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 | /* Handle the event stream, converting console events into SDL events */ |
25 | |
26 | #include <stdio.h> |
27 | #include <sys/types.h> |
28 | #include <sys/time.h> |
29 | #include <sys/ioctl.h> |
30 | #include <unistd.h> |
31 | #include <fcntl.h> |
32 | #include <errno.h> |
33 | #include <limits.h> |
34 | |
35 | /* For parsing /proc */ |
36 | #include <dirent.h> |
37 | #include <ctype.h> |
38 | |
39 | #include <linux/vt.h> |
40 | #include <linux/kd.h> |
41 | #include <linux/keyboard.h> |
42 | |
43 | #include "SDL_timer.h" |
44 | #include "SDL_mutex.h" |
45 | #include "../SDL_sysvideo.h" |
46 | #include "../../events/SDL_sysevents.h" |
47 | #include "../../events/SDL_events_c.h" |
48 | #include "SDL_fbvideo.h" |
49 | #include "SDL_fbevents_c.h" |
50 | #include "SDL_fbkeys.h" |
51 | |
52 | #include "SDL_fbelo.h" |
53 | |
54 | #ifndef GPM_NODE_FIFO |
55 | #define GPM_NODE_FIFO "/dev/gpmdata" |
56 | #endif |
57 | |
58 | /*#define DEBUG_KEYBOARD*/ |
59 | /*#define DEBUG_MOUSE*/ |
60 | |
61 | /* The translation tables from a console scancode to a SDL keysym */ |
62 | #define NUM_VGAKEYMAPS (1<<KG_CAPSSHIFT) |
63 | static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS]; |
64 | static SDLKey keymap[128]; |
65 | static Uint16 keymap_temp[128]; /* only used at startup */ |
66 | static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym); |
67 | |
68 | /* Ugh, we have to duplicate the kernel's keysym mapping code... |
69 | Oh, it's not so bad. :-) |
70 | |
71 | FIXME: Add keyboard LED handling code |
72 | */ |
73 | static void FB_vgainitkeymaps(int fd) |
74 | { |
75 | struct kbentry entry; |
76 | int map, i; |
77 | |
78 | /* Don't do anything if we are passed a closed keyboard */ |
79 | if ( fd < 0 ) { |
80 | return; |
81 | } |
82 | |
83 | /* Load all the keysym mappings */ |
84 | for ( map=0; map<NUM_VGAKEYMAPS; ++map ) { |
85 | SDL_memset(vga_keymap[map], 0, NR_KEYS*sizeof(Uint16)); |
86 | for ( i=0; i<NR_KEYS; ++i ) { |
87 | entry.kb_table = map; |
88 | entry.kb_index = i; |
89 | if ( ioctl(fd, KDGKBENT, &entry) == 0 ) { |
90 | /* fill keytemp. This replaces SDL_fbkeys.h */ |
91 | if ( (map == 0) && (i<128) ) { |
92 | keymap_temp[i] = entry.kb_value; |
93 | } |
94 | /* The "Enter" key is a special case */ |
95 | if ( entry.kb_value == K_ENTER ) { |
96 | entry.kb_value = K(KT_ASCII,13); |
97 | } |
98 | /* Handle numpad specially as well */ |
99 | if ( KTYP(entry.kb_value) == KT_PAD ) { |
100 | switch ( entry.kb_value ) { |
101 | case K_P0: |
102 | case K_P1: |
103 | case K_P2: |
104 | case K_P3: |
105 | case K_P4: |
106 | case K_P5: |
107 | case K_P6: |
108 | case K_P7: |
109 | case K_P8: |
110 | case K_P9: |
111 | vga_keymap[map][i]=entry.kb_value; |
112 | vga_keymap[map][i]+= '0'; |
113 | break; |
114 | case K_PPLUS: |
115 | vga_keymap[map][i]=K(KT_ASCII,'+'); |
116 | break; |
117 | case K_PMINUS: |
118 | vga_keymap[map][i]=K(KT_ASCII,'-'); |
119 | break; |
120 | case K_PSTAR: |
121 | vga_keymap[map][i]=K(KT_ASCII,'*'); |
122 | break; |
123 | case K_PSLASH: |
124 | vga_keymap[map][i]=K(KT_ASCII,'/'); |
125 | break; |
126 | case K_PENTER: |
127 | vga_keymap[map][i]=K(KT_ASCII,'\r'); |
128 | break; |
129 | case K_PCOMMA: |
130 | vga_keymap[map][i]=K(KT_ASCII,','); |
131 | break; |
132 | case K_PDOT: |
133 | vga_keymap[map][i]=K(KT_ASCII,'.'); |
134 | break; |
135 | default: |
136 | break; |
137 | } |
138 | } |
139 | /* Do the normal key translation */ |
140 | if ( (KTYP(entry.kb_value) == KT_LATIN) || |
141 | (KTYP(entry.kb_value) == KT_ASCII) || |
142 | (KTYP(entry.kb_value) == KT_LETTER) ) { |
143 | vga_keymap[map][i] = entry.kb_value; |
144 | } |
145 | } |
146 | } |
147 | } |
148 | } |
149 | |
150 | int FB_InGraphicsMode(_THIS) |
151 | { |
152 | return((keyboard_fd >= 0) && (saved_kbd_mode >= 0)); |
153 | } |
154 | |
155 | int FB_EnterGraphicsMode(_THIS) |
156 | { |
157 | struct termios keyboard_termios; |
158 | |
159 | /* Set medium-raw keyboard mode */ |
160 | if ( (keyboard_fd >= 0) && !FB_InGraphicsMode(this) ) { |
161 | |
162 | /* Switch to the correct virtual terminal */ |
163 | if ( current_vt > 0 ) { |
164 | struct vt_stat vtstate; |
165 | |
166 | if ( ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0 ) { |
167 | saved_vt = vtstate.v_active; |
168 | } |
169 | if ( ioctl(keyboard_fd, VT_ACTIVATE, current_vt) == 0 ) { |
170 | ioctl(keyboard_fd, VT_WAITACTIVE, current_vt); |
171 | } |
172 | } |
173 | |
174 | /* Set the terminal input mode */ |
175 | if ( tcgetattr(keyboard_fd, &saved_kbd_termios) < 0 ) { |
176 | SDL_SetError("Unable to get terminal attributes"); |
177 | if ( keyboard_fd > 0 ) { |
178 | close(keyboard_fd); |
179 | } |
180 | keyboard_fd = -1; |
181 | return(-1); |
182 | } |
183 | if ( ioctl(keyboard_fd, KDGKBMODE, &saved_kbd_mode) < 0 ) { |
184 | SDL_SetError("Unable to get current keyboard mode"); |
185 | if ( keyboard_fd > 0 ) { |
186 | close(keyboard_fd); |
187 | } |
188 | keyboard_fd = -1; |
189 | return(-1); |
190 | } |
191 | keyboard_termios = saved_kbd_termios; |
192 | keyboard_termios.c_lflag &= ~(ICANON | ECHO | ISIG); |
193 | keyboard_termios.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON); |
194 | keyboard_termios.c_cc[VMIN] = 0; |
195 | keyboard_termios.c_cc[VTIME] = 0; |
196 | if (tcsetattr(keyboard_fd, TCSAFLUSH, &keyboard_termios) < 0) { |
197 | FB_CloseKeyboard(this); |
198 | SDL_SetError("Unable to set terminal attributes"); |
199 | return(-1); |
200 | } |
201 | /* This will fail if we aren't root or this isn't our tty */ |
202 | if ( ioctl(keyboard_fd, KDSKBMODE, K_MEDIUMRAW) < 0 ) { |
203 | FB_CloseKeyboard(this); |
204 | SDL_SetError("Unable to set keyboard in raw mode"); |
205 | return(-1); |
206 | } |
207 | if ( ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS) < 0 ) { |
208 | FB_CloseKeyboard(this); |
209 | SDL_SetError("Unable to set keyboard in graphics mode"); |
210 | return(-1); |
211 | } |
212 | /* Prevent switching the virtual terminal */ |
213 | ioctl(keyboard_fd, VT_LOCKSWITCH, 1); |
214 | } |
215 | return(keyboard_fd); |
216 | } |
217 | |
218 | void FB_LeaveGraphicsMode(_THIS) |
219 | { |
220 | if ( FB_InGraphicsMode(this) ) { |
221 | ioctl(keyboard_fd, KDSETMODE, KD_TEXT); |
222 | ioctl(keyboard_fd, KDSKBMODE, saved_kbd_mode); |
223 | tcsetattr(keyboard_fd, TCSAFLUSH, &saved_kbd_termios); |
224 | saved_kbd_mode = -1; |
225 | |
226 | /* Head back over to the original virtual terminal */ |
227 | ioctl(keyboard_fd, VT_UNLOCKSWITCH, 1); |
228 | if ( saved_vt > 0 ) { |
229 | ioctl(keyboard_fd, VT_ACTIVATE, saved_vt); |
230 | } |
231 | } |
232 | } |
233 | |
234 | void FB_CloseKeyboard(_THIS) |
235 | { |
236 | if ( keyboard_fd >= 0 ) { |
237 | FB_LeaveGraphicsMode(this); |
238 | if ( keyboard_fd > 0 ) { |
239 | close(keyboard_fd); |
240 | } |
241 | } |
242 | keyboard_fd = -1; |
243 | } |
244 | |
245 | int FB_OpenKeyboard(_THIS) |
246 | { |
247 | /* Open only if not already opened */ |
248 | if ( keyboard_fd < 0 ) { |
249 | static const char * const tty0[] = { "/dev/tty0", "/dev/vc/0", NULL }; |
250 | static const char * const vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL }; |
251 | int i, tty0_fd; |
252 | |
253 | /* Try to query for a free virtual terminal */ |
254 | tty0_fd = -1; |
255 | for ( i=0; tty0[i] && (tty0_fd < 0); ++i ) { |
256 | tty0_fd = open(tty0[i], O_WRONLY, 0); |
257 | } |
258 | if ( tty0_fd < 0 ) { |
259 | tty0_fd = dup(0); /* Maybe stdin is a VT? */ |
260 | } |
261 | ioctl(tty0_fd, VT_OPENQRY, ¤t_vt); |
262 | close(tty0_fd); |
263 | if ( (geteuid() == 0) && (current_vt > 0) ) { |
264 | for ( i=0; vcs[i] && (keyboard_fd < 0); ++i ) { |
265 | char vtpath[12]; |
266 | |
267 | SDL_snprintf(vtpath, SDL_arraysize(vtpath), vcs[i], current_vt); |
268 | keyboard_fd = open(vtpath, O_RDWR, 0); |
269 | #ifdef DEBUG_KEYBOARD |
270 | fprintf(stderr, "vtpath = %s, fd = %d\n", |
271 | vtpath, keyboard_fd); |
272 | #endif /* DEBUG_KEYBOARD */ |
273 | |
274 | /* This needs to be our controlling tty |
275 | so that the kernel ioctl() calls work |
276 | */ |
277 | if ( keyboard_fd >= 0 ) { |
278 | tty0_fd = open("/dev/tty", O_RDWR, 0); |
279 | if ( tty0_fd >= 0 ) { |
280 | ioctl(tty0_fd, TIOCNOTTY, 0); |
281 | close(tty0_fd); |
282 | } |
283 | } |
284 | } |
285 | } |
286 | if ( keyboard_fd < 0 ) { |
287 | /* Last resort, maybe our tty is a usable VT */ |
288 | struct vt_stat vtstate; |
289 | |
290 | keyboard_fd = open("/dev/tty", O_RDWR); |
291 | |
292 | if ( ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0 ) { |
293 | current_vt = vtstate.v_active; |
294 | } else { |
295 | current_vt = 0; |
296 | } |
297 | } |
298 | #ifdef DEBUG_KEYBOARD |
299 | fprintf(stderr, "Current VT: %d\n", current_vt); |
300 | #endif |
301 | saved_kbd_mode = -1; |
302 | |
303 | /* Make sure that our input is a console terminal */ |
304 | { int dummy; |
305 | if ( ioctl(keyboard_fd, KDGKBMODE, &dummy) < 0 ) { |
306 | close(keyboard_fd); |
307 | keyboard_fd = -1; |
308 | SDL_SetError("Unable to open a console terminal"); |
309 | } |
310 | } |
311 | |
312 | /* Set up keymap */ |
313 | FB_vgainitkeymaps(keyboard_fd); |
314 | } |
315 | return(keyboard_fd); |
316 | } |
317 | |
318 | static enum { |
319 | MOUSE_NONE = -1, |
320 | MOUSE_MSC, /* Note: GPM uses the MSC protocol */ |
321 | MOUSE_PS2, |
322 | MOUSE_IMPS2, |
323 | MOUSE_MS, |
324 | MOUSE_BM, |
325 | MOUSE_ELO, |
326 | MOUSE_TSLIB, |
327 | NUM_MOUSE_DRVS |
328 | } mouse_drv = MOUSE_NONE; |
329 | |
330 | void FB_CloseMouse(_THIS) |
331 | { |
332 | #if SDL_INPUT_TSLIB |
333 | if (ts_dev != NULL) { |
334 | ts_close(ts_dev); |
335 | ts_dev = NULL; |
336 | mouse_fd = -1; |
337 | } |
338 | #endif /* SDL_INPUT_TSLIB */ |
339 | if ( mouse_fd > 0 ) { |
340 | close(mouse_fd); |
341 | } |
342 | mouse_fd = -1; |
343 | } |
344 | |
345 | /* Returns processes listed in /proc with the desired name */ |
346 | static int find_pid(DIR *proc, const char *wanted_name) |
347 | { |
348 | struct dirent *entry; |
349 | int pid; |
350 | |
351 | /* First scan proc for the gpm process */ |
352 | pid = 0; |
353 | while ( (pid == 0) && ((entry=readdir(proc)) != NULL) ) { |
354 | if ( isdigit(entry->d_name[0]) ) { |
355 | FILE *status; |
356 | char path[PATH_MAX]; |
357 | char name[PATH_MAX]; |
358 | |
359 | SDL_snprintf(path, SDL_arraysize(path), "/proc/%s/status", entry->d_name); |
360 | status=fopen(path, "r"); |
361 | if ( status ) { |
362 | name[0] = '\0'; |
363 | fscanf(status, "Name: %s", name); |
364 | if ( SDL_strcmp(name, wanted_name) == 0 ) { |
365 | pid = SDL_atoi(entry->d_name); |
366 | } |
367 | fclose(status); |
368 | } |
369 | } |
370 | } |
371 | return pid; |
372 | } |
373 | |
374 | /* Returns true if /dev/gpmdata is being written to by gpm */ |
375 | static int gpm_available(char *proto, size_t protolen) |
376 | { |
377 | int available; |
378 | DIR *proc; |
379 | int pid; |
380 | int cmdline, len, arglen; |
381 | char path[PATH_MAX]; |
382 | char args[PATH_MAX], *arg; |
383 | |
384 | /* Don't bother looking if the fifo isn't there */ |
385 | #ifdef DEBUG_MOUSE |
386 | fprintf(stderr,"testing gpm\n"); |
387 | #endif |
388 | if ( access(GPM_NODE_FIFO, F_OK) < 0 ) { |
389 | return(0); |
390 | } |
391 | |
392 | available = 0; |
393 | proc = opendir("/proc"); |
394 | if ( proc ) { |
395 | char raw_proto[10] = { '\0' }; |
396 | char repeat_proto[10] = { '\0' }; |
397 | while ( !available && (pid=find_pid(proc, "gpm")) > 0 ) { |
398 | SDL_snprintf(path, SDL_arraysize(path), "/proc/%d/cmdline", pid); |
399 | cmdline = open(path, O_RDONLY, 0); |
400 | if ( cmdline >= 0 ) { |
401 | len = read(cmdline, args, sizeof(args)); |
402 | arg = args; |
403 | while ( len > 0 ) { |
404 | arglen = SDL_strlen(arg)+1; |
405 | #ifdef DEBUG_MOUSE |
406 | fprintf(stderr,"gpm arg %s len %d\n",arg,arglen); |
407 | #endif |
408 | if ( SDL_strcmp(arg, "-t") == 0) { |
409 | /* protocol string, keep it for later */ |
410 | char *t, *s; |
411 | t = arg + arglen; |
412 | s = SDL_strchr(t, ' '); |
413 | if (s) *s = 0; |
414 | SDL_strlcpy(raw_proto, t, SDL_arraysize(raw_proto)); |
415 | if (s) *s = ' '; |
416 | } |
417 | if ( SDL_strncmp(arg, "-R", 2) == 0 ) { |
418 | char *t, *s; |
419 | available = 1; |
420 | t = arg + 2; |
421 | s = SDL_strchr(t, ' '); |
422 | if (s) *s = 0; |
423 | SDL_strlcpy(repeat_proto, t, SDL_arraysize(repeat_proto)); |
424 | if (s) *s = ' '; |
425 | } |
426 | len -= arglen; |
427 | arg += arglen; |
428 | } |
429 | close(cmdline); |
430 | } |
431 | } |
432 | closedir(proc); |
433 | |
434 | if ( available ) { |
435 | if ( SDL_strcmp(repeat_proto, "raw") == 0 ) { |
436 | SDL_strlcpy(proto, raw_proto, protolen); |
437 | } else if ( *repeat_proto ) { |
438 | SDL_strlcpy(proto, repeat_proto, protolen); |
439 | } else { |
440 | SDL_strlcpy(proto, "msc", protolen); |
441 | } |
442 | } |
443 | } |
444 | return available; |
445 | } |
446 | |
447 | |
448 | /* rcg06112001 Set up IMPS/2 mode, if possible. This gives |
449 | * us access to the mousewheel, etc. Returns zero if |
450 | * writes to device failed, but you still need to query the |
451 | * device to see which mode it's actually in. |
452 | */ |
453 | static int set_imps2_mode(int fd) |
454 | { |
455 | /* If you wanted to control the mouse mode (and we do :) ) ... |
456 | Set IMPS/2 protocol: |
457 | {0xf3,200,0xf3,100,0xf3,80} |
458 | Reset mouse device: |
459 | {0xFF} |
460 | */ |
461 | Uint8 set_imps2[] = {0xf3, 200, 0xf3, 100, 0xf3, 80}; |
462 | /*Uint8 reset = 0xff;*/ |
463 | fd_set fdset; |
464 | struct timeval tv; |
465 | int retval = 0; |
466 | |
467 | if ( write(fd, &set_imps2, sizeof(set_imps2)) == sizeof(set_imps2) ) { |
468 | /* Don't reset it, that'll clear IMPS/2 mode on some mice |
469 | if (write(fd, &reset, sizeof (reset)) == sizeof (reset) ) { |
470 | retval = 1; |
471 | } |
472 | */ |
473 | } |
474 | |
475 | /* Get rid of any chatter from the above */ |
476 | FD_ZERO(&fdset); |
477 | FD_SET(fd, &fdset); |
478 | tv.tv_sec = 0; |
479 | tv.tv_usec = 0; |
480 | while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) { |
481 | char temp[32]; |
482 | read(fd, temp, sizeof(temp)); |
483 | } |
484 | |
485 | return retval; |
486 | } |
487 | |
488 | |
489 | /* Returns true if the mouse uses the IMPS/2 protocol */ |
490 | static int detect_imps2(int fd) |
491 | { |
492 | int imps2; |
493 | |
494 | imps2 = 0; |
495 | |
496 | if ( SDL_getenv("SDL_MOUSEDEV_IMPS2") ) { |
497 | imps2 = 1; |
498 | } |
499 | if ( ! imps2 ) { |
500 | Uint8 query_ps2 = 0xF2; |
501 | fd_set fdset; |
502 | struct timeval tv; |
503 | |
504 | /* Get rid of any mouse motion noise */ |
505 | FD_ZERO(&fdset); |
506 | FD_SET(fd, &fdset); |
507 | tv.tv_sec = 0; |
508 | tv.tv_usec = 0; |
509 | while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) { |
510 | char temp[32]; |
511 | read(fd, temp, sizeof(temp)); |
512 | } |
513 | |
514 | /* Query for the type of mouse protocol */ |
515 | if ( write(fd, &query_ps2, sizeof (query_ps2)) == sizeof (query_ps2)) { |
516 | Uint8 ch = 0; |
517 | |
518 | /* Get the mouse protocol response */ |
519 | do { |
520 | FD_ZERO(&fdset); |
521 | FD_SET(fd, &fdset); |
522 | tv.tv_sec = 1; |
523 | tv.tv_usec = 0; |
524 | if ( select(fd+1, &fdset, 0, 0, &tv) < 1 ) { |
525 | break; |
526 | } |
527 | } while ( (read(fd, &ch, sizeof (ch)) == sizeof (ch)) && |
528 | ((ch == 0xFA) || (ch == 0xAA)) ); |
529 | |
530 | /* Experimental values (Logitech wheelmouse) */ |
531 | #ifdef DEBUG_MOUSE |
532 | fprintf(stderr, "Last mouse mode: 0x%x\n", ch); |
533 | #endif |
534 | if ( (ch == 3) || (ch == 4) ) { |
535 | imps2 = 1; |
536 | } |
537 | } |
538 | } |
539 | return imps2; |
540 | } |
541 | |
542 | int FB_OpenMouse(_THIS) |
543 | { |
544 | int i; |
545 | const char *mousedev; |
546 | const char *mousedrv; |
547 | |
548 | mousedrv = SDL_getenv("SDL_MOUSEDRV"); |
549 | mousedev = SDL_getenv("SDL_MOUSEDEV"); |
550 | mouse_fd = -1; |
551 | |
552 | #if SDL_INPUT_TSLIB |
553 | if ( mousedrv && (SDL_strcmp(mousedrv, "TSLIB") == 0) ) { |
554 | if (mousedev == NULL) mousedev = SDL_getenv("TSLIB_TSDEVICE"); |
555 | if (mousedev != NULL) { |
556 | ts_dev = ts_open(mousedev, 1); |
557 | if ((ts_dev != NULL) && (ts_config(ts_dev) >= 0)) { |
558 | #ifdef DEBUG_MOUSE |
559 | fprintf(stderr, "Using tslib touchscreen\n"); |
560 | #endif |
561 | mouse_drv = MOUSE_TSLIB; |
562 | mouse_fd = ts_fd(ts_dev); |
563 | return mouse_fd; |
564 | } |
565 | } |
566 | mouse_drv = MOUSE_NONE; |
567 | return mouse_fd; |
568 | } |
569 | #endif /* SDL_INPUT_TSLIB */ |
570 | |
571 | /* ELO TOUCHSCREEN SUPPORT */ |
572 | |
573 | if ( mousedrv && (SDL_strcmp(mousedrv, "ELO") == 0) ) { |
574 | mouse_fd = open(mousedev, O_RDWR); |
575 | if ( mouse_fd >= 0 ) { |
576 | if(eloInitController(mouse_fd)) { |
577 | #ifdef DEBUG_MOUSE |
578 | fprintf(stderr, "Using ELO touchscreen\n"); |
579 | #endif |
580 | mouse_drv = MOUSE_ELO; |
581 | } |
582 | |
583 | } |
584 | else if ( mouse_fd < 0 ) { |
585 | mouse_drv = MOUSE_NONE; |
586 | } |
587 | |
588 | return(mouse_fd); |
589 | } |
590 | |
591 | /* STD MICE */ |
592 | |
593 | if ( mousedev == NULL ) { |
594 | /* FIXME someday... allow multiple mice in this driver */ |
595 | static const char *ps2mice[] = { |
596 | "/dev/input/mice", "/dev/usbmouse", "/dev/psaux", NULL |
597 | }; |
598 | /* First try to use GPM in repeater mode */ |
599 | if ( mouse_fd < 0 ) { |
600 | char proto[10]; |
601 | if ( gpm_available(proto, SDL_arraysize(proto)) ) { |
602 | mouse_fd = open(GPM_NODE_FIFO, O_RDONLY, 0); |
603 | if ( mouse_fd >= 0 ) { |
604 | if ( SDL_strcmp(proto, "msc") == 0 ) { |
605 | mouse_drv = MOUSE_MSC; |
606 | } else if ( SDL_strcmp(proto, "ps2") == 0 ) { |
607 | mouse_drv = MOUSE_PS2; |
608 | } else if ( SDL_strcmp(proto, "imps2") == 0 ) { |
609 | mouse_drv = MOUSE_IMPS2; |
610 | } else if ( SDL_strcmp(proto, "ms") == 0 || |
611 | SDL_strcmp(proto, "bare") == 0 ) { |
612 | mouse_drv = MOUSE_MS; |
613 | } else if ( SDL_strcmp(proto, "bm") == 0 ) { |
614 | mouse_drv = MOUSE_BM; |
615 | } else { |
616 | /* Unknown protocol... */ |
617 | #ifdef DEBUG_MOUSE |
618 | fprintf(stderr, "GPM mouse using unknown protocol = %s\n", proto); |
619 | #endif |
620 | close(mouse_fd); |
621 | mouse_fd = -1; |
622 | } |
623 | } |
624 | #ifdef DEBUG_MOUSE |
625 | if ( mouse_fd >= 0 ) { |
626 | fprintf(stderr, "Using GPM mouse, protocol = %s\n", proto); |
627 | } |
628 | #endif /* DEBUG_MOUSE */ |
629 | } |
630 | } |
631 | /* Now try to use a modern PS/2 mouse */ |
632 | for ( i=0; (mouse_fd < 0) && ps2mice[i]; ++i ) { |
633 | mouse_fd = open(ps2mice[i], O_RDWR, 0); |
634 | if (mouse_fd < 0) { |
635 | mouse_fd = open(ps2mice[i], O_RDONLY, 0); |
636 | } |
637 | if (mouse_fd >= 0) { |
638 | /* rcg06112001 Attempt to set IMPS/2 mode */ |
639 | set_imps2_mode(mouse_fd); |
640 | if (detect_imps2(mouse_fd)) { |
641 | #ifdef DEBUG_MOUSE |
642 | fprintf(stderr, "Using IMPS2 mouse\n"); |
643 | #endif |
644 | mouse_drv = MOUSE_IMPS2; |
645 | } else { |
646 | #ifdef DEBUG_MOUSE |
647 | fprintf(stderr, "Using PS2 mouse\n"); |
648 | #endif |
649 | mouse_drv = MOUSE_PS2; |
650 | } |
651 | } |
652 | } |
653 | /* Next try to use a PPC ADB port mouse */ |
654 | if ( mouse_fd < 0 ) { |
655 | mouse_fd = open("/dev/adbmouse", O_RDONLY, 0); |
656 | if ( mouse_fd >= 0 ) { |
657 | #ifdef DEBUG_MOUSE |
658 | fprintf(stderr, "Using ADB mouse\n"); |
659 | #endif |
660 | mouse_drv = MOUSE_BM; |
661 | } |
662 | } |
663 | } |
664 | /* Default to a serial Microsoft mouse */ |
665 | if ( mouse_fd < 0 ) { |
666 | if ( mousedev == NULL ) { |
667 | mousedev = "/dev/mouse"; |
668 | } |
669 | mouse_fd = open(mousedev, O_RDONLY, 0); |
670 | if ( mouse_fd >= 0 ) { |
671 | struct termios mouse_termios; |
672 | |
673 | /* Set the sampling speed to 1200 baud */ |
674 | tcgetattr(mouse_fd, &mouse_termios); |
675 | mouse_termios.c_iflag = IGNBRK | IGNPAR; |
676 | mouse_termios.c_oflag = 0; |
677 | mouse_termios.c_lflag = 0; |
678 | mouse_termios.c_line = 0; |
679 | mouse_termios.c_cc[VTIME] = 0; |
680 | mouse_termios.c_cc[VMIN] = 1; |
681 | mouse_termios.c_cflag = CREAD | CLOCAL | HUPCL; |
682 | mouse_termios.c_cflag |= CS8; |
683 | mouse_termios.c_cflag |= B1200; |
684 | tcsetattr(mouse_fd, TCSAFLUSH, &mouse_termios); |
685 | if ( mousedrv && (SDL_strcmp(mousedrv, "PS2") == 0) ) { |
686 | #ifdef DEBUG_MOUSE |
687 | fprintf(stderr, "Using (user specified) PS2 mouse on %s\n", mousedev); |
688 | #endif |
689 | mouse_drv = MOUSE_PS2; |
690 | } else { |
691 | #ifdef DEBUG_MOUSE |
692 | fprintf(stderr, "Using (default) MS mouse on %s\n", mousedev); |
693 | #endif |
694 | mouse_drv = MOUSE_MS; |
695 | } |
696 | } |
697 | } |
698 | if ( mouse_fd < 0 ) { |
699 | mouse_drv = MOUSE_NONE; |
700 | } |
701 | return(mouse_fd); |
702 | } |
703 | |
704 | static int posted = 0; |
705 | |
706 | void FB_vgamousecallback(int button, int relative, int dx, int dy) |
707 | { |
708 | int button_1, button_3; |
709 | int button_state; |
710 | int state_changed; |
711 | int i; |
712 | Uint8 state; |
713 | |
714 | if ( dx || dy ) { |
715 | posted += SDL_PrivateMouseMotion(0, relative, dx, dy); |
716 | } |
717 | |
718 | /* Swap button 1 and 3 */ |
719 | button_1 = (button & 0x04) >> 2; |
720 | button_3 = (button & 0x01) << 2; |
721 | button &= ~0x05; |
722 | button |= (button_1|button_3); |
723 | |
724 | /* See what changed */ |
725 | button_state = SDL_GetMouseState(NULL, NULL); |
726 | state_changed = button_state ^ button; |
727 | for ( i=0; i<8; ++i ) { |
728 | if ( state_changed & (1<<i) ) { |
729 | if ( button & (1<<i) ) { |
730 | state = SDL_PRESSED; |
731 | } else { |
732 | state = SDL_RELEASED; |
733 | } |
734 | posted += SDL_PrivateMouseButton(state, i+1, 0, 0); |
735 | } |
736 | } |
737 | } |
738 | |
739 | /* Handle input from tslib */ |
740 | #if SDL_INPUT_TSLIB |
741 | static void handle_tslib(_THIS) |
742 | { |
743 | struct ts_sample sample; |
744 | int button; |
745 | |
746 | while (ts_read(ts_dev, &sample, 1) > 0) { |
747 | button = (sample.pressure > 0) ? 1 : 0; |
748 | button <<= 2; /* must report it as button 3 */ |
749 | FB_vgamousecallback(button, 0, sample.x, sample.y); |
750 | } |
751 | return; |
752 | } |
753 | #endif /* SDL_INPUT_TSLIB */ |
754 | |
755 | /* For now, use MSC, PS/2, and MS protocols |
756 | Driver adapted from the SVGAlib mouse driver code (taken from gpm, etc.) |
757 | */ |
758 | static void handle_mouse(_THIS) |
759 | { |
760 | static int start = 0; |
761 | static unsigned char mousebuf[BUFSIZ]; |
762 | static int relative = 1; |
763 | |
764 | int i, nread; |
765 | int button = 0; |
766 | int dx = 0, dy = 0; |
767 | int packetsize = 0; |
768 | int realx, realy; |
769 | |
770 | /* Figure out the mouse packet size */ |
771 | switch (mouse_drv) { |
772 | case MOUSE_NONE: |
773 | /* Ack! */ |
774 | read(mouse_fd, mousebuf, BUFSIZ); |
775 | return; |
776 | case MOUSE_MSC: |
777 | packetsize = 5; |
778 | break; |
779 | case MOUSE_IMPS2: |
780 | packetsize = 4; |
781 | break; |
782 | case MOUSE_PS2: |
783 | case MOUSE_MS: |
784 | case MOUSE_BM: |
785 | packetsize = 3; |
786 | break; |
787 | case MOUSE_ELO: |
788 | /* try to read the next packet */ |
789 | if(eloReadPosition(this, mouse_fd, &dx, &dy, &button, &realx, &realy)) { |
790 | button = (button & 0x01) << 2; |
791 | FB_vgamousecallback(button, 0, dx, dy); |
792 | } |
793 | return; /* nothing left to do */ |
794 | case MOUSE_TSLIB: |
795 | #if SDL_INPUT_TSLIB |
796 | handle_tslib(this); |
797 | #endif |
798 | return; /* nothing left to do */ |
799 | default: |
800 | /* Uh oh.. */ |
801 | packetsize = 0; |
802 | break; |
803 | } |
804 | |
805 | /* Special handling for the quite sensitive ELO controller */ |
806 | if (mouse_drv == MOUSE_ELO) { |
807 | |
808 | } |
809 | |
810 | /* Read as many packets as possible */ |
811 | nread = read(mouse_fd, &mousebuf[start], BUFSIZ-start); |
812 | if ( nread < 0 ) { |
813 | return; |
814 | } |
815 | nread += start; |
816 | #ifdef DEBUG_MOUSE |
817 | fprintf(stderr, "Read %d bytes from mouse, start = %d\n", nread, start); |
818 | #endif |
819 | for ( i=0; i<(nread-(packetsize-1)); i += packetsize ) { |
820 | switch (mouse_drv) { |
821 | case MOUSE_NONE: |
822 | break; |
823 | case MOUSE_MSC: |
824 | /* MSC protocol has 0x80 in high byte */ |
825 | if ( (mousebuf[i] & 0xF8) != 0x80 ) { |
826 | /* Go to next byte */ |
827 | i -= (packetsize-1); |
828 | continue; |
829 | } |
830 | /* Get current mouse state */ |
831 | button = (~mousebuf[i]) & 0x07; |
832 | dx = (signed char)(mousebuf[i+1]) + |
833 | (signed char)(mousebuf[i+3]); |
834 | dy = -((signed char)(mousebuf[i+2]) + |
835 | (signed char)(mousebuf[i+4])); |
836 | break; |
837 | case MOUSE_PS2: |
838 | /* PS/2 protocol has nothing in high byte */ |
839 | if ( (mousebuf[i] & 0xC0) != 0 ) { |
840 | /* Go to next byte */ |
841 | i -= (packetsize-1); |
842 | continue; |
843 | } |
844 | /* Get current mouse state */ |
845 | button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/ |
846 | (mousebuf[i] & 0x02) >> 1 | /*Right*/ |
847 | (mousebuf[i] & 0x01) << 2; /*Left*/ |
848 | dx = (mousebuf[i] & 0x10) ? |
849 | mousebuf[i+1] - 256 : mousebuf[i+1]; |
850 | dy = (mousebuf[i] & 0x20) ? |
851 | -(mousebuf[i+2] - 256) : -mousebuf[i+2]; |
852 | break; |
853 | case MOUSE_IMPS2: |
854 | /* Get current mouse state */ |
855 | button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/ |
856 | (mousebuf[i] & 0x02) >> 1 | /*Right*/ |
857 | (mousebuf[i] & 0x01) << 2 | /*Left*/ |
858 | (mousebuf[i] & 0x40) >> 3 | /* 4 */ |
859 | (mousebuf[i] & 0x80) >> 3; /* 5 */ |
860 | dx = (mousebuf[i] & 0x10) ? |
861 | mousebuf[i+1] - 256 : mousebuf[i+1]; |
862 | dy = (mousebuf[i] & 0x20) ? |
863 | -(mousebuf[i+2] - 256) : -mousebuf[i+2]; |
864 | switch (mousebuf[i+3]&0x0F) { |
865 | case 0x0E: /* DX = +1 */ |
866 | case 0x02: /* DX = -1 */ |
867 | break; |
868 | case 0x0F: /* DY = +1 (map button 4) */ |
869 | FB_vgamousecallback(button | (1<<3), |
870 | 1, 0, 0); |
871 | break; |
872 | case 0x01: /* DY = -1 (map button 5) */ |
873 | FB_vgamousecallback(button | (1<<4), |
874 | 1, 0, 0); |
875 | break; |
876 | } |
877 | break; |
878 | case MOUSE_MS: |
879 | /* Microsoft protocol has 0x40 in high byte */ |
880 | if ( (mousebuf[i] & 0x40) != 0x40 ) { |
881 | /* Go to next byte */ |
882 | i -= (packetsize-1); |
883 | continue; |
884 | } |
885 | /* Get current mouse state */ |
886 | button = ((mousebuf[i] & 0x20) >> 3) | |
887 | ((mousebuf[i] & 0x10) >> 4); |
888 | dx = (signed char)(((mousebuf[i] & 0x03) << 6) | |
889 | (mousebuf[i + 1] & 0x3F)); |
890 | dy = (signed char)(((mousebuf[i] & 0x0C) << 4) | |
891 | (mousebuf[i + 2] & 0x3F)); |
892 | break; |
893 | case MOUSE_BM: |
894 | /* BusMouse protocol has 0xF8 in high byte */ |
895 | if ( (mousebuf[i] & 0xF8) != 0x80 ) { |
896 | /* Go to next byte */ |
897 | i -= (packetsize-1); |
898 | continue; |
899 | } |
900 | /* Get current mouse state */ |
901 | button = (~mousebuf[i]) & 0x07; |
902 | dx = (signed char)mousebuf[i+1]; |
903 | dy = -(signed char)mousebuf[i+2]; |
904 | break; |
905 | default: |
906 | /* Uh oh.. */ |
907 | dx = 0; |
908 | dy = 0; |
909 | break; |
910 | } |
911 | FB_vgamousecallback(button, relative, dx, dy); |
912 | } |
913 | if ( i < nread ) { |
914 | SDL_memcpy(mousebuf, &mousebuf[i], (nread-i)); |
915 | start = (nread-i); |
916 | } else { |
917 | start = 0; |
918 | } |
919 | return; |
920 | } |
921 | |
922 | /* Handle switching to another VC, returns when our VC is back */ |
923 | static void switch_vt_prep(_THIS) |
924 | { |
925 | SDL_Surface *screen = SDL_VideoSurface; |
926 | |
927 | SDL_PrivateAppActive(0, (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS)); |
928 | |
929 | /* Save the contents of the screen, and go to text mode */ |
930 | wait_idle(this); |
931 | screen_arealen = ((screen->h + (2*this->offset_y)) * screen->pitch); |
932 | screen_contents = (Uint8 *)SDL_malloc(screen_arealen); |
933 | if ( screen_contents ) { |
934 | SDL_memcpy(screen_contents, screen->pixels, screen_arealen); |
935 | } |
936 | FB_SavePaletteTo(this, 256, screen_palette); |
937 | ioctl(console_fd, FBIOGET_VSCREENINFO, &screen_vinfo); |
938 | ioctl(keyboard_fd, KDSETMODE, KD_TEXT); |
939 | ioctl(keyboard_fd, VT_UNLOCKSWITCH, 1); |
940 | } |
941 | static void switch_vt_done(_THIS) |
942 | { |
943 | SDL_Surface *screen = SDL_VideoSurface; |
944 | |
945 | /* Restore graphics mode and the contents of the screen */ |
946 | ioctl(keyboard_fd, VT_LOCKSWITCH, 1); |
947 | ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS); |
948 | ioctl(console_fd, FBIOPUT_VSCREENINFO, &screen_vinfo); |
949 | FB_RestorePaletteFrom(this, 256, screen_palette); |
950 | if ( screen_contents ) { |
951 | SDL_memcpy(screen->pixels, screen_contents, screen_arealen); |
952 | SDL_free(screen_contents); |
953 | screen_contents = NULL; |
954 | } |
955 | |
956 | /* Get updates to the shadow surface while switched away */ |
957 | if ( SDL_ShadowSurface ) { |
958 | SDL_UpdateRect(SDL_ShadowSurface, 0, 0, 0, 0); |
959 | } |
960 | |
961 | SDL_PrivateAppActive(1, (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS)); |
962 | } |
963 | static void switch_vt(_THIS, unsigned short which) |
964 | { |
965 | struct vt_stat vtstate; |
966 | |
967 | /* Figure out whether or not we're switching to a new console */ |
968 | if ( (ioctl(keyboard_fd, VT_GETSTATE, &vtstate) < 0) || |
969 | (which == vtstate.v_active) ) { |
970 | return; |
971 | } |
972 | |
973 | /* New console, switch to it */ |
974 | SDL_mutexP(hw_lock); |
975 | switch_vt_prep(this); |
976 | if ( ioctl(keyboard_fd, VT_ACTIVATE, which) == 0 ) { |
977 | ioctl(keyboard_fd, VT_WAITACTIVE, which); |
978 | switched_away = 1; |
979 | } else { |
980 | switch_vt_done(this); |
981 | } |
982 | SDL_mutexV(hw_lock); |
983 | } |
984 | |
985 | static void handle_keyboard(_THIS) |
986 | { |
987 | unsigned char keybuf[BUFSIZ]; |
988 | int i, nread; |
989 | int pressed; |
990 | int scancode; |
991 | SDL_keysym keysym; |
992 | |
993 | nread = read(keyboard_fd, keybuf, BUFSIZ); |
994 | for ( i=0; i<nread; ++i ) { |
995 | scancode = keybuf[i] & 0x7F; |
996 | if ( keybuf[i] & 0x80 ) { |
997 | pressed = SDL_RELEASED; |
998 | } else { |
999 | pressed = SDL_PRESSED; |
1000 | } |
1001 | TranslateKey(scancode, &keysym); |
1002 | /* Handle Ctrl-Alt-FN for vt switch */ |
1003 | switch (keysym.sym) { |
1004 | case SDLK_F1: |
1005 | case SDLK_F2: |
1006 | case SDLK_F3: |
1007 | case SDLK_F4: |
1008 | case SDLK_F5: |
1009 | case SDLK_F6: |
1010 | case SDLK_F7: |
1011 | case SDLK_F8: |
1012 | case SDLK_F9: |
1013 | case SDLK_F10: |
1014 | case SDLK_F11: |
1015 | case SDLK_F12: |
1016 | if ( (SDL_GetModState() & KMOD_CTRL) && |
1017 | (SDL_GetModState() & KMOD_ALT) ) { |
1018 | if ( pressed ) { |
1019 | switch_vt(this, (keysym.sym-SDLK_F1)+1); |
1020 | } |
1021 | break; |
1022 | } |
1023 | /* Fall through to normal processing */ |
1024 | default: |
1025 | posted += SDL_PrivateKeyboard(pressed, &keysym); |
1026 | break; |
1027 | } |
1028 | } |
1029 | } |
1030 | |
1031 | void FB_PumpEvents(_THIS) |
1032 | { |
1033 | fd_set fdset; |
1034 | int max_fd; |
1035 | static struct timeval zero; |
1036 | |
1037 | do { |
1038 | if ( switched_away ) { |
1039 | struct vt_stat vtstate; |
1040 | |
1041 | SDL_mutexP(hw_lock); |
1042 | if ( (ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0) && |
1043 | vtstate.v_active == current_vt ) { |
1044 | switched_away = 0; |
1045 | switch_vt_done(this); |
1046 | } |
1047 | SDL_mutexV(hw_lock); |
1048 | } |
1049 | |
1050 | posted = 0; |
1051 | |
1052 | FD_ZERO(&fdset); |
1053 | max_fd = 0; |
1054 | if ( keyboard_fd >= 0 ) { |
1055 | FD_SET(keyboard_fd, &fdset); |
1056 | if ( max_fd < keyboard_fd ) { |
1057 | max_fd = keyboard_fd; |
1058 | } |
1059 | } |
1060 | if ( mouse_fd >= 0 ) { |
1061 | FD_SET(mouse_fd, &fdset); |
1062 | if ( max_fd < mouse_fd ) { |
1063 | max_fd = mouse_fd; |
1064 | } |
1065 | } |
1066 | if ( select(max_fd+1, &fdset, NULL, NULL, &zero) > 0 ) { |
1067 | if ( keyboard_fd >= 0 ) { |
1068 | if ( FD_ISSET(keyboard_fd, &fdset) ) { |
1069 | handle_keyboard(this); |
1070 | } |
1071 | } |
1072 | if ( mouse_fd >= 0 ) { |
1073 | if ( FD_ISSET(mouse_fd, &fdset) ) { |
1074 | handle_mouse(this); |
1075 | } |
1076 | } |
1077 | } |
1078 | } while ( posted ); |
1079 | } |
1080 | |
1081 | void FB_InitOSKeymap(_THIS) |
1082 | { |
1083 | int i; |
1084 | |
1085 | /* Initialize the Linux key translation table */ |
1086 | |
1087 | /* First get the ascii keys and others not well handled */ |
1088 | for (i=0; i<SDL_arraysize(keymap); ++i) { |
1089 | switch(i) { |
1090 | /* These aren't handled by the x86 kernel keymapping (?) */ |
1091 | case SCANCODE_PRINTSCREEN: |
1092 | keymap[i] = SDLK_PRINT; |
1093 | break; |
1094 | case SCANCODE_BREAK: |
1095 | keymap[i] = SDLK_BREAK; |
1096 | break; |
1097 | case SCANCODE_BREAK_ALTERNATIVE: |
1098 | keymap[i] = SDLK_PAUSE; |
1099 | break; |
1100 | case SCANCODE_LEFTSHIFT: |
1101 | keymap[i] = SDLK_LSHIFT; |
1102 | break; |
1103 | case SCANCODE_RIGHTSHIFT: |
1104 | keymap[i] = SDLK_RSHIFT; |
1105 | break; |
1106 | case SCANCODE_LEFTCONTROL: |
1107 | keymap[i] = SDLK_LCTRL; |
1108 | break; |
1109 | case SCANCODE_RIGHTCONTROL: |
1110 | keymap[i] = SDLK_RCTRL; |
1111 | break; |
1112 | case SCANCODE_RIGHTWIN: |
1113 | keymap[i] = SDLK_RSUPER; |
1114 | break; |
1115 | case SCANCODE_LEFTWIN: |
1116 | keymap[i] = SDLK_LSUPER; |
1117 | break; |
1118 | case SCANCODE_LEFTALT: |
1119 | keymap[i] = SDLK_LALT; |
1120 | break; |
1121 | case SCANCODE_RIGHTALT: |
1122 | keymap[i] = SDLK_RALT; |
1123 | break; |
1124 | case 127: |
1125 | keymap[i] = SDLK_MENU; |
1126 | break; |
1127 | /* this should take care of all standard ascii keys */ |
1128 | default: |
1129 | keymap[i] = KVAL(vga_keymap[0][i]); |
1130 | break; |
1131 | } |
1132 | } |
1133 | for (i=0; i<SDL_arraysize(keymap); ++i) { |
1134 | switch(keymap_temp[i]) { |
1135 | case K_F1: keymap[i] = SDLK_F1; break; |
1136 | case K_F2: keymap[i] = SDLK_F2; break; |
1137 | case K_F3: keymap[i] = SDLK_F3; break; |
1138 | case K_F4: keymap[i] = SDLK_F4; break; |
1139 | case K_F5: keymap[i] = SDLK_F5; break; |
1140 | case K_F6: keymap[i] = SDLK_F6; break; |
1141 | case K_F7: keymap[i] = SDLK_F7; break; |
1142 | case K_F8: keymap[i] = SDLK_F8; break; |
1143 | case K_F9: keymap[i] = SDLK_F9; break; |
1144 | case K_F10: keymap[i] = SDLK_F10; break; |
1145 | case K_F11: keymap[i] = SDLK_F11; break; |
1146 | case K_F12: keymap[i] = SDLK_F12; break; |
1147 | |
1148 | case K_DOWN: keymap[i] = SDLK_DOWN; break; |
1149 | case K_LEFT: keymap[i] = SDLK_LEFT; break; |
1150 | case K_RIGHT: keymap[i] = SDLK_RIGHT; break; |
1151 | case K_UP: keymap[i] = SDLK_UP; break; |
1152 | |
1153 | case K_P0: keymap[i] = SDLK_KP0; break; |
1154 | case K_P1: keymap[i] = SDLK_KP1; break; |
1155 | case K_P2: keymap[i] = SDLK_KP2; break; |
1156 | case K_P3: keymap[i] = SDLK_KP3; break; |
1157 | case K_P4: keymap[i] = SDLK_KP4; break; |
1158 | case K_P5: keymap[i] = SDLK_KP5; break; |
1159 | case K_P6: keymap[i] = SDLK_KP6; break; |
1160 | case K_P7: keymap[i] = SDLK_KP7; break; |
1161 | case K_P8: keymap[i] = SDLK_KP8; break; |
1162 | case K_P9: keymap[i] = SDLK_KP9; break; |
1163 | case K_PPLUS: keymap[i] = SDLK_KP_PLUS; break; |
1164 | case K_PMINUS: keymap[i] = SDLK_KP_MINUS; break; |
1165 | case K_PSTAR: keymap[i] = SDLK_KP_MULTIPLY; break; |
1166 | case K_PSLASH: keymap[i] = SDLK_KP_DIVIDE; break; |
1167 | case K_PENTER: keymap[i] = SDLK_KP_ENTER; break; |
1168 | case K_PDOT: keymap[i] = SDLK_KP_PERIOD; break; |
1169 | |
1170 | case K_SHIFT: if ( keymap[i] != SDLK_RSHIFT ) |
1171 | keymap[i] = SDLK_LSHIFT; |
1172 | break; |
1173 | case K_SHIFTL: keymap[i] = SDLK_LSHIFT; break; |
1174 | case K_SHIFTR: keymap[i] = SDLK_RSHIFT; break; |
1175 | case K_CTRL: if ( keymap[i] != SDLK_RCTRL ) |
1176 | keymap[i] = SDLK_LCTRL; |
1177 | break; |
1178 | case K_CTRLL: keymap[i] = SDLK_LCTRL; break; |
1179 | case K_CTRLR: keymap[i] = SDLK_RCTRL; break; |
1180 | case K_ALT: keymap[i] = SDLK_LALT; break; |
1181 | case K_ALTGR: keymap[i] = SDLK_RALT; break; |
1182 | |
1183 | case K_INSERT: keymap[i] = SDLK_INSERT; break; |
1184 | case K_REMOVE: keymap[i] = SDLK_DELETE; break; |
1185 | case K_PGUP: keymap[i] = SDLK_PAGEUP; break; |
1186 | case K_PGDN: keymap[i] = SDLK_PAGEDOWN; break; |
1187 | case K_FIND: keymap[i] = SDLK_HOME; break; |
1188 | case K_SELECT: keymap[i] = SDLK_END; break; |
1189 | |
1190 | case K_NUM: keymap[i] = SDLK_NUMLOCK; break; |
1191 | case K_CAPS: keymap[i] = SDLK_CAPSLOCK; break; |
1192 | |
1193 | case K_F13: keymap[i] = SDLK_PRINT; break; |
1194 | case K_HOLD: keymap[i] = SDLK_SCROLLOCK; break; |
1195 | case K_PAUSE: keymap[i] = SDLK_PAUSE; break; |
1196 | |
1197 | case 127: keymap[i] = SDLK_BACKSPACE; break; |
1198 | |
1199 | default: break; |
1200 | } |
1201 | } |
1202 | } |
1203 | |
1204 | static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym) |
1205 | { |
1206 | /* Set the keysym information */ |
1207 | keysym->scancode = scancode; |
1208 | keysym->sym = keymap[scancode]; |
1209 | keysym->mod = KMOD_NONE; |
1210 | |
1211 | /* If UNICODE is on, get the UNICODE value for the key */ |
1212 | keysym->unicode = 0; |
1213 | if ( SDL_TranslateUNICODE ) { |
1214 | int map; |
1215 | SDLMod modstate; |
1216 | |
1217 | modstate = SDL_GetModState(); |
1218 | map = 0; |
1219 | if ( modstate & KMOD_SHIFT ) { |
1220 | map |= (1<<KG_SHIFT); |
1221 | } |
1222 | if ( modstate & KMOD_CTRL ) { |
1223 | map |= (1<<KG_CTRL); |
1224 | } |
1225 | if ( modstate & KMOD_LALT ) { |
1226 | map |= (1<<KG_ALT); |
1227 | } |
1228 | if ( modstate & KMOD_RALT ) { |
1229 | map |= (1<<KG_ALTGR); |
1230 | } |
1231 | if ( KTYP(vga_keymap[map][scancode]) == KT_LETTER ) { |
1232 | if ( modstate & KMOD_CAPS ) { |
1233 | map ^= (1<<KG_SHIFT); |
1234 | } |
1235 | } |
1236 | if ( KTYP(vga_keymap[map][scancode]) == KT_PAD ) { |
1237 | if ( modstate & KMOD_NUM ) { |
1238 | keysym->unicode=KVAL(vga_keymap[map][scancode]); |
1239 | } |
1240 | } else { |
1241 | keysym->unicode = KVAL(vga_keymap[map][scancode]); |
1242 | } |
1243 | } |
1244 | return(keysym); |
1245 | } |