Esempio n. 1
0
        public ITextRangeProvider[] GetVisibleRanges()
        {
            ITextRangeProvider[] ret = new ITextRangeProvider[1];
            if (this.fooTextBox.LayoutLineCollection.Count == 0)
            {
                ret[0] = new FooTextBoxRangeProvider(this.fooTextBox, 0, 0, this);
            }
            else
            {
                EditView view = this.fooTextBox.View;

                int startIndex = view.GetIndexFromLayoutLine(new TextPoint(view.Src.Row, 0));
                int endIndex   = view.GetIndexFromLayoutLine(new TextPoint(view.Src.Row + view.LineCountOnScreen, 0));
                ret[0] = new FooTextBoxRangeProvider(this.fooTextBox, startIndex, endIndex - startIndex, this);
            }
            return(ret);
        }
Esempio n. 2
0
        public ITextRangeProvider GetCaretRange(out bool isActive)
        {
            EditView view = this.fooTextBox.View;
            Document doc  = this.fooTextBox.Document;

            isActive = true;
            int index  = view.GetIndexFromLayoutLine(doc.CaretPostion);
            int length = 1;

            if (index == this.fooTextBox.Document.Length)
            {
                length = 0;
            }

            return(new FooTextBoxRangeProvider(this.fooTextBox, index, length, this));
        }
Esempio n. 3
0
        public ITextRangeProvider RangeFromPoint(System.Windows.Point screenLocation)
#endif
        {
            Point    pt   = Util.GetClientPoint(screenLocation, fooTextBox);
            EditView view = this.fooTextBox.View;

            TextPoint tp = view.GetTextPointFromPostion(pt);

            if (tp == TextPoint.Null)
            {
                tp = new TextPoint(view.Src.Row, 0);
            }
            int index  = view.GetIndexFromLayoutLine(tp);
            int length = 1;

            if (index == this.fooTextBox.Document.Length)
            {
                length = 0;
            }

            return(new FooTextBoxRangeProvider(this.fooTextBox, index, length, this));
        }