1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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.
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.
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.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
27 #ifndef __GTK_TYPE_UTILS_H__
28 #define __GTK_TYPE_UTILS_H__
31 #include <glib-object.h>
36 #ifndef GTK_DISABLE_DEPRECATED
39 * many of these are just aliases for GLib types to maintain
42 typedef enum /*< skip >*/
44 GTK_TYPE_INVALID = G_TYPE_INVALID,
45 GTK_TYPE_NONE = G_TYPE_NONE,
46 GTK_TYPE_ENUM = G_TYPE_ENUM,
47 GTK_TYPE_FLAGS = G_TYPE_FLAGS,
50 GTK_TYPE_CHAR = G_TYPE_CHAR,
51 GTK_TYPE_UCHAR = G_TYPE_UCHAR,
52 GTK_TYPE_BOOL = G_TYPE_BOOLEAN,
53 GTK_TYPE_INT = G_TYPE_INT,
54 GTK_TYPE_UINT = G_TYPE_UINT,
55 GTK_TYPE_LONG = G_TYPE_LONG,
56 GTK_TYPE_ULONG = G_TYPE_ULONG,
57 GTK_TYPE_FLOAT = G_TYPE_FLOAT,
58 GTK_TYPE_DOUBLE = G_TYPE_DOUBLE,
59 GTK_TYPE_STRING = G_TYPE_STRING,
60 GTK_TYPE_BOXED = G_TYPE_BOXED,
61 GTK_TYPE_POINTER = G_TYPE_POINTER
64 /* --- type macros --- */
65 #define GTK_CLASS_NAME(class) (g_type_name (G_TYPE_FROM_CLASS (class)))
66 #define GTK_CLASS_TYPE(class) (G_TYPE_FROM_CLASS (class))
67 #define GTK_TYPE_IS_OBJECT(type) (g_type_is_a ((type), GTK_TYPE_OBJECT))
69 /* outdated macros that really shouldn't e used anymore,
70 * use the GLib type system instead
72 #define GTK_TYPE_FUNDAMENTAL_LAST (G_TYPE_LAST_RESERVED_FUNDAMENTAL - 1)
73 #define GTK_TYPE_FUNDAMENTAL_MAX (G_TYPE_FUNDAMENTAL_MAX)
75 #define GTK_FUNDAMENTAL_TYPE G_TYPE_FUNDAMENTAL
76 #define GTK_STRUCT_OFFSET G_STRUCT_OFFSET
78 #endif /* GTK_DISABLE_DEPRECATED */
80 /* glib macro wrappers (compatibility) */
81 #define GTK_CHECK_CAST G_TYPE_CHECK_INSTANCE_CAST
82 #define GTK_CHECK_CLASS_CAST G_TYPE_CHECK_CLASS_CAST
83 #define GTK_CHECK_GET_CLASS G_TYPE_INSTANCE_GET_CLASS
84 #define GTK_CHECK_TYPE G_TYPE_CHECK_INSTANCE_TYPE
85 #define GTK_CHECK_CLASS_TYPE G_TYPE_CHECK_CLASS_TYPE
87 /* glib type wrappers (compatibility) */
89 typedef GType GtkType;
91 #ifndef GTK_DISABLE_DEPRECATED
93 typedef GTypeInstance GtkTypeObject;
94 typedef GTypeClass GtkTypeClass;
95 typedef GBaseInitFunc GtkClassInitFunc;
96 typedef GInstanceInitFunc GtkObjectInitFunc;
98 #endif /* GTK_DISABLE_DEPRECATED */
104 #include <gtk/gtktypebuiltins.h>
109 #define GTK_TYPE_IDENTIFIER (gtk_identifier_get_type ())
110 GType gtk_identifier_get_type (void);
112 /* --- typedefs --- */
113 /* here we come with some necessary forward declarations for structures and
114 * provide some fundamental function signatures
116 typedef struct _GtkArg GtkArg;
117 typedef struct _GtkObject GtkObject; /* object forward declaration */
118 typedef gboolean (*GtkFunction) (gpointer data);
119 typedef void (*GtkDestroyNotify) (gpointer data);
120 typedef void (*GtkCallbackMarshal) (GtkObject *object,
124 typedef void (*GtkSignalFunc) (void);
125 #define GTK_SIGNAL_FUNC(f) ((GtkSignalFunc) (f))
127 #ifndef GTK_DISABLE_DEPRECATED
128 typedef struct _GtkTypeInfo GtkTypeInfo;
129 typedef GSignalCMarshaller GtkSignalMarshaller;
131 /* GtkArg, used to hold differently typed values */
137 /* this union only defines the required storage types for
138 * the possibile values, thus there is no gint enum_data field,
139 * because that would just be a mere alias for gint int_data.
140 * use the GTK_VALUE_*() and GTK_RETLOC_*() macros to access
141 * the discrete memebers.
155 GtkObject *object_data;
156 gpointer pointer_data;
158 /* structured values */
166 /* argument value access macros, these must not contain casts,
167 * to allow the usage of these macros in combination with the
168 * adress operator, e.g. >K_VALUE_CHAR (*arg)
170 #define GTK_VALUE_CHAR(a) ((a).d.char_data)
171 #define GTK_VALUE_UCHAR(a) ((a).d.uchar_data)
172 #define GTK_VALUE_BOOL(a) ((a).d.bool_data)
173 #define GTK_VALUE_INT(a) ((a).d.int_data)
174 #define GTK_VALUE_UINT(a) ((a).d.uint_data)
175 #define GTK_VALUE_LONG(a) ((a).d.long_data)
176 #define GTK_VALUE_ULONG(a) ((a).d.ulong_data)
177 #define GTK_VALUE_FLOAT(a) ((a).d.float_data)
178 #define GTK_VALUE_DOUBLE(a) ((a).d.double_data)
179 #define GTK_VALUE_STRING(a) ((a).d.string_data)
180 #define GTK_VALUE_ENUM(a) ((a).d.int_data)
181 #define GTK_VALUE_FLAGS(a) ((a).d.uint_data)
182 #define GTK_VALUE_BOXED(a) ((a).d.pointer_data)
183 #define GTK_VALUE_OBJECT(a) ((a).d.object_data)
184 #define GTK_VALUE_POINTER(a) ((a).d.pointer_data)
185 #define GTK_VALUE_SIGNAL(a) ((a).d.signal_data)
187 /* return location macros, these all narrow down to
188 * pointer types, because return values need to be
189 * passed by reference
191 #define GTK_RETLOC_CHAR(a) ((gchar*) (a).d.pointer_data)
192 #define GTK_RETLOC_UCHAR(a) ((guchar*) (a).d.pointer_data)
193 #define GTK_RETLOC_BOOL(a) ((gboolean*) (a).d.pointer_data)
194 #define GTK_RETLOC_INT(a) ((gint*) (a).d.pointer_data)
195 #define GTK_RETLOC_UINT(a) ((guint*) (a).d.pointer_data)
196 #define GTK_RETLOC_LONG(a) ((glong*) (a).d.pointer_data)
197 #define GTK_RETLOC_ULONG(a) ((gulong*) (a).d.pointer_data)
198 #define GTK_RETLOC_FLOAT(a) ((gfloat*) (a).d.pointer_data)
199 #define GTK_RETLOC_DOUBLE(a) ((gdouble*) (a).d.pointer_data)
200 #define GTK_RETLOC_STRING(a) ((gchar**) (a).d.pointer_data)
201 #define GTK_RETLOC_ENUM(a) ((gint*) (a).d.pointer_data)
202 #define GTK_RETLOC_FLAGS(a) ((guint*) (a).d.pointer_data)
203 #define GTK_RETLOC_BOXED(a) ((gpointer*) (a).d.pointer_data)
204 #define GTK_RETLOC_OBJECT(a) ((GtkObject**) (a).d.pointer_data)
205 #define GTK_RETLOC_POINTER(a) ((gpointer*) (a).d.pointer_data)
206 /* GTK_RETLOC_SIGNAL() - no such thing */
208 /* type registration, it is recommended to use
209 * g_type_register_static() or
210 * g_type_register_dynamic() instead
217 GtkClassInitFunc class_init_func;
218 GtkObjectInitFunc object_init_func;
221 GtkClassInitFunc base_class_init_func;
224 #endif /* GTK_DISABLE_DEPRECATED */
226 gpointer gtk_type_class (GtkType type);
228 #ifndef GTK_DISABLE_DEPRECATED
230 GtkType gtk_type_unique (GtkType parent_type,
231 const GtkTypeInfo *gtkinfo);
232 gpointer gtk_type_new (GtkType type);
234 /* --- compatibility defines --- */
235 #define gtk_type_name(type) g_type_name (type)
236 #define gtk_type_from_name(name) g_type_from_name (name)
237 #define gtk_type_parent(type) g_type_parent (type)
238 #define gtk_type_is_a(type, is_a_type) g_type_is_a ((type), (is_a_type))
240 /* deprecated, use g_type_init() instead */
241 void gtk_type_init (GTypeDebugFlags debug_flags);
243 /* enum/flags compatibility functions, we strongly
244 * recommend to use the glib enum/flags classes directly
246 typedef GEnumValue GtkEnumValue;
247 typedef GFlagsValue GtkFlagValue;
248 GtkEnumValue* gtk_type_enum_get_values (GtkType enum_type);
249 GtkFlagValue* gtk_type_flags_get_values (GtkType flags_type);
250 GtkEnumValue* gtk_type_enum_find_value (GtkType enum_type,
251 const gchar *value_name);
252 GtkFlagValue* gtk_type_flags_find_value (GtkType flags_type,
253 const gchar *value_name);
255 #endif /* GTK_DISABLE_DEPRECATED */
259 #endif /* __GTK_TYPE_UTILS_H__ */