/* 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 Lesser 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser 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. */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #ifndef __GTK_TYPE_UTILS_H__ #define __GTK_TYPE_UTILS_H__ #include #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ /* Fundamental Types * many of these are just aliases for GLib types to maintain * compatibility */ typedef enum /*< skip >*/ { GTK_TYPE_INVALID = G_TYPE_INVALID, GTK_TYPE_NONE = G_TYPE_NONE, GTK_TYPE_ENUM = G_TYPE_ENUM, GTK_TYPE_FLAGS = G_TYPE_FLAGS, /* GtkArg types */ GTK_TYPE_CHAR = G_TYPE_CHAR, GTK_TYPE_UCHAR = G_TYPE_UCHAR, GTK_TYPE_BOOL = G_TYPE_BOOLEAN, GTK_TYPE_INT = G_TYPE_INT, GTK_TYPE_UINT = G_TYPE_UINT, GTK_TYPE_LONG = G_TYPE_LONG, GTK_TYPE_ULONG = G_TYPE_ULONG, GTK_TYPE_FLOAT = G_TYPE_FLOAT, GTK_TYPE_DOUBLE = G_TYPE_DOUBLE, GTK_TYPE_STRING = G_TYPE_STRING, GTK_TYPE_BOXED = G_TYPE_BOXED, GTK_TYPE_POINTER = G_TYPE_POINTER } GtkFundamentalType; /* --- type macros --- */ #define GTK_CLASS_NAME(class) (g_type_name (G_TYPE_FROM_CLASS (class))) #define GTK_CLASS_TYPE(class) (G_TYPE_FROM_CLASS (class)) #define GTK_TYPE_IS_OBJECT(type) (g_type_is_a ((type), GTK_TYPE_OBJECT)) /* outdated macros that really shouldn't e used anymore, * use the GLib type system instead */ #ifndef GTK_DISABLE_DEPRECATED #define GTK_TYPE_FUNDAMENTAL_LAST (G_TYPE_LAST_RESERVED_FUNDAMENTAL - 1) #define GTK_TYPE_FUNDAMENTAL_MAX (G_TYPE_FUNDAMENTAL_MAX) #endif /* GTK_DISABLE_DEPRECATED */ /* glib macro wrappers (compatibility) */ #define GTK_STRUCT_OFFSET G_STRUCT_OFFSET #define GTK_CHECK_CAST G_TYPE_CHECK_INSTANCE_CAST #define GTK_CHECK_CLASS_CAST G_TYPE_CHECK_CLASS_CAST #define GTK_CHECK_GET_CLASS G_TYPE_INSTANCE_GET_CLASS #define GTK_CHECK_TYPE G_TYPE_CHECK_INSTANCE_TYPE #define GTK_CHECK_CLASS_TYPE G_TYPE_CHECK_CLASS_TYPE #define GTK_FUNDAMENTAL_TYPE G_TYPE_FUNDAMENTAL /* glib type wrappers (compatibility) */ typedef GType GtkType; typedef GTypeInstance GtkTypeObject; typedef GTypeClass GtkTypeClass; typedef GBaseInitFunc GtkClassInitFunc; typedef GInstanceInitFunc GtkObjectInitFunc; #ifdef __cplusplus } #endif /* __cplusplus */ /* Builtin Types */ #include #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ /* --- typedefs --- */ /* here we come with some necessary forward declarations for structures and * provide some fundamental function signatures */ typedef struct _GtkArg GtkArg; typedef struct _GtkObject GtkObject; /* object forward declaration */ typedef struct _GtkTypeInfo GtkTypeInfo; typedef gboolean (*GtkFunction) (gpointer data); typedef void (*GtkDestroyNotify) (gpointer data); typedef void (*GtkCallbackMarshal) (GtkObject *object, gpointer data, guint n_args, GtkArg *args); typedef void (*GtkSignalFunc) (void); typedef GSignalCMarshaller GtkSignalMarshaller; #define GTK_SIGNAL_FUNC(f) ((GtkSignalFunc) (f)) /* GtkArg, used to hold differently typed values */ struct _GtkArg { GtkType type; gchar *name; /* this union only defines the required storage types for * the possibile values, thus there is no gint enum_data field, * because that would just be a mere alias for gint int_data. * use the GTK_VALUE_*() and GTK_RETLOC_*() macros to access * the discrete memebers. */ union { /* flat values */ gchar char_data; guchar uchar_data; gboolean bool_data; gint int_data; guint uint_data; glong long_data; gulong ulong_data; gfloat float_data; gdouble double_data; gchar *string_data; GtkObject *object_data; gpointer pointer_data; /* structured values */ struct { GtkSignalFunc f; gpointer d; } signal_data; } d; }; /* argument value access macros, these must not contain casts, * to allow the usage of these macros in combination with the * adress operator, e.g. >K_VALUE_CHAR (*arg) */ #define GTK_VALUE_CHAR(a) ((a).d.char_data) #define GTK_VALUE_UCHAR(a) ((a).d.uchar_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.uint_data) #define GTK_VALUE_BOXED(a) ((a).d.pointer_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) /* return location macros, these all narrow down to * pointer types, because return values need to be * passed by reference */ #define GTK_RETLOC_CHAR(a) ((gchar*) (a).d.pointer_data) #define GTK_RETLOC_UCHAR(a) ((guchar*) (a).d.pointer_data) #define GTK_RETLOC_BOOL(a) ((gboolean*) (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) ((guint*) (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) /* GTK_RETLOC_SIGNAL() - no such thing */ /* type registration, it is recommended to use * g_type_register_static() or * g_type_register_dynamic() instead */ struct _GtkTypeInfo { gchar *type_name; guint object_size; guint class_size; GtkClassInitFunc class_init_func; GtkObjectInitFunc object_init_func; gpointer reserved_1; gpointer reserved_2; GtkClassInitFunc base_class_init_func; }; GtkType gtk_type_unique (GtkType parent_type, const GtkTypeInfo *gtkinfo); gpointer gtk_type_class (GtkType type); gpointer gtk_type_new (GtkType type); /* deprecated, use g_type_init() instead */ void gtk_type_init (GTypeDebugFlags debug_flags); /* --- compatibility defines --- */ #define gtk_type_name(type) g_type_name (type) #define gtk_type_from_name(name) g_type_from_name (name) #define gtk_type_parent(type) g_type_parent (type) #define gtk_type_is_a(type, is_a_type) g_type_is_a ((type), (is_a_type)) /* enum/flags compatibility functions, we strongly * recommend to use the glib enum/flags classes directly */ typedef GEnumValue GtkEnumValue; typedef GFlagsValue GtkFlagValue; GtkEnumValue* gtk_type_enum_get_values (GtkType enum_type); GtkFlagValue* gtk_type_flags_get_values (GtkType flags_type); GtkEnumValue* gtk_type_enum_find_value (GtkType enum_type, const gchar *value_name); GtkFlagValue* gtk_type_flags_find_value (GtkType flags_type, const gchar *value_name); #ifdef G_OS_WIN32 # ifdef GTK_COMPILATION # define GTKTYPEUTILS_VAR __declspec(dllexport) # else # define GTKTYPEUTILS_VAR extern __declspec(dllimport) # endif #else # define GTKTYPEUTILS_VAR extern #endif /* urg */ GTKTYPEUTILS_VAR GType GTK_TYPE_IDENTIFIER; #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* __GTK_TYPE_UTILS_H__ */