| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | /* General keyboard handling code for SDL */ |
| 25 | |
| 26 | #include "SDL_timer.h" |
| 27 | #include "SDL_events.h" |
| 28 | #include "SDL_events_c.h" |
| 29 | #include "SDL_sysevents.h" |
| 30 | |
| 31 | |
| 32 | /* Global keystate information */ |
| 33 | static Uint8 SDL_KeyState[SDLK_LAST]; |
| 34 | static SDLMod SDL_ModState; |
| 35 | int SDL_TranslateUNICODE = 0; |
| 36 | |
| 37 | static const char *keynames[SDLK_LAST]; /* Array of keycode names */ |
| 38 | |
| 39 | /* |
| 40 | * jk 991215 - added |
| 41 | */ |
| 42 | struct { |
| 43 | int firsttime; /* if we check against the delay or repeat value */ |
| 44 | int delay; /* the delay before we start repeating */ |
| 45 | int interval; /* the delay between key repeat events */ |
| 46 | Uint32 timestamp; /* the time the first keydown event occurred */ |
| 47 | |
| 48 | SDL_Event evt; /* the event we are supposed to repeat */ |
| 49 | } SDL_KeyRepeat; |
| 50 | |
| 51 | /* Global no-lock-keys support */ |
| 52 | static Uint8 SDL_NoLockKeys; |
| 53 | |
| 54 | #define SDL_NLK_CAPS 0x01 |
| 55 | #define SDL_NLK_NUM 0x02 |
| 56 | |
| 57 | /* Public functions */ |
| 58 | int SDL_KeyboardInit(void) |
| 59 | { |
| 60 | const char* env; |
| 61 | SDL_VideoDevice *video = current_video; |
| 62 | SDL_VideoDevice *this = current_video; |
| 63 | |
| 64 | /* Set default mode of UNICODE translation */ |
| 65 | SDL_EnableUNICODE(DEFAULT_UNICODE_TRANSLATION); |
| 66 | |
| 67 | /* Initialize the tables */ |
| 68 | SDL_ModState = KMOD_NONE; |
| 69 | SDL_memset((void*)keynames, 0, sizeof(keynames)); |
| 70 | SDL_memset(SDL_KeyState, 0, sizeof(SDL_KeyState)); |
| 71 | video->InitOSKeymap(this); |
| 72 | |
| 73 | SDL_EnableKeyRepeat(0, 0); |
| 74 | |
| 75 | /* Allow environment override to disable special lock-key behavior */ |
| 76 | SDL_NoLockKeys = 0; |
| 77 | env = SDL_getenv("SDL_DISABLE_LOCK_KEYS"); |
| 78 | if (env) { |
| 79 | switch (SDL_atoi(env)) { |
| 80 | case 1: |
| 81 | SDL_NoLockKeys = SDL_NLK_CAPS | SDL_NLK_NUM; |
| 82 | break; |
| 83 | case 2: |
| 84 | SDL_NoLockKeys = SDL_NLK_CAPS; |
| 85 | break; |
| 86 | case 3: |
| 87 | SDL_NoLockKeys = SDL_NLK_NUM; |
| 88 | break; |
| 89 | default: |
| 90 | break; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | /* Fill in the blanks in keynames */ |
| 95 | keynames[SDLK_BACKSPACE] = "backspace"; |
| 96 | keynames[SDLK_TAB] = "tab"; |
| 97 | keynames[SDLK_CLEAR] = "clear"; |
| 98 | keynames[SDLK_RETURN] = "return"; |
| 99 | keynames[SDLK_PAUSE] = "pause"; |
| 100 | keynames[SDLK_ESCAPE] = "escape"; |
| 101 | keynames[SDLK_SPACE] = "space"; |
| 102 | keynames[SDLK_EXCLAIM] = "!"; |
| 103 | keynames[SDLK_QUOTEDBL] = "\""; |
| 104 | keynames[SDLK_HASH] = "#"; |
| 105 | keynames[SDLK_DOLLAR] = "$"; |
| 106 | keynames[SDLK_AMPERSAND] = "&"; |
| 107 | keynames[SDLK_QUOTE] = "'"; |
| 108 | keynames[SDLK_LEFTPAREN] = "("; |
| 109 | keynames[SDLK_RIGHTPAREN] = ")"; |
| 110 | keynames[SDLK_ASTERISK] = "*"; |
| 111 | keynames[SDLK_PLUS] = "+"; |
| 112 | keynames[SDLK_COMMA] = ","; |
| 113 | keynames[SDLK_MINUS] = "-"; |
| 114 | keynames[SDLK_PERIOD] = "."; |
| 115 | keynames[SDLK_SLASH] = "/"; |
| 116 | keynames[SDLK_0] = "0"; |
| 117 | keynames[SDLK_1] = "1"; |
| 118 | keynames[SDLK_2] = "2"; |
| 119 | keynames[SDLK_3] = "3"; |
| 120 | keynames[SDLK_4] = "4"; |
| 121 | keynames[SDLK_5] = "5"; |
| 122 | keynames[SDLK_6] = "6"; |
| 123 | keynames[SDLK_7] = "7"; |
| 124 | keynames[SDLK_8] = "8"; |
| 125 | keynames[SDLK_9] = "9"; |
| 126 | keynames[SDLK_COLON] = ":"; |
| 127 | keynames[SDLK_SEMICOLON] = ";"; |
| 128 | keynames[SDLK_LESS] = "<"; |
| 129 | keynames[SDLK_EQUALS] = "="; |
| 130 | keynames[SDLK_GREATER] = ">"; |
| 131 | keynames[SDLK_QUESTION] = "?"; |
| 132 | keynames[SDLK_AT] = "@"; |
| 133 | keynames[SDLK_LEFTBRACKET] = "["; |
| 134 | keynames[SDLK_BACKSLASH] = "\\"; |
| 135 | keynames[SDLK_RIGHTBRACKET] = "]"; |
| 136 | keynames[SDLK_CARET] = "^"; |
| 137 | keynames[SDLK_UNDERSCORE] = "_"; |
| 138 | keynames[SDLK_BACKQUOTE] = "`"; |
| 139 | keynames[SDLK_a] = "a"; |
| 140 | keynames[SDLK_b] = "b"; |
| 141 | keynames[SDLK_c] = "c"; |
| 142 | keynames[SDLK_d] = "d"; |
| 143 | keynames[SDLK_e] = "e"; |
| 144 | keynames[SDLK_f] = "f"; |
| 145 | keynames[SDLK_g] = "g"; |
| 146 | keynames[SDLK_h] = "h"; |
| 147 | keynames[SDLK_i] = "i"; |
| 148 | keynames[SDLK_j] = "j"; |
| 149 | keynames[SDLK_k] = "k"; |
| 150 | keynames[SDLK_l] = "l"; |
| 151 | keynames[SDLK_m] = "m"; |
| 152 | keynames[SDLK_n] = "n"; |
| 153 | keynames[SDLK_o] = "o"; |
| 154 | keynames[SDLK_p] = "p"; |
| 155 | keynames[SDLK_q] = "q"; |
| 156 | keynames[SDLK_r] = "r"; |
| 157 | keynames[SDLK_s] = "s"; |
| 158 | keynames[SDLK_t] = "t"; |
| 159 | keynames[SDLK_u] = "u"; |
| 160 | keynames[SDLK_v] = "v"; |
| 161 | keynames[SDLK_w] = "w"; |
| 162 | keynames[SDLK_x] = "x"; |
| 163 | keynames[SDLK_y] = "y"; |
| 164 | keynames[SDLK_z] = "z"; |
| 165 | keynames[SDLK_DELETE] = "delete"; |
| 166 | |
| 167 | keynames[SDLK_WORLD_0] = "world 0"; |
| 168 | keynames[SDLK_WORLD_1] = "world 1"; |
| 169 | keynames[SDLK_WORLD_2] = "world 2"; |
| 170 | keynames[SDLK_WORLD_3] = "world 3"; |
| 171 | keynames[SDLK_WORLD_4] = "world 4"; |
| 172 | keynames[SDLK_WORLD_5] = "world 5"; |
| 173 | keynames[SDLK_WORLD_6] = "world 6"; |
| 174 | keynames[SDLK_WORLD_7] = "world 7"; |
| 175 | keynames[SDLK_WORLD_8] = "world 8"; |
| 176 | keynames[SDLK_WORLD_9] = "world 9"; |
| 177 | keynames[SDLK_WORLD_10] = "world 10"; |
| 178 | keynames[SDLK_WORLD_11] = "world 11"; |
| 179 | keynames[SDLK_WORLD_12] = "world 12"; |
| 180 | keynames[SDLK_WORLD_13] = "world 13"; |
| 181 | keynames[SDLK_WORLD_14] = "world 14"; |
| 182 | keynames[SDLK_WORLD_15] = "world 15"; |
| 183 | keynames[SDLK_WORLD_16] = "world 16"; |
| 184 | keynames[SDLK_WORLD_17] = "world 17"; |
| 185 | keynames[SDLK_WORLD_18] = "world 18"; |
| 186 | keynames[SDLK_WORLD_19] = "world 19"; |
| 187 | keynames[SDLK_WORLD_20] = "world 20"; |
| 188 | keynames[SDLK_WORLD_21] = "world 21"; |
| 189 | keynames[SDLK_WORLD_22] = "world 22"; |
| 190 | keynames[SDLK_WORLD_23] = "world 23"; |
| 191 | keynames[SDLK_WORLD_24] = "world 24"; |
| 192 | keynames[SDLK_WORLD_25] = "world 25"; |
| 193 | keynames[SDLK_WORLD_26] = "world 26"; |
| 194 | keynames[SDLK_WORLD_27] = "world 27"; |
| 195 | keynames[SDLK_WORLD_28] = "world 28"; |
| 196 | keynames[SDLK_WORLD_29] = "world 29"; |
| 197 | keynames[SDLK_WORLD_30] = "world 30"; |
| 198 | keynames[SDLK_WORLD_31] = "world 31"; |
| 199 | keynames[SDLK_WORLD_32] = "world 32"; |
| 200 | keynames[SDLK_WORLD_33] = "world 33"; |
| 201 | keynames[SDLK_WORLD_34] = "world 34"; |
| 202 | keynames[SDLK_WORLD_35] = "world 35"; |
| 203 | keynames[SDLK_WORLD_36] = "world 36"; |
| 204 | keynames[SDLK_WORLD_37] = "world 37"; |
| 205 | keynames[SDLK_WORLD_38] = "world 38"; |
| 206 | keynames[SDLK_WORLD_39] = "world 39"; |
| 207 | keynames[SDLK_WORLD_40] = "world 40"; |
| 208 | keynames[SDLK_WORLD_41] = "world 41"; |
| 209 | keynames[SDLK_WORLD_42] = "world 42"; |
| 210 | keynames[SDLK_WORLD_43] = "world 43"; |
| 211 | keynames[SDLK_WORLD_44] = "world 44"; |
| 212 | keynames[SDLK_WORLD_45] = "world 45"; |
| 213 | keynames[SDLK_WORLD_46] = "world 46"; |
| 214 | keynames[SDLK_WORLD_47] = "world 47"; |
| 215 | keynames[SDLK_WORLD_48] = "world 48"; |
| 216 | keynames[SDLK_WORLD_49] = "world 49"; |
| 217 | keynames[SDLK_WORLD_50] = "world 50"; |
| 218 | keynames[SDLK_WORLD_51] = "world 51"; |
| 219 | keynames[SDLK_WORLD_52] = "world 52"; |
| 220 | keynames[SDLK_WORLD_53] = "world 53"; |
| 221 | keynames[SDLK_WORLD_54] = "world 54"; |
| 222 | keynames[SDLK_WORLD_55] = "world 55"; |
| 223 | keynames[SDLK_WORLD_56] = "world 56"; |
| 224 | keynames[SDLK_WORLD_57] = "world 57"; |
| 225 | keynames[SDLK_WORLD_58] = "world 58"; |
| 226 | keynames[SDLK_WORLD_59] = "world 59"; |
| 227 | keynames[SDLK_WORLD_60] = "world 60"; |
| 228 | keynames[SDLK_WORLD_61] = "world 61"; |
| 229 | keynames[SDLK_WORLD_62] = "world 62"; |
| 230 | keynames[SDLK_WORLD_63] = "world 63"; |
| 231 | keynames[SDLK_WORLD_64] = "world 64"; |
| 232 | keynames[SDLK_WORLD_65] = "world 65"; |
| 233 | keynames[SDLK_WORLD_66] = "world 66"; |
| 234 | keynames[SDLK_WORLD_67] = "world 67"; |
| 235 | keynames[SDLK_WORLD_68] = "world 68"; |
| 236 | keynames[SDLK_WORLD_69] = "world 69"; |
| 237 | keynames[SDLK_WORLD_70] = "world 70"; |
| 238 | keynames[SDLK_WORLD_71] = "world 71"; |
| 239 | keynames[SDLK_WORLD_72] = "world 72"; |
| 240 | keynames[SDLK_WORLD_73] = "world 73"; |
| 241 | keynames[SDLK_WORLD_74] = "world 74"; |
| 242 | keynames[SDLK_WORLD_75] = "world 75"; |
| 243 | keynames[SDLK_WORLD_76] = "world 76"; |
| 244 | keynames[SDLK_WORLD_77] = "world 77"; |
| 245 | keynames[SDLK_WORLD_78] = "world 78"; |
| 246 | keynames[SDLK_WORLD_79] = "world 79"; |
| 247 | keynames[SDLK_WORLD_80] = "world 80"; |
| 248 | keynames[SDLK_WORLD_81] = "world 81"; |
| 249 | keynames[SDLK_WORLD_82] = "world 82"; |
| 250 | keynames[SDLK_WORLD_83] = "world 83"; |
| 251 | keynames[SDLK_WORLD_84] = "world 84"; |
| 252 | keynames[SDLK_WORLD_85] = "world 85"; |
| 253 | keynames[SDLK_WORLD_86] = "world 86"; |
| 254 | keynames[SDLK_WORLD_87] = "world 87"; |
| 255 | keynames[SDLK_WORLD_88] = "world 88"; |
| 256 | keynames[SDLK_WORLD_89] = "world 89"; |
| 257 | keynames[SDLK_WORLD_90] = "world 90"; |
| 258 | keynames[SDLK_WORLD_91] = "world 91"; |
| 259 | keynames[SDLK_WORLD_92] = "world 92"; |
| 260 | keynames[SDLK_WORLD_93] = "world 93"; |
| 261 | keynames[SDLK_WORLD_94] = "world 94"; |
| 262 | keynames[SDLK_WORLD_95] = "world 95"; |
| 263 | |
| 264 | keynames[SDLK_KP0] = "[0]"; |
| 265 | keynames[SDLK_KP1] = "[1]"; |
| 266 | keynames[SDLK_KP2] = "[2]"; |
| 267 | keynames[SDLK_KP3] = "[3]"; |
| 268 | keynames[SDLK_KP4] = "[4]"; |
| 269 | keynames[SDLK_KP5] = "[5]"; |
| 270 | keynames[SDLK_KP6] = "[6]"; |
| 271 | keynames[SDLK_KP7] = "[7]"; |
| 272 | keynames[SDLK_KP8] = "[8]"; |
| 273 | keynames[SDLK_KP9] = "[9]"; |
| 274 | keynames[SDLK_KP_PERIOD] = "[.]"; |
| 275 | keynames[SDLK_KP_DIVIDE] = "[/]"; |
| 276 | keynames[SDLK_KP_MULTIPLY] = "[*]"; |
| 277 | keynames[SDLK_KP_MINUS] = "[-]"; |
| 278 | keynames[SDLK_KP_PLUS] = "[+]"; |
| 279 | keynames[SDLK_KP_ENTER] = "enter"; |
| 280 | keynames[SDLK_KP_EQUALS] = "equals"; |
| 281 | |
| 282 | keynames[SDLK_UP] = "up"; |
| 283 | keynames[SDLK_DOWN] = "down"; |
| 284 | keynames[SDLK_RIGHT] = "right"; |
| 285 | keynames[SDLK_LEFT] = "left"; |
| 286 | keynames[SDLK_DOWN] = "down"; |
| 287 | keynames[SDLK_INSERT] = "insert"; |
| 288 | keynames[SDLK_HOME] = "home"; |
| 289 | keynames[SDLK_END] = "end"; |
| 290 | keynames[SDLK_PAGEUP] = "page up"; |
| 291 | keynames[SDLK_PAGEDOWN] = "page down"; |
| 292 | |
| 293 | keynames[SDLK_F1] = "f1"; |
| 294 | keynames[SDLK_F2] = "f2"; |
| 295 | keynames[SDLK_F3] = "f3"; |
| 296 | keynames[SDLK_F4] = "f4"; |
| 297 | keynames[SDLK_F5] = "f5"; |
| 298 | keynames[SDLK_F6] = "f6"; |
| 299 | keynames[SDLK_F7] = "f7"; |
| 300 | keynames[SDLK_F8] = "f8"; |
| 301 | keynames[SDLK_F9] = "f9"; |
| 302 | keynames[SDLK_F10] = "f10"; |
| 303 | keynames[SDLK_F11] = "f11"; |
| 304 | keynames[SDLK_F12] = "f12"; |
| 305 | keynames[SDLK_F13] = "f13"; |
| 306 | keynames[SDLK_F14] = "f14"; |
| 307 | keynames[SDLK_F15] = "f15"; |
| 308 | |
| 309 | keynames[SDLK_NUMLOCK] = "numlock"; |
| 310 | keynames[SDLK_CAPSLOCK] = "caps lock"; |
| 311 | keynames[SDLK_SCROLLOCK] = "scroll lock"; |
| 312 | keynames[SDLK_RSHIFT] = "right shift"; |
| 313 | keynames[SDLK_LSHIFT] = "left shift"; |
| 314 | keynames[SDLK_RCTRL] = "right ctrl"; |
| 315 | keynames[SDLK_LCTRL] = "left ctrl"; |
| 316 | keynames[SDLK_RALT] = "right alt"; |
| 317 | keynames[SDLK_LALT] = "left alt"; |
| 318 | keynames[SDLK_RMETA] = "right meta"; |
| 319 | keynames[SDLK_LMETA] = "left meta"; |
| 320 | keynames[SDLK_LSUPER] = "left super"; /* "Windows" keys */ |
| 321 | keynames[SDLK_RSUPER] = "right super"; |
| 322 | keynames[SDLK_MODE] = "alt gr"; |
| 323 | keynames[SDLK_COMPOSE] = "compose"; |
| 324 | |
| 325 | keynames[SDLK_HELP] = "help"; |
| 326 | keynames[SDLK_PRINT] = "print screen"; |
| 327 | keynames[SDLK_SYSREQ] = "sys req"; |
| 328 | keynames[SDLK_BREAK] = "break"; |
| 329 | keynames[SDLK_MENU] = "menu"; |
| 330 | keynames[SDLK_POWER] = "power"; |
| 331 | keynames[SDLK_EURO] = "euro"; |
| 332 | keynames[SDLK_UNDO] = "undo"; |
| 333 | |
| 334 | /* Done. Whew. */ |
| 335 | return(0); |
| 336 | } |
| 337 | void SDL_KeyboardQuit(void) |
| 338 | { |
| 339 | } |
| 340 | |
| 341 | /* We lost the keyboard, so post key up messages for all pressed keys */ |
| 342 | void SDL_ResetKeyboard(void) |
| 343 | { |
| 344 | SDL_keysym keysym; |
| 345 | SDLKey key; |
| 346 | |
| 347 | SDL_memset(&keysym, 0, (sizeof keysym)); |
| 348 | for ( key=SDLK_FIRST; key<SDLK_LAST; ++key ) { |
| 349 | if ( SDL_KeyState[key] == SDL_PRESSED ) { |
| 350 | keysym.sym = key; |
| 351 | SDL_PrivateKeyboard(SDL_RELEASED, &keysym); |
| 352 | } |
| 353 | } |
| 354 | SDL_KeyRepeat.timestamp = 0; |
| 355 | } |
| 356 | |
| 357 | int SDL_EnableUNICODE(int enable) |
| 358 | { |
| 359 | int old_mode; |
| 360 | |
| 361 | old_mode = SDL_TranslateUNICODE; |
| 362 | if ( enable >= 0 ) { |
| 363 | SDL_TranslateUNICODE = enable; |
| 364 | } |
| 365 | return(old_mode); |
| 366 | } |
| 367 | |
| 368 | Uint8 * SDL_GetKeyState (int *numkeys) |
| 369 | { |
| 370 | if ( numkeys != (int *)0 ) |
| 371 | *numkeys = SDLK_LAST; |
| 372 | return(SDL_KeyState); |
| 373 | } |
| 374 | SDLMod SDL_GetModState (void) |
| 375 | { |
| 376 | return(SDL_ModState); |
| 377 | } |
| 378 | void SDL_SetModState (SDLMod modstate) |
| 379 | { |
| 380 | SDL_ModState = modstate; |
| 381 | } |
| 382 | |
| 383 | char *SDL_GetKeyName(SDLKey key) |
| 384 | { |
| 385 | const char *keyname; |
| 386 | |
| 387 | keyname = NULL; |
| 388 | if ( key < SDLK_LAST ) { |
| 389 | keyname = keynames[key]; |
| 390 | } |
| 391 | if ( keyname == NULL ) { |
| 392 | keyname = "unknown key"; |
| 393 | } |
| 394 | /* FIXME: make this function const in 1.3 */ |
| 395 | return (char *)(keyname); |
| 396 | } |
| 397 | |
| 398 | /* These are global for SDL_eventloop.c */ |
| 399 | int SDL_PrivateKeyboard(Uint8 state, SDL_keysym *keysym) |
| 400 | { |
| 401 | SDL_Event event; |
| 402 | int posted, repeatable; |
| 403 | Uint16 modstate; |
| 404 | |
| 405 | SDL_memset(&event, 0, sizeof(event)); |
| 406 | |
| 407 | #if 0 |
| 408 | printf("The '%s' key has been %s\n", SDL_GetKeyName(keysym->sym), |
| 409 | state == SDL_PRESSED ? "pressed" : "released"); |
| 410 | #endif |
| 411 | /* Set up the keysym */ |
| 412 | modstate = (Uint16)SDL_ModState; |
| 413 | |
| 414 | repeatable = 0; |
| 415 | |
| 416 | if ( state == SDL_PRESSED ) { |
| 417 | keysym->mod = (SDLMod)modstate; |
| 418 | switch (keysym->sym) { |
| 419 | case SDLK_UNKNOWN: |
| 420 | break; |
| 421 | case SDLK_NUMLOCK: |
| 422 | modstate ^= KMOD_NUM; |
| 423 | if ( SDL_NoLockKeys & SDL_NLK_NUM ) |
| 424 | break; |
| 425 | if ( ! (modstate&KMOD_NUM) ) |
| 426 | state = SDL_RELEASED; |
| 427 | keysym->mod = (SDLMod)modstate; |
| 428 | break; |
| 429 | case SDLK_CAPSLOCK: |
| 430 | modstate ^= KMOD_CAPS; |
| 431 | if ( SDL_NoLockKeys & SDL_NLK_CAPS ) |
| 432 | break; |
| 433 | if ( ! (modstate&KMOD_CAPS) ) |
| 434 | state = SDL_RELEASED; |
| 435 | keysym->mod = (SDLMod)modstate; |
| 436 | break; |
| 437 | case SDLK_LCTRL: |
| 438 | modstate |= KMOD_LCTRL; |
| 439 | break; |
| 440 | case SDLK_RCTRL: |
| 441 | modstate |= KMOD_RCTRL; |
| 442 | break; |
| 443 | case SDLK_LSHIFT: |
| 444 | modstate |= KMOD_LSHIFT; |
| 445 | break; |
| 446 | case SDLK_RSHIFT: |
| 447 | modstate |= KMOD_RSHIFT; |
| 448 | break; |
| 449 | case SDLK_LALT: |
| 450 | modstate |= KMOD_LALT; |
| 451 | break; |
| 452 | case SDLK_RALT: |
| 453 | modstate |= KMOD_RALT; |
| 454 | break; |
| 455 | case SDLK_LMETA: |
| 456 | modstate |= KMOD_LMETA; |
| 457 | break; |
| 458 | case SDLK_RMETA: |
| 459 | modstate |= KMOD_RMETA; |
| 460 | break; |
| 461 | case SDLK_MODE: |
| 462 | modstate |= KMOD_MODE; |
| 463 | break; |
| 464 | default: |
| 465 | repeatable = 1; |
| 466 | break; |
| 467 | } |
| 468 | } else { |
| 469 | switch (keysym->sym) { |
| 470 | case SDLK_UNKNOWN: |
| 471 | break; |
| 472 | case SDLK_NUMLOCK: |
| 473 | if ( SDL_NoLockKeys & SDL_NLK_NUM ) |
| 474 | break; |
| 475 | /* Only send keydown events */ |
| 476 | return(0); |
| 477 | case SDLK_CAPSLOCK: |
| 478 | if ( SDL_NoLockKeys & SDL_NLK_CAPS ) |
| 479 | break; |
| 480 | /* Only send keydown events */ |
| 481 | return(0); |
| 482 | case SDLK_LCTRL: |
| 483 | modstate &= ~KMOD_LCTRL; |
| 484 | break; |
| 485 | case SDLK_RCTRL: |
| 486 | modstate &= ~KMOD_RCTRL; |
| 487 | break; |
| 488 | case SDLK_LSHIFT: |
| 489 | modstate &= ~KMOD_LSHIFT; |
| 490 | break; |
| 491 | case SDLK_RSHIFT: |
| 492 | modstate &= ~KMOD_RSHIFT; |
| 493 | break; |
| 494 | case SDLK_LALT: |
| 495 | modstate &= ~KMOD_LALT; |
| 496 | break; |
| 497 | case SDLK_RALT: |
| 498 | modstate &= ~KMOD_RALT; |
| 499 | break; |
| 500 | case SDLK_LMETA: |
| 501 | modstate &= ~KMOD_LMETA; |
| 502 | break; |
| 503 | case SDLK_RMETA: |
| 504 | modstate &= ~KMOD_RMETA; |
| 505 | break; |
| 506 | case SDLK_MODE: |
| 507 | modstate &= ~KMOD_MODE; |
| 508 | break; |
| 509 | default: |
| 510 | break; |
| 511 | } |
| 512 | keysym->mod = (SDLMod)modstate; |
| 513 | } |
| 514 | |
| 515 | /* Figure out what type of event this is */ |
| 516 | switch (state) { |
| 517 | case SDL_PRESSED: |
| 518 | event.type = SDL_KEYDOWN; |
| 519 | break; |
| 520 | case SDL_RELEASED: |
| 521 | event.type = SDL_KEYUP; |
| 522 | /* |
| 523 | * jk 991215 - Added |
| 524 | */ |
| 525 | if ( SDL_KeyRepeat.timestamp && |
| 526 | SDL_KeyRepeat.evt.key.keysym.sym == keysym->sym ) { |
| 527 | SDL_KeyRepeat.timestamp = 0; |
| 528 | } |
| 529 | break; |
| 530 | default: |
| 531 | /* Invalid state -- bail */ |
| 532 | return(0); |
| 533 | } |
| 534 | |
| 535 | if ( keysym->sym != SDLK_UNKNOWN ) { |
| 536 | /* Drop events that don't change state */ |
| 537 | if ( SDL_KeyState[keysym->sym] == state ) { |
| 538 | #if 0 |
| 539 | printf("Keyboard event didn't change state - dropped!\n"); |
| 540 | #endif |
| 541 | return(0); |
| 542 | } |
| 543 | |
| 544 | /* Update internal keyboard state */ |
| 545 | SDL_ModState = (SDLMod)modstate; |
| 546 | SDL_KeyState[keysym->sym] = state; |
| 547 | } |
| 548 | |
| 549 | /* Post the event, if desired */ |
| 550 | posted = 0; |
| 551 | if ( SDL_ProcessEvents[event.type] == SDL_ENABLE ) { |
| 552 | event.key.state = state; |
| 553 | event.key.keysym = *keysym; |
| 554 | /* |
| 555 | * jk 991215 - Added |
| 556 | */ |
| 557 | if (repeatable && (SDL_KeyRepeat.delay != 0)) { |
| 558 | SDL_KeyRepeat.evt = event; |
| 559 | SDL_KeyRepeat.firsttime = 1; |
| 560 | SDL_KeyRepeat.timestamp=SDL_GetTicks(); |
| 561 | } |
| 562 | if ( (SDL_EventOK == NULL) || SDL_EventOK(&event) ) { |
| 563 | posted = 1; |
| 564 | SDL_PushEvent(&event); |
| 565 | } |
| 566 | } |
| 567 | return(posted); |
| 568 | } |
| 569 | |
| 570 | /* |
| 571 | * jk 991215 - Added |
| 572 | */ |
| 573 | void SDL_CheckKeyRepeat(void) |
| 574 | { |
| 575 | if ( SDL_KeyRepeat.timestamp ) { |
| 576 | Uint32 now, interval; |
| 577 | |
| 578 | now = SDL_GetTicks(); |
| 579 | interval = (now - SDL_KeyRepeat.timestamp); |
| 580 | if ( SDL_KeyRepeat.firsttime ) { |
| 581 | if ( interval > (Uint32)SDL_KeyRepeat.delay ) { |
| 582 | SDL_KeyRepeat.timestamp = now; |
| 583 | SDL_KeyRepeat.firsttime = 0; |
| 584 | } |
| 585 | } else { |
| 586 | if ( interval > (Uint32)SDL_KeyRepeat.interval ) { |
| 587 | SDL_KeyRepeat.timestamp = now; |
| 588 | if ( (SDL_EventOK == NULL) || SDL_EventOK(&SDL_KeyRepeat.evt) ) { |
| 589 | SDL_PushEvent(&SDL_KeyRepeat.evt); |
| 590 | } |
| 591 | } |
| 592 | } |
| 593 | } |
| 594 | } |
| 595 | |
| 596 | int SDL_EnableKeyRepeat(int delay, int interval) |
| 597 | { |
| 598 | if ( (delay < 0) || (interval < 0) ) { |
| 599 | SDL_SetError("keyboard repeat value less than zero"); |
| 600 | return(-1); |
| 601 | } |
| 602 | SDL_KeyRepeat.firsttime = 0; |
| 603 | SDL_KeyRepeat.delay = delay; |
| 604 | SDL_KeyRepeat.interval = interval; |
| 605 | SDL_KeyRepeat.timestamp = 0; |
| 606 | return(0); |
| 607 | } |
| 608 | |
| 609 | void SDL_GetKeyRepeat(int *delay, int *interval) |
| 610 | { |
| 611 | *delay = SDL_KeyRepeat.delay; |
| 612 | *interval = SDL_KeyRepeat.interval; |
| 613 | } |
| 614 | |