public Line(string text, LineModification changed, Document document)
{
if (document == null)
throw new ArgumentNullException("document");
this.text = text;
this.Dirty = changed;
this.document = document;
if (changed == LineModification.Unsaved)
document.Dirty = true;
}
public void PaintLine(Line line, Gutter.Gutter gutter, int firstColumn, Document doc)
{
var x = 0;
var offset = gutter.Width - (firstColumn * geometry.CharWidth);
var spans = doc.ApplySelectionSpan(line.Spans, line);
foreach (var span in SplitSpansForRendering(spans))
{
if (span.renderCache == null)
span.renderCache = new RenderCache(span, geometry, line, x);
if (offset + span.renderCache.Width >= 0)
PaintSpan(span, offset);
offset += span.renderCache.Width;
x += span.renderCache.Text.Length;
if (offset > g.ClipBounds.Right) break;
}
}
internal Caret(Document document, int line, int column)
: this(document)
{
this.line = line;
this.column = column;
}
internal Caret(Document document)
{
this.document = document;
}
public static Caret AtVirtualPosition(Document d, Point location)
{
Caret c = Caret.AtStartOfLine(d, location.X);
c.column = c.GetRealColumn(location.Y);
return c;
}
public static Caret AtStartOfLine(Document d, int line)
{
return new Caret(d, line, 0);
}
public static Caret AtStartOfDocument(Document document)
{
return new Caret(document, 0, 0);
}
public static Caret AtEndOfLine(Document d, int line)
{
return new Caret(d, line, d.Lines[line].Text.Length);
}
public static Caret AtEndOfDocument(Document Document)
{
return AtEndOfLine(Document, Document.Lines.Count - 1);
}
