1 /*
2 * Copyright (c) 1995, 2013, 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 #ifndef _AWT_UTIL_H_
27 #define _AWT_UTIL_H_
28
29 #ifndef HEADLESS
30 #include "gdefs.h"
31
32 /*
33 * Expected types of arguments of the macro.
34 * (JNIEnv*, const char*, const char*, jboolean, jobject)
35 */
36 #define WITH_XERROR_HANDLER(env, handlerClassName, getInstanceSignature, \
37 handlerHasFlag, handlerRef) do { \
38 handlerRef = JNU_CallStaticMethodByName(env, NULL, handlerClassName, "getInstance", \
39 getInstanceSignature).l; \
40 if (handlerHasFlag == JNI_TRUE) { \
41 JNU_CallMethodByName(env, NULL, handlerRef, "setErrorOccurredFlag", "(Z)V", JNI_FALSE); \
42 } \
43 JNU_CallStaticMethodByName(env, NULL, "sun/awt/X11/XErrorHandlerUtil", "WITH_XERROR_HANDLER", \
44 "(Lsun/awt/X11/XErrorHandler;)V", handlerRef); \
45 } while (0)
46
47 /*
48 * Expected types of arguments of the macro.
49 * (JNIEnv*)
50 */
51 #define RESTORE_XERROR_HANDLER(env) do { \
52 JNU_CallStaticMethodByName(env, NULL, "sun/awt/X11/XErrorHandlerUtil", \
53 "RESTORE_XERROR_HANDLER", "()V"); \
54 } while (0)
55
56 /*
57 * Expected types of arguments of the macro.
58 * (JNIEnv*, const char*, const char*, jboolean, jobject, jboolean, No type - C expression)
59 */
60 #define EXEC_WITH_XERROR_HANDLER(env, handlerClassName, getInstanceSignature, handlerHasFlag, \
61 handlerRef, errorOccurredFlag, code) do { \
62 handlerRef = NULL; \
63 WITH_XERROR_HANDLER(env, handlerClassName, getInstanceSignature, handlerHasFlag, handlerRef); \
64 do { \
65 code; \
66 } while (0); \
67 RESTORE_XERROR_HANDLER(env); \
68 if (handlerHasFlag == JNI_TRUE) { \
69 errorOccurredFlag = JNU_CallMethodByName(env, NULL, handlerRef, "getErrorOccurredFlag", \
70 "()Z").z; \
71 } \
72 } while (0)
73 #endif /* !HEADLESS */
74
75 #ifndef INTERSECTS
76 #define INTERSECTS(r1_x1,r1_x2,r1_y1,r1_y2,r2_x1,r2_x2,r2_y1,r2_y2) \
77 !((r2_x2 <= r1_x1) ||\
78 (r2_y2 <= r1_y1) ||\
79 (r2_x1 >= r1_x2) ||\
80 (r2_y1 >= r1_y2))
81 #endif
82
83 #ifndef MIN
84 #define MIN(a,b) ((a) < (b) ? (a) : (b))
85 #endif
86 #ifndef MAX
87 #define MAX(a,b) ((a) > (b) ? (a) : (b))
88 #endif
89
90 struct DPos {
91 int32_t x;
92 int32_t y;
93 int32_t mapped;
94 void *data;
95 void *peer;
96 int32_t echoC;
97 };
98
99 extern void awtJNI_ThreadYield(JNIEnv *env);
100
101 /*
102 * Functions for accessing fields by name and signature
103 */
104
105 JNIEXPORT jobject JNICALL
106 JNU_GetObjectField(JNIEnv *env, jobject self, const char *name,
107 const char *sig);
108
109 JNIEXPORT jboolean JNICALL
110 JNU_SetObjectField(JNIEnv *env, jobject self, const char *name,
111 const char *sig, jobject val);
112
113 JNIEXPORT jlong JNICALL
114 JNU_GetLongField(JNIEnv *env, jobject self, const char *name);
115
116 JNIEXPORT jint JNICALL
117 JNU_GetIntField(JNIEnv *env, jobject self, const char *name);
118
119 JNIEXPORT jboolean JNICALL
120 JNU_SetIntField(JNIEnv *env, jobject self, const char *name, jint val);
121
122 JNIEXPORT jboolean JNICALL
123 JNU_SetLongField(JNIEnv *env, jobject self, const char *name, jlong val);
124
125 JNIEXPORT jboolean JNICALL
126 JNU_GetBooleanField(JNIEnv *env, jobject self, const char *name);
127
128 JNIEXPORT jboolean JNICALL
129 JNU_SetBooleanField(JNIEnv *env, jobject self, const char *name, jboolean val);
130
131 JNIEXPORT jint JNICALL
132 JNU_GetCharField(JNIEnv *env, jobject self, const char *name);
133
134 #endif /* _AWT_UTIL_H_ */