scterm-teken.c

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    1 /*-
    2  * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
    3  * All rights reserved.
    4  *
    5  * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer as
   13  *    the first lines of this file unmodified.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
   19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   21  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   28  */
   29 
   30 #include <sys/cdefs.h>
   31 __FBSDID("$FreeBSD: releng/9.0/sys/dev/syscons/scterm-teken.c 223575 2011-06-26 18:26:20Z ed $");
   32 
   33 #include "opt_syscons.h"
   34 #include "opt_teken.h"
   35 
   36 #include <sys/param.h>
   37 #include <sys/systm.h>
   38 #include <sys/kernel.h>
   39 #include <sys/module.h>
   40 #include <sys/consio.h>
   41 #include <sys/kbio.h>
   42 
   43 #if defined(__sparc64__) || defined(__powerpc__)
   44 #include <machine/sc_machdep.h>
   45 #else
   46 #include <machine/pc/display.h>
   47 #endif
   48 
   49 #include <dev/syscons/syscons.h>
   50 
   51 #include <teken/teken.h>
   52 
   53 static void scteken_revattr(unsigned char, teken_attr_t *);
   54 static unsigned int scteken_attr(const teken_attr_t *);
   55 
   56 static sc_term_init_t           scteken_init;
   57 static sc_term_term_t           scteken_term;
   58 static sc_term_puts_t           scteken_puts;
   59 static sc_term_ioctl_t          scteken_ioctl;
   60 static sc_term_default_attr_t   scteken_default_attr;
   61 static sc_term_clear_t          scteken_clear;
   62 static sc_term_input_t          scteken_input;
   63 static sc_term_fkeystr_t        scteken_fkeystr;
   64 static void                     scteken_nop(void);
   65 
   66 typedef struct {
   67         teken_t         ts_teken;
   68         int             ts_busy;
   69 } teken_stat;
   70 
   71 static teken_stat       reserved_teken_stat;
   72 
   73 static sc_term_sw_t sc_term_scteken = {
   74         { NULL, NULL },
   75         "scteken",                      /* emulator name */
   76         "teken terminal",               /* description */
   77         "*",                            /* matching renderer */
   78         sizeof(teken_stat),             /* softc size */
   79         0,
   80         scteken_init,
   81         scteken_term,
   82         scteken_puts,
   83         scteken_ioctl,
   84         (sc_term_reset_t *)scteken_nop,
   85         scteken_default_attr,
   86         scteken_clear,
   87         (sc_term_notify_t *)scteken_nop,
   88         scteken_input,
   89         scteken_fkeystr,
   90 };
   91 
   92 SCTERM_MODULE(scteken, sc_term_scteken);
   93 
   94 static tf_bell_t        scteken_bell;
   95 static tf_cursor_t      scteken_cursor;
   96 static tf_putchar_t     scteken_putchar;
   97 static tf_fill_t        scteken_fill;
   98 static tf_copy_t        scteken_copy;
   99 static tf_param_t       scteken_param;
  100 static tf_respond_t     scteken_respond;
  101 
  102 static const teken_funcs_t scteken_funcs = {
  103         .tf_bell        = scteken_bell,
  104         .tf_cursor      = scteken_cursor,
  105         .tf_putchar     = scteken_putchar,
  106         .tf_fill        = scteken_fill,
  107         .tf_copy        = scteken_copy,
  108         .tf_param       = scteken_param,
  109         .tf_respond     = scteken_respond,
  110 };
  111 
  112 static int
  113 scteken_init(scr_stat *scp, void **softc, int code)
  114 {
  115         teken_stat *ts;
  116         teken_pos_t tp;
  117 
  118         if (*softc == NULL) {
  119                 if (reserved_teken_stat.ts_busy)
  120                         return (EINVAL);
  121                 *softc = &reserved_teken_stat;
  122         }
  123         ts = *softc;
  124 
  125         switch (code) {
  126         case SC_TE_COLD_INIT:
  127                 ++sc_term_scteken.te_refcount;
  128                 ts->ts_busy = 1;
  129                 /* FALLTHROUGH */
  130         case SC_TE_WARM_INIT:
  131                 teken_init(&ts->ts_teken, &scteken_funcs, scp);
  132 #ifndef TEKEN_UTF8
  133                 teken_set_8bit(&ts->ts_teken);
  134 #endif /* !TEKEN_UTF8 */
  135 #ifdef TEKEN_CONS25
  136                 teken_set_cons25(&ts->ts_teken);
  137 #endif /* TEKEN_CONS25 */
  138 
  139                 tp.tp_row = scp->ysize;
  140                 tp.tp_col = scp->xsize;
  141                 teken_set_winsize(&ts->ts_teken, &tp);
  142 
  143                 if (scp->cursor_pos < scp->ysize * scp->xsize) {
  144                         /* Valid old cursor position. */
  145                         tp.tp_row = scp->cursor_pos / scp->xsize;
  146                         tp.tp_col = scp->cursor_pos % scp->xsize;
  147                         teken_set_cursor(&ts->ts_teken, &tp);
  148                 }
  149                 break;
  150         }
  151 
  152         return (0);
  153 }
  154 
  155 static int
  156 scteken_term(scr_stat *scp, void **softc)
  157 {
  158 
  159         if (*softc == &reserved_teken_stat) {
  160                 *softc = NULL;
  161                 reserved_teken_stat.ts_busy = 0;
  162         }
  163         --sc_term_scteken.te_refcount;
  164 
  165         return (0);
  166 }
  167 
  168 static void
  169 scteken_puts(scr_stat *scp, u_char *buf, int len, int kernel)
  170 {
  171         teken_stat *ts = scp->ts;
  172         teken_attr_t backup, kattr;
  173 
  174         scp->sc->write_in_progress++;
  175         if (kernel) {
  176                 /* Use special colors for kernel messages. */
  177                 backup = *teken_get_curattr(&ts->ts_teken);
  178                 scteken_revattr(SC_KERNEL_CONS_ATTR, &kattr);
  179                 teken_set_curattr(&ts->ts_teken, &kattr);
  180                 teken_input(&ts->ts_teken, buf, len);
  181                 teken_set_curattr(&ts->ts_teken, &backup);
  182         } else {
  183                 /* Print user messages with regular colors. */
  184                 teken_input(&ts->ts_teken, buf, len);
  185         }
  186         scp->sc->write_in_progress--;
  187 }
  188 
  189 static int
  190 scteken_ioctl(scr_stat *scp, struct tty *tp, u_long cmd, caddr_t data,
  191              struct thread *td)
  192 {
  193         teken_stat *ts = scp->ts;
  194         vid_info_t *vi;
  195         unsigned int attr;
  196 
  197         switch (cmd) {
  198         case GIO_ATTR:          /* get current attributes */
  199                 *(int*)data =
  200                     scteken_attr(teken_get_curattr(&ts->ts_teken));
  201                 return (0);
  202         case CONS_GETINFO:      /* get current (virtual) console info */
  203                 vi = (vid_info_t *)data;
  204                 if (vi->size != sizeof(struct vid_info))
  205                         return EINVAL;
  206 
  207                 attr = scteken_attr(teken_get_defattr(&ts->ts_teken));
  208                 vi->mv_norm.fore = attr & 0x0f;
  209                 vi->mv_norm.back = (attr >> 4) & 0x0f;
  210                 vi->mv_rev.fore = vi->mv_norm.back;
  211                 vi->mv_rev.back = vi->mv_norm.fore;
  212                 /*
  213                  * The other fields are filled by the upper routine. XXX
  214                  */
  215                 return (ENOIOCTL);
  216         }
  217 
  218         return (ENOIOCTL);
  219 }
  220 
  221 static void
  222 scteken_default_attr(scr_stat *scp, int color, int rev_color)
  223 {
  224         teken_stat *ts = scp->ts;
  225         teken_attr_t ta;
  226 
  227         scteken_revattr(color, &ta);
  228         teken_set_defattr(&ts->ts_teken, &ta);
  229 }
  230 
  231 static void
  232 scteken_clear(scr_stat *scp)
  233 {
  234 
  235         sc_move_cursor(scp, 0, 0);
  236         sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], SC_NORM_ATTR << 8);
  237         mark_all(scp);
  238 }
  239 
  240 static int
  241 scteken_input(scr_stat *scp, int c, struct tty *tp)
  242 {
  243 
  244         return FALSE;
  245 }
  246 
  247 static const char *
  248 scteken_fkeystr(scr_stat *scp, int c)
  249 {
  250         teken_stat *ts = scp->ts;
  251         unsigned int k;
  252 
  253         switch (c) {
  254         case FKEY | F(1):  case FKEY | F(2):  case FKEY | F(3):
  255         case FKEY | F(4):  case FKEY | F(5):  case FKEY | F(6):
  256         case FKEY | F(7):  case FKEY | F(8):  case FKEY | F(9):
  257         case FKEY | F(10): case FKEY | F(11): case FKEY | F(12):
  258                 k = TKEY_F1 + c - (FKEY | F(1));
  259                 break;
  260         case FKEY | F(49):
  261                 k = TKEY_HOME;
  262                 break;
  263         case FKEY | F(50):
  264                 k = TKEY_UP;
  265                 break;
  266         case FKEY | F(51):
  267                 k = TKEY_PAGE_UP;
  268                 break;
  269         case FKEY | F(53):
  270                 k = TKEY_LEFT;
  271                 break;
  272         case FKEY | F(55):
  273                 k = TKEY_RIGHT;
  274                 break;
  275         case FKEY | F(57):
  276                 k = TKEY_END;
  277                 break;
  278         case FKEY | F(58):
  279                 k = TKEY_DOWN;
  280                 break;
  281         case FKEY | F(59):
  282                 k = TKEY_PAGE_DOWN;
  283                 break;
  284         case FKEY | F(60):
  285                 k = TKEY_INSERT;
  286                 break;
  287         case FKEY | F(61):
  288                 k = TKEY_DELETE;
  289                 break;
  290         default:
  291                 return (NULL);
  292         }
  293 
  294         return (teken_get_sequence(&ts->ts_teken, k));
  295 }
  296 
  297 static void
  298 scteken_nop(void)
  299 {
  300 
  301 }
  302 
  303 /*
  304  * libteken routines.
  305  */
  306 
  307 static const unsigned char fgcolors_normal[TC_NCOLORS] = {
  308         FG_BLACK,     FG_RED,          FG_GREEN,      FG_BROWN,
  309         FG_BLUE,      FG_MAGENTA,      FG_CYAN,       FG_LIGHTGREY,
  310 };
  311 
  312 static const unsigned char fgcolors_bold[TC_NCOLORS] = {
  313         FG_DARKGREY,  FG_LIGHTRED,     FG_LIGHTGREEN, FG_YELLOW,
  314         FG_LIGHTBLUE, FG_LIGHTMAGENTA, FG_LIGHTCYAN,  FG_WHITE,
  315 };
  316 
  317 static const unsigned char bgcolors[TC_NCOLORS] = {
  318         BG_BLACK,     BG_RED,          BG_GREEN,      BG_BROWN,
  319         BG_BLUE,      BG_MAGENTA,      BG_CYAN,       BG_LIGHTGREY,
  320 };
  321 
  322 static void
  323 scteken_revattr(unsigned char color, teken_attr_t *a)
  324 {
  325         teken_color_t fg, bg;
  326 
  327         /*
  328          * XXX: Reverse conversion of syscons to teken attributes. Not
  329          * realiable. Maybe we should turn it into a 1:1 mapping one of
  330          * these days?
  331          */
  332 
  333         a->ta_format = 0;
  334         a->ta_fgcolor = TC_WHITE;
  335         a->ta_bgcolor = TC_BLACK;
  336 
  337 #ifdef FG_BLINK
  338         if (color & FG_BLINK) {
  339                 a->ta_format |= TF_BLINK;
  340                 color &= ~FG_BLINK;
  341         }
  342 #endif /* FG_BLINK */
  343 
  344         for (fg = 0; fg < TC_NCOLORS; fg++) {
  345                 for (bg = 0; bg < TC_NCOLORS; bg++) {
  346                         if ((fgcolors_normal[fg] | bgcolors[bg]) == color) {
  347                                 a->ta_fgcolor = fg;
  348                                 a->ta_bgcolor = bg;
  349                                 return;
  350                         }
  351 
  352                         if ((fgcolors_bold[fg] | bgcolors[bg]) == color) {
  353                                 a->ta_fgcolor = fg;
  354                                 a->ta_bgcolor = bg;
  355                                 a->ta_format |= TF_BOLD;
  356                                 return;
  357                         }
  358                 }
  359         }
  360 }
  361 
  362 static unsigned int
  363 scteken_attr(const teken_attr_t *a)
  364 {
  365         unsigned int attr = 0;
  366         teken_color_t fg, bg;
  367 
  368         if (a->ta_format & TF_REVERSE) {
  369                 fg = teken_256to8(a->ta_bgcolor);
  370                 bg = teken_256to8(a->ta_fgcolor);
  371         } else {
  372                 fg = teken_256to8(a->ta_fgcolor);
  373                 bg = teken_256to8(a->ta_bgcolor);
  374         }
  375         if (a->ta_format & TF_BOLD)
  376                 attr |= fgcolors_bold[fg];
  377         else
  378                 attr |= fgcolors_normal[fg];
  379         attr |= bgcolors[bg];
  380 
  381 #ifdef FG_UNDERLINE
  382         if (a->ta_format & TF_UNDERLINE)
  383                 attr |= FG_UNDERLINE;
  384 #endif /* FG_UNDERLINE */
  385 #ifdef FG_BLINK
  386         if (a->ta_format & TF_BLINK)
  387                 attr |= FG_BLINK;
  388 #endif /* FG_BLINK */
  389 
  390         return (attr);
  391 }
  392 
  393 static void
  394 scteken_bell(void *arg)
  395 {
  396         scr_stat *scp = arg;
  397 
  398         sc_bell(scp, scp->bell_pitch, scp->bell_duration);
  399 }
  400 
  401 static void
  402 scteken_cursor(void *arg, const teken_pos_t *p)
  403 {
  404         scr_stat *scp = arg;
  405 
  406         sc_move_cursor(scp, p->tp_col, p->tp_row);
  407 }
  408 
  409 #ifdef TEKEN_UTF8
  410 struct unicp437 {
  411         uint16_t        unicode_base;
  412         uint8_t         cp437_base;
  413         uint8_t         length;
  414 };
  415 
  416 static const struct unicp437 cp437table[] = {
  417         { 0x0020, 0x20, 0x5e }, { 0x00a0, 0x20, 0x00 },
  418         { 0x00a1, 0xad, 0x00 }, { 0x00a2, 0x9b, 0x00 },
  419         { 0x00a3, 0x9c, 0x00 }, { 0x00a5, 0x9d, 0x00 },
  420         { 0x00a7, 0x15, 0x00 }, { 0x00aa, 0xa6, 0x00 },
  421         { 0x00ab, 0xae, 0x00 }, { 0x00ac, 0xaa, 0x00 },
  422         { 0x00b0, 0xf8, 0x00 }, { 0x00b1, 0xf1, 0x00 },
  423         { 0x00b2, 0xfd, 0x00 }, { 0x00b5, 0xe6, 0x00 },
  424         { 0x00b6, 0x14, 0x00 }, { 0x00b7, 0xfa, 0x00 },
  425         { 0x00ba, 0xa7, 0x00 }, { 0x00bb, 0xaf, 0x00 },
  426         { 0x00bc, 0xac, 0x00 }, { 0x00bd, 0xab, 0x00 },
  427         { 0x00bf, 0xa8, 0x00 }, { 0x00c4, 0x8e, 0x01 },
  428         { 0x00c6, 0x92, 0x00 }, { 0x00c7, 0x80, 0x00 },
  429         { 0x00c9, 0x90, 0x00 }, { 0x00d1, 0xa5, 0x00 },
  430         { 0x00d6, 0x99, 0x00 }, { 0x00dc, 0x9a, 0x00 },
  431         { 0x00df, 0xe1, 0x00 }, { 0x00e0, 0x85, 0x00 },
  432         { 0x00e1, 0xa0, 0x00 }, { 0x00e2, 0x83, 0x00 },
  433         { 0x00e4, 0x84, 0x00 }, { 0x00e5, 0x86, 0x00 },
  434         { 0x00e6, 0x91, 0x00 }, { 0x00e7, 0x87, 0x00 },
  435         { 0x00e8, 0x8a, 0x00 }, { 0x00e9, 0x82, 0x00 },
  436         { 0x00ea, 0x88, 0x01 }, { 0x00ec, 0x8d, 0x00 },
  437         { 0x00ed, 0xa1, 0x00 }, { 0x00ee, 0x8c, 0x00 },
  438         { 0x00ef, 0x8b, 0x00 }, { 0x00f0, 0xeb, 0x00 },
  439         { 0x00f1, 0xa4, 0x00 }, { 0x00f2, 0x95, 0x00 },
  440         { 0x00f3, 0xa2, 0x00 }, { 0x00f4, 0x93, 0x00 },
  441         { 0x00f6, 0x94, 0x00 }, { 0x00f7, 0xf6, 0x00 },
  442         { 0x00f8, 0xed, 0x00 }, { 0x00f9, 0x97, 0x00 },
  443         { 0x00fa, 0xa3, 0x00 }, { 0x00fb, 0x96, 0x00 },
  444         { 0x00fc, 0x81, 0x00 }, { 0x00ff, 0x98, 0x00 },
  445         { 0x0192, 0x9f, 0x00 }, { 0x0393, 0xe2, 0x00 },
  446         { 0x0398, 0xe9, 0x00 }, { 0x03a3, 0xe4, 0x00 },
  447         { 0x03a6, 0xe8, 0x00 }, { 0x03a9, 0xea, 0x00 },
  448         { 0x03b1, 0xe0, 0x01 }, { 0x03b4, 0xeb, 0x00 },
  449         { 0x03b5, 0xee, 0x00 }, { 0x03bc, 0xe6, 0x00 },
  450         { 0x03c0, 0xe3, 0x00 }, { 0x03c3, 0xe5, 0x00 },
  451         { 0x03c4, 0xe7, 0x00 }, { 0x03c6, 0xed, 0x00 },
  452         { 0x03d5, 0xed, 0x00 }, { 0x2010, 0x2d, 0x00 },
  453         { 0x2014, 0x2d, 0x00 }, { 0x2018, 0x60, 0x00 },
  454         { 0x2019, 0x27, 0x00 }, { 0x201c, 0x22, 0x00 },
  455         { 0x201d, 0x22, 0x00 }, { 0x2022, 0x07, 0x00 },
  456         { 0x203c, 0x13, 0x00 }, { 0x207f, 0xfc, 0x00 },
  457         { 0x20a7, 0x9e, 0x00 }, { 0x20ac, 0xee, 0x00 },
  458         { 0x2126, 0xea, 0x00 }, { 0x2190, 0x1b, 0x00 },
  459         { 0x2191, 0x18, 0x00 }, { 0x2192, 0x1a, 0x00 },
  460         { 0x2193, 0x19, 0x00 }, { 0x2194, 0x1d, 0x00 },
  461         { 0x2195, 0x12, 0x00 }, { 0x21a8, 0x17, 0x00 },
  462         { 0x2202, 0xeb, 0x00 }, { 0x2208, 0xee, 0x00 },
  463         { 0x2211, 0xe4, 0x00 }, { 0x2212, 0x2d, 0x00 },
  464         { 0x2219, 0xf9, 0x00 }, { 0x221a, 0xfb, 0x00 },
  465         { 0x221e, 0xec, 0x00 }, { 0x221f, 0x1c, 0x00 },
  466         { 0x2229, 0xef, 0x00 }, { 0x2248, 0xf7, 0x00 },
  467         { 0x2261, 0xf0, 0x00 }, { 0x2264, 0xf3, 0x00 },
  468         { 0x2265, 0xf2, 0x00 }, { 0x2302, 0x7f, 0x00 },
  469         { 0x2310, 0xa9, 0x00 }, { 0x2320, 0xf4, 0x00 },
  470         { 0x2321, 0xf5, 0x00 }, { 0x2500, 0xc4, 0x00 },
  471         { 0x2502, 0xb3, 0x00 }, { 0x250c, 0xda, 0x00 },
  472         { 0x2510, 0xbf, 0x00 }, { 0x2514, 0xc0, 0x00 },
  473         { 0x2518, 0xd9, 0x00 }, { 0x251c, 0xc3, 0x00 },
  474         { 0x2524, 0xb4, 0x00 }, { 0x252c, 0xc2, 0x00 },
  475         { 0x2534, 0xc1, 0x00 }, { 0x253c, 0xc5, 0x00 },
  476         { 0x2550, 0xcd, 0x00 }, { 0x2551, 0xba, 0x00 },
  477         { 0x2552, 0xd5, 0x00 }, { 0x2553, 0xd6, 0x00 },
  478         { 0x2554, 0xc9, 0x00 }, { 0x2555, 0xb8, 0x00 },
  479         { 0x2556, 0xb7, 0x00 }, { 0x2557, 0xbb, 0x00 },
  480         { 0x2558, 0xd4, 0x00 }, { 0x2559, 0xd3, 0x00 },
  481         { 0x255a, 0xc8, 0x00 }, { 0x255b, 0xbe, 0x00 },
  482         { 0x255c, 0xbd, 0x00 }, { 0x255d, 0xbc, 0x00 },
  483         { 0x255e, 0xc6, 0x01 }, { 0x2560, 0xcc, 0x00 },
  484         { 0x2561, 0xb5, 0x00 }, { 0x2562, 0xb6, 0x00 },
  485         { 0x2563, 0xb9, 0x00 }, { 0x2564, 0xd1, 0x01 },
  486         { 0x2566, 0xcb, 0x00 }, { 0x2567, 0xcf, 0x00 },
  487         { 0x2568, 0xd0, 0x00 }, { 0x2569, 0xca, 0x00 },
  488         { 0x256a, 0xd8, 0x00 }, { 0x256b, 0xd7, 0x00 },
  489         { 0x256c, 0xce, 0x00 }, { 0x2580, 0xdf, 0x00 },
  490         { 0x2584, 0xdc, 0x00 }, { 0x2588, 0xdb, 0x00 },
  491         { 0x258c, 0xdd, 0x00 }, { 0x2590, 0xde, 0x00 },
  492         { 0x2591, 0xb0, 0x02 }, { 0x25a0, 0xfe, 0x00 },
  493         { 0x25ac, 0x16, 0x00 }, { 0x25b2, 0x1e, 0x00 },
  494         { 0x25ba, 0x10, 0x00 }, { 0x25bc, 0x1f, 0x00 },
  495         { 0x25c4, 0x11, 0x00 }, { 0x25cb, 0x09, 0x00 },
  496         { 0x25d8, 0x08, 0x00 }, { 0x25d9, 0x0a, 0x00 },
  497         { 0x263a, 0x01, 0x01 }, { 0x263c, 0x0f, 0x00 },
  498         { 0x2640, 0x0c, 0x00 }, { 0x2642, 0x0b, 0x00 },
  499         { 0x2660, 0x06, 0x00 }, { 0x2663, 0x05, 0x00 },
  500         { 0x2665, 0x03, 0x01 }, { 0x266a, 0x0d, 0x01 },
  501 };
  502 
  503 static void
  504 scteken_get_cp437(teken_char_t *c, int *attr)
  505 {
  506         int min, mid, max;
  507 
  508         min = 0;
  509         max = (sizeof(cp437table) / sizeof(struct unicp437)) - 1;
  510 
  511         if (*c < cp437table[0].unicode_base ||
  512             *c > cp437table[max].unicode_base + cp437table[max].length)
  513                 goto bad;
  514 
  515         while (max >= min) {
  516                 mid = (min + max) / 2;
  517                 if (*c < cp437table[mid].unicode_base) {
  518                         max = mid - 1;
  519                 } else if (*c > cp437table[mid].unicode_base +
  520                     cp437table[mid].length) {
  521                         min = mid + 1;
  522                 } else {
  523                         *c -= cp437table[mid].unicode_base;
  524                         *c += cp437table[mid].cp437_base;
  525                         return;
  526                 }
  527         }
  528 bad:
  529         /* Character not present in CP437. */
  530         *attr = (FG_RED|BG_BLACK) << 8;
  531         *c = '?';
  532 }
  533 #endif /* TEKEN_UTF8 */
  534 
  535 static void
  536 scteken_putchar(void *arg, const teken_pos_t *tp, teken_char_t c,
  537     const teken_attr_t *a)
  538 {
  539         scr_stat *scp = arg;
  540         u_char *map;
  541         u_char ch;
  542         vm_offset_t p;
  543         int cursor, attr;
  544 
  545         attr = scteken_attr(a) << 8;
  546 #ifdef TEKEN_UTF8
  547         scteken_get_cp437(&c, &attr);
  548 #endif /* TEKEN_UTF8 */
  549         ch = c;
  550 
  551         map = scp->sc->scr_map;
  552 
  553         cursor = tp->tp_row * scp->xsize + tp->tp_col;
  554         p = sc_vtb_pointer(&scp->vtb, cursor);
  555         sc_vtb_putchar(&scp->vtb, p, map[ch], attr);
  556 
  557         mark_for_update(scp, cursor);
  558         /*
  559          * XXX: Why do we need this? Only marking `cursor' should be
  560          * enough. Without this line, we get artifacts.
  561          */
  562         mark_for_update(scp, imin(cursor + 1, scp->xsize * scp->ysize - 1));
  563 }
  564 
  565 static void
  566 scteken_fill(void *arg, const teken_rect_t *r, teken_char_t c,
  567     const teken_attr_t *a)
  568 {
  569         scr_stat *scp = arg;
  570         u_char *map;
  571         u_char ch;
  572         unsigned int width;
  573         int attr, row;
  574 
  575         attr = scteken_attr(a) << 8;
  576 #ifdef TEKEN_UTF8
  577         scteken_get_cp437(&c, &attr);
  578 #endif /* TEKEN_UTF8 */
  579         ch = c;
  580 
  581         map = scp->sc->scr_map;
  582 
  583         if (r->tr_begin.tp_col == 0 && r->tr_end.tp_col == scp->xsize) {
  584                 /* Single contiguous region to fill. */
  585                 sc_vtb_erase(&scp->vtb, r->tr_begin.tp_row * scp->xsize,
  586                     (r->tr_end.tp_row - r->tr_begin.tp_row) * scp->xsize,
  587                     map[ch], attr);
  588         } else {
  589                 /* Fill display line by line. */
  590                 width = r->tr_end.tp_col - r->tr_begin.tp_col;
  591 
  592                 for (row = r->tr_begin.tp_row; row < r->tr_end.tp_row; row++) {
  593                         sc_vtb_erase(&scp->vtb, r->tr_begin.tp_row *
  594                             scp->xsize + r->tr_begin.tp_col,
  595                             width, map[ch], attr);
  596                 }
  597         }
  598 
  599         /* Mark begin and end positions to be refreshed. */
  600         mark_for_update(scp,
  601             r->tr_begin.tp_row * scp->xsize + r->tr_begin.tp_col);
  602         mark_for_update(scp,
  603             (r->tr_end.tp_row - 1) * scp->xsize + (r->tr_end.tp_col - 1));
  604         sc_remove_cutmarking(scp);
  605 }
  606 
  607 static void
  608 scteken_copy(void *arg, const teken_rect_t *r, const teken_pos_t *p)
  609 {
  610         scr_stat *scp = arg;
  611         unsigned int width;
  612         int src, dst, end;
  613 
  614 #ifndef SC_NO_HISTORY
  615         /*
  616          * We count a line of input as history if we perform a copy of
  617          * one whole line upward. In other words: if a line of text gets
  618          * overwritten by a rectangle that's right below it.
  619          */
  620         if (scp->history != NULL &&
  621             r->tr_begin.tp_col == 0 && r->tr_end.tp_col == scp->xsize &&
  622             r->tr_begin.tp_row == p->tp_row + 1) {
  623                 sc_hist_save_one_line(scp, p->tp_row);
  624         }
  625 #endif
  626 
  627         if (r->tr_begin.tp_col == 0 && r->tr_end.tp_col == scp->xsize) {
  628                 /* Single contiguous region to copy. */
  629                 sc_vtb_move(&scp->vtb, r->tr_begin.tp_row * scp->xsize,
  630                     p->tp_row * scp->xsize,
  631                     (r->tr_end.tp_row - r->tr_begin.tp_row) * scp->xsize);
  632         } else {
  633                 /* Copy line by line. */
  634                 width = r->tr_end.tp_col - r->tr_begin.tp_col;
  635 
  636                 if (p->tp_row < r->tr_begin.tp_row) {
  637                         /* Copy from top to bottom. */
  638                         src = r->tr_begin.tp_row * scp->xsize +
  639                             r->tr_begin.tp_col;
  640                         end = r->tr_end.tp_row * scp->xsize +
  641                             r->tr_end.tp_col;
  642                         dst = p->tp_row * scp->xsize + p->tp_col;
  643 
  644                         while (src < end) {
  645                                 sc_vtb_move(&scp->vtb, src, dst, width);
  646 
  647                                 src += scp->xsize;
  648                                 dst += scp->xsize;
  649                         }
  650                 } else {
  651                         /* Copy from bottom to top. */
  652                         src = (r->tr_end.tp_row - 1) * scp->xsize +
  653                             r->tr_begin.tp_col;
  654                         end = r->tr_begin.tp_row * scp->xsize +
  655                             r->tr_begin.tp_col;
  656                         dst = (p->tp_row + r->tr_end.tp_row -
  657                             r->tr_begin.tp_row - 1) * scp->xsize + p->tp_col;
  658 
  659                         while (src >= end) {
  660                                 sc_vtb_move(&scp->vtb, src, dst, width);
  661 
  662                                 src -= scp->xsize;
  663                                 dst -= scp->xsize;
  664                         }
  665                 }
  666         }
  667 
  668         /* Mark begin and end positions to be refreshed. */
  669         mark_for_update(scp,
  670             p->tp_row * scp->xsize + p->tp_col);
  671         mark_for_update(scp,
  672             (p->tp_row + r->tr_end.tp_row - r->tr_begin.tp_row - 1) *
  673             scp->xsize +
  674             (p->tp_col + r->tr_end.tp_col - r->tr_begin.tp_col - 1));
  675         sc_remove_cutmarking(scp);
  676 }
  677 
  678 static void
  679 scteken_param(void *arg, int cmd, unsigned int value)
  680 {
  681         scr_stat *scp = arg;
  682 
  683         switch (cmd) {
  684         case TP_SHOWCURSOR:
  685                 if (value) {
  686                         sc_change_cursor_shape(scp,
  687                             CONS_RESET_CURSOR|CONS_LOCAL_CURSOR, -1, -1);
  688                 } else {
  689                         sc_change_cursor_shape(scp,
  690                             CONS_HIDDEN_CURSOR|CONS_LOCAL_CURSOR, -1, -1);
  691                 }
  692                 break;
  693         case TP_SWITCHVT:
  694                 sc_switch_scr(scp->sc, value);
  695                 break;
  696         case TP_SETBELLPD:
  697                 scp->bell_pitch = TP_SETBELLPD_PITCH(value);
  698                 scp->bell_duration = TP_SETBELLPD_DURATION(value);
  699                 break;
  700         case TP_MOUSE:
  701                 scp->mouse_level = value;
  702                 break;
  703         }
  704 }
  705 
  706 static void
  707 scteken_respond(void *arg, const void *buf, size_t len)
  708 {
  709         scr_stat *scp = arg;
  710 
  711         sc_respond(scp, buf, len, 0);
  712 }
Cache object: fca9da887e20143bfbb406196925668f
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FreeBSD/Linux Kernel Cross Reference sys/dev/syscons/scterm-teken.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/syscons/scterm-teken.c
