Annotation of hatari/src/keymap.c, revision 1.1.1.5

1.1       root        1: /*
1.1.1.5 ! root        2:   Hatari - main.c
        !             3: 
        !             4:   This file is distributed under the GNU Public License, version 2 or at
        !             5:   your option any later version. Read the file gpl.txt for details.
1.1       root        6: 
1.1.1.3   root        7:   Here we process a key press and the remapping of the scancodes.
1.1       root        8: */
1.1.1.5 ! root        9: static char rcsid[] = "Hatari $Id: keymap.c,v 1.13 2003/06/28 14:29:58 thothy Exp $";
1.1       root       10: 
                     11: #include "main.h"
                     12: #include "debug.h"
                     13: #include "keymap.h"
                     14: #include "memAlloc.h"
                     15: #include "misc.h"
1.1.1.5 ! root       16: #include "configuration.h"
1.1.1.3   root       17: #include "ikbd.h"
                     18: #include "joy.h"
                     19: #include "shortcut.h"
                     20: #include "screen.h"
1.1.1.4   root       21: #include "debugui.h"
1.1       root       22: 
1.1.1.2   root       23: 
                     24: /*-----------------------------------------------------------------------*/
1.1       root       25: /*
1.1.1.5 ! root       26:   Remap table of PC keys to ST scan codes, -ve is invalid key (ie doesn't occur on ST)
1.1       root       27: 
                     28:   PC Keyboard:-
                     29: 
                     30:     Esc  F1  F2  F3  F4    F5  F6  F7  F8    F9  F10 F11 F12       Print Scroll Pause
                     31: 
                     32:      1   59  60  61  62    63  64  65  66    67  68  87  88                70     69
                     33: 
                     34: 
                     35: �  !   "   �   $   %   ^   &   *   (   )   _   +                                 Page
                     36: `  1   2   3   4   5   6   7   8   9   0   -   =   <-               Ins   Home    Up
                     37: 
                     38: 41 2   3   4   5   6   7   8   9   10  11  12  13  14               82     71     73
                     39:                                                                     --     --     --
                     40:                                                        |
                     41:                                              {   }     |                         Page
                     42: Tab  Q   W   E   R   T   Y   U   I   O   P   [   ] <----            Del   End    Down
1.1.1.5 ! root       43: 
1.1       root       44: 15   16  17  18  19  20  21  22  23  24  25  26  27  28             83     79     81
                     45:                                                                     --     --     --
                     46: 
                     47:                                            :   @   ~                       ^
                     48: Caps   A   S   D   F   G   H   J   K   L   ;   '   #                       |
                     49: 
                     50: 58     30  31  32  33  34  35  36  37  38  39  40  43                      72
                     51:                                                                            --
1.1.1.5 ! root       52: 
1.1       root       53: ^   |                               <   >   ?   ^
                     54: |   \   Z   X   C   V   B   N   M   ,   .   /   |                     <-   |   ->
                     55: 
                     56: 42  86  44  45  46  47  48  49  50  51  52  53  54                    75   80  77
                     57:                                                                       --   --  --
                     58: 
                     59: Ctrl  Alt          SPACE             Alt Gr      Ctrl
                     60: 
                     61:  29    56            57                56         29
                     62:                                                   --
                     63: 
                     64:   And:-
                     65: 
                     66: Num
                     67: Lock   /    *    -
                     68: 
                     69: 69     53   55   74
                     70: --     --
                     71: 
                     72:  7    8     9    +
                     73: Home  ^   Pg Up
                     74: 
                     75: 71    72    73   78
                     76: 
                     77: 
                     78: 4     5     6
                     79: <-          ->
                     80: 
                     81: 75    76    77
                     82: 
                     83: 
                     84: 1     2     3
                     85: End   |   Pg Dn  Enter
                     86: 
                     87: 79    70    81    28
                     88:                   --
                     89: 
                     90: 0     .
                     91: Ins   Del
                     92: 
                     93: 82    83
                     94: 
                     95: 
                     96: */
                     97: 
                     98: 
1.1.1.5 ! root       99: /* SDL symbolic key to ST scan code mapping table */
        !           100: static const char SymbolicKeyToSTScanCode[SDLK_LAST] =
        !           101: {
1.1.1.2   root      102: /* ST Code,  PC Code */
1.1       root      103:   -1,    /* 0 */
                    104:   -1,    /* 1 */
                    105:   -1,    /* 2 */
                    106:   -1,    /* 3 */
                    107:   -1,    /* 4 */
                    108:   -1,    /* 5 */
                    109:   -1,    /* 6 */
                    110:   -1,    /* 7 */
                    111:   0x0E,  /* SDLK_BACKSPACE=8 */
                    112:   0x0F,  /* SDLK_TAB=9 */
                    113:   -1,    /* 10 */
                    114:   -1,    /* 11 */
1.1.1.5 ! root      115:   0x47,  /* SDLK_CLEAR = 12 */
1.1       root      116:   0x1C,  /* SDLK_RETURN = 13 */
                    117:   -1,    /* 14 */
                    118:   -1,    /* 15 */
                    119:   -1,    /* 16 */
                    120:   -1,    /* 17 */
                    121:   -1,    /* 18 */
                    122:   -1,    /* SDLK_PAUSE = 19 */
                    123:   -1,    /* 20 */
                    124:   -1,    /* 21 */
                    125:   -1,    /* 22 */
                    126:   -1,    /* 23 */
                    127:   -1,    /* 24 */
                    128:   -1,    /* 25 */
                    129:   -1,    /* 26 */
                    130:   0x01,  /* SDLK_ESCAPE = 27 */
                    131:   -1,    /* 28 */
                    132:   -1,    /* 29 */
                    133:   -1,    /* 30 */
                    134:   -1,    /* 31 */
                    135:   0x39,  /* SDLK_SPACE = 32 */
                    136:   -1,    /* SDLK_EXCLAIM = 33 */
                    137:   -1,    /* SDLK_QUOTEDBL = 34 */
1.1.1.5 ! root      138:   0x29,  /* SDLK_HASH = 35 */
1.1       root      139:   -1,    /* SDLK_DOLLAR = 36 */
                    140:   -1,    /* 37 */
                    141:   -1,    /* SDLK_AMPERSAND = 38 */
                    142:   -1,    /* SDLK_QUOTE = 39 */
                    143:   0x63,  /* SDLK_LEFTPAREN = 40 */
                    144:   0x64,  /* SDLK_RIGHTPAREN = 41 */
                    145:   -1,    /* SDLK_ASTERISK = 42 */
                    146:   0x1B,  /* SDLK_PLUS = 43 */
                    147:   0x33,  /* SDLK_COMMA = 44 */
                    148:   0x35,  /* SDLK_MINUS = 45 */
                    149:   0x34,  /* SDLK_PERIOD = 46 */
                    150:   -1,    /* SDLK_SLASH = 47 */
                    151:   0x0B,  /* SDLK_0 = 48 */
                    152:   0x02,  /* SDLK_1 = 49 */
                    153:   0x03,  /* SDLK_2 = 50 */
                    154:   0x04,  /* SDLK_3 = 51 */
                    155:   0x05,  /* SDLK_4 = 52 */
                    156:   0x06,  /* SDLK_5 = 53 */
                    157:   0x07,  /* SDLK_6 = 54 */
                    158:   0x08,  /* SDLK_7 = 55 */
                    159:   0x09,  /* SDLK_8 = 56 */
                    160:   0x0A,  /* SDLK_9 = 57 */
                    161:   -1,    /* SDLK_COLON = 58 */
                    162:   -1,    /* SDLK_SEMICOLON = 59 */
                    163:   0x60,  /* SDLK_LESS = 60 */
                    164:   -1,    /* SDLK_EQUALS = 61 */
                    165:   -1,    /* SDLK_GREATER  = 62 */
                    166:   -1,    /* SDLK_QUESTION = 63 */
                    167:   -1,    /* SDLK_AT = 64 */
                    168:   -1,    /* 65 */  /* Skip uppercase letters */
                    169:   -1,    /* 66 */
                    170:   -1,    /* 67 */
                    171:   -1,    /* 68 */
                    172:   -1,    /* 69 */
                    173:   -1,    /* 70 */
                    174:   -1,    /* 71 */
                    175:   -1,    /* 72 */
                    176:   -1,    /* 73 */
                    177:   -1,    /* 74 */
                    178:   -1,    /* 75 */
                    179:   -1,    /* 76 */
                    180:   -1,    /* 77 */
                    181:   -1,    /* 78 */
                    182:   -1,    /* 79 */
                    183:   -1,    /* 80 */
                    184:   -1,    /* 81 */
                    185:   -1,    /* 82 */
                    186:   -1,    /* 83 */
                    187:   -1,    /* 84 */
                    188:   -1,    /* 85 */
                    189:   -1,    /* 86 */
                    190:   -1,    /* 87 */
                    191:   -1,    /* 88 */
                    192:   -1,    /* 89 */
                    193:   -1,    /* 90 */
1.1.1.5 ! root      194:   0x63,  /* SDLK_LEFTBRACKET = 91 */
1.1       root      195:   -1,    /* SDLK_BACKSLASH = 92 */
1.1.1.5 ! root      196:   0x64,  /* SDLK_RIGHTBRACKET = 93 */
        !           197:   0x2B,  /* SDLK_CARET = 94 */
1.1       root      198:   -1,    /* SDLK_UNDERSCORE = 95 */
                    199:   -1,    /* SDLK_BACKQUOTE = 96 */
                    200:   0x1E,  /* SDLK_a = 97 */
                    201:   0x30,  /* SDLK_b = 98 */
                    202:   0x2E,  /* SDLK_c = 99 */
                    203:   0x20,  /* SDLK_d = 100 */
                    204:   0x12,  /* SDLK_e = 101 */
                    205:   0x21,  /* SDLK_f = 102 */
                    206:   0x22,  /* SDLK_g = 103 */
                    207:   0x23,  /* SDLK_h = 104 */
                    208:   0x17,  /* SDLK_i = 105 */
                    209:   0x24,  /* SDLK_j = 106 */
                    210:   0x25,  /* SDLK_k = 107 */
                    211:   0x26,  /* SDLK_l = 108 */
                    212:   0x32,  /* SDLK_m = 109 */
                    213:   0x31,  /* SDLK_n = 110 */
                    214:   0x18,  /* SDLK_o = 111 */
                    215:   0x19,  /* SDLK_p = 112 */
                    216:   0x10,  /* SDLK_q = 113 */
                    217:   0x13,  /* SDLK_r = 114 */
                    218:   0x1F,  /* SDLK_s = 115 */
                    219:   0x14,  /* SDLK_t = 116 */
                    220:   0x16,  /* SDLK_u = 117 */
                    221:   0x2F,  /* SDLK_v = 118 */
                    222:   0x11,  /* SDLK_w = 119 */
                    223:   0x2D,  /* SDLK_x = 120 */
                    224:   0x15,  /* SDLK_y = 121 */
                    225:   0x2C,  /* SDLK_z = 122 */
                    226:   -1,    /* 123 */
                    227:   -1,    /* 124 */
                    228:   -1,    /* 125 */
                    229:   -1,    /* 126 */
                    230:   0x53,  /* SDLK_DELETE = 127 */
                    231:   /* End of ASCII mapped keysyms */
                    232:   -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 128-143*/
                    233:   -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 144-159*/
                    234:   -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 160-175*/
1.1.1.5 ! root      235:   -1, -1, -1, -1, 0x0d, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 176-191*/
1.1       root      236:   -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 192-207*/
                    237:   -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 208-223*/
1.1.1.5 ! root      238:   -1, -1, -1, -1, 0x28, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 224-239*/
        !           239:   -1, -1, -1, -1, -1, -1, 0x27, -1, -1, -1, -1, -1, 0x1A, -1, -1, -1, /* 240-255*/
1.1       root      240:   /* Numeric keypad: */
                    241:   0x70,    /* SDLK_KP0 = 256 */
                    242:   0x6D,    /* SDLK_KP1 = 257 */
                    243:   0x6E,    /* SDLK_KP2 = 258 */
                    244:   0x6F,    /* SDLK_KP3 = 259 */
                    245:   0x6A,    /* SDLK_KP4 = 260 */
                    246:   0x6B,    /* SDLK_KP5 = 261 */
                    247:   0x6C,    /* SDLK_KP6 = 262 */
                    248:   0x67,    /* SDLK_KP7 = 263 */
                    249:   0x68,    /* SDLK_KP8 = 264 */
                    250:   0x69,    /* SDLK_KP9 = 265 */
                    251:   0x71,    /* SDLK_KP_PERIOD = 266 */
                    252:   0x65,    /* SDLK_KP_DIVIDE = 267 */
                    253:   0x66,    /* SDLK_KP_MULTIPLY = 268 */
                    254:   0x4A,    /* SDLK_KP_MINUS = 269 */
                    255:   0x4E,    /* SDLK_KP_PLUS = 270 */
                    256:   0x72,    /* SDLK_KP_ENTER = 271 */
                    257:   -1,      /* SDLK_KP_EQUALS = 272 */
                    258:   /* Arrows + Home/End pad */
                    259:   0x48,    /* SDLK_UP = 273 */
                    260:   0x50,    /* SDLK_DOWN = 274 */
                    261:   0x4D,    /* SDLK_RIGHT = 275 */
                    262:   0x4B,    /* SDLK_LEFT = 276 */
                    263:   0x52,    /* SDLK_INSERT = 277 */
                    264:   0x47,    /* SDLK_HOME = 278 */
                    265:   0x61,    /* SDLK_END = 279 */
                    266:   0x63,    /* SDLK_PAGEUP = 280 */
                    267:   0x64,    /* SDLK_PAGEDOWN = 281 */
                    268:   /* Function keys */
                    269:   0x3B,    /* SDLK_F1 = 282 */
                    270:   0x3C,    /* SDLK_F2 = 283 */
                    271:   0x3D,    /* SDLK_F3 = 284 */
                    272:   0x3E,    /* SDLK_F4 = 285 */
                    273:   0x3F,    /* SDLK_F5 = 286 */
                    274:   0x40,    /* SDLK_F6 = 287 */
                    275:   0x41,    /* SDLK_F7 = 288 */
                    276:   0x42,    /* SDLK_F8 = 289 */
                    277:   0x43,    /* SDLK_F9 = 290 */
                    278:   0x44,    /* SDLK_F10 = 291 */
                    279:   -1,      /* SDLK_F11 = 292 */
                    280:   -1,      /* SDLK_F12 = 293 */
                    281:   -1,      /* SDLK_F13 = 294 */
                    282:   -1,      /* SDLK_F14 = 295 */
                    283:   -1,      /* SDLK_F15 = 296 */
                    284:   -1,      /* 297 */
                    285:   -1,      /* 298 */
                    286:   -1,      /* 299 */
                    287:   /* Key state modifier keys */
1.1.1.5 ! root      288:   -1,      /* SDLK_NUMLOCK = 300 */
1.1       root      289:   0x3A,    /* SDLK_CAPSLOCK = 301 */
                    290:   0x61,    /* SDLK_SCROLLOCK = 302 */
                    291:   0x36,    /* SDLK_RSHIFT = 303 */
                    292:   0x2A,    /* SDLK_LSHIFT = 304 */
                    293:   0x1D,    /* SDLK_RCTRL = 305 */
                    294:   0x1D,    /* SDLK_LCTRL = 306 */
                    295:   0x38,    /* SDLK_RALT = 307 */
                    296:   0x38,    /* SDLK_LALT = 308 */
                    297:   -1,      /* SDLK_RMETA = 309 */
                    298:   -1,      /* SDLK_LMETA = 310 */
1.1.1.5 ! root      299:   -1,      /* SDLK_LSUPER = 311 */
        !           300:   -1,      /* SDLK_RSUPER = 312 */
        !           301:   -1,      /* SDLK_MODE = 313 */     /* "Alt Gr" key */
        !           302:   -1,      /* SDLK_COMPOSE = 314 */
1.1       root      303:   /* Miscellaneous function keys */
                    304:   0x62,    /* SDLK_HELP = 315 */
1.1.1.5 ! root      305:   0x62,    /* SDLK_PRINT = 316 */
1.1       root      306:   -1,      /* SDLK_SYSREQ = 317 */
                    307:   -1,      /* SDLK_BREAK = 318 */
                    308:   -1,      /* SDLK_MENU = 319 */
1.1.1.5 ! root      309:   -1,      /* SDLK_POWER = 320 */
        !           310:   -1,      /* SDLK_EURO = 321 */
        !           311:   0x61     /* SDLK_UNDO = 322 */
1.1       root      312: };
                    313: 
1.1.1.5 ! root      314: /* Table for loaded keys: */
        !           315: static char LoadedKeyToSTScanCode[SDLK_LAST];
        !           316: 
        !           317: /* This table is used to translate a symbolic keycode to the (SDL) scancode */
        !           318: static Uint8 SdlSymToSdlScan[SDLK_LAST];
        !           319: 
1.1       root      320: 
1.1.1.3   root      321: /* List of ST scan codes to NOT de-bounce when running in maximum speed */
1.1.1.5 ! root      322: static char DebounceExtendedKeys[] =
        !           323: {
1.1.1.3   root      324:   0x1d,  /* CTRL */
                    325:   0x2a,  /* Left SHIFT */
                    326:   0x01,  /* ESC */
                    327:   0x38,  /* ALT */
                    328:   0x36,  /* Right SHIFT */
                    329:   0      /* term */
                    330: };
                    331: 
                    332: 
1.1.1.5 ! root      333: 
        !           334: /*-----------------------------------------------------------------------*/
        !           335: /*
        !           336:   Initialization.
        !           337: */
        !           338: void Keymap_Init(void)
        !           339: {
        !           340:   Memory_Clear(SdlSymToSdlScan, sizeof(SdlSymToSdlScan));
        !           341:   Keymap_LoadRemapFile(ConfigureParams.Keyboard.szMappingFileName);
        !           342: }
        !           343: 
        !           344: 
        !           345: /*-----------------------------------------------------------------------*/
        !           346: /*
        !           347:   Heuristic analysis to find out the obscure scancode offset.
        !           348:   This clever code has been taken from the emulator Aranym. (cheers!)
        !           349: */
        !           350: static int Keymap_FindScanCodeOffset(SDL_keysym* keysym)
        !           351: {
        !           352:   int offset = -1;    /* uninitialized scancode offset */
        !           353:   int scanPC = keysym->scancode;
        !           354: 
        !           355:   if(scanPC == 0)  return -1;  /* Ignore illegal scancode */
        !           356: 
        !           357:   switch(keysym->sym)
        !           358:   {
        !           359:     case SDLK_ESCAPE:  offset = scanPC - 0x01; break;
        !           360:     case SDLK_1:  offset = scanPC - 0x02; break;
        !           361:     case SDLK_2:  offset = scanPC - 0x03; break;
        !           362:     case SDLK_3:  offset = scanPC - 0x04; break;
        !           363:     case SDLK_4:  offset = scanPC - 0x05; break;
        !           364:     case SDLK_5:  offset = scanPC - 0x06; break;
        !           365:     case SDLK_6:  offset = scanPC - 0x07; break;
        !           366:     case SDLK_7:  offset = scanPC - 0x08; break;
        !           367:     case SDLK_8:  offset = scanPC - 0x09; break;
        !           368:     case SDLK_9:  offset = scanPC - 0x0a; break;
        !           369:     case SDLK_0:  offset = scanPC - 0x0b; break;
        !           370:     case SDLK_BACKSPACE:  offset = scanPC - 0x0e; break;
        !           371:     case SDLK_TAB:  offset = scanPC - 0x0f; break;
        !           372:     case SDLK_RETURN:  offset = scanPC - 0x1c; break;
        !           373:     case SDLK_SPACE:  offset = scanPC - 0x39; break;
        !           374:     case SDLK_q:  offset = scanPC - 0x10; break;
        !           375:     case SDLK_w:  offset = scanPC - 0x11; break;
        !           376:     case SDLK_e:  offset = scanPC - 0x12; break;
        !           377:     case SDLK_r:  offset = scanPC - 0x13; break;
        !           378:     case SDLK_t:  offset = scanPC - 0x14; break;
        !           379:     case SDLK_y:  offset = scanPC - 0x15; break;
        !           380:     case SDLK_u:  offset = scanPC - 0x16; break;
        !           381:     case SDLK_i:  offset = scanPC - 0x17; break;
        !           382:     case SDLK_o:  offset = scanPC - 0x18; break;
        !           383:     case SDLK_p:  offset = scanPC - 0x19; break;
        !           384:     case SDLK_a:  offset = scanPC - 0x1e; break;
        !           385:     case SDLK_s:  offset = scanPC - 0x1f; break;
        !           386:     case SDLK_d:  offset = scanPC - 0x20; break;
        !           387:     case SDLK_f:  offset = scanPC - 0x21; break;
        !           388:     case SDLK_g:  offset = scanPC - 0x22; break;
        !           389:     case SDLK_h:  offset = scanPC - 0x23; break;
        !           390:     case SDLK_j:  offset = scanPC - 0x24; break;
        !           391:     case SDLK_k:  offset = scanPC - 0x25; break;
        !           392:     case SDLK_l:  offset = scanPC - 0x26; break;
        !           393:     case SDLK_z:  offset = scanPC - 0x2c; break;
        !           394:     case SDLK_x:  offset = scanPC - 0x2d; break;
        !           395:     case SDLK_c:  offset = scanPC - 0x2e; break;
        !           396:     case SDLK_v:  offset = scanPC - 0x2f; break;
        !           397:     case SDLK_b:  offset = scanPC - 0x30; break;
        !           398:     case SDLK_n:  offset = scanPC - 0x31; break;
        !           399:     case SDLK_m:  offset = scanPC - 0x32; break;
        !           400:     case SDLK_CAPSLOCK:  offset = scanPC - 0x3a; break;
        !           401:     case SDLK_LSHIFT:  offset = scanPC - 0x2a; break;
        !           402:     case SDLK_LCTRL:  offset = scanPC - 0x1d; break;
        !           403:     case SDLK_LALT:  offset = scanPC - 0x38; break;
        !           404:     case SDLK_F1:  offset = scanPC - 0x3b; break;
        !           405:     case SDLK_F2:  offset = scanPC - 0x3c; break;
        !           406:     case SDLK_F3:  offset = scanPC - 0x3d; break;
        !           407:     case SDLK_F4:  offset = scanPC - 0x3e; break;
        !           408:     case SDLK_F5:  offset = scanPC - 0x3f; break;
        !           409:     case SDLK_F6:  offset = scanPC - 0x40; break;
        !           410:     case SDLK_F7:  offset = scanPC - 0x41; break;
        !           411:     case SDLK_F8:  offset = scanPC - 0x42; break;
        !           412:     case SDLK_F9:  offset = scanPC - 0x43; break;
        !           413:     case SDLK_F10:  offset = scanPC - 0x44; break;
        !           414:     default:  break;
        !           415:   }
        !           416: 
        !           417:   if (offset != -1)
        !           418:   {
        !           419:     fprintf(stderr, "Detected scancode offset = %d (key: '%s' with scancode $%02x)\n",
        !           420:             offset, SDL_GetKeyName(keysym->sym), scanPC);
        !           421:   }
        !           422: 
        !           423:   return offset;
        !           424: }
        !           425: 
        !           426: 
        !           427: /*-----------------------------------------------------------------------*/
        !           428: /*
        !           429:   Map PC scancode to ST scancode.
        !           430:   This code was heavily inspired by the emulator Aranym. (cheers!)
        !           431: */
        !           432: static char Keymap_PcToStScanCode(SDL_keysym* keysym)
        !           433: {
        !           434:   static int offset = -1;    /* uninitialized scancode offset */
        !           435: 
        !           436:   switch(keysym->sym)
        !           437:   {
        !           438:     /* Numeric Pad */
        !           439:     /* note that the numbers are handled in Keymap_GetKeyPadScanCode()! */
        !           440:     case SDLK_KP_DIVIDE:   return 0x65;  /* Numpad / */
        !           441:     case SDLK_KP_MULTIPLY: return 0x66;  /* NumPad * */
        !           442:     case SDLK_KP_MINUS:    return 0x4a;  /* NumPad - */
        !           443:     case SDLK_KP_PLUS:     return 0x4e;  /* NumPad + */
        !           444:     case SDLK_KP_PERIOD:   return 0x71;  /* NumPad . */
        !           445:     case SDLK_KP_ENTER:    return 0x72;  /* NumPad Enter */
        !           446: 
        !           447:     /* Special Keys */
        !           448:     /*case SDLK_F11:  return 0x62;*/  /* F11 => Help */
        !           449:     /*case SDLK_F12:  return 0x61;*/  /* F12 => Undo */
        !           450:     case SDLK_HOME:   return 0x47;  /* Home */
        !           451:     case SDLK_END:    return 0x60;  /* End => "<>" on German Atari kbd */
        !           452:     case SDLK_UP:     return 0x48;  /* Arrow Up */
        !           453:     case SDLK_LEFT:   return 0x4b;  /* Arrow Left */
        !           454:     case SDLK_RIGHT:  return 0x4d;  /* Arrow Right */
        !           455:     case SDLK_DOWN:   return 0x50;  /* Arrow Down */
        !           456:     case SDLK_INSERT: return 0x52;  /* Insert */
        !           457:     case SDLK_DELETE: return 0x53;  /* Delete */
        !           458:     case SDLK_LESS:   return 0x60;  /* "<" */
        !           459: 
        !           460:     /* Map Right Alt/Alt Gr/Control to the Atari keys */
        !           461:     case SDLK_RCTRL:  return 0x1d;  /* Control */
        !           462:     case SDLK_RALT:   return 0x38;  /* Alternate */
        !           463: 
        !           464:     default:
        !           465:     {
        !           466:       /* Process remaining keys: assume that it's PC101 keyboard
        !           467:        * and that it is compatible with Atari ST keyboard (basically
        !           468:        * same scancodes but on different platforms with different
        !           469:        * base offset (framebuffer = 0, X11 = 8).
        !           470:        * Try to detect the offset using a little bit of black magic.
        !           471:        * If offset is known then simply pass the scancode. */
        !           472:       int scanPC = keysym->scancode;
        !           473:       if (offset == -1)
        !           474:       {
        !           475:         offset = Keymap_FindScanCodeOffset(keysym);
        !           476:       }
        !           477: 
        !           478:       if (offset >= 0)
        !           479:       {
        !           480:         /* offset is defined so pass the scancode directly */
        !           481:         return (scanPC - offset);
        !           482:       }
        !           483:       else
        !           484:       {
        !           485:         fprintf(stderr, "Unknown key: scancode = %d ($%02x), keycode = '%s' ($%02x)\n",
        !           486:                 scanPC, scanPC, SDL_GetKeyName(keysym->sym), keysym->sym);
        !           487:        fprintf(stderr,"trying offset 8 (the most likely !)\n");
        !           488:         return (scanPC - 8);
        !           489:       }
        !           490:     }
        !           491:   }
        !           492: }
        !           493: 
        !           494: 
        !           495: /*-----------------------------------------------------------------------*/
        !           496: /*
        !           497:   Remap a keypad key to ST scan code. We use a separate function for this
        !           498:   so that we can easily toggle between number and cursor mode with the
        !           499:   numlock key.
        !           500: */
        !           501: static char Keymap_GetKeyPadScanCode(SDL_keysym* pKeySym)
        !           502: {
        !           503:   if(SDL_GetModState() & KMOD_NUM)
        !           504:   {
        !           505:     switch(pKeySym->sym)
        !           506:     {
        !           507:       case SDLK_KP0:  return 0x70;  /* NumPad 0 */
        !           508:       case SDLK_KP1:  return 0x6d;  /* NumPad 1 */
        !           509:       case SDLK_KP2:  return 0x6e;  /* NumPad 2 */
        !           510:       case SDLK_KP3:  return 0x6f;  /* NumPad 3 */
        !           511:       case SDLK_KP4:  return 0x6a;  /* NumPad 4 */
        !           512:       case SDLK_KP5:  return 0x6b;  /* NumPad 5 */
        !           513:       case SDLK_KP6:  return 0x6c;  /* NumPad 6 */
        !           514:       case SDLK_KP7:  return 0x67;  /* NumPad 7 */
        !           515:       case SDLK_KP8:  return 0x68;  /* NumPad 8 */
        !           516:       case SDLK_KP9:  return 0x69;  /* NumPad 9 */
        !           517:       default:  break;
        !           518:     }
        !           519:   }
        !           520:   else
        !           521:   {
        !           522:     switch(pKeySym->sym)
        !           523:     {
        !           524:       case SDLK_KP0:  return 0x70;  /* NumPad 0 */
        !           525:       case SDLK_KP1:  return 0x6d;  /* NumPad 1 */
        !           526:       case SDLK_KP2:  return 0x50;  /* Cursor down */
        !           527:       case SDLK_KP3:  return 0x6f;  /* NumPad 3 */
        !           528:       case SDLK_KP4:  return 0x4b;  /* Cursor left */
        !           529:       case SDLK_KP5:  return 0x50;  /* Cursor down (again?) */
        !           530:       case SDLK_KP6:  return 0x4d;  /* Cursor right */
        !           531:       case SDLK_KP7:  return 0x52;  /* Insert - good for Dungeon Master */
        !           532:       case SDLK_KP8:  return 0x48;  /* Cursor up */
        !           533:       case SDLK_KP9:  return 0x47;  /* Home - again for Dungeon Master */
        !           534:       default:  break;
        !           535:     }
        !           536:   }
        !           537: 
        !           538:   return -1;
        !           539: }
1.1       root      540: 
                    541: 
1.1.1.2   root      542: /*-----------------------------------------------------------------------*/
1.1       root      543: /*
                    544:   Remap SDL Key to ST Scan code
                    545: */
1.1.1.5 ! root      546: char Keymap_RemapKeyToSTScanCode(SDL_keysym* pKeySym)
1.1       root      547: {
1.1.1.5 ! root      548:   static BOOL bScanCodesInitialized = FALSE;
        !           549: 
        !           550:   if(pKeySym->sym >= SDLK_LAST)  return -1;  /* Avoid illegal keys */
        !           551: 
        !           552:   /* Check for keypad first so we can handle numlock */
        !           553:   if(ConfigureParams.Keyboard.nKeymapType != KEYMAP_LOADED)
        !           554:   {
        !           555:     if(pKeySym->sym >= SDLK_KP0 && pKeySym->sym <= SDLK_KP9)
        !           556:     {
        !           557:       return Keymap_GetKeyPadScanCode(pKeySym);
        !           558:     }
        !           559:   }
        !           560: 
        !           561:   /* Remap from PC scancodes? */
        !           562:   if(ConfigureParams.Keyboard.nKeymapType == KEYMAP_SCANCODE)
        !           563:   {
        !           564:     /* We sometimes enter here with an illegal (=0) scancode, so we keep
        !           565:      * track of the right scancodes in a table and then use a value from there.
        !           566:      */
        !           567:     if(pKeySym->scancode != 0)
        !           568:     {
        !           569:       SdlSymToSdlScan[pKeySym->sym] = pKeySym->scancode;
        !           570:     }
        !           571:     else
        !           572:     {
        !           573:       pKeySym->scancode = SdlSymToSdlScan[pKeySym->sym];
        !           574:       if(pKeySym->scancode == 0)
        !           575:         fprintf(stderr, "Warning: Key scancode is 0!\n");
        !           576:     }
        !           577: 
        !           578:     return Keymap_PcToStScanCode(pKeySym);
        !           579:   }
        !           580: 
1.1       root      581:   /* Use default or loaded? */
1.1.1.5 ! root      582:   if(ConfigureParams.Keyboard.nKeymapType == KEYMAP_LOADED)
        !           583:     return LoadedKeyToSTScanCode[pKeySym->sym];
1.1       root      584:   else
1.1.1.5 ! root      585:     return SymbolicKeyToSTScanCode[pKeySym->sym];
1.1       root      586: }
                    587: 
1.1.1.2   root      588: 
                    589: /*-----------------------------------------------------------------------*/
1.1       root      590: /*
                    591:   Load keyboard remap file
                    592: */
                    593: void Keymap_LoadRemapFile(char *pszFileName)
                    594: {
                    595:   char szString[1024];
1.1.1.5 ! root      596:   unsigned int STScanCode, PCKeyCode;
1.1       root      597:   FILE *in;
                    598: 
1.1.1.5 ! root      599:   /* Initialize table with default values */
        !           600:   memcpy(LoadedKeyToSTScanCode, SymbolicKeyToSTScanCode, sizeof(LoadedKeyToSTScanCode));
1.1       root      601: 
1.1.1.2   root      602:   /* Attempt to load file */
1.1.1.5 ! root      603:   if (strlen(pszFileName)>0)
        !           604:   {
1.1.1.2   root      605:     /* Open file */
1.1       root      606:     in = fopen(pszFileName, "r");
1.1.1.5 ! root      607:     if (in)
        !           608:     {
        !           609:       while(!feof(in))
        !           610:       {
1.1.1.2   root      611:         /* Read line from file */
1.1.1.5 ! root      612:         fgets(szString, sizeof(szString), in);
1.1.1.2   root      613:         /* Remove white-space from start of line */
1.1       root      614:         Misc_RemoveWhiteSpace(szString,sizeof(szString));
1.1.1.5 ! root      615:         if (strlen(szString)>0)
        !           616:         {
1.1.1.2   root      617:           /* Is a comment? */
1.1       root      618:           if ( (szString[0]==';') || (szString[0]=='#') )
                    619:             continue;
1.1.1.2   root      620:           /* Read values */
1.1.1.5 ! root      621:           sscanf(szString, "%d,%d", &PCKeyCode, &STScanCode);
1.1.1.2   root      622:           /* Store into remap table, check both value within range */
1.1.1.5 ! root      623:           if ( (PCKeyCode>=0) && (PCKeyCode<SDLK_LAST) && (STScanCode>=0) && (STScanCode<256) )
        !           624:             LoadedKeyToSTScanCode[PCKeyCode] = STScanCode;
1.1       root      625:         }
                    626:       }
                    627: 
                    628:       fclose(in);
                    629:     }
                    630:   }
                    631: }
1.1.1.3   root      632: 
                    633: 
                    634: /*-----------------------------------------------------------------------*/
                    635: /*
                    636:   Scan list of keys to NOT de-bounce when running in maximum speed, eg ALT,SHIFT,CTRL etc...
                    637:   Return TRUE if key requires de-bouncing
                    638: */
                    639: BOOL Keymap_DebounceSTKey(char STScanCode)
                    640: {
                    641:   int i=0;
                    642: 
                    643:   /* Are we in maximum speed, and have disabled key repeat? */
1.1.1.5 ! root      644:   if((ConfigureParams.System.nMinMaxSpeed!=MINMAXSPEED_MIN) && (ConfigureParams.Keyboard.bDisableKeyRepeat))
        !           645:   {
1.1.1.3   root      646:     /* We should de-bounce all non extended keys, eg leave ALT,SHIFT,CTRL etc... held */
1.1.1.5 ! root      647:     while (DebounceExtendedKeys[i])
        !           648:     {
1.1.1.3   root      649:       if (STScanCode==DebounceExtendedKeys[i])
                    650:         return(FALSE);
                    651:       i++;
                    652:     }
                    653: 
                    654:     /* De-bounce key */
                    655:     return(TRUE);
                    656:   }
                    657: 
                    658:   /* Do not de-bounce key */
                    659:   return(FALSE);
                    660: }
                    661: 
                    662: 
                    663: /*-----------------------------------------------------------------------*/
                    664: /*
                    665:   Debounce any PC key held down if running with key repeat disabled
                    666:   This is called each ST frame, so keys get held down for one VBL which is enough for 68000 code to scan
                    667: */
                    668: void Keymap_DebounceAllKeys(void)
                    669: {
1.1.1.5 ! root      670:   unsigned int key;
1.1.1.3   root      671:   char STScanCode;
1.1.1.5 ! root      672:   BOOL bUseScanCodes;
        !           673:   SDL_keysym tmpKeySym;
1.1.1.3   root      674: 
1.1.1.5 ! root      675:   /* Return if we aren't in maximum speed or have not disabled key repeat */
        !           676:   if((ConfigureParams.System.nMinMaxSpeed == MINMAXSPEED_MIN)
        !           677:      || (!ConfigureParams.Keyboard.bDisableKeyRepeat))
        !           678:   {
        !           679:      return;
        !           680:   }
        !           681: 
        !           682:   tmpKeySym.mod = 0;
        !           683: 
        !           684:   /* Now run through each PC key looking for ones held down */
        !           685:   for(key = 0; key < SDLK_LAST; key++)
1.1.1.4   root      686:   {
1.1.1.5 ! root      687:     /* Is key held? */
        !           688:     if(Keyboard.KeyStates[key])
1.1.1.4   root      689:     {
1.1.1.5 ! root      690:       tmpKeySym.sym = key;
        !           691:       tmpKeySym.scancode = 0;
        !           692: 
        !           693:       /* Get scan code */
        !           694:       STScanCode = Keymap_RemapKeyToSTScanCode(&tmpKeySym);
        !           695:       if(STScanCode != (char)-1)
1.1.1.4   root      696:       {
1.1.1.5 ! root      697:         /* Does this require de-bouncing? */
        !           698:         if(Keymap_DebounceSTKey(STScanCode))
        !           699:           Keymap_KeyUp(&tmpKeySym);
1.1.1.3   root      700:       }
                    701:     }
                    702:   }
                    703: 
                    704: }
                    705: 
                    706: 
                    707: /*-----------------------------------------------------------------------*/
                    708: /*
                    709:   User press key down
                    710: */
1.1.1.5 ! root      711: void Keymap_KeyDown(SDL_keysym *sdlkey)
1.1.1.3   root      712: {
                    713:   BOOL bPreviousKeyState;
                    714:   char STScanCode;
1.1.1.5 ! root      715:   int symkey = sdlkey->sym;
        !           716:   int scankey = sdlkey->scancode;
        !           717:   int modkey = sdlkey->mod;
1.1.1.3   root      718: 
1.1.1.5 ! root      719:   /*fprintf(stderr, "keydown: sym=%i scan=%i mod=$%x\n",symkey, scankey, modkey);*/
1.1.1.3   root      720: 
                    721:   /* If using cursor emulation, DON'T send keys to keyboard processor!!! Some games use keyboard as pause! */
1.1.1.5 ! root      722:   if((ConfigureParams.Joysticks.Joy[0].bCursorEmulation || ConfigureParams.Joysticks.Joy[1].bCursorEmulation)
        !           723:      && !(modkey&(KMOD_LSHIFT|KMOD_RSHIFT)))
1.1.1.4   root      724:   {
1.1.1.5 ! root      725:     if(symkey == SDLK_UP)
        !           726:       { cursorJoyEmu |= 1; return; }
        !           727:     else if(symkey == SDLK_DOWN)
        !           728:       { cursorJoyEmu |= 2; return; }
        !           729:     else if(symkey == SDLK_LEFT)
        !           730:       { cursorJoyEmu |= 4; return; }
        !           731:     else if(symkey == SDLK_RIGHT)
        !           732:       { cursorJoyEmu |= 8; return; }
        !           733:     else if(symkey == SDLK_RCTRL || symkey == SDLK_KP0 || symkey == SDLK_LMETA)
        !           734:       { cursorJoyEmu |= 128; return; }
1.1.1.4   root      735:   }
1.1.1.3   root      736: 
1.1.1.5 ! root      737:   /* Handle special keys */
        !           738:   if(symkey == SDLK_MODE || symkey == SDLK_LMETA || symkey == SDLK_NUMLOCK)
        !           739:   {
        !           740:     /* Ignore modifier keys that aren't passed to the ST */
        !           741:     return;
        !           742:   }
        !           743:   else if(symkey == SDLK_PAUSE && bEnableDebug)
1.1.1.4   root      744:   {
1.1.1.5 ! root      745:     /* Call the debugger */
1.1.1.3   root      746:     if(bInFullScreen)  Screen_ReturnFromFullScreen();
                    747:     DebugUI();
1.1.1.5 ! root      748:     return;
1.1.1.4   root      749:   }
1.1.1.5 ! root      750:   else if(symkey == SDLK_F11 || symkey == SDLK_F12)
        !           751:   {
        !           752:     ShortCutKey.Key = symkey;
        !           753:     return;
        !           754:   }
        !           755: 
        !           756:   /* Set down */
        !           757:   bPreviousKeyState = Keyboard.KeyStates[symkey];
        !           758:   Keyboard.KeyStates[symkey] = TRUE;
1.1.1.3   root      759: 
                    760:   /* If pressed short-cut key, retain keypress until safe to execute (start of VBL) */
1.1.1.5 ! root      761:   if((modkey&KMOD_MODE) || (modkey&KMOD_LMETA))
1.1.1.4   root      762:   {
1.1.1.5 ! root      763:     ShortCutKey.Key = symkey;
        !           764:     if( modkey&(KMOD_LCTRL|KMOD_RCTRL) )  ShortCutKey.bCtrlPressed = TRUE;
        !           765:     if( modkey&(KMOD_LSHIFT|KMOD_RSHIFT) )  ShortCutKey.bShiftPressed = TRUE;
1.1.1.4   root      766:   }
1.1.1.3   root      767:   else
1.1.1.4   root      768:   {
1.1.1.5 ! root      769:     STScanCode = Keymap_RemapKeyToSTScanCode(sdlkey);
        !           770:     if(STScanCode != (char)-1)
1.1.1.4   root      771:     {
1.1.1.5 ! root      772:       if(!bPreviousKeyState)
        !           773:         IKBD_PressSTKey(STScanCode, TRUE);
1.1.1.4   root      774:     }
                    775:   }
1.1.1.3   root      776: }
                    777: 
                    778: 
                    779: /*-----------------------------------------------------------------------*/
                    780: /*
                    781:   User released key
                    782: */
1.1.1.5 ! root      783: void Keymap_KeyUp(SDL_keysym *sdlkey)
1.1.1.3   root      784: {
                    785:   char STScanCode;
1.1.1.5 ! root      786:   int symkey = sdlkey->sym;
        !           787:   int scankey = sdlkey->scancode;
        !           788:   int modkey = sdlkey->mod;
1.1.1.3   root      789: 
1.1.1.5 ! root      790:   /*fprintf(stderr, "keyup: sym=%i scan=%i mod=$%x\n",symkey, scankey, modkey);*/
1.1.1.3   root      791: 
                    792:   /* If using cursor emulation, DON'T send keys to keyboard processor!!! Some games use keyboard as pause! */
1.1.1.5 ! root      793:   if((ConfigureParams.Joysticks.Joy[0].bCursorEmulation || ConfigureParams.Joysticks.Joy[1].bCursorEmulation)
        !           794:      && !(modkey&(KMOD_LSHIFT|KMOD_RSHIFT)))
        !           795:   {
        !           796:     if(symkey == SDLK_UP)
        !           797:       { cursorJoyEmu &= ~1; return; }
        !           798:     else if(symkey == SDLK_DOWN)
        !           799:       { cursorJoyEmu &= ~2; return; }
        !           800:     else if(symkey == SDLK_LEFT)
        !           801:       { cursorJoyEmu &= ~4; return; }
        !           802:     else if(symkey == SDLK_RIGHT)
        !           803:       { cursorJoyEmu &= ~8; return; }
        !           804:     else if(symkey == SDLK_RCTRL || symkey == SDLK_KP0 || symkey == SDLK_LMETA)
        !           805:       { cursorJoyEmu &= ~128; return; }
        !           806:   }
        !           807: 
        !           808:   /* Handle special keys */
        !           809:   if(symkey == SDLK_MODE || symkey == SDLK_LMETA || symkey == SDLK_NUMLOCK)
        !           810:   {
        !           811:     /* Ignore modifier keys that aren't passed to the ST */
        !           812:     return;
        !           813:   }
        !           814:   else if(symkey == SDLK_CAPSLOCK)
1.1.1.4   root      815:   {
1.1.1.5 ! root      816:     /* Simulate another capslock key press */
        !           817:     IKBD_PressSTKey(0x3A, TRUE);
        !           818:   }
        !           819:   else if(symkey == SDLK_F11 || symkey == SDLK_F12)
        !           820:   {
        !           821:     return;
1.1.1.4   root      822:   }
1.1.1.3   root      823: 
                    824:   /* Release key (only if was pressed) */
1.1.1.5 ! root      825:   if(Keyboard.KeyStates[symkey])
1.1.1.4   root      826:   {
1.1.1.5 ! root      827:     STScanCode = Keymap_RemapKeyToSTScanCode(sdlkey);
        !           828:     if(STScanCode != (char)-1)
        !           829:     {
1.1.1.3   root      830:       IKBD_PressSTKey(STScanCode,FALSE);
1.1.1.5 ! root      831:     }
1.1.1.3   root      832:   }
                    833: 
1.1.1.5 ! root      834:   Keyboard.KeyStates[symkey] = FALSE;
1.1.1.3   root      835: }
                    836: 

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