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/* menu.h - Menu model function prototypes and data structures. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_MENU_HEADER
#define GRUB_MENU_HEADER 1
struct grub_menu_entry_class
{
char *name;
struct grub_menu_entry_class *next;
};
/* The menu entry. */
struct grub_menu_entry
{
/* The title name. */
const char *title;
/* The identifier. */
const char *id;
/* If set means not everybody is allowed to boot this entry. */
int restricted;
/* Allowed users. */
const char *users;
/* The classes associated with the menu entry:
used to choose an icon or other style attributes.
This is a dummy head node for the linked list, so for an entry E,
E.classes->next is the first class if it is not NULL. */
struct grub_menu_entry_class *classes;
/* The sourcecode of the menu entry, used by the editor. */
const char *sourcecode;
/* Parameters to be passed to menu definition. */
int argc;
char **args;
int hotkey;
int submenu;
/* The next element. */
struct grub_menu_entry *next;
};
typedef struct grub_menu_entry *grub_menu_entry_t;
/* The menu. */
struct grub_menu
{
/* The size of a menu. */
int size;
/* The list of menu entries. */
grub_menu_entry_t entry_list;
};
typedef struct grub_menu *grub_menu_t;
/* Callback structure menu viewers can use to provide user feedback when
default entries are executed, possibly including fallback entries. */
typedef struct grub_menu_execute_callback
{
/* Called immediately before ENTRY is booted. */
void (*notify_booting) (grub_menu_entry_t entry, void *userdata);
/* Called when executing one entry has failed, and another entry, ENTRY, will
be executed as a fallback. The implementation of this function should
delay for a period of at least 2 seconds before returning in order to
allow the user time to read the information before it can be lost by
executing ENTRY. */
void (*notify_fallback) (grub_menu_entry_t entry, void *userdata);
/* Called when an entry has failed to execute and there is no remaining
fallback entry to attempt. */
void (*notify_failure) (void *userdata);
}
*grub_menu_execute_callback_t;
grub_menu_entry_t grub_menu_get_entry (grub_menu_t menu, int no);
int grub_menu_get_timeout (void);
void grub_menu_set_timeout (int timeout);
void grub_menu_entry_run (grub_menu_entry_t entry);
int grub_menu_get_default_entry_index (grub_menu_t menu);
void grub_menu_init (void);
void grub_menu_fini (void);
#endif /* GRUB_MENU_HEADER */
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