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Java example source code file (XlibWrapper.c)

This example Java source code file (XlibWrapper.c) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

atom, awt_check_have_lock, bool, display, jni_false, jni_true, jnicall, jnienv, jniexport, jnu_getstringplatformchars, jnu_isnull, jnu_releasestringplatformchars, null, window

The XlibWrapper.c Java example source code

/*
 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

#include "sun_awt_X11_XlibWrapper.h"
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <X11/Xatom.h>
#include <X11/extensions/Xdbe.h>
#include <X11/extensions/shape.h>
#include <string.h>
#include <stdlib.h>
#include <X11/Sunkeysym.h>

#include <jni.h>
#include <jni_util.h>
#include <jlong.h>
#include <sizecalc.h>

#include <awt.h>
#include <awt_util.h>
#include <jvm.h>

#include <Region.h>
#include "utility/rect.h"

#include <X11/XKBlib.h>
#if defined(DEBUG) || defined(INTERNAL_BUILD)
static jmethodID lockIsHeldMID = NULL;

static void
CheckHaveAWTLock(JNIEnv *env)
{
    if (lockIsHeldMID == NULL) {
        if (tkClass == NULL) return;
        lockIsHeldMID =
            (*env)->GetStaticMethodID(env, tkClass,
                                      "isAWTLockHeldByCurrentThread", "()Z");
    }
    if (!(*env)->CallStaticBooleanMethod(env, tkClass, lockIsHeldMID)) {
        JNU_ThrowInternalError(env, "Current thread does not hold AWT_LOCK!");
    }
}

#define AWT_CHECK_HAVE_LOCK() CheckHaveAWTLock(env)
#else
#define AWT_CHECK_HAVE_LOCK()
#endif


/*
 * Class:     XlibWrapper
 * Method:    XOpenDisplay
 * Signature: (J)J
 */

JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_XOpenDisplay
(JNIEnv *env, jclass clazz, jlong display_name)
{
    Display *dp;
    AWT_CHECK_HAVE_LOCK();
    dp  =  XOpenDisplay((char *) jlong_to_ptr(display_name));

    return ptr_to_jlong(dp);
}

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XCloseDisplay(JNIEnv *env, jclass clazz,
                       jlong display) {
    AWT_CHECK_HAVE_LOCK();
    XCloseDisplay((Display*) jlong_to_ptr(display));
}

JNIEXPORT jlong JNICALL
Java_sun_awt_X11_XlibWrapper_XDisplayString(JNIEnv *env, jclass clazz,
                        jlong display) {
    AWT_CHECK_HAVE_LOCK();
    return ptr_to_jlong(XDisplayString((Display*) jlong_to_ptr(display)));
}

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XSetCloseDownMode(JNIEnv *env, jclass clazz,
                           jlong display, jint mode) {
    AWT_CHECK_HAVE_LOCK();
    XSetCloseDownMode((Display*) jlong_to_ptr(display), (int)mode);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    DefaultScreen
 * Signature: (J)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_DefaultScreen (JNIEnv *env, jclass clazz, jlong display) {

    AWT_CHECK_HAVE_LOCK();
    return (jlong) DefaultScreen((Display *) jlong_to_ptr(display));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    ScreenOfDisplay
 * Signature: (JJ)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_ScreenOfDisplay(JNIEnv *env, jclass clazz, jlong display, jlong screen_number) {
    AWT_CHECK_HAVE_LOCK();
    return ptr_to_jlong(ScreenOfDisplay((Display *) jlong_to_ptr(display),
                                        screen_number));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    DoesBackingStore
 * Signature: (J)I
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_DoesBackingStore(JNIEnv *env, jclass clazz, jlong screen) {
    AWT_CHECK_HAVE_LOCK();
    return (jint) DoesBackingStore((Screen*) jlong_to_ptr(screen));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    DisplayWidth
 * Signature: (JJ)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_DisplayWidth
(JNIEnv *env, jclass clazz, jlong display, jlong screen) {

    AWT_CHECK_HAVE_LOCK();
    return (jlong) DisplayWidth((Display *) jlong_to_ptr(display),screen);

}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    DisplayWidthMM
 * Signature: (JJ)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_DisplayWidthMM
(JNIEnv *env, jclass clazz, jlong display, jlong screen) {
    AWT_CHECK_HAVE_LOCK();
    return (jlong) DisplayWidthMM((Display *) jlong_to_ptr(display),screen);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    DisplayHeight
 * Signature: (JJ)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_DisplayHeight
(JNIEnv *env, jclass clazz, jlong display, jlong screen) {

    AWT_CHECK_HAVE_LOCK();
    return (jlong) DisplayHeight((Display *) jlong_to_ptr(display),screen);
}
/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    DisplayHeightMM
 * Signature: (JJ)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_DisplayHeightMM
(JNIEnv *env, jclass clazz, jlong display, jlong screen) {
    AWT_CHECK_HAVE_LOCK();
    return (jlong) DisplayHeightMM((Display *) jlong_to_ptr(display),screen);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    RootWindow
 * Signature: (JJ)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_RootWindow
(JNIEnv *env , jclass clazz, jlong display, jlong screen_number) {
    AWT_CHECK_HAVE_LOCK();
    return (jlong) RootWindow((Display *) jlong_to_ptr(display), screen_number);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    ScreenCount
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_ScreenCount
(JNIEnv *env , jclass clazz, jlong display) {
    AWT_CHECK_HAVE_LOCK();
    return ScreenCount((Display *) jlong_to_ptr(display));
}


/*
 * Class:     XlibWrapper
 * Method:    XCreateWindow
 * Signature: (JJIIIIIIJJJJ)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_XCreateWindow
  (JNIEnv *env, jclass clazz, jlong display, jlong window,
   jint x, jint y, jint w, jint h , jint border_width, jint depth,
   jlong wclass, jlong visual, jlong valuemask, jlong attributes)
{
    AWT_CHECK_HAVE_LOCK();
    return  XCreateWindow((Display *) jlong_to_ptr(display),(Window) window, x, y, w, h,
              border_width, depth, wclass, (Visual *) jlong_to_ptr(visual),
              valuemask, (XSetWindowAttributes *) jlong_to_ptr(attributes));

}

/*
 * Class:     XlibWrapper
 * Method:    XConvertCase
 * Signature: (JJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XConvertCase
  (JNIEnv *env, jclass clazz, jlong keysym,
   jlong keysym_lowercase, jlong keysym_uppercase)
{
    AWT_CHECK_HAVE_LOCK();
    XConvertCase(keysym, (jlong_to_ptr(keysym_lowercase)),
                         (jlong_to_ptr(keysym_uppercase)));
}


/*
 * Class:     XlibWrapper
 * Method:    XMapWindow
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XMapWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window)
{
    AWT_CHECK_HAVE_LOCK();
    XMapWindow( (Display *)jlong_to_ptr(display),(Window) window);

}

/*
 * Class:     XlibWrapper
 * Method:    XMapRaised
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XMapRaised
(JNIEnv *env, jclass clazz, jlong display, jlong window)
{
    AWT_CHECK_HAVE_LOCK();
    XMapRaised( (Display *)jlong_to_ptr(display),(Window) window);

}

/*
 * Class:     XlibWrapper
 * Method:    XRaiseWindow
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XRaiseWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window)
{

    AWT_CHECK_HAVE_LOCK();
    XRaiseWindow( (Display *)jlong_to_ptr(display),(Window) window);

}

/*
 * Class:     XlibWrapper
 * Method:    XLowerWindow
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XLowerWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window)
{

    AWT_CHECK_HAVE_LOCK();
    XLowerWindow( (Display *)jlong_to_ptr(display),(Window) window);

}

/*
 * Class:     XlibWrapper
 * Method:    XRestackWindows
 * Signature: (JJI)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XRestackWindows
(JNIEnv *env, jclass clazz, jlong display, jlong windows, jint length)
{

    AWT_CHECK_HAVE_LOCK();
    XRestackWindows( (Display *) jlong_to_ptr(display), (Window *) jlong_to_ptr(windows), length);

}

/*
 * Class:     XlibWrapper
 * Method:    XConfigureWindow
 * Signature: (JJJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XConfigureWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong value_mask,
 jlong values)
{
    AWT_CHECK_HAVE_LOCK();
    XConfigureWindow((Display*)jlong_to_ptr(display), (Window)window,
            (unsigned int)value_mask, (XWindowChanges*)jlong_to_ptr(values));
}

/*
 * Class:     XlibWrapper
 * Method:    XSetInputFocus
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XSetInputFocus
(JNIEnv *env, jclass clazz, jlong display, jlong window)
{

    AWT_CHECK_HAVE_LOCK();
    XSetInputFocus( (Display *)jlong_to_ptr(display),(Window) window, RevertToPointerRoot, CurrentTime);

}
/*
 * Class:     XlibWrapper
 * Method:    XSetInputFocus2
 * Signature: (JJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XSetInputFocus2
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong time)
{

    AWT_CHECK_HAVE_LOCK();
    XSetInputFocus( (Display *)jlong_to_ptr(display),(Window) window, RevertToPointerRoot, time);

}

/*
 * Class:     XlibWrapper
 * Method:    XGetInputFocus
 * Signature: (JJ)V
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_XGetInputFocus
(JNIEnv *env, jclass clazz, jlong display)
{

    Window focusOwner;
    int revert_to;
    AWT_CHECK_HAVE_LOCK();
    XGetInputFocus( (Display *)jlong_to_ptr(display), &focusOwner, &revert_to);
    return focusOwner;
}


/*
 * Class:     XlibWrapper
 * Method:    XDestroyWindow
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XDestroyWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window)
{
    AWT_CHECK_HAVE_LOCK();
    XDestroyWindow( (Display *)jlong_to_ptr(display),(Window) window);
}

JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XGrabPointer
(JNIEnv *env, jclass clazz, jlong display, jlong window,
 jint owner_events, jint event_mask, jint pointer_mode,
 jint keyboard_mode, jlong confine_to, jlong cursor, jlong time)
{
    AWT_CHECK_HAVE_LOCK();
    return XGrabPointer( (Display *)jlong_to_ptr(display), (Window) window,
             (Bool) owner_events, (unsigned int) event_mask, (int) pointer_mode,
             (int) keyboard_mode, (Window) confine_to, (Cursor) cursor, (Time) time);
}

JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XUngrabPointer
(JNIEnv *env, jclass clazz, jlong display, jlong time)
{
    AWT_CHECK_HAVE_LOCK();
    XUngrabPointer( (Display *)jlong_to_ptr(display), (Time) time);
}

JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XGrabKeyboard
(JNIEnv *env, jclass clazz, jlong display, jlong window,
 jint owner_events, jint pointer_mode,
 jint keyboard_mode, jlong time)
{
    AWT_CHECK_HAVE_LOCK();
    return XGrabKeyboard( (Display *)jlong_to_ptr(display), (Window) window,
              (Bool) owner_events, (int) pointer_mode,
              (int) keyboard_mode, (Time) time);
}

JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XUngrabKeyboard
(JNIEnv *env, jclass clazz, jlong display, jlong time)
{
    AWT_CHECK_HAVE_LOCK();
    XUngrabKeyboard( (Display *)jlong_to_ptr(display), (Time) time);
}

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XGrabServer(JNIEnv *env, jclass clazz,
                                         jlong display) {
     AWT_CHECK_HAVE_LOCK();
     XGrabServer((Display*)jlong_to_ptr(display));
}

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XUngrabServer(JNIEnv *env, jclass clazz,
                                           jlong display) {
     AWT_CHECK_HAVE_LOCK();
     XUngrabServer((Display*)jlong_to_ptr(display));
     /* Workaround for bug 5039226 */
     XSync((Display*)jlong_to_ptr(display), False);
}

/*
 * Class:     XlibWrapper
 * Method:    XUnmapWindow
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XUnmapWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window)
{

    AWT_CHECK_HAVE_LOCK();
    XUnmapWindow( (Display *)jlong_to_ptr(display),(Window) window);

}



JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XSelectInput
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong mask)
{
    AWT_CHECK_HAVE_LOCK();
    XSelectInput((Display *) jlong_to_ptr(display), (Window) window, mask);
}

JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XkbSelectEvents
(JNIEnv *env, jclass clazz, jlong display, jlong device, jlong bits_to_change, jlong values_for_bits)
{
    AWT_CHECK_HAVE_LOCK();
    XkbSelectEvents((Display *) jlong_to_ptr(display), (unsigned int)device,
                   (unsigned long)bits_to_change,
                   (unsigned long)values_for_bits);
}
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XkbSelectEventDetails
(JNIEnv *env, jclass clazz, jlong display, jlong device, jlong event_type, jlong bits_to_change, jlong values_for_bits)
{
    AWT_CHECK_HAVE_LOCK();
    XkbSelectEventDetails((Display *) jlong_to_ptr(display), (unsigned int)device,
                   (unsigned int) event_type,
                   (unsigned long)bits_to_change,
                   (unsigned long)values_for_bits);
}
JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_XkbQueryExtension
(JNIEnv *env, jclass clazz, jlong display, jlong opcode_rtrn, jlong event_rtrn,
              jlong error_rtrn, jlong major_in_out, jlong minor_in_out)
{
    AWT_CHECK_HAVE_LOCK();
    return XkbQueryExtension( (Display *) jlong_to_ptr(display),
                       (int *) jlong_to_ptr(opcode_rtrn),
                       (int *) jlong_to_ptr(event_rtrn),
                       (int *) jlong_to_ptr(error_rtrn),
                       (int *) jlong_to_ptr(major_in_out),
                       (int *) jlong_to_ptr(minor_in_out));
}
JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_XkbLibraryVersion
(JNIEnv *env, jclass clazz, jlong lib_major_in_out, jlong lib_minor_in_out)
{
    AWT_CHECK_HAVE_LOCK();
    *((int *)jlong_to_ptr(lib_major_in_out)) =  XkbMajorVersion;
    *((int *)jlong_to_ptr(lib_minor_in_out)) =  XkbMinorVersion;
    return  XkbLibraryVersion((int *)jlong_to_ptr(lib_major_in_out), (int *)jlong_to_ptr(lib_minor_in_out));
}

JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_XkbGetMap
(JNIEnv *env, jclass clazz, jlong display, jlong which, jlong device_spec)
{
    AWT_CHECK_HAVE_LOCK();
    return (jlong) XkbGetMap( (Display *) jlong_to_ptr(display),
                              (unsigned int) which,
                              (unsigned int) device_spec);
}
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_XkbGetUpdatedMap
(JNIEnv *env, jclass clazz, jlong display, jlong which, jlong xkb)
{
    AWT_CHECK_HAVE_LOCK();
    return (jlong) XkbGetUpdatedMap( (Display *) jlong_to_ptr(display),
                              (unsigned int) which,
                              (XkbDescPtr) jlong_to_ptr(xkb));
}
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XkbFreeKeyboard
(JNIEnv *env, jclass clazz, jlong xkb, jlong which, jboolean free_all)
{
    AWT_CHECK_HAVE_LOCK();
    XkbFreeKeyboard(jlong_to_ptr(xkb), (unsigned int)which, free_all);
}
JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_XkbTranslateKeyCode
(JNIEnv *env, jclass clazz, jlong xkb, jint keycode, jlong mods, jlong mods_rtrn, jlong keysym_rtrn)
{
    Bool b;
    b = XkbTranslateKeyCode((XkbDescPtr)xkb, (unsigned int)keycode, (unsigned int)mods,
                              (unsigned int *)jlong_to_ptr(mods_rtrn),
                               (KeySym *)jlong_to_ptr(keysym_rtrn));
    //printf("native,  input: keycode:0x%0X; mods:0x%0X\n", keycode, mods);
    //printf("native, output:  keysym:0x%0X; mods:0x%0X\n", *(unsigned int *)jlong_to_ptr(keysym_rtrn), *(unsigned int *)jlong_to_ptr(mods_rtrn));
    return b;
}
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XkbSetDetectableAutoRepeat
(JNIEnv *env, jclass clazz, jlong display, jboolean detectable)
{
    AWT_CHECK_HAVE_LOCK();
    XkbSetDetectableAutoRepeat((Display *) jlong_to_ptr(display), detectable, NULL);
}
/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XNextEvent
 * Signature: (JJ)V
 */


JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XNextEvent
(JNIEnv *env, jclass clazz, jlong display, jlong ptr)
{
    AWT_CHECK_HAVE_LOCK();
    XNextEvent( (Display *) jlong_to_ptr(display), jlong_to_ptr(ptr));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XMaskEvent
 * Signature: (JJJ)V
 */

JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XMaskEvent
  (JNIEnv *env, jclass clazz, jlong display, jlong event_mask, jlong event_return)
{
    AWT_CHECK_HAVE_LOCK();
    XMaskEvent( (Display *) jlong_to_ptr(display), event_mask, (XEvent *) jlong_to_ptr(event_return));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XWindowEvent
 * Signature: (JJJJ)V
 */

JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XWindowEvent
  (JNIEnv *env, jclass clazz, jlong display, jlong window, jlong event_mask, jlong event_return)
{
    AWT_CHECK_HAVE_LOCK();
    XWindowEvent( (Display *) jlong_to_ptr(display), (Window)window, event_mask, (XEvent *) jlong_to_ptr(event_return));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XFilterEvent
 * Signature: (JJ)Z
 */
JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_XFilterEvent
(JNIEnv *env, jclass clazz, jlong ptr, jlong window)
{
    AWT_CHECK_HAVE_LOCK();
    return (jboolean) XFilterEvent((XEvent *) jlong_to_ptr(ptr), (Window) window);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XSupportsLocale
 * Signature: ()Z
 */
JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_XSupportsLocale
(JNIEnv *env, jclass clazz)
{
    AWT_CHECK_HAVE_LOCK();
    return (jboolean)XSupportsLocale();
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XSetLocaleModifiers
 * Signature: (Ljava/lang/String;)Ljava/lang/String;
 */
JNIEXPORT jstring JNICALL Java_sun_awt_X11_XlibWrapper_XSetLocaleModifiers
(JNIEnv *env, jclass clazz, jstring jstr)
{
    char * modifier_list = NULL;
    char * ret = NULL;

    if (!JNU_IsNull(env, jstr)) {
        modifier_list = (char *)JNU_GetStringPlatformChars(env, jstr, NULL);
    }

    AWT_CHECK_HAVE_LOCK();
    if (modifier_list) {
        ret = XSetLocaleModifiers(modifier_list);
        JNU_ReleaseStringPlatformChars(env, jstr, (const char *) modifier_list);
    } else {
        ret = XSetLocaleModifiers("");
    }

    return (ret != NULL ? JNU_NewStringPlatform(env, ret): NULL);
}


/*
 * Class:     sun_awt_X11_wrappers_XlibWrapper
 * Method:    XPeekEvent
 * Signature: (JJ)V
 */


JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XPeekEvent
(JNIEnv *env, jclass clazz, jlong display, jlong ptr)
{
    AWT_CHECK_HAVE_LOCK();
    XPeekEvent((Display *) jlong_to_ptr(display),jlong_to_ptr(ptr));
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XMoveResizeWindow
 * Signature: (JJIIII)V
 */

JNIEXPORT void JNICALL  Java_sun_awt_X11_XlibWrapper_XMoveResizeWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window, jint x , jint y , jint width, jint height) {

    AWT_CHECK_HAVE_LOCK();
    XMoveResizeWindow( (Display *) jlong_to_ptr(display), (Window) window, x, y, width, height);

}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XResizeWindow
 * Signature: (JJII)V
 */

JNIEXPORT void JNICALL  Java_sun_awt_X11_XlibWrapper_XResizeWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window, jint width, jint height)
{
    AWT_CHECK_HAVE_LOCK();
    XResizeWindow( (Display *) jlong_to_ptr(display),(Window) window,width,height);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XMoveWindow
 * Signature: (JJII)V
 */

JNIEXPORT void JNICALL  Java_sun_awt_X11_XlibWrapper_XMoveWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window, jint width, jint height)
{
    AWT_CHECK_HAVE_LOCK();
    XMoveWindow( (Display *) jlong_to_ptr(display),(Window) window,width,height);
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XSetWindowBackground
 * Signature: (JJJ)V
 */

JNIEXPORT void JNICALL  Java_sun_awt_X11_XlibWrapper_XSetWindowBackground
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong background_pixel) {

    AWT_CHECK_HAVE_LOCK();
    XSetWindowBackground((Display *) jlong_to_ptr(display),window,background_pixel);

}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XFlush
 * Signature: (J)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XFlush
(JNIEnv *env, jclass clazz, jlong display) {

    AWT_CHECK_HAVE_LOCK();
    XFlush((Display *)jlong_to_ptr(display));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XSync
 * Signature: (JI)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XSync
(JNIEnv *env, jclass clazz, jlong display, jint discard) {

    AWT_CHECK_HAVE_LOCK();
    XSync((Display *) jlong_to_ptr(display), discard);

}

JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XTranslateCoordinates
(JNIEnv *env, jclass clazz, jlong display, jlong src_w, jlong dest_w,
 jlong src_x, jlong src_y, jlong dest_x_return, jlong dest_y_return,
 jlong child_return)
{
    AWT_CHECK_HAVE_LOCK();
    return XTranslateCoordinates( (Display *) jlong_to_ptr(display), src_w, dest_w,
                  src_x, src_y,
                  (int *) jlong_to_ptr(dest_x_return),
                  (int *) jlong_to_ptr(dest_y_return),
                  (Window *) jlong_to_ptr(child_return));
}

JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XEventsQueued
(JNIEnv *env, jclass clazz, jlong display, jint mode) {

    AWT_CHECK_HAVE_LOCK();
    return XEventsQueued((Display *) jlong_to_ptr(display), mode);

}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    SetProperty
 * Signature: (JJJLjava/lang/String;)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_SetProperty
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong atom, jstring jstr) {
    char *cname;
    XTextProperty tp;
    int32_t status;

    /*
       In case there are direct support of UTF-8 declared, use UTF-8 strings.
    */
    if (!JNU_IsNull(env, jstr)) {
#ifdef X_HAVE_UTF8_STRING
        cname = (char *) (*env)->GetStringUTFChars(env, jstr, JNI_FALSE);
#else
        cname = (char *) JNU_GetStringPlatformChars(env, jstr, NULL);
#endif
    } else {
        cname = "";
    }


    AWT_CHECK_HAVE_LOCK();

#ifdef X_HAVE_UTF8_STRING
    status = Xutf8TextListToTextProperty((Display *)jlong_to_ptr(display), &cname, 1,
                                       XStdICCTextStyle, &tp);
#else
    status = XmbTextListToTextProperty((Display *)jlong_to_ptr(display), &cname, 1,
                                       XStdICCTextStyle, &tp);
#endif


    if (status == Success || status > 0) {
        XChangeProperty((Display *)jlong_to_ptr(display), window, atom, tp.encoding, tp.format, PropModeReplace, tp.value, tp.nitems);
        if (tp.value != NULL) {
            XFree(tp.value);
        }
    }

    if (!JNU_IsNull(env, jstr)) {
#ifdef X_HAVE_UTF8_STRING
        (*env)->ReleaseStringUTFChars(env, jstr, (const char *) cname);
#else
        JNU_ReleaseStringPlatformChars(env, jstr, (const char *) cname);
#endif
    }
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XChangeProperty
 * Signature: (JJJJJJJJJJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XChangePropertyImpl(
    JNIEnv *env, jclass clazz, jlong display, jlong window, jlong property,
    jlong type, jint format, jint mode, jlong data, jint nelements)
{
    AWT_CHECK_HAVE_LOCK();
    XChangeProperty((Display*) jlong_to_ptr(display), (Window) window, (Atom) property,
            (Atom) type, format, mode, (unsigned char*) jlong_to_ptr(data),
            nelements);
}
/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XChangePropertyS
 * Signature: (JJJJJJJJJLjava/lang/String;)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XChangePropertyS(
    JNIEnv *env, jclass clazz, jlong display, jlong window, jlong property,
    jlong type, jint format, jint mode, jstring value)
{
    jboolean iscopy;
    const char * chars = JNU_GetStringPlatformChars(env, value, &iscopy);
    AWT_CHECK_HAVE_LOCK();
    XChangeProperty((Display*)jlong_to_ptr(display), window, (Atom)property,
                    (Atom)type, format, mode, (unsigned char*)chars, strlen(chars));
    if (iscopy) {
        JNU_ReleaseStringPlatformChars(env, value, chars);
    }
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XGetWindowProperty
 * Signature: (JJJJJJJJJJJ)J;
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XGetWindowProperty
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong property, jlong long_offset,
 jlong long_length, jlong delete, jlong req_type, jlong actual_type,
 jlong actual_format, jlong nitems_ptr, jlong bytes_after, jlong data_ptr)
{
    AWT_CHECK_HAVE_LOCK();
    return XGetWindowProperty((Display*) jlong_to_ptr(display), window, property, long_offset, long_length,
                  delete, (Atom) req_type, (Atom*) jlong_to_ptr(actual_type),
                  (int *) jlong_to_ptr(actual_format), (unsigned long *) jlong_to_ptr(nitems_ptr),
                  (unsigned long*) jlong_to_ptr(bytes_after), (unsigned char**) jlong_to_ptr(data_ptr));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    GetProperty
 * Signature: (JJJ)Ljava/lang/String;
 */
JNIEXPORT jstring JNICALL Java_sun_awt_X11_XlibWrapper_GetProperty
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong atom)
{
    /* Request status */
    int status;

    /* Returns of XGetWindowProperty */
    Atom actual_type;
    int actual_format;
    unsigned long nitems;
    unsigned long bytes_after;
    unsigned char * string;
    jstring res;
    AWT_CHECK_HAVE_LOCK();
    status = XGetWindowProperty((Display*)jlong_to_ptr(display), window,
                                atom, 0, 0xFFFF, False, XA_STRING,
                                &actual_type, &actual_format, &nitems, &bytes_after,
                                &string);
    if (status != Success || string == NULL) {
    return NULL;
    }

    if (actual_type != XA_STRING || actual_format != 8) {
    XFree(string);
    return NULL;
    }

    // Memory leak???
    return JNU_NewStringPlatform(env,(char*) string);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    InternAtom
 * Signature: (JLjava/lang/String;I)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_InternAtom
(JNIEnv *env, jclass clazz, jlong display, jstring jstr, jint ife) {

    char *cname;
    unsigned long atom;

    if (!JNU_IsNull(env, jstr)) {
        cname = (char *)JNU_GetStringPlatformChars(env, jstr, NULL);
    } else {
        cname = "";
    }

    AWT_CHECK_HAVE_LOCK();
    atom = XInternAtom((Display *) jlong_to_ptr(display), cname, ife);

    if (!JNU_IsNull(env, jstr)) {
        JNU_ReleaseStringPlatformChars(env, jstr, (const char *) cname);
    }

    return (jlong) atom;

}

JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XCreateFontCursor
(JNIEnv *env, jclass clazz, jlong display, jint shape) {
    AWT_CHECK_HAVE_LOCK();
    return XCreateFontCursor((Display *) jlong_to_ptr(display), (int) shape);
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XCreatePixmapCursor
 * Signature: (JJJJJII)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_XCreatePixmapCursor
(JNIEnv *env , jclass clazz, jlong display, jlong source, jlong mask, jlong fore, jlong back, jint x , jint y) {

    AWT_CHECK_HAVE_LOCK();
    return (jlong) XCreatePixmapCursor((Display *) jlong_to_ptr(display), (Pixmap) source, (Pixmap) mask,
                                       (XColor *) jlong_to_ptr(fore), (XColor *) jlong_to_ptr(back), x, y);
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XQueryBestCursor
 * Signature: (JJIIJJ)Z
 */
JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_XQueryBestCursor
(JNIEnv *env, jclass clazz, jlong display, jlong drawable, jint width, jint height, jlong width_return, jlong height_return) {

    Status status;

    AWT_CHECK_HAVE_LOCK();
    status  =  XQueryBestCursor((Display *) jlong_to_ptr(display), (Drawable) drawable, width,height,
                                (unsigned int *) jlong_to_ptr(width_return), (unsigned int *) jlong_to_ptr(height_return));

    if (status == 0) return JNI_FALSE;
    else return JNI_TRUE;
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XFreeCursor
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XFreeCursor
(JNIEnv *env, jclass clazz, jlong display, jlong cursor) {

    AWT_CHECK_HAVE_LOCK();
    XFreeCursor( (Display *) jlong_to_ptr(display), (Cursor) cursor);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XQueryPointer
 * Signature: (JJJJJJJJJ)Z
 */
JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_XQueryPointer
(JNIEnv *env, jclass clazz, jlong display, jlong w, jlong root_return, jlong child_return, jlong root_x_return , jlong root_y_return, jlong win_x_return, jlong win_y_return, jlong mask_return) {

    Bool b;

    AWT_CHECK_HAVE_LOCK();
    b = XQueryPointer((Display *) jlong_to_ptr(display),
                      (Window) w, (Window *) jlong_to_ptr(root_return), (Window *) jlong_to_ptr(child_return),
                      (int *) jlong_to_ptr(root_x_return), (int *) jlong_to_ptr(root_y_return),
                      (int *) jlong_to_ptr(win_x_return), (int *) jlong_to_ptr(win_y_return),
                      (unsigned int *) jlong_to_ptr(mask_return));
    if (b == True) return JNI_TRUE;
    else return JNI_FALSE;

}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XChangeWindowAttributes
 * Signature: (JJJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XChangeWindowAttributes
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong valuemask, jlong attributes) {

    AWT_CHECK_HAVE_LOCK();
    XChangeWindowAttributes((Display *) jlong_to_ptr(display), (Window) window, (unsigned long) valuemask,
                            (XSetWindowAttributes *) jlong_to_ptr(attributes));
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XSetTransientFor
 * Signature: (JJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XSetTransientFor
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong transient_for_window)
{
    AWT_CHECK_HAVE_LOCK();
    XSetTransientForHint((Display *) jlong_to_ptr(display), window, transient_for_window);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XSetWMHints
 * Signature: (JJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XSetWMHints
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong hints)
{
    AWT_CHECK_HAVE_LOCK();
    XSetWMHints((Display *) jlong_to_ptr(display), window, (XWMHints *) jlong_to_ptr(hints));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XGetWMHints
 * Signature: (JJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XGetWMHints
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong hints)
{
    XWMHints * get_hints;
    AWT_CHECK_HAVE_LOCK();
    get_hints = XGetWMHints((Display*)jlong_to_ptr(display), window);
    if (get_hints != NULL) {
        memcpy(jlong_to_ptr(hints), get_hints, sizeof(XWMHints));
        XFree(get_hints);
    } else {
        memset(jlong_to_ptr(hints), 0, sizeof(XWMHints));
    }
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XGetPointerMapping
 * Signature: (JJI)I
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XGetPointerMapping
(JNIEnv *env, jclass clazz, jlong display, jlong map, jint buttonNumber)
{
    AWT_CHECK_HAVE_LOCK();
    return XGetPointerMapping((Display*)jlong_to_ptr(display), (unsigned char*) jlong_to_ptr(map), buttonNumber);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XGetDefault
 * Signature: (JJI)I
 */
JNIEXPORT jstring JNICALL Java_sun_awt_X11_XlibWrapper_XGetDefault
(JNIEnv *env, jclass clazz, jlong display, jstring program, jstring option)
{
    char * c_program = NULL;
    char * c_option = NULL;
    char * c_res = NULL;

    if (!JNU_IsNull(env, program)) {
        c_program = (char *)JNU_GetStringPlatformChars(env, program, NULL);
    }
    if (!JNU_IsNull(env, option)) {
        c_option = (char *)JNU_GetStringPlatformChars(env, option, NULL);
    }

    if (c_program == NULL || c_option == NULL) {
        if (!JNU_IsNull(env, program)) {
            JNU_ReleaseStringPlatformChars(env, program, (const char *) c_program);
        }
        if (!JNU_IsNull(env, option)) {
            JNU_ReleaseStringPlatformChars(env, option, (const char *) c_option);
        }
        return NULL;
    }
    AWT_CHECK_HAVE_LOCK();
    c_res = XGetDefault((Display*)jlong_to_ptr(display), c_program, c_option);

    if (!JNU_IsNull(env, program)) {
        JNU_ReleaseStringPlatformChars(env, program, (const char *) c_program);
    }
    if (!JNU_IsNull(env, option)) {
        JNU_ReleaseStringPlatformChars(env, option, (const char *) c_option);
    }

    if (c_res != NULL) {
        // Memory leak???
        return JNU_NewStringPlatform(env, c_res);
    } else {
        return NULL;
    }
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    getScreenOfWindow
 * Signature: (JJ)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_getScreenOfWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window)
{
    XWindowAttributes attrs;
    memset(&attrs, 0, sizeof(attrs));
    AWT_CHECK_HAVE_LOCK();
    XGetWindowAttributes((Display *) jlong_to_ptr(display), window, &attrs);
    return ptr_to_jlong(attrs.screen);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XScreenNumberOfScreen
 * Signature: (J)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_XScreenNumberOfScreen
(JNIEnv *env, jclass clazz, jlong screen)
{
    AWT_CHECK_HAVE_LOCK();
    if(jlong_to_ptr(screen) == NULL) {
        return -1;
    }
    return XScreenNumberOfScreen((Screen*) jlong_to_ptr(screen));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XIconifyWindow
 * Signature: (JJJ)V
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XIconifyWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong screenNumber)
{
    AWT_CHECK_HAVE_LOCK();
    return XIconifyWindow((Display*) jlong_to_ptr(display), window, screenNumber);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XFree
 * Signature: (J)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XFree
(JNIEnv *env, jclass clazz, jlong ptr)
{
    AWT_CHECK_HAVE_LOCK();
    XFree(jlong_to_ptr(ptr));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XFree
 * Signature: (J)V
 */
JNIEXPORT jbyteArray JNICALL Java_sun_awt_X11_XlibWrapper_getStringBytes
(JNIEnv *env, jclass clazz, jlong str_ptr)
{
    unsigned char * str = (unsigned char*) jlong_to_ptr(str_ptr);
    long length = strlen((char*)str);
    jbyteArray res = (*env)->NewByteArray(env, length);
    void * storage = malloc(length+1);
    memcpy(storage, str, length+1);
    (*env)->SetByteArrayRegion(env, res, 0, length,
                   (const signed char*) storage);
    return res;
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    ServerVendor
 * Signature: (J)Ljava/lang/String;
 */
JNIEXPORT jstring JNICALL Java_sun_awt_X11_XlibWrapper_ServerVendor
(JNIEnv *env, jclass clazz, jlong display)
{
    AWT_CHECK_HAVE_LOCK();
    return JNU_NewStringPlatform(env, ServerVendor((Display*)jlong_to_ptr(display)));
}
/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    VendorRelease
 * Signature: (J)I;
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_VendorRelease
(JNIEnv *env, jclass clazz, jlong display)
{
    AWT_CHECK_HAVE_LOCK();
    return VendorRelease((Display*)jlong_to_ptr(display));
}
/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    IsXsunKPBehavior
 * Signature: (J)Z;
 */
JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_IsXsunKPBehavior
(JNIEnv *env, jclass clazz, jlong display)
{
    // Xsun without XKB uses keysymarray[2] keysym to determine if it is KP event.
    // Otherwise, it is [1] or sometimes [0].
    // This sniffer first tries to determine what is a keycode for XK_KP_7
    // using XKeysymToKeycode;
    // second, in which place in the keysymarray is XK_KP_7
    // using XKeycodeToKeysym.
    int kc7;
    AWT_CHECK_HAVE_LOCK();
    kc7 = XKeysymToKeycode((Display*)jlong_to_ptr(display), XK_KP_7);
    if( !kc7 ) {
        // keycode is not defined. Why, it's a reduced keyboard perhaps:
        // report arbitrarily false.
        return JNI_FALSE;
    } else {
        long ks2 = XKeycodeToKeysym((Display*)jlong_to_ptr(display), kc7, 2);
        if( ks2 == XK_KP_7 ) {
            //XXX If some Xorg server would put XK_KP_7 in keysymarray[2] as well,
            //XXX for yet unknown to me reason, the sniffer would lie.
            return JNI_TRUE;
        }else{
            return JNI_FALSE;
        }
    }
}


JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_IsSunKeyboard
(JNIEnv *env, jclass clazz, jlong display)
{
    int xx;
    AWT_CHECK_HAVE_LOCK();
    xx = XKeysymToKeycode((Display*)jlong_to_ptr(display), SunXK_F37);
    return (!xx) ? JNI_FALSE : JNI_TRUE;
}

JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_IsKanaKeyboard
(JNIEnv *env, jclass clazz, jlong display)
{
    int xx;
    static jboolean result = JNI_FALSE;

    int32_t minKeyCode, maxKeyCode, keySymsPerKeyCode;
    KeySym *keySyms, *keySymsStart, keySym;
    int32_t i;
    int32_t kanaCount = 0;

    AWT_CHECK_HAVE_LOCK();

    // There's no direct way to determine whether the keyboard has
    // a kana lock key. From available keyboard mapping tables, it looks
    // like only keyboards with the kana lock key can produce keysyms
    // for kana characters. So, as an indirect test, we check for those.
    XDisplayKeycodes((Display*)jlong_to_ptr(display), &minKeyCode, &maxKeyCode);
    keySyms = XGetKeyboardMapping((Display*)jlong_to_ptr(display), minKeyCode, maxKeyCode - minKeyCode + 1, &keySymsPerKeyCode);
    keySymsStart = keySyms;
    for (i = 0; i < (maxKeyCode - minKeyCode + 1) * keySymsPerKeyCode; i++) {
        keySym = *keySyms++;
        if ((keySym & 0xff00) == 0x0400) {
            kanaCount++;
        }
    }
    XFree(keySymsStart);

    // use a (somewhat arbitrary) minimum so we don't get confused by a stray function key
    result = kanaCount > 10;
    return result ? JNI_TRUE : JNI_FALSE;
}

JavaVM* jvm = NULL;
static int ToolkitErrorHandler(Display * dpy, XErrorEvent * event) {
    JNIEnv * env;
    // First call the native synthetic error handler declared in "awt_util.h" file.
    if (current_native_xerror_handler != NULL) {
        current_native_xerror_handler(dpy, event);
    }
    if (jvm != NULL) {
        env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
        if (env) {
            return JNU_CallStaticMethodByName(env, NULL, "sun/awt/X11/XErrorHandlerUtil",
                "globalErrorHandler", "(JJ)I", ptr_to_jlong(dpy), ptr_to_jlong(event)).i;
        }
    }
    return 0;
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    SetToolkitErrorHandler
 * Signature: ()J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_SetToolkitErrorHandler
(JNIEnv *env, jclass clazz)
{
    (*env)->GetJavaVM(env, &jvm);
    AWT_CHECK_HAVE_LOCK();
    return ptr_to_jlong(XSetErrorHandler(ToolkitErrorHandler));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XSetErrorHandler
 * Signature: (J)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XSetErrorHandler
(JNIEnv *env, jclass clazz, jlong handler)
{
    AWT_CHECK_HAVE_LOCK();
    XSetErrorHandler((XErrorHandler) jlong_to_ptr(handler));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    CallErrorHandler
 * Signature: (JJJ)I
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_CallErrorHandler
(JNIEnv *env, jclass clazz, jlong handler, jlong display, jlong event_ptr)
{
    return (*(XErrorHandler)jlong_to_ptr(handler))((Display*) jlong_to_ptr(display), (XErrorEvent*) jlong_to_ptr(event_ptr));
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    PrintXErrorEvent
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_PrintXErrorEvent
(JNIEnv *env, jclass clazz, jlong display, jlong event_ptr)
{
    char msg[128];
    char buf[128];

    XErrorEvent* err = (XErrorEvent *)jlong_to_ptr(event_ptr);

    XGetErrorText((Display *)jlong_to_ptr(display), err->error_code, msg, sizeof(msg));
    jio_fprintf(stderr, "Xerror %s, XID %x, ser# %d\n", msg, err->resourceid, err->serial);
    jio_snprintf(buf, sizeof(buf), "%d", err->request_code);
    XGetErrorDatabaseText((Display *)jlong_to_ptr(display), "XRequest", buf, "Unknown", msg, sizeof(msg));
    jio_fprintf(stderr, "Major opcode %d (%s)\n", err->request_code, msg);
    if (err->request_code > 128) {
        jio_fprintf(stderr, "Minor opcode %d\n", err->minor_code);
    }
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XInternAtoms
 * Signature: (J[Ljava/lang/String;ZJ)I
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XInternAtoms
(JNIEnv *env, jclass clazz, jlong display, jobjectArray names_arr, jboolean only_if_exists, jlong atoms)
{
    int length = (*env)->GetArrayLength(env, names_arr);
    char ** names = (char**)malloc(length*sizeof(char*));
    jboolean copy;
    int index, name_index = 0;
    int status;

    AWT_CHECK_HAVE_LOCK();

    for (index = 0; index < length; index++) {
        jstring str = (*env)->GetObjectArrayElement(env, names_arr, index);
        if (!JNU_IsNull(env, str)) {
            const char * str_char = JNU_GetStringPlatformChars(env, str, NULL);
            names[name_index++] = strdup(str_char);
            JNU_ReleaseStringPlatformChars(env, str, str_char);
            (*env)->DeleteLocalRef(env, str);
        }
    }
    status = XInternAtoms((Display*)jlong_to_ptr(display), names, name_index, only_if_exists, (Atom*) jlong_to_ptr(atoms));
    for (index = 0; index < length; index++) {
        free(names[index]);
    }
    free(names);
    return status;
}



/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XGetWindowAttributes
 * Signature: (JJJ)I
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XGetWindowAttributes
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong attr_ptr)
{
    jint status;
    AWT_CHECK_HAVE_LOCK();
    memset((XWindowAttributes*) jlong_to_ptr(attr_ptr), 0, sizeof(XWindowAttributes));
    status =  XGetWindowAttributes((Display*)jlong_to_ptr(display), window, (XWindowAttributes*) jlong_to_ptr(attr_ptr));
    return status;
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XGetGeometry
 * Signature: (JJJJJJJJJ)I
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XGetGeometry
(JNIEnv *env, jclass clazz, jlong display, jlong drawable, jlong root_return,
     jlong x_return, jlong y_return, jlong width_return, jlong height_return,
     jlong border_width_return, jlong depth_return)
{
    jint status;
    AWT_CHECK_HAVE_LOCK();
    status = XGetGeometry((Display *)jlong_to_ptr(display),
                          (Drawable)drawable, (Window *)jlong_to_ptr(root_return),
                          (int *)jlong_to_ptr(x_return), (int *)jlong_to_ptr(y_return),
                          (unsigned int *)jlong_to_ptr(width_return), (unsigned int *)jlong_to_ptr(height_return),
                          (unsigned int *)jlong_to_ptr(border_width_return),
                          (unsigned int *)jlong_to_ptr(depth_return));
    return status;
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XGetWMNormalHints
 * Signature: (JJJJ)I
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XGetWMNormalHints
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong hints, jlong supplied_return)
{
    AWT_CHECK_HAVE_LOCK();
    return XGetWMNormalHints((Display*) jlong_to_ptr(display),
                             window,
                             (XSizeHints*) jlong_to_ptr(hints),
                             (long*) jlong_to_ptr(supplied_return));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XSetWMNormalHints
 * Signature: (JJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XSetWMNormalHints
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong hints)
{
    AWT_CHECK_HAVE_LOCK();
    XSetWMNormalHints((Display*) jlong_to_ptr(display), window, (XSizeHints*) jlong_to_ptr(hints));
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XDeleteProperty
 * Signature: (JJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XDeleteProperty
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong atom)
{
    AWT_CHECK_HAVE_LOCK();
    XDeleteProperty((Display*) jlong_to_ptr(display), window, (Atom)atom);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XSendEvent
 * Signature: (JJZJJ)V
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XSendEvent
(JNIEnv *env, jclass clazz, jlong display, jlong window, jboolean propagate, jlong event_mask, jlong event)
{
    AWT_CHECK_HAVE_LOCK();
    return XSendEvent((Display*) jlong_to_ptr(display),
                      window,
                      propagate==JNI_TRUE?True:False,
                      (long) event_mask,
                      (XEvent*) jlong_to_ptr(event));
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XQueryTree
 * Signature: (JJJJJJ)I
 */
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XQueryTree
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong root_return, jlong parent_return, jlong children_return, jlong nchildren_return)
{
    AWT_CHECK_HAVE_LOCK();
    return XQueryTree((Display*) jlong_to_ptr(display),
                      window,
                      (Window *) jlong_to_ptr(root_return),
                      (Window*) jlong_to_ptr(parent_return),
                      (Window**) jlong_to_ptr(children_return),
                      (unsigned int*) jlong_to_ptr(nchildren_return));
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    memcpy
 * Signature: (JJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_memcpy
(JNIEnv *env, jclass clazz, jlong dest_ptr, jlong src_ptr, jlong length)
{
    memcpy(jlong_to_ptr(dest_ptr), jlong_to_ptr(src_ptr), length);
}


JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XSetMinMaxHints
(JNIEnv *env, jclass clazz, jlong display, jlong window, jint x, jint y, jint width, jint height, jlong flags) {
    XSizeHints * hints;
    AWT_CHECK_HAVE_LOCK();
    hints = XAllocSizeHints();
    hints->flags = flags;
    hints->width = width;
    hints->min_width = width;
    hints->max_width = width;
    hints->height = height;
    hints->min_height = height;
    hints->max_height = height;
    hints->x = x;
    hints->y = y;
    XSetWMNormalHints((Display*) jlong_to_ptr(display), window, hints);
    XFree(hints);
}


JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_XGetVisualInfo
(JNIEnv *env, jclass clazz, jlong display, jlong vinfo_mask, jlong vinfo_template,
 jlong nitems_return)
{
    AWT_CHECK_HAVE_LOCK();
    return ptr_to_jlong(XGetVisualInfo((Display*) jlong_to_ptr(display),
                                       (long) vinfo_mask,
                                       (XVisualInfo*) jlong_to_ptr(vinfo_template),
                                       (int*) jlong_to_ptr(nitems_return)));
}

JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_XAllocSizeHints
  (JNIEnv *env, jclass clazz)
{
    AWT_CHECK_HAVE_LOCK();
    return ptr_to_jlong(XAllocSizeHints());
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XIconifyWindow
 * Signature: (JJJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XBell
(JNIEnv *env, jclass clazz, jlong display, jint percent)
{
    AWT_CHECK_HAVE_LOCK();
    XBell((Display*)jlong_to_ptr(display), percent);
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XAllocColor
 * Signature: (JJJ)Z
 */
JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_XAllocColor
(JNIEnv *env, jclass clazz, jlong display , jlong colormap, jlong xcolor) {

    Status status;
    AWT_CHECK_HAVE_LOCK();
    status = XAllocColor((Display *) jlong_to_ptr(display), (Colormap) colormap, (XColor *) jlong_to_ptr(xcolor));

    if (status == 0) return JNI_FALSE;
    else return JNI_TRUE;
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XCreateBitmapFromData
 * Signature: (JJJII)J
 */
JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_XCreateBitmapFromData
(JNIEnv *env, jclass clazz, jlong display, jlong drawable, jlong data, jint width, jint height) {
    AWT_CHECK_HAVE_LOCK();

    return (jlong) XCreateBitmapFromData((Display *) jlong_to_ptr(display), (Drawable) drawable,
                                         (char *) jlong_to_ptr(data), width, height);
}


/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XFreePixmap
 * Signature: (JJ)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XFreePixmap
(JNIEnv *env, jclass clazz, jlong display, jlong pixmap) {
    AWT_CHECK_HAVE_LOCK();
    XFreePixmap((Display *)jlong_to_ptr(display), (Pixmap) pixmap);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XReparentWindow
 * Signature: (JJJII)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XReparentWindow
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong parent, jint x, jint y) {
    AWT_CHECK_HAVE_LOCK();
    XReparentWindow((Display*)jlong_to_ptr(display), window, parent, x, y);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XConvertSelection
 * Signature: (JJJJJJ)V
 */
JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XConvertSelection(JNIEnv *env, jclass clazz,
                           jlong display, jlong selection,
                           jlong target, jlong property,
                           jlong requestor, jlong time) {
    AWT_CHECK_HAVE_LOCK();
    XConvertSelection((Display*)jlong_to_ptr(display), selection, target, property, requestor,
              time);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XSetSelectionOwner
 * Signature: (JJJJ)V
 */
JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XSetSelectionOwner(JNIEnv *env, jclass clazz,
                        jlong display, jlong selection,
                        jlong owner, jlong time) {
    AWT_CHECK_HAVE_LOCK();
    XSetSelectionOwner((Display*)jlong_to_ptr(display), selection, owner, time);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XGetSelectionOwner
 * Signature: (JJ)J
 */
JNIEXPORT jlong JNICALL
Java_sun_awt_X11_XlibWrapper_XGetSelectionOwner(JNIEnv *env, jclass clazz,
                        jlong display, jlong selection) {
    AWT_CHECK_HAVE_LOCK();
    return (jlong)XGetSelectionOwner((Display*)jlong_to_ptr(display), selection);
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XGetAtomName
 * Signature: (JJ)Ljava/lang/String;
 */
JNIEXPORT jstring JNICALL
Java_sun_awt_X11_XlibWrapper_XGetAtomName(JNIEnv *env, jclass clazz,
                      jlong display, jlong atom)
{
    jstring string = NULL;
    char* name;
    AWT_CHECK_HAVE_LOCK();
    name = (char*) XGetAtomName((Display*)jlong_to_ptr(display), atom);

    if (name == NULL) {
        fprintf(stderr, "Atom was %d\n", (int)atom);
        JNU_ThrowNullPointerException(env, "Failed to retrieve atom name.");
        return NULL;
    }

    string = (*env)->NewStringUTF(env, (const char *)name);

    XFree(name);

    return string;
}

/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XMaxRequestSize
 * Signature: (J)J
 */
JNIEXPORT jlong JNICALL
Java_sun_awt_X11_XlibWrapper_XMaxRequestSize(JNIEnv *env, jclass clazz,
                         jlong display) {
    AWT_CHECK_HAVE_LOCK();
    return XMaxRequestSize((Display*) jlong_to_ptr(display));
}

JNIEXPORT jlong JNICALL
Java_sun_awt_X11_XlibWrapper_XAllocWMHints(JNIEnv *env, jclass clazz)
{
    AWT_CHECK_HAVE_LOCK();
    return ptr_to_jlong(XAllocWMHints());
}

JNIEXPORT jlong JNICALL
Java_sun_awt_X11_XlibWrapper_XCreatePixmap(JNIEnv *env, jclass clazz, jlong display, jlong drawable, jint width, jint height, jint depth)
{
    AWT_CHECK_HAVE_LOCK();
    return XCreatePixmap((Display*)jlong_to_ptr(display), (Drawable)drawable, width, height, depth);
}
JNIEXPORT jlong JNICALL
Java_sun_awt_X11_XlibWrapper_XCreateImage
  (JNIEnv *env, jclass clazz, jlong display, jlong visual_ptr,
   jint depth, jint format, jint offset, jlong data, jint width,
   jint height, jint bitmap_pad, jint bytes_per_line)
{
    AWT_CHECK_HAVE_LOCK();
    return ptr_to_jlong(XCreateImage((Display*) jlong_to_ptr(display), (Visual*) jlong_to_ptr(visual_ptr),
                depth, format, offset, (char*) jlong_to_ptr(data),
                width, height, bitmap_pad, bytes_per_line));
}
JNIEXPORT jlong JNICALL
Java_sun_awt_X11_XlibWrapper_XCreateGC
  (JNIEnv *env, jclass clazz, jlong display, jlong drawable,
   jlong valuemask, jlong values)
{
    AWT_CHECK_HAVE_LOCK();
    return ptr_to_jlong(XCreateGC((Display*) jlong_to_ptr(display), (Drawable)drawable, valuemask, (XGCValues*) jlong_to_ptr(values)));
}

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XDestroyImage(JNIEnv *env, jclass clazz, jlong image)
{
    XImage *img = (XImage*) jlong_to_ptr(image);
    AWT_CHECK_HAVE_LOCK();

    // Fix for bug 4903671 :
    // We should be careful to not double free the memory pointed to data
    // Since we use unsafe to allocate it, we should use unsafe to free it.
    // So we should NULL the data pointer before calling XDestroyImage so
    // that X does not free the pointer for us.
    img->data = NULL;
    XDestroyImage(img);
}
JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XPutImage(JNIEnv *env, jclass clazz, jlong display, jlong drawable, jlong gc, jlong image, jint src_x, jint src_y, jint dest_x, jint dest_y, jint width, jint height)
{
    AWT_CHECK_HAVE_LOCK();
    XPutImage((Display*)jlong_to_ptr(display), (Drawable)drawable, (GC) jlong_to_ptr(gc), (XImage*) jlong_to_ptr(image), src_x, src_y,
              dest_x, dest_y, width, height);
}
JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XFreeGC(JNIEnv *env, jclass clazz, jlong display, jlong gc)
{
    AWT_CHECK_HAVE_LOCK();
    XFreeGC((Display*) jlong_to_ptr(display), (GC) jlong_to_ptr(gc));
}
JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XSetWindowBackgroundPixmap(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong pixmap)
{
    AWT_CHECK_HAVE_LOCK();
    XSetWindowBackgroundPixmap((Display*) jlong_to_ptr(display), (Window)window, (Pixmap)pixmap);
}
JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XClearWindow(JNIEnv *env, jclass clazz, jlong display, jlong window)
{
    AWT_CHECK_HAVE_LOCK();
    XClearWindow((Display*) jlong_to_ptr(display), (Window)window);
}

JNIEXPORT jint JNICALL
Java_sun_awt_X11_XlibWrapper_XGetIconSizes(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong ret_sizes, jlong ret_count)
{
    XIconSize** psize = (XIconSize**) jlong_to_ptr(ret_sizes);
    int * pcount = (int *) jlong_to_ptr(ret_count);
    Status res;
    AWT_CHECK_HAVE_LOCK();
    res = XGetIconSizes((Display*) jlong_to_ptr(display), (Window)window, psize, pcount);
    return res;
}

JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XdbeQueryExtension
  (JNIEnv *env, jclass clazz, jlong display, jlong major_version_return,
   jlong minor_version_return)
{
    AWT_CHECK_HAVE_LOCK();
    return XdbeQueryExtension((Display*) jlong_to_ptr(display), (int *) jlong_to_ptr(major_version_return),
                  (int *) jlong_to_ptr(minor_version_return));
}

JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_XQueryExtension
  (JNIEnv *env, jclass clazz, jlong display, jstring jstr, jlong mop_return,
   jlong feve_return, jlong err_return)
{
    char *cname;
    Boolean bu;
    if (!JNU_IsNull(env, jstr)) {
        cname = (char *)JNU_GetStringPlatformChars(env, jstr, NULL);
    } else {
        cname = "";
    }

    AWT_CHECK_HAVE_LOCK();
    bu = XQueryExtension((Display*) jlong_to_ptr(display), cname, (int *) jlong_to_ptr(mop_return),
                (int *) jlong_to_ptr(feve_return),  (int *) jlong_to_ptr(err_return));
    if (!JNU_IsNull(env, jstr)) {
        JNU_ReleaseStringPlatformChars(env, jstr, (const char *) cname);
    }
    return bu ? JNI_TRUE : JNI_FALSE;
}

JNIEXPORT jboolean JNICALL Java_sun_awt_X11_XlibWrapper_IsKeypadKey
  (JNIEnv *env, jclass clazz, jlong keysym)
{
    AWT_CHECK_HAVE_LOCK();
    if(IsKeypadKey(keysym)) {
        return JNI_TRUE;
    }
    return JNI_FALSE;
}

JNIEXPORT jlong JNICALL Java_sun_awt_X11_XlibWrapper_XdbeAllocateBackBufferName
  (JNIEnv *env, jclass clazz, jlong display, jlong window, jint swap_action)
{
    AWT_CHECK_HAVE_LOCK();
    return XdbeAllocateBackBufferName((Display*) jlong_to_ptr(display), (Window) window,
                      (XdbeSwapAction) swap_action);
}

JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XdbeDeallocateBackBufferName
  (JNIEnv *env, jclass clazz, jlong display, jlong buffer)
{
    AWT_CHECK_HAVE_LOCK();
    return XdbeDeallocateBackBufferName((Display*) jlong_to_ptr(display), (XdbeBackBuffer) buffer);
}

JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XdbeBeginIdiom
  (JNIEnv *env, jclass clazz, jlong display)
{
    AWT_CHECK_HAVE_LOCK();
    return XdbeBeginIdiom((Display*) jlong_to_ptr(display));
}

JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XdbeEndIdiom
  (JNIEnv *env, jclass clazz, jlong display)
{
    AWT_CHECK_HAVE_LOCK();
    return XdbeEndIdiom((Display*) jlong_to_ptr(display));
}

JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XdbeSwapBuffers
  (JNIEnv *env, jclass clazz, jlong display, jlong swap_info, jint num_windows)
{
    AWT_CHECK_HAVE_LOCK();
    return XdbeSwapBuffers((Display*) jlong_to_ptr(display), (XdbeSwapInfo *) jlong_to_ptr(swap_info), num_windows);
}
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XQueryKeymap
(JNIEnv *env, jclass clazz, jlong display, jlong vector)
{

    AWT_CHECK_HAVE_LOCK();
    XQueryKeymap( (Display *) jlong_to_ptr(display), (char *) jlong_to_ptr(vector));
}

JNIEXPORT jlong JNICALL
Java_sun_awt_X11_XlibWrapper_XKeycodeToKeysym(JNIEnv *env, jclass clazz,
                                              jlong display, jint keycode,
                                              jint index) {
    AWT_CHECK_HAVE_LOCK();
    return XKeycodeToKeysym((Display*) jlong_to_ptr(display), (unsigned int)keycode, (int)index);
}

JNIEXPORT jint JNICALL
Java_sun_awt_X11_XlibWrapper_XkbGetEffectiveGroup(JNIEnv *env, jclass clazz,
                                              jlong display) {
    XkbStateRec sr;
    AWT_CHECK_HAVE_LOCK();
    memset(&sr, 0, sizeof(XkbStateRec));
    XkbGetState((Display*) jlong_to_ptr(display), XkbUseCoreKbd, &sr);
//    printf("-------------------------------------VVVV\n");
//    printf("                 group:0x%0X\n",sr.group);
//    printf("            base_group:0x%0X\n",sr.base_group);
//    printf("         latched_group:0x%0X\n",sr.latched_group);
//    printf("          locked_group:0x%0X\n",sr.locked_group);
//    printf("                  mods:0x%0X\n",sr.mods);
//    printf("             base_mods:0x%0X\n",sr.base_mods);
//    printf("          latched_mods:0x%0X\n",sr.latched_mods);
//    printf("           locked_mods:0x%0X\n",sr.locked_mods);
//    printf("          compat_state:0x%0X\n",sr.compat_state);
//    printf("             grab_mods:0x%0X\n",sr.grab_mods);
//    printf("      compat_grab_mods:0x%0X\n",sr.compat_grab_mods);
//    printf("           lookup_mods:0x%0X\n",sr.lookup_mods);
//    printf("    compat_lookup_mods:0x%0X\n",sr.compat_lookup_mods);
//    printf("           ptr_buttons:0x%0X\n",sr.ptr_buttons);
//    printf("-------------------------------------^^^^\n");
    return (jint)(sr.group);
}
JNIEXPORT jlong JNICALL
Java_sun_awt_X11_XlibWrapper_XkbKeycodeToKeysym(JNIEnv *env, jclass clazz,
                                              jlong display, jint keycode,
                                              jint group, jint level) {
    AWT_CHECK_HAVE_LOCK();
    return XkbKeycodeToKeysym((Display*) jlong_to_ptr(display), (unsigned int)keycode, (unsigned int)group, (unsigned int)level);
}

JNIEXPORT jint JNICALL
Java_sun_awt_X11_XlibWrapper_XKeysymToKeycode(JNIEnv *env, jclass clazz,
                                              jlong display, jlong keysym) {
    AWT_CHECK_HAVE_LOCK();
    return XKeysymToKeycode((Display*) jlong_to_ptr(display), (KeySym)keysym);
}

JNIEXPORT jlong JNICALL
Java_sun_awt_X11_XlibWrapper_XGetModifierMapping(JNIEnv *env, jclass clazz,
                                              jlong display) {
    AWT_CHECK_HAVE_LOCK();
    return ptr_to_jlong(XGetModifierMapping((Display*) jlong_to_ptr(display)));
}

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XFreeModifiermap(JNIEnv *env, jclass clazz,
                                              jlong keymap) {
    AWT_CHECK_HAVE_LOCK();
    XFreeModifiermap((XModifierKeymap*) jlong_to_ptr(keymap));
}
/*
 * Class:     sun_awt_X11_XlibWrapper
 * Method:    XRefreshKeyboardMapping
 * Signature: (J)V
 */
JNIEXPORT void JNICALL Java_sun_awt_X11_XlibWrapper_XRefreshKeyboardMapping
(JNIEnv *env, jclass clazz, jlong event_ptr)
{
    AWT_CHECK_HAVE_LOCK();
    XRefreshKeyboardMapping((XMappingEvent*) jlong_to_ptr(event_ptr));
}

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XChangeActivePointerGrab(JNIEnv *env, jclass clazz,
                                                      jlong display, jint mask,
                                                      jlong cursor, jlong time) {
    AWT_CHECK_HAVE_LOCK();
    XChangeActivePointerGrab((Display*)jlong_to_ptr(display), (unsigned int)mask,
                             (Cursor)cursor, (Time)time);
}

/******************* Secondary loop support ************************************/
#define AWT_SECONDARY_LOOP_TIMEOUT 250

static Bool exitSecondaryLoop = True;

/*
 * This predicate procedure allows the Toolkit thread to process specific events
 * while it is blocked waiting for the event dispatch thread to process
 * a SunDropTargetEvent. We need this to prevent deadlock when the client code
 * processing SunDropTargetEvent sets or gets the contents of the system
 * clipboard/selection. In this case the event dispatch thread waits for the
 * Toolkit thread to process PropertyNotify or SelectionNotify events.
 */
static Bool
secondary_loop_event(Display* dpy, XEvent* event, char* arg) {
    return (event->type == SelectionNotify ||
            event->type == SelectionClear  ||
            event->type == PropertyNotify) ? True : False;
}


JNIEXPORT jboolean JNICALL
Java_sun_awt_X11_XlibWrapper_XNextSecondaryLoopEvent(JNIEnv *env, jclass clazz,
                                                     jlong display, jlong ptr) {
    uint32_t timeout = 1;

    AWT_CHECK_HAVE_LOCK();
    exitSecondaryLoop = False;
    while (!exitSecondaryLoop) {
        if (XCheckIfEvent((Display*) jlong_to_ptr(display), (XEvent*) jlong_to_ptr(ptr), secondary_loop_event, NULL)) {
            return JNI_TRUE;
        }
        timeout = (timeout < AWT_SECONDARY_LOOP_TIMEOUT) ? (timeout << 1) : AWT_SECONDARY_LOOP_TIMEOUT;
        AWT_WAIT(timeout);
    }
    return JNI_FALSE;
}

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_ExitSecondaryLoop(JNIEnv *env, jclass clazz) {
    DASSERT(!exitSecondaryLoop);
    AWT_CHECK_HAVE_LOCK();
    exitSecondaryLoop = True;
    AWT_NOTIFY_ALL();
}
/*******************************************************************************/

JNIEXPORT jobjectArray JNICALL
Java_sun_awt_X11_XlibWrapper_XTextPropertyToStringList(JNIEnv *env,
                                                       jclass clazz,
                                                       jbyteArray bytes,
                                                       jlong encodingAtom) {
    XTextProperty tp;
    jbyte         *value;

    char**        strings  = (char **)NULL;
    int32_t       nstrings = 0;
    jobjectArray  ret = NULL;
    int32_t       i;
    jsize         len;
    jboolean      isCopy = JNI_FALSE;
    static jclass stringClass = NULL;
    jclass        stringClassLocal = NULL;

    AWT_CHECK_HAVE_LOCK();

    if (JNU_IsNull(env, stringClass)) {
        stringClassLocal = (*env)->FindClass(env, "java/lang/String");

        if ((*env)->ExceptionCheck(env)) {
            (*env)->ExceptionDescribe(env);
            (*env)->ExceptionClear(env);
            DASSERT(False);
        }

        if (JNU_IsNull(env, stringClassLocal)) {
            return NULL;
        }

        stringClass = (*env)->NewGlobalRef(env, stringClassLocal); /* never freed! */
        (*env)->DeleteLocalRef(env, stringClassLocal);

        if (JNU_IsNull(env, stringClass)) {
            JNU_ThrowOutOfMemoryError(env, "");
            return NULL;
        }
    }

    /*
     * If the length of the byte array is 0 just return a null
     */
    len = (*env)->GetArrayLength(env, bytes);
    if (len == 0) {
        return (*env)->NewObjectArray(env, 0, stringClass, NULL);
    }

    value = (*env)->GetByteArrayElements(env, bytes, &isCopy);
    if (JNU_IsNull(env, value)) {
        return NULL;
    }

    tp.encoding = encodingAtom;
    tp.value    = (unsigned char *)value;
    tp.nitems   = len;
    tp.format   = 8;

    /*
     * Convert the byte stream into a list of X11 strings
     */
    if (XTextPropertyToStringList(&tp, &strings, &nstrings) == 0) {
        (*env)->ReleaseByteArrayElements(env, bytes, value, JNI_ABORT);
        return NULL;
    }

    (*env)->ReleaseByteArrayElements(env, bytes, value, JNI_ABORT);

    if (nstrings == 0) {
        return (*env)->NewObjectArray(env, 0, stringClass, NULL);
    }

    ret = (*env)->NewObjectArray(env, nstrings, stringClass, NULL);

    if ((*env)->ExceptionCheck(env)) {
        (*env)->ExceptionDescribe(env);
        (*env)->ExceptionClear(env);
        goto wayout;
    }

    if (JNU_IsNull(env, ret)) {
        goto wayout;
    }

    for (i = 0; i < nstrings; i++) {
        jstring string = (*env)->NewStringUTF(env,
                                              (const char *)strings[i]);
        if ((*env)->ExceptionCheck(env)) {
            (*env)->ExceptionDescribe(env);
            (*env)->ExceptionClear(env);
            goto wayout;
        }

        if (JNU_IsNull(env, string)) {
            goto wayout;
        }

        (*env)->SetObjectArrayElement(env, ret, i, string);

        if ((*env)->ExceptionCheck(env)) {
            (*env)->ExceptionDescribe(env);
            (*env)->ExceptionClear(env);
            goto wayout;
        }

        (*env)->DeleteLocalRef(env, string);
    }

 wayout:
    /*
     * Clean up and return
     */
    XFreeStringList(strings);
    return ret;
}


JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_XPutBackEvent(JNIEnv *env,
                                           jclass clazz,
                                           jlong display,
                                           jlong event) {
    XPutBackEvent((Display*)jlong_to_ptr(display), (XEvent*) jlong_to_ptr(event));
}

JNIEXPORT jlong JNICALL
Java_sun_awt_X11_XlibWrapper_getAddress(JNIEnv *env,
                                           jclass clazz,
                                           jobject o) {
    return ptr_to_jlong(o);
}

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_copyIntArray(JNIEnv *env,
                                           jclass clazz,
                                           jlong dest, jobject array, jint size) {
    jboolean isCopy = JNI_FALSE;
    jint * ints = (*env)->GetIntArrayElements(env, array, &isCopy);
    memcpy(jlong_to_ptr(dest), ints, size);
    if (isCopy) {
        (*env)->ReleaseIntArrayElements(env, array, ints, JNI_ABORT);
    }
}

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_copyLongArray(JNIEnv *env,
                                           jclass clazz,
                                           jlong dest, jobject array, jint size) {
    jboolean isCopy = JNI_FALSE;
    jlong * longs = (*env)->GetLongArrayElements(env, array, &isCopy);
    memcpy(jlong_to_ptr(dest), longs, size);
    if (isCopy) {
        (*env)->ReleaseLongArrayElements(env, array, longs, JNI_ABORT);
    }
}

JNIEXPORT jint JNICALL
Java_sun_awt_X11_XlibWrapper_XSynchronize(JNIEnv *env, jclass clazz, jlong display, jboolean onoff)
{
    return (jint) XSynchronize((Display*)jlong_to_ptr(display), (onoff == JNI_TRUE ? True : False));
}

JNIEXPORT jboolean JNICALL
Java_sun_awt_X11_XlibWrapper_XShapeQueryExtension
(JNIEnv *env, jclass clazz, jlong display, jlong event_base_return, jlong error_base_return)
{
    jboolean status;

    AWT_CHECK_HAVE_LOCK();

    status = XShapeQueryExtension((Display *)jlong_to_ptr(display),
            (int *)jlong_to_ptr(event_base_return), (int *)jlong_to_ptr(error_base_return));
    return status;
}

/*
 * Class:     XlibWrapper
 * Method:    SetRectangularShape
 */

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_SetRectangularShape
(JNIEnv *env, jclass clazz, jlong display, jlong window,
 jint x1, jint y1, jint x2, jint y2,
 jobject region)
{
    AWT_CHECK_HAVE_LOCK();

    // If all the params are zeros, the shape must be simply reset.
    // Otherwise, the shape may be not rectangular.
    if (region || x1 || x2 || y1 || y2) {
        XRectangle rects[256];
        XRectangle *pRect = rects;

        int numrects = RegionToYXBandedRectangles(env, x1, y1, x2, y2, region,
                &pRect, 256);

        XShapeCombineRectangles((Display *)jlong_to_ptr(display), (Window)jlong_to_ptr(window),
                ShapeClip, 0, 0, pRect, numrects, ShapeSet, YXBanded);
        XShapeCombineRectangles((Display *)jlong_to_ptr(display), (Window)jlong_to_ptr(window),
                ShapeBounding, 0, 0, pRect, numrects, ShapeSet, YXBanded);

        if (pRect != rects) {
            free(pRect);
        }
    } else {
        // Reset the shape to a rectangular form.
        XShapeCombineMask((Display *)jlong_to_ptr(display), (Window)jlong_to_ptr(window),
                ShapeClip, 0, 0, None, ShapeSet);
        XShapeCombineMask((Display *)jlong_to_ptr(display), (Window)jlong_to_ptr(window),
                ShapeBounding, 0, 0, None, ShapeSet);
    }
}

/*
 * Class:     XlibWrapper
 * Method:    SetZOrder
 */

JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_SetZOrder
(JNIEnv *env, jclass clazz, jlong display, jlong window, jlong above)
{
    unsigned int value_mask = CWStackMode;

    XWindowChanges wc;
    wc.sibling = (Window)jlong_to_ptr(above);

    AWT_CHECK_HAVE_LOCK();

    if (above == 0) {
        wc.stack_mode = Above;
    } else {
        wc.stack_mode = Below;
        value_mask |= CWSibling;
    }

    XConfigureWindow((Display *)jlong_to_ptr(display),
                     (Window)jlong_to_ptr(window),
                     value_mask, &wc );
}

/*
 * Class:     XlibWrapper
 * Method:    SetBitmapShape
 */
JNIEXPORT void JNICALL
Java_sun_awt_X11_XlibWrapper_SetBitmapShape
(JNIEnv *env, jclass clazz, jlong display, jlong window,
 jint width, jint height, jintArray bitmap)
{
    jsize len;
    jint *values;
    jboolean isCopy = JNI_FALSE;
    size_t worstBufferSize = (size_t)((width / 2 + 1) * height);
    RECT_T * pRect;
    int numrects;

    if (!IS_SAFE_SIZE_MUL(width / 2 + 1, height)) {
        return;
    }

    AWT_CHECK_HAVE_LOCK();

    len = (*env)->GetArrayLength(env, bitmap);
    if (len == 0 || len < width * height) {
        return;
    }

    values = (*env)->GetIntArrayElements(env, bitmap, &isCopy);
    if (JNU_IsNull(env, values)) {
        return;
    }

    pRect = (RECT_T *)SAFE_SIZE_ARRAY_ALLOC(malloc, worstBufferSize, sizeof(RECT_T));
    if (!pRect) {
        return;
    }

    /* Note: the values[0] and values[1] are supposed to contain the width
     * and height (see XIconInfo.getIntData() for details). So, we do +2.
     */
    numrects = BitmapToYXBandedRectangles(32, (int)width, (int)height,
            (unsigned char *)(values + 2), pRect);

    XShapeCombineRectangles((Display *)jlong_to_ptr(display), (Window)jlong_to_ptr(window),
            ShapeClip, 0, 0, pRect, numrects, ShapeSet, YXBanded);
    XShapeCombineRectangles((Display *)jlong_to_ptr(display), (Window)jlong_to_ptr(window),
            ShapeBounding, 0, 0, pRect, numrects, ShapeSet, YXBanded);

    free(pRect);

    (*env)->ReleaseIntArrayElements(env, bitmap, values, JNI_ABORT);
}

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