/// <summary>Displays numbers about selected characters and lines in quick info.</summary>
static QuickInfoItem ShowSelectionInfo(IAsyncQuickInfoSession session, SnapshotPoint point)
{
var selection = session.TextView.Selection;
if (selection.IsEmpty)
{
return(null);
}
var p1 = selection.Start.Position;
if (p1 > point || point > selection.End.Position)
{
var tes = session.TextView.GetTextElementSpan(point);
if (tes.Contains(p1) == false)
{
return(null);
}
}
var c = 0;
var lines = selection.SelectedSpans.Count;
SnapshotSpan activeSpan = default;
foreach (var item in selection.SelectedSpans)
{
c += item.Length;
if (item.Contains(point))
{
activeSpan = item;
}
}
if (activeSpan.IsEmpty)
{
activeSpan = selection.SelectedSpans[0];
}
ThemedTipText info;
if (c == 1)
{
var ch = point.Snapshot.GetText(p1, 1);
info = new ThemedTipText {
Name = Name
}
.Append(R.T_SelectedCharacter + "\"", true)
.Append(ch)
.Append("\" (Unicode: 0x" + ((int)ch[0]).ToString("X2") + ")");
goto RETURN;
}
info = new ThemedTipText()
{
Name = Name
}
.Append(R.T_Selection, true)
.Append(c.ToString() + R.T_Characters);
if (lines > 1)
{
info.Append(", " + lines + R.T_Spans);
}
else
{
lines = selection.StreamSelectionSpan.SnapshotSpan.GetLineSpan().Length;
if (lines > 0)
{
info.Append(", " + (lines + 1).ToString() + R.T_Lines);
}
}
RETURN:
return(new QuickInfoItem(activeSpan.ToTrackingSpan(), info.SetGlyph(ThemeHelper.GetImage(IconIds.SelectCode))));
}
