1 /* $OpenBSD: wsdisplay.c,v 1.124 2015/09/08 11:13:20 deraadt Exp $ */ 2 /* $NetBSD: wsdisplay.c,v 1.82 2005/02/27 00:27:52 perry Exp $ */ 3 4 /* 5 * Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Christopher G. Demetriou 18 * for the NetBSD Project. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/param.h> 35 #include <sys/conf.h> 36 #include <sys/device.h> 37 #include <sys/ioctl.h> 38 #include <sys/kernel.h> 39 #include <sys/malloc.h> 40 #include <sys/syslog.h> 41 #include <sys/systm.h> 42 #include <sys/tty.h> 43 #include <sys/signalvar.h> 44 #include <sys/errno.h> 45 #include <sys/fcntl.h> 46 #include <sys/vnode.h> 47 #include <sys/timeout.h> 48 #include <sys/poll.h> 49 50 #include <dev/wscons/wscons_features.h> 51 #include <dev/wscons/wsconsio.h> 52 #include <dev/wscons/wsdisplayvar.h> 53 #include <dev/wscons/wsksymvar.h> 54 #include <dev/wscons/wsksymdef.h> 55 #include <dev/wscons/wsemulvar.h> 56 #include <dev/wscons/wscons_callbacks.h> 57 #include <dev/cons.h> 58 59 #include "wsdisplay.h" 60 #include "wskbd.h" 61 #include "wsmux.h" 62 63 #if NWSKBD > 0 64 #include <dev/wscons/wseventvar.h> 65 #include <dev/wscons/wsmuxvar.h> 66 #endif 67 68 #include "wsmoused.h" 69 70 struct wsscreen_internal { 71 const struct wsdisplay_emulops *emulops; 72 void *emulcookie; 73 74 const struct wsscreen_descr *scrdata; 75 76 const struct wsemul_ops *wsemul; 77 void *wsemulcookie; 78 }; 79 80 struct wsscreen { 81 struct wsscreen_internal *scr_dconf; 82 83 struct tty *scr_tty; 84 int scr_hold_screen; /* hold tty output */ 85 86 int scr_flags; 87 #define SCR_OPEN 1 /* is it open? */ 88 #define SCR_WAITACTIVE 2 /* someone waiting on activation */ 89 #define SCR_GRAPHICS 4 /* graphics mode, no text (emulation) output */ 90 #define SCR_DUMBFB 8 /* in use as dumb fb (iff SCR_GRAPHICS) */ 91 92 #ifdef WSDISPLAY_COMPAT_USL 93 const struct wscons_syncops *scr_syncops; 94 void *scr_synccookie; 95 #endif 96 97 #ifdef WSDISPLAY_COMPAT_RAWKBD 98 int scr_rawkbd; 99 #endif 100 101 struct wsdisplay_softc *sc; 102 103 #ifdef HAVE_WSMOUSED_SUPPORT 104 /* mouse console support via wsmoused(8) */ 105 u_int mouse; /* mouse cursor position */ 106 u_int cursor; /* selection cursor position (if 107 different from mouse cursor pos) */ 108 u_int cpy_start; /* position of the copy start mark*/ 109 u_int cpy_end; /* position of the copy end mark */ 110 u_int orig_start; /* position of the original sel. start*/ 111 u_int orig_end; /* position of the original sel. end */ 112 113 u_int mouse_flags; /* flags, status of the mouse */ 114 #define MOUSE_VISIBLE 0x01 /* flag, the mouse cursor is visible */ 115 #define SEL_EXISTS 0x02 /* flag, a selection exists */ 116 #define SEL_IN_PROGRESS 0x04 /* flag, a selection is in progress */ 117 #define SEL_EXT_AFTER 0x08 /* flag, selection is extended after */ 118 #define BLANK_TO_EOL 0x10 /* flag, there are only blanks 119 characters to eol */ 120 #define SEL_BY_CHAR 0x20 /* flag, select character by character*/ 121 #define SEL_BY_WORD 0x40 /* flag, select word by word */ 122 #define SEL_BY_LINE 0x80 /* flag, select line by line */ 123 124 #define IS_MOUSE_VISIBLE(scr) ((scr)->mouse_flags & MOUSE_VISIBLE) 125 #define IS_SEL_EXISTS(scr) ((scr)->mouse_flags & SEL_EXISTS) 126 #define IS_SEL_IN_PROGRESS(scr) ((scr)->mouse_flags & SEL_IN_PROGRESS) 127 #define IS_SEL_EXT_AFTER(scr) ((scr)->mouse_flags & SEL_EXT_AFTER) 128 #define IS_BLANK_TO_EOL(scr) ((scr)->mouse_flags & BLANK_TO_EOL) 129 #define IS_SEL_BY_CHAR(scr) ((scr)->mouse_flags & SEL_BY_CHAR) 130 #define IS_SEL_BY_WORD(scr) ((scr)->mouse_flags & SEL_BY_WORD) 131 #define IS_SEL_BY_LINE(scr) ((scr)->mouse_flags & SEL_BY_LINE) 132 #endif /* HAVE_WSMOUSED_SUPPORT */ 133 }; 134 135 struct wsscreen *wsscreen_attach(struct wsdisplay_softc *, int, const char *, 136 const struct wsscreen_descr *, void *, int, int, long); 137 void wsscreen_detach(struct wsscreen *); 138 int wsdisplay_addscreen(struct wsdisplay_softc *, int, const char *, 139 const char *); 140 int wsdisplay_getscreen(struct wsdisplay_softc *, 141 struct wsdisplay_addscreendata *); 142 void wsdisplay_resume_device(struct device *); 143 void wsdisplay_suspend_device(struct device *); 144 void wsdisplay_addscreen_print(struct wsdisplay_softc *, int, int); 145 void wsdisplay_closescreen(struct wsdisplay_softc *, struct wsscreen *); 146 int wsdisplay_delscreen(struct wsdisplay_softc *, int, int); 147 148 void wsdisplay_burner_setup(struct wsdisplay_softc *, struct wsscreen *); 149 void wsdisplay_burner(void *v); 150 151 struct wsdisplay_softc { 152 struct device sc_dv; 153 154 const struct wsdisplay_accessops *sc_accessops; 155 void *sc_accesscookie; 156 157 const struct wsscreen_list *sc_scrdata; 158 159 struct wsscreen *sc_scr[WSDISPLAY_MAXSCREEN]; 160 int sc_focusidx; /* available only if sc_focus isn't null */ 161 struct wsscreen *sc_focus; 162 163 #ifdef HAVE_BURNER_SUPPORT 164 struct timeout sc_burner; 165 int sc_burnoutintvl; /* delay before blanking */ 166 int sc_burninintvl; /* delay before unblanking */ 167 int sc_burnout; /* current sc_burner delay */ 168 int sc_burnman; /* nonzero if screen blanked */ 169 int sc_burnflags; 170 #endif 171 172 int sc_isconsole; 173 174 int sc_flags; 175 #define SC_SWITCHPENDING 0x01 176 #define SC_PASTE_AVAIL 0x02 177 int sc_screenwanted, sc_oldscreen; /* valid with SC_SWITCHPENDING */ 178 int sc_resumescreen; /* if set, can't switch until resume. */ 179 180 #if NWSKBD > 0 181 struct wsevsrc *sc_input; 182 #ifdef WSDISPLAY_COMPAT_RAWKBD 183 int sc_rawkbd; 184 #endif 185 #endif /* NWSKBD > 0 */ 186 187 #ifdef HAVE_WSMOUSED_SUPPORT 188 char *sc_copybuffer; 189 u_int sc_copybuffer_size; 190 #endif 191 }; 192 193 extern struct cfdriver wsdisplay_cd; 194 195 /* Autoconfiguration definitions. */ 196 int wsdisplay_emul_match(struct device *, void *, void *); 197 void wsdisplay_emul_attach(struct device *, struct device *, void *); 198 int wsdisplay_emul_detach(struct device *, int); 199 200 int wsdisplay_activate(struct device *, int); 201 202 struct cfdriver wsdisplay_cd = { 203 NULL, "wsdisplay", DV_TTY 204 }; 205 206 struct cfattach wsdisplay_emul_ca = { 207 sizeof(struct wsdisplay_softc), wsdisplay_emul_match, 208 wsdisplay_emul_attach, wsdisplay_emul_detach, wsdisplay_activate 209 }; 210 211 void wsdisplaystart(struct tty *); 212 int wsdisplayparam(struct tty *, struct termios *); 213 214 /* Internal macros, functions, and variables. */ 215 #define WSDISPLAYUNIT(dev) (minor(dev) >> 8) 216 #define WSDISPLAYSCREEN(dev) (minor(dev) & 0xff) 217 #define ISWSDISPLAYCTL(dev) (WSDISPLAYSCREEN(dev) == 255) 218 #define WSDISPLAYMINOR(unit, screen) (((unit) << 8) | (screen)) 219 220 #define WSSCREEN_HAS_TTY(scr) ((scr)->scr_tty != NULL) 221 222 void wsdisplay_common_attach(struct wsdisplay_softc *sc, 223 int console, int mux, const struct wsscreen_list *, 224 const struct wsdisplay_accessops *accessops, 225 void *accesscookie, u_int defaultscreens); 226 int wsdisplay_common_detach(struct wsdisplay_softc *, int); 227 void wsdisplay_kbdholdscr(struct wsscreen *, int); 228 229 #ifdef WSDISPLAY_COMPAT_RAWKBD 230 int wsdisplay_update_rawkbd(struct wsdisplay_softc *, struct wsscreen *); 231 #endif 232 233 int wsdisplay_console_initted; 234 struct wsdisplay_softc *wsdisplay_console_device; 235 struct wsscreen_internal wsdisplay_console_conf; 236 237 int wsdisplay_getc_dummy(dev_t); 238 void wsdisplay_pollc(dev_t, int); 239 240 int wsdisplay_cons_pollmode; 241 void (*wsdisplay_cons_kbd_pollc)(dev_t, int); 242 243 struct consdev wsdisplay_cons = { 244 NULL, NULL, wsdisplay_getc_dummy, wsdisplay_cnputc, 245 wsdisplay_pollc, NULL, NODEV, CN_LOWPRI 246 }; 247 248 #ifndef WSDISPLAY_DEFAULTSCREENS 249 #define WSDISPLAY_DEFAULTSCREENS 1 250 #endif 251 int wsdisplay_defaultscreens = WSDISPLAY_DEFAULTSCREENS; 252 253 int wsdisplay_switch1(void *, int, int); 254 int wsdisplay_switch2(void *, int, int); 255 int wsdisplay_switch3(void *, int, int); 256 257 int wsdisplay_clearonclose; 258 259 struct wsscreen * 260 wsscreen_attach(struct wsdisplay_softc *sc, int console, const char *emul, 261 const struct wsscreen_descr *type, void *cookie, int ccol, int crow, 262 long defattr) 263 { 264 struct wsscreen_internal *dconf; 265 struct wsscreen *scr; 266 267 scr = malloc(sizeof(*scr), M_DEVBUF, M_ZERO | M_NOWAIT); 268 if (!scr) 269 return (NULL); 270 271 if (console) { 272 dconf = &wsdisplay_console_conf; 273 /* 274 * Tell the emulation about the callback argument. 275 * The other stuff is already there. 276 */ 277 (void)(*dconf->wsemul->attach)(1, 0, 0, 0, 0, scr, 0); 278 } else { /* not console */ 279 dconf = malloc(sizeof(*dconf), M_DEVBUF, M_NOWAIT); 280 if (dconf == NULL) 281 goto fail; 282 dconf->emulops = type->textops; 283 dconf->emulcookie = cookie; 284 if (dconf->emulops == NULL || 285 (dconf->wsemul = wsemul_pick(emul)) == NULL) 286 goto fail; 287 dconf->wsemulcookie = (*dconf->wsemul->attach)(0, type, cookie, 288 ccol, crow, scr, defattr); 289 if (dconf->wsemulcookie == NULL) 290 goto fail; 291 dconf->scrdata = type; 292 } 293 294 scr->scr_dconf = dconf; 295 scr->scr_tty = ttymalloc(0); 296 scr->sc = sc; 297 return (scr); 298 299 fail: 300 if (dconf != NULL) 301 free(dconf, M_DEVBUF, sizeof(*dconf)); 302 free(scr, M_DEVBUF, sizeof(*scr)); 303 return (NULL); 304 } 305 306 void 307 wsscreen_detach(struct wsscreen *scr) 308 { 309 int ccol, crow; /* XXX */ 310 311 if (WSSCREEN_HAS_TTY(scr)) { 312 timeout_del(&scr->scr_tty->t_rstrt_to); 313 ttyfree(scr->scr_tty); 314 } 315 (*scr->scr_dconf->wsemul->detach)(scr->scr_dconf->wsemulcookie, 316 &ccol, &crow); 317 free(scr->scr_dconf, M_DEVBUF, sizeof(*scr->scr_dconf)); 318 free(scr, M_DEVBUF, sizeof(*scr)); 319 } 320 321 const struct wsscreen_descr * 322 wsdisplay_screentype_pick(const struct wsscreen_list *scrdata, const char *name) 323 { 324 int i; 325 const struct wsscreen_descr *scr; 326 327 KASSERT(scrdata->nscreens > 0); 328 329 if (name == NULL || *name == '\0') 330 return (scrdata->screens[0]); 331 332 for (i = 0; i < scrdata->nscreens; i++) { 333 scr = scrdata->screens[i]; 334 if (!strncmp(name, scr->name, WSSCREEN_NAME_SIZE)) 335 return (scr); 336 } 337 338 return (0); 339 } 340 341 /* 342 * print info about attached screen 343 */ 344 void 345 wsdisplay_addscreen_print(struct wsdisplay_softc *sc, int idx, int count) 346 { 347 printf("%s: screen %d", sc->sc_dv.dv_xname, idx); 348 if (count > 1) 349 printf("-%d", idx + (count-1)); 350 printf(" added (%s, %s emulation)\n", 351 sc->sc_scr[idx]->scr_dconf->scrdata->name, 352 sc->sc_scr[idx]->scr_dconf->wsemul->name); 353 } 354 355 int 356 wsdisplay_addscreen(struct wsdisplay_softc *sc, int idx, 357 const char *screentype, const char *emul) 358 { 359 const struct wsscreen_descr *scrdesc; 360 int error; 361 void *cookie; 362 int ccol, crow; 363 long defattr; 364 struct wsscreen *scr; 365 int s; 366 367 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 368 return (EINVAL); 369 if (sc->sc_scr[idx] != NULL) 370 return (EBUSY); 371 372 scrdesc = wsdisplay_screentype_pick(sc->sc_scrdata, screentype); 373 if (!scrdesc) 374 return (ENXIO); 375 error = (*sc->sc_accessops->alloc_screen)(sc->sc_accesscookie, 376 scrdesc, &cookie, &ccol, &crow, &defattr); 377 if (error) 378 return (error); 379 380 scr = wsscreen_attach(sc, 0, emul, scrdesc, 381 cookie, ccol, crow, defattr); 382 if (scr == NULL) { 383 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, cookie); 384 return (ENXIO); 385 } 386 387 sc->sc_scr[idx] = scr; 388 389 /* if no screen has focus yet, activate the first we get */ 390 s = spltty(); 391 if (!sc->sc_focus) { 392 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 393 scr->scr_dconf->emulcookie, 0, 0, 0); 394 sc->sc_focusidx = idx; 395 sc->sc_focus = scr; 396 } 397 splx(s); 398 399 #ifdef HAVE_WSMOUSED_SUPPORT 400 allocate_copybuffer(sc); /* enlarge the copy buffer if necessary */ 401 #endif 402 return (0); 403 } 404 405 int 406 wsdisplay_getscreen(struct wsdisplay_softc *sc, 407 struct wsdisplay_addscreendata *sd) 408 { 409 struct wsscreen *scr; 410 411 if (sd->idx < 0 && sc->sc_focus) 412 sd->idx = sc->sc_focusidx; 413 414 if (sd->idx < 0 || sd->idx >= WSDISPLAY_MAXSCREEN) 415 return (EINVAL); 416 417 scr = sc->sc_scr[sd->idx]; 418 if (scr == NULL) 419 return (ENXIO); 420 421 strncpy(sd->screentype, scr->scr_dconf->scrdata->name, 422 WSSCREEN_NAME_SIZE); 423 strncpy(sd->emul, scr->scr_dconf->wsemul->name, WSEMUL_NAME_SIZE); 424 425 return (0); 426 } 427 428 void 429 wsdisplay_closescreen(struct wsdisplay_softc *sc, struct wsscreen *scr) 430 { 431 int maj, mn, idx; 432 433 /* hangup */ 434 if (WSSCREEN_HAS_TTY(scr)) { 435 struct tty *tp = scr->scr_tty; 436 (*linesw[tp->t_line].l_modem)(tp, 0); 437 } 438 439 /* locate the major number */ 440 for (maj = 0; maj < nchrdev; maj++) 441 if (cdevsw[maj].d_open == wsdisplayopen) 442 break; 443 /* locate the screen index */ 444 for (idx = 0; idx < WSDISPLAY_MAXSCREEN; idx++) 445 if (scr == sc->sc_scr[idx]) 446 break; 447 #ifdef DIAGNOSTIC 448 if (idx == WSDISPLAY_MAXSCREEN) 449 panic("wsdisplay_forceclose: bad screen"); 450 #endif 451 452 /* nuke the vnodes */ 453 mn = WSDISPLAYMINOR(sc->sc_dv.dv_unit, idx); 454 vdevgone(maj, mn, mn, VCHR); 455 } 456 457 int 458 wsdisplay_delscreen(struct wsdisplay_softc *sc, int idx, int flags) 459 { 460 struct wsscreen *scr; 461 int s; 462 void *cookie; 463 464 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 465 return (EINVAL); 466 if ((scr = sc->sc_scr[idx]) == NULL) 467 return (ENXIO); 468 469 if (scr->scr_dconf == &wsdisplay_console_conf || 470 #ifdef WSDISPLAY_COMPAT_USL 471 scr->scr_syncops || 472 #endif 473 ((scr->scr_flags & SCR_OPEN) && !(flags & WSDISPLAY_DELSCR_FORCE))) 474 return (EBUSY); 475 476 wsdisplay_closescreen(sc, scr); 477 478 /* 479 * delete pointers, so neither device entries 480 * nor keyboard input can reference it anymore 481 */ 482 s = spltty(); 483 if (sc->sc_focus == scr) { 484 sc->sc_focus = NULL; 485 #ifdef WSDISPLAY_COMPAT_RAWKBD 486 wsdisplay_update_rawkbd(sc, 0); 487 #endif 488 } 489 sc->sc_scr[idx] = NULL; 490 splx(s); 491 492 /* 493 * Wake up processes waiting for the screen to 494 * be activated. Sleepers must check whether 495 * the screen still exists. 496 */ 497 if (scr->scr_flags & SCR_WAITACTIVE) 498 wakeup(scr); 499 500 /* save a reference to the graphics screen */ 501 cookie = scr->scr_dconf->emulcookie; 502 503 wsscreen_detach(scr); 504 505 (*sc->sc_accessops->free_screen)(sc->sc_accesscookie, cookie); 506 507 if ((flags & WSDISPLAY_DELSCR_QUIET) == 0) 508 printf("%s: screen %d deleted\n", sc->sc_dv.dv_xname, idx); 509 return (0); 510 } 511 512 /* 513 * Autoconfiguration functions. 514 */ 515 int 516 wsdisplay_emul_match(struct device *parent, void *match, void *aux) 517 { 518 struct cfdata *cf = match; 519 struct wsemuldisplaydev_attach_args *ap = aux; 520 521 if (cf->wsemuldisplaydevcf_console != WSEMULDISPLAYDEVCF_CONSOLE_UNK) { 522 /* 523 * If console-ness of device specified, either match 524 * exactly (at high priority), or fail. 525 */ 526 if (cf->wsemuldisplaydevcf_console != 0 && ap->console != 0) 527 return (10); 528 else 529 return (0); 530 } 531 532 /* If console-ness unspecified, it wins. */ 533 return (1); 534 } 535 536 void 537 wsdisplay_emul_attach(struct device *parent, struct device *self, void *aux) 538 { 539 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 540 struct wsemuldisplaydev_attach_args *ap = aux; 541 542 wsdisplay_common_attach(sc, ap->console, 543 sc->sc_dv.dv_cfdata->wsemuldisplaydevcf_mux, ap->scrdata, 544 ap->accessops, ap->accesscookie, ap->defaultscreens); 545 546 if (ap->console && cn_tab == &wsdisplay_cons) { 547 int maj; 548 549 /* locate the major number */ 550 for (maj = 0; maj < nchrdev; maj++) 551 if (cdevsw[maj].d_open == wsdisplayopen) 552 break; 553 554 cn_tab->cn_dev = makedev(maj, WSDISPLAYMINOR(self->dv_unit, 0)); 555 } 556 } 557 558 /* 559 * Detach a display. 560 */ 561 int 562 wsdisplay_emul_detach(struct device *self, int flags) 563 { 564 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self; 565 566 return (wsdisplay_common_detach(sc, flags)); 567 } 568 569 int 570 wsdisplay_activate(struct device *self, int act) 571 { 572 int ret = 0; 573 574 switch (act) { 575 case DVACT_POWERDOWN: 576 wsdisplay_switchtoconsole(); 577 break; 578 } 579 580 return (ret); 581 } 582 583 int 584 wsdisplay_common_detach(struct wsdisplay_softc *sc, int flags) 585 { 586 int i; 587 int rc; 588 589 /* We don't support detaching the console display yet. */ 590 if (sc->sc_isconsole) 591 return (EBUSY); 592 593 /* Delete all screens managed by this display */ 594 for (i = 0; i < WSDISPLAY_MAXSCREEN; i++) 595 if (sc->sc_scr[i] != NULL) { 596 if ((rc = wsdisplay_delscreen(sc, i, 597 WSDISPLAY_DELSCR_QUIET | (flags & DETACH_FORCE ? 598 WSDISPLAY_DELSCR_FORCE : 0))) != 0) 599 return (rc); 600 } 601 602 #ifdef HAVE_BURNER_SUPPORT 603 timeout_del(&sc->sc_burner); 604 #endif 605 606 #if NWSKBD > 0 607 if (sc->sc_input != NULL) { 608 #if NWSMUX > 0 609 /* 610 * If we are the display of the mux we are attached to, 611 * disconnect all input devices from us. 612 */ 613 if (sc->sc_input->me_dispdv == &sc->sc_dv) { 614 if ((rc = wsmux_set_display((struct wsmux_softc *) 615 sc->sc_input, NULL)) != 0) 616 return (rc); 617 } 618 619 /* 620 * XXX 621 * If we created a standalone mux (dmux), we should destroy it 622 * there, but there is currently no support for this in wsmux. 623 */ 624 #else 625 if ((rc = wskbd_set_display((struct device *)sc->sc_input, 626 NULL)) != 0) 627 return (rc); 628 #endif 629 } 630 #endif 631 632 return (0); 633 } 634 635 /* Print function (for parent devices). */ 636 int 637 wsemuldisplaydevprint(void *aux, const char *pnp) 638 { 639 #if 0 /* -Wunused */ 640 struct wsemuldisplaydev_attach_args *ap = aux; 641 #endif 642 643 if (pnp) 644 printf("wsdisplay at %s", pnp); 645 #if 0 /* don't bother; it's ugly */ 646 printf(" console %d", ap->console); 647 #endif 648 649 return (UNCONF); 650 } 651 652 /* Submatch function (for parent devices). */ 653 int 654 wsemuldisplaydevsubmatch(struct device *parent, void *match, void *aux) 655 { 656 extern struct cfdriver wsdisplay_cd; 657 struct cfdata *cf = match; 658 659 /* only allow wsdisplay to attach */ 660 if (cf->cf_driver == &wsdisplay_cd) 661 return ((*cf->cf_attach->ca_match)(parent, match, aux)); 662 663 return (0); 664 } 665 666 void 667 wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux, 668 const struct wsscreen_list *scrdata, 669 const struct wsdisplay_accessops *accessops, void *accesscookie, 670 u_int defaultscreens) 671 { 672 int i, start = 0; 673 #if NWSKBD > 0 674 struct wsevsrc *kme; 675 #if NWSMUX > 0 676 struct wsmux_softc *mux; 677 678 if (kbdmux >= 0) 679 mux = wsmux_getmux(kbdmux); 680 else 681 mux = wsmux_create("dmux", sc->sc_dv.dv_unit); 682 /* XXX panic()ing isn't nice, but attach cannot fail */ 683 if (mux == NULL) 684 panic("wsdisplay_common_attach: no memory"); 685 sc->sc_input = &mux->sc_base; 686 687 if (kbdmux >= 0) 688 printf(" mux %d", kbdmux); 689 #else 690 #if 0 /* not worth keeping, especially since the default value is not -1... */ 691 if (kbdmux >= 0) 692 printf(" (mux ignored)"); 693 #endif 694 #endif /* NWSMUX > 0 */ 695 #endif /* NWSKBD > 0 */ 696 697 sc->sc_isconsole = console; 698 sc->sc_resumescreen = WSDISPLAY_NULLSCREEN; 699 700 if (console) { 701 KASSERT(wsdisplay_console_initted); 702 KASSERT(wsdisplay_console_device == NULL); 703 704 sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0); 705 if (sc->sc_scr[0] == NULL) 706 return; 707 wsdisplay_console_device = sc; 708 709 printf(": console (%s, %s emulation)", 710 wsdisplay_console_conf.scrdata->name, 711 wsdisplay_console_conf.wsemul->name); 712 713 #if NWSKBD > 0 714 kme = wskbd_set_console_display(&sc->sc_dv, sc->sc_input); 715 if (kme != NULL) 716 printf(", using %s", kme->me_dv.dv_xname); 717 #if NWSMUX == 0 718 sc->sc_input = kme; 719 #endif 720 #endif 721 722 sc->sc_focusidx = 0; 723 sc->sc_focus = sc->sc_scr[0]; 724 start = 1; 725 } 726 printf("\n"); 727 728 #if NWSKBD > 0 && NWSMUX > 0 729 /* 730 * If this mux did not have a display device yet, volunteer for 731 * the job. 732 */ 733 if (mux->sc_displaydv == NULL) 734 wsmux_set_display(mux, &sc->sc_dv); 735 #endif 736 737 sc->sc_accessops = accessops; 738 sc->sc_accesscookie = accesscookie; 739 sc->sc_scrdata = scrdata; 740 741 /* 742 * Set up a number of virtual screens if wanted. The 743 * WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code 744 * is for special cases like installation kernels, as well as 745 * sane multihead defaults. 746 */ 747 if (defaultscreens == 0) 748 defaultscreens = wsdisplay_defaultscreens; 749 for (i = start; i < defaultscreens; i++) { 750 if (wsdisplay_addscreen(sc, i, 0, 0)) 751 break; 752 } 753 754 if (i > start) 755 wsdisplay_addscreen_print(sc, start, i-start); 756 757 #ifdef HAVE_BURNER_SUPPORT 758 sc->sc_burnoutintvl = (hz * WSDISPLAY_DEFBURNOUT) / 1000; 759 sc->sc_burninintvl = (hz * WSDISPLAY_DEFBURNIN) / 1000; 760 sc->sc_burnflags = WSDISPLAY_BURN_OUTPUT | WSDISPLAY_BURN_KBD | 761 WSDISPLAY_BURN_MOUSE; 762 timeout_set(&sc->sc_burner, wsdisplay_burner, sc); 763 sc->sc_burnout = sc->sc_burnoutintvl; 764 wsdisplay_burn(sc, sc->sc_burnflags); 765 #endif 766 767 #if NWSKBD > 0 && NWSMUX == 0 768 if (console == 0) { 769 /* 770 * In the non-wsmux world, always connect wskbd0 and wsdisplay0 771 * together. 772 */ 773 extern struct cfdriver wskbd_cd; 774 775 if (wskbd_cd.cd_ndevs != 0 && sc->sc_dv.dv_unit == 0) { 776 if (wsdisplay_set_kbd(&sc->sc_dv, 777 (struct wsevsrc *)wskbd_cd.cd_devs[0]) == 0) 778 wskbd_set_display(wskbd_cd.cd_devs[0], 779 &sc->sc_dv); 780 } 781 } 782 #endif 783 } 784 785 void 786 wsdisplay_cnattach(const struct wsscreen_descr *type, void *cookie, int ccol, 787 int crow, long defattr) 788 { 789 const struct wsemul_ops *wsemul; 790 const struct wsdisplay_emulops *emulops; 791 792 KASSERT(type->nrows > 0); 793 KASSERT(type->ncols > 0); 794 KASSERT(crow < type->nrows); 795 KASSERT(ccol < type->ncols); 796 797 wsdisplay_console_conf.emulops = emulops = type->textops; 798 wsdisplay_console_conf.emulcookie = cookie; 799 wsdisplay_console_conf.scrdata = type; 800 801 #ifdef WSEMUL_DUMB 802 /* 803 * If the emulops structure is crippled, force a dumb emulation. 804 */ 805 if (emulops->cursor == NULL || 806 emulops->copycols == NULL || emulops->copyrows == NULL || 807 emulops->erasecols == NULL || emulops->eraserows == NULL) 808 wsemul = wsemul_pick("dumb"); 809 else 810 #endif 811 wsemul = wsemul_pick(""); 812 wsdisplay_console_conf.wsemul = wsemul; 813 wsdisplay_console_conf.wsemulcookie = 814 (*wsemul->cnattach)(type, cookie, ccol, crow, defattr); 815 816 if (!wsdisplay_console_initted) 817 cn_tab = &wsdisplay_cons; 818 819 wsdisplay_console_initted = 1; 820 } 821 822 /* 823 * Tty and cdevsw functions. 824 */ 825 int 826 wsdisplayopen(dev_t dev, int flag, int mode, struct proc *p) 827 { 828 struct wsdisplay_softc *sc; 829 struct tty *tp; 830 int unit, newopen, error; 831 struct wsscreen *scr; 832 833 unit = WSDISPLAYUNIT(dev); 834 if (unit >= wsdisplay_cd.cd_ndevs || /* make sure it was attached */ 835 (sc = wsdisplay_cd.cd_devs[unit]) == NULL) 836 return (ENXIO); 837 838 if (ISWSDISPLAYCTL(dev)) 839 return (0); 840 841 if (WSDISPLAYSCREEN(dev) >= WSDISPLAY_MAXSCREEN) 842 return (ENXIO); 843 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 844 return (ENXIO); 845 846 if (WSSCREEN_HAS_TTY(scr)) { 847 tp = scr->scr_tty; 848 tp->t_oproc = wsdisplaystart; 849 tp->t_param = wsdisplayparam; 850 tp->t_dev = dev; 851 newopen = (tp->t_state & TS_ISOPEN) == 0; 852 if (newopen) { 853 ttychars(tp); 854 tp->t_iflag = TTYDEF_IFLAG; 855 tp->t_oflag = TTYDEF_OFLAG; 856 tp->t_cflag = TTYDEF_CFLAG; 857 tp->t_lflag = TTYDEF_LFLAG; 858 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 859 wsdisplayparam(tp, &tp->t_termios); 860 ttsetwater(tp); 861 } else if ((tp->t_state & TS_XCLUDE) != 0 && 862 suser(p, 0) != 0) 863 return (EBUSY); 864 tp->t_state |= TS_CARR_ON; 865 866 error = ((*linesw[tp->t_line].l_open)(dev, tp, p)); 867 if (error) 868 return (error); 869 870 if (newopen) { 871 /* set window sizes as appropriate, and reset 872 the emulation */ 873 tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows; 874 tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols; 875 } 876 } 877 878 scr->scr_flags |= SCR_OPEN; 879 return (0); 880 } 881 882 int 883 wsdisplayclose(dev_t dev, int flag, int mode, struct proc *p) 884 { 885 struct wsdisplay_softc *sc; 886 struct tty *tp; 887 int unit; 888 struct wsscreen *scr; 889 890 unit = WSDISPLAYUNIT(dev); 891 sc = wsdisplay_cd.cd_devs[unit]; 892 893 if (ISWSDISPLAYCTL(dev)) 894 return (0); 895 896 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 897 return (ENXIO); 898 899 if (WSSCREEN_HAS_TTY(scr)) { 900 if (scr->scr_hold_screen) { 901 int s; 902 903 /* XXX RESET KEYBOARD LEDS, etc. */ 904 s = spltty(); /* avoid conflict with keyboard */ 905 wsdisplay_kbdholdscr(scr, 0); 906 splx(s); 907 } 908 tp = scr->scr_tty; 909 (*linesw[tp->t_line].l_close)(tp, flag, p); 910 ttyclose(tp); 911 } 912 913 #ifdef WSDISPLAY_COMPAT_USL 914 if (scr->scr_syncops) 915 (*scr->scr_syncops->destroy)(scr->scr_synccookie); 916 #endif 917 918 scr->scr_flags &= ~SCR_GRAPHICS; 919 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 920 WSEMUL_RESET); 921 if (wsdisplay_clearonclose) 922 (*scr->scr_dconf->wsemul->reset) 923 (scr->scr_dconf->wsemulcookie, WSEMUL_CLEARSCREEN); 924 925 #ifdef WSDISPLAY_COMPAT_RAWKBD 926 if (scr->scr_rawkbd) { 927 int kbmode = WSKBD_TRANSLATED; 928 (void) wsdisplay_internal_ioctl(sc, scr, WSKBDIO_SETMODE, 929 (caddr_t)&kbmode, FWRITE, p); 930 } 931 #endif 932 933 scr->scr_flags &= ~SCR_OPEN; 934 935 #ifdef HAVE_WSMOUSED_SUPPORT 936 /* remove the selection at logout */ 937 if (sc->sc_copybuffer != NULL) 938 bzero(sc->sc_copybuffer, sc->sc_copybuffer_size); 939 CLR(sc->sc_flags, SC_PASTE_AVAIL); 940 #endif 941 942 return (0); 943 } 944 945 int 946 wsdisplayread(dev_t dev, struct uio *uio, int flag) 947 { 948 struct wsdisplay_softc *sc; 949 struct tty *tp; 950 int unit; 951 struct wsscreen *scr; 952 953 unit = WSDISPLAYUNIT(dev); 954 sc = wsdisplay_cd.cd_devs[unit]; 955 956 if (ISWSDISPLAYCTL(dev)) 957 return (0); 958 959 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 960 return (ENXIO); 961 962 if (!WSSCREEN_HAS_TTY(scr)) 963 return (ENODEV); 964 965 tp = scr->scr_tty; 966 return ((*linesw[tp->t_line].l_read)(tp, uio, flag)); 967 } 968 969 int 970 wsdisplaywrite(dev_t dev, struct uio *uio, int flag) 971 { 972 struct wsdisplay_softc *sc; 973 struct tty *tp; 974 int unit; 975 struct wsscreen *scr; 976 977 unit = WSDISPLAYUNIT(dev); 978 sc = wsdisplay_cd.cd_devs[unit]; 979 980 if (ISWSDISPLAYCTL(dev)) 981 return (0); 982 983 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 984 return (ENXIO); 985 986 if (!WSSCREEN_HAS_TTY(scr)) 987 return (ENODEV); 988 989 tp = scr->scr_tty; 990 return ((*linesw[tp->t_line].l_write)(tp, uio, flag)); 991 } 992 993 struct tty * 994 wsdisplaytty(dev_t dev) 995 { 996 struct wsdisplay_softc *sc; 997 int unit; 998 struct wsscreen *scr; 999 1000 unit = WSDISPLAYUNIT(dev); 1001 sc = wsdisplay_cd.cd_devs[unit]; 1002 1003 if (ISWSDISPLAYCTL(dev)) 1004 panic("wsdisplaytty() on ctl device"); 1005 1006 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1007 return (NULL); 1008 1009 return (scr->scr_tty); 1010 } 1011 1012 int 1013 wsdisplayioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 1014 { 1015 struct wsdisplay_softc *sc; 1016 struct tty *tp; 1017 int unit, error; 1018 struct wsscreen *scr; 1019 1020 unit = WSDISPLAYUNIT(dev); 1021 sc = wsdisplay_cd.cd_devs[unit]; 1022 1023 #ifdef WSDISPLAY_COMPAT_USL 1024 error = wsdisplay_usl_ioctl1(sc, cmd, data, flag, p); 1025 if (error >= 0) 1026 return (error); 1027 #endif 1028 1029 if (ISWSDISPLAYCTL(dev)) { 1030 if (cmd != WSDISPLAYIO_GTYPE) 1031 return (wsdisplay_cfg_ioctl(sc, cmd, data, flag, p)); 1032 /* pass WSDISPLAYIO_GTYPE to the first screen */ 1033 dev = makedev(major(dev), WSDISPLAYMINOR(unit, 0)); 1034 } 1035 1036 if (WSDISPLAYSCREEN(dev) >= WSDISPLAY_MAXSCREEN) 1037 return (ENODEV); 1038 1039 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1040 return (ENXIO); 1041 1042 if (WSSCREEN_HAS_TTY(scr)) { 1043 tp = scr->scr_tty; 1044 1045 /* printf("disc\n"); */ 1046 /* do the line discipline ioctls first */ 1047 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1048 if (error >= 0) 1049 return (error); 1050 1051 /* printf("tty\n"); */ 1052 /* then the tty ioctls */ 1053 error = ttioctl(tp, cmd, data, flag, p); 1054 if (error >= 0) 1055 return (error); 1056 } 1057 1058 #ifdef WSDISPLAY_COMPAT_USL 1059 error = wsdisplay_usl_ioctl2(sc, scr, cmd, data, flag, p); 1060 if (error >= 0) 1061 return (error); 1062 #endif 1063 1064 error = wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, p); 1065 return (error != -1 ? error : ENOTTY); 1066 } 1067 1068 int 1069 wsdisplay_param(struct device *dev, u_long cmd, struct wsdisplay_param *dp) 1070 { 1071 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1072 1073 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, 1074 (caddr_t)dp, 0, NULL)); 1075 } 1076 1077 int 1078 wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *scr, 1079 u_long cmd, caddr_t data, int flag, struct proc *p) 1080 { 1081 int error; 1082 1083 #if NWSKBD > 0 1084 struct wsevsrc *inp; 1085 1086 #ifdef WSDISPLAY_COMPAT_RAWKBD 1087 switch (cmd) { 1088 case WSKBDIO_SETMODE: 1089 if ((flag & FWRITE) == 0) 1090 return (EACCES); 1091 scr->scr_rawkbd = (*(int *)data == WSKBD_RAW); 1092 return (wsdisplay_update_rawkbd(sc, scr)); 1093 case WSKBDIO_GETMODE: 1094 *(int *)data = (scr->scr_rawkbd ? 1095 WSKBD_RAW : WSKBD_TRANSLATED); 1096 return (0); 1097 } 1098 #endif 1099 inp = sc->sc_input; 1100 if (inp != NULL) { 1101 error = wsevsrc_display_ioctl(inp, cmd, data, flag, p); 1102 if (error >= 0) 1103 return (error); 1104 } 1105 #endif /* NWSKBD > 0 */ 1106 1107 switch (cmd) { 1108 case WSDISPLAYIO_SMODE: 1109 case WSDISPLAYIO_USEFONT: 1110 #ifdef HAVE_BURNER_SUPPORT 1111 case WSDISPLAYIO_SVIDEO: 1112 case WSDISPLAYIO_SBURNER: 1113 #endif 1114 case WSDISPLAYIO_SETSCREEN: 1115 if ((flag & FWRITE) == 0) 1116 return (EACCES); 1117 } 1118 1119 switch (cmd) { 1120 case WSDISPLAYIO_GMODE: 1121 if (scr->scr_flags & SCR_GRAPHICS) { 1122 if (scr->scr_flags & SCR_DUMBFB) 1123 *(u_int *)data = WSDISPLAYIO_MODE_DUMBFB; 1124 else 1125 *(u_int *)data = WSDISPLAYIO_MODE_MAPPED; 1126 } else 1127 *(u_int *)data = WSDISPLAYIO_MODE_EMUL; 1128 return (0); 1129 1130 case WSDISPLAYIO_SMODE: 1131 #define d (*(int *)data) 1132 if (d != WSDISPLAYIO_MODE_EMUL && 1133 d != WSDISPLAYIO_MODE_MAPPED && 1134 d != WSDISPLAYIO_MODE_DUMBFB) 1135 return (EINVAL); 1136 1137 scr->scr_flags &= ~SCR_GRAPHICS; 1138 if (d == WSDISPLAYIO_MODE_MAPPED || 1139 d == WSDISPLAYIO_MODE_DUMBFB) { 1140 scr->scr_flags |= SCR_GRAPHICS | 1141 ((d == WSDISPLAYIO_MODE_DUMBFB) ? SCR_DUMBFB : 0); 1142 1143 /* clear cursor */ 1144 (*scr->scr_dconf->wsemul->reset) 1145 (scr->scr_dconf->wsemulcookie, WSEMUL_CLEARCURSOR); 1146 } 1147 1148 #ifdef HAVE_BURNER_SUPPORT 1149 wsdisplay_burner_setup(sc, scr); 1150 #endif 1151 1152 (void)(*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data, 1153 flag, p); 1154 1155 return (0); 1156 #undef d 1157 1158 case WSDISPLAYIO_USEFONT: 1159 #define d ((struct wsdisplay_font *)data) 1160 if (!sc->sc_accessops->load_font) 1161 return (EINVAL); 1162 d->data = NULL; 1163 error = (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 1164 scr->scr_dconf->emulcookie, d); 1165 if (!error) 1166 (*scr->scr_dconf->wsemul->reset) 1167 (scr->scr_dconf->wsemulcookie, WSEMUL_SYNCFONT); 1168 return (error); 1169 #undef d 1170 #ifdef HAVE_BURNER_SUPPORT 1171 case WSDISPLAYIO_GVIDEO: 1172 *(u_int *)data = !sc->sc_burnman; 1173 break; 1174 1175 case WSDISPLAYIO_SVIDEO: 1176 if (*(u_int *)data != WSDISPLAYIO_VIDEO_OFF && 1177 *(u_int *)data != WSDISPLAYIO_VIDEO_ON) 1178 return (EINVAL); 1179 if (sc->sc_accessops->burn_screen == NULL) 1180 return (EOPNOTSUPP); 1181 (*sc->sc_accessops->burn_screen)(sc->sc_accesscookie, 1182 *(u_int *)data, sc->sc_burnflags); 1183 sc->sc_burnman = *(u_int *)data == WSDISPLAYIO_VIDEO_OFF; 1184 break; 1185 1186 case WSDISPLAYIO_GBURNER: 1187 #define d ((struct wsdisplay_burner *)data) 1188 d->on = sc->sc_burninintvl * 1000 / hz; 1189 d->off = sc->sc_burnoutintvl * 1000 / hz; 1190 d->flags = sc->sc_burnflags; 1191 return (0); 1192 1193 case WSDISPLAYIO_SBURNER: 1194 { 1195 struct wsscreen *active; 1196 1197 if (d->flags & ~(WSDISPLAY_BURN_VBLANK | WSDISPLAY_BURN_KBD | 1198 WSDISPLAY_BURN_MOUSE | WSDISPLAY_BURN_OUTPUT)) 1199 return EINVAL; 1200 1201 error = 0; 1202 sc->sc_burnflags = d->flags; 1203 /* disable timeout if necessary */ 1204 if ((sc->sc_burnflags & (WSDISPLAY_BURN_OUTPUT | 1205 WSDISPLAY_BURN_KBD | WSDISPLAY_BURN_MOUSE)) == 0) { 1206 if (sc->sc_burnout) 1207 timeout_del(&sc->sc_burner); 1208 } 1209 1210 active = sc->sc_focus; 1211 if (active == NULL) 1212 active = scr; 1213 1214 if (d->on) { 1215 sc->sc_burninintvl = hz * d->on / 1000; 1216 if (sc->sc_burnman) { 1217 sc->sc_burnout = sc->sc_burninintvl; 1218 /* reinit timeout if changed */ 1219 if ((active->scr_flags & SCR_GRAPHICS) == 0) 1220 wsdisplay_burn(sc, sc->sc_burnflags); 1221 } 1222 } 1223 if (d->off) { 1224 sc->sc_burnoutintvl = hz * d->off / 1000; 1225 if (!sc->sc_burnman) { 1226 sc->sc_burnout = sc->sc_burnoutintvl; 1227 /* reinit timeout if changed */ 1228 if ((active->scr_flags & SCR_GRAPHICS) == 0) 1229 wsdisplay_burn(sc, sc->sc_burnflags); 1230 } 1231 } 1232 return (error); 1233 } 1234 #undef d 1235 #endif /* HAVE_BURNER_SUPPORT */ 1236 case WSDISPLAYIO_GETSCREEN: 1237 return (wsdisplay_getscreen(sc, 1238 (struct wsdisplay_addscreendata *)data)); 1239 1240 case WSDISPLAYIO_SETSCREEN: 1241 return (wsdisplay_switch((void *)sc, *(int *)data, 1)); 1242 1243 case WSDISPLAYIO_GETSCREENTYPE: 1244 #define d ((struct wsdisplay_screentype *)data) 1245 if (d->idx >= sc->sc_scrdata->nscreens) 1246 return(EINVAL); 1247 1248 d->nidx = sc->sc_scrdata->nscreens; 1249 strncpy(d->name, sc->sc_scrdata->screens[d->idx]->name, 1250 WSSCREEN_NAME_SIZE); 1251 d->ncols = sc->sc_scrdata->screens[d->idx]->ncols; 1252 d->nrows = sc->sc_scrdata->screens[d->idx]->nrows; 1253 d->fontwidth = sc->sc_scrdata->screens[d->idx]->fontwidth; 1254 d->fontheight = sc->sc_scrdata->screens[d->idx]->fontheight; 1255 return (0); 1256 #undef d 1257 case WSDISPLAYIO_GETEMULTYPE: 1258 #define d ((struct wsdisplay_emultype *)data) 1259 if (wsemul_getname(d->idx) == NULL) 1260 return(EINVAL); 1261 strncpy(d->name, wsemul_getname(d->idx), WSEMUL_NAME_SIZE); 1262 return (0); 1263 #undef d 1264 } 1265 1266 /* check ioctls for display */ 1267 return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data, 1268 flag, p)); 1269 } 1270 1271 int 1272 wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data, 1273 int flag, struct proc *p) 1274 { 1275 int error; 1276 void *buf; 1277 size_t fontsz; 1278 #if NWSKBD > 0 1279 struct wsevsrc *inp; 1280 #endif 1281 1282 switch (cmd) { 1283 #ifdef HAVE_WSMOUSED_SUPPORT 1284 case WSDISPLAYIO_WSMOUSED: 1285 error = wsmoused(sc, data, flag, p); 1286 return (error); 1287 #endif 1288 case WSDISPLAYIO_ADDSCREEN: 1289 #define d ((struct wsdisplay_addscreendata *)data) 1290 if ((error = wsdisplay_addscreen(sc, d->idx, 1291 d->screentype, d->emul)) == 0) 1292 wsdisplay_addscreen_print(sc, d->idx, 0); 1293 return (error); 1294 #undef d 1295 case WSDISPLAYIO_DELSCREEN: 1296 #define d ((struct wsdisplay_delscreendata *)data) 1297 return (wsdisplay_delscreen(sc, d->idx, d->flags)); 1298 #undef d 1299 case WSDISPLAYIO_GETSCREEN: 1300 return (wsdisplay_getscreen(sc, 1301 (struct wsdisplay_addscreendata *)data)); 1302 case WSDISPLAYIO_SETSCREEN: 1303 return (wsdisplay_switch((void *)sc, *(int *)data, 1)); 1304 case WSDISPLAYIO_LDFONT: 1305 #define d ((struct wsdisplay_font *)data) 1306 if (!sc->sc_accessops->load_font) 1307 return (EINVAL); 1308 fontsz = d->fontheight * d->stride * d->numchars; 1309 if (fontsz > WSDISPLAY_MAXFONTSZ) 1310 return (EINVAL); 1311 1312 buf = malloc(fontsz, M_DEVBUF, M_WAITOK); 1313 error = copyin(d->data, buf, fontsz); 1314 if (error) { 1315 free(buf, M_DEVBUF, fontsz); 1316 return (error); 1317 } 1318 d->data = buf; 1319 error = 1320 (*sc->sc_accessops->load_font)(sc->sc_accesscookie, 0, d); 1321 if (error) 1322 free(buf, M_DEVBUF, fontsz); 1323 return (error); 1324 1325 case WSDISPLAYIO_LSFONT: 1326 if (!sc->sc_accessops->list_font) 1327 return (EINVAL); 1328 error = 1329 (*sc->sc_accessops->list_font)(sc->sc_accesscookie, d); 1330 return (error); 1331 1332 case WSDISPLAYIO_DELFONT: 1333 return (EINVAL); 1334 #undef d 1335 1336 #if NWSKBD > 0 1337 case WSMUXIO_ADD_DEVICE: 1338 #define d ((struct wsmux_device *)data) 1339 if (d->idx == -1 && d->type == WSMUX_KBD) 1340 d->idx = wskbd_pickfree(); 1341 #undef d 1342 /* FALLTHROUGH */ 1343 case WSMUXIO_INJECTEVENT: 1344 case WSMUXIO_REMOVE_DEVICE: 1345 case WSMUXIO_LIST_DEVICES: 1346 inp = sc->sc_input; 1347 if (inp == NULL) 1348 return (ENXIO); 1349 return (wsevsrc_ioctl(inp, cmd, data, flag,p)); 1350 #endif /* NWSKBD > 0 */ 1351 1352 } 1353 return (EINVAL); 1354 } 1355 1356 paddr_t 1357 wsdisplaymmap(dev_t dev, off_t offset, int prot) 1358 { 1359 struct wsdisplay_softc *sc = wsdisplay_cd.cd_devs[WSDISPLAYUNIT(dev)]; 1360 struct wsscreen *scr; 1361 1362 if (ISWSDISPLAYCTL(dev)) 1363 return (-1); 1364 1365 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1366 return (-1); 1367 1368 if (!(scr->scr_flags & SCR_GRAPHICS)) 1369 return (-1); 1370 1371 /* pass mmap to display */ 1372 return ((*sc->sc_accessops->mmap)(sc->sc_accesscookie, offset, prot)); 1373 } 1374 1375 int 1376 wsdisplaypoll(dev_t dev, int events, struct proc *p) 1377 { 1378 struct wsdisplay_softc *sc = wsdisplay_cd.cd_devs[WSDISPLAYUNIT(dev)]; 1379 struct wsscreen *scr; 1380 1381 if (ISWSDISPLAYCTL(dev)) 1382 return (0); 1383 1384 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1385 return (POLLERR); 1386 1387 if (!WSSCREEN_HAS_TTY(scr)) 1388 return (POLLERR); 1389 1390 return (ttpoll(dev, events, p)); 1391 } 1392 1393 int 1394 wsdisplaykqfilter(dev_t dev, struct knote *kn) 1395 { 1396 struct wsdisplay_softc *sc = wsdisplay_cd.cd_devs[WSDISPLAYUNIT(dev)]; 1397 struct wsscreen *scr; 1398 1399 if (ISWSDISPLAYCTL(dev)) 1400 return (ENXIO); 1401 1402 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(dev)]) == NULL) 1403 return (ENXIO); 1404 1405 if (!WSSCREEN_HAS_TTY(scr)) 1406 return (ENXIO); 1407 1408 return (ttkqfilter(dev, kn)); 1409 } 1410 1411 void 1412 wsdisplaystart(struct tty *tp) 1413 { 1414 struct wsdisplay_softc *sc; 1415 struct wsscreen *scr; 1416 int s, n, done, unit; 1417 u_char *buf; 1418 1419 unit = WSDISPLAYUNIT(tp->t_dev); 1420 if (unit >= wsdisplay_cd.cd_ndevs || 1421 (sc = wsdisplay_cd.cd_devs[unit]) == NULL) 1422 return; 1423 1424 s = spltty(); 1425 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) { 1426 splx(s); 1427 return; 1428 } 1429 if (tp->t_outq.c_cc == 0 && tp->t_wsel.si_selpid == 0) 1430 goto low; 1431 1432 if ((scr = sc->sc_scr[WSDISPLAYSCREEN(tp->t_dev)]) == NULL) { 1433 splx(s); 1434 return; 1435 } 1436 if (scr->scr_hold_screen) { 1437 tp->t_state |= TS_TIMEOUT; 1438 splx(s); 1439 return; 1440 } 1441 tp->t_state |= TS_BUSY; 1442 splx(s); 1443 1444 /* 1445 * Drain output from ring buffer. 1446 * The output will normally be in one contiguous chunk, but when the 1447 * ring wraps, it will be in two pieces.. one at the end of the ring, 1448 * the other at the start. For performance, rather than loop here, 1449 * we output one chunk, see if there's another one, and if so, output 1450 * it too. 1451 */ 1452 1453 n = ndqb(&tp->t_outq, 0); 1454 buf = tp->t_outq.c_cf; 1455 1456 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1457 #ifdef HAVE_BURNER_SUPPORT 1458 wsdisplay_burn(sc, WSDISPLAY_BURN_OUTPUT); 1459 #endif 1460 #ifdef HAVE_WSMOUSED_SUPPORT 1461 if (scr == sc->sc_focus) 1462 mouse_remove(scr); 1463 #endif 1464 done = (*scr->scr_dconf->wsemul->output) 1465 (scr->scr_dconf->wsemulcookie, buf, n, 0); 1466 } else 1467 done = n; 1468 ndflush(&tp->t_outq, done); 1469 1470 if (done == n) { 1471 if ((n = ndqb(&tp->t_outq, 0)) > 0) { 1472 buf = tp->t_outq.c_cf; 1473 1474 if (!(scr->scr_flags & SCR_GRAPHICS)) { 1475 done = (*scr->scr_dconf->wsemul->output) 1476 (scr->scr_dconf->wsemulcookie, buf, n, 0); 1477 } else 1478 done = n; 1479 ndflush(&tp->t_outq, done); 1480 } 1481 } 1482 1483 s = spltty(); 1484 tp->t_state &= ~TS_BUSY; 1485 /* Come back if there's more to do */ 1486 if (tp->t_outq.c_cc) { 1487 tp->t_state |= TS_TIMEOUT; 1488 timeout_add(&tp->t_rstrt_to, (hz > 128) ? (hz / 128) : 1); 1489 } 1490 low: 1491 ttwakeupwr(tp); 1492 splx(s); 1493 } 1494 1495 int 1496 wsdisplaystop(struct tty *tp, int flag) 1497 { 1498 int s; 1499 1500 s = spltty(); 1501 if (ISSET(tp->t_state, TS_BUSY)) 1502 if (!ISSET(tp->t_state, TS_TTSTOP)) 1503 SET(tp->t_state, TS_FLUSH); 1504 splx(s); 1505 1506 return (0); 1507 } 1508 1509 /* Set line parameters. */ 1510 int 1511 wsdisplayparam(struct tty *tp, struct termios *t) 1512 { 1513 1514 tp->t_ispeed = t->c_ispeed; 1515 tp->t_ospeed = t->c_ospeed; 1516 tp->t_cflag = t->c_cflag; 1517 return (0); 1518 } 1519 1520 /* 1521 * Callbacks for the emulation code. 1522 */ 1523 void 1524 wsdisplay_emulbell(void *v) 1525 { 1526 struct wsscreen *scr = v; 1527 1528 if (scr == NULL) /* console, before real attach */ 1529 return; 1530 1531 if (scr->scr_flags & SCR_GRAPHICS) /* can this happen? */ 1532 return; 1533 1534 (void) wsdisplay_internal_ioctl(scr->sc, scr, WSKBDIO_BELL, NULL, 1535 FWRITE, NULL); 1536 } 1537 1538 #if !defined(WSEMUL_NO_VT100) 1539 void 1540 wsdisplay_emulinput(void *v, const u_char *data, u_int count) 1541 { 1542 struct wsscreen *scr = v; 1543 struct tty *tp; 1544 1545 if (v == NULL) /* console, before real attach */ 1546 return; 1547 1548 if (scr->scr_flags & SCR_GRAPHICS) /* XXX can't happen */ 1549 return; 1550 if (!WSSCREEN_HAS_TTY(scr)) 1551 return; 1552 1553 tp = scr->scr_tty; 1554 while (count-- > 0) 1555 (*linesw[tp->t_line].l_rint)(*data++, tp); 1556 } 1557 #endif 1558 1559 /* 1560 * Calls from the keyboard interface. 1561 */ 1562 void 1563 wsdisplay_kbdinput(struct device *dev, kbd_t layout, keysym_t *ks, int num) 1564 { 1565 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1566 struct wsscreen *scr; 1567 const u_char *dp; 1568 int count; 1569 struct tty *tp; 1570 1571 scr = sc->sc_focus; 1572 if (!scr || !WSSCREEN_HAS_TTY(scr)) 1573 return; 1574 1575 1576 tp = scr->scr_tty; 1577 for (; num > 0; num--) { 1578 count = (*scr->scr_dconf->wsemul->translate) 1579 (scr->scr_dconf->wsemulcookie, layout, *ks++, &dp); 1580 while (count-- > 0) 1581 (*linesw[tp->t_line].l_rint)(*dp++, tp); 1582 } 1583 } 1584 1585 #ifdef WSDISPLAY_COMPAT_RAWKBD 1586 void 1587 wsdisplay_rawkbdinput(struct device *dev, u_char *buf, int num) 1588 { 1589 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1590 struct wsscreen *scr; 1591 struct tty *tp; 1592 1593 scr = sc->sc_focus; 1594 if (!scr || !WSSCREEN_HAS_TTY(scr)) 1595 return; 1596 1597 tp = scr->scr_tty; 1598 while (num-- > 0) 1599 (*linesw[tp->t_line].l_rint)(*buf++, tp); 1600 } 1601 int 1602 wsdisplay_update_rawkbd(struct wsdisplay_softc *sc, struct wsscreen *scr) 1603 { 1604 #if NWSKBD > 0 1605 int s, raw, data, error; 1606 struct wsevsrc *inp; 1607 1608 s = spltty(); 1609 1610 raw = (scr ? scr->scr_rawkbd : 0); 1611 1612 if (scr != sc->sc_focus || sc->sc_rawkbd == raw) { 1613 splx(s); 1614 return (0); 1615 } 1616 1617 data = raw ? WSKBD_RAW : WSKBD_TRANSLATED; 1618 inp = sc->sc_input; 1619 if (inp == NULL) { 1620 splx(s); 1621 return (ENXIO); 1622 } 1623 error = wsevsrc_display_ioctl(inp, WSKBDIO_SETMODE, &data, FWRITE, 0); 1624 if (!error) 1625 sc->sc_rawkbd = raw; 1626 splx(s); 1627 return (error); 1628 #else 1629 return (0); 1630 #endif 1631 } 1632 #endif 1633 1634 int 1635 wsdisplay_switch3(void *arg, int error, int waitok) 1636 { 1637 struct wsdisplay_softc *sc = arg; 1638 int no; 1639 struct wsscreen *scr; 1640 1641 #ifdef WSDISPLAY_COMPAT_USL 1642 if (!ISSET(sc->sc_flags, SC_SWITCHPENDING)) { 1643 printf("wsdisplay_switch3: not switching\n"); 1644 return (EINVAL); 1645 } 1646 1647 no = sc->sc_screenwanted; 1648 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1649 panic("wsdisplay_switch3: invalid screen %d", no); 1650 scr = sc->sc_scr[no]; 1651 if (!scr) { 1652 printf("wsdisplay_switch3: screen %d disappeared\n", no); 1653 error = ENXIO; 1654 } 1655 1656 if (error) { 1657 /* try to recover, avoid recursion */ 1658 1659 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1660 printf("wsdisplay_switch3: giving up\n"); 1661 sc->sc_focus = NULL; 1662 #ifdef WSDISPLAY_COMPAT_RAWKBD 1663 wsdisplay_update_rawkbd(sc, 0); 1664 #endif 1665 CLR(sc->sc_flags, SC_SWITCHPENDING); 1666 return (error); 1667 } 1668 1669 sc->sc_screenwanted = sc->sc_oldscreen; 1670 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1671 return (wsdisplay_switch1(arg, 0, waitok)); 1672 } 1673 #else 1674 /* 1675 * If we do not have syncops support, we come straight from 1676 * wsdisplay_switch2 which has already validated our arguments 1677 * and did not sleep. 1678 */ 1679 no = sc->sc_screenwanted; 1680 scr = sc->sc_scr[no]; 1681 #endif 1682 1683 CLR(sc->sc_flags, SC_SWITCHPENDING); 1684 1685 #ifdef HAVE_BURNER_SUPPORT 1686 if (!error) 1687 wsdisplay_burner_setup(sc, scr); 1688 #endif 1689 1690 if (!error && (scr->scr_flags & SCR_WAITACTIVE)) 1691 wakeup(scr); 1692 return (error); 1693 } 1694 1695 int 1696 wsdisplay_switch2(void *arg, int error, int waitok) 1697 { 1698 struct wsdisplay_softc *sc = arg; 1699 int no; 1700 struct wsscreen *scr; 1701 1702 if (!ISSET(sc->sc_flags, SC_SWITCHPENDING)) { 1703 printf("wsdisplay_switch2: not switching\n"); 1704 return (EINVAL); 1705 } 1706 1707 no = sc->sc_screenwanted; 1708 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1709 panic("wsdisplay_switch2: invalid screen %d", no); 1710 scr = sc->sc_scr[no]; 1711 if (!scr) { 1712 printf("wsdisplay_switch2: screen %d disappeared\n", no); 1713 error = ENXIO; 1714 } 1715 1716 if (error) { 1717 /* try to recover, avoid recursion */ 1718 1719 if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) { 1720 printf("wsdisplay_switch2: giving up\n"); 1721 sc->sc_focus = NULL; 1722 CLR(sc->sc_flags, SC_SWITCHPENDING); 1723 return (error); 1724 } 1725 1726 sc->sc_screenwanted = sc->sc_oldscreen; 1727 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1728 return (wsdisplay_switch1(arg, 0, waitok)); 1729 } 1730 1731 sc->sc_focusidx = no; 1732 sc->sc_focus = scr; 1733 1734 #ifdef WSDISPLAY_COMPAT_RAWKBD 1735 (void) wsdisplay_update_rawkbd(sc, scr); 1736 #endif 1737 /* keyboard map??? */ 1738 1739 #ifdef WSDISPLAY_COMPAT_USL 1740 #define wsswitch_cb3 ((void (*)(void *, int, int))wsdisplay_switch3) 1741 if (scr->scr_syncops) { 1742 error = (*scr->scr_syncops->attach)(scr->scr_synccookie, waitok, 1743 sc->sc_isconsole && wsdisplay_cons_pollmode ? 1744 0 : wsswitch_cb3, sc); 1745 if (error == EAGAIN) { 1746 /* switch will be done asynchronously */ 1747 return (0); 1748 } 1749 } 1750 #endif 1751 1752 return (wsdisplay_switch3(sc, error, waitok)); 1753 } 1754 1755 int 1756 wsdisplay_switch1(void *arg, int error, int waitok) 1757 { 1758 struct wsdisplay_softc *sc = arg; 1759 int no; 1760 struct wsscreen *scr; 1761 1762 if (!ISSET(sc->sc_flags, SC_SWITCHPENDING)) { 1763 printf("wsdisplay_switch1: not switching\n"); 1764 return (EINVAL); 1765 } 1766 1767 no = sc->sc_screenwanted; 1768 if (no == WSDISPLAY_NULLSCREEN) { 1769 CLR(sc->sc_flags, SC_SWITCHPENDING); 1770 if (!error) { 1771 sc->sc_focus = NULL; 1772 } 1773 wakeup(sc); 1774 return (error); 1775 } 1776 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1777 panic("wsdisplay_switch1: invalid screen %d", no); 1778 scr = sc->sc_scr[no]; 1779 if (!scr) { 1780 printf("wsdisplay_switch1: screen %d disappeared\n", no); 1781 error = ENXIO; 1782 } 1783 1784 if (error) { 1785 CLR(sc->sc_flags, SC_SWITCHPENDING); 1786 return (error); 1787 } 1788 1789 #define wsswitch_cb2 ((void (*)(void *, int, int))wsdisplay_switch2) 1790 error = (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 1791 scr->scr_dconf->emulcookie, waitok, 1792 sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb2, sc); 1793 if (error == EAGAIN) { 1794 /* switch will be done asynchronously */ 1795 return (0); 1796 } 1797 1798 return (wsdisplay_switch2(sc, error, waitok)); 1799 } 1800 1801 int 1802 wsdisplay_switch(struct device *dev, int no, int waitok) 1803 { 1804 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1805 int s, res = 0; 1806 struct wsscreen *scr; 1807 1808 if (no != WSDISPLAY_NULLSCREEN) { 1809 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1810 return (EINVAL); 1811 if (sc->sc_scr[no] == NULL) 1812 return (ENXIO); 1813 } 1814 1815 s = spltty(); 1816 1817 while (sc->sc_resumescreen != WSDISPLAY_NULLSCREEN && res == 0) 1818 res = tsleep(&sc->sc_resumescreen, PCATCH, "wsrestore", 0); 1819 if (res) { 1820 splx(s); 1821 return (res); 1822 } 1823 1824 if ((sc->sc_focus && no == sc->sc_focusidx) || 1825 (sc->sc_focus == NULL && no == WSDISPLAY_NULLSCREEN)) { 1826 splx(s); 1827 return (0); 1828 } 1829 1830 if (ISSET(sc->sc_flags, SC_SWITCHPENDING)) { 1831 splx(s); 1832 return (EBUSY); 1833 } 1834 1835 SET(sc->sc_flags, SC_SWITCHPENDING); 1836 sc->sc_screenwanted = no; 1837 1838 splx(s); 1839 1840 scr = sc->sc_focus; 1841 if (!scr) { 1842 sc->sc_oldscreen = WSDISPLAY_NULLSCREEN; 1843 return (wsdisplay_switch1(sc, 0, waitok)); 1844 } else 1845 sc->sc_oldscreen = sc->sc_focusidx; 1846 1847 #ifdef WSDISPLAY_COMPAT_USL 1848 #define wsswitch_cb1 ((void (*)(void *, int, int))wsdisplay_switch1) 1849 if (scr->scr_syncops) { 1850 res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok, 1851 sc->sc_isconsole && wsdisplay_cons_pollmode ? 1852 0 : wsswitch_cb1, sc); 1853 if (res == EAGAIN) { 1854 /* switch will be done asynchronously */ 1855 return (0); 1856 } 1857 } else if (scr->scr_flags & SCR_GRAPHICS) { 1858 /* no way to save state */ 1859 res = EBUSY; 1860 } 1861 #endif 1862 1863 #ifdef HAVE_WSMOUSED_SUPPORT 1864 mouse_remove(scr); 1865 #endif 1866 1867 return (wsdisplay_switch1(sc, res, waitok)); 1868 } 1869 1870 void 1871 wsdisplay_reset(struct device *dev, enum wsdisplay_resetops op) 1872 { 1873 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 1874 struct wsscreen *scr; 1875 1876 scr = sc->sc_focus; 1877 1878 if (!scr) 1879 return; 1880 1881 switch (op) { 1882 case WSDISPLAY_RESETEMUL: 1883 (*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie, 1884 WSEMUL_RESET); 1885 break; 1886 case WSDISPLAY_RESETCLOSE: 1887 wsdisplay_closescreen(sc, scr); 1888 break; 1889 } 1890 } 1891 1892 #ifdef WSDISPLAY_COMPAT_USL 1893 /* 1894 * Interface for (external) VT switch / process synchronization code 1895 */ 1896 int 1897 wsscreen_attach_sync(struct wsscreen *scr, const struct wscons_syncops *ops, 1898 void *cookie) 1899 { 1900 if (scr->scr_syncops) { 1901 /* 1902 * The screen is already claimed. 1903 * Check if the owner is still alive. 1904 */ 1905 if ((*scr->scr_syncops->check)(scr->scr_synccookie)) 1906 return (EBUSY); 1907 } 1908 scr->scr_syncops = ops; 1909 scr->scr_synccookie = cookie; 1910 return (0); 1911 } 1912 1913 int 1914 wsscreen_detach_sync(struct wsscreen *scr) 1915 { 1916 if (!scr->scr_syncops) 1917 return (EINVAL); 1918 scr->scr_syncops = NULL; 1919 return (0); 1920 } 1921 1922 int 1923 wsscreen_lookup_sync(struct wsscreen *scr, 1924 const struct wscons_syncops *ops, /* used as ID */ 1925 void **cookiep) 1926 { 1927 if (!scr->scr_syncops || ops != scr->scr_syncops) 1928 return (EINVAL); 1929 *cookiep = scr->scr_synccookie; 1930 return (0); 1931 } 1932 #endif 1933 1934 /* 1935 * Interface to virtual screen stuff 1936 */ 1937 int 1938 wsdisplay_maxscreenidx(struct wsdisplay_softc *sc) 1939 { 1940 return (WSDISPLAY_MAXSCREEN - 1); 1941 } 1942 1943 int 1944 wsdisplay_screenstate(struct wsdisplay_softc *sc, int idx) 1945 { 1946 if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN) 1947 return (EINVAL); 1948 if (!sc->sc_scr[idx]) 1949 return (ENXIO); 1950 return ((sc->sc_scr[idx]->scr_flags & SCR_OPEN) ? EBUSY : 0); 1951 } 1952 1953 int 1954 wsdisplay_getactivescreen(struct wsdisplay_softc *sc) 1955 { 1956 return (sc->sc_focus ? sc->sc_focusidx : WSDISPLAY_NULLSCREEN); 1957 } 1958 1959 int 1960 wsscreen_switchwait(struct wsdisplay_softc *sc, int no) 1961 { 1962 struct wsscreen *scr; 1963 int s, res = 0; 1964 1965 if (no == WSDISPLAY_NULLSCREEN) { 1966 s = spltty(); 1967 while (sc->sc_focus && res == 0) { 1968 res = tsleep(sc, PCATCH, "wswait", 0); 1969 } 1970 splx(s); 1971 return (res); 1972 } 1973 1974 if (no < 0 || no >= WSDISPLAY_MAXSCREEN) 1975 return (ENXIO); 1976 scr = sc->sc_scr[no]; 1977 if (!scr) 1978 return (ENXIO); 1979 1980 s = spltty(); 1981 if (scr != sc->sc_focus) { 1982 scr->scr_flags |= SCR_WAITACTIVE; 1983 res = tsleep(scr, PCATCH, "wswait2", 0); 1984 if (scr != sc->sc_scr[no]) 1985 res = ENXIO; /* disappeared in the meantime */ 1986 else 1987 scr->scr_flags &= ~SCR_WAITACTIVE; 1988 } 1989 splx(s); 1990 return (res); 1991 } 1992 1993 void 1994 wsdisplay_kbdholdscr(struct wsscreen *scr, int hold) 1995 { 1996 if (hold) 1997 scr->scr_hold_screen = 1; 1998 else { 1999 scr->scr_hold_screen = 0; 2000 timeout_add(&scr->scr_tty->t_rstrt_to, 0); /* "immediate" */ 2001 } 2002 } 2003 2004 void 2005 wsdisplay_kbdholdscreen(struct device *dev, int hold) 2006 { 2007 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 2008 struct wsscreen *scr; 2009 2010 scr = sc->sc_focus; 2011 if (scr != NULL && WSSCREEN_HAS_TTY(scr)) 2012 wsdisplay_kbdholdscr(scr, hold); 2013 } 2014 2015 #if NWSKBD > 0 2016 void 2017 wsdisplay_set_console_kbd(struct wsevsrc *src) 2018 { 2019 if (wsdisplay_console_device == NULL) { 2020 src->me_dispdv = NULL; 2021 return; 2022 } 2023 #if NWSMUX > 0 2024 if (wsmux_attach_sc((struct wsmux_softc *) 2025 wsdisplay_console_device->sc_input, src)) { 2026 src->me_dispdv = NULL; 2027 return; 2028 } 2029 #else 2030 wsdisplay_console_device->sc_input = src; 2031 #endif 2032 src->me_dispdv = &wsdisplay_console_device->sc_dv; 2033 } 2034 2035 #if NWSMUX == 0 2036 int 2037 wsdisplay_set_kbd(struct device *disp, struct wsevsrc *kbd) 2038 { 2039 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)disp; 2040 2041 if (sc->sc_input != NULL) 2042 return (EBUSY); 2043 2044 sc->sc_input = kbd; 2045 2046 return (0); 2047 } 2048 #endif 2049 2050 #endif /* NWSKBD > 0 */ 2051 2052 /* 2053 * Console interface. 2054 */ 2055 void 2056 wsdisplay_cnputc(dev_t dev, int i) 2057 { 2058 struct wsscreen_internal *dc; 2059 char c = i; 2060 2061 if (!wsdisplay_console_initted) 2062 return; 2063 2064 if (wsdisplay_console_device != NULL && 2065 (wsdisplay_console_device->sc_scr[0] != NULL) && 2066 (wsdisplay_console_device->sc_scr[0]->scr_flags & SCR_GRAPHICS)) 2067 return; 2068 2069 dc = &wsdisplay_console_conf; 2070 #ifdef HAVE_BURNER_SUPPORT 2071 /*wsdisplay_burn(wsdisplay_console_device, WSDISPLAY_BURN_OUTPUT);*/ 2072 #endif 2073 (void)(*dc->wsemul->output)(dc->wsemulcookie, &c, 1, 1); 2074 } 2075 2076 int 2077 wsdisplay_getc_dummy(dev_t dev) 2078 { 2079 /* panic? */ 2080 return (0); 2081 } 2082 2083 void 2084 wsdisplay_pollc(dev_t dev, int on) 2085 { 2086 2087 wsdisplay_cons_pollmode = on; 2088 2089 /* notify to fb drivers */ 2090 if (wsdisplay_console_device != NULL && 2091 wsdisplay_console_device->sc_accessops->pollc != NULL) 2092 (*wsdisplay_console_device->sc_accessops->pollc) 2093 (wsdisplay_console_device->sc_accesscookie, on); 2094 2095 /* notify to kbd drivers */ 2096 if (wsdisplay_cons_kbd_pollc) 2097 (*wsdisplay_cons_kbd_pollc)(dev, on); 2098 } 2099 2100 void 2101 wsdisplay_set_cons_kbd(int (*get)(dev_t), void (*poll)(dev_t, int), 2102 void (*bell)(dev_t, u_int, u_int, u_int)) 2103 { 2104 wsdisplay_cons.cn_getc = get; 2105 wsdisplay_cons.cn_bell = bell; 2106 wsdisplay_cons_kbd_pollc = poll; 2107 } 2108 2109 void 2110 wsdisplay_unset_cons_kbd(void) 2111 { 2112 wsdisplay_cons.cn_getc = wsdisplay_getc_dummy; 2113 wsdisplay_cons.cn_bell = NULL; 2114 wsdisplay_cons_kbd_pollc = NULL; 2115 } 2116 2117 /* 2118 * Switch the console display to its first screen. 2119 */ 2120 void 2121 wsdisplay_switchtoconsole(void) 2122 { 2123 struct wsdisplay_softc *sc; 2124 struct wsscreen *scr; 2125 2126 if (wsdisplay_console_device != NULL && cn_tab == &wsdisplay_cons) { 2127 sc = wsdisplay_console_device; 2128 if ((scr = sc->sc_scr[0]) == NULL) 2129 return; 2130 (*sc->sc_accessops->show_screen)(sc->sc_accesscookie, 2131 scr->scr_dconf->emulcookie, 0, NULL, NULL); 2132 } 2133 } 2134 2135 /* 2136 * Deal with the xserver doing driver in userland and thus screwing up suspend 2137 * and resume by switching away from it at suspend/resume time. 2138 * 2139 * these functions must be called from the MD suspend callback, since we may 2140 * need to sleep if we have a user (probably an X server) on a vt. therefore 2141 * this can't be a config_suspend() hook. 2142 */ 2143 void 2144 wsdisplay_suspend(void) 2145 { 2146 int i; 2147 2148 for (i = 0; i < wsdisplay_cd.cd_ndevs; i++) 2149 if (wsdisplay_cd.cd_devs[i] != NULL) 2150 wsdisplay_suspend_device(wsdisplay_cd.cd_devs[i]); 2151 } 2152 2153 void 2154 wsdisplay_suspend_device(struct device *dev) 2155 { 2156 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 2157 struct wsscreen *scr; 2158 int active, idx, ret = 0, s; 2159 2160 if ((active = wsdisplay_getactivescreen(sc)) == WSDISPLAY_NULLSCREEN) 2161 return; 2162 2163 scr = sc->sc_scr[active]; 2164 /* 2165 * We want to switch out of graphics mode for the suspend, but 2166 * only if we're in WSDISPLAY_MODE_MAPPED. 2167 */ 2168 retry: 2169 idx = WSDISPLAY_MAXSCREEN; 2170 if (scr->scr_flags & SCR_GRAPHICS && 2171 (scr->scr_flags & SCR_DUMBFB) == 0) { 2172 for (idx = 0; idx < WSDISPLAY_MAXSCREEN; idx++) { 2173 if (sc->sc_scr[idx] == NULL || sc->sc_scr[idx] == scr) 2174 continue; 2175 2176 if ((sc->sc_scr[idx]->scr_flags & SCR_GRAPHICS) == 0) 2177 break; 2178 } 2179 } 2180 2181 /* if we don't have anything to switch to, we can't do anything */ 2182 if (idx == WSDISPLAY_MAXSCREEN) 2183 return; 2184 2185 /* 2186 * we do a lot of magic here because we need to know that the 2187 * switch has completed before we return 2188 */ 2189 ret = wsdisplay_switch((struct device *)sc, idx, 1); 2190 if (ret == EBUSY) { 2191 /* XXX sleep on what's going on */ 2192 goto retry; 2193 } else if (ret) 2194 return; 2195 2196 s = spltty(); 2197 sc->sc_resumescreen = active; /* block other vt switches until resume */ 2198 splx(s); 2199 /* 2200 * This will either return ENXIO (invalid (shouldn't happen) or 2201 * wsdisplay disappeared (problem solved)), or EINTR/ERESTART. 2202 * Not much we can do about the latter since we can't return to 2203 * userland. 2204 */ 2205 (void)wsscreen_switchwait(sc, idx); 2206 } 2207 2208 void 2209 wsdisplay_resume(void) 2210 { 2211 int i; 2212 2213 for (i = 0; i < wsdisplay_cd.cd_ndevs; i++) 2214 if (wsdisplay_cd.cd_devs[i] != NULL) 2215 wsdisplay_resume_device(wsdisplay_cd.cd_devs[i]); 2216 } 2217 2218 void 2219 wsdisplay_resume_device(struct device *dev) 2220 { 2221 struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev; 2222 int idx, s; 2223 2224 if (sc->sc_resumescreen != WSDISPLAY_NULLSCREEN) { 2225 s = spltty(); 2226 idx = sc->sc_resumescreen; 2227 sc->sc_resumescreen = WSDISPLAY_NULLSCREEN; 2228 wakeup(&sc->sc_resumescreen); 2229 splx(s); 2230 (void)wsdisplay_switch((struct device *)sc, idx, 1); 2231 } 2232 } 2233 2234 #ifdef HAVE_SCROLLBACK_SUPPORT 2235 void 2236 wsscrollback(void *arg, int op) 2237 { 2238 struct wsdisplay_softc *sc = arg; 2239 int lines; 2240 2241 if (sc->sc_focus == NULL) 2242 return; 2243 2244 if (op == WSDISPLAY_SCROLL_RESET) 2245 lines = 0; 2246 else { 2247 lines = sc->sc_focus->scr_dconf->scrdata->nrows - 1; 2248 if (op == WSDISPLAY_SCROLL_BACKWARD) 2249 lines = -lines; 2250 } 2251 2252 if (sc->sc_accessops->scrollback) { 2253 (*sc->sc_accessops->scrollback)(sc->sc_accesscookie, 2254 sc->sc_focus->scr_dconf->emulcookie, lines); 2255 } 2256 } 2257 #endif 2258 2259 #ifdef HAVE_BURNER_SUPPORT 2260 /* 2261 * Update screen burner behaviour after either a screen focus change or 2262 * a screen mode change. 2263 * This is needed to allow X11 to manage screen blanking without any 2264 * interference from the kernel. 2265 */ 2266 void 2267 wsdisplay_burner_setup(struct wsdisplay_softc *sc, struct wsscreen *scr) 2268 { 2269 if (scr->scr_flags & SCR_GRAPHICS) { 2270 /* enable video _immediately_ if it needs to be... */ 2271 if (sc->sc_burnman) 2272 wsdisplay_burner(sc); 2273 /* ...and disable the burner while X is running */ 2274 if (sc->sc_burnout) { 2275 timeout_del(&sc->sc_burner); 2276 sc->sc_burnout = 0; 2277 } 2278 } else { 2279 /* reenable the burner after exiting from X */ 2280 if (!sc->sc_burnman) { 2281 sc->sc_burnout = sc->sc_burnoutintvl; 2282 wsdisplay_burn(sc, sc->sc_burnflags); 2283 } 2284 } 2285 } 2286 2287 void 2288 wsdisplay_burn(void *v, u_int flags) 2289 { 2290 struct wsdisplay_softc *sc = v; 2291 2292 if ((flags & sc->sc_burnflags & (WSDISPLAY_BURN_OUTPUT | 2293 WSDISPLAY_BURN_KBD | WSDISPLAY_BURN_MOUSE)) && 2294 sc->sc_accessops->burn_screen) { 2295 if (sc->sc_burnout) 2296 timeout_add(&sc->sc_burner, sc->sc_burnout); 2297 if (sc->sc_burnman) 2298 sc->sc_burnout = 0; 2299 } 2300 } 2301 2302 void 2303 wsdisplay_burner(void *v) 2304 { 2305 struct wsdisplay_softc *sc = v; 2306 int s; 2307 2308 if (sc->sc_accessops->burn_screen) { 2309 (*sc->sc_accessops->burn_screen)(sc->sc_accesscookie, 2310 sc->sc_burnman, sc->sc_burnflags); 2311 s = spltty(); 2312 if (sc->sc_burnman) { 2313 sc->sc_burnout = sc->sc_burnoutintvl; 2314 timeout_add(&sc->sc_burner, sc->sc_burnout); 2315 } else 2316 sc->sc_burnout = sc->sc_burninintvl; 2317 sc->sc_burnman = !sc->sc_burnman; 2318 splx(s); 2319 } 2320 } 2321 #endif 2322 2323 #ifdef HAVE_WSMOUSED_SUPPORT 2324 /* 2325 * wsmoused(8) support functions 2326 */ 2327 2328 /* 2329 * Main function, called from wsdisplay_cfg_ioctl. 2330 */ 2331 int 2332 wsmoused(struct wsdisplay_softc *sc, caddr_t data, int flag, struct proc *p) 2333 { 2334 struct wscons_event mouse_event = *(struct wscons_event *)data; 2335 2336 if (IS_MOTION_EVENT(mouse_event.type)) { 2337 if (sc->sc_focus != NULL) 2338 motion_event(sc->sc_focus, mouse_event.type, 2339 mouse_event.value); 2340 return 0; 2341 } 2342 if (IS_BUTTON_EVENT(mouse_event.type)) { 2343 if (sc->sc_focus != NULL) { 2344 /* XXX tv_sec contains the number of clicks */ 2345 if (mouse_event.type == 2346 WSCONS_EVENT_MOUSE_DOWN) { 2347 button_event(sc->sc_focus, 2348 mouse_event.value, 2349 mouse_event.time.tv_sec); 2350 } else 2351 button_event(sc->sc_focus, 2352 mouse_event.value, 0); 2353 } 2354 return (0); 2355 } 2356 if (IS_CTRL_EVENT(mouse_event.type)) { 2357 return ctrl_event(sc, mouse_event.type, 2358 mouse_event.value, p); 2359 } 2360 return -1; 2361 } 2362 2363 /* 2364 * Mouse motion events 2365 */ 2366 void 2367 motion_event(struct wsscreen *scr, u_int type, int value) 2368 { 2369 switch (type) { 2370 case WSCONS_EVENT_MOUSE_DELTA_X: 2371 mouse_moverel(scr, value, 0); 2372 break; 2373 case WSCONS_EVENT_MOUSE_DELTA_Y: 2374 mouse_moverel(scr, 0, -value); 2375 break; 2376 #ifdef HAVE_SCROLLBACK_SUPPORT 2377 case WSCONS_EVENT_MOUSE_DELTA_Z: 2378 mouse_zaxis(scr, value); 2379 break; 2380 #endif 2381 default: 2382 break; 2383 } 2384 } 2385 2386 /* 2387 * Button clicks events 2388 */ 2389 void 2390 button_event(struct wsscreen *scr, int button, int clicks) 2391 { 2392 switch (button) { 2393 case MOUSE_COPY_BUTTON: 2394 switch (clicks % 4) { 2395 case 0: /* button is up */ 2396 mouse_copy_end(scr); 2397 mouse_copy_selection(scr); 2398 break; 2399 case 1: /* single click */ 2400 mouse_copy_start(scr); 2401 mouse_copy_selection(scr); 2402 break; 2403 case 2: /* double click */ 2404 mouse_copy_word(scr); 2405 mouse_copy_selection(scr); 2406 break; 2407 case 3: /* triple click */ 2408 mouse_copy_line(scr); 2409 mouse_copy_selection(scr); 2410 break; 2411 } 2412 break; 2413 case MOUSE_PASTE_BUTTON: 2414 if (clicks != 0) 2415 mouse_paste(scr); 2416 break; 2417 case MOUSE_EXTEND_BUTTON: 2418 if (clicks != 0) 2419 mouse_copy_extend_after(scr); 2420 break; 2421 default: 2422 break; 2423 } 2424 } 2425 2426 /* 2427 * Control events 2428 */ 2429 int 2430 ctrl_event(struct wsdisplay_softc *sc, u_int type, int value, struct proc *p) 2431 { 2432 struct wsscreen *scr; 2433 int i; 2434 2435 switch (type) { 2436 case WSCONS_EVENT_WSMOUSED_OFF: 2437 CLR(sc->sc_flags, SC_PASTE_AVAIL); 2438 return (0); 2439 case WSCONS_EVENT_WSMOUSED_ON: 2440 if (!sc->sc_accessops->getchar) 2441 /* no wsmoused(8) support in the display driver */ 2442 return (1); 2443 allocate_copybuffer(sc); 2444 CLR(sc->sc_flags, SC_PASTE_AVAIL); 2445 2446 for (i = 0 ; i < WSDISPLAY_DEFAULTSCREENS ; i++) 2447 if ((scr = sc->sc_scr[i]) != NULL) { 2448 scr->mouse = 2449 (WS_NCOLS(scr) * WS_NROWS(scr)) / 2; 2450 scr->cursor = scr->mouse; 2451 scr->cpy_start = 0; 2452 scr->cpy_end = 0; 2453 scr->orig_start = 0; 2454 scr->orig_end = 0; 2455 scr->mouse_flags = 0; 2456 } 2457 return (0); 2458 default: /* can't happen, really */ 2459 return 0; 2460 } 2461 } 2462 2463 void 2464 mouse_moverel(struct wsscreen *scr, int dx, int dy) 2465 { 2466 struct wsscreen_internal *dconf = scr->scr_dconf; 2467 u_int old_mouse = scr->mouse; 2468 int mouse_col = scr->mouse % N_COLS(dconf); 2469 int mouse_row = scr->mouse / N_COLS(dconf); 2470 2471 /* update position */ 2472 if (mouse_col + dx >= MAXCOL(dconf)) 2473 mouse_col = MAXCOL(dconf); 2474 else { 2475 if (mouse_col + dx <= 0) 2476 mouse_col = 0; 2477 else 2478 mouse_col += dx; 2479 } 2480 if (mouse_row + dy >= MAXROW(dconf)) 2481 mouse_row = MAXROW(dconf); 2482 else { 2483 if (mouse_row + dy <= 0) 2484 mouse_row = 0; 2485 else 2486 mouse_row += dy; 2487 } 2488 scr->mouse = mouse_row * N_COLS(dconf) + mouse_col; 2489 2490 /* if we have moved */ 2491 if (old_mouse != scr->mouse) { 2492 /* XXX unblank screen if display.ms_act */ 2493 if (ISSET(scr->mouse_flags, SEL_IN_PROGRESS)) { 2494 /* selection in progress */ 2495 mouse_copy_extend(scr); 2496 } else { 2497 inverse_char(scr, scr->mouse); 2498 if (ISSET(scr->mouse_flags, MOUSE_VISIBLE)) 2499 inverse_char(scr, old_mouse); 2500 else 2501 SET(scr->mouse_flags, MOUSE_VISIBLE); 2502 } 2503 } 2504 } 2505 2506 void 2507 inverse_char(struct wsscreen *scr, u_int pos) 2508 { 2509 struct wsscreen_internal *dconf = scr->scr_dconf; 2510 struct wsdisplay_charcell cell; 2511 int fg, bg, ul; 2512 int flags; 2513 int tmp; 2514 long attr; 2515 2516 GETCHAR(scr, pos, &cell); 2517 2518 (*dconf->emulops->unpack_attr)(dconf->emulcookie, cell.attr, &fg, 2519 &bg, &ul); 2520 2521 /* 2522 * Display the mouse cursor as a color inverted cell whenever 2523 * possible. If this is not possible, ask for the video reverse 2524 * attribute. 2525 */ 2526 flags = 0; 2527 if (dconf->scrdata->capabilities & WSSCREEN_WSCOLORS) { 2528 flags |= WSATTR_WSCOLORS; 2529 tmp = fg; 2530 fg = bg; 2531 bg = tmp; 2532 } else if (dconf->scrdata->capabilities & WSSCREEN_REVERSE) { 2533 flags |= WSATTR_REVERSE; 2534 } 2535 if ((*dconf->emulops->alloc_attr)(dconf->emulcookie, fg, bg, flags | 2536 (ul ? WSATTR_UNDERLINE : 0), &attr) == 0) { 2537 cell.attr = attr; 2538 PUTCHAR(dconf, pos, cell.uc, cell.attr); 2539 } 2540 } 2541 2542 void 2543 inverse_region(struct wsscreen *scr, u_int start, u_int end) 2544 { 2545 struct wsscreen_internal *dconf = scr->scr_dconf; 2546 u_int current_pos; 2547 u_int abs_end; 2548 2549 /* sanity check, useful because 'end' can be (u_int)-1 */ 2550 abs_end = N_COLS(dconf) * N_ROWS(dconf); 2551 if (end > abs_end) 2552 return; 2553 current_pos = start; 2554 while (current_pos <= end) 2555 inverse_char(scr, current_pos++); 2556 } 2557 2558 /* 2559 * Return the number of contiguous blank characters between the right margin 2560 * if border == 1 or between the next non-blank character and the current mouse 2561 * cursor if border == 0 2562 */ 2563 u_int 2564 skip_spc_right(struct wsscreen *scr, int border) 2565 { 2566 struct wsscreen_internal *dconf = scr->scr_dconf; 2567 struct wsdisplay_charcell cell; 2568 u_int current = scr->cpy_end; 2569 u_int mouse_col = scr->cpy_end % N_COLS(dconf); 2570 u_int limit = current + (N_COLS(dconf) - mouse_col - 1); 2571 u_int res = 0; 2572 2573 while (GETCHAR(scr, current, &cell) == 0 && cell.uc == ' ' && 2574 current <= limit) { 2575 current++; 2576 res++; 2577 } 2578 if (border == BORDER) { 2579 if (current > limit) 2580 return (res - 1); 2581 else 2582 return (0); 2583 } else { 2584 if (res != 0) 2585 return (res - 1); 2586 else 2587 return (res); 2588 } 2589 } 2590 2591 /* 2592 * Return the number of contiguous blank characters between the first of the 2593 * contiguous blank characters and the current mouse cursor 2594 */ 2595 u_int 2596 skip_spc_left(struct wsscreen *scr) 2597 { 2598 struct wsscreen_internal *dconf = scr->scr_dconf; 2599 struct wsdisplay_charcell cell; 2600 u_int current = scr->cpy_start; 2601 u_int mouse_col = scr->mouse % N_COLS(dconf); 2602 u_int limit = current - mouse_col; 2603 u_int res = 0; 2604 2605 while (GETCHAR(scr, current, &cell) == 0 && cell.uc == ' ' && 2606 current >= limit) { 2607 current--; 2608 res++; 2609 } 2610 if (res != 0) 2611 res--; 2612 return (res); 2613 } 2614 2615 /* 2616 * Class of characters 2617 * Stolen from xterm sources of the Xfree project (see cvs tag below) 2618 * $TOG: button.c /main/76 1997/07/30 16:56:19 kaleb $ 2619 */ 2620 static const int charClass[256] = { 2621 /* NUL SOH STX ETX EOT ENQ ACK BEL */ 2622 32, 1, 1, 1, 1, 1, 1, 1, 2623 /* BS HT NL VT NP CR SO SI */ 2624 1, 32, 1, 1, 1, 1, 1, 1, 2625 /* DLE DC1 DC2 DC3 DC4 NAK SYN ETB */ 2626 1, 1, 1, 1, 1, 1, 1, 1, 2627 /* CAN EM SUB ESC FS GS RS US */ 2628 1, 1, 1, 1, 1, 1, 1, 1, 2629 /* SP ! " # $ % & ' */ 2630 32, 33, 34, 35, 36, 37, 38, 39, 2631 /* ( ) * + , - . / */ 2632 40, 41, 42, 43, 44, 45, 46, 47, 2633 /* 0 1 2 3 4 5 6 7 */ 2634 48, 48, 48, 48, 48, 48, 48, 48, 2635 /* 8 9 : ; < = > ? */ 2636 48, 48, 58, 59, 60, 61, 62, 63, 2637 /* @ A B C D E F G */ 2638 64, 48, 48, 48, 48, 48, 48, 48, 2639 /* H I J K L M N O */ 2640 48, 48, 48, 48, 48, 48, 48, 48, 2641 /* P Q R S T U V W */ 2642 48, 48, 48, 48, 48, 48, 48, 48, 2643 /* X Y Z [ \ ] ^ _ */ 2644 48, 48, 48, 91, 92, 93, 94, 48, 2645 /* ` a b c d e f g */ 2646 96, 48, 48, 48, 48, 48, 48, 48, 2647 /* h i j k l m n o */ 2648 48, 48, 48, 48, 48, 48, 48, 48, 2649 /* p q r s t u v w */ 2650 48, 48, 48, 48, 48, 48, 48, 48, 2651 /* x y z { | } ~ DEL */ 2652 48, 48, 48, 123, 124, 125, 126, 1, 2653 /* x80 x81 x82 x83 IND NEL SSA ESA */ 2654 1, 1, 1, 1, 1, 1, 1, 1, 2655 /* HTS HTJ VTS PLD PLU RI SS2 SS3 */ 2656 1, 1, 1, 1, 1, 1, 1, 1, 2657 /* DCS PU1 PU2 STS CCH MW SPA EPA */ 2658 1, 1, 1, 1, 1, 1, 1, 1, 2659 /* x98 x99 x9A CSI ST OSC PM APC */ 2660 1, 1, 1, 1, 1, 1, 1, 1, 2661 /* - i c/ L ox Y- | So */ 2662 160, 161, 162, 163, 164, 165, 166, 167, 2663 /* .. c0 ip << _ R0 - */ 2664 168, 169, 170, 171, 172, 173, 174, 175, 2665 /* o +- 2 3 ' u q| . */ 2666 176, 177, 178, 179, 180, 181, 182, 183, 2667 /* , 1 2 >> 1/4 1/2 3/4 ? */ 2668 184, 185, 186, 187, 188, 189, 190, 191, 2669 /* A` A' A^ A~ A: Ao AE C, */ 2670 48, 48, 48, 48, 48, 48, 48, 48, 2671 /* E` E' E^ E: I` I' I^ I: */ 2672 48, 48, 48, 48, 48, 48, 48, 48, 2673 /* D- N~ O` O' O^ O~ O: X */ 2674 48, 48, 48, 48, 48, 48, 48, 216, 2675 /* O/ U` U' U^ U: Y' P B */ 2676 48, 48, 48, 48, 48, 48, 48, 48, 2677 /* a` a' a^ a~ a: ao ae c, */ 2678 48, 48, 48, 48, 48, 48, 48, 48, 2679 /* e` e' e^ e: i` i' i^ i: */ 2680 48, 48, 48, 48, 48, 48, 48, 48, 2681 /* d n~ o` o' o^ o~ o: -: */ 2682 48, 48, 48, 48, 48, 48, 48, 248, 2683 /* o/ u` u' u^ u: y' P y: */ 2684 48, 48, 48, 48, 48, 48, 48, 48 2685 }; 2686 2687 /* 2688 * Find the first blank beginning after the current cursor position 2689 */ 2690 u_int 2691 skip_char_right(struct wsscreen *scr, u_int offset) 2692 { 2693 struct wsscreen_internal *dconf = scr->scr_dconf; 2694 struct wsdisplay_charcell cell; 2695 u_int current = offset; 2696 u_int limit = current + 2697 (N_COLS(dconf) - (scr->mouse % N_COLS(dconf)) - 1); 2698 u_int class; 2699 u_int res = 0; 2700 2701 GETCHAR(scr, current, &cell); 2702 class = charClass[cell.uc & 0xff]; 2703 while (GETCHAR(scr, current, &cell) == 0 && 2704 charClass[cell.uc & 0xff] == class && current <= limit) { 2705 current++; 2706 res++; 2707 } 2708 if (res != 0) 2709 res--; 2710 return (res); 2711 } 2712 2713 /* 2714 * Find the first non-blank character before the cursor position 2715 */ 2716 u_int 2717 skip_char_left(struct wsscreen *scr, u_int offset) 2718 { 2719 struct wsscreen_internal *dconf = scr->scr_dconf; 2720 struct wsdisplay_charcell cell; 2721 u_int current = offset; 2722 u_int limit = current - (scr->mouse % N_COLS(dconf)); 2723 u_int class; 2724 u_int res = 0; 2725 2726 GETCHAR(scr, current, &cell); 2727 class = charClass[cell.uc & 0xff]; 2728 while (GETCHAR(scr, current, &cell) == 0 && 2729 charClass[cell.uc & 0xff] == class && current >= limit) { 2730 current--; 2731 res++; 2732 } 2733 if (res != 0) 2734 res--; 2735 return (res); 2736 } 2737 2738 /* 2739 * Compare character classes 2740 */ 2741 u_int 2742 class_cmp(struct wsscreen *scr, u_int first, u_int second) 2743 { 2744 struct wsdisplay_charcell cell; 2745 u_int first_class; 2746 u_int second_class; 2747 2748 if (GETCHAR(scr, first, &cell) != 0) 2749 return (1); 2750 first_class = charClass[cell.uc & 0xff]; 2751 if (GETCHAR(scr, second, &cell) != 0) 2752 return (1); 2753 second_class = charClass[cell.uc & 0xff]; 2754 2755 if (first_class != second_class) 2756 return (1); 2757 else 2758 return (0); 2759 } 2760 2761 /* 2762 * Beginning of a copy operation 2763 */ 2764 void 2765 mouse_copy_start(struct wsscreen *scr) 2766 { 2767 u_int right; 2768 2769 /* if no selection, then that's the first one */ 2770 SET(scr->sc->sc_flags, SC_PASTE_AVAIL); 2771 2772 /* remove the previous selection */ 2773 if (ISSET(scr->mouse_flags, SEL_EXISTS)) 2774 remove_selection(scr); 2775 2776 /* initial show of the cursor */ 2777 if (!ISSET(scr->mouse_flags, MOUSE_VISIBLE)) 2778 inverse_char(scr, scr->mouse); 2779 2780 scr->cpy_start = scr->cpy_end = scr->mouse; 2781 scr->orig_start = scr->cpy_start; 2782 scr->orig_end = scr->cpy_end; 2783 scr->cursor = scr->cpy_end + 1; /* init value */ 2784 2785 /* useful later, in mouse_copy_extend */ 2786 right = skip_spc_right(scr, BORDER); 2787 if (right) 2788 SET(scr->mouse_flags, BLANK_TO_EOL); 2789 2790 SET(scr->mouse_flags, SEL_IN_PROGRESS | SEL_EXISTS | SEL_BY_CHAR); 2791 CLR(scr->mouse_flags, SEL_BY_WORD | SEL_BY_LINE); 2792 CLR(scr->mouse_flags, MOUSE_VISIBLE); /* cursor hidden in selection */ 2793 } 2794 2795 /* 2796 * Copy of the word under the cursor 2797 */ 2798 void 2799 mouse_copy_word(struct wsscreen *scr) 2800 { 2801 struct wsdisplay_charcell cell; 2802 u_int right; 2803 u_int left; 2804 2805 if (ISSET(scr->mouse_flags, SEL_EXISTS)) 2806 remove_selection(scr); 2807 2808 if (ISSET(scr->mouse_flags, MOUSE_VISIBLE)) 2809 inverse_char(scr, scr->mouse); 2810 2811 scr->cpy_start = scr->cpy_end = scr->mouse; 2812 2813 if (GETCHAR(scr, scr->mouse, &cell) == 0 && 2814 IS_ALPHANUM(cell.uc)) { 2815 right = skip_char_right(scr, scr->cpy_end); 2816 left = skip_char_left(scr, scr->cpy_start); 2817 } else { 2818 right = skip_spc_right(scr, NO_BORDER); 2819 left = skip_spc_left(scr); 2820 } 2821 2822 scr->cpy_start -= left; 2823 scr->cpy_end += right; 2824 scr->orig_start = scr->cpy_start; 2825 scr->orig_end = scr->cpy_end; 2826 scr->cursor = scr->cpy_end + 1; /* init value, never happen */ 2827 inverse_region(scr, scr->cpy_start, scr->cpy_end); 2828 2829 SET(scr->mouse_flags, SEL_IN_PROGRESS | SEL_EXISTS | SEL_BY_WORD); 2830 CLR(scr->mouse_flags, SEL_BY_CHAR | SEL_BY_LINE); 2831 /* mouse cursor hidden in the selection */ 2832 CLR(scr->mouse_flags, BLANK_TO_EOL | MOUSE_VISIBLE); 2833 } 2834 2835 /* 2836 * Copy of the current line 2837 */ 2838 void 2839 mouse_copy_line(struct wsscreen *scr) 2840 { 2841 struct wsscreen_internal *dconf = scr->scr_dconf; 2842 u_int row = scr->mouse / N_COLS(dconf); 2843 2844 if (ISSET(scr->mouse_flags, SEL_EXISTS)) 2845 remove_selection(scr); 2846 2847 if (ISSET(scr->mouse_flags, MOUSE_VISIBLE)) 2848 inverse_char(scr, scr->mouse); 2849 2850 scr->cpy_start = row * N_COLS(dconf); 2851 scr->cpy_end = scr->cpy_start + (N_COLS(dconf) - 1); 2852 scr->orig_start = scr->cpy_start; 2853 scr->orig_end = scr->cpy_end; 2854 scr->cursor = scr->cpy_end + 1; 2855 inverse_region(scr, scr->cpy_start, scr->cpy_end); 2856 2857 SET(scr->mouse_flags, SEL_IN_PROGRESS | SEL_EXISTS | SEL_BY_LINE); 2858 CLR(scr->mouse_flags, SEL_BY_CHAR | SEL_BY_WORD); 2859 /* mouse cursor hidden in the selection */ 2860 CLR(scr->mouse_flags, BLANK_TO_EOL | MOUSE_VISIBLE); 2861 } 2862 2863 /* 2864 * End of a copy operation 2865 */ 2866 void 2867 mouse_copy_end(struct wsscreen *scr) 2868 { 2869 CLR(scr->mouse_flags, SEL_IN_PROGRESS); 2870 if (ISSET(scr->mouse_flags, SEL_BY_WORD) || 2871 ISSET(scr->mouse_flags, SEL_BY_LINE)) { 2872 if (scr->cursor != scr->cpy_end + 1) 2873 inverse_char(scr, scr->cursor); 2874 scr->cursor = scr->cpy_end + 1; 2875 } 2876 } 2877 2878 2879 /* 2880 * Generic selection extend function 2881 */ 2882 void 2883 mouse_copy_extend(struct wsscreen *scr) 2884 { 2885 if (ISSET(scr->mouse_flags, SEL_BY_CHAR)) 2886 mouse_copy_extend_char(scr); 2887 if (ISSET(scr->mouse_flags, SEL_BY_WORD)) 2888 mouse_copy_extend_word(scr); 2889 if (ISSET(scr->mouse_flags, SEL_BY_LINE)) 2890 mouse_copy_extend_line(scr); 2891 } 2892 2893 /* 2894 * Extend a selected region, character by character 2895 */ 2896 void 2897 mouse_copy_extend_char(struct wsscreen *scr) 2898 { 2899 u_int right; 2900 2901 if (!ISSET(scr->mouse_flags, SEL_EXT_AFTER)) { 2902 if (ISSET(scr->mouse_flags, BLANK_TO_EOL)) { 2903 /* 2904 * First extension of selection. We handle special 2905 * cases of blank characters to eol 2906 */ 2907 2908 right = skip_spc_right(scr, BORDER); 2909 if (scr->mouse > scr->orig_start) { 2910 /* the selection goes to the lower part of 2911 the screen */ 2912 2913 /* remove the previous cursor, start of 2914 selection is now next line */ 2915 inverse_char(scr, scr->cpy_start); 2916 scr->cpy_start += (right + 1); 2917 scr->cpy_end = scr->cpy_start; 2918 scr->orig_start = scr->cpy_start; 2919 /* simulate the initial mark */ 2920 inverse_char(scr, scr->cpy_start); 2921 } else { 2922 /* the selection goes to the upper part 2923 of the screen */ 2924 /* remove the previous cursor, start of 2925 selection is now at the eol */ 2926 inverse_char(scr, scr->cpy_start); 2927 scr->orig_start += (right + 1); 2928 scr->cpy_start = scr->orig_start - 1; 2929 scr->cpy_end = scr->orig_start - 1; 2930 /* simulate the initial mark */ 2931 inverse_char(scr, scr->cpy_start); 2932 } 2933 CLR(scr->mouse_flags, BLANK_TO_EOL); 2934 } 2935 2936 if (scr->mouse < scr->orig_start && 2937 scr->cpy_end >= scr->orig_start) { 2938 /* we go to the upper part of the screen */ 2939 2940 /* reverse the old selection region */ 2941 remove_selection(scr); 2942 scr->cpy_end = scr->orig_start - 1; 2943 scr->cpy_start = scr->orig_start; 2944 } 2945 if (scr->cpy_start < scr->orig_start && 2946 scr->mouse >= scr->orig_start) { 2947 /* we go to the lower part of the screen */ 2948 2949 /* reverse the old selection region */ 2950 2951 remove_selection(scr); 2952 scr->cpy_start = scr->orig_start; 2953 scr->cpy_end = scr->orig_start - 1; 2954 } 2955 /* restore flags cleared in remove_selection() */ 2956 SET(scr->mouse_flags, SEL_IN_PROGRESS | SEL_EXISTS); 2957 } 2958 2959 if (scr->mouse >= scr->orig_start) { 2960 /* lower part of the screen */ 2961 if (scr->mouse > scr->cpy_end) { 2962 /* extending selection */ 2963 inverse_region(scr, scr->cpy_end + 1, scr->mouse); 2964 } else { 2965 /* reducing selection */ 2966 inverse_region(scr, scr->mouse + 1, scr->cpy_end); 2967 } 2968 scr->cpy_end = scr->mouse; 2969 } else { 2970 /* upper part of the screen */ 2971 if (scr->mouse < scr->cpy_start) { 2972 /* extending selection */ 2973 inverse_region(scr, scr->mouse, scr->cpy_start - 1); 2974 } else { 2975 /* reducing selection */ 2976 inverse_region(scr, scr->cpy_start, scr->mouse - 1); 2977 } 2978 scr->cpy_start = scr->mouse; 2979 } 2980 } 2981 2982 /* 2983 * Extend a selected region, word by word 2984 */ 2985 void 2986 mouse_copy_extend_word(struct wsscreen *scr) 2987 { 2988 u_int old_cpy_end; 2989 u_int old_cpy_start; 2990 2991 if (!ISSET(scr->mouse_flags, SEL_EXT_AFTER)) { 2992 /* remove cursor in selection (black one) */ 2993 if (scr->cursor != scr->cpy_end + 1) 2994 inverse_char(scr, scr->cursor); 2995 2996 /* now, switch between lower and upper part of the screen */ 2997 if (scr->mouse < scr->orig_start && 2998 scr->cpy_end >= scr->orig_start) { 2999 /* going to the upper part of the screen */ 3000 inverse_region(scr, scr->orig_end + 1, scr->cpy_end); 3001 scr->cpy_end = scr->orig_end; 3002 } 3003 3004 if (scr->mouse > scr->orig_end && 3005 scr->cpy_start <= scr->orig_start) { 3006 /* going to the lower part of the screen */ 3007 inverse_region(scr, scr->cpy_start, 3008 scr->orig_start - 1); 3009 scr->cpy_start = scr->orig_start; 3010 } 3011 } 3012 3013 if (scr->mouse >= scr->orig_start) { 3014 /* lower part of the screen */ 3015 if (scr->mouse > scr->cpy_end) { 3016 /* extending selection */ 3017 old_cpy_end = scr->cpy_end; 3018 scr->cpy_end = scr->mouse + 3019 skip_char_right(scr, scr->mouse); 3020 inverse_region(scr, old_cpy_end + 1, scr->cpy_end); 3021 } else { 3022 if (class_cmp(scr, scr->mouse, scr->mouse + 1)) { 3023 /* reducing selection (remove last word) */ 3024 old_cpy_end = scr->cpy_end; 3025 scr->cpy_end = scr->mouse; 3026 inverse_region(scr, scr->cpy_end + 1, 3027 old_cpy_end); 3028 } else { 3029 old_cpy_end = scr->cpy_end; 3030 scr->cpy_end = scr->mouse + 3031 skip_char_right(scr, scr->mouse); 3032 if (scr->cpy_end != old_cpy_end) { 3033 /* reducing selection, from the end of 3034 * next word */ 3035 inverse_region(scr, scr->cpy_end + 1, 3036 old_cpy_end); 3037 } 3038 } 3039 } 3040 } else { 3041 /* upper part of the screen */ 3042 if (scr->mouse < scr->cpy_start) { 3043 /* extending selection */ 3044 old_cpy_start = scr->cpy_start; 3045 scr->cpy_start = scr->mouse - 3046 skip_char_left(scr, scr->mouse); 3047 inverse_region(scr, scr->cpy_start, old_cpy_start - 1); 3048 } else { 3049 if (class_cmp(scr, scr->mouse - 1, scr->mouse)) { 3050 /* reducing selection (remove last word) */ 3051 old_cpy_start = scr->cpy_start; 3052 scr->cpy_start = scr->mouse; 3053 inverse_region(scr, old_cpy_start, 3054 scr->cpy_start - 1); 3055 } else { 3056 old_cpy_start = scr->cpy_start; 3057 scr->cpy_start = scr->mouse - 3058 skip_char_left(scr, scr->mouse); 3059 if (scr->cpy_start != old_cpy_start) { 3060 inverse_region(scr, old_cpy_start, 3061 scr->cpy_start - 1); 3062 } 3063 } 3064 } 3065 } 3066 3067 if (!ISSET(scr->mouse_flags, SEL_EXT_AFTER)) { 3068 /* display new cursor */ 3069 scr->cursor = scr->mouse; 3070 inverse_char(scr, scr->cursor); 3071 } 3072 } 3073 3074 /* 3075 * Extend a selected region, line by line 3076 */ 3077 void 3078 mouse_copy_extend_line(struct wsscreen *scr) 3079 { 3080 struct wsscreen_internal *dconf = scr->scr_dconf; 3081 u_int old_row; 3082 u_int new_row; 3083 u_int old_cpy_start; 3084 u_int old_cpy_end; 3085 3086 if (!ISSET(scr->mouse_flags, SEL_EXT_AFTER)) { 3087 /* remove cursor in selection (black one) */ 3088 if (scr->cursor != scr->cpy_end + 1) 3089 inverse_char(scr, scr->cursor); 3090 3091 /* now, switch between lower and upper part of the screen */ 3092 if (scr->mouse < scr->orig_start && 3093 scr->cpy_end >= scr->orig_start) { 3094 /* going to the upper part of the screen */ 3095 inverse_region(scr, scr->orig_end + 1, scr->cpy_end); 3096 scr->cpy_end = scr->orig_end; 3097 } 3098 3099 if (scr->mouse > scr->orig_end && 3100 scr->cpy_start <= scr->orig_start) { 3101 /* going to the lower part of the screen */ 3102 inverse_region(scr, scr->cpy_start, 3103 scr->orig_start - 1); 3104 scr->cpy_start = scr->orig_start; 3105 } 3106 } 3107 3108 if (scr->mouse >= scr->orig_start) { 3109 /* lower part of the screen */ 3110 if (scr->cursor == scr->cpy_end + 1) 3111 scr->cursor = scr->cpy_end; 3112 old_row = scr->cursor / N_COLS(dconf); 3113 new_row = scr->mouse / N_COLS(dconf); 3114 old_cpy_end = scr->cpy_end; 3115 scr->cpy_end = new_row * N_COLS(dconf) + MAXCOL(dconf); 3116 if (new_row > old_row) 3117 inverse_region(scr, old_cpy_end + 1, scr->cpy_end); 3118 else if (new_row < old_row) 3119 inverse_region(scr, scr->cpy_end + 1, old_cpy_end); 3120 } else { 3121 /* upper part of the screen */ 3122 old_row = scr->cursor / N_COLS(dconf); 3123 new_row = scr->mouse / N_COLS(dconf); 3124 old_cpy_start = scr->cpy_start; 3125 scr->cpy_start = new_row * N_COLS(dconf); 3126 if (new_row < old_row) 3127 inverse_region(scr, scr->cpy_start, old_cpy_start - 1); 3128 else if (new_row > old_row) 3129 inverse_region(scr, old_cpy_start, scr->cpy_start - 1); 3130 } 3131 3132 if (!ISSET(scr->mouse_flags, SEL_EXT_AFTER)) { 3133 /* display new cursor */ 3134 scr->cursor = scr->mouse; 3135 inverse_char(scr, scr->cursor); 3136 } 3137 } 3138 3139 /* 3140 * Add an extension to a selected region, word by word 3141 */ 3142 void 3143 mouse_copy_extend_after(struct wsscreen *scr) 3144 { 3145 u_int start_dist; 3146 u_int end_dist; 3147 3148 if (ISSET(scr->mouse_flags, SEL_EXISTS)) { 3149 SET(scr->mouse_flags, SEL_EXT_AFTER); 3150 mouse_hide(scr); /* hide current cursor */ 3151 3152 if (scr->cpy_start > scr->mouse) 3153 start_dist = scr->cpy_start - scr->mouse; 3154 else 3155 start_dist = scr->mouse - scr->cpy_start; 3156 if (scr->mouse > scr->cpy_end) 3157 end_dist = scr->mouse - scr->cpy_end; 3158 else 3159 end_dist = scr->cpy_end - scr->mouse; 3160 if (start_dist < end_dist) { 3161 /* upper part of the screen*/ 3162 scr->orig_start = scr->mouse + 1; 3163 /* only used in mouse_copy_extend_line() */ 3164 scr->cursor = scr->cpy_start; 3165 } else { 3166 /* lower part of the screen */ 3167 scr->orig_start = scr->mouse; 3168 /* only used in mouse_copy_extend_line() */ 3169 scr->cursor = scr->cpy_end; 3170 } 3171 if (ISSET(scr->mouse_flags, SEL_BY_CHAR)) 3172 mouse_copy_extend_char(scr); 3173 if (ISSET(scr->mouse_flags, SEL_BY_WORD)) 3174 mouse_copy_extend_word(scr); 3175 if (ISSET(scr->mouse_flags, SEL_BY_LINE)) 3176 mouse_copy_extend_line(scr); 3177 mouse_copy_selection(scr); 3178 } 3179 } 3180 3181 void 3182 mouse_hide(struct wsscreen *scr) 3183 { 3184 if (ISSET(scr->mouse_flags, MOUSE_VISIBLE)) { 3185 inverse_char(scr, scr->mouse); 3186 CLR(scr->mouse_flags, MOUSE_VISIBLE); 3187 } 3188 } 3189 3190 /* 3191 * Remove a previously selected region 3192 */ 3193 void 3194 remove_selection(struct wsscreen *scr) 3195 { 3196 if (ISSET(scr->mouse_flags, SEL_EXT_AFTER)) { 3197 /* reset the flag indicating an extension of selection */ 3198 CLR(scr->mouse_flags, SEL_EXT_AFTER); 3199 } 3200 inverse_region(scr, scr->cpy_start, scr->cpy_end); 3201 CLR(scr->mouse_flags, SEL_IN_PROGRESS | SEL_EXISTS); 3202 } 3203 3204 /* 3205 * Put the current visual selection in the selection buffer 3206 */ 3207 void 3208 mouse_copy_selection(struct wsscreen *scr) 3209 { 3210 struct wsscreen_internal *dconf = scr->scr_dconf; 3211 struct wsdisplay_charcell cell; 3212 u_int current = 0; 3213 u_int blank = current; 3214 u_int buf_end = (N_COLS(dconf) + 1) * N_ROWS(dconf); 3215 u_int sel_cur; 3216 u_int sel_end; 3217 3218 sel_cur = scr->cpy_start; 3219 sel_end = scr->cpy_end; 3220 3221 while (sel_cur <= sel_end && current < buf_end - 1) { 3222 if (GETCHAR(scr, sel_cur, &cell) != 0) 3223 break; 3224 scr->sc->sc_copybuffer[current] = cell.uc; 3225 if (!IS_SPACE(cell.uc)) 3226 blank = current + 1; /* first blank after non-blank */ 3227 current++; 3228 if (sel_cur % N_COLS(dconf) == MAXCOL(dconf)) { 3229 /* 3230 * If we are on the last column of the screen, 3231 * insert a carriage return. 3232 */ 3233 scr->sc->sc_copybuffer[blank] = '\r'; 3234 current = ++blank; 3235 } 3236 sel_cur++; 3237 } 3238 3239 scr->sc->sc_copybuffer[current] = '\0'; 3240 } 3241 3242 /* 3243 * Paste the current selection 3244 */ 3245 void 3246 mouse_paste(struct wsscreen *scr) 3247 { 3248 char *current = scr->sc->sc_copybuffer; 3249 struct tty *tp; 3250 u_int len; 3251 3252 if (ISSET(scr->sc->sc_flags, SC_PASTE_AVAIL)) { 3253 if (!WSSCREEN_HAS_TTY(scr)) 3254 return; 3255 3256 tp = scr->scr_tty; 3257 for (len = strlen(scr->sc->sc_copybuffer); len != 0; len--) 3258 (*linesw[tp->t_line].l_rint)(*current++, tp); 3259 } 3260 } 3261 3262 #ifdef HAVE_SCROLLBACK_SUPPORT 3263 /* 3264 * Handle the z axis. 3265 * The z axis (roller or wheel) is mapped by default to scrollback. 3266 */ 3267 void 3268 mouse_zaxis(struct wsscreen *scr, int z) 3269 { 3270 if (z < 0) 3271 wsscrollback(scr->sc, WSDISPLAY_SCROLL_BACKWARD); 3272 else 3273 wsscrollback(scr->sc, WSDISPLAY_SCROLL_FORWARD); 3274 } 3275 #endif 3276 3277 /* 3278 * Allocate the copy buffer. The size is: 3279 * (cols + 1) * (rows) 3280 * (+1 for '\n' at the end of lines), 3281 * where cols and rows are the maximum of column and rows of all screens. 3282 */ 3283 void 3284 allocate_copybuffer(struct wsdisplay_softc *sc) 3285 { 3286 int nscreens = sc->sc_scrdata->nscreens; 3287 int i, s; 3288 const struct wsscreen_descr **screens_list = sc->sc_scrdata->screens; 3289 const struct wsscreen_descr *current; 3290 u_int size = sc->sc_copybuffer_size; 3291 3292 s = spltty(); 3293 for (i = 0; i < nscreens; i++) { 3294 current = *screens_list; 3295 if ((current->ncols + 1) * current->nrows > size) 3296 size = (current->ncols + 1) * current->nrows; 3297 screens_list++; 3298 } 3299 if (size != sc->sc_copybuffer_size && sc->sc_copybuffer_size != 0) { 3300 bzero(sc->sc_copybuffer, sc->sc_copybuffer_size); 3301 free(sc->sc_copybuffer, M_DEVBUF, 0); 3302 } 3303 if ((sc->sc_copybuffer = (char *)malloc(size, M_DEVBUF, M_NOWAIT)) == 3304 NULL) { 3305 printf("%s: couldn't allocate copy buffer\n", 3306 sc->sc_dv.dv_xname); 3307 size = 0; 3308 } 3309 sc->sc_copybuffer_size = size; 3310 splx(s); 3311 } 3312 3313 /* Remove selection and cursor on current screen */ 3314 void 3315 mouse_remove(struct wsscreen *scr) 3316 { 3317 if (ISSET(scr->mouse_flags, SEL_EXISTS)) 3318 remove_selection(scr); 3319 3320 mouse_hide(scr); 3321 } 3322 3323 #endif /* HAVE_WSMOUSED_SUPPORT */ 3324