public async Task <QuickInfoItem> GetQuickInfoItemAsync(IAsyncQuickInfoSession session, CancellationToken cancellationToken)
{
await Task.Yield().ConfigureAwait(false);
if (cancellationToken.IsCancellationRequested)
{
return(null);
}
var syntaxTreeAndSnapshot = ParserService.SyntaxTreeAndSnapshot;
if (syntaxTreeAndSnapshot == null)
{
return(null);
}
// Map the trigger point down to our buffer.
SnapshotPoint?triggerPoint = session.GetTriggerPoint(syntaxTreeAndSnapshot.Snapshot);
if (triggerPoint == null)
{
return(null);
}
var triggerToken = syntaxTreeAndSnapshot.SyntaxTree.Root.FindToken(triggerPoint.Value.Position);
if (triggerToken.IsMissing || triggerToken.Parent == null)
{
return(null);
}
var applicableToSpan = syntaxTreeAndSnapshot.Snapshot.CreateTrackingSpan(
triggerToken.Extent.Start,
triggerToken.Extent.Length,
SpanTrackingMode.EdgeExclusive);
var location = triggerToken.GetLocation();
var qiContent = $"{triggerToken.GetText()}\r\n{triggerToken.Kind} Ln {location?.StartLine + 1} Ch {location?.StartCharacter + 1}\r\n{triggerToken.Parent?.GetType().Name}";
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
var modifier = ModifierKeys.Control | ModifierKeys.Shift;
if ((Keyboard.Modifiers & modifier) != modifier)
{
return(null);
}
var controlControl = new SymbolQuickInfoControl {
CrispImage = { Moniker = ImageMonikers.StatusInformation },
TextContent = { Content = qiContent }
};
var qiItem = new QuickInfoItem(applicableToSpan: applicableToSpan,
item: controlControl
);
return(qiItem);
}
public async Task <QuickInfoItem> GetQuickInfoItemAsync(IAsyncQuickInfoSession session, CancellationToken cancellationToken)
{
await Task.Yield().ConfigureAwait(false);
if (cancellationToken.IsCancellationRequested)
{
return(null);
}
var syntaxTreeAndSnapshot = ParserService.SyntaxTreeAndSnapshot;
if (syntaxTreeAndSnapshot == null)
{
return(null);
}
// Map the trigger point down to our buffer.
SnapshotPoint?triggerPoint = session.GetTriggerPoint(syntaxTreeAndSnapshot.Snapshot);
if (triggerPoint == null)
{
return(null);
}
var qiInfo = QuickInfoProvider.GetQuickInfoDefinition(syntaxTreeAndSnapshot.SyntaxTree, triggerPoint.Value.Position);
if (qiInfo == null)
{
return(null);
}
var applicableToSpan = syntaxTreeAndSnapshot.Snapshot.CreateTrackingSpan(
qiInfo.ApplicableToExtent.Start,
qiInfo.ApplicableToExtent.Length,
SpanTrackingMode.EdgeExclusive);
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
var qiContent = _textBlockBuilderService.ToTextBlock(qiInfo.Content);
var controlControl = new SymbolQuickInfoControl {
CrispImage = { Moniker = GdImageMonikers.GetMoniker(qiInfo.Glyph) },
TextContent = { Content = qiContent }
};
var qiItem = new QuickInfoItem(applicableToSpan: applicableToSpan,
item: controlControl
);
return(qiItem);
}
