/// <summary>
/// Waits for the description to be created and updates the tooltip with the associated information
/// </summary>
private async Task StartToolTipServiceAsync(IToolTipPresenter toolTipPresenter)
{
var uiList = await Task.Run(() => CreateDescriptionAsync(_threadingContext.DisposalToken)).ConfigureAwait(false);
await _threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(_threadingContext.DisposalToken);
toolTipPresenter.StartOrUpdate(_textView.TextSnapshot.CreateTrackingSpan(_span.Start, _span.Length, SpanTrackingMode.EdgeInclusive), uiList);
}
internal void EventHookupFoundInSession(EventHookupSession analyzedSession)
{
AssertIsForeground();
var caretPoint = analyzedSession.TextView.GetCaretPoint(analyzedSession.SubjectBuffer);
// only generate tooltip if it is not already shown (_toolTipPresenter == null)
// Ensure the analyzed session matches the current session and that the caret is still
// in the session's tracking span.
if (_toolTipPresenter == null &&
CurrentSession == analyzedSession &&
caretPoint.HasValue &&
analyzedSession.TrackingSpan.GetSpan(CurrentSession.TextView.TextSnapshot).Contains(caretPoint.Value))
{
// Create a tooltip presenter that stays alive, even when the user types, without tracking the mouse.
_toolTipPresenter = this._toolTipService.CreatePresenter(analyzedSession.TextView,
new ToolTipParameters(trackMouse: false, ignoreBufferChange: true));
// tooltips text is: Program_MyEvents; (Press TAB to insert)
// GetEventNameTask() gets back the event name, only needs to add a semicolon after it.
var textRuns = new[]
{
new ClassifiedTextRun(ClassificationTypeNames.MethodName, analyzedSession.GetEventNameTask.Result, ClassifiedTextRunStyle.UseClassificationFont),
new ClassifiedTextRun(ClassificationTypeNames.Punctuation, ";", ClassifiedTextRunStyle.UseClassificationFont),
new ClassifiedTextRun(ClassificationTypeNames.Text, CSharpEditorResources.Press_TAB_to_insert),
};
var content = new[] { new ClassifiedTextElement(textRuns) };
_toolTipPresenter.StartOrUpdate(analyzedSession.TrackingSpan, content);
// For test purposes only!
TEST_MostRecentToolTipContent = content;
// Watch all text buffer changes & caret moves while this event hookup session is active
analyzedSession.TextView.TextSnapshot.TextBuffer.Changed += TextBuffer_Changed;
CurrentSession.Dismissed += () => { analyzedSession.TextView.TextSnapshot.TextBuffer.Changed -= TextBuffer_Changed; };
analyzedSession.TextView.Caret.PositionChanged += Caret_PositionChanged;
CurrentSession.Dismissed += () => { analyzedSession.TextView.Caret.PositionChanged -= Caret_PositionChanged; };
}
}
private void DisplayTooltip(SnapshotSpan span)
{
_toolTipProvider.Dismiss();
_isTooltipShown = true;
// Note, keep a local copy of ActiveTagData.Current.
// In case ActiveTagData.Current changes by other thread or by async re-entrancy.
ActiveTagData activeData = ActiveTagData.Current;
if (activeData == null)
{
Debug.WriteLine($"{nameof(ActiveTagData.Current)} is empty, this is probably a code bug.");
return;
}
List <object> uiList = new List <object>();
uiList.Add(activeData.TextView);
activeData.TooltipControl.Width = _view.ViewportWidth;
_toolTipProvider.StartOrUpdate(
span.Snapshot.CreateTrackingSpan(span, SpanTrackingMode.EdgeExclusive),
uiList);
}