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/* 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.
*/
#ifndef __GTK_TYPE_UTILS_H__
#define __GTK_TYPE_UTILS_H__
#include <gdk/gdk.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Fundamental Types */
typedef enum
{
GTK_TYPE_INVALID,
GTK_TYPE_NONE,
GTK_TYPE_CHAR,
GTK_TYPE_BOOL,
GTK_TYPE_INT,
GTK_TYPE_UINT,
GTK_TYPE_LONG,
GTK_TYPE_ULONG,
GTK_TYPE_FLOAT,
GTK_TYPE_STRING,
GTK_TYPE_ENUM,
GTK_TYPE_FLAGS,
GTK_TYPE_BOXED,
GTK_TYPE_FOREIGN,
GTK_TYPE_CALLBACK,
GTK_TYPE_ARGS,
GTK_TYPE_POINTER,
/* it'd be great if the next two could be removed eventually */
GTK_TYPE_SIGNAL,
GTK_TYPE_C_CALLBACK,
GTK_TYPE_OBJECT
} GtkFundamentalType;
typedef guint GtkType;
/* Builtin Types */
extern GtkType gtk_type_builtins[];
#include <gtk/gtktypebuiltins.h>
/* General Types */
#define GTK_TYPE_MAKE(ft, seqno) (((seqno)<<8)|ft)
#define GTK_FUNDAMENTAL_TYPE(t) ((GtkFundamentalType)((t)&0xFF))
#define GTK_TYPE_SEQNO(t) ((t)>0xFF? (t)>>8:(t))
typedef struct _GtkArg GtkArg;
typedef struct _GtkObject GtkObject; /* forward declaration of object type */
typedef struct _GtkTypeInfo GtkTypeInfo;
typedef void (*GtkClassInitFunc) (gpointer klass);
typedef void (*GtkObjectInitFunc) (gpointer object);
typedef void (*GtkArgFunc) (GtkObject *object, GtkArg *arg);
typedef gint (*GtkFunction) (gpointer data);
typedef void (*GtkRemoveFunction) (gpointer data);
typedef void (*GtkCallbackMarshal) (GtkObject *object,
gpointer data,
int n_args,
GtkArg *args);
typedef void (*GtkDestroyNotify) (gpointer data);
struct _GtkArg
{
GtkType type;
char *name;
union {
gchar char_data;
gint int_data;
guint uint_data;
gint bool_data;
glong long_data;
gulong ulong_data;
gfloat float_data;
gchar *string_data;
gpointer pointer_data;
GtkObject *object_data;
struct {
GtkCallbackMarshal marshal;
gpointer data;
GtkDestroyNotify notify;
} callback_data;
struct {
gpointer data;
GtkDestroyNotify notify;
} foreign_data;
struct {
gint n_args;
GtkArg *args;
} args_data;
struct {
GtkFunction f;
gpointer d;
} signal_data;
struct {
GtkFunction func;
gpointer func_data;
} c_callback_data;
} d;
};
#define GTK_VALUE_CHAR(a) ((a).d.char_data)
#define GTK_VALUE_BOOL(a) ((a).d.bool_data)
#define GTK_VALUE_INT(a) ((a).d.int_data)
#define GTK_VALUE_UINT(a) ((a).d.uint_data)
#define GTK_VALUE_LONG(a) ((a).d.long_data)
#define GTK_VALUE_ULONG(a) ((a).d.ulong_data)
#define GTK_VALUE_FLOAT(a) ((a).d.float_data)
#define GTK_VALUE_STRING(a) ((a).d.string_data)
#define GTK_VALUE_ENUM(a) ((a).d.int_data)
#define GTK_VALUE_FLAGS(a) ((a).d.int_data)
#define GTK_VALUE_BOXED(a) ((a).d.pointer_data)
#define GTK_VALUE_FOREIGN(a) ((a).d.foreign_data)
#define GTK_VALUE_CALLBACK(a) ((a).d.callback_data)
#define GTK_VALUE_ARGS(a) ((a).d.args_data)
#define GTK_VALUE_OBJECT(a) ((a).d.object_data)
#define GTK_VALUE_POINTER(a) ((a).d.pointer_data)
#define GTK_VALUE_SIGNAL(a) ((a).d.signal_data)
#define GTK_VALUE_C_CALLBACK(a) ((a).d.c_callback_data)
#define GTK_RETLOC_CHAR(a) ((gchar*)(a).d.pointer_data)
#define GTK_RETLOC_BOOL(a) ((gint*)(a).d.pointer_data)
#define GTK_RETLOC_INT(a) ((gint*)(a).d.pointer_data)
#define GTK_RETLOC_UINT(a) ((guint*)(a).d.pointer_data)
#define GTK_RETLOC_LONG(a) ((glong*)(a).d.pointer_data)
#define GTK_RETLOC_ULONG(a) ((gulong*)(a).d.pointer_data)
#define GTK_RETLOC_FLOAT(a) ((gfloat*)(a).d.pointer_data)
#define GTK_RETLOC_STRING(a) ((gchar**)(a).d.pointer_data)
#define GTK_RETLOC_ENUM(a) ((gint*)(a).d.pointer_data)
#define GTK_RETLOC_FLAGS(a) ((gint*)(a).d.pointer_data)
#define GTK_RETLOC_BOXED(a) ((gpointer*)(a).d.pointer_data)
#define GTK_RETLOC_OBJECT(a) ((GtkObject**)(a).d.pointer_data)
#define GTK_RETLOC_POINTER(a) ((gpointer*)(a).d.pointer_data)
struct _GtkTypeInfo
{
gchar *type_name;
guint object_size;
guint class_size;
GtkClassInitFunc class_init_func;
GtkObjectInitFunc object_init_func;
GtkArgFunc arg_func;
};
void gtk_type_init (void);
GtkType gtk_type_unique (guint parent_type,
GtkTypeInfo *type_info);
gchar* gtk_type_name (guint type);
GtkType gtk_type_from_name (const gchar *name);
GtkType gtk_type_parent (GtkType type);
gpointer gtk_type_class (GtkType type);
gpointer gtk_type_new (GtkType type);
void gtk_type_describe_heritage (GtkType type);
void gtk_type_describe_tree (GtkType type,
gint show_size);
gint gtk_type_is_a (GtkType type,
GtkType is_a_type);
void gtk_type_set_arg (GtkObject *object,
GtkType type,
GtkArg *arg);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GTK_TYPE_UTILS_H__ */
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