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//usr/include/efi/efiui.h

#ifndef _EFI_UI_H
#define _EFI_UI_H

/*++

Module Name:

EfiUi.h
    
Abstract:   
    Protocol used to build User Interface (UI) stuff.

This protocol is just data. It is a multi dimentional array.
    For each string there is an array of UI_STRING_ENTRY. Each string
    is for a different language translation of the same string. The list 
    is terminated by a NULL UiString. There can be any number of 
    UI_STRING_ENTRY arrays. A NULL array terminates the list. A NULL array
    entry contains all zeros.

Thus the shortest possible EFI_UI_PROTOCOL has three UI_STRING_ENTRY.
    The String, it's NULL terminator, and the NULL terminator for the entire 
    thing.

Revision History

--*/

#define EFI_UI_PROTOCOL \
    { 0x32dd7981, 0x2d27, 0x11d4, {0xbc, 0x8b, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81} }

typedef enum {
    UiDeviceString,
    UiVendorString,
    UiMaxString
} UI_STRING_TYPE;

typedef struct {
    ISO_639_2   *LangCode;
    CHAR16      *UiString;
} UI_STRING_ENTRY;

#define EFI_UI_VERSION      0x00010000

typedef struct _UI_INTERFACE {
    UINT32          Version;
    UI_STRING_ENTRY *Entry;
} UI_INTERFACE;

#endif