Files
SharpIDE/src/SharpIDE.Godot/Features/CodeEditor/CodeEditorPanel.cs
2025-12-12 22:31:41 +10:00

216 lines
10 KiB
C#

using System.Collections.Concurrent;
using Ardalis.GuardClauses;
using Godot;
using R3;
using SharpIDE.Application.Features.Analysis;
using SharpIDE.Application.Features.Debugging;
using SharpIDE.Application.Features.Events;
using SharpIDE.Application.Features.Run;
using SharpIDE.Application.Features.SolutionDiscovery;
using SharpIDE.Application.Features.SolutionDiscovery.VsPersistence;
using SharpIDE.Godot.Features.IdeSettings;
using SharpIDE.Godot.Features.SolutionExplorer;
namespace SharpIDE.Godot.Features.CodeEditor;
public partial class CodeEditorPanel : MarginContainer
{
[Export]
public Texture2D CsFileTexture { get; set; } = null!;
public SharpIdeSolutionModel Solution { get; set; } = null!;
private PackedScene _sharpIdeCodeEditScene = GD.Load<PackedScene>("res://Features/CodeEditor/SharpIdeCodeEdit.tscn");
private TabContainer _tabContainer = null!;
private ConcurrentDictionary<SharpIdeProjectModel, ExecutionStopInfo> _debuggerExecutionStopInfoByProject = [];
[Inject] private readonly RunService _runService = null!;
public override void _Ready()
{
_tabContainer = GetNode<TabContainer>("TabContainer");
_tabContainer.RemoveChildAndQueueFree(_tabContainer.GetChild(0)); // Remove the default tab
_tabContainer.TabClicked += OnTabClicked;
var tabBar = _tabContainer.GetTabBar();
tabBar.TabCloseDisplayPolicy = TabBar.CloseButtonDisplayPolicy.ShowAlways;
tabBar.TabClosePressed += OnTabClosePressed;
GlobalEvents.Instance.DebuggerExecutionStopped.Subscribe(OnDebuggerExecutionStopped);
GlobalEvents.Instance.ProjectStoppedDebugging.Subscribe(OnProjectStoppedDebugging);
}
public override void _ExitTree()
{
var selectedTabIndex = _tabContainer.CurrentTab;
var thisSolution = Singletons.AppState.RecentSlns.Single(s => s.FilePath == Solution.FilePath);
thisSolution.IdeSolutionState.OpenTabs = _tabContainer.GetChildren().OfType<SharpIdeCodeEdit>()
.Select((t, index) => new OpenTab
{
FilePath = t.SharpIdeFile.Path,
CaretLine = t.GetCaretLine(),
CaretColumn = t.GetCaretColumn(),
IsSelected = index == selectedTabIndex
})
.ToList();
}
public override void _UnhandledKeyInput(InputEvent @event)
{
if (@event.IsActionPressed(InputStringNames.StepOver))
{
SendDebuggerStepCommand(DebuggerStepAction.StepOver);
}
else if (@event.IsActionPressed(InputStringNames.DebuggerStepOut))
{
SendDebuggerStepCommand(DebuggerStepAction.StepOut);
}
else if (@event.IsActionPressed(InputStringNames.DebuggerStepIn))
{
SendDebuggerStepCommand(DebuggerStepAction.StepIn);
}
else if (@event.IsActionPressed(InputStringNames.DebuggerContinue))
{
SendDebuggerStepCommand(DebuggerStepAction.Continue);
}
}
private void OnTabClicked(long tab)
{
var sharpIdeCodeEdit = _tabContainer.GetChild<SharpIdeCodeEdit>((int)tab);
var sharpIdeFile = sharpIdeCodeEdit.SharpIdeFile;
var caretLinePosition = new SharpIdeFileLinePosition(sharpIdeCodeEdit.GetCaretLine(), sharpIdeCodeEdit.GetCaretColumn());
GodotGlobalEvents.Instance.FileExternallySelected.InvokeParallelFireAndForget(sharpIdeFile, caretLinePosition);
}
private void OnTabClosePressed(long tabIndex)
{
var tab = _tabContainer.GetChild<Control>((int)tabIndex);
var previousSibling = _tabContainer.GetChildOrNull<SharpIdeCodeEdit>((int)tabIndex - 1);
if (previousSibling is not null)
{
var sharpIdeFile = previousSibling.SharpIdeFile;
var caretLinePosition = new SharpIdeFileLinePosition(previousSibling.GetCaretLine(), previousSibling.GetCaretColumn());
// This isn't actually necessary - closing a tab automatically selects the previous tab, however we need to do it to select the file in sln explorer, record navigation event etc
GodotGlobalEvents.Instance.FileExternallySelected.InvokeParallelFireAndForget(sharpIdeFile, caretLinePosition);
}
_tabContainer.RemoveChild(tab);
tab.QueueFree();
}
public async Task SetSharpIdeFile(SharpIdeFile file, SharpIdeFileLinePosition? fileLinePosition)
{
await Task.CompletedTask.ConfigureAwait(ConfigureAwaitOptions.ForceYielding);
var existingTab = await this.InvokeAsync(() => _tabContainer.GetChildren().OfType<SharpIdeCodeEdit>().FirstOrDefault(t => t.SharpIdeFile == file));
if (existingTab is not null)
{
var existingTabIndex = existingTab.GetIndex();
await this.InvokeAsync(() =>
{
_tabContainer.CurrentTab = existingTabIndex;
if (fileLinePosition is not null) existingTab.SetFileLinePosition(fileLinePosition.Value);
});
return;
}
var newTab = _sharpIdeCodeEditScene.Instantiate<SharpIdeCodeEdit>();
newTab.Solution = Solution;
await this.InvokeAsync(() =>
{
_tabContainer.AddChild(newTab);
var newTabIndex = _tabContainer.GetTabCount() - 1;
_tabContainer.SetIconsForFileExtension(file, newTabIndex);
_tabContainer.SetTabTitle(newTabIndex, file.Name);
_tabContainer.SetTabTooltip(newTabIndex, file.Path);
_tabContainer.CurrentTab = newTabIndex;
file.IsDirty.Skip(1).SubscribeOnThreadPool().ObserveOnThreadPool().SubscribeAwait(async (isDirty, ct) =>
{
//GD.Print($"File dirty state changed: {file.Path} is now {(isDirty ? "dirty" : "clean")}");
await this.InvokeAsync(() =>
{
var tabIndex = newTab.GetIndex();
var title = file.Name + (isDirty ? " (*)" : "");
_tabContainer.SetTabTitle(tabIndex, title);
});
}).AddTo(newTab); // needs to be on ui thread
});
await newTab.SetSharpIdeFile(file, fileLinePosition);
}
private static readonly Color ExecutingLineColor = new Color("665001");
private async Task OnDebuggerExecutionStopped(ExecutionStopInfo executionStopInfo)
{
Guard.Against.Null(Solution, nameof(Solution));
var currentSharpIdeFile = await this.InvokeAsync<SharpIdeFile>(() => _tabContainer.GetChild<SharpIdeCodeEdit>(_tabContainer.CurrentTab).SharpIdeFile);
if (executionStopInfo.FilePath != currentSharpIdeFile?.Path)
{
var file = Solution.AllFiles[executionStopInfo.FilePath];
await GodotGlobalEvents.Instance.FileExternallySelected.InvokeParallelAsync(file, null).ConfigureAwait(false);
}
var lineInt = executionStopInfo.Line - 1; // Debugging is 1-indexed, Godot is 0-indexed
Guard.Against.Negative(lineInt, nameof(lineInt));
if (_debuggerExecutionStopInfoByProject.TryGetValue(executionStopInfo.Project, out _)) throw new InvalidOperationException("Debugger is already stopped for this project.");
_debuggerExecutionStopInfoByProject[executionStopInfo.Project] = executionStopInfo;
await this.InvokeAsync(() =>
{
var tabForStopInfo = _tabContainer.GetChildren().OfType<SharpIdeCodeEdit>().Single(t => t.SharpIdeFile.Path == executionStopInfo.FilePath);
tabForStopInfo.SetLineBackgroundColor(lineInt, ExecutingLineColor);
tabForStopInfo.SetLineAsExecuting(lineInt, true);
});
}
private enum DebuggerStepAction { StepOver, StepIn, StepOut, Continue }
[RequiresGodotUiThread]
private void SendDebuggerStepCommand(DebuggerStepAction debuggerStepAction)
{
// TODO: Debugging needs a rework - debugging commands should be scoped to a debug session, ie the debug panel sub-tabs
// For now, just use the first project that is currently stopped
var stoppedProjects = _debuggerExecutionStopInfoByProject.Keys.ToList();
if (stoppedProjects.Count == 0) return; // ie not currently stopped anywhere
var project = stoppedProjects[0];
if (!_debuggerExecutionStopInfoByProject.TryRemove(project, out var executionStopInfo)) return;
var godotLine = executionStopInfo.Line - 1;
var tabForStopInfo = _tabContainer.GetChildren().OfType<SharpIdeCodeEdit>().Single(t => t.SharpIdeFile.Path == executionStopInfo.FilePath);
tabForStopInfo.SetLineAsExecuting(godotLine, false);
tabForStopInfo.SetLineColour(godotLine);
var threadId = executionStopInfo.ThreadId;
_ = Task.GodotRun(async () =>
{
var task = debuggerStepAction switch
{
DebuggerStepAction.StepOver => _runService.SendDebuggerStepOver(threadId),
DebuggerStepAction.StepIn => _runService.SendDebuggerStepInto(threadId),
DebuggerStepAction.StepOut => _runService.SendDebuggerStepOut(threadId),
DebuggerStepAction.Continue => _runService.SendDebuggerContinue(threadId),
_ => throw new ArgumentOutOfRangeException(nameof(debuggerStepAction), debuggerStepAction, null)
};
await task;
});
}
private async Task OnProjectStoppedDebugging(SharpIdeProjectModel project)
{
if (!_debuggerExecutionStopInfoByProject.TryRemove(project, out var executionStopInfo)) return;
await this.InvokeAsync(() =>
{
var godotLine = executionStopInfo.Line - 1;
var tabForStopInfo = _tabContainer.GetChildren().OfType<SharpIdeCodeEdit>().Single(t => t.SharpIdeFile.Path == executionStopInfo.FilePath);
tabForStopInfo.SetLineAsExecuting(godotLine, false);
tabForStopInfo.SetLineColour(godotLine);
});
}
}
file static class TabContainerExtensions
{
extension(TabContainer tabContainer)
{
public void SetIconsForFileExtension(SharpIdeFile file, int newTabIndex)
{
var (icon, overlayIcon) = FileIconHelper.GetIconForFileExtension(file.Extension);
tabContainer.SetTabIcon(newTabIndex, icon);
// Unfortunately TabContainer doesn't have a SetTabIconOverlay method
//tabContainer.SetIconOverlay(0, overlayIcon);
}
}
}