/// <summary>
/// Gets the distance to the left border of the text area of the specified visual column.
/// The visual column must belong to the specified text line.
/// </summary>
public double GetTextLineVisualXPosition(TextLine textLine, int visualColumn)
{
if (textLine == null)
{
throw new ArgumentNullException(nameof(textLine));
}
var xPos = textLine.GetDistanceFromCharacter(
Math.Min(visualColumn, VisualLengthWithEndOfLineMarker), 0);
if (visualColumn > VisualLengthWithEndOfLineMarker)
{
xPos += (visualColumn - VisualLengthWithEndOfLineMarker) * _textView.WideSpaceWidth;
}
return(xPos);
}