Function getScrollBarCenter

test/jasmine/tests/updatemenus_test.js:1327–1337

(scrollBox, scrollBar)

    }

    function getScrollBarCenter(scrollBox, scrollBar) {
        var scrollBoxTranslate = Drawing.getTranslate(scrollBox);
        var scrollBarTranslate = Drawing.getTranslate(scrollBar);
        var translateX = scrollBoxTranslate.x + scrollBarTranslate.x;
        var translateY = scrollBoxTranslate.y + scrollBarTranslate.y;
        var center = getCenter(scrollBar);
        var x = center.x + translateX;
        var y = center.y + translateY;

        return { x: x, y: y };
    }

    function click(node) {
        node.dispatchEvent(new MouseEvent('click'), {