blame: source/code/ReadKeyboard.cpp

/*

ReadKeyboard.cpp

Copyright (C) 2005 Poul Sander

    This program is free software; you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by

    the Free Software Foundation; either version 2 of the License, or

    (at your option) any later version.

    This program is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License

    along with this program; if not, write to the Free Software

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Poul Sander

    R�veh�jvej 36, V. 1111

    2800 Kgs. Lyngby

    DENMARK

    blockattack@poulsander.com

*/

#include "ReadKeyboard.h"

ReadKeyboard::ReadKeyboard(void)

{

    length = 0;

    maxLength = 16;

    position = 0;

    strcpy(textstring,"                              ");

}

ReadKeyboard::~ReadKeyboard(void)

{

}

Uint8 ReadKeyboard::CharsBeforeCursor()

{

    return position;

}

ReadKeyboard::ReadKeyboard(char *oldName)

{

    length = 0;

    maxLength = 16;

    position = 0;

    strcpy(textstring,"                              ");

    strcpy(textstring,oldName);

    char charecter = textstring[maxLength+1];

    int i = maxLength+1;

    while ((charecter == ' ') && (i>0))

    {

        i--;

        charecter = textstring[i];

    }

    if (i>0)length = i+1;

    else

        if (charecter == ' ') length = 0;

        else length = 1;

    position = length;

}

void ReadKeyboard::putchar(char thing)

{

    if (length < maxLength)

    {

        for (int i = 28; i>position;i--)

        {

            textstring[i]=textstring[i-1];

        }

        textstring[position] = thing;

        length++;

        position++;

    }

}

void ReadKeyboard::removeChar()

{

    for (int i = position;i<28;i++)

    {

        textstring[i]=textstring[i+1];

    }

    textstring[28]=' ';

    if (length>0)length--;

}

bool ReadKeyboard::ReadKey(SDLKey keyPressed)

{

    if (keyPressed == SDLK_SPACE)

    {

        ReadKeyboard::putchar(' ');

        return true;

    }

    if (keyPressed == SDLK_DELETE)

    {

        if ((length>0)&& (position<length))ReadKeyboard::removeChar();

        return true;

    }

    if (keyPressed == SDLK_BACKSPACE)

    {

        if (position>0)

        {

            position--;

            ReadKeyboard::removeChar();

            return true;

        }

        return false;

    }

    Uint8* keys;

    keys = SDL_GetKeyState(NULL);

    if (keyPressed == SDLK_HOME)

    {

        position=0;

        return true;

    }

    if (keyPressed == SDLK_END)

    {

        position=length;

        return true;

    }

    if ((keyPressed == SDLK_LEFT) && (position>0))

    {

        position--;

        return true;

    }

    if ((keyPressed == SDLK_RIGHT) && (position<length))

    {

        position++;

        return true;

    }

    char charToPut;

    switch (keyPressed)

    {

    case SDLK_a:

        charToPut = 'a';

        break;

    case SDLK_b:

        charToPut = 'b';

        break;

    case SDLK_c:

        charToPut = 'c';

        break;

    case SDLK_d:

        charToPut = 'd';

        break;

    case SDLK_e:

        charToPut = 'e';

        break;

    case SDLK_f:

        charToPut = 'f';

        break;

    case SDLK_g:

        charToPut = 'g';

        break;

    case SDLK_h:

        charToPut = 'h';

        break;

    case SDLK_i:

        charToPut = 'i';

        break;

    case SDLK_j:

        charToPut = 'j';

        break;

    case SDLK_k:

        charToPut = 'k';

        break;

    case SDLK_l:

        charToPut = 'l';

        break;

    case SDLK_m:

        charToPut = 'm';

        break;

    case SDLK_n:

        charToPut = 'n';

        break;

    case SDLK_o:

        charToPut = 'o';

        break;

    case SDLK_p:

        charToPut = 'p';

        break;

    case SDLK_q:

        charToPut = 'q';

        break;

    case SDLK_r:

        charToPut = 'r';

        break;

    case SDLK_s:

        charToPut = 's';

        break;

    case SDLK_t:

        charToPut = 't';

        break;

    case SDLK_u:

        charToPut = 'u';

        break;

    case SDLK_v:

        charToPut = 'v';

        break;

    case SDLK_w:

        charToPut = 'w';

        break;

    case SDLK_x:

        charToPut = 'x';

        break;

    case SDLK_y:

        charToPut = 'y';

        break;

    case SDLK_z:

        charToPut = 'z';

        break;

    case SDLK_0:

        charToPut = '0';

        break;

    case SDLK_1:

        charToPut = '1';

        break;

    case SDLK_2:

        charToPut = '2';

        break;

    case SDLK_3:

        charToPut = '3';

        break;

    case SDLK_4:

        charToPut = '4';

        break;

    case SDLK_5:

        charToPut = '5';

        break;

    case SDLK_6:

        charToPut = '6';

        break;

    case SDLK_7:

        charToPut = '7';

        break;

    case SDLK_8:

        charToPut = '8';

        break;

    case SDLK_9:

        charToPut = '9';

        break;

    case SDLK_KP0:

        charToPut = '0';

        break;

    case SDLK_KP1:

        charToPut = '1';

        break;

    case SDLK_KP2:

        charToPut = '2';

        break;

    case SDLK_KP3:

        charToPut = '3';

        break;

    case SDLK_KP4:

        charToPut = '4';

        break;

    case SDLK_KP5:

        charToPut = '5';

        break;

    case SDLK_KP6:

        charToPut = '6';

        break;

    case SDLK_KP7:

        charToPut = '7';

        break;

    case SDLK_KP8:

        charToPut = '8';

        break;

    case SDLK_KP9:

        charToPut = '9';

        break;

    case SDLK_KP_PERIOD:

    case SDLK_PERIOD:

        charToPut='.';

        break;

    default:

        return false;

    }

    if ((keys[SDLK_LSHIFT]) || (keys[SDLK_RSHIFT]))

    {

        switch (charToPut)

        {

        case 'a':

            charToPut = 'A';

            break;

        case 'b':

            charToPut = 'B';

            break;

        case 'c':

            charToPut = 'C';

            break;

        case 'd':

            charToPut = 'D';

            break;

        case 'e':

            charToPut = 'E';

            break;

        case 'f':

            charToPut = 'F';

            break;

        case 'g':

            charToPut = 'G';

            break;

        case 'h':

            charToPut = 'H';

            break;

        case 'i':

            charToPut = 'I';

            break;

        case 'j':

            charToPut = 'J';

            break;

        case 'k':

            charToPut = 'K';

            break;

        case 'l':

            charToPut = 'L';

            break;

        case 'm':

            charToPut = 'M';

            break;

        case 'n':

            charToPut = 'N';

            break;

        case 'o':

            charToPut = 'O';

            break;

        case 'p':

            charToPut = 'P';

            break;

        case 'q':

            charToPut = 'Q';

            break;

        case 'r':

            charToPut = 'R';

            break;

        case 's':

            charToPut = 'S';

            break;

        case 't':

            charToPut = 'T';

            break;

        case 'u':

            charToPut = 'U';

            break;

        case 'v':

            charToPut = 'V';

            break;

        case 'w':

            charToPut = 'W';

            break;

        case 'x':

            charToPut = 'X';

            break;

        case 'y':

            charToPut = 'Y';

            break;

        case 'z':

            charToPut = 'Z';

            break;

        default:

            charToPut = charToPut;

        }

    }

    ReadKeyboard::putchar(charToPut);

    return true;

}

char* ReadKeyboard::GetString()

{

    textstring[29]='\0';

    return &textstring[0];

}