fixed context menu and xterm mouse events (fixes #442)

terminus-core/src/services/electron.service.ts

@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core'
-import { TouchBar, BrowserWindow } from 'electron'
+import { TouchBar, BrowserWindow, Menu } from 'electron'
 
 @Injectable()
 export class ElectronService {
@@ -14,6 +14,7 @@ export class ElectronService {
     remote: any
     TouchBar: typeof TouchBar
     BrowserWindow: typeof BrowserWindow
+    Menu: typeof Menu
     private electron: any
 
     constructor () {
@@ -29,6 +30,7 @@ export class ElectronService {
         this.nativeImage = this.remote.nativeImage
         this.TouchBar = this.remote.TouchBar
         this.BrowserWindow = this.remote.BrowserWindow
+        this.Menu = this.remote.Menu
     }
 
     remoteRequire (name: string): any {

terminus-core/src/services/hostApp.service.ts

@@ -169,7 +169,7 @@ export class HostAppService {
     }
 
     popupContextMenu (menuDefinition: Electron.MenuItemConstructorOptions[]) {
-        this.electron.ipcRenderer.send('window-popup-context-menu', menuDefinition)
+        this.electron.Menu.buildFromTemplate(menuDefinition).popup({})
     }
 
     broadcastConfigChange () {