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简约的滚动按钮
// ==UserScript==
// @name ScrollBuddy
// @namespace http://greasyfork.icu/en/users/1451802
// @version 1.0
// @license MIT
// @description Minimalist button for scrolling
// @description:de Minimalistische Schaltfläche zum Scrollen
// @description:es Botón minimalista para desplazarse
// @description:fr Bouton minimaliste pour scroller
// @description:it Pulsante minimalista per lo scorrimento
// @description:ru Минималистичная кнопка для прокрутки
// @description:zh-CN 简约的滚动按钮
// @description:zh-TW 簡約的捲動按鈕
// @description:ja ミニマリストスクロールボタン
// @description:ko 미니멀리스트 스크롤 버튼
// @author NormalRandomPeople (https://github.com/NormalRandomPeople)
// @icon https://www.svgrepo.com/show/533633/arrows-up-down.svg
// @match *://*/*
// @grant GM_addStyle
// @run-at document-end
// @compatible chrome
// @compatible firefox
// @compatible opera
// @compatible brave
// ==/UserScript==
(function() {
'use strict';
if (window !== window.top) {
return;
}
if (document.querySelector('.scroll-toggle-button')) {
return;
}
let smoothScrolling = localStorage.getItem('smoothScrolling') !== null ? JSON.parse(localStorage.getItem('smoothScrolling')) : true;
let fixToBottom = localStorage.getItem('fixToBottom') !== null ? JSON.parse(localStorage.getItem('fixToBottom')) : false;
let fixToTop = localStorage.getItem('fixToTop') !== null ? JSON.parse(localStorage.getItem('fixToTop')) : false;
const button = document.createElement('button');
button.className = 'scroll-toggle-button';
button.textContent = '↓';
button.style.position = 'fixed';
button.style.bottom = '20px';
button.style.right = '20px';
button.style.zIndex = '9999999999';
button.style.padding = '12px';
button.style.borderRadius = '50%';
button.style.backgroundColor = '#333';
button.style.color = 'white';
button.style.border = 'none';
button.style.fontSize = '30px';
button.style.cursor = 'pointer';
button.style.boxShadow = '0 2px 10px rgba(0, 0, 0, 0.3)';
button.style.outline = 'none';
function updateButton() {
if (fixToTop) {
button.textContent = '↑';
button.onclick = () => scrollToTop();
} else if (fixToBottom) {
button.textContent = '↓';
button.onclick = () => scrollToBottom();
} else {
const isAtBottom = (window.innerHeight + window.scrollY) >= document.documentElement.scrollHeight;
const isAtTop = window.scrollY === 0;
if (isAtTop) {
button.textContent = '↓';
button.onclick = () => scrollToBottom();
} else if (isAtBottom) {
button.textContent = '↑';
button.onclick = () => scrollToTop();
}
}
}
function scrollToBottom() {
window.scrollTo({ top: document.documentElement.scrollHeight - window.innerHeight, behavior: smoothScrolling ? 'smooth' : 'auto' });
}
function scrollToTop() {
window.scrollTo({ top: 0, behavior: smoothScrolling ? 'smooth' : 'auto' });
}
updateButton();
window.addEventListener('scroll', updateButton);
document.body.appendChild(button);
GM_addStyle(`
.scroll-toggle-button:hover {
background-color: #555;
transform: scale(1.1);
}
.scroll-toggle-button:active {
transform: scale(0.95);
}
.custom-context-menu div {
padding: 8px 15px;
cursor: pointer;
transition: background-color 0.2s ease;
text-align: left;
}
.custom-context-menu div:hover {
background-color: #444;
}
.custom-context-menu div:active {
background-color: #555;
}
.custom-context-menu div.selected {
background-color: #333;
}
`);
function createContextMenu(event) {
event.preventDefault();
const existingMenu = document.querySelector('.custom-context-menu');
if (existingMenu) {
existingMenu.remove();
}
const menu = document.createElement('div');
menu.className = 'custom-context-menu';
menu.style.position = 'absolute';
menu.style.backgroundColor = '#333';
menu.style.color = 'white';
menu.style.borderRadius = '5px';
menu.style.boxShadow = '0 2px 10px rgba(0, 0, 0, 0.3)';
menu.style.padding = '10px';
menu.style.fontFamily = 'Arial, sans-serif';
menu.style.fontSize = '14px';
menu.style.zIndex = '99999999999';
const buttonRect = button.getBoundingClientRect();
let menuLeft = buttonRect.left + window.scrollX - 220;
let menuTop = buttonRect.top + window.scrollY - 130;
const screenWidth = window.innerWidth;
const menuWidth = 150;
const marginRight = 30;
if (menuLeft + menuWidth > screenWidth - marginRight) {
menuLeft = screenWidth - menuWidth - marginRight;
}
const screenHeight = window.innerHeight;
if (menuTop < 0) {
menuTop = buttonRect.bottom + window.scrollY + 20;
}
menu.style.left = `${menuLeft}px`;
menu.style.top = `${menuTop}px`;
const smoothScrollingOption = document.createElement('div');
smoothScrollingOption.textContent = smoothScrolling ? '✓ Enable Smooth Scrolling' : 'Enable Smooth Scrolling';
smoothScrollingOption.onclick = () => {
smoothScrolling = !smoothScrolling;
localStorage.setItem('smoothScrolling', smoothScrolling);
updateButton();
menu.remove();
};
const fixToBottomOption = document.createElement('div');
fixToBottomOption.textContent = fixToBottom ? '✓ Fix to Bottom' : 'Fix to Bottom';
fixToBottomOption.onclick = () => {
fixToBottom = !fixToBottom;
if (fixToBottom) {
fixToTop = false;
}
localStorage.setItem('fixToBottom', fixToBottom);
localStorage.setItem('fixToTop', fixToTop);
updateButton();
menu.remove();
};
const fixToTopOption = document.createElement('div');
fixToTopOption.textContent = fixToTop ? '✓ Fix to Top' : 'Fix to Top';
fixToTopOption.onclick = () => {
fixToTop = !fixToTop;
if (fixToTop) {
fixToBottom = false;
}
localStorage.setItem('fixToTop', fixToTop);
localStorage.setItem('fixToBottom', fixToBottom);
updateButton();
menu.remove();
};
menu.appendChild(smoothScrollingOption);
menu.appendChild(fixToBottomOption);
menu.appendChild(fixToTopOption);
document.body.appendChild(menu);
document.addEventListener('click', () => menu.remove(), { once: true });
}
button.addEventListener('contextmenu', createContextMenu);
})();