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@ArEnSc
Created July 9, 2025 15:55
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ghosting issue
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta
http-equiv="Content-Security-Policy"
content="default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'"
>
<title>Inline Draggable Box</title>
<style>
body {
margin: 0;
padding: 0;
overflow: hidden;
}
#draggable-box {
width: 150px;
height: 100px;
background-color: rgba(255, 0, 0, 0.5);
border: 2px solid black;
position: absolute;
top: 50px;
left: 50px;
cursor: grab;
user-select: none;
border-radius: 8px;
}
#draggable-box:active {
cursor: grabbing;
}
</style>
</head>
<body>
<div id="draggable-box"></div>
<div>Drag the box and it will leave a ghosting trail.</div>
<script>
(function() {
const box = document.getElementById('draggable-box');
let isDragging = false,
offsetX = 0,
offsetY = 0;
box.addEventListener('mousedown', e => {
isDragging = true;
offsetX = e.clientX - box.offsetLeft;
offsetY = e.clientY - box.offsetTop;
e.preventDefault(); // prevent text selection
});
document.addEventListener('mousemove', e => {
if (!isDragging) return;
box.style.left = (e.clientX - offsetX) + 'px';
box.style.top = (e.clientY - offsetY) + 'px';
});
document.addEventListener('mouseup', () => {
isDragging = false;
});
})();
</script>
</body>
</html>
// Modules to control application life and create native browser window
const { app, BrowserWindow } = require('electron')
const path = require('node:path')
function createWindow () {
// Create the browser window.
const mainWindow = new BrowserWindow({
width: 800,
height: 600,
transparent:true,
frame:true,
autoHideMenuBar:false,
webPreferences: {
preload: path.join(__dirname, 'preload.js')
}
})
// and load the index.html of the app.
mainWindow.loadFile('index.html')
// Open the DevTools.
// mainWindow.webContents.openDevTools()
}
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.whenReady().then(() => {
createWindow()
app.on('activate', function () {
// On macOS it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (BrowserWindow.getAllWindows().length === 0) createWindow()
})
})
// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on('window-all-closed', function () {
if (process.platform !== 'darwin') app.quit()
})
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.
{
"name": "lavish-fuel-inspect-buxoz",
"productName": "lavish-fuel-inspect-buxoz",
"description": "My Electron application description",
"keywords": [],
"main": "./main.js",
"version": "1.0.0",
"author": "michaelchung",
"scripts": {
"start": "electron ."
},
"dependencies": {},
"devDependencies": {
"electron": "37.2.0"
}
}
/**
* The preload script runs before `index.html` is loaded
* in the renderer. It has access to web APIs as well as
* Electron's renderer process modules and some polyfilled
* Node.js functions.
*
* https://www.electronjs.org/docs/latest/tutorial/sandbox
*/
window.addEventListener('DOMContentLoaded', () => {
const replaceText = (selector, text) => {
const element = document.getElementById(selector)
if (element) element.innerText = text
}
for (const type of ['chrome', 'node', 'electron']) {
replaceText(`${type}-version`, process.versions[type])
}
})
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