private void SetTooltip(ErrorGlyphTag newTag, ITrackingSpan trackingSpan)
{
if (newTag != null)
{
if ((_currentTag == null) || (newTag.Description != _currentTag.Description))
{
_toolTipProvider.ShowToolTip(trackingSpan, newTag.Description);
_currentTag = newTag;
}
}
else if (_currentTag != null)
{
_toolTipProvider.ClearToolTip();
_currentTag = null;
}
}
public override void PreprocessMouseMove(MouseEventArgs e)
{
// Look for regex lines to show the tooltip/hand cursor
foreach (ITextViewLine line in this.view.TextViewLines)
{
RegexLineData regexLineData = RegexLineData.CreateFromTextViewLine(this.view, line);
// Check if the regex line contains a new Regex statement
if (IsValid(regexLineData))
{
// Get the pattern parameter
SnapshotSpan?expression = regexLineData.Expression;
if (expression.HasValue)
{
// Get the marker geometry of the pattern parameter
Geometry expressionGeometry = view.TextViewLines.GetMarkerGeometry(expression.Value);
if (expressionGeometry != null && expressionGeometry.Bounds.Contains(GetPointRelativeToView(e)))
{
e.Handled = true;
if (!IsToolTipShown)
{
IsToolTipShown = true;
IToolTipProvider toolTipProvider = this.toolTipProviderFactory.GetToolTipProvider(this.view);
// Show the tooltip
toolTipProvider.ShowToolTip(expression.Value.Snapshot.CreateTrackingSpan(
expression.Value.Span,
SpanTrackingMode.EdgeExclusive), "Ctrl+Click to open the regex editor",
PopupStyles.DismissOnMouseLeaveText);
}
// If the ctrl key is pressed change the cursor to hand
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
e.MouseDevice.OverrideCursor = Cursors.Hand;
}
return;
}
}
}
}
IsToolTipShown = false;
e.MouseDevice.OverrideCursor = null;
}
private void DisplayTooltip(SnapshotSpan span)
{
_toolTipProvider.ClearToolTip();
_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;
}
activeData.TooltipControl.Width = _view.ViewportWidth;
_toolTipProvider.ShowToolTip(
span.Snapshot.CreateTrackingSpan(span, SpanTrackingMode.EdgeExclusive),
activeData.TooltipControl,
PopupStyles.PositionClosest);
}