1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30
31 /* Copyright (c) 1981 Regents of the University of California */
32
33 #pragma ident "%Z%%M% %I% %E% SMI"
34
35 #include "ex.h"
36 #include "ex_tty.h"
37
38 static unsigned char allocspace[256];
39 static unsigned char *freespace;
40
41 /*
42 * Terminal type initialization routines,
43 * and calculation of flags at entry or after
44 * a shell escape which may change them.
45 */
46 static short GT;
47
48 void
gettmode(void)49 gettmode(void)
50 {
51 short speed;
52
53 GT = 1;
54 if(gTTY(2) == -1)
55 return;
56 if (termiosflag)
57 speed = (short)cfgetospeed(&tty);
58 else
59 speed = tty.c_cflag & CBAUD;
60 if (ospeed != speed)
61 value(vi_SLOWOPEN) = (int)(speed) < B1200;
62 ospeed = speed;
63 normf = tty;
64 UPPERCASE = (tty.c_iflag & IUCLC) != 0;
65 if ((tty.c_oflag & TABDLY) == TAB3 || teleray_glitch)
66 GT = 0;
67 NONL = (tty.c_oflag & ONLCR) == 0;
68 }
69
70 void
setterm(unsigned char * type)71 setterm(unsigned char *type)
72 {
73 char *tparm();
74 unsigned char *chrptr;
75 int unknown, i;
76 int l;
77 int errret;
78 extern unsigned char termtype[];
79 extern void setsize();
80
81 unknown = 0;
82 if (cur_term && exit_ca_mode)
83 putpad((unsigned char *)exit_ca_mode);
84 /*
85 * The code in this if statement is from 4.1.2 and fixes a bug where
86 * you couldn't change the term type using the ":set term" command.
87 */
88 if (*termtype) {
89 #ifdef TRACE
90 if (trace) fprintf(trace, "CALLED del_curterm with %s\n", termtype);
91 #endif
92 del_curterm(cur_term); /* Zap the old data space which was allocated
93 * previously (this is a set command)
94 */
95 }
96 cur_term = 0;
97 strcpy(termtype, type);
98
99 #ifdef XPG4
100 use_env(1); /* $LINES and $COLUMNS override terminfo */
101 #endif /* XPG4 */
102
103 setupterm(type, 2, &errret);
104 if (errret != 1) {
105 unknown++;
106 cur_term = 0;
107 if (errret == 0) {
108 setupterm("unknown", 1, &errret);
109 if (errret == 0) {
110 perror(gettext("Unable to setup term:'unknown' missing in the terminfo database"));
111 exit(++errcnt);
112 }
113 }
114 else if (errret == -1) {
115 perror(gettext("Unable to find the terminfo database"));
116 exit(++errcnt);
117 }
118 }
119 if (errret == 1)
120 resetterm();
121 #ifdef TRACE
122 if (trace) fprintf(trace, "after setupterm, lines %d, columns %d, clear_screen '%s', cursor_address '%s'\n", lines, columns, clear_screen, cursor_address);
123 #endif
124 setsize();
125 #ifdef OLD
126 if(exit_attribute_mode)
127 putpad(exit_attribute_mode);
128 #endif
129 exit_bold = (exit_standout_mode ? exit_standout_mode : (exit_attribute_mode ? exit_attribute_mode : 0));
130 i = lines;
131 if (lines <= 1)
132 lines = 24;
133 if (lines > TUBELINES)
134 lines = TUBELINES;
135 l = lines;
136 if (ospeed < B1200)
137 l = 9; /* including the message line at the bottom */
138 else if (ospeed < B2400)
139 l = 17;
140 if (l > lines)
141 l = lines;
142 /*
143 * Initialize keypad arrow keys.
144 */
145 freespace = allocspace;
146
147 #ifdef sun
148 kpadd(arrows, (unsigned char *)key_ic, (unsigned char *)"i",
149 (unsigned char *)"inschar");
150 kpadd(arrows, (unsigned char *)key_eic, (unsigned char *)"i",
151 (unsigned char *)"inschar");
152 kpadd(arrows, (unsigned char *)key_up, (unsigned char *)"k",
153 (unsigned char *)"up");
154 kpadd(arrows, (unsigned char *)key_down, (unsigned char *)"j",
155 (unsigned char *)"down");
156 kpadd(arrows, (unsigned char *)key_left, (unsigned char *)"h",
157 (unsigned char *)"left");
158 kpadd(arrows, (unsigned char *)key_right, (unsigned char *)"l",
159 (unsigned char *)"right");
160 kpadd(arrows, (unsigned char *)key_home, (unsigned char *)"H",
161 (unsigned char *)"home");
162 #else
163 kpadd(arrows, key_ic, "i", "inschar");
164 kpadd(immacs, key_ic, "\033", "inschar");
165 kpadd(arrows, key_eic, "i", "inschar");
166 kpadd(immacs, key_eic, "\033", "inschar");
167
168 kpboth(arrows, immacs, key_up, "k", "up");
169 kpboth(arrows, immacs, key_down, "j", "down");
170 kpboth(arrows, immacs, key_left, "h", "left");
171 kpboth(arrows, immacs, key_right, "l", "right");
172 kpboth(arrows, immacs, key_home, "H", "home");
173 kpboth(arrows, immacs, key_il, "o\033", "insline");
174 kpboth(arrows, immacs, key_dl, "dd", "delline");
175 kpboth(arrows, immacs, key_clear, "\014", "clear");
176 kpboth(arrows, immacs, key_eol, "d$", "clreol");
177 kpboth(arrows, immacs, key_sf, "\005", "scrollf");
178 kpboth(arrows, immacs, key_dc, "x", "delchar");
179 kpboth(arrows, immacs, key_npage, "\006", "npage");
180 kpboth(arrows, immacs, key_ppage, "\002", "ppage");
181 kpboth(arrows, immacs, key_sr, "\031", "sr");
182 kpboth(arrows, immacs, key_eos, "dG", "clreos");
183 #endif /* sun */
184
185 /*
186 * Handle funny termcap capabilities
187 */
188 /* don't understand insert mode with multibyte characters */
189 if(MB_CUR_MAX > 1) {
190 enter_insert_mode = NULL;
191 exit_insert_mode = NULL;
192 #ifndef PRESUNEUC
193 insert_character = NULL;
194 #endif /* PRESUNEUC */
195 }
196
197 if (change_scroll_region && save_cursor && restore_cursor) insert_line=delete_line="";
198 if (parm_insert_line && insert_line==NULL) insert_line="";
199 if (parm_delete_line && delete_line==NULL) delete_line="";
200 if (insert_character && enter_insert_mode==NULL) enter_insert_mode="";
201 if (insert_character && exit_insert_mode==NULL) exit_insert_mode="";
202 if (GT == 0)
203 tab = back_tab = NOSTR;
204
205 #ifdef SIGTSTP
206 /*
207 * Now map users susp char to ^Z, being careful that the susp
208 * overrides any arrow key, but only for hackers (=new tty driver).
209 */
210 {
211 static unsigned char sc[2];
212 int i;
213
214 if (!value(vi_NOVICE)) {
215 sc[0] = tty.c_cc[VSUSP];
216 sc[1] = 0;
217 if (sc[0] == CTRL('z')) {
218 for (i=0; i<=4; i++)
219 if (arrows[i].cap && arrows[i].cap[0] == CTRL('z'))
220 addmac(sc, NULL, NULL, arrows);
221 } else if(sc[0])
222 addmac(sc, "\32", "susp", arrows);
223 }
224 }
225 #endif
226
227 value(vi_WINDOW) = options[vi_WINDOW].odefault = l - 1;
228 if (defwind)
229 value(vi_WINDOW) = defwind;
230 value(vi_SCROLL) = options[vi_SCROLL].odefault =
231 hard_copy ? 11 : (value(vi_WINDOW) / 2);
232 if (columns <= 4)
233 columns = 1000;
234 chrptr=(unsigned char *)tparm(cursor_address, 2, 2);
235 if (chrptr==(unsigned char *)0 || chrptr[0] == 'O') /* OOPS */
236 cursor_address = 0;
237 else
238 costCM = cost(tparm(cursor_address, 10, 8));
239 costSR = cost(scroll_reverse);
240 costAL = cost(insert_line);
241 costDP = cost(tparm(parm_down_cursor, 10));
242 costLP = cost(tparm(parm_left_cursor, 10));
243 costRP = cost(tparm(parm_right_cursor, 10));
244 costCE = cost(clr_eol);
245 costCD = cost(clr_eos);
246 if (i <= 0)
247 lines = 2;
248 /* proper strings to change tty type */
249 termreset();
250 gettmode();
251 value(vi_REDRAW) = insert_line && delete_line;
252 value(vi_OPTIMIZE) = !cursor_address && !tab;
253 if (ospeed == B1200 && !value(vi_REDRAW))
254 value(vi_SLOWOPEN) = 1; /* see also gettmode above */
255 if (unknown)
256 serror((unsigned char *)gettext("%s: Unknown terminal type"),
257 type);
258 }
259
260 #ifndef sun
261 /*
262 * Map both map1 and map2 as below. map2 surrounded by esc and
263 * the 'i', 'R', or 'a' mode. However, because we don't know
264 * the mode here we put in the escape and when the map() routine
265 * is called for immacs mapping the mode is appended to the
266 * macro. Therefore when you leave insert mode, to perform a
267 * function key, it will (once the cursor movement is done)
268 * restore you to the proper mode.
269 */
270 kpboth(map1, map2, key, mapto, desc)
271 struct maps *map1, *map2;
272 unsigned char *key, *mapto, *desc;
273 {
274 unsigned char surmapto[30];
275 unsigned char *p;
276
277 if (key == 0)
278 return;
279 kpadd(map1, key, mapto, desc);
280 if (any(*key, "\b\n "))
281 return;
282 strcpy(surmapto, "\33");
283 strcat(surmapto, mapto);
284 p = freespace;
285 strcpy(p, surmapto);
286 freespace += strlen(surmapto) + 1;
287 kpadd(map2, key, p, desc);
288 }
289 #endif /* !sun */
290
291 /*
292 * Define a macro. mapstr is the structure (mode) in which it applies.
293 * key is the input sequence, mapto what it turns into, and desc is a
294 * human-readable description of what's going on.
295 */
296 void
kpadd(struct maps * mapstr,unsigned char * key,unsigned char * mapto,unsigned char * desc)297 kpadd(struct maps *mapstr, unsigned char *key, unsigned char *mapto,
298 unsigned char *desc)
299 {
300 int i;
301
302 for (i=0; i<MAXNOMACS; i++)
303 if (mapstr[i].cap == 0)
304 break;
305 if (key == 0 || i >= MAXNOMACS)
306 return;
307 mapstr[i].cap = key;
308 mapstr[i].mapto = mapto;
309 mapstr[i].descr = desc;
310 }
311
312 unsigned char *
fkey(i)313 fkey(i)
314 int i;
315 {
316 if (i < 0 || i > 9)
317 return ((unsigned char *)NOSTR);
318 switch (i) {
319 case 0: return ((unsigned char *)key_f0);
320 case 1: return ((unsigned char *)key_f1);
321 case 2: return ((unsigned char *)key_f2);
322 case 3: return ((unsigned char *)key_f3);
323 case 4: return ((unsigned char *)key_f4);
324 case 5: return ((unsigned char *)key_f5);
325 case 6: return ((unsigned char *)key_f6);
326 case 7: return ((unsigned char *)key_f7);
327 case 8: return ((unsigned char *)key_f8);
328 case 9: return ((unsigned char *)key_f9);
329 case 10: return ((unsigned char *)key_f0);
330 }
331 return ((unsigned char *)NOSTR);
332 }
333
334 /*
335 * cost figures out how much (in characters) it costs to send the string
336 * str to the terminal. It takes into account padding information, as
337 * much as it can, for a typical case. (Right now the typical case assumes
338 * the number of lines affected is the size of the screen, since this is
339 * mainly used to decide if insert_line or scroll_reverse is better, and this always happens
340 * at the top of the screen. We assume cursor motion (cursor_address) has little
341 * padding, if any, required, so that case, which is really more important
342 * than insert_line vs scroll_reverse, won't be really affected.)
343 */
344
345 static int costnum;
346
347 /* ARGSUSED */
348 int
countnum(char ch)349 countnum(char ch)
350 {
351 costnum++;
352 return (0);
353 }
354
355 int
cost(unsigned char * str)356 cost(unsigned char *str)
357 {
358
359 if (str == NULL || *str=='O') /* OOPS */
360 return 10000; /* infinity */
361 costnum = 0;
362 tputs((char *)str, lines, countnum);
363 return costnum;
364 }
365