#ifndef _al_included_aintern_keyboard_h
#define _al_included_aintern_keyboard_h

AL_BEGIN_EXTERN_C


typedef struct AL_KEYBOARD_DRIVER
{
   int  keydrv_id;
   const char *keydrv_name;
   const char *keydrv_desc;
   const char *keydrv_ascii_name;
   AL_METHOD(bool, init_keyboard, (void));
   AL_METHOD(void, exit_keyboard, (void));
   AL_METHOD(AL_KEYBOARD*, get_keyboard, (void));
   AL_METHOD(bool, set_keyboard_leds, (int leds));
   AL_METHOD(const char *, keycode_to_name, (int keycode));
   AL_METHOD(void, get_keyboard_state, (AL_KBDSTATE *ret_state));
} AL_KEYBOARD_DRIVER;


AL_ARRAY(_DRIVER_INFO, _al_keyboard_driver_list);

AL_ARRAY(const char *, _al_keyboard_common_names);


struct AL_KEYBOARD
{
   AL_EVENT_SOURCE es;
};


/* Helpers for AL_KBDSTATE structures.  */

#define _AL_KBDSTATE_KEY_DOWN(STATE, KEYCODE)                                  \
   (((STATE).__key_down__internal__[(KEYCODE) / 32] & (1 << ((KEYCODE) % 32))) \
    ? true : false)

#define _AL_KBDSTATE_SET_KEY_DOWN(STATE, KEYCODE)                       \
   do {                                                                 \
      int kc = (KEYCODE);                                               \
      (STATE).__key_down__internal__[kc / 32] |= (1 << (kc % 32));      \
   } while (0)

#define _AL_KBDSTATE_CLEAR_KEY_DOWN(STATE, KEYCODE)                     \
   do {                                                                 \
      int kc = (KEYCODE);                                               \
      (STATE).__key_down__internal__[kc / 32] &= ~(1 << (kc % 32));     \
   } while (0)


AL_END_EXTERN_C

#endif

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