 4628759d3b
			
		
	
	4628759d3b
	
	
	
		
			
			Sat Jan 17 23:52:40 1998 Owen Taylor <owt1@cornell.edu> * gstring.{c,h} gscanner.c: renamed g_string_equal => g_str_equal renamed g_string_hash => g_str_hash And const corrected. Old functions left in for now.
		
			
				
	
	
		
			1244 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1244 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* GTK - The GIMP Toolkit
 | |
|  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 | |
|  *
 | |
|  * This library is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU Library General Public
 | |
|  * License as published by the Free Software Foundation; either
 | |
|  * version 2 of the License, or (at your option) any later version.
 | |
|  *
 | |
|  * This library is distributed in the hope that it will be useful,
 | |
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
|  * Library General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU Library General Public
 | |
|  * License along with this library; if not, write to the Free
 | |
|  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 | |
|  */
 | |
| #include <stdarg.h>
 | |
| #include <string.h>
 | |
| #include "gtkobject.h"
 | |
| #include "gtksignal.h"
 | |
| 
 | |
| 
 | |
| #define OBJECT_DATA_ID_CHUNK  1024
 | |
| 
 | |
| 
 | |
| enum {
 | |
|   DESTROY,
 | |
|   LAST_SIGNAL
 | |
| };
 | |
| enum {
 | |
|   ARG_0,
 | |
|   ARG_USER_DATA,
 | |
|   ARG_SIGNAL,
 | |
|   ARG_OBJECT_SIGNAL
 | |
| };
 | |
| 
 | |
| 
 | |
| typedef struct _GtkObjectData  GtkObjectData;
 | |
| typedef struct _GtkArgInfo     GtkArgInfo;
 | |
| 
 | |
| struct _GtkObjectData
 | |
| {
 | |
|   guint id;
 | |
|   gpointer data;
 | |
|   GtkObjectData *next;
 | |
| };
 | |
| 
 | |
| struct _GtkArgInfo
 | |
| {
 | |
|   char *name;
 | |
|   GtkType type;
 | |
|   GtkType class_type;
 | |
|   guint arg_id;
 | |
| };
 | |
| 
 | |
| 
 | |
| static void           gtk_object_class_init    (GtkObjectClass *klass);
 | |
| static void           gtk_object_init          (GtkObject      *object);
 | |
| static void           gtk_object_set_arg       (GtkObject      *object,
 | |
| 						GtkArg         *arg,
 | |
| 						guint		arg_id);
 | |
| static void           gtk_object_get_arg       (GtkObject      *object,
 | |
| 						GtkArg         *arg,
 | |
| 						guint		arg_id);
 | |
| static void           gtk_real_object_destroy  (GtkObject      *object);
 | |
| static void           gtk_object_data_init     (void);
 | |
| static GtkObjectData* gtk_object_data_new      (void);
 | |
| static void           gtk_object_data_destroy  (GtkObjectData  *odata);
 | |
| static guint*         gtk_object_data_id_alloc (void);
 | |
| GtkArg*               gtk_object_collect_args  (guint   *nargs,
 | |
| 						va_list  args1,
 | |
| 						va_list  args2);
 | |
| 
 | |
| 
 | |
| static gint object_signals[LAST_SIGNAL] = { 0 };
 | |
| 
 | |
| static gint object_data_init = TRUE;
 | |
| static GHashTable *object_data_ht = NULL;
 | |
| static GMemChunk *object_data_mem_chunk = NULL;
 | |
| static GtkObjectData *object_data_free_list = NULL;
 | |
| static GSList *object_data_id_list = NULL;
 | |
| static gint object_data_id_index = 0;
 | |
| 
 | |
| static GHashTable *arg_info_ht = NULL;
 | |
| 
 | |
| static const char *user_data_key = "user_data";
 | |
| 
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_get_type:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *     The type identifier for GtkObject's
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_init_type ()
 | |
| {
 | |
|   GtkType object_type = 0;
 | |
|   GtkTypeInfo object_info =
 | |
|   {
 | |
|     "GtkObject",
 | |
|     sizeof (GtkObject),
 | |
|     sizeof (GtkObjectClass),
 | |
|     (GtkClassInitFunc) gtk_object_class_init,
 | |
|     (GtkObjectInitFunc) gtk_object_init,
 | |
|     gtk_object_set_arg,
 | |
|     gtk_object_get_arg,
 | |
|   };
 | |
| 
 | |
|   object_type = gtk_type_unique (0, &object_info);
 | |
|   g_assert (object_type == GTK_TYPE_OBJECT);
 | |
| }
 | |
| 
 | |
| GtkType
 | |
| gtk_object_get_type ()
 | |
| {
 | |
|   return GTK_TYPE_OBJECT;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_class_init:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| static void
 | |
| gtk_object_class_init (GtkObjectClass *class)
 | |
| {
 | |
|   class->signals = NULL;
 | |
|   class->nsignals = 0;
 | |
| 
 | |
|   gtk_object_add_arg_type ("GtkObject::user_data", GTK_TYPE_POINTER, ARG_USER_DATA);
 | |
|   gtk_object_add_arg_type ("GtkObject::signal", GTK_TYPE_SIGNAL, ARG_SIGNAL);
 | |
|   gtk_object_add_arg_type ("GtkObject::object_signal", GTK_TYPE_SIGNAL, ARG_OBJECT_SIGNAL);
 | |
| 
 | |
|   object_signals[DESTROY] =
 | |
|     gtk_signal_new ("destroy",
 | |
|                     GTK_RUN_LAST,
 | |
|                     class->type,
 | |
|                     GTK_SIGNAL_OFFSET (GtkObjectClass, destroy),
 | |
|                     gtk_signal_default_marshaller,
 | |
| 		    GTK_TYPE_NONE, 0);
 | |
| 
 | |
|   gtk_object_class_add_signals (class, object_signals, LAST_SIGNAL);
 | |
| 
 | |
|   class->destroy = gtk_real_object_destroy;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_init:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| static void
 | |
| gtk_object_init (GtkObject *object)
 | |
| {
 | |
|   object->flags = 0;
 | |
|   object->ref_count = 0;
 | |
|   object->object_data = NULL;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_arg:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| static void
 | |
| gtk_object_set_arg (GtkObject *object,
 | |
| 		    GtkArg    *arg,
 | |
| 		    guint      arg_id)
 | |
| {
 | |
|   switch (arg_id)
 | |
|     {
 | |
|     case ARG_USER_DATA:
 | |
|       gtk_object_set_user_data (object, GTK_VALUE_POINTER (*arg));
 | |
|       break;
 | |
|     case ARG_SIGNAL:
 | |
|       if ((arg->name[9 + 2 + 6] != ':') || (arg->name[9 + 2 + 7] != ':'))
 | |
| 	{
 | |
| 	  g_warning ("invalid signal argument: \"%s\"\n", arg->name);
 | |
| 	  return;
 | |
| 	}
 | |
|       gtk_signal_connect (object, arg->name + 9 + 2 + 6 + 2,
 | |
| 			  (GtkSignalFunc) GTK_VALUE_SIGNAL (*arg).f,
 | |
| 			  GTK_VALUE_SIGNAL (*arg).d);
 | |
|       break;
 | |
|     case ARG_OBJECT_SIGNAL:
 | |
|       if ((arg->name[9 + 2 + 13] != ':') || (arg->name[9 + 2 + 14] != ':'))
 | |
| 	{
 | |
| 	  g_warning ("invalid signal argument: \"%s\"\n", arg->name);
 | |
| 	  return;
 | |
| 	}
 | |
|       gtk_signal_connect_object (object, arg->name + 9 + 2 + 13 + 2,
 | |
| 				 (GtkSignalFunc) GTK_VALUE_SIGNAL (*arg).f,
 | |
| 				 (GtkObject*) GTK_VALUE_SIGNAL (*arg).d);
 | |
|       break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_object_get_arg (GtkObject *object,
 | |
| 		    GtkArg    *arg,
 | |
| 		    guint      arg_id)
 | |
| {
 | |
|   switch (arg_id)
 | |
|     {
 | |
|     case ARG_USER_DATA:
 | |
|       GTK_VALUE_POINTER (*arg) = gtk_object_get_user_data (object);
 | |
|       break;
 | |
|     case ARG_SIGNAL:
 | |
|     case ARG_OBJECT_SIGNAL:
 | |
|     default:
 | |
|       arg->type = GTK_TYPE_INVALID;
 | |
|       break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_class_add_signals:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_class_add_signals (GtkObjectClass *class,
 | |
| 			      gint           *signals,
 | |
| 			      gint            nsignals)
 | |
| {
 | |
|   gint *new_signals;
 | |
|   gint i;
 | |
| 
 | |
|   g_return_if_fail (class != NULL);
 | |
| 
 | |
|   new_signals = g_new (gint, class->nsignals + nsignals);
 | |
|   for (i = 0; i < class->nsignals; i++)
 | |
|     new_signals[i] = class->signals[i];
 | |
|   for (i = 0; i < nsignals; i++)
 | |
|     new_signals[class->nsignals + i] = signals[i];
 | |
| 
 | |
|   /*  g_free (class->signals); FIXME freeing here causes a segfault */
 | |
|   class->signals = new_signals;
 | |
|   class->nsignals += nsignals;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_ref:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_ref (GtkObject *object)
 | |
| {
 | |
|   g_return_if_fail (object != NULL);
 | |
|   g_return_if_fail (GTK_IS_OBJECT (object));
 | |
| 
 | |
|   object->ref_count += 1;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_unref:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_unref (GtkObject *object)
 | |
| {
 | |
|   g_return_if_fail (object != NULL);
 | |
|   g_return_if_fail (GTK_IS_OBJECT (object));
 | |
| 
 | |
|   if (object->ref_count > 0)
 | |
|     object->ref_count -= 1;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_new:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| GtkObject*
 | |
| gtk_object_new (guint type,
 | |
| 		...)
 | |
| {
 | |
|   GtkObject *obj;
 | |
|   GtkArg *args;
 | |
|   guint nargs;
 | |
|   va_list args1;
 | |
|   va_list args2;
 | |
| 
 | |
|   obj = gtk_type_new (type);
 | |
| 
 | |
|   va_start (args1, type);
 | |
|   va_start (args2, type);
 | |
| 
 | |
|   args = gtk_object_collect_args (&nargs, args1, args2);
 | |
|   gtk_object_setv (obj, nargs, args);
 | |
|   g_free (args);
 | |
| 
 | |
|   va_end (args1);
 | |
|   va_end (args2);
 | |
| 
 | |
|   return obj;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_newv:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| GtkObject*
 | |
| gtk_object_newv (guint   type,
 | |
| 		 guint    nargs,
 | |
| 		 GtkArg *args)
 | |
| {
 | |
|   gpointer obj;
 | |
| 
 | |
|   obj = gtk_type_new (type);
 | |
|   gtk_object_setv (obj, nargs, args);
 | |
| 
 | |
|   return obj;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_getv:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_getv (GtkObject           *object,
 | |
| 		 guint		     nargs,
 | |
| 		 GtkArg              *args)
 | |
| {
 | |
|   int i;
 | |
|   
 | |
|   g_return_if_fail (object != NULL);
 | |
|   
 | |
|   if (!arg_info_ht)
 | |
|     return;
 | |
|   
 | |
|   for (i = 0; i < nargs; i++)
 | |
|     {
 | |
|       GtkArgInfo *info;
 | |
|       gchar *lookup_name;
 | |
|       gchar *d;
 | |
|       
 | |
|       
 | |
|       /* hm, the name cutting shouldn't be needed on gets, but what the heck...
 | |
|        */
 | |
|       lookup_name = g_strdup (args[i].name);
 | |
|       d = strchr (lookup_name, ':');
 | |
|       if (d && d[1] == ':')
 | |
| 	{
 | |
| 	  d = strchr (d + 2, ':');
 | |
| 	  if (d)
 | |
| 	    *d = 0;
 | |
| 	  
 | |
| 	  info = g_hash_table_lookup (arg_info_ht, lookup_name);
 | |
| 	}
 | |
|       else
 | |
| 	info = NULL;
 | |
|       
 | |
|       if (!info)
 | |
| 	{
 | |
| 	  g_warning ("invalid arg name: \"%s\"\n", lookup_name);
 | |
| 	  args[i].type = GTK_TYPE_INVALID;
 | |
| 	  g_free (lookup_name);
 | |
| 	  continue;
 | |
| 	}
 | |
|       else if (!gtk_type_is_a (object->klass->type, info->class_type))
 | |
| 	{
 | |
| 	  g_warning ("invalid arg for %s: \"%s\"\n", gtk_type_name (object->klass->type), lookup_name);
 | |
| 	  args[i].type = GTK_TYPE_INVALID;
 | |
| 	  g_free (lookup_name);
 | |
| 	  continue;
 | |
| 	}
 | |
|       else
 | |
| 	g_free (lookup_name);
 | |
| 
 | |
|       args[i].type = info->type;
 | |
|       gtk_type_get_arg (object, info->class_type, &args[i], info->arg_id);
 | |
|     }
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_query_args:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| struct _GtkQueryArgData
 | |
| {
 | |
|   GList *arg_list;
 | |
|   GtkType class_type;
 | |
| };
 | |
| typedef	struct	_GtkQueryArgData	GtkQueryArgData;
 | |
| 
 | |
| static void
 | |
| gtk_query_arg_foreach (gpointer key,
 | |
| 		       gpointer value,
 | |
| 		       gpointer user_data)
 | |
| {
 | |
|   register GtkArgInfo *info;
 | |
|   register GtkQueryArgData *data;
 | |
| 
 | |
|   info = value;
 | |
|   data = user_data;
 | |
| 
 | |
|   if (info->class_type == data->class_type)
 | |
|     data->arg_list = g_list_prepend (data->arg_list, info);
 | |
| }
 | |
| 
 | |
| GtkArg*
 | |
| gtk_object_query_args (GtkType	class_type,
 | |
| 		       guint    *nargs)
 | |
| {
 | |
|   GtkArg *args;
 | |
|   GtkQueryArgData query_data;
 | |
| 
 | |
|   g_return_val_if_fail (nargs != NULL, NULL);
 | |
|   *nargs = 0;
 | |
|   g_return_val_if_fail (gtk_type_is_a (class_type, gtk_object_get_type ()), NULL);
 | |
| 
 | |
|   if (!arg_info_ht)
 | |
|     return NULL;
 | |
| 
 | |
|   query_data.arg_list = NULL;
 | |
|   query_data.class_type = class_type;
 | |
|   g_hash_table_foreach (arg_info_ht, gtk_query_arg_foreach, &query_data);
 | |
| 
 | |
|   if (query_data.arg_list)
 | |
|     {
 | |
|       register GList	*list;
 | |
|       register guint	i;
 | |
| 
 | |
|       list = query_data.arg_list;
 | |
|       
 | |
|       i = g_list_length (list);
 | |
|       args = g_new0 (GtkArg, i);
 | |
|       *nargs = i;
 | |
| 
 | |
|       do
 | |
| 	{
 | |
| 	  GtkArgInfo *info;
 | |
| 
 | |
| 	  i--;
 | |
| 	  info = list->data;
 | |
| 	  list = list->next;
 | |
| 
 | |
| 	  args[i].type = info->type;
 | |
| 	  args[i].name = info->name;
 | |
| 	}
 | |
|       while (i > 0);
 | |
| 
 | |
|       g_assert (list == NULL); /* paranoid */
 | |
| 
 | |
|       g_list_free (query_data.arg_list);
 | |
|     }
 | |
|   else
 | |
|     args = NULL;
 | |
| 
 | |
|   return args;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_set:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_set (GtkObject *object,
 | |
| 		...)
 | |
| {
 | |
|   GtkArg *args;
 | |
|   guint nargs;
 | |
|   va_list args1;
 | |
|   va_list args2;
 | |
| 
 | |
|   g_return_if_fail (object != NULL);
 | |
| 
 | |
|   va_start (args1, object);
 | |
|   va_start (args2, object);
 | |
| 
 | |
|   args = gtk_object_collect_args (&nargs, args1, args2);
 | |
|   gtk_object_setv (object, nargs, args);
 | |
|   g_free (args);
 | |
| 
 | |
|   va_end (args1);
 | |
|   va_end (args2);
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_setv:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_setv (GtkObject *object,
 | |
| 		 guint      nargs,
 | |
| 		 GtkArg    *args)
 | |
| {
 | |
|   int i;
 | |
| 
 | |
|   g_return_if_fail (object != NULL);
 | |
| 
 | |
|   if (!arg_info_ht)
 | |
|     return;
 | |
| 
 | |
|   for (i = 0; i < nargs; i++)
 | |
|     {
 | |
|       GtkArgInfo *info;
 | |
|       gchar *lookup_name;
 | |
|       gchar *d;
 | |
|       gboolean arg_ok;
 | |
| 
 | |
|       lookup_name = g_strdup (args[i].name);
 | |
|       d = strchr (lookup_name, ':');
 | |
|       if (d && d[1] == ':')
 | |
| 	{
 | |
| 	  d = strchr (d + 2, ':');
 | |
| 	  if (d)
 | |
| 	    *d = 0;
 | |
| 
 | |
| 	  info = g_hash_table_lookup (arg_info_ht, lookup_name);
 | |
| 	}
 | |
|       else
 | |
| 	info = NULL;
 | |
| 
 | |
|       arg_ok = TRUE;
 | |
|       
 | |
|       if (!info)
 | |
| 	{
 | |
| 	  g_warning ("invalid arg name: \"%s\"\n", lookup_name);
 | |
| 	  arg_ok = FALSE;
 | |
| 	}
 | |
|       else if (info->type != args[i].type)
 | |
| 	{
 | |
| 	  g_warning ("invalid arg type for: \"%s\"\n", lookup_name);
 | |
| 	  arg_ok = FALSE;
 | |
| 	}
 | |
|       else if (!gtk_type_is_a (object->klass->type, info->class_type))
 | |
| 	{
 | |
| 	  g_warning ("invalid arg for %s: \"%s\"\n", gtk_type_name (object->klass->type), lookup_name);
 | |
| 	  arg_ok = FALSE;
 | |
| 	}
 | |
|       
 | |
|       g_free (lookup_name);
 | |
| 
 | |
|       if (!arg_ok)
 | |
| 	continue;
 | |
| 
 | |
|       gtk_type_set_arg (object, info->class_type, &args[i], info->arg_id);
 | |
|     }
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_add_arg_type:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_add_arg_type (const char *arg_name,
 | |
| 			 GtkType     arg_type,
 | |
| 			 guint	     arg_id)
 | |
| {
 | |
|   GtkArgInfo *info;
 | |
|   gchar class_part[1024];
 | |
|   gchar *arg_part;
 | |
|   GtkType class_type;
 | |
| 
 | |
|   g_return_if_fail (arg_id > 0);
 | |
|   
 | |
|   arg_part = strchr (arg_name, ':');
 | |
|   if (!arg_part || (arg_part[0] != ':') || (arg_part[1] != ':'))
 | |
|     {
 | |
|       g_warning ("invalid arg name: \"%s\"\n", arg_name);
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|   strncpy (class_part, arg_name, (glong) (arg_part - arg_name));
 | |
|   class_part[(glong) (arg_part - arg_name)] = '\0';
 | |
| 
 | |
|   class_type = gtk_type_from_name (class_part);
 | |
|   if (!class_type)
 | |
|     {
 | |
|       g_warning ("invalid class name in arg: \"%s\"\n", arg_name);
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|   info = g_new (GtkArgInfo, 1);
 | |
|   info->name = g_strdup (arg_name);
 | |
|   info->type = arg_type;
 | |
|   info->class_type = class_type;
 | |
|   info->arg_id = arg_id;
 | |
| 
 | |
|   if (!arg_info_ht)
 | |
|     arg_info_ht = g_hash_table_new (g_str_hash, g_str_equal);
 | |
| 
 | |
|   g_hash_table_insert (arg_info_ht, info->name, info);
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_get_arg_type:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| GtkType
 | |
| gtk_object_get_arg_type (const char *arg_name)
 | |
| {
 | |
|   GtkArgInfo *info;
 | |
|   char buffer[1024];
 | |
|   char *t;
 | |
| 
 | |
|   if (!arg_info_ht)
 | |
|     return GTK_TYPE_INVALID;
 | |
| 
 | |
|   t = strchr (arg_name, ':');
 | |
|   if (!t || (t[0] != ':') || (t[1] != ':'))
 | |
|     {
 | |
|       g_warning ("invalid arg name: \"%s\"\n", arg_name);
 | |
|       return GTK_TYPE_INVALID;
 | |
|     }
 | |
| 
 | |
|   t = strchr (t + 2, ':');
 | |
|   if (t)
 | |
|     {
 | |
|       strncpy (buffer, arg_name, (long) (t - arg_name));
 | |
|       buffer[(long) (t - arg_name)] = '\0';
 | |
|       arg_name = buffer;
 | |
|     }
 | |
| 
 | |
|   info = g_hash_table_lookup (arg_info_ht, (gpointer) arg_name);
 | |
|   if (info)
 | |
|     return info->type;
 | |
| 
 | |
|   return GTK_TYPE_INVALID;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_destroy:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_destroy (GtkObject *object)
 | |
| {
 | |
|   g_return_if_fail (object != NULL);
 | |
|   g_return_if_fail (GTK_IS_OBJECT (object));
 | |
| 
 | |
|   if ((object->ref_count > 0) || GTK_OBJECT_IN_CALL (object))
 | |
|     {
 | |
|       GTK_OBJECT_SET_FLAGS (object, GTK_NEED_DESTROY);
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       GTK_OBJECT_UNSET_FLAGS (object, GTK_NEED_DESTROY);
 | |
|       GTK_OBJECT_SET_FLAGS (object, GTK_BEING_DESTROYED);
 | |
| 
 | |
|       gtk_signal_emit (object, object_signals[DESTROY]);
 | |
|     }
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_set_data:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_set_data (GtkObject   *object,
 | |
| 		     const gchar *key,
 | |
| 		     gpointer     data)
 | |
| {
 | |
|   GtkObjectData *odata;
 | |
|   GtkObjectData *prev;
 | |
|   guint *id;
 | |
| 
 | |
|   g_return_if_fail (object != NULL);
 | |
|   g_return_if_fail (GTK_IS_OBJECT (object));
 | |
|   g_return_if_fail (key != NULL);
 | |
| 
 | |
|   if (object_data_init)
 | |
|     gtk_object_data_init ();
 | |
| 
 | |
|   id = g_hash_table_lookup (object_data_ht, (gpointer) key);
 | |
| 
 | |
|   if (!data)
 | |
|     {
 | |
|       if (id)
 | |
| 	{
 | |
| 	  prev = NULL;
 | |
| 	  odata = object->object_data;
 | |
| 
 | |
| 	  while (odata)
 | |
| 	    {
 | |
| 	      if (odata->id == *id)
 | |
| 		{
 | |
| 		  if (prev)
 | |
| 		    prev->next = odata->next;
 | |
| 		  if (odata == object->object_data)
 | |
| 		    object->object_data = odata->next;
 | |
| 
 | |
| 		  gtk_object_data_destroy (odata);
 | |
| 		  break;
 | |
| 		}
 | |
| 
 | |
| 	      prev = odata;
 | |
| 	      odata = odata->next;
 | |
| 	    }
 | |
| 	}
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       if (!id)
 | |
| 	{
 | |
| 	  id = gtk_object_data_id_alloc ();
 | |
| 	  g_hash_table_insert (object_data_ht, (gpointer) key, id);
 | |
| 	}
 | |
| 
 | |
|       odata = object->object_data;
 | |
|       while (odata)
 | |
| 	{
 | |
| 	  if (odata->id == *id)
 | |
| 	    {
 | |
| 	      odata->data = data;
 | |
| 	      return;
 | |
| 	    }
 | |
| 
 | |
| 	  odata = odata->next;
 | |
| 	}
 | |
| 
 | |
|       odata = gtk_object_data_new ();
 | |
|       odata->id = *id;
 | |
|       odata->data = data;
 | |
| 
 | |
|       odata->next = object->object_data;
 | |
|       object->object_data = odata;
 | |
|     }
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_get_data:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| gpointer
 | |
| gtk_object_get_data (GtkObject   *object,
 | |
| 		     const gchar *key)
 | |
| {
 | |
|   GtkObjectData *odata;
 | |
|   guint *id;
 | |
| 
 | |
|   g_return_val_if_fail (object != NULL, NULL);
 | |
|   g_return_val_if_fail (GTK_IS_OBJECT (object), NULL);
 | |
|   g_return_val_if_fail (key != NULL, NULL);
 | |
| 
 | |
|   if (object_data_init)
 | |
|     gtk_object_data_init ();
 | |
| 
 | |
|   id = g_hash_table_lookup (object_data_ht, (gpointer) key);
 | |
|   if (id)
 | |
|     {
 | |
|       odata = object->object_data;
 | |
|       while (odata)
 | |
| 	{
 | |
| 	  if (odata->id == *id)
 | |
| 	    return odata->data;
 | |
| 	  odata = odata->next;
 | |
| 	}
 | |
|     }
 | |
| 
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_remove_data:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_remove_data (GtkObject   *object,
 | |
| 			const gchar *key)
 | |
| {
 | |
|   g_return_if_fail (object != NULL);
 | |
|   g_return_if_fail (GTK_IS_OBJECT (object));
 | |
|   g_return_if_fail (key != NULL);
 | |
| 
 | |
|   gtk_object_set_data (object, key, NULL);
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_set_user_data:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| void
 | |
| gtk_object_set_user_data (GtkObject *object,
 | |
| 			  gpointer   data)
 | |
| {
 | |
|   g_return_if_fail (object != NULL);
 | |
|   g_return_if_fail (GTK_IS_OBJECT (object));
 | |
| 
 | |
|   gtk_object_set_data (object, user_data_key, data);
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_get_user_data:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| gpointer
 | |
| gtk_object_get_user_data (GtkObject *object)
 | |
| {
 | |
|   g_return_val_if_fail (object != NULL, NULL);
 | |
|   g_return_val_if_fail (GTK_IS_OBJECT (object), NULL);
 | |
| 
 | |
|   return gtk_object_get_data (object, user_data_key);
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_check_cast:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| GtkObject*
 | |
| gtk_object_check_cast (GtkObject *obj,
 | |
| 		       GtkType    cast_type)
 | |
| {
 | |
|   if (obj && obj->klass && !gtk_type_is_a (obj->klass->type, cast_type))
 | |
|     {
 | |
|       gchar *from_name = gtk_type_name (obj->klass->type);
 | |
|       gchar *to_name = gtk_type_name (cast_type);
 | |
| 
 | |
|       g_warning ("invalid cast from \"%s\" to \"%s\"",
 | |
| 		 from_name ? from_name : "(unknown)",
 | |
| 		 to_name ? to_name : "(unknown)");
 | |
|     }
 | |
| 
 | |
|   return obj;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_check_class_cast:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| GtkObjectClass*
 | |
| gtk_object_check_class_cast (GtkObjectClass *klass,
 | |
| 			     GtkType         cast_type)
 | |
| {
 | |
|   if (klass && !gtk_type_is_a (klass->type, cast_type))
 | |
|     g_warning ("invalid cast from \"%sClass\" to \"%sClass\"",
 | |
| 	       gtk_type_name (klass->type),
 | |
| 	       gtk_type_name (cast_type));
 | |
| 
 | |
|   return klass;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_real_object_destroy:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| static void
 | |
| gtk_real_object_destroy (GtkObject *object)
 | |
| {
 | |
|   GtkObjectData *odata;
 | |
| 
 | |
|   g_return_if_fail (object != NULL);
 | |
|   g_return_if_fail (GTK_IS_OBJECT (object));
 | |
| 
 | |
|   gtk_signal_handlers_destroy (object);
 | |
| 
 | |
|   if (object->object_data)
 | |
|     {
 | |
|       odata = object->object_data;
 | |
|       while (odata->next)
 | |
| 	odata = odata->next;
 | |
| 
 | |
|       odata->next = object_data_free_list;
 | |
|       object_data_free_list = object->object_data;
 | |
|     }
 | |
| 
 | |
|   g_free (object);
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_data_init:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| static void
 | |
| gtk_object_data_init ()
 | |
| {
 | |
|   if (object_data_init)
 | |
|     {
 | |
|       object_data_init = FALSE;
 | |
| 
 | |
|       object_data_ht = g_hash_table_new (g_str_hash, g_str_equal);
 | |
|     }
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_data_new:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| static GtkObjectData*
 | |
| gtk_object_data_new ()
 | |
| {
 | |
|   GtkObjectData *odata;
 | |
| 
 | |
|   if (!object_data_mem_chunk)
 | |
|     object_data_mem_chunk = g_mem_chunk_new ("object data mem chunk",
 | |
| 					     sizeof (GtkObjectData),
 | |
| 					     1024, G_ALLOC_AND_FREE);
 | |
| 
 | |
|   odata = g_chunk_new (GtkObjectData, object_data_mem_chunk);
 | |
| 
 | |
|   odata->id = 0;
 | |
|   odata->data = NULL;
 | |
|   odata->next = NULL;
 | |
| 
 | |
|   return odata;
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_data_destroy:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| static void
 | |
| gtk_object_data_destroy (GtkObjectData *odata)
 | |
| {
 | |
|   g_return_if_fail (odata != NULL);
 | |
| 
 | |
|   g_mem_chunk_free (object_data_mem_chunk, odata);
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_data_id_alloc:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| static guint*
 | |
| gtk_object_data_id_alloc ()
 | |
| {
 | |
|   static guint next_id = 1;
 | |
|   guint *ids;
 | |
| 
 | |
|   if (!object_data_id_list ||
 | |
|       (object_data_id_index == OBJECT_DATA_ID_CHUNK))
 | |
|     {
 | |
|       ids = g_new (guint, OBJECT_DATA_ID_CHUNK);
 | |
|       object_data_id_index = 0;
 | |
|       object_data_id_list = g_slist_prepend (object_data_id_list, ids);
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       ids = object_data_id_list->data;
 | |
|     }
 | |
| 
 | |
|   ids[object_data_id_index] = next_id++;
 | |
|   return &ids[object_data_id_index++];
 | |
| }
 | |
| 
 | |
| /*****************************************
 | |
|  * gtk_object_collect_args:
 | |
|  *
 | |
|  *   arguments:
 | |
|  *
 | |
|  *   results:
 | |
|  *****************************************/
 | |
| 
 | |
| GtkArg*
 | |
| gtk_object_collect_args (guint   *nargs,
 | |
| 			 va_list  args1,
 | |
| 			 va_list  args2)
 | |
| {
 | |
|   GtkArg *args;
 | |
|   GtkType type;
 | |
|   gchar *name;
 | |
|   gint done;
 | |
|   gint i, n;
 | |
| 
 | |
|   n = 0;
 | |
|   done = FALSE;
 | |
| 
 | |
|   while (!done)
 | |
|     {
 | |
|       name = va_arg (args1, char *);
 | |
|       if (!name)
 | |
| 	{
 | |
| 	  done = TRUE;
 | |
| 	  continue;
 | |
| 	}
 | |
| 
 | |
|       type = gtk_object_get_arg_type (name);
 | |
| 
 | |
|       switch (GTK_FUNDAMENTAL_TYPE (type))
 | |
| 	{
 | |
| 	case GTK_TYPE_INVALID:
 | |
| 	  g_warning ("invalid arg name: \"%s\" %x\n", name, type);
 | |
| 	  (void) va_arg (args1, long);
 | |
| 	  continue;
 | |
| 	case GTK_TYPE_NONE:
 | |
| 	  break;
 | |
| 	case GTK_TYPE_CHAR:
 | |
| 	case GTK_TYPE_BOOL:
 | |
| 	case GTK_TYPE_INT:
 | |
| 	case GTK_TYPE_UINT:
 | |
| 	case GTK_TYPE_ENUM:
 | |
| 	case GTK_TYPE_FLAGS:
 | |
| 	  (void) va_arg (args1, gint);
 | |
| 	  break;
 | |
| 	case GTK_TYPE_LONG:
 | |
| 	case GTK_TYPE_ULONG:
 | |
| 	  (void) va_arg (args1, glong);
 | |
| 	  break;
 | |
| 	case GTK_TYPE_FLOAT:
 | |
| 	  (void) va_arg (args1, gfloat);
 | |
| 	  break;
 | |
| 	case GTK_TYPE_DOUBLE:
 | |
| 	  (void) va_arg (args1, gdouble);
 | |
| 	  break;
 | |
| 	case GTK_TYPE_STRING:
 | |
| 	  (void) va_arg (args1, gchar*);
 | |
| 	  break;
 | |
| 	case GTK_TYPE_POINTER:
 | |
| 	case GTK_TYPE_BOXED:
 | |
| 	  (void) va_arg (args1, gpointer);
 | |
| 	  break;
 | |
| 	case GTK_TYPE_SIGNAL:
 | |
| 	  (void) va_arg (args1, GtkFunction);
 | |
| 	  (void) va_arg (args1, gpointer);
 | |
| 	  break;
 | |
| 	case GTK_TYPE_FOREIGN:
 | |
| 	  (void) va_arg (args1, gpointer);
 | |
| 	  (void) va_arg (args1, GtkDestroyNotify);
 | |
| 	  break;
 | |
| 	case GTK_TYPE_CALLBACK:
 | |
| 	  (void) va_arg (args1, GtkCallbackMarshal);
 | |
| 	  (void) va_arg (args1, gpointer);
 | |
| 	  (void) va_arg (args1, GtkDestroyNotify);
 | |
| 	  break;
 | |
| 	case GTK_TYPE_C_CALLBACK:
 | |
| 	  (void) va_arg (args1, GtkFunction);
 | |
| 	  (void) va_arg (args1, gpointer);
 | |
| 	  break;
 | |
| 	case GTK_TYPE_ARGS:
 | |
| 	  (void) va_arg (args1, gint);
 | |
| 	  (void) va_arg (args1, GtkArg*);
 | |
| 	  break;
 | |
| 	case GTK_TYPE_OBJECT:
 | |
| 	  (void) va_arg (args1, GtkObject*);
 | |
| 	  break;
 | |
| 	default:
 | |
| 	  g_error ("unsupported type %s in args", gtk_type_name (type));
 | |
| 	  break;
 | |
| 	}
 | |
| 
 | |
|       n += 1;
 | |
|     }
 | |
| 
 | |
|   *nargs = n;
 | |
|   args = NULL;
 | |
| 
 | |
|   if (n > 0)
 | |
|     {
 | |
|       args = g_new0 (GtkArg, n);
 | |
| 
 | |
|       for (i = 0; i < n; i++)
 | |
| 	{
 | |
| 	  args[i].name = va_arg (args2, char *);
 | |
| 	  args[i].type = gtk_object_get_arg_type (args[i].name);
 | |
| 
 | |
| 	  switch (GTK_FUNDAMENTAL_TYPE (args[i].type))
 | |
| 	    {
 | |
| 	    case GTK_TYPE_INVALID:
 | |
| 	      (void) va_arg (args2, long);
 | |
| 	      i -= 1;
 | |
| 	      continue;
 | |
| 	    case GTK_TYPE_NONE:
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_CHAR:
 | |
| 	      GTK_VALUE_CHAR(args[i]) = va_arg (args2, gint);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_BOOL:
 | |
| 	      GTK_VALUE_BOOL(args[i]) = va_arg (args2, gint);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_INT:
 | |
| 	      GTK_VALUE_INT(args[i]) = va_arg (args2, gint);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_UINT:
 | |
| 	      GTK_VALUE_UINT(args[i]) = va_arg (args2, guint);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_ENUM:
 | |
| 	      GTK_VALUE_ENUM(args[i]) = va_arg (args2, gint);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_FLAGS:
 | |
| 	      GTK_VALUE_FLAGS(args[i]) = va_arg (args2, gint);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_LONG:
 | |
| 	      GTK_VALUE_LONG(args[i]) = va_arg (args2, glong);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_ULONG:
 | |
| 	      GTK_VALUE_ULONG(args[i]) = va_arg (args2, gulong);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_FLOAT:
 | |
| 	      GTK_VALUE_FLOAT(args[i]) = va_arg (args2, gfloat);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_DOUBLE:
 | |
| 	      GTK_VALUE_DOUBLE(args[i]) = va_arg (args2, gdouble);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_STRING:
 | |
| 	      GTK_VALUE_STRING(args[i]) = va_arg (args2, gchar*);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_POINTER:
 | |
| 	      GTK_VALUE_POINTER(args[i]) = va_arg (args2, gpointer);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_BOXED:
 | |
| 	      GTK_VALUE_BOXED(args[i]) = va_arg (args2, gpointer);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_SIGNAL:
 | |
| 	      GTK_VALUE_SIGNAL(args[i]).f = va_arg (args2, GtkFunction);
 | |
| 	      GTK_VALUE_SIGNAL(args[i]).d = va_arg (args2, gpointer);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_FOREIGN:
 | |
| 	      GTK_VALUE_FOREIGN(args[i]).data = va_arg (args2, gpointer);
 | |
| 	      GTK_VALUE_FOREIGN(args[i]).notify =
 | |
| 		va_arg (args2, GtkDestroyNotify);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_CALLBACK:
 | |
| 	      GTK_VALUE_CALLBACK(args[i]).marshal =
 | |
| 		va_arg (args2, GtkCallbackMarshal);
 | |
| 	      GTK_VALUE_CALLBACK(args[i]).data = va_arg (args2, gpointer);
 | |
| 	      GTK_VALUE_CALLBACK(args[i]).notify =
 | |
| 		va_arg (args2, GtkDestroyNotify);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_C_CALLBACK:
 | |
| 	      GTK_VALUE_C_CALLBACK(args[i]).func = va_arg (args2, GtkFunction);
 | |
| 	      GTK_VALUE_C_CALLBACK(args[i]).func_data =
 | |
| 		va_arg (args2, gpointer);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_ARGS:
 | |
| 	      GTK_VALUE_ARGS(args[i]).n_args = va_arg (args2, gint);
 | |
| 	      GTK_VALUE_ARGS(args[i]).args = va_arg (args2, GtkArg*);
 | |
| 	      break;
 | |
| 	    case GTK_TYPE_OBJECT:
 | |
| 	      GTK_VALUE_OBJECT(args[i]) = va_arg (args2, GtkObject*);
 | |
| 	      g_assert (GTK_VALUE_OBJECT(args[i]) == NULL ||
 | |
| 			GTK_CHECK_TYPE (GTK_VALUE_OBJECT(args[i]),
 | |
| 					args[i].type));
 | |
| 	      break;
 | |
| 	    default:
 | |
| 	      g_error ("unsupported type %s in args",
 | |
| 		       gtk_type_name (args[i].type));
 | |
| 	      break;
 | |
| 	    }
 | |
| 	}
 | |
|     }
 | |
| 
 | |
|   return args;
 | |
| }
 |