Skip to content

Instantly share code, notes, and snippets.

@andsmedeiros
Created September 16, 2020 20:13
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save andsmedeiros/35c5067af8ec104f86bd0cdd4a95b1f5 to your computer and use it in GitHub Desktop.
Save andsmedeiros/35c5067af8ec104f86bd0cdd4a95b1f5 to your computer and use it in GitHub Desktop.
Electron Fiddle Gist
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Hello World!</title>
<link rel="stylesheet" type="text/css" href="./styles.css">
<script>
const electron = require('electron')
window.printBrowser = function() { window.print() }
window.printRemote = function() {
electron.remote.getCurrentWebContents().print({}, (...args) => window.alert(args))
}
window.printMain = function() {
electron.ipcRenderer.send('print')
}
window.listPrinters = function() {
window.alert(electron.remote.getCurrentWebContents().getPrinters().length)
}
</script>
</head>
<body>
<button onclick="printBrowser()"> window.print()</button>
<button onclick="printRemote()"> webContents.print() - renderer</button>
<button onclick="printMain()">webContents.print() - main</button>
<button onclick="listPrinters()">webContents.getPrinters().length</button>
</body>
</html>
// Modules to control application life and create native browser window
const {app, BrowserWindow, ipcMain, dialog} = require('electron')
function createWindow () {
// Create the browser window.
const mainWindow = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
nodeIntegration: true,
enableRemoteModule: true
}
})
// and load the index.html of the app.
mainWindow.loadFile('index.html')
// Open the DevTools.
// mainWindow.webContents.openDevTools()
ipcMain.on('print', () => mainWindow.webContents.print({}, (...args) =>
dialog.showErrorBox('Print callback', args.toString())))
}
// 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.on('ready', 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()
}
})
app.on('activate', function () {
// On OS X 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()
}
})
// 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.
// This file is required by the index.html file and will
// be executed in the renderer process for that window.
// All of the Node.js APIs are available in this process.
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment