vbox: support absolute mouse input events

Got broken during upgrade from 4.2 to 4.3.

Fixes #1321

repos/ports/ports/virtualbox.hash

@@ -1 +1 @@
-1c349fbf04ac30d2cf5d5bb8fedeb71e7e09c7c5
+463f5e20b98e410d23d633b4f4ce20c2eafa3cc1

repos/ports/src/virtualbox/frontend/console.cc

@@ -86,8 +86,6 @@ HRESULT Console::Teleport(unsigned short*, unsigned int, unsigned short*,
                           unsigned int, Progress**)                             DUMMY(E_FAIL)
 HRESULT Console::setDiskEncryptionKeys(const Utf8Str &strCfg)                   DUMMY(E_FAIL)
 
-DisplayMouseInterface *Console::getDisplayMouseInterface()                      DUMMY(nullptr)
-
 void    Console::onMouseCapabilityChange(BOOL, BOOL, BOOL, BOOL)                TRACE()
 void    Console::onAdditionsStateChange()                                       TRACE()
 void    Console::onAdditionsOutdated()                                          DUMMY()

repos/ports/src/virtualbox/frontend/console.h

@@ -134,12 +134,6 @@ class GenodeConsole : public Console {
 				_key_status[i] = 0;
 
 			_input.sigh(_receiver.manage(&_context));
-/*
-			if (FAILED(gMouse->init(this))) {
-				PERR("mouse init failed");
-				return;
-			}
-*/
 		}
 
 		void eventWait(IKeyboard * gKeyboard, IMouse * gMouse)

repos/ports/src/virtualbox/patches/vbox_main.patch

@@ -721,7 +721,7 @@
  // private methods
  /////////////////////////////////////////////////////////////////////////////
      
-@@ -4388,11 +4429,15 @@
+@@ -4388,6 +4429,8 @@
      return rc;
  }
  
@@ -730,13 +730,15 @@
  VMMDevMouseInterface *Console::getVMMDevMouseInterface()
  {
      return m_pVMMDev;
+@@ -4398,6 +4441,8 @@
+     return mDisplay;
  }
  
 +#if 0
 +
- DisplayMouseInterface *Console::getDisplayMouseInterface()
- {
-     return mDisplay;
+ /**
+  * Parses one key value pair.
+  *
 @@ -6490,6 +6535,8 @@
      fireMouseCapabilityChangedEvent(mEventSource, supportsAbsolute, supportsRelative, supportsMT, needsHostCursor);
  }