public async Task <QuickInfoItem> GetQuickInfoItemAsync(IAsyncQuickInfoSession session, CancellationToken cancellationToken)
{
if (DebuggingService.CurrentFrame == null)
{
return(null);
}
if (window != null)
{
await Runtime.RunInMainThread(DestroyWindow);
}
var view = session.TextView;
var textViewLines = view.TextViewLines;
var snapshot = textViewLines.FormattedSpan.Snapshot;
var triggerPoint = session.GetTriggerPoint(textBuffer);
if (snapshot.TextBuffer != triggerPoint.TextBuffer)
{
return(null);
}
var point = triggerPoint.GetPoint(snapshot);
foreach (var debugInfoProvider in provider.debugInfoProviders)
{
DataTipInfo debugInfo = default;
if (!view.Selection.IsEmpty)
{
foreach (var span in view.Selection.SelectedSpans)
{
if (span.Contains(point))
{
//debugInfo = new DataTipInfo (snapshot.CreateTrackingSpan (span, SpanTrackingMode.EdgeInclusive), snapshot.GetText (span));
debugInfo = await debugInfoProvider.Value.GetDebugInfoAsync(span, cancellationToken);
break;
}
}
}
else
{
debugInfo = await debugInfoProvider.Value.GetDebugInfoAsync(point, cancellationToken);
}
if (!debugInfo.IsDefault)
{
await EvaluateAndShowTooltipAsync(session, view, point, debugInfo, cancellationToken);
return(null);
}
}
return(null);
}
private async Task EvaluateAndShowTooltipAsync(IAsyncQuickInfoSession session, ITextView view, SnapshotPoint point, DataTipInfo debugInfo, CancellationToken cancellationToken)
{
var options = DebuggingService.DebuggerSession.EvaluationOptions.Clone();
options.AllowMethodEvaluation = true;
options.AllowTargetInvoke = true;
var val = DebuggingService.CurrentFrame.GetExpressionValue(debugInfo.Text, options);
if (val.IsEvaluating)
{
await WaitOneAsync(val.WaitHandle, cancellationToken);
}
if (cancellationToken.IsCancellationRequested)
{
return;
}
if (val == null || val.IsUnknown || val.IsNotSupported)
{
return;
}
if (!view.Properties.TryGetProperty(typeof(Gtk.Widget), out Gtk.Widget gtkParent))
{
return;
}
provider.textDocumentFactoryService.TryGetTextDocument(view.TextDataModel.DocumentBuffer, out var textDocument);
// This is a bit hacky, since AsyncQuickInfo is designed to display multiple elements if multiple sources
// return value, we don't want that for debugger value hovering, hence we dismiss AsyncQuickInfo
// and do our own thing, notice VS does same thing
await session.DismissAsync();
await provider.joinableTaskContext.Factory.SwitchToMainThreadAsync();
this.lastView = view;
val.Name = debugInfo.Text;
window = new DebugValueWindow((Gtk.Window)gtkParent.Toplevel, textDocument?.FilePath, textBuffer.CurrentSnapshot.GetLineNumberFromPosition(debugInfo.Span.GetStartPoint(textBuffer.CurrentSnapshot)), DebuggingService.CurrentFrame, val, null);
Ide.IdeApp.CommandService.RegisterTopWindow(window);
var bounds = view.TextViewLines.GetCharacterBounds(point);
view.LayoutChanged += LayoutChanged;
#if CLOSE_ON_FOCUS_LOST
view.LostAggregateFocus += View_LostAggregateFocus;
#endif
RegisterForHiddenAsync(view).Ignore();
window.LeaveNotifyEvent += LeaveNotifyEvent;
#if MAC
var cocoaView = ((ICocoaTextView)view);
var cgPoint = cocoaView.VisualElement.ConvertPointToView(new CoreGraphics.CGPoint(bounds.Left - view.ViewportLeft, bounds.Top - view.ViewportTop), cocoaView.VisualElement.Superview);
cgPoint.Y = cocoaView.VisualElement.Superview.Frame.Height - cgPoint.Y;
window.ShowPopup(gtkParent, new Gdk.Rectangle((int)cgPoint.X, (int)cgPoint.Y, (int)bounds.Width, (int)bounds.Height), Components.PopupPosition.TopLeft);
#else
throw new NotImplementedException();
#endif
}
private async Task EvaluateAndShowTooltipAsync(IAsyncQuickInfoSession session, ITextView view, SnapshotPoint point, DataTipInfo debugInfo, CancellationToken cancellationToken)
{
var options = DebuggingService.DebuggerSession.EvaluationOptions.Clone();
options.AllowMethodEvaluation = true;
options.AllowTargetInvoke = true;
var val = DebuggingService.CurrentFrame.GetExpressionValue(debugInfo.Text, options);
if (val.IsEvaluating)
{
await WaitOneAsync(val.WaitHandle, cancellationToken);
}
if (cancellationToken.IsCancellationRequested)
{
return;
}
if (val == null || val.IsUnknown || val.IsNotSupported)
{
return;
}
if (!view.Properties.TryGetProperty(typeof(Widget), out Widget gtkParent))
{
return;
}
provider.textDocumentFactoryService.TryGetTextDocument(view.TextDataModel.DocumentBuffer, out var textDocument);
// This is a bit hacky, since AsyncQuickInfo is designed to display multiple elements if multiple sources
// return value, we don't want that for debugger value hovering, hence we dismiss AsyncQuickInfo
// and do our own thing, notice VS does same thing
await session.DismissAsync();
await provider.joinableTaskContext.Factory.SwitchToMainThreadAsync();
lastView = view;
val.Name = debugInfo.Text;
#if MAC
var location = new PinnedWatchLocation(textDocument?.FilePath);
var snapshot = view.TextDataModel.DocumentBuffer.CurrentSnapshot;
int line, column;
var start = debugInfo.Span.GetStartPoint(snapshot);
snapshot.GetLineAndColumn(start, out line, out column);
location.Column = column;
location.Line = line;
var end = debugInfo.Span.GetEndPoint(snapshot);
snapshot.GetLineAndColumn(end, out line, out column);
location.EndColumn = column;
location.EndLine = line;
window = new MacDebuggerTooltipWindow(location, DebuggingService.CurrentFrame, val, watch: null);
view.LayoutChanged += LayoutChanged;
#if CLOSE_ON_FOCUS_LOST
view.LostAggregateFocus += View_LostAggregateFocus;
#endif
RegisterForHiddenAsync(view).Ignore();
var cocoaView = (ICocoaTextView)view;
var bounds = view.TextViewLines.GetCharacterBounds(point);
var rect = new CoreGraphics.CGRect(bounds.Left - view.ViewportLeft, bounds.Top - view.ViewportTop, bounds.Width, bounds.Height);
window.Show(rect, cocoaView.VisualElement, AppKit.NSRectEdge.MaxXEdge);
#else
throw new NotImplementedException();
#endif
}
