Implement Quick Info styles

src/Compilers/Core/Portable/InternalUtilities/DocumentationCommentXmlNames.cs

@@ -37,6 +37,7 @@ internal static class DocumentationCommentXmlNames
  public const string ValueElementName = "value";
 
  public const string CrefAttributeName = "cref";
+ public const string HrefAttributeName = "href";
  public const string FileAttributeName = "file";
  public const string InstanceAttributeName = "instance";
  public const string LangwordAttributeName = "langword";

src/EditorFeatures/CSharpTest/QuickInfo/SyntacticQuickInfoSourceTests.cs

@@ -5,6 +5,7 @@
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.CSharp.QuickInfo;
+using Microsoft.CodeAnalysis.Editor.Host;
 using Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.QuickInfo;
 using Microsoft.CodeAnalysis.Editor.UnitTests.QuickInfo;
 using Microsoft.CodeAnalysis.Editor.UnitTests.Workspaces;
@@ -291,7 +292,8 @@ protected override async Task AssertContentIsAsync(
  Assert.NotEqual(0, info.RelatedSpans.Length);
 
  var trackingSpan = new Mock<ITrackingSpan>(MockBehavior.Strict);
- var quickInfoItem = await IntellisenseQuickInfoBuilder.BuildItemAsync(trackingSpan.Object, info, snapshot, document, CancellationToken.None);
+ var streamingPresenter = workspace.ExportProvider.GetExport<IStreamingFindUsagesPresenter>();
+ var quickInfoItem = await IntellisenseQuickInfoBuilder.BuildItemAsync(trackingSpan.Object, info, snapshot, document, streamingPresenter, CancellationToken.None);
  var containerElement = quickInfoItem.Item as ContainerElement;
 
  var textElements = containerElement.Elements.OfType<ClassifiedTextElement>();

src/EditorFeatures/Core/Implementation/DefaultNavigateToLinkService.cs

@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.Composition;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.CodeAnalysis.Host.Mef;
+using Roslyn.Utilities;
+
+namespace Microsoft.CodeAnalysis.Editor.Implementation
+{
+ [ExportWorkspaceService(typeof(INavigateToLinkService), layer: ServiceLayer.Default)]
+ [Shared]
+ internal sealed class DefaultNavigateToLinkService : INavigateToLinkService
+ {
+ [ImportingConstructor]
+ [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
+ public DefaultNavigateToLinkService()
+ {
+ }
+
+ public Task<bool> TryNavigateToLinkAsync(Uri uri, CancellationToken cancellationToken)
+ => SpecializedTasks.False;
+ }
+}

src/EditorFeatures/Core/Implementation/INavigateToLinkService.cs

@@ -0,0 +1,14 @@
+// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.CodeAnalysis.Host;
+
+namespace Microsoft.CodeAnalysis.Editor
+{
+ internal interface INavigateToLinkService : IWorkspaceService
+ {
+ Task<bool> TryNavigateToLinkAsync(Uri uri, CancellationToken cancellationToken);
+ }
+}

src/EditorFeatures/Core/Implementation/IntelliSense/AsyncCompletion/CompletionSource.cs

@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
@@ -8,6 +9,7 @@
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.Completion;
 using Microsoft.CodeAnalysis.Completion.Providers;
+using Microsoft.CodeAnalysis.Editor.Host;
 using Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.Completion;
 using Microsoft.CodeAnalysis.Editor.Shared.Extensions;
 using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
@@ -61,10 +63,13 @@ internal class CompletionSource : ForegroundThreadAffinitizedObject, IAsyncCompl
  private readonly ITextView _textView;
  private readonly bool _isDebuggerTextView;
  private readonly ImmutableHashSet<string> _roles;
+ private readonly Lazy<IStreamingFindUsagesPresenter> _streamingPresenter;
 
- internal CompletionSource(ITextView textView, IThreadingContext threadingContext) : base(threadingContext)
+ internal CompletionSource(ITextView textView, Lazy<IStreamingFindUsagesPresenter> streamingPresenter, IThreadingContext threadingContext)
+ : base(threadingContext)
  {
  _textView = textView;
+ _streamingPresenter = streamingPresenter;
  _isDebuggerTextView = textView is IDebuggerTextView;
  _roles = textView.Roles.ToImmutableHashSet();
  }
@@ -294,15 +299,14 @@ public async Task<object> GetDescriptionAsync(IAsyncCompletionSession session, V
  }
 
  var service = document.GetLanguageService<CompletionService>();
-
  if (service == null)
  {
  return null;
  }
 
  var description = await service.GetDescriptionAsync(document, roslynItem, cancellationToken).ConfigureAwait(false);
 
- var elements = IntelliSense.Helpers.BuildClassifiedTextElements(description.TaggedParts).ToArray();
+ var elements = IntelliSense.Helpers.BuildInteractiveTextElements(description.TaggedParts, document, _streamingPresenter).ToArray();
  if (elements.Length == 0)
  {
  return new ClassifiedTextElement();

src/EditorFeatures/Core/Implementation/IntelliSense/AsyncCompletion/CompletionSourceProvider.cs

@@ -2,6 +2,7 @@
 
 using System;
 using System.ComponentModel.Composition;
+using Microsoft.CodeAnalysis.Editor.Host;
 using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
 using Microsoft.CodeAnalysis.Host.Mef;
 using Microsoft.VisualStudio.Language.Intellisense.AsyncCompletion;
@@ -16,15 +17,19 @@ namespace Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.AsyncComplet
  internal class CompletionSourceProvider : IAsyncCompletionSourceProvider
  {
  private readonly IThreadingContext _threadingContext;
+ private readonly Lazy<IStreamingFindUsagesPresenter> _streamingPresenter;
 
  [ImportingConstructor]
  [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
- public CompletionSourceProvider(IThreadingContext threadingContext)
+ public CompletionSourceProvider(
+ IThreadingContext threadingContext,
+ Lazy<IStreamingFindUsagesPresenter> streamingPresenter)
  {
  _threadingContext = threadingContext;
+ _streamingPresenter = streamingPresenter;
  }
 
  public IAsyncCompletionSource GetOrCreate(ITextView textView)
- => new CompletionSource(textView, _threadingContext);
+ => new CompletionSource(textView, _streamingPresenter, _threadingContext);
  }
 }

src/EditorFeatures/Core/Implementation/IntelliSense/Helpers.cs

@@ -1,27 +1,87 @@
 // Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
+using System.Linq;
+using System.Threading;
+using Microsoft.CodeAnalysis.Classification;
+using Microsoft.CodeAnalysis.Editor.GoToDefinition;
+using Microsoft.CodeAnalysis.Editor.Host;
 using Microsoft.VisualStudio.Text.Adornments;
 using Roslyn.Utilities;
 
 namespace Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense
 {
  internal static class Helpers
  {
- internal static IEnumerable<object> BuildClassifiedTextElements(ImmutableArray<TaggedText> taggedTexts)
+ internal static IReadOnlyCollection<object> BuildInteractiveTextElements(ImmutableArray<TaggedText> taggedTexts, Document document, Lazy<IStreamingFindUsagesPresenter> streamingPresenter)
+ {
+ var index = 0;
+ return BuildInteractiveTextElements(taggedTexts, ref index, document, streamingPresenter);
+ }
+
+ private static IReadOnlyCollection<object> BuildInteractiveTextElements(ImmutableArray<TaggedText> taggedTexts, ref int index, Document document, Lazy<IStreamingFindUsagesPresenter> streamingPresenter)
  {
  // This method produces a sequence of zero or more paragraphs
  var paragraphs = new List<object>();
 
  // Each paragraph is constructed from one or more lines
- var currentParagraph = new List<ClassifiedTextElement>();
+ var currentParagraph = new List<object>();
 
  // Each line is constructed from one or more inline elements
  var currentRuns = new List<ClassifiedTextRun>();
 
- foreach (var part in taggedTexts)
+ while (index < taggedTexts.Length)
  {
+ var part = taggedTexts[index];
+ if (part.Tag == TextTags.ContainerStart)
+ {
+ if (currentRuns.Count > 0)
+ {
+ // This line break means the end of a line within a paragraph.
+ currentParagraph.Add(new ClassifiedTextElement(currentRuns));
+ currentRuns.Clear();
+ }
+
+ index++;
+ var nestedElements = BuildInteractiveTextElements(taggedTexts, ref index, document, streamingPresenter);
+ if (nestedElements.Count <= 1)
+ {
+ currentParagraph.Add(new ContainerElement(
+ ContainerElementStyle.Wrapped,
+ new ClassifiedTextElement(new ClassifiedTextRun(ClassificationTypeNames.Text, part.Text)),
+ new ContainerElement(ContainerElementStyle.Stacked, nestedElements)));
+ }
+ else
+ {
+ currentParagraph.Add(new ContainerElement(
+ ContainerElementStyle.Wrapped,
+ new ClassifiedTextElement(new ClassifiedTextRun(ClassificationTypeNames.Text, part.Text)),
+ new ContainerElement(
+ ContainerElementStyle.Stacked,
+ nestedElements.First(),
+ new ContainerElement(
+ ContainerElementStyle.Stacked | ContainerElementStyle.VerticalPadding,
+ nestedElements.Skip(1)))));
+ }
+
+ index++;
+ continue;
+ }
+ else if (part.Tag == TextTags.ContainerEnd)
+ {
+ // Return the current result and let the caller continue
+ break;
+ }
+
+ if (part.Tag == TextTags.ContainerStart
+ || part.Tag == TextTags.ContainerEnd)
+ {
+ index++;
+ continue;
+ }
+
  if (part.Tag == TextTags.LineBreak)
  {
  if (currentRuns.Count > 0)
@@ -53,8 +113,20 @@ internal static IEnumerable<object> BuildClassifiedTextElements(ImmutableArray<T
  else
  {
  // This is tagged text getting added to the current line we are building.
- currentRuns.Add(new ClassifiedTextRun(part.Tag.ToClassificationTypeName(), part.Text));
+ var style = GetClassifiedTextRunStyle(part.Style);
+ if (part.NavigationTarget is object)
+ {
+ var target = part.NavigationTarget;
+ var tooltip = part.NavigationHint;
+ currentRuns.Add(new ClassifiedTextRun(part.Tag.ToClassificationTypeName(), part.Text, () => NavigateToQuickInfoTarget(target, document, streamingPresenter.Value), tooltip, style));
+ }
+ else
+ {
+ currentRuns.Add(new ClassifiedTextRun(part.Tag.ToClassificationTypeName(), part.Text, style));
+ }
  }
+
+ index++;
  }
 
  if (currentRuns.Count > 0)
@@ -72,7 +144,60 @@ internal static IEnumerable<object> BuildClassifiedTextElements(ImmutableArray<T
  return paragraphs;
  }
 
- internal static object CreateParagraphFromLines(IReadOnlyList<ClassifiedTextElement> lines)
+ private static void NavigateToQuickInfoTarget(string navigationTarget, Document document, IStreamingFindUsagesPresenter streamingPresenter)
+ {
+ var navigateToLinkService = document.Project.Solution.Workspace.Services.GetRequiredService<INavigateToLinkService>();
+ if (Uri.TryCreate(navigationTarget, UriKind.Absolute, out var absoluteUri))
+ {
+ navigateToLinkService.TryNavigateToLinkAsync(absoluteUri, CancellationToken.None);
+ return;
+ }
+
+ SymbolKeyResolution resolvedSymbolKey;
+ try
+ {
+ resolvedSymbolKey = SymbolKey.ResolveString(navigationTarget, document.Project.GetCompilationAsync(CancellationToken.None).WaitAndGetResult(CancellationToken.None), cancellationToken: CancellationToken.None);
+ }
+ catch
+ {
+ // Ignore symbol resolution failures. It likely is just a badly formed URI.
+ return;
+ }
+
+ if (resolvedSymbolKey.GetAnySymbol() is { } symbol)
+ {
+ GoToDefinitionHelpers.TryGoToDefinition(symbol, document.Project, streamingPresenter, CancellationToken.None);
+ return;
+ }
+ }
+
+ private static ClassifiedTextRunStyle GetClassifiedTextRunStyle(TaggedTextStyle style)
+ {
+ var result = ClassifiedTextRunStyle.Plain;
+ if ((style & TaggedTextStyle.Emphasis) == TaggedTextStyle.Emphasis)
+ {
+ result |= ClassifiedTextRunStyle.Italic;
+ }
+
+ if ((style & TaggedTextStyle.Strong) == TaggedTextStyle.Strong)
+ {
+ result |= ClassifiedTextRunStyle.Bold;
+ }
+
+ if ((style & TaggedTextStyle.Underline) == TaggedTextStyle.Underline)
+ {
+ result |= ClassifiedTextRunStyle.Underline;
+ }
+
+ if ((style & TaggedTextStyle.Code) == TaggedTextStyle.Code)
+ {
+ result |= ClassifiedTextRunStyle.UseClassificationFont;
+ }
+
+ return result;
+ }
+
+ internal static object CreateParagraphFromLines(IReadOnlyList<object> lines)
  {
  Contract.ThrowIfFalse(lines.Count > 0);
 

src/EditorFeatures/Core/Implementation/IntelliSense/QuickInfo/IntellisenseQuickInfoBuilder.cs

@@ -1,11 +1,13 @@
 // Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.Classification;
+using Microsoft.CodeAnalysis.Editor.Host;
 using Microsoft.CodeAnalysis.Editor.Shared.Extensions;
 using Microsoft.CodeAnalysis.Formatting;
 using Microsoft.CodeAnalysis.QuickInfo;
@@ -24,6 +26,7 @@ internal static async Task<IntellisenseQuickInfoItem> BuildItemAsync(ITrackingSp
  CodeAnalysisQuickInfoItem quickInfoItem,
  ITextSnapshot snapshot,
  Document document,
+ Lazy<IStreamingFindUsagesPresenter> streamingPresenter,
  CancellationToken cancellationToken)
  {
  // Build the first line of QuickInfo item, the images and the Description section should be on the first line with Wrapped style
@@ -46,7 +49,7 @@ internal static async Task<IntellisenseQuickInfoItem> BuildItemAsync(ITrackingSp
  if (descSection != null)
  {
  var isFirstElement = true;
- foreach (var element in Helpers.BuildClassifiedTextElements(descSection.TaggedParts))
+ foreach (var element in Helpers.BuildInteractiveTextElements(descSection.TaggedParts, document, streamingPresenter))
  {
  if (isFirstElement)
  {
@@ -68,7 +71,7 @@ internal static async Task<IntellisenseQuickInfoItem> BuildItemAsync(ITrackingSp
  if (documentationCommentSection != null)
  {
  var isFirstElement = true;
- foreach (var element in Helpers.BuildClassifiedTextElements(documentationCommentSection.TaggedParts))
+ foreach (var element in Helpers.BuildInteractiveTextElements(documentationCommentSection.TaggedParts, document, streamingPresenter))
  {
  if (isFirstElement)
  {
@@ -92,7 +95,7 @@ internal static async Task<IntellisenseQuickInfoItem> BuildItemAsync(ITrackingSp
  // Add the remaining sections as Stacked style
  elements.AddRange(
  quickInfoItem.Sections.Where(s => s.Kind != QuickInfoSectionKinds.Description && s.Kind != QuickInfoSectionKinds.DocumentationComments)
- .SelectMany(s => Helpers.BuildClassifiedTextElements(s.TaggedParts)));
+ .SelectMany(s => Helpers.BuildInteractiveTextElements(s.TaggedParts, document, streamingPresenter)));
 
  // build text for RelatedSpan
  if (quickInfoItem.RelatedSpans.Any())
@@ -107,7 +110,7 @@ internal static async Task<IntellisenseQuickInfoItem> BuildItemAsync(ITrackingSp
  var tabSize = document.Project.Solution.Workspace.Options.GetOption(FormattingOptions.TabSize, document.Project.Language);
  var text = await document.GetTextAsync().ConfigureAwait(false);
  var spans = IndentationHelper.GetSpansWithAlignedIndentation(text, classifiedSpanList.ToImmutableArray(), tabSize);
- var textRuns = spans.Select(s => new ClassifiedTextRun(s.ClassificationType, snapshot.GetText(s.TextSpan.ToSpan())));
+ var textRuns = spans.Select(s => new ClassifiedTextRun(s.ClassificationType, snapshot.GetText(s.TextSpan.ToSpan()), ClassifiedTextRunStyle.UseClassificationFont));
 
  if (textRuns.Any())
  {