = r.WithY(y);
+			} else {
+				// If the caret is at the end of the line (or in virtual space),
+				// use the visual X position of currentPos and nextPos (one or more of which will be in virtual space)
+				double xPos = visualLine.GetTextLineVisualXPosition(textLine, currentPos);
+				double xPos2 = visualLine.GetTextLineVisualXPosition(textLine, nextPos);
+				double lineTop = visualLine.GetTextLineVisualYPosition(textLine, VisualYPosition.TextTop);
+				double lineBottom = visualLine.GetTextLineVisualYPosition(textLine, VisualYPosition.TextBottom);
+				r = new Rect(xPos, lineTop, xPos2 - xPos, lineBottom - lineTop);
+			}
+			// If the caret is too small (e.g. in front of zero-width character), ensure it's still visible
+			if (r.Width < CaretWidth)
+				r = r.WithWidth(CaretWidth);
+			return r;
+		}
 
         /// <summary>
         /// Returns the caret rectangle. The coordinate system is in device-independent pixels from the top of the document.

src/AvaloniaEdit/Editing/CaretNavigationCommandHandler.cs

@@ -22,10 +22,11 @@
 using Avalonia;
 using AvaloniaEdit.Document;
 using AvaloniaEdit.Rendering;
-using AvaloniaEdit.Text;
 using AvaloniaEdit.Utils;
 using Avalonia.Input;
 using Avalonia.Input.Platform;
+using Avalonia.Media.TextFormatting;
+using LogicalDirection = AvaloniaEdit.Document.LogicalDirection;
 
 namespace AvaloniaEdit.Editing
 {