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

*** 125,134 ****
--- 125,144 ----
      if ((refs = --m_refs) == 0) delete this;
  
      return (ULONG)refs;
  }
  
+ void ScaleDown(POINT &cp, HWND m_window) {
+     int screen = AwtWin32GraphicsDevice::DeviceIndexForWindow(m_window);
+     Devices::InstanceAccess devices;
+     AwtWin32GraphicsDevice* device = devices->GetDevice(screen);
+     if (device) {
+         cp.x = device->ScaleDownX(cp.x);
+         cp.y = device->ScaleDownY(cp.y);
+     }
+ }
+ 
  /**
   * DragEnter
   */
  
  HRESULT __stdcall AwtDropTarget::DragEnter(IDataObject __RPC_FAR *pDataObj, DWORD grfKeyState, POINTL pt, DWORD __RPC_FAR *pdwEffect) {
*** 174,183 ****
--- 184,194 ----
  
          ::GetWindowRect(m_window, &wr);
  
          cp.x = pt.x - wr.left;
          cp.y = pt.y - wr.top;
+         ScaleDown(cp, m_window);
  
          jint actions = call_dTCenter(env, m_dtcp, m_target,
                                       (jint)cp.x, (jint)cp.y,
                                       ::convertDROPEFFECTToActions(mapModsToDROPEFFECT(*pdwEffect, grfKeyState)),
                                       ::convertDROPEFFECTToActions(*pdwEffect),
*** 235,244 ****
--- 246,256 ----
  
      ::GetWindowRect(m_window, &wr);
  
      cp.x = pt.x - wr.left;
      cp.y = pt.y - wr.top;
+     ScaleDown(cp, m_window);
  
      actions = call_dTCmotion(env, m_dtcp, m_target,(jint)cp.x, (jint)cp.y,
                               ::convertDROPEFFECTToActions(mapModsToDROPEFFECT(*pdwEffect, grfKeyState)),
                               ::convertDROPEFFECTToActions(*pdwEffect),
                               m_cfFormats, (jlong)this);
*** 334,343 ****
--- 346,356 ----
  
      ::GetWindowRect(m_window, &wr);
  
      cp.x = pt.x - wr.left;
      cp.y = pt.y - wr.top;
+     ScaleDown(cp, m_window);
  
      m_dropActions = java_awt_dnd_DnDConstants_ACTION_NONE;
  
      call_dTCdrop(env, m_dtcp, m_target, (jint)cp.x, (jint)cp.y,
                   ::convertDROPEFFECTToActions(mapModsToDROPEFFECT(*pdwEffect, grfKeyState)),