/usr/include/gtk-2.0/gtk/gtkitemfactory.h is in libgtk2.0-dev 2.24.31-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 | /* GTK - The GIMP Toolkit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * GtkItemFactory: Flexible item factory with automatic rc handling
 * Copyright (C) 1998 Tim Janik
 *
 * 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_DISABLE_DEPRECATED
#ifndef __GTK_ITEM_FACTORY_H__
#define	__GTK_ITEM_FACTORY_H__
#include <gtk/gtk.h>
G_BEGIN_DECLS
typedef void	(*GtkPrintFunc)		   (gpointer		 func_data,
					    const gchar		*str);
/* We use () here to mean unspecified arguments. This is deprecated
 * as of C99, but we can't change it without breaking compatibility.
 * (Note that if we are included from a C++ program () will mean
 * (void) so an explicit cast will be needed.)
 */
typedef	void	(*GtkItemFactoryCallback)  ();
typedef	void	(*GtkItemFactoryCallback1) (gpointer		 callback_data,
					    guint		 callback_action,
					    GtkWidget		*widget);
#define GTK_TYPE_ITEM_FACTORY            (gtk_item_factory_get_type ())
#define GTK_ITEM_FACTORY(object)         (G_TYPE_CHECK_INSTANCE_CAST ((object), GTK_TYPE_ITEM_FACTORY, GtkItemFactory))
#define GTK_ITEM_FACTORY_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ITEM_FACTORY, GtkItemFactoryClass))
#define GTK_IS_ITEM_FACTORY(object)      (G_TYPE_CHECK_INSTANCE_TYPE ((object), GTK_TYPE_ITEM_FACTORY))
#define GTK_IS_ITEM_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ITEM_FACTORY))
#define GTK_ITEM_FACTORY_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ITEM_FACTORY, GtkItemFactoryClass))
typedef	struct	_GtkItemFactory			GtkItemFactory;
typedef	struct	_GtkItemFactoryClass		GtkItemFactoryClass;
typedef	struct	_GtkItemFactoryEntry		GtkItemFactoryEntry;
typedef	struct	_GtkItemFactoryItem		GtkItemFactoryItem;
struct _GtkItemFactory
{
  GtkObject		 object;
  gchar			*path;
  GtkAccelGroup		*accel_group;
  GtkWidget		*widget;
  GSList		*items;
  GtkTranslateFunc       translate_func;
  gpointer               translate_data;
  GDestroyNotify         translate_notify;
};
struct _GtkItemFactoryClass
{
  GtkObjectClass	 object_class;
  GHashTable		*item_ht;
  /* Padding for future expansion */
  void (*_gtk_reserved1) (void);
  void (*_gtk_reserved2) (void);
  void (*_gtk_reserved3) (void);
  void (*_gtk_reserved4) (void);
};
struct _GtkItemFactoryEntry
{
  gchar *path;
  gchar *accelerator;
  GtkItemFactoryCallback callback;
  guint			 callback_action;
  /* possible values:
   * NULL		-> "<Item>"
   * ""			-> "<Item>"
   * "<Title>"		-> create a title item
   * "<Item>"		-> create a simple item
   * "<ImageItem>"	-> create an item holding an image
   * "<StockItem>"	-> create an item holding a stock image
   * "<CheckItem>"	-> create a check item
   * "<ToggleItem>"	-> create a toggle item
   * "<RadioItem>"	-> create a radio item
   * <path>		-> path of a radio item to link against
   * "<Separator>"	-> create a separator
   * "<Tearoff>"	-> create a tearoff separator
   * "<Branch>"		-> create an item to hold sub items
   * "<LastBranch>"	-> create a right justified item to hold sub items
   */
  gchar		 *item_type;
  /* Extra data for some item types:
   *  ImageItem  -> pointer to inlined pixbuf stream
   *  StockItem  -> name of stock item
   */
  gconstpointer extra_data;
};
struct _GtkItemFactoryItem
{
  gchar *path;
  GSList *widgets;
};
GType		gtk_item_factory_get_type	    (void) G_GNUC_CONST;
/* `container_type' must be of GTK_TYPE_MENU_BAR, GTK_TYPE_MENU,
 * or GTK_TYPE_OPTION_MENU.
 */
GtkItemFactory*	gtk_item_factory_new	   (GType		 container_type,
					    const gchar		*path,
					    GtkAccelGroup       *accel_group);
void		gtk_item_factory_construct (GtkItemFactory	*ifactory,
					    GType		 container_type,
					    const gchar		*path,
					    GtkAccelGroup       *accel_group);
     
/* These functions operate on GtkItemFactoryClass basis.
 */
void		gtk_item_factory_add_foreign        (GtkWidget	    *accel_widget,
						     const gchar    *full_path,
						     GtkAccelGroup  *accel_group,
						     guint	     keyval,
						     GdkModifierType modifiers);
     
GtkItemFactory*       gtk_item_factory_from_widget      (GtkWidget *widget);
const gchar *         gtk_item_factory_path_from_widget (GtkWidget *widget);
GtkWidget*	gtk_item_factory_get_item	      (GtkItemFactory *ifactory,
						       const gchar    *path);
GtkWidget*	gtk_item_factory_get_widget	      (GtkItemFactory *ifactory,
						       const gchar    *path);
GtkWidget*	gtk_item_factory_get_widget_by_action (GtkItemFactory *ifactory,
						       guint	       action);
GtkWidget*	gtk_item_factory_get_item_by_action   (GtkItemFactory *ifactory,
						       guint	       action);
void	gtk_item_factory_create_item	(GtkItemFactory		*ifactory,
					 GtkItemFactoryEntry	*entry,
					 gpointer		 callback_data,
					 guint			 callback_type);
void	gtk_item_factory_create_items	(GtkItemFactory		*ifactory,
					 guint			 n_entries,
					 GtkItemFactoryEntry	*entries,
					 gpointer		 callback_data);
void	gtk_item_factory_delete_item	(GtkItemFactory		*ifactory,
					 const gchar		*path);
void	gtk_item_factory_delete_entry	(GtkItemFactory		*ifactory,
					 GtkItemFactoryEntry	*entry);
void	gtk_item_factory_delete_entries	(GtkItemFactory		*ifactory,
					 guint			 n_entries,
					 GtkItemFactoryEntry	*entries);
void	gtk_item_factory_popup		(GtkItemFactory		*ifactory,
					 guint			 x,
					 guint			 y,
					 guint			 mouse_button,
					 guint32		 time_);
void	gtk_item_factory_popup_with_data(GtkItemFactory		*ifactory,
					 gpointer		 popup_data,
					 GDestroyNotify          destroy,
					 guint			 x,
					 guint			 y,
					 guint			 mouse_button,
					 guint32		 time_);
gpointer gtk_item_factory_popup_data	(GtkItemFactory		*ifactory);
gpointer gtk_item_factory_popup_data_from_widget (GtkWidget	*widget);
void   gtk_item_factory_set_translate_func (GtkItemFactory      *ifactory,
					    GtkTranslateFunc     func,
					    gpointer             data,
					    GDestroyNotify       notify);
/* Compatibility functions for deprecated GtkMenuFactory code
 */
/* Used by gtk_item_factory_create_menu_entries () */
typedef void (*GtkMenuCallback) (GtkWidget *widget,
				 gpointer   user_data);
typedef struct {
  gchar *path;
  gchar *accelerator;
  GtkMenuCallback callback;
  gpointer callback_data;
  GtkWidget *widget;
} GtkMenuEntry;
/* Used by gtk_item_factory_callback_marshal () */
typedef	void	(*GtkItemFactoryCallback2) (GtkWidget		*widget,
					    gpointer		 callback_data,
					    guint		 callback_action);
/* Used by gtk_item_factory_create_items () */
void	gtk_item_factory_create_items_ac (GtkItemFactory	*ifactory,
					  guint			 n_entries,
					  GtkItemFactoryEntry	*entries,
					  gpointer		 callback_data,
					  guint			 callback_type);
GtkItemFactory*	gtk_item_factory_from_path   (const gchar       *path);
void	gtk_item_factory_create_menu_entries (guint		 n_entries,
					      GtkMenuEntry      *entries);
void	gtk_item_factories_path_delete	   (const gchar		*ifactory_path,
					    const gchar		*path);
G_END_DECLS
#endif /* !GTK_DISABLE_DEPRECATED */
#endif	/* __GTK_ITEM_FACTORY_H__ */
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