Function inputActive

Picviewer CE+/dist.user.js:27372–27392

(doc)

        }

        function inputActive(doc) {
            let activeEl = getActiveElement(doc);
            if (activeEl &&
                ((/INPUT|TEXTAREA/i.test(activeEl.nodeName) &&
                  activeEl.getAttribute("aria-readonly") != "true"
                 ) ||
                 activeEl.contentEditable == 'true'
                )
               ) {
                return true;
            } else {
                while (activeEl && activeEl.nodeName) {
                    if (activeEl.contentEditable == 'true') return true;
                    if (activeEl.nodeName.toUpperCase() == 'BODY') {
                        break;
                    }
                    activeEl = activeEl.parentNode;
                }
            }
            return false;
        }

        let keypressing = false;
        function keydown(event) {