public SelectionRangeInfo SplitSelectedText(VisualSelectionRange selectionRange)
{
SelectionRangeInfo newPoints = CurrentLine.Split(selectionRange);
EnsureCurrentTextRun();
return(newPoints);
}
internal void WriteInfo(VisualSelectionRange range)
{
if (range == null)
{
return;
}
WriteInfo(range.ToString());
}
public void RemoveSelectedTextRuns(VisualSelectionRange selectionRange)
{
int precutIndex = selectionRange.StartPoint.LineCharIndex;
CurrentLine.Remove(selectionRange);
CurrentLine.TextLineReCalculateActualLineSize();
CurrentLine.RefreshInlineArrange();
EnsureCurrentTextRun(precutIndex);
}
protected Rectangle GetSelectionUpdateArea()
{
VisualSelectionRange selectionRange = _editSession.SelectionRange;
if (selectionRange != null && selectionRange.IsValid)
{
return(_editSession.SelectionRange.GetSelectionUpdateArea());
}
else
{
return(Rectangle.Empty);
}
}
public void StartSelect()
{
if (_textLineWriter != null)
{
_selectionRange = new VisualSelectionRange(GetCurrentPointInfo(), GetCurrentPointInfo());
}
#if DEBUG
if (dbugEnableTextManRecorder)
{
_dbugActivityRecorder.WriteInfo("TxLMan::StartSelect");
}
#endif
}
public void RemoveSelectedTextRuns(VisualSelectionRange selectionRange)
{
#if DEBUG
//if (!CurrentLine.dbugHasOwner)
//{
//}
#endif
int precutIndex = selectionRange.StartPoint.LineCharIndex;
CurrentLine.Remove(selectionRange);
InvalidateCurrentRun();
CurrentLine.TextLineReCalculateActualLineSize();
CurrentLine.RefreshInlineArrange();
SetCurrentCharIndex2(precutIndex);
}
public void CancelSelect()
{
#if DEBUG
if (dbugEnableTextManRecorder)
{
_dbugActivityRecorder.WriteInfo("TxLMan::CancelSelect");
}
#endif
if (_selectionRange != null)
{
//invalidate graphic area?
_textLayer.ClientLineBubbleupInvalidateArea(_selectionRange.GetSelectionUpdateArea());
}
_selectionRange = null;
SelectionCanceled?.Invoke(this, EventArgs.Empty);
}
public void DoTab()
{
if (!_isEditable)
{
return;
}
//
if (_editSession.SelectionRange != null)
{
VisualSelectionRange visualSelectionRange = _editSession.SelectionRange;
visualSelectionRange.SwapIfUnOrder();
if (visualSelectionRange.IsValid && !visualSelectionRange.IsOnTheSameLine)
{
InvalidateGraphicOfCurrentSelectionArea();
//
_editSession.DoTabOverSelectedRange();
return; //finish here
}
}
//------------
//do tab as usuall
int insertAt = _editSession.CurrentLineCharIndex;
for (int i = NumOfWhitespaceForSingleTab; i >= 0; --i)
{
_editSession.AddCharToCurrentLine(' ');
}
if (_textSurfaceEventListener != null)
{
TextSurfaceEventListener.NotifyStringAdded(_textSurfaceEventListener,
insertAt, new string(' ', NumOfWhitespaceForSingleTab));
}
InvalidateGraphicOfCurrentLineArea();
}
internal SelectionRangeInfo Split(VisualSelectionRange selectionRange)
{
selectionRange.SwapIfUnOrder();
EditableVisualPointInfo startPoint = selectionRange.StartPoint;
EditableVisualPointInfo endPoint = selectionRange.EndPoint;
if (startPoint.Run == endPoint.Run)
{
Run toBeCutTextRun = startPoint.Run;
CopyRun leftPart = toBeCutTextRun.LeftCopy(startPoint.RunLocalSelectedIndex);
CopyRun middlePart = toBeCutTextRun.Copy(startPoint.RunLocalSelectedIndex, endPoint.LineCharIndex - startPoint.LineCharIndex);
CopyRun rightPart = toBeCutTextRun.Copy(endPoint.RunLocalSelectedIndex);
EditableVisualPointInfo newStartRangePointInfo = null;
EditableVisualPointInfo newEndRangePointInfo = null;
TextLineBox line = this;
if (startPoint.LineId != _currentLineNumber)
{
line = _textFlowLayer.GetTextLine(startPoint.LineId);
}
line.LocalSuspendLineReArrange();
if (leftPart != null)
{
Run leftRun = line.AddBefore(toBeCutTextRun, leftPart);
newStartRangePointInfo = CreateTextPointInfo(
startPoint.LineId, startPoint.LineCharIndex, startPoint.X,
leftRun,
startPoint.TextRunCharOffset, startPoint.TextRunPixelOffset);
}
else
{
//no left part,
//so we connect to prev text run
Run prevTxtRun = startPoint.Run.PrevRun;
if (prevTxtRun != null)
{
newStartRangePointInfo = CreateTextPointInfo(
startPoint.LineId, startPoint.LineCharIndex, startPoint.X,
prevTxtRun,
startPoint.TextRunCharOffset - leftPart.CharacterCount,
startPoint.TextRunPixelOffset - prevTxtRun.Width);
}
else
{
//no prev run, we are at the begining of the line
newStartRangePointInfo = CreateTextPointInfo(
startPoint.LineId,
startPoint.LineCharIndex,
0,
null,
0, 0);
}
}
if (rightPart != null)
{
Run rightRun = line.AddAfter(toBeCutTextRun, rightPart);
newEndRangePointInfo =
CreateTextPointInfo(
endPoint.LineId,
endPoint.LineCharIndex,
endPoint.X,
null, ///??
startPoint.TextRunCharOffset + middlePart.CharacterCount,
startPoint.TextRunPixelOffset + MeasureCopyRunLength(middlePart).Width);
}
else
{
Run nextTxtRun = endPoint.Run.NextRun;
if (nextTxtRun != null)
{
newEndRangePointInfo = CreateTextPointInfo(
endPoint.LineId,
endPoint.LineCharIndex,
endPoint.X,
null, ///??
endPoint.TextRunPixelOffset + endPoint.Run.CharacterCount,
endPoint.TextRunPixelOffset + endPoint.Run.Width);
}
else
{
newEndRangePointInfo = CreateTextPointInfo(
endPoint.LineId,
endPoint.LineCharIndex,
endPoint.X,
null,
endPoint.TextRunCharOffset,
endPoint.TextRunPixelOffset);
}
}
if (middlePart != null)
{
line.AddAfter(toBeCutTextRun, middlePart);
}
else
{
throw new NotSupportedException();
}
line.Remove(toBeCutTextRun);
line.LocalResumeLineReArrange();
return(new SelectionRangeInfo(newStartRangePointInfo, newEndRangePointInfo));
}
else
{
TextLineBox workingLine = this;
if (startPoint.LineId != _currentLineNumber)
{
workingLine = _textFlowLayer.GetTextLine(startPoint.LineId);
}
EditableVisualPointInfo newStartPoint = workingLine.Split(startPoint);
workingLine = this;
if (endPoint.LineId != _currentLineNumber)
{
workingLine = _textFlowLayer.GetTextLine(endPoint.LineId);
}
EditableVisualPointInfo newEndPoint = workingLine.Split(endPoint);
return(new SelectionRangeInfo(newStartPoint, newEndPoint));
}
}
internal void Remove(VisualSelectionRange selectionRange)
{
EditableVisualPointInfo startPoint = selectionRange.StartPoint;
EditableVisualPointInfo endPoint = selectionRange.EndPoint;
if (startPoint.Run != null)
{
if (startPoint.Run == endPoint.Run)
{
Run removedRun = startPoint.Run;
Run.InnerRemove(removedRun,
startPoint.RunLocalSelectedIndex,
endPoint.LineCharIndex - startPoint.LineCharIndex, false);
if (removedRun.CharacterCount == 0)
{
if (startPoint.LineId == _currentLineNumber)
{
this.Remove(removedRun);
}
else
{
TextLineBox line = _textFlowLayer.GetTextLine(startPoint.LineId);
line.Remove(removedRun);
}
}
}
else
{
GetStartAndStopLine(startPoint, endPoint, out TextLineBox startLine, out TextLineBox stopLine);
EditableVisualPointInfo newStartPoint = startLine.Split(startPoint);
EditableVisualPointInfo newStopPoint = stopLine.Split(endPoint);
if (startLine == stopLine)
{
if (newStartPoint.Run != null)
{
LinkedList <Run> tobeRemoveRuns = new LinkedList <Run>();
if (newStartPoint.LineCharIndex == 0)
{
foreach (Run t in _textFlowLayer.TextRunForward(
newStartPoint.Run,
newStopPoint.Run))
{
tobeRemoveRuns.AddLast(t);
}
}
else
{
foreach (Run t in _textFlowLayer.TextRunForward(
newStartPoint.Run.NextRun,
newStopPoint.Run))
{
tobeRemoveRuns.AddLast(t);
}
}
startLine.LocalSuspendLineReArrange();
foreach (Run t in tobeRemoveRuns)
{
startLine.Remove(t);
}
startLine.LocalResumeLineReArrange();
}
else
{
//this may be the blank line
startLine.Clear();
#if DEBUG
//TODO: review here again
//System.Diagnostics.Debug.WriteLine("EditableTextLine_adv1");
#endif
}
}
else
{
int startLineId = newStartPoint.LineId;
int stopLineId = newStopPoint.LineId;
if (newStopPoint.LineCharIndex > 0)
{
stopLine.RemoveLeft(newStopPoint.Run);
}
for (int i = stopLineId - 1; i > startLineId; i--)
{
TextLineBox line = _textFlowLayer.GetTextLine(i);
line.Clear();
line.JoinWithNextLine();
}
if (newStartPoint.LineCharIndex == 0)
{
startLine.RemoveRight(newStartPoint.Run);
}
else
{
Run nextRun = (newStartPoint.Run).NextRun;
if (nextRun != null)
{
startLine.RemoveRight(nextRun);
}
}
startLine.JoinWithNextLine();
}
}
}
else
{
GetStartAndStopLine(startPoint, endPoint, out TextLineBox startLine, out TextLineBox stopLine);
EditableVisualPointInfo newStartPoint = startLine.Split(startPoint);
EditableVisualPointInfo newStopPoint = stopLine.Split(endPoint);
if (startLine == stopLine)
{
if (newStartPoint.Run != null)
{
LinkedList <Run> tobeRemoveRuns = new LinkedList <Run>();
if (newStartPoint.LineCharIndex == -1)
{
foreach (Run t in _textFlowLayer.TextRunForward(
newStartPoint.Run,
newStopPoint.Run))
{
tobeRemoveRuns.AddLast(t);
}
}
else
{
foreach (Run t in _textFlowLayer.TextRunForward(
newStartPoint.Run.NextRun,
newStopPoint.Run))
{
tobeRemoveRuns.AddLast(t);
}
}
foreach (Run t in tobeRemoveRuns)
{
startLine.Remove(t);
}
}
else
{
throw new NotSupportedException();
}
}
else
{
int startLineId = newStartPoint.LineId;
int stopLineId = newStopPoint.LineId;
if (newStopPoint.LineCharIndex > -1)
{
stopLine.RemoveLeft(newStopPoint.Run);
}
for (int i = stopLineId - 1; i > startLineId; i--)
{
TextLineBox line = _textFlowLayer.GetTextLine(i);
line.Clear();
line.JoinWithNextLine();
}
if (newStartPoint.LineCharIndex == -1)
{
//TODO: review here again
//at this point newStartPoint.TextRun should always null
if (newStartPoint.Run != null)
{
startLine.RemoveRight(newStartPoint.Run);
}
}
else
{
//at this point newStartPoint.TextRun should always null
//TODO newStartPoint.TextRun == null???
if (newStartPoint.Run != null)
{
Run nextRun = newStartPoint.Run.NextRun;
if (nextRun != null)
{
startLine.RemoveRight(nextRun);
}
}
}
startLine.JoinWithNextLine();
}
}
}
internal void DrawChildContentLcdEffectText(DrawBoard d, UpdateArea updateArea, VisualSelectionRange selRange)
{
List <TextLineBox> lines = _lines;
int renderAreaTop = updateArea.Top;
int renderAreaBottom = updateArea.Bottom;
bool foundFirstLine = false;
int j = lines.Count;
int enter_canvasX = d.OriginX;
int enter_canvasY = d.OriginY;
Rectangle currentClip = d.CurrentClipRect;
Color prev_colorHint = d.TextBackgroundColorHint;
for (int i = 0; i < j; ++i)
{
//draw textline, along with visual selection range
TextLineBox line = lines[i];
int linetop = line.Top;
if (!foundFirstLine)
{
if (linetop + line.ActualLineHeight < renderAreaTop)
{
continue;
}
else
{
foundFirstLine = true;
}
}
else
{
if (linetop > renderAreaBottom)
{
if (VisualLineOverlapped)
{
//more check
if (i < j - 1)
{
//check next line
TextLineBox lowerLine = lines[i + 1];
if (lowerLine.Top - lowerLine.OverlappedTop > linetop)
{
break;
}
}
}
else
{
break;
}
}
}
updateArea.OffsetY(-linetop); //offset
switch (selRange.GetLineClip(i, out int clipLeft, out int clipWidth))
{
//
public void CopySelectedTextRuns(VisualSelectionRange selectionRange, List <EditableRun> output)
{
_currentLine.Copy(selectionRange, output);
}
public EditableVisualPointInfo[] SplitSelectedText(VisualSelectionRange selectionRange)
{
EditableVisualPointInfo[] newPoints = CurrentLine.Split(selectionRange);
EnsureCurrentTextRun();
return(newPoints);
}
public void Copy(VisualSelectionRange selectionRange, List <EditableRun> output)
{
EditableVisualPointInfo startPoint = selectionRange.StartPoint;
EditableVisualPointInfo endPoint = selectionRange.EndPoint;
if (startPoint.TextRun != null)
{
if (startPoint.TextRun == endPoint.TextRun)
{
EditableRun elem =
startPoint.TextRun.Copy(
startPoint.RunLocalSelectedIndex,
endPoint.LineCharIndex - startPoint.LineCharIndex);
if (elem != null)
{
output.Add(elem);
}
}
else
{
EditableTextLine startLine = null;
EditableTextLine stopLine = null;
if (startPoint.LineId == _currentLineNumber)
{
startLine = this;
}
else
{
startLine = EditableFlowLayer.GetTextLine(startPoint.LineId);
}
if (endPoint.LineId == _currentLineNumber)
{
stopLine = this;
}
else
{
stopLine = EditableFlowLayer.GetTextLine(endPoint.LineId);
}
if (startLine == stopLine)
{
EditableRun postCutTextRun = startPoint.TextRun.Copy(startPoint.RunLocalSelectedIndex);
if (postCutTextRun != null)
{
output.Add(postCutTextRun);
}
if (startPoint.TextRun.NextTextRun != endPoint.TextRun)
{
foreach (EditableRun t in EditableFlowLayer.TextRunForward(startPoint.TextRun.NextTextRun, endPoint.TextRun.PrevTextRun))
{
output.Add(t.Clone());
}
}
EditableRun preCutTextRun = endPoint.TextRun.LeftCopy(endPoint.RunLocalSelectedIndex);
if (preCutTextRun != null)
{
output.Add(preCutTextRun);
}
}
else
{
int startLineId = startPoint.LineId;
int stopLineId = endPoint.LineId;
startLine.RightCopy(startPoint, output);
for (int i = startLineId + 1; i < stopLineId; i++)
{
output.Add(new EditableTextRun(this.Root, '\n', this.CurrentTextSpanStyle));
EditableTextLine line = EditableFlowLayer.GetTextLine(i);
line.Copy(output);
}
if (endPoint.LineCharIndex > -1)
{
output.Add(new EditableTextRun(this.Root, '\n', this.CurrentTextSpanStyle));
stopLine.LeftCopy(endPoint, output);
}
}
}
}
else
{
EditableTextLine startLine = null;
EditableTextLine stopLine = null;
if (startPoint.LineId == _currentLineNumber)
{
startLine = this;
}
else
{
startLine = EditableFlowLayer.GetTextLine(startPoint.LineId);
}
if (endPoint.LineId == _currentLineNumber)
{
stopLine = this;
}
else
{
stopLine = EditableFlowLayer.GetTextLine(endPoint.LineId);
}
if (startLine == stopLine)
{
if (startPoint.LineCharIndex == -1)
{
foreach (EditableRun t in EditableFlowLayer.TextRunForward(startPoint.TextRun, endPoint.TextRun.PrevTextRun))
{
output.Add(t.Clone());
}
EditableRun postCutTextRun = endPoint.TextRun.Copy(endPoint.RunLocalSelectedIndex + 1);
if (postCutTextRun != null)
{
output.Add(postCutTextRun);
}
}
else
{
EditableRun postCutTextRun = startPoint.TextRun.Copy(startPoint.RunLocalSelectedIndex + 1);
if (postCutTextRun != null)
{
output.Add(postCutTextRun);
}
foreach (EditableRun t in EditableFlowLayer.TextRunForward(startPoint.TextRun.NextTextRun, endPoint.TextRun.PrevTextRun))
{
output.Add(t.Clone());
}
EditableRun preCutTextRun = endPoint.TextRun.LeftCopy(startPoint.RunLocalSelectedIndex);
if (preCutTextRun != null)
{
output.Add(preCutTextRun);
}
}
}
else
{
int startLineId = startPoint.LineId;
int stopLineId = endPoint.LineId;
startLine.RightCopy(startPoint, output);
for (int i = startLineId + 1; i < stopLineId; i++)
{
output.Add(new EditableTextRun(this.Root, '\n', this.CurrentTextSpanStyle));
EditableTextLine line = EditableFlowLayer.GetTextLine(i);
line.Copy(output);
}
stopLine.LeftCopy(endPoint, output);
}
}
}
internal EditableVisualPointInfo[] Split(VisualSelectionRange selectionRange)
{
selectionRange.SwapIfUnOrder();
EditableVisualPointInfo startPoint = selectionRange.StartPoint;
EditableVisualPointInfo endPoint = selectionRange.EndPoint;
if (startPoint.TextRun == endPoint.TextRun)
{
EditableRun toBeCutTextRun = startPoint.TextRun;
EditableRun preCutTextRun = (EditableRun)toBeCutTextRun.LeftCopy(startPoint.RunLocalSelectedIndex);
EditableRun middleCutTextRun = (EditableRun)toBeCutTextRun.Copy(startPoint.RunLocalSelectedIndex, endPoint.LineCharIndex - startPoint.LineCharIndex);
EditableRun postCutTextRun = (EditableRun)toBeCutTextRun.Copy(endPoint.RunLocalSelectedIndex);
EditableVisualPointInfo newStartRangePointInfo = null;
EditableVisualPointInfo newEndRangePointInfo = null;
EditableTextLine line = this;
if (startPoint.LineId != _currentLineNumber)
{
line = EditableFlowLayer.GetTextLine(startPoint.LineId);
}
line.LocalSuspendLineReArrange();
if (preCutTextRun != null)
{
line.AddBefore(toBeCutTextRun, preCutTextRun);
newStartRangePointInfo = CreateTextPointInfo(
startPoint.LineId, startPoint.LineCharIndex, startPoint.X,
preCutTextRun, startPoint.TextRunCharOffset, startPoint.TextRunPixelOffset);
}
else
{
EditableRun prevTxtRun = GetPrevTextRun((EditableRun)startPoint.TextRun);
if (prevTxtRun != null)
{
newStartRangePointInfo = CreateTextPointInfo(
startPoint.LineId, startPoint.LineCharIndex, startPoint.X, prevTxtRun, startPoint.TextRunCharOffset - preCutTextRun.CharacterCount,
startPoint.TextRunPixelOffset - prevTxtRun.Width);
}
else
{
newStartRangePointInfo = CreateTextPointInfo(
startPoint.LineId,
startPoint.LineCharIndex,
0,
null,
0, 0);
}
}
if (postCutTextRun != null)
{
line.AddAfter(toBeCutTextRun, postCutTextRun);
newEndRangePointInfo =
CreateTextPointInfo(
endPoint.LineId,
endPoint.LineCharIndex,
endPoint.X,
middleCutTextRun,
startPoint.TextRunCharOffset + middleCutTextRun.CharacterCount,
startPoint.TextRunPixelOffset + middleCutTextRun.Width);
}
else
{
EditableRun nextTxtRun = GetNextTextRun((EditableRun)endPoint.TextRun);
if (nextTxtRun != null)
{
newEndRangePointInfo = CreateTextPointInfo(
endPoint.LineId,
endPoint.LineCharIndex,
endPoint.X,
nextTxtRun,
endPoint.TextRunPixelOffset + endPoint.TextRun.CharacterCount,
endPoint.TextRunPixelOffset + endPoint.TextRun.Width);
}
else
{
newEndRangePointInfo = CreateTextPointInfo(
endPoint.LineId,
endPoint.LineCharIndex,
endPoint.X,
middleCutTextRun,
endPoint.TextRunCharOffset,
endPoint.TextRunPixelOffset);
}
}
if (middleCutTextRun != null)
{
line.AddAfter(toBeCutTextRun, middleCutTextRun);
}
else
{
throw new NotSupportedException();
}
line.Remove(toBeCutTextRun);
line.LocalResumeLineReArrange();
return(new EditableVisualPointInfo[] { newStartRangePointInfo, newEndRangePointInfo });
}
else
{
EditableTextLine workingLine = this;
if (startPoint.LineId != _currentLineNumber)
{
workingLine = EditableFlowLayer.GetTextLine(startPoint.LineId);
}
EditableVisualPointInfo newStartPoint = workingLine.Split(startPoint);
workingLine = this;
if (endPoint.LineId != _currentLineNumber)
{
workingLine = EditableFlowLayer.GetTextLine(endPoint.LineId);
}
EditableVisualPointInfo newEndPoint = workingLine.Split(endPoint);
return(new EditableVisualPointInfo[] { newStartPoint, newEndPoint });
}
}
public void Copy(VisualSelectionRange selectionRange, TextRangeCopy output)
{
EditableVisualPointInfo startPoint = selectionRange.StartPoint;
EditableVisualPointInfo endPoint = selectionRange.EndPoint;
if (startPoint.Run != null)
{
if (startPoint.Run == endPoint.Run)
{
CopyRun elem =
startPoint.Run.Copy(
startPoint.RunLocalSelectedIndex,
endPoint.LineCharIndex - startPoint.LineCharIndex);
if (elem != null)
{
output.AppendRun(elem);
}
}
else
{
GetStartAndStopLine(startPoint, endPoint, out TextLineBox startLine, out TextLineBox stopLine);
if (startLine == stopLine)
{
CopyRun rightPart = startPoint.Run.Copy(startPoint.RunLocalSelectedIndex);
if (rightPart != null)
{
output.AppendRun(rightPart);
}
if (startPoint.Run.NextRun != endPoint.Run)
{
foreach (Run run in _textFlowLayer.TextRunForward(
startPoint.Run.NextRun,
endPoint.Run.PrevRun))
{
output.AppendRun(run);
}
}
CopyRun leftPart = endPoint.Run.LeftCopy(endPoint.RunLocalSelectedIndex);
if (leftPart != null)
{
output.AppendRun(leftPart);
}
}
else
{
int startLineId = startPoint.LineId;
int stopLineId = endPoint.LineId;
startLine.RightCopy(startPoint, output);
for (int i = startLineId + 1; i < stopLineId; i++)
{
//begine new line
output.AppendNewLine();
TextLineBox line = _textFlowLayer.GetTextLine(i);
line.Copy(output);
}
if (endPoint.LineCharIndex > -1)
{
output.AppendNewLine();
stopLine.LeftCopy(endPoint, output);
}
}
}
}
else
{
GetStartAndStopLine(startPoint, endPoint, out TextLineBox startLine, out TextLineBox stopLine);
if (startLine == stopLine)
{
if (startPoint.LineCharIndex == -1)
{
foreach (Run t in _textFlowLayer.TextRunForward(
startPoint.Run,
endPoint.Run.PrevRun))
{
output.AppendRun(t);
}
CopyRun postCutTextRun = endPoint.Run.Copy(endPoint.RunLocalSelectedIndex + 1);
if (postCutTextRun != null)
{
output.AppendRun(postCutTextRun);
}
}
else
{
CopyRun rightPart = startPoint.Run.Copy(startPoint.RunLocalSelectedIndex + 1);
if (rightPart != null)
{
output.AppendRun(rightPart);
}
foreach (Run t in _textFlowLayer.TextRunForward(
startPoint.Run.NextRun,
endPoint.Run.PrevRun))
{
output.AppendRun(t.CreateCopy());
}
CopyRun leftPart = endPoint.Run.LeftCopy(startPoint.RunLocalSelectedIndex);
if (leftPart != null)
{
output.AppendRun(leftPart);
}
}
}
else
{
int startLineId = startPoint.LineId;
int stopLineId = endPoint.LineId;
startLine.RightCopy(startPoint, output);
for (int i = startLineId + 1; i < stopLineId; i++)
{
output.AppendNewLine();
TextLineBox line = _textFlowLayer.GetTextLine(i);
line.Copy(output);
}
stopLine.LeftCopy(endPoint, output);
}
}
}
public virtual void VisitSelectionRange(VisualSelectionRange selRange)
{
}
// public void CopySelectedTextRuns(VisualSelectionRange selectionRange, TextRangeCopy output) => _currentLine.Copy(selectionRange, output);