1 /*

     2  * Copyright (c) 1999, 2001, 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 <jni.h>

    31 #include <X11/Xlib.h>

    32 #include <X11/Xutil.h>

    33 #include <awt.h>

    34 #include <awt_p.h>

    35 

    36 /*

    37  * Fix 4221246: Provide utility function for Netscape to use to

    38  * get AWT display, depth, colormap, and number of colors.

    39  *

    40  */

    41 

    42 Display *getAwtDisplay(void)

    43 {

    44   return awt_display;

    45 }

    46 

    47 void getExtAwtData(Display      *display,

    48                    int32_t      screen,

    49                    int32_t      *awt_depth,

    50                    Colormap     *awt_cmap,

    51                    Visual       **awt_visual,

    52                    int32_t      *awt_num_colors,

    53                    void         *pReserved)

    54 {

    55   AwtGraphicsConfigDataPtr defaultConfig = NULL;

    56 

    57 #ifdef DEBUG

    58   if (pReserved != NULL) {

    59     jio_fprintf(stderr,

    60                 "getExtAwtData: warning: reserved pointer is not null\n");

    61   }

    62 #endif

    63 

    64   if (screen >= 0) {

    65     defaultConfig = getDefaultConfig(screen);

    66   }

    67 

    68   if (defaultConfig) {

    69     if (awt_depth != NULL) {

    70       *awt_depth = defaultConfig->awt_depth;

    71     }

    72 

    73     if (awt_cmap != NULL) {

    74       *awt_cmap = defaultConfig->awt_cmap;

    75     }

    76 

    77     if (awt_visual != NULL) {

    78       *awt_visual = defaultConfig->awt_visInfo.visual;

    79     }

    80 

    81     if (awt_num_colors != NULL) {

    82       *awt_num_colors = defaultConfig->awt_num_colors;

    83     }

    84   }

    85 }

    86 

    87 /*

    88  * getAwtData provided for compatibility with Solaris 1.2 Java Plug-in

    89  *

    90  */

    91 void getAwtData(int32_t          *awt_depth,

    92                 Colormap     *awt_cmap,

    93                 Visual       **awt_visual,

    94                 int32_t          *awt_num_colors,

    95                 void         *pReserved)

    96 {

    97   Display *display = getAwtDisplay();

    98 

    99   getExtAwtData(display,

   100                 DefaultScreen(display),

   101                 awt_depth,

   102                 awt_cmap,

   103                 awt_visual,

   104                 awt_num_colors,

   105                 pReserved);

   106 }

   107 

   108 /*

   109  * Fix 4221246: Provide utility funtion for Netscape to get

   110  * function pointers to AWT lock functions.

   111  *

   112  */

   113 

   114 static void awt_lock_wrapper(JNIEnv *env) {

   115   AWT_LOCK();

   116 }

   117 

   118 static void awt_unlock_wrapper(JNIEnv *env) {

   119   AWT_UNLOCK();

   120 }

   121 

   122 static void awt_noflush_unlock_wrapper(JNIEnv *env) {

   123   AWT_NOFLUSH_UNLOCK();

   124 }

   125 

   126 void getAwtLockFunctions(void (**AwtLock)(JNIEnv *),

   127                          void (**AwtUnlock)(JNIEnv *),

   128                          void (**AwtNoFlushUnlock)(JNIEnv *),

   129                          void *pReserved)

   130 {

   131 #ifdef DEBUG

   132   if (pReserved != NULL) {

   133     jio_fprintf(stderr,

   134                 "getAwtLockFunctions: warning: reserved pointer is not null\n");

   135   }

   136 #endif

   137 

   138   if (AwtLock != NULL) {

   139     *AwtLock = awt_lock_wrapper;

   140   }

   141 

   142   if (AwtUnlock != NULL) {

   143     *AwtUnlock = awt_unlock_wrapper;

   144   }

   145 

   146   if (AwtNoFlushUnlock != NULL) {

   147     *AwtNoFlushUnlock = awt_noflush_unlock_wrapper;

   148   }

   149 }