public Geometry GetMarkerGeometry(SnapshotSpan bufferSpan)
{
if (bufferSpan.Snapshot != snapshot)
{
throw new ArgumentException();
}
if (MarkerHelper.IsMultiLineSpan(textView, bufferSpan))
{
return(GetLineMarkerGeometry(bufferSpan));
}
return(GetTextMarkerGeometry(bufferSpan));
}
public Geometry GetMarkerGeometry(SnapshotSpan bufferSpan, bool clipToViewport, Thickness padding)
{
if (bufferSpan.Snapshot != snapshot)
{
throw new ArgumentException();
}
if (MarkerHelper.IsMultiLineSpan(textView, bufferSpan))
{
return(GetLineMarkerGeometry(bufferSpan, clipToViewport, padding));
}
return(GetTextMarkerGeometry(bufferSpan, clipToViewport, padding));
}
List <MarkedLineInfo> GetMarkedLineInfos(List <MarkedLineInfo> infos, VirtualSnapshotSpan markedSpan)
{
infos.Clear();
var formattedSpan = textView.TextViewLines.FormattedSpan;
bool useVspace = formattedSpan.End == markedSpan.End.Position && markedSpan.End.Position.Position == markedSpan.Snapshot.Length;
var virtFormattedSpan = new VirtualSnapshotSpan(new VirtualSnapshotPoint(formattedSpan.Start), new VirtualSnapshotPoint(formattedSpan.End, useVspace ? markedSpan.End.VirtualSpaces : 0));
var intersectionTmp = virtFormattedSpan.Intersection(markedSpan);
if (intersectionTmp == null)
{
return(infos);
}
var span = intersectionTmp.Value;
bool isMultiLineSpan = MarkerHelper.IsMultiLineSpan(textView, span.SnapshotSpan);
var pos = span.Start;
int lines = 0;
while (pos <= span.End)
{
if (lines > 0 && pos == span.End)
{
break;
}
var line = textView.TextViewLines.GetTextViewLineContainingBufferPosition(pos.Position);
if (line == null)
{
break;
}
bool useVspace2 = useVspace && line.IsLastDocumentLine();
var lineSpan = new VirtualSnapshotSpan(new VirtualSnapshotPoint(line.Start), new VirtualSnapshotPoint(line.EndIncludingLineBreak, useVspace2 ? markedSpan.End.VirtualSpaces : 0));
var lineIntersectionTmp = lineSpan.Intersection(span);
Debug.Assert(lineIntersectionTmp != null);
if (lineIntersectionTmp != null)
{
infos.Add(new MarkedLineInfo(line, lineIntersectionTmp.Value, isMultiLineSpan));
}
if (line.IsLastDocumentLine())
{
break;
}
pos = new VirtualSnapshotPoint(line.EndIncludingLineBreak);
lines++;
}
return(infos);
}
KeyValuePair <SnapshotSpan, Geometry>?CreateStreamSelection()
{
Debug.Assert(!textSelection.IsEmpty && textSelection.Mode == TextSelectionMode.Stream);
bool isMultiLine = MarkerHelper.IsMultiLineSpan(textSelection.TextView, textSelection.StreamSelectionSpan.SnapshotSpan);
var span = textSelection.StreamSelectionSpan.Overlap(new VirtualSnapshotSpan(textSelection.TextView.TextViewLines.FormattedSpan));
if (span == null)
{
return(null);
}
var geo = MarkerHelper.CreateGeometry(textSelection.TextView, span.Value, false, isMultiLine);
if (geo == null)
{
return(null);
}
return(new KeyValuePair <SnapshotSpan, Geometry>(span.Value.SnapshotSpan, geo));
}