Text Highlighter with TTS

Highlight text on any website and have it read using TTS with options for voice and speed.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Text Highlighter with TTS
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  Highlight text on any website and have it read using TTS with options for voice and speed.
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Create GUI
    let gui = document.createElement('div');
    gui.style.position = 'fixed';
    gui.style.top = '20px';
    gui.style.left = '20px';
    gui.style.width = '300px';
    gui.style.height = '200px';
    gui.style.background = 'gray';
    gui.style.borderRadius = '10px';
    gui.style.boxShadow = '2px 2px 10px rgba(0, 0, 0, 0.5)';
    gui.innerHTML = `
        <div style="background-color: #ccc; padding: 10px; border-radius: 10px 10px 0 0;">
            <span style="font-size: 18px;">Highlighter</span>
        </div>
        <div style="padding: 10px;">
            <button id="readButton">Read Selected Text</button>
            <br><br>
            <label for="voiceSelect">Voice: </label>
            <select id="voiceSelect"></select>
            <br><br>
            <label for="speedRange">Speed: </label>
            <input type="range" id="speedRange" min="0.5" max="2" step="0.1" value="1">
        </div>
    `;
    document.body.appendChild(gui);

    // Drag functionality
    gui.onmousedown = function(e) {
        let shiftX = e.clientX - gui.getBoundingClientRect().left;
        let shiftY = e.clientY - gui.getBoundingClientRect().top;

        function moveAt(pageX, pageY) {
            gui.style.left = pageX - shiftX + 'px';
            gui.style.top = pageY - shiftY + 'px';
        }

        function onMouseMove(e) {
            moveAt(e.pageX, e.pageY);
        }

        document.addEventListener('mousemove', onMouseMove);

        gui.onmouseup = function() {
            document.removeEventListener('mousemove', onMouseMove);
            gui.onmouseup = null;
        };
    };

    gui.ontouchstart = function(e) {
        let shiftX = e.touches[0].clientX - gui.getBoundingClientRect().left;
        let shiftY = e.touches[0].clientY - gui.getBoundingClientRect().top;

        function moveAt(pageX, pageY) {
            gui.style.left = pageX - shiftX + 'px';
            gui.style.top = pageY - shiftY + 'px';
        }

        function onTouchMove(e) {
            moveAt(e.touches[0].pageX, e.touches[0].pageY);
        }

        document.addEventListener('touchmove', onTouchMove);

        gui.ontouchend = function() {
            document.removeEventListener('touchmove', onTouchMove);
            gui.ontouchend = null;
        };
    };

    // Disable text selection while dragging
    gui.ondragstart = function() {
        return false;
    };

    // TTS setup
    let synth = window.speechSynthesis;
    let voices = [];

    function populateVoiceList() {
        voices = synth.getVoices();
        let voiceSelect = document.getElementById('voiceSelect');
        voiceSelect.innerHTML = '';
        voices.forEach((voice, index) => {
            let option = document.createElement('option');
            option.textContent = voice.name + ' (' + voice.lang + ')';
            option.value = index;
            voiceSelect.appendChild(option);
        });
    }

    populateVoiceList();
    if (speechSynthesis.onvoiceschanged !== undefined) {
        speechSynthesis.onvoiceschanged = populateVoiceList;
    }

    // Detect selected text
    let selectedText = '';
    document.addEventListener('selectionchange', () => {
        let selection = window.getSelection();
        if (selection && selection.rangeCount > 0) {
            selectedText = selection.toString().trim();
        }
    });

    // Read selected text using TTS
    document.getElementById('readButton').addEventListener('click', () => {
        if (selectedText) {
            let utterThis = new SpeechSynthesisUtterance(selectedText);
            utterThis.voice = voices[document.getElementById('voiceSelect').value];
            utterThis.rate = document.getElementById('speedRange').value;
            synth.speak(utterThis);
        } else {
            alert('Please select some text first.');
        }
    });
})();