robloo
4 years ago
committed by
GitHub
GitHub
35 changed files with 1331 additions and 278 deletions
@ -0,0 +1,48 @@ |
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# Starter pipeline |
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# Start with a minimal pipeline that you can customize to build and deploy your code. |
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# Add steps that build, run tests, deploy, and more: |
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# https://aka.ms/yaml |
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trigger: |
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- master |
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jobs: |
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- job: Mac |
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pool: |
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name: 'AvaloniaMacPool' |
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steps: |
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- script: ./tests/Avalonia.IntegrationTests.Appium/macos-clean-build-test.sh |
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displayName: 'run integration tests' |
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- job: Windows |
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pool: |
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vmImage: 'windows-2022' |
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steps: |
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- task: UseDotNet@2 |
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displayName: 'Use .NET Core SDK 6.0.202' |
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inputs: |
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version: 6.0.202 |
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- task: Windows Application Driver@0 |
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inputs: |
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OperationType: 'Start' |
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AgentResolution: '4K' |
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displayName: 'Start WinAppDriver' |
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- task: DotNetCoreCLI@2 |
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inputs: |
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command: 'build' |
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projects: 'samples/IntegrationTestApp/IntegrationTestApp.csproj' |
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- task: DotNetCoreCLI@2 |
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inputs: |
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command: 'test' |
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projects: 'tests/Avalonia.IntegrationTests.Appium/Avalonia.IntegrationTests.Appium.csproj' |
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- task: Windows Application Driver@0 |
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inputs: |
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OperationType: 'Stop' |
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displayName: 'Stop WinAppDriver' |
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@ -0,0 +1,14 @@ |
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namespace Avalonia.Controls |
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{ |
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/// <summary>
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/// Internal interface for listening to changes in <see cref="Classes"/> in a more
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/// performant manner than subscribing to CollectionChanged.
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/// </summary>
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internal interface IClassesChangedListener |
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{ |
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/// <summary>
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/// Notifies the listener that the <see cref="Classes"/> collection has changed.
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/// </summary>
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void Changed(); |
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} |
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} |
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@ -0,0 +1,574 @@ |
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using Avalonia.Controls.Documents; |
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using Avalonia.Controls.Utils; |
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using Avalonia.Input; |
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using Avalonia.Input.Platform; |
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using Avalonia.Interactivity; |
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using Avalonia.Media; |
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using Avalonia.Media.TextFormatting; |
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using Avalonia.Metadata; |
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using Avalonia.Utilities; |
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namespace Avalonia.Controls |
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{ |
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/// <summary>
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/// A control that displays a block of formatted text.
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/// </summary>
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public class RichTextBlock : TextBlock, IInlineHost |
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{ |
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public static readonly StyledProperty<bool> IsTextSelectionEnabledProperty = |
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AvaloniaProperty.Register<RichTextBlock, bool>(nameof(IsTextSelectionEnabled), false); |
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public static readonly DirectProperty<RichTextBlock, int> SelectionStartProperty = |
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AvaloniaProperty.RegisterDirect<RichTextBlock, int>( |
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nameof(SelectionStart), |
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o => o.SelectionStart, |
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(o, v) => o.SelectionStart = v); |
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public static readonly DirectProperty<RichTextBlock, int> SelectionEndProperty = |
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AvaloniaProperty.RegisterDirect<RichTextBlock, int>( |
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nameof(SelectionEnd), |
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o => o.SelectionEnd, |
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(o, v) => o.SelectionEnd = v); |
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public static readonly DirectProperty<RichTextBlock, string> SelectedTextProperty = |
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AvaloniaProperty.RegisterDirect<RichTextBlock, string>( |
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nameof(SelectedText), |
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o => o.SelectedText); |
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public static readonly StyledProperty<IBrush?> SelectionBrushProperty = |
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AvaloniaProperty.Register<RichTextBlock, IBrush?>(nameof(SelectionBrush), Brushes.Blue); |
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public static readonly StyledProperty<IBrush?> SelectionForegroundBrushProperty = |
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AvaloniaProperty.Register<RichTextBlock, IBrush?>(nameof(SelectionForegroundBrush)); |
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/// <summary>
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/// Defines the <see cref="Inlines"/> property.
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/// </summary>
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public static readonly StyledProperty<InlineCollection> InlinesProperty = |
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AvaloniaProperty.Register<RichTextBlock, InlineCollection>( |
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nameof(Inlines)); |
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public static readonly DirectProperty<TextBox, bool> CanCopyProperty = |
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AvaloniaProperty.RegisterDirect<TextBox, bool>( |
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nameof(CanCopy), |
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o => o.CanCopy); |
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public static readonly RoutedEvent<RoutedEventArgs> CopyingToClipboardEvent = |
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RoutedEvent.Register<RichTextBlock, RoutedEventArgs>( |
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nameof(CopyingToClipboard), RoutingStrategies.Bubble); |
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private bool _canCopy; |
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private int _selectionStart; |
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private int _selectionEnd; |
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static RichTextBlock() |
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{ |
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FocusableProperty.OverrideDefaultValue(typeof(RichTextBlock), true); |
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AffectsRender<RichTextBlock>(SelectionStartProperty, SelectionEndProperty, SelectionForegroundBrushProperty, SelectionBrushProperty); |
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} |
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public RichTextBlock() |
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{ |
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Inlines = new InlineCollection |
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{ |
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Parent = this, |
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InlineHost = this |
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}; |
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} |
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/// <summary>
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/// Gets or sets the brush that highlights selected text.
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/// </summary>
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public IBrush? SelectionBrush |
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{ |
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get => GetValue(SelectionBrushProperty); |
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set => SetValue(SelectionBrushProperty, value); |
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} |
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/// <summary>
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/// Gets or sets a value that defines the brush used for selected text.
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/// </summary>
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public IBrush? SelectionForegroundBrush |
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{ |
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get => GetValue(SelectionForegroundBrushProperty); |
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set => SetValue(SelectionForegroundBrushProperty, value); |
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} |
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/// <summary>
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/// Gets or sets a character index for the beginning of the current selection.
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/// </summary>
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public int SelectionStart |
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{ |
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get => _selectionStart; |
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set |
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{ |
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if (SetAndRaise(SelectionStartProperty, ref _selectionStart, value)) |
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{ |
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RaisePropertyChanged(SelectedTextProperty, "", ""); |
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} |
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} |
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} |
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/// <summary>
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/// Gets or sets a character index for the end of the current selection.
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/// </summary>
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public int SelectionEnd |
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{ |
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get => _selectionEnd; |
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set |
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{ |
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if (SetAndRaise(SelectionEndProperty, ref _selectionEnd, value)) |
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{ |
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RaisePropertyChanged(SelectedTextProperty, "", ""); |
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} |
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} |
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} |
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/// <summary>
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/// Gets the content of the current selection.
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/// </summary>
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public string SelectedText |
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{ |
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get => GetSelection(); |
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} |
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/// <summary>
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/// Gets or sets a value that indicates whether text selection is enabled, either through user action or calling selection-related API.
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/// </summary>
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public bool IsTextSelectionEnabled |
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{ |
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get => GetValue(IsTextSelectionEnabledProperty); |
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set => SetValue(IsTextSelectionEnabledProperty, value); |
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} |
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/// <summary>
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/// Gets or sets the inlines.
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/// </summary>
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[Content] |
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public InlineCollection Inlines |
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{ |
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get => GetValue(InlinesProperty); |
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set => SetValue(InlinesProperty, value); |
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} |
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/// <summary>
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/// Property for determining if the Copy command can be executed.
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/// </summary>
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public bool CanCopy |
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{ |
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get => _canCopy; |
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private set => SetAndRaise(CanCopyProperty, ref _canCopy, value); |
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} |
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public event EventHandler<RoutedEventArgs>? CopyingToClipboard |
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{ |
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add => AddHandler(CopyingToClipboardEvent, value); |
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remove => RemoveHandler(CopyingToClipboardEvent, value); |
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} |
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/// <summary>
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/// Copies the current selection to the Clipboard.
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/// </summary>
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public async void Copy() |
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{ |
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if (_canCopy || !IsTextSelectionEnabled) |
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{ |
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return; |
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} |
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var text = GetSelection(); |
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if (string.IsNullOrEmpty(text)) |
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{ |
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return; |
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} |
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var eventArgs = new RoutedEventArgs(CopyingToClipboardEvent); |
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RaiseEvent(eventArgs); |
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if (!eventArgs.Handled) |
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{ |
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await ((IClipboard)AvaloniaLocator.Current.GetRequiredService(typeof(IClipboard))) |
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.SetTextAsync(text); |
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} |
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} |
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public override void Render(DrawingContext context) |
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{ |
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var selectionStart = SelectionStart; |
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var selectionEnd = SelectionEnd; |
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var selectionBrush = SelectionBrush; |
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var selectionEnabled = IsTextSelectionEnabled; |
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if (selectionEnabled && selectionStart != selectionEnd && selectionBrush != null) |
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{ |
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var start = Math.Min(selectionStart, selectionEnd); |
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var length = Math.Max(selectionStart, selectionEnd) - start; |
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var rects = TextLayout.HitTestTextRange(start, length); |
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foreach (var rect in rects) |
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{ |
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context.FillRectangle(selectionBrush, PixelRect.FromRect(rect, 1).ToRect(1)); |
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} |
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} |
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base.Render(context); |
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} |
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/// <summary>
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/// Select all text in the TextBox
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/// </summary>
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public void SelectAll() |
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{ |
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if (!IsTextSelectionEnabled) |
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{ |
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return; |
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} |
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var text = Text; |
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SelectionStart = 0; |
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SelectionEnd = text?.Length ?? 0; |
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} |
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/// <summary>
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/// Clears the current selection/>
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/// </summary>
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public void ClearSelection() |
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{ |
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if (!IsTextSelectionEnabled) |
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{ |
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return; |
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} |
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SelectionEnd = SelectionStart; |
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} |
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protected override string? GetText() |
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{ |
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return _text ?? Inlines.Text; |
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} |
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protected override void SetText(string? text) |
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{ |
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var oldValue = _text ?? Inlines?.Text; |
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if (Inlines is not null && Inlines.HasComplexContent) |
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{ |
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Inlines.Text = text; |
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_text = null; |
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} |
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else |
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{ |
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_text = text; |
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} |
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RaisePropertyChanged(TextProperty, oldValue, text); |
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} |
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/// <summary>
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/// Creates the <see cref="TextLayout"/> used to render the text.
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/// </summary>
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/// <returns>A <see cref="TextLayout"/> object.</returns>
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protected override TextLayout CreateTextLayout(string? text) |
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{ |
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var defaultProperties = new GenericTextRunProperties( |
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new Typeface(FontFamily, FontStyle, FontWeight, FontStretch), |
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FontSize, |
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TextDecorations, |
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Foreground); |
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var paragraphProperties = new GenericTextParagraphProperties(FlowDirection, TextAlignment, true, false, |
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defaultProperties, TextWrapping, LineHeight, 0); |
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ITextSource textSource; |
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var inlines = Inlines; |
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if (inlines is not null && inlines.HasComplexContent) |
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{ |
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var textRuns = new List<TextRun>(); |
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foreach (var inline in inlines) |
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{ |
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inline.BuildTextRun(textRuns); |
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} |
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textSource = new InlinesTextSource(textRuns); |
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} |
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else |
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{ |
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textSource = new SimpleTextSource((text ?? "").AsMemory(), defaultProperties); |
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} |
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return new TextLayout( |
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textSource, |
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paragraphProperties, |
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TextTrimming, |
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_constraint.Width, |
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_constraint.Height, |
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maxLines: MaxLines, |
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lineHeight: LineHeight); |
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} |
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protected override void OnLostFocus(RoutedEventArgs e) |
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{ |
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base.OnLostFocus(e); |
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ClearSelection(); |
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} |
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protected override void OnKeyDown(KeyEventArgs e) |
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{ |
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var handled = false; |
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var modifiers = e.KeyModifiers; |
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var keymap = AvaloniaLocator.Current.GetRequiredService<PlatformHotkeyConfiguration>(); |
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bool Match(List<KeyGesture> gestures) => gestures.Any(g => g.Matches(e)); |
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if (Match(keymap.Copy)) |
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{ |
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Copy(); |
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handled = true; |
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} |
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e.Handled = handled; |
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} |
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protected override void OnPointerPressed(PointerPressedEventArgs e) |
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{ |
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if (!IsTextSelectionEnabled) |
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{ |
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return; |
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} |
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var text = Text; |
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var clickInfo = e.GetCurrentPoint(this); |
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if (text != null && clickInfo.Properties.IsLeftButtonPressed) |
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{ |
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var point = e.GetPosition(this); |
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var clickToSelect = e.KeyModifiers.HasFlag(KeyModifiers.Shift); |
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var oldIndex = SelectionStart; |
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var hit = TextLayout.HitTestPoint(point); |
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var index = hit.TextPosition; |
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SelectionStart = SelectionEnd = index; |
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#pragma warning disable CS0618 // Type or member is obsolete
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switch (e.ClickCount) |
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#pragma warning restore CS0618 // Type or member is obsolete
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{ |
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case 1: |
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if (clickToSelect) |
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{ |
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SelectionStart = Math.Min(oldIndex, index); |
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SelectionEnd = Math.Max(oldIndex, index); |
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} |
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else |
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{ |
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SelectionStart = SelectionEnd = index; |
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} |
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break; |
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case 2: |
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if (!StringUtils.IsStartOfWord(text, index)) |
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{ |
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SelectionStart = StringUtils.PreviousWord(text, index); |
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} |
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SelectionEnd = StringUtils.NextWord(text, index); |
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break; |
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case 3: |
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SelectAll(); |
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break; |
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} |
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} |
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e.Pointer.Capture(this); |
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e.Handled = true; |
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} |
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protected override void OnPointerMoved(PointerEventArgs e) |
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{ |
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if (!IsTextSelectionEnabled) |
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{ |
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return; |
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} |
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// selection should not change during pointer move if the user right clicks
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if (e.Pointer.Captured == this && e.GetCurrentPoint(this).Properties.IsLeftButtonPressed) |
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{ |
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var point = e.GetPosition(this); |
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point = new Point( |
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MathUtilities.Clamp(point.X, 0, Math.Max(Bounds.Width - 1, 0)), |
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MathUtilities.Clamp(point.Y, 0, Math.Max(Bounds.Height - 1, 0))); |
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var hit = TextLayout.HitTestPoint(point); |
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SelectionEnd = hit.TextPosition; |
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} |
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} |
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protected override void OnPointerReleased(PointerReleasedEventArgs e) |
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{ |
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if (!IsTextSelectionEnabled) |
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{ |
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return; |
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} |
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|
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if (e.Pointer.Captured != this) |
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{ |
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return; |
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} |
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if (e.InitialPressMouseButton == MouseButton.Right) |
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{ |
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var point = e.GetPosition(this); |
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var hit = TextLayout.HitTestPoint(point); |
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var caretIndex = hit.TextPosition; |
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// see if mouse clicked inside current selection
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// if it did not, we change the selection to where the user clicked
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|
var firstSelection = Math.Min(SelectionStart, SelectionEnd); |
||||
|
var lastSelection = Math.Max(SelectionStart, SelectionEnd); |
||||
|
var didClickInSelection = SelectionStart != SelectionEnd && |
||||
|
caretIndex >= firstSelection && caretIndex <= lastSelection; |
||||
|
if (!didClickInSelection) |
||||
|
{ |
||||
|
SelectionStart = SelectionEnd = caretIndex; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
e.Pointer.Capture(null); |
||||
|
} |
||||
|
|
||||
|
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change) |
||||
|
{ |
||||
|
base.OnPropertyChanged(change); |
||||
|
|
||||
|
switch (change.Property.Name) |
||||
|
{ |
||||
|
case nameof(InlinesProperty): |
||||
|
{ |
||||
|
OnInlinesChanged(change.OldValue as InlineCollection, change.NewValue as InlineCollection); |
||||
|
InvalidateTextLayout(); |
||||
|
break; |
||||
|
} |
||||
|
case nameof(TextProperty): |
||||
|
{ |
||||
|
InvalidateTextLayout(); |
||||
|
break; |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
private string GetSelection() |
||||
|
{ |
||||
|
if (!IsTextSelectionEnabled) |
||||
|
{ |
||||
|
return ""; |
||||
|
} |
||||
|
|
||||
|
var text = Inlines.Text ?? Text; |
||||
|
|
||||
|
if (string.IsNullOrEmpty(text)) |
||||
|
{ |
||||
|
return ""; |
||||
|
} |
||||
|
|
||||
|
var selectionStart = SelectionStart; |
||||
|
var selectionEnd = SelectionEnd; |
||||
|
var start = Math.Min(selectionStart, selectionEnd); |
||||
|
var end = Math.Max(selectionStart, selectionEnd); |
||||
|
|
||||
|
if (start == end || text.Length < end) |
||||
|
{ |
||||
|
return ""; |
||||
|
} |
||||
|
|
||||
|
var length = Math.Max(0, end - start); |
||||
|
|
||||
|
var selectedText = text.Substring(start, length); |
||||
|
|
||||
|
return selectedText; |
||||
|
} |
||||
|
|
||||
|
private void OnInlinesChanged(InlineCollection? oldValue, InlineCollection? newValue) |
||||
|
{ |
||||
|
if (oldValue is not null) |
||||
|
{ |
||||
|
oldValue.Parent = null; |
||||
|
oldValue.InlineHost = null; |
||||
|
oldValue.Invalidated -= (s, e) => InvalidateTextLayout(); |
||||
|
} |
||||
|
|
||||
|
if (newValue is not null) |
||||
|
{ |
||||
|
newValue.Parent = this; |
||||
|
newValue.InlineHost = this; |
||||
|
newValue.Invalidated += (s, e) => InvalidateTextLayout(); |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
void IInlineHost.AddVisualChild(IControl child) |
||||
|
{ |
||||
|
if (child.VisualParent == null) |
||||
|
{ |
||||
|
VisualChildren.Add(child); |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
void IInlineHost.Invalidate() |
||||
|
{ |
||||
|
InvalidateTextLayout(); |
||||
|
} |
||||
|
|
||||
|
private readonly struct InlinesTextSource : ITextSource |
||||
|
{ |
||||
|
private readonly IReadOnlyList<TextRun> _textRuns; |
||||
|
|
||||
|
public InlinesTextSource(IReadOnlyList<TextRun> textRuns) |
||||
|
{ |
||||
|
_textRuns = textRuns; |
||||
|
} |
||||
|
|
||||
|
public TextRun? GetTextRun(int textSourceIndex) |
||||
|
{ |
||||
|
var currentPosition = 0; |
||||
|
|
||||
|
foreach (var textRun in _textRuns) |
||||
|
{ |
||||
|
if (textRun.TextSourceLength == 0) |
||||
|
{ |
||||
|
continue; |
||||
|
} |
||||
|
|
||||
|
if (currentPosition >= textSourceIndex) |
||||
|
{ |
||||
|
return textRun; |
||||
|
} |
||||
|
|
||||
|
currentPosition += textRun.TextSourceLength; |
||||
|
} |
||||
|
|
||||
|
return null; |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
} |
||||
@ -0,0 +1,85 @@ |
|||||
|
using System.Collections.Generic; |
||||
|
using System.Runtime.CompilerServices; |
||||
|
using Avalonia.Controls; |
||||
|
using Avalonia.Styling; |
||||
|
using BenchmarkDotNet.Attributes; |
||||
|
|
||||
|
#nullable enable |
||||
|
|
||||
|
namespace Avalonia.Benchmarks.Styling |
||||
|
{ |
||||
|
[MemoryDiagnoser] |
||||
|
public class Style_ClassSelector |
||||
|
{ |
||||
|
private Style _style = null!; |
||||
|
|
||||
|
public Style_ClassSelector() |
||||
|
{ |
||||
|
RuntimeHelpers.RunClassConstructor(typeof(TestClass).TypeHandle); |
||||
|
} |
||||
|
|
||||
|
[GlobalSetup] |
||||
|
public void Setup() |
||||
|
{ |
||||
|
_style = new Style(x => x.OfType<TestClass>().Class("foo")) |
||||
|
{ |
||||
|
Setters = { new Setter(TestClass.StringProperty, "foo") } |
||||
|
}; |
||||
|
} |
||||
|
|
||||
|
[Benchmark(OperationsPerInvoke = 50)] |
||||
|
public void Apply() |
||||
|
{ |
||||
|
var target = new TestClass(); |
||||
|
|
||||
|
target.BeginBatchUpdate(); |
||||
|
|
||||
|
for (var i = 0; i < 50; ++i) |
||||
|
_style.TryAttach(target, null); |
||||
|
|
||||
|
target.EndBatchUpdate(); |
||||
|
} |
||||
|
|
||||
|
[Benchmark(OperationsPerInvoke = 50)] |
||||
|
public void Apply_Toggle() |
||||
|
{ |
||||
|
var target = new TestClass(); |
||||
|
|
||||
|
target.BeginBatchUpdate(); |
||||
|
|
||||
|
for (var i = 0; i < 50; ++i) |
||||
|
_style.TryAttach(target, null); |
||||
|
|
||||
|
target.EndBatchUpdate(); |
||||
|
|
||||
|
target.Classes.Add("foo"); |
||||
|
target.Classes.Remove("foo"); |
||||
|
} |
||||
|
|
||||
|
[Benchmark(OperationsPerInvoke = 50)] |
||||
|
public void Apply_Detach() |
||||
|
{ |
||||
|
var target = new TestClass(); |
||||
|
|
||||
|
target.BeginBatchUpdate(); |
||||
|
|
||||
|
for (var i = 0; i < 50; ++i) |
||||
|
_style.TryAttach(target, null); |
||||
|
|
||||
|
target.EndBatchUpdate(); |
||||
|
|
||||
|
target.DetachStyles(); |
||||
|
} |
||||
|
|
||||
|
private class TestClass : Control |
||||
|
{ |
||||
|
public static readonly StyledProperty<string?> StringProperty = |
||||
|
AvaloniaProperty.Register<TestClass, string?>("String"); |
||||
|
public void DetachStyles() => InvalidateStyles(); |
||||
|
} |
||||
|
|
||||
|
private class TestClass2 : Control |
||||
|
{ |
||||
|
} |
||||
|
} |
||||
|
} |
||||
@ -0,0 +1,52 @@ |
|||||
|
using Avalonia.Controls.Documents; |
||||
|
using Avalonia.Media; |
||||
|
using Avalonia.UnitTests; |
||||
|
using Xunit; |
||||
|
|
||||
|
namespace Avalonia.Controls.UnitTests |
||||
|
{ |
||||
|
public class RichTextBlockTests |
||||
|
{ |
||||
|
[Fact] |
||||
|
public void Changing_InlinesCollection_Should_Invalidate_Measure() |
||||
|
{ |
||||
|
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface)) |
||||
|
{ |
||||
|
var target = new RichTextBlock(); |
||||
|
|
||||
|
target.Measure(Size.Infinity); |
||||
|
|
||||
|
Assert.True(target.IsMeasureValid); |
||||
|
|
||||
|
target.Inlines.Add(new Run("Hello")); |
||||
|
|
||||
|
Assert.False(target.IsMeasureValid); |
||||
|
|
||||
|
target.Measure(Size.Infinity); |
||||
|
|
||||
|
Assert.True(target.IsMeasureValid); |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
[Fact] |
||||
|
public void Changing_Inlines_Properties_Should_Invalidate_Measure() |
||||
|
{ |
||||
|
using (UnitTestApplication.Start(TestServices.MockPlatformRenderInterface)) |
||||
|
{ |
||||
|
var target = new RichTextBlock(); |
||||
|
|
||||
|
var inline = new Run("Hello"); |
||||
|
|
||||
|
target.Inlines.Add(inline); |
||||
|
|
||||
|
target.Measure(Size.Infinity); |
||||
|
|
||||
|
Assert.True(target.IsMeasureValid); |
||||
|
|
||||
|
inline.Foreground = Brushes.Green; |
||||
|
|
||||
|
Assert.False(target.IsMeasureValid); |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
} |
||||
Loading…
Reference in new issue