1 /*- 2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer as 10 * the first lines of this file unmodified. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/dev/syscons/scmouse.c,v 1.12.2.3 2001/07/28 12:51:47 yokota Exp $ 27 * $DragonFly: src/sys/dev/misc/syscons/scmouse.c,v 1.14 2008/08/10 19:47:31 swildner Exp $ 28 */ 29 30 #include "opt_syscons.h" 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/conf.h> 35 #include <sys/signalvar.h> 36 #include <sys/proc.h> 37 #include <sys/tty.h> 38 #include <sys/thread2.h> 39 40 #include <machine/console.h> 41 #include <sys/mouse.h> 42 43 #include "syscons.h" 44 45 #ifdef SC_TWOBUTTON_MOUSE 46 #define SC_MOUSE_PASTEBUTTON MOUSE_BUTTON3DOWN /* right button */ 47 #define SC_MOUSE_EXTENDBUTTON MOUSE_BUTTON2DOWN /* not really used */ 48 #else 49 #define SC_MOUSE_PASTEBUTTON MOUSE_BUTTON2DOWN /* middle button */ 50 #define SC_MOUSE_EXTENDBUTTON MOUSE_BUTTON3DOWN /* right button */ 51 #endif /* SC_TWOBUTTON_MOUSE */ 52 53 #define SC_WAKEUP_DELTA 20 54 55 #ifndef SC_NO_SYSMOUSE 56 57 /* local variables */ 58 static int cut_buffer_size; 59 static u_char *cut_buffer; 60 61 /* local functions */ 62 static void set_mouse_pos(scr_stat *scp); 63 #ifndef SC_NO_CUTPASTE 64 static int skip_spc_right(scr_stat *scp, int p); 65 static int skip_spc_left(scr_stat *scp, int p); 66 static void mouse_cut(scr_stat *scp); 67 static void mouse_cut_start(scr_stat *scp); 68 static void mouse_cut_end(scr_stat *scp); 69 static void mouse_cut_word(scr_stat *scp); 70 static void mouse_cut_line(scr_stat *scp); 71 static void mouse_cut_extend(scr_stat *scp); 72 static void mouse_paste(scr_stat *scp); 73 #endif /* SC_NO_CUTPASTE */ 74 75 #ifndef SC_NO_CUTPASTE 76 /* allocate a cut buffer */ 77 void 78 sc_alloc_cut_buffer(scr_stat *scp, int wait) 79 { 80 u_char *p; 81 82 if ((cut_buffer == NULL) 83 || (cut_buffer_size < scp->xsize * scp->ysize + 1)) { 84 p = cut_buffer; 85 cut_buffer = NULL; 86 if (p != NULL) 87 kfree(p, M_SYSCONS); 88 cut_buffer_size = scp->xsize * scp->ysize + 1; 89 p = kmalloc(cut_buffer_size, M_SYSCONS, (wait) ? M_WAITOK : M_NOWAIT); 90 if (p != NULL) 91 p[0] = '\0'; 92 cut_buffer = p; 93 } 94 } 95 #endif /* SC_NO_CUTPASTE */ 96 97 /* move mouse */ 98 void 99 sc_mouse_move(scr_stat *scp, int x, int y) 100 { 101 crit_enter(); 102 scp->mouse_xpos = scp->mouse_oldxpos = x; 103 scp->mouse_ypos = scp->mouse_oldypos = y; 104 if (scp->font_size <= 0) 105 scp->mouse_pos = scp->mouse_oldpos = 0; 106 else 107 scp->mouse_pos = scp->mouse_oldpos = 108 (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff; 109 scp->status |= MOUSE_MOVED; 110 crit_exit(); 111 } 112 113 /* adjust mouse position */ 114 static void 115 set_mouse_pos(scr_stat *scp) 116 { 117 if (scp->mouse_xpos < scp->xoff*8) 118 scp->mouse_xpos = scp->xoff*8; 119 if (scp->mouse_ypos < scp->yoff*scp->font_size) 120 scp->mouse_ypos = scp->yoff*scp->font_size; 121 if (ISGRAPHSC(scp)) { 122 if (scp->mouse_xpos > scp->xpixel-1) 123 scp->mouse_xpos = scp->xpixel-1; 124 if (scp->mouse_ypos > scp->ypixel-1) 125 scp->mouse_ypos = scp->ypixel-1; 126 return; 127 } else { 128 if (scp->mouse_xpos > (scp->xsize + scp->xoff)*8 - 1) 129 scp->mouse_xpos = (scp->xsize + scp->xoff)*8 - 1; 130 if (scp->mouse_ypos > (scp->ysize + scp->yoff)*scp->font_size - 1) 131 scp->mouse_ypos = (scp->ysize + scp->yoff)*scp->font_size - 1; 132 } 133 134 if (scp->mouse_xpos != scp->mouse_oldxpos || scp->mouse_ypos != scp->mouse_oldypos) { 135 scp->status |= MOUSE_MOVED; 136 scp->mouse_pos = 137 (scp->mouse_ypos/scp->font_size - scp->yoff)*scp->xsize 138 + scp->mouse_xpos/8 - scp->xoff; 139 #ifndef SC_NO_CUTPASTE 140 if ((scp->status & MOUSE_VISIBLE) && (scp->status & MOUSE_CUTTING)) 141 mouse_cut(scp); 142 #endif 143 } 144 } 145 146 #ifndef SC_NO_CUTPASTE 147 148 void 149 sc_draw_mouse_image(scr_stat *scp) 150 { 151 if (ISGRAPHSC(scp)) 152 return; 153 154 ++scp->sc->videoio_in_progress; 155 (*scp->rndr->draw_mouse)(scp, scp->mouse_xpos, scp->mouse_ypos, TRUE); 156 scp->mouse_oldpos = scp->mouse_pos; 157 scp->mouse_oldxpos = scp->mouse_xpos; 158 scp->mouse_oldypos = scp->mouse_ypos; 159 scp->status |= MOUSE_VISIBLE; 160 --scp->sc->videoio_in_progress; 161 } 162 163 void 164 sc_remove_mouse_image(scr_stat *scp) 165 { 166 int size; 167 int i; 168 169 if (ISGRAPHSC(scp)) 170 return; 171 172 ++scp->sc->videoio_in_progress; 173 (*scp->rndr->draw_mouse)(scp, 174 (scp->mouse_oldpos%scp->xsize + scp->xoff)*8, 175 (scp->mouse_oldpos/scp->xsize + scp->yoff) 176 * scp->font_size, 177 FALSE); 178 size = scp->xsize*scp->ysize; 179 i = scp->mouse_oldpos; 180 mark_for_update(scp, i); 181 mark_for_update(scp, i); 182 if (i + scp->xsize + 1 < size) { 183 mark_for_update(scp, i + scp->xsize + 1); 184 } else if (i + scp->xsize < size) { 185 mark_for_update(scp, i + scp->xsize); 186 } else if (i + 1 < size) { 187 mark_for_update(scp, i + 1); 188 } 189 scp->status &= ~MOUSE_VISIBLE; 190 --scp->sc->videoio_in_progress; 191 } 192 193 int 194 sc_inside_cutmark(scr_stat *scp, int pos) 195 { 196 int start; 197 int end; 198 199 if (scp->mouse_cut_end < 0) 200 return FALSE; 201 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 202 start = scp->mouse_cut_start; 203 end = scp->mouse_cut_end; 204 } else { 205 start = scp->mouse_cut_end; 206 end = scp->mouse_cut_start - 1; 207 } 208 return ((start <= pos) && (pos <= end)); 209 } 210 211 void 212 sc_remove_cutmarking(scr_stat *scp) 213 { 214 crit_enter(); 215 if (scp->mouse_cut_end >= 0) { 216 mark_for_update(scp, scp->mouse_cut_start); 217 mark_for_update(scp, scp->mouse_cut_end); 218 } 219 scp->mouse_cut_start = scp->xsize*scp->ysize; 220 scp->mouse_cut_end = -1; 221 crit_exit(); 222 scp->status &= ~MOUSE_CUTTING; 223 } 224 225 void 226 sc_remove_all_cutmarkings(sc_softc_t *sc) 227 { 228 scr_stat *scp; 229 int i; 230 231 /* delete cut markings in all vtys */ 232 for (i = 0; i < sc->vtys; ++i) { 233 scp = SC_STAT(sc->dev[i]); 234 if (scp == NULL) 235 continue; 236 sc_remove_cutmarking(scp); 237 } 238 } 239 240 void 241 sc_remove_all_mouse(sc_softc_t *sc) 242 { 243 scr_stat *scp; 244 int i; 245 246 for (i = 0; i < sc->vtys; ++i) { 247 scp = SC_STAT(sc->dev[i]); 248 if (scp == NULL) 249 continue; 250 if (scp->status & MOUSE_VISIBLE) { 251 scp->status &= ~MOUSE_VISIBLE; 252 mark_all(scp); 253 } 254 } 255 } 256 257 #define IS_SPACE_CHAR(c) (((c) & 0xff) == ' ') 258 259 /* skip spaces to right */ 260 static int 261 skip_spc_right(scr_stat *scp, int p) 262 { 263 int c; 264 int i; 265 266 for (i = p % scp->xsize; i < scp->xsize; ++i) { 267 c = sc_vtb_getc(&scp->vtb, p); 268 if (!IS_SPACE_CHAR(c)) 269 break; 270 ++p; 271 } 272 return i; 273 } 274 275 /* skip spaces to left */ 276 static int 277 skip_spc_left(scr_stat *scp, int p) 278 { 279 int c; 280 int i; 281 282 for (i = p-- % scp->xsize - 1; i >= 0; --i) { 283 c = sc_vtb_getc(&scp->vtb, p); 284 if (!IS_SPACE_CHAR(c)) 285 break; 286 --p; 287 } 288 return i; 289 } 290 291 /* copy marked region to the cut buffer */ 292 static void 293 mouse_cut(scr_stat *scp) 294 { 295 int start; 296 int end; 297 int from; 298 int to; 299 int blank; 300 int c; 301 int p; 302 int i; 303 304 start = scp->mouse_cut_start; 305 if (scp->mouse_pos >= start) { 306 from = start; 307 to = end = scp->mouse_pos; 308 } else { 309 from = end = scp->mouse_pos; 310 to = start - 1; 311 } 312 for (p = from, i = blank = 0; p <= to; ++p) { 313 cut_buffer[i] = sc_vtb_getc(&scp->vtb, p); 314 /* remember the position of the last non-space char */ 315 if (!IS_SPACE_CHAR(cut_buffer[i++])) 316 blank = i; /* the first space after the last non-space */ 317 /* trim trailing blank when crossing lines */ 318 if ((p % scp->xsize) == (scp->xsize - 1)) { 319 cut_buffer[blank] = '\r'; 320 i = blank + 1; 321 } 322 } 323 cut_buffer[i] = '\0'; 324 325 /* scan towards the end of the last line */ 326 --p; 327 for (i = p % scp->xsize; i < scp->xsize; ++i) { 328 c = sc_vtb_getc(&scp->vtb, p); 329 if (!IS_SPACE_CHAR(c)) 330 break; 331 ++p; 332 } 333 /* if there is nothing but blank chars, trim them, but mark towards eol */ 334 if (i >= scp->xsize) { 335 if (end >= start) 336 to = end = p - 1; 337 else 338 to = start = p; 339 cut_buffer[blank++] = '\r'; 340 cut_buffer[blank] = '\0'; 341 } 342 343 /* remove the current marking */ 344 crit_enter(); 345 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 346 mark_for_update(scp, scp->mouse_cut_start); 347 mark_for_update(scp, scp->mouse_cut_end); 348 } else if (scp->mouse_cut_end >= 0) { 349 mark_for_update(scp, scp->mouse_cut_end); 350 mark_for_update(scp, scp->mouse_cut_start); 351 } 352 353 /* mark the new region */ 354 scp->mouse_cut_start = start; 355 scp->mouse_cut_end = end; 356 mark_for_update(scp, from); 357 mark_for_update(scp, to); 358 crit_exit(); 359 } 360 361 /* a mouse button is pressed, start cut operation */ 362 static void 363 mouse_cut_start(scr_stat *scp) 364 { 365 int i; 366 int j; 367 368 if (scp->status & MOUSE_VISIBLE) { 369 i = scp->mouse_cut_start; 370 j = scp->mouse_cut_end; 371 sc_remove_all_cutmarkings(scp->sc); 372 if (scp->mouse_pos == i && i == j) { 373 cut_buffer[0] = '\0'; 374 } else if (skip_spc_right(scp, scp->mouse_pos) >= scp->xsize) { 375 /* if the pointer is on trailing blank chars, mark towards eol */ 376 i = skip_spc_left(scp, scp->mouse_pos) + 1; 377 crit_enter(); 378 scp->mouse_cut_start = 379 (scp->mouse_pos / scp->xsize) * scp->xsize + i; 380 scp->mouse_cut_end = 381 (scp->mouse_pos / scp->xsize + 1) * scp->xsize - 1; 382 crit_exit(); 383 cut_buffer[0] = '\r'; 384 cut_buffer[1] = '\0'; 385 scp->status |= MOUSE_CUTTING; 386 } else { 387 crit_enter(); 388 scp->mouse_cut_start = scp->mouse_pos; 389 scp->mouse_cut_end = scp->mouse_cut_start; 390 crit_exit(); 391 cut_buffer[0] = sc_vtb_getc(&scp->vtb, scp->mouse_cut_start); 392 cut_buffer[1] = '\0'; 393 scp->status |= MOUSE_CUTTING; 394 } 395 mark_all(scp); /* this is probably overkill XXX */ 396 } 397 } 398 399 /* end of cut operation */ 400 static void 401 mouse_cut_end(scr_stat *scp) 402 { 403 if (scp->status & MOUSE_VISIBLE) 404 scp->status &= ~MOUSE_CUTTING; 405 } 406 407 /* copy a word under the mouse pointer */ 408 static void 409 mouse_cut_word(scr_stat *scp) 410 { 411 int start; 412 int end; 413 int sol; 414 int eol; 415 int c; 416 int i; 417 int j; 418 419 /* 420 * Because we don't have locale information in the kernel, 421 * we only distinguish space char and non-space chars. Punctuation 422 * chars, symbols and other regular chars are all treated alike. 423 */ 424 if (scp->status & MOUSE_VISIBLE) { 425 /* remove the current cut mark */ 426 crit_enter(); 427 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 428 mark_for_update(scp, scp->mouse_cut_start); 429 mark_for_update(scp, scp->mouse_cut_end); 430 } else if (scp->mouse_cut_end >= 0) { 431 mark_for_update(scp, scp->mouse_cut_end); 432 mark_for_update(scp, scp->mouse_cut_start); 433 } 434 scp->mouse_cut_start = scp->xsize*scp->ysize; 435 scp->mouse_cut_end = -1; 436 crit_exit(); 437 438 sol = (scp->mouse_pos / scp->xsize) * scp->xsize; 439 eol = sol + scp->xsize; 440 c = sc_vtb_getc(&scp->vtb, scp->mouse_pos); 441 if (IS_SPACE_CHAR(c)) { 442 /* blank space */ 443 for (j = scp->mouse_pos; j >= sol; --j) { 444 c = sc_vtb_getc(&scp->vtb, j); 445 if (!IS_SPACE_CHAR(c)) 446 break; 447 } 448 start = ++j; 449 for (j = scp->mouse_pos; j < eol; ++j) { 450 c = sc_vtb_getc(&scp->vtb, j); 451 if (!IS_SPACE_CHAR(c)) 452 break; 453 } 454 end = j - 1; 455 } else { 456 /* non-space word */ 457 for (j = scp->mouse_pos; j >= sol; --j) { 458 c = sc_vtb_getc(&scp->vtb, j); 459 if (IS_SPACE_CHAR(c)) 460 break; 461 } 462 start = ++j; 463 for (j = scp->mouse_pos; j < eol; ++j) { 464 c = sc_vtb_getc(&scp->vtb, j); 465 if (IS_SPACE_CHAR(c)) 466 break; 467 } 468 end = j - 1; 469 } 470 471 /* copy the found word */ 472 for (i = 0, j = start; j <= end; ++j) 473 cut_buffer[i++] = sc_vtb_getc(&scp->vtb, j); 474 cut_buffer[i] = '\0'; 475 scp->status |= MOUSE_CUTTING; 476 477 /* mark the region */ 478 crit_enter(); 479 scp->mouse_cut_start = start; 480 scp->mouse_cut_end = end; 481 mark_for_update(scp, start); 482 mark_for_update(scp, end); 483 crit_exit(); 484 } 485 } 486 487 /* copy a line under the mouse pointer */ 488 static void 489 mouse_cut_line(scr_stat *scp) 490 { 491 int i; 492 int j; 493 494 if (scp->status & MOUSE_VISIBLE) { 495 /* remove the current cut mark */ 496 crit_enter(); 497 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 498 mark_for_update(scp, scp->mouse_cut_start); 499 mark_for_update(scp, scp->mouse_cut_end); 500 } else if (scp->mouse_cut_end >= 0) { 501 mark_for_update(scp, scp->mouse_cut_end); 502 mark_for_update(scp, scp->mouse_cut_start); 503 } 504 505 /* mark the entire line */ 506 scp->mouse_cut_start = 507 (scp->mouse_pos / scp->xsize) * scp->xsize; 508 scp->mouse_cut_end = scp->mouse_cut_start + scp->xsize - 1; 509 mark_for_update(scp, scp->mouse_cut_start); 510 mark_for_update(scp, scp->mouse_cut_end); 511 crit_exit(); 512 513 /* copy the line into the cut buffer */ 514 for (i = 0, j = scp->mouse_cut_start; j <= scp->mouse_cut_end; ++j) 515 cut_buffer[i++] = sc_vtb_getc(&scp->vtb, j); 516 cut_buffer[i++] = '\r'; 517 cut_buffer[i] = '\0'; 518 scp->status |= MOUSE_CUTTING; 519 } 520 } 521 522 /* extend the marked region to the mouse pointer position */ 523 static void 524 mouse_cut_extend(scr_stat *scp) 525 { 526 int start; 527 int end; 528 529 if ((scp->status & MOUSE_VISIBLE) && !(scp->status & MOUSE_CUTTING) 530 && (scp->mouse_cut_end >= 0)) { 531 if (scp->mouse_cut_start <= scp->mouse_cut_end) { 532 start = scp->mouse_cut_start; 533 end = scp->mouse_cut_end; 534 } else { 535 start = scp->mouse_cut_end; 536 end = scp->mouse_cut_start - 1; 537 } 538 crit_enter(); 539 if (scp->mouse_pos > end) { 540 scp->mouse_cut_start = start; 541 scp->mouse_cut_end = end; 542 } else if (scp->mouse_pos < start) { 543 scp->mouse_cut_start = end + 1; 544 scp->mouse_cut_end = start; 545 } else { 546 if (scp->mouse_pos - start > end + 1 - scp->mouse_pos) { 547 scp->mouse_cut_start = start; 548 scp->mouse_cut_end = end; 549 } else { 550 scp->mouse_cut_start = end + 1; 551 scp->mouse_cut_end = start; 552 } 553 } 554 crit_exit(); 555 mouse_cut(scp); 556 scp->status |= MOUSE_CUTTING; 557 } 558 } 559 560 /* paste cut buffer contents into the current vty */ 561 static void 562 mouse_paste(scr_stat *scp) 563 { 564 if (scp->status & MOUSE_VISIBLE) 565 sc_paste(scp, cut_buffer, strlen(cut_buffer)); 566 } 567 568 #endif /* SC_NO_CUTPASTE */ 569 570 int 571 sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag) 572 { 573 mouse_info_t *mouse; 574 scr_stat *cur_scp; 575 scr_stat *scp; 576 struct proc *oproc; 577 int f; 578 579 scp = SC_STAT(tp->t_dev); 580 581 switch (cmd) { 582 583 case CONS_MOUSECTL: /* control mouse arrow */ 584 mouse = (mouse_info_t*)data; 585 cur_scp = scp->sc->cur_scp; 586 587 switch (mouse->operation) { 588 case MOUSE_MODE: 589 if (ISSIGVALID(mouse->u.mode.signal)) { 590 oproc = scp->mouse_proc; 591 scp->mouse_signal = mouse->u.mode.signal; 592 scp->mouse_proc = curproc; 593 scp->mouse_pid = curproc->p_pid; 594 PHOLD(curproc); 595 } else { 596 oproc = scp->mouse_proc; 597 scp->mouse_signal = 0; 598 scp->mouse_proc = NULL; 599 scp->mouse_pid = 0; 600 } 601 if (oproc) { 602 PRELE(oproc); 603 oproc = NULL; 604 } 605 return 0; 606 607 case MOUSE_SHOW: 608 crit_enter(); 609 if (!(scp->sc->flags & SC_MOUSE_ENABLED)) { 610 scp->sc->flags |= SC_MOUSE_ENABLED; 611 cur_scp->status &= ~MOUSE_HIDDEN; 612 if (!ISGRAPHSC(cur_scp)) 613 mark_all(cur_scp); 614 crit_exit(); 615 return 0; 616 } else { 617 crit_exit(); 618 return EINVAL; 619 } 620 break; 621 622 case MOUSE_HIDE: 623 crit_enter(); 624 if (scp->sc->flags & SC_MOUSE_ENABLED) { 625 scp->sc->flags &= ~SC_MOUSE_ENABLED; 626 sc_remove_all_mouse(scp->sc); 627 crit_exit(); 628 return 0; 629 } else { 630 crit_exit(); 631 return EINVAL; 632 } 633 break; 634 635 case MOUSE_MOVEABS: 636 crit_enter(); 637 scp->mouse_xpos = mouse->u.data.x; 638 scp->mouse_ypos = mouse->u.data.y; 639 set_mouse_pos(scp); 640 crit_exit(); 641 break; 642 643 case MOUSE_MOVEREL: 644 crit_enter(); 645 scp->mouse_xpos += mouse->u.data.x; 646 scp->mouse_ypos += mouse->u.data.y; 647 set_mouse_pos(scp); 648 crit_exit(); 649 break; 650 651 case MOUSE_GETINFO: 652 mouse->u.data.x = scp->mouse_xpos; 653 mouse->u.data.y = scp->mouse_ypos; 654 mouse->u.data.z = 0; 655 mouse->u.data.buttons = scp->mouse_buttons; 656 return 0; 657 658 case MOUSE_ACTION: 659 case MOUSE_MOTION_EVENT: 660 /* send out mouse event on /dev/sysmouse */ 661 #if 0 662 /* this should maybe only be settable from /dev/consolectl SOS */ 663 if (SC_VTY(tp->t_dev) != SC_CONSOLECTL) 664 return ENOTTY; 665 #endif 666 crit_enter(); 667 if (mouse->u.data.x != 0 || mouse->u.data.y != 0) { 668 cur_scp->mouse_xpos += mouse->u.data.x; 669 cur_scp->mouse_ypos += mouse->u.data.y; 670 set_mouse_pos(cur_scp); 671 } 672 f = 0; 673 if (mouse->operation == MOUSE_ACTION) { 674 f = cur_scp->mouse_buttons ^ mouse->u.data.buttons; 675 cur_scp->mouse_buttons = mouse->u.data.buttons; 676 } 677 crit_exit(); 678 679 if (sysmouse_event(mouse) == 0) 680 return 0; 681 682 /* 683 * If any buttons are down or the mouse has moved a lot, 684 * stop the screen saver. 685 */ 686 if (((mouse->operation == MOUSE_ACTION) && mouse->u.data.buttons) 687 || (mouse->u.data.x*mouse->u.data.x 688 + mouse->u.data.y*mouse->u.data.y 689 >= SC_WAKEUP_DELTA*SC_WAKEUP_DELTA)) { 690 sc_touch_scrn_saver(); 691 } 692 693 cur_scp->status &= ~MOUSE_HIDDEN; 694 695 if (cur_scp->mouse_signal) { 696 /* has controlling process died? */ 697 if (cur_scp->mouse_proc && 698 (cur_scp->mouse_proc != pfindn(cur_scp->mouse_pid))){ 699 oproc = cur_scp->mouse_proc; 700 cur_scp->mouse_signal = 0; 701 cur_scp->mouse_proc = NULL; 702 cur_scp->mouse_pid = 0; 703 if (oproc) 704 PRELE(oproc); 705 } else { 706 ksignal(cur_scp->mouse_proc, cur_scp->mouse_signal); 707 break; 708 } 709 } 710 711 if (ISGRAPHSC(cur_scp) || (cut_buffer == NULL)) 712 break; 713 714 #ifndef SC_NO_CUTPASTE 715 if ((mouse->operation == MOUSE_ACTION) && f) { 716 /* process button presses */ 717 if (cur_scp->mouse_buttons & MOUSE_BUTTON1DOWN) 718 mouse_cut_start(cur_scp); 719 else 720 mouse_cut_end(cur_scp); 721 if (cur_scp->mouse_buttons & MOUSE_BUTTON2DOWN || 722 cur_scp->mouse_buttons & MOUSE_BUTTON3DOWN) 723 mouse_paste(cur_scp); 724 } 725 #endif /* SC_NO_CUTPASTE */ 726 break; 727 728 case MOUSE_BUTTON_EVENT: 729 if ((mouse->u.event.id & MOUSE_BUTTONS) == 0) 730 return EINVAL; 731 if (mouse->u.event.value < 0) 732 return EINVAL; 733 #if 0 734 /* this should maybe only be settable from /dev/consolectl SOS */ 735 if (SC_VTY(tp->t_dev) != SC_CONSOLECTL) 736 return ENOTTY; 737 #endif 738 if (mouse->u.event.value > 0) 739 cur_scp->mouse_buttons |= mouse->u.event.id; 740 else 741 cur_scp->mouse_buttons &= ~mouse->u.event.id; 742 743 if (sysmouse_event(mouse) == 0) 744 return 0; 745 746 /* if a button is held down, stop the screen saver */ 747 if (mouse->u.event.value > 0) 748 sc_touch_scrn_saver(); 749 750 cur_scp->status &= ~MOUSE_HIDDEN; 751 752 if (cur_scp->mouse_signal) { 753 if (cur_scp->mouse_proc && 754 (cur_scp->mouse_proc != pfindn(cur_scp->mouse_pid))){ 755 oproc = cur_scp->mouse_proc; 756 cur_scp->mouse_signal = 0; 757 cur_scp->mouse_proc = NULL; 758 cur_scp->mouse_pid = 0; 759 if (oproc) 760 PRELE(oproc); 761 } else { 762 ksignal(cur_scp->mouse_proc, cur_scp->mouse_signal); 763 break; 764 } 765 } 766 767 if (ISGRAPHSC(cur_scp) || (cut_buffer == NULL)) 768 break; 769 770 #ifndef SC_NO_CUTPASTE 771 switch (mouse->u.event.id) { 772 case MOUSE_BUTTON1DOWN: 773 switch (mouse->u.event.value % 4) { 774 case 0: /* up */ 775 mouse_cut_end(cur_scp); 776 break; 777 case 1: /* single click: start cut operation */ 778 mouse_cut_start(cur_scp); 779 break; 780 case 2: /* double click: cut a word */ 781 mouse_cut_word(cur_scp); 782 mouse_cut_end(cur_scp); 783 break; 784 case 3: /* triple click: cut a line */ 785 mouse_cut_line(cur_scp); 786 mouse_cut_end(cur_scp); 787 break; 788 } 789 break; 790 case SC_MOUSE_PASTEBUTTON: 791 switch (mouse->u.event.value) { 792 case 0: /* up */ 793 break; 794 default: 795 mouse_paste(cur_scp); 796 break; 797 } 798 break; 799 case SC_MOUSE_EXTENDBUTTON: 800 switch (mouse->u.event.value) { 801 case 0: /* up */ 802 if (!(cur_scp->mouse_buttons & MOUSE_BUTTON1DOWN)) 803 mouse_cut_end(cur_scp); 804 break; 805 default: 806 mouse_cut_extend(cur_scp); 807 break; 808 } 809 break; 810 } 811 #endif /* SC_NO_CUTPASTE */ 812 break; 813 814 case MOUSE_MOUSECHAR: 815 if (mouse->u.mouse_char < 0) { 816 mouse->u.mouse_char = scp->sc->mouse_char; 817 } else { 818 if (mouse->u.mouse_char >= (unsigned char)-1 - 4) 819 return EINVAL; 820 crit_enter(); 821 sc_remove_all_mouse(scp->sc); 822 #ifndef SC_NO_FONT_LOADING 823 if (ISTEXTSC(cur_scp) && (cur_scp->font != NULL)) 824 sc_load_font(cur_scp, 0, cur_scp->font_size, cur_scp->font, 825 cur_scp->sc->mouse_char, 4); 826 #endif 827 scp->sc->mouse_char = mouse->u.mouse_char; 828 crit_exit(); 829 } 830 break; 831 832 default: 833 return EINVAL; 834 } 835 836 return 0; 837 } 838 839 return ENOIOCTL; 840 } 841 842 #endif /* SC_NO_SYSMOUSE */ 843