Blame gtk/gtktypeutils.c

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/* GTK - The GIMP Toolkit
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 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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/*
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 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
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 * file for a list of people on the GTK+ Team.  See the ChangeLog
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 * files for a list of changes.  These files are distributed with
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 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
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 */
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#undef GTK_DISABLE_DEPRECATED
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#include "config.h"
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#include <string.h> /* strcmp */
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#include "gtktypeutils.h"
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#include "gtkobject.h"
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#include "gtkintl.h"
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#include "gtkalias.h"
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/* --- functions --- */
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GtkType
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gtk_type_unique (GtkType            parent_type,
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		 const GtkTypeInfo *gtkinfo)
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{
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  GTypeInfo tinfo = { 0, };
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  g_return_val_if_fail (GTK_TYPE_IS_OBJECT (parent_type), 0);
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  g_return_val_if_fail (gtkinfo != NULL, 0);
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  g_return_val_if_fail (gtkinfo->type_name != NULL, 0);
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  g_return_val_if_fail (g_type_from_name (gtkinfo->type_name) == 0, 0);
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  tinfo.class_size = gtkinfo->class_size;
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  tinfo.base_init = gtkinfo->base_class_init_func;
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  tinfo.base_finalize = NULL;
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  tinfo.class_init = (GClassInitFunc) gtkinfo->class_init_func;
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  tinfo.class_finalize = NULL;
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  tinfo.class_data = NULL;
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  tinfo.instance_size = gtkinfo->object_size;
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  tinfo.n_preallocs = 0;
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  tinfo.instance_init = gtkinfo->object_init_func;
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  return g_type_register_static (parent_type, gtkinfo->type_name, &tinfo, 0);
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}
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/**
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 * gtk_type_class
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 * @type: a #GtkType.
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 *
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 * Returns a pointer pointing to the class of @type or %NULL if there
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 * was any trouble identifying @type.  Initializes the class if
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 * necessary.
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 *
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 * Returns: pointer to the class.
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 *
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 * Deprecated: 2.14: Use g_type_class_peek() or g_type_class_ref() instead.
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 **/
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gpointer
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gtk_type_class (GtkType type)
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{
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  static GQuark quark_static_class = 0;
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  gpointer class;
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  if (!G_TYPE_IS_ENUM (type) && !G_TYPE_IS_FLAGS (type))
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    g_return_val_if_fail (G_TYPE_IS_OBJECT (type), NULL);
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  /* ok, this is a bit ugly, GLib reference counts classes,
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   * and gtk_type_class() used to always return static classes.
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   * while we coud be faster with just peeking the glib class
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   * for the normal code path, we can't be sure that that
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   * class stays around (someone else might be holding the
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   * reference count and is going to drop it later). so to
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   * ensure that Gtk actually holds a static reference count
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   * on the class, we use GType qdata to store referenced
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   * classes, and only return those.
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   */
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  class = g_type_get_qdata (type, quark_static_class);
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  if (!class)
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    {
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      if (!quark_static_class)
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	quark_static_class = g_quark_from_static_string ("GtkStaticTypeClass");
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      class = g_type_class_ref (type);
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      g_assert (class != NULL);
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      g_type_set_qdata (type, quark_static_class, class);
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    }
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  return class;
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}
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gpointer
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gtk_type_new (GtkType type)
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{
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  gpointer object;
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  g_return_val_if_fail (GTK_TYPE_IS_OBJECT (type), NULL);
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  object = g_object_new (type, NULL);
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  return object;
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}
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void
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gtk_type_init (GTypeDebugFlags debug_flags)
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{
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  static gboolean initialized = FALSE;
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  if (!initialized)
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    {
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      GType unused;
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      initialized = TRUE;
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      /* initialize GLib type system
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       */
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      g_type_init_with_debug_flags (debug_flags);
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      /* GTK_TYPE_OBJECT
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       */
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      unused = gtk_object_get_type ();
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    }
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}
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GType
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gtk_identifier_get_type (void)
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{
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  static GType our_type = 0;
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  if (our_type == 0)
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    {
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      GTypeInfo tinfo = { 0, };
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      our_type = g_type_register_static (G_TYPE_STRING, I_("GtkIdentifier"), &tinfo, 0);
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    }
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  return our_type;
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}
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GtkEnumValue*
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gtk_type_enum_get_values (GtkType enum_type)
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{
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  GEnumClass *class;
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  g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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  class = gtk_type_class (enum_type);
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  return class->values;
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}
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GtkFlagValue*
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gtk_type_flags_get_values (GtkType flags_type)
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{
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  GFlagsClass *class;
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  g_return_val_if_fail (G_TYPE_IS_FLAGS (flags_type), NULL);
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  class = gtk_type_class (flags_type);
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  return class->values;
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}
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GtkEnumValue*
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gtk_type_enum_find_value (GtkType      enum_type,
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			  const gchar *value_name)
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{
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  GtkEnumValue *value;
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  GEnumClass *class;
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  g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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  g_return_val_if_fail (value_name != NULL, NULL);
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  class = gtk_type_class (enum_type);
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  value = g_enum_get_value_by_name (class, value_name);
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  if (!value)
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    value = g_enum_get_value_by_nick (class, value_name);
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  return value;
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}
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GtkFlagValue*
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gtk_type_flags_find_value (GtkType      flags_type,
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			   const gchar *value_name)
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{
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  GtkFlagValue *value;
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  GFlagsClass *class;
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  g_return_val_if_fail (G_TYPE_IS_FLAGS (flags_type), NULL);
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  g_return_val_if_fail (value_name != NULL, NULL);
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  class = gtk_type_class (flags_type);
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  value = g_flags_get_value_by_name (class, value_name);
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  if (!value)
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    value = g_flags_get_value_by_nick (class, value_name);
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  return value;
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}
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#define __GTK_TYPE_UTILS_C__
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#include "gtkaliasdef.c"