Mercurial > sdl-ios-xcode
annotate src/video/fbcon/SDL_fbevents.c @ 14:c3e9d4a623c1
Fixed stuck keys when changing the video mode
| author | Sam Lantinga <slouken@lokigames.com> |
|---|---|
| date | Tue, 01 May 2001 21:12:57 +0000 |
| parents | 4f6c5f021323 |
| children | b685c94f8db7 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga | |
| 4 | |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 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 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
| 20 slouken@devolution.com | |
| 21 */ | |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* Handle the event stream, converting console events into SDL events */ | |
| 29 | |
| 30 #include <sys/types.h> | |
| 31 #include <sys/time.h> | |
| 32 #include <sys/ioctl.h> | |
| 33 #include <stdlib.h> | |
| 34 #include <stdio.h> | |
| 35 #include <unistd.h> | |
| 36 #include <fcntl.h> | |
| 37 #include <string.h> | |
| 38 #include <errno.h> | |
| 39 #include <limits.h> | |
| 40 | |
| 41 /* For parsing /proc */ | |
| 42 #include <dirent.h> | |
| 43 #include <ctype.h> | |
| 44 | |
| 45 #include <linux/vt.h> | |
| 46 #include <linux/kd.h> | |
| 47 #include <linux/keyboard.h> | |
| 48 | |
| 49 #include "SDL.h" | |
| 50 #include "SDL_mutex.h" | |
| 51 #include "SDL_sysevents.h" | |
| 52 #include "SDL_sysvideo.h" | |
| 53 #include "SDL_events_c.h" | |
| 54 #include "SDL_fbvideo.h" | |
| 55 #include "SDL_fbevents_c.h" | |
| 56 #include "SDL_fbkeys.h" | |
| 57 | |
| 58 #include "SDL_fbelo.h" | |
| 59 | |
| 60 #ifndef GPM_NODE_FIFO | |
| 61 #define GPM_NODE_FIFO "/dev/gpmdata" | |
| 62 #endif | |
| 63 | |
| 64 | |
| 65 /* The translation tables from a console scancode to a SDL keysym */ | |
| 66 #define NUM_VGAKEYMAPS (1<<KG_CAPSSHIFT) | |
| 67 static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS]; | |
| 68 static SDLKey keymap[128]; | |
| 69 static Uint16 keymap_temp[128]; /* only used at startup */ | |
| 70 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym); | |
| 71 | |
| 72 /* Ugh, we have to duplicate the kernel's keysym mapping code... | |
| 73 Oh, it's not so bad. :-) | |
| 74 | |
| 75 FIXME: Add keyboard LED handling code | |
| 76 */ | |
| 77 static void FB_vgainitkeymaps(int fd) | |
| 78 { | |
| 79 struct kbentry entry; | |
| 80 int map, i; | |
| 81 | |
| 82 /* Don't do anything if we are passed a closed keyboard */ | |
| 83 if ( fd < 0 ) { | |
| 84 return; | |
| 85 } | |
| 86 | |
| 87 /* Load all the keysym mappings */ | |
| 88 for ( map=0; map<NUM_VGAKEYMAPS; ++map ) { | |
| 89 memset(vga_keymap[map], 0, NR_KEYS*sizeof(Uint16)); | |
| 90 for ( i=0; i<NR_KEYS; ++i ) { | |
| 91 entry.kb_table = map; | |
| 92 entry.kb_index = i; | |
| 93 if ( ioctl(fd, KDGKBENT, &entry) == 0 ) { | |
| 94 /* fill keytemp. This replaces SDL_fbkeys.h */ | |
| 95 if ( (map == 0) && (i<128) ) { | |
| 96 keymap_temp[i] = entry.kb_value; | |
| 97 } | |
| 98 /* The "Enter" key is a special case */ | |
| 99 if ( entry.kb_value == K_ENTER ) { | |
| 100 entry.kb_value = K(KT_ASCII,13); | |
| 101 } | |
| 102 /* Handle numpad specially as well */ | |
| 103 if ( KTYP(entry.kb_value) == KT_PAD ) { | |
| 104 switch ( entry.kb_value ) { | |
| 105 case K_P0: | |
| 106 case K_P1: | |
| 107 case K_P2: | |
| 108 case K_P3: | |
| 109 case K_P4: | |
| 110 case K_P5: | |
| 111 case K_P6: | |
| 112 case K_P7: | |
| 113 case K_P8: | |
| 114 case K_P9: | |
| 115 vga_keymap[map][i]=entry.kb_value; | |
| 116 vga_keymap[map][i]+= '0'; | |
| 117 break; | |
| 118 case K_PPLUS: | |
| 119 vga_keymap[map][i]=K(KT_ASCII,'+'); | |
| 120 break; | |
| 121 case K_PMINUS: | |
| 122 vga_keymap[map][i]=K(KT_ASCII,'-'); | |
| 123 break; | |
| 124 case K_PSTAR: | |
| 125 vga_keymap[map][i]=K(KT_ASCII,'*'); | |
| 126 break; | |
| 127 case K_PSLASH: | |
| 128 vga_keymap[map][i]=K(KT_ASCII,'/'); | |
| 129 break; | |
| 130 case K_PENTER: | |
| 131 vga_keymap[map][i]=K(KT_ASCII,'\r'); | |
| 132 break; | |
| 133 case K_PCOMMA: | |
| 134 vga_keymap[map][i]=K(KT_ASCII,','); | |
| 135 break; | |
| 136 case K_PDOT: | |
| 137 vga_keymap[map][i]=K(KT_ASCII,'.'); | |
| 138 break; | |
| 139 default: | |
| 140 break; | |
| 141 } | |
| 142 } | |
| 143 /* Do the normal key translation */ | |
| 144 if ( (KTYP(entry.kb_value) == KT_LATIN) || | |
| 145 (KTYP(entry.kb_value) == KT_ASCII) || | |
| 146 (KTYP(entry.kb_value) == KT_LETTER) ) { | |
| 147 vga_keymap[map][i] = entry.kb_value; | |
| 148 } | |
| 149 } | |
| 150 } | |
| 151 } | |
| 152 } | |
| 153 | |
| 154 int FB_InGraphicsMode(_THIS) | |
| 155 { | |
| 156 return((keyboard_fd >= 0) && (saved_kbd_mode >= 0)); | |
| 157 } | |
| 158 | |
| 159 int FB_EnterGraphicsMode(_THIS) | |
| 160 { | |
| 161 struct termios keyboard_termios; | |
| 162 | |
| 163 /* Set medium-raw keyboard mode */ | |
| 164 if ( (keyboard_fd >= 0) && !FB_InGraphicsMode(this) ) { | |
| 165 | |
| 166 /* Switch to the correct virtual terminal */ | |
| 167 if ( current_vt > 0 ) { | |
| 168 struct vt_stat vtstate; | |
| 169 | |
| 170 if ( ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0 ) { | |
| 171 saved_vt = vtstate.v_active; | |
| 172 } | |
| 173 if ( ioctl(keyboard_fd, VT_ACTIVATE, current_vt) == 0 ) { | |
| 174 ioctl(keyboard_fd, VT_WAITACTIVE, current_vt); | |
| 175 } | |
| 176 } | |
| 177 | |
| 178 /* Set the terminal input mode */ | |
| 179 if ( tcgetattr(keyboard_fd, &saved_kbd_termios) < 0 ) { | |
| 180 SDL_SetError("Unable to get terminal attributes"); | |
| 181 if ( keyboard_fd > 0 ) { | |
| 182 close(keyboard_fd); | |
| 183 } | |
| 184 keyboard_fd = -1; | |
| 185 return(-1); | |
| 186 } | |
| 187 if ( ioctl(keyboard_fd, KDGKBMODE, &saved_kbd_mode) < 0 ) { | |
| 188 SDL_SetError("Unable to get current keyboard mode"); | |
| 189 if ( keyboard_fd > 0 ) { | |
| 190 close(keyboard_fd); | |
| 191 } | |
| 192 keyboard_fd = -1; | |
| 193 return(-1); | |
| 194 } | |
| 195 keyboard_termios = saved_kbd_termios; | |
| 196 keyboard_termios.c_lflag &= ~(ICANON | ECHO | ISIG); | |
| 197 keyboard_termios.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON); | |
| 198 keyboard_termios.c_cc[VMIN] = 0; | |
| 199 keyboard_termios.c_cc[VTIME] = 0; | |
| 200 if (tcsetattr(keyboard_fd, TCSAFLUSH, &keyboard_termios) < 0) { | |
| 201 FB_CloseKeyboard(this); | |
| 202 SDL_SetError("Unable to set terminal attributes"); | |
| 203 return(-1); | |
| 204 } | |
| 205 /* This will fail if we aren't root or this isn't our tty */ | |
| 206 if ( ioctl(keyboard_fd, KDSKBMODE, K_MEDIUMRAW) < 0 ) { | |
| 207 FB_CloseKeyboard(this); | |
| 208 SDL_SetError("Unable to set keyboard in raw mode"); | |
| 209 return(-1); | |
| 210 } | |
| 211 if ( ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS) < 0 ) { | |
| 212 FB_CloseKeyboard(this); | |
| 213 SDL_SetError("Unable to set keyboard in graphics mode"); | |
| 214 return(-1); | |
| 215 } | |
| 216 } | |
| 217 return(keyboard_fd); | |
| 218 } | |
| 219 | |
| 220 void FB_LeaveGraphicsMode(_THIS) | |
| 221 { | |
| 222 if ( FB_InGraphicsMode(this) ) { | |
| 223 ioctl(keyboard_fd, KDSETMODE, KD_TEXT); | |
| 224 ioctl(keyboard_fd, KDSKBMODE, saved_kbd_mode); | |
| 225 tcsetattr(keyboard_fd, TCSAFLUSH, &saved_kbd_termios); | |
| 226 saved_kbd_mode = -1; | |
| 227 | |
| 228 /* Head back over to the original virtual terminal */ | |
| 229 if ( saved_vt > 0 ) { | |
| 230 ioctl(keyboard_fd, VT_ACTIVATE, saved_vt); | |
| 231 } | |
| 232 } | |
| 233 } | |
| 234 | |
| 235 void FB_CloseKeyboard(_THIS) | |
| 236 { | |
| 237 if ( keyboard_fd >= 0 ) { | |
| 238 FB_LeaveGraphicsMode(this); | |
| 239 if ( keyboard_fd > 0 ) { | |
| 240 close(keyboard_fd); | |
| 241 } | |
| 242 } | |
| 243 keyboard_fd = -1; | |
| 244 } | |
| 245 | |
| 246 int FB_OpenKeyboard(_THIS) | |
| 247 { | |
| 248 /* Open only if not already opened */ | |
| 249 if ( keyboard_fd < 0 ) { | |
| 250 char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL }; | |
| 251 char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL }; | |
| 252 int i, tty0_fd; | |
| 253 | |
| 254 /* Try to query for a free virtual terminal */ | |
| 255 tty0_fd = -1; | |
| 256 for ( i=0; tty0[i] && (tty0_fd < 0); ++i ) { | |
| 257 tty0_fd = open(tty0[i], O_WRONLY, 0); | |
| 258 } | |
| 259 if ( tty0_fd < 0 ) { | |
| 260 tty0_fd = dup(0); /* Maybe stdin is a VT? */ | |
| 261 } | |
| 262 ioctl(tty0_fd, VT_OPENQRY, ¤t_vt); | |
| 263 close(tty0_fd); | |
| 264 if ( (geteuid() == 0) && (current_vt > 0) ) { | |
| 265 for ( i=0; vcs[i] && (keyboard_fd < 0); ++i ) { | |
| 266 char vtpath[12]; | |
| 267 | |
| 268 sprintf(vtpath, vcs[i], current_vt); | |
| 269 keyboard_fd = open(vtpath, O_RDWR, 0); | |
| 270 #ifdef DEBUG_KEYBOARD | |
| 271 fprintf(stderr, "vtpath = %s, fd = %d\n", | |
| 272 vtpath, keyboard_fd); | |
| 273 #endif /* DEBUG_KEYBOARD */ | |
| 274 | |
| 275 /* This needs to be our controlling tty | |
| 276 so that the kernel ioctl() calls work | |
| 277 */ | |
| 278 if ( keyboard_fd >= 0 ) { | |
| 279 tty0_fd = open("/dev/tty", O_RDWR, 0); | |
| 280 if ( tty0_fd >= 0 ) { | |
| 281 ioctl(tty0_fd, TIOCNOTTY, 0); | |
| 282 close(tty0_fd); | |
| 283 } | |
| 284 } | |
| 285 } | |
| 286 } | |
| 287 if ( keyboard_fd < 0 ) { | |
| 288 /* Last resort, maybe our tty is a usable VT */ | |
| 289 current_vt = 0; | |
| 290 keyboard_fd = open("/dev/tty", O_RDWR); | |
| 291 } | |
| 292 #ifdef DEBUG_KEYBOARD | |
| 293 fprintf(stderr, "Current VT: %d\n", current_vt); | |
| 294 #endif | |
| 295 saved_kbd_mode = -1; | |
| 296 | |
| 297 /* Make sure that our input is a console terminal */ | |
| 298 { int dummy; | |
| 299 if ( ioctl(keyboard_fd, KDGKBMODE, &dummy) < 0 ) { | |
| 300 close(keyboard_fd); | |
| 301 keyboard_fd = -1; | |
| 302 SDL_SetError("Unable to open a console terminal"); | |
| 303 } | |
| 304 } | |
| 305 | |
| 306 /* Set up keymap */ | |
| 307 FB_vgainitkeymaps(keyboard_fd); | |
| 308 } | |
| 309 return(keyboard_fd); | |
| 310 } | |
| 311 | |
| 312 static enum { | |
| 313 MOUSE_NONE = -1, | |
| 314 MOUSE_GPM, /* Note: GPM uses the MSC protocol */ | |
| 315 MOUSE_PS2, | |
| 316 MOUSE_IMPS2, | |
| 317 MOUSE_MS, | |
| 318 MOUSE_BM, | |
| 319 MOUSE_ELO, | |
| 320 NUM_MOUSE_DRVS | |
| 321 } mouse_drv = MOUSE_NONE; | |
| 322 | |
| 323 void FB_CloseMouse(_THIS) | |
| 324 { | |
| 325 if ( mouse_fd > 0 ) { | |
| 326 close(mouse_fd); | |
| 327 } | |
| 328 mouse_fd = -1; | |
| 329 } | |
| 330 | |
| 331 /* Returns processes listed in /proc with the desired name */ | |
| 332 static int find_pid(DIR *proc, const char *wanted_name) | |
| 333 { | |
| 334 struct dirent *entry; | |
| 335 int pid; | |
| 336 | |
| 337 /* First scan proc for the gpm process */ | |
| 338 pid = 0; | |
| 339 while ( (pid == 0) && ((entry=readdir(proc)) != NULL) ) { | |
| 340 if ( isdigit(entry->d_name[0]) ) { | |
| 341 FILE *status; | |
| 342 char path[PATH_MAX]; | |
| 343 char name[PATH_MAX]; | |
| 344 | |
| 345 sprintf(path, "/proc/%s/status", entry->d_name); | |
| 346 status=fopen(path, "r"); | |
| 347 if ( status ) { | |
| 348 name[0] = '\0'; | |
| 349 fscanf(status, "Name: %s", name); | |
| 350 if ( strcmp(name, wanted_name) == 0 ) { | |
| 351 pid = atoi(entry->d_name); | |
| 352 } | |
| 353 fclose(status); | |
| 354 } | |
| 355 } | |
| 356 } | |
| 357 return pid; | |
| 358 } | |
| 359 | |
| 360 /* Returns true if /dev/gpmdata is being written to by gpm */ | |
| 361 static int gpm_available(void) | |
| 362 { | |
| 363 int available; | |
| 364 DIR *proc; | |
| 365 int pid; | |
| 366 int cmdline, len, arglen; | |
| 367 char path[PATH_MAX]; | |
| 368 char args[PATH_MAX], *arg; | |
| 369 | |
| 370 /* Don't bother looking if the fifo isn't there */ | |
| 371 if ( access(GPM_NODE_FIFO, F_OK) < 0 ) { | |
| 372 return(0); | |
| 373 } | |
| 374 | |
| 375 available = 0; | |
| 376 proc = opendir("/proc"); | |
| 377 if ( proc ) { | |
| 378 while ( (pid=find_pid(proc, "gpm")) > 0 ) { | |
| 379 sprintf(path, "/proc/%d/cmdline", pid); | |
| 380 cmdline = open(path, O_RDONLY, 0); | |
| 381 if ( cmdline >= 0 ) { | |
| 382 len = read(cmdline, args, sizeof(args)); | |
| 383 arg = args; | |
| 384 while ( len > 0 ) { | |
| 385 if ( strcmp(arg, "-R") == 0 ) { | |
| 386 available = 1; | |
| 387 } | |
| 388 arglen = strlen(arg)+1; | |
| 389 len -= arglen; | |
| 390 arg += arglen; | |
| 391 } | |
| 392 close(cmdline); | |
| 393 } | |
| 394 } | |
| 395 closedir(proc); | |
| 396 } | |
| 397 return available; | |
| 398 } | |
| 399 | |
| 400 /* Returns true if the mouse uses the IMPS/2 protocol */ | |
| 401 static int detect_imps2(int fd) | |
| 402 { | |
| 403 int imps2; | |
| 404 | |
| 405 imps2 = 0; | |
| 406 if ( getenv("SDL_MOUSEDEV_IMPS2") ) { | |
| 407 imps2 = 1; | |
| 408 } | |
| 409 if ( ! imps2 ) { | |
| 410 unsigned char query_ps2 = 0xF2; | |
| 411 fd_set fdset; | |
| 412 struct timeval tv; | |
| 413 | |
| 414 | |
| 415 /* Get rid of any mouse motion noise */ | |
| 416 FD_ZERO(&fdset); | |
| 417 FD_SET(fd, &fdset); | |
| 418 tv.tv_sec = 0; | |
| 419 tv.tv_usec = 0; | |
| 420 while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) { | |
| 421 char temp[32]; | |
| 422 read(fd, temp, sizeof(temp)); | |
| 423 } | |
| 424 | |
| 425 /* Query for the type of mouse protocol */ | |
| 426 if ( write(fd, &query_ps2, 1) == 1 ) { | |
| 427 unsigned char ch = 0; | |
| 428 | |
| 429 /* If you wanted to control the mouse mode: | |
| 430 Set IMPS/2 protocol: | |
| 431 {0xf3,200,0xf3,100,0xf3,80} | |
| 432 Reset mouse device: | |
| 433 {0xFF} | |
| 434 */ | |
| 435 /* Get the mouse protocol response */ | |
| 436 do { | |
| 437 FD_ZERO(&fdset); | |
| 438 FD_SET(fd, &fdset); | |
| 439 tv.tv_sec = 1; | |
| 440 tv.tv_usec = 0; | |
| 441 if ( select(fd+1, &fdset, 0, 0, &tv) < 1 ) { | |
| 442 break; | |
| 443 } | |
| 444 } while ( (read(fd, &ch, 1) == 1) && | |
| 445 ((ch == 0xFA) || (ch == 0xAA)) ); | |
| 446 | |
| 447 /* Experimental values (Logitech wheelmouse) */ | |
| 448 #ifdef DEBUG_MOUSE | |
| 449 fprintf(stderr, "Last mouse mode: 0x%x\n", ch); | |
| 450 #endif | |
| 451 if ( ch == 3 ) { | |
| 452 imps2 = 1; | |
| 453 } | |
| 454 } | |
| 455 } | |
| 456 return imps2; | |
| 457 } | |
| 458 | |
| 459 int FB_OpenMouse(_THIS) | |
| 460 { | |
| 461 const char *mousedev; | |
| 462 const char *mousedrv; | |
| 463 | |
| 464 mousedrv = getenv("SDL_MOUSEDRV"); | |
| 465 mousedev = getenv("SDL_MOUSEDEV"); | |
| 466 mouse_fd = -1; | |
| 467 | |
| 468 /* ELO TOUCHSCREEN SUPPORT */ | |
| 469 | |
| 470 if( (mousedrv != NULL) && (strcmp(mousedrv, "ELO") == 0) ) { | |
| 471 mouse_fd = open(mousedev, O_RDWR); | |
| 472 if ( mouse_fd >= 0 ) { | |
| 473 if(eloInitController(mouse_fd)) { | |
| 474 #ifdef DEBUG_MOUSE | |
| 475 fprintf(stderr, "Using ELO touchscreen\n"); | |
| 476 #endif | |
| 477 mouse_drv = MOUSE_ELO; | |
| 478 } | |
| 479 | |
| 480 } | |
| 481 else if ( mouse_fd < 0 ) { | |
| 482 mouse_drv = MOUSE_NONE; | |
| 483 } | |
| 484 | |
| 485 return(mouse_fd); | |
| 486 } | |
| 487 | |
| 488 /* STD MICE */ | |
| 489 | |
| 490 if ( mousedev == NULL ) { | |
| 491 /* First try to use GPM in repeater mode */ | |
| 492 if ( mouse_fd < 0 ) { | |
| 493 if ( gpm_available() ) { | |
| 494 mouse_fd = open(GPM_NODE_FIFO, O_RDONLY, 0); | |
| 495 if ( mouse_fd >= 0 ) { | |
| 496 #ifdef DEBUG_MOUSE | |
| 497 fprintf(stderr, "Using GPM mouse\n"); | |
| 498 #endif | |
| 499 mouse_drv = MOUSE_GPM; | |
| 500 } | |
| 501 } | |
| 502 } | |
| 503 /* Now try to use the new HID unified mouse device */ | |
| 504 if ( mouse_fd < 0 ) { | |
| 505 mouse_fd = open("/dev/input/mice", O_RDONLY, 0); | |
| 506 if ( mouse_fd >= 0 ) { | |
| 507 mouse_drv = MOUSE_IMPS2; | |
| 508 } | |
| 509 } | |
| 510 /* Now try to use a modern PS/2 port mouse */ | |
| 511 if ( mouse_fd < 0 ) { | |
| 512 mouse_fd = open("/dev/psaux", O_RDWR, 0); | |
| 513 if ( mouse_fd < 0 ) { | |
| 514 mouse_fd = open("/dev/psaux", O_RDONLY, 0); | |
| 515 } | |
| 516 if ( mouse_fd >= 0 ) { | |
| 517 if ( detect_imps2(mouse_fd) ) { | |
| 518 #ifdef DEBUG_MOUSE | |
| 519 fprintf(stderr, "Using IMPS/2 mouse\n"); | |
| 520 #endif | |
| 521 mouse_drv = MOUSE_IMPS2; | |
| 522 } else { | |
| 523 #ifdef DEBUG_MOUSE | |
| 524 fprintf(stderr, "Using PS/2 mouse\n"); | |
| 525 #endif | |
| 526 mouse_drv = MOUSE_PS2; | |
| 527 } | |
| 528 } | |
| 529 } | |
| 530 /* Next try to use a PPC ADB port mouse */ | |
| 531 if ( mouse_fd < 0 ) { | |
| 532 mouse_fd = open("/dev/adbmouse", O_RDONLY, 0); | |
| 533 if ( mouse_fd >= 0 ) { | |
| 534 #ifdef DEBUG_MOUSE | |
| 535 fprintf(stderr, "Using ADB mouse\n"); | |
| 536 #endif | |
| 537 mouse_drv = MOUSE_BM; | |
| 538 } | |
| 539 } | |
| 540 } | |
| 541 /* Default to a serial Microsoft mouse */ | |
| 542 if ( mouse_fd < 0 ) { | |
| 543 if ( mousedev == NULL ) { | |
| 544 mousedev = "/dev/mouse"; | |
| 545 } | |
| 546 mouse_fd = open(mousedev, O_RDONLY, 0); | |
| 547 if ( mouse_fd >= 0 ) { | |
| 548 struct termios mouse_termios; | |
| 549 | |
| 550 /* Set the sampling speed to 1200 baud */ | |
| 551 tcgetattr(mouse_fd, &mouse_termios); | |
| 552 mouse_termios.c_iflag = IGNBRK | IGNPAR; | |
| 553 mouse_termios.c_oflag = 0; | |
| 554 mouse_termios.c_lflag = 0; | |
| 555 mouse_termios.c_line = 0; | |
| 556 mouse_termios.c_cc[VTIME] = 0; | |
| 557 mouse_termios.c_cc[VMIN] = 1; | |
| 558 mouse_termios.c_cflag = CREAD | CLOCAL | HUPCL; | |
| 559 mouse_termios.c_cflag |= CS8; | |
| 560 mouse_termios.c_cflag |= B1200; | |
| 561 tcsetattr(mouse_fd, TCSAFLUSH, &mouse_termios); | |
| 562 #ifdef DEBUG_MOUSE | |
| 563 fprintf(stderr, "Using Microsoft mouse on %s\n", mousedev); | |
| 564 #endif | |
| 565 mouse_drv = MOUSE_MS; | |
| 566 } | |
| 567 } | |
| 568 if ( mouse_fd < 0 ) { | |
| 569 mouse_drv = MOUSE_NONE; | |
| 570 } | |
| 571 return(mouse_fd); | |
| 572 } | |
| 573 | |
| 574 static int posted = 0; | |
| 575 | |
| 576 void FB_vgamousecallback(int button, int relative, int dx, int dy) | |
| 577 { | |
| 578 int button_1, button_3; | |
| 579 int button_state; | |
| 580 int state_changed; | |
| 581 int i; | |
| 582 Uint8 state; | |
| 583 | |
| 584 if ( dx || dy ) { | |
| 585 posted += SDL_PrivateMouseMotion(0, relative, dx, dy); | |
| 586 } | |
| 587 | |
| 588 /* Swap button 1 and 3 */ | |
| 589 button_1 = (button & 0x04) >> 2; | |
| 590 button_3 = (button & 0x01) << 2; | |
| 591 button &= ~0x05; | |
| 592 button |= (button_1|button_3); | |
| 593 | |
| 594 /* See what changed */ | |
| 595 button_state = SDL_GetMouseState(NULL, NULL); | |
| 596 state_changed = button_state ^ button; | |
| 597 for ( i=0; i<8; ++i ) { | |
| 598 if ( state_changed & (1<<i) ) { | |
| 599 if ( button & (1<<i) ) { | |
| 600 state = SDL_PRESSED; | |
| 601 } else { | |
| 602 state = SDL_RELEASED; | |
| 603 } | |
| 604 posted += SDL_PrivateMouseButton(state, i+1, 0, 0); | |
| 605 } | |
| 606 } | |
| 607 } | |
| 608 | |
| 609 /* For now, use GPM, PS/2, and MS protocols | |
| 610 Driver adapted from the SVGAlib mouse driver code (taken from gpm, etc.) | |
| 611 */ | |
| 612 static void handle_mouse(_THIS) | |
| 613 { | |
| 614 static int start = 0; | |
| 615 static unsigned char mousebuf[BUFSIZ]; | |
| 616 static int relative = 1; | |
| 617 | |
| 618 int i, nread; | |
| 619 int button = 0; | |
| 620 int dx = 0, dy = 0; | |
| 621 int packetsize = 0; | |
|
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622 int realx, realy; |
|
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|
623 |
| 0 | 624 /* Figure out the mouse packet size */ |
| 625 switch (mouse_drv) { | |
| 626 case MOUSE_NONE: | |
| 627 /* Ack! */ | |
| 628 read(mouse_fd, mousebuf, BUFSIZ); | |
| 629 return; | |
| 630 case MOUSE_GPM: | |
| 631 packetsize = 5; | |
| 632 break; | |
| 633 case MOUSE_IMPS2: | |
| 634 packetsize = 4; | |
| 635 break; | |
| 636 case MOUSE_PS2: | |
| 637 case MOUSE_MS: | |
| 638 case MOUSE_BM: | |
| 639 packetsize = 3; | |
| 640 break; | |
| 641 case MOUSE_ELO: | |
| 642 packetsize = ELO_PACKET_SIZE; | |
| 643 relative = 0; | |
| 644 break; | |
| 645 case NUM_MOUSE_DRVS: | |
| 646 /* Uh oh.. */ | |
| 647 packetsize = 0; | |
| 648 break; | |
| 649 } | |
| 650 | |
|
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651 /* Special handling for the quite sensitive ELO controller */ |
|
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652 if (mouse_drv == MOUSE_ELO) { |
|
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653 |
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|
654 /* try to read the next packet */ |
|
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655 if(eloReadPosition(this, mouse_fd, &dx, &dy, &button, &realx, &realy)) { |
|
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656 button = (button & 0x01) << 2; |
|
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657 FB_vgamousecallback(button, relative, dx, dy); |
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658 } |
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|
659 |
|
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660 return; |
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661 } |
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|
662 |
| 0 | 663 /* Read as many packets as possible */ |
| 664 nread = read(mouse_fd, &mousebuf[start], BUFSIZ-start); | |
| 665 if ( nread < 0 ) { | |
| 666 return; | |
| 667 } | |
| 668 nread += start; | |
| 669 #ifdef DEBUG_MOUSE | |
| 670 fprintf(stderr, "Read %d bytes from mouse, start = %d\n", nread, start); | |
| 671 #endif | |
| 672 for ( i=0; i<(nread-(packetsize-1)); i += packetsize ) { | |
| 673 switch (mouse_drv) { | |
| 674 case MOUSE_NONE: | |
| 675 break; | |
| 676 case MOUSE_GPM: | |
| 677 /* GPM protocol has 0x80 in high byte */ | |
| 678 if ( (mousebuf[i] & 0xF8) != 0x80 ) { | |
| 679 /* Go to next byte */ | |
| 680 i -= (packetsize-1); | |
| 681 continue; | |
| 682 } | |
| 683 /* Get current mouse state */ | |
| 684 button = (~mousebuf[i]) & 0x07; | |
| 685 dx = (signed char)(mousebuf[i+1]) + | |
| 686 (signed char)(mousebuf[i+3]); | |
| 687 dy = -((signed char)(mousebuf[i+2]) + | |
| 688 (signed char)(mousebuf[i+4])); | |
| 689 break; | |
| 690 case MOUSE_PS2: | |
| 691 /* PS/2 protocol has nothing in high byte */ | |
| 692 if ( (mousebuf[i] & 0xC0) != 0 ) { | |
| 693 /* Go to next byte */ | |
| 694 i -= (packetsize-1); | |
| 695 continue; | |
| 696 } | |
| 697 /* Get current mouse state */ | |
| 698 button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/ | |
| 699 (mousebuf[i] & 0x02) >> 1 | /*Right*/ | |
| 700 (mousebuf[i] & 0x01) << 2; /*Left*/ | |
| 701 dx = (mousebuf[i] & 0x10) ? | |
| 702 mousebuf[i+1] - 256 : mousebuf[i+1]; | |
| 703 dy = (mousebuf[i] & 0x20) ? | |
| 704 -(mousebuf[i+2] - 256) : -mousebuf[i+2]; | |
| 705 break; | |
| 706 case MOUSE_IMPS2: | |
| 707 /* Get current mouse state */ | |
| 708 button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/ | |
| 709 (mousebuf[i] & 0x02) >> 1 | /*Right*/ | |
| 710 (mousebuf[i] & 0x01) << 2 | /*Left*/ | |
| 711 (mousebuf[i] & 0x40) >> 3 | /* 4 */ | |
| 712 (mousebuf[i] & 0x80) >> 3; /* 5 */ | |
| 713 dx = (mousebuf[i] & 0x10) ? | |
| 714 mousebuf[i+1] - 256 : mousebuf[i+1]; | |
| 715 dy = (mousebuf[i] & 0x20) ? | |
| 716 -(mousebuf[i+2] - 256) : -mousebuf[i+2]; | |
| 717 switch (mousebuf[i+3]&0x0F) { | |
| 718 case 0x0E: /* DX = +1 */ | |
| 719 case 0x02: /* DX = -1 */ | |
| 720 break; | |
| 721 case 0x0F: /* DY = +1 (map button 4) */ | |
| 722 button |= (1<<3); | |
| 723 break; | |
| 724 case 0x01: /* DY = -1 (map button 5) */ | |
| 725 button |= (1<<4); | |
| 726 break; | |
| 727 } | |
| 728 break; | |
| 729 case MOUSE_MS: | |
| 730 /* Microsoft protocol has 0x40 in high byte */ | |
| 731 if ( (mousebuf[i] & 0x40) != 0x40 ) { | |
| 732 /* Go to next byte */ | |
| 733 i -= (packetsize-1); | |
| 734 continue; | |
| 735 } | |
| 736 /* Get current mouse state */ | |
| 737 button = ((mousebuf[i] & 0x20) >> 3) | | |
| 738 ((mousebuf[i] & 0x10) >> 4); | |
| 739 dx = (signed char)(((mousebuf[i] & 0x03) << 6) | | |
| 740 (mousebuf[i + 1] & 0x3F)); | |
| 741 dy = (signed char)(((mousebuf[i] & 0x0C) << 4) | | |
| 742 (mousebuf[i + 2] & 0x3F)); | |
| 743 break; | |
| 744 case MOUSE_BM: | |
| 745 /* BusMouse protocol has 0xF8 in high byte */ | |
| 746 if ( (mousebuf[i] & 0xF8) != 0x80 ) { | |
| 747 /* Go to next byte */ | |
| 748 i -= (packetsize-1); | |
| 749 continue; | |
| 750 } | |
| 751 /* Get current mouse state */ | |
| 752 button = (~mousebuf[i]) & 0x07; | |
| 753 dx = (signed char)mousebuf[i+1]; | |
| 754 dy = -(signed char)mousebuf[i+2]; | |
| 755 break; | |
|
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Date: Thu, 26 Apr 2001 10:46:23 +0200
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diff
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|
756 /* |
| 0 | 757 case MOUSE_ELO: |
| 758 if ( mousebuf[i] != ELO_START_BYTE ) { | |
| 759 i -= (packetsize-1); | |
| 760 continue; | |
| 761 } | |
| 762 | |
| 763 if(!eloParsePacket(&(mousebuf[i]), &dx, &dy, &button)) { | |
|
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|
764 i -= (packetsize-1); |
|
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|
765 continue; |
| 0 | 766 } |
| 767 | |
| 768 button = (button & 0x01) << 2; | |
| 769 | |
| 770 eloConvertXY(this, &dx, &dy); | |
| 771 break; | |
|
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|
772 */ |
| 0 | 773 |
|
4
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|
774 case MOUSE_ELO: |
| 0 | 775 case NUM_MOUSE_DRVS: |
| 776 /* Uh oh.. */ | |
| 777 dx = 0; | |
| 778 dy = 0; | |
| 779 break; | |
| 780 } | |
| 781 FB_vgamousecallback(button, relative, dx, dy); | |
| 782 } | |
| 783 if ( i < nread ) { | |
| 784 memcpy(mousebuf, &mousebuf[i], (nread-i)); | |
| 785 start = (nread-i); | |
| 786 } else { | |
| 787 start = 0; | |
| 788 } | |
| 789 return; | |
| 790 } | |
| 791 | |
| 792 /* Handle switching to another VC, returns when our VC is back */ | |
| 793 static void switch_vt(_THIS, unsigned short which) | |
| 794 { | |
| 795 struct vt_stat vtstate; | |
| 796 unsigned short current; | |
| 797 SDL_Surface *screen; | |
| 798 __u16 saved_pal[3*256]; | |
| 799 Uint32 screen_arealen; | |
| 800 Uint8 *screen_contents; | |
| 801 | |
| 802 /* Figure out whether or not we're switching to a new console */ | |
| 803 if ( (ioctl(keyboard_fd, VT_GETSTATE, &vtstate) < 0) || | |
| 804 (which == vtstate.v_active) ) { | |
| 805 return; | |
| 806 } | |
| 807 current = vtstate.v_active; | |
| 808 | |
| 809 /* Save the contents of the screen, and go to text mode */ | |
| 810 SDL_mutexP(hw_lock); | |
| 811 screen = SDL_VideoSurface; | |
| 812 screen_arealen = (screen->h*screen->pitch); | |
| 813 screen_contents = (Uint8 *)malloc(screen_arealen); | |
| 814 if ( screen_contents ) { | |
| 815 memcpy(screen_contents, screen->pixels, screen_arealen); | |
| 816 } | |
| 817 FB_SavePaletteTo(this, 256, saved_pal); | |
| 818 ioctl(keyboard_fd, KDSETMODE, KD_TEXT); | |
| 819 | |
| 820 /* New console, switch to it */ | |
| 821 if ( ioctl(keyboard_fd, VT_ACTIVATE, which) == 0 ) { | |
| 822 /* Wait for our console to be activated again */ | |
| 823 ioctl(keyboard_fd, VT_WAITACTIVE, which); | |
| 824 while ( ioctl(keyboard_fd, VT_WAITACTIVE, current) < 0 ) { | |
| 825 if ( (errno != EINTR) && (errno != EAGAIN) ) { | |
| 826 /* Unknown VT error - cancel this */ | |
| 827 break; | |
| 828 } | |
| 829 SDL_Delay(500); | |
| 830 } | |
| 831 } | |
| 832 | |
| 833 /* Restore graphics mode and the contents of the screen */ | |
| 834 ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS); | |
| 835 FB_RestorePaletteFrom(this, 256, saved_pal); | |
| 836 if ( screen_contents ) { | |
| 837 memcpy(screen->pixels, screen_contents, screen_arealen); | |
| 838 free(screen_contents); | |
| 839 } | |
| 840 SDL_mutexV(hw_lock); | |
| 841 } | |
| 842 | |
| 843 static void handle_keyboard(_THIS) | |
| 844 { | |
| 845 unsigned char keybuf[BUFSIZ]; | |
| 846 int i, nread; | |
| 847 int pressed; | |
| 848 int scancode; | |
| 849 SDL_keysym keysym; | |
| 850 | |
| 851 nread = read(keyboard_fd, keybuf, BUFSIZ); | |
| 852 for ( i=0; i<nread; ++i ) { | |
| 853 scancode = keybuf[i] & 0x7F; | |
| 854 if ( keybuf[i] & 0x80 ) { | |
| 855 pressed = SDL_RELEASED; | |
| 856 } else { | |
| 857 pressed = SDL_PRESSED; | |
| 858 } | |
| 859 TranslateKey(scancode, &keysym); | |
| 860 /* Handle Alt-FN for vt switch */ | |
| 861 switch (keysym.sym) { | |
| 862 case SDLK_F1: | |
| 863 case SDLK_F2: | |
| 864 case SDLK_F3: | |
| 865 case SDLK_F4: | |
| 866 case SDLK_F5: | |
| 867 case SDLK_F6: | |
| 868 case SDLK_F7: | |
| 869 case SDLK_F8: | |
| 870 case SDLK_F9: | |
| 871 case SDLK_F10: | |
| 872 case SDLK_F11: | |
| 873 case SDLK_F12: | |
| 874 if ( SDL_GetModState() & KMOD_ALT ) { | |
| 875 switch_vt(this, (keysym.sym-SDLK_F1)+1); | |
| 876 break; | |
| 877 } | |
| 878 /* Fall through to normal processing */ | |
| 879 default: | |
| 880 posted += SDL_PrivateKeyboard(pressed, &keysym); | |
| 881 break; | |
| 882 } | |
| 883 } | |
| 884 } | |
| 885 | |
| 886 void FB_PumpEvents(_THIS) | |
| 887 { | |
| 888 fd_set fdset; | |
| 889 int max_fd; | |
| 890 static struct timeval zero; | |
| 891 | |
| 892 do { | |
| 893 posted = 0; | |
| 894 | |
| 895 FD_ZERO(&fdset); | |
| 896 max_fd = 0; | |
| 897 if ( keyboard_fd >= 0 ) { | |
| 898 FD_SET(keyboard_fd, &fdset); | |
| 899 if ( max_fd < keyboard_fd ) { | |
| 900 max_fd = keyboard_fd; | |
| 901 } | |
| 902 } | |
| 903 if ( mouse_fd >= 0 ) { | |
| 904 FD_SET(mouse_fd, &fdset); | |
| 905 if ( max_fd < mouse_fd ) { | |
| 906 max_fd = mouse_fd; | |
| 907 } | |
| 908 } | |
| 909 if ( select(max_fd+1, &fdset, NULL, NULL, &zero) > 0 ) { | |
| 910 if ( keyboard_fd >= 0 ) { | |
| 911 if ( FD_ISSET(keyboard_fd, &fdset) ) { | |
| 912 handle_keyboard(this); | |
| 913 } | |
| 914 } | |
| 915 if ( mouse_fd >= 0 ) { | |
| 916 if ( FD_ISSET(mouse_fd, &fdset) ) { | |
| 917 handle_mouse(this); | |
| 918 } | |
| 919 } | |
| 920 } | |
| 921 } while ( posted ); | |
| 922 } | |
| 923 | |
| 924 void FB_InitOSKeymap(_THIS) | |
| 925 { | |
| 926 int i; | |
| 927 | |
| 928 /* Initialize the Linux key translation table */ | |
| 929 | |
| 930 /* First get the ascii keys and others not well handled */ | |
| 931 for (i=0; i<SDL_TABLESIZE(keymap); ++i) { | |
| 932 switch(i) { | |
| 933 /* These aren't handled by the x86 kernel keymapping (?) */ | |
| 934 case SCANCODE_PRINTSCREEN: | |
| 935 keymap[i] = SDLK_PRINT; | |
| 936 break; | |
| 937 case SCANCODE_BREAK: | |
| 938 keymap[i] = SDLK_BREAK; | |
| 939 break; | |
| 940 case SCANCODE_BREAK_ALTERNATIVE: | |
| 941 keymap[i] = SDLK_PAUSE; | |
| 942 break; | |
| 943 case SCANCODE_LEFTSHIFT: | |
| 944 keymap[i] = SDLK_LSHIFT; | |
| 945 break; | |
| 946 case SCANCODE_RIGHTSHIFT: | |
| 947 keymap[i] = SDLK_RSHIFT; | |
| 948 break; | |
| 949 case SCANCODE_LEFTCONTROL: | |
| 950 keymap[i] = SDLK_LCTRL; | |
| 951 break; | |
| 952 case SCANCODE_RIGHTCONTROL: | |
| 953 keymap[i] = SDLK_RCTRL; | |
| 954 break; | |
| 955 case SCANCODE_RIGHTWIN: | |
| 956 keymap[i] = SDLK_RSUPER; | |
| 957 break; | |
| 958 case SCANCODE_LEFTWIN: | |
| 959 keymap[i] = SDLK_LSUPER; | |
| 960 break; | |
| 961 case 127: | |
| 962 keymap[i] = SDLK_MENU; | |
| 963 break; | |
| 964 /* this should take care of all standard ascii keys */ | |
| 965 default: | |
| 966 keymap[i] = KVAL(vga_keymap[0][i]); | |
| 967 break; | |
| 968 } | |
| 969 } | |
| 970 for (i=0; i<SDL_TABLESIZE(keymap); ++i) { | |
| 971 switch(keymap_temp[i]) { | |
| 972 case K_F1: keymap[i] = SDLK_F1; break; | |
| 973 case K_F2: keymap[i] = SDLK_F2; break; | |
| 974 case K_F3: keymap[i] = SDLK_F3; break; | |
| 975 case K_F4: keymap[i] = SDLK_F4; break; | |
| 976 case K_F5: keymap[i] = SDLK_F5; break; | |
| 977 case K_F6: keymap[i] = SDLK_F6; break; | |
| 978 case K_F7: keymap[i] = SDLK_F7; break; | |
| 979 case K_F8: keymap[i] = SDLK_F8; break; | |
| 980 case K_F9: keymap[i] = SDLK_F9; break; | |
| 981 case K_F10: keymap[i] = SDLK_F10; break; | |
| 982 case K_F11: keymap[i] = SDLK_F11; break; | |
| 983 case K_F12: keymap[i] = SDLK_F12; break; | |
| 984 | |
| 985 case K_DOWN: keymap[i] = SDLK_DOWN; break; | |
| 986 case K_LEFT: keymap[i] = SDLK_LEFT; break; | |
| 987 case K_RIGHT: keymap[i] = SDLK_RIGHT; break; | |
| 988 case K_UP: keymap[i] = SDLK_UP; break; | |
| 989 | |
| 990 case K_P0: keymap[i] = SDLK_KP0; break; | |
| 991 case K_P1: keymap[i] = SDLK_KP1; break; | |
| 992 case K_P2: keymap[i] = SDLK_KP2; break; | |
| 993 case K_P3: keymap[i] = SDLK_KP3; break; | |
| 994 case K_P4: keymap[i] = SDLK_KP4; break; | |
| 995 case K_P5: keymap[i] = SDLK_KP5; break; | |
| 996 case K_P6: keymap[i] = SDLK_KP6; break; | |
| 997 case K_P7: keymap[i] = SDLK_KP7; break; | |
| 998 case K_P8: keymap[i] = SDLK_KP8; break; | |
| 999 case K_P9: keymap[i] = SDLK_KP9; break; | |
| 1000 case K_PPLUS: keymap[i] = SDLK_KP_PLUS; break; | |
| 1001 case K_PMINUS: keymap[i] = SDLK_KP_MINUS; break; | |
| 1002 case K_PSTAR: keymap[i] = SDLK_KP_MULTIPLY; break; | |
| 1003 case K_PSLASH: keymap[i] = SDLK_KP_DIVIDE; break; | |
| 1004 case K_PENTER: keymap[i] = SDLK_KP_ENTER; break; | |
| 1005 case K_PDOT: keymap[i] = SDLK_KP_PERIOD; break; | |
| 1006 | |
| 1007 case K_SHIFT: if ( keymap[i] != SDLK_RSHIFT ) | |
| 1008 keymap[i] = SDLK_LSHIFT; | |
| 1009 break; | |
| 1010 case K_SHIFTL: keymap[i] = SDLK_LSHIFT; break; | |
| 1011 case K_SHIFTR: keymap[i] = SDLK_RSHIFT; break; | |
| 1012 case K_CTRL: if ( keymap[i] != SDLK_RCTRL ) | |
| 1013 keymap[i] = SDLK_LCTRL; | |
| 1014 break; | |
| 1015 case K_CTRLL: keymap[i] = SDLK_LCTRL; break; | |
| 1016 case K_CTRLR: keymap[i] = SDLK_RCTRL; break; | |
| 1017 case K_ALT: keymap[i] = SDLK_LALT; break; | |
| 1018 case K_ALTGR: keymap[i] = SDLK_RALT; break; | |
| 1019 | |
| 1020 case K_INSERT: keymap[i] = SDLK_INSERT; break; | |
| 1021 case K_REMOVE: keymap[i] = SDLK_DELETE; break; | |
| 1022 case K_PGUP: keymap[i] = SDLK_PAGEUP; break; | |
| 1023 case K_PGDN: keymap[i] = SDLK_PAGEDOWN; break; | |
| 1024 case K_FIND: keymap[i] = SDLK_HOME; break; | |
| 1025 case K_SELECT: keymap[i] = SDLK_END; break; | |
| 1026 | |
| 1027 case K_NUM: keymap[i] = SDLK_NUMLOCK; break; | |
| 1028 case K_CAPS: keymap[i] = SDLK_CAPSLOCK; break; | |
| 1029 | |
| 1030 case K_F13: keymap[i] = SDLK_PRINT; break; | |
| 1031 case K_HOLD: keymap[i] = SDLK_SCROLLOCK; break; | |
| 1032 case K_PAUSE: keymap[i] = SDLK_PAUSE; break; | |
| 1033 | |
| 1034 case 127: keymap[i] = SDLK_BACKSPACE; break; | |
| 1035 | |
| 1036 default: break; | |
| 1037 } | |
| 1038 } | |
| 1039 } | |
| 1040 | |
| 1041 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym) | |
| 1042 { | |
| 1043 /* Set the keysym information */ | |
| 1044 keysym->scancode = scancode; | |
| 1045 keysym->sym = keymap[scancode]; | |
| 1046 keysym->mod = KMOD_NONE; | |
| 1047 | |
| 1048 /* If UNICODE is on, get the UNICODE value for the key */ | |
| 1049 keysym->unicode = 0; | |
| 1050 if ( SDL_TranslateUNICODE ) { | |
| 1051 int map; | |
| 1052 SDLMod modstate; | |
| 1053 | |
| 1054 modstate = SDL_GetModState(); | |
| 1055 map = 0; | |
| 1056 if ( modstate & KMOD_SHIFT ) { | |
| 1057 map |= (1<<KG_SHIFT); | |
| 1058 } | |
| 1059 if ( modstate & KMOD_CTRL ) { | |
| 1060 map |= (1<<KG_CTRL); | |
| 1061 } | |
| 1062 if ( modstate & KMOD_ALT ) { | |
| 1063 map |= (1<<KG_ALT); | |
| 1064 } | |
| 1065 if ( modstate & KMOD_MODE ) { | |
| 1066 map |= (1<<KG_ALTGR); | |
| 1067 } | |
| 1068 if ( KTYP(vga_keymap[map][scancode]) == KT_LETTER ) { | |
| 1069 if ( modstate & KMOD_CAPS ) { | |
| 1070 map ^= (1<<KG_SHIFT); | |
| 1071 } | |
| 1072 } | |
| 1073 if ( KTYP(vga_keymap[map][scancode]) == KT_PAD ) { | |
| 1074 if ( modstate & KMOD_NUM ) { | |
| 1075 keysym->unicode=KVAL(vga_keymap[map][scancode]); | |
| 1076 } | |
| 1077 } else { | |
| 1078 keysym->unicode = KVAL(vga_keymap[map][scancode]); | |
| 1079 } | |
| 1080 } | |
| 1081 return(keysym); | |
| 1082 } |