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codemadness.org:70 codemadness.org:70/0/downloads/input_focus.user.js
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// ==UserScript==
// @name Input focus
// @namespace -
// @description Input focus
// @version 1.1
// @grant none
// ==/UserScript==
//
// 1.1
// - added toggle to blur field (ctrl+space).
//
(function() {
function hasfocus(el) {
return el === document.activeElement;
}
function findfield() {
var found = null;
var el = document.activeElement;
if(typeof(el) == 'object') {
var type = (el.type || '').toLowerCase();
if(el.tagName == 'INPUT' && ['text', 'search'].indexOf(type) != -1)
found = el;
}
if(found === null) {
var els = document.getElementsByTagName('input') || [];
for(var i = 0; i < els.length; i++) {
var type = (els[i].type || '').toLowerCase();
if(['text', 'search'].indexOf(type) != -1) {
found = els[i];
break;
}
}
}
if(found !== null) {
return found;
}
return null;
}
function focusfield(el) {
if(el === null)
return el;
el.click(); // Some sites require this to clear the input field.
var value = el.value || '';
el.selectionStart = 0; // value.length;
el.selectionEnd = value.length;
el.focus();
return el;
}
function blurfield(el) {
el.blur();
}
function onkeydown(e) {
if(e.ctrlKey && e.keyCode == 32) { /* ctrl + space */
var el = findfield();
/* toggle */
if(hasfocus(el)) {
blurfield(el);
} else {
focusfield(el);
}
}
}
window.addEventListener('keydown', onkeydown, true);
// focusfield(findfield());
})();
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