public RectangleF CalcCursorRectangle()
{
Paragraph para = CurrentParagraph;
int x = CursorPosition;
ParagraphPosition pos = para.PositionAtIndex(x);
float top = para.LineOffset * LineHeight;
float y = top + (pos.LineIndex * LineHeight);
return(new RectangleF(pos.ColumnStart, y, pos.ColumnWidth, LineHeight));
}
public void SetCursorPosition(float x, float y)
{
int line = 0;
CurrentParagraphIndex = FindParagraphIndexOnScreen(y);
Paragraph para = CurrentParagraph;
if (para.LineCount > 0)
{
line = (int)((y - para.Top - 1) / LineHeight);
}
ParagraphPosition pos = para.PositionAtLineWidth(x, line);
CursorPosition = pos.Position;
ResetCursorColoumns();
}
public void MoveParagraphHome()
{
ParagraphPosition pt = CurrentParagraph.PositionAtIndex(CursorPosition);
int line = pt.LineIndex;
int col = pt.Column;
if (col <= 0)
{
CursorPosition = 0;
}
else
{
CursorPosition = CurrentParagraph.PositionAtLineIndex(0, line);
}
ResetCursorColoumns();
CurrentColumnBOL = true;
}
