* 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
+ * 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
- * Library General Public License for more details.
+ * 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 Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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 <gdk/gdk.h>
+#include <glib-object.h>
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
+G_BEGIN_DECLS
+#ifndef GTK_DISABLE_DEPRECATED
-/* Fundamental Types */
-
-typedef enum
+/* Fundamental Types
+ * many of these are just aliases for GLib types to maintain
+ * compatibility
+ */
+typedef enum /*< skip >*/
{
- 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
+ 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;
-typedef guint GtkType;
+/* --- 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
+ */
+#define GTK_TYPE_FUNDAMENTAL_LAST (G_TYPE_LAST_RESERVED_FUNDAMENTAL - 1)
+#define GTK_TYPE_FUNDAMENTAL_MAX (G_TYPE_FUNDAMENTAL_MAX)
+
+#define GTK_FUNDAMENTAL_TYPE G_TYPE_FUNDAMENTAL
+#define GTK_STRUCT_OFFSET G_STRUCT_OFFSET
+
+#endif /* GTK_DISABLE_DEPRECATED */
-/* Builtin Types */
+/* glib macro wrappers (compatibility) */
+#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
-extern GtkType gtk_type_builtins[];
+/* glib type wrappers (compatibility) */
+
+typedef GType GtkType;
+
+#ifndef GTK_DISABLE_DEPRECATED
+
+typedef GTypeInstance GtkTypeObject;
+typedef GTypeClass GtkTypeClass;
+typedef GBaseInitFunc GtkClassInitFunc;
+typedef GInstanceInitFunc GtkObjectInitFunc;
+
+#endif /* GTK_DISABLE_DEPRECATED */
+
+G_END_DECLS
+
+/* Builtin Types
+ */
#include <gtk/gtktypebuiltins.h>
-/* General Types */
+G_BEGIN_DECLS
-#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))
+/* urg */
+#define GTK_TYPE_IDENTIFIER (gtk_identifier_get_type ())
+GType gtk_identifier_get_type (void);
-typedef struct _GtkArg GtkArg;
-typedef struct _GtkObject GtkObject; /* forward declaration of object type */
-typedef struct _GtkTypeInfo GtkTypeInfo;
+/* --- 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 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);
+#define GTK_SIGNAL_FUNC(f) ((GtkSignalFunc) (f))
-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 (*GtkRemoveFunction) (gpointer data);
-typedef void (*GtkCallbackMarshal) (GtkObject *object,
- gpointer data,
- int n_args,
- GtkArg *args);
-typedef void (*GtkDestroyNotify) (gpointer data);
+#ifndef GTK_DISABLE_DEPRECATED
+typedef struct _GtkTypeInfo GtkTypeInfo;
+typedef GSignalCMarshaller GtkSignalMarshaller;
+/* 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;
- gint bool_data;
glong long_data;
gulong ulong_data;
gfloat float_data;
+ gdouble double_data;
gchar *string_data;
- gpointer pointer_data;
GtkObject *object_data;
+ gpointer pointer_data;
+
+ /* structured values */
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;
+ GtkSignalFunc 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)
+/* 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;
- GtkArgSetFunc arg_set_func;
- GtkArgGetFunc arg_get_func;
+ 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;
};
+#endif /* GTK_DISABLE_DEPRECATED */
+
+gpointer gtk_type_class (GtkType type);
+
+#ifndef GTK_DISABLE_DEPRECATED
+
+GtkType gtk_type_unique (GtkType parent_type,
+ const GtkTypeInfo *gtkinfo);
+gpointer gtk_type_new (GtkType type);
+
+/* --- 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))
+
+/* deprecated, use g_type_init() instead */
+void gtk_type_init (GTypeDebugFlags debug_flags);
+
+/* 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);
-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,
- guint arg_id);
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+#endif /* GTK_DISABLE_DEPRECATED */
+G_END_DECLS
#endif /* __GTK_TYPE_UTILS_H__ */