e-util/gal-a11y-factory.h

   1 /*
   2  * This program is free software; you can redistribute it and/or modify it
   3  * under the terms of the GNU Lesser General Public License as published by
   4  * the Free Software Foundation.
   5  *
   6  * This program is distributed in the hope that it will be useful, but
   7  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   8  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   9  * for more details.
  10  *
  11  * You should have received a copy of the GNU Lesser General Public License
  12  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  13  *
  14  *
  15  * Authors:
  16  *              Gilbert Fang <gilbert.fang@sun.com>
  17  *
  18  * This file is mainly from the gailfactory.h of GAIL.
  19  *
  20  * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
  21  *
  22  */
  23
  24 #if !defined (__E_UTIL_H_INSIDE__) && !defined (LIBEUTIL_COMPILATION)
  25 #error "Only <e-util/e-util.h> should be included directly."
  26 #endif
  27
  28 #ifndef _GAL_A11Y_FACTORY_H__
  29 #define _GAL_A11Y_FACTORY_H__
  30
  31 #include <atk/atkobject.h>
  32 #include <atk/atkobjectfactory.h>
  33
  34 #define GAL_A11Y_FACTORY(type, type_as_function, opt_create_accessible) \
  35  \
  36 static GType \
  37 type_as_function ## _factory_get_accessible_type (void) \
  38 { \
  39   return type; \
  40 } \
  41  \
  42 static AtkObject * \
  43 type_as_function ## _factory_create_accessible (GObject *obj) \
  44 { \
  45   GtkWidget *widget; \
  46   AtkObject *accessible; \
  47  \
  48   g_return_val_if_fail (GTK_IS_WIDGET (obj), NULL); \
  49  \
  50   widget = GTK_WIDGET (obj); \
  51  \
  52   accessible = opt_create_accessible (widget); \
  53  \
  54   return accessible; \
  55 } \
  56  \
  57 static void \
  58 type_as_function ## _factory_class_init (AtkObjectFactoryClass *klass) \
  59 { \
  60   klass->create_accessible = type_as_function ## _factory_create_accessible; \
  61   klass->get_accessible_type = type_as_function ## _factory_get_accessible_type;\
  62 } \
  63  \
  64 static GType \
  65 type_as_function ## _factory_get_type (void) \
  66 { \
  67   static GType t = 0; \
  68  \
  69   if (!t) \
  70   { \
  71     gchar *name; \
  72     static const GTypeInfo tinfo = \
  73     { \
  74       sizeof (AtkObjectFactoryClass), \
  75       NULL, NULL, (GClassInitFunc) type_as_function ## _factory_class_init, \
  76       NULL, NULL, sizeof (AtkObjectFactory), 0, NULL, NULL \
  77     }; \
  78  \
  79     name = g_strconcat (g_type_name (type), "Factory", NULL); \
  80     t = g_type_register_static ( \
  81             ATK_TYPE_OBJECT_FACTORY, name, &tinfo, 0); \
  82     g_free (name); \
  83   } \
  84  \
  85   return t; \
  86 }
  87
  88 #endif /* _GAL_A11Y_FACTORY_H__ */