1 /*
   2  * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include "awt_MouseEvent.h"
  27 #include "awt.h"
  28 
  29 /************************************************************************
  30  * AwtMouseEvent fields
  31  */
  32 
  33 jfieldID AwtMouseEvent::xID;
  34 jfieldID AwtMouseEvent::yID;
  35 jfieldID AwtMouseEvent::buttonID;
  36 
  37 /************************************************************************
  38  * AwtMouseEvent native methods
  39  */
  40 
  41 extern "C" {
  42 
  43 JNIEXPORT void JNICALL
  44 Java_java_awt_event_MouseEvent_initIDs(JNIEnv *env, jclass cls) {
  45     TRY;
  46 
  47     AwtMouseEvent::xID = env->GetFieldID(cls, "x", "I");
  48     DASSERT(AwtMouseEvent::xID != NULL);
  49     CHECK_NULL(AwtMouseEvent::xID);
  50 
  51     AwtMouseEvent::yID = env->GetFieldID(cls, "y", "I");
  52     DASSERT(AwtMouseEvent::yID != NULL);
  53     CHECK_NULL(AwtMouseEvent::yID);
  54 
  55     AwtMouseEvent::buttonID = env->GetFieldID(cls, "button", "I");
  56     DASSERT(AwtMouseEvent::buttonID != NULL);
  57     CHECK_NULL(AwtMouseEvent::buttonID);
  58 
  59     CATCH_BAD_ALLOC;
  60 }
  61 
  62 } /* extern "C" */