contrib/ncurses/tack/ansi.c

   1 /*
   2 ** Copyright (C) 1991, 1997 Free Software Foundation, Inc.
   3 **
   4 ** This file is part of TACK.
   5 **
   6 ** TACK is free software; you can redistribute it and/or modify
   7 ** it under the terms of the GNU General Public License as published by
   8 ** the Free Software Foundation; either version 2, or (at your option)
   9 ** any later version.
  10 **
  11 ** TACK is distributed in the hope that it will be useful,
  12 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ** GNU General Public License for more details.
  15 **
  16 ** You should have received a copy of the GNU General Public License
  17 ** along with TACK; see the file COPYING.  If not, write to
  18 ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 ** Boston, MA 02111-1307, USA.
  20 */
  21
  22 #include <tack.h>
  23
  24 MODULE_ID("$Id: ansi.c,v 1.9 2001/06/18 18:44:17 tom Exp $")
  25
  26 /*
  27  * Standalone tests for ANSI terminals.  Three entry points:
  28  * test_ansi_graphics(), test_ansi_reports() and test_ansi_sgr().
  29  */
  30
  31 /*****************************************************************************
  32  *
  33  * Test ANSI status reports
  34  *
  35  *****************************************************************************/
  36
  37 /* ASCII control characters */
  38 #define A_DC1 0x11              /* Control Q */
  39 #define A_DC3 0x13              /* Control S */
  40 #define A_ESC 0x1b
  41 #define A_DCS 0x90
  42 #define A_CSI 0x9b
  43 #define A_ST  0x9c
  44
  45 #define MAX_MODES 256
  46
  47 static char default_bank[] = "\033(B\017";
  48 static int private_use, ape, terminal_class;
  49 static short ansi_value[256];
  50 static unsigned char ansi_buf[512], pack_buf[512];
  51
  52 struct ansi_reports {
  53         int lvl, final;
  54         const char *text;
  55         const char *request;
  56 };
  57
  58 static struct ansi_reports report_list[] = {
  59         {0, 'c', "(DA) Primary device attributes", "\033[0c"},
  60         {1, 0, "(DSR) Terminal status", "\033[5n"},
  61         {1, 'R', "(DSR) Cursor position", "\033[6n"},
  62         {62, 0, "(DA) Secondary device attributes", "\033[>0c"},
  63         {62, 0, "(DSR) Printer status", "\033[?15n"},
  64         {62, 0, "(DSR) Function key definition", "\033[?25n"},
  65         {62, 0, "(DSR) Keyboard language", "\033[?26n"},
  66         {63, 0, "(DECRQSS) Data destination", "\033P$q$}\033\\"},
  67         {63, 0, "(DECRQSS) Status line type", "\033P$q$~\033\\"},
  68         {63, 0, "(DECRQSS) Erase attribute", "\033P$q\"q\033\\"},
  69         {63, 0, "(DECRQSS) Personality", "\033P$q\"p\033\\"},
  70         {63, 0, "(DECRQSS) Top and bottom margins", "\033P$qr\033\\"},
  71         {63, 0, "(DECRQSS) Character attributes", "\033P$qm\033\\"},
  72         {63, 0, "(DECRQSS) Illegal request", "\033P$q@\033\\"},
  73         {63, 0, "(DECRQUPSS) User pref supplemental set", "\033[&u"},
  74         {63, 0, "(DECRQPSR) Cursor information", "\033[1$w"},
  75         {63, 0, "(DECRQPSR) Tab stop information", "\033[2$w"},
  76         {64, 0, "(DA) Tertiary device attributes", "\033[=0c"},
  77         {64, 0, "(DSR) Extended cursor position", "\033[?6n"},
  78         {64, 0, "(DSR) Macro space", "\033[?62n"},
  79         {64, 0, "(DSR) Memory checksum", "\033[?63n"},
  80         {64, 0, "(DSR) Data integrity", "\033[?75n"},
  81         {64, 0, "(DSR) Multiple session status", "\033[?85n"},
  82         {64, 0, "(DECRQSS) Attribute change extent", "\033P$q*x\033\\"},
  83         {64, 0, "(DECRQSS) Columns per page", "\033P$q$|\033\\"},
  84         {64, 0, "(DECRQSS) Lines per page", "\033P$qt\033\\"},
  85         {64, 0, "(DECRQSS) Lines per screen", "\033P$q*|\033\\"},
  86         {64, 0, "(DECRQSS) Left and right margins", "\033P$qs\033\\"},
  87         {64, 0, "(DECRQSS) Local functions", "\033P$q+q\033\\"},
  88         {64, 0, "(DECRQSS) Local function key control", "\033P$q=}\033\\"},
  89         {64, 0, "(DECRQSS) Select modifier key reporting", "\033P$q+r\033\\"},
  90         {64, 0, "(DECRQDE) Window report", "\033[\"v"},
  91         {0, 0, 0, 0}
  92 };
  93
  94 struct request_control {
  95         const char *text;
  96         const char *expect;
  97         const char *request;
  98         const char *set_mode;
  99         const char *reset_mode;
 100 };
 101
 102 /* Request control function selection or setting */
 103 static const struct request_control rqss[] = {
 104         {"Data sent to screen", "0", "$}", "\033[0$}", 0},
 105         {"Data sent to disabled status line", "0", "$}", 0, 0},
 106         {"\033[0$~\033[1$}", "\033[0$}", 0, 0, 0},
 107         {"Data sent to enabled status line", "1", "$}", 0, 0},
 108         {"\033[2$~\033[1$}", "\033[0$}", 0, 0, 0},
 109         {"Disable status line", "0", "$~", "\033[0$~", 0},
 110         {"Top status line", "1", "$~", "\033[1$~", 0},
 111         {"Bottom status line", "2", "$~", "\033[2$~", 0},
 112         {"Erasable character", "0", "\"q", "\033[0\"q", 0},
 113         {"Nonerasable character", "1", "\"q", "\033[1\"q", "\033[0\"q"},
 114         {"Top and bottom margins", "3;10", "r", "\0337\033[3;10r", 0},
 115         {"\033[r\0338", 0, 0, 0, 0},
 116         {"Top and bottom margins", "default", "r", "\0337\033[r", "\0338"},
 117         {"Character attributes, dim, bold", "1", "m", "\033[2;1m", "\033[m"},
 118         {"Character attributes, bold, dim", "2", "m", "\033[1;2m", "\033[m"},
 119         {"Character attributes, under, rev", "4;7", "m", "\033[4;7m", "\033[m"},
 120         {"Character attributes, color", "35;42", "m", "\033[35;42m", "\033[m"},
 121         {"All character attributes", "", "m", "\033[1;2;3;4;5;6;7;8;9m", 0},
 122         {"\033[m", 0, 0, 0, 0},
 123         {0, 0, 0, 0, 0}
 124 };
 125
 126
 127 /*
 128 **      read_ansi()
 129 **
 130 **      read an ANSI status report from terminal
 131 */
 132 static void
 133 read_ansi(void)
 134 {
 135         int ch, i, j, last_escape;
 136
 137         fflush(stdout);
 138         read_key((char *)ansi_buf, sizeof(ansi_buf));
 139         /* Throw away control characters inside CSI sequences.
 140            Convert two character 7-bit sequences into 8-bit sequences. */
 141         for (i = j = last_escape = 0; (ch = ansi_buf[i]) != 0; i++) {
 142                 if (ch == A_ESC) {
 143                         if (last_escape == A_ESC) {
 144                                 pack_buf[j++] = A_ESC;
 145                         }
 146                         last_escape = A_ESC;
 147                 } else
 148                 if (last_escape == A_ESC && ch >= '@' && ch <= '_') {
 149                         pack_buf[j++] = last_escape = ch + 0x40;
 150                 } else
 151                 if (last_escape != A_CSI || (ch > 0x20 && ch != 0x80)) {
 152                         if (last_escape == A_ESC) {
 153                                 pack_buf[j++] = A_ESC;
 154                         }
 155                         if (ch > 0x80 && ch < 0xa0) {
 156                                 last_escape = ch;
 157                         }
 158                         pack_buf[j++] = ch;
 159                 }
 160         }
 161         if (last_escape == A_ESC) {
 162                 pack_buf[j++] = A_ESC;
 163         }
 164         pack_buf[j] = '\0';
 165         return;
 166 }
 167
 168 /*
 169 **      valid_mode(expected)
 170 **
 171 **      read a terminal mode status report and parse the result
 172 **      Return TRUE if we got the expected terminating character.
 173 */
 174 static int
 175 valid_mode(int expected)
 176 {
 177         unsigned char *s;
 178         int ch, terminator;
 179
 180         read_ansi();
 181
 182         ape = 0;
 183         ch = UChar(pack_buf[0]);
 184         ansi_value[0] = 0;
 185         if (ch != A_CSI && ch != A_DCS)
 186                 return FALSE;
 187
 188         s = pack_buf + 1;
 189         private_use = 0;
 190         if ((*s >= '<') & (*s <= '?')) {
 191                 private_use = *s++;
 192         }
 193         terminator = 0;
 194         for (; (ch = *s); s++) {
 195                 if (ch >= '0' && ch <= '9')
 196                         ansi_value[ape] = ansi_value[ape] * 10 + ch - '0';
 197                 else if (ch == ';' || ch == ':')
 198                         ansi_value[++ape] = 0;
 199                 else if (ch >= '<' && ch <= '?')
 200                         private_use = ch;
 201                 else if (ch >= ' ')
 202                         terminator = (terminator << 8) | ch;
 203                 else
 204                         break;
 205         }
 206         return terminator == expected;
 207 }
 208
 209 /*
 210 **      read_reports()
 211 **
 212 **      read all the reports in the ANSI report structure
 213 */
 214 static int
 215 read_reports(void)
 216 {
 217         int i, j, k, tc, vcr, lc;
 218         char *s;
 219         const char *t;
 220
 221         lc = 5;
 222         terminal_class = tc = 0;
 223         for (i = 0; report_list[i].text; i++, lc++) {
 224                 if (terminal_class < report_list[i].lvl &&
 225                         tc < report_list[i].lvl) {
 226                         put_crlf();
 227                         menu_prompt();
 228                         ptext("/status [q] > ");
 229                         j = wait_here();
 230                         if (j != 'n' && j != 'N')
 231                                 return 0;
 232                         tc = report_list[i].lvl;
 233                         lc = 1;
 234                 } else if (lc + 2 >= lines) {
 235                         put_crlf();
 236                         ptext("Hit any key to continue ");
 237                         (void) wait_here();
 238                         lc = 1;
 239                 }
 240                 sprintf(temp, "%s (%s) ", report_list[i].text,
 241                         expand_command(report_list[i].request));
 242                 ptext(temp);
 243                 for (j = strlen(temp); j < 49; j++)
 244                         putchp(' ');
 245                 tc_putp(report_list[i].request);
 246                 vcr = 0;
 247                 if (report_list[i].final == 0) {
 248                         read_ansi();
 249                 } else if (valid_mode(report_list[i].final))
 250                         switch (report_list[i].final) {
 251                         case 'c':
 252                                 terminal_class = ansi_value[0];
 253                                 break;
 254                         case 'R':
 255                                 vcr = TRUE;
 256                                 break;
 257                         }
 258                 j = UChar(pack_buf[0]);
 259                 if (j != A_CSI && j != A_DCS) {
 260                         put_crlf();
 261                         t = "*** The above request gives illegal response ***";
 262                         ptext(t);
 263                         for (j = strlen(t); j < 49; j++)
 264                                 putchp(' ');
 265                 }
 266                 s = expand((const char *)ansi_buf);
 267                 if (char_count + expand_chars >= columns) {
 268                         put_str("\r\n        ");
 269                         lc++;
 270                 }
 271                 putln(s);
 272                 if (vcr) {      /* find out how big the screen is */
 273                         tc_putp(report_list[i].request);
 274                         if (!valid_mode('R'))
 275                                 continue;
 276                         j = ansi_value[0];
 277                         k = ansi_value[1];
 278                         tc_putp("\033[255B\033[255C\033[6n");
 279                         if (!valid_mode('R'))
 280                                 continue;
 281                         sprintf(temp, "\033[%d;%dH", j, k);
 282                         tc_putp(temp);
 283                         ptext("(DSR) Screen size (CSI 6 n)");
 284                         for (j = char_count; j < 50; j++)
 285                                 putchp(' ');
 286                         sprintf(temp, "%d x %d", ansi_value[1], ansi_value[0]);
 287                         ptextln(temp);
 288
 289                 }
 290         }
 291         menu_prompt();
 292         ptext("/status r->repeat test, <return> to continue > ");
 293         return wait_here();
 294 }
 295
 296 /*
 297 **      request_cfss()
 298 **
 299 **      Request Control function selection or settings
 300 */
 301 static int
 302 request_cfss(void)
 303 {
 304         int i, j, k, l, ch;
 305         char *s;
 306
 307         put_clear();
 308         ptextln("Request                         Expected  Received");
 309         put_crlf();
 310         for (i = 0; rqss[i].text; i++) {
 311                 ptext(rqss[i].text);
 312                 j = strlen(rqss[i].text) + strlen(rqss[i].expect);
 313                 putchp(' ');
 314                 for (j++; j < 40; j++)
 315                         putchp(' ');
 316                 ptext(rqss[i].expect);
 317                 putchp(' ');
 318                 tc_putp(rqss[i].set_mode);
 319                 sprintf(temp, "\033P$q%s\033\\", rqss[i].request);
 320                 tc_putp(temp);
 321                 read_ansi();
 322                 tc_putp(rqss[i].reset_mode);
 323                 putchp(' ');
 324                 for (j = 0; ansi_buf[j]; j++) {
 325                         if (ansi_buf[j] == 'r') {
 326                                 for (k = j++; (ch = UChar(ansi_buf[k])) != 0; k++)
 327                                         if (ch == A_ESC) {
 328                                                 break;
 329                                         } else if (ch == A_ST) {
 330                                                 break;
 331                                         }
 332                                 ansi_buf[k] = '\0';
 333                                 s = expand((const char *)&ansi_buf[j]);
 334                                 if (char_count + expand_chars >= columns)
 335                                         put_str("\r\n        ");
 336                                 put_str(s);
 337                         }
 338                 }
 339                 put_crlf();
 340         }
 341         /* calculate the valid attributes */
 342         ptext("Valid attributes:         0");
 343         j = 0;
 344         for (i = 1; i < 20; i++) {
 345                 sprintf(temp, "\033[0;%dm\033P$qm\033\\", i);
 346                 tc_putp(temp);
 347                 (void) valid_mode('m');
 348                 if (ape > 0) {
 349                         j = i;
 350                         sprintf(temp, "\033[0m; %d", i);
 351                         tc_putp(temp);
 352                 }
 353         }
 354         put_crlf();
 355         /* calculate how many parameters can be sent */
 356         ptext("Max number of parameters: ");
 357         sprintf(temp, "%dm\033P$qm\033\\", j);
 358         l = -1;
 359         if (j > 0)
 360                 for (l = 1; l < 33; l++) {
 361                         tc_putp("\033[0");
 362                         for (ch = 1; ch <= l; ch++)
 363                                 put_this(';');
 364                         tc_putp(temp);
 365                         (void) valid_mode('m');
 366                         if (ape == 0)
 367                                 break;
 368                 }
 369         tc_putp("\033[m");
 370         if (l >= 0) {
 371                 sprintf(temp, "%d", l);
 372                 ptext(temp);
 373         } else
 374                 ptext("unknown");
 375         put_crlf();
 376         return wait_here();
 377 }
 378
 379 /*
 380 **      mode_display(puc, mode, initial, set, reset)
 381 **
 382 **      print the mode display entry
 383 */
 384 static void
 385 mode_display(const char *p, int n, int c, char s, char r)
 386 {
 387         int k;
 388
 389         sprintf(temp, "%s%d (%c, %c, %c)", p, n, c, s, r);
 390         k = strlen(temp);
 391         if (char_count + k >= columns)
 392                 put_crlf();
 393         for (; k < 14; k++)
 394                 putchp(' ');
 395         put_str(temp);
 396 }
 397
 398 /*
 399 **      terminal_state()
 400 **
 401 **      test DECRQM status reports
 402 */
 403 static void
 404 terminal_state(void)
 405 {
 406         static const char *puc[] = {"", "<", "=", ">", "?", 0};
 407
 408         int i, j, k, l, modes_found;
 409         char *s;
 410         char buf[256], tms[256];
 411         int mode_puc[MAX_MODES], mode_number[MAX_MODES];
 412         char set_value[MAX_MODES], reset_value[MAX_MODES];
 413         char current_value[MAX_MODES];
 414
 415         ptext("Testing terminal mode status. (CSI 0 $ p)");
 416         tc_putp("\033[0$p");
 417         modes_found = 0;
 418         tms[0] = '\0';
 419         if (valid_mode(('$' << 8) | 'y')) {
 420                 for (i = 0; puc[i]; i++) {
 421                         put_crlf();
 422                         if (i) {
 423                                 sprintf(temp, "Private use: %c", puc[i][0]);
 424                         } else {
 425                                 strcpy(temp, "Standard modes:");
 426                         }
 427                         k = strlen(temp);
 428                         ptext(temp);
 429                         for (j = 0; j < (int) sizeof(buf); buf[j++] = ' ')
 430                                 ;
 431                         for (j = l = 0; j < 255 && j - l < 50; j++) {
 432                                 sprintf(temp, "\033[%s%d$p", puc[i], j);
 433                                 tc_putp(temp);
 434                                 if (!valid_mode(('$' << 8) | 'y')) {
 435                                         /* not valid, save terminating value */
 436                                         s = expand((const char *)ansi_buf);
 437                                         sprintf(tms, "%s%s%d %s  ", tms,
 438                                                 puc[i], j, s);
 439                                         break;
 440                                 }
 441                                 if (private_use != puc[i][0])
 442                                         break;
 443                                 if (ansi_value[0] != j)
 444                                         break;
 445                                 if (ansi_value[1]) {
 446                                         l = j;
 447                                         if (k > 70) {
 448                                                 buf[k] = '\0';
 449                                                 put_crlf();
 450                                                 ptextln(buf);
 451                                                 for (k = 0; k < (int) sizeof(buf);) {
 452                                                         buf[k++] = ' ';
 453                                                 }
 454                                                 k = 0;
 455                                         }
 456                                         sprintf(temp, " %d", j);
 457                                         ptext(temp);
 458                                         k += strlen(temp);
 459                                         buf[k - 1] = ansi_value[1] + '0';
 460                                         if (modes_found >= MAX_MODES)
 461                                                 continue;
 462                                         current_value[modes_found] =
 463                                                 ansi_value[1] + '0';
 464                                         /* some modes never return */
 465                                         if ((i == 0 && j == 13) /* control execution */
 466                                                 || (puc[i][0] == '?' && j == 2))        /* VT52 */
 467                                                 set_value[modes_found] =
 468                                                         reset_value[modes_found] = '-';
 469                                         else
 470                                                 set_value[modes_found] =
 471                                                         reset_value[modes_found] = ' ';
 472                                         mode_puc[modes_found] = i;
 473                                         mode_number[modes_found++] = j;
 474                                 }
 475                         }
 476                         buf[k] = '\0';
 477                         if (buf[k - 1] != ' ') {
 478                                 put_crlf();
 479                                 ptext(buf);
 480                         }
 481                 }
 482
 483         if ((i = modes_found) != 0) {
 484                 put_crlf();
 485                 put_crlf();
 486                 if (tms[0]) {
 487                         ptextln(tms);
 488                 }
 489                 ptext("Hit 'Y' to test mode set/reset states: ");
 490                 i = wait_here();
 491         }
 492         if (i == 'y' || i == 'Y')
 493                 while (1) {
 494 #ifdef STATUSFIX
 495                         FILE *fp;
 496
 497 #ifdef TEDANSI
 498                         fp = fopen("ted.ansi", "w");
 499 #else
 500                         fp = fopen("/dev/console", "w");
 501 #endif
 502 #endif
 503                         for (i = j = 0; j < modes_found; j = ++i >> 1) {
 504                                 if (set_value[j] == '-')
 505                                         continue;
 506                                 k = (current_value[j] ^ i) & 1;
 507                                 sprintf(temp, "\033[%s%d%c\033[%s%d$p",
 508                                         puc[mode_puc[j]], mode_number[j],
 509                                         k ? 'l' : 'h',
 510                                         puc[mode_puc[j]], mode_number[j]);
 511 #ifdef STATUSFIX
 512                                 if (fp) {
 513                                         fprintf(fp, "%s\n", expand(temp));
 514                                         fflush(fp);
 515                                 }
 516 #endif
 517                                 tc_putp(temp);
 518                                 if (!valid_mode(('$' << 8) | 'y'))
 519                                         continue;
 520                                 if (k) {
 521                                         reset_value[j] = ansi_value[1] + '0';
 522                                 } else {
 523                                         set_value[j] = ansi_value[1] + '0';
 524                                 }
 525                         }
 526                         put_str("\033[30l");    /* added for GORT bug
 527                                                    (WY-185) */
 528 #ifdef STATUSFIX
 529                         if (fp)
 530                                 fclose(fp);
 531 #endif
 532                         tty_set();
 533                         /* print the results */
 534                         put_clear();
 535                         putln("mode (initial, set, reset)");
 536                         for (j = 0; j < modes_found; j++) {
 537                                 mode_display(puc[mode_puc[j]], mode_number[j],
 538                                         current_value[j], set_value[j], reset_value[j]);
 539                         }
 540                         ptext("\n\nHit 'R' to repeat test.  'S' to sort results: ");
 541                         i = wait_here();
 542                         if (i == 's' || i == 'S') {     /* print the same stuff,
 543                                                            sorted by
 544                                                            current_value */
 545                                 put_crlf();
 546                                 for (i = '1'; i <= '4'; i++) {
 547                                         for (j = 0; j < modes_found; j++) {
 548                                                 if (current_value[j] == i)
 549                                                         mode_display(puc[mode_puc[j]],
 550                                                                 mode_number[j], current_value[j],
 551                                                                 set_value[j], reset_value[j]);
 552                                         }
 553                                 }
 554                                 ptext("\n\nHit 'R' to repeat test: ");
 555                                 i = wait_here();
 556                         }
 557                         if (i != 'r' && i != 'R')
 558                                 break;
 559                         tty_raw(1, char_mask);
 560                 }
 561         } else {
 562                 tty_set();
 563         }
 564 }
 565
 566
 567 /*
 568 **      ansi_report_help()
 569 **
 570 **      Display the informational data for the ANSI report test.
 571 */
 572 static void
 573 ansi_report_help(void)
 574 {
 575         ptext("Begin ANSI status report testing. ");
 576         ptext(" Parity bit set will be displayed in reverse video. ");
 577         ptext(" If the terminal hangs, hit any alphabetic key. ");
 578         ptextln(" Use n to continue testing.  Use q to quit.");
 579         put_crlf();
 580 }
 581
 582 /*
 583 **      test_ansi_reports()
 584 **
 585 **      Test the ANSI status report functions
 586 */
 587 void
 588 tools_status(
 589         struct test_list *t GCC_UNUSED,
 590         int *state GCC_UNUSED,
 591         int *ch)
 592 {
 593         int i;
 594
 595         put_clear();
 596         ansi_report_help();
 597         tty_raw(1, char_mask);
 598
 599         do {
 600                 i = read_reports();
 601                 if (i != 'r' && i != 'R') {
 602                         *ch = i;
 603                         return;
 604                 }
 605         } while (i);
 606
 607         if (terminal_class >= 63) {
 608                 do {
 609                         i = request_cfss();
 610                 } while (i == 'r' || i == 'R');
 611                 *ch = i;
 612                 terminal_state();
 613         } else {
 614                 tty_set();
 615         }
 616 }
 617
 618
 619 /*
 620 **      display_sgr()
 621 **
 622 **      Test a range of ANSI sgr attributes
 623 **      puc -> Private Use Character
 624 */
 625 static void
 626 display_sgr(int puc)
 627 {
 628         int k;
 629
 630         temp[0] = puc;
 631         temp[1] = '\0';
 632         for (k = 0; k < 80; k++) {
 633                 if (char_count + 8 > 80)
 634                         put_crlf();
 635                 else if (char_count + 8 > columns)
 636                         put_crlf();
 637                 else if (k > 0)
 638                         printf(" ");
 639                 printf("\033[%s%dmMode %2d\033[0m", temp, k, k);
 640                 char_count += 8;
 641                 if (puc == '\0') {
 642                         if (k == 19)
 643                                 printf("\033[10m");
 644                         if (k == 39)
 645                                 printf("\033[37m");
 646                         if (k == 49)
 647                                 printf("\033[40m");
 648                 }
 649         }
 650         put_crlf();
 651         if (puc == '<')
 652                 printf("\033[<1m");
 653         else if (puc)
 654                 printf("\033[%s0m", temp);
 655         set_attr(0);
 656 }
 657
 658 /*
 659 **      print_sgr20(on, off)
 660 **
 661 **      print the sgr line for sgr20()
 662 */
 663 static void
 664 print_sgr20(int on, int off)
 665 {
 666         if (char_count > columns - 13) {
 667                 put_crlf();
 668         } else if (char_count) {
 669                 put_str("  ");
 670         }
 671         char_count += 11;
 672         printf("%d/%d \033[%dmon\033[%dm off\033[0m", on, off, on, off);
 673 }
 674
 675 /*
 676 **      sgr20(void)
 677 **
 678 **      display the enter/exit attributes 1-9 and 20-29
 679 */
 680 static void
 681 sgr20(void)
 682 {
 683         int k;
 684
 685         put_crlf();
 686         ptextln("Test enter/exit attributes 1-9 and 21-29.");
 687         for (k = 1; k < 10; k++) {
 688                 print_sgr20(k, k + 20);
 689         }
 690         print_sgr20(1, 22);     /* bold */
 691         print_sgr20(2, 22);     /* dim */
 692         print_sgr20(8, 22);     /* blank */
 693         printf("\033[0m");
 694         set_attr(0);
 695 }
 696
 697 /*
 698 **      tools_sgr(testlist, state, ch)
 699 **
 700 **      Run the ANSI graphics rendition mode tool
 701 **      Return the last character typed.
 702 */
 703 void
 704 tools_sgr(
 705         struct test_list *t GCC_UNUSED,
 706         int *state GCC_UNUSED,
 707         int *ch)
 708 {
 709         int k;
 710
 711         put_clear();
 712         for (k = 0;;) {
 713                 display_sgr(k);
 714                 put_crlf();
 715                 menu_prompt();
 716                 ptext("/sgr Enter =><?r [<cr>] > ");
 717                 k = wait_here();
 718                 if ((k == 'r') || (k == 'R')) {
 719                         k = 0;
 720                 } else if ((k < '<') || (k > '?')) {
 721                         break;
 722                 }
 723         }
 724         sgr20();
 725
 726         put_newlines(2);
 727         *ch = REQUEST_PROMPT;
 728 }
 729
 730 /*****************************************************************************
 731  *
 732  * Test ANSI graphics
 733  *
 734  *****************************************************************************/
 735 /*
 736 **      select_bank(bank)
 737 **
 738 **      select a graphics character set for ANSI terminals
 739 */
 740 static void
 741 select_bank(char *bank)
 742 {
 743         tc_putp(bank);
 744         switch (bank[1] & 3) {
 745         case 0:
 746                 putchp('O' & 0x1f);     /* control O */
 747                 break;
 748         case 1:
 749                 putchp('N' & 0x1f);     /* control N */
 750                 tc_putp("\033~");
 751                 break;
 752         case 2:
 753                 tc_putp("\033n\033}");
 754                 break;
 755         case 3:
 756                 tc_putp("\033o\033|");
 757                 break;
 758         }
 759 }
 760
 761 /*
 762 **      show_characters(bank, bias)
 763 **
 764 **      print the ANSI graphics characters
 765 */
 766 static void
 767 show_characters(char *bank, int bias)
 768 {
 769         int i;
 770
 771         sprintf(temp, "G%d GL   ", bank[1] & 3);
 772         ptext(temp);
 773         select_bank(bank);
 774         for (i = ' '; i < 0x80; i++) {
 775                 if (char_count >= columns ||
 776                         (i != ' ' && (i & 31) == 0))
 777                         put_str("\n        ");
 778                 putchp(i + bias);
 779         }
 780         select_bank(default_bank);
 781         put_str("   DEL <");
 782         select_bank(bank);
 783         putchp(0x7f + bias);
 784         select_bank(default_bank);
 785         putchp('>');
 786         put_crlf();
 787         put_crlf();
 788 }
 789
 790
 791 /* ANSI graphics test
 792         94     96   character sets
 793    G0   (      ,
 794    G1   )      -
 795    G2   *      .
 796    G3   +      /
 797
 798 Standard Definitions
 799    A    UK
 800    B    US ASCII
 801
 802 Dec extended definitions
 803    0    Special graphics
 804
 805  */
 806
 807 /*
 808 **      tools_charset(testlist, state, ch)
 809 **
 810 **      Run the ANSI alt-charset mode tool
 811 */
 812 void
 813 tools_charset(
 814         struct test_list *t GCC_UNUSED,
 815         int *state GCC_UNUSED,
 816         int *chp GCC_UNUSED)
 817 {
 818         int j, ch;
 819         char bank[32];
 820
 821         put_clear();
 822         ptext("Enter the bank ()*+,-./ followed by the character set");
 823         ptext(" 0123456789:;<=>? for private use, and");
 824         ptextln(" @A...Z[\\]^_`a...z{|}~ for standard sets.");
 825         strcpy(bank, "\033)0");
 826         for (; bank[0];) {
 827                 put_crlf();
 828                 show_characters(bank, 0);
 829
 830                 /* G0 will not print in GR */
 831                 if (bank[1] & 3) {
 832                         show_characters(bank, 0x80);
 833                 }
 834                 ptext("bank+set> ");
 835                 for (j = 1; (ch = getchp(char_mask)); j++) {
 836                         if (ch == EOF)
 837                                 break;
 838                         putchp(ch);
 839                         if (j == 1 && ch > '/')
 840                                 j++;
 841                         bank[j] = ch;
 842                         if (ch < ' ' || ch > '/')
 843                                 break;
 844                         if (j + 1 >= (int) sizeof(bank))
 845                                 break;
 846                 }
 847                 if (j == 1)
 848                         break;
 849                 if (bank[j] < '0' || bank[j] > '~')
 850                         break;
 851                 bank[j + 1] = '\0';
 852         }
 853         put_crlf();
 854 }