electron/atom/browser/default_app/default_app.js

var app = require('app');
var Menu = require('menu');
var MenuItem = require('menu-item');
var BrowserWindow = require('browser-window');

var mainWindow = null;
var menu = null;

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

app.on('ready', function() {
  app.commandLine.appendSwitch('js-flags', '--harmony_collections');

  mainWindow = new BrowserWindow({
    width: 800,
    height: 600,
    resizable: false,
    'use-content-size': true,
  });
  mainWindow.loadUrl('file://' + __dirname + '/index.html');

  if (process.platform == 'darwin') {
    var template = [
      {
        label: 'Atom Shell',
        submenu: [
          {
            label: 'About Atom Shell',
            selector: 'orderFrontStandardAboutPanel:'
          },
          {
            type: 'separator'
          },
          {
            label: 'Hide Atom Shell',
            accelerator: 'Command+H',
            selector: 'hide:'
          },
          {
            label: 'Hide Others',
            accelerator: 'Command+Shift+H',
            selector: 'hideOtherApplications:'
          },
          {
            label: 'Show All',
            selector: 'unhideAllApplications:'
          },
          {
            type: 'separator'
          },
          {
            label: 'Quit',
            accelerator: 'Command+Q',
            click: function() { app.quit(); }
          },
        ]
      },
      {
        label: 'Edit',
        submenu: [
          {
            label: 'Undo',
            accelerator: 'Command+Z',
            selector: 'undo:'
          },
          {
            label: 'Redo',
            accelerator: 'Shift+Command+Z',
            selector: 'redo:'
          },
          {
            type: 'separator'
          },
          {
            label: 'Cut',
            accelerator: 'Command+X',
            selector: 'cut:'
          },
          {
            label: 'Copy',
            accelerator: 'Command+C',
            selector: 'copy:'
          },
          {
            label: 'Paste',
            accelerator: 'Command+V',
            selector: 'paste:'
          },
          {
            label: 'Select All',
            accelerator: 'Command+A',
            selector: 'selectAll:'
          },
        ]
      },
      {
        label: 'View',
        submenu: [
          {
            label: 'Reload',
            accelerator: 'Command+R',
            click: function() { mainWindow.restart(); }
          },
          {
            label: 'Enter Fullscreen',
            click: function() { mainWindow.setFullScreen(true); }
          },
          {
            label: 'Toggle DevTools',
            accelerator: 'Alt+Command+I',
            click: function() { mainWindow.toggleDevTools(); }
          },
        ]
      },
      {
        label: 'Window',
        submenu: [
          {
            label: 'Minimize',
            accelerator: 'Command+M',
            selector: 'performMiniaturize:'
          },
          {
            label: 'Close',
            accelerator: 'Command+W',
            selector: 'performClose:'
          },
          {
            type: 'separator'
          },
          {
            label: 'Bring All to Front',
            selector: 'arrangeInFront:'
          },
        ]
      },
    ];

    menu = Menu.buildFromTemplate(template);
    Menu.setApplicationMenu(menu);
  } else {
    var template = [
      {
        label: 'File',
        submenu: [
          {
            label: 'Open',
            accelerator: 'Ctrl+O',
          },
          {
            label: 'Close',
            accelerator: 'Ctrl+W',
            click: function() { mainWindow.close(); }
          },
        ]
      },
      {
        label: 'View',
        submenu: [
          {
            label: 'Reload',
            accelerator: 'Ctrl+R',
            click: function() { mainWindow.restart(); }
          },
          {
            label: 'Enter Fullscreen',
            click: function() { mainWindow.setFullScreen(true); }
          },
          {
            label: 'Toggle DevTools',
            accelerator: 'Alt+Ctrl+I',
            click: function() { mainWindow.toggleDevTools(); }
          },
        ]
      },
    ];

    menu = Menu.buildFromTemplate(template);
    mainWindow.setMenu(menu);
  }
});