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