1 /* @(#)ttgeneric.c 8.1 (Berkeley) 6/6/93 */
2 /* $NetBSD: ttgeneric.c,v 1.10 2009/04/14 08:50:06 lukem Exp $ */
5 * Copyright (c) 1983, 1993
6 * The Regents of the University of California. All rights reserved.
8 * This code is derived from software contributed to Berkeley by
9 * Edward Wang at The University of California, Berkeley.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 short gen_frame[16] = {
53 /* ANSI graphics frame */
54 #define G (WWM_GRP << WWC_MSHIFT)
55 short ansi_frame[16] = {
56 ' ', 'x'|G, 'Q'|G, 'm'|G,
57 'x'|G, 'x'|G, 'l'|G, 't'|G,
58 'q'|G, 'j'|G, 'q'|G, 'v'|G,
59 'k'|G, 'u'|G, 'w'|G, 'n'|G
61 struct tt_str ansi_AS = {
65 struct tt_str *gen_PC;
66 struct tt_str *gen_CM;
67 struct tt_str *gen_IM;
68 struct tt_str *gen_IC;
69 struct tt_str *gen_ICn;
70 struct tt_str *gen_IP;
71 struct tt_str *gen_EI;
72 struct tt_str *gen_DC;
73 struct tt_str *gen_DCn;
74 struct tt_str *gen_AL;
75 struct tt_str *gen_ALn;
76 struct tt_str *gen_DL;
77 struct tt_str *gen_DLn;
78 struct tt_str *gen_CE;
79 struct tt_str *gen_CD;
80 struct tt_str *gen_CL;
81 struct tt_str *gen_VS;
82 struct tt_str *gen_VE;
83 struct tt_str *gen_TI;
84 struct tt_str *gen_TE;
85 struct tt_str *gen_SO;
86 struct tt_str *gen_SE;
87 struct tt_str *gen_US;
88 struct tt_str *gen_UE;
89 struct tt_str *gen_LE;
90 struct tt_str *gen_ND;
91 struct tt_str *gen_UP;
92 struct tt_str *gen_DO;
93 struct tt_str *gen_BC;
94 struct tt_str *gen_NL;
95 struct tt_str *gen_CR;
96 struct tt_str *gen_HO;
97 struct tt_str *gen_AS;
98 struct tt_str *gen_AE;
99 struct tt_str *gen_XS;
100 struct tt_str *gen_XE;
101 struct tt_str *gen_SF;
102 struct tt_str *gen_SFn;
103 struct tt_str *gen_SR;
104 struct tt_str *gen_SRn;
105 struct tt_str *gen_CS;
120 void gen_clear(void);
121 void gen_clreol(void);
122 void gen_clreos(void);
123 void gen_delchar(int);
124 void gen_delline(int);
126 void gen_inschar(char);
127 void gen_insline(int);
128 void gen_insspace(int);
129 void gen_move(int, int);
131 void gen_scroll_down(int);
132 void gen_scroll_up(int);
133 void gen_setinsert(char);
134 void gen_setmodes(int);
135 void gen_setscroll(int, int);
136 void gen_start(void);
137 void gen_write(const char *, int);
140 gen_setinsert(char new)
152 gen_setmodes(int new)
156 diff = new ^ tt.tt_modes;
157 if (diff & WWM_REV) {
164 if (gen_UE && gen_US && new & WWM_UL &&
165 !strcmp(gen_SE->ts_str, gen_UE->ts_str))
176 if (gen_SE && gen_SO && new & WWM_REV &&
177 !strcmp(gen_UE->ts_str, gen_SE->ts_str))
181 if (diff & WWM_GRP) {
189 if (diff & WWM_USR) {
203 if (tt.tt_modes) /* for concept 100 */
206 ttpgoto(gen_ALn, 0, n, gen_LI - tt.tt_row);
209 tttputs(gen_AL, gen_LI - tt.tt_row);
215 if (tt.tt_modes) /* for concept 100 */
218 ttpgoto(gen_DLn, 0, n, gen_LI - tt.tt_row);
221 tttputs(gen_DL, gen_LI - tt.tt_row);
229 if (tt.tt_nmodes != tt.tt_modes)
230 gen_setmodes(tt.tt_nmodes);
232 if (++tt.tt_col == gen_CO) {
234 tt.tt_col = tt.tt_row = -10;
236 tt.tt_col = 0, tt.tt_row++;
243 gen_write(const char *p, int n)
247 if (tt.tt_nmodes != tt.tt_modes)
248 gen_setmodes(tt.tt_nmodes);
251 if (tt.tt_col == gen_CO) {
253 tt.tt_col = tt.tt_row = -10;
255 tt.tt_col = 0, tt.tt_row++;
262 gen_move(int row, int col)
264 if (tt.tt_row == row && tt.tt_col == col)
266 if (!gen_MI && tt.tt_insert)
268 if (!gen_MS && tt.tt_modes)
270 if (row < tt.tt_scroll_top || row > tt.tt_scroll_bot)
271 gen_setscroll(0, tt.tt_nrow - 1);
272 if (tt.tt_row == row) {
277 if (tt.tt_col == col - 1) {
282 } else if (tt.tt_col == col + 1) {
289 if (tt.tt_col == col) {
290 if (tt.tt_row == row + 1) {
295 } else if (tt.tt_row == row - 1) {
300 if (gen_HO && col == 0 && row == 0) {
304 tttgoto(gen_CM, col, row);
318 tt.tt_col = tt.tt_row = 0;
320 tt.tt_nmodes = tt.tt_modes = 0;
337 if (tt.tt_modes) /* for concept 100 */
339 tttputs(gen_CE, gen_CO - tt.tt_col);
345 if (tt.tt_modes) /* for concept 100 */
347 tttputs(gen_CD, gen_LI - tt.tt_row);
353 if (tt.tt_modes) /* for concept 100 */
363 if (tt.tt_nmodes != tt.tt_modes)
364 gen_setmodes(tt.tt_nmodes);
366 tttputs(gen_IC, gen_CO - tt.tt_col);
369 tttputs(gen_IP, gen_CO - tt.tt_col);
370 if (++tt.tt_col == gen_CO) {
372 tt.tt_col = tt.tt_row = -10;
374 tt.tt_col = 0, tt.tt_row++;
384 ttpgoto(gen_ICn, 0, n, gen_CO - tt.tt_col);
387 tttputs(gen_IC, gen_CO - tt.tt_col);
394 ttpgoto(gen_DCn, 0, n, gen_CO - tt.tt_col);
397 tttputs(gen_DC, gen_CO - tt.tt_col);
401 gen_scroll_down(int n)
403 gen_move(tt.tt_scroll_bot, 0);
405 ttpgoto(gen_SFn, 0, n, n);
414 gen_move(tt.tt_scroll_top, 0);
416 ttpgoto(gen_SRn, 0, n, n);
423 gen_setscroll(int top, int bot)
425 tttgoto(gen_CS, bot, top);
426 tt.tt_scroll_top = top;
427 tt.tt_scroll_bot = bot;
428 tt.tt_row = tt.tt_col = -10;
434 gen_PC = tttgetstr("pc");
435 PC = gen_PC ? *gen_PC->ts_str : 0;
438 gen_CM = ttxgetstr("cm"); /* may not work */
439 gen_IM = ttxgetstr("im");
440 gen_IC = tttgetstr("ic");
441 gen_ICn = tttgetstr("IC");
442 gen_IP = tttgetstr("ip");
443 gen_EI = ttxgetstr("ei");
444 gen_DC = tttgetstr("dc");
445 gen_DCn = tttgetstr("DC");
446 gen_AL = tttgetstr("al");
447 gen_ALn = tttgetstr("AL");
448 gen_DL = tttgetstr("dl");
449 gen_DLn = tttgetstr("DL");
450 gen_CE = tttgetstr("ce");
451 gen_CD = tttgetstr("cd");
452 gen_CL = ttxgetstr("cl");
453 gen_VS = ttxgetstr("vs");
454 gen_VE = ttxgetstr("ve");
455 gen_TI = ttxgetstr("ti");
456 gen_TE = ttxgetstr("te");
457 gen_SO = ttxgetstr("so");
458 gen_SE = ttxgetstr("se");
459 gen_US = ttxgetstr("us");
460 gen_UE = ttxgetstr("ue");
461 gen_LE = ttxgetstr("le");
462 gen_ND = ttxgetstr("nd");
463 gen_UP = ttxgetstr("up");
464 gen_DO = ttxgetstr("do");
465 gen_BC = ttxgetstr("bc");
466 gen_NL = ttxgetstr("nl");
467 gen_CR = ttxgetstr("cr");
468 gen_HO = ttxgetstr("ho");
469 gen_AS = ttxgetstr("as");
470 gen_AE = ttxgetstr("ae");
471 gen_XS = ttxgetstr("XS");
472 gen_XE = ttxgetstr("XE");
473 gen_SF = ttxgetstr("sf");
474 gen_SFn = ttxgetstr("SF");
475 gen_SR = ttxgetstr("sr");
476 gen_SRn = ttxgetstr("SR");
477 gen_CS = ttxgetstr("cs");
478 gen_MI = tgetflag("mi");
479 gen_MS = tgetflag("ms");
480 gen_AM = tgetflag("am");
481 gen_OS = tgetflag("os");
482 gen_BS = tgetflag("bs");
483 gen_DA = tgetflag("da");
484 gen_DB = tgetflag("db");
485 gen_NS = tgetflag("ns");
486 gen_XN = tgetflag("xn");
487 gen_CO = tgetnum("co");
488 gen_LI = tgetnum("li");
489 gen_UG = tgetnum("ug");
490 gen_SG = tgetnum("sg");
491 if (gen_CL == NULL || gen_OS || gen_CM == NULL)
495 * Deal with obsolete termcap fields.
497 if (gen_LE == NULL) {
501 static struct tt_str bc = { "\b", 1 };
505 if (gen_NL == NULL) {
506 static struct tt_str nl = { "\n", 1 };
511 if (gen_CR == NULL) {
512 static struct tt_str cr = { "\r", 1 };
516 * Most terminal will scroll with "nl", but very few specify "sf".
517 * We shouldn't use "do" here.
519 if (gen_SF == NULL && !gen_NS)
521 BC = gen_LE ? __DECONST(char *, gen_LE->ts_str) : 0;
522 UP = gen_UP ? __DECONST(char *, gen_UP->ts_str) : 0;
524 * Fix up display attributes that we can't handle, or don't
529 if (gen_UG > 0 || (gen_US && gen_SO && ttstrcmp(gen_US, gen_SO) == 0))
532 if (gen_IM && gen_IM->ts_n == 0) {
533 free((char *) gen_IM);
536 if (gen_EI && gen_EI->ts_n == 0) {
537 free((char *) gen_EI);
540 if (gen_IC && gen_IC->ts_n == 0) {
541 free((char *) gen_IC);
545 tt.tt_inschar = gen_inschar;
547 tt.tt_insspace = gen_insspace;
549 tt.tt_delchar = gen_delchar;
551 tt.tt_insline = gen_insline;
553 tt.tt_delline = gen_delline;
555 tt.tt_clreol = gen_clreol;
557 tt.tt_clreos = gen_clreos;
559 tt.tt_scroll_down = gen_scroll_down;
561 * Don't allow scroll_up if da or db but not cs.
562 * See comment in wwscroll.c.
564 if (gen_SR && (gen_CS || (!gen_DA && !gen_DB)))
565 tt.tt_scroll_up = gen_scroll_up;
567 tt.tt_setscroll = gen_setscroll;
569 tt.tt_availmodes |= WWM_REV;
571 tt.tt_availmodes |= WWM_UL;
573 tt.tt_availmodes |= WWM_GRP;
575 tt.tt_availmodes |= WWM_USR;
577 tt.tt_retain = gen_DB;
580 tt.tt_start = gen_start;
582 tt.tt_write = gen_write;
583 tt.tt_putc = gen_putc;
584 tt.tt_move = gen_move;
585 tt.tt_clear = gen_clear;
586 tt.tt_setmodes = gen_setmodes;
587 tt.tt_frame = gen_AS && ttstrcmp(gen_AS, &ansi_AS) == 0 ?
588 ansi_frame : gen_frame;