IFormattedLine AddLineTransform(IFormattedLine line, double yPosition, ViewRelativePosition placement)
{
if (line != null)
{
var lineTransform = lineTransformProvider.GetLineTransform(line, yPosition, placement);
if (lineTransform != line.LineTransform)
{
line.SetLineTransform(lineTransform);
line.SetChange(TextViewLineChange.NewOrReformatted);
}
}
return(line);
}
IFormattedLine?GetLineAfter(IFormattedLine line)
{
var physLine = GetPhysicalLine(line);
int index = physLine.Lines.IndexOf(line);
if (index < 0)
{
throw new InvalidOperationException();
}
if (index + 1 < physLine.Lines.Count)
{
return(physLine.Lines[index + 1]);
}
if (physLine.IsLastLine)
{
return(null);
}
physLine = GetPhysicalLine(physLine.BufferSpan.End);
return(physLine.Lines[0]);
}
IFormattedLine?GetLineBefore(IFormattedLine line)
{
var physLine = GetPhysicalLine(line);
int index = physLine.Lines.IndexOf(line);
if (index < 0)
{
throw new InvalidOperationException();
}
if (index > 0)
{
return(physLine.Lines[index - 1]);
}
if (physLine.BufferSpan.Start.Position == 0)
{
return(null);
}
physLine = GetPhysicalLine(physLine.BufferSpan.Start - 1);
return(physLine.Lines[physLine.Lines.Count - 1]);
}
public LineInfo(IFormattedLine line)
{
Line = line;
Visual = line.GetOrCreateVisual();
}
public LineInfo(IFormattedLine line, double y)
{
Line = line;
Y = y;
}
PhysicalLine GetPhysicalLine(IFormattedLine line) => toPhysicalLine[line];
public LineInfo(IFormattedLine line, double y) {
Line = line;
Y = y;
}
PhysicalLine GetPhysicalLine(IFormattedLine line) => toPhysicalLine[line];
IFormattedLine GetLineAfter(IFormattedLine line) {
var physLine = GetPhysicalLine(line);
int index = physLine.Lines.IndexOf(line);
if (index < 0)
throw new InvalidOperationException();
if (index + 1 < physLine.Lines.Count)
return physLine.Lines[index + 1];
if (physLine.IsLastLine)
return null;
physLine = GetPhysicalLine(physLine.BufferSpan.End);
return physLine.Lines[0];
}
IFormattedLine GetLineBefore(IFormattedLine line) {
var physLine = GetPhysicalLine(line);
int index = physLine.Lines.IndexOf(line);
if (index < 0)
throw new InvalidOperationException();
if (index > 0)
return physLine.Lines[index - 1];
if (physLine.BufferSpan.Start.Position == 0)
return null;
physLine = GetPhysicalLine(physLine.BufferSpan.Start - 1);
return physLine.Lines[physLine.Lines.Count - 1];
}
IFormattedLine AddLineTransform(IFormattedLine line, double yPosition, ViewRelativePosition placement) {
if (line != null) {
var lineTransform = lineTransformProvider.GetLineTransform(line, yPosition, placement);
if (lineTransform != line.LineTransform) {
line.SetLineTransform(lineTransform);
line.SetChange(TextViewLineChange.NewOrReformatted);
}
}
return line;
}
public LineInfo(IFormattedLine line) {
Line = line;
Visual = line.GetOrCreateVisual();
}