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December 6, 2021 02:16
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Test code for electron macOS cmd+shift+arrow detection
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP --> | |
| <meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'"> | |
| <link href="./styles.css" rel="stylesheet"> | |
| <title>Hello World!</title> | |
| </head> | |
| <body> | |
| <h1>Hello World!</h1> | |
| We are using Node.js <span id="node-version"></span>, | |
| Chromium <span id="chrome-version"></span>, | |
| and Electron <span id="electron-version"></span>. | |
| <!-- You can also require other files to run in this process --> | |
| <script src="./renderer.js"></script> | |
| </body> | |
| </html> |
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| /* | |
| Steps to reproduce: | |
| - In System Preferences, set keyboard shortcuts to use Cmd-Left and Cmd-Right | |
| - Use this main.js file with https://github.com/electron/electron-quick-start | |
| - Try pressing Cmd+Shift+Left and Cmd+Shift+Right. | |
| The MenuItems will respond and print CursorHomeSelect and CursorEndSelect. | |
| However, the DevTools console will not. | |
| This appears to be a Chromium issue, as running this code in Chromium's DevTools: | |
| > window.addEventListener('keydown', (e) => {console.log(e);}); | |
| does not report Cmd+Shift+Left and Cmd+Shift+Right in Chromium, while it works fine in Firefox. | |
| */ | |
| // Modules to control application life and create native browser window | |
| const {app, BrowserWindow, Menu, MenuItem} = require('electron') | |
| const path = require('path') | |
| function createWindow () { | |
| // Create the browser window. | |
| const mainWindow = new BrowserWindow({ | |
| width: 800, | |
| height: 600, | |
| webPreferences: { | |
| preload: path.join(__dirname, 'preload.js') | |
| } | |
| }) | |
| // and load the index.html of the app. | |
| mainWindow.loadFile('index.html') | |
| // Open the DevTools. | |
| mainWindow.webContents.openDevTools() | |
| // The dev console will print all key presses except ArrowLeft and ArrowRight while Shift+Cmd are pressed. | |
| // It will only print ArrowLeft and ArrowRight if Shift+Cmd are not pressed. | |
| mainWindow.webContents.executeJavaScript(` | |
| window.addEventListener('keydown', (e) => { | |
| console.log(e); | |
| }); | |
| `); | |
| } | |
| // MenuItems do respond to Cmd+Shift+Left and Cmd+Shift+Right. | |
| // (Commenting out the MenuItems does not fix the above event listener.) | |
| const menu = new Menu() | |
| menu.append(new MenuItem({ | |
| label: 'Edit', | |
| submenu: [{ | |
| role: 'help', | |
| accelerator: process.platform === 'darwin' ? 'Cmd+Shift+Left' : 'Ctrl+Shift+Left', | |
| click: () => { console.log('CursorHomeSelect') } | |
| }, | |
| { | |
| role: 'help', | |
| accelerator: process.platform === 'darwin' ? 'Cmd+Shift+Right' : 'Ctrl+Shift+Right', | |
| click: () => { console.log('CursorEndSelect') } | |
| }] | |
| })) | |
| Menu.setApplicationMenu(menu) | |
| // 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.whenReady().then(() => { | |
| createWindow() | |
| app.on('activate', function () { | |
| // 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 (BrowserWindow.getAllWindows().length === 0) 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() | |
| }) | |
| // 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. |
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| // All of the Node.js APIs are available in the preload process. | |
| // It has the same sandbox as a Chrome extension. | |
| window.addEventListener('DOMContentLoaded', () => { | |
| const replaceText = (selector, text) => { | |
| const element = document.getElementById(selector) | |
| if (element) element.innerText = text | |
| } | |
| for (const type of ['chrome', 'node', 'electron']) { | |
| replaceText(`${type}-version`, process.versions[type]) | |
| } | |
| }) |
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| // This file is required by the index.html file and will | |
| // be executed in the renderer process for that window. | |
| // No Node.js APIs are available in this process because | |
| // `nodeIntegration` is turned off. Use `preload.js` to | |
| // selectively enable features needed in the rendering | |
| // process. |
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| /* styles.css */ | |
| /* Add styles here to customize the appearance of your app */ |
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Steps to reproduce:
This appears to be a Chromium issue, as running this code in Chromium's DevTools:
window.addEventListener('keydown', (e) => {console.log(e);});does not report Cmd+Shift+Left and Cmd+Shift+Right in Chromium, while it works fine in Firefox.