The "Font Size Changer with Side Pane Width Draggable" script is a Tampermonkey user script that modifies the font size and other styles of web elements with the class ".text-base". It sets the font size, line height, font family, and font weight to predefined values for improved readability. Additionally, the script adjusts the max width of elements with the class ".xl:max-w-3xl" to a specific value. Furthermore, it deactivates the "font-size" property for elements with the class ".prose" by setting it to "inherit". These changes are made using the GM_addStyle function, making it easy to customize the font styles according to your preference. The script also allows you to change the width of elements with the class ".md:w-[260px]" (side pane) by dragging it with the cursor.
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// ==UserScript==
// @name ChatGPT Font Size Changer with Side Pane Width Draggable
// @namespace https://chat.openai.com/
// @description The "Font Size Changer with Side Pane Width Draggable" script is a Tampermonkey user script that modifies the font size and other styles of web elements with the class ".text-base". It sets the font size, line height, font family, and font weight to predefined values for improved readability. Additionally, the script adjusts the max width of elements with the class ".xl:max-w-3xl" to a specific value. Furthermore, it deactivates the "font-size" property for elements with the class ".prose" by setting it to "inherit". These changes are made using the GM_addStyle function, making it easy to customize the font styles according to your preference. The script also allows you to change the width of elements with the class ".md:w-[260px]" (side pane) by dragging it with the cursor.
// @match https://chat.openai.com/*
// @author Amitai Salmon
// @grant GM_addStyle
// @version 2.0.0
// @require https://code.jquery.com/jquery-3.6.0.min.js
// ==/UserScript==
(function() {
"use strict";
// Define CSS values as variables
let fontSize = 1.3;
let searchBoxfontSize = 1.25;
let lineHeight = 2.2;
const TEXT_BASE_FONT_FAMILY = "Calibri";
const TEXT_BASE_FONT_WEIGHT = "100";
const XL_MAX_WIDTH = "70rem";
const SIDE_MENU_MIN_WIDTH = 350; // minimum width of side pane in pixels
var editMenu = 0;
// Function to change the font size and side pane width
function changeFontSizeAndSidePaneWidth() {
GM_addStyle(`.text-base {
font-size: ${fontSize}rem !important;
line-height: ${lineHeight}rem !important;
font-family: ${TEXT_BASE_FONT_FAMILY} !important;
font-weight: ${TEXT_BASE_FONT_WEIGHT} !important;
}`);
GM_addStyle(`.xl\\:max-w-3xl {
max-width: ${XL_MAX_WIDTH} !important;
}`);
GM_addStyle(`.bg-gray-900 {
width: ${SIDE_MENU_MIN_WIDTH}px !important;
overflow: hidden;
transition: width 0.3s;
}`);
GM_addStyle(`.w-\\[260px\\] {
width: ${SIDE_MENU_MIN_WIDTH}px;
overflow: hidden;
transition: width 0.3s;
}`);
GM_addStyle(`.md\\:w-\\[260px\\]:active {
cursor: ew-resize;
user-select: none;
}`);
GM_addStyle(`.prose {
font-size: inherit !important;
line-height: inherit !important;
font-family: inherit !important;
font-weight: inherit !important;
}`);
GM_addStyle(`.md\\:pb-6 {
padding-bottom: 2.5rem !important;
}`);
GM_addStyle(`.text-gray-100 {
font-size: ${searchBoxfontSize}rem !important;
font-family: ${TEXT_BASE_FONT_FAMILY} !important;
font-weight: ${TEXT_BASE_FONT_WEIGHT} !important;
}`);
}
// Function to handle side pane width dragging
function handleSidePaneWidthDrag(event) {
if (event.buttons !== 1) return; // exit if mouse button is not pressed
if (editMenu !== 1) return;
const newWidth = event.clientX;
const sidePane = document.querySelector(".bg-gray-900");
const innerSidePane = document.querySelector(`.w-\\[260px\\]`);
const sidePaneInnerText = document.evaluate('//*[@id="__next"]/div[2]/div[1]/div/div/div/nav/div[2]/div/div/span[1]/div[1]/ol/li/a', document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
if (sidePane && innerSidePane) {
innerSidePane.style.setProperty("width", `${newWidth}px`);
sidePane.style.setProperty("width", `${newWidth}px`, "important");
sidePaneInnerText.style.setProperty("width", `${newWidth}px`, "important");
}
}
// Function to increase font size
function increaseFontSize() {
fontSize += 0.2;
changeFontSizeAndSidePaneWidth();
}
// Function to decrease font size
function decreaseFontSize() {
fontSize -= 0.2;
if (fontSize < 0.2) {
fontSize = 0.2;
}
changeFontSizeAndSidePaneWidth();
}
// Function to increase line height
function increaseLineHeight() {
lineHeight += 0.2;
changeFontSizeAndSidePaneWidth();
}
// Function to decrease line height
function decreaseLineHeight() {
lineHeight -= 0.2;
if (lineHeight < 0.2) {
lineHeight = 0.2;
}
changeFontSizeAndSidePaneWidth();
}
// Create buttons for font size and line height controls
const increaseFontSizeButton = document.createElement("button");
increaseFontSizeButton.textContent = "+";
increaseFontSizeButton.style.position = "fixed";
increaseFontSizeButton.style.bottom = "20px";
increaseFontSizeButton.style.right = "100px";
increaseFontSizeButton.style.zIndex = "9999";
increaseFontSizeButton.addEventListener("click", increaseFontSize);
increaseFontSizeButton.addEventListener("click", increaseLineHeight);
const decreaseFontSizeButton = document.createElement("button");
decreaseFontSizeButton.textContent = "-";
decreaseFontSizeButton.style.position = "fixed";
decreaseFontSizeButton.style.bottom = "20px";
decreaseFontSizeButton.style.right = "60px";
decreaseFontSizeButton.style.zIndex = "9999";
decreaseFontSizeButton.addEventListener("click", decreaseFontSize);
decreaseFontSizeButton.addEventListener("click", decreaseLineHeight);
const editMenuButtom = document.createElement("button");
editMenuButtom.textContent = "edit menu";
editMenuButtom.style.position = "fixed";
editMenuButtom.style.bottom = "20px";
editMenuButtom.style.right = "140px";
editMenuButtom.style.zIndex = "9999";
editMenuButtom.addEventListener("click", myfunc);
// Add buttons to the DOM
document.body.appendChild(increaseFontSizeButton);
document.body.appendChild(decreaseFontSizeButton);
document.body.appendChild(editMenuButtom);
function myfunc() {
if (editMenu == 0) {
editMenu = 1;
editMenuButtom.style.fontWeight = "bold";
} else {
editMenu = 0;
editMenuButtom.style.fontWeight = "normal";
}
}
window.addEventListener("mousemove", function(evt) {
handleSidePaneWidthDrag(evt);
});
// Call the initial function to apply font size and side pane width changes
changeFontSizeAndSidePaneWidth();
})();