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Revision: 1.150
Committed: Fri Jan 20 11:02:46 2006 UTC (18 years, 4 months ago) by root
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Branch: MAIN
Changes since 1.149: +0 -4 lines
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# Content
1 /*--------------------------------*-C-*---------------------------------*
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) 1998-2001 Geoff Wing <gcw@pobox.com>
11 * - extensive modifications
12 * Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com>
13 * - QNX support
14 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
15 *
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2 of the License, or
19 * (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 *---------------------------------------------------------------------*/
30 /*
31 * Initialisation routines.
32 */
33
34 #include "../config.h" /* NECESSARY */
35 #include "rxvt.h" /* NECESSARY */
36 #include "rxvtutil.h"
37 #include "init.h"
38
39 #include <limits>
40
41 #include <csignal>
42
43 const char *const def_colorName[] =
44 {
45 COLOR_FOREGROUND,
46 COLOR_BACKGROUND,
47 /* low-intensity colors */
48 "Black", /* 0: black (#000000) */
49 "Red3", /* 1: red (#CD0000) */
50 "Green3", /* 2: green (#00CD00) */
51 "Yellow3", /* 3: yellow (#CDCD00) */
52 "Blue3", /* 4: blue (#0000CD) */
53 "Magenta3", /* 5: magenta (#CD00CD) */
54 "Cyan3", /* 6: cyan (#00CDCD) */
55 # ifdef XTERM_COLORS
56 "Grey90", /* 7: white (#E5E5E5) */
57 # else
58 "AntiqueWhite", /* 7: white (#FAEBD7) */
59 # endif
60 /* high-intensity colors */
61 # ifdef XTERM_COLORS
62 "Grey30", /* 8: bright black (#4D4D4D) */
63 # else
64 "Grey25", /* 8: bright black (#404040) */
65 # endif
66 "Red", /* 1/9: bright red (#FF0000) */
67 "Green", /* 2/10: bright green (#00FF00) */
68 "Yellow", /* 3/11: bright yellow (#FFFF00) */
69 "Blue", /* 4/12: bright blue (#0000FF) */
70 "Magenta", /* 5/13: bright magenta (#FF00FF) */
71 "Cyan", /* 6/14: bright cyan (#00FFFF) */
72 "White", /* 7/15: bright white (#FFFFFF) */
73
74 // 88 xterm colours
75 "rgb:00/00/00",
76 "rgb:00/00/8b",
77 "rgb:00/00/cd",
78 "rgb:00/00/ff",
79 "rgb:00/8b/00",
80 "rgb:00/8b/8b",
81 "rgb:00/8b/cd",
82 "rgb:00/8b/ff",
83 "rgb:00/cd/00",
84 "rgb:00/cd/8b",
85 "rgb:00/cd/cd",
86 "rgb:00/cd/ff",
87 "rgb:00/ff/00",
88 "rgb:00/ff/8b",
89 "rgb:00/ff/cd",
90 "rgb:00/ff/ff",
91 "rgb:8b/00/00",
92 "rgb:8b/00/8b",
93 "rgb:8b/00/cd",
94 "rgb:8b/00/ff",
95 "rgb:8b/8b/00",
96 "rgb:8b/8b/8b",
97 "rgb:8b/8b/cd",
98 "rgb:8b/8b/ff",
99 "rgb:8b/cd/00",
100 "rgb:8b/cd/8b",
101 "rgb:8b/cd/cd",
102 "rgb:8b/cd/ff",
103 "rgb:8b/ff/00",
104 "rgb:8b/ff/8b",
105 "rgb:8b/ff/cd",
106 "rgb:8b/ff/ff",
107 "rgb:cd/00/00",
108 "rgb:cd/00/8b",
109 "rgb:cd/00/cd",
110 "rgb:cd/00/ff",
111 "rgb:cd/8b/00",
112 "rgb:cd/8b/8b",
113 "rgb:cd/8b/cd",
114 "rgb:cd/8b/ff",
115 "rgb:cd/cd/00",
116 "rgb:cd/cd/8b",
117 "rgb:cd/cd/cd",
118 "rgb:cd/cd/ff",
119 "rgb:cd/ff/00",
120 "rgb:cd/ff/8b",
121 "rgb:cd/ff/cd",
122 "rgb:cd/ff/ff",
123 "rgb:ff/00/00",
124 "rgb:ff/00/8b",
125 "rgb:ff/00/cd",
126 "rgb:ff/00/ff",
127 "rgb:ff/8b/00",
128 "rgb:ff/8b/8b",
129 "rgb:ff/8b/cd",
130 "rgb:ff/8b/ff",
131 "rgb:ff/cd/00",
132 "rgb:ff/cd/8b",
133 "rgb:ff/cd/cd",
134 "rgb:ff/cd/ff",
135 "rgb:ff/ff/00",
136 "rgb:ff/ff/8b",
137 "rgb:ff/ff/cd",
138 "rgb:ff/ff/ff",
139 "rgb:2e/2e/2e",
140 "rgb:5c/5c/5c",
141 "rgb:73/73/73",
142 "rgb:8b/8b/8b",
143 "rgb:a2/a2/a2",
144 "rgb:b9/b9/b9",
145 "rgb:d0/d0/d0",
146 "rgb:e7/e7/e7",
147
148 #ifndef NO_CURSORCOLOR
149 COLOR_CURSOR_BACKGROUND,
150 COLOR_CURSOR_FOREGROUND,
151 #endif /* ! NO_CURSORCOLOR */
152 NULL, /* Color_pointer_fg */
153 NULL, /* Color_pointer_bg */
154 NULL, /* Color_border */
155 #ifndef NO_BOLD_UNDERLINE_REVERSE
156 NULL, /* Color_BD */
157 NULL, /* Color_IT */
158 NULL, /* Color_UL */
159 NULL, /* Color_RV */
160 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
161 #if ENABLE_FRILLS
162 NULL, // Color_underline
163 #endif
164 #ifdef OPTION_HC
165 NULL,
166 #endif
167 #ifdef KEEP_SCROLLCOLOR
168 COLOR_SCROLLBAR,
169 COLOR_SCROLLTROUGH,
170 #endif /* KEEP_SCROLLCOLOR */
171 #if TINTING
172 NULL,
173 #endif
174 #if OFF_FOCUS_FADING
175 "black",
176 #endif
177 };
178
179 const char *const xa_names[] =
180 {
181 "TEXT",
182 "COMPOUND_TEXT",
183 "UTF8_STRING",
184 "MULTIPLE",
185 "TARGETS",
186 "TIMESTAMP",
187 "VT_SELECTION",
188 "INCR",
189 "WM_PROTOCOLS",
190 "WM_DELETE_WINDOW",
191 "CLIPBOARD",
192 #if ENABLE_FRILLS
193 "_MOTIF_WM_HINTS",
194 #endif
195 #if ENABLE_EWMH
196 "_NET_WM_PID",
197 "_NET_WM_NAME",
198 "_NET_WM_ICON_NAME",
199 "_NET_WM_PING",
200 #endif
201 #if USE_XIM
202 "WM_LOCALE_NAME",
203 #endif
204 #ifdef TRANSPARENT
205 "_XROOTPMAP_ID",
206 "ESETROOT_PMAP_ID",
207 #endif
208 #if ENABLE_XEMBED
209 "_XEMBED",
210 "_XEMBED_INFO",
211 #endif
212 };
213
214 bool
215 rxvt_term::init_vars ()
216 {
217 pix_colors_focused = new rxvt_color [TOTAL_COLORS];
218 #ifdef OFF_FOCUS_FADING
219 pix_colors_unfocused = new rxvt_color [TOTAL_COLORS];
220 #endif
221 pix_colors = pix_colors_focused;
222
223 if (pix_colors == NULL)
224 return false;
225
226 #if defined(XPM_BACKGROUND) || defined(TRANSPARENT)
227 pixmap = None;
228 #endif
229
230 MEvent.time = CurrentTime;
231 MEvent.button = AnyButton;
232 options = DEFAULT_OPTIONS;
233 want_refresh = 1;
234 priv_modes = SavedModes = PrivMode_Default;
235 focus = 0;
236 ncol = 80;
237 nrow = 24;
238 int_bwidth = INTERNALBORDERWIDTH;
239 ext_bwidth = EXTERNALBORDERWIDTH;
240 lineSpace = LINESPACE;
241 saveLines = SAVELINES;
242 numpix_colors = TOTAL_COLORS;
243
244 refresh_limit = 1;
245 refresh_type = SLOW_REFRESH;
246 prev_nrow = prev_ncol = 0;
247
248 oldcursor.row = oldcursor.col = -1;
249 #ifdef XPM_BACKGROUND
250 /* bgPixmap.w = bgPixmap.h = 0; */
251 bgPixmap.x = bgPixmap.y = 50;
252 bgPixmap.pixmap = None;
253 #endif
254
255 last_bot = last_state = -1;
256
257 return true;
258 }
259
260 void
261 rxvt_term::init_secondary ()
262 {
263 int i;
264
265 /*
266 * Close all unused file descriptors
267 * We don't want them, we don't need them.
268 */
269 if ((i = open ("/dev/null", O_RDONLY)) < 0)
270 {
271 /* TODO: BOO HISS */
272 dup2 (STDERR_FILENO, STDIN_FILENO);
273 }
274 else if (i > STDIN_FILENO)
275 {
276 dup2 (i, STDIN_FILENO);
277 close (i);
278 }
279
280 dup2 (STDERR_FILENO, STDOUT_FILENO);
281
282 #if 0 // schmorp sayz closing filies is murder
283 for (i = STDERR_FILENO + 1; i < num_fds; i++)
284 {
285 #ifdef __sgi /* Alex Coventry says we need 4 & 7 too */
286 if (i == 4 || i == 7)
287 continue;
288 #endif
289 close (i);
290 }
291 #endif
292 }
293
294 /*----------------------------------------------------------------------*/
295 const char **
296 rxvt_term::init_resources (int argc, const char *const *argv)
297 {
298 int i, r_argc;
299 char *val;
300 const char **cmd_argv, **r_argv;
301
302 /*
303 * Look for -exec option. Find => split and make cmd_argv[] of command args
304 */
305 for (r_argc = 0; r_argc < argc; r_argc++)
306 if (!strcmp (argv[r_argc], "-e") || !strcmp (argv[r_argc], "-exec"))
307 break;
308
309 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
310
311 for (i = 0; i < r_argc; i++)
312 r_argv[i] = (const char *)argv[i];
313
314 r_argv[i] = NULL;
315
316 if (r_argc == argc)
317 cmd_argv = NULL;
318 else
319 {
320 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
321
322 for (i = 0; i < argc - r_argc - 1; i++)
323 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
324
325 cmd_argv[i] = NULL;
326 }
327
328 rs[Rs_name] = rxvt_r_basename (argv[0]);
329
330 /*
331 * Open display, get options/resources and create the window
332 */
333
334 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
335 rs[Rs_display_name] = ":0";
336
337 get_options (r_argc, r_argv);
338
339 if (!(display = displays.get (rs[Rs_display_name])))
340 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
341
342 extract_resources ();
343
344 free (r_argv);
345
346 /*
347 * set any defaults not already set
348 */
349 if (cmd_argv && cmd_argv[0])
350 {
351 if (!rs[Rs_title])
352 rs[Rs_title] = rxvt_r_basename (cmd_argv[0]);
353 if (!rs[Rs_iconName])
354 rs[Rs_iconName] = rs[Rs_title];
355 }
356 else
357 {
358 if (!rs[Rs_title])
359 rs[Rs_title] = rs[Rs_name];
360 if (!rs[Rs_iconName])
361 rs[Rs_iconName] = rs[Rs_name];
362 }
363
364 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
365 saveLines = min (i, MAX_SAVELINES);
366
367 #if ENABLE_FRILLS
368 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
369 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
370
371 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
372 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
373
374 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
375 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
376 #endif
377
378 #ifdef POINTER_BLANK
379 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
380 pointerBlankDelay = i;
381 else
382 pointerBlankDelay = 2;
383 #endif
384
385 /* no point having a scrollbar without having any scrollback! */
386 if (!saveLines)
387 set_option (Opt_scrollBar, 0);
388
389 #ifdef PRINTPIPE
390 if (!rs[Rs_print_pipe])
391 rs[Rs_print_pipe] = PRINTPIPE;
392 #endif
393
394 if (!rs[Rs_cutchars])
395 rs[Rs_cutchars] = CUTCHARS;
396
397 #ifndef NO_BACKSPACE_KEY
398 if (!rs[Rs_backspace_key])
399 # ifdef DEFAULT_BACKSPACE
400 key_backspace = DEFAULT_BACKSPACE;
401 # else
402 key_backspace = "DEC"; /* can toggle between \010 or \177 */
403 # endif
404 else
405 {
406 val = strdup (rs[Rs_backspace_key]);
407 rxvt_Str_trim (val);
408 rxvt_Str_escaped (val);
409 key_backspace = val;
410 }
411 #endif
412
413 #ifndef NO_DELETE_KEY
414 if (!rs[Rs_delete_key])
415 # ifdef DEFAULT_DELETE
416 key_delete = DEFAULT_DELETE;
417 # else
418 key_delete = "\033[3~";
419 # endif
420 else
421 {
422 val = strdup (rs[Rs_delete_key]);
423 rxvt_Str_trim (val);
424 rxvt_Str_escaped (val);
425 key_delete = val;
426 }
427 #endif
428 if (rs[Rs_answerbackstring])
429 {
430 rxvt_Str_trim ((char *)rs[Rs_answerbackstring]);
431 rxvt_Str_escaped ((char *)rs[Rs_answerbackstring]);
432 }
433
434 #ifdef HAVE_SCROLLBARS
435 setup_scrollbar (rs[Rs_scrollBar_align], rs[Rs_scrollstyle], rs[Rs_scrollBar_thickness]);
436 #endif
437
438 #ifdef XTERM_REVERSE_VIDEO
439 /* this is how xterm implements reverseVideo */
440 if (OPTION (Opt_reverseVideo))
441 {
442 if (!rs[Rs_color + Color_fg])
443 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
444 if (!rs[Rs_color + Color_bg])
445 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
446 }
447 #endif
448
449 for (i = 0; i < NRS_COLORS; i++)
450 if (!rs[Rs_color + i])
451 rs[Rs_color + i] = def_colorName[i];
452
453 #ifndef XTERM_REVERSE_VIDEO
454 /* this is how we implement reverseVideo */
455 if (OPTION (Opt_reverseVideo))
456 ::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]);
457 #endif
458
459 /* convenient aliases for setting fg/bg to colors */
460 color_aliases (Color_fg);
461 color_aliases (Color_bg);
462 #ifndef NO_CURSORCOLOR
463 color_aliases (Color_cursor);
464 color_aliases (Color_cursor2);
465 #endif /* NO_CURSORCOLOR */
466 color_aliases (Color_pointer_fg);
467 color_aliases (Color_pointer_bg);
468 color_aliases (Color_border);
469 #ifndef NO_BOLD_UNDERLINE_REVERSE
470 color_aliases (Color_BD);
471 color_aliases (Color_UL);
472 color_aliases (Color_RV);
473 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
474
475 if (!rs[Rs_color + Color_border])
476 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
477
478 return cmd_argv;
479 }
480
481 /*----------------------------------------------------------------------*/
482 void
483 rxvt_term::init_env ()
484 {
485 int i;
486 unsigned int u;
487 char *val;
488
489 #ifdef DISPLAY_IS_IP
490 /* Fixup display_name for export over pty to any interested terminal
491 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
492 * (for the first non-loopback interface) that we get from
493 * rxvt_network_display (). This is more "name-resolution-portable", if you
494 * will, and probably allows for faster x-client startup if your name
495 * server is beyond a slow link or overloaded at client startup. Of
496 * course that only helps the shell's child processes, not us.
497 *
498 * Giving out the display_name also affords a potential security hole
499 */
500 val = rxvt_network_display (rs[Rs_display_name]);
501 rs[Rs_display_name] = (const char *)val;
502
503 if (val == NULL)
504 #endif /* DISPLAY_IS_IP */
505 val = XDisplayString (display->display);
506
507 if (rs[Rs_display_name] == NULL)
508 rs[Rs_display_name] = val; /* use broken `:0' value */
509
510 i = strlen (val);
511 env_display = (char *)rxvt_malloc ((i + 9) * sizeof (char));
512
513 sprintf (env_display, "DISPLAY=%s", val);
514
515 /* avoiding the math library:
516 * i = (int) (ceil (log10 ((unsigned int)parent[0]))) */
517 for (i = 0, u = (unsigned int)parent[0]; u; u /= 10, i++)
518 ;
519 max_it (i, 1);
520 env_windowid = (char *)rxvt_malloc ((i + 10) * sizeof (char));
521
522 sprintf (env_windowid, "WINDOWID=%u",
523 (unsigned int)parent[0]);
524
525 /* add entries to the environment:
526 * @ DISPLAY: in case we started with -display
527 * @ WINDOWID: X window id number of the window
528 * @ COLORTERM: terminal sub-name and also indicates its color
529 * @ TERM: terminal name
530 * @ TERMINFO: path to terminfo directory
531 * @ COLORFGBG: fg;bg color codes
532 */
533 putenv (env_display);
534 putenv (env_windowid);
535 if (env_colorfgbg)
536 putenv (env_colorfgbg);
537
538 #ifdef RXVT_TERMINFO
539 putenv ("TERMINFO=" RXVT_TERMINFO);
540 #endif
541
542 if (display->depth <= 2)
543 putenv ("COLORTERM=" COLORTERMENV "-mono");
544 else
545 putenv ("COLORTERM=" COLORTERMENVFULL);
546
547 if (rs[Rs_term_name] != NULL)
548 {
549 env_term = (char *)rxvt_malloc ((strlen (rs[Rs_term_name]) + 6) * sizeof (char));
550 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
551 putenv (env_term);
552 }
553 else
554 putenv ("TERM=" TERMENV);
555
556 #ifdef HAVE_UNSETENV
557 /* avoid passing old settings and confusing term size */
558 unsetenv ("LINES");
559 unsetenv ("COLUMNS");
560 unsetenv ("TERMCAP"); /* terminfo should be okay */
561 #endif /* HAVE_UNSETENV */
562 }
563
564 /*----------------------------------------------------------------------*/
565 /*
566 * This is more or less stolen straight from XFree86 xterm.
567 * This should support all European type languages.
568 */
569 void
570 rxvt_term::set_locale (const char *locale)
571 {
572 set_environ (envv);
573
574 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
575 free (this->locale);
576 this->locale = setlocale (LC_CTYPE, locale);
577
578 if (!this->locale)
579 {
580 if (*locale)
581 {
582 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
583 setlocale (LC_CTYPE, "C");
584 }
585 else
586 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
587
588 this->locale = "C";
589 }
590
591
592 this->locale = rxvt_strdup (this->locale);
593 SET_LOCALE (this->locale);
594 mbstate.reset ();
595 #endif
596
597 #if HAVE_NL_LANGINFO
598 char *codeset = strdup (nl_langinfo (CODESET));
599 // /^UTF.?8/i
600 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
601 && (codeset[1] == 'T' || codeset[1] == 't')
602 && (codeset[2] == 'F' || codeset[2] == 'f')
603 && (codeset[3] == '8' || codeset[4] == '8');
604 free (codeset);
605 #else
606 enc_utf8 = 0;
607 #endif
608 }
609
610 void
611 rxvt_term::init_xlocale ()
612 {
613 set_environ (envv);
614
615 #ifdef USE_XIM
616 if (!locale)
617 rxvt_warn ("setting locale failed, working without locale support.\n");
618 else
619 {
620 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
621
622 if (!XSupportsLocale ())
623 {
624 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
625 return;
626 }
627
628 im_ev.start (display);
629
630 /* see if we can connect already */
631 im_cb ();
632 }
633 #endif
634 }
635
636 /*----------------------------------------------------------------------*/
637 void
638 rxvt_term::init_command (const char *const *argv)
639 {
640 /*
641 * Initialize the command connection.
642 * This should be called after the X server connection is established.
643 */
644
645 #ifdef META8_OPTION
646 meta_char = OPTION (Opt_meta8) ? 0x80 : C0_ESC;
647 #endif
648
649 get_ourmods ();
650
651 if (!OPTION (Opt_scrollTtyOutput))
652 priv_modes |= PrivMode_TtyOutputInh;
653 if (OPTION (Opt_scrollTtyKeypress))
654 priv_modes |= PrivMode_Keypress;
655 if (!OPTION (Opt_jumpScroll))
656 priv_modes |= PrivMode_smoothScroll;
657
658 #ifndef NO_BACKSPACE_KEY
659 if (strcmp (key_backspace, "DEC") == 0)
660 priv_modes |= PrivMode_HaveBackSpace;
661 #endif
662
663 /* add value for scrollBar */
664 if (scrollBar.state)
665 {
666 priv_modes |= PrivMode_scrollBar;
667 SavedModes |= PrivMode_scrollBar;
668 }
669
670 run_command (argv);
671 }
672
673 /*----------------------------------------------------------------------*/
674 void
675 rxvt_term::Get_Colours ()
676 {
677 int i;
678
679 #ifdef OFF_FOCUS_FADING
680 pix_colors = pix_colors_focused;
681 #endif
682
683 for (i = 0; i < (display->depth <= 2 ? 2 : NRS_COLORS); i++)
684 {
685 rxvt_color xcol;
686
687 if (!rs[Rs_color + i])
688 continue;
689
690 if (!rXParseAllocColor (&xcol, rs[Rs_color + i]))
691 {
692 #ifndef XTERM_REVERSE_VIDEO
693 if (i < 2 && OPTION (Opt_reverseVideo))
694 rs[Rs_color + i] = def_colorName[!i];
695 else
696 #endif
697 rs[Rs_color + i] = def_colorName[i];
698
699 if (!rs[Rs_color + i])
700 continue;
701
702 if (!rXParseAllocColor (&xcol, rs[Rs_color + i]))
703 {
704 switch (i)
705 {
706 case Color_fg:
707 case Color_bg:
708 /* fatal: need bg/fg color */
709 rxvt_fatal ("unable to get foreground/background colour, aborting.\n");
710 /* NOTREACHED */
711 break;
712 #ifndef NO_CURSORCOLOR
713 case Color_cursor2:
714 xcol = pix_colors[Color_fg];
715 break;
716 #endif /* ! NO_CURSORCOLOR */
717 case Color_pointer_fg:
718 xcol = pix_colors[Color_fg];
719 break;
720 default:
721 xcol = pix_colors[Color_bg]; /* None */
722 break;
723 }
724 }
725 }
726
727 pix_colors[i] = xcol;
728 SET_PIXCOLOR (i);
729 }
730
731 #ifdef OFF_FOCUS_FADING
732 if (rs[Rs_fade])
733 for (i = 0; i < (display->depth <= 2 ? 2 : NRS_COLORS); i++)
734 pix_colors_unfocused[i] = pix_colors_focused[i].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
735 #endif
736
737 if (display->depth <= 2)
738 {
739 if (!rs[Rs_color + Color_pointer_fg]) pix_colors[Color_pointer_fg] = pix_colors[Color_fg];
740 if (!rs[Rs_color + Color_pointer_bg]) pix_colors[Color_pointer_bg] = pix_colors[Color_bg];
741 if (!rs[Rs_color + Color_border] ) pix_colors[Color_border] = pix_colors[Color_fg];
742 }
743
744 /*
745 * get scrollBar shadow colors
746 *
747 * The calculations of topShadow/bottomShadow values are adapted
748 * from the fvwm window manager.
749 */
750 #ifdef KEEP_SCROLLCOLOR
751
752 if (display->depth <= 2)
753 {
754 /* Monochrome */
755 pix_colors[Color_scroll] = pix_colors[Color_fg];
756 pix_colors[Color_topShadow] = pix_colors[Color_bg];
757 pix_colors[Color_bottomShadow] = pix_colors[Color_bg];
758 }
759 else
760 {
761 rxvt_color xcol[2];
762 /* xcol[0] == white
763 * xcol[1] == top shadow
764 * xcol[2] == bot shadow */
765
766 xcol[1] = pix_colors[Color_scroll];
767 xcol[0].set (display, 65535, 65535, 65535);
768
769 unsigned short pr1, pg1, pb1, pr0, pg0, pb0;
770
771 xcol[0].get (display, pr0, pg0, pb0);
772 xcol[1].get (display, pr1, pg1, pb1);
773
774 pix_colors[Color_bottomShadow] = xcol[1].fade (display, 50);
775
776 /* topShadowColor */
777 if (!xcol[1].set (display,
778 min (pr0, max (pr0 / 5, pr1) * 7 / 5),
779 min (pg0, max (pg0 / 5, pg1) * 7 / 5),
780 min (pb0, max (pb0 / 5, pb1) * 7 / 5)))
781 xcol[1] = pix_colors[Color_White];
782
783 pix_colors[Color_topShadow] = xcol[1];
784 }
785 #endif /* KEEP_SCROLLCOLOR */
786 }
787
788 /*----------------------------------------------------------------------*/
789 /* color aliases, fg/bg bright-bold */
790 void
791 rxvt_term::color_aliases (int idx)
792 {
793 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
794 {
795 int i = atoi (rs[Rs_color + idx]);
796
797 if (i >= 8 && i <= 15)
798 { /* bright colors */
799 i -= 8;
800 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i];
801 return;
802 }
803
804 if (i >= 0 && i <= 7) /* normal colors */
805 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
806 }
807 }
808
809 /*----------------------------------------------------------------------*/
810 /*
811 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
812 * Use resource ``modifier'' to override the Meta modifier
813 */
814 void
815 rxvt_term::get_ourmods ()
816 {
817 int i, j, k;
818 int requestedmeta, realmeta, realalt;
819 const char *cm, *rsmod;
820 XModifierKeymap *map;
821 KeyCode *kc;
822 const unsigned int modmasks[] =
823 {
824 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
825 };
826
827 requestedmeta = realmeta = realalt = 0;
828 rsmod = rs[Rs_modifier];
829
830 if (rsmod
831 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
832 requestedmeta = rsmod[3] - '0';
833
834 map = XGetModifierMapping (display->display);
835 kc = map->modifiermap;
836
837 for (i = 1; i < 6; i++)
838 {
839 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
840
841 for (j = map->max_keypermod; j--; k++)
842 {
843 if (kc[k] == 0)
844 break;
845
846 switch (XKeycodeToKeysym (display->display, kc[k], 0))
847 {
848 case XK_Num_Lock:
849 ModNumLockMask = modmasks[i - 1];
850 continue;
851
852 case XK_ISO_Level3_Shift:
853 ModLevel3Mask = modmasks[i - 1];
854 continue;
855
856 case XK_Meta_L:
857 case XK_Meta_R:
858 cm = "meta";
859 realmeta = i;
860 break;
861
862 case XK_Alt_L:
863 case XK_Alt_R:
864 cm = "alt";
865 realalt = i;
866 break;
867
868 case XK_Super_L:
869 case XK_Super_R:
870 cm = "super";
871 break;
872
873 case XK_Hyper_L:
874 case XK_Hyper_R:
875 cm = "hyper";
876 break;
877
878 default:
879 continue;
880 }
881
882 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
883 requestedmeta = i;
884 }
885 }
886
887 XFreeModifiermap (map);
888
889 i = requestedmeta ? requestedmeta
890 : realmeta ? realmeta
891 : realalt ? realalt
892 : 0;
893
894 if (i)
895 ModMetaMask = modmasks[i - 1];
896 }
897
898 /*----------------------------------------------------------------------*/
899 /* rxvt_Create_Windows () - Open and map the window */
900 void
901 rxvt_term::create_windows (int argc, const char *const *argv)
902 {
903 XClassHint classHint;
904 XWMHints wmHint;
905 #if ENABLE_FRILLS
906 Atom prop = None;
907 MWMHints mwmhints;
908 #endif
909 XGCValues gcvalue;
910 XSetWindowAttributes attributes;
911 XWindowAttributes gattr;
912 Window top, parent;
913 dDisp;
914
915 #ifdef USING_W11LIB
916 /* enable W11 callbacks */
917 W11AddEventHandler (disp, rxvt_W11_process_x_event);
918 #endif
919
920 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
921 XInternAtoms (disp, (char **)xa_names, NUM_XA, False, xa);
922
923 if (OPTION (Opt_transparent))
924 {
925 XGetWindowAttributes (disp, RootWindow (disp, display->screen), &gattr);
926 display->depth = gattr.depth; // doh //TODO, per-term not per-display?
927 }
928
929 /* grab colors before netscape does */
930 Get_Colours ();
931
932 if (!set_fonts ())
933 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
934
935 parent = DefaultRootWindow (disp);
936
937 attributes.override_redirect = !!OPTION (Opt_override_redirect);
938
939 #if ENABLE_FRILLS
940 if (OPTION (Opt_borderLess))
941 {
942 prop = XInternAtom (disp, "_MOTIF_WM_INFO", True);
943
944 if (prop == None)
945 {
946 /* print_warning("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");*/
947 attributes.override_redirect = TRUE;
948 mwmhints.flags = 0;
949 }
950 else
951 {
952 mwmhints.flags = MWM_HINTS_DECORATIONS;
953 mwmhints.decorations = 0;
954 }
955 }
956 else
957 mwmhints.flags = 0;
958 #endif
959
960 #if ENABLE_XEMBED
961 if (rs[Rs_embed])
962 {
963 XWindowAttributes wattr;
964
965 parent = strtol (rs[Rs_embed], 0, 0);
966
967 if (!XGetWindowAttributes (disp, parent, &wattr))
968 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
969
970 window_calc (wattr.width, wattr.height);
971 }
972 #endif
973
974 window_calc (0, 0);
975
976 /* sub-window placement & size in rxvt_resize_subwindows () */
977 attributes.background_pixel = pix_colors_focused[Color_border];
978 attributes.border_pixel = pix_colors_focused[Color_border];
979 attributes.colormap = display->cmap;
980 top = XCreateWindow (disp, parent,
981 szHint.x, szHint.y,
982 szHint.width, szHint.height,
983 ext_bwidth,
984 display->depth, InputOutput,
985 display->visual,
986 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
987 &attributes);
988
989 this->parent[0] = top;
990
991 old_width = szHint.width;
992 old_height = szHint.height;
993
994 process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST);
995 process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST);
996
997 classHint.res_name = (char *)rs[Rs_name];
998 classHint.res_class = (char *)RESCLASS;
999
1000 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1001 wmHint.input = True;
1002 wmHint.initial_state = OPTION (Opt_iconic) ? IconicState : NormalState;
1003 wmHint.window_group = top;
1004
1005 XmbSetWMProperties (disp, top, NULL, NULL, (char **)argv, argc,
1006 &szHint, &wmHint, &classHint);
1007
1008 Atom protocols[] = {
1009 xa[XA_WM_DELETE_WINDOW],
1010 #if ENABLE_EWMH
1011 xa[XA_NET_WM_PING],
1012 #endif
1013 };
1014
1015 XSetWMProtocols (disp, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
1016
1017 #if ENABLE_FRILLS
1018 if (rs[Rs_transient_for])
1019 XSetTransientForHint (disp, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
1020 #endif
1021
1022 #if ENABLE_EWMH
1023 long pid = getpid ();
1024
1025 XChangeProperty (disp, top,
1026 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
1027 PropModeReplace, (unsigned char *)&pid, 1);
1028
1029 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1030 #endif
1031
1032 XSelectInput (disp, top,
1033 KeyPressMask
1034 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1035 | KeyReleaseMask
1036 #endif
1037 | FocusChangeMask | VisibilityChangeMask
1038 | ExposureMask | StructureNotifyMask);
1039
1040 termwin_ev.start (display, top);
1041
1042 #if ENABLE_FRILLS
1043 if (mwmhints.flags)
1044 XChangeProperty (disp, 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 /* vt cursor: Black-on-White is standard, but this is more popular */
1049 TermWin_cursor = XCreateFontCursor (disp, XC_xterm);
1050
1051 #ifdef HAVE_SCROLLBARS
1052 /* cursor scrollBar: Black-on-White */
1053 leftptr_cursor = XCreateFontCursor (disp, XC_left_ptr);
1054 #endif
1055
1056 /* the vt window */
1057 vt = XCreateSimpleWindow (disp, top,
1058 window_vt_x,
1059 window_vt_y,
1060 width,
1061 height,
1062 0,
1063 pix_colors_focused[Color_fg],
1064 pix_colors_focused[Color_bg]);
1065 #ifdef DEBUG_X
1066 XStoreName (disp, vt, "vt window");
1067 #endif
1068
1069 attributes.bit_gravity = NorthWestGravity;
1070 XChangeWindowAttributes (disp, vt, CWBitGravity, &attributes);
1071
1072 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1073
1074 if (OPTION (Opt_pointerBlank))
1075 vt_emask |= PointerMotionMask;
1076 else
1077 vt_emask |= Button1MotionMask | Button3MotionMask;
1078
1079 vt_select_input ();
1080
1081 vt_ev.start (display, vt);
1082
1083 #ifdef XPM_BACKGROUND
1084 if (rs[Rs_backgroundPixmap] != NULL
1085 && ! OPTION (Opt_transparent))
1086 {
1087 const char *p = rs[Rs_backgroundPixmap];
1088
1089 if ((p = strchr (p, ';')) != NULL)
1090 {
1091 p++;
1092 scale_pixmap (p);
1093 }
1094
1095 set_bgPixmap (rs[Rs_backgroundPixmap]);
1096 scr_touch (true);
1097 }
1098 #endif
1099
1100 /* graphics context for the vt window */
1101 gcvalue.foreground = pix_colors[Color_fg];
1102 gcvalue.background = pix_colors[Color_bg];
1103 gcvalue.graphics_exposures = 1;
1104 gc = XCreateGC (disp, vt,
1105 GCForeground | GCBackground | GCGraphicsExposures,
1106 &gcvalue);
1107
1108 drawable = new rxvt_drawable (display, vt);
1109
1110 #ifdef RXVT_SCROLLBAR
1111 gcvalue.foreground = pix_colors[Color_topShadow];
1112 topShadowGC = XCreateGC (disp, vt, GCForeground, &gcvalue);
1113 gcvalue.foreground = pix_colors[Color_bottomShadow];
1114 botShadowGC = XCreateGC (disp, vt, GCForeground, &gcvalue);
1115 gcvalue.foreground = pix_colors[ (display->depth <= 2 ? Color_fg : Color_scroll)];
1116 scrollbarGC = XCreateGC (disp, vt, GCForeground, &gcvalue);
1117 #endif
1118
1119 #ifdef OFF_FOCUS_FADING
1120 // initially we are in unfocused state
1121 if (rs[Rs_fade])
1122 pix_colors = pix_colors_unfocused;
1123 #endif
1124
1125 pointer_unblank ();
1126 scr_recolour ();
1127
1128 #if ENABLE_XEMBED
1129 if (rs[Rs_embed])
1130 {
1131 long info[2] = { 0, XEMBED_MAPPED };
1132
1133 XChangeProperty (disp, parent, xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
1134 32, PropModeReplace, (unsigned char *)&info, 2);
1135 }
1136 #endif
1137 }
1138
1139 /* ------------------------------------------------------------------------- *
1140 * GET TTY CURRENT STATE *
1141 * ------------------------------------------------------------------------- */
1142 void
1143 rxvt_get_ttymode (ttymode_t *tio, int erase)
1144 {
1145 #ifdef HAVE_TERMIOS_H
1146 /*
1147 * standard System V termios interface
1148 */
1149 if (GET_TERMIOS (STDIN_FILENO, tio) < 0)
1150 {
1151 // return error - use system defaults,
1152 // where possible, and zero elsewhere
1153 memset (tio, 0, sizeof (ttymode_t));
1154
1155 tio->c_cc[VINTR] = CINTR;
1156 tio->c_cc[VQUIT] = CQUIT;
1157 tio->c_cc[VERASE] = CERASE;
1158 #ifdef VERASE2
1159 tio->c_cc[VERASE2] = CERASE2;
1160 #endif
1161 tio->c_cc[VKILL] = CKILL;
1162 tio->c_cc[VSTART] = CSTART;
1163 tio->c_cc[VSTOP] = CSTOP;
1164 tio->c_cc[VSUSP] = CSUSP;
1165 # ifdef VDSUSP
1166 tio->c_cc[VDSUSP] = CDSUSP;
1167 # endif
1168 # ifdef VREPRINT
1169 tio->c_cc[VREPRINT] = CRPRNT;
1170 # endif
1171 # ifdef VDISCRD
1172 tio->c_cc[VDISCRD] = CFLUSH;
1173 # endif
1174 # ifdef VWERSE
1175 tio->c_cc[VWERSE] = CWERASE;
1176 # endif
1177 # ifdef VLNEXT
1178 tio->c_cc[VLNEXT] = CLNEXT;
1179 # endif
1180 }
1181
1182 tio->c_cc[VEOF] = CEOF;
1183 tio->c_cc[VEOL] = VDISABLE;
1184 # ifdef VEOL2
1185 tio->c_cc[VEOL2] = VDISABLE;
1186 # endif
1187 # ifdef VSWTC
1188 tio->c_cc[VSWTC] = VDISABLE;
1189 # endif
1190 # ifdef VSWTCH
1191 tio->c_cc[VSWTCH] = VDISABLE;
1192 # endif
1193 # if VMIN != VEOF
1194 tio->c_cc[VMIN] = 1;
1195 # endif
1196 # if VTIME != VEOL
1197 tio->c_cc[VTIME] = 0;
1198 # endif
1199
1200 if (erase != -1)
1201 tio->c_cc[VERASE] = (char)erase;
1202
1203 /* input modes */
1204 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1205 # ifdef IMAXBEL
1206 | IMAXBEL
1207 # endif
1208 | IXON);
1209
1210 /* output modes */
1211 tio->c_oflag = (OPOST | ONLCR);
1212
1213 /* control modes */
1214 tio->c_cflag = (CS8 | CREAD);
1215
1216 /* line discipline modes */
1217 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1218 # if defined (ECHOCTL) && defined (ECHOKE)
1219 | ECHOCTL | ECHOKE
1220 # endif
1221 | ECHOE | ECHOK);
1222 # else /* HAVE_TERMIOS_H */
1223
1224 /*
1225 * sgtty interface
1226 */
1227
1228 /* get parameters -- gtty */
1229 if (ioctl (STDIN_FILENO, TIOCGETP, & (tio->sg)) < 0)
1230 {
1231 tio->sg.sg_erase = CERASE; /* ^H */
1232 tio->sg.sg_kill = CKILL; /* ^U */
1233 }
1234
1235 if (erase != -1)
1236 tio->sg.sg_erase = (char)erase;
1237
1238 tio->sg.sg_flags = (CRMOD | ECHO | EVENP | ODDP);
1239
1240 /* get special characters */
1241 if (ioctl (STDIN_FILENO, TIOCGETC, & (tio->tc)) < 0)
1242 {
1243 tio->tc.t_intrc = CINTR; /* ^C */
1244 tio->tc.t_quitc = CQUIT; /* ^\ */
1245 tio->tc.t_startc = CSTART; /* ^Q */
1246 tio->tc.t_stopc = CSTOP; /* ^S */
1247 tio->tc.t_eofc = CEOF; /* ^D */
1248 tio->tc.t_brkc = -1;
1249 }
1250
1251 /* get local special chars */
1252 if (ioctl (STDIN_FILENO, TIOCGLTC, & (tio->lc)) < 0)
1253 {
1254 tio->lc.t_suspc = CSUSP; /* ^Z */
1255 tio->lc.t_dsuspc = CDSUSP; /* ^Y */
1256 tio->lc.t_rprntc = CRPRNT; /* ^R */
1257 tio->lc.t_flushc = CFLUSH; /* ^O */
1258 tio->lc.t_werasc = CWERASE; /* ^W */
1259 tio->lc.t_lnextc = CLNEXT; /* ^V */
1260 }
1261 /* get line discipline */
1262 ioctl (STDIN_FILENO, TIOCGETD, & (tio->line));
1263 # ifdef NTTYDISC
1264 tio->line = NTTYDISC;
1265 # endif /* NTTYDISC */
1266
1267 tio->local = (LCRTBS | LCRTERA | LCTLECH | LPASS8 | LCRTKIL);
1268 #endif /* HAVE_TERMIOS_H */
1269
1270 /*
1271 * Debugging
1272 */
1273 #ifdef DEBUG_TTYMODE
1274 #ifdef HAVE_TERMIOS_H
1275 /* c_iflag bits */
1276 fprintf (stderr, "Input flags\n");
1277
1278 /* cpp token stringize doesn't work on all machines <sigh> */
1279 # define FOO(flag,name) \
1280 if ((tio->c_iflag) & flag) \
1281 fprintf (stderr, "%s ", name)
1282
1283 /* c_iflag bits */
1284 FOO (IGNBRK, "IGNBRK");
1285 FOO (BRKINT, "BRKINT");
1286 FOO (IGNPAR, "IGNPAR");
1287 FOO (PARMRK, "PARMRK");
1288 FOO (INPCK, "INPCK");
1289 FOO (ISTRIP, "ISTRIP");
1290 FOO (INLCR, "INLCR");
1291 FOO (IGNCR, "IGNCR");
1292 FOO (ICRNL, "ICRNL");
1293 FOO (IXON, "IXON");
1294 FOO (IXOFF, "IXOFF");
1295 # ifdef IUCLC
1296 FOO (IUCLC, "IUCLC");
1297 # endif
1298 # ifdef IXANY
1299 FOO (IXANY, "IXANY");
1300 # endif
1301 # ifdef IMAXBEL
1302 FOO (IMAXBEL, "IMAXBEL");
1303 # endif
1304
1305 fprintf (stderr, "\n");
1306
1307 # undef FOO
1308 # define FOO(entry, name) \
1309 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1310
1311 FOO (VINTR, "VINTR");
1312 FOO (VQUIT, "VQUIT");
1313 FOO (VERASE, "VERASE");
1314 FOO (VKILL, "VKILL");
1315 FOO (VEOF, "VEOF");
1316 FOO (VEOL, "VEOL");
1317 # ifdef VEOL2
1318 FOO (VEOL2, "VEOL2");
1319 # endif
1320 # ifdef VSWTC
1321 FOO (VSWTC, "VSWTC");
1322 # endif
1323 # ifdef VSWTCH
1324 FOO (VSWTCH, "VSWTCH");
1325 # endif
1326 FOO (VSTART, "VSTART");
1327 FOO (VSTOP, "VSTOP");
1328 FOO (VSUSP, "VSUSP");
1329 # ifdef VDSUSP
1330 FOO (VDSUSP, "VDSUSP");
1331 # endif
1332 # ifdef VREPRINT
1333 FOO (VREPRINT, "VREPRINT");
1334 # endif
1335 # ifdef VDISCRD
1336 FOO (VDISCRD, "VDISCRD");
1337 # endif
1338 # ifdef VWERSE
1339 FOO (VWERSE, "VWERSE");
1340 # endif
1341 # ifdef VLNEXT
1342 FOO (VLNEXT, "VLNEXT");
1343 # endif
1344
1345 fprintf (stderr, "\n");
1346 # undef FOO
1347 # endif /* HAVE_TERMIOS_H */
1348 #endif /* DEBUG_TTYMODE */
1349 }
1350
1351 /*----------------------------------------------------------------------*/
1352 /*
1353 * Run the command in a subprocess and return a file descriptor for the
1354 * master end of the pseudo-teletype pair with the command talking to
1355 * the slave.
1356 */
1357 void
1358 rxvt_term::run_command (const char *const *argv)
1359 {
1360 #if ENABLE_FRILLS
1361 if (rs[Rs_pty_fd])
1362 {
1363 pty->pty = atoi (rs[Rs_pty_fd]);
1364
1365 if (pty->pty >= 0)
1366 {
1367 if (getfd_hook)
1368 pty->pty = (*getfd_hook) (pty->pty);
1369
1370 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1371 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1372 }
1373 }
1374 else
1375 #endif
1376 if (!pty->get ())
1377 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1378
1379 pty->set_utf8_mode (enc_utf8);
1380
1381 /* set initial window size */
1382 tt_winch ();
1383
1384 int er;
1385
1386 #ifndef NO_BACKSPACE_KEY
1387 if (key_backspace[0] && !key_backspace[1])
1388 er = key_backspace[0];
1389 else if (strcmp (key_backspace, "DEC") == 0)
1390 er = '\177'; /* the initial state anyway */
1391 else
1392 #endif
1393 er = -1;
1394
1395 rxvt_get_ttymode (&tio, er);
1396
1397 #if ENABLE_FRILLS
1398 if (rs[Rs_pty_fd])
1399 return;
1400 #endif
1401
1402 /* spin off the command interpreter */
1403 switch (cmd_pid = fork ())
1404 {
1405 case -1:
1406 {
1407 cmd_pid = 0;
1408 rxvt_fatal ("can't fork, aborting.\n");
1409 }
1410 case 0:
1411 init_env ();
1412
1413 if (!pty->make_controlling_tty ())
1414 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1415 else
1416 {
1417 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1418 dup2 (pty->tty, STDIN_FILENO);
1419 dup2 (pty->tty, STDOUT_FILENO);
1420 dup2 (pty->tty, STDERR_FILENO);
1421
1422 // close all our file handles that we do no longer need
1423 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1424 {
1425 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1426 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1427 }
1428
1429 run_child (argv);
1430 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1431 }
1432
1433 _exit (EXIT_FAILURE);
1434
1435 default:
1436 #if UTMP_SUPPORT
1437 if (!OPTION (Opt_utmpInhibit))
1438 pty->login (cmd_pid, OPTION (Opt_loginShell), rs[Rs_display_name]);
1439 #endif
1440
1441 pty->close_tty ();
1442
1443 child_ev.start (cmd_pid);
1444
1445 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1446 break;
1447 }
1448 }
1449
1450 /* ------------------------------------------------------------------------- *
1451 * CHILD PROCESS OPERATIONS *
1452 * ------------------------------------------------------------------------- */
1453 /*
1454 * The only open file descriptor is the slave tty - so no error messages.
1455 * returns are fatal
1456 */
1457 int
1458 rxvt_term::run_child (const char *const *argv)
1459 {
1460 char *login;
1461
1462 SET_TTYMODE (STDIN_FILENO, &tio); /* init terminal attributes */
1463
1464 if (OPTION (Opt_console))
1465 { /* be virtual console, fail silently */
1466 #ifdef TIOCCONS
1467 unsigned int on = 1;
1468
1469 ioctl (STDIN_FILENO, TIOCCONS, &on);
1470 #elif defined (SRIOCSREDIR)
1471 int fd;
1472
1473 fd = open (CONSOLE, O_WRONLY, 0);
1474 if (fd >= 0)
1475 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1476 close (fd);
1477 #endif /* SRIOCSREDIR */
1478 }
1479
1480 /* reset signals and spin off the command interpreter */
1481 signal (SIGINT, SIG_DFL);
1482 signal (SIGQUIT, SIG_DFL);
1483 signal (SIGCHLD, SIG_DFL);
1484 signal (SIGHUP, SIG_DFL);
1485 signal (SIGPIPE, SIG_DFL);
1486 /*
1487 * mimick login's behavior by disabling the job control signals
1488 * a shell that wants them can turn them back on
1489 */
1490 #ifdef SIGTSTP
1491 signal (SIGTSTP, SIG_IGN);
1492 signal (SIGTTIN, SIG_IGN);
1493 signal (SIGTTOU, SIG_IGN);
1494 #endif /* SIGTSTP */
1495
1496 // unblock signals (signals are blocked by iom.C
1497 sigset_t ss;
1498 sigemptyset (&ss);
1499 sigprocmask (SIG_SETMASK, &ss, 0);
1500
1501 /* command interpreter path */
1502 if (argv != NULL)
1503 {
1504 # ifdef DEBUG_CMD
1505 int i;
1506
1507 for (i = 0; argv[i]; i++)
1508 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1509 # endif
1510
1511 execvp (argv[0], (char *const *)argv);
1512 /* no error message: STDERR is closed! */
1513 }
1514 else
1515 {
1516 const char *argv0, *shell;
1517
1518 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1519 shell = "/bin/sh";
1520
1521 argv0 = (const char *)rxvt_r_basename (shell);
1522
1523 if (OPTION (Opt_loginShell))
1524 {
1525 login = (char *)rxvt_malloc ((strlen (argv0) + 2) * sizeof (char));
1526
1527 login[0] = '-';
1528 strcpy (&login[1], argv0);
1529 argv0 = login;
1530 }
1531
1532 execlp (shell, argv0, NULL);
1533 /* no error message: STDERR is closed! */
1534 }
1535
1536 return -1;
1537 }
1538
1539 /*----------------------- end-of-file (C source) -----------------------*/