/*

 * Copyright (c) 1995, 2004, 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.

 */

#ifndef _AWT_UTIL_H_

#define _AWT_UTIL_H_

#ifndef HEADLESS

#include "gdefs.h"

#define WITH_XERROR_HANDLER(f) do {             \

    XSync(awt_display, False);                  \

    xerror_code = Success;                      \

    xerror_saved_handler = XSetErrorHandler(f); \

} while (0)

/* Convenience macro for handlers to use */

#define XERROR_SAVE(err) do {                   \

    xerror_code = (err)->error_code;            \

} while (0)

#define RESTORE_XERROR_HANDLER do {             \

    XSync(awt_display, False);                  \

    XSetErrorHandler(xerror_saved_handler);     \

} while (0)

#define EXEC_WITH_XERROR_HANDLER(f, code) do {  \

    WITH_XERROR_HANDLER(f);                     \

    do {                                        \

        code;                                   \

    } while (0);                                \

    RESTORE_XERROR_HANDLER;                     \

} while (0)

/*

 * Since X reports protocol errors asynchronously, we often need to

 * install an error handler that acts like a callback.  While that

 * specialized handler is installed we save original handler here.

 */

extern XErrorHandler xerror_saved_handler;

/*

 * A place for error handler to report the error code.

 */

extern unsigned char xerror_code;

#endif /* !HEADLESS */

#ifndef INTERSECTS

#define INTERSECTS(r1_x1,r1_x2,r1_y1,r1_y2,r2_x1,r2_x2,r2_y1,r2_y2) \

!((r2_x2 <= r1_x1) ||\

  (r2_y2 <= r1_y1) ||\

  (r2_x1 >= r1_x2) ||\

  (r2_y1 >= r1_y2))

#endif

#ifndef MIN

#define MIN(a,b) ((a) < (b) ? (a) : (b))

#endif

#ifndef MAX

#define MAX(a,b) ((a) > (b) ? (a) : (b))

#endif

struct DPos {

    int32_t x;

    int32_t y;

    int32_t mapped;

    void *data;

    void *peer;

    int32_t echoC;

};

extern void awtJNI_ThreadYield(JNIEnv *env);

/*

 * Functions for accessing fields by name and signature

 */

JNIEXPORT jobject JNICALL

JNU_GetObjectField(JNIEnv *env, jobject self, const char *name,

                   const char *sig);

JNIEXPORT jboolean JNICALL

JNU_SetObjectField(JNIEnv *env, jobject self, const char *name,

                   const char *sig, jobject val);

JNIEXPORT jlong JNICALL

JNU_GetLongField(JNIEnv *env, jobject self, const char *name);

JNIEXPORT jint JNICALL

JNU_GetIntField(JNIEnv *env, jobject self, const char *name);

JNIEXPORT jboolean JNICALL

JNU_SetIntField(JNIEnv *env, jobject self, const char *name, jint val);

JNIEXPORT jboolean JNICALL

JNU_SetLongField(JNIEnv *env, jobject self, const char *name, jlong val);

JNIEXPORT jboolean JNICALL

JNU_GetBooleanField(JNIEnv *env, jobject self, const char *name);

JNIEXPORT jboolean JNICALL

JNU_SetBooleanField(JNIEnv *env, jobject self, const char *name, jboolean val);

JNIEXPORT jint JNICALL

JNU_GetCharField(JNIEnv *env, jobject self, const char *name);

#endif           /* _AWT_UTIL_H_ */