550 lines
12 KiB
C
550 lines
12 KiB
C
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/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Edward Wang at The University of California, Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)ttgeneric.c 8.1 (Berkeley) 6/6/93";
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#endif /* not lint */
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#include "ww.h"
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#include "tt.h"
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char PC, *BC, *UP;
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short ospeed;
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/* normal frame */
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short gen_frame[16] = {
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' ', '|', '-', '+',
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'|', '|', '+', '+',
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'-', '+', '-', '+',
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'+', '+', '+', '+'
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};
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/* ANSI graphics frame */
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#define G (WWM_GRP << WWC_MSHIFT)
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short ansi_frame[16] = {
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' ', 'x'|G, 'Q'|G, 'm'|G,
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'x'|G, 'x'|G, 'l'|G, 't'|G,
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'q'|G, 'j'|G, 'q'|G, 'v'|G,
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'k'|G, 'u'|G, 'w'|G, 'n'|G
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};
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struct tt_str ansi_AS = {
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"\033(0", 3
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};
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struct tt_str *gen_PC;
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struct tt_str *gen_CM;
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struct tt_str *gen_IM;
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struct tt_str *gen_IC;
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struct tt_str *gen_ICn;
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struct tt_str *gen_IP;
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struct tt_str *gen_EI;
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struct tt_str *gen_DC;
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struct tt_str *gen_DCn;
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struct tt_str *gen_AL;
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struct tt_str *gen_ALn;
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struct tt_str *gen_DL;
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struct tt_str *gen_DLn;
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struct tt_str *gen_CE;
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struct tt_str *gen_CD;
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struct tt_str *gen_CL;
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struct tt_str *gen_VS;
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struct tt_str *gen_VE;
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struct tt_str *gen_TI;
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struct tt_str *gen_TE;
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struct tt_str *gen_SO;
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struct tt_str *gen_SE;
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struct tt_str *gen_US;
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struct tt_str *gen_UE;
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struct tt_str *gen_LE;
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struct tt_str *gen_ND;
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struct tt_str *gen_UP;
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struct tt_str *gen_DO;
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struct tt_str *gen_BC;
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struct tt_str *gen_NL;
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struct tt_str *gen_CR;
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struct tt_str *gen_HO;
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struct tt_str *gen_AS;
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struct tt_str *gen_AE;
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struct tt_str *gen_XS;
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struct tt_str *gen_XE;
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struct tt_str *gen_SF;
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struct tt_str *gen_SFn;
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struct tt_str *gen_SR;
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struct tt_str *gen_SRn;
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struct tt_str *gen_CS;
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char gen_MI;
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char gen_MS;
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char gen_AM;
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char gen_OS;
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char gen_BS;
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char gen_DA;
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char gen_DB;
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char gen_NS;
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char gen_XN;
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int gen_CO;
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int gen_LI;
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int gen_UG;
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int gen_SG;
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gen_setinsert(new)
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char new;
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{
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if (new) {
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if (gen_IM)
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ttxputs(gen_IM);
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} else
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if (gen_EI)
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ttxputs(gen_EI);
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tt.tt_insert = new;
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}
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gen_setmodes(new)
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register new;
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{
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register diff;
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diff = new ^ tt.tt_modes;
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if (diff & WWM_REV) {
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if (new & WWM_REV) {
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if (gen_SO)
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ttxputs(gen_SO);
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} else
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if (gen_SE)
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ttxputs(gen_SE);
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}
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if (diff & WWM_UL) {
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if (new & WWM_UL) {
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if (gen_US)
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ttxputs(gen_US);
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} else
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if (gen_UE)
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ttxputs(gen_UE);
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}
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if (diff & WWM_GRP) {
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if (new & WWM_GRP) {
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if (gen_AS)
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ttxputs(gen_AS);
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} else
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if (gen_AE)
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ttxputs(gen_AE);
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}
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if (diff & WWM_USR) {
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if (new & WWM_USR) {
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if (gen_XS)
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ttxputs(gen_XS);
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} else
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if (gen_XE)
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ttxputs(gen_XE);
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}
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tt.tt_modes = new;
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}
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gen_insline(n)
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{
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if (tt.tt_modes) /* for concept 100 */
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gen_setmodes(0);
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if (gen_ALn)
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ttpgoto(gen_ALn, 0, n, gen_LI - tt.tt_row);
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else
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while (--n >= 0)
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tttputs(gen_AL, gen_LI - tt.tt_row);
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}
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gen_delline(n)
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{
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if (tt.tt_modes) /* for concept 100 */
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gen_setmodes(0);
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if (gen_DLn)
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ttpgoto(gen_DLn, 0, n, gen_LI - tt.tt_row);
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else
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while (--n >= 0)
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tttputs(gen_DL, gen_LI - tt.tt_row);
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}
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gen_putc(c)
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register char c;
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{
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if (tt.tt_insert)
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gen_setinsert(0);
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if (tt.tt_nmodes != tt.tt_modes)
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gen_setmodes(tt.tt_nmodes);
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ttputc(c);
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if (++tt.tt_col == gen_CO)
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if (gen_XN)
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tt.tt_col = tt.tt_row = -10;
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else if (gen_AM)
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tt.tt_col = 0, tt.tt_row++;
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else
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tt.tt_col--;
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}
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gen_write(p, n)
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register char *p;
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register n;
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{
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if (tt.tt_insert)
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gen_setinsert(0);
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if (tt.tt_nmodes != tt.tt_modes)
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gen_setmodes(tt.tt_nmodes);
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ttwrite(p, n);
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tt.tt_col += n;
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if (tt.tt_col == gen_CO)
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if (gen_XN)
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tt.tt_col = tt.tt_row = -10;
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else if (gen_AM)
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tt.tt_col = 0, tt.tt_row++;
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else
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tt.tt_col--;
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}
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gen_move(row, col)
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register int row, col;
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{
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if (tt.tt_row == row && tt.tt_col == col)
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return;
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if (!gen_MI && tt.tt_insert)
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gen_setinsert(0);
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if (!gen_MS && tt.tt_modes)
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gen_setmodes(0);
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if (row < tt.tt_scroll_top || row > tt.tt_scroll_bot)
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gen_setscroll(0, tt.tt_nrow - 1);
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if (tt.tt_row == row) {
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if (col == 0) {
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ttxputs(gen_CR);
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goto out;
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}
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if (tt.tt_col == col - 1) {
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if (gen_ND) {
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ttxputs(gen_ND);
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goto out;
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}
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} else if (tt.tt_col == col + 1) {
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if (gen_LE) {
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ttxputs(gen_LE);
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goto out;
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}
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}
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}
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if (tt.tt_col == col) {
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if (tt.tt_row == row + 1) {
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if (gen_UP) {
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ttxputs(gen_UP);
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goto out;
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}
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} else if (tt.tt_row == row - 1) {
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ttxputs(gen_DO);
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goto out;
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}
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}
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if (gen_HO && col == 0 && row == 0) {
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ttxputs(gen_HO);
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goto out;
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}
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tttgoto(gen_CM, col, row);
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out:
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tt.tt_col = col;
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tt.tt_row = row;
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}
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gen_start()
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{
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if (gen_VS)
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ttxputs(gen_VS);
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if (gen_TI)
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ttxputs(gen_TI);
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ttxputs(gen_CL);
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tt.tt_col = tt.tt_row = 0;
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tt.tt_insert = 0;
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tt.tt_nmodes = tt.tt_modes = 0;
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}
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gen_end()
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{
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if (tt.tt_insert)
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gen_setinsert(0);
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if (gen_TE)
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ttxputs(gen_TE);
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if (gen_VE)
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ttxputs(gen_VE);
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}
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gen_clreol()
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{
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if (tt.tt_modes) /* for concept 100 */
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gen_setmodes(0);
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tttputs(gen_CE, gen_CO - tt.tt_col);
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}
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gen_clreos()
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{
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if (tt.tt_modes) /* for concept 100 */
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gen_setmodes(0);
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tttputs(gen_CD, gen_LI - tt.tt_row);
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}
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gen_clear()
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{
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if (tt.tt_modes) /* for concept 100 */
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gen_setmodes(0);
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ttxputs(gen_CL);
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}
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gen_inschar(c)
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register char c;
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{
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if (!tt.tt_insert)
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gen_setinsert(1);
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if (tt.tt_nmodes != tt.tt_modes)
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gen_setmodes(tt.tt_nmodes);
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if (gen_IC)
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tttputs(gen_IC, gen_CO - tt.tt_col);
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ttputc(c);
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if (gen_IP)
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tttputs(gen_IP, gen_CO - tt.tt_col);
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if (++tt.tt_col == gen_CO)
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if (gen_XN)
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tt.tt_col = tt.tt_row = -10;
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else if (gen_AM)
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tt.tt_col = 0, tt.tt_row++;
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else
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tt.tt_col--;
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}
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gen_insspace(n)
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{
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if (gen_ICn)
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ttpgoto(gen_ICn, 0, n, gen_CO - tt.tt_col);
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else
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while (--n >= 0)
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tttputs(gen_IC, gen_CO - tt.tt_col);
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}
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gen_delchar(n)
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{
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if (gen_DCn)
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ttpgoto(gen_DCn, 0, n, gen_CO - tt.tt_col);
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else
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while (--n >= 0)
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tttputs(gen_DC, gen_CO - tt.tt_col);
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}
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gen_scroll_down(n)
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{
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gen_move(tt.tt_scroll_bot, 0);
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if (gen_SFn)
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ttpgoto(gen_SFn, 0, n, n);
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else
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while (--n >= 0)
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ttxputs(gen_SF);
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}
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gen_scroll_up(n)
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{
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gen_move(tt.tt_scroll_top, 0);
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if (gen_SRn)
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ttpgoto(gen_SRn, 0, n, n);
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else
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while (--n >= 0)
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ttxputs(gen_SR);
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}
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||
|
|
gen_setscroll(top, bot)
|
||
|
|
{
|
||
|
|
tttgoto(gen_CS, bot, top);
|
||
|
|
tt.tt_scroll_top = top;
|
||
|
|
tt.tt_scroll_bot = bot;
|
||
|
|
tt.tt_row = tt.tt_col = -10;
|
||
|
|
}
|
||
|
|
|
||
|
|
tt_generic()
|
||
|
|
{
|
||
|
|
gen_PC = tttgetstr("pc");
|
||
|
|
PC = gen_PC ? *gen_PC->ts_str : 0;
|
||
|
|
ospeed = wwospeed;
|
||
|
|
|
||
|
|
gen_CM = ttxgetstr("cm"); /* may not work */
|
||
|
|
gen_IM = ttxgetstr("im");
|
||
|
|
gen_IC = tttgetstr("ic");
|
||
|
|
gen_ICn = tttgetstr("IC");
|
||
|
|
gen_IP = tttgetstr("ip");
|
||
|
|
gen_EI = ttxgetstr("ei");
|
||
|
|
gen_DC = tttgetstr("dc");
|
||
|
|
gen_DCn = tttgetstr("DC");
|
||
|
|
gen_AL = tttgetstr("al");
|
||
|
|
gen_ALn = tttgetstr("AL");
|
||
|
|
gen_DL = tttgetstr("dl");
|
||
|
|
gen_DLn = tttgetstr("DL");
|
||
|
|
gen_CE = tttgetstr("ce");
|
||
|
|
gen_CD = tttgetstr("cd");
|
||
|
|
gen_CL = ttxgetstr("cl");
|
||
|
|
gen_VS = ttxgetstr("vs");
|
||
|
|
gen_VE = ttxgetstr("ve");
|
||
|
|
gen_TI = ttxgetstr("ti");
|
||
|
|
gen_TE = ttxgetstr("te");
|
||
|
|
gen_SO = ttxgetstr("so");
|
||
|
|
gen_SE = ttxgetstr("se");
|
||
|
|
gen_US = ttxgetstr("us");
|
||
|
|
gen_UE = ttxgetstr("ue");
|
||
|
|
gen_LE = ttxgetstr("le");
|
||
|
|
gen_ND = ttxgetstr("nd");
|
||
|
|
gen_UP = ttxgetstr("up");
|
||
|
|
gen_DO = ttxgetstr("do");
|
||
|
|
gen_BC = ttxgetstr("bc");
|
||
|
|
gen_NL = ttxgetstr("nl");
|
||
|
|
gen_CR = ttxgetstr("cr");
|
||
|
|
gen_HO = ttxgetstr("ho");
|
||
|
|
gen_AS = ttxgetstr("as");
|
||
|
|
gen_AE = ttxgetstr("ae");
|
||
|
|
gen_XS = ttxgetstr("XS");
|
||
|
|
gen_XE = ttxgetstr("XE");
|
||
|
|
gen_SF = ttxgetstr("sf");
|
||
|
|
gen_SFn = ttxgetstr("SF");
|
||
|
|
gen_SR = ttxgetstr("sr");
|
||
|
|
gen_SRn = ttxgetstr("SR");
|
||
|
|
gen_CS = ttxgetstr("cs");
|
||
|
|
gen_MI = tgetflag("mi");
|
||
|
|
gen_MS = tgetflag("ms");
|
||
|
|
gen_AM = tgetflag("am");
|
||
|
|
gen_OS = tgetflag("os");
|
||
|
|
gen_BS = tgetflag("bs");
|
||
|
|
gen_DA = tgetflag("da");
|
||
|
|
gen_DB = tgetflag("db");
|
||
|
|
gen_NS = tgetflag("ns");
|
||
|
|
gen_XN = tgetflag("xn");
|
||
|
|
gen_CO = tgetnum("co");
|
||
|
|
gen_LI = tgetnum("li");
|
||
|
|
gen_UG = tgetnum("ug");
|
||
|
|
gen_SG = tgetnum("sg");
|
||
|
|
if (gen_CL == 0 || gen_OS || gen_CM == 0)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Deal with obsolete termcap fields.
|
||
|
|
*/
|
||
|
|
if (gen_LE == 0)
|
||
|
|
if (gen_BC)
|
||
|
|
gen_LE = gen_BC;
|
||
|
|
else if (gen_BS) {
|
||
|
|
static struct tt_str bc = { "\b", 1 };
|
||
|
|
gen_BC = &bc;
|
||
|
|
}
|
||
|
|
if (gen_NL == 0) {
|
||
|
|
static struct tt_str nl = { "\n", 1 };
|
||
|
|
gen_NL = &nl;
|
||
|
|
}
|
||
|
|
if (gen_DO == 0)
|
||
|
|
gen_DO = gen_NL;
|
||
|
|
if (gen_CR == 0) {
|
||
|
|
static struct tt_str cr = { "\r", 1 };
|
||
|
|
gen_CR = &cr;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
* Most terminal will scroll with "nl", but very few specify "sf".
|
||
|
|
* We shouldn't use "do" here.
|
||
|
|
*/
|
||
|
|
if (gen_SF == 0 && !gen_NS)
|
||
|
|
gen_SF = gen_NL;
|
||
|
|
BC = gen_LE ? gen_LE->ts_str : 0;
|
||
|
|
UP = gen_UP ? gen_UP->ts_str : 0;
|
||
|
|
/*
|
||
|
|
* Fix up display attributes that we can't handle, or don't
|
||
|
|
* really exist.
|
||
|
|
*/
|
||
|
|
if (gen_SG > 0)
|
||
|
|
gen_SO = 0;
|
||
|
|
if (gen_UG > 0 || gen_US && gen_SO && ttstrcmp(gen_US, gen_SO) == 0)
|
||
|
|
gen_US = 0;
|
||
|
|
|
||
|
|
if (gen_IM && gen_IM->ts_n == 0) {
|
||
|
|
free((char *) gen_IM);
|
||
|
|
gen_IM = 0;
|
||
|
|
}
|
||
|
|
if (gen_EI && gen_EI->ts_n == 0) {
|
||
|
|
free((char *) gen_EI);
|
||
|
|
gen_EI = 0;
|
||
|
|
}
|
||
|
|
if (gen_IC && gen_IC->ts_n == 0) {
|
||
|
|
free((char *) gen_IC);
|
||
|
|
gen_IC = 0;
|
||
|
|
}
|
||
|
|
if (gen_IM)
|
||
|
|
tt.tt_inschar = gen_inschar;
|
||
|
|
else if (gen_IC)
|
||
|
|
tt.tt_insspace = gen_insspace;
|
||
|
|
if (gen_DC)
|
||
|
|
tt.tt_delchar = gen_delchar;
|
||
|
|
if (gen_AL)
|
||
|
|
tt.tt_insline = gen_insline;
|
||
|
|
if (gen_DL)
|
||
|
|
tt.tt_delline = gen_delline;
|
||
|
|
if (gen_CE)
|
||
|
|
tt.tt_clreol = gen_clreol;
|
||
|
|
if (gen_CD)
|
||
|
|
tt.tt_clreos = gen_clreos;
|
||
|
|
if (gen_SF)
|
||
|
|
tt.tt_scroll_down = gen_scroll_down;
|
||
|
|
/*
|
||
|
|
* Don't allow scroll_up if da or db but not cs.
|
||
|
|
* See comment in wwscroll.c.
|
||
|
|
*/
|
||
|
|
if (gen_SR && (gen_CS || !gen_DA && !gen_DB))
|
||
|
|
tt.tt_scroll_up = gen_scroll_up;
|
||
|
|
if (gen_CS)
|
||
|
|
tt.tt_setscroll = gen_setscroll;
|
||
|
|
if (gen_SO)
|
||
|
|
tt.tt_availmodes |= WWM_REV;
|
||
|
|
if (gen_US)
|
||
|
|
tt.tt_availmodes |= WWM_UL;
|
||
|
|
if (gen_AS)
|
||
|
|
tt.tt_availmodes |= WWM_GRP;
|
||
|
|
if (gen_XS)
|
||
|
|
tt.tt_availmodes |= WWM_USR;
|
||
|
|
tt.tt_wrap = gen_AM;
|
||
|
|
tt.tt_retain = gen_DB;
|
||
|
|
tt.tt_ncol = gen_CO;
|
||
|
|
tt.tt_nrow = gen_LI;
|
||
|
|
tt.tt_start = gen_start;
|
||
|
|
tt.tt_end = gen_end;
|
||
|
|
tt.tt_write = gen_write;
|
||
|
|
tt.tt_putc = gen_putc;
|
||
|
|
tt.tt_move = gen_move;
|
||
|
|
tt.tt_clear = gen_clear;
|
||
|
|
tt.tt_setmodes = gen_setmodes;
|
||
|
|
tt.tt_frame = gen_AS && ttstrcmp(gen_AS, &ansi_AS) == 0 ?
|
||
|
|
ansi_frame : gen_frame;
|
||
|
|
return 0;
|
||
|
|
}
|