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Sets form's target to `_blank` when submitted while Control key is being pressed. Allow submit with middle mouse button.
// ==UserScript==
// @name Submit to Tab with Ctrl + Click / Ctrl + Enter / Middle click
// @description Sets form's target to `_blank` when submitted while Control key is being pressed. Allow submit with middle mouse button.
// @namespace http://eldar.cz/myf/
// @license CC0
// @version 2.2.0
// @grant none
// @include *
// ==/UserScript==
// https://greasyfork.org/en/scripts/9954/versions/new
const controlKey = "Control";
const middleMouseButton = 4;
let isControlPressed = false;
let formElement = null;
let pressedButton = null;
let originalTarget = '';
window.addEventListener( 'submit', onSubmit, true );
window.addEventListener( 'keydown', onKeydown, true );
window.addEventListener( 'keyup', onKeyup, true );
window.addEventListener( 'mousedown', onMousedown, true );
window.addEventListener( 'mouseup', onMouseup, true );
window.addEventListener( 'blur', onBlur, false );
function onSubmit ( event ) {
if ( isControlPressed === true && formElement === null ) {
formElement = event.target;
originalTarget = formElement.target;
formElement.target = '_blank';
}
}
function onKeydown ( event ) {
if ( event.key === controlKey ) {
isControlPressed = true;
}
}
function onKeyup ( event ) {
if ( event.key === controlKey ) {
isControlPressed = false;
if ( formElement !== null ) {
formElement.target = originalTarget;
formElement = null;
originalTarget = '';
}
}
}
function onMousedown ( event ) {
if ( event.buttons === middleMouseButton ) {
if ( event.target?.type === 'submit' ) {
pressedButton = event.target;
}
}
}
function onMouseup ( event ) {
if ( pressedButton === event.target ) {
let _origTarget = pressedButton.form.target;
pressedButton.form.target = '_blank';
pressedButton.form.dispatchEvent(
new SubmitEvent("submit", { submitter: pressedButton })
);
pressedButton.form.target = _origTarget;
}
pressedButton = null;
}
function onBlur ( event ) {
onKeyup( { key: controlKey } );
}