1 |
/*----------------------------------------------------------------------* |
2 |
* File: init.C |
3 |
*----------------------------------------------------------------------* |
4 |
* |
5 |
* All portions of code are copyright by their respective author/s. |
6 |
* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> |
7 |
* - original version |
8 |
* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> |
9 |
* - extensive modifications |
10 |
* Copyright (c) 1996 Chuck Blake <cblake@BBN.COM> |
11 |
* Copyright (c) 1997 mj olesen <olesen@me.queensu.ca> |
12 |
* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
13 |
* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
14 |
* - extensive modifications |
15 |
* Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com> |
16 |
* |
17 |
* This program is free software; you can redistribute it and/or modify |
18 |
* it under the terms of the GNU General Public License as published by |
19 |
* the Free Software Foundation; either version 2 of the License, or |
20 |
* (at your option) any later version. |
21 |
* |
22 |
* This program is distributed in the hope that it will be useful, |
23 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
24 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
25 |
* GNU General Public License for more details. |
26 |
* |
27 |
* You should have received a copy of the GNU General Public License |
28 |
* along with this program; if not, write to the Free Software |
29 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
30 |
*---------------------------------------------------------------------*/ |
31 |
/* |
32 |
* Initialisation routines. |
33 |
*/ |
34 |
|
35 |
#include "../config.h" /* NECESSARY */ |
36 |
#include "rxvt.h" /* NECESSARY */ |
37 |
#include "rxvtutil.h" |
38 |
#include "init.h" |
39 |
|
40 |
#include <limits> |
41 |
|
42 |
#include <csignal> |
43 |
|
44 |
#include <fcntl.h> |
45 |
|
46 |
#ifdef HAVE_XSETLOCALE |
47 |
# define X_LOCALE |
48 |
# include <X11/Xlocale.h> |
49 |
#else |
50 |
# ifdef HAVE_SETLOCALE |
51 |
# include <clocale> |
52 |
# endif |
53 |
#endif |
54 |
|
55 |
#ifdef HAVE_NL_LANGINFO |
56 |
# include <langinfo.h> |
57 |
#endif |
58 |
|
59 |
#ifdef DISPLAY_IS_IP |
60 |
/* On Solaris link with -lsocket and -lnsl */ |
61 |
#include <sys/types.h> |
62 |
#include <sys/socket.h> |
63 |
|
64 |
/* these next two are probably only on Sun (not Solaris) */ |
65 |
#ifdef HAVE_SYS_SOCKIO_H |
66 |
#include <sys/sockio.h> |
67 |
#endif |
68 |
#ifdef HAVE_SYS_BYTEORDER_H |
69 |
#include <sys/byteorder.h> |
70 |
#endif |
71 |
|
72 |
#include <netinet/in.h> |
73 |
#include <arpa/inet.h> |
74 |
#include <net/if.h> |
75 |
#include <net/if_arp.h> |
76 |
|
77 |
static char * |
78 |
rxvt_network_display (const char *display) |
79 |
{ |
80 |
char buffer[1024], *rval = NULL; |
81 |
struct ifconf ifc; |
82 |
struct ifreq *ifr; |
83 |
int i, skfd; |
84 |
|
85 |
if (display[0] != ':' && strncmp (display, "unix:", 5)) |
86 |
return (char *) display; /* nothing to do */ |
87 |
|
88 |
ifc.ifc_len = sizeof (buffer); /* Get names of all ifaces */ |
89 |
ifc.ifc_buf = buffer; |
90 |
|
91 |
if ((skfd = socket (AF_INET, SOCK_DGRAM, 0)) < 0) |
92 |
{ |
93 |
perror ("socket"); |
94 |
return NULL; |
95 |
} |
96 |
|
97 |
if (ioctl (skfd, SIOCGIFCONF, &ifc) < 0) |
98 |
{ |
99 |
perror ("SIOCGIFCONF"); |
100 |
close (skfd); |
101 |
return NULL; |
102 |
} |
103 |
|
104 |
for (i = 0, ifr = ifc.ifc_req; |
105 |
i < (ifc.ifc_len / sizeof (struct ifreq)); |
106 |
i++, ifr++) |
107 |
{ |
108 |
struct ifreq ifr2; |
109 |
|
110 |
strcpy (ifr2.ifr_name, ifr->ifr_name); |
111 |
|
112 |
if (ioctl (skfd, SIOCGIFADDR, &ifr2) >= 0) |
113 |
{ |
114 |
unsigned long addr; |
115 |
struct sockaddr_in *p_addr; |
116 |
|
117 |
p_addr = (struct sockaddr_in *) &ifr2.ifr_addr; |
118 |
addr = htonl ((unsigned long)p_addr->sin_addr.s_addr); |
119 |
|
120 |
/* |
121 |
* not "0.0.0.0" or "127.0.0.1" - so format the address |
122 |
*/ |
123 |
if (addr && addr != 0x7F000001) |
124 |
{ |
125 |
char *colon = strchr (display, ':'); |
126 |
|
127 |
if (colon == NULL) |
128 |
colon = ":0.0"; |
129 |
|
130 |
rval = rxvt_malloc (strlen (colon) + 16); |
131 |
sprintf (rval, "%d.%d.%d.%d%s", |
132 |
(int) ((addr >> 030) & 0xFF), |
133 |
(int) ((addr >> 020) & 0xFF), |
134 |
(int) ((addr >> 010) & 0xFF), |
135 |
(int) (addr & 0xFF), colon); |
136 |
break; |
137 |
} |
138 |
} |
139 |
} |
140 |
|
141 |
close (skfd); |
142 |
|
143 |
return rval; |
144 |
} |
145 |
#endif |
146 |
|
147 |
const char *const def_colorName[] = |
148 |
{ |
149 |
COLOR_FOREGROUND, |
150 |
COLOR_BACKGROUND, |
151 |
/* low-intensity colors */ |
152 |
"rgb:00/00/00", // 0: black (Black) |
153 |
"rgb:cd/00/00", // 1: red (Red3) |
154 |
"rgb:00/cd/00", // 2: green (Green3) |
155 |
"rgb:cd/cd/00", // 3: yellow (Yellow3) |
156 |
"rgb:00/00/cd", // 4: blue (Blue3) |
157 |
"rgb:cd/00/cd", // 5: magenta (Magenta3) |
158 |
"rgb:00/cd/cd", // 6: cyan (Cyan3) |
159 |
# ifdef XTERM_COLORS |
160 |
"rgb:e5/e5/e5", // 7: white (Grey90) |
161 |
# else |
162 |
"rgb:fa/eb/d7", // 7: white (AntiqueWhite) |
163 |
# endif |
164 |
/* high-intensity colors */ |
165 |
# ifdef XTERM_COLORS |
166 |
"rgb:4d/4d/4d", // 8: bright black (Grey30) |
167 |
# else |
168 |
"rgb:40/40/40", // 8: bright black (Grey25) |
169 |
# endif |
170 |
"rgb:ff/00/00", // 1/9: bright red (Reed) |
171 |
"rgb:00/ff/00", // 2/10: bright green (Green) |
172 |
"rgb:ff/ff/00", // 3/11: bright yellow (Yellow) |
173 |
"rgb:00/00/ff", // 4/12: bright blue (Blue) |
174 |
"rgb:ff/00/ff", // 5/13: bright magenta (Magenta) |
175 |
"rgb:00/ff/ff", // 6/14: bright cyan (Cyan) |
176 |
"rgb:ff/ff/ff", // 7/15: bright white (White) |
177 |
|
178 |
// 88 xterm colours |
179 |
"rgb:00/00/00", |
180 |
"rgb:00/00/8b", |
181 |
"rgb:00/00/cd", |
182 |
"rgb:00/00/ff", |
183 |
"rgb:00/8b/00", |
184 |
"rgb:00/8b/8b", |
185 |
"rgb:00/8b/cd", |
186 |
"rgb:00/8b/ff", |
187 |
"rgb:00/cd/00", |
188 |
"rgb:00/cd/8b", |
189 |
"rgb:00/cd/cd", |
190 |
"rgb:00/cd/ff", |
191 |
"rgb:00/ff/00", |
192 |
"rgb:00/ff/8b", |
193 |
"rgb:00/ff/cd", |
194 |
"rgb:00/ff/ff", |
195 |
"rgb:8b/00/00", |
196 |
"rgb:8b/00/8b", |
197 |
"rgb:8b/00/cd", |
198 |
"rgb:8b/00/ff", |
199 |
"rgb:8b/8b/00", |
200 |
"rgb:8b/8b/8b", |
201 |
"rgb:8b/8b/cd", |
202 |
"rgb:8b/8b/ff", |
203 |
"rgb:8b/cd/00", |
204 |
"rgb:8b/cd/8b", |
205 |
"rgb:8b/cd/cd", |
206 |
"rgb:8b/cd/ff", |
207 |
"rgb:8b/ff/00", |
208 |
"rgb:8b/ff/8b", |
209 |
"rgb:8b/ff/cd", |
210 |
"rgb:8b/ff/ff", |
211 |
"rgb:cd/00/00", |
212 |
"rgb:cd/00/8b", |
213 |
"rgb:cd/00/cd", |
214 |
"rgb:cd/00/ff", |
215 |
"rgb:cd/8b/00", |
216 |
"rgb:cd/8b/8b", |
217 |
"rgb:cd/8b/cd", |
218 |
"rgb:cd/8b/ff", |
219 |
"rgb:cd/cd/00", |
220 |
"rgb:cd/cd/8b", |
221 |
"rgb:cd/cd/cd", |
222 |
"rgb:cd/cd/ff", |
223 |
"rgb:cd/ff/00", |
224 |
"rgb:cd/ff/8b", |
225 |
"rgb:cd/ff/cd", |
226 |
"rgb:cd/ff/ff", |
227 |
"rgb:ff/00/00", |
228 |
"rgb:ff/00/8b", |
229 |
"rgb:ff/00/cd", |
230 |
"rgb:ff/00/ff", |
231 |
"rgb:ff/8b/00", |
232 |
"rgb:ff/8b/8b", |
233 |
"rgb:ff/8b/cd", |
234 |
"rgb:ff/8b/ff", |
235 |
"rgb:ff/cd/00", |
236 |
"rgb:ff/cd/8b", |
237 |
"rgb:ff/cd/cd", |
238 |
"rgb:ff/cd/ff", |
239 |
"rgb:ff/ff/00", |
240 |
"rgb:ff/ff/8b", |
241 |
"rgb:ff/ff/cd", |
242 |
"rgb:ff/ff/ff", |
243 |
"rgb:2e/2e/2e", |
244 |
"rgb:5c/5c/5c", |
245 |
"rgb:73/73/73", |
246 |
"rgb:8b/8b/8b", |
247 |
"rgb:a2/a2/a2", |
248 |
"rgb:b9/b9/b9", |
249 |
"rgb:d0/d0/d0", |
250 |
"rgb:e7/e7/e7", |
251 |
|
252 |
#ifndef NO_CURSORCOLOR |
253 |
COLOR_CURSOR_BACKGROUND, |
254 |
COLOR_CURSOR_FOREGROUND, |
255 |
#endif /* ! NO_CURSORCOLOR */ |
256 |
NULL, /* Color_pointer_fg */ |
257 |
NULL, /* Color_pointer_bg */ |
258 |
NULL, /* Color_border */ |
259 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
260 |
NULL, /* Color_BD */ |
261 |
NULL, /* Color_IT */ |
262 |
NULL, /* Color_UL */ |
263 |
NULL, /* Color_RV */ |
264 |
#endif /* ! NO_BOLD_UNDERLINE_REVERSE */ |
265 |
#if ENABLE_FRILLS |
266 |
NULL, // Color_underline |
267 |
#endif |
268 |
#ifdef OPTION_HC |
269 |
NULL, |
270 |
#endif |
271 |
#ifdef KEEP_SCROLLCOLOR |
272 |
COLOR_SCROLLBAR, |
273 |
COLOR_SCROLLTROUGH, |
274 |
#endif /* KEEP_SCROLLCOLOR */ |
275 |
#if ENABLE_TRANSPARENCY |
276 |
NULL, |
277 |
#endif |
278 |
#if OFF_FOCUS_FADING |
279 |
"rgb:00/00/00", |
280 |
#endif |
281 |
}; |
282 |
|
283 |
void |
284 |
rxvt_term::init_vars () |
285 |
{ |
286 |
pix_colors = // |
287 |
pix_colors_focused = new rxvt_color [TOTAL_COLORS]; |
288 |
#ifdef OFF_FOCUS_FADING |
289 |
pix_colors_unfocused = new rxvt_color [TOTAL_COLORS]; |
290 |
#endif |
291 |
|
292 |
|
293 |
MEvent.time = CurrentTime; |
294 |
MEvent.button = AnyButton; |
295 |
want_refresh = 1; |
296 |
priv_modes = SavedModes = PrivMode_Default; |
297 |
ncol = 80; |
298 |
nrow = 24; |
299 |
int_bwidth = INTERNALBORDERWIDTH; |
300 |
ext_bwidth = EXTERNALBORDERWIDTH; |
301 |
lineSpace = LINESPACE; |
302 |
saveLines = SAVELINES; |
303 |
numpix_colors = TOTAL_COLORS; |
304 |
|
305 |
refresh_type = SLOW_REFRESH; |
306 |
|
307 |
oldcursor.row = oldcursor.col = -1; |
308 |
last_bot = last_state = -1; |
309 |
|
310 |
set_option (Opt_scrollBar); |
311 |
set_option (Opt_scrollTtyOutput); |
312 |
set_option (Opt_jumpScroll); |
313 |
set_option (Opt_skipScroll); |
314 |
set_option (Opt_secondaryScreen); |
315 |
set_option (Opt_secondaryScroll); |
316 |
set_option (Opt_pastableTabs); |
317 |
set_option (Opt_intensityStyles); |
318 |
set_option (Opt_iso14755_52); |
319 |
} |
320 |
|
321 |
void |
322 |
rxvt_term::init_secondary () |
323 |
{ |
324 |
int i; |
325 |
|
326 |
/* |
327 |
* Close all unused file descriptors |
328 |
* We don't want them, we don't need them. |
329 |
*/ |
330 |
if ((i = open ("/dev/null", O_RDONLY)) < 0) |
331 |
{ |
332 |
/* TODO: BOO HISS */ |
333 |
dup2 (STDERR_FILENO, STDIN_FILENO); |
334 |
} |
335 |
else if (i != STDIN_FILENO) |
336 |
{ |
337 |
dup2 (i, STDIN_FILENO); |
338 |
close (i); |
339 |
} |
340 |
|
341 |
dup2 (STDERR_FILENO, STDOUT_FILENO); |
342 |
|
343 |
#if 0 // schmorp sayz closing filies is murder |
344 |
for (i = STDERR_FILENO + 1; i < num_fds; i++) |
345 |
{ |
346 |
#ifdef __sgi /* Alex Coventry says we need 4 & 7 too */ |
347 |
if (i == 4 || i == 7) |
348 |
continue; |
349 |
#endif |
350 |
close (i); |
351 |
} |
352 |
#endif |
353 |
} |
354 |
|
355 |
/*----------------------------------------------------------------------*/ |
356 |
const char ** |
357 |
rxvt_term::init_resources (int argc, const char *const *argv) |
358 |
{ |
359 |
int i, r_argc; |
360 |
const char **cmd_argv, **r_argv; |
361 |
|
362 |
/* |
363 |
* Look for -e option. Find => split and make cmd_argv[] of command args |
364 |
*/ |
365 |
for (r_argc = 0; r_argc < argc; r_argc++) |
366 |
if (!strcmp (argv[r_argc], "-e")) |
367 |
break; |
368 |
|
369 |
if (r_argc == argc) |
370 |
cmd_argv = NULL; |
371 |
else if (!argv[r_argc + 1]) |
372 |
rxvt_fatal ("option '-e' requires an argument, aborting.\n"); |
373 |
else |
374 |
{ |
375 |
cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc)); |
376 |
|
377 |
for (i = 0; i < argc - r_argc - 1; i++) |
378 |
cmd_argv[i] = (const char *)argv[i + r_argc + 1]; |
379 |
|
380 |
cmd_argv[i] = NULL; |
381 |
} |
382 |
|
383 |
r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1)); |
384 |
|
385 |
for (i = 0; i < r_argc; i++) |
386 |
r_argv[i] = (const char *)argv[i]; |
387 |
|
388 |
r_argv[i] = NULL; |
389 |
|
390 |
rs[Rs_name] = rxvt_basename (argv[0]); |
391 |
|
392 |
/* |
393 |
* Open display, get options/resources and create the window |
394 |
*/ |
395 |
|
396 |
if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL) |
397 |
rs[Rs_display_name] = ":0"; |
398 |
|
399 |
get_options (r_argc, r_argv); |
400 |
|
401 |
if (!(display = displays.get (rs[Rs_display_name]))) |
402 |
{ |
403 |
free (r_argv); |
404 |
rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]); |
405 |
} |
406 |
|
407 |
// using a local pointer decreases code size a lot |
408 |
xa = display->xa; |
409 |
|
410 |
set (display); |
411 |
extract_resources (); |
412 |
|
413 |
#if XFT |
414 |
if (rs[Rs_depth]) |
415 |
select_visual (strtol (rs[Rs_depth], 0, 0)); |
416 |
#endif |
417 |
|
418 |
#ifdef HAVE_AFTERIMAGE |
419 |
asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL); |
420 |
#endif |
421 |
free (r_argv); |
422 |
|
423 |
for (int i = NUM_RESOURCES; i--; ) |
424 |
if (rs [i] == resval_undef) |
425 |
rs [i] = 0; |
426 |
|
427 |
#if ENABLE_PERL |
428 |
if (!rs[Rs_perl_ext_1]) |
429 |
rs[Rs_perl_ext_1] = "default"; |
430 |
|
431 |
if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1]) |
432 |
|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2]) |
433 |
|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval])) |
434 |
{ |
435 |
rxvt_perl.init (this); |
436 |
HOOK_INVOKE ((this, HOOK_INIT, DT_END)); |
437 |
} |
438 |
#endif |
439 |
|
440 |
/* |
441 |
* set any defaults not already set |
442 |
*/ |
443 |
if (cmd_argv && cmd_argv[0]) |
444 |
{ |
445 |
if (!rs[Rs_title]) |
446 |
rs[Rs_title] = rxvt_basename (cmd_argv[0]); |
447 |
if (!rs[Rs_iconName]) |
448 |
rs[Rs_iconName] = rs[Rs_title]; |
449 |
} |
450 |
else |
451 |
{ |
452 |
if (!rs[Rs_title]) |
453 |
rs[Rs_title] = rs[Rs_name]; |
454 |
if (!rs[Rs_iconName]) |
455 |
rs[Rs_iconName] = rs[Rs_name]; |
456 |
} |
457 |
|
458 |
if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0) |
459 |
saveLines = min (i, MAX_SAVELINES); |
460 |
|
461 |
#if ENABLE_FRILLS |
462 |
if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0) |
463 |
int_bwidth = min (i, std::numeric_limits<int16_t>::max ()); |
464 |
|
465 |
if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0) |
466 |
ext_bwidth = min (i, std::numeric_limits<int16_t>::max ()); |
467 |
|
468 |
if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0) |
469 |
lineSpace = min (i, std::numeric_limits<int16_t>::max ()); |
470 |
#endif |
471 |
|
472 |
#ifdef POINTER_BLANK |
473 |
if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0) |
474 |
pointerBlankDelay = i; |
475 |
else |
476 |
pointerBlankDelay = 2; |
477 |
#endif |
478 |
|
479 |
/* no point having a scrollbar without having any scrollback! */ |
480 |
if (!saveLines) |
481 |
set_option (Opt_scrollBar, 0); |
482 |
|
483 |
#ifdef PRINTPIPE |
484 |
if (!rs[Rs_print_pipe]) |
485 |
rs[Rs_print_pipe] = PRINTPIPE; |
486 |
#endif |
487 |
|
488 |
if (!rs[Rs_cutchars]) |
489 |
rs[Rs_cutchars] = CUTCHARS; |
490 |
|
491 |
#ifndef NO_BACKSPACE_KEY |
492 |
if (!rs[Rs_backspace_key]) |
493 |
# ifdef DEFAULT_BACKSPACE |
494 |
rs[Rs_backspace_key] = DEFAULT_BACKSPACE; |
495 |
# else |
496 |
rs[Rs_backspace_key] = "DEC"; /* can toggle between \010 or \177 */ |
497 |
# endif |
498 |
#endif |
499 |
|
500 |
#ifndef NO_DELETE_KEY |
501 |
if (!rs[Rs_delete_key]) |
502 |
# ifdef DEFAULT_DELETE |
503 |
rs[Rs_delete_key] = DEFAULT_DELETE; |
504 |
# else |
505 |
rs[Rs_delete_key] = "\033[3~"; |
506 |
# endif |
507 |
#endif |
508 |
|
509 |
#ifdef HAVE_SCROLLBARS |
510 |
setup_scrollbar (rs[Rs_scrollBar_align], rs[Rs_scrollstyle], rs[Rs_scrollBar_thickness]); |
511 |
#endif |
512 |
|
513 |
#ifdef XTERM_REVERSE_VIDEO |
514 |
/* this is how xterm implements reverseVideo */ |
515 |
if (option (Opt_reverseVideo)) |
516 |
{ |
517 |
if (!rs[Rs_color + Color_fg]) |
518 |
rs[Rs_color + Color_fg] = def_colorName[Color_bg]; |
519 |
|
520 |
if (!rs[Rs_color + Color_bg]) |
521 |
rs[Rs_color + Color_bg] = def_colorName[Color_fg]; |
522 |
} |
523 |
#endif |
524 |
|
525 |
for (i = 0; i < NRS_COLORS; i++) |
526 |
if (!rs[Rs_color + i]) |
527 |
rs[Rs_color + i] = def_colorName[i]; |
528 |
|
529 |
#ifndef XTERM_REVERSE_VIDEO |
530 |
/* this is how we implement reverseVideo */ |
531 |
if (option (Opt_reverseVideo)) |
532 |
::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]); |
533 |
#endif |
534 |
|
535 |
/* convenient aliases for setting fg/bg to colors */ |
536 |
color_aliases (Color_fg); |
537 |
color_aliases (Color_bg); |
538 |
#ifndef NO_CURSORCOLOR |
539 |
color_aliases (Color_cursor); |
540 |
color_aliases (Color_cursor2); |
541 |
#endif /* NO_CURSORCOLOR */ |
542 |
color_aliases (Color_pointer_fg); |
543 |
color_aliases (Color_pointer_bg); |
544 |
color_aliases (Color_border); |
545 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
546 |
color_aliases (Color_BD); |
547 |
color_aliases (Color_UL); |
548 |
color_aliases (Color_RV); |
549 |
#endif /* ! NO_BOLD_UNDERLINE_REVERSE */ |
550 |
|
551 |
if (!rs[Rs_color + Color_border]) |
552 |
rs[Rs_color + Color_border] = rs[Rs_color + Color_bg]; |
553 |
|
554 |
return cmd_argv; |
555 |
} |
556 |
|
557 |
/*----------------------------------------------------------------------*/ |
558 |
void |
559 |
rxvt_term::init_env () |
560 |
{ |
561 |
int i; |
562 |
char *val; |
563 |
|
564 |
#ifdef DISPLAY_IS_IP |
565 |
/* Fixup display_name for export over pty to any interested terminal |
566 |
* clients via "ESC[7n" (e.g. shells). Note we use the pure IP number |
567 |
* (for the first non-loopback interface) that we get from |
568 |
* rxvt_network_display (). This is more "name-resolution-portable", if you |
569 |
* will, and probably allows for faster x-client startup if your name |
570 |
* server is beyond a slow link or overloaded at client startup. Of |
571 |
* course that only helps the shell's child processes, not us. |
572 |
* |
573 |
* Giving out the display_name also affords a potential security hole |
574 |
*/ |
575 |
val = rxvt_network_display (rs[Rs_display_name]); |
576 |
rs[Rs_display_name] = (const char *)val; |
577 |
|
578 |
if (val == NULL) |
579 |
#endif /* DISPLAY_IS_IP */ |
580 |
val = XDisplayString (dpy); |
581 |
|
582 |
if (rs[Rs_display_name] == NULL) |
583 |
rs[Rs_display_name] = val; /* use broken `:0' value */ |
584 |
|
585 |
i = strlen (val); |
586 |
env_display = (char *)rxvt_malloc (i + 9); |
587 |
|
588 |
sprintf (env_display, "DISPLAY=%s", val); |
589 |
|
590 |
sprintf (env_windowid, "WINDOWID=%lu", (unsigned long)parent[0]); |
591 |
|
592 |
/* add entries to the environment: |
593 |
* @ DISPLAY: in case we started with -display |
594 |
* @ WINDOWID: X window id number of the window |
595 |
* @ COLORTERM: terminal sub-name and also indicates its color |
596 |
* @ TERM: terminal name |
597 |
* @ TERMINFO: path to terminfo directory |
598 |
* @ COLORFGBG: fg;bg color codes |
599 |
*/ |
600 |
putenv (env_display); |
601 |
putenv (env_windowid); |
602 |
|
603 |
if (env_colorfgbg) |
604 |
putenv (env_colorfgbg); |
605 |
|
606 |
#ifdef RXVT_TERMINFO |
607 |
putenv ("TERMINFO=" RXVT_TERMINFO); |
608 |
#endif |
609 |
|
610 |
if (depth <= 2) |
611 |
putenv ("COLORTERM=" COLORTERMENV "-mono"); |
612 |
else |
613 |
putenv ("COLORTERM=" COLORTERMENVFULL); |
614 |
|
615 |
if (rs[Rs_term_name] != NULL) |
616 |
{ |
617 |
env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6); |
618 |
sprintf (env_term, "TERM=%s", rs[Rs_term_name]); |
619 |
putenv (env_term); |
620 |
} |
621 |
else |
622 |
putenv ("TERM=" TERMENV); |
623 |
|
624 |
#ifdef HAVE_UNSETENV |
625 |
/* avoid passing old settings and confusing term size */ |
626 |
unsetenv ("LINES"); |
627 |
unsetenv ("COLUMNS"); |
628 |
unsetenv ("TERMCAP"); /* terminfo should be okay */ |
629 |
#endif /* HAVE_UNSETENV */ |
630 |
} |
631 |
|
632 |
/*----------------------------------------------------------------------*/ |
633 |
/* |
634 |
* This is more or less stolen straight from XFree86 xterm. |
635 |
* This should support all European type languages. |
636 |
*/ |
637 |
void |
638 |
rxvt_term::set_locale (const char *locale) |
639 |
{ |
640 |
set_environ (envv); |
641 |
|
642 |
#if HAVE_XSETLOCALE || HAVE_SETLOCALE |
643 |
free (this->locale); |
644 |
this->locale = setlocale (LC_CTYPE, locale); |
645 |
|
646 |
if (!this->locale) |
647 |
{ |
648 |
if (*locale) |
649 |
{ |
650 |
rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale); |
651 |
setlocale (LC_CTYPE, "C"); |
652 |
} |
653 |
else |
654 |
rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n"); |
655 |
|
656 |
this->locale = "C"; |
657 |
} |
658 |
|
659 |
|
660 |
this->locale = strdup (this->locale); |
661 |
SET_LOCALE (this->locale); |
662 |
mbstate.reset (); |
663 |
#endif |
664 |
|
665 |
#if HAVE_NL_LANGINFO |
666 |
char *codeset = strdup (nl_langinfo (CODESET)); |
667 |
// /^UTF.?8/i |
668 |
enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u') |
669 |
&& (codeset[1] == 'T' || codeset[1] == 't') |
670 |
&& (codeset[2] == 'F' || codeset[2] == 'f') |
671 |
&& (codeset[3] == '8' || codeset[4] == '8'); |
672 |
free (codeset); |
673 |
#else |
674 |
enc_utf8 = 0; |
675 |
#endif |
676 |
} |
677 |
|
678 |
void |
679 |
rxvt_term::init_xlocale () |
680 |
{ |
681 |
set_environ (envv); |
682 |
|
683 |
#ifdef USE_XIM |
684 |
if (!locale) |
685 |
rxvt_warn ("setting locale failed, working without locale support.\n"); |
686 |
else |
687 |
{ |
688 |
set_string_property (xa[XA_WM_LOCALE_NAME], locale); |
689 |
|
690 |
if (!XSupportsLocale ()) |
691 |
{ |
692 |
rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n"); |
693 |
return; |
694 |
} |
695 |
|
696 |
im_ev.start (display); |
697 |
|
698 |
/* see if we can connect already */ |
699 |
im_cb (); |
700 |
} |
701 |
#endif |
702 |
} |
703 |
|
704 |
/*----------------------------------------------------------------------*/ |
705 |
void |
706 |
rxvt_term::init_command (const char *const *argv) |
707 |
{ |
708 |
/* |
709 |
* Initialize the command connection. |
710 |
* This should be called after the X server connection is established. |
711 |
*/ |
712 |
|
713 |
#ifdef META8_OPTION |
714 |
meta_char = option (Opt_meta8) ? 0x80 : C0_ESC; |
715 |
#endif |
716 |
|
717 |
get_ourmods (); |
718 |
|
719 |
if (!option (Opt_scrollTtyOutput)) |
720 |
priv_modes |= PrivMode_TtyOutputInh; |
721 |
if (option (Opt_scrollTtyKeypress)) |
722 |
priv_modes |= PrivMode_Keypress; |
723 |
if (!option (Opt_jumpScroll)) |
724 |
priv_modes |= PrivMode_smoothScroll; |
725 |
|
726 |
#ifndef NO_BACKSPACE_KEY |
727 |
if (strcmp (rs[Rs_backspace_key], "DEC") == 0) |
728 |
priv_modes |= PrivMode_HaveBackSpace; |
729 |
#endif |
730 |
|
731 |
/* add value for scrollBar */ |
732 |
if (scrollBar.state) |
733 |
{ |
734 |
priv_modes |= PrivMode_scrollBar; |
735 |
SavedModes |= PrivMode_scrollBar; |
736 |
} |
737 |
|
738 |
run_command (argv); |
739 |
} |
740 |
|
741 |
/*----------------------------------------------------------------------*/ |
742 |
void |
743 |
rxvt_term::Get_Colours () |
744 |
{ |
745 |
int i; |
746 |
|
747 |
#ifdef OFF_FOCUS_FADING |
748 |
pix_colors = pix_colors_focused; |
749 |
#endif |
750 |
|
751 |
for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++) |
752 |
{ |
753 |
const char *name = rs[Rs_color + i]; |
754 |
|
755 |
if (!name) |
756 |
continue; |
757 |
|
758 |
rxvt_color xcol; |
759 |
|
760 |
if (!set_color (xcol, name)) |
761 |
{ |
762 |
#ifndef XTERM_REVERSE_VIDEO |
763 |
if (i < 2 && option (Opt_reverseVideo)) |
764 |
name = def_colorName [1 - i]; |
765 |
else |
766 |
#endif |
767 |
name = def_colorName [i]; |
768 |
|
769 |
if (!name) |
770 |
continue; |
771 |
|
772 |
if (!set_color (xcol, name)) |
773 |
{ |
774 |
switch (i) |
775 |
{ |
776 |
case Color_fg: |
777 |
case Color_bg: |
778 |
rxvt_warn ("unable to get foreground/background colour, continuing.\n"); |
779 |
name = ""; |
780 |
break; |
781 |
#ifndef NO_CURSORCOLOR |
782 |
case Color_cursor2: |
783 |
#endif |
784 |
case Color_pointer_fg: |
785 |
name = rs[Rs_color + Color_fg]; |
786 |
xcol.set (this, name); |
787 |
break; |
788 |
default: |
789 |
name = rs[Rs_color + Color_bg]; |
790 |
xcol.set (this, name); |
791 |
break; |
792 |
} |
793 |
} |
794 |
} |
795 |
|
796 |
pix_colors[i] = xcol; |
797 |
rs[Rs_color + i] = name; |
798 |
} |
799 |
|
800 |
if (depth <= 2) |
801 |
{ |
802 |
if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg); |
803 |
if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg); |
804 |
if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg); |
805 |
} |
806 |
|
807 |
/* |
808 |
* get scrollBar shadow colors |
809 |
* |
810 |
* The calculations of topShadow/bottomShadow values are adapted |
811 |
* from the fvwm window manager. |
812 |
*/ |
813 |
#ifdef KEEP_SCROLLCOLOR |
814 |
if (depth <= 2) |
815 |
{ |
816 |
/* Monochrome */ |
817 |
alias_color (Color_scroll, Color_fg); |
818 |
alias_color (Color_topShadow, Color_bg); |
819 |
alias_color (Color_bottomShadow, Color_bg); |
820 |
} |
821 |
else |
822 |
{ |
823 |
pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]); |
824 |
|
825 |
rgba cscroll; |
826 |
pix_colors [Color_scroll].get (cscroll); |
827 |
|
828 |
/* topShadowColor */ |
829 |
if (!pix_colors[Color_topShadow].set (this, |
830 |
rgba ( |
831 |
min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5), |
832 |
min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5), |
833 |
min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5), |
834 |
cscroll.a) |
835 |
)) |
836 |
alias_color (Color_topShadow, Color_White); |
837 |
} |
838 |
#endif /* KEEP_SCROLLCOLOR */ |
839 |
|
840 |
#ifdef OFF_FOCUS_FADING |
841 |
for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++) |
842 |
update_fade_color (i); |
843 |
#endif |
844 |
} |
845 |
|
846 |
/*----------------------------------------------------------------------*/ |
847 |
/* color aliases, fg/bg bright-bold */ |
848 |
void |
849 |
rxvt_term::color_aliases (int idx) |
850 |
{ |
851 |
if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx]))) |
852 |
{ |
853 |
int i = atoi (rs[Rs_color + idx]); |
854 |
|
855 |
if (i >= 8 && i <= 15) |
856 |
/* bright colors */ |
857 |
rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i - 8]; |
858 |
else if (i >= 0 && i <= 7) |
859 |
/* normal colors */ |
860 |
rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i]; |
861 |
} |
862 |
} |
863 |
|
864 |
/*----------------------------------------------------------------------*/ |
865 |
/* |
866 |
* Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings |
867 |
* Use resource ``modifier'' to override the Meta modifier |
868 |
*/ |
869 |
void |
870 |
rxvt_term::get_ourmods () |
871 |
{ |
872 |
int i, j, k; |
873 |
int requestedmeta, realmeta, realalt; |
874 |
const char *cm, *rsmod; |
875 |
XModifierKeymap *map; |
876 |
KeyCode *kc; |
877 |
const unsigned int modmasks[] = |
878 |
{ |
879 |
Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask |
880 |
}; |
881 |
|
882 |
requestedmeta = realmeta = realalt = 0; |
883 |
rsmod = rs[Rs_modifier]; |
884 |
|
885 |
if (rsmod |
886 |
&& strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0) |
887 |
requestedmeta = rsmod[3] - '0'; |
888 |
|
889 |
map = XGetModifierMapping (dpy); |
890 |
kc = map->modifiermap; |
891 |
|
892 |
for (i = 1; i < 6; i++) |
893 |
{ |
894 |
k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */ |
895 |
|
896 |
for (j = map->max_keypermod; j--; k++) |
897 |
{ |
898 |
if (kc[k] == 0) |
899 |
break; |
900 |
|
901 |
switch (XKeycodeToKeysym (dpy, kc[k], 0)) |
902 |
{ |
903 |
case XK_Num_Lock: |
904 |
ModNumLockMask = modmasks[i - 1]; |
905 |
continue; |
906 |
|
907 |
case XK_ISO_Level3_Shift: |
908 |
ModLevel3Mask = modmasks[i - 1]; |
909 |
continue; |
910 |
|
911 |
case XK_Meta_L: |
912 |
case XK_Meta_R: |
913 |
cm = "meta"; |
914 |
realmeta = i; |
915 |
break; |
916 |
|
917 |
case XK_Alt_L: |
918 |
case XK_Alt_R: |
919 |
cm = "alt"; |
920 |
realalt = i; |
921 |
break; |
922 |
|
923 |
case XK_Super_L: |
924 |
case XK_Super_R: |
925 |
cm = "super"; |
926 |
break; |
927 |
|
928 |
case XK_Hyper_L: |
929 |
case XK_Hyper_R: |
930 |
cm = "hyper"; |
931 |
break; |
932 |
|
933 |
default: |
934 |
continue; |
935 |
} |
936 |
|
937 |
if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0) |
938 |
requestedmeta = i; |
939 |
} |
940 |
} |
941 |
|
942 |
XFreeModifiermap (map); |
943 |
|
944 |
i = requestedmeta ? requestedmeta |
945 |
: realmeta ? realmeta |
946 |
: realalt ? realalt |
947 |
: 0; |
948 |
|
949 |
if (i) |
950 |
ModMetaMask = modmasks[i - 1]; |
951 |
} |
952 |
|
953 |
/*----------------------------------------------------------------------*/ |
954 |
/* rxvt_Create_Windows () - Open and map the window */ |
955 |
void |
956 |
rxvt_term::create_windows (int argc, const char *const *argv) |
957 |
{ |
958 |
XClassHint classHint; |
959 |
XWMHints wmHint; |
960 |
#if ENABLE_FRILLS |
961 |
MWMHints mwmhints = { }; |
962 |
#endif |
963 |
XGCValues gcvalue; |
964 |
XSetWindowAttributes attributes; |
965 |
Window top, parent; |
966 |
|
967 |
dLocal (Display *, dpy); |
968 |
|
969 |
/* grab colors before netscape does */ |
970 |
Get_Colours (); |
971 |
|
972 |
if (!set_fonts ()) |
973 |
rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n"); |
974 |
|
975 |
parent = display->root; |
976 |
|
977 |
attributes.override_redirect = !!option (Opt_override_redirect); |
978 |
|
979 |
#if ENABLE_FRILLS |
980 |
if (option (Opt_borderLess)) |
981 |
{ |
982 |
if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None) |
983 |
{ |
984 |
// rxvt_warn("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n"); |
985 |
attributes.override_redirect = true; |
986 |
} |
987 |
else |
988 |
{ |
989 |
mwmhints.flags = MWM_HINTS_DECORATIONS; |
990 |
} |
991 |
} |
992 |
#endif |
993 |
|
994 |
#if ENABLE_XEMBED |
995 |
if (rs[Rs_embed]) |
996 |
{ |
997 |
XWindowAttributes wattr; |
998 |
|
999 |
parent = strtol (rs[Rs_embed], 0, 0); |
1000 |
|
1001 |
if (!XGetWindowAttributes (dpy, parent, &wattr)) |
1002 |
rxvt_fatal ("invalid window-id specified with -embed, aborting.\n"); |
1003 |
|
1004 |
window_calc (wattr.width, wattr.height); |
1005 |
} |
1006 |
#endif |
1007 |
|
1008 |
window_calc (0, 0); |
1009 |
|
1010 |
/* sub-window placement & size in rxvt_resize_subwindows () */ |
1011 |
attributes.background_pixel = pix_colors_focused [Color_border]; |
1012 |
attributes.border_pixel = pix_colors_focused [Color_border]; |
1013 |
attributes.colormap = cmap; |
1014 |
|
1015 |
top = XCreateWindow (dpy, parent, |
1016 |
szHint.x, szHint.y, |
1017 |
szHint.width, szHint.height, |
1018 |
ext_bwidth, |
1019 |
depth, InputOutput, visual, |
1020 |
CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect, |
1021 |
&attributes); |
1022 |
|
1023 |
this->parent[0] = top; |
1024 |
|
1025 |
old_width = szHint.width; |
1026 |
old_height = szHint.height; |
1027 |
|
1028 |
process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST); |
1029 |
process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST); |
1030 |
|
1031 |
classHint.res_name = (char *)rs[Rs_name]; |
1032 |
classHint.res_class = (char *)RESCLASS; |
1033 |
|
1034 |
wmHint.flags = InputHint | StateHint | WindowGroupHint; |
1035 |
wmHint.input = True; |
1036 |
wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState; |
1037 |
wmHint.window_group = top; |
1038 |
|
1039 |
XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc, |
1040 |
&szHint, &wmHint, &classHint); |
1041 |
|
1042 |
#if ENABLE_FRILLS |
1043 |
if (mwmhints.flags) |
1044 |
XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32, |
1045 |
PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS); |
1046 |
#endif |
1047 |
|
1048 |
Atom protocols[] = { |
1049 |
xa[XA_WM_DELETE_WINDOW], |
1050 |
#if ENABLE_EWMH |
1051 |
xa[XA_NET_WM_PING], |
1052 |
#endif |
1053 |
}; |
1054 |
|
1055 |
XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0])); |
1056 |
|
1057 |
#if ENABLE_FRILLS |
1058 |
if (rs[Rs_transient_for]) |
1059 |
XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0)); |
1060 |
#endif |
1061 |
|
1062 |
#if ENABLE_EWMH |
1063 |
long pid = getpid (); |
1064 |
|
1065 |
XChangeProperty (dpy, top, |
1066 |
xa[XA_NET_WM_PID], XA_CARDINAL, 32, |
1067 |
PropModeReplace, (unsigned char *)&pid, 1); |
1068 |
|
1069 |
// _NET_WM_WINDOW_TYPE is NORMAL, which is the default |
1070 |
#endif |
1071 |
|
1072 |
XSelectInput (dpy, top, |
1073 |
KeyPressMask |
1074 |
#if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755 |
1075 |
| KeyReleaseMask |
1076 |
#endif |
1077 |
| FocusChangeMask | VisibilityChangeMask |
1078 |
| ExposureMask | StructureNotifyMask); |
1079 |
|
1080 |
termwin_ev.start (display, top); |
1081 |
|
1082 |
/* vt cursor: Black-on-White is standard, but this is more popular */ |
1083 |
TermWin_cursor = XCreateFontCursor (dpy, XC_xterm); |
1084 |
|
1085 |
#ifdef HAVE_SCROLLBARS |
1086 |
/* cursor scrollBar: Black-on-White */ |
1087 |
leftptr_cursor = XCreateFontCursor (dpy, XC_left_ptr); |
1088 |
#endif |
1089 |
|
1090 |
/* the vt window */ |
1091 |
vt = XCreateSimpleWindow (dpy, top, |
1092 |
window_vt_x, window_vt_y, |
1093 |
width, height, |
1094 |
0, |
1095 |
pix_colors_focused[Color_fg], |
1096 |
pix_colors_focused[Color_bg]); |
1097 |
|
1098 |
attributes.bit_gravity = NorthWestGravity; |
1099 |
XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes); |
1100 |
|
1101 |
vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask; |
1102 |
|
1103 |
if (option (Opt_pointerBlank)) |
1104 |
vt_emask |= PointerMotionMask; |
1105 |
else |
1106 |
vt_emask |= Button1MotionMask | Button3MotionMask; |
1107 |
|
1108 |
vt_select_input (); |
1109 |
|
1110 |
vt_ev.start (display, vt); |
1111 |
|
1112 |
/* graphics context for the vt window */ |
1113 |
gcvalue.foreground = pix_colors[Color_fg]; |
1114 |
gcvalue.background = pix_colors[Color_bg]; |
1115 |
gcvalue.graphics_exposures = 0; |
1116 |
|
1117 |
gc = XCreateGC (dpy, vt, |
1118 |
GCForeground | GCBackground | GCGraphicsExposures, |
1119 |
&gcvalue); |
1120 |
|
1121 |
drawable = new rxvt_drawable (this, vt); |
1122 |
|
1123 |
#ifdef RXVT_SCROLLBAR |
1124 |
gcvalue.foreground = pix_colors[Color_topShadow]; |
1125 |
topShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue); |
1126 |
gcvalue.foreground = pix_colors[Color_bottomShadow]; |
1127 |
botShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue); |
1128 |
gcvalue.foreground = pix_colors[ (depth <= 2 ? Color_fg : Color_scroll)]; |
1129 |
scrollbarGC = XCreateGC (dpy, vt, GCForeground, &gcvalue); |
1130 |
#endif |
1131 |
|
1132 |
#ifdef OFF_FOCUS_FADING |
1133 |
// initially we are in unfocused state |
1134 |
if (rs[Rs_fade]) |
1135 |
pix_colors = pix_colors_unfocused; |
1136 |
#endif |
1137 |
|
1138 |
pointer_unblank (); |
1139 |
scr_recolour (); |
1140 |
} |
1141 |
|
1142 |
/* ------------------------------------------------------------------------- * |
1143 |
* GET TTY CURRENT STATE * |
1144 |
* ------------------------------------------------------------------------- */ |
1145 |
void |
1146 |
rxvt_get_ttymode (ttymode_t *tio, int erase) |
1147 |
{ |
1148 |
/* |
1149 |
* standard System V termios interface |
1150 |
*/ |
1151 |
if (GET_TERMIOS (STDIN_FILENO, tio) < 0) |
1152 |
{ |
1153 |
// return error - use system defaults, |
1154 |
// where possible, and zero elsewhere |
1155 |
memset (tio, 0, sizeof (ttymode_t)); |
1156 |
|
1157 |
tio->c_cc[VINTR] = CINTR; |
1158 |
tio->c_cc[VQUIT] = CQUIT; |
1159 |
tio->c_cc[VERASE] = CERASE; |
1160 |
#ifdef VERASE2 |
1161 |
tio->c_cc[VERASE2] = CERASE2; |
1162 |
#endif |
1163 |
tio->c_cc[VKILL] = CKILL; |
1164 |
tio->c_cc[VSTART] = CSTART; |
1165 |
tio->c_cc[VSTOP] = CSTOP; |
1166 |
tio->c_cc[VSUSP] = CSUSP; |
1167 |
# ifdef VDSUSP |
1168 |
tio->c_cc[VDSUSP] = CDSUSP; |
1169 |
# endif |
1170 |
# ifdef VREPRINT |
1171 |
tio->c_cc[VREPRINT] = CRPRNT; |
1172 |
# endif |
1173 |
# ifdef VDISCRD |
1174 |
tio->c_cc[VDISCRD] = CFLUSH; |
1175 |
# endif |
1176 |
# ifdef VWERSE |
1177 |
tio->c_cc[VWERSE] = CWERASE; |
1178 |
# endif |
1179 |
# ifdef VLNEXT |
1180 |
tio->c_cc[VLNEXT] = CLNEXT; |
1181 |
# endif |
1182 |
} |
1183 |
|
1184 |
tio->c_cc[VEOF] = CEOF; |
1185 |
tio->c_cc[VEOL] = VDISABLE; |
1186 |
# ifdef VEOL2 |
1187 |
tio->c_cc[VEOL2] = VDISABLE; |
1188 |
# endif |
1189 |
# ifdef VSWTC |
1190 |
tio->c_cc[VSWTC] = VDISABLE; |
1191 |
# endif |
1192 |
# ifdef VSWTCH |
1193 |
tio->c_cc[VSWTCH] = VDISABLE; |
1194 |
# endif |
1195 |
# if VMIN != VEOF |
1196 |
tio->c_cc[VMIN] = 1; |
1197 |
# endif |
1198 |
# if VTIME != VEOL |
1199 |
tio->c_cc[VTIME] = 0; |
1200 |
# endif |
1201 |
|
1202 |
if (erase != -1) |
1203 |
tio->c_cc[VERASE] = (char)erase; |
1204 |
|
1205 |
/* input modes */ |
1206 |
tio->c_iflag = (BRKINT | IGNPAR | ICRNL |
1207 |
# ifdef IMAXBEL |
1208 |
| IMAXBEL |
1209 |
# endif |
1210 |
| IXON); |
1211 |
|
1212 |
/* output modes */ |
1213 |
tio->c_oflag = (OPOST | ONLCR); |
1214 |
|
1215 |
/* control modes */ |
1216 |
tio->c_cflag = (CS8 | CREAD); |
1217 |
|
1218 |
/* line discipline modes */ |
1219 |
tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO |
1220 |
# if defined (ECHOCTL) && defined (ECHOKE) |
1221 |
| ECHOCTL | ECHOKE |
1222 |
# endif |
1223 |
| ECHOE | ECHOK); |
1224 |
|
1225 |
/* |
1226 |
* Debugging |
1227 |
*/ |
1228 |
#ifdef DEBUG_TTYMODE |
1229 |
/* c_iflag bits */ |
1230 |
fprintf (stderr, "Input flags\n"); |
1231 |
|
1232 |
/* cpp token stringize doesn't work on all machines <sigh> */ |
1233 |
# define FOO(flag,name) \ |
1234 |
if ((tio->c_iflag) & flag) \ |
1235 |
fprintf (stderr, "%s ", name) |
1236 |
|
1237 |
/* c_iflag bits */ |
1238 |
FOO (IGNBRK, "IGNBRK"); |
1239 |
FOO (BRKINT, "BRKINT"); |
1240 |
FOO (IGNPAR, "IGNPAR"); |
1241 |
FOO (PARMRK, "PARMRK"); |
1242 |
FOO (INPCK, "INPCK"); |
1243 |
FOO (ISTRIP, "ISTRIP"); |
1244 |
FOO (INLCR, "INLCR"); |
1245 |
FOO (IGNCR, "IGNCR"); |
1246 |
FOO (ICRNL, "ICRNL"); |
1247 |
FOO (IXON, "IXON"); |
1248 |
FOO (IXOFF, "IXOFF"); |
1249 |
# ifdef IUCLC |
1250 |
FOO (IUCLC, "IUCLC"); |
1251 |
# endif |
1252 |
# ifdef IXANY |
1253 |
FOO (IXANY, "IXANY"); |
1254 |
# endif |
1255 |
# ifdef IMAXBEL |
1256 |
FOO (IMAXBEL, "IMAXBEL"); |
1257 |
# endif |
1258 |
|
1259 |
fprintf (stderr, "\n"); |
1260 |
|
1261 |
# undef FOO |
1262 |
# define FOO(entry, name) \ |
1263 |
fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry]) |
1264 |
|
1265 |
FOO (VINTR, "VINTR"); |
1266 |
FOO (VQUIT, "VQUIT"); |
1267 |
FOO (VERASE, "VERASE"); |
1268 |
FOO (VKILL, "VKILL"); |
1269 |
FOO (VEOF, "VEOF"); |
1270 |
FOO (VEOL, "VEOL"); |
1271 |
# ifdef VEOL2 |
1272 |
FOO (VEOL2, "VEOL2"); |
1273 |
# endif |
1274 |
# ifdef VSWTC |
1275 |
FOO (VSWTC, "VSWTC"); |
1276 |
# endif |
1277 |
# ifdef VSWTCH |
1278 |
FOO (VSWTCH, "VSWTCH"); |
1279 |
# endif |
1280 |
FOO (VSTART, "VSTART"); |
1281 |
FOO (VSTOP, "VSTOP"); |
1282 |
FOO (VSUSP, "VSUSP"); |
1283 |
# ifdef VDSUSP |
1284 |
FOO (VDSUSP, "VDSUSP"); |
1285 |
# endif |
1286 |
# ifdef VREPRINT |
1287 |
FOO (VREPRINT, "VREPRINT"); |
1288 |
# endif |
1289 |
# ifdef VDISCRD |
1290 |
FOO (VDISCRD, "VDISCRD"); |
1291 |
# endif |
1292 |
# ifdef VWERSE |
1293 |
FOO (VWERSE, "VWERSE"); |
1294 |
# endif |
1295 |
# ifdef VLNEXT |
1296 |
FOO (VLNEXT, "VLNEXT"); |
1297 |
# endif |
1298 |
|
1299 |
fprintf (stderr, "\n"); |
1300 |
# undef FOO |
1301 |
#endif /* DEBUG_TTYMODE */ |
1302 |
} |
1303 |
|
1304 |
/*----------------------------------------------------------------------*/ |
1305 |
/* |
1306 |
* Run the command in a subprocess and return a file descriptor for the |
1307 |
* master end of the pseudo-teletype pair with the command talking to |
1308 |
* the slave. |
1309 |
*/ |
1310 |
void |
1311 |
rxvt_term::run_command (const char *const *argv) |
1312 |
{ |
1313 |
#if ENABLE_FRILLS |
1314 |
if (rs[Rs_pty_fd]) |
1315 |
{ |
1316 |
pty->pty = atoi (rs[Rs_pty_fd]); |
1317 |
|
1318 |
if (pty->pty >= 0) |
1319 |
{ |
1320 |
if (getfd_hook) |
1321 |
pty->pty = (*getfd_hook) (pty->pty); |
1322 |
|
1323 |
if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK)) |
1324 |
rxvt_fatal ("unusable pty-fd filehandle, aborting.\n"); |
1325 |
} |
1326 |
} |
1327 |
else |
1328 |
#endif |
1329 |
if (!pty->get ()) |
1330 |
rxvt_fatal ("can't initialize pseudo-tty, aborting.\n"); |
1331 |
|
1332 |
int er; |
1333 |
|
1334 |
#ifndef NO_BACKSPACE_KEY |
1335 |
if (rs[Rs_backspace_key][0] && !rs[Rs_backspace_key][1]) |
1336 |
er = rs[Rs_backspace_key][0]; |
1337 |
else if (strcmp (rs[Rs_backspace_key], "DEC") == 0) |
1338 |
er = '\177'; /* the initial state anyway */ |
1339 |
else |
1340 |
#endif |
1341 |
er = -1; |
1342 |
|
1343 |
rxvt_get_ttymode (&tio, er); |
1344 |
SET_TERMIOS (pty->tty, &tio); /* init terminal attributes */ |
1345 |
pty->set_utf8_mode (enc_utf8); |
1346 |
|
1347 |
/* set initial window size */ |
1348 |
tt_winch (); |
1349 |
|
1350 |
#if ENABLE_FRILLS |
1351 |
if (rs[Rs_pty_fd]) |
1352 |
return; |
1353 |
#endif |
1354 |
|
1355 |
/* spin off the command interpreter */ |
1356 |
switch (cmd_pid = fork ()) |
1357 |
{ |
1358 |
case -1: |
1359 |
{ |
1360 |
cmd_pid = 0; |
1361 |
rxvt_fatal ("can't fork, aborting.\n"); |
1362 |
} |
1363 |
case 0: |
1364 |
init_env (); |
1365 |
|
1366 |
if (!pty->make_controlling_tty ()) |
1367 |
fprintf (stderr, "%s: could not obtain control of tty.", RESNAME); |
1368 |
else |
1369 |
{ |
1370 |
/* Reopen stdin, stdout and stderr over the tty file descriptor */ |
1371 |
dup2 (pty->tty, STDIN_FILENO); |
1372 |
dup2 (pty->tty, STDOUT_FILENO); |
1373 |
dup2 (pty->tty, STDERR_FILENO); |
1374 |
|
1375 |
// close all our file handles that we do no longer need |
1376 |
for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++) |
1377 |
{ |
1378 |
if ((*t)->pty->pty > 2) close ((*t)->pty->pty); |
1379 |
if ((*t)->pty->tty > 2) close ((*t)->pty->tty); |
1380 |
} |
1381 |
|
1382 |
run_child (argv); |
1383 |
fprintf (stderr, "%s: unable to exec child.", RESNAME); |
1384 |
} |
1385 |
|
1386 |
_exit (EXIT_FAILURE); |
1387 |
|
1388 |
default: |
1389 |
if (!option (Opt_utmpInhibit)) |
1390 |
pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]); |
1391 |
|
1392 |
pty->close_tty (); |
1393 |
|
1394 |
child_ev.start (cmd_pid); |
1395 |
|
1396 |
HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END)); |
1397 |
break; |
1398 |
} |
1399 |
} |
1400 |
|
1401 |
/* ------------------------------------------------------------------------- * |
1402 |
* CHILD PROCESS OPERATIONS * |
1403 |
* ------------------------------------------------------------------------- */ |
1404 |
/* |
1405 |
* The only open file descriptor is the slave tty - so no error messages. |
1406 |
* returns are fatal |
1407 |
*/ |
1408 |
int |
1409 |
rxvt_term::run_child (const char *const *argv) |
1410 |
{ |
1411 |
char *login; |
1412 |
|
1413 |
if (option (Opt_console)) |
1414 |
{ |
1415 |
/* be virtual console, fail silently */ |
1416 |
#ifdef TIOCCONS |
1417 |
unsigned int on = 1; |
1418 |
|
1419 |
ioctl (STDIN_FILENO, TIOCCONS, &on); |
1420 |
#elif defined (SRIOCSREDIR) |
1421 |
int fd; |
1422 |
|
1423 |
fd = open (CONSOLE, O_WRONLY, 0); |
1424 |
if (fd >= 0) |
1425 |
if (ioctl (fd, SRIOCSREDIR, NULL) < 0) |
1426 |
close (fd); |
1427 |
#endif /* SRIOCSREDIR */ |
1428 |
} |
1429 |
|
1430 |
/* reset signals and spin off the command interpreter */ |
1431 |
signal (SIGINT, SIG_DFL); |
1432 |
signal (SIGQUIT, SIG_DFL); |
1433 |
signal (SIGCHLD, SIG_DFL); |
1434 |
signal (SIGHUP, SIG_DFL); |
1435 |
signal (SIGPIPE, SIG_DFL); |
1436 |
/* |
1437 |
* mimick login's behavior by disabling the job control signals |
1438 |
* a shell that wants them can turn them back on |
1439 |
*/ |
1440 |
#ifdef SIGTSTP |
1441 |
signal (SIGTSTP, SIG_IGN); |
1442 |
signal (SIGTTIN, SIG_IGN); |
1443 |
signal (SIGTTOU, SIG_IGN); |
1444 |
#endif /* SIGTSTP */ |
1445 |
|
1446 |
// unblock signals (signals are blocked by iom.C |
1447 |
sigset_t ss; |
1448 |
sigemptyset (&ss); |
1449 |
sigprocmask (SIG_SETMASK, &ss, 0); |
1450 |
|
1451 |
/* command interpreter path */ |
1452 |
if (argv) |
1453 |
{ |
1454 |
# ifdef DEBUG_CMD |
1455 |
int i; |
1456 |
|
1457 |
for (i = 0; argv[i]; i++) |
1458 |
fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]); |
1459 |
# endif |
1460 |
|
1461 |
execvp (argv[0], (char *const *)argv); |
1462 |
/* no error message: STDERR is closed! */ |
1463 |
} |
1464 |
else |
1465 |
{ |
1466 |
const char *argv0, *shell; |
1467 |
|
1468 |
if ((shell = getenv ("SHELL")) == NULL || *shell == '\0') |
1469 |
shell = "/bin/sh"; |
1470 |
|
1471 |
argv0 = (const char *)rxvt_basename (shell); |
1472 |
|
1473 |
if (option (Opt_loginShell)) |
1474 |
{ |
1475 |
login = (char *)rxvt_malloc (strlen (argv0) + 2); |
1476 |
|
1477 |
login[0] = '-'; |
1478 |
strcpy (&login[1], argv0); |
1479 |
argv0 = login; |
1480 |
} |
1481 |
|
1482 |
execlp (shell, argv0, (char *)0); |
1483 |
/* no error message: STDERR is closed! */ |
1484 |
} |
1485 |
|
1486 |
return -1; |
1487 |
} |
1488 |
|
1489 |
/*----------------------- end-of-file (C source) -----------------------*/ |