public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> quickInfoContent, out ITrackingSpan applicableToSpan)
{
if (_state == QuickInfoState.Disable)
{
applicableToSpan = default;
return;
}
if (_state == QuickInfoState.Override)
{
quickInfoContent.Clear();
}
var triggerPoint = session.GetTriggerPoint(_textBuffer.CurrentSnapshot);
if (!triggerPoint.HasValue)
{
applicableToSpan = default;
return;
}
var quickInfo = QuickInfoService.GetQuickInfoAsync(_textBuffer, triggerPoint.Value, CancellationToken.None).Result;
if (quickInfo is null || quickInfo.Descriptions.Length == 0)
{
applicableToSpan = default;
return;
}
var trackingSpan = triggerPoint.Value.Snapshot.CreateTrackingSpan(quickInfo.GetSpan(), SpanTrackingMode.EdgeInclusive);
var items = new List <UIElement>();
foreach (var item in quickInfo.Descriptions)
{
var textBlock = ToTextBlock(item);
if (item.Kind == SymbolDescriptionKind.Main)
{
var panel = new WrapPanel();
var uiElements = TryGetImageElement(quickInfo.Image, out var image)
? image.Enumerate().Concat(textBlock.Enumerate())
: textBlock.Enumerate();
Populate(panel, uiElements);
items.Insert(0, panel);
}
else
{
items.Add(textBlock);
}
}
var container = new StackPanel();
Populate(container, items);
quickInfoContent.Add(container);
applicableToSpan = trackingSpan;
}
public async Task <MsQuickInfoItem> GetQuickInfoItemAsync(IAsyncQuickInfoSession session, CancellationToken cancellationToken)
{
// NOTE: returned null would be ignored by VS
if (_state == QuickInfoState.Disable)
{
return(null);
}
var triggerPoint = session.GetTriggerPoint(_textBuffer.CurrentSnapshot);
if (!triggerPoint.HasValue)
{
return(null);
}
var quickInfo = await QuickInfoService.GetQuickInfoAsync(_textBuffer, triggerPoint.Value, cancellationToken);
if (quickInfo is null || quickInfo.Descriptions.Length == 0)
{
return(null);
}
var trackingSpan = triggerPoint.Value.Snapshot.CreateTrackingSpan(quickInfo.GetSpan(), SpanTrackingMode.EdgeInclusive);
var items = new List <object>();
foreach (var item in quickInfo.Descriptions)
{
if (item.Kind == SymbolDescriptionKind.Main)
{
var containerItem = TryGetImageElement(quickInfo.Image, out var image)
? new ContainerElement(ContainerElementStyle.Wrapped, image, ToClassifiedTextElement(item))
: new ContainerElement(ContainerElementStyle.Wrapped, ToClassifiedTextElement(item));
items.Insert(0, containerItem);
}
else
{
items.Add(ToClassifiedTextElement(item));
}
}
// NOTE: wrap element into a specified type to determine that the content element was created by CoCo or not
return(_state == QuickInfoState.Override
? new MsQuickInfoItem(trackingSpan, new QuickInfoWrapper(new ContainerElement(ContainerElementStyle.Stacked, items)))
: new MsQuickInfoItem(trackingSpan, new ContainerElement(ContainerElementStyle.Stacked, items)));
}
