Function getX

tools/pythonauto/static/codemirrorepl/codemirrorepl.js:1754–1756

(len)

            if (x <= 0) return 0;
            var lineObj = getLine(line), text = lineObj.text;
            function getX(len) {
                return measureLine(lineObj, len).left;
            }
            var from = 0, fromX = 0, to = text.length, toX;
            // Guess a suitable upper bound for our search.
            var estimated = Math.min(to, Math.ceil(x / charWidth()));