J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004-2006 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #include <stdlib.h> |
| 27 | #include <string.h> |
| 28 | #include <unistd.h> |
| 29 | #include <dlfcn.h> |
| 30 | |
| 31 | #include <jni.h> |
| 32 | #include "sun_awt_UNIXToolkit.h" |
| 33 | |
| 34 | #ifndef HEADLESS |
| 35 | #include "awt.h" |
| 36 | #include "gtk2_interface.h" |
| 37 | #endif /* !HEADLESS */ |
| 38 | |
| 39 | |
| 40 | static jclass this_class = NULL; |
| 41 | static jmethodID icon_upcall_method = NULL; |
| 42 | |
| 43 | |
| 44 | /* |
| 45 | * Class: sun_awt_UNIXToolkit |
| 46 | * Method: check_gtk |
| 47 | * Signature: ()Z |
| 48 | */ |
| 49 | JNIEXPORT jboolean JNICALL |
| 50 | Java_sun_awt_UNIXToolkit_check_1gtk(JNIEnv *env, jclass klass) |
| 51 | { |
| 52 | #ifndef HEADLESS |
| 53 | return (jboolean)gtk2_check_version(); |
| 54 | #else |
| 55 | return JNI_FALSE; |
| 56 | #endif /* !HEADLESS */ |
| 57 | } |
| 58 | |
| 59 | |
| 60 | /* |
| 61 | * Class: sun_awt_UNIXToolkit |
| 62 | * Method: load_gtk |
| 63 | * Signature: ()Z |
| 64 | */ |
| 65 | JNIEXPORT jboolean JNICALL |
| 66 | Java_sun_awt_UNIXToolkit_load_1gtk(JNIEnv *env, jclass klass) |
| 67 | { |
| 68 | #ifndef HEADLESS |
| 69 | return (jboolean)gtk2_load(); |
| 70 | #else |
| 71 | return JNI_FALSE; |
| 72 | #endif /* !HEADLESS */ |
| 73 | } |
| 74 | |
| 75 | |
| 76 | /* |
| 77 | * Class: sun_awt_UNIXToolkit |
| 78 | * Method: unload_gtk |
| 79 | * Signature: ()Z |
| 80 | */ |
| 81 | JNIEXPORT jboolean JNICALL |
| 82 | Java_sun_awt_UNIXToolkit_unload_1gtk(JNIEnv *env, jclass klass) |
| 83 | { |
| 84 | #ifndef HEADLESS |
| 85 | return (jboolean)gtk2_unload(); |
| 86 | #else |
| 87 | return JNI_FALSE; |
| 88 | #endif /* !HEADLESS */ |
| 89 | } |
| 90 | |
| 91 | jboolean _icon_upcall(JNIEnv *env, jobject this, GdkPixbuf *pixbuf) |
| 92 | { |
| 93 | jboolean result = JNI_FALSE; |
| 94 | |
| 95 | if (this_class == NULL) { |
| 96 | this_class = (*env)->NewGlobalRef(env, |
| 97 | (*env)->GetObjectClass(env, this)); |
| 98 | icon_upcall_method = (*env)->GetMethodID(env, this_class, |
| 99 | "loadIconCallback", "([BIIIIIZ)V"); |
| 100 | } |
| 101 | |
| 102 | if (pixbuf != NULL) |
| 103 | { |
| 104 | guchar *pixbuf_data = (*fp_gdk_pixbuf_get_pixels)(pixbuf); |
| 105 | int row_stride = (*fp_gdk_pixbuf_get_rowstride)(pixbuf); |
| 106 | int width = (*fp_gdk_pixbuf_get_width)(pixbuf); |
| 107 | int height = (*fp_gdk_pixbuf_get_height)(pixbuf); |
| 108 | int bps = (*fp_gdk_pixbuf_get_bits_per_sample)(pixbuf); |
| 109 | int channels = (*fp_gdk_pixbuf_get_n_channels)(pixbuf); |
| 110 | gboolean alpha = (*fp_gdk_pixbuf_get_has_alpha)(pixbuf); |
| 111 | |
| 112 | /* Copy the data array into a Java structure so we can pass it back. */ |
| 113 | jbyteArray data = (*env)->NewByteArray(env, (row_stride * height)); |
| 114 | (*env)->SetByteArrayRegion(env, data, 0, (row_stride * height), |
| 115 | pixbuf_data); |
| 116 | |
| 117 | /* Release the pixbuf. */ |
| 118 | (*fp_g_object_unref)(pixbuf); |
| 119 | |
| 120 | /* Call the callback method to create the image on the Java side. */ |
| 121 | (*env)->CallVoidMethod(env, this, icon_upcall_method, data, |
| 122 | width, height, row_stride, bps, channels, alpha); |
| 123 | result = JNI_TRUE; |
| 124 | } |
| 125 | return result; |
| 126 | } |
| 127 | |
| 128 | /* |
| 129 | * Class: sun_awt_UNIXToolkit |
| 130 | * Method: load_gtk_icon |
| 131 | * Signature: (Ljava/lang/String)Z |
| 132 | * |
| 133 | * This method assumes that GTK libs are present. |
| 134 | */ |
| 135 | JNIEXPORT jboolean JNICALL |
| 136 | Java_sun_awt_UNIXToolkit_load_1gtk_1icon(JNIEnv *env, jobject this, |
| 137 | jstring filename) |
| 138 | { |
| 139 | #ifndef HEADLESS |
| 140 | int len; |
| 141 | char *filename_str = NULL; |
| 142 | GError **error = NULL; |
| 143 | GdkPixbuf *pixbuf; |
| 144 | |
| 145 | if (filename == NULL) |
| 146 | { |
| 147 | return JNI_FALSE; |
| 148 | } |
| 149 | |
| 150 | len = (*env)->GetStringUTFLength(env, filename); |
| 151 | filename_str = (char *)malloc(sizeof(char) * (len + 1)); |
| 152 | if (filename_str == NULL) { |
| 153 | JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError"); |
| 154 | return JNI_FALSE; |
| 155 | } |
| 156 | (*env)->GetStringUTFRegion(env, filename, 0, len, filename_str); |
| 157 | pixbuf = (*fp_gdk_pixbuf_new_from_file)(filename_str, error); |
| 158 | |
| 159 | /* Release the strings we've allocated. */ |
| 160 | free(filename_str); |
| 161 | |
| 162 | return _icon_upcall(env, this, pixbuf); |
| 163 | #else /* HEADLESS */ |
| 164 | return JNI_FALSE; |
| 165 | #endif /* !HEADLESS */ |
| 166 | } |
| 167 | |
| 168 | /* |
| 169 | * Class: sun_awt_UNIXToolkit |
| 170 | * Method: load_stock_icon |
| 171 | * Signature: (ILjava/lang/String;IILjava/lang/String;)Z |
| 172 | * |
| 173 | * This method assumes that GTK libs are present. |
| 174 | */ |
| 175 | JNIEXPORT jboolean JNICALL |
| 176 | Java_sun_awt_UNIXToolkit_load_1stock_1icon(JNIEnv *env, jobject this, |
| 177 | jint widget_type, jstring stock_id, jint icon_size, |
| 178 | jint text_direction, jstring detail) |
| 179 | { |
| 180 | #ifndef HEADLESS |
| 181 | int len; |
| 182 | char *stock_id_str = NULL; |
| 183 | char *detail_str = NULL; |
| 184 | GdkPixbuf *pixbuf; |
| 185 | |
| 186 | if (stock_id == NULL) |
| 187 | { |
| 188 | return JNI_FALSE; |
| 189 | } |
| 190 | |
| 191 | len = (*env)->GetStringUTFLength(env, stock_id); |
| 192 | stock_id_str = (char *)malloc(sizeof(char) * (len + 1)); |
| 193 | if (stock_id_str == NULL) { |
| 194 | JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError"); |
| 195 | return JNI_FALSE; |
| 196 | } |
| 197 | (*env)->GetStringUTFRegion(env, stock_id, 0, len, stock_id_str); |
| 198 | |
| 199 | /* Detail isn't required so check for NULL. */ |
| 200 | if (detail != NULL) |
| 201 | { |
| 202 | len = (*env)->GetStringUTFLength(env, detail); |
| 203 | detail_str = (char *)malloc(sizeof(char) * (len + 1)); |
| 204 | if (detail_str == NULL) { |
| 205 | JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError"); |
| 206 | return JNI_FALSE; |
| 207 | } |
| 208 | (*env)->GetStringUTFRegion(env, detail, 0, len, detail_str); |
| 209 | } |
| 210 | |
| 211 | pixbuf = gtk2_get_stock_icon(widget_type, stock_id_str, icon_size, |
| 212 | text_direction, detail_str); |
| 213 | |
| 214 | /* Release the strings we've allocated. */ |
| 215 | free(stock_id_str); |
| 216 | if (detail_str != NULL) |
| 217 | { |
| 218 | free(detail_str); |
| 219 | } |
| 220 | |
| 221 | return _icon_upcall(env, this, pixbuf); |
| 222 | #else /* HEADLESS */ |
| 223 | return JNI_FALSE; |
| 224 | #endif /* !HEADLESS */ |
| 225 | } |
| 226 | |
| 227 | /* |
| 228 | * Class: sun_awt_UNIXToolkit |
| 229 | * Method: nativeSync |
| 230 | * Signature: ()V |
| 231 | */ |
| 232 | JNIEXPORT void JNICALL |
| 233 | Java_sun_awt_UNIXToolkit_nativeSync(JNIEnv *env, jobject this) |
| 234 | { |
| 235 | #ifndef HEADLESS |
| 236 | AWT_LOCK(); |
| 237 | XSync(awt_display, False); |
| 238 | AWT_UNLOCK(); |
| 239 | #endif /* !HEADLESS */ |
| 240 | } |
| 241 | |
| 242 | /* |
| 243 | * Class: sun_awt_SunToolkit |
| 244 | * Method: closeSplashScreen |
| 245 | * Signature: ()V |
| 246 | */ |
| 247 | JNIEXPORT void JNICALL |
| 248 | Java_sun_awt_SunToolkit_closeSplashScreen(JNIEnv *env, jclass cls) |
| 249 | { |
| 250 | typedef void (*SplashClose_t)(); |
| 251 | SplashClose_t splashClose; |
| 252 | void* hSplashLib = dlopen(0, RTLD_LAZY); |
| 253 | if (!hSplashLib) { |
| 254 | return; |
| 255 | } |
| 256 | splashClose = (SplashClose_t)dlsym(hSplashLib, |
| 257 | "SplashClose"); |
| 258 | if (splashClose) { |
| 259 | splashClose(); |
| 260 | } |
| 261 | dlclose(hSplashLib); |
| 262 | } |