diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/ps2gs/SDL_gsevents.c')
-rw-r--r-- | apps/plugins/sdl/src/video/ps2gs/SDL_gsevents.c | 977 |
1 files changed, 977 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/video/ps2gs/SDL_gsevents.c b/apps/plugins/sdl/src/video/ps2gs/SDL_gsevents.c new file mode 100644 index 0000000000..1b842afe39 --- /dev/null +++ b/apps/plugins/sdl/src/video/ps2gs/SDL_gsevents.c | |||
@@ -0,0 +1,977 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 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 <sys/types.h> | ||
27 | #include <sys/time.h> | ||
28 | #include <sys/ioctl.h> | ||
29 | #include <unistd.h> | ||
30 | #include <fcntl.h> | ||
31 | #include <errno.h> | ||
32 | #include <limits.h> | ||
33 | |||
34 | /* For parsing /proc */ | ||
35 | #include <dirent.h> | ||
36 | #include <ctype.h> | ||
37 | |||
38 | #include <linux/vt.h> | ||
39 | #include <linux/kd.h> | ||
40 | #include <linux/keyboard.h> | ||
41 | |||
42 | #include "SDL_mutex.h" | ||
43 | #include "../SDL_sysvideo.h" | ||
44 | #include "../../events/SDL_sysevents.h" | ||
45 | #include "../../events/SDL_events_c.h" | ||
46 | #include "SDL_gsvideo.h" | ||
47 | #include "SDL_gsevents_c.h" | ||
48 | #include "SDL_gskeys.h" | ||
49 | |||
50 | #ifndef GPM_NODE_FIFO | ||
51 | #define GPM_NODE_FIFO "/dev/gpmdata" | ||
52 | #endif | ||
53 | |||
54 | /* The translation tables from a console scancode to a SDL keysym */ | ||
55 | #define NUM_VGAKEYMAPS (1<<KG_CAPSSHIFT) | ||
56 | static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS]; | ||
57 | static SDLKey keymap[128]; | ||
58 | static Uint16 keymap_temp[128]; /* only used at startup */ | ||
59 | static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym); | ||
60 | |||
61 | /* Ugh, we have to duplicate the kernel's keysym mapping code... | ||
62 | Oh, it's not so bad. :-) | ||
63 | |||
64 | FIXME: Add keyboard LED handling code | ||
65 | */ | ||
66 | static void GS_vgainitkeymaps(int fd) | ||
67 | { | ||
68 | struct kbentry entry; | ||
69 | int map, i; | ||
70 | |||
71 | /* Don't do anything if we are passed a closed keyboard */ | ||
72 | if ( fd < 0 ) { | ||
73 | return; | ||
74 | } | ||
75 | |||
76 | /* Load all the keysym mappings */ | ||
77 | for ( map=0; map<NUM_VGAKEYMAPS; ++map ) { | ||
78 | SDL_memset(vga_keymap[map], 0, NR_KEYS*sizeof(Uint16)); | ||
79 | for ( i=0; i<NR_KEYS; ++i ) { | ||
80 | entry.kb_table = map; | ||
81 | entry.kb_index = i; | ||
82 | if ( ioctl(fd, KDGKBENT, &entry) == 0 ) { | ||
83 | /* fill keytemp. This replaces SDL_fbkeys.h */ | ||
84 | if ( (map == 0) && (i<128) ) { | ||
85 | keymap_temp[i] = entry.kb_value; | ||
86 | } | ||
87 | /* The "Enter" key is a special case */ | ||
88 | if ( entry.kb_value == K_ENTER ) { | ||
89 | entry.kb_value = K(KT_ASCII,13); | ||
90 | } | ||
91 | /* Handle numpad specially as well */ | ||
92 | if ( KTYP(entry.kb_value) == KT_PAD ) { | ||
93 | switch ( entry.kb_value ) { | ||
94 | case K_P0: | ||
95 | case K_P1: | ||
96 | case K_P2: | ||
97 | case K_P3: | ||
98 | case K_P4: | ||
99 | case K_P5: | ||
100 | case K_P6: | ||
101 | case K_P7: | ||
102 | case K_P8: | ||
103 | case K_P9: | ||
104 | vga_keymap[map][i]=entry.kb_value; | ||
105 | vga_keymap[map][i]+= '0'; | ||
106 | break; | ||
107 | case K_PPLUS: | ||
108 | vga_keymap[map][i]=K(KT_ASCII,'+'); | ||
109 | break; | ||
110 | case K_PMINUS: | ||
111 | vga_keymap[map][i]=K(KT_ASCII,'-'); | ||
112 | break; | ||
113 | case K_PSTAR: | ||
114 | vga_keymap[map][i]=K(KT_ASCII,'*'); | ||
115 | break; | ||
116 | case K_PSLASH: | ||
117 | vga_keymap[map][i]=K(KT_ASCII,'/'); | ||
118 | break; | ||
119 | case K_PENTER: | ||
120 | vga_keymap[map][i]=K(KT_ASCII,'\r'); | ||
121 | break; | ||
122 | case K_PCOMMA: | ||
123 | vga_keymap[map][i]=K(KT_ASCII,','); | ||
124 | break; | ||
125 | case K_PDOT: | ||
126 | vga_keymap[map][i]=K(KT_ASCII,'.'); | ||
127 | break; | ||
128 | default: | ||
129 | break; | ||
130 | } | ||
131 | } | ||
132 | /* Do the normal key translation */ | ||
133 | if ( (KTYP(entry.kb_value) == KT_LATIN) || | ||
134 | (KTYP(entry.kb_value) == KT_ASCII) || | ||
135 | (KTYP(entry.kb_value) == KT_LETTER) ) { | ||
136 | vga_keymap[map][i] = entry.kb_value; | ||
137 | } | ||
138 | } | ||
139 | } | ||
140 | } | ||
141 | } | ||
142 | |||
143 | int GS_InGraphicsMode(_THIS) | ||
144 | { | ||
145 | return((keyboard_fd >= 0) && (saved_kbd_mode >= 0)); | ||
146 | } | ||
147 | |||
148 | int GS_EnterGraphicsMode(_THIS) | ||
149 | { | ||
150 | struct termios keyboard_termios; | ||
151 | |||
152 | /* Set medium-raw keyboard mode */ | ||
153 | if ( (keyboard_fd >= 0) && !GS_InGraphicsMode(this) ) { | ||
154 | |||
155 | /* Switch to the correct virtual terminal */ | ||
156 | if ( current_vt > 0 ) { | ||
157 | struct vt_stat vtstate; | ||
158 | |||
159 | if ( ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0 ) { | ||
160 | saved_vt = vtstate.v_active; | ||
161 | } | ||
162 | if ( ioctl(keyboard_fd, VT_ACTIVATE, current_vt) == 0 ) { | ||
163 | ioctl(keyboard_fd, VT_WAITACTIVE, current_vt); | ||
164 | } | ||
165 | } | ||
166 | |||
167 | /* Set the terminal input mode */ | ||
168 | if ( tcgetattr(keyboard_fd, &saved_kbd_termios) < 0 ) { | ||
169 | SDL_SetError("Unable to get terminal attributes"); | ||
170 | if ( keyboard_fd > 0 ) { | ||
171 | close(keyboard_fd); | ||
172 | } | ||
173 | keyboard_fd = -1; | ||
174 | return(-1); | ||
175 | } | ||
176 | if ( ioctl(keyboard_fd, KDGKBMODE, &saved_kbd_mode) < 0 ) { | ||
177 | SDL_SetError("Unable to get current keyboard mode"); | ||
178 | if ( keyboard_fd > 0 ) { | ||
179 | close(keyboard_fd); | ||
180 | } | ||
181 | keyboard_fd = -1; | ||
182 | return(-1); | ||
183 | } | ||
184 | keyboard_termios = saved_kbd_termios; | ||
185 | keyboard_termios.c_lflag &= ~(ICANON | ECHO | ISIG); | ||
186 | keyboard_termios.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON); | ||
187 | keyboard_termios.c_cc[VMIN] = 0; | ||
188 | keyboard_termios.c_cc[VTIME] = 0; | ||
189 | if (tcsetattr(keyboard_fd, TCSAFLUSH, &keyboard_termios) < 0) { | ||
190 | GS_CloseKeyboard(this); | ||
191 | SDL_SetError("Unable to set terminal attributes"); | ||
192 | return(-1); | ||
193 | } | ||
194 | /* This will fail if we aren't root or this isn't our tty */ | ||
195 | if ( ioctl(keyboard_fd, KDSKBMODE, K_MEDIUMRAW) < 0 ) { | ||
196 | GS_CloseKeyboard(this); | ||
197 | SDL_SetError("Unable to set keyboard in raw mode"); | ||
198 | return(-1); | ||
199 | } | ||
200 | if ( ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS) < 0 ) { | ||
201 | GS_CloseKeyboard(this); | ||
202 | SDL_SetError("Unable to set keyboard in graphics mode"); | ||
203 | return(-1); | ||
204 | } | ||
205 | } | ||
206 | return(keyboard_fd); | ||
207 | } | ||
208 | |||
209 | void GS_LeaveGraphicsMode(_THIS) | ||
210 | { | ||
211 | if ( GS_InGraphicsMode(this) ) { | ||
212 | ioctl(keyboard_fd, KDSETMODE, KD_TEXT); | ||
213 | ioctl(keyboard_fd, KDSKBMODE, saved_kbd_mode); | ||
214 | tcsetattr(keyboard_fd, TCSAFLUSH, &saved_kbd_termios); | ||
215 | saved_kbd_mode = -1; | ||
216 | |||
217 | /* Head back over to the original virtual terminal */ | ||
218 | if ( saved_vt > 0 ) { | ||
219 | ioctl(keyboard_fd, VT_ACTIVATE, saved_vt); | ||
220 | } | ||
221 | } | ||
222 | } | ||
223 | |||
224 | void GS_CloseKeyboard(_THIS) | ||
225 | { | ||
226 | if ( keyboard_fd >= 0 ) { | ||
227 | GS_LeaveGraphicsMode(this); | ||
228 | if ( keyboard_fd > 0 ) { | ||
229 | close(keyboard_fd); | ||
230 | } | ||
231 | } | ||
232 | keyboard_fd = -1; | ||
233 | } | ||
234 | |||
235 | int GS_OpenKeyboard(_THIS) | ||
236 | { | ||
237 | /* Open only if not already opened */ | ||
238 | if ( keyboard_fd < 0 ) { | ||
239 | char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL }; | ||
240 | char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL }; | ||
241 | int i, tty0_fd; | ||
242 | |||
243 | /* Try to query for a free virtual terminal */ | ||
244 | tty0_fd = -1; | ||
245 | for ( i=0; tty0[i] && (tty0_fd < 0); ++i ) { | ||
246 | tty0_fd = open(tty0[i], O_WRONLY, 0); | ||
247 | } | ||
248 | if ( tty0_fd < 0 ) { | ||
249 | tty0_fd = dup(0); /* Maybe stdin is a VT? */ | ||
250 | } | ||
251 | ioctl(tty0_fd, VT_OPENQRY, ¤t_vt); | ||
252 | close(tty0_fd); | ||
253 | if ( (geteuid() == 0) && (current_vt > 0) ) { | ||
254 | for ( i=0; vcs[i] && (keyboard_fd < 0); ++i ) { | ||
255 | char vtpath[12]; | ||
256 | |||
257 | SDL_snprintf(vtpath, SDL_arraysize(vtpath), vcs[i], current_vt); | ||
258 | keyboard_fd = open(vtpath, O_RDWR, 0); | ||
259 | #ifdef DEBUG_KEYBOARD | ||
260 | fprintf(stderr, "vtpath = %s, fd = %d\n", | ||
261 | vtpath, keyboard_fd); | ||
262 | #endif /* DEBUG_KEYBOARD */ | ||
263 | |||
264 | /* This needs to be our controlling tty | ||
265 | so that the kernel ioctl() calls work | ||
266 | */ | ||
267 | if ( keyboard_fd >= 0 ) { | ||
268 | tty0_fd = open("/dev/tty", O_RDWR, 0); | ||
269 | if ( tty0_fd >= 0 ) { | ||
270 | ioctl(tty0_fd, TIOCNOTTY, 0); | ||
271 | close(tty0_fd); | ||
272 | } | ||
273 | } | ||
274 | } | ||
275 | } | ||
276 | if ( keyboard_fd < 0 ) { | ||
277 | /* Last resort, maybe our tty is a usable VT */ | ||
278 | current_vt = 0; | ||
279 | keyboard_fd = open("/dev/tty", O_RDWR); | ||
280 | } | ||
281 | #ifdef DEBUG_KEYBOARD | ||
282 | fprintf(stderr, "Current VT: %d\n", current_vt); | ||
283 | #endif | ||
284 | saved_kbd_mode = -1; | ||
285 | |||
286 | /* Make sure that our input is a console terminal */ | ||
287 | { int dummy; | ||
288 | if ( ioctl(keyboard_fd, KDGKBMODE, &dummy) < 0 ) { | ||
289 | close(keyboard_fd); | ||
290 | keyboard_fd = -1; | ||
291 | SDL_SetError("Unable to open a console terminal"); | ||
292 | } | ||
293 | } | ||
294 | |||
295 | /* Set up keymap */ | ||
296 | GS_vgainitkeymaps(keyboard_fd); | ||
297 | } | ||
298 | return(keyboard_fd); | ||
299 | } | ||
300 | |||
301 | static enum { | ||
302 | MOUSE_NONE = -1, | ||
303 | MOUSE_GPM, /* Note: GPM uses the MSC protocol */ | ||
304 | MOUSE_PS2, | ||
305 | MOUSE_IMPS2, | ||
306 | MOUSE_MS, | ||
307 | MOUSE_BM, | ||
308 | NUM_MOUSE_DRVS | ||
309 | } mouse_drv = MOUSE_NONE; | ||
310 | |||
311 | void GS_CloseMouse(_THIS) | ||
312 | { | ||
313 | if ( mouse_fd > 0 ) { | ||
314 | close(mouse_fd); | ||
315 | } | ||
316 | mouse_fd = -1; | ||
317 | } | ||
318 | |||
319 | /* Returns processes listed in /proc with the desired name */ | ||
320 | static int find_pid(DIR *proc, const char *wanted_name) | ||
321 | { | ||
322 | struct dirent *entry; | ||
323 | int pid; | ||
324 | |||
325 | /* First scan proc for the gpm process */ | ||
326 | pid = 0; | ||
327 | while ( (pid == 0) && ((entry=readdir(proc)) != NULL) ) { | ||
328 | if ( isdigit(entry->d_name[0]) ) { | ||
329 | FILE *status; | ||
330 | char path[PATH_MAX]; | ||
331 | char name[PATH_MAX]; | ||
332 | |||
333 | SDL_snprintf(path, SDL_arraysize(path), "/proc/%s/status", entry->d_name); | ||
334 | status=fopen(path, "r"); | ||
335 | if ( status ) { | ||
336 | name[0] = '\0'; | ||
337 | fscanf(status, "Name: %s", name); | ||
338 | if ( SDL_strcmp(name, wanted_name) == 0 ) { | ||
339 | pid = atoi(entry->d_name); | ||
340 | } | ||
341 | fclose(status); | ||
342 | } | ||
343 | } | ||
344 | } | ||
345 | return pid; | ||
346 | } | ||
347 | |||
348 | /* Returns true if /dev/gpmdata is being written to by gpm */ | ||
349 | static int gpm_available(void) | ||
350 | { | ||
351 | int available; | ||
352 | DIR *proc; | ||
353 | int pid; | ||
354 | int cmdline, len, arglen; | ||
355 | char path[PATH_MAX]; | ||
356 | char args[PATH_MAX], *arg; | ||
357 | |||
358 | /* Don't bother looking if the fifo isn't there */ | ||
359 | if ( access(GPM_NODE_FIFO, F_OK) < 0 ) { | ||
360 | return(0); | ||
361 | } | ||
362 | |||
363 | available = 0; | ||
364 | proc = opendir("/proc"); | ||
365 | if ( proc ) { | ||
366 | while ( (pid=find_pid(proc, "gpm")) > 0 ) { | ||
367 | SDL_snprintf(path, SDL_arraysize(path), "/proc/%d/cmdline", pid); | ||
368 | cmdline = open(path, O_RDONLY, 0); | ||
369 | if ( cmdline >= 0 ) { | ||
370 | len = read(cmdline, args, sizeof(args)); | ||
371 | arg = args; | ||
372 | while ( len > 0 ) { | ||
373 | if ( SDL_strcmp(arg, "-R") == 0 ) { | ||
374 | available = 1; | ||
375 | } | ||
376 | arglen = SDL_strlen(arg)+1; | ||
377 | len -= arglen; | ||
378 | arg += arglen; | ||
379 | } | ||
380 | close(cmdline); | ||
381 | } | ||
382 | } | ||
383 | closedir(proc); | ||
384 | } | ||
385 | return available; | ||
386 | } | ||
387 | |||
388 | |||
389 | /* rcg06112001 Set up IMPS/2 mode, if possible. This gives | ||
390 | * us access to the mousewheel, etc. Returns zero if | ||
391 | * writes to device failed, but you still need to query the | ||
392 | * device to see which mode it's actually in. | ||
393 | */ | ||
394 | static int set_imps2_mode(int fd) | ||
395 | { | ||
396 | /* If you wanted to control the mouse mode (and we do :) ) ... | ||
397 | Set IMPS/2 protocol: | ||
398 | {0xf3,200,0xf3,100,0xf3,80} | ||
399 | Reset mouse device: | ||
400 | {0xFF} | ||
401 | */ | ||
402 | Uint8 set_imps2[] = {0xf3, 200, 0xf3, 100, 0xf3, 80}; | ||
403 | Uint8 reset = 0xff; | ||
404 | fd_set fdset; | ||
405 | struct timeval tv; | ||
406 | int retval = 0; | ||
407 | |||
408 | if ( write(fd, &set_imps2, sizeof(set_imps2)) == sizeof(set_imps2) ) { | ||
409 | if (write(fd, &reset, sizeof (reset)) == sizeof (reset) ) { | ||
410 | retval = 1; | ||
411 | } | ||
412 | } | ||
413 | |||
414 | /* Get rid of any chatter from the above */ | ||
415 | FD_ZERO(&fdset); | ||
416 | FD_SET(fd, &fdset); | ||
417 | tv.tv_sec = 0; | ||
418 | tv.tv_usec = 0; | ||
419 | while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) { | ||
420 | char temp[32]; | ||
421 | read(fd, temp, sizeof(temp)); | ||
422 | } | ||
423 | |||
424 | return retval; | ||
425 | } | ||
426 | |||
427 | |||
428 | /* Returns true if the mouse uses the IMPS/2 protocol */ | ||
429 | static int detect_imps2(int fd) | ||
430 | { | ||
431 | int imps2; | ||
432 | |||
433 | imps2 = 0; | ||
434 | |||
435 | if ( SDL_getenv("SDL_MOUSEDEV_IMPS2") ) { | ||
436 | imps2 = 1; | ||
437 | } | ||
438 | if ( ! imps2 ) { | ||
439 | Uint8 query_ps2 = 0xF2; | ||
440 | fd_set fdset; | ||
441 | struct timeval tv; | ||
442 | |||
443 | /* Get rid of any mouse motion noise */ | ||
444 | FD_ZERO(&fdset); | ||
445 | FD_SET(fd, &fdset); | ||
446 | tv.tv_sec = 0; | ||
447 | tv.tv_usec = 0; | ||
448 | while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) { | ||
449 | char temp[32]; | ||
450 | read(fd, temp, sizeof(temp)); | ||
451 | } | ||
452 | |||
453 | /* Query for the type of mouse protocol */ | ||
454 | if ( write(fd, &query_ps2, sizeof (query_ps2)) == sizeof (query_ps2)) { | ||
455 | Uint8 ch = 0; | ||
456 | |||
457 | /* Get the mouse protocol response */ | ||
458 | do { | ||
459 | FD_ZERO(&fdset); | ||
460 | FD_SET(fd, &fdset); | ||
461 | tv.tv_sec = 1; | ||
462 | tv.tv_usec = 0; | ||
463 | if ( select(fd+1, &fdset, 0, 0, &tv) < 1 ) { | ||
464 | break; | ||
465 | } | ||
466 | } while ( (read(fd, &ch, sizeof (ch)) == sizeof (ch)) && | ||
467 | ((ch == 0xFA) || (ch == 0xAA)) ); | ||
468 | |||
469 | /* Experimental values (Logitech wheelmouse) */ | ||
470 | #ifdef DEBUG_MOUSE | ||
471 | fprintf(stderr, "Last mouse mode: 0x%x\n", ch); | ||
472 | #endif | ||
473 | if ( ch == 3 ) { | ||
474 | imps2 = 1; | ||
475 | } | ||
476 | } | ||
477 | } | ||
478 | return imps2; | ||
479 | } | ||
480 | |||
481 | int GS_OpenMouse(_THIS) | ||
482 | { | ||
483 | int i; | ||
484 | const char *mousedev; | ||
485 | const char *mousedrv; | ||
486 | |||
487 | mousedrv = SDL_getenv("SDL_MOUSEDRV"); | ||
488 | mousedev = SDL_getenv("SDL_MOUSEDEV"); | ||
489 | mouse_fd = -1; | ||
490 | |||
491 | /* STD MICE */ | ||
492 | |||
493 | if ( mousedev == NULL ) { | ||
494 | /* FIXME someday... allow multiple mice in this driver */ | ||
495 | char *ps2mice[] = { | ||
496 | "/dev/input/mice", "/dev/usbmouse", "/dev/psaux", NULL | ||
497 | }; | ||
498 | /* First try to use GPM in repeater mode */ | ||
499 | if ( mouse_fd < 0 ) { | ||
500 | if ( gpm_available() ) { | ||
501 | mouse_fd = open(GPM_NODE_FIFO, O_RDONLY, 0); | ||
502 | if ( mouse_fd >= 0 ) { | ||
503 | #ifdef DEBUG_MOUSE | ||
504 | fprintf(stderr, "Using GPM mouse\n"); | ||
505 | #endif | ||
506 | mouse_drv = MOUSE_GPM; | ||
507 | } | ||
508 | } | ||
509 | } | ||
510 | /* Now try to use a modern PS/2 mouse */ | ||
511 | for ( i=0; (mouse_fd < 0) && ps2mice[i]; ++i ) { | ||
512 | mouse_fd = open(ps2mice[i], O_RDWR, 0); | ||
513 | if (mouse_fd < 0) { | ||
514 | mouse_fd = open(ps2mice[i], O_RDONLY, 0); | ||
515 | } | ||
516 | if (mouse_fd >= 0) { | ||
517 | /* rcg06112001 Attempt to set IMPS/2 mode */ | ||
518 | if ( i == 0 ) { | ||
519 | set_imps2_mode(mouse_fd); | ||
520 | } | ||
521 | if (detect_imps2(mouse_fd)) { | ||
522 | #ifdef DEBUG_MOUSE | ||
523 | fprintf(stderr, "Using IMPS2 mouse\n"); | ||
524 | #endif | ||
525 | mouse_drv = MOUSE_IMPS2; | ||
526 | } else { | ||
527 | mouse_drv = MOUSE_PS2; | ||
528 | #ifdef DEBUG_MOUSE | ||
529 | fprintf(stderr, "Using PS2 mouse\n"); | ||
530 | #endif | ||
531 | } | ||
532 | } | ||
533 | } | ||
534 | /* Next try to use a PPC ADB port mouse */ | ||
535 | if ( mouse_fd < 0 ) { | ||
536 | mouse_fd = open("/dev/adbmouse", O_RDONLY, 0); | ||
537 | if ( mouse_fd >= 0 ) { | ||
538 | #ifdef DEBUG_MOUSE | ||
539 | fprintf(stderr, "Using ADB mouse\n"); | ||
540 | #endif | ||
541 | mouse_drv = MOUSE_BM; | ||
542 | } | ||
543 | } | ||
544 | } | ||
545 | /* Default to a serial Microsoft mouse */ | ||
546 | if ( mouse_fd < 0 ) { | ||
547 | if ( mousedev == NULL ) { | ||
548 | mousedev = "/dev/mouse"; | ||
549 | } | ||
550 | mouse_fd = open(mousedev, O_RDONLY, 0); | ||
551 | if ( mouse_fd >= 0 ) { | ||
552 | struct termios mouse_termios; | ||
553 | |||
554 | /* Set the sampling speed to 1200 baud */ | ||
555 | tcgetattr(mouse_fd, &mouse_termios); | ||
556 | mouse_termios.c_iflag = IGNBRK | IGNPAR; | ||
557 | mouse_termios.c_oflag = 0; | ||
558 | mouse_termios.c_lflag = 0; | ||
559 | mouse_termios.c_line = 0; | ||
560 | mouse_termios.c_cc[VTIME] = 0; | ||
561 | mouse_termios.c_cc[VMIN] = 1; | ||
562 | mouse_termios.c_cflag = CREAD | CLOCAL | HUPCL; | ||
563 | mouse_termios.c_cflag |= CS8; | ||
564 | mouse_termios.c_cflag |= B1200; | ||
565 | tcsetattr(mouse_fd, TCSAFLUSH, &mouse_termios); | ||
566 | #ifdef DEBUG_MOUSE | ||
567 | fprintf(stderr, "Using Microsoft mouse on %s\n", mousedev); | ||
568 | #endif | ||
569 | mouse_drv = MOUSE_MS; | ||
570 | } | ||
571 | } | ||
572 | if ( mouse_fd < 0 ) { | ||
573 | mouse_drv = MOUSE_NONE; | ||
574 | } | ||
575 | return(mouse_fd); | ||
576 | } | ||
577 | |||
578 | static int posted = 0; | ||
579 | |||
580 | void GS_vgamousecallback(int button, int dx, int dy) | ||
581 | { | ||
582 | int button_1, button_3; | ||
583 | int button_state; | ||
584 | int state_changed; | ||
585 | int i; | ||
586 | Uint8 state; | ||
587 | |||
588 | if ( dx || dy ) { | ||
589 | posted += SDL_PrivateMouseMotion(0, 1, dx, dy); | ||
590 | } | ||
591 | |||
592 | /* Swap button 1 and 3 */ | ||
593 | button_1 = (button & 0x04) >> 2; | ||
594 | button_3 = (button & 0x01) << 2; | ||
595 | button &= ~0x05; | ||
596 | button |= (button_1|button_3); | ||
597 | |||
598 | /* See what changed */ | ||
599 | button_state = SDL_GetMouseState(NULL, NULL); | ||
600 | state_changed = button_state ^ button; | ||
601 | for ( i=0; i<8; ++i ) { | ||
602 | if ( state_changed & (1<<i) ) { | ||
603 | if ( button & (1<<i) ) { | ||
604 | state = SDL_PRESSED; | ||
605 | } else { | ||
606 | state = SDL_RELEASED; | ||
607 | } | ||
608 | posted += SDL_PrivateMouseButton(state, i+1, 0, 0); | ||
609 | } | ||
610 | } | ||
611 | } | ||
612 | |||
613 | /* For now, use GPM, PS/2, and MS protocols | ||
614 | Driver adapted from the SVGAlib mouse driver code (taken from gpm, etc.) | ||
615 | */ | ||
616 | static void handle_mouse(_THIS) | ||
617 | { | ||
618 | static int start = 0; | ||
619 | static unsigned char mousebuf[BUFSIZ]; | ||
620 | int i, nread; | ||
621 | int button = 0; | ||
622 | int dx = 0, dy = 0; | ||
623 | int packetsize = 0; | ||
624 | |||
625 | /* Figure out the mouse packet size */ | ||
626 | switch (mouse_drv) { | ||
627 | case MOUSE_NONE: | ||
628 | /* Ack! */ | ||
629 | read(mouse_fd, mousebuf, BUFSIZ); | ||
630 | return; | ||
631 | case MOUSE_GPM: | ||
632 | packetsize = 5; | ||
633 | break; | ||
634 | case MOUSE_IMPS2: | ||
635 | packetsize = 4; | ||
636 | break; | ||
637 | case MOUSE_PS2: | ||
638 | case MOUSE_MS: | ||
639 | case MOUSE_BM: | ||
640 | packetsize = 3; | ||
641 | break; | ||
642 | case NUM_MOUSE_DRVS: | ||
643 | /* Uh oh.. */ | ||
644 | packetsize = 0; | ||
645 | break; | ||
646 | } | ||
647 | |||
648 | /* Read as many packets as possible */ | ||
649 | nread = read(mouse_fd, &mousebuf[start], BUFSIZ-start); | ||
650 | if ( nread < 0 ) { | ||
651 | return; | ||
652 | } | ||
653 | nread += start; | ||
654 | #ifdef DEBUG_MOUSE | ||
655 | fprintf(stderr, "Read %d bytes from mouse, start = %d\n", nread, start); | ||
656 | #endif | ||
657 | for ( i=0; i<(nread-(packetsize-1)); i += packetsize ) { | ||
658 | switch (mouse_drv) { | ||
659 | case MOUSE_NONE: | ||
660 | break; | ||
661 | case MOUSE_GPM: | ||
662 | /* GPM protocol has 0x80 in high byte */ | ||
663 | if ( (mousebuf[i] & 0xF8) != 0x80 ) { | ||
664 | /* Go to next byte */ | ||
665 | i -= (packetsize-1); | ||
666 | continue; | ||
667 | } | ||
668 | /* Get current mouse state */ | ||
669 | button = (~mousebuf[i]) & 0x07; | ||
670 | dx = (signed char)(mousebuf[i+1]) + | ||
671 | (signed char)(mousebuf[i+3]); | ||
672 | dy = -((signed char)(mousebuf[i+2]) + | ||
673 | (signed char)(mousebuf[i+4])); | ||
674 | break; | ||
675 | case MOUSE_PS2: | ||
676 | /* PS/2 protocol has nothing in high byte */ | ||
677 | if ( (mousebuf[i] & 0xC0) != 0 ) { | ||
678 | /* Go to next byte */ | ||
679 | i -= (packetsize-1); | ||
680 | continue; | ||
681 | } | ||
682 | /* Get current mouse state */ | ||
683 | button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/ | ||
684 | (mousebuf[i] & 0x02) >> 1 | /*Right*/ | ||
685 | (mousebuf[i] & 0x01) << 2; /*Left*/ | ||
686 | dx = (mousebuf[i] & 0x10) ? | ||
687 | mousebuf[i+1] - 256 : mousebuf[i+1]; | ||
688 | dy = (mousebuf[i] & 0x20) ? | ||
689 | -(mousebuf[i+2] - 256) : -mousebuf[i+2]; | ||
690 | break; | ||
691 | case MOUSE_IMPS2: | ||
692 | /* Get current mouse state */ | ||
693 | button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/ | ||
694 | (mousebuf[i] & 0x02) >> 1 | /*Right*/ | ||
695 | (mousebuf[i] & 0x01) << 2 | /*Left*/ | ||
696 | (mousebuf[i] & 0x40) >> 3 | /* 4 */ | ||
697 | (mousebuf[i] & 0x80) >> 3; /* 5 */ | ||
698 | dx = (mousebuf[i] & 0x10) ? | ||
699 | mousebuf[i+1] - 256 : mousebuf[i+1]; | ||
700 | dy = (mousebuf[i] & 0x20) ? | ||
701 | -(mousebuf[i+2] - 256) : -mousebuf[i+2]; | ||
702 | switch (mousebuf[i+3]&0x0F) { | ||
703 | case 0x0E: /* DX = +1 */ | ||
704 | case 0x02: /* DX = -1 */ | ||
705 | break; | ||
706 | case 0x0F: /* DY = +1 (map button 4) */ | ||
707 | FB_vgamousecallback(button | (1<<3), | ||
708 | 1, 0, 0); | ||
709 | break; | ||
710 | case 0x01: /* DY = -1 (map button 5) */ | ||
711 | FB_vgamousecallback(button | (1<<4), | ||
712 | 1, 0, 0); | ||
713 | break; | ||
714 | } | ||
715 | break; | ||
716 | case MOUSE_MS: | ||
717 | /* Microsoft protocol has 0x40 in high byte */ | ||
718 | if ( (mousebuf[i] & 0x40) != 0x40 ) { | ||
719 | /* Go to next byte */ | ||
720 | i -= (packetsize-1); | ||
721 | continue; | ||
722 | } | ||
723 | /* Get current mouse state */ | ||
724 | button = ((mousebuf[i] & 0x20) >> 3) | | ||
725 | ((mousebuf[i] & 0x10) >> 4); | ||
726 | dx = (signed char)(((mousebuf[i] & 0x03) << 6) | | ||
727 | (mousebuf[i + 1] & 0x3F)); | ||
728 | dy = (signed char)(((mousebuf[i] & 0x0C) << 4) | | ||
729 | (mousebuf[i + 2] & 0x3F)); | ||
730 | break; | ||
731 | case MOUSE_BM: | ||
732 | /* BusMouse protocol has 0xF8 in high byte */ | ||
733 | if ( (mousebuf[i] & 0xF8) != 0x80 ) { | ||
734 | /* Go to next byte */ | ||
735 | i -= (packetsize-1); | ||
736 | continue; | ||
737 | } | ||
738 | /* Get current mouse state */ | ||
739 | button = (~mousebuf[i]) & 0x07; | ||
740 | dx = (signed char)mousebuf[i+1]; | ||
741 | dy = -(signed char)mousebuf[i+2]; | ||
742 | break; | ||
743 | case NUM_MOUSE_DRVS: | ||
744 | /* Uh oh.. */ | ||
745 | dx = 0; | ||
746 | dy = 0; | ||
747 | break; | ||
748 | } | ||
749 | GS_vgamousecallback(button, dx, dy); | ||
750 | } | ||
751 | if ( i < nread ) { | ||
752 | SDL_memcpy(mousebuf, &mousebuf[i], (nread-i)); | ||
753 | start = (nread-i); | ||
754 | } else { | ||
755 | start = 0; | ||
756 | } | ||
757 | return; | ||
758 | } | ||
759 | |||
760 | static void handle_keyboard(_THIS) | ||
761 | { | ||
762 | unsigned char keybuf[BUFSIZ]; | ||
763 | int i, nread; | ||
764 | int pressed; | ||
765 | int scancode; | ||
766 | SDL_keysym keysym; | ||
767 | |||
768 | nread = read(keyboard_fd, keybuf, BUFSIZ); | ||
769 | for ( i=0; i<nread; ++i ) { | ||
770 | scancode = keybuf[i] & 0x7F; | ||
771 | if ( keybuf[i] & 0x80 ) { | ||
772 | pressed = SDL_RELEASED; | ||
773 | } else { | ||
774 | pressed = SDL_PRESSED; | ||
775 | } | ||
776 | TranslateKey(scancode, &keysym); | ||
777 | posted += SDL_PrivateKeyboard(pressed, &keysym); | ||
778 | } | ||
779 | } | ||
780 | |||
781 | void GS_PumpEvents(_THIS) | ||
782 | { | ||
783 | fd_set fdset; | ||
784 | int max_fd; | ||
785 | static struct timeval zero; | ||
786 | |||
787 | do { | ||
788 | posted = 0; | ||
789 | |||
790 | FD_ZERO(&fdset); | ||
791 | max_fd = 0; | ||
792 | if ( keyboard_fd >= 0 ) { | ||
793 | FD_SET(keyboard_fd, &fdset); | ||
794 | if ( max_fd < keyboard_fd ) { | ||
795 | max_fd = keyboard_fd; | ||
796 | } | ||
797 | } | ||
798 | if ( mouse_fd >= 0 ) { | ||
799 | FD_SET(mouse_fd, &fdset); | ||
800 | if ( max_fd < mouse_fd ) { | ||
801 | max_fd = mouse_fd; | ||
802 | } | ||
803 | } | ||
804 | if ( select(max_fd+1, &fdset, NULL, NULL, &zero) > 0 ) { | ||
805 | if ( keyboard_fd >= 0 ) { | ||
806 | if ( FD_ISSET(keyboard_fd, &fdset) ) { | ||
807 | handle_keyboard(this); | ||
808 | } | ||
809 | } | ||
810 | if ( mouse_fd >= 0 ) { | ||
811 | if ( FD_ISSET(mouse_fd, &fdset) ) { | ||
812 | handle_mouse(this); | ||
813 | } | ||
814 | } | ||
815 | } | ||
816 | } while ( posted ); | ||
817 | } | ||
818 | |||
819 | void GS_InitOSKeymap(_THIS) | ||
820 | { | ||
821 | int i; | ||
822 | |||
823 | /* Initialize the Linux key translation table */ | ||
824 | |||
825 | /* First get the ascii keys and others not well handled */ | ||
826 | for (i=0; i<SDL_arraysize(keymap); ++i) { | ||
827 | switch(i) { | ||
828 | /* These aren't handled by the x86 kernel keymapping (?) */ | ||
829 | case SCANCODE_PRINTSCREEN: | ||
830 | keymap[i] = SDLK_PRINT; | ||
831 | break; | ||
832 | case SCANCODE_BREAK: | ||
833 | keymap[i] = SDLK_BREAK; | ||
834 | break; | ||
835 | case SCANCODE_BREAK_ALTERNATIVE: | ||
836 | keymap[i] = SDLK_PAUSE; | ||
837 | break; | ||
838 | case SCANCODE_LEFTSHIFT: | ||
839 | keymap[i] = SDLK_LSHIFT; | ||
840 | break; | ||
841 | case SCANCODE_RIGHTSHIFT: | ||
842 | keymap[i] = SDLK_RSHIFT; | ||
843 | break; | ||
844 | case SCANCODE_LEFTCONTROL: | ||
845 | keymap[i] = SDLK_LCTRL; | ||
846 | break; | ||
847 | case SCANCODE_RIGHTCONTROL: | ||
848 | keymap[i] = SDLK_RCTRL; | ||
849 | break; | ||
850 | case SCANCODE_RIGHTWIN: | ||
851 | keymap[i] = SDLK_RSUPER; | ||
852 | break; | ||
853 | case SCANCODE_LEFTWIN: | ||
854 | keymap[i] = SDLK_LSUPER; | ||
855 | break; | ||
856 | case 127: | ||
857 | keymap[i] = SDLK_MENU; | ||
858 | break; | ||
859 | /* this should take care of all standard ascii keys */ | ||
860 | default: | ||
861 | keymap[i] = KVAL(vga_keymap[0][i]); | ||
862 | break; | ||
863 | } | ||
864 | } | ||
865 | for (i=0; i<SDL_arraysize(keymap); ++i) { | ||
866 | switch(keymap_temp[i]) { | ||
867 | case K_F1: keymap[i] = SDLK_F1; break; | ||
868 | case K_F2: keymap[i] = SDLK_F2; break; | ||
869 | case K_F3: keymap[i] = SDLK_F3; break; | ||
870 | case K_F4: keymap[i] = SDLK_F4; break; | ||
871 | case K_F5: keymap[i] = SDLK_F5; break; | ||
872 | case K_F6: keymap[i] = SDLK_F6; break; | ||
873 | case K_F7: keymap[i] = SDLK_F7; break; | ||
874 | case K_F8: keymap[i] = SDLK_F8; break; | ||
875 | case K_F9: keymap[i] = SDLK_F9; break; | ||
876 | case K_F10: keymap[i] = SDLK_F10; break; | ||
877 | case K_F11: keymap[i] = SDLK_F11; break; | ||
878 | case K_F12: keymap[i] = SDLK_F12; break; | ||
879 | |||
880 | case K_DOWN: keymap[i] = SDLK_DOWN; break; | ||
881 | case K_LEFT: keymap[i] = SDLK_LEFT; break; | ||
882 | case K_RIGHT: keymap[i] = SDLK_RIGHT; break; | ||
883 | case K_UP: keymap[i] = SDLK_UP; break; | ||
884 | |||
885 | case K_P0: keymap[i] = SDLK_KP0; break; | ||
886 | case K_P1: keymap[i] = SDLK_KP1; break; | ||
887 | case K_P2: keymap[i] = SDLK_KP2; break; | ||
888 | case K_P3: keymap[i] = SDLK_KP3; break; | ||
889 | case K_P4: keymap[i] = SDLK_KP4; break; | ||
890 | case K_P5: keymap[i] = SDLK_KP5; break; | ||
891 | case K_P6: keymap[i] = SDLK_KP6; break; | ||
892 | case K_P7: keymap[i] = SDLK_KP7; break; | ||
893 | case K_P8: keymap[i] = SDLK_KP8; break; | ||
894 | case K_P9: keymap[i] = SDLK_KP9; break; | ||
895 | case K_PPLUS: keymap[i] = SDLK_KP_PLUS; break; | ||
896 | case K_PMINUS: keymap[i] = SDLK_KP_MINUS; break; | ||
897 | case K_PSTAR: keymap[i] = SDLK_KP_MULTIPLY; break; | ||
898 | case K_PSLASH: keymap[i] = SDLK_KP_DIVIDE; break; | ||
899 | case K_PENTER: keymap[i] = SDLK_KP_ENTER; break; | ||
900 | case K_PDOT: keymap[i] = SDLK_KP_PERIOD; break; | ||
901 | |||
902 | case K_SHIFT: if ( keymap[i] != SDLK_RSHIFT ) | ||
903 | keymap[i] = SDLK_LSHIFT; | ||
904 | break; | ||
905 | case K_SHIFTL: keymap[i] = SDLK_LSHIFT; break; | ||
906 | case K_SHIFTR: keymap[i] = SDLK_RSHIFT; break; | ||
907 | case K_CTRL: if ( keymap[i] != SDLK_RCTRL ) | ||
908 | keymap[i] = SDLK_LCTRL; | ||
909 | break; | ||
910 | case K_CTRLL: keymap[i] = SDLK_LCTRL; break; | ||
911 | case K_CTRLR: keymap[i] = SDLK_RCTRL; break; | ||
912 | case K_ALT: keymap[i] = SDLK_LALT; break; | ||
913 | case K_ALTGR: keymap[i] = SDLK_RALT; break; | ||
914 | |||
915 | case K_INSERT: keymap[i] = SDLK_INSERT; break; | ||
916 | case K_REMOVE: keymap[i] = SDLK_DELETE; break; | ||
917 | case K_PGUP: keymap[i] = SDLK_PAGEUP; break; | ||
918 | case K_PGDN: keymap[i] = SDLK_PAGEDOWN; break; | ||
919 | case K_FIND: keymap[i] = SDLK_HOME; break; | ||
920 | case K_SELECT: keymap[i] = SDLK_END; break; | ||
921 | |||
922 | case K_NUM: keymap[i] = SDLK_NUMLOCK; break; | ||
923 | case K_CAPS: keymap[i] = SDLK_CAPSLOCK; break; | ||
924 | |||
925 | case K_F13: keymap[i] = SDLK_PRINT; break; | ||
926 | case K_HOLD: keymap[i] = SDLK_SCROLLOCK; break; | ||
927 | case K_PAUSE: keymap[i] = SDLK_PAUSE; break; | ||
928 | |||
929 | case 127: keymap[i] = SDLK_BACKSPACE; break; | ||
930 | |||
931 | default: break; | ||
932 | } | ||
933 | } | ||
934 | } | ||
935 | |||
936 | static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym) | ||
937 | { | ||
938 | /* Set the keysym information */ | ||
939 | keysym->scancode = scancode; | ||
940 | keysym->sym = keymap[scancode]; | ||
941 | keysym->mod = KMOD_NONE; | ||
942 | |||
943 | /* If UNICODE is on, get the UNICODE value for the key */ | ||
944 | keysym->unicode = 0; | ||
945 | if ( SDL_TranslateUNICODE ) { | ||
946 | int map; | ||
947 | SDLMod modstate; | ||
948 | |||
949 | modstate = SDL_GetModState(); | ||
950 | map = 0; | ||
951 | if ( modstate & KMOD_SHIFT ) { | ||
952 | map |= (1<<KG_SHIFT); | ||
953 | } | ||
954 | if ( modstate & KMOD_CTRL ) { | ||
955 | map |= (1<<KG_CTRL); | ||
956 | } | ||
957 | if ( modstate & KMOD_ALT ) { | ||
958 | map |= (1<<KG_ALT); | ||
959 | } | ||
960 | if ( modstate & KMOD_MODE ) { | ||
961 | map |= (1<<KG_ALTGR); | ||
962 | } | ||
963 | if ( KTYP(vga_keymap[map][scancode]) == KT_LETTER ) { | ||
964 | if ( modstate & KMOD_CAPS ) { | ||
965 | map ^= (1<<KG_SHIFT); | ||
966 | } | ||
967 | } | ||
968 | if ( KTYP(vga_keymap[map][scancode]) == KT_PAD ) { | ||
969 | if ( modstate & KMOD_NUM ) { | ||
970 | keysym->unicode=KVAL(vga_keymap[map][scancode]); | ||
971 | } | ||
972 | } else { | ||
973 | keysym->unicode = KVAL(vga_keymap[map][scancode]); | ||
974 | } | ||
975 | } | ||
976 | return(keysym); | ||
977 | } | ||