ppc_common/Keyboard.cc

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "Keyboard.h"

PPCKeyboard::PPCKeyboard() : m_Dev(0)
{
}

PPCKeyboard::~PPCKeyboard()
{
}

void PPCKeyboard::initialise()
{
    //   m_Dev = OFDevice(OpenFirmware::instance().findDevice("/keyboard"));
    OFDevice chosen(OpenFirmware::instance().findDevice("/chosen"));
    m_Dev = chosen.getProperty("stdin");
    //   for(;;);
}

char PPCKeyboard::getChar()
{
    //  if (m_bDebugState)
    //{
    char c[4];
    while (OpenFirmware::instance().call(
               "read", 3, m_Dev, reinterpret_cast<OFParam>(c),
               reinterpret_cast<OFParam>(4)) != 0)
        ;
    if ((c[0] < ' ' || c[0] > '~') && c[0] != '\r' && c[0] != 0x08 &&
        c[0] != 0x09)
        return 0;
    else
        return c[0];
    //}
    // else
    // {
    // FATAL("KEYBOARD: getChar() should not be called in normal mode!");
    // return 0;
    // }
}

char PPCKeyboard::getCharNonBlock()
{
    // if (m_bDebugState)
    //{
    char c[4];
    if (OpenFirmware::instance().call(
            "read", 3, m_Dev, reinterpret_cast<OFParam>(c),
            reinterpret_cast<OFParam>(4)) != 0)
        return 0;
    if ((c[0] < ' ' || c[0] > '~') && c[0] != '\r' && c[0] != 0x08 &&
        c[0] != 0x09)
        return 0;
    if (c[0] == '\r')
        return '\n';
    else
        return c[0];
    //}
    // else
    //{
    // FATAL("KEYBOARD: getCharNonBlock() should not be called in normal
    // mode!");  return 0;
    // }
}

Keyboard::Character PPCKeyboard::getCharacter()
{
    Character c;
    c.valid = 1;
    c.ctrl = c.alt = c.shift = c.caps_lock = 0;
    c.num_lock = c.is_special = c.reserved = 0;
    c.value = getChar();

    return c;
}

Keyboard::Character PPCKeyboard::getCharacterNonBlock()
{
    Character c;
    c.valid = 1;
    c.ctrl = c.alt = c.shift = c.caps_lock = 0;
    c.num_lock = c.is_special = c.reserved = 0;
    c.value = getCharNonBlock();

    return c;
}

void PPCKeyboard::setDebugState(bool enableDebugMode)
{
}