ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/init.C
Revision: 1.149
Committed: Thu Jan 19 09:47:15 2006 UTC (18 years, 4 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-7_1
Changes since 1.148: +4 -0 lines
Log Message:
*** empty log message ***

File Contents

# 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 #ifdef OFFIX_DND
209 "DndProtocol",
210 "DndSelection",
211 #endif
212 #if ENABLE_XEMBED
213 "_XEMBED",
214 "_XEMBED_INFO",
215 #endif
216 };
217
218 bool
219 rxvt_term::init_vars ()
220 {
221 pix_colors_focused = new rxvt_color [TOTAL_COLORS];
222 #ifdef OFF_FOCUS_FADING
223 pix_colors_unfocused = new rxvt_color [TOTAL_COLORS];
224 #endif
225 pix_colors = pix_colors_focused;
226
227 if (pix_colors == NULL)
228 return false;
229
230 #if defined(XPM_BACKGROUND) || defined(TRANSPARENT)
231 pixmap = None;
232 #endif
233
234 MEvent.time = CurrentTime;
235 MEvent.button = AnyButton;
236 options = DEFAULT_OPTIONS;
237 want_refresh = 1;
238 priv_modes = SavedModes = PrivMode_Default;
239 focus = 0;
240 ncol = 80;
241 nrow = 24;
242 int_bwidth = INTERNALBORDERWIDTH;
243 ext_bwidth = EXTERNALBORDERWIDTH;
244 lineSpace = LINESPACE;
245 saveLines = SAVELINES;
246 numpix_colors = TOTAL_COLORS;
247
248 refresh_limit = 1;
249 refresh_type = SLOW_REFRESH;
250 prev_nrow = prev_ncol = 0;
251
252 oldcursor.row = oldcursor.col = -1;
253 #ifdef XPM_BACKGROUND
254 /* bgPixmap.w = bgPixmap.h = 0; */
255 bgPixmap.x = bgPixmap.y = 50;
256 bgPixmap.pixmap = None;
257 #endif
258
259 last_bot = last_state = -1;
260
261 return true;
262 }
263
264 void
265 rxvt_term::init_secondary ()
266 {
267 int i;
268
269 /*
270 * Close all unused file descriptors
271 * We don't want them, we don't need them.
272 */
273 if ((i = open ("/dev/null", O_RDONLY)) < 0)
274 {
275 /* TODO: BOO HISS */
276 dup2 (STDERR_FILENO, STDIN_FILENO);
277 }
278 else if (i > STDIN_FILENO)
279 {
280 dup2 (i, STDIN_FILENO);
281 close (i);
282 }
283
284 dup2 (STDERR_FILENO, STDOUT_FILENO);
285
286 #if 0 // schmorp sayz closing filies is murder
287 for (i = STDERR_FILENO + 1; i < num_fds; i++)
288 {
289 #ifdef __sgi /* Alex Coventry says we need 4 & 7 too */
290 if (i == 4 || i == 7)
291 continue;
292 #endif
293 close (i);
294 }
295 #endif
296 }
297
298 /*----------------------------------------------------------------------*/
299 const char **
300 rxvt_term::init_resources (int argc, const char *const *argv)
301 {
302 int i, r_argc;
303 char *val;
304 const char **cmd_argv, **r_argv;
305
306 /*
307 * Look for -exec option. Find => split and make cmd_argv[] of command args
308 */
309 for (r_argc = 0; r_argc < argc; r_argc++)
310 if (!strcmp (argv[r_argc], "-e") || !strcmp (argv[r_argc], "-exec"))
311 break;
312
313 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
314
315 for (i = 0; i < r_argc; i++)
316 r_argv[i] = (const char *)argv[i];
317
318 r_argv[i] = NULL;
319
320 if (r_argc == argc)
321 cmd_argv = NULL;
322 else
323 {
324 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
325
326 for (i = 0; i < argc - r_argc - 1; i++)
327 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
328
329 cmd_argv[i] = NULL;
330 }
331
332 rs[Rs_name] = rxvt_r_basename (argv[0]);
333
334 /*
335 * Open display, get options/resources and create the window
336 */
337
338 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
339 rs[Rs_display_name] = ":0";
340
341 get_options (r_argc, r_argv);
342
343 if (!(display = displays.get (rs[Rs_display_name])))
344 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
345
346 extract_resources ();
347
348 free (r_argv);
349
350 /*
351 * set any defaults not already set
352 */
353 if (cmd_argv && cmd_argv[0])
354 {
355 if (!rs[Rs_title])
356 rs[Rs_title] = rxvt_r_basename (cmd_argv[0]);
357 if (!rs[Rs_iconName])
358 rs[Rs_iconName] = rs[Rs_title];
359 }
360 else
361 {
362 if (!rs[Rs_title])
363 rs[Rs_title] = rs[Rs_name];
364 if (!rs[Rs_iconName])
365 rs[Rs_iconName] = rs[Rs_name];
366 }
367
368 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
369 saveLines = min (i, MAX_SAVELINES);
370
371 #if ENABLE_FRILLS
372 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
373 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
374
375 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
376 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
377
378 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
379 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
380 #endif
381
382 #ifdef POINTER_BLANK
383 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
384 pointerBlankDelay = i;
385 else
386 pointerBlankDelay = 2;
387 #endif
388
389 /* no point having a scrollbar without having any scrollback! */
390 if (!saveLines)
391 set_option (Opt_scrollBar, 0);
392
393 #ifdef PRINTPIPE
394 if (!rs[Rs_print_pipe])
395 rs[Rs_print_pipe] = PRINTPIPE;
396 #endif
397
398 if (!rs[Rs_cutchars])
399 rs[Rs_cutchars] = CUTCHARS;
400
401 #ifndef NO_BACKSPACE_KEY
402 if (!rs[Rs_backspace_key])
403 # ifdef DEFAULT_BACKSPACE
404 key_backspace = DEFAULT_BACKSPACE;
405 # else
406 key_backspace = "DEC"; /* can toggle between \010 or \177 */
407 # endif
408 else
409 {
410 val = strdup (rs[Rs_backspace_key]);
411 rxvt_Str_trim (val);
412 rxvt_Str_escaped (val);
413 key_backspace = val;
414 }
415 #endif
416
417 #ifndef NO_DELETE_KEY
418 if (!rs[Rs_delete_key])
419 # ifdef DEFAULT_DELETE
420 key_delete = DEFAULT_DELETE;
421 # else
422 key_delete = "\033[3~";
423 # endif
424 else
425 {
426 val = strdup (rs[Rs_delete_key]);
427 rxvt_Str_trim (val);
428 rxvt_Str_escaped (val);
429 key_delete = val;
430 }
431 #endif
432 if (rs[Rs_answerbackstring])
433 {
434 rxvt_Str_trim ((char *)rs[Rs_answerbackstring]);
435 rxvt_Str_escaped ((char *)rs[Rs_answerbackstring]);
436 }
437
438 #ifdef HAVE_SCROLLBARS
439 setup_scrollbar (rs[Rs_scrollBar_align], rs[Rs_scrollstyle], rs[Rs_scrollBar_thickness]);
440 #endif
441
442 #ifdef XTERM_REVERSE_VIDEO
443 /* this is how xterm implements reverseVideo */
444 if (OPTION (Opt_reverseVideo))
445 {
446 if (!rs[Rs_color + Color_fg])
447 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
448 if (!rs[Rs_color + Color_bg])
449 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
450 }
451 #endif
452
453 for (i = 0; i < NRS_COLORS; i++)
454 if (!rs[Rs_color + i])
455 rs[Rs_color + i] = def_colorName[i];
456
457 #ifndef XTERM_REVERSE_VIDEO
458 /* this is how we implement reverseVideo */
459 if (OPTION (Opt_reverseVideo))
460 ::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]);
461 #endif
462
463 /* convenient aliases for setting fg/bg to colors */
464 color_aliases (Color_fg);
465 color_aliases (Color_bg);
466 #ifndef NO_CURSORCOLOR
467 color_aliases (Color_cursor);
468 color_aliases (Color_cursor2);
469 #endif /* NO_CURSORCOLOR */
470 color_aliases (Color_pointer_fg);
471 color_aliases (Color_pointer_bg);
472 color_aliases (Color_border);
473 #ifndef NO_BOLD_UNDERLINE_REVERSE
474 color_aliases (Color_BD);
475 color_aliases (Color_UL);
476 color_aliases (Color_RV);
477 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
478
479 if (!rs[Rs_color + Color_border])
480 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
481
482 return cmd_argv;
483 }
484
485 /*----------------------------------------------------------------------*/
486 void
487 rxvt_term::init_env ()
488 {
489 int i;
490 unsigned int u;
491 char *val;
492
493 #ifdef DISPLAY_IS_IP
494 /* Fixup display_name for export over pty to any interested terminal
495 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
496 * (for the first non-loopback interface) that we get from
497 * rxvt_network_display (). This is more "name-resolution-portable", if you
498 * will, and probably allows for faster x-client startup if your name
499 * server is beyond a slow link or overloaded at client startup. Of
500 * course that only helps the shell's child processes, not us.
501 *
502 * Giving out the display_name also affords a potential security hole
503 */
504 val = rxvt_network_display (rs[Rs_display_name]);
505 rs[Rs_display_name] = (const char *)val;
506
507 if (val == NULL)
508 #endif /* DISPLAY_IS_IP */
509 val = XDisplayString (display->display);
510
511 if (rs[Rs_display_name] == NULL)
512 rs[Rs_display_name] = val; /* use broken `:0' value */
513
514 i = strlen (val);
515 env_display = (char *)rxvt_malloc ((i + 9) * sizeof (char));
516
517 sprintf (env_display, "DISPLAY=%s", val);
518
519 /* avoiding the math library:
520 * i = (int) (ceil (log10 ((unsigned int)parent[0]))) */
521 for (i = 0, u = (unsigned int)parent[0]; u; u /= 10, i++)
522 ;
523 max_it (i, 1);
524 env_windowid = (char *)rxvt_malloc ((i + 10) * sizeof (char));
525
526 sprintf (env_windowid, "WINDOWID=%u",
527 (unsigned int)parent[0]);
528
529 /* add entries to the environment:
530 * @ DISPLAY: in case we started with -display
531 * @ WINDOWID: X window id number of the window
532 * @ COLORTERM: terminal sub-name and also indicates its color
533 * @ TERM: terminal name
534 * @ TERMINFO: path to terminfo directory
535 * @ COLORFGBG: fg;bg color codes
536 */
537 putenv (env_display);
538 putenv (env_windowid);
539 if (env_colorfgbg)
540 putenv (env_colorfgbg);
541
542 #ifdef RXVT_TERMINFO
543 putenv ("TERMINFO=" RXVT_TERMINFO);
544 #endif
545
546 if (display->depth <= 2)
547 putenv ("COLORTERM=" COLORTERMENV "-mono");
548 else
549 putenv ("COLORTERM=" COLORTERMENVFULL);
550
551 if (rs[Rs_term_name] != NULL)
552 {
553 env_term = (char *)rxvt_malloc ((strlen (rs[Rs_term_name]) + 6) * sizeof (char));
554 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
555 putenv (env_term);
556 }
557 else
558 putenv ("TERM=" TERMENV);
559
560 #ifdef HAVE_UNSETENV
561 /* avoid passing old settings and confusing term size */
562 unsetenv ("LINES");
563 unsetenv ("COLUMNS");
564 unsetenv ("TERMCAP"); /* terminfo should be okay */
565 #endif /* HAVE_UNSETENV */
566 }
567
568 /*----------------------------------------------------------------------*/
569 /*
570 * This is more or less stolen straight from XFree86 xterm.
571 * This should support all European type languages.
572 */
573 void
574 rxvt_term::set_locale (const char *locale)
575 {
576 set_environ (envv);
577
578 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
579 free (this->locale);
580 this->locale = setlocale (LC_CTYPE, locale);
581
582 if (!this->locale)
583 {
584 if (*locale)
585 {
586 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
587 setlocale (LC_CTYPE, "C");
588 }
589 else
590 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
591
592 this->locale = "C";
593 }
594
595
596 this->locale = rxvt_strdup (this->locale);
597 SET_LOCALE (this->locale);
598 mbstate.reset ();
599 #endif
600
601 #if HAVE_NL_LANGINFO
602 char *codeset = strdup (nl_langinfo (CODESET));
603 // /^UTF.?8/i
604 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
605 && (codeset[1] == 'T' || codeset[1] == 't')
606 && (codeset[2] == 'F' || codeset[2] == 'f')
607 && (codeset[3] == '8' || codeset[4] == '8');
608 free (codeset);
609 #else
610 enc_utf8 = 0;
611 #endif
612 }
613
614 void
615 rxvt_term::init_xlocale ()
616 {
617 set_environ (envv);
618
619 #ifdef USE_XIM
620 if (!locale)
621 rxvt_warn ("setting locale failed, working without locale support.\n");
622 else
623 {
624 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
625
626 if (!XSupportsLocale ())
627 {
628 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
629 return;
630 }
631
632 im_ev.start (display);
633
634 /* see if we can connect already */
635 im_cb ();
636 }
637 #endif
638 }
639
640 /*----------------------------------------------------------------------*/
641 void
642 rxvt_term::init_command (const char *const *argv)
643 {
644 /*
645 * Initialize the command connection.
646 * This should be called after the X server connection is established.
647 */
648
649 #ifdef META8_OPTION
650 meta_char = OPTION (Opt_meta8) ? 0x80 : C0_ESC;
651 #endif
652
653 get_ourmods ();
654
655 if (!OPTION (Opt_scrollTtyOutput))
656 priv_modes |= PrivMode_TtyOutputInh;
657 if (OPTION (Opt_scrollTtyKeypress))
658 priv_modes |= PrivMode_Keypress;
659 if (!OPTION (Opt_jumpScroll))
660 priv_modes |= PrivMode_smoothScroll;
661
662 #ifndef NO_BACKSPACE_KEY
663 if (strcmp (key_backspace, "DEC") == 0)
664 priv_modes |= PrivMode_HaveBackSpace;
665 #endif
666
667 /* add value for scrollBar */
668 if (scrollBar.state)
669 {
670 priv_modes |= PrivMode_scrollBar;
671 SavedModes |= PrivMode_scrollBar;
672 }
673
674 run_command (argv);
675 }
676
677 /*----------------------------------------------------------------------*/
678 void
679 rxvt_term::Get_Colours ()
680 {
681 int i;
682
683 #ifdef OFF_FOCUS_FADING
684 pix_colors = pix_colors_focused;
685 #endif
686
687 for (i = 0; i < (display->depth <= 2 ? 2 : NRS_COLORS); i++)
688 {
689 rxvt_color xcol;
690
691 if (!rs[Rs_color + i])
692 continue;
693
694 if (!rXParseAllocColor (&xcol, rs[Rs_color + i]))
695 {
696 #ifndef XTERM_REVERSE_VIDEO
697 if (i < 2 && OPTION (Opt_reverseVideo))
698 rs[Rs_color + i] = def_colorName[!i];
699 else
700 #endif
701 rs[Rs_color + i] = def_colorName[i];
702
703 if (!rs[Rs_color + i])
704 continue;
705
706 if (!rXParseAllocColor (&xcol, rs[Rs_color + i]))
707 {
708 switch (i)
709 {
710 case Color_fg:
711 case Color_bg:
712 /* fatal: need bg/fg color */
713 rxvt_fatal ("unable to get foreground/background colour, aborting.\n");
714 /* NOTREACHED */
715 break;
716 #ifndef NO_CURSORCOLOR
717 case Color_cursor2:
718 xcol = pix_colors[Color_fg];
719 break;
720 #endif /* ! NO_CURSORCOLOR */
721 case Color_pointer_fg:
722 xcol = pix_colors[Color_fg];
723 break;
724 default:
725 xcol = pix_colors[Color_bg]; /* None */
726 break;
727 }
728 }
729 }
730
731 pix_colors[i] = xcol;
732 SET_PIXCOLOR (i);
733 }
734
735 #ifdef OFF_FOCUS_FADING
736 if (rs[Rs_fade])
737 for (i = 0; i < (display->depth <= 2 ? 2 : NRS_COLORS); i++)
738 pix_colors_unfocused[i] = pix_colors_focused[i].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
739 #endif
740
741 if (display->depth <= 2)
742 {
743 if (!rs[Rs_color + Color_pointer_fg]) pix_colors[Color_pointer_fg] = pix_colors[Color_fg];
744 if (!rs[Rs_color + Color_pointer_bg]) pix_colors[Color_pointer_bg] = pix_colors[Color_bg];
745 if (!rs[Rs_color + Color_border] ) pix_colors[Color_border] = pix_colors[Color_fg];
746 }
747
748 /*
749 * get scrollBar shadow colors
750 *
751 * The calculations of topShadow/bottomShadow values are adapted
752 * from the fvwm window manager.
753 */
754 #ifdef KEEP_SCROLLCOLOR
755
756 if (display->depth <= 2)
757 {
758 /* Monochrome */
759 pix_colors[Color_scroll] = pix_colors[Color_fg];
760 pix_colors[Color_topShadow] = pix_colors[Color_bg];
761 pix_colors[Color_bottomShadow] = pix_colors[Color_bg];
762 }
763 else
764 {
765 rxvt_color xcol[2];
766 /* xcol[0] == white
767 * xcol[1] == top shadow
768 * xcol[2] == bot shadow */
769
770 xcol[1] = pix_colors[Color_scroll];
771 xcol[0].set (display, 65535, 65535, 65535);
772
773 unsigned short pr1, pg1, pb1, pr0, pg0, pb0;
774
775 xcol[0].get (display, pr0, pg0, pb0);
776 xcol[1].get (display, pr1, pg1, pb1);
777
778 pix_colors[Color_bottomShadow] = xcol[1].fade (display, 50);
779
780 /* topShadowColor */
781 if (!xcol[1].set (display,
782 min (pr0, max (pr0 / 5, pr1) * 7 / 5),
783 min (pg0, max (pg0 / 5, pg1) * 7 / 5),
784 min (pb0, max (pb0 / 5, pb1) * 7 / 5)))
785 xcol[1] = pix_colors[Color_White];
786
787 pix_colors[Color_topShadow] = xcol[1];
788 }
789 #endif /* KEEP_SCROLLCOLOR */
790 }
791
792 /*----------------------------------------------------------------------*/
793 /* color aliases, fg/bg bright-bold */
794 void
795 rxvt_term::color_aliases (int idx)
796 {
797 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
798 {
799 int i = atoi (rs[Rs_color + idx]);
800
801 if (i >= 8 && i <= 15)
802 { /* bright colors */
803 i -= 8;
804 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i];
805 return;
806 }
807
808 if (i >= 0 && i <= 7) /* normal colors */
809 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
810 }
811 }
812
813 /*----------------------------------------------------------------------*/
814 /*
815 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
816 * Use resource ``modifier'' to override the Meta modifier
817 */
818 void
819 rxvt_term::get_ourmods ()
820 {
821 int i, j, k;
822 int requestedmeta, realmeta, realalt;
823 const char *cm, *rsmod;
824 XModifierKeymap *map;
825 KeyCode *kc;
826 const unsigned int modmasks[] =
827 {
828 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
829 };
830
831 requestedmeta = realmeta = realalt = 0;
832 rsmod = rs[Rs_modifier];
833
834 if (rsmod
835 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
836 requestedmeta = rsmod[3] - '0';
837
838 map = XGetModifierMapping (display->display);
839 kc = map->modifiermap;
840
841 for (i = 1; i < 6; i++)
842 {
843 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
844
845 for (j = map->max_keypermod; j--; k++)
846 {
847 if (kc[k] == 0)
848 break;
849
850 switch (XKeycodeToKeysym (display->display, kc[k], 0))
851 {
852 case XK_Num_Lock:
853 ModNumLockMask = modmasks[i - 1];
854 continue;
855
856 case XK_ISO_Level3_Shift:
857 ModLevel3Mask = modmasks[i - 1];
858 continue;
859
860 case XK_Meta_L:
861 case XK_Meta_R:
862 cm = "meta";
863 realmeta = i;
864 break;
865
866 case XK_Alt_L:
867 case XK_Alt_R:
868 cm = "alt";
869 realalt = i;
870 break;
871
872 case XK_Super_L:
873 case XK_Super_R:
874 cm = "super";
875 break;
876
877 case XK_Hyper_L:
878 case XK_Hyper_R:
879 cm = "hyper";
880 break;
881
882 default:
883 continue;
884 }
885
886 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
887 requestedmeta = i;
888 }
889 }
890
891 XFreeModifiermap (map);
892
893 i = requestedmeta ? requestedmeta
894 : realmeta ? realmeta
895 : realalt ? realalt
896 : 0;
897
898 if (i)
899 ModMetaMask = modmasks[i - 1];
900 }
901
902 /*----------------------------------------------------------------------*/
903 /* rxvt_Create_Windows () - Open and map the window */
904 void
905 rxvt_term::create_windows (int argc, const char *const *argv)
906 {
907 XClassHint classHint;
908 XWMHints wmHint;
909 #if ENABLE_FRILLS
910 Atom prop = None;
911 MWMHints mwmhints;
912 #endif
913 XGCValues gcvalue;
914 XSetWindowAttributes attributes;
915 XWindowAttributes gattr;
916 Window top, parent;
917 dDisp;
918
919 #ifdef USING_W11LIB
920 /* enable W11 callbacks */
921 W11AddEventHandler (disp, rxvt_W11_process_x_event);
922 #endif
923
924 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
925 XInternAtoms (disp, (char **)xa_names, NUM_XA, False, xa);
926
927 if (OPTION (Opt_transparent))
928 {
929 XGetWindowAttributes (disp, RootWindow (disp, display->screen), &gattr);
930 display->depth = gattr.depth; // doh //TODO, per-term not per-display?
931 }
932
933 /* grab colors before netscape does */
934 Get_Colours ();
935
936 if (!set_fonts ())
937 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
938
939 parent = DefaultRootWindow (disp);
940
941 attributes.override_redirect = !!OPTION (Opt_override_redirect);
942
943 #if ENABLE_FRILLS
944 if (OPTION (Opt_borderLess))
945 {
946 prop = XInternAtom (disp, "_MOTIF_WM_INFO", True);
947
948 if (prop == None)
949 {
950 /* print_warning("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");*/
951 attributes.override_redirect = TRUE;
952 mwmhints.flags = 0;
953 }
954 else
955 {
956 mwmhints.flags = MWM_HINTS_DECORATIONS;
957 mwmhints.decorations = 0;
958 }
959 }
960 else
961 mwmhints.flags = 0;
962 #endif
963
964 #if ENABLE_XEMBED
965 if (rs[Rs_embed])
966 {
967 XWindowAttributes wattr;
968
969 parent = strtol (rs[Rs_embed], 0, 0);
970
971 if (!XGetWindowAttributes (disp, parent, &wattr))
972 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
973
974 window_calc (wattr.width, wattr.height);
975 }
976 #endif
977
978 window_calc (0, 0);
979
980 /* sub-window placement & size in rxvt_resize_subwindows () */
981 attributes.background_pixel = pix_colors_focused[Color_border];
982 attributes.border_pixel = pix_colors_focused[Color_border];
983 attributes.colormap = display->cmap;
984 top = XCreateWindow (disp, parent,
985 szHint.x, szHint.y,
986 szHint.width, szHint.height,
987 ext_bwidth,
988 display->depth, InputOutput,
989 display->visual,
990 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
991 &attributes);
992
993 this->parent[0] = top;
994
995 old_width = szHint.width;
996 old_height = szHint.height;
997
998 process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST);
999 process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST);
1000
1001 classHint.res_name = (char *)rs[Rs_name];
1002 classHint.res_class = (char *)RESCLASS;
1003
1004 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1005 wmHint.input = True;
1006 wmHint.initial_state = OPTION (Opt_iconic) ? IconicState : NormalState;
1007 wmHint.window_group = top;
1008
1009 XmbSetWMProperties (disp, top, NULL, NULL, (char **)argv, argc,
1010 &szHint, &wmHint, &classHint);
1011
1012 Atom protocols[] = {
1013 xa[XA_WM_DELETE_WINDOW],
1014 #if ENABLE_EWMH
1015 xa[XA_NET_WM_PING],
1016 #endif
1017 };
1018
1019 XSetWMProtocols (disp, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
1020
1021 #if ENABLE_FRILLS
1022 if (rs[Rs_transient_for])
1023 XSetTransientForHint (disp, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
1024 #endif
1025
1026 #if ENABLE_EWMH
1027 long pid = getpid ();
1028
1029 XChangeProperty (disp, top,
1030 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
1031 PropModeReplace, (unsigned char *)&pid, 1);
1032
1033 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1034 #endif
1035
1036 XSelectInput (disp, top,
1037 KeyPressMask
1038 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1039 | KeyReleaseMask
1040 #endif
1041 | FocusChangeMask | VisibilityChangeMask
1042 | ExposureMask | StructureNotifyMask);
1043
1044 termwin_ev.start (display, top);
1045
1046 #if ENABLE_FRILLS
1047 if (mwmhints.flags)
1048 XChangeProperty (disp, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
1049 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
1050 #endif
1051
1052 /* vt cursor: Black-on-White is standard, but this is more popular */
1053 TermWin_cursor = XCreateFontCursor (disp, XC_xterm);
1054
1055 #ifdef HAVE_SCROLLBARS
1056 /* cursor scrollBar: Black-on-White */
1057 leftptr_cursor = XCreateFontCursor (disp, XC_left_ptr);
1058 #endif
1059
1060 /* the vt window */
1061 vt = XCreateSimpleWindow (disp, top,
1062 window_vt_x,
1063 window_vt_y,
1064 width,
1065 height,
1066 0,
1067 pix_colors_focused[Color_fg],
1068 pix_colors_focused[Color_bg]);
1069 #ifdef DEBUG_X
1070 XStoreName (disp, vt, "vt window");
1071 #endif
1072
1073 attributes.bit_gravity = NorthWestGravity;
1074 XChangeWindowAttributes (disp, vt, CWBitGravity, &attributes);
1075
1076 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1077
1078 if (OPTION (Opt_pointerBlank))
1079 vt_emask |= PointerMotionMask;
1080 else
1081 vt_emask |= Button1MotionMask | Button3MotionMask;
1082
1083 vt_select_input ();
1084
1085 vt_ev.start (display, vt);
1086
1087 #ifdef XPM_BACKGROUND
1088 if (rs[Rs_backgroundPixmap] != NULL
1089 && ! OPTION (Opt_transparent))
1090 {
1091 const char *p = rs[Rs_backgroundPixmap];
1092
1093 if ((p = strchr (p, ';')) != NULL)
1094 {
1095 p++;
1096 scale_pixmap (p);
1097 }
1098
1099 set_bgPixmap (rs[Rs_backgroundPixmap]);
1100 scr_touch (true);
1101 }
1102 #endif
1103
1104 /* graphics context for the vt window */
1105 gcvalue.foreground = pix_colors[Color_fg];
1106 gcvalue.background = pix_colors[Color_bg];
1107 gcvalue.graphics_exposures = 1;
1108 gc = XCreateGC (disp, vt,
1109 GCForeground | GCBackground | GCGraphicsExposures,
1110 &gcvalue);
1111
1112 drawable = new rxvt_drawable (display, vt);
1113
1114 #ifdef RXVT_SCROLLBAR
1115 gcvalue.foreground = pix_colors[Color_topShadow];
1116 topShadowGC = XCreateGC (disp, vt, GCForeground, &gcvalue);
1117 gcvalue.foreground = pix_colors[Color_bottomShadow];
1118 botShadowGC = XCreateGC (disp, vt, GCForeground, &gcvalue);
1119 gcvalue.foreground = pix_colors[ (display->depth <= 2 ? Color_fg : Color_scroll)];
1120 scrollbarGC = XCreateGC (disp, vt, GCForeground, &gcvalue);
1121 #endif
1122
1123 #ifdef OFF_FOCUS_FADING
1124 // initially we are in unfocused state
1125 if (rs[Rs_fade])
1126 pix_colors = pix_colors_unfocused;
1127 #endif
1128
1129 pointer_unblank ();
1130 scr_recolour ();
1131
1132 #if ENABLE_XEMBED
1133 if (rs[Rs_embed])
1134 {
1135 long info[2] = { 0, XEMBED_MAPPED };
1136
1137 XChangeProperty (disp, parent, xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
1138 32, PropModeReplace, (unsigned char *)&info, 2);
1139 }
1140 #endif
1141 }
1142
1143 /* ------------------------------------------------------------------------- *
1144 * GET TTY CURRENT STATE *
1145 * ------------------------------------------------------------------------- */
1146 void
1147 rxvt_get_ttymode (ttymode_t *tio, int erase)
1148 {
1149 #ifdef HAVE_TERMIOS_H
1150 /*
1151 * standard System V termios interface
1152 */
1153 if (GET_TERMIOS (STDIN_FILENO, tio) < 0)
1154 {
1155 // return error - use system defaults,
1156 // where possible, and zero elsewhere
1157 memset (tio, 0, sizeof (ttymode_t));
1158
1159 tio->c_cc[VINTR] = CINTR;
1160 tio->c_cc[VQUIT] = CQUIT;
1161 tio->c_cc[VERASE] = CERASE;
1162 #ifdef VERASE2
1163 tio->c_cc[VERASE2] = CERASE2;
1164 #endif
1165 tio->c_cc[VKILL] = CKILL;
1166 tio->c_cc[VSTART] = CSTART;
1167 tio->c_cc[VSTOP] = CSTOP;
1168 tio->c_cc[VSUSP] = CSUSP;
1169 # ifdef VDSUSP
1170 tio->c_cc[VDSUSP] = CDSUSP;
1171 # endif
1172 # ifdef VREPRINT
1173 tio->c_cc[VREPRINT] = CRPRNT;
1174 # endif
1175 # ifdef VDISCRD
1176 tio->c_cc[VDISCRD] = CFLUSH;
1177 # endif
1178 # ifdef VWERSE
1179 tio->c_cc[VWERSE] = CWERASE;
1180 # endif
1181 # ifdef VLNEXT
1182 tio->c_cc[VLNEXT] = CLNEXT;
1183 # endif
1184 }
1185
1186 tio->c_cc[VEOF] = CEOF;
1187 tio->c_cc[VEOL] = VDISABLE;
1188 # ifdef VEOL2
1189 tio->c_cc[VEOL2] = VDISABLE;
1190 # endif
1191 # ifdef VSWTC
1192 tio->c_cc[VSWTC] = VDISABLE;
1193 # endif
1194 # ifdef VSWTCH
1195 tio->c_cc[VSWTCH] = VDISABLE;
1196 # endif
1197 # if VMIN != VEOF
1198 tio->c_cc[VMIN] = 1;
1199 # endif
1200 # if VTIME != VEOL
1201 tio->c_cc[VTIME] = 0;
1202 # endif
1203
1204 if (erase != -1)
1205 tio->c_cc[VERASE] = (char)erase;
1206
1207 /* input modes */
1208 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1209 # ifdef IMAXBEL
1210 | IMAXBEL
1211 # endif
1212 | IXON);
1213
1214 /* output modes */
1215 tio->c_oflag = (OPOST | ONLCR);
1216
1217 /* control modes */
1218 tio->c_cflag = (CS8 | CREAD);
1219
1220 /* line discipline modes */
1221 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1222 # if defined (ECHOCTL) && defined (ECHOKE)
1223 | ECHOCTL | ECHOKE
1224 # endif
1225 | ECHOE | ECHOK);
1226 # else /* HAVE_TERMIOS_H */
1227
1228 /*
1229 * sgtty interface
1230 */
1231
1232 /* get parameters -- gtty */
1233 if (ioctl (STDIN_FILENO, TIOCGETP, & (tio->sg)) < 0)
1234 {
1235 tio->sg.sg_erase = CERASE; /* ^H */
1236 tio->sg.sg_kill = CKILL; /* ^U */
1237 }
1238
1239 if (erase != -1)
1240 tio->sg.sg_erase = (char)erase;
1241
1242 tio->sg.sg_flags = (CRMOD | ECHO | EVENP | ODDP);
1243
1244 /* get special characters */
1245 if (ioctl (STDIN_FILENO, TIOCGETC, & (tio->tc)) < 0)
1246 {
1247 tio->tc.t_intrc = CINTR; /* ^C */
1248 tio->tc.t_quitc = CQUIT; /* ^\ */
1249 tio->tc.t_startc = CSTART; /* ^Q */
1250 tio->tc.t_stopc = CSTOP; /* ^S */
1251 tio->tc.t_eofc = CEOF; /* ^D */
1252 tio->tc.t_brkc = -1;
1253 }
1254
1255 /* get local special chars */
1256 if (ioctl (STDIN_FILENO, TIOCGLTC, & (tio->lc)) < 0)
1257 {
1258 tio->lc.t_suspc = CSUSP; /* ^Z */
1259 tio->lc.t_dsuspc = CDSUSP; /* ^Y */
1260 tio->lc.t_rprntc = CRPRNT; /* ^R */
1261 tio->lc.t_flushc = CFLUSH; /* ^O */
1262 tio->lc.t_werasc = CWERASE; /* ^W */
1263 tio->lc.t_lnextc = CLNEXT; /* ^V */
1264 }
1265 /* get line discipline */
1266 ioctl (STDIN_FILENO, TIOCGETD, & (tio->line));
1267 # ifdef NTTYDISC
1268 tio->line = NTTYDISC;
1269 # endif /* NTTYDISC */
1270
1271 tio->local = (LCRTBS | LCRTERA | LCTLECH | LPASS8 | LCRTKIL);
1272 #endif /* HAVE_TERMIOS_H */
1273
1274 /*
1275 * Debugging
1276 */
1277 #ifdef DEBUG_TTYMODE
1278 #ifdef HAVE_TERMIOS_H
1279 /* c_iflag bits */
1280 fprintf (stderr, "Input flags\n");
1281
1282 /* cpp token stringize doesn't work on all machines <sigh> */
1283 # define FOO(flag,name) \
1284 if ((tio->c_iflag) & flag) \
1285 fprintf (stderr, "%s ", name)
1286
1287 /* c_iflag bits */
1288 FOO (IGNBRK, "IGNBRK");
1289 FOO (BRKINT, "BRKINT");
1290 FOO (IGNPAR, "IGNPAR");
1291 FOO (PARMRK, "PARMRK");
1292 FOO (INPCK, "INPCK");
1293 FOO (ISTRIP, "ISTRIP");
1294 FOO (INLCR, "INLCR");
1295 FOO (IGNCR, "IGNCR");
1296 FOO (ICRNL, "ICRNL");
1297 FOO (IXON, "IXON");
1298 FOO (IXOFF, "IXOFF");
1299 # ifdef IUCLC
1300 FOO (IUCLC, "IUCLC");
1301 # endif
1302 # ifdef IXANY
1303 FOO (IXANY, "IXANY");
1304 # endif
1305 # ifdef IMAXBEL
1306 FOO (IMAXBEL, "IMAXBEL");
1307 # endif
1308
1309 fprintf (stderr, "\n");
1310
1311 # undef FOO
1312 # define FOO(entry, name) \
1313 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1314
1315 FOO (VINTR, "VINTR");
1316 FOO (VQUIT, "VQUIT");
1317 FOO (VERASE, "VERASE");
1318 FOO (VKILL, "VKILL");
1319 FOO (VEOF, "VEOF");
1320 FOO (VEOL, "VEOL");
1321 # ifdef VEOL2
1322 FOO (VEOL2, "VEOL2");
1323 # endif
1324 # ifdef VSWTC
1325 FOO (VSWTC, "VSWTC");
1326 # endif
1327 # ifdef VSWTCH
1328 FOO (VSWTCH, "VSWTCH");
1329 # endif
1330 FOO (VSTART, "VSTART");
1331 FOO (VSTOP, "VSTOP");
1332 FOO (VSUSP, "VSUSP");
1333 # ifdef VDSUSP
1334 FOO (VDSUSP, "VDSUSP");
1335 # endif
1336 # ifdef VREPRINT
1337 FOO (VREPRINT, "VREPRINT");
1338 # endif
1339 # ifdef VDISCRD
1340 FOO (VDISCRD, "VDISCRD");
1341 # endif
1342 # ifdef VWERSE
1343 FOO (VWERSE, "VWERSE");
1344 # endif
1345 # ifdef VLNEXT
1346 FOO (VLNEXT, "VLNEXT");
1347 # endif
1348
1349 fprintf (stderr, "\n");
1350 # undef FOO
1351 # endif /* HAVE_TERMIOS_H */
1352 #endif /* DEBUG_TTYMODE */
1353 }
1354
1355 /*----------------------------------------------------------------------*/
1356 /*
1357 * Run the command in a subprocess and return a file descriptor for the
1358 * master end of the pseudo-teletype pair with the command talking to
1359 * the slave.
1360 */
1361 void
1362 rxvt_term::run_command (const char *const *argv)
1363 {
1364 #if ENABLE_FRILLS
1365 if (rs[Rs_pty_fd])
1366 {
1367 pty->pty = atoi (rs[Rs_pty_fd]);
1368
1369 if (pty->pty >= 0)
1370 {
1371 if (getfd_hook)
1372 pty->pty = (*getfd_hook) (pty->pty);
1373
1374 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1375 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1376 }
1377 }
1378 else
1379 #endif
1380 if (!pty->get ())
1381 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1382
1383 pty->set_utf8_mode (enc_utf8);
1384
1385 /* set initial window size */
1386 tt_winch ();
1387
1388 int er;
1389
1390 #ifndef NO_BACKSPACE_KEY
1391 if (key_backspace[0] && !key_backspace[1])
1392 er = key_backspace[0];
1393 else if (strcmp (key_backspace, "DEC") == 0)
1394 er = '\177'; /* the initial state anyway */
1395 else
1396 #endif
1397 er = -1;
1398
1399 rxvt_get_ttymode (&tio, er);
1400
1401 #if ENABLE_FRILLS
1402 if (rs[Rs_pty_fd])
1403 return;
1404 #endif
1405
1406 /* spin off the command interpreter */
1407 switch (cmd_pid = fork ())
1408 {
1409 case -1:
1410 {
1411 cmd_pid = 0;
1412 rxvt_fatal ("can't fork, aborting.\n");
1413 }
1414 case 0:
1415 init_env ();
1416
1417 if (!pty->make_controlling_tty ())
1418 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1419 else
1420 {
1421 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1422 dup2 (pty->tty, STDIN_FILENO);
1423 dup2 (pty->tty, STDOUT_FILENO);
1424 dup2 (pty->tty, STDERR_FILENO);
1425
1426 // close all our file handles that we do no longer need
1427 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1428 {
1429 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1430 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1431 }
1432
1433 run_child (argv);
1434 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1435 }
1436
1437 _exit (EXIT_FAILURE);
1438
1439 default:
1440 #if UTMP_SUPPORT
1441 if (!OPTION (Opt_utmpInhibit))
1442 pty->login (cmd_pid, OPTION (Opt_loginShell), rs[Rs_display_name]);
1443 #endif
1444
1445 pty->close_tty ();
1446
1447 child_ev.start (cmd_pid);
1448
1449 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1450 break;
1451 }
1452 }
1453
1454 /* ------------------------------------------------------------------------- *
1455 * CHILD PROCESS OPERATIONS *
1456 * ------------------------------------------------------------------------- */
1457 /*
1458 * The only open file descriptor is the slave tty - so no error messages.
1459 * returns are fatal
1460 */
1461 int
1462 rxvt_term::run_child (const char *const *argv)
1463 {
1464 char *login;
1465
1466 SET_TTYMODE (STDIN_FILENO, &tio); /* init terminal attributes */
1467
1468 if (OPTION (Opt_console))
1469 { /* be virtual console, fail silently */
1470 #ifdef TIOCCONS
1471 unsigned int on = 1;
1472
1473 ioctl (STDIN_FILENO, TIOCCONS, &on);
1474 #elif defined (SRIOCSREDIR)
1475 int fd;
1476
1477 fd = open (CONSOLE, O_WRONLY, 0);
1478 if (fd >= 0)
1479 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1480 close (fd);
1481 #endif /* SRIOCSREDIR */
1482 }
1483
1484 /* reset signals and spin off the command interpreter */
1485 signal (SIGINT, SIG_DFL);
1486 signal (SIGQUIT, SIG_DFL);
1487 signal (SIGCHLD, SIG_DFL);
1488 signal (SIGHUP, SIG_DFL);
1489 signal (SIGPIPE, SIG_DFL);
1490 /*
1491 * mimick login's behavior by disabling the job control signals
1492 * a shell that wants them can turn them back on
1493 */
1494 #ifdef SIGTSTP
1495 signal (SIGTSTP, SIG_IGN);
1496 signal (SIGTTIN, SIG_IGN);
1497 signal (SIGTTOU, SIG_IGN);
1498 #endif /* SIGTSTP */
1499
1500 // unblock signals (signals are blocked by iom.C
1501 sigset_t ss;
1502 sigemptyset (&ss);
1503 sigprocmask (SIG_SETMASK, &ss, 0);
1504
1505 /* command interpreter path */
1506 if (argv != NULL)
1507 {
1508 # ifdef DEBUG_CMD
1509 int i;
1510
1511 for (i = 0; argv[i]; i++)
1512 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1513 # endif
1514
1515 execvp (argv[0], (char *const *)argv);
1516 /* no error message: STDERR is closed! */
1517 }
1518 else
1519 {
1520 const char *argv0, *shell;
1521
1522 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1523 shell = "/bin/sh";
1524
1525 argv0 = (const char *)rxvt_r_basename (shell);
1526
1527 if (OPTION (Opt_loginShell))
1528 {
1529 login = (char *)rxvt_malloc ((strlen (argv0) + 2) * sizeof (char));
1530
1531 login[0] = '-';
1532 strcpy (&login[1], argv0);
1533 argv0 = login;
1534 }
1535
1536 execlp (shell, argv0, NULL);
1537 /* no error message: STDERR is closed! */
1538 }
1539
1540 return -1;
1541 }
1542
1543 /*----------------------- end-of-file (C source) -----------------------*/