mirror of https://github.com/electron/electron
103 lines
2.9 KiB
JavaScript
103 lines
2.9 KiB
JavaScript
// Modules to control application life and create native browser window
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const { app, BrowserWindow, ipcMain, dialog, shell } = require('electron/main')
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const path = require('node:path')
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// Keep a global reference of the window object, if you don't, the window will
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// be closed automatically when the JavaScript object is garbage collected.
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let mainWindow
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function createWindow () {
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// Create the browser window.
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mainWindow = new BrowserWindow({
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width: 800,
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height: 600,
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webPreferences: {
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preload: path.join(__dirname, 'preload.js')
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}
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})
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// and load the index.html of the app.
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mainWindow.loadFile('index.html')
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// Open the DevTools.
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// mainWindow.webContents.openDevTools()
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// Emitted when the window is closed.
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mainWindow.on('closed', function () {
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// Dereference the window object, usually you would store windows
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// in an array if your app supports multi windows, this is the time
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// when you should delete the corresponding element.
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mainWindow = null
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})
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// Open external links in the default browser
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mainWindow.webContents.on('will-navigate', (event, url) => {
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event.preventDefault()
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shell.openExternal(url)
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})
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}
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// This method will be called when Electron has finished
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// initialization and is ready to create browser windows.
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// Some APIs can only be used after this event occurs.
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app.whenReady().then(createWindow)
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// Quit when all windows are closed.
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app.on('window-all-closed', function () {
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// On macOS it is common for applications and their menu bar
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// to stay active until the user quits explicitly with Cmd + Q
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if (process.platform !== 'darwin') {
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app.quit()
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}
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})
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app.on('activate', function () {
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// On macOS it is common to re-create a window in the app when the
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// dock icon is clicked and there are no other windows open.
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if (mainWindow === null) {
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createWindow()
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}
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})
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ipcMain.on('open-error-dialog', event => {
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dialog.showErrorBox('An Error Message', 'Demonstrating an error message.')
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})
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ipcMain.on('open-information-dialog', event => {
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const options = {
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type: 'info',
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title: 'Information',
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message: "This is an information dialog. Isn't it nice?",
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buttons: ['Yes', 'No']
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}
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dialog.showMessageBox(options, index => {
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event.sender.send('information-dialog-selection', index)
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})
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})
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ipcMain.on('open-file-dialog', event => {
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dialog.showOpenDialog(
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{
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properties: ['openFile', 'openDirectory']
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},
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files => {
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if (files) {
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event.sender.send('selected-directory', files)
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}
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}
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)
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})
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ipcMain.on('save-dialog', event => {
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const options = {
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title: 'Save an Image',
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filters: [{ name: 'Images', extensions: ['jpg', 'png', 'gif'] }]
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}
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dialog.showSaveDialog(options, filename => {
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event.sender.send('saved-file', filename)
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})
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})
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// In this file you can include the rest of your app's specific main process
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// code. You can also put them in separate files and require them here.
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