e14743d1 |
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 | |