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/*
* Copyright (C) 2009 Sony Computer Entertainment Inc.
* Copyright 2009 Sony Corp.
*
* This program 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; version 2 of the License.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#if !defined(_PB_NC_MENU_H)
#define _PB_NC_MENU_H
#include <assert.h>
#include <linux/input.h> /* This must be included before ncurses.h */
#if defined HAVE_NCURSESW_MENU_H
# include <ncursesw/menu.h>
#elif defined HAVE_NCURSES_MENU_H
# include <ncurses/menu.h>
#elif defined HAVE_MENU_H
# include <menu.h>
#else
# error "Curses menu.h not found."
#endif
#include "log/log.h"
#include "types/types.h"
#include "nc-scr.h"
struct pmenu;
/**
* struct pmenu_item - Hold the state of a single menu item.
* @i_sig: Signature for callback type checking, should be pmenu_item_sig.
* @nci: The ncurses menu item instance for this item.
*/
struct pmenu_item {
enum pb_nc_sig i_sig;
ITEM *nci;
struct pmenu *pmenu;
void *data;
void (*on_edit)(struct pmenu_item *item);
int (*on_execute)(struct pmenu_item *item);
};
struct pmenu_item *pmenu_item_alloc(struct pmenu *menu);
struct pmenu_item *pmenu_item_setup(struct pmenu *menu, struct pmenu_item *i,
unsigned int index, const char *name);
int pmenu_item_replace(struct pmenu_item *i, const char *name);
void pmenu_item_delete(struct pmenu_item *item);
static inline struct pmenu_item *pmenu_item_from_arg(void *arg)
{
struct pmenu_item *item = (struct pmenu_item *)arg;
assert(item->i_sig == pb_item_sig);
return item;
}
static inline struct cui_opt_data *cod_from_item(struct pmenu_item *item)
{
return item->data;
}
static inline struct pmenu_item *pmenu_item_init(struct pmenu *menu,
unsigned int index, const char *name)
{
return pmenu_item_setup(menu, pmenu_item_alloc(menu), index, name);
}
/**
* struct pmenu - Data structure defining complete menu.
* @insert_pt: Index in nc item array.
* @ncm: The ncurses menu instance for this menu.
*/
struct pmenu {
struct nc_scr scr;
MENU *ncm;
ITEM **items;
unsigned int item_count;
unsigned int insert_pt;
int (*hot_key)(struct pmenu *menu, struct pmenu_item *item, int c);
void (*on_exit)(struct pmenu *menu);
void (*on_new)(struct pmenu *menu);
};
struct pmenu *pmenu_init(void *ui_ctx, unsigned int item_count,
void (*on_exit)(struct pmenu *));
int pmenu_setup(struct pmenu *menu);
void pmenu_delete(struct pmenu *menu);
unsigned int pmenu_grow(struct pmenu *menu, unsigned int count);
int pmenu_remove(struct pmenu *menu, struct pmenu_item *item);
struct pmenu_item *pmenu_find_selected(struct pmenu *menu);
/* convenience routines */
int pmenu_exit_cb(struct pmenu_item *item);
static inline struct pmenu *pmenu_from_scr(struct nc_scr *scr)
{
struct pmenu *pmenu;
assert(scr->sig == pb_pmenu_sig);
pmenu = (struct pmenu *)((char *)scr
- (size_t)&((struct pmenu *)0)->scr);
assert(pmenu->scr.sig == pb_pmenu_sig);
return pmenu;
}
/* debug routines */
static inline void pmenu_dump_item(const ITEM *item)
{
pb_debug("%p %s\n", item, (item ? item->name.str : "(null)"));
}
static inline void pmenu_dump_items(ITEM *const *items, unsigned int count)
{
unsigned int i;
for (i = 0; i < count; i++)
pb_debug("%u: %p %s\n", i, items[i],
(items[i] ? items[i]->name.str : "(null)"));
}
#endif
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