Merge pull request #141 from felixrieseberg/new-style

New style

.appveyor.yml

@@ -17,15 +17,15 @@ install:
   - ps: Install-Product node $env:nodejs_version x64
   - node --version
   - npm ci
-  - ps: cd ./src/
   - ps: mkdir images
   - ps: cd images
   - ps: Start-FileDownload 'https://1drv.ws/u/s!AkfaAw_EaahOkulh8rA41x2phgfYXQ' -FileName images.zip -Timeout 600000
   - ps: 7z x images.zip -y -aoa
   - ps: Remove-Item images.zip
   - ps: Remove-Item __MACOSX -Recurse -ErrorAction Ignore
-  - ps: cd ../..
+  - ps: cd ..
   - ps: Tree ./src /F
+  - ps: Tree ./images /F
 
 cache:
   - '%APPDATA%\npm-cache -> appveyor.yml'

.gitignore

@@ -2,3 +2,5 @@ node_modules
 out
 src/images
 .DS_Store
+images
+dist

.travis.yml

@@ -33,7 +33,7 @@ install:
 - rm -r __MACOSX
 - cd ../..
 - ls src
-- ls src/images
+- ls images
 - |
   if [[ "$TRAVIS_OS_NAME" == "osx" && "$TRAVIS_SECURE_ENV_VARS" == "true" ]]; then
     export CERTIFICATE_P12=cert.p12;

HELP.md

@@ -8,20 +8,19 @@ back to a window mode. (Thanks to @DisplacedGamer for that wisdom)
 
 ## Windows 95 is stuck in a bad state
 
-Restart the application and click on the "Reset machine & delete state" button.
-You can find it in the lower left of the screen. Then, hit the "Start Windows 95"
-button to start your virtual machine again.
+On the app's home screen, select "Settings" in the lower menu. Then, delete your
+machine's state before starting it again - this time hopefully without issues.
 
 ## I want to install additional apps or games
 
 If you are running macOS, or Linux, you can probably "mount" the
-virtual hard drive used by `windows95` to add files. Hit the "Show Disk Image"
-button in the lower right of the app, which will take you to the disk image.
+virtual hard drive used by `windows95` to add files. Hit the "Modify C: Drive"
+button, which will take you to the disk image.
 
 On macOS, double-click the disk image to open it.
 
 On Windows 10, Windows will _think_ that it can open up the image, but will
-actually fail to do so. Use a tool [like OSFMount][osfmount] to mount your 
+actually fail to do so. Use a tool [like OSFMount][osfmount] to mount your
 disk image.
 
 On Linux, search the Internet for instructions on how to mount an `img` disk

LICENSE.md

@@ -1,4 +1,4 @@
-Copyright 2018 Felix Rieseberg
+Copyright 2019 Felix Rieseberg
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

README.md

@@ -23,18 +23,23 @@ You'll likely be better off with an actual virtualization app, but the short ans
 
 ## Credits
 
-99.999% of the work was done over at [v86](https://github.com/copy/v86/) by Copy.
+99% of the work was done over at [v86](https://github.com/copy/v86/) by Copy.
 
 ## Contributing
 
 Before you can run this from source, you'll need the disk image. It's not part of the
 repository, but you can grab it using the `Show Disk Image` button from the packaged
-release, which does include the disk image.
+release, which does include the disk image. You can find that button in the
+`Modify C: Drive` section.
 
 Unpack the `images` folder into the `src` folder, creating this layout:
 
 ```
-./src/images/windows95.img
+- /images/windows95.img
+- /images/default-state.bin
+- /assets/...
+- /bios/...
+- /docs/...
 ```
 
 Once you've done so, run `npm install` and `npm start` to run your local build.

forge.config.js

@@ -2,6 +2,9 @@ const path = require('path');
 const package = require('./package.json');
 
 module.exports = {
+  hooks: {
+    generateAssets: require('./tools/generateAssets')
+  },
   packagerConfig: {
     asar: false,
     icon: path.resolve(__dirname, 'assets', 'icon'),
@@ -14,6 +17,18 @@ module.exports = {
     osxSign: {
       identity: 'Developer ID Application: Felix Rieseberg (LT94ZKYDCJ)'
     },
+    ignore: [
+      /\/assets(\/?)/,
+      /\/docs(\/?)/,
+      /\/tools(\/?)/,
+      /\/src\/.*\.ts/,
+      /package-lock\.json/,
+      /README\.md/,
+      /tsconfig\.json/,
+      /Dockerfile/,
+      /issue_template\.md/,
+      /HELP\.md/,
+    ]
   },
   makers: [
     {

package.json

@@ -3,13 +3,14 @@
   "productName": "windows95",
   "version": "2.1.1",
   "description": "Windows 95, in an app. I'm sorry.",
-  "main": "src/index.js",
+  "main": "./dist/src/main/main",
   "scripts": {
-    "start": "electron-forge start",
+    "start": "rimraf ./dist && electron-forge start",
     "package": "electron-forge package",
     "make": "electron-forge make",
     "publish": "electron-forge publish",
-    "lint": "standard \"src/**/*.js\""
+    "lint": "prettier --write src/**/*.{ts,tsx}",
+    "less": "node ./tools/lessc.js"
   },
   "keywords": [],
   "author": "Felix Rieseberg, felix@felixrieseberg.com",
@@ -29,19 +30,31 @@
   },
   "dependencies": {
     "electron-squirrel-startup": "^1.0.0",
-    "fs-extra": "^8.0.1",
-    "update-electron-app": "^1.3.0"
+    "fs-extra": "^8.1.0",
+    "react": "^16.7.0",
+    "react-dom": "^16.7.0",
+    "tslib": "^1.10.0",
+    "update-electron-app": "^1.5.0"
   },
   "devDependencies": {
-    "@electron-forge/cli": "^6.0.0-beta.34",
-    "@electron-forge/maker-deb": "^6.0.0-beta.34",
-    "@electron-forge/maker-flatpak": "^6.0.0-beta.34",
-    "@electron-forge/maker-rpm": "^6.0.0-beta.34",
-    "@electron-forge/maker-squirrel": "^6.0.0-beta.34",
-    "@electron-forge/maker-zip": "^6.0.0-beta.34",
-    "@electron-forge/publisher-github": "^6.0.0-beta.34",
-    "electron": "5.0.1",
-    "node-abi": "^2.8.0",
-    "standard": "^12.0.1"
+    "@electron-forge/cli": "^6.0.0-beta.44",
+    "@electron-forge/maker-deb": "^6.0.0-beta.44",
+    "@electron-forge/maker-flatpak": "^6.0.0-beta.44",
+    "@electron-forge/maker-rpm": "^6.0.0-beta.44",
+    "@electron-forge/maker-squirrel": "^6.0.0-beta.44",
+    "@electron-forge/maker-zip": "^6.0.0-beta.44",
+    "@electron-forge/publisher-github": "^6.0.0-beta.44",
+    "@types/fs-extra": "^8.0.0",
+    "@types/node": "^12.7.2",
+    "@types/react": "^16.9.2",
+    "@types/react-dom": "^16.8.5",
+    "electron": "6.0.2",
+    "less": "^3.10.1",
+    "node-abi": "^2.11.0",
+    "parcel-bundler": "^1.12.3",
+    "prettier": "^1.18.2",
+    "rimraf": "^3.0.0",
+    "standard": "^13.1.0",
+    "typescript": "^3.5.3"
   }
 }

src/cache.js

@@ -1,25 +0,0 @@
-const { session } = require('electron')
-
-const clearCaches = async () => {
-  await clearCache()
-  await clearStorageData()
-}
-
-const clearCache = () => {
-  return new Promise((resolve) => {
-    session.defaultSession.clearCache(resolve)
-  })
-}
-
-const clearStorageData = () => {
-  return new Promise((resolve) => {
-    session.defaultSession.clearStorageData({
-      storages: 'appcache, cookies, filesystem, indexdb, localstorage, shadercache, websql, serviceworkers',
-      quotas: 'temporary, persistent, syncable'
-    }, resolve)
-  })
-}
-
-module.exports = {
-  clearCaches
-}

src/cache.ts

@@ -0,0 +1,25 @@
+import { session } from 'electron';
+
+export async function clearCaches() {
+  await clearCache()
+  await clearStorageData()
+}
+
+export async function clearCache() {
+  if (session.defaultSession) {
+    await session.defaultSession.clearCache();
+  }
+}
+
+export function clearStorageData() {
+  return new Promise((resolve) => {
+    if (!session.defaultSession) {
+      return resolve();
+    }
+
+    session.defaultSession.clearStorageData({
+      storages: [ 'appcache', 'cookies', 'filesystem', 'indexdb', 'localstorage', 'shadercache', 'websql', 'serviceworkers' ],
+      quotas: [ 'temporary', 'persistent', 'syncable' ]
+    }, resolve)
+  })
+}

src/constants.js

@@ -1,24 +0,0 @@
-const { remote, app } = require('electron')
-const path = require('path')
-
-const _app = app || remote.app
-
-const CONSTANTS = {
-  IMAGE_PATH: path.join(__dirname, 'images/windows95.img'),
-  IMAGE_DEFAULT_SIZE: 1073741824, // 1GB
-  DEFAULT_STATE_PATH: path.join(__dirname, 'images/default-state.bin'),
-  STATE_PATH: path.join(_app.getPath('userData'), 'state-v2.bin')
-}
-
-const IPC_COMMANDS = {
-  TOGGLE_INFO: 'TOGGLE_INFO',
-  MACHINE_RESTART: 'MACHINE_RESTART',
-  MACHINE_RESET: 'MACHINE_RESET',
-  MACHINE_CTRL_ALT_DEL: 'MACHINE_CTRL_ALT_DEL',
-  SHOW_DISK_IMAGE: 'SHOW_DISK_IMAGE'
-}
-
-module.exports = {
-  CONSTANTS,
-  IPC_COMMANDS
-}

src/constants.ts

@@ -0,0 +1,31 @@
+import { remote, app } from 'electron';
+import * as path from 'path';
+
+const _app = app || remote.app
+
+export const CONSTANTS = {
+  IMAGE_PATH: path.join(__dirname, '../../images/windows95.img'),
+  IMAGE_DEFAULT_SIZE: 1073741824, // 1GB
+  DEFAULT_STATE_PATH: path.join(__dirname, '../../images/default-state.bin'),
+  STATE_PATH: path.join(_app.getPath('userData'), 'state-v2.bin')
+}
+
+export const IPC_COMMANDS = {
+  TOGGLE_INFO: 'TOGGLE_INFO',
+  SHOW_DISK_IMAGE: 'SHOW_DISK_IMAGE',
+  ZOOM_IN: 'ZOOM_IN',
+  ZOOM_OUT: 'ZOOM_OUT',
+  ZOOM_RESET: 'ZOOM_RESET',
+  // Machine instructions
+  MACHINE_START: 'MACHINE_START',
+  MACHINE_RESTART: 'MACHINE_RESTART',
+  MACHINE_STOP: 'MACHINE_STOP',
+  MACHINE_RESET: 'MACHINE_RESET',
+  MACHINE_ALT_F4: 'MACHINE_ALT_F4',
+  MACHINE_ESC: 'MACHINE_ESC',
+  MACHINE_ALT_ENTER: 'MACHINE_ALT_ENTER',
+  MACHINE_CTRL_ALT_DEL: 'MACHINE_CTRL_ALT_DEL',
+  // Machine events
+  MACHINE_STARTED: 'MACHINE_STARTED',
+  MACHINE_STOPPED: 'MACHINE_STOPPED'
+}

src/es6.js

@@ -1,36 +0,0 @@
-const { protocol } = require('electron')
-const fs = require('fs-extra')
-const path = require('path')
-
-const ES6_PATH = path.join(__dirname, 'renderer')
-
-protocol.registerSchemesAsPrivileged([
-  {
-    scheme: 'es6',
-    privileges: {
-      standard: true
-    }
-  }
-])
-
-async function setupProtocol () {
-  protocol.registerBufferProtocol('es6', async (req, cb) => {
-    console.log(req)
-
-    try {
-      const filePath = path.join(ES6_PATH, req.url.replace('es6://', ''))
-        .replace('.js/', '.js')
-        .replace('.js\\', '.js')
-
-      const fileContent = await fs.readFile(filePath)
-
-      cb({ mimeType: 'text/javascript', data: fileContent }) // eslint-disable-line
-    } catch (error) {
-      console.warn(error)
-    }
-  })
-}
-
-module.exports = {
-  setupProtocol
-}

src/index.js

@@ -1,55 +0,0 @@
-const { app, BrowserWindow } = require('electron')
-const path = require('path')
-
-const { createMenu } = require('./menu')
-const { setupProtocol } = require('./es6')
-
-if (require('electron-squirrel-startup')) { // eslint-disable-line global-require
-  app.quit()
-}
-
-if (app.isPackaged) {
-  require('update-electron-app')({
-    repo: 'felixrieseberg/windows95',
-    updateInterval: '1 hour'
-  })
-}
-
-let mainWindow
-
-const createWindow = () => {
-  // Create the browser window.
-  mainWindow = new BrowserWindow({
-    width: 1024,
-    height: 768,
-    useContentSize: true,
-    webPreferences: {
-      nodeIntegration: false,
-      preload: path.join(__dirname, 'preload.js')
-    }
-  })
-
-  mainWindow.loadURL(`file://${__dirname}/renderer/index.html`)
-
-  mainWindow.on('closed', () => {
-    mainWindow = null
-  })
-}
-
-app.on('ready', async () => {
-  await setupProtocol()
-  await createMenu()
-
-  createWindow()
-})
-
-// Quit when all windows are closed.
-app.on('window-all-closed', () => {
-  app.quit()
-})
-
-app.on('activate', () => {
-  if (mainWindow === null) {
-    createWindow()
-  }
-})

src/less/emulator.less

@@ -0,0 +1,24 @@
+#emulator {
+  height: 100vh;
+  width: 100vw;
+  display: flex;
+
+  > div {
+    white-space: pre;
+    font: 14px monospace;
+    line-height: 14px
+  }
+
+  > canvas {
+    display: none;
+    margin: auto;
+  }
+}
+
+.paused {
+  canvas {
+    opacity: 0.2;
+    filter: blur(2px);
+    z-index: -100;
+  }
+}

src/less/info.less

@@ -0,0 +1,7 @@
+#information {
+  text-align: center;
+  position: absolute;
+  width: 100vw;
+  bottom: 50px;
+  font-size: 18px;
+}

src/less/root.less

@@ -0,0 +1,103 @@
+@import "./status.less";
+@import "./emulator.less";
+@import "./info.less";
+@import "./settings.less";
+@import "./start.less";
+
+/* GENERAL RESETS */
+
+html, body {
+  margin: 0;
+  padding: 0;
+}
+
+body {
+  background: #000;
+}
+
+body.paused > #emulator {
+  display: none;
+}
+
+body.paused {
+  background: #008080;
+  font-family: Courier;
+}
+
+#buttons {
+  user-select: none;
+}
+
+section {
+  display: flex;
+  position: absolute;
+  width: 100vw;
+  height: 100vh;
+  align-items: center;
+  justify-content: center;
+}
+
+.card {
+  width: 75%;
+  max-width: 700px;
+  min-width: 400px;
+
+  .card-title {
+    img {
+      margin-right: 5px;
+    }
+  }
+}
+
+.nav-link > img,
+.btn > img {
+  height: 24px;
+  margin-right: 4px;
+}
+
+.windows95 {
+  * {
+    user-select: none;
+  }
+
+  *:focus {
+    outline: none;
+  }
+
+  nav .nav-link,
+  nav .nav-logo {
+    height: 37px;
+    display: flex;
+  }
+
+  nav .nav-logo img {
+    margin-left: 2px;
+    max-height: 20px;
+  }
+
+  nav .nav-logo > span {
+    position: absolute;
+    top: 9px;
+    left: 37px;
+    font-weight: bold;
+  }
+
+  .btn {
+    height: 40px;
+    padding-top: 3px;
+  }
+
+  .btn:focus {
+    border-color: #fff #000 #000 #fff;
+    outline: 5px auto -webkit-focus-ring-color;
+  }
+
+  .btn.active:before,
+  .btn:focus:before,
+  button.active:before,
+  button:focus:before,
+  input[type=submit].active:before,
+  input[type=submit]:focus:before {
+    border-color: #dedede grey grey #dedede;
+  }
+}

src/less/settings.less

@@ -0,0 +1,21 @@
+#floppy-path {
+  font-size: .6rem;
+  width: 100%;
+  height: 30px;
+  padding-left: 8px;
+  border-color: #000 #fff #fff #000;
+  border-style: solid;
+  border-width: 2px;
+  background-color: #c3c3c3;
+  line-height: 27px;
+}
+
+#file-input {
+  display: none;
+}
+
+.settings {
+  legend > img {
+    margin-right: 5px;
+  }
+}

src/less/start.less

@@ -0,0 +1,9 @@
+#section-start {
+  display: flex;
+  flex-direction: column;
+
+  > small {
+    margin-top: 25px;
+    font-size: .8rem;
+  }
+}

src/less/status.less

@@ -0,0 +1,16 @@
+#status {
+  user-select: none;
+  position: absolute;
+  z-index: 100;
+  left: calc(50vw - 110px);
+  background: white;
+  font-size: 10px;
+  padding-bottom: 3px;
+  border-bottom-left-radius: 15px;
+  border-bottom-right-radius: 15px;
+  overflow: hidden;
+  padding-left: 10px;
+  padding-right: 10px;
+  max-height: 18px;
+  top: 0;
+}

src/less/vendor/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Yoshi Mannaert
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

src/main/about-panel.ts

@@ -0,0 +1,28 @@
+import { AboutPanelOptionsOptions, app } from "electron";
+
+/**
+ * Sets Fiddle's About panel options on Linux and macOS
+ *
+ * @returns
+ */
+export function setupAboutPanel(): void {
+  if (process.platform === "win32") return;
+
+  const options: AboutPanelOptionsOptions = {
+    applicationName: "windows95",
+    applicationVersion: app.getVersion(),
+    version: process.versions.electron,
+    copyright: "Felix Rieseberg"
+  };
+
+  switch (process.platform) {
+    case "linux":
+      options.website = "https://github.com/felixrieseberg/windows95";
+    case "darwin":
+      options.credits = "https://github.com/felixrieseberg/windows95";
+    default:
+    // fallthrough
+  }
+
+  app.setAboutPanelOptions(options);
+}

src/main/main.ts

@@ -0,0 +1,67 @@
+import { app } from "electron";
+
+import { isDevMode } from "../utils/devmode";
+import { setupAboutPanel } from "./about-panel";
+import { shouldQuit } from "./squirrel";
+import { setupUpdates } from "./update";
+import { getOrCreateWindow } from "./windows";
+import { setupMenu } from "./menu";
+
+/**
+ * Handle the app's "ready" event. This is essentially
+ * the method that takes care of booting the application.
+ */
+export async function onReady() {
+  if (!isDevMode()) process.env.NODE_ENV = "production";
+
+  getOrCreateWindow();
+  setupAboutPanel();
+  setupMenu();
+  setupUpdates();
+}
+
+/**
+ * Handle the "before-quit" event
+ *
+ * @export
+ */
+export function onBeforeQuit() {
+  (global as any).isQuitting = true;
+}
+
+/**
+ * All windows have been closed, quit on anything but
+ * macOS.
+ */
+export function onWindowsAllClosed() {
+  // On OS X it is common for applications and their menu bar
+  // to stay active until the user quits explicitly with Cmd + Q
+  if (process.platform !== "darwin") {
+    app.quit();
+  }
+}
+
+/**
+ * The main method - and the first function to run
+ * when Fiddle is launched.
+ *
+ * Exported for testing purposes.
+ */
+export function main() {
+  // Handle creating/removing shortcuts on Windows when
+  // installing/uninstalling.
+  if (shouldQuit()) {
+    app.quit();
+    return;
+  }
+
+  // Set the app's name
+  app.setName("windows95");
+
+  // Launch
+  app.on("ready", onReady);
+  app.on("before-quit", onBeforeQuit);
+  app.on("window-all-closed", onWindowsAllClosed);
+}
+
+main();

src/main/menu.ts

@@ -0,0 +1,260 @@
+import { app, shell, Menu, BrowserWindow, ipcMain, webFrame } from "electron";
+
+import { clearCaches } from "../cache";
+import { IPC_COMMANDS } from "../constants";
+import { isDevMode } from "../utils/devmode";
+import { getOrCreateWindow } from "./windows";
+
+const LINKS = {
+  homepage: "https://www.twitter.com/felixrieseberg",
+  repo: "https://github.com/felixrieseberg/windows95",
+  credits: "https://github.com/felixrieseberg/windows95/blob/master/CREDITS.md",
+  help: "https://github.com/felixrieseberg/windows95/blob/master/HELP.md"
+};
+
+export async function setupMenu() {
+  await createMenu();
+
+  ipcMain.on(IPC_COMMANDS.MACHINE_STARTED, () =>
+    createMenu({ isRunning: true })
+  );
+  ipcMain.on(IPC_COMMANDS.MACHINE_STOPPED, () =>
+    createMenu({ isRunning: false })
+  );
+}
+
+function send(cmd: string) {
+  const windows = BrowserWindow.getAllWindows();
+
+  if (windows[0]) {
+    console.log(`Sending "${cmd}"`);
+    windows[0].webContents.send(cmd);
+  } else {
+    console.log(`Tried to send "${cmd}", but could not find window`);
+  }
+}
+
+async function createMenu({ isRunning } = { isRunning: false }) {
+  const template: Array<Electron.MenuItemConstructorOptions> = [
+    {
+      label: "View",
+      submenu: [
+        {
+          label: "Toggle Full Screen",
+          accelerator: (function() {
+            if (process.platform === "darwin") {
+              return "Ctrl+Command+F";
+            } else {
+              return "F11";
+            }
+          })(),
+          click: function(_item, focusedWindow) {
+            if (focusedWindow) {
+              focusedWindow.setFullScreen(!focusedWindow.isFullScreen());
+            }
+          }
+        },
+        {
+          label: "Toggle Developer Tools",
+          accelerator: (function() {
+            if (process.platform === "darwin") {
+              return "Alt+Command+I";
+            } else {
+              return "Ctrl+Shift+I";
+            }
+          })(),
+          click: function(_item, focusedWindow) {
+            if (focusedWindow) {
+              focusedWindow.webContents.toggleDevTools();
+            }
+          }
+        },
+        {
+          type: "separator"
+        },
+        {
+          label: "Toggle Emulator Info",
+          click: () => send(IPC_COMMANDS.TOGGLE_INFO)
+        },
+        {
+          type: "separator"
+        },
+        {
+          role: "reload"
+        }
+      ]
+    },
+    {
+      role: "editMenu",
+      visible: isDevMode()
+    },
+    {
+      label: "Window",
+      role: "window",
+      submenu: [
+        {
+          label: "Minimize",
+          accelerator: "CmdOrCtrl+M",
+          role: "minimize"
+        },
+        {
+          label: "Close",
+          accelerator: "CmdOrCtrl+W",
+          role: "close"
+        },
+        {
+          type: "separator"
+        },
+        {
+          label: "Zoom in",
+          click: () => send(IPC_COMMANDS.ZOOM_IN),
+          enabled: isRunning
+        },
+        {
+          label: "Zoom out",
+          click: () => send(IPC_COMMANDS.ZOOM_OUT),
+          enabled: isRunning
+        },
+        {
+          label: "Reset zoom",
+          click: () => send(IPC_COMMANDS.ZOOM_RESET),
+          enabled: isRunning
+        }
+      ]
+    },
+    {
+      label: "Machine",
+      submenu: [
+        {
+          label: "Send Ctrl+Alt+Del",
+          click: () => send(IPC_COMMANDS.MACHINE_CTRL_ALT_DEL),
+          enabled: isRunning
+        },
+        {
+          label: "Send Alt+F4",
+          click: () => send(IPC_COMMANDS.MACHINE_ALT_F4),
+          enabled: isRunning
+        },
+        {
+          label: "Send Alt+Enter",
+          click: () => send(IPC_COMMANDS.MACHINE_ALT_ENTER),
+          enabled: isRunning
+        },
+        {
+          label: "Send Esc",
+          click: () => send(IPC_COMMANDS.MACHINE_ESC),
+          enabled: isRunning
+        },
+        {
+          type: "separator"
+        },
+        isRunning
+          ? {
+              label: "Stop",
+              click: () => send(IPC_COMMANDS.MACHINE_STOP)
+            }
+          : {
+              label: "Start",
+              click: () => send(IPC_COMMANDS.MACHINE_START)
+            },
+        {
+          label: "Restart",
+          click: () => send(IPC_COMMANDS.MACHINE_RESTART),
+          enabled: isRunning
+        },
+        {
+          label: "Reset",
+          click: () => send(IPC_COMMANDS.MACHINE_RESET),
+          enabled: isRunning
+        },
+        {
+          type: "separator"
+        },
+        {
+          label: "Go to Disk Image",
+          click: () => send(IPC_COMMANDS.SHOW_DISK_IMAGE)
+        }
+      ]
+    },
+    {
+      label: "Help",
+      role: "help",
+      submenu: [
+        {
+          label: "Author",
+          click: () => shell.openExternal(LINKS.homepage)
+        },
+        {
+          label: "windows95 on GitHub",
+          click: () => shell.openExternal(LINKS.repo)
+        },
+        {
+          label: "Help",
+          click: () => shell.openExternal(LINKS.help)
+        },
+        {
+          type: "separator"
+        },
+        {
+          label: "Troubleshooting",
+          submenu: [
+            {
+              label: "Clear Cache and Restart",
+              async click() {
+                await clearCaches();
+
+                app.relaunch();
+                app.quit();
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ];
+
+  if (process.platform === "darwin") {
+    template.unshift({
+      label: "windows95",
+      submenu: [
+        {
+          role: "about"
+        },
+        {
+          type: "separator"
+        },
+        {
+          role: "services"
+        },
+        {
+          type: "separator"
+        },
+        {
+          label: "Hide windows95",
+          accelerator: "Command+H",
+          role: "hide"
+        },
+        {
+          label: "Hide Others",
+          accelerator: "Command+Shift+H",
+          role: "hideothers"
+        },
+        {
+          role: "unhide"
+        },
+        {
+          type: "separator"
+        },
+        {
+          label: "Quit",
+          accelerator: "Command+Q",
+          click() {
+            app.quit();
+          }
+        }
+      ]
+    } as any);
+  }
+
+  Menu.setApplicationMenu(Menu.buildFromTemplate(template as any));
+}

src/main/squirrel.ts

@@ -0,0 +1,3 @@
+export function shouldQuit() {
+  return require("electron-squirrel-startup");
+}

src/main/update.ts

@@ -0,0 +1,10 @@
+import { app } from "electron";
+
+export function setupUpdates() {
+  if (app.isPackaged) {
+    require("update-electron-app")({
+      repo: "felixrieseberg/windows95",
+      updateInterval: "1 hour"
+    });
+  }
+}

src/main/windows.ts

@@ -0,0 +1,27 @@
+import { BrowserWindow } from "electron";
+
+let mainWindow: BrowserWindow | null = null;
+
+export function getOrCreateWindow(): BrowserWindow {
+  if (mainWindow) return mainWindow;
+
+  // Create the browser window.
+  mainWindow = new BrowserWindow({
+    width: 1024,
+    height: 768,
+    useContentSize: true,
+    webPreferences: {
+      nodeIntegration: true,
+      sandbox: false,
+      webviewTag: false
+    }
+  });
+
+  mainWindow.loadFile("./dist/static/index.html");
+
+  mainWindow.on("closed", () => {
+    mainWindow = null;
+  });
+
+  return mainWindow;
+}

src/menu.js

@@ -1,182 +0,0 @@
-const { app, shell, Menu, BrowserWindow } = require('electron')
-
-const { clearCaches } = require('./cache')
-const { IPC_COMMANDS } = require('./constants')
-
-const LINKS = {
-  homepage: 'https://www.twitter.com/felixrieseberg',
-  repo: 'https://github.com/felixrieseberg/windows95',
-  credits: 'https://github.com/felixrieseberg/windows95/blob/master/CREDITS.md',
-  help: 'https://github.com/felixrieseberg/windows95/blob/master/HELP.md'
-}
-
-function send (cmd) {
-  const windows = BrowserWindow.getAllWindows()
-
-  if (windows[0]) {
-    windows[0].webContents.send(cmd)
-  }
-}
-
-async function createMenu () {
-  const template = [
-    {
-      label: 'View',
-      submenu: [
-        {
-          label: 'Toggle Full Screen',
-          accelerator: (function () {
-            if (process.platform === 'darwin') { return 'Ctrl+Command+F' } else { return 'F11' }
-          })(),
-          click: function (_item, focusedWindow) {
-            if (focusedWindow) { focusedWindow.setFullScreen(!focusedWindow.isFullScreen()) }
-          }
-        },
-        {
-          label: 'Toggle Developer Tools',
-          accelerator: (function () {
-            if (process.platform === 'darwin') { return 'Alt+Command+I' } else { return 'Ctrl+Shift+I' }
-          })(),
-          click: function (_item, focusedWindow) {
-            if (focusedWindow) { focusedWindow.toggleDevTools() }
-          }
-        },
-        {
-          type: 'separator'
-        },
-        {
-          label: 'Toggle Emulator Info',
-          click: () => send(IPC_COMMANDS.TOGGLE_INFO)
-        }
-      ]
-    },
-    {
-      label: 'Window',
-      role: 'window',
-      submenu: [
-        {
-          label: 'Minimize',
-          accelerator: 'CmdOrCtrl+M',
-          role: 'minimize'
-        },
-        {
-          label: 'Close',
-          accelerator: 'CmdOrCtrl+W',
-          role: 'close'
-        }
-      ]
-    },
-    {
-      label: 'Machine',
-      submenu: [
-        {
-          label: 'Send Ctrl+Alt+Del',
-          click: () => send(IPC_COMMANDS.MACHINE_CTRL_ALT_DEL)
-        },
-        {
-          label: 'Restart',
-          click: () => send(IPC_COMMANDS.MACHINE_RESTART)
-        },
-        {
-          label: 'Reset',
-          click: () => send(IPC_COMMANDS.MACHINE_RESET)
-        },
-        {
-          type: 'separator'
-        },
-        {
-          label: 'Go to Disk Image',
-          click: () => send(IPC_COMMANDS.SHOW_DISK_IMAGE)
-        }
-      ]
-    },
-    {
-      label: 'Help',
-      role: 'help',
-      submenu: [
-        {
-          label: 'Author',
-          click: () => shell.openExternal(LINKS.homepage)
-        },
-        {
-          label: 'windows95 on GitHub',
-          click: () => shell.openExternal(LINKS.repo)
-        },
-        {
-          label: 'Help',
-          click: () => shell.openExternal(LINKS.help)
-        },
-        {
-          type: 'separator'
-        },
-        {
-          label: 'Troubleshooting',
-          submenu: [
-            {
-              label: 'Clear Cache and Restart',
-              async click () {
-                await clearCaches()
-
-                app.relaunch()
-                app.quit()
-              }
-            }
-          ]
-        }
-      ]
-    }
-  ]
-
-  if (process.platform === 'darwin') {
-    template.unshift({
-      label: 'windows95',
-      submenu: [
-        {
-          label: 'About windows95',
-          role: 'about'
-        },
-        {
-          type: 'separator'
-        },
-        {
-          label: 'Services',
-          role: 'services',
-          submenu: []
-        },
-        {
-          type: 'separator'
-        },
-        {
-          label: 'Hide windows95',
-          accelerator: 'Command+H',
-          role: 'hide'
-        },
-        {
-          label: 'Hide Others',
-          accelerator: 'Command+Shift+H',
-          role: 'hideothers'
-        },
-        {
-          label: 'Show All',
-          role: 'unhide'
-        },
-        {
-          type: 'separator'
-        },
-        {
-          label: 'Quit',
-          accelerator: 'Command+Q',
-          click () {
-            app.quit()
-          }
-        }
-      ]
-    })
-  }
-
-  Menu.setApplicationMenu(Menu.buildFromTemplate(template))
-}
-
-module.exports = {
-  createMenu
-}

src/preload.js

@@ -1,42 +0,0 @@
-const { remote, shell, ipcRenderer } = require('electron')
-const path = require('path')
-const EventEmitter = require('events')
-
-const { resetState, restoreState, saveState } = require('./state')
-const { getDiskImageSize } = require('./utils/disk-image-size')
-const { IPC_COMMANDS, CONSTANTS } = require('./constants')
-
-class Windows95 extends EventEmitter {
-  constructor () {
-    super()
-
-    // Constants
-    this.CONSTANTS = CONSTANTS
-    this.IPC_COMMANDS = IPC_COMMANDS
-
-    // Methods
-    this.getDiskImageSize = getDiskImageSize
-    this.restoreState = restoreState
-    this.resetState = resetState
-    this.saveState = saveState
-
-    Object.keys(IPC_COMMANDS).forEach((command) => {
-      ipcRenderer.on(command, (...args) => {
-        this.emit(command, args)
-      })
-    })
-  }
-
-  showDiskImage () {
-    const imagePath = path.join(__dirname, 'images/windows95.img')
-      .replace('app.asar', 'app.asar.unpacked')
-
-    shell.showItemInFolder(imagePath)
-  }
-
-  quit () {
-    remote.app.quit()
-  }
-}
-
-window.windows95 = new Windows95()

src/renderer/app-state.js

@@ -1,9 +0,0 @@
-export function setupState () {
-  window.appState = {
-    isResetting: false,
-    isQuitting: false,
-    cursorCaptured: false,
-    floppyFile: null,
-    bootFresh: false
-  }
-}

src/renderer/app.tsx

@@ -0,0 +1,34 @@
+/**
+ * The top-level class controlling the whole app. This is *not* a React component,
+ * but it does eventually render all components.
+ *
+ * @class App
+ */
+export class App {
+  /**
+   * Initial setup call, loading Monaco and kicking off the React
+   * render process.
+   */
+  public async setup(): Promise<void | Element> {
+    const React = await import("react");
+    const { render } = await import("react-dom");
+    const { Emulator } = await import("./emulator");
+
+    const className = `${process.platform}`;
+    const app = (
+      <div className={className}>
+        <Emulator />
+      </div>
+    );
+
+    const rendered = render(app, document.getElementById("app"));
+
+    return rendered;
+  }
+}
+
+window["win95"] = window["win95"] || {
+  app: new App()
+};
+
+window["win95"].app.setup();

src/renderer/bios/.gitignore

@@ -1 +0,0 @@
-*.gz

src/renderer/buttons.js

@@ -1,44 +0,0 @@
-const $ = document.querySelector.bind(document)
-
-export function setupButtons (start) {
-  // Start
-  $('.btn-start').addEventListener('click', () => start())
-
-  // Disk Image
-  $('#show-disk-image').addEventListener('click', () => windows95.showDiskImage())
-
-  // Reset
-  $('#reset').addEventListener('click', () => windows95.resetState())
-
-  $('#discard-state').addEventListener('click', () => {
-    window.appState.bootFresh = true
-
-    start()
-  })
-
-  // Floppy
-  $('#floppy').addEventListener('click', () => {
-    $('#file-input').click()
-  })
-
-  // Floppy (Hidden Input)
-  $('#file-input').addEventListener('change', (event) => {
-    window.appState.floppyFile = event.target.files && event.target.files.length > 0
-      ? event.target.files[0]
-      : null
-
-    if (window.appState.floppyFile) {
-      $('#floppy-path').innerHTML = `Inserted Floppy Disk: ${window.appState.floppyFile.path}`
-    }
-  })
-}
-
-export function toggleButtons (forceTo) {
-  const buttonElements = $('#buttons')
-
-  if (buttonElements.style.display !== 'none' || forceTo === false) {
-    buttonElements.style.display = 'none'
-  } else {
-    buttonElements.style.display = undefined
-  }
-}

src/renderer/card-drive.tsx

@@ -0,0 +1,111 @@
+import * as React from "react";
+import { shell } from "electron";
+
+interface CardDriveProps {
+  showDiskImage: () => void;
+}
+
+interface CardDriveState {}
+
+export class CardDrive extends React.Component<CardDriveProps, CardDriveState> {
+  constructor(props: CardDriveProps) {
+    super(props);
+
+    this.state = {};
+  }
+
+  public render() {
+    let advice: JSX.Element | null = null;
+
+    if (process.platform === "win32") {
+      advice = this.renderAdviceWindows();
+    } else if (process.platform === "darwin") {
+      advice = this.renderAdviceMac();
+    } else {
+      advice = this.renderAdviceLinux();
+    }
+
+    return (
+      <section>
+        <div className="card settings">
+          <div className="card-header">
+            <h2 className="card-title">
+              <img src="../../static/drive.png" />
+              Modify C: Drive
+            </h2>
+          </div>
+          <div className="card-body">
+            <p>
+              windows95 (this app) uses a raw disk image. Windows 95 (the
+              operating system) is fragile, so adding or removing files is
+              risky.
+            </p>
+            {advice}
+          </div>
+        </div>
+      </section>
+    );
+  }
+
+  public renderAdviceWindows(): JSX.Element {
+    return (
+      <fieldset>
+        <legend>Changing the disk on Windows</legend>
+        <p>
+          Windows 10 cannot mount raw disk images (ironically, macOS and Linux
+          can). However, tools exist that let you mount this drive, like the
+          freeware tool{" "}
+          <a
+            href="#"
+            onClick={() =>
+              shell.openExternal(
+                "https://www.osforensics.com/tools/mount-disk-images.html"
+              )
+            }
+          >
+            OSFMount
+          </a>
+          . I am not affiliated with it, so please use it at your own risk.
+        </p>
+        {this.renderMountButton("Windows Explorer")}
+      </fieldset>
+    );
+  }
+
+  public renderAdviceMac(): JSX.Element {
+    return (
+      <fieldset>
+        <legend>Changing the disk on macOS</legend>
+        <p>
+          macOS can mount the disk image directly. Click the button below to see
+          the disk image in Finder. Then, double-click the image to mount it.
+        </p>
+        {this.renderMountButton("Finder")}
+      </fieldset>
+    );
+  }
+
+  public renderAdviceLinux(): JSX.Element {
+    return (
+      <fieldset>
+        <legend>Changing the disk on Linux</legend>
+        <p>
+          There are plenty of tools that enable Linux users to mount and modify
+          disk images. The disk image used by windows95 is a raw "img" disk
+          image and can probably be mounted using the <code>mount</code> tool,
+          which is likely installed on your machine.
+        </p>
+        {this.renderMountButton("file viewer")}
+      </fieldset>
+    );
+  }
+
+  public renderMountButton(explorer: string) {
+    return (
+      <button className="btn" onClick={this.props.showDiskImage}>
+        <img src="../../static/show-disk-image.png" />
+        <span>Show disk image in {explorer}</span>
+      </button>
+    );
+  }
+}

src/renderer/card-settings.tsx

@@ -0,0 +1,161 @@
+import * as React from "react";
+import * as fs from "fs-extra";
+
+import { CONSTANTS } from "../constants";
+
+interface CardSettingsProps {
+  bootFromScratch: () => void;
+  setFloppy: (file: File) => void;
+  floppy?: File;
+}
+
+interface CardSettingsState {
+  isStateReset: boolean;
+}
+
+export class CardSettings extends React.Component<
+  CardSettingsProps,
+  CardSettingsState
+> {
+  constructor(props: CardSettingsProps) {
+    super(props);
+
+    this.onChangeFloppy = this.onChangeFloppy.bind(this);
+    this.onResetState = this.onResetState.bind(this);
+
+    this.state = {
+      isStateReset: false
+    };
+  }
+
+  public render() {
+    return (
+      <section>
+        <div className="card settings">
+          <div className="card-header">
+            <h2 className="card-title">
+              <img src="../../static/settings.png" />
+              Settings
+            </h2>
+          </div>
+          <div className="card-body">
+            {this.renderFloppy()}
+            <hr />
+            {this.renderState()}
+          </div>
+        </div>
+      </section>
+    );
+  }
+
+  public renderFloppy() {
+    const { floppy } = this.props;
+
+    return (
+      <fieldset>
+        <legend>
+          <img src="../../static/floppy.png" />
+          Floppy
+        </legend>
+        <input
+          id="floppy-input"
+          type="file"
+          onChange={this.onChangeFloppy}
+          style={{ display: "none" }}
+        />
+        <p>
+          windows95 comes with a virtual floppy drive. It can mount floppy disk
+          images in the "img" format.
+        </p>
+        <p>
+          Back in the 90s and before CD-ROMs became a popular, software was
+          typically distributed on floppy disks. Some developers have since
+          released their apps or games for free, usually on virtual floppy disks
+          using the "img" format.
+        </p>
+        <p>
+          Once you've mounted a disk image, you might have to boot your virtual
+          windows95 machine from scratch.
+        </p>
+        <p id="floppy-path">
+          {floppy
+            ? `Inserted Floppy Disk: ${floppy.path}`
+            : `No floppy mounted`}
+        </p>
+        <button
+          className="btn"
+          onClick={() =>
+            (document.querySelector("#floppy-input") as any).click()
+          }
+        >
+          <img src="../../static/select-floppy.png" />
+          <span>Mount floppy disk</span>
+        </button>
+      </fieldset>
+    );
+  }
+
+  public renderState() {
+    const { isStateReset } = this.state;
+    const { bootFromScratch } = this.props;
+
+    return (
+      <fieldset>
+        <legend>
+          <img src="../../static/reset.png" />
+          Reset machine state
+        </legend>
+        <div>
+          <p>
+            windows95 stores changes to your machine (like saved files) in a
+            state file. If you encounter any trouble, you can reset your state
+            or boot Windows 95 from scratch.{" "}
+            <strong>All your changes will be lost.</strong>
+          </p>
+          <button
+            className="btn"
+            onClick={this.onResetState}
+            disabled={isStateReset}
+            style={{ marginRight: "5px" }}
+          >
+            <img src="../../static/reset-state.png" />
+            {isStateReset ? "State reset" : "Reset state"}
+          </button>
+          <button className="btn" onClick={bootFromScratch}>
+            <img src="../../static/boot-fresh.png" />
+            Boot from scratch
+          </button>
+        </div>
+      </fieldset>
+    );
+  }
+
+  /**
+   * Handle a change in the floppy input
+   *
+   * @param event
+   */
+  private onChangeFloppy(event: React.ChangeEvent<HTMLInputElement>) {
+    const floppyFile =
+      event.target.files && event.target.files.length > 0
+        ? event.target.files[0]
+        : null;
+
+    if (floppyFile) {
+      this.props.setFloppy(floppyFile);
+    } else {
+      console.log(`Floppy: Input changed but no file selected`);
+    }
+  }
+
+  /**
+   * Handle the state reset
+   */
+  private async onResetState() {
+    if (fs.existsSync(CONSTANTS.STATE_PATH)) {
+      await fs.remove(CONSTANTS.STATE_PATH);
+    }
+
+    this.setState({ isStateReset: true });
+  }
+}

src/renderer/card-start.tsx

@@ -0,0 +1,19 @@
+import * as React from "react";
+
+export interface CardStartProps {
+  startEmulator: () => void;
+}
+
+export class CardStart extends React.Component<CardStartProps, {}> {
+  public render() {
+    return (
+      <section id="section-start">
+        <button className="btn" id="win95" onClick={this.props.startEmulator}>
+          <img src="../../static/run.png" />
+          <span>Start Windows 95</span>
+        </button>
+        <small>Hit ESC to lock or unlock your mouse</small>
+      </section>
+    );
+  }
+}

src/renderer/emulator-info.tsx

@@ -0,0 +1,166 @@
+import * as React from "react";
+
+interface EmulatorInfoProps {
+  toggleInfo: () => void;
+  emulator: any;
+}
+
+interface EmulatorInfoState {
+  cpu: number;
+  disk: string;
+  lastCounter: number;
+  lastTick: number;
+}
+
+export class EmulatorInfo extends React.Component<
+  EmulatorInfoProps,
+  EmulatorInfoState
+> {
+  private cpuInterval = -1;
+
+  constructor(props: EmulatorInfoProps) {
+    super(props);
+
+    this.cpuCount = this.cpuCount.bind(this);
+    this.onIDEReadStart = this.onIDEReadStart.bind(this);
+    this.onIDEReadWriteEnd = this.onIDEReadWriteEnd.bind(this);
+
+    this.state = {
+      cpu: 0,
+      disk: "Idle",
+      lastCounter: 0,
+      lastTick: 0
+    };
+  }
+
+  public render() {
+    const { cpu, disk } = this.state;
+
+    return (
+      <div id="status">
+        Disk: <span>{disk}</span> | CPU Speed: <span>{cpu}</span> |{" "}
+        <a href="#" onClick={this.props.toggleInfo}>
+          Hide
+        </a>
+      </div>
+    );
+  }
+
+  public componentWillUnmount() {
+    this.uninstallListeners();
+  }
+
+  /**
+   * The emulator starts whenever, so install or uninstall listeners
+   * at the right time
+   *
+   * @param newProps
+   */
+  public componentDidUpdate(prevProps: EmulatorInfoProps) {
+    if (prevProps.emulator !== this.props.emulator) {
+      if (this.props.emulator) {
+        this.installListeners();
+      } else {
+        this.uninstallListeners();
+      }
+    }
+  }
+
+  /**
+   * Let's start listening to what the emulator is up to.
+   */
+  private installListeners() {
+    const { emulator } = this.props;
+
+    if (!emulator) {
+      console.log(
+        `Emulator info: Tried to install listeners, but emulator not defined yet.`
+      );
+      return;
+    }
+
+    // CPU
+    if (this.cpuInterval > -1) {
+      clearInterval(this.cpuInterval);
+    }
+
+    // TypeScript think's we're using a Node.js setInterval. We're not.
+    this.cpuInterval = (setInterval(this.cpuCount, 500) as unknown) as number;
+
+    // Disk
+    emulator.add_listener("ide-read-start", this.onIDEReadStart);
+    emulator.add_listener("ide-read-end", this.onIDEReadWriteEnd);
+    emulator.add_listener("ide-write-end", this.onIDEReadWriteEnd);
+
+    // Screen
+    emulator.add_listener("screen-set-size-graphical", console.log);
+  }
+
+  /**
+   * Stop listening to the emulator.
+   */
+  private uninstallListeners() {
+    const { emulator } = this.props;
+
+    if (!emulator) {
+      console.log(
+        `Emulator info: Tried to uninstall listeners, but emulator not defined yet.`
+      );
+      return;
+    }
+
+    // CPU
+    if (this.cpuInterval > -1) {
+      clearInterval(this.cpuInterval);
+    }
+
+    // Disk
+    emulator.remove_listener("ide-read-start", this.onIDEReadStart);
+    emulator.remove_listener("ide-read-end", this.onIDEReadWriteEnd);
+    emulator.remove_listener("ide-write-end", this.onIDEReadWriteEnd);
+
+    // Screen
+    emulator.remove_listener("screen-set-size-graphical", console.log);
+  }
+
+  /**
+   * The virtual IDE is handling read (start).
+   */
+  private onIDEReadStart() {
+    this.requestIdle(() => this.setState({ disk: "Read" }));
+  }
+
+  /**
+   * The virtual IDE is handling read/write (end).
+   */
+  private onIDEReadWriteEnd() {
+    this.requestIdle(() => this.setState({ disk: "Idle" }));
+  }
+
+  /**
+   * Request an idle callback with a 3s timeout.
+   *
+   * @param fn
+   */
+  private requestIdle(fn: () => void) {
+    (window as any).requestIdleCallback(fn, { timeout: 3000 });
+  }
+
+  /**
+   * Calculates what's up with the virtual cpu.
+   */
+  private cpuCount() {
+    const { lastCounter, lastTick } = this.state;
+
+    const now = Date.now();
+    const instructionCounter = this.props.emulator.get_instruction_counter();
+    const ips = instructionCounter - lastCounter;
+    const deltaTime = now - lastTick;
+
+    this.setState({
+      lastTick: now,
+      lastCounter: instructionCounter,
+      cpu: Math.round(ips / deltaTime)
+    });
+  }
+}

src/renderer/emulator.tsx

@@ -0,0 +1,493 @@
+import * as React from "react";
+import * as fs from "fs-extra";
+import * as path from "path";
+import { ipcRenderer, remote, shell } from "electron";
+
+import { CONSTANTS, IPC_COMMANDS } from "../constants";
+import { getDiskImageSize } from "../utils/disk-image-size";
+import { CardStart } from "./card-start";
+import { StartMenu } from "./start-menu";
+import { CardSettings } from "./card-settings";
+import { EmulatorInfo } from "./emulator-info";
+import { CardDrive } from "./card-drive";
+
+export interface EmulatorState {
+  currentUiCard: string;
+  emulator?: any;
+  scale: number;
+  floppyFile?: File;
+  isBootingFresh: boolean;
+  isCursorCaptured: boolean;
+  isInfoDisplayed: boolean;
+  isRunning: boolean;
+}
+
+export class Emulator extends React.Component<{}, EmulatorState> {
+  private isQuitting = false;
+  private isResetting = false;
+
+  constructor(props: {}) {
+    super(props);
+
+    this.startEmulator = this.startEmulator.bind(this);
+    this.stopEmulator = this.stopEmulator.bind(this);
+    this.restartEmulator = this.restartEmulator.bind(this);
+    this.resetEmulator = this.resetEmulator.bind(this);
+    this.bootFromScratch = this.bootFromScratch.bind(this);
+
+    this.state = {
+      isBootingFresh: false,
+      isCursorCaptured: false,
+      isRunning: false,
+      currentUiCard: "start",
+      isInfoDisplayed: true,
+      scale: 1
+    };
+
+    this.setupInputListeners();
+    this.setupIpcListeners();
+    this.setupUnloadListeners();
+
+    if (document.location.hash.includes("AUTO_START")) {
+      this.startEmulator();
+    }
+  }
+
+  /**
+   * We want to capture and release the mouse at appropriate times.
+   */
+  public setupInputListeners() {
+    // ESC
+    document.onkeydown = evt => {
+      const { isCursorCaptured } = this.state;
+
+      evt = evt || window.event;
+
+      if (evt.keyCode === 27) {
+        if (isCursorCaptured) {
+          this.unlockMouse();
+        } else {
+          this.lockMouse();
+        }
+
+        evt.stopPropagation();
+      }
+    };
+
+    // Click
+    document.addEventListener("click", () => {
+      const { isRunning } = this.state;
+
+      if (isRunning) {
+        this.lockMouse();
+      }
+    });
+  }
+
+  /**
+   * Save the emulator's state to disk during exit.
+   */
+  public setupUnloadListeners() {
+    const handleClose = async () => {
+      await this.saveState();
+
+      console.log(`Unload: Now done, quitting again.`);
+      this.isQuitting = true;
+
+      setImmediate(() => {
+        remote.app.quit();
+      });
+    };
+
+    window.onbeforeunload = event => {
+      if (this.isQuitting || this.isResetting) {
+        console.log(`Unload: Not preventing`);
+        return;
+      }
+
+      console.log(`Unload: Preventing to first save state`);
+
+      handleClose();
+      event.preventDefault();
+      event.returnValue = false;
+    };
+  }
+
+  /**
+   * Setup the various IPC messages sent to the renderer
+   * from the main process
+   */
+  public setupIpcListeners() {
+    ipcRenderer.on(IPC_COMMANDS.MACHINE_CTRL_ALT_DEL, () => {
+      this.sendKeys([
+        0x1d, // ctrl
+        0x38, // alt
+        0x53 // delete
+      ]);
+    });
+
+    ipcRenderer.on(IPC_COMMANDS.MACHINE_ALT_F4, () => {
+      this.sendKeys([
+        0x38, // alt
+        0x3e // f4
+      ]);
+    });
+
+    ipcRenderer.on(IPC_COMMANDS.MACHINE_ALT_ENTER, () => {
+      this.sendKeys([
+        0x38, // alt
+        0 // enter
+      ]);
+    });
+
+    ipcRenderer.on(IPC_COMMANDS.MACHINE_ESC, () => {
+      this.sendKeys([
+        0x18 // alt
+      ]);
+    });
+
+    ipcRenderer.on(IPC_COMMANDS.MACHINE_STOP, this.stopEmulator);
+    ipcRenderer.on(IPC_COMMANDS.MACHINE_RESET, this.resetEmulator);
+    ipcRenderer.on(IPC_COMMANDS.MACHINE_START, this.startEmulator);
+    ipcRenderer.on(IPC_COMMANDS.MACHINE_RESTART, this.restartEmulator);
+
+    ipcRenderer.on(IPC_COMMANDS.TOGGLE_INFO, () => {
+      this.setState({ isInfoDisplayed: !this.state.isInfoDisplayed });
+    });
+
+    ipcRenderer.on(IPC_COMMANDS.SHOW_DISK_IMAGE, () => {
+      this.showDiskImage();
+    });
+
+    ipcRenderer.on(IPC_COMMANDS.ZOOM_IN, () => {
+      this.setScale(this.state.scale * 1.2);
+    });
+
+    ipcRenderer.on(IPC_COMMANDS.ZOOM_OUT, () => {
+      this.setScale(this.state.scale * 0.8);
+    });
+
+    ipcRenderer.on(IPC_COMMANDS.ZOOM_RESET, () => {
+      this.setScale(1);
+    });
+  }
+
+  /**
+   * If the emulator isn't running, this is rendering the, erm, UI.
+   *
+   * 🤡
+   */
+  public renderUI() {
+    const { isRunning, currentUiCard, floppyFile } = this.state;
+
+    if (isRunning) {
+      return null;
+    }
+
+    let card;
+
+    if (currentUiCard === "settings") {
+      card = (
+        <CardSettings
+          setFloppy={floppyFile => this.setState({ floppyFile })}
+          bootFromScratch={this.bootFromScratch}
+          floppy={floppyFile}
+        />
+      );
+    } else if (currentUiCard === "drive") {
+      card = <CardDrive showDiskImage={this.showDiskImage} />;
+    } else {
+      card = <CardStart startEmulator={this.startEmulator} />;
+    }
+
+    return (
+      <>
+        {card}
+        <StartMenu
+          navigate={target => this.setState({ currentUiCard: target })}
+        />
+      </>
+    );
+  }
+
+  /**
+   * Yaknow, render things and stuff.
+   */
+  public render() {
+    return (
+      <>
+        {this.renderInfo()}
+        {this.renderUI()}
+        <div id="emulator">
+          <div></div>
+          <canvas></canvas>
+        </div>
+      </>
+    );
+  }
+
+  /**
+   * Render the little info thingy
+   */
+  public renderInfo() {
+    if (!this.state.isInfoDisplayed) {
+      return null;
+    }
+
+    return (
+      <EmulatorInfo
+        emulator={this.state.emulator}
+        toggleInfo={() => {
+          this.setState({ isInfoDisplayed: !this.state.isInfoDisplayed });
+        }}
+      />
+    );
+  }
+
+  /**
+   * Boot the emulator without restoring state
+   */
+  public bootFromScratch() {
+    this.setState({ isBootingFresh: true });
+    this.startEmulator();
+  }
+
+  /**
+   * Show the disk image on disk
+   */
+  public showDiskImage() {
+    // Contents/Resources/app/dist/static
+    const imagePath = path
+      .join(__dirname, "../../images/windows95.img");
+
+    console.log(`Showing disk image in ${imagePath}`);``
+
+    shell.showItemInFolder(imagePath);
+  }
+
+  /**
+   * Start the actual emulator
+   */
+  private async startEmulator() {
+    document.body.classList.remove("paused");
+
+    const imageSize = await getDiskImageSize();
+    const options = {
+      memory_size: 128 * 1024 * 1024,
+      video_memory_size: 32 * 1024 * 1024,
+      screen_container: document.getElementById("emulator"),
+      bios: {
+        url: "../../bios/seabios.bin"
+      },
+      vga_bios: {
+        url: "../../bios/vgabios.bin"
+      },
+      hda: {
+        url: "../../images/windows95.img",
+        async: true,
+        size: imageSize
+      },
+      fda: {
+        buffer: this.state.floppyFile
+      },
+      boot_order: 0x132
+    };
+
+    console.log(`🚜 Starting emulator with options`, options);
+
+    window["emulator"] = new V86Starter(options);
+
+    // New v86 instance
+    this.setState({
+      emulator: window["emulator"],
+      isRunning: true
+    });
+
+    ipcRenderer.send(IPC_COMMANDS.MACHINE_STARTED);
+
+    // Restore state. We can't do this right away
+    // and randomly chose 500ms as the appropriate
+    // wait time (lol)
+    setTimeout(async () => {
+      if (!this.state.isBootingFresh) {
+        this.restoreState();
+      }
+
+      this.lockMouse();
+      this.state.emulator.run();
+    }, 500);
+  }
+
+  /**
+   * Restart emulator
+   */
+  private restartEmulator() {
+    if (this.state.emulator && this.state.isRunning) {
+      console.log(`🚜 Restarting emulator`);
+      this.state.emulator.restart();
+    } else {
+      console.log(`🚜 Restarting emulator failed: Emulator not running`);
+    }
+  }
+
+  /**
+   * Stop the emulator
+   */
+  private async stopEmulator() {
+    const { emulator, isRunning } = this.state;
+
+    if (!emulator || !isRunning) {
+      return;
+    }
+
+    console.log(`🚜 Stopping emulator`);
+
+    await this.saveState();
+    this.unlockMouse();
+    emulator.stop();
+    this.setState({ isRunning: false });
+
+    document.body.classList.add("paused");
+    ipcRenderer.send(IPC_COMMANDS.MACHINE_STOPPED);
+  }
+
+  /**
+   * Reset the emulator by reloading the whole page (lol)
+   */
+  private async resetEmulator() {
+    this.isResetting = true;
+    document.location.hash = `#AUTO_START`;
+    document.location.reload();
+  }
+
+  /**
+   * Take the emulators state and write it to disk. This is possibly
+   * a fairly big file.
+   */
+  private async saveState(): Promise<void> {
+    const { emulator } = this.state;
+
+    return new Promise(resolve => {
+      if (!emulator || !emulator.save_state) {
+        console.log(`restoreState: No emulator present`);
+        return resolve();
+      }
+
+      emulator.save_state(async (error: Error, newState: ArrayBuffer) => {
+        if (error) {
+          console.warn(`saveState: Could not save state`, error);
+          return resolve();
+        }
+
+        await fs.outputFile(CONSTANTS.STATE_PATH, Buffer.from(newState));
+
+        console.log(`saveState: Saved state to ${CONSTANTS.STATE_PATH}`);
+
+        resolve();
+      });
+    });
+  }
+
+  /**
+   * Restores state to the emulator.
+   */
+  private restoreState() {
+    const { emulator } = this.state;
+    const state = this.getState();
+
+    // Nothing to do with if we don't have a state
+    if (!state) {
+      console.log(`restoreState: No state present, not restoring.`);
+    }
+
+    if (!emulator) {
+      console.log(`restoreState: No emulator present`);
+    }
+
+    try {
+      this.state.emulator.restore_state(state);
+    } catch (error) {
+      console.log(
+        `State: Could not read state file. Maybe none exists?`,
+        error
+      );
+    }
+  }
+
+  /**
+   * Returns the current machine's state - either what
+   * we have saved or alternatively the default state.
+   *
+   * @returns {ArrayBuffer}
+   */
+  private getState(): ArrayBuffer | null {
+    const statePath = fs.existsSync(CONSTANTS.STATE_PATH)
+      ? CONSTANTS.STATE_PATH
+      : CONSTANTS.DEFAULT_STATE_PATH;
+
+    if (fs.existsSync(statePath)) {
+      return fs.readFileSync(statePath).buffer;
+    }
+
+    return null;
+  }
+
+  private unlockMouse() {
+    const { emulator } = this.state;
+
+    this.setState({ isCursorCaptured: false });
+
+    if (emulator) {
+      emulator.mouse_set_status(false);
+    }
+
+    document.exitPointerLock();
+  }
+
+  private lockMouse() {
+    const { emulator } = this.state;
+
+    if (emulator) {
+      this.setState({ isCursorCaptured: true });
+      emulator.mouse_set_status(true);
+      emulator.lock_mouse();
+    } else {
+      console.warn(
+        `Emulator: Tried to lock mouse, but no emulator or not running`
+      );
+    }
+  }
+
+  /**
+   * Set the emulator's scale
+   *
+   * @param target
+   */
+  private setScale(target: number) {
+    const { emulator, isRunning } = this.state;
+
+    if (emulator && isRunning) {
+      emulator.screen_set_scale(target);
+      this.setState({ scale: target });
+    }
+  }
+
+  /**
+   * Send keys to the emulator (including the key-up),
+   * if it's running
+   *
+   * @param {Array<number>} codes
+   */
+  private sendKeys(codes: Array<number>) {
+    if (this.state.emulator && this.state.isRunning) {
+      const scancodes = codes;
+
+      // Push break codes (key-up)
+      for (const scancode of scancodes) {
+        scancodes.push(scancode | 0x80);
+      }
+
+      this.state.emulator.keyboard_send_scancodes(scancodes);
+    }
+  }
+}

src/renderer/global.d.ts

@@ -0,0 +1,2 @@
+declare const V86Starter: any;
+declare const win95: any;

src/renderer/index.html

@@ -1,55 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <meta http-equiv="X-UA-Compatible" content="ie=edge">
-  <title>Windows</title>
-  <script src="./lib/libv86.js"></script>
-  <link rel="stylesheet" href="style/style.css">
-</head>
-
-<body class="paused">
-  <div id="status">
-    Disk: <span id="disk-status">Idle</span>
-    | CPU Speed: <span id="cpu-status">0</span>
-    | <a href="#" id="toggle-status">Hide</a>
-  </div>
-  <div id="buttons">
-    <div id="start-buttons">
-      <!-- <div class="btn" id="win98">Windows 98</div> -->
-      <div class="btn btn-start" id="win95">
-        Start Windows 95
-        <br />
-
-        <small>Hit ESC to lock or unlock your mouse</small>
-      </div>
-      <!-- <div class="btn" id="win1">Windows 1</div> -->
-    </div>
-    <div id="other-buttons">
-      <div class="btn" id="reset">Reset Machine & Delete State</div>
-      <div class="btn" id="floppy">Insert Floppy Disk</div>
-      <div class="btn" id="discard-state">Discard State & Boot From Scratch</div>
-      <div class="btn" id="show-disk-image">Show Disk Image</div>
-      <input id="file-input" type='file'>
-    </div>
-    <div id="information">
-      <p id="floppy-path"></p>
-      <p>You can insert a floppy disk image with the ".img" format.</p>
-      <p>
-        Boot the machine from scratch if you've inserted a new floppy disk
-        or if you've changed the disk image.
-      </p>
-    </div>
-  </div>
-  <div id="emulator" style="height: 100vh; width: 100vw">
-    <div style="white-space: pre; font: 14px monospace; line-height: 14px"></div>
-    <canvas style="display: none"></canvas>
-  </div>
-  <script type="module">
-    import("es6://renderer.js")
-  </script>
-</body>
-
-</html>

src/renderer/info.js

@@ -1,94 +0,0 @@
-const $ = document.querySelector.bind(document)
-const status = $('#status')
-const diskStatus = $('#disk-status')
-const cpuStatus = $('#cpu-status')
-const toggleStatus = $('#toggle-status')
-
-let lastCounter = 0
-let lastTick = 0
-let infoInterval = null
-
-const onIDEReadStart = () => {
-  diskStatus.innerHTML = 'Read'
-}
-
-const onIDEReadWriteEnd = () => {
-  diskStatus.innerHTML = 'Idle'
-}
-
-toggleStatus.onclick = toggleInfo
-
-/**
- * Toggle the information display
- */
-export function toggleInfo () {
-  if (status.style.display !== 'none') {
-    disableInfo()
-  } else {
-    enableInfo()
-  }
-}
-
-/**
- * Start information gathering, but only if the panel is visible
- */
-export function startInfoMaybe () {
-  if (status.style.display !== 'none') {
-    enableInfo()
-  }
-}
-
-/**
- * Enable the gathering of information (and hide the little information tab)
- */
-export function enableInfo () {
-  // Show the info thingy
-  status.style.display = 'block'
-
-  // We can only do the rest with an emulator
-  if (!window.emulator.add_listener) {
-    return
-  }
-
-  // Set listeners
-  window.emulator.add_listener('ide-read-start', onIDEReadStart)
-  window.emulator.add_listener('ide-read-end', onIDEReadWriteEnd)
-  window.emulator.add_listener('ide-write-end', onIDEReadWriteEnd)
-  window.emulator.add_listener('screen-set-size-graphical', console.log)
-
-  // Set an interval
-  infoInterval = setInterval(() => {
-    const now = Date.now()
-    const instructionCounter = window.emulator.get_instruction_counter()
-    const ips = instructionCounter - lastCounter
-    const deltaTime = now - lastTick
-
-    lastTick = now
-    lastCounter = instructionCounter
-
-    cpuStatus.innerHTML = Math.round(ips / deltaTime)
-  }, 500)
-}
-
-/**
- * Disable the gathering of information (and hide the little information tab)
- */
-export function disableInfo () {
-  // Hide the info thingy
-  status.style.display = 'none'
-
-  // Clear the interval
-  clearInterval(infoInterval)
-  infoInterval = null
-
-  // We can only do the rest with an emulator
-  if (!window.emulator.remove_listener) {
-    return
-  }
-
-  // Unset the listeners
-  window.emulator.remove_listener('ide-read-start', onIDEReadStart)
-  window.emulator.remove_listener('ide-read-end', onIDEReadWriteEnd)
-  window.emulator.remove_listener('ide-write-end', onIDEReadWriteEnd)
-  window.emulator.remove_listener('screen-set-size-graphical', console.log)
-}

src/renderer/ipc.js

@@ -1,44 +0,0 @@
-import { toggleInfo } from 'es6://info.js'
-
-export function setupIpcListeners (start) {
-  const { windows95 } = window
-
-  windows95.addListener(windows95.IPC_COMMANDS.TOGGLE_INFO, () => {
-    toggleInfo()
-  })
-
-  windows95.addListener(windows95.IPC_COMMANDS.MACHINE_RESTART, () => {
-    console.log(`Restarting machine`)
-
-    if (!window.emulator || !window.emulator.is_running) return
-
-    window.emulator.restart()
-  })
-
-  windows95.addListener(windows95.IPC_COMMANDS.MACHINE_RESET, () => {
-    console.log(`Resetting machine`)
-
-    window.appState.isResetting = true
-    document.location.hash = `#AUTO_START`
-    document.location.reload()
-  })
-
-  windows95.addListener(windows95.IPC_COMMANDS.MACHINE_CTRL_ALT_DEL, () => {
-    if (!window.emulator || !window.emulator.is_running) return
-
-    window.emulator.keyboard_send_scancodes([
-      0x1D, // ctrl
-      0x38, // alt
-      0x53, // delete
-
-      // break codes
-      0x1D | 0x80,
-      0x38 | 0x80,
-      0x53 | 0x80
-    ])
-  })
-
-  windows95.addListener(windows95.IPC_COMMANDS.SHOW_DISK_IMAGE, () => {
-    windows95.showDiskImage()
-  })
-}

src/renderer/listeners.js

@@ -1,47 +0,0 @@
-export function setupCloseListener () {
-  window.appState.isQuitting = false
-
-  const handleClose = async () => {
-    await windows95.saveState()
-    window.appState.isQuitting = true
-    windows95.quit()
-  }
-
-  window.onbeforeunload = (event) => {
-    if (window.appState.isQuitting) return
-    if (window.appState.isResetting) return
-
-    handleClose()
-    event.preventDefault()
-    event.returnValue = false
-  }
-}
-
-export function setupEscListener () {
-  document.onkeydown = function (evt) {
-    evt = evt || window.event
-    if (evt.keyCode === 27) {
-      if (window.appState.cursorCaptured) {
-        window.appState.cursorCaptured = false
-        window.emulator.mouse_set_status(false)
-        document.exitPointerLock()
-      } else {
-        window.appState.cursorCaptured = true
-        window.emulator.lock_mouse()
-      }
-    }
-  }
-}
-
-function onDocumentClick () {
-  if (!window.appState.cursorCaptured) {
-    window.appState.cursorCaptured = true
-    window.emulator.mouse_set_status(true)
-    window.emulator.lock_mouse()
-  }
-}
-
-export function setupClickListener () {
-  document.removeEventListener('click', onDocumentClick)
-  document.addEventListener('click', onDocumentClick)
-}

src/renderer/renderer.js

@@ -1,72 +0,0 @@
-/* We're using modern esm imports here */
-import { setupState } from 'es6://app-state.js'
-import { setupClickListener, setupEscListener, setupCloseListener } from 'es6://listeners.js'
-import { toggleButtons, setupButtons } from 'es6://buttons.js'
-import { startInfoMaybe } from 'es6://info.js'
-import { setupIpcListeners } from 'es6://ipc.js'
-
-setupState()
-
-/**
- * The main method executing the VM.
- */
-async function main () {
-  const imageSize = await window.windows95.getDiskImageSize()
-  const options = {
-    memory_size: 128 * 1024 * 1024,
-    video_memory_size: 32 * 1024 * 1024,
-    screen_container: document.getElementById('emulator'),
-    bios: {
-      url: './bios/seabios.bin'
-    },
-    vga_bios: {
-      url: './bios/vgabios.bin'
-    },
-    hda: {
-      url: '../images/windows95.img',
-      async: true,
-      size: imageSize
-    },
-    fda: {
-      buffer: window.appState.floppyFile || undefined
-    },
-    boot_order: 0x132
-  }
-
-  console.log(`Starting emulator with options`, options)
-
-  // New v86 instance
-  window.emulator = new V86Starter(options)
-
-  // Restore state. We can't do this right away
-  // and randomly chose 500ms as the appropriate
-  // wait time (lol)
-  setTimeout(async () => {
-    if (!window.appState.bootFresh) {
-      windows95.restoreState()
-    }
-
-    startInfoMaybe()
-
-    window.appState.cursorCaptured = true
-    window.emulator.lock_mouse()
-    window.emulator.run()
-  }, 500)
-}
-
-function start () {
-  document.body.className = ''
-
-  toggleButtons(false)
-  setupClickListener()
-  main()
-}
-
-setupIpcListeners(start)
-setupEscListener()
-setupCloseListener()
-setupButtons(start)
-
-if (document.location.hash.includes('AUTO_START')) {
-  start()
-}

src/renderer/start-menu.tsx

@@ -0,0 +1,43 @@
+import * as React from "react";
+
+export interface StartMenuProps {
+  navigate: (to: string) => void;
+}
+
+export class StartMenu extends React.Component<StartMenuProps, {}> {
+  constructor(props: StartMenuProps) {
+    super(props);
+
+    this.navigate = this.navigate.bind(this);
+  }
+
+  public render() {
+    return (
+      <nav className="nav nav-bottom">
+        <a onClick={this.navigate} href="#" id="start" className="nav-link">
+          <img src="../../static/start.png" alt="Start" />
+          <span>Start</span>
+        </a>
+        <div className="nav-menu">
+          <a
+            onClick={this.navigate}
+            href="#"
+            id="settings"
+            className="nav-link"
+          >
+            <img src="../../static/settings.png" />
+            <span>Settings</span>
+          </a>
+          <a onClick={this.navigate} href="#" id="drive" className="nav-link">
+            <img src="../../static/drive.png" />
+            <span>Modify C: Drive</span>
+          </a>
+        </div>
+      </nav>
+    );
+  }
+
+  private navigate(event: React.SyntheticEvent<HTMLAnchorElement>) {
+    this.props.navigate(event.currentTarget.id);
+  }
+}

src/renderer/style/style.css

@@ -1,99 +0,0 @@
-html, body {
-  margin: 0;
-  padding: 0;
-}
-
-body {
-  background: #000;
-}
-
-body.paused > #emulator {
-  display: none;
-}
-
-body.paused {
-  background: #008080;
-  font-family: Courier;
-}
-
-#buttons {
-  user-select: none;
-}
-
-#status {
-  user-select: none;
-  position: absolute;
-  z-index: 100;
-  left: calc(50vw - 110px);
-  background: white;
-  text-align: center;
-  font-family: Courier;
-  font-size: 10px;
-  padding-bottom: 3px;
-  border-bottom-left-radius: 15px;
-  border-bottom-right-radius: 15px;
-  overflow: hidden;
-  padding-left: 10px;
-  padding-right: 10px;
-  max-height: 18px;
-}
-
-#floppy-path {
-  background: beige;
-  padding: 5px;
-}
-
-#information {
-  text-align: center;
-  position: absolute;
-  width: 100vw;
-  bottom: 50px;
-  font-size: 18px;
-}
-
-#emulator {
-  display: flex
-}
-
-#emulator canvas {
-  margin: auto;
-}
-
-#file-input {
-  display: none;
-}
-
-#other-buttons {
-  position: absolute;
-  width: 100vw;
-  height: 100px;
-  display: flex;
-  align-items: flex-end;
-  bottom: 0;
-  justify-content: center;
-}
-
-#start-buttons {
-  position: absolute;
-  width: 100vw;
-  height: 100vh;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-}
-
-.btn {
-  font-family: Courier;
-  cursor: pointer;
-  background: #ffd2fd;
-  margin: 10px;
-  padding: 5px;
-  text-align: center;
-}
-
-.btn:hover {
-  cursor: pointer;
-  background: #ff95fa;
-  margin: 10px;
-  padding: 5px;
-}

src/state.js

@@ -1,81 +0,0 @@
-const fs = require('fs-extra')
-
-const { CONSTANTS } = require('./constants')
-
-/**
- * Returns the current machine's state - either what
- * we have saved or alternatively the default state.
- *
- * @returns {ArrayBuffer}
- */
-function getState () {
-  const statePath = fs.existsSync(CONSTANTS.STATE_PATH)
-    ? CONSTANTS.STATE_PATH
-    : CONSTANTS.DEFAULT_STATE_PATH
-
-  if (fs.existsSync(statePath)) {
-    return fs.readFileSync(statePath).buffer
-  }
-}
-
-/**
- * Resets a saved state by simply deleting it.
- *
- * @returns {Promise<void>}
- */
-async function resetState () {
-  if (fs.existsSync(CONSTANTS.STATE_PATH)) {
-    return fs.remove(CONSTANTS.STATE_PATH)
-  }
-}
-
-/**
- * Saves the current VM's state.
- *
- * @returns {Promise<void>}
- */
-async function saveState () {
-  return new Promise((resolve) => {
-    if (!window.emulator || !window.emulator.save_state) {
-      return resolve()
-    }
-
-    window.emulator.save_state(async (error, newState) => {
-      if (error) {
-        console.warn(`State: Could not save state`, error)
-        return
-      }
-
-      await fs.outputFile(CONSTANTS.STATE_PATH, Buffer.from(newState))
-
-      console.log(`State: Saved state to ${CONSTANTS.STATE_PATH}`)
-
-      resolve()
-    })
-  })
-}
-
-/**
- * Restores the VM's state.
- */
-function restoreState () {
-  const state = getState()
-
-  // Nothing to do with if we don't have a state
-  if (!state) {
-    console.log(`State: No state present, not restoring.`)
-  }
-
-  try {
-    window.emulator.restore_state(state)
-  } catch (error) {
-    console.log(`State: Could not read state file. Maybe none exists?`, error)
-  }
-}
-
-module.exports = {
-  saveState,
-  restoreState,
-  resetState,
-  getState
-}

src/utils/devmode.ts

@@ -0,0 +1,8 @@
+/**
+ * Are we currently running in development mode?
+ *
+ * @returns {boolean}
+ */
+export function isDevMode() {
+  return !!process.defaultApp;
+}

src/utils/disk-image-size.js

@@ -1,26 +0,0 @@
-const fs = require('fs-extra')
-
-const { CONSTANTS } = require('../constants')
-
-/**
- * Get the size of the disk image
- *
- * @returns {number}
- */
-async function getDiskImageSize () {
-  try {
-    const stats = await fs.stat(CONSTANTS.IMAGE_PATH)
-
-    if (stats) {
-      return stats.size
-    }
-  } catch (error) {
-    console.warn(`Could not determine image size`, error)
-  }
-
-  return CONSTANTS.IMAGE_DEFAULT_SIZE
-}
-
-module.exports = {
-  getDiskImageSize
-}

src/utils/disk-image-size.ts

@@ -0,0 +1,22 @@
+import * as fs from "fs-extra";
+
+import { CONSTANTS } from "../constants";
+
+/**
+ * Get the size of the disk image
+ *
+ * @returns {number}
+ */
+export async function getDiskImageSize() {
+  try {
+    const stats = await fs.stat(CONSTANTS.IMAGE_PATH);
+
+    if (stats) {
+      return stats.size;
+    }
+  } catch (error) {
+    console.warn(`Could not determine image size`, error);
+  }
+
+  return CONSTANTS.IMAGE_DEFAULT_SIZE;
+}

static/index.html

@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8" />
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <title>windows95</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="stylesheet" href="../src/less/vendor/95css.css">
+  <link rel="stylesheet" href="../src/less/root.less">
+  <script src="../src/renderer/lib/libv86.js"></script>
+</head>
+<body class="paused windows95">
+  <div id="app"></div>
+  <script src="../src/renderer/app.tsx"></script>
+</body>
+</html>

tools/generateAssets.js

@@ -0,0 +1,7 @@
+/* tslint:disable */
+
+const { compileParcel } = require('./parcel-build')
+
+module.exports = async () => {
+  await Promise.all([compileParcel()])
+}

tools/parcel-build.js

@@ -0,0 +1,47 @@
+/* tslint:disable */
+
+const Bundler = require('parcel-bundler')
+const path = require('path')
+
+async function compileParcel (options = {}) {
+  const entryFiles = [
+    path.join(__dirname, '../static/index.html'),
+    path.join(__dirname, '../src/main/main.ts')
+  ]
+
+  const bundlerOptions = {
+    outDir: './dist', // The out directory to put the build files in, defaults to dist
+    outFile: undefined, // The name of the outputFile
+    publicUrl: '../', // The url to server on, defaults to dist
+    watch: false, // whether to watch the files and rebuild them on change, defaults to process.env.NODE_ENV !== 'production'
+    cache: false, // Enabled or disables caching, defaults to true
+    cacheDir: '.cache', // The directory cache gets put in, defaults to .cache
+    contentHash: false, // Disable content hash from being included on the filename
+    minify: false, // Minify files, enabled if process.env.NODE_ENV === 'production'
+    scopeHoist: false, // turn on experimental scope hoisting/tree shaking flag, for smaller production bundles
+    target: 'electron', // browser/node/electron, defaults to browser
+    // https: { // Define a custom {key, cert} pair, use true to generate one or false to use http
+    //   cert: './ssl/c.crt', // path to custom certificate
+    //   key: './ssl/k.key' // path to custom key
+    // },
+    logLevel: 3, // 3 = log everything, 2 = log warnings & errors, 1 = log errors
+    hmr: false, // Enable or disable HMR while watching
+    hmrPort: 0, // The port the HMR socket runs on, defaults to a random free port (0 in node.js resolves to a random free port)
+    sourceMaps: true, // Enable or disable sourcemaps, defaults to enabled (minified builds currently always create sourcemaps)
+    hmrHostname: '', // A hostname for hot module reload, default to ''
+    detailedReport: false, // Prints a detailed report of the bundles, assets, filesizes and times, defaults to false, reports are only printed if watch is disabled,
+    ...options
+  }
+
+  const bundler = new Bundler(entryFiles, bundlerOptions)
+
+  // Run the bundler, this returns the main bundle
+  // Use the events if you're using watch mode as this promise will only trigger once and not for every rebuild
+  await bundler.bundle()
+}
+
+module.exports = {
+  compileParcel
+}
+
+if (require.main === module) compileParcel()

tools/parcel-watch.js

@@ -0,0 +1,11 @@
+const { compileParcel } = require('./parcel-build')
+
+async function watchParcel () {
+  return compileParcel({ watch: true })
+}
+
+module.exports = {
+  watchParcel
+}
+
+if (require.main === module) watchParcel()

tools/run-bin.js

@@ -0,0 +1,30 @@
+/* tslint:disable */
+
+const childProcess = require('child_process')
+const path = require('path')
+
+async function run (name, bin, args = []) {
+  await new Promise((resolve, reject) => {
+    console.info(`Running ${name}`)
+
+    const cmd = process.platform === 'win32' ? `${bin}.cmd` : bin
+    const child = childProcess.spawn(
+      path.resolve(__dirname, '..', 'node_modules', '.bin', cmd),
+      args,
+      {
+        cwd: path.resolve(__dirname, '..'),
+        stdio: 'inherit'
+      }
+    )
+
+    child.on('exit', (code) => {
+      console.log('')
+      if (code === 0) return resolve()
+      reject(new Error(`${name} failed`))
+    })
+  })
+};
+
+module.exports = {
+  run
+}

tools/tsc.js

@@ -0,0 +1,13 @@
+/* tslint:disable */
+
+const { run } = require('./run-bin')
+
+async function compileTypeScript () {
+  await run('TypeScript', 'tsc', ['-p', 'tsconfig.json'])
+};
+
+module.exports = {
+  compileTypeScript
+}
+
+if (require.main === module) compileTypeScript()

tsconfig.json

@@ -0,0 +1,43 @@
+{
+  "compilerOptions": {
+    "outDir": "./dist",
+    "allowJs": true,
+    "allowSyntheticDefaultImports": true,
+    "experimentalDecorators": true,
+    "removeComments": false,
+    "preserveConstEnums": true,
+    "sourceMap": true,
+    "lib": [
+      "es2017",
+      "dom"
+    ],
+    "noImplicitAny": true,
+    "noImplicitReturns": true,
+    "suppressImplicitAnyIndexErrors": true,
+    "strictNullChecks": true,
+    "noUnusedLocals": true,
+    "noImplicitThis": true,
+    "noUnusedParameters": true,
+    "importHelpers": true,
+    "noEmitHelpers": false,
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "pretty": true,
+    "target": "es2017",
+    "jsx": "react",
+    "typeRoots": [
+      "./node_modules/@types"
+    ],
+    "baseUrl": "."
+  },
+  "include": [
+    "src/**/*"
+  ],
+  "exclude": [
+    "node_modules"
+  ],
+  "formatCodeOptions": {
+    "indentSize": 2,
+    "tabSize": 2
+  }
+}