/* 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __GTK_TYPE_UTILS_H__ #define __GTK_TYPE_UTILS_H__ #include #ifdef __cplusplus extern "C" { #pragma } #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_DOUBLE, 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 /* Macros */ #define GTK_TYPE_MAKE(parent_t, seqno) (((seqno) << 8) | GTK_FUNDAMENTAL_TYPE (parent_t)) #define GTK_FUNDAMENTAL_TYPE(type) ((GtkFundamentalType) ((type) & 0xFF)) #define GTK_TYPE_SEQNO(type) ((type) > 0xFF ? (type) >> 8 : (type)) 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 (*GtkArgGetFunc) (GtkObject *object, GtkArg *arg, guint arg_id); typedef void (*GtkArgSetFunc) (GtkObject *object, GtkArg *arg, guint arg_id); typedef gint (*GtkFunction) (gpointer data); typedef void (*GtkCallbackMarshal) (GtkObject *object, gpointer data, guint n_args, GtkArg *args); typedef void (*GtkDestroyNotify) (gpointer data); struct _GtkArg { GtkType type; gchar *name; union { gchar char_data; gint int_data; guint uint_data; gint bool_data; glong long_data; gulong ulong_data; gfloat float_data; gdouble double_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_DOUBLE(a) ((a).d.double_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_DOUBLE(a) ((gdouble*)(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; GtkArgSetFunc arg_set_func; GtkArgGetFunc arg_get_func; }; void gtk_type_init (void); GtkType gtk_type_unique (guint parent_type, GtkTypeInfo *type_info); void gtk_type_set_chunk_alloc (GtkType type, guint n_chunks); 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_parent_class (GtkType type); gpointer gtk_type_new (GtkType type); void gtk_type_free (GtkType type, gpointer mem); 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_get_arg (GtkObject *object, GtkType type, GtkArg *arg, guint arg_id); void gtk_type_set_arg (GtkObject *object, GtkType type, GtkArg *arg, guint arg_id); GtkArg* gtk_arg_copy (GtkArg *src_arg, GtkArg *dest_arg); #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* __GTK_TYPE_UTILS_H__ */