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

*** 314,326 ****
--- 314,342 ----
      UINT        scancode;
      JNIEnv *    env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
  
      // convert Java key into Windows key (and modifiers too)
      AwtComponent::JavaKeyToWindowsKey(jkey, &vkey, &modifiers);
+ 
      if (vkey == 0) {
+         /* vkey would be 0 for all non-ascii inputs. If non-ascii
+            then we assume they are unicode characters and will
+            supply such input to SendInput() which can handle unicode
+            characters as well as ascii chars. Windows provides api's to
+            handle ascii and unicode characters. All ascii characters
+            (both OEM and standard ascii) would be supplied to keybd_event().
+ 
+            HandleUnicodeKeys() returns the status of the SendInput()
+            which returns 0 if there is a fail else non-zero.
+            The status 0 tells that the SendInput() in unable to interpret
+            the supplied input upon which the illegal argument exception
+            would be raised.
+         */
+         if(!HandleUnicodeKeys(jkey, dwFlags)) {
              // no equivalent Windows key found for given Java keycode
              JNU_ThrowIllegalArgumentException(env, "Invalid key code");
+         }
      } else {
          // get the scancode from the virtual key
          scancode = ::MapVirtualKey(vkey, 0);
          if (vkey == VK_RMENU ||
              vkey == VK_DELETE ||
*** 337,346 ****
--- 353,373 ----
          }
          keybd_event(vkey, scancode, dwFlags, 0);
      }
  }
  
+ UINT AwtRobot::HandleUnicodeKeys(jint key, DWORD dwFlags)
+ {
+     NSWinInput::INPUT ip;
+     ip.type = 1; //INPUT_KEYBOARD;
+     ip.ki.wVk = 0;
+     ip.ki.wScan = key;
+     ip.ki.dwFlags = (DWORD)(dwFlags | 4); //KEYEVENTF_UNICODE(4)
+     ip.ki.dwExtraInfo = 0;
+     return SendInput(1, (LPINPUT)&ip, sizeof(INPUT));
+ }
+ 
  //
  // utility function to get the C++ object from the Java one
  //
  // (static)
  AwtRobot * AwtRobot::GetRobot( jobject self )