added copy/paste, hiding window before its ready

main.js

@@ -1,5 +1,5 @@
 const electron = require('electron');
-const {app, BrowserWindow} = electron;
+const {app, BrowserWindow, Menu} = electron;
 
 const path = require('path');
 const fs = require('fs-extra');
@@ -18,7 +18,7 @@ let win;
 
 app.commandLine.appendSwitch('--ignore-certificate-errors');
 
-function createWindow () {
+function createWindow() {
 
   var JSONStorage = require('node-localstorage').JSONStorage;
   var storageLocation = app.getPath('userData');
@@ -55,6 +55,7 @@ function createWindow () {
 
     backgroundColor: '#EBEBEB',
     icon: __dirname + '/build/icons/512x512.png',
+    show: false,
 
     webPreferences: {
       allowDisplayingInsecureContent: true,
@@ -82,7 +83,7 @@ function createWindow () {
     });
   });
 
-  win.focus();
+  setApplicationMenu();
 
   copyAndRenameUserFolder().then(function(pathToUserContent) {
 
@@ -111,6 +112,12 @@ function createWindow () {
       // when you should delete the corresponding element.
       win = null
     });
+
+    win.on('ready-to-show', function() {
+      win.show();
+      win.focus();
+    });
+
   }, function(err) {
     dev.error( 'Failed to check existing content folder : ' + err);
   });
@@ -130,16 +137,142 @@ app.on('window-all-closed', () => {
   // if (process.platform !== 'darwin') {
     app.quit();
   // }
-})
+});
 
 app.on('activate', () => {
   // 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 (win === null) {
     createWindow();
   }
-})
-
+});
+
+function setApplicationMenu() {
+  // Create the Application's main menu
+  var template = [{
+    label: 'Electron',
+    submenu: [
+      {
+        label: 'About Electron',
+        selector: 'orderFrontStandardAboutPanel:'
+      },
+      {
+        type: 'separator'
+      },
+      {
+        label: 'Services',
+        submenu: []
+      },
+      {
+        type: 'separator'
+      },
+      {
+        label: 'Hide Electron',
+        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() { BrowserWindow.getFocusedWindow().reloadIgnoringCache(); }
+      },
+      {
+        label: 'Toggle DevTools',
+        accelerator: 'Alt+Command+I',
+        click: function() { BrowserWindow.getFocusedWindow().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:'
+      },
+    ]
+  },
+  {
+    label: 'Help',
+    submenu: []
+  }];
+
+  menu = Menu.buildFromTemplate(template);
+  Menu.setApplicationMenu(menu);
+}
 
 function copyAndRenameUserFolder() {
   return new Promise(function(resolve, reject) {