77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
#ifndef __GINTRACE_MENU_H__
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# define __GINTRACE_MENU_H__
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#include <stddef.h>
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#include <stdint.h>
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#include "gintrace/ubc.h"
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/* define menu information */
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struct menu {
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void (*ctor)(void *data);
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void (*init)(void *data);
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void (*display)(void *data);
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int (*keyboard)(void *data, int key);
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void (*command)(void *data, int argc, char **argv);
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void (*dtor)(void *data);
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struct {
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int (*ctor)(void *data);
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int (*dtor)(void *data);
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} special;
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};
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/* menu group information */
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struct menu_group {
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int is_open;
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int menu_page;
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int menu_counter;
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struct menu *selected;
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struct menu_list {
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const char *name;
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struct menu *menu;
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struct menu_list *next;
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} *list;
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volatile void *arg;
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};
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//---
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// User API
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//---
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enum {
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menu_retval_success = 0,
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menu_retval_enomem = -1,
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menu_retval_efault = -2,
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menu_retval_already_registered = -3,
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menu_retval_unregistered = -4,
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};
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/* menu_create(): Create a group of menus */
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extern int menu_create(struct menu_group **gmenu, volatile void *arg);
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/* menu_register(): Register a new menu to the internal menu table */
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extern int menu_register(struct menu_group *gmenus,
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struct menu *menu, const char *name);
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/* menu_unregister(): Unregister menu */
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extern int menu_unregister(struct menu_group *gmenus, const char *name);
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/* menu_is_open(): Return the menu status */
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extern int menu_is_open(struct menu_group *gmenu);
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/* menu_special_ctor(): Involve special contructor */
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extern int menu_special_ctor(struct menu_group *gmenu);
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/* menu_special_dtor(): Involve special destructor */
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extern int menu_special_dtor(struct menu_group *gmenu);
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/* menu_init(): Initialize all menu */
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extern int menu_init(struct menu_group *gmenus);
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/* menu_draw(): Draw menu specific information and menu abstraction overlay */
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extern int menu_draw(struct menu_group *gmenus);
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/* menu_keyboard(): handle keyboard event */
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extern int menu_keyboard(struct menu_group *gmenu);
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#endif /*__GINTRACE_MENU_H__*/
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