/// <summary>
/// Assigns a new text to the row.
/// </summary>
/// <param name="text"></param>
public void SetText(string Text)
{
this.Document.StartUndoCapture();
TextPoint tp = new TextPoint(0, this.Index);
TextRange tr = new TextRange();
tr.FirstColumn = 0;
tr.FirstRow = tp.Y;
tr.LastColumn = this.Text.Length;
tr.LastRow = tp.Y;
this.Document.StartUndoCapture();
//delete the current line
this.Document.PushUndoBlock(UndoAction.DeleteRange, this.Document.GetRange(tr), tr.FirstColumn, tr.FirstRow, this.RevisionMark);
//alter the text
this.Document.PushUndoBlock(UndoAction.InsertRange, Text, tp.X, tp.Y, this.RevisionMark);
this.Text = Text;
this.Document.EndUndoCapture();
this.Document.InvokeChange();
}
/// <summary>
/// Caret constructor
/// </summary>
/// <param name="control">The control that will use the caret</param>
public Caret(EditViewControl control)
{
Position = new TextPoint(0, 0);
Control = control;
}
public Point GetTextPointPixelPos(TextPoint tp)
{
Row xtr = Control.Document[tp.Y];
if (xtr.RowState == RowState.SpanParsed)
Control.Document.Parser.ParseRow(xtr.Index, true);
Row r = xtr.IsCollapsedEndPart ? xtr.Expansion_StartRow : xtr;
int index = r.VisibleIndex;
int yPos = (index - Control.View.FirstVisibleRow);
if (yPos < 0 || yPos > Control.View.VisibleRowCount)
return new Point(-1, -1);
yPos *= Control.View.RowHeight;
bool Collapsed = (xtr.IsCollapsedEndPart);
int pos = MeasureRow(xtr, tp.X).Width + 1;
if (Collapsed) {
pos += xtr.Expansion_PixelStart;
pos -= MeasureRow(xtr, xtr.Expansion_StartChar).Width;
}
int xPos = pos + Control.View.TextMargin - Control.View.ClientAreaStart;
if (xPos < Control.View.TextMargin || xPos > Control.View.ClientAreaWidth + Control.View.TextMargin)
return new Point(-1, -1);
return new Point(xPos, yPos);
}