Useless Things Series: Text Hider Overlay

Overlay to hide text with blur effect and draggable/resizable features. Good for when using a computer or laptop in a public area. With create(alt h) multiple overlays, remove(alt j) the last created overlay, remove all overlay(alt k) except one, hide or show(alt l) all overlays.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Useless Things Series: Text Hider Overlay
// @namespace    http://tampermonkey.net/
// @version      2.0
// @description  Overlay to hide text with blur effect and draggable/resizable features. Good for when using a computer or laptop in a public area.  With create(alt h) multiple overlays, remove(alt j) the last created overlay, remove all overlay(alt k) except one, hide or show(alt l) all overlays.
// @match        *://*/*
// @grant        GM_addStyle
// @license      MIT
// @namespace https://greasyfork.org/users/1126616
// ==/UserScript==

(function() {
    'use strict';
    // Function to create a new overlay
    function createOverlay() {
        const overlay = document.createElement('div');
        overlay.className = 'text-hide-overlay';
        overlay.innerHTML = `
            <div class="draggable-handle"></div>
            <div class="resize-controls">
                <div class="resize-minus">-</div>
                <input type="number" class="overlay-size" value="200" min="100">
                <div class="resize-plus">+</div>
            </div>
            <input type="range" min="0" max="10" value="5" class="blur-slider">
        `;
        document.body.appendChild(overlay);

        // Apply styles
        overlay.style.position = 'fixed';
        overlay.style.top = '50%';
        overlay.style.left = '50%';
        overlay.style.transform = 'translate(-50%, -50%)';
        overlay.style.width = '200px';
        overlay.style.height = '200px';
        overlay.style.backgroundColor = 'rgba(0, 0, 0, 0.5)';
        overlay.style.zIndex = '9999';
        overlay.style.border = '1px solid #ccc';
        overlay.style.overflow = 'hidden';
        overlay.style.filter = 'blur(5px)';
        overlay.style.webkitBackdropFilter = 'blur(5px)';
        overlay.style.backdropFilter = 'blur(5px)';
        overlay.style.pointerEvents = 'none'; /* Allow mouse events to pass through */
        overlay.style.display = 'none'; /* Initially hide the overlay */

        // Drag and drop functionality
        let isDragging = false;
        let offsetX, offsetY;

        const draggableHandle = overlay.querySelector('.draggable-handle');

        draggableHandle.addEventListener('mousedown', startDrag);

        function startDrag(e) {
            isDragging = true;
            offsetX = e.clientX - overlay.offsetLeft;
            offsetY = e.clientY - overlay.offsetTop;
            document.addEventListener('mousemove', drag);
            document.addEventListener('mouseup', stopDrag);
        }

        function drag(e) {
            if (isDragging) {
                overlay.style.left = e.clientX - offsetX + 'px';
                overlay.style.top = e.clientY - offsetY + 'px';
            }
        }

        function stopDrag() {
            isDragging = false;
            document.removeEventListener('mousemove', drag);
            document.removeEventListener('mouseup', stopDrag);
        }

        // Functionality for resizing the overlay
        const resizePlus = overlay.querySelector('.resize-plus');
        const resizeMinus = overlay.querySelector('.resize-minus');
        const overlaySize = overlay.querySelector('.overlay-size');
        const blurSlider = overlay.querySelector('.blur-slider');

        resizePlus.addEventListener('click', () => {
            const newSize = parseInt(overlaySize.value) + 10;
            overlaySize.value = newSize;
            overlay.style.width = newSize + 'px';
            overlay.style.height = newSize + 'px';
        });

        resizeMinus.addEventListener('click', () => {
            const newSize = parseInt(overlaySize.value) - 10;
            if (newSize >= 100) {
                overlaySize.value = newSize;
                overlay.style.width = newSize + 'px';
                overlay.style.height = newSize + 'px';
            }
        });

        // Set default blur value to 0
        blurSlider.value = 0;

        // Apply initial blur to the overlay
        const initialBlurValue = 0;
        overlay.style.filter = `blur(${initialBlurValue}px)`;
        overlay.style.webkitFilter = `blur(${initialBlurValue}px)`;

        // Slider functionality
        blurSlider.addEventListener('input', (e) => {
            const blurValue = e.target.value;
            overlay.style.filter = `blur(${blurValue}px)`;
            overlay.style.webkitFilter = `blur(${blurValue}px)`;
        });

        overlaySize.addEventListener('keyup', (e) => {
            if (e.key === 'Enter') {
                const newSize = parseInt(overlaySize.value);
                if (!isNaN(newSize) && newSize >= 100) {
                    overlay.style.width = newSize + 'px';
                    overlay.style.height = newSize + 'px';
                }
            }
        });

        return overlay;
    }

    // Function to create overlay
    function toggleOverlay(overlay) {
        overlay.style.display = overlay.style.display === 'none' ? 'block' : 'none';
    }

    // Function to remove the last created overlay when 'j' is pressed
    function removeLastOverlay() {
        const overlay = document.querySelector('.text-hide-overlay:last-child');
        if (overlay) {
            overlay.parentNode.removeChild(overlay);
        }
    }

    // Function to remove all overlays except for one
    function removeAllOverlaysExceptOne() {
        const overlays = document.querySelectorAll('.text-hide-overlay');
        const numOverlays = overlays.length;
        if (numOverlays > 1) {
            for (let i = 0; i < numOverlays - 1; i++) {
                overlays[i].parentNode.removeChild(overlays[i]);
            }
        }
    }

    // Function to hide or show all overlays
    function toggleAllOverlays() {
        const overlays = document.querySelectorAll('.text-hide-overlay');
        overlays.forEach(overlay => {
            overlay.style.display = overlay.style.display === 'none' ? 'block' : 'none';
        });
    }

    // Call toggleOverlay function when a specific key is pressed
    document.addEventListener('keydown', function(event) {
        if (event.altKey && event.key === 'h') {
            const newOverlay = createOverlay();
            toggleOverlay(newOverlay);
        }
    });

    // Call removeLastOverlay function when 'j' is pressed
    document.addEventListener('keydown', function(event) {
        if (event.altKey && event.key === 'j') {
            removeLastOverlay();
        }
    });

    // Call removeAllOverlaysExceptOne function when 'k' is pressed
    document.addEventListener('keydown', function(event) {
        if (event.altKey && event.key === 'k') {
            removeAllOverlaysExceptOne();
        }
    });

    // Call toggleAllOverlays function when 'l' is pressed
    document.addEventListener('keydown', function(event) {
        if (event.altKey && event.key === 'l') {
            toggleAllOverlays();
        }
    });

    // Adding GM styles
    GM_addStyle(`
.text-hide-overlay {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    border: 1px solid #ccc;
    overflow: hidden;
    filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    pointer-events: none; /* Allow mouse events to pass through */
    display: none; /* Initially hide the overlay */
}

.text-hide-overlay * {
    pointer-events: auto; /* Enable mouse events for all children */
}

.draggable-handle {
    width: 100%;
    height: 20px;
    cursor: move;
    background-color: #dc143c;
}

.resize-controls {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    background-color: #dc143c;
}

.resize-plus,
.resize-minus {
    width: 20px;
    height: 20px;
    cursor: pointer;
    background-color: #fff;
    text-align: center;
    line-height: 20px;
    background-color: #dc143c;
}

.resize-plus {
    margin-left: 5px;
    margin-right: 5px;
}

.resize-minus {
    margin-right: 5px;
}

.overlay-size {
    width: 50px;
    text-align: center;
}

.blur-slider {
    position: relative;
    z-index: 9999;
}
    `);

})();