Create a QR code from anything highlighted
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// ==UserScript==
// @name QR from highlight
// @namespace http://tampermonkey.net/
// @version 0.1
// @description Create a QR code from anything highlighted
// @match http://*/*
// @match https://*/*
// @grant none
// @require https://cdnjs.cloudflare.com/ajax/libs/qrcode-generator/1.4.4/qrcode.js
// ==/UserScript==
(function () {
'use strict';
// Function to get the currently selected text
function getSelectionText() {
var selectedText = '';
if (window.getSelection) {
// All modern browsers and IE9+
selectedText = window.getSelection().toString();
}
return selectedText;
}
// Function to generate and display QR code
function generateQRCode(text) {
let qrElement = document.getElementById('generated-qr-code');
if (!qrElement) {
qrElement = document.createElement('div');
qrElement.id = 'generated-qr-code';
document.body.appendChild(qrElement);
}
qrElement.innerHTML = ''; // Clear any previous QR codes
let typeNumber = 0; // Auto detect QR code type based on input data
let errorCorrectionLevel = 'L'; // Low error correction level
let qr = qrcode(typeNumber, errorCorrectionLevel);
qr.addData(text);
qr.make();
// Add QR code to the container
qrElement.innerHTML = qr.createImgTag(5);
// Style the container
qrElement.style.width = '200px';
qrElement.style.height = '200px';
qrElement.style.position = 'fixed';
qrElement.style.bottom = '10px';
qrElement.style.right = '10px';
qrElement.style.zIndex = '1000';
}
// Listen for text selection
document.addEventListener('mouseup', function () {
let selectedText = getSelectionText();
if (selectedText) {
generateQRCode(selectedText);
}
});
})();