usr.bin/window/tth19.c

   1 /*      @(#)tth19.c     8.1 (Berkeley) 6/6/93   */
   2 /*      $NetBSD: tth19.c,v 1.7 2009/04/14 08:50:06 lukem Exp $  */
   3
   4 /*
   5  * Copyright (c) 1983, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * This code is derived from software contributed to Berkeley by
   9  * Edward Wang at The University of California, Berkeley.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  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.
  22  *
  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
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "ww.h"
  37 #include "tt.h"
  38 #include "char.h"
  39
  40 /*
  41 kb|h19|heath|h19-b|h19b|heathkit|heath-19|z19|zenith:
  42         cr=^M:nl=^J:bl=^G:al=1*\EL:am:le=^H:bs:cd=\EJ:ce=\EK:
  43         cl=\EE:cm=\EY%+ %+ :co#80:dc=\EN:dl=1*\EM:do=\EB:
  44         ei=\EO:ho=\EH:im=\E@:li#24:mi:nd=\EC:as=\EF:ae=\EG:ms:
  45         ta=^I:pt:sr=\EI:se=\Eq:so=\Ep:up=\EA:vs=\Ex4:ve=\Ey4:
  46         kb=^h:ku=\EA:kd=\EB:kl=\ED:kr=\EC:kh=\EH:
  47         kn#8:k1=\ES:k2=\ET:k3=\EU:k4=\EV:k5=\EW:
  48         l6=blue:l7=red:l8=white:k6=\EP:k7=\EQ:k8=\ER:
  49         es:hs:ts=\Ej\Ex5\Ex1\EY8%+ \Eo:fs=\Ek\Ey5:ds=\Ey1:
  50 */
  51
  52 #define NCOL    80
  53 #define NROW    24
  54
  55 #define G (WWM_GRP << WWC_MSHIFT)
  56 short h19_frame[16] = {
  57         ' ',    '`'|G,  'a'|G,  'e'|G,
  58         '`'|G,  '`'|G,  'f'|G,  'v'|G,
  59         'a'|G,  'd'|G,  'a'|G,  'u'|G,
  60         'c'|G,  't'|G,  's'|G,  'b'|G
  61 };
  62
  63 extern struct tt_str *gen_VS;
  64 extern struct tt_str *gen_VE;
  65
  66 int h19_msp10c;
  67
  68 #define PAD(ms10) { \
  69         int i; \
  70         for (i = ((ms10) + 5) / h19_msp10c; --i >= 0;) \
  71                 ttputc('\0'); \
  72 }
  73 #define ICPAD() PAD((NCOL - tt.tt_col) * 1)     /* 0.1 ms per char */
  74 #define ILPAD() PAD((NROW - tt.tt_row) * 10)    /* 1 ms per char */
  75
  76 #define H19_SETINSERT(m) ttesc((tt.tt_insert = (m)) ? '@' : 'O')
  77
  78 void    h19_clear(void);
  79 void    h19_clreol(void);
  80 void    h19_clreos(void);
  81 void    h19_delchar(int);
  82 void    h19_delline(int);
  83 void    h19_end(void);
  84 void    h19_inschar(char);
  85 void    h19_insline(int);
  86 void    h19_move(int, int);
  87 void    h19_putc(char);
  88 void    h19_scroll_up(int);
  89 void    h19_scroll_down(int);
  90 void    h19_setmodes(int);
  91 void    h19_start(void);
  92 void    h19_write(const char *, int);
  93
  94 void
  95 h19_setmodes(int new)
  96 {
  97         int diff;
  98
  99         diff = new ^ tt.tt_modes;
 100         if (diff & WWM_REV)
 101                 ttesc(new & WWM_REV ? 'p' : 'q');
 102         if (diff & WWM_GRP)
 103                 ttesc(new & WWM_REV ? 'F' : 'G');
 104         tt.tt_modes = new;
 105 }
 106
 107 void
 108 h19_insline(int n)
 109 {
 110         while (--n >= 0) {
 111                 ttesc('L');
 112                 ILPAD();
 113         }
 114 }
 115
 116 void
 117 h19_delline(int n)
 118 {
 119         while (--n >= 0) {
 120                 ttesc('M');
 121                 ILPAD();
 122         }
 123 }
 124
 125 void
 126 h19_putc(char c)
 127 {
 128         if (tt.tt_nmodes != tt.tt_modes)
 129                 (*tt.tt_setmodes)(tt.tt_nmodes);
 130         if (tt.tt_insert)
 131                 H19_SETINSERT(0);
 132         ttputc(c);
 133         if (++tt.tt_col == NCOL)
 134                 tt.tt_col = NCOL - 1;
 135 }
 136
 137 void
 138 h19_write(const char *p, int n)
 139 {
 140         if (tt.tt_nmodes != tt.tt_modes)
 141                 (*tt.tt_setmodes)(tt.tt_nmodes);
 142         if (tt.tt_insert)
 143                 H19_SETINSERT(0);
 144         ttwrite(p, n);
 145         tt.tt_col += n;
 146         if (tt.tt_col == NCOL)
 147                 tt.tt_col = NCOL - 1;
 148 }
 149
 150 void
 151 h19_move(int row, int col)
 152 {
 153         if (tt.tt_row == row) {
 154                 if (tt.tt_col == col)
 155                         return;
 156                 if (col == 0) {
 157                         ttctrl('m');
 158                         goto out;
 159                 }
 160                 if (tt.tt_col == col - 1) {
 161                         ttesc('C');
 162                         goto out;
 163                 }
 164                 if (tt.tt_col == col + 1) {
 165                         ttctrl('h');
 166                         goto out;
 167                 }
 168         }
 169         if (tt.tt_col == col) {
 170                 if (tt.tt_row == row + 1) {
 171                         ttesc('A');
 172                         goto out;
 173                 }
 174                 if (tt.tt_row == row - 1) {
 175                         ttctrl('j');
 176                         goto out;
 177                 }
 178         }
 179         if (col == 0 && row == 0) {
 180                 ttesc('H');
 181                 goto out;
 182         }
 183         ttesc('Y');
 184         ttputc(' ' + row);
 185         ttputc(' ' + col);
 186 out:
 187         tt.tt_col = col;
 188         tt.tt_row = row;
 189 }
 190
 191 void
 192 h19_start(void)
 193 {
 194         if (gen_VS)
 195                 ttxputs(gen_VS);
 196         ttesc('w');
 197         ttesc('E');
 198         tt.tt_col = tt.tt_row = 0;
 199         tt.tt_insert = 0;
 200         tt.tt_nmodes = tt.tt_modes = 0;
 201 }
 202
 203 void
 204 h19_end(void)
 205 {
 206         if (tt.tt_insert)
 207                 H19_SETINSERT(0);
 208         if (gen_VE)
 209                 ttxputs(gen_VE);
 210         ttesc('v');
 211 }
 212
 213 void
 214 h19_clreol(void)
 215 {
 216         ttesc('K');
 217 }
 218
 219 void
 220 h19_clreos(void)
 221 {
 222         ttesc('J');
 223 }
 224
 225 void
 226 h19_clear(void)
 227 {
 228         ttesc('E');
 229 }
 230
 231 void
 232 h19_inschar(char c)
 233 {
 234         if (tt.tt_nmodes != tt.tt_modes)
 235                 (*tt.tt_setmodes)(tt.tt_nmodes);
 236         if (!tt.tt_insert)
 237                 H19_SETINSERT(1);
 238         ttputc(c);
 239         if (tt.tt_insert)
 240                 ICPAD();
 241         if (++tt.tt_col == NCOL)
 242                 tt.tt_col = NCOL - 1;
 243 }
 244
 245 void
 246 h19_delchar(int n)
 247 {
 248         while (--n >= 0)
 249                 ttesc('N');
 250 }
 251
 252 void
 253 h19_scroll_down(int n)
 254 {
 255         h19_move(NROW - 1, 0);
 256         while (--n >= 0)
 257                 ttctrl('j');
 258 }
 259
 260 void
 261 h19_scroll_up(int n)
 262 {
 263         h19_move(0, 0);
 264         while (--n >= 0)
 265                 ttesc('I');
 266 }
 267
 268 int
 269 tt_h19(void)
 270 {
 271         float cpms = (float) wwbaud / 10000;    /* char per ms */
 272
 273         h19_msp10c = 10 / cpms;                 /* ms per 10 char */
 274         gen_VS = ttxgetstr("vs");
 275         gen_VE = ttxgetstr("ve");
 276
 277         tt.tt_start = h19_start;
 278         tt.tt_end = h19_end;
 279
 280         tt.tt_insline = h19_insline;
 281         tt.tt_delline = h19_delline;
 282         tt.tt_inschar = h19_inschar;
 283         tt.tt_delchar = h19_delchar;
 284         tt.tt_clreol = h19_clreol;
 285         tt.tt_clreos = h19_clreos;
 286         tt.tt_clear = h19_clear;
 287         tt.tt_move = h19_move;
 288         tt.tt_write = h19_write;
 289         tt.tt_putc = h19_putc;
 290         tt.tt_scroll_down = h19_scroll_down;
 291         tt.tt_scroll_up = h19_scroll_up;
 292         tt.tt_setmodes = h19_setmodes;
 293
 294         tt.tt_ncol = NCOL;
 295         tt.tt_nrow = NROW;
 296         tt.tt_availmodes = WWM_REV|WWM_GRP;
 297         tt.tt_frame = h19_frame;
 298         return 0;
 299 }