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/*

 * Copyright (c) 2000 Greg Haerr <greg@censoft.com>

 *

 * Null Keyboard Driver

 */

#include <stdio.h>

#include "device.h"

static int  NUL_Open(KBDDEVICE *pkd);

static void NUL_Close(void);

static void NUL_GetModifierInfo(MWKEYMOD *modifiers, MWKEYMOD *curmodifiers);

static int  NUL_Read(MWUCHAR *buf, MWKEYMOD *modifiers, MWSCANCODE *scancode);

static int  NUL_Poll(void);

KBDDEVICE kbddev = {

        NUL_Open,

        NUL_Close,

        NUL_GetModifierInfo,

        NUL_Read,

        NUL_Poll

};

/*

 * Poll for keyboard events

 */

static int

NUL_Poll(void)

{

        return 0;

}

/*

 * Open the keyboard.

 */

static int

NUL_Open(KBDDEVICE *pkd)

{

        return -2;      /* no kbd*/

}

/*

 * Close the keyboard.

 */

static void

NUL_Close(void)

{

}

/*

 * Return the possible modifiers for the keyboard.

 */

static  void

NUL_GetModifierInfo(MWKEYMOD *modifiers, MWKEYMOD *curmodifiers)

{

        if (modifiers)

                *modifiers = 0;          /* no modifiers available */

        if (curmodifiers)

                *curmodifiers = 0;

}

/*

 * This reads one keystroke from the keyboard, and the current state of

 * the modifier keys (ALT, SHIFT, etc).  Returns -1 on error, 0 if no data

 * is ready, 1 on a keypress, and 2 on keyrelease.

 * This is a non-blocking call.

 */

static int

NUL_Read(MWKEY *buf, MWKEYMOD *modifiers, MWSCANCODE *scancode)

{

        return 0;

}