main.js

'use strict';

const electron = require('electron');
const app = electron.app;
const BrowserWindow = electron.BrowserWindow;
const path = require('path');

// Keep a global reference of the mainWindowdow object, if you don't, the mainWindowdow will
// be closed automatically when the JavaScript object is garbage collected.
var mainWindow = null;
var subpy = null;


// This method will be called when Electron has finished
// initialization and is ready to create browser mainWindow.
// Some APIs can only be used after this event occurs.
app.on('ready', function() {

    // spawn server
    subpy = require('child_process').spawn('python', ['controller.py']);

    // Create the browser mainWindow
    mainWindow = new BrowserWindow({
        width: 800,
        height: 600,
        // transparent: true, // transparent header bar
        // fullscreen: true,
        // opacity:0.8,
        // darkTheme: true,
        // frame: false,
        resizeable: true
    });
    mainWindow.webContents.openDevTools();

    // Load the index page
    mainWindow.loadURL('http://localhost:8011/');

    // Open the DevTools.
    //mainWindow.webContents.openDevTools();

    // Emitted when the mainWindow is closed.
    mainWindow.on('closed', function() {
        // Dereference the mainWindow object
        mainWindow = null;
    });

});

// disable menu
electron.app.on('browser-window-created',function(e,window) {
    window.setMenu(null);
});

// ------- app terminated

app.on('window-all-closed', function() {
    // quit app if windows are closed
    app.quit();
});

app.on('quit', function() {
    // kill the python server on exit
    subpy.kill('SIGINT');
});