src/java.desktop/windows/native/libawt/windows/awt_Toolkit.cpp

*** 303,312 ****
--- 303,315 ----
      m_vmSignalled = FALSE;
  
      m_isDynamicLayoutSet = FALSE;
      m_areExtraMouseButtonsEnabled = TRUE;
  
+     m_isWin8OrLater = FALSE;
+     m_pGetPointerInfoHandle = NULL;
+ 
      m_verifyComponents = FALSE;
      m_breakOnError = FALSE;
  
      m_breakMessageLoop = FALSE;
      m_messageLoopResult = 0;
*** 515,524 ****
--- 518,540 ----
                                                (HOOKPROC)GetMessageFilter,
                                                0, tk.m_mainThreadId);
  
      awt_dnd_initialize();
  
+     /*
+      * Initialization of the touch related variables.
+      */
+     tk.m_isWin8OrLater = IS_WIN8;
+ 
+     if (tk.m_isWin8OrLater) {
+         HMODULE hUser32Dll = ::LoadLibrary(_T("user32.dll"));
+         if (hUser32Dll != NULL) {
+             tk.m_pGetPointerInfoHandle = (GetPointerInfoHandleFunc)
+                 ::GetProcAddress(hUser32Dll, "GetPointerInfo");
+         }
+     }
+ 
      return TRUE;
  }
  
  BOOL AwtToolkit::Dispose() {
      DTRACE_PRINTLN("In AwtToolkit::Dispose()");
*** 539,548 ****
--- 555,566 ----
      AwtObjectList::Cleanup();
  
      awt_dnd_uninitialize();
      awt_clipboard_uninitialize((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2));
  
+     m_pGetPointerInfoHandle = NULL;
+ 
      if (tk.m_inputMethodHWnd != NULL) {
          ::SendMessage(tk.m_inputMethodHWnd, WM_IME_CONTROL, IMC_OPENSTATUSWINDOW, 0);
      }
      tk.m_inputMethodHWnd = NULL;
  
*** 2822,2826 ****
--- 2840,2853 ----
  }
  
  UINT AwtToolkit::GetNumberOfButtons() {
      return MOUSE_BUTTONS_WINDOWS_SUPPORTED;
  }
+ 
+ BOOL AwtToolkit::TIGetPointerInfo(UINT32 pointerID, POINTER_INFO *pointerInfo)
+ {
+     if (m_pGetPointerInfoHandle == NULL) {
+         return FALSE;
+     }
+ 
+     return m_pGetPointerInfoHandle(pointerID, pointerInfo);
+ }