| 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 | } |
notaz.gp2x.de / sdl_omap.git / blame