libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMainThread.c

   1 /* gtkmainthread.c -- Native implementation of GtkMainThread
   2    Copyright (C) 1998, 1999, 2002 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 #include "gtkpeer.h"
  40 #include "gnu_java_awt_peer_gtk_GtkMainThread.h"
  41 #include "gthread-jni.h"
  42
  43 #ifdef JVM_SUN
  44   struct state_table *native_state_table;
  45   struct state_table *native_global_ref_table;
  46 #endif
  47
  48 jmethodID setBoundsCallbackID;
  49
  50 jmethodID postActionEventID;
  51 jmethodID postMenuActionEventID;
  52 jmethodID postMouseEventID;
  53 jmethodID postConfigureEventID;
  54 jmethodID postExposeEventID;
  55 jmethodID postKeyEventID;
  56 jmethodID postFocusEventID;
  57 jmethodID postAdjustmentEventID;
  58 jmethodID postItemEventID;
  59 jmethodID choicePostItemEventID;
  60 jmethodID postListItemEventID;
  61 jmethodID postTextEventID;
  62 jmethodID postWindowEventID;
  63
  64 JNIEnv *gdk_env;
  65
  66 #ifdef PORTABLE_NATIVE_SYNC
  67 JavaVM *gdk_vm;
  68 #endif
  69
  70 GtkWindowGroup *global_gtk_window_group;
  71
  72 /*
  73  * Call gtk_init.  It is very important that this happen before any other
  74  * gtk calls.
  75  */
  76
  77 JNIEXPORT void JNICALL
  78 Java_gnu_java_awt_peer_gtk_GtkMainThread_gtkInit (JNIEnv *env, jclass clazz)
  79 {
  80   int argc = 1;
  81   char **argv;
  82   char *homedir, *rcpath = NULL;
  83 /*    jclass gtkgenericpeer; */
  84   jclass gtkcomponentpeer, gtkchoicepeer, gtkwindowpeer, gtkscrollbarpeer, gtklistpeer,
  85     gtkmenuitempeer, gtktextcomponentpeer, window;
  86
  87   NSA_INIT (env, clazz);
  88
  89   /* GTK requires a program's argc and argv variables, and requires that they
  90      be valid.  */
  91
  92   argv = (char **) malloc (sizeof (char *) * 2);
  93   argv[0] = "";
  94   argv[1] = NULL;
  95
  96   /* until we have JDK 1.2 JNI, assume we have a VM with threads that
  97      match what GLIB was compiled for */
  98 #ifdef PORTABLE_NATIVE_SYNC
  99   (*env)->GetJavaVM( env, &gdk_vm );
 100   g_thread_init ( &g_thread_jni_functions );
 101   printf("called gthread init\n");
 102 #else
 103   g_thread_init ( NULL );
 104 #endif
 105
 106   /* From GDK 2.0 onwards we have to explicitly call gdk_threads_init */
 107   gdk_threads_init();
 108
 109   gtk_init (&argc, &argv);
 110
 111   gdk_rgb_init ();
 112   gtk_widget_set_default_colormap (gdk_rgb_get_cmap ());
 113   gtk_widget_set_default_visual (gdk_rgb_get_visual ());
 114
 115   /* Make sure queued calls don't get sent to GTK/GDK while
 116      we're shutting down. */
 117   atexit (gdk_threads_enter);
 118
 119   gdk_env = env;
 120   gdk_event_handler_set ((GdkEventFunc)awt_event_handler, NULL, NULL);
 121
 122   if ((homedir = getenv ("HOME")))
 123     {
 124       rcpath = (char *) malloc (strlen (homedir) + strlen (RC_FILE) + 2);
 125       sprintf (rcpath, "%s/%s", homedir, RC_FILE);
 126     }
 127
 128   gtk_rc_parse ((rcpath) ? rcpath : RC_FILE);
 129
 130   if (rcpath)
 131     free (rcpath);
 132
 133   free (argv);
 134
 135   /* setup cached IDs for posting GTK events to Java */
 136 /*    gtkgenericpeer = (*env)->FindClass (env,  */
 137 /*                                    "gnu/java/awt/peer/gtk/GtkGenericPeer"); */
 138
 139   window = (*env)->FindClass (env, "java/awt/Window");
 140
 141   gtkcomponentpeer = (*env)->FindClass (env,
 142                                      "gnu/java/awt/peer/gtk/GtkComponentPeer");
 143   gtkchoicepeer = (*env)->FindClass (env,
 144                                      "gnu/java/awt/peer/gtk/GtkChoicePeer");
 145   gtkwindowpeer = (*env)->FindClass (env,
 146                                      "gnu/java/awt/peer/gtk/GtkWindowPeer");
 147   gtkscrollbarpeer = (*env)->FindClass (env,
 148                                      "gnu/java/awt/peer/gtk/GtkScrollbarPeer");
 149   gtklistpeer = (*env)->FindClass (env, "gnu/java/awt/peer/gtk/GtkListPeer");
 150   gtkmenuitempeer = (*env)->FindClass (env,
 151                                      "gnu/java/awt/peer/gtk/GtkMenuItemPeer");
 152   gtktextcomponentpeer = (*env)->FindClass (env,
 153                                      "gnu/java/awt/peer/gtk/GtkTextComponentPeer");
 154 /*    gdkColor = (*env)->FindClass (env, */
 155 /*                              "gnu/java/awt/peer/gtk/GdkColor"); */
 156 /*    gdkColorID = (*env)->GetMethodID (env, gdkColor, "<init>", "(III)V"); */
 157 /*    postActionEventID = (*env)->GetMethodID (env, gtkgenericpeer,  */
 158 /*                                         "postActionEvent",  */
 159 /*                                         "(Ljava/lang/String;I)V"); */
 160
 161   setBoundsCallbackID = (*env)->GetMethodID (env, window,
 162                                              "setBoundsCallback",
 163                                              "(IIII)V");
 164
 165   postMenuActionEventID = (*env)->GetMethodID (env, gtkmenuitempeer,
 166                                                "postMenuActionEvent",
 167                                                "()V");
 168   postMouseEventID = (*env)->GetMethodID (env, gtkcomponentpeer,
 169                                           "postMouseEvent", "(IJIIIIZ)V");
 170   postConfigureEventID = (*env)->GetMethodID (env, gtkwindowpeer,
 171                                           "postConfigureEvent", "(IIIIIIII)V");
 172   postWindowEventID = (*env)->GetMethodID (env, gtkwindowpeer,
 173                                            "postWindowEvent",
 174                                            "(ILjava/awt/Window;I)V");
 175   postExposeEventID = (*env)->GetMethodID (env, gtkcomponentpeer,
 176                                           "postExposeEvent", "(IIII)V");
 177   postKeyEventID = (*env)->GetMethodID (env, gtkcomponentpeer,
 178                                         "postKeyEvent", "(IJIICI)V");
 179   postFocusEventID = (*env)->GetMethodID (env, gtkcomponentpeer,
 180                                           "postFocusEvent", "(IZ)V");
 181   postAdjustmentEventID = (*env)->GetMethodID (env, gtkscrollbarpeer,
 182                                                "postAdjustmentEvent",
 183                                                "(II)V");
 184   postItemEventID = (*env)->GetMethodID (env, gtkcomponentpeer,
 185                                          "postItemEvent",
 186                                          "(Ljava/lang/Object;I)V");
 187   choicePostItemEventID = (*env)->GetMethodID (env, gtkchoicepeer,
 188                                          "choicePostItemEvent",
 189                                          "(Ljava/lang/String;I)V");
 190   postListItemEventID = (*env)->GetMethodID (env, gtklistpeer,
 191                                              "postItemEvent",
 192                                              "(II)V");
 193   postTextEventID = (*env)->GetMethodID (env, gtktextcomponentpeer,
 194                                              "postTextEvent",
 195                                              "()V");
 196   global_gtk_window_group = gtk_window_group_new ();
 197 }
 198
 199 /*
 200  * Run gtk_main and block.
 201  */
 202 JNIEXPORT void JNICALL
 203 Java_gnu_java_awt_peer_gtk_GtkMainThread_gtkMain
 204   (JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
 205 {
 206   gdk_threads_enter ();
 207   gtk_main ();
 208   gdk_threads_leave ();
 209 }