1 /*
2 * Copyright (c) 2004, 2020, 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 #ifdef HEADLESS
27 #error This file should not be included in headless library
28 #endif
29
30 #include <stdlib.h>
31 #include <string.h>
32 #include <unistd.h>
33 #include <dlfcn.h>
34
35 #include <jni.h>
36 #include <sizecalc.h>
37 #include "sun_awt_UNIXToolkit.h"
38
39 #include "awt.h"
40 #include "gtk_interface.h"
41
42 static jclass this_class = NULL;
43 static jmethodID icon_upcall_method = NULL;
44
45
46 /*
47 * Class: sun_awt_UNIXToolkit
48 * Method: check_gtk
49 * Signature: (I)Z
50 */
51 JNIEXPORT jboolean JNICALL
52 Java_sun_awt_UNIXToolkit_check_1gtk(JNIEnv *env, jclass klass, jint version) {
53 return (jboolean)gtk_check_version(version);
54 }
55
56
57 /*
58 * Class: sun_awt_UNIXToolkit
59 * Method: load_gtk
60 * Signature: (I)Z
61 */
62 JNIEXPORT jboolean JNICALL
63 Java_sun_awt_UNIXToolkit_load_1gtk(JNIEnv *env, jclass klass, jint version,
64 jboolean verbose) {
65 return (jboolean)gtk_load(env, version, verbose);
66 }
67
68 /*
69 * Class: sun_awt_UNIXToolkit
70 * Method: unload_gtk
71 * Signature: ()Z
72 */
73 JNIEXPORT jboolean JNICALL
74 Java_sun_awt_UNIXToolkit_unload_1gtk(JNIEnv *env, jclass klass)
75 {
76 return (jboolean)gtk->unload();
77 }
78
79 jboolean init_method(JNIEnv *env, jobject this)
80 {
81 if (this_class == NULL) {
82 this_class = (*env)->NewGlobalRef(env,
83 (*env)->GetObjectClass(env, this));
84 icon_upcall_method = (*env)->GetMethodID(env, this_class,
85 "loadIconCallback", "([BIIIIIZ)V");
86 CHECK_NULL_RETURN(icon_upcall_method, JNI_FALSE);
87 }
88 return JNI_TRUE;
89 }
90
91 /*
92 * Class: sun_awt_UNIXToolkit
93 * Method: load_gtk_icon
94 * Signature: (Ljava/lang/String)Z
95 *
96 * This method assumes that GTK libs are present.
97 */
98 JNIEXPORT jboolean JNICALL
99 Java_sun_awt_UNIXToolkit_load_1gtk_1icon(JNIEnv *env, jobject this,
100 jstring filename)
101 {
102 int len;
103 jsize jlen;
104 char *filename_str = NULL;
105 GError **error = NULL;
106
107 if (filename == NULL)
108 {
109 return JNI_FALSE;
110 }
111
112 len = (*env)->GetStringUTFLength(env, filename);
113 jlen = (*env)->GetStringLength(env, filename);
114 filename_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc,
115 sizeof(char), len + 1);
116 if (filename_str == NULL) {
117 JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
118 return JNI_FALSE;
119 }
120 if (!init_method(env, this) ) {
121 free(filename_str);
122 return JNI_FALSE;
123 }
124 (*env)->GetStringUTFRegion(env, filename, 0, jlen, filename_str);
125 jboolean result = gtk->get_file_icon_data(env, filename_str, error,
126 icon_upcall_method, this);
127
128 /* Release the strings we've allocated. */
129 free(filename_str);
130
131 return result;
132 }
133
134 /*
135 * Class: sun_awt_UNIXToolkit
136 * Method: load_stock_icon
137 * Signature: (ILjava/lang/String;IILjava/lang/String;)Z
138 *
139 * This method assumes that GTK libs are present.
140 */
141 JNIEXPORT jboolean JNICALL
142 Java_sun_awt_UNIXToolkit_load_1stock_1icon(JNIEnv *env, jobject this,
143 jint widget_type, jstring stock_id, jint icon_size,
144 jint text_direction, jstring detail)
145 {
146 int len;
147 jsize jlen;
148 char *stock_id_str = NULL;
149 char *detail_str = NULL;
150 jboolean result = JNI_FALSE;
151
152 if (stock_id == NULL)
153 {
154 return JNI_FALSE;
155 }
156
157 len = (*env)->GetStringUTFLength(env, stock_id);
158 jlen = (*env)->GetStringLength(env, stock_id);
159 stock_id_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc,
160 sizeof(char), len + 1);
161 if (stock_id_str == NULL) {
162 JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
163 return JNI_FALSE;
164 }
165 (*env)->GetStringUTFRegion(env, stock_id, 0, jlen, stock_id_str);
166
167 /* Detail isn't required so check for NULL. */
168 if (detail != NULL)
169 {
170 len = (*env)->GetStringUTFLength(env, detail);
171 jlen = (*env)->GetStringLength(env, detail);
172 detail_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc,
173 sizeof(char), len + 1);
174 if (detail_str == NULL) {
175 free(stock_id_str);
176 JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
177 return JNI_FALSE;
178 }
179 (*env)->GetStringUTFRegion(env, detail, 0, jlen, detail_str);
180 }
181
182 if (init_method(env, this)) {
183 result = gtk->get_icon_data(env, widget_type, stock_id_str,
184 icon_size, text_direction, detail_str,
185 icon_upcall_method, this);
186 }
187 /* Release the strings we've allocated. */
188 free(stock_id_str);
189 free(detail_str);
190
191 return result;
192 }
193
194 /*
195 * Class: sun_awt_UNIXToolkit
196 * Method: nativeSync
197 * Signature: ()V
198 */
199 JNIEXPORT void JNICALL
200 Java_sun_awt_UNIXToolkit_nativeSync(JNIEnv *env, jobject this)
201 {
202 AWT_LOCK();
203 XSync(awt_display, False);
204 AWT_UNLOCK();
205 }
206
207 /*
208 * Class: sun_awt_SunToolkit
209 * Method: closeSplashScreen
210 * Signature: ()V
211 */
212 JNIEXPORT void JNICALL
213 Java_sun_awt_SunToolkit_closeSplashScreen(JNIEnv *env, jclass cls)
214 {
215 typedef void (*SplashClose_t)();
216 SplashClose_t splashClose;
217 void* hSplashLib = dlopen(0, RTLD_LAZY);
218 if (!hSplashLib) {
219 return;
220 }
221 splashClose = (SplashClose_t)dlsym(hSplashLib,
222 "SplashClose");
223 if (splashClose) {
224 splashClose();
225 }
226 dlclose(hSplashLib);
227 }
228
229 /*
230 * Class: sun_awt_UNIXToolkit
231 * Method: gtkCheckVersionImpl
232 * Signature: (III)Ljava/lang/String;
233 */
234 JNIEXPORT jboolean JNICALL
235 Java_sun_awt_UNIXToolkit_gtkCheckVersionImpl(JNIEnv *env, jobject this,
236 jint major, jint minor, jint micro)
237 {
238 char *ret;
239
240 ret = gtk->gtk_check_version(major, minor, micro);
241 if (ret == NULL) {
242 return TRUE;
243 }
244
245 return FALSE;
246 }
247
248 /*
249 * Class: sun_awt_UNIXToolkit
250 * Method: get_gtk_version
251 * Signature: ()I
252 */
253 JNIEXPORT jint JNICALL
254 Java_sun_awt_UNIXToolkit_get_1gtk_1version(JNIEnv *env, jclass klass)
255 {
256 return gtk ? gtk->version : GTK_ANY;
257 }