fix search window

app/node_modules/electron-find/example/main.js

@@ -0,0 +1,47 @@
+const electron = require('electron')
+const { app, BrowserWindow, globalShortcut } = electron
+const path = require('path')
+let win
+const winURL = 'file://' + path.normalize(`${__dirname}/index.html`)
+
+function createWindow () {   
+  win = new BrowserWindow({ 
+    width: 1280,
+    height: 1040,
+    center: false,
+    webPreferences: {
+      nodeIntegration: true,
+      plugins: true,
+      } 
+  })
+  win.loadURL(winURL)
+  //win.webContents.openDevTools()
+  win.on('closed', () => {
+    win = null
+  })
+
+  win.on('focus', () => {
+    globalShortcut.register('CommandOrControl+F', function () {
+      if (win && win.webContents) {
+        win.webContents.send('on-find', '')
+      }
+    })
+  })
+  win.on('blur', () => {
+    globalShortcut.unregister('CommandOrControl+F')
+  })
+  
+}
+  
+app.on('ready', createWindow)
+app.on('window-all-closed', () => {
+  if (process.platform !== 'darwin') {
+    app.quit()
+  }
+  globalShortcut.unregister('CommandOrControl+F')
+})
+
+app.on('activate', () => {
+  if (win === null) createWindow()
+})
+