src/macosx/classes/sun/lwawt/macosx/CPlatformResponder.java

*** 132,142 ****
          int jkeyCode = KeyEvent.VK_UNDEFINED;
          int jkeyLocation = KeyEvent.KEY_LOCATION_UNKNOWN;
          boolean postsTyped = false;
  
          char testChar = KeyEvent.CHAR_UNDEFINED;
!         char testDeadChar = 0;
  
          if (isFlagsChangedEvent) {
              int[] in = new int[] {modifierFlags, keyCode};
              int[] out = new int[3]; // [jkeyCode, jkeyLocation, jkeyType]
  
--- 132,142 ----
          int jkeyCode = KeyEvent.VK_UNDEFINED;
          int jkeyLocation = KeyEvent.KEY_LOCATION_UNKNOWN;
          boolean postsTyped = false;
  
          char testChar = KeyEvent.CHAR_UNDEFINED;
!         boolean isDeadChar = (chars!= null && chars.length() == 0);
  
          if (isFlagsChangedEvent) {
              int[] in = new int[] {modifierFlags, keyCode};
              int[] out = new int[3]; // [jkeyCode, jkeyLocation, jkeyType]
  
*** 148,165 ****
          } else {
              if (chars != null && chars.length() > 0) {
                  testChar = chars.charAt(0);
              }
  
!             int[] in = new int[] {testChar, testDeadChar, modifierFlags, keyCode};
!             int[] out = new int[2]; // [jkeyCode, jkeyLocation]
  
              postsTyped = NSEvent.nsToJavaKeyInfo(in, out);
              if (!postsTyped) {
                  testChar = KeyEvent.CHAR_UNDEFINED;
              }
  
              jkeyCode = out[0];
              jkeyLocation = out[1];
              jeventType = isNpapiCallback ? NSEvent.npToJavaEventType(eventType) :
                                             NSEvent.nsToJavaEventType(eventType);
          }
--- 148,169 ----
          } else {
              if (chars != null && chars.length() > 0) {
                  testChar = chars.charAt(0);
              }
  
!             int[] in = new int[] {testChar, isDeadChar ? 1 : 0, modifierFlags, keyCode};
!             int[] out = new int[3]; // [jkeyCode, jkeyLocation, deadChar]
  
              postsTyped = NSEvent.nsToJavaKeyInfo(in, out);
              if (!postsTyped) {
                  testChar = KeyEvent.CHAR_UNDEFINED;
              }
              
+             if(isDeadChar){
+                 testChar = (char) out[2];
+             }
+ 
              jkeyCode = out[0];
              jkeyLocation = out[1];
              jeventType = isNpapiCallback ? NSEvent.npToJavaEventType(eventType) :
                                             NSEvent.nsToJavaEventType(eventType);
          }