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/cvs/rxvt-unicode/src/init.C
Revision: 1.199
Committed: Fri Aug 3 22:40:10 2007 UTC (16 years, 9 months ago) by sasha
Content type: text/plain
Branch: MAIN
Changes since 1.198: +6 -4 lines
Log Message:
updated comments explaining pixmap geometry string; added differentiation between HAVE_AFTERIMAGE and XPM_BACKGROUND; began moving background handling functions under bgPixmap_t - work in progress

File Contents

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