xref: /original-bsd/usr.bin/window/tth19.c (revision 279692fa)
1 /*
2  * Copyright (c) 1983 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)tth19.c	3.19 (Berkeley) 06/29/88";
20 #endif /* not lint */
21 
22 #include "ww.h"
23 #include "tt.h"
24 
25 /*
26 kb|h19|heath|h19-b|h19b|heathkit|heath-19|z19|zenith:
27 	cr=^M:nl=^J:bl=^G:al=1*\EL:am:le=^H:bs:cd=\EJ:ce=\EK:
28 	cl=\EE:cm=\EY%+ %+ :co#80:dc=\EN:dl=1*\EM:do=\EB:
29 	ei=\EO:ho=\EH:im=\E@:li#24:mi:nd=\EC:as=\EF:ae=\EG:ms:
30 	ta=^I:pt:sr=\EI:se=\Eq:so=\Ep:up=\EA:vs=\Ex4:ve=\Ey4:
31 	kb=^h:ku=\EA:kd=\EB:kl=\ED:kr=\EC:kh=\EH:
32 	kn#8:k1=\ES:k2=\ET:k3=\EU:k4=\EV:k5=\EW:
33 	l6=blue:l7=red:l8=white:k6=\EP:k7=\EQ:k8=\ER:
34 	es:hs:ts=\Ej\Ex5\Ex1\EY8%+ \Eo:fs=\Ek\Ey5:ds=\Ey1:
35 */
36 
37 #define NCOL	80
38 #define NROW	24
39 
40 #define G (WWM_GRP << WWC_MSHIFT)
41 short h19_frame[16] = {
42 	' ',	'`'|G,	'a'|G,	'e'|G,
43 	'`'|G,	'`'|G,	'f'|G,	'v'|G,
44 	'a'|G,	'd'|G,	'a'|G,	'u'|G,
45 	'c'|G,	't'|G,	's'|G,	'b'|G
46 };
47 
48 extern struct tt_str *gen_VS;
49 extern struct tt_str *gen_VE;
50 
51 int h19_msp10c;
52 
53 #define pc(c)	ttputc('c')
54 #define esc()	pc(\033)
55 #define PAD(ms10) { \
56 	register i; \
57 	for (i = ((ms10) + 5) / h19_msp10c; --i >= 0;) \
58 		pc(\0); \
59 }
60 #define ICPAD() PAD((NCOL - tt.tt_col) * 1)	/* 0.1 ms per char */
61 #define ILPAD() PAD((NROW - tt.tt_row) * 10)	/* 1 ms per char */
62 
63 #define H19_SETINSERT(m) (esc(), (tt.tt_insert = (m)) ? pc(@) : pc(O))
64 
65 h19_setinsert(new)
66 {
67 	H19_SETINSERT(new);
68 }
69 
70 h19_setmodes(new)
71 register new;
72 {
73 	register diff;
74 
75 	diff = new ^ tt.tt_modes;
76 	if (diff & WWM_REV) {
77 		esc();
78 		if (new & WWM_REV)
79 			pc(p);
80 		else
81 			pc(q);
82 	}
83 	if (diff & WWM_GRP) {
84 		esc();
85 		if (new & WWM_GRP)
86 			pc(F);
87 		else
88 			pc(G);
89 	}
90 	tt.tt_modes = new;
91 }
92 
93 h19_insline()
94 {
95 	esc();
96 	pc(L);
97 	ILPAD();
98 }
99 
100 h19_delline()
101 {
102 	esc();
103 	pc(M);
104 	ILPAD();
105 }
106 
107 h19_putc(c)
108 register char c;
109 {
110 	if (tt.tt_nmodes != tt.tt_modes)
111 		(*tt.tt_setmodes)(tt.tt_nmodes);
112 	if (tt.tt_ninsert != tt.tt_insert)
113 		H19_SETINSERT(tt.tt_ninsert);
114 	ttputc(c);
115 	if (tt.tt_insert)
116 		ICPAD();
117 	if (++tt.tt_col == NCOL)
118 		tt.tt_col = NCOL - 1;
119 }
120 
121 h19_write(p, n)
122 register char *p;
123 register n;
124 {
125 	if (tt.tt_nmodes != tt.tt_modes)
126 		(*tt.tt_setmodes)(tt.tt_nmodes);
127 	if (tt.tt_ninsert != tt.tt_insert)
128 		H19_SETINSERT(tt.tt_ninsert);
129 	if (tt.tt_insert) {
130 		while (--n >= 0) {
131 			ttputc(*p++);
132 			ICPAD();
133 			tt.tt_col++;
134 		}
135 	} else {
136 		tt.tt_col += n;
137 		ttwrite(p, n);
138 	}
139 	if (tt.tt_col == NCOL)
140 		tt.tt_col = NCOL - 1;
141 }
142 
143 h19_move(row, col)
144 register char row, col;
145 {
146 	if (tt.tt_row == row) {
147 		if (tt.tt_col == col)
148 			return;
149 		if (col == 0) {
150 			pc(\r);
151 			goto out;
152 		}
153 		if (tt.tt_col == col - 1) {
154 			esc();
155 			pc(C);
156 			goto out;
157 		}
158 		if (tt.tt_col == col + 1) {
159 			pc(\b);
160 			goto out;
161 		}
162 	}
163 	if (tt.tt_col == col) {
164 		if (tt.tt_row == row + 1) {
165 			esc();
166 			pc(A);
167 			goto out;
168 		}
169 		if (tt.tt_row == row - 1) {
170 			pc(\n);
171 			goto out;
172 		}
173 	}
174 	if (col == 0 && row == 0) {
175 		esc();
176 		pc(H);
177 		goto out;
178 	}
179 	esc();
180 	pc(Y);
181 	ttputc(' ' + row);
182 	ttputc(' ' + col);
183 out:
184 	tt.tt_col = col;
185 	tt.tt_row = row;
186 }
187 
188 h19_init()
189 {
190 	if (gen_VS)
191 		ttxputs(gen_VS);
192 	esc();
193 	pc(w);
194 	esc();
195 	pc(E);
196 	tt.tt_col = tt.tt_row = 0;
197 	tt.tt_ninsert = tt.tt_insert = 0;
198 	tt.tt_nmodes = tt.tt_modes = 0;
199 }
200 
201 h19_end()
202 {
203 	if (gen_VE)
204 		ttxputs(gen_VE);
205 	esc();
206 	pc(v);
207 }
208 
209 h19_clreol()
210 {
211 	esc();
212 	pc(K);
213 }
214 
215 h19_clreos()
216 {
217 	esc();
218 	pc(J);
219 }
220 
221 h19_clear()
222 {
223 	esc();
224 	pc(E);
225 }
226 
227 h19_delchar()
228 {
229 	esc();
230 	pc(N);
231 }
232 
233 h19_scroll_down()
234 {
235 	h19_move(NROW - 1, 0);
236 	pc(\n);
237 }
238 
239 h19_scroll_up()
240 {
241 	h19_move(0, 0);
242 	esc();
243 	pc(I);
244 }
245 
246 tt_h19()
247 {
248 	float cpms = (float) wwbaud / 10000;	/* char per ms */
249 
250 	h19_msp10c = 10 / cpms;			/* ms per 10 char */
251 	gen_VS = ttxgetstr("vs");
252 	gen_VE = ttxgetstr("ve");
253 
254 	tt.tt_init = h19_init;
255 	tt.tt_end = h19_end;
256 
257 	tt.tt_insline = h19_insline;
258 	tt.tt_delline = h19_delline;
259 	tt.tt_delchar = h19_delchar;
260 	tt.tt_clreol = h19_clreol;
261 	tt.tt_clreos = h19_clreos;
262 	tt.tt_clear = h19_clear;
263 	tt.tt_move = h19_move;
264 	tt.tt_write = h19_write;
265 	tt.tt_putc = h19_putc;
266 	tt.tt_scroll_down = h19_scroll_down;
267 	tt.tt_scroll_up = h19_scroll_up;
268 	tt.tt_setinsert = h19_setinsert;
269 	tt.tt_setmodes = h19_setmodes;
270 
271 	tt.tt_ncol = NCOL;
272 	tt.tt_nrow = NROW;
273 	tt.tt_hasinsert = 1;
274 	tt.tt_availmodes = WWM_REV|WWM_GRP;
275 	tt.tt_frame = h19_frame;
276 	return 0;
277 }
278