/*
 * PROJECT:     ReactOS KDBG Kernel Debugger Terminal Driver
 * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
 * PURPOSE:     KD Terminal Driver public header
 * COPYRIGHT:   Copyright 2023 Hermès Bélusca-Maïto <hermes.belusca-maito@reactos.org>
 */

#pragma once

#define KEY_BS          8
#define KEY_ESC         27
#define KEY_DEL         127

#define KEY_SCAN_UP     72
#define KEY_SCAN_DOWN   80

/* Scan codes of keyboard keys */
#define KEYSC_END       0x004f
#define KEYSC_PAGEUP    0x0049
#define KEYSC_PAGEDOWN  0x0051
#define KEYSC_HOME      0x0047
#define KEYSC_ARROWUP   0x0048  // == KEY_SCAN_UP


typedef struct _SIZE
{
    LONG cx;
    LONG cy;
} SIZE, *PSIZE;

/* KD Controlling Terminal */

/* These values MUST be nonzero, they're used as bit masks */
typedef enum _KDB_OUTPUT_SETTINGS
{
    KD_DEBUG_KDSERIAL = 1,
    KD_DEBUG_KDNOECHO = 2
} KDB_OUTPUT_SETTINGS;

extern ULONG KdbDebugState;
extern SIZE KdTermSize;
extern BOOLEAN KdTermConnected;
extern BOOLEAN KdTermSerial;
extern BOOLEAN KdTermReportsSize;

BOOLEAN
KdpInitTerminal(VOID);

BOOLEAN
KdpUpdateTerminalSize(
    _Out_ PSIZE TermSize);

VOID
KdpFlushTerminalInput(VOID);

CHAR
KdpReadTermKey(
    _Out_ PULONG ScanCode);

/* EOF */