void AddMissingLines()
{
if (markedSpans.IsEmpty)
{
return;
}
var infos = new List <MarkedLineInfo>();
foreach (var markedSpan in markedSpans.VisibleSpans)
{
foreach (var info in GetMarkedLineInfos(infos, markedSpan))
{
if (toMarkedLine.ContainsKey(info.Line.IdentityTag))
{
continue;
}
var geo = MarkerHelper.CreateGeometry(textView, info.Span, markedSpans.IsBoxMode, info.IsMultiLineSpan, true);
if (geo == null)
{
continue;
}
var markedLine = new MarkedLine(info.Span, geo, info.Line.IdentityTag, BackgroundBrush, Pen);
bool added = adornmentLayer.AddAdornment(AdornmentPositioningBehavior.TextRelative, markedLine.Span.SnapshotSpan, markedLine, markedLine, adornmentRemovedCallback);
if (added)
{
toMarkedLine.Add(markedLine.IdentityTag, markedLine);
}
}
}
}
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));
}
public Geometry GetMarkerGeometry(SnapshotSpan bufferSpan)
{
if (bufferSpan.Snapshot != snapshot)
{
throw new ArgumentException();
}
if (MarkerHelper.IsMultiLineSpan(textView, bufferSpan))
{
return(GetLineMarkerGeometry(bufferSpan));
}
return(GetTextMarkerGeometry(bufferSpan));
}
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));
}
KeyValuePair <SnapshotSpan, Geometry>?CreateBoxSelection()
{
Debug.Assert(!textSelection.IsEmpty && textSelection.Mode == TextSelectionMode.Box);
var allSpans = textSelection.VirtualSelectedSpans;
var spans = GetVisibleBoxSpans(allSpans);
if (spans.Count == 0)
{
return(null);
}
var geo = MarkerHelper.CreateBoxGeometry(textSelection.TextView, spans, allSpans.Count > 1);
if (geo == null)
{
return(null);
}
var fullSpan = new SnapshotSpan(spans[0].SnapshotSpan.Start, spans[spans.Count - 1].SnapshotSpan.End);
return(new KeyValuePair <SnapshotSpan, Geometry>(fullSpan, geo));
}
Geometry GetMarkerGeometry(SnapshotSpan bufferSpan, bool clipToViewport, Thickness padding, bool isLineGeometry)
{
if (bufferSpan.Snapshot != snapshot)
{
throw new ArgumentException();
}
bool createOutlinedPath = false;
PathGeometry geo = null;
var textBounds = GetNormalizedTextBounds(bufferSpan);
MarkerHelper.AddGeometries(textView, textBounds, isLineGeometry, clipToViewport, padding, 0, ref geo, ref createOutlinedPath, false);
if (createOutlinedPath)
{
geo = geo.GetOutlinedPathGeometry();
}
if (geo != null && geo.CanFreeze)
{
geo.Freeze();
}
return(geo);
}