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

app/lib/window.ts

@@ -188,10 +188,6 @@ export class Window {
         ipcMain.on('window-set-title', (_event, title) => {
             this.window.setTitle(title)
         })
-
-        ipcMain.on('window-popup-context-menu', (_event, menuDefinition) => {
-            Menu.buildFromTemplate(menuDefinition).popup({ window: this.window })
-        })
     }
 
     private destroy () {

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 () {

terminus-terminal/src/frontends/xtermFrontend.ts

@@ -43,6 +43,10 @@ export class XTermFrontend extends Frontend {
 
         host.addEventListener('dragOver', (event: any) => this.dragOver.next(event))
         host.addEventListener('drop', event => this.drop.next(event))
+
+        host.addEventListener('mousedown', event => this.mouseEvent.next(event))
+        host.addEventListener('mouseup', event => this.mouseEvent.next(event))
+        host.addEventListener('mousewheel', event => this.mouseEvent.next(event))
     }
 
     detach (host: HTMLElement): void {