2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Edward Wang at The University of California, Berkeley.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 static char sccsid[] = "@(#)ttgeneric.c 8.1 (Berkeley) 6/6/93";
39 static char rcsid[] = "@(#)$FreeBSD$";
48 short gen_frame[16] = {
55 /* ANSI graphics frame */
56 #define G (WWM_GRP << WWC_MSHIFT)
57 short ansi_frame[16] = {
58 ' ', 'x'|G, 'Q'|G, 'm'|G,
59 'x'|G, 'x'|G, 'l'|G, 't'|G,
60 'q'|G, 'j'|G, 'q'|G, 'v'|G,
61 'k'|G, 'u'|G, 'w'|G, 'n'|G
63 struct tt_str ansi_AS = {
67 struct tt_str *gen_PC;
68 struct tt_str *gen_CM;
69 struct tt_str *gen_IM;
70 struct tt_str *gen_IC;
71 struct tt_str *gen_ICn;
72 struct tt_str *gen_IP;
73 struct tt_str *gen_EI;
74 struct tt_str *gen_DC;
75 struct tt_str *gen_DCn;
76 struct tt_str *gen_AL;
77 struct tt_str *gen_ALn;
78 struct tt_str *gen_DL;
79 struct tt_str *gen_DLn;
80 struct tt_str *gen_CE;
81 struct tt_str *gen_CD;
82 struct tt_str *gen_CL;
83 struct tt_str *gen_VS;
84 struct tt_str *gen_VE;
85 struct tt_str *gen_TI;
86 struct tt_str *gen_TE;
87 struct tt_str *gen_SO;
88 struct tt_str *gen_SE;
89 struct tt_str *gen_US;
90 struct tt_str *gen_UE;
91 struct tt_str *gen_LE;
92 struct tt_str *gen_ND;
93 struct tt_str *gen_UP;
94 struct tt_str *gen_DO;
95 struct tt_str *gen_BC;
96 struct tt_str *gen_NL;
97 struct tt_str *gen_CR;
98 struct tt_str *gen_HO;
99 struct tt_str *gen_AS;
100 struct tt_str *gen_AE;
101 struct tt_str *gen_XS;
102 struct tt_str *gen_XE;
103 struct tt_str *gen_SF;
104 struct tt_str *gen_SFn;
105 struct tt_str *gen_SR;
106 struct tt_str *gen_SRn;
107 struct tt_str *gen_CS;
139 diff = new ^ tt.tt_modes;
140 if (diff & WWM_REV) {
156 if (diff & WWM_GRP) {
164 if (diff & WWM_USR) {
177 if (tt.tt_modes) /* for concept 100 */
180 ttpgoto(gen_ALn, 0, n, gen_LI - tt.tt_row);
183 tttputs(gen_AL, gen_LI - tt.tt_row);
188 if (tt.tt_modes) /* for concept 100 */
191 ttpgoto(gen_DLn, 0, n, gen_LI - tt.tt_row);
194 tttputs(gen_DL, gen_LI - tt.tt_row);
202 if (tt.tt_nmodes != tt.tt_modes)
203 gen_setmodes(tt.tt_nmodes);
205 if (++tt.tt_col == gen_CO)
207 tt.tt_col = tt.tt_row = -10;
209 tt.tt_col = 0, tt.tt_row++;
220 if (tt.tt_nmodes != tt.tt_modes)
221 gen_setmodes(tt.tt_nmodes);
224 if (tt.tt_col == gen_CO)
226 tt.tt_col = tt.tt_row = -10;
228 tt.tt_col = 0, tt.tt_row++;
234 register int row, col;
236 if (tt.tt_row == row && tt.tt_col == col)
238 if (!gen_MI && tt.tt_insert)
240 if (!gen_MS && tt.tt_modes)
242 if (row < tt.tt_scroll_top || row > tt.tt_scroll_bot)
243 gen_setscroll(0, tt.tt_nrow - 1);
244 if (tt.tt_row == row) {
249 if (tt.tt_col == col - 1) {
254 } else if (tt.tt_col == col + 1) {
261 if (tt.tt_col == col) {
262 if (tt.tt_row == row + 1) {
267 } else if (tt.tt_row == row - 1) {
272 if (gen_HO && col == 0 && row == 0) {
276 tttgoto(gen_CM, col, row);
289 tt.tt_col = tt.tt_row = 0;
291 tt.tt_nmodes = tt.tt_modes = 0;
306 if (tt.tt_modes) /* for concept 100 */
308 tttputs(gen_CE, gen_CO - tt.tt_col);
313 if (tt.tt_modes) /* for concept 100 */
315 tttputs(gen_CD, gen_LI - tt.tt_row);
320 if (tt.tt_modes) /* for concept 100 */
330 if (tt.tt_nmodes != tt.tt_modes)
331 gen_setmodes(tt.tt_nmodes);
333 tttputs(gen_IC, gen_CO - tt.tt_col);
336 tttputs(gen_IP, gen_CO - tt.tt_col);
337 if (++tt.tt_col == gen_CO)
339 tt.tt_col = tt.tt_row = -10;
341 tt.tt_col = 0, tt.tt_row++;
349 ttpgoto(gen_ICn, 0, n, gen_CO - tt.tt_col);
352 tttputs(gen_IC, gen_CO - tt.tt_col);
358 ttpgoto(gen_DCn, 0, n, gen_CO - tt.tt_col);
361 tttputs(gen_DC, gen_CO - tt.tt_col);
366 gen_move(tt.tt_scroll_bot, 0);
368 ttpgoto(gen_SFn, 0, n, n);
376 gen_move(tt.tt_scroll_top, 0);
378 ttpgoto(gen_SRn, 0, n, n);
384 gen_setscroll(top, bot)
386 tttgoto(gen_CS, bot, top);
387 tt.tt_scroll_top = top;
388 tt.tt_scroll_bot = bot;
389 tt.tt_row = tt.tt_col = -10;
394 gen_PC = tttgetstr("pc");
395 PC = gen_PC ? *gen_PC->ts_str : 0;
397 gen_CM = ttxgetstr("cm"); /* may not work */
398 gen_IM = ttxgetstr("im");
399 gen_IC = tttgetstr("ic");
400 gen_ICn = tttgetstr("IC");
401 gen_IP = tttgetstr("ip");
402 gen_EI = ttxgetstr("ei");
403 gen_DC = tttgetstr("dc");
404 gen_DCn = tttgetstr("DC");
405 gen_AL = tttgetstr("al");
406 gen_ALn = tttgetstr("AL");
407 gen_DL = tttgetstr("dl");
408 gen_DLn = tttgetstr("DL");
409 gen_CE = tttgetstr("ce");
410 gen_CD = tttgetstr("cd");
411 gen_CL = ttxgetstr("cl");
412 gen_VS = ttxgetstr("vs");
413 gen_VE = ttxgetstr("ve");
414 gen_TI = ttxgetstr("ti");
415 gen_TE = ttxgetstr("te");
416 gen_SO = ttxgetstr("so");
417 gen_SE = ttxgetstr("se");
418 gen_US = ttxgetstr("us");
419 gen_UE = ttxgetstr("ue");
420 gen_LE = ttxgetstr("le");
421 gen_ND = ttxgetstr("nd");
422 gen_UP = ttxgetstr("up");
423 gen_DO = ttxgetstr("do");
424 gen_BC = ttxgetstr("bc");
425 gen_NL = ttxgetstr("nl");
426 gen_CR = ttxgetstr("cr");
427 gen_HO = ttxgetstr("ho");
428 gen_AS = ttxgetstr("as");
429 gen_AE = ttxgetstr("ae");
430 gen_XS = ttxgetstr("XS");
431 gen_XE = ttxgetstr("XE");
432 gen_SF = ttxgetstr("sf");
433 gen_SFn = ttxgetstr("SF");
434 gen_SR = ttxgetstr("sr");
435 gen_SRn = ttxgetstr("SR");
436 gen_CS = ttxgetstr("cs");
437 gen_MI = tgetflag("mi");
438 gen_MS = tgetflag("ms");
439 gen_AM = tgetflag("am");
440 gen_OS = tgetflag("os");
441 gen_BS = tgetflag("bs");
442 gen_DA = tgetflag("da");
443 gen_DB = tgetflag("db");
444 gen_NS = tgetflag("ns");
445 gen_XN = tgetflag("xn");
446 gen_CO = tgetnum("co");
447 gen_LI = tgetnum("li");
448 gen_UG = tgetnum("ug");
449 gen_SG = tgetnum("sg");
450 if (gen_CL == 0 || gen_OS || gen_CM == 0)
454 * Deal with obsolete termcap fields.
460 static struct tt_str bc = { "\b", 1 };
464 static struct tt_str nl = { "\n", 1 };
470 static struct tt_str cr = { "\r", 1 };
474 * Most terminal will scroll with "nl", but very few specify "sf".
475 * We shouldn't use "do" here.
477 if (gen_SF == 0 && !gen_NS)
479 BC = gen_LE ? gen_LE->ts_str : 0;
480 UP = gen_UP ? gen_UP->ts_str : 0;
482 * Fix up display attributes that we can't handle, or don't
487 if (gen_UG > 0 || gen_US && gen_SO && ttstrcmp(gen_US, gen_SO) == 0)
490 if (gen_IM && gen_IM->ts_n == 0) {
491 free((char *) gen_IM);
494 if (gen_EI && gen_EI->ts_n == 0) {
495 free((char *) gen_EI);
498 if (gen_IC && gen_IC->ts_n == 0) {
499 free((char *) gen_IC);
503 tt.tt_inschar = gen_inschar;
505 tt.tt_insspace = gen_insspace;
507 tt.tt_delchar = gen_delchar;
509 tt.tt_insline = gen_insline;
511 tt.tt_delline = gen_delline;
513 tt.tt_clreol = gen_clreol;
515 tt.tt_clreos = gen_clreos;
517 tt.tt_scroll_down = gen_scroll_down;
519 * Don't allow scroll_up if da or db but not cs.
520 * See comment in wwscroll.c.
522 if (gen_SR && (gen_CS || !gen_DA && !gen_DB))
523 tt.tt_scroll_up = gen_scroll_up;
525 tt.tt_setscroll = gen_setscroll;
527 tt.tt_availmodes |= WWM_REV;
529 tt.tt_availmodes |= WWM_UL;
531 tt.tt_availmodes |= WWM_GRP;
533 tt.tt_availmodes |= WWM_USR;
535 tt.tt_retain = gen_DB;
538 tt.tt_start = gen_start;
540 tt.tt_write = gen_write;
541 tt.tt_putc = gen_putc;
542 tt.tt_move = gen_move;
543 tt.tt_clear = gen_clear;
544 tt.tt_setmodes = gen_setmodes;
545 tt.tt_frame = gen_AS && ttstrcmp(gen_AS, &ansi_AS) == 0 ?
546 ansi_frame : gen_frame;