go to usage/declaration

src/SharpIDE.Godot/Features/SymbolLookup/SymbolUsageComponent.cs

@@ -0,0 +1,53 @@
+using Godot;
+using Microsoft.CodeAnalysis.FindSymbols;
+using SharpIDE.Application.Features.Analysis;
+using SharpIDE.Application.Features.SolutionDiscovery;
+
+namespace SharpIDE.Godot.Features.SymbolLookup;
+
+public partial class SymbolUsageComponent : MarginContainer
+{
+    private Label _enclosingSymbolLabel = null!;
+    private Label _fileNameLabel = null!;
+    private Label _lineNumberLabel = null!;
+    private Button _button = null!;
+    
+    public SymbolLookupPopup ParentSearchWindow { get; set; } = null!;
+    public ReferenceLocation? Location { get; set; }
+    public SharpIdeFile File { get; set; } = null!;
+
+    [Inject] private readonly RoslynAnalysis _roslynAnalysis = null!;
+    
+    public override void _Ready()
+    {
+        _button = GetNode<Button>("Button");
+        _enclosingSymbolLabel = GetNode<Label>("%EnclosingSymbolLabel");
+        _fileNameLabel = GetNode<Label>("%FileNameLabel");
+        _lineNumberLabel = GetNode<Label>("%LineNumberLabel");
+        SetValue(Location);
+        _button.Pressed += OnButtonPressed;
+    }
+
+    private void OnButtonPressed()
+    {
+        var mappedLineSpan = Location!.Value.Location.GetMappedLineSpan();
+        var fileLinePosition = new SharpIdeFileLinePosition { Line = mappedLineSpan.StartLinePosition.Line, Column = mappedLineSpan.StartLinePosition.Character };
+        GodotGlobalEvents.Instance.FileExternallySelected.InvokeParallelFireAndForget(File, fileLinePosition);
+        ParentSearchWindow.Hide();
+    }
+
+    private void SetValue(ReferenceLocation? result)
+    {
+        if (result is null) return;
+        var mappedLineSpan = result.Value.Location.GetMappedLineSpan();
+        
+        _fileNameLabel.Text = File.Name;
+        _lineNumberLabel.Text = (mappedLineSpan.StartLinePosition.Line + 1).ToString();
+
+        _ = Task.GodotRun(async () =>
+        {
+            var enclosingSymbol = await _roslynAnalysis.GetEnclosingSymbolForReferenceLocation(result.Value);
+            await this.InvokeAsync(() => _enclosingSymbolLabel.Text = enclosingSymbol?.Name);
+        });
+    }
+}