Mercurial > sdl-ios-xcode
annotate src/video/fbcon/SDL_fbevents.c @ 1772:5115185b6e3c
Fixed bug #102
Improved GPM mouse protocol detection.
The original patch had a bunch of bugs, so I completely rewrote it to hopefully fix them, and to support more protocols.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 07 May 2006 06:20:39 +0000 |
| parents | 980d2a0dc2a3 |
| children | ed39aa7383ea |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 /* Handle the event stream, converting console events into SDL events */ | |
| 25 | |
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26 #include <stdio.h> |
| 0 | 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 | |
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43 #include "SDL_timer.h" |
| 0 | 44 #include "SDL_mutex.h" |
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45 #include "../SDL_sysvideo.h" |
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46 #include "../../events/SDL_sysevents.h" |
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47 #include "../../events/SDL_events_c.h" |
| 0 | 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 | |
| 1772 | 58 /*#define DEBUG_MOUSE*/ |
| 0 | 59 |
| 60 /* The translation tables from a console scancode to a SDL keysym */ | |
| 61 #define NUM_VGAKEYMAPS (1<<KG_CAPSSHIFT) | |
| 62 static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS]; | |
| 63 static SDLKey keymap[128]; | |
| 64 static Uint16 keymap_temp[128]; /* only used at startup */ | |
| 65 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym); | |
| 66 | |
| 67 /* Ugh, we have to duplicate the kernel's keysym mapping code... | |
| 68 Oh, it's not so bad. :-) | |
| 69 | |
| 70 FIXME: Add keyboard LED handling code | |
| 71 */ | |
| 72 static void FB_vgainitkeymaps(int fd) | |
| 73 { | |
| 74 struct kbentry entry; | |
| 75 int map, i; | |
| 76 | |
| 77 /* Don't do anything if we are passed a closed keyboard */ | |
| 78 if ( fd < 0 ) { | |
| 79 return; | |
| 80 } | |
| 81 | |
| 82 /* Load all the keysym mappings */ | |
| 83 for ( map=0; map<NUM_VGAKEYMAPS; ++map ) { | |
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84 SDL_memset(vga_keymap[map], 0, NR_KEYS*sizeof(Uint16)); |
| 0 | 85 for ( i=0; i<NR_KEYS; ++i ) { |
| 86 entry.kb_table = map; | |
| 87 entry.kb_index = i; | |
| 88 if ( ioctl(fd, KDGKBENT, &entry) == 0 ) { | |
| 89 /* fill keytemp. This replaces SDL_fbkeys.h */ | |
| 90 if ( (map == 0) && (i<128) ) { | |
| 91 keymap_temp[i] = entry.kb_value; | |
| 92 } | |
| 93 /* The "Enter" key is a special case */ | |
| 94 if ( entry.kb_value == K_ENTER ) { | |
| 95 entry.kb_value = K(KT_ASCII,13); | |
| 96 } | |
| 97 /* Handle numpad specially as well */ | |
| 98 if ( KTYP(entry.kb_value) == KT_PAD ) { | |
| 99 switch ( entry.kb_value ) { | |
| 100 case K_P0: | |
| 101 case K_P1: | |
| 102 case K_P2: | |
| 103 case K_P3: | |
| 104 case K_P4: | |
| 105 case K_P5: | |
| 106 case K_P6: | |
| 107 case K_P7: | |
| 108 case K_P8: | |
| 109 case K_P9: | |
| 110 vga_keymap[map][i]=entry.kb_value; | |
| 111 vga_keymap[map][i]+= '0'; | |
| 112 break; | |
| 113 case K_PPLUS: | |
| 114 vga_keymap[map][i]=K(KT_ASCII,'+'); | |
| 115 break; | |
| 116 case K_PMINUS: | |
| 117 vga_keymap[map][i]=K(KT_ASCII,'-'); | |
| 118 break; | |
| 119 case K_PSTAR: | |
| 120 vga_keymap[map][i]=K(KT_ASCII,'*'); | |
| 121 break; | |
| 122 case K_PSLASH: | |
| 123 vga_keymap[map][i]=K(KT_ASCII,'/'); | |
| 124 break; | |
| 125 case K_PENTER: | |
| 126 vga_keymap[map][i]=K(KT_ASCII,'\r'); | |
| 127 break; | |
| 128 case K_PCOMMA: | |
| 129 vga_keymap[map][i]=K(KT_ASCII,','); | |
| 130 break; | |
| 131 case K_PDOT: | |
| 132 vga_keymap[map][i]=K(KT_ASCII,'.'); | |
| 133 break; | |
| 134 default: | |
| 135 break; | |
| 136 } | |
| 137 } | |
| 138 /* Do the normal key translation */ | |
| 139 if ( (KTYP(entry.kb_value) == KT_LATIN) || | |
| 140 (KTYP(entry.kb_value) == KT_ASCII) || | |
| 141 (KTYP(entry.kb_value) == KT_LETTER) ) { | |
| 142 vga_keymap[map][i] = entry.kb_value; | |
| 143 } | |
| 144 } | |
| 145 } | |
| 146 } | |
| 147 } | |
| 148 | |
| 149 int FB_InGraphicsMode(_THIS) | |
| 150 { | |
| 151 return((keyboard_fd >= 0) && (saved_kbd_mode >= 0)); | |
| 152 } | |
| 153 | |
| 154 int FB_EnterGraphicsMode(_THIS) | |
| 155 { | |
| 156 struct termios keyboard_termios; | |
| 157 | |
| 158 /* Set medium-raw keyboard mode */ | |
| 159 if ( (keyboard_fd >= 0) && !FB_InGraphicsMode(this) ) { | |
| 160 | |
| 161 /* Switch to the correct virtual terminal */ | |
| 162 if ( current_vt > 0 ) { | |
| 163 struct vt_stat vtstate; | |
| 164 | |
| 165 if ( ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0 ) { | |
| 166 saved_vt = vtstate.v_active; | |
| 167 } | |
| 168 if ( ioctl(keyboard_fd, VT_ACTIVATE, current_vt) == 0 ) { | |
| 169 ioctl(keyboard_fd, VT_WAITACTIVE, current_vt); | |
| 170 } | |
| 171 } | |
| 172 | |
| 173 /* Set the terminal input mode */ | |
| 174 if ( tcgetattr(keyboard_fd, &saved_kbd_termios) < 0 ) { | |
| 175 SDL_SetError("Unable to get terminal attributes"); | |
| 176 if ( keyboard_fd > 0 ) { | |
| 177 close(keyboard_fd); | |
| 178 } | |
| 179 keyboard_fd = -1; | |
| 180 return(-1); | |
| 181 } | |
| 182 if ( ioctl(keyboard_fd, KDGKBMODE, &saved_kbd_mode) < 0 ) { | |
| 183 SDL_SetError("Unable to get current keyboard mode"); | |
| 184 if ( keyboard_fd > 0 ) { | |
| 185 close(keyboard_fd); | |
| 186 } | |
| 187 keyboard_fd = -1; | |
| 188 return(-1); | |
| 189 } | |
| 190 keyboard_termios = saved_kbd_termios; | |
| 191 keyboard_termios.c_lflag &= ~(ICANON | ECHO | ISIG); | |
| 192 keyboard_termios.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON); | |
| 193 keyboard_termios.c_cc[VMIN] = 0; | |
| 194 keyboard_termios.c_cc[VTIME] = 0; | |
| 195 if (tcsetattr(keyboard_fd, TCSAFLUSH, &keyboard_termios) < 0) { | |
| 196 FB_CloseKeyboard(this); | |
| 197 SDL_SetError("Unable to set terminal attributes"); | |
| 198 return(-1); | |
| 199 } | |
| 200 /* This will fail if we aren't root or this isn't our tty */ | |
| 201 if ( ioctl(keyboard_fd, KDSKBMODE, K_MEDIUMRAW) < 0 ) { | |
| 202 FB_CloseKeyboard(this); | |
| 203 SDL_SetError("Unable to set keyboard in raw mode"); | |
| 204 return(-1); | |
| 205 } | |
| 206 if ( ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS) < 0 ) { | |
| 207 FB_CloseKeyboard(this); | |
| 208 SDL_SetError("Unable to set keyboard in graphics mode"); | |
| 209 return(-1); | |
| 210 } | |
| 211 } | |
| 212 return(keyboard_fd); | |
| 213 } | |
| 214 | |
| 215 void FB_LeaveGraphicsMode(_THIS) | |
| 216 { | |
| 217 if ( FB_InGraphicsMode(this) ) { | |
| 218 ioctl(keyboard_fd, KDSETMODE, KD_TEXT); | |
| 219 ioctl(keyboard_fd, KDSKBMODE, saved_kbd_mode); | |
| 220 tcsetattr(keyboard_fd, TCSAFLUSH, &saved_kbd_termios); | |
| 221 saved_kbd_mode = -1; | |
| 222 | |
| 223 /* Head back over to the original virtual terminal */ | |
| 224 if ( saved_vt > 0 ) { | |
| 225 ioctl(keyboard_fd, VT_ACTIVATE, saved_vt); | |
| 226 } | |
| 227 } | |
| 228 } | |
| 229 | |
| 230 void FB_CloseKeyboard(_THIS) | |
| 231 { | |
| 232 if ( keyboard_fd >= 0 ) { | |
| 233 FB_LeaveGraphicsMode(this); | |
| 234 if ( keyboard_fd > 0 ) { | |
| 235 close(keyboard_fd); | |
| 236 } | |
| 237 } | |
| 238 keyboard_fd = -1; | |
| 239 } | |
| 240 | |
| 241 int FB_OpenKeyboard(_THIS) | |
| 242 { | |
| 243 /* Open only if not already opened */ | |
| 244 if ( keyboard_fd < 0 ) { | |
|
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245 static const char * const tty0[] = { "/dev/tty0", "/dev/vc/0", NULL }; |
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246 static const char * const vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL }; |
| 0 | 247 int i, tty0_fd; |
| 248 | |
| 249 /* Try to query for a free virtual terminal */ | |
| 250 tty0_fd = -1; | |
| 251 for ( i=0; tty0[i] && (tty0_fd < 0); ++i ) { | |
| 252 tty0_fd = open(tty0[i], O_WRONLY, 0); | |
| 253 } | |
| 254 if ( tty0_fd < 0 ) { | |
| 255 tty0_fd = dup(0); /* Maybe stdin is a VT? */ | |
| 256 } | |
| 257 ioctl(tty0_fd, VT_OPENQRY, ¤t_vt); | |
| 258 close(tty0_fd); | |
| 259 if ( (geteuid() == 0) && (current_vt > 0) ) { | |
| 260 for ( i=0; vcs[i] && (keyboard_fd < 0); ++i ) { | |
| 261 char vtpath[12]; | |
| 262 | |
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263 SDL_snprintf(vtpath, SDL_arraysize(vtpath), vcs[i], current_vt); |
| 0 | 264 keyboard_fd = open(vtpath, O_RDWR, 0); |
| 265 #ifdef DEBUG_KEYBOARD | |
| 266 fprintf(stderr, "vtpath = %s, fd = %d\n", | |
| 267 vtpath, keyboard_fd); | |
| 268 #endif /* DEBUG_KEYBOARD */ | |
| 269 | |
| 270 /* This needs to be our controlling tty | |
| 271 so that the kernel ioctl() calls work | |
| 272 */ | |
| 273 if ( keyboard_fd >= 0 ) { | |
| 274 tty0_fd = open("/dev/tty", O_RDWR, 0); | |
| 275 if ( tty0_fd >= 0 ) { | |
| 276 ioctl(tty0_fd, TIOCNOTTY, 0); | |
| 277 close(tty0_fd); | |
| 278 } | |
| 279 } | |
| 280 } | |
| 281 } | |
| 282 if ( keyboard_fd < 0 ) { | |
| 283 /* Last resort, maybe our tty is a usable VT */ | |
| 284 current_vt = 0; | |
| 285 keyboard_fd = open("/dev/tty", O_RDWR); | |
| 286 } | |
| 287 #ifdef DEBUG_KEYBOARD | |
| 288 fprintf(stderr, "Current VT: %d\n", current_vt); | |
| 289 #endif | |
| 290 saved_kbd_mode = -1; | |
| 291 | |
| 292 /* Make sure that our input is a console terminal */ | |
| 293 { int dummy; | |
| 294 if ( ioctl(keyboard_fd, KDGKBMODE, &dummy) < 0 ) { | |
| 295 close(keyboard_fd); | |
| 296 keyboard_fd = -1; | |
| 297 SDL_SetError("Unable to open a console terminal"); | |
| 298 } | |
| 299 } | |
| 300 | |
| 301 /* Set up keymap */ | |
| 302 FB_vgainitkeymaps(keyboard_fd); | |
| 303 } | |
| 304 return(keyboard_fd); | |
| 305 } | |
| 306 | |
| 307 static enum { | |
| 308 MOUSE_NONE = -1, | |
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309 MOUSE_MSC, /* Note: GPM uses the MSC protocol */ |
| 0 | 310 MOUSE_PS2, |
| 311 MOUSE_IMPS2, | |
| 312 MOUSE_MS, | |
| 313 MOUSE_BM, | |
| 314 MOUSE_ELO, | |
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315 MOUSE_TSLIB, |
| 0 | 316 NUM_MOUSE_DRVS |
| 317 } mouse_drv = MOUSE_NONE; | |
| 318 | |
| 319 void FB_CloseMouse(_THIS) | |
| 320 { | |
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321 #if SDL_INPUT_TSLIB |
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322 if (ts_dev != NULL) { |
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323 ts_close(ts_dev); |
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324 ts_dev = NULL; |
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325 mouse_fd = -1; |
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326 } |
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327 #endif /* SDL_INPUT_TSLIB */ |
| 0 | 328 if ( mouse_fd > 0 ) { |
| 329 close(mouse_fd); | |
| 330 } | |
| 331 mouse_fd = -1; | |
| 332 } | |
| 333 | |
| 334 /* Returns processes listed in /proc with the desired name */ | |
| 335 static int find_pid(DIR *proc, const char *wanted_name) | |
| 336 { | |
| 337 struct dirent *entry; | |
| 338 int pid; | |
| 339 | |
| 340 /* First scan proc for the gpm process */ | |
| 341 pid = 0; | |
| 342 while ( (pid == 0) && ((entry=readdir(proc)) != NULL) ) { | |
| 343 if ( isdigit(entry->d_name[0]) ) { | |
| 344 FILE *status; | |
| 345 char path[PATH_MAX]; | |
| 346 char name[PATH_MAX]; | |
| 347 | |
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348 SDL_snprintf(path, SDL_arraysize(path), "/proc/%s/status", entry->d_name); |
| 0 | 349 status=fopen(path, "r"); |
| 350 if ( status ) { | |
| 351 name[0] = '\0'; | |
| 352 fscanf(status, "Name: %s", name); | |
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353 if ( SDL_strcmp(name, wanted_name) == 0 ) { |
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354 pid = SDL_atoi(entry->d_name); |
| 0 | 355 } |
| 356 fclose(status); | |
| 357 } | |
| 358 } | |
| 359 } | |
| 360 return pid; | |
| 361 } | |
| 362 | |
| 363 /* Returns true if /dev/gpmdata is being written to by gpm */ | |
| 1772 | 364 static int gpm_available(char *proto, size_t protolen) |
| 0 | 365 { |
| 366 int available; | |
| 367 DIR *proc; | |
| 368 int pid; | |
| 369 int cmdline, len, arglen; | |
| 370 char path[PATH_MAX]; | |
| 371 char args[PATH_MAX], *arg; | |
| 372 | |
| 373 /* Don't bother looking if the fifo isn't there */ | |
| 1772 | 374 #ifdef DEBUG_MOUSE |
| 375 fprintf(stderr,"testing gpm\n"); | |
| 376 #endif | |
| 0 | 377 if ( access(GPM_NODE_FIFO, F_OK) < 0 ) { |
| 378 return(0); | |
| 379 } | |
| 380 | |
| 381 available = 0; | |
| 382 proc = opendir("/proc"); | |
| 383 if ( proc ) { | |
| 1772 | 384 char raw_proto[10] = { '\0' }; |
| 385 char repeat_proto[10] = { '\0' }; | |
| 386 while ( !available && (pid=find_pid(proc, "gpm")) > 0 ) { | |
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387 SDL_snprintf(path, SDL_arraysize(path), "/proc/%d/cmdline", pid); |
| 0 | 388 cmdline = open(path, O_RDONLY, 0); |
| 389 if ( cmdline >= 0 ) { | |
| 390 len = read(cmdline, args, sizeof(args)); | |
| 391 arg = args; | |
| 392 while ( len > 0 ) { | |
| 1772 | 393 arglen = SDL_strlen(arg)+1; |
| 394 #ifdef DEBUG_MOUSE | |
| 395 fprintf(stderr,"gpm arg %s len %d\n",arg,arglen); | |
| 396 #endif | |
| 397 if ( SDL_strcmp(arg, "-t") == 0) { | |
| 398 /* protocol string, keep it for later */ | |
| 399 char *t, *s; | |
| 400 t = arg + arglen; | |
| 401 s = SDL_strchr(t, ' '); | |
| 402 if (s) *s = 0; | |
| 403 SDL_strncpy(raw_proto, t, SDL_arraysize(raw_proto)); | |
| 404 if (s) *s = ' '; | |
| 405 } | |
| 406 if ( SDL_strncmp(arg, "-R", 2) == 0 ) { | |
| 407 char *t, *s; | |
| 0 | 408 available = 1; |
| 1772 | 409 t = arg + 2; |
| 410 s = SDL_strchr(t, ' '); | |
| 411 if (s) *s = 0; | |
| 412 SDL_strncpy(repeat_proto, t, SDL_arraysize(repeat_proto)); | |
| 413 if (s) *s = ' '; | |
| 0 | 414 } |
| 415 len -= arglen; | |
| 416 arg += arglen; | |
| 417 } | |
| 418 close(cmdline); | |
| 419 } | |
| 420 } | |
| 421 closedir(proc); | |
| 1772 | 422 |
| 423 if ( available ) { | |
| 424 if ( SDL_strcmp(repeat_proto, "raw") == 0 ) { | |
| 425 SDL_strlcpy(proto, raw_proto, protolen); | |
| 426 } else if ( *repeat_proto ) { | |
| 427 SDL_strlcpy(proto, repeat_proto, protolen); | |
| 428 } else { | |
| 429 SDL_strlcpy(proto, "msc", protolen); | |
| 430 } | |
| 431 } | |
| 0 | 432 } |
| 433 return available; | |
| 434 } | |
| 435 | |
| 59 | 436 |
| 437 /* rcg06112001 Set up IMPS/2 mode, if possible. This gives | |
| 438 * us access to the mousewheel, etc. Returns zero if | |
| 439 * writes to device failed, but you still need to query the | |
| 440 * device to see which mode it's actually in. | |
| 441 */ | |
| 442 static int set_imps2_mode(int fd) | |
| 443 { | |
| 444 /* If you wanted to control the mouse mode (and we do :) ) ... | |
| 445 Set IMPS/2 protocol: | |
| 446 {0xf3,200,0xf3,100,0xf3,80} | |
| 447 Reset mouse device: | |
| 448 {0xFF} | |
| 449 */ | |
| 450 Uint8 set_imps2[] = {0xf3, 200, 0xf3, 100, 0xf3, 80}; | |
| 451 Uint8 reset = 0xff; | |
| 452 fd_set fdset; | |
| 453 struct timeval tv; | |
| 454 int retval = 0; | |
| 455 | |
| 456 if ( write(fd, &set_imps2, sizeof(set_imps2)) == sizeof(set_imps2) ) { | |
| 1584 | 457 /* Don't reset it, that'll clear IMPS/2 mode on some mice |
| 59 | 458 if (write(fd, &reset, sizeof (reset)) == sizeof (reset) ) { |
| 459 retval = 1; | |
| 460 } | |
| 1584 | 461 */ |
| 59 | 462 } |
| 463 | |
| 464 /* Get rid of any chatter from the above */ | |
| 465 FD_ZERO(&fdset); | |
| 466 FD_SET(fd, &fdset); | |
| 467 tv.tv_sec = 0; | |
| 468 tv.tv_usec = 0; | |
| 469 while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) { | |
| 470 char temp[32]; | |
| 471 read(fd, temp, sizeof(temp)); | |
| 472 } | |
| 473 | |
| 474 return retval; | |
| 475 } | |
| 476 | |
| 477 | |
| 0 | 478 /* Returns true if the mouse uses the IMPS/2 protocol */ |
| 479 static int detect_imps2(int fd) | |
| 480 { | |
| 481 int imps2; | |
| 482 | |
| 483 imps2 = 0; | |
| 59 | 484 |
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485 if ( SDL_getenv("SDL_MOUSEDEV_IMPS2") ) { |
| 0 | 486 imps2 = 1; |
| 487 } | |
| 488 if ( ! imps2 ) { | |
| 59 | 489 Uint8 query_ps2 = 0xF2; |
| 0 | 490 fd_set fdset; |
| 491 struct timeval tv; | |
| 492 | |
| 493 /* Get rid of any mouse motion noise */ | |
| 494 FD_ZERO(&fdset); | |
| 495 FD_SET(fd, &fdset); | |
| 496 tv.tv_sec = 0; | |
| 497 tv.tv_usec = 0; | |
| 498 while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) { | |
| 499 char temp[32]; | |
| 500 read(fd, temp, sizeof(temp)); | |
| 501 } | |
| 502 | |
| 59 | 503 /* Query for the type of mouse protocol */ |
| 504 if ( write(fd, &query_ps2, sizeof (query_ps2)) == sizeof (query_ps2)) { | |
| 505 Uint8 ch = 0; | |
| 0 | 506 |
| 507 /* Get the mouse protocol response */ | |
| 508 do { | |
| 509 FD_ZERO(&fdset); | |
| 510 FD_SET(fd, &fdset); | |
| 511 tv.tv_sec = 1; | |
| 512 tv.tv_usec = 0; | |
| 513 if ( select(fd+1, &fdset, 0, 0, &tv) < 1 ) { | |
| 514 break; | |
| 515 } | |
| 59 | 516 } while ( (read(fd, &ch, sizeof (ch)) == sizeof (ch)) && |
| 0 | 517 ((ch == 0xFA) || (ch == 0xAA)) ); |
| 518 | |
| 519 /* Experimental values (Logitech wheelmouse) */ | |
| 520 #ifdef DEBUG_MOUSE | |
| 521 fprintf(stderr, "Last mouse mode: 0x%x\n", ch); | |
| 522 #endif | |
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523 if ( (ch == 3) || (ch == 4) ) { |
| 0 | 524 imps2 = 1; |
| 525 } | |
| 526 } | |
| 527 } | |
| 528 return imps2; | |
| 529 } | |
| 530 | |
| 531 int FB_OpenMouse(_THIS) | |
| 532 { | |
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533 int i; |
| 0 | 534 const char *mousedev; |
| 535 const char *mousedrv; | |
| 536 | |
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537 mousedrv = SDL_getenv("SDL_MOUSEDRV"); |
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538 mousedev = SDL_getenv("SDL_MOUSEDEV"); |
| 0 | 539 mouse_fd = -1; |
| 540 | |
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541 #if SDL_INPUT_TSLIB |
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542 if ( mousedrv && (SDL_strcmp(mousedrv, "TSLIB") == 0) ) { |
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543 if (mousedev == NULL) mousedev = SDL_getenv("TSLIB_TSDEVICE"); |
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544 if (mousedev != NULL) { |
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545 ts_dev = ts_open(mousedev, 1); |
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546 if ((ts_dev != NULL) && (ts_config(ts_dev) >= 0)) { |
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547 #ifdef DEBUG_MOUSE |
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548 fprintf(stderr, "Using tslib touchscreen\n"); |
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549 #endif |
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550 mouse_drv = MOUSE_TSLIB; |
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551 mouse_fd = ts_fd(ts_dev); |
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552 return mouse_fd; |
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553 } |
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554 } |
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555 mouse_drv = MOUSE_NONE; |
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556 return mouse_fd; |
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557 } |
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558 #endif /* SDL_INPUT_TSLIB */ |
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559 |
| 0 | 560 /* ELO TOUCHSCREEN SUPPORT */ |
| 561 | |
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562 if ( mousedrv && (SDL_strcmp(mousedrv, "ELO") == 0) ) { |
| 0 | 563 mouse_fd = open(mousedev, O_RDWR); |
| 564 if ( mouse_fd >= 0 ) { | |
| 565 if(eloInitController(mouse_fd)) { | |
| 566 #ifdef DEBUG_MOUSE | |
| 567 fprintf(stderr, "Using ELO touchscreen\n"); | |
| 568 #endif | |
| 569 mouse_drv = MOUSE_ELO; | |
| 570 } | |
| 571 | |
| 572 } | |
| 573 else if ( mouse_fd < 0 ) { | |
| 574 mouse_drv = MOUSE_NONE; | |
| 575 } | |
| 576 | |
| 577 return(mouse_fd); | |
| 578 } | |
| 579 | |
| 580 /* STD MICE */ | |
| 581 | |
| 582 if ( mousedev == NULL ) { | |
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583 /* FIXME someday... allow multiple mice in this driver */ |
| 1584 | 584 static const char *ps2mice[] = { |
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585 "/dev/input/mice", "/dev/usbmouse", "/dev/psaux", NULL |
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586 }; |
| 0 | 587 /* First try to use GPM in repeater mode */ |
| 588 if ( mouse_fd < 0 ) { | |
| 1772 | 589 char proto[10]; |
| 590 if ( gpm_available(proto, SDL_arraysize(proto)) ) { | |
| 0 | 591 mouse_fd = open(GPM_NODE_FIFO, O_RDONLY, 0); |
| 592 if ( mouse_fd >= 0 ) { | |
| 1772 | 593 if ( SDL_strcmp(proto, "msc") == 0 ) { |
| 594 mouse_drv = MOUSE_MSC; | |
| 595 } else if ( SDL_strcmp(proto, "ps2") == 0 ) { | |
| 596 mouse_drv = MOUSE_PS2; | |
| 597 } else if ( SDL_strcmp(proto, "imps2") == 0 ) { | |
| 598 mouse_drv = MOUSE_IMPS2; | |
| 599 } else if ( SDL_strcmp(proto, "ms") == 0 || | |
| 600 SDL_strcmp(proto, "bare") == 0 ) { | |
| 601 mouse_drv = MOUSE_MS; | |
| 602 } else if ( SDL_strcmp(proto, "bm") == 0 ) { | |
| 603 mouse_drv = MOUSE_BM; | |
| 604 } else { | |
| 605 /* Unknown protocol... */ | |
| 0 | 606 #ifdef DEBUG_MOUSE |
| 1772 | 607 fprintf(stderr, "GPM mouse using unknown protocol = %s\n", proto); |
| 0 | 608 #endif |
| 1772 | 609 close(mouse_fd); |
| 610 mouse_fd = -1; | |
| 611 } | |
| 0 | 612 } |
| 1772 | 613 #ifdef DEBUG_MOUSE |
| 614 if ( mouse_fd >= 0 ) { | |
| 615 fprintf(stderr, "Using GPM mouse, protocol = %s\n", proto); | |
| 616 } | |
| 617 #endif /* DEBUG_MOUSE */ | |
| 0 | 618 } |
| 619 } | |
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620 /* Now try to use a modern PS/2 mouse */ |
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621 for ( i=0; (mouse_fd < 0) && ps2mice[i]; ++i ) { |
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622 mouse_fd = open(ps2mice[i], O_RDWR, 0); |
| 59 | 623 if (mouse_fd < 0) { |
|
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624 mouse_fd = open(ps2mice[i], O_RDONLY, 0); |
| 59 | 625 } |
| 626 if (mouse_fd >= 0) { | |
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627 /* rcg06112001 Attempt to set IMPS/2 mode */ |
| 1584 | 628 set_imps2_mode(mouse_fd); |
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629 if (detect_imps2(mouse_fd)) { |
| 0 | 630 #ifdef DEBUG_MOUSE |
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631 fprintf(stderr, "Using IMPS2 mouse\n"); |
| 0 | 632 #endif |
| 633 mouse_drv = MOUSE_IMPS2; | |
| 634 } else { | |
| 635 #ifdef DEBUG_MOUSE | |
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636 fprintf(stderr, "Using PS2 mouse\n"); |
| 0 | 637 #endif |
| 638 mouse_drv = MOUSE_PS2; | |
| 639 } | |
| 640 } | |
| 641 } | |
| 642 /* Next try to use a PPC ADB port mouse */ | |
| 643 if ( mouse_fd < 0 ) { | |
| 644 mouse_fd = open("/dev/adbmouse", O_RDONLY, 0); | |
| 645 if ( mouse_fd >= 0 ) { | |
| 646 #ifdef DEBUG_MOUSE | |
| 647 fprintf(stderr, "Using ADB mouse\n"); | |
| 648 #endif | |
| 649 mouse_drv = MOUSE_BM; | |
| 650 } | |
| 651 } | |
| 652 } | |
| 653 /* Default to a serial Microsoft mouse */ | |
| 654 if ( mouse_fd < 0 ) { | |
| 655 if ( mousedev == NULL ) { | |
| 656 mousedev = "/dev/mouse"; | |
| 657 } | |
| 658 mouse_fd = open(mousedev, O_RDONLY, 0); | |
| 659 if ( mouse_fd >= 0 ) { | |
| 660 struct termios mouse_termios; | |
| 661 | |
| 662 /* Set the sampling speed to 1200 baud */ | |
| 663 tcgetattr(mouse_fd, &mouse_termios); | |
| 664 mouse_termios.c_iflag = IGNBRK | IGNPAR; | |
| 665 mouse_termios.c_oflag = 0; | |
| 666 mouse_termios.c_lflag = 0; | |
| 667 mouse_termios.c_line = 0; | |
| 668 mouse_termios.c_cc[VTIME] = 0; | |
| 669 mouse_termios.c_cc[VMIN] = 1; | |
| 670 mouse_termios.c_cflag = CREAD | CLOCAL | HUPCL; | |
| 671 mouse_termios.c_cflag |= CS8; | |
| 672 mouse_termios.c_cflag |= B1200; | |
| 673 tcsetattr(mouse_fd, TCSAFLUSH, &mouse_termios); | |
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674 if ( mousedrv && (SDL_strcmp(mousedrv, "PS2") == 0) ) { |
| 0 | 675 #ifdef DEBUG_MOUSE |
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676 fprintf(stderr, "Using (user specified) PS2 mouse on %s\n", mousedev); |
| 0 | 677 #endif |
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678 mouse_drv = MOUSE_PS2; |
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679 } else { |
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680 #ifdef DEBUG_MOUSE |
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681 fprintf(stderr, "Using (default) MS mouse on %s\n", mousedev); |
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682 #endif |
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683 mouse_drv = MOUSE_MS; |
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684 } |
| 0 | 685 } |
| 686 } | |
| 687 if ( mouse_fd < 0 ) { | |
| 688 mouse_drv = MOUSE_NONE; | |
| 689 } | |
| 690 return(mouse_fd); | |
| 691 } | |
| 692 | |
| 693 static int posted = 0; | |
| 694 | |
| 695 void FB_vgamousecallback(int button, int relative, int dx, int dy) | |
| 696 { | |
| 697 int button_1, button_3; | |
| 698 int button_state; | |
| 699 int state_changed; | |
| 700 int i; | |
| 701 Uint8 state; | |
| 702 | |
| 703 if ( dx || dy ) { | |
| 704 posted += SDL_PrivateMouseMotion(0, relative, dx, dy); | |
| 705 } | |
| 706 | |
| 707 /* Swap button 1 and 3 */ | |
| 708 button_1 = (button & 0x04) >> 2; | |
| 709 button_3 = (button & 0x01) << 2; | |
| 710 button &= ~0x05; | |
| 711 button |= (button_1|button_3); | |
| 712 | |
| 713 /* See what changed */ | |
| 714 button_state = SDL_GetMouseState(NULL, NULL); | |
| 715 state_changed = button_state ^ button; | |
| 716 for ( i=0; i<8; ++i ) { | |
| 717 if ( state_changed & (1<<i) ) { | |
| 718 if ( button & (1<<i) ) { | |
| 719 state = SDL_PRESSED; | |
| 720 } else { | |
| 721 state = SDL_RELEASED; | |
| 722 } | |
| 723 posted += SDL_PrivateMouseButton(state, i+1, 0, 0); | |
| 724 } | |
| 725 } | |
| 726 } | |
| 727 | |
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728 /* Handle input from tslib */ |
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729 #if SDL_INPUT_TSLIB |
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730 static void handle_tslib(_THIS) |
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731 { |
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732 struct ts_sample sample; |
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Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
1022
diff
changeset
|
733 int button; |
|
718d00094f82
Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
1022
diff
changeset
|
734 |
|
718d00094f82
Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
1022
diff
changeset
|
735 while (ts_read(ts_dev, &sample, 1) > 0) { |
|
718d00094f82
Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
1022
diff
changeset
|
736 button = (sample.pressure > 0) ? 1 : 0; |
|
718d00094f82
Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
737 button <<= 2; /* must report it as button 3 */ |
| 1323 | 738 FB_vgamousecallback(button, 0, sample.x, sample.y); |
|
1201
718d00094f82
Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
1022
diff
changeset
|
739 } |
|
718d00094f82
Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
1022
diff
changeset
|
740 return; |
|
718d00094f82
Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
1022
diff
changeset
|
741 } |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1359
diff
changeset
|
742 #endif /* SDL_INPUT_TSLIB */ |
|
1201
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Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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|
743 |
|
109
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
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parents:
104
diff
changeset
|
744 /* For now, use MSC, PS/2, and MS protocols |
| 0 | 745 Driver adapted from the SVGAlib mouse driver code (taken from gpm, etc.) |
| 746 */ | |
| 747 static void handle_mouse(_THIS) | |
| 748 { | |
| 749 static int start = 0; | |
| 750 static unsigned char mousebuf[BUFSIZ]; | |
| 751 static int relative = 1; | |
| 752 | |
| 753 int i, nread; | |
| 754 int button = 0; | |
| 755 int dx = 0, dy = 0; | |
| 756 int packetsize = 0; | |
|
4
4f6c5f021323
Date: Thu, 26 Apr 2001 10:46:23 +0200
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
757 int realx, realy; |
|
4f6c5f021323
Date: Thu, 26 Apr 2001 10:46:23 +0200
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
758 |
| 0 | 759 /* Figure out the mouse packet size */ |
| 760 switch (mouse_drv) { | |
| 761 case MOUSE_NONE: | |
| 762 /* Ack! */ | |
| 763 read(mouse_fd, mousebuf, BUFSIZ); | |
| 764 return; | |
|
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Fixed switching away from the SDL at the framebuffer console
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104
diff
changeset
|
765 case MOUSE_MSC: |
| 0 | 766 packetsize = 5; |
| 767 break; | |
| 768 case MOUSE_IMPS2: | |
| 769 packetsize = 4; | |
| 770 break; | |
| 771 case MOUSE_PS2: | |
| 772 case MOUSE_MS: | |
| 773 case MOUSE_BM: | |
| 774 packetsize = 3; | |
| 775 break; | |
| 776 case MOUSE_ELO: | |
| 1323 | 777 /* try to read the next packet */ |
| 778 if(eloReadPosition(this, mouse_fd, &dx, &dy, &button, &realx, &realy)) { | |
| 779 button = (button & 0x01) << 2; | |
| 780 FB_vgamousecallback(button, 0, dx, dy); | |
| 781 } | |
| 782 return; /* nothing left to do */ | |
|
1201
718d00094f82
Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
1022
diff
changeset
|
783 case MOUSE_TSLIB: |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1359
diff
changeset
|
784 #if SDL_INPUT_TSLIB |
|
1201
718d00094f82
Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
1022
diff
changeset
|
785 handle_tslib(this); |
|
718d00094f82
Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
1022
diff
changeset
|
786 #endif |
|
718d00094f82
Date: Sat, 10 Dec 2005 18:29:41 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
1022
diff
changeset
|
787 return; /* nothing left to do */ |
| 1323 | 788 default: |
| 0 | 789 /* Uh oh.. */ |
| 790 packetsize = 0; | |
| 791 break; | |
| 792 } | |
| 793 | |
|
4
4f6c5f021323
Date: Thu, 26 Apr 2001 10:46:23 +0200
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
794 /* Special handling for the quite sensitive ELO controller */ |
|
4f6c5f021323
Date: Thu, 26 Apr 2001 10:46:23 +0200
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
795 if (mouse_drv == MOUSE_ELO) { |
|
4f6c5f021323
Date: Thu, 26 Apr 2001 10:46:23 +0200
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
796 |
|
4f6c5f021323
Date: Thu, 26 Apr 2001 10:46:23 +0200
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
797 } |
|
4f6c5f021323
Date: Thu, 26 Apr 2001 10:46:23 +0200
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
798 |
| 0 | 799 /* Read as many packets as possible */ |
| 800 nread = read(mouse_fd, &mousebuf[start], BUFSIZ-start); | |
| 801 if ( nread < 0 ) { | |
| 802 return; | |
| 803 } | |
| 804 nread += start; | |
| 805 #ifdef DEBUG_MOUSE | |
| 806 fprintf(stderr, "Read %d bytes from mouse, start = %d\n", nread, start); | |
| 807 #endif | |
| 808 for ( i=0; i<(nread-(packetsize-1)); i += packetsize ) { | |
| 809 switch (mouse_drv) { | |
| 810 case MOUSE_NONE: | |
| 811 break; | |
|
109
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
104
diff
changeset
|
812 case MOUSE_MSC: |
|
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
104
diff
changeset
|
813 /* MSC protocol has 0x80 in high byte */ |
| 0 | 814 if ( (mousebuf[i] & 0xF8) != 0x80 ) { |
| 815 /* Go to next byte */ | |
| 816 i -= (packetsize-1); | |
| 817 continue; | |
| 818 } | |
| 819 /* Get current mouse state */ | |
| 820 button = (~mousebuf[i]) & 0x07; | |
| 821 dx = (signed char)(mousebuf[i+1]) + | |
| 822 (signed char)(mousebuf[i+3]); | |
| 823 dy = -((signed char)(mousebuf[i+2]) + | |
| 824 (signed char)(mousebuf[i+4])); | |
| 825 break; | |
| 826 case MOUSE_PS2: | |
| 827 /* PS/2 protocol has nothing in high byte */ | |
| 828 if ( (mousebuf[i] & 0xC0) != 0 ) { | |
| 829 /* Go to next byte */ | |
| 830 i -= (packetsize-1); | |
| 831 continue; | |
| 832 } | |
| 833 /* Get current mouse state */ | |
| 834 button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/ | |
| 835 (mousebuf[i] & 0x02) >> 1 | /*Right*/ | |
| 836 (mousebuf[i] & 0x01) << 2; /*Left*/ | |
| 837 dx = (mousebuf[i] & 0x10) ? | |
| 838 mousebuf[i+1] - 256 : mousebuf[i+1]; | |
| 839 dy = (mousebuf[i] & 0x20) ? | |
| 840 -(mousebuf[i+2] - 256) : -mousebuf[i+2]; | |
| 841 break; | |
| 842 case MOUSE_IMPS2: | |
| 843 /* Get current mouse state */ | |
| 844 button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/ | |
| 845 (mousebuf[i] & 0x02) >> 1 | /*Right*/ | |
| 846 (mousebuf[i] & 0x01) << 2 | /*Left*/ | |
| 847 (mousebuf[i] & 0x40) >> 3 | /* 4 */ | |
| 848 (mousebuf[i] & 0x80) >> 3; /* 5 */ | |
| 849 dx = (mousebuf[i] & 0x10) ? | |
| 850 mousebuf[i+1] - 256 : mousebuf[i+1]; | |
| 851 dy = (mousebuf[i] & 0x20) ? | |
| 852 -(mousebuf[i+2] - 256) : -mousebuf[i+2]; | |
| 853 switch (mousebuf[i+3]&0x0F) { | |
| 854 case 0x0E: /* DX = +1 */ | |
| 855 case 0x02: /* DX = -1 */ | |
| 856 break; | |
| 857 case 0x0F: /* DY = +1 (map button 4) */ | |
|
132
2604a7be65af
Added button-up with mouse-wheel on framebuffer console
Sam Lantinga <slouken@libsdl.org>
parents:
109
diff
changeset
|
858 FB_vgamousecallback(button | (1<<3), |
|
2604a7be65af
Added button-up with mouse-wheel on framebuffer console
Sam Lantinga <slouken@libsdl.org>
parents:
109
diff
changeset
|
859 1, 0, 0); |
| 0 | 860 break; |
| 861 case 0x01: /* DY = -1 (map button 5) */ | |
|
132
2604a7be65af
Added button-up with mouse-wheel on framebuffer console
Sam Lantinga <slouken@libsdl.org>
parents:
109
diff
changeset
|
862 FB_vgamousecallback(button | (1<<4), |
|
2604a7be65af
Added button-up with mouse-wheel on framebuffer console
Sam Lantinga <slouken@libsdl.org>
parents:
109
diff
changeset
|
863 1, 0, 0); |
| 0 | 864 break; |
| 865 } | |
| 866 break; | |
| 867 case MOUSE_MS: | |
| 868 /* Microsoft protocol has 0x40 in high byte */ | |
| 869 if ( (mousebuf[i] & 0x40) != 0x40 ) { | |
| 870 /* Go to next byte */ | |
| 871 i -= (packetsize-1); | |
| 872 continue; | |
| 873 } | |
| 874 /* Get current mouse state */ | |
| 875 button = ((mousebuf[i] & 0x20) >> 3) | | |
| 876 ((mousebuf[i] & 0x10) >> 4); | |
| 877 dx = (signed char)(((mousebuf[i] & 0x03) << 6) | | |
| 878 (mousebuf[i + 1] & 0x3F)); | |
| 879 dy = (signed char)(((mousebuf[i] & 0x0C) << 4) | | |
| 880 (mousebuf[i + 2] & 0x3F)); | |
| 881 break; | |
| 882 case MOUSE_BM: | |
| 883 /* BusMouse protocol has 0xF8 in high byte */ | |
| 884 if ( (mousebuf[i] & 0xF8) != 0x80 ) { | |
| 885 /* Go to next byte */ | |
| 886 i -= (packetsize-1); | |
| 887 continue; | |
| 888 } | |
| 889 /* Get current mouse state */ | |
| 890 button = (~mousebuf[i]) & 0x07; | |
| 891 dx = (signed char)mousebuf[i+1]; | |
| 892 dy = -(signed char)mousebuf[i+2]; | |
| 893 break; | |
| 1323 | 894 default: |
| 0 | 895 /* Uh oh.. */ |
| 896 dx = 0; | |
| 897 dy = 0; | |
| 898 break; | |
| 899 } | |
| 900 FB_vgamousecallback(button, relative, dx, dy); | |
| 901 } | |
| 902 if ( i < nread ) { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1323
diff
changeset
|
903 SDL_memcpy(mousebuf, &mousebuf[i], (nread-i)); |
| 0 | 904 start = (nread-i); |
| 905 } else { | |
| 906 start = 0; | |
| 907 } | |
| 908 return; | |
| 909 } | |
| 910 | |
|
109
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
104
diff
changeset
|
911 /* Handle switching to another VC, returns when our VC is back. |
|
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
104
diff
changeset
|
912 This isn't necessarily the best solution. For SDL 1.3 we need |
|
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
104
diff
changeset
|
913 a way of notifying the application when we lose access to the |
|
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
104
diff
changeset
|
914 video hardware and when we regain it. |
|
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
104
diff
changeset
|
915 */ |
| 0 | 916 static void switch_vt(_THIS, unsigned short which) |
| 917 { | |
|
1241
4b2146866b82
Properly restore vidmode when switching back to SDL's virtual terminal with
Ryan C. Gordon <icculus@icculus.org>
parents:
1201
diff
changeset
|
918 struct fb_var_screeninfo vinfo; |
| 0 | 919 struct vt_stat vtstate; |
|
1022
3d4f1930ed02
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
920 unsigned short v_active; |
|
1585
980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents:
1584
diff
changeset
|
921 __u16 saved_pal[3*256]; |
| 0 | 922 SDL_Surface *screen; |
| 923 Uint32 screen_arealen; | |
|
1585
980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents:
1584
diff
changeset
|
924 Uint8 *screen_contents = NULL; |
| 0 | 925 |
| 926 /* Figure out whether or not we're switching to a new console */ | |
| 927 if ( (ioctl(keyboard_fd, VT_GETSTATE, &vtstate) < 0) || | |
| 928 (which == vtstate.v_active) ) { | |
| 929 return; | |
| 930 } | |
|
1022
3d4f1930ed02
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
931 v_active = vtstate.v_active; |
| 0 | 932 |
| 933 /* Save the contents of the screen, and go to text mode */ | |
| 934 SDL_mutexP(hw_lock); | |
|
109
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
104
diff
changeset
|
935 wait_idle(this); |
| 0 | 936 screen = SDL_VideoSurface; |
|
1585
980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents:
1584
diff
changeset
|
937 if ( !SDL_ShadowSurface ) { |
|
980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents:
1584
diff
changeset
|
938 screen_arealen = (screen->h*screen->pitch); |
|
980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents:
1584
diff
changeset
|
939 screen_contents = (Uint8 *)SDL_malloc(screen_arealen); |
|
980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents:
1584
diff
changeset
|
940 if ( screen_contents ) { |
|
980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents:
1584
diff
changeset
|
941 SDL_memcpy(screen_contents, (Uint8 *)screen->pixels + screen->offset, screen_arealen); |
|
980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents:
1584
diff
changeset
|
942 } |
| 0 | 943 } |
| 944 FB_SavePaletteTo(this, 256, saved_pal); | |
|
1241
4b2146866b82
Properly restore vidmode when switching back to SDL's virtual terminal with
Ryan C. Gordon <icculus@icculus.org>
parents:
1201
diff
changeset
|
945 ioctl(console_fd, FBIOGET_VSCREENINFO, &vinfo); |
| 0 | 946 ioctl(keyboard_fd, KDSETMODE, KD_TEXT); |
| 947 | |
| 948 /* New console, switch to it */ | |
| 949 if ( ioctl(keyboard_fd, VT_ACTIVATE, which) == 0 ) { | |
| 950 /* Wait for our console to be activated again */ | |
| 951 ioctl(keyboard_fd, VT_WAITACTIVE, which); | |
|
1022
3d4f1930ed02
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
952 while ( ioctl(keyboard_fd, VT_WAITACTIVE, v_active) < 0 ) { |
| 0 | 953 if ( (errno != EINTR) && (errno != EAGAIN) ) { |
| 954 /* Unknown VT error - cancel this */ | |
| 955 break; | |
| 956 } | |
| 957 SDL_Delay(500); | |
| 958 } | |
| 959 } | |
| 960 | |
| 961 /* Restore graphics mode and the contents of the screen */ | |
| 962 ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS); | |
|
1241
4b2146866b82
Properly restore vidmode when switching back to SDL's virtual terminal with
Ryan C. Gordon <icculus@icculus.org>
parents:
1201
diff
changeset
|
963 ioctl(console_fd, FBIOPUT_VSCREENINFO, &vinfo); |
| 0 | 964 FB_RestorePaletteFrom(this, 256, saved_pal); |
| 965 if ( screen_contents ) { | |
|
1585
980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents:
1584
diff
changeset
|
966 SDL_memcpy((Uint8 *)screen->pixels + screen->offset, screen_contents, screen_arealen); |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1323
diff
changeset
|
967 SDL_free(screen_contents); |
|
1585
980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents:
1584
diff
changeset
|
968 } else { |
|
980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
Sam Lantinga <slouken@libsdl.org>
parents:
1584
diff
changeset
|
969 SDL_UpdateRect(screen, 0, 0, 0, 0); |
| 0 | 970 } |
| 971 SDL_mutexV(hw_lock); | |
| 972 } | |
| 973 | |
| 974 static void handle_keyboard(_THIS) | |
| 975 { | |
| 976 unsigned char keybuf[BUFSIZ]; | |
| 977 int i, nread; | |
| 978 int pressed; | |
| 979 int scancode; | |
| 980 SDL_keysym keysym; | |
| 981 | |
| 982 nread = read(keyboard_fd, keybuf, BUFSIZ); | |
| 983 for ( i=0; i<nread; ++i ) { | |
| 984 scancode = keybuf[i] & 0x7F; | |
| 985 if ( keybuf[i] & 0x80 ) { | |
| 986 pressed = SDL_RELEASED; | |
| 987 } else { | |
| 988 pressed = SDL_PRESSED; | |
| 989 } | |
| 990 TranslateKey(scancode, &keysym); | |
| 1582 | 991 /* Handle Ctrl-Alt-FN for vt switch */ |
| 0 | 992 switch (keysym.sym) { |
| 993 case SDLK_F1: | |
| 994 case SDLK_F2: | |
| 995 case SDLK_F3: | |
| 996 case SDLK_F4: | |
| 997 case SDLK_F5: | |
| 998 case SDLK_F6: | |
| 999 case SDLK_F7: | |
| 1000 case SDLK_F8: | |
| 1001 case SDLK_F9: | |
| 1002 case SDLK_F10: | |
| 1003 case SDLK_F11: | |
| 1004 case SDLK_F12: | |
| 1582 | 1005 if ( (SDL_GetModState() & KMOD_CTRL) && |
| 1006 (SDL_GetModState() & KMOD_ALT) ) { | |
|
109
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
104
diff
changeset
|
1007 if ( pressed ) { |
|
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
104
diff
changeset
|
1008 switch_vt(this, (keysym.sym-SDLK_F1)+1); |
|
5a9c36a45db1
Fixed switching away from the SDL at the framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
104
diff
changeset
|
1009 } |
| 0 | 1010 break; |
| 1011 } | |
| 1012 /* Fall through to normal processing */ | |
| 1013 default: | |
| 1014 posted += SDL_PrivateKeyboard(pressed, &keysym); | |
| 1015 break; | |
| 1016 } | |
| 1017 } | |
| 1018 } | |
| 1019 | |
| 1020 void FB_PumpEvents(_THIS) | |
| 1021 { | |
| 1022 fd_set fdset; | |
| 1023 int max_fd; | |
| 1024 static struct timeval zero; | |
| 1025 | |
| 1026 do { | |
| 1027 posted = 0; | |
| 1028 | |
| 1029 FD_ZERO(&fdset); | |
| 1030 max_fd = 0; | |
| 1031 if ( keyboard_fd >= 0 ) { | |
| 1032 FD_SET(keyboard_fd, &fdset); | |
| 1033 if ( max_fd < keyboard_fd ) { | |
| 1034 max_fd = keyboard_fd; | |
| 1035 } | |
| 1036 } | |
| 1037 if ( mouse_fd >= 0 ) { | |
| 1038 FD_SET(mouse_fd, &fdset); | |
| 1039 if ( max_fd < mouse_fd ) { | |
| 1040 max_fd = mouse_fd; | |
| 1041 } | |
| 1042 } | |
| 1043 if ( select(max_fd+1, &fdset, NULL, NULL, &zero) > 0 ) { | |
| 1044 if ( keyboard_fd >= 0 ) { | |
| 1045 if ( FD_ISSET(keyboard_fd, &fdset) ) { | |
| 1046 handle_keyboard(this); | |
| 1047 } | |
| 1048 } | |
| 1049 if ( mouse_fd >= 0 ) { | |
| 1050 if ( FD_ISSET(mouse_fd, &fdset) ) { | |
| 1051 handle_mouse(this); | |
| 1052 } | |
| 1053 } | |
| 1054 } | |
| 1055 } while ( posted ); | |
| 1056 } | |
| 1057 | |
| 1058 void FB_InitOSKeymap(_THIS) | |
| 1059 { | |
| 1060 int i; | |
| 1061 | |
| 1062 /* Initialize the Linux key translation table */ | |
| 1063 | |
| 1064 /* First get the ascii keys and others not well handled */ | |
|
1379
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Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
1065 for (i=0; i<SDL_arraysize(keymap); ++i) { |
| 0 | 1066 switch(i) { |
| 1067 /* These aren't handled by the x86 kernel keymapping (?) */ | |
| 1068 case SCANCODE_PRINTSCREEN: | |
| 1069 keymap[i] = SDLK_PRINT; | |
| 1070 break; | |
| 1071 case SCANCODE_BREAK: | |
| 1072 keymap[i] = SDLK_BREAK; | |
| 1073 break; | |
| 1074 case SCANCODE_BREAK_ALTERNATIVE: | |
| 1075 keymap[i] = SDLK_PAUSE; | |
| 1076 break; | |
| 1077 case SCANCODE_LEFTSHIFT: | |
| 1078 keymap[i] = SDLK_LSHIFT; | |
| 1079 break; | |
| 1080 case SCANCODE_RIGHTSHIFT: | |
| 1081 keymap[i] = SDLK_RSHIFT; | |
| 1082 break; | |
| 1083 case SCANCODE_LEFTCONTROL: | |
| 1084 keymap[i] = SDLK_LCTRL; | |
| 1085 break; | |
| 1086 case SCANCODE_RIGHTCONTROL: | |
| 1087 keymap[i] = SDLK_RCTRL; | |
| 1088 break; | |
| 1089 case SCANCODE_RIGHTWIN: | |
| 1090 keymap[i] = SDLK_RSUPER; | |
| 1091 break; | |
| 1092 case SCANCODE_LEFTWIN: | |
| 1093 keymap[i] = SDLK_LSUPER; | |
| 1094 break; | |
| 1095 case 127: | |
| 1096 keymap[i] = SDLK_MENU; | |
| 1097 break; | |
| 1098 /* this should take care of all standard ascii keys */ | |
| 1099 default: | |
| 1100 keymap[i] = KVAL(vga_keymap[0][i]); | |
| 1101 break; | |
| 1102 } | |
| 1103 } | |
|
1379
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Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
1104 for (i=0; i<SDL_arraysize(keymap); ++i) { |
| 0 | 1105 switch(keymap_temp[i]) { |
| 1106 case K_F1: keymap[i] = SDLK_F1; break; | |
| 1107 case K_F2: keymap[i] = SDLK_F2; break; | |
| 1108 case K_F3: keymap[i] = SDLK_F3; break; | |
| 1109 case K_F4: keymap[i] = SDLK_F4; break; | |
| 1110 case K_F5: keymap[i] = SDLK_F5; break; | |
| 1111 case K_F6: keymap[i] = SDLK_F6; break; | |
| 1112 case K_F7: keymap[i] = SDLK_F7; break; | |
| 1113 case K_F8: keymap[i] = SDLK_F8; break; | |
| 1114 case K_F9: keymap[i] = SDLK_F9; break; | |
| 1115 case K_F10: keymap[i] = SDLK_F10; break; | |
| 1116 case K_F11: keymap[i] = SDLK_F11; break; | |
| 1117 case K_F12: keymap[i] = SDLK_F12; break; | |
| 1118 | |
| 1119 case K_DOWN: keymap[i] = SDLK_DOWN; break; | |
| 1120 case K_LEFT: keymap[i] = SDLK_LEFT; break; | |
| 1121 case K_RIGHT: keymap[i] = SDLK_RIGHT; break; | |
| 1122 case K_UP: keymap[i] = SDLK_UP; break; | |
| 1123 | |
| 1124 case K_P0: keymap[i] = SDLK_KP0; break; | |
| 1125 case K_P1: keymap[i] = SDLK_KP1; break; | |
| 1126 case K_P2: keymap[i] = SDLK_KP2; break; | |
| 1127 case K_P3: keymap[i] = SDLK_KP3; break; | |
| 1128 case K_P4: keymap[i] = SDLK_KP4; break; | |
| 1129 case K_P5: keymap[i] = SDLK_KP5; break; | |
| 1130 case K_P6: keymap[i] = SDLK_KP6; break; | |
| 1131 case K_P7: keymap[i] = SDLK_KP7; break; | |
| 1132 case K_P8: keymap[i] = SDLK_KP8; break; | |
| 1133 case K_P9: keymap[i] = SDLK_KP9; break; | |
| 1134 case K_PPLUS: keymap[i] = SDLK_KP_PLUS; break; | |
| 1135 case K_PMINUS: keymap[i] = SDLK_KP_MINUS; break; | |
| 1136 case K_PSTAR: keymap[i] = SDLK_KP_MULTIPLY; break; | |
| 1137 case K_PSLASH: keymap[i] = SDLK_KP_DIVIDE; break; | |
| 1138 case K_PENTER: keymap[i] = SDLK_KP_ENTER; break; | |
| 1139 case K_PDOT: keymap[i] = SDLK_KP_PERIOD; break; | |
| 1140 | |
| 1141 case K_SHIFT: if ( keymap[i] != SDLK_RSHIFT ) | |
| 1142 keymap[i] = SDLK_LSHIFT; | |
| 1143 break; | |
| 1144 case K_SHIFTL: keymap[i] = SDLK_LSHIFT; break; | |
| 1145 case K_SHIFTR: keymap[i] = SDLK_RSHIFT; break; | |
| 1146 case K_CTRL: if ( keymap[i] != SDLK_RCTRL ) | |
| 1147 keymap[i] = SDLK_LCTRL; | |
| 1148 break; | |
| 1149 case K_CTRLL: keymap[i] = SDLK_LCTRL; break; | |
| 1150 case K_CTRLR: keymap[i] = SDLK_RCTRL; break; | |
| 1151 case K_ALT: keymap[i] = SDLK_LALT; break; | |
| 1152 case K_ALTGR: keymap[i] = SDLK_RALT; break; | |
| 1153 | |
| 1154 case K_INSERT: keymap[i] = SDLK_INSERT; break; | |
| 1155 case K_REMOVE: keymap[i] = SDLK_DELETE; break; | |
| 1156 case K_PGUP: keymap[i] = SDLK_PAGEUP; break; | |
| 1157 case K_PGDN: keymap[i] = SDLK_PAGEDOWN; break; | |
| 1158 case K_FIND: keymap[i] = SDLK_HOME; break; | |
| 1159 case K_SELECT: keymap[i] = SDLK_END; break; | |
| 1160 | |
| 1161 case K_NUM: keymap[i] = SDLK_NUMLOCK; break; | |
| 1162 case K_CAPS: keymap[i] = SDLK_CAPSLOCK; break; | |
| 1163 | |
| 1164 case K_F13: keymap[i] = SDLK_PRINT; break; | |
| 1165 case K_HOLD: keymap[i] = SDLK_SCROLLOCK; break; | |
| 1166 case K_PAUSE: keymap[i] = SDLK_PAUSE; break; | |
| 1167 | |
| 1168 case 127: keymap[i] = SDLK_BACKSPACE; break; | |
| 1169 | |
| 1170 default: break; | |
| 1171 } | |
| 1172 } | |
| 1173 } | |
| 1174 | |
| 1175 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym) | |
| 1176 { | |
| 1177 /* Set the keysym information */ | |
| 1178 keysym->scancode = scancode; | |
| 1179 keysym->sym = keymap[scancode]; | |
| 1180 keysym->mod = KMOD_NONE; | |
| 1181 | |
| 1182 /* If UNICODE is on, get the UNICODE value for the key */ | |
| 1183 keysym->unicode = 0; | |
| 1184 if ( SDL_TranslateUNICODE ) { | |
| 1185 int map; | |
| 1186 SDLMod modstate; | |
| 1187 | |
| 1188 modstate = SDL_GetModState(); | |
| 1189 map = 0; | |
| 1190 if ( modstate & KMOD_SHIFT ) { | |
| 1191 map |= (1<<KG_SHIFT); | |
| 1192 } | |
| 1193 if ( modstate & KMOD_CTRL ) { | |
| 1194 map |= (1<<KG_CTRL); | |
| 1195 } | |
| 1196 if ( modstate & KMOD_ALT ) { | |
| 1197 map |= (1<<KG_ALT); | |
| 1198 } | |
| 1199 if ( modstate & KMOD_MODE ) { | |
| 1200 map |= (1<<KG_ALTGR); | |
| 1201 } | |
| 1202 if ( KTYP(vga_keymap[map][scancode]) == KT_LETTER ) { | |
| 1203 if ( modstate & KMOD_CAPS ) { | |
| 1204 map ^= (1<<KG_SHIFT); | |
| 1205 } | |
| 1206 } | |
| 1207 if ( KTYP(vga_keymap[map][scancode]) == KT_PAD ) { | |
| 1208 if ( modstate & KMOD_NUM ) { | |
| 1209 keysym->unicode=KVAL(vga_keymap[map][scancode]); | |
| 1210 } | |
| 1211 } else { | |
| 1212 keysym->unicode = KVAL(vga_keymap[map][scancode]); | |
| 1213 } | |
| 1214 } | |
| 1215 return(keysym); | |
| 1216 } |