electron/docs/fiddles/menus/customize-menus/main.js

369 lines
8.3 KiB
JavaScript

// Modules to control application life and create native browser window
const {
BrowserWindow,
Menu,
MenuItem,
ipcMain,
app,
shell,
dialog,
autoUpdater
} = require('electron/main')
const path = require('node:path')
const menu = new Menu()
menu.append(new MenuItem({ label: 'Hello' }))
menu.append(new MenuItem({ type: 'separator' }))
menu.append(
new MenuItem({ label: 'Electron', type: 'checkbox', checked: true })
)
const template = [
{
label: 'Edit',
submenu: [
{
label: 'Undo',
accelerator: 'CmdOrCtrl+Z',
role: 'undo'
},
{
label: 'Redo',
accelerator: 'Shift+CmdOrCtrl+Z',
role: 'redo'
},
{
type: 'separator'
},
{
label: 'Cut',
accelerator: 'CmdOrCtrl+X',
role: 'cut'
},
{
label: 'Copy',
accelerator: 'CmdOrCtrl+C',
role: 'copy'
},
{
label: 'Paste',
accelerator: 'CmdOrCtrl+V',
role: 'paste'
},
{
label: 'Select All',
accelerator: 'CmdOrCtrl+A',
role: 'selectall'
}
]
},
{
label: 'View',
submenu: [
{
label: 'Reload',
accelerator: 'CmdOrCtrl+R',
click: (item, focusedWindow) => {
if (focusedWindow) {
// on reload, start fresh and close any old
// open secondary windows
if (focusedWindow.id === 1) {
for (const win of BrowserWindow.getAllWindows()) {
if (win.id > 1) win.close()
}
}
focusedWindow.reload()
}
}
},
{
label: 'Toggle Full Screen',
accelerator: (() => {
if (process.platform === 'darwin') {
return 'Ctrl+Command+F'
} else {
return 'F11'
}
})(),
click: (item, focusedWindow) => {
if (focusedWindow) {
focusedWindow.setFullScreen(!focusedWindow.isFullScreen())
}
}
},
{
label: 'Toggle Developer Tools',
accelerator: (() => {
if (process.platform === 'darwin') {
return 'Alt+Command+I'
} else {
return 'Ctrl+Shift+I'
}
})(),
click: (item, focusedWindow) => {
if (focusedWindow) {
focusedWindow.webContents.toggleDevTools()
}
}
},
{
type: 'separator'
},
{
label: 'App Menu Demo',
click: function (item, focusedWindow) {
if (focusedWindow) {
const options = {
type: 'info',
title: 'Application Menu Demo',
buttons: ['Ok'],
message:
'This demo is for the Menu section, showing how to create a clickable menu item in the application menu.'
}
dialog.showMessageBox(focusedWindow, options, function () {})
}
}
}
]
},
{
label: 'Window',
role: 'window',
submenu: [
{
label: 'Minimize',
accelerator: 'CmdOrCtrl+M',
role: 'minimize'
},
{
label: 'Close',
accelerator: 'CmdOrCtrl+W',
role: 'close'
},
{
type: 'separator'
},
{
label: 'Reopen Window',
accelerator: 'CmdOrCtrl+Shift+T',
enabled: false,
key: 'reopenMenuItem',
click: () => {
app.emit('activate')
}
}
]
},
{
label: 'Help',
role: 'help',
submenu: [
{
label: 'Learn More',
click: () => {
shell.openExternal('https://electronjs.org')
}
}
]
}
]
function addUpdateMenuItems (items, position) {
if (process.mas) return
const version = app.getVersion()
const updateItems = [
{
label: `Version ${version}`,
enabled: false
},
{
label: 'Checking for Update',
enabled: false,
key: 'checkingForUpdate'
},
{
label: 'Check for Update',
visible: false,
key: 'checkForUpdate',
click: () => {
autoUpdater.checkForUpdates()
}
},
{
label: 'Restart and Install Update',
enabled: true,
visible: false,
key: 'restartToUpdate',
click: () => {
autoUpdater.quitAndInstall()
}
}
]
items.splice.apply(items, [position, 0].concat(updateItems))
}
function findReopenMenuItem () {
const menu = Menu.getApplicationMenu()
if (!menu) return
let reopenMenuItem
for (const item of menu.items) {
if (item.submenu) {
for (const subitem of item.submenu.items) {
if (subitem.key === 'reopenMenuItem') {
reopenMenuItem = subitem
}
}
}
}
return reopenMenuItem
}
if (process.platform === 'darwin') {
const name = app.getName()
template.unshift({
label: name,
submenu: [
{
label: `About ${name}`,
role: 'about'
},
{
type: 'separator'
},
{
label: 'Services',
role: 'services',
submenu: []
},
{
type: 'separator'
},
{
label: `Hide ${name}`,
accelerator: 'Command+H',
role: 'hide'
},
{
label: 'Hide Others',
accelerator: 'Command+Alt+H',
role: 'hideothers'
},
{
label: 'Show All',
role: 'unhide'
},
{
type: 'separator'
},
{
label: 'Quit',
accelerator: 'Command+Q',
click: () => {
app.quit()
}
}
]
})
// Window menu.
template[3].submenu.push(
{
type: 'separator'
},
{
label: 'Bring All to Front',
role: 'front'
}
)
addUpdateMenuItems(template[0].submenu, 1)
}
if (process.platform === 'win32') {
const helpMenu = template[template.length - 1].submenu
addUpdateMenuItems(helpMenu, 0)
}
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow
function createWindow () {
// Create the browser window.
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()
// Emitted when the window is closed.
mainWindow.on('closed', function () {
// Dereference the window object, usually you would store windows
// in an array if your app supports multi windows, this is the time
// when you should delete the corresponding element.
mainWindow = null
})
// Open external links in the default browser
mainWindow.webContents.on('will-navigate', (event, url) => {
event.preventDefault()
shell.openExternal(url)
})
}
// 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()
const menu = Menu.buildFromTemplate(template)
Menu.setApplicationMenu(menu)
})
// Quit when all windows are closed.
app.on('window-all-closed', function () {
// On macOS it is common for applications and their menu bar
// to stay active until the user quits explicitly with Cmd + Q
const reopenMenuItem = findReopenMenuItem()
if (reopenMenuItem) reopenMenuItem.enabled = true
if (process.platform !== 'darwin') {
app.quit()
}
})
app.on('activate', function () {
// On macOS it is common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (mainWindow === null) {
createWindow()
}
})
app.on('browser-window-created', (event, win) => {
const reopenMenuItem = findReopenMenuItem()
if (reopenMenuItem) reopenMenuItem.enabled = false
win.webContents.on('context-menu', (e, params) => {
menu.popup(win, params.x, params.y)
})
})
ipcMain.on('show-context-menu', event => {
const win = BrowserWindow.fromWebContents(event.sender)
menu.popup(win)
})
// 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.