gobject/gtypemodule.h

   1 /* GObject - GLib Type, Object, Parameter and Signal Library
   2  * Copyright (C) 2000 Red Hat, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19 #if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
  20 #error "Only <glib-object.h> can be included directly."
  21 #endif
  22
  23 #ifndef __G_TYPE_MODULE_H__
  24 #define __G_TYPE_MODULE_H__
  25
  26 #include <gobject/gobject.h>
  27 #include <gobject/genums.h>
  28
  29 G_BEGIN_DECLS
  30
  31 typedef struct _GTypeModule      GTypeModule;
  32 typedef struct _GTypeModuleClass GTypeModuleClass;
  33
  34 #define G_TYPE_TYPE_MODULE              (g_type_module_get_type ())
  35 #define G_TYPE_MODULE(module)           (G_TYPE_CHECK_INSTANCE_CAST ((module), G_TYPE_TYPE_MODULE, GTypeModule))
  36 #define G_TYPE_MODULE_CLASS(class)      (G_TYPE_CHECK_CLASS_CAST ((class), G_TYPE_TYPE_MODULE, GTypeModuleClass))
  37 #define G_IS_TYPE_MODULE(module)        (G_TYPE_CHECK_INSTANCE_TYPE ((module), G_TYPE_TYPE_MODULE))
  38 #define G_IS_TYPE_MODULE_CLASS(class)   (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_TYPE_MODULE))
  39 #define G_TYPE_MODULE_GET_CLASS(module) (G_TYPE_INSTANCE_GET_CLASS ((module), G_TYPE_TYPE_MODULE, GTypeModuleClass))
  40
  41 struct _GTypeModule
  42 {
  43   GObject parent_instance;
  44
  45   guint use_count;
  46   GSList *type_infos;
  47   GSList *interface_infos;
  48
  49   /*< public >*/
  50   gchar *name;
  51 };
  52
  53 struct _GTypeModuleClass
  54 {
  55   GObjectClass parent_class;
  56
  57   /*< public >*/
  58   gboolean (* load)   (GTypeModule *module);
  59   void     (* unload) (GTypeModule *module);
  60
  61   /*< private >*/
  62   /* Padding for future expansion */
  63   void (*reserved1) (void);
  64   void (*reserved2) (void);
  65   void (*reserved3) (void);
  66   void (*reserved4) (void);
  67 };
  68
  69 #define G_DEFINE_DYNAMIC_TYPE(TN, t_n, T_P)          G_DEFINE_DYNAMIC_TYPE_EXTENDED (TN, t_n, T_P, 0, {})
  70 #define G_DEFINE_DYNAMIC_TYPE_EXTENDED(TypeName, type_name, TYPE_PARENT, flags, CODE) \
  71 static void     type_name##_init              (TypeName        *self); \
  72 static void     type_name##_class_init        (TypeName##Class *klass); \
  73 static void     type_name##_class_finalize    (TypeName##Class *klass); \
  74 static gpointer type_name##_parent_class = NULL; \
  75 static GType    type_name##_type_id = 0; \
  76 static void     type_name##_class_intern_init (gpointer klass) \
  77 { \
  78   type_name##_parent_class = g_type_class_peek_parent (klass); \
  79   type_name##_class_init ((TypeName##Class*) klass); \
  80 } \
  81 GType \
  82 type_name##_get_type (void) \
  83 { \
  84   return type_name##_type_id; \
  85 } \
  86 static void \
  87 type_name##_register_type (GTypeModule *type_module) \
  88 { \
  89   const GTypeInfo g_define_type_info = { \
  90     sizeof (TypeName##Class), \
  91     (GBaseInitFunc) NULL, \
  92     (GBaseFinalizeFunc) NULL, \
  93     (GClassInitFunc) type_name##_class_intern_init, \
  94     (GClassFinalizeFunc) type_name##_class_finalize, \
  95     NULL,   /* class_data */ \
  96     sizeof (TypeName), \
  97     0,      /* n_preallocs */ \
  98     (GInstanceInitFunc) type_name##_init, \
  99     NULL    /* value_table */ \
 100   }; \
 101   type_name##_type_id = g_type_module_register_type (type_module, \
 102                                                      TYPE_PARENT, \
 103                                                      #TypeName, \
 104                                                      &g_define_type_info, \
 105                                                      (GTypeFlags) flags); \
 106   { CODE ; } \
 107 }
 108
 109
 110 GType    g_type_module_get_type       (void) G_GNUC_CONST;
 111 gboolean g_type_module_use            (GTypeModule          *module);
 112 void     g_type_module_unuse          (GTypeModule          *module);
 113 void     g_type_module_set_name       (GTypeModule          *module,
 114                                        const gchar          *name);
 115 GType    g_type_module_register_type  (GTypeModule          *module,
 116                                        GType                 parent_type,
 117                                        const gchar          *type_name,
 118                                        const GTypeInfo      *type_info,
 119                                        GTypeFlags            flags);
 120 void     g_type_module_add_interface  (GTypeModule          *module,
 121                                        GType                 instance_type,
 122                                        GType                 interface_type,
 123                                        const GInterfaceInfo *interface_info);
 124 GType    g_type_module_register_enum  (GTypeModule          *module,
 125                                        const gchar          *name,
 126                                        const GEnumValue     *const_static_values);
 127 GType    g_type_module_register_flags (GTypeModule          *module,
 128                                        const gchar          *name,
 129                                        const GFlagsValue    *const_static_values);
 130
 131 G_END_DECLS
 132
 133 #endif /* __G_TYPE_MODULE_H__ */