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Revision: 1.253
Committed: Tue Jul 15 16:41:22 2008 UTC (15 years, 10 months ago) by root
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Branch: MAIN
Changes since 1.252: +0 -5 lines
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# Content
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) 2003-2008 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 #include "keyboard.h"
40
41 #include <limits>
42
43 #include <csignal>
44
45 #include <fcntl.h>
46
47 #ifdef HAVE_XSETLOCALE
48 # define X_LOCALE
49 # include <X11/Xlocale.h>
50 #else
51 # ifdef HAVE_SETLOCALE
52 # include <clocale>
53 # endif
54 #endif
55
56 #ifdef HAVE_NL_LANGINFO
57 # include <langinfo.h>
58 #endif
59
60 #ifdef DISPLAY_IS_IP
61 /* On Solaris link with -lsocket and -lnsl */
62 #include <sys/types.h>
63 #include <sys/socket.h>
64
65 /* these next two are probably only on Sun (not Solaris) */
66 #ifdef HAVE_SYS_SOCKIO_H
67 #include <sys/sockio.h>
68 #endif
69 #ifdef HAVE_SYS_BYTEORDER_H
70 #include <sys/byteorder.h>
71 #endif
72
73 #include <netinet/in.h>
74 #include <arpa/inet.h>
75 #include <net/if.h>
76 #include <net/if_arp.h>
77
78 static char *
79 rxvt_network_display (const char *display)
80 {
81 char buffer[1024], *rval = NULL;
82 struct ifconf ifc;
83 struct ifreq *ifr;
84 int i, skfd;
85
86 if (display[0] != ':' && strncmp (display, "unix:", 5))
87 return (char *) display; /* nothing to do */
88
89 ifc.ifc_len = sizeof (buffer); /* Get names of all ifaces */
90 ifc.ifc_buf = buffer;
91
92 if ((skfd = socket (AF_INET, SOCK_DGRAM, 0)) < 0)
93 {
94 perror ("socket");
95 return NULL;
96 }
97
98 if (ioctl (skfd, SIOCGIFCONF, &ifc) < 0)
99 {
100 perror ("SIOCGIFCONF");
101 close (skfd);
102 return NULL;
103 }
104
105 for (i = 0, ifr = ifc.ifc_req;
106 i < (ifc.ifc_len / sizeof (struct ifreq));
107 i++, ifr++)
108 {
109 struct ifreq ifr2;
110
111 strcpy (ifr2.ifr_name, ifr->ifr_name);
112
113 if (ioctl (skfd, SIOCGIFADDR, &ifr2) >= 0)
114 {
115 unsigned long addr;
116 struct sockaddr_in *p_addr;
117
118 p_addr = (struct sockaddr_in *) &ifr2.ifr_addr;
119 addr = htonl ((unsigned long)p_addr->sin_addr.s_addr);
120
121 /*
122 * not "0.0.0.0" or "127.0.0.1" - so format the address
123 */
124 if (addr && addr != 0x7F000001)
125 {
126 char *colon = strchr (display, ':');
127
128 if (colon == NULL)
129 colon = ":0.0";
130
131 rval = rxvt_malloc (strlen (colon) + 16);
132 sprintf (rval, "%d.%d.%d.%d%s",
133 (int) ((addr >> 030) & 0xFF),
134 (int) ((addr >> 020) & 0xFF),
135 (int) ((addr >> 010) & 0xFF),
136 (int) (addr & 0xFF), colon);
137 break;
138 }
139 }
140 }
141
142 close (skfd);
143
144 return rval;
145 }
146 #endif
147
148 const char *const def_colorName[] =
149 {
150 COLOR_FOREGROUND,
151 COLOR_BACKGROUND,
152 /* low-intensity colors */
153 "rgb:00/00/00", // 0: black (Black)
154 "rgb:cd/00/00", // 1: red (Red3)
155 "rgb:00/cd/00", // 2: green (Green3)
156 "rgb:cd/cd/00", // 3: yellow (Yellow3)
157 "rgb:00/00/cd", // 4: blue (Blue3)
158 "rgb:cd/00/cd", // 5: magenta (Magenta3)
159 "rgb:00/cd/cd", // 6: cyan (Cyan3)
160 # ifdef XTERM_COLORS
161 "rgb:e5/e5/e5", // 7: white (Grey90)
162 # else
163 "rgb:fa/eb/d7", // 7: white (AntiqueWhite)
164 # endif
165 /* high-intensity colors */
166 # ifdef XTERM_COLORS
167 "rgb:4d/4d/4d", // 8: bright black (Grey30)
168 # else
169 "rgb:40/40/40", // 8: bright black (Grey25)
170 # endif
171 "rgb:ff/00/00", // 1/9: bright red (Reed)
172 "rgb:00/ff/00", // 2/10: bright green (Green)
173 "rgb:ff/ff/00", // 3/11: bright yellow (Yellow)
174 "rgb:00/00/ff", // 4/12: bright blue (Blue)
175 "rgb:ff/00/ff", // 5/13: bright magenta (Magenta)
176 "rgb:00/ff/ff", // 6/14: bright cyan (Cyan)
177 "rgb:ff/ff/ff", // 7/15: bright white (White)
178
179 // 88 xterm colours
180 "rgb:00/00/00",
181 "rgb:00/00/8b",
182 "rgb:00/00/cd",
183 "rgb:00/00/ff",
184 "rgb:00/8b/00",
185 "rgb:00/8b/8b",
186 "rgb:00/8b/cd",
187 "rgb:00/8b/ff",
188 "rgb:00/cd/00",
189 "rgb:00/cd/8b",
190 "rgb:00/cd/cd",
191 "rgb:00/cd/ff",
192 "rgb:00/ff/00",
193 "rgb:00/ff/8b",
194 "rgb:00/ff/cd",
195 "rgb:00/ff/ff",
196 "rgb:8b/00/00",
197 "rgb:8b/00/8b",
198 "rgb:8b/00/cd",
199 "rgb:8b/00/ff",
200 "rgb:8b/8b/00",
201 "rgb:8b/8b/8b",
202 "rgb:8b/8b/cd",
203 "rgb:8b/8b/ff",
204 "rgb:8b/cd/00",
205 "rgb:8b/cd/8b",
206 "rgb:8b/cd/cd",
207 "rgb:8b/cd/ff",
208 "rgb:8b/ff/00",
209 "rgb:8b/ff/8b",
210 "rgb:8b/ff/cd",
211 "rgb:8b/ff/ff",
212 "rgb:cd/00/00",
213 "rgb:cd/00/8b",
214 "rgb:cd/00/cd",
215 "rgb:cd/00/ff",
216 "rgb:cd/8b/00",
217 "rgb:cd/8b/8b",
218 "rgb:cd/8b/cd",
219 "rgb:cd/8b/ff",
220 "rgb:cd/cd/00",
221 "rgb:cd/cd/8b",
222 "rgb:cd/cd/cd",
223 "rgb:cd/cd/ff",
224 "rgb:cd/ff/00",
225 "rgb:cd/ff/8b",
226 "rgb:cd/ff/cd",
227 "rgb:cd/ff/ff",
228 "rgb:ff/00/00",
229 "rgb:ff/00/8b",
230 "rgb:ff/00/cd",
231 "rgb:ff/00/ff",
232 "rgb:ff/8b/00",
233 "rgb:ff/8b/8b",
234 "rgb:ff/8b/cd",
235 "rgb:ff/8b/ff",
236 "rgb:ff/cd/00",
237 "rgb:ff/cd/8b",
238 "rgb:ff/cd/cd",
239 "rgb:ff/cd/ff",
240 "rgb:ff/ff/00",
241 "rgb:ff/ff/8b",
242 "rgb:ff/ff/cd",
243 "rgb:ff/ff/ff",
244 "rgb:2e/2e/2e",
245 "rgb:5c/5c/5c",
246 "rgb:73/73/73",
247 "rgb:8b/8b/8b",
248 "rgb:a2/a2/a2",
249 "rgb:b9/b9/b9",
250 "rgb:d0/d0/d0",
251 "rgb:e7/e7/e7",
252
253 #ifndef NO_CURSORCOLOR
254 COLOR_CURSOR_BACKGROUND,
255 COLOR_CURSOR_FOREGROUND,
256 #endif /* ! NO_CURSORCOLOR */
257 NULL, /* Color_pointer_fg */
258 NULL, /* Color_pointer_bg */
259 NULL, /* Color_border */
260 #ifndef NO_BOLD_UNDERLINE_REVERSE
261 NULL, /* Color_BD */
262 NULL, /* Color_IT */
263 NULL, /* Color_UL */
264 NULL, /* Color_RV */
265 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
266 #if ENABLE_FRILLS
267 NULL, // Color_underline
268 #endif
269 #ifdef OPTION_HC
270 NULL,
271 #endif
272 COLOR_SCROLLBAR,
273 #ifdef RXVT_SCROLLBAR
274 COLOR_SCROLLTROUGH,
275 #endif
276 #if ENABLE_TRANSPARENCY
277 NULL,
278 #endif
279 #if OFF_FOCUS_FADING
280 "rgb:00/00/00",
281 #endif
282 };
283
284 void
285 rxvt_term::init_vars ()
286 {
287 pix_colors = pix_colors_focused;
288
289 MEvent.time = CurrentTime;
290 MEvent.button = AnyButton;
291 want_refresh = 1;
292 priv_modes = SavedModes = PrivMode_Default;
293 ncol = 80;
294 nrow = 24;
295 int_bwidth = INTERNALBORDERWIDTH;
296 ext_bwidth = EXTERNALBORDERWIDTH;
297 lineSpace = LINESPACE;
298 saveLines = SAVELINES;
299
300 refresh_type = SLOW_REFRESH;
301
302 oldcursor.row = oldcursor.col = -1;
303
304 set_option (Opt_scrollBar);
305 set_option (Opt_scrollTtyOutput);
306 set_option (Opt_jumpScroll);
307 set_option (Opt_skipScroll);
308 set_option (Opt_secondaryScreen);
309 set_option (Opt_secondaryScroll);
310 set_option (Opt_pastableTabs);
311 set_option (Opt_intensityStyles);
312 set_option (Opt_iso14755_52);
313 set_option (Opt_buffered);
314 }
315
316 static void
317 init_secondary ()
318 {
319 int i;
320
321 if ((i = open ("/dev/null", O_RDONLY)) < 0)
322 {
323 dup2 (STDERR_FILENO, STDIN_FILENO);
324 }
325 else if (i != STDIN_FILENO)
326 {
327 dup2 (i, STDIN_FILENO);
328 close (i);
329 }
330
331 dup2 (STDERR_FILENO, STDOUT_FILENO);
332 }
333
334 /*----------------------------------------------------------------------*/
335 const char **
336 rxvt_term::init_resources (int argc, const char *const *argv)
337 {
338 int i, r_argc;
339 const char **cmd_argv, **r_argv;
340
341 /*
342 * Look for -e option. Find => split and make cmd_argv[] of command args
343 */
344 for (r_argc = 0; r_argc < argc; r_argc++)
345 if (!strcmp (argv[r_argc], "-e"))
346 break;
347
348 if (r_argc == argc)
349 cmd_argv = NULL;
350 else if (!argv[r_argc + 1])
351 rxvt_fatal ("option '-e' requires an argument, aborting.\n");
352 else
353 {
354 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
355
356 for (i = 0; i < argc - r_argc - 1; i++)
357 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
358
359 cmd_argv[i] = NULL;
360 }
361
362 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
363
364 for (i = 0; i < r_argc; i++)
365 r_argv[i] = (const char *)argv[i];
366
367 r_argv[i] = NULL;
368
369 rs[Rs_name] = rxvt_basename (argv[0]);
370
371 /*
372 * Open display, get options/resources and create the window
373 */
374
375 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
376 rs[Rs_display_name] = ":0";
377
378 get_options (r_argc, r_argv);
379
380 if (!(display = displays.get (rs[Rs_display_name])))
381 {
382 free (r_argv);
383 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
384 }
385
386 // using a local pointer decreases code size a lot
387 xa = display->xa;
388
389 set (display);
390 extract_resources ();
391
392 #if XFT
393 if (rs[Rs_depth])
394 select_visual (strtol (rs[Rs_depth], 0, 0));
395 #endif
396
397 #ifdef HAVE_AFTERIMAGE
398 set_application_name ((char*)rs[Rs_name]);
399 set_output_threshold (OUTPUT_LEVEL_WARNING);
400 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
401 #endif
402 free (r_argv);
403
404 for (int i = NUM_RESOURCES; i--; )
405 if (rs [i] == resval_undef)
406 rs [i] = 0;
407
408 #if ENABLE_PERL
409 if (!rs[Rs_perl_ext_1])
410 rs[Rs_perl_ext_1] = "default";
411
412 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
413 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
414 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
415 {
416 rxvt_perl.init (this);
417 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
418 }
419 #endif
420
421 /*
422 * set any defaults not already set
423 */
424 if (cmd_argv && cmd_argv[0])
425 {
426 if (!rs[Rs_title])
427 rs[Rs_title] = rxvt_basename (cmd_argv[0]);
428 if (!rs[Rs_iconName])
429 rs[Rs_iconName] = rs[Rs_title];
430 }
431 else
432 {
433 if (!rs[Rs_title])
434 rs[Rs_title] = rs[Rs_name];
435 if (!rs[Rs_iconName])
436 rs[Rs_iconName] = rs[Rs_name];
437 }
438
439 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
440 saveLines = min (i, MAX_SAVELINES);
441
442 #if ENABLE_FRILLS
443 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
444 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
445
446 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
447 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
448
449 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
450 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
451 #endif
452
453 #ifdef POINTER_BLANK
454 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
455 pointerBlankDelay = i;
456 else
457 pointerBlankDelay = 2;
458 #endif
459
460 /* no point having a scrollbar without having any scrollback! */
461 if (!saveLines)
462 set_option (Opt_scrollBar, 0);
463
464 if (!rs[Rs_cutchars])
465 rs[Rs_cutchars] = CUTCHARS;
466
467 #ifndef NO_BACKSPACE_KEY
468 if (!rs[Rs_backspace_key])
469 # ifdef DEFAULT_BACKSPACE
470 rs[Rs_backspace_key] = DEFAULT_BACKSPACE;
471 # else
472 rs[Rs_backspace_key] = "DEC"; /* can toggle between \010 or \177 */
473 # endif
474 #endif
475
476 #ifndef NO_DELETE_KEY
477 if (!rs[Rs_delete_key])
478 # ifdef DEFAULT_DELETE
479 rs[Rs_delete_key] = DEFAULT_DELETE;
480 # else
481 rs[Rs_delete_key] = "\033[3~";
482 # endif
483 #endif
484
485 scrollBar.setup (this);
486
487 #ifdef XTERM_REVERSE_VIDEO
488 /* this is how xterm implements reverseVideo */
489 if (option (Opt_reverseVideo))
490 {
491 if (!rs[Rs_color + Color_fg])
492 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
493
494 if (!rs[Rs_color + Color_bg])
495 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
496 }
497 #endif
498
499 for (i = 0; i < NRS_COLORS; i++)
500 if (!rs[Rs_color + i])
501 rs[Rs_color + i] = def_colorName[i];
502
503 #ifndef XTERM_REVERSE_VIDEO
504 /* this is how we implement reverseVideo */
505 if (option (Opt_reverseVideo))
506 ::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]);
507 #endif
508
509 /* convenient aliases for setting fg/bg to colors */
510 color_aliases (Color_fg);
511 color_aliases (Color_bg);
512 #ifndef NO_CURSORCOLOR
513 color_aliases (Color_cursor);
514 color_aliases (Color_cursor2);
515 #endif /* NO_CURSORCOLOR */
516 color_aliases (Color_pointer_fg);
517 color_aliases (Color_pointer_bg);
518 color_aliases (Color_border);
519 #ifndef NO_BOLD_UNDERLINE_REVERSE
520 color_aliases (Color_BD);
521 color_aliases (Color_UL);
522 color_aliases (Color_RV);
523 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
524
525 if (!rs[Rs_color + Color_border])
526 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
527
528 return cmd_argv;
529 }
530
531 /*----------------------------------------------------------------------*/
532 void
533 rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
534 {
535 this->envv = envv;
536
537 SET_R (this);
538 set_locale ("");
539 set_environ (envv); // a few things in X do not call setlocale :(
540
541 init_vars ();
542
543 init_secondary ();
544
545 const char **cmd_argv = init_resources (argc, argv);
546
547 #ifdef KEYSYM_RESOURCE
548 keyboard->register_done ();
549 #endif
550
551 if (const char *path = rs[Rs_chdir])
552 if (*path) // ignored if empty
553 {
554 if (*path != '/')
555 rxvt_fatal ("specified shell working directory must start with a slash, aborting.\n");
556
557 if (chdir (path))
558 rxvt_fatal ("unable to change into specified shell working directory, aborting.\n");
559 }
560
561 if (option (Opt_scrollBar))
562 scrollBar.state = STATE_IDLE; /* set existence for size calculations */
563
564 pty = ptytty::create ();
565
566 create_windows (argc, argv);
567
568 init_xlocale ();
569
570 scr_reset (); // initialize screen
571
572 #if 0
573 XSynchronize (dpy, True);
574 #endif
575
576 if (option (Opt_scrollBar))
577 scrollBar.resize (); /* create and map scrollbar */
578 #ifdef HAVE_BG_PIXMAP
579 {
580 bgPixmap.set_target (this);
581 bgPixmap.invalidate ();
582
583 #ifdef ENABLE_TRANSPARENCY
584 if (option (Opt_transparent))
585 {
586 bgPixmap.set_transparent ();
587
588 #ifdef HAVE_AFTERIMAGE
589 if (rs [Rs_blurradius])
590 bgPixmap.set_blur_radius (rs [Rs_blurradius]);
591 #endif
592 if (ISSET_PIXCOLOR (Color_tint))
593 bgPixmap.set_tint (pix_colors_focused [Color_tint]);
594
595 if (rs [Rs_shade])
596 bgPixmap.set_shade (rs [Rs_shade]);
597
598 bgPixmap.set_root_pixmap ();
599 XSelectInput (dpy, display->root, PropertyChangeMask);
600 rootwin_ev.start (display, display->root);
601 }
602 #endif
603
604 #ifdef BG_IMAGE_FROM_FILE
605 if (rs[Rs_backgroundPixmap])
606 {
607 const char *p = rs[Rs_backgroundPixmap];
608
609 if ((p = strchr (p, ';')) != 0)
610 {
611 p++;
612 bgPixmap.set_geometry (p);
613 }
614 else
615 bgPixmap.set_defaultGeometry ();
616
617 if (bgPixmap.set_file (rs[Rs_backgroundPixmap]))
618 if (!bgPixmap.window_position_sensitive ())
619 update_background ();
620 }
621 #endif
622 }
623 #endif
624
625 #if ENABLE_PERL
626 rootwin_ev.start (display, display->root);
627 #endif
628
629 set_colorfgbg ();
630
631 init_command (cmd_argv);
632
633 free (cmd_argv);
634
635 if (pty->pty >= 0)
636 pty_ev.start (pty->pty, ev::READ);
637
638 HOOK_INVOKE ((this, HOOK_START, DT_END));
639
640 #if ENABLE_XEMBED
641 if (rs[Rs_embed])
642 {
643 long info[2] = { 0, XEMBED_MAPPED };
644
645 XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
646 32, PropModeReplace, (unsigned char *)&info, 2);
647 }
648 #endif
649
650 XMapWindow (dpy, vt);
651 XMapWindow (dpy, parent[0]);
652
653 refresh_check ();
654 }
655
656 /*----------------------------------------------------------------------*/
657 void
658 rxvt_term::init_env ()
659 {
660 int i;
661 char *val;
662
663 #ifdef DISPLAY_IS_IP
664 /* Fixup display_name for export over pty to any interested terminal
665 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
666 * (for the first non-loopback interface) that we get from
667 * rxvt_network_display (). This is more "name-resolution-portable", if you
668 * will, and probably allows for faster x-client startup if your name
669 * server is beyond a slow link or overloaded at client startup. Of
670 * course that only helps the shell's child processes, not us.
671 *
672 * Giving out the display_name also affords a potential security hole
673 */
674 val = rxvt_network_display (rs[Rs_display_name]);
675 rs[Rs_display_name] = (const char *)val;
676
677 if (val == NULL)
678 #endif /* DISPLAY_IS_IP */
679 val = XDisplayString (dpy);
680
681 if (rs[Rs_display_name] == NULL)
682 rs[Rs_display_name] = val; /* use broken `:0' value */
683
684 i = strlen (val);
685 env_display = (char *)rxvt_malloc (i + 9);
686
687 sprintf (env_display, "DISPLAY=%s", val);
688
689 sprintf (env_windowid, "WINDOWID=%lu", (unsigned long)parent[0]);
690
691 /* add entries to the environment:
692 * @ DISPLAY: in case we started with -display
693 * @ WINDOWID: X window id number of the window
694 * @ COLORTERM: terminal sub-name and also indicates its color
695 * @ TERM: terminal name
696 * @ TERMINFO: path to terminfo directory
697 * @ COLORFGBG: fg;bg color codes
698 */
699 putenv (env_display);
700 putenv (env_windowid);
701
702 if (env_colorfgbg)
703 putenv (env_colorfgbg);
704
705 #ifdef RXVT_TERMINFO
706 putenv ("TERMINFO=" RXVT_TERMINFO);
707 #endif
708
709 if (depth <= 2)
710 putenv ("COLORTERM=" COLORTERMENV "-mono");
711 else
712 putenv ("COLORTERM=" COLORTERMENVFULL);
713
714 if (rs[Rs_term_name] != NULL)
715 {
716 env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6);
717 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
718 putenv (env_term);
719 }
720 else
721 putenv ("TERM=" TERMENV);
722
723 #ifdef HAVE_UNSETENV
724 /* avoid passing old settings and confusing term size */
725 unsetenv ("LINES");
726 unsetenv ("COLUMNS");
727 unsetenv ("TERMCAP"); /* terminfo should be okay */
728 #endif /* HAVE_UNSETENV */
729 }
730
731 /*----------------------------------------------------------------------*/
732 /*
733 * This is more or less stolen straight from XFree86 xterm.
734 * This should support all European type languages.
735 */
736 void
737 rxvt_term::set_locale (const char *locale)
738 {
739 set_environ (envv);
740
741 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
742 free (this->locale);
743 this->locale = setlocale (LC_CTYPE, locale);
744
745 if (!this->locale)
746 {
747 if (*locale)
748 {
749 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
750 setlocale (LC_CTYPE, "C");
751 }
752 else
753 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
754
755 this->locale = "C";
756 }
757
758
759 this->locale = strdup (this->locale);
760 SET_LOCALE (this->locale);
761 mbstate.reset ();
762 #endif
763
764 #if HAVE_NL_LANGINFO
765 char *codeset = strdup (nl_langinfo (CODESET));
766 // /^UTF.?8/i
767 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
768 && (codeset[1] == 'T' || codeset[1] == 't')
769 && (codeset[2] == 'F' || codeset[2] == 'f')
770 && (codeset[3] == '8' || codeset[4] == '8');
771 free (codeset);
772 #else
773 enc_utf8 = 0;
774 #endif
775 }
776
777 void
778 rxvt_term::init_xlocale ()
779 {
780 set_environ (envv);
781
782 #ifdef USE_XIM
783 if (!locale)
784 rxvt_warn ("setting locale failed, working without locale support.\n");
785 else
786 {
787 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
788
789 if (!XSupportsLocale ())
790 {
791 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
792 return;
793 }
794
795 im_ev.start (display);
796
797 /* see if we can connect already */
798 im_cb ();
799 }
800 #endif
801 }
802
803 /*----------------------------------------------------------------------*/
804 void
805 rxvt_term::init_command (const char *const *argv)
806 {
807 /*
808 * Initialize the command connection.
809 * This should be called after the X server connection is established.
810 */
811
812 #ifdef META8_OPTION
813 meta_char = option (Opt_meta8) ? 0x80 : C0_ESC;
814 #endif
815
816 get_ourmods ();
817
818 if (!option (Opt_scrollTtyOutput))
819 priv_modes |= PrivMode_TtyOutputInh;
820 if (option (Opt_scrollTtyKeypress))
821 priv_modes |= PrivMode_Keypress;
822 if (!option (Opt_jumpScroll))
823 priv_modes |= PrivMode_smoothScroll;
824
825 #ifndef NO_BACKSPACE_KEY
826 if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
827 priv_modes |= PrivMode_HaveBackSpace;
828 #endif
829
830 /* add value for scrollBar */
831 if (scrollBar.state)
832 {
833 priv_modes |= PrivMode_scrollBar;
834 SavedModes |= PrivMode_scrollBar;
835 }
836
837 run_command (argv);
838 }
839
840 /*----------------------------------------------------------------------*/
841 void
842 rxvt_term::get_colours ()
843 {
844 int i;
845
846 #ifdef OFF_FOCUS_FADING
847 pix_colors = pix_colors_focused;
848 #endif
849
850 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
851 {
852 const char *name = rs[Rs_color + i];
853
854 if (!name)
855 continue;
856
857 rxvt_color xcol;
858
859 if (!set_color (xcol, name))
860 {
861 #ifndef XTERM_REVERSE_VIDEO
862 if (i < 2 && option (Opt_reverseVideo))
863 name = def_colorName [1 - i];
864 else
865 #endif
866 name = def_colorName [i];
867
868 if (!name)
869 continue;
870
871 if (!set_color (xcol, name))
872 {
873 switch (i)
874 {
875 case Color_fg:
876 case Color_bg:
877 rxvt_warn ("unable to get foreground/background colour, continuing.\n");
878 name = "";
879 break;
880 #ifndef NO_CURSORCOLOR
881 case Color_cursor2:
882 #endif
883 case Color_pointer_fg:
884 name = rs[Rs_color + Color_fg];
885 xcol.set (this, name);
886 break;
887 default:
888 name = rs[Rs_color + Color_bg];
889 xcol.set (this, name);
890 break;
891 }
892 }
893 }
894
895 pix_colors[i] = xcol;
896 rs[Rs_color + i] = name;
897 }
898
899 if (depth <= 2)
900 {
901 if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg);
902 if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg);
903 if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg);
904 }
905
906 /*
907 * get scrollBar shadow colors
908 *
909 * The calculations of topShadow/bottomShadow values are adapted
910 * from the fvwm window manager.
911 */
912 #ifdef RXVT_SCROLLBAR
913 if (depth <= 2)
914 {
915 /* Monochrome */
916 alias_color (Color_scroll, Color_fg);
917 alias_color (Color_topShadow, Color_bg);
918 alias_color (Color_bottomShadow, Color_bg);
919 }
920 else
921 {
922 pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]);
923
924 rgba cscroll;
925 pix_colors [Color_scroll].get (cscroll);
926
927 /* topShadowColor */
928 if (!pix_colors[Color_topShadow].set (this,
929 rgba (
930 min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5),
931 min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5),
932 min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5),
933 cscroll.a)
934 ))
935 alias_color (Color_topShadow, Color_White);
936 }
937 #endif
938
939 #ifdef OFF_FOCUS_FADING
940 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
941 update_fade_color (i);
942 #endif
943 }
944
945 /*----------------------------------------------------------------------*/
946 /* color aliases, fg/bg bright-bold */
947 void
948 rxvt_term::color_aliases (int idx)
949 {
950 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
951 {
952 int i = atoi (rs[Rs_color + idx]);
953
954 if (i >= 8 && i <= 15)
955 /* bright colors */
956 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i - 8];
957 else if (i >= 0 && i <= 7)
958 /* normal colors */
959 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
960 }
961 }
962
963 /*----------------------------------------------------------------------*/
964 /*
965 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
966 * Use resource ``modifier'' to override the Meta modifier
967 */
968 void
969 rxvt_term::get_ourmods ()
970 {
971 int i, j, k;
972 int requestedmeta, realmeta, realalt;
973 const char *cm, *rsmod;
974 XModifierKeymap *map;
975 KeyCode *kc;
976 const unsigned int modmasks[] =
977 {
978 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
979 };
980
981 requestedmeta = realmeta = realalt = 0;
982 rsmod = rs[Rs_modifier];
983
984 if (rsmod
985 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
986 requestedmeta = rsmod[3] - '0';
987
988 map = XGetModifierMapping (dpy);
989 kc = map->modifiermap;
990
991 for (i = 1; i < 6; i++)
992 {
993 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
994
995 for (j = map->max_keypermod; j--; k++)
996 {
997 if (kc[k] == 0)
998 break;
999
1000 switch (XKeycodeToKeysym (dpy, kc[k], 0))
1001 {
1002 case XK_Num_Lock:
1003 ModNumLockMask = modmasks[i - 1];
1004 continue;
1005
1006 case XK_ISO_Level3_Shift:
1007 ModLevel3Mask = modmasks[i - 1];
1008 continue;
1009
1010 case XK_Meta_L:
1011 case XK_Meta_R:
1012 cm = "meta";
1013 realmeta = i;
1014 break;
1015
1016 case XK_Alt_L:
1017 case XK_Alt_R:
1018 cm = "alt";
1019 realalt = i;
1020 break;
1021
1022 case XK_Super_L:
1023 case XK_Super_R:
1024 cm = "super";
1025 break;
1026
1027 case XK_Hyper_L:
1028 case XK_Hyper_R:
1029 cm = "hyper";
1030 break;
1031
1032 default:
1033 continue;
1034 }
1035
1036 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
1037 requestedmeta = i;
1038 }
1039 }
1040
1041 XFreeModifiermap (map);
1042
1043 i = requestedmeta ? requestedmeta
1044 : realmeta ? realmeta
1045 : realalt ? realalt
1046 : 0;
1047
1048 if (i)
1049 ModMetaMask = modmasks[i - 1];
1050 }
1051
1052 /*----------------------------------------------------------------------*/
1053 /* rxvt_Create_Windows () - Open and map the window */
1054 void
1055 rxvt_term::create_windows (int argc, const char *const *argv)
1056 {
1057 XClassHint classHint;
1058 XWMHints wmHint;
1059 #if ENABLE_FRILLS
1060 MWMHints mwmhints = { };
1061 #endif
1062 XGCValues gcvalue;
1063 XSetWindowAttributes attributes;
1064 Window top, parent;
1065
1066 dLocal (Display *, dpy);
1067
1068 /* grab colors before netscape does */
1069 get_colours ();
1070
1071 if (!set_fonts ())
1072 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
1073
1074 parent = display->root;
1075
1076 attributes.override_redirect = !!option (Opt_override_redirect);
1077
1078 #if ENABLE_FRILLS
1079 if (option (Opt_borderLess))
1080 {
1081 if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None)
1082 {
1083 // rxvt_warn("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");
1084 attributes.override_redirect = true;
1085 }
1086 else
1087 {
1088 mwmhints.flags = MWM_HINTS_DECORATIONS;
1089 }
1090 }
1091 #endif
1092
1093 #if ENABLE_XEMBED
1094 if (rs[Rs_embed])
1095 {
1096 XWindowAttributes wattr;
1097
1098 parent = strtol (rs[Rs_embed], 0, 0);
1099
1100 if (!XGetWindowAttributes (dpy, parent, &wattr))
1101 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
1102
1103 window_calc (wattr.width, wattr.height);
1104 }
1105 #endif
1106
1107 window_calc (0, 0);
1108
1109 /* sub-window placement & size in rxvt_resize_subwindows () */
1110 attributes.background_pixel = pix_colors_focused [Color_border];
1111 attributes.border_pixel = pix_colors_focused [Color_border];
1112 attributes.colormap = cmap;
1113
1114 top = XCreateWindow (dpy, parent,
1115 szHint.x, szHint.y,
1116 szHint.width, szHint.height,
1117 ext_bwidth,
1118 depth, InputOutput, visual,
1119 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
1120 &attributes);
1121
1122 this->parent[0] = top;
1123
1124 old_width = szHint.width;
1125 old_height = szHint.height;
1126
1127 process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST);
1128 process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST);
1129
1130 classHint.res_name = (char *)rs[Rs_name];
1131 classHint.res_class = (char *)RESCLASS;
1132
1133 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1134 wmHint.input = True;
1135 wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState;
1136 wmHint.window_group = top;
1137
1138 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc,
1139 &szHint, &wmHint, &classHint);
1140
1141 #if ENABLE_FRILLS
1142 if (mwmhints.flags)
1143 XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
1144 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
1145 #endif
1146
1147 Atom protocols[] = {
1148 xa[XA_WM_DELETE_WINDOW],
1149 #if ENABLE_EWMH
1150 xa[XA_NET_WM_PING],
1151 #endif
1152 };
1153
1154 XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
1155
1156 #if ENABLE_FRILLS
1157 if (rs[Rs_transient_for])
1158 XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
1159 #endif
1160
1161 #if ENABLE_EWMH
1162 long pid = getpid ();
1163
1164 XChangeProperty (dpy, top,
1165 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
1166 PropModeReplace, (unsigned char *)&pid, 1);
1167
1168 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1169 #endif
1170
1171 XSelectInput (dpy, top,
1172 KeyPressMask
1173 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1174 | KeyReleaseMask
1175 #endif
1176 | FocusChangeMask | VisibilityChangeMask
1177 | ExposureMask | StructureNotifyMask);
1178
1179 termwin_ev.start (display, top);
1180
1181 /* vt cursor: Black-on-White is standard, but this is more popular */
1182 TermWin_cursor = XCreateFontCursor (dpy, XC_xterm);
1183
1184 /* the vt window */
1185 vt = XCreateSimpleWindow (dpy, top,
1186 window_vt_x, window_vt_y,
1187 width, height,
1188 0,
1189 pix_colors_focused[Color_fg],
1190 pix_colors_focused[Color_bg]);
1191
1192 attributes.bit_gravity = NorthWestGravity;
1193 XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes);
1194
1195 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1196
1197 if (option (Opt_pointerBlank))
1198 vt_emask |= PointerMotionMask;
1199 else
1200 vt_emask |= Button1MotionMask | Button3MotionMask;
1201
1202 vt_select_input ();
1203
1204 vt_ev.start (display, vt);
1205
1206 /* graphics context for the vt window */
1207 gcvalue.foreground = pix_colors[Color_fg];
1208 gcvalue.background = pix_colors[Color_bg];
1209 gcvalue.graphics_exposures = 0;
1210
1211 gc = XCreateGC (dpy, vt,
1212 GCForeground | GCBackground | GCGraphicsExposures,
1213 &gcvalue);
1214
1215 drawable = new rxvt_drawable (this, vt);
1216
1217 #ifdef OFF_FOCUS_FADING
1218 // initially we are in unfocused state
1219 if (rs[Rs_fade])
1220 pix_colors = pix_colors_unfocused;
1221 #endif
1222
1223 pointer_unblank ();
1224 scr_recolour ();
1225 }
1226
1227 /* ------------------------------------------------------------------------- *
1228 * GET TTY CURRENT STATE *
1229 * ------------------------------------------------------------------------- */
1230 void
1231 rxvt_get_ttymode (struct termios *tio, int erase)
1232 {
1233 /*
1234 * standard System V termios interface
1235 */
1236 if (tcgetattr (STDIN_FILENO, tio) < 0)
1237 {
1238 // return error - use system defaults,
1239 // where possible, and zero elsewhere
1240 memset (tio, 0, sizeof (struct termios));
1241
1242 tio->c_cc[VINTR] = CINTR;
1243 tio->c_cc[VQUIT] = CQUIT;
1244 tio->c_cc[VERASE] = CERASE;
1245 #ifdef VERASE2
1246 tio->c_cc[VERASE2] = CERASE2;
1247 #endif
1248 tio->c_cc[VKILL] = CKILL;
1249 tio->c_cc[VSTART] = CSTART;
1250 tio->c_cc[VSTOP] = CSTOP;
1251 tio->c_cc[VSUSP] = CSUSP;
1252 # ifdef VDSUSP
1253 tio->c_cc[VDSUSP] = CDSUSP;
1254 # endif
1255 # ifdef VREPRINT
1256 tio->c_cc[VREPRINT] = CRPRNT;
1257 # endif
1258 # ifdef VDISCRD
1259 tio->c_cc[VDISCRD] = CFLUSH;
1260 # endif
1261 # ifdef VWERSE
1262 tio->c_cc[VWERSE] = CWERASE;
1263 # endif
1264 # ifdef VLNEXT
1265 tio->c_cc[VLNEXT] = CLNEXT;
1266 # endif
1267 }
1268
1269 tio->c_cc[VEOF] = CEOF;
1270 tio->c_cc[VEOL] = VDISABLE;
1271 # ifdef VEOL2
1272 tio->c_cc[VEOL2] = VDISABLE;
1273 # endif
1274 # ifdef VSWTC
1275 tio->c_cc[VSWTC] = VDISABLE;
1276 # endif
1277 # ifdef VSWTCH
1278 tio->c_cc[VSWTCH] = VDISABLE;
1279 # endif
1280 # if VMIN != VEOF
1281 tio->c_cc[VMIN] = 1;
1282 # endif
1283 # if VTIME != VEOL
1284 tio->c_cc[VTIME] = 0;
1285 # endif
1286
1287 if (erase != -1)
1288 tio->c_cc[VERASE] = (char)erase;
1289
1290 /* input modes */
1291 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1292 # ifdef IMAXBEL
1293 | IMAXBEL
1294 # endif
1295 | IXON);
1296
1297 /* output modes */
1298 tio->c_oflag = (OPOST | ONLCR);
1299
1300 /* control modes */
1301 tio->c_cflag = (CS8 | CREAD);
1302
1303 /* line discipline modes */
1304 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1305 # if defined (ECHOCTL) && defined (ECHOKE)
1306 | ECHOCTL | ECHOKE
1307 # endif
1308 | ECHOE | ECHOK);
1309
1310 /*
1311 * Debugging
1312 */
1313 #ifdef DEBUG_TTYMODE
1314 /* c_iflag bits */
1315 fprintf (stderr, "Input flags\n");
1316
1317 /* cpp token stringize doesn't work on all machines <sigh> */
1318 # define FOO(flag,name) \
1319 if ((tio->c_iflag) & flag) \
1320 fprintf (stderr, "%s ", name)
1321
1322 /* c_iflag bits */
1323 FOO (IGNBRK, "IGNBRK");
1324 FOO (BRKINT, "BRKINT");
1325 FOO (IGNPAR, "IGNPAR");
1326 FOO (PARMRK, "PARMRK");
1327 FOO (INPCK, "INPCK");
1328 FOO (ISTRIP, "ISTRIP");
1329 FOO (INLCR, "INLCR");
1330 FOO (IGNCR, "IGNCR");
1331 FOO (ICRNL, "ICRNL");
1332 FOO (IXON, "IXON");
1333 FOO (IXOFF, "IXOFF");
1334 # ifdef IUCLC
1335 FOO (IUCLC, "IUCLC");
1336 # endif
1337 # ifdef IXANY
1338 FOO (IXANY, "IXANY");
1339 # endif
1340 # ifdef IMAXBEL
1341 FOO (IMAXBEL, "IMAXBEL");
1342 # endif
1343
1344 fprintf (stderr, "\n");
1345
1346 # undef FOO
1347 # define FOO(entry, name) \
1348 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1349
1350 FOO (VINTR, "VINTR");
1351 FOO (VQUIT, "VQUIT");
1352 FOO (VERASE, "VERASE");
1353 FOO (VKILL, "VKILL");
1354 FOO (VEOF, "VEOF");
1355 FOO (VEOL, "VEOL");
1356 # ifdef VEOL2
1357 FOO (VEOL2, "VEOL2");
1358 # endif
1359 # ifdef VSWTC
1360 FOO (VSWTC, "VSWTC");
1361 # endif
1362 # ifdef VSWTCH
1363 FOO (VSWTCH, "VSWTCH");
1364 # endif
1365 FOO (VSTART, "VSTART");
1366 FOO (VSTOP, "VSTOP");
1367 FOO (VSUSP, "VSUSP");
1368 # ifdef VDSUSP
1369 FOO (VDSUSP, "VDSUSP");
1370 # endif
1371 # ifdef VREPRINT
1372 FOO (VREPRINT, "VREPRINT");
1373 # endif
1374 # ifdef VDISCRD
1375 FOO (VDISCRD, "VDISCRD");
1376 # endif
1377 # ifdef VWERSE
1378 FOO (VWERSE, "VWERSE");
1379 # endif
1380 # ifdef VLNEXT
1381 FOO (VLNEXT, "VLNEXT");
1382 # endif
1383
1384 fprintf (stderr, "\n");
1385 # undef FOO
1386 #endif /* DEBUG_TTYMODE */
1387 }
1388
1389 /*----------------------------------------------------------------------*/
1390 /*
1391 * Run the command in a subprocess and return a file descriptor for the
1392 * master end of the pseudo-teletype pair with the command talking to
1393 * the slave.
1394 */
1395 void
1396 rxvt_term::run_command (const char *const *argv)
1397 {
1398 #if ENABLE_FRILLS
1399 if (rs[Rs_pty_fd])
1400 {
1401 pty->pty = atoi (rs[Rs_pty_fd]);
1402
1403 if (pty->pty >= 0)
1404 {
1405 if (getfd_hook)
1406 pty->pty = (*getfd_hook) (pty->pty);
1407
1408 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1409 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1410 }
1411 }
1412 else
1413 #endif
1414 if (!pty->get ())
1415 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1416
1417 int er;
1418
1419 #ifndef NO_BACKSPACE_KEY
1420 if (rs[Rs_backspace_key][0] && !rs[Rs_backspace_key][1])
1421 er = rs[Rs_backspace_key][0];
1422 else if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
1423 er = '\177'; /* the initial state anyway */
1424 else
1425 #endif
1426 er = -1;
1427
1428 rxvt_get_ttymode (&tio, er);
1429 /* init terminal attributes */
1430 cfsetospeed (&tio, BAUDRATE);
1431 cfsetispeed (&tio, BAUDRATE);
1432 tcsetattr (pty->tty, TCSANOW, &tio);
1433 pty->set_utf8_mode (enc_utf8);
1434
1435 /* set initial window size */
1436 tt_winch ();
1437
1438 #if ENABLE_FRILLS
1439 if (rs[Rs_pty_fd])
1440 return;
1441 #endif
1442
1443 /* spin off the command interpreter */
1444 switch (cmd_pid = fork ())
1445 {
1446 case -1:
1447 {
1448 cmd_pid = 0;
1449 rxvt_fatal ("can't fork, aborting.\n");
1450 }
1451 case 0:
1452 init_env ();
1453
1454 if (!pty->make_controlling_tty ())
1455 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1456 else
1457 {
1458 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1459 dup2 (pty->tty, STDIN_FILENO);
1460 dup2 (pty->tty, STDOUT_FILENO);
1461 dup2 (pty->tty, STDERR_FILENO);
1462
1463 // close all our file handles that we do no longer need
1464 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1465 {
1466 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1467 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1468 }
1469
1470 run_child (argv);
1471 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1472 }
1473
1474 _exit (EXIT_FAILURE);
1475
1476 default:
1477 if (!option (Opt_utmpInhibit))
1478 pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]);
1479
1480 pty->close_tty ();
1481
1482 child_ev.start (cmd_pid);
1483
1484 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1485 break;
1486 }
1487 }
1488
1489 /* ------------------------------------------------------------------------- *
1490 * CHILD PROCESS OPERATIONS *
1491 * ------------------------------------------------------------------------- */
1492 /*
1493 * The only open file descriptor is the slave tty - so no error messages.
1494 * returns are fatal
1495 */
1496 int
1497 rxvt_term::run_child (const char *const *argv)
1498 {
1499 char *login;
1500
1501 if (option (Opt_console))
1502 {
1503 /* be virtual console, fail silently */
1504 #ifdef TIOCCONS
1505 unsigned int on = 1;
1506
1507 ioctl (STDIN_FILENO, TIOCCONS, &on);
1508 #elif defined (SRIOCSREDIR)
1509 int fd;
1510
1511 fd = open (CONSOLE, O_WRONLY, 0);
1512 if (fd >= 0)
1513 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1514 close (fd);
1515 #endif /* SRIOCSREDIR */
1516 }
1517
1518 /* reset signals and spin off the command interpreter */
1519 signal (SIGINT, SIG_DFL);
1520 signal (SIGQUIT, SIG_DFL);
1521 signal (SIGCHLD, SIG_DFL);
1522 signal (SIGHUP, SIG_DFL);
1523 signal (SIGPIPE, SIG_DFL);
1524 /*
1525 * mimick login's behavior by disabling the job control signals
1526 * a shell that wants them can turn them back on
1527 */
1528 #ifdef SIGTSTP
1529 signal (SIGTSTP, SIG_IGN);
1530 signal (SIGTTIN, SIG_IGN);
1531 signal (SIGTTOU, SIG_IGN);
1532 #endif /* SIGTSTP */
1533
1534 /* command interpreter path */
1535 if (argv)
1536 {
1537 # ifdef DEBUG_CMD
1538 int i;
1539
1540 for (i = 0; argv[i]; i++)
1541 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1542 # endif
1543
1544 execvp (argv[0], (char *const *)argv);
1545 /* no error message: STDERR is closed! */
1546 }
1547 else
1548 {
1549 const char *argv0, *shell;
1550
1551 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1552 shell = "/bin/sh";
1553
1554 argv0 = (const char *)rxvt_basename (shell);
1555
1556 if (option (Opt_loginShell))
1557 {
1558 login = (char *)rxvt_malloc (strlen (argv0) + 2);
1559
1560 login[0] = '-';
1561 strcpy (&login[1], argv0);
1562 argv0 = login;
1563 }
1564
1565 execlp (shell, argv0, (char *)0);
1566 /* no error message: STDERR is closed! */
1567 }
1568
1569 return -1;
1570 }
1571
1572 /*----------------------- end-of-file (C source) -----------------------*/