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Revision: 1.152
Committed: Sat Jan 21 22:38:05 2006 UTC (18 years, 4 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-7_2
Changes since 1.151: +0 -2 lines
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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 #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 #if ENABLE_PERL
347 if (!rs[Rs_perl_ext_1])
348 rs[Rs_perl_ext_1] = "default";
349
350 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
351 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
352 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
353 {
354 rxvt_perl.init (this);
355 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
356 }
357 #endif
358
359 /*
360 * set any defaults not already set
361 */
362 if (cmd_argv && cmd_argv[0])
363 {
364 if (!rs[Rs_title])
365 rs[Rs_title] = rxvt_r_basename (cmd_argv[0]);
366 if (!rs[Rs_iconName])
367 rs[Rs_iconName] = rs[Rs_title];
368 }
369 else
370 {
371 if (!rs[Rs_title])
372 rs[Rs_title] = rs[Rs_name];
373 if (!rs[Rs_iconName])
374 rs[Rs_iconName] = rs[Rs_name];
375 }
376
377 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
378 saveLines = min (i, MAX_SAVELINES);
379
380 #if ENABLE_FRILLS
381 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
382 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
383
384 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
385 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
386
387 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
388 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
389 #endif
390
391 #ifdef POINTER_BLANK
392 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
393 pointerBlankDelay = i;
394 else
395 pointerBlankDelay = 2;
396 #endif
397
398 /* no point having a scrollbar without having any scrollback! */
399 if (!saveLines)
400 set_option (Opt_scrollBar, 0);
401
402 #ifdef PRINTPIPE
403 if (!rs[Rs_print_pipe])
404 rs[Rs_print_pipe] = PRINTPIPE;
405 #endif
406
407 if (!rs[Rs_cutchars])
408 rs[Rs_cutchars] = CUTCHARS;
409
410 #ifndef NO_BACKSPACE_KEY
411 if (!rs[Rs_backspace_key])
412 # ifdef DEFAULT_BACKSPACE
413 key_backspace = DEFAULT_BACKSPACE;
414 # else
415 key_backspace = "DEC"; /* can toggle between \010 or \177 */
416 # endif
417 else
418 {
419 val = strdup (rs[Rs_backspace_key]);
420 rxvt_Str_trim (val);
421 rxvt_Str_escaped (val);
422 key_backspace = val;
423 }
424 #endif
425
426 #ifndef NO_DELETE_KEY
427 if (!rs[Rs_delete_key])
428 # ifdef DEFAULT_DELETE
429 key_delete = DEFAULT_DELETE;
430 # else
431 key_delete = "\033[3~";
432 # endif
433 else
434 {
435 val = strdup (rs[Rs_delete_key]);
436 rxvt_Str_trim (val);
437 rxvt_Str_escaped (val);
438 key_delete = val;
439 }
440 #endif
441 if (rs[Rs_answerbackstring])
442 {
443 rxvt_Str_trim ((char *)rs[Rs_answerbackstring]);
444 rxvt_Str_escaped ((char *)rs[Rs_answerbackstring]);
445 }
446
447 #ifdef HAVE_SCROLLBARS
448 setup_scrollbar (rs[Rs_scrollBar_align], rs[Rs_scrollstyle], rs[Rs_scrollBar_thickness]);
449 #endif
450
451 #ifdef XTERM_REVERSE_VIDEO
452 /* this is how xterm implements reverseVideo */
453 if (OPTION (Opt_reverseVideo))
454 {
455 if (!rs[Rs_color + Color_fg])
456 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
457 if (!rs[Rs_color + Color_bg])
458 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
459 }
460 #endif
461
462 for (i = 0; i < NRS_COLORS; i++)
463 if (!rs[Rs_color + i])
464 rs[Rs_color + i] = def_colorName[i];
465
466 #ifndef XTERM_REVERSE_VIDEO
467 /* this is how we implement reverseVideo */
468 if (OPTION (Opt_reverseVideo))
469 ::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]);
470 #endif
471
472 /* convenient aliases for setting fg/bg to colors */
473 color_aliases (Color_fg);
474 color_aliases (Color_bg);
475 #ifndef NO_CURSORCOLOR
476 color_aliases (Color_cursor);
477 color_aliases (Color_cursor2);
478 #endif /* NO_CURSORCOLOR */
479 color_aliases (Color_pointer_fg);
480 color_aliases (Color_pointer_bg);
481 color_aliases (Color_border);
482 #ifndef NO_BOLD_UNDERLINE_REVERSE
483 color_aliases (Color_BD);
484 color_aliases (Color_UL);
485 color_aliases (Color_RV);
486 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
487
488 if (!rs[Rs_color + Color_border])
489 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
490
491 return cmd_argv;
492 }
493
494 /*----------------------------------------------------------------------*/
495 void
496 rxvt_term::init_env ()
497 {
498 int i;
499 unsigned int u;
500 char *val;
501
502 #ifdef DISPLAY_IS_IP
503 /* Fixup display_name for export over pty to any interested terminal
504 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
505 * (for the first non-loopback interface) that we get from
506 * rxvt_network_display (). This is more "name-resolution-portable", if you
507 * will, and probably allows for faster x-client startup if your name
508 * server is beyond a slow link or overloaded at client startup. Of
509 * course that only helps the shell's child processes, not us.
510 *
511 * Giving out the display_name also affords a potential security hole
512 */
513 val = rxvt_network_display (rs[Rs_display_name]);
514 rs[Rs_display_name] = (const char *)val;
515
516 if (val == NULL)
517 #endif /* DISPLAY_IS_IP */
518 val = XDisplayString (display->display);
519
520 if (rs[Rs_display_name] == NULL)
521 rs[Rs_display_name] = val; /* use broken `:0' value */
522
523 i = strlen (val);
524 env_display = (char *)rxvt_malloc ((i + 9) * sizeof (char));
525
526 sprintf (env_display, "DISPLAY=%s", val);
527
528 /* avoiding the math library:
529 * i = (int) (ceil (log10 ((unsigned int)parent[0]))) */
530 for (i = 0, u = (unsigned int)parent[0]; u; u /= 10, i++)
531 ;
532 max_it (i, 1);
533 env_windowid = (char *)rxvt_malloc ((i + 10) * sizeof (char));
534
535 sprintf (env_windowid, "WINDOWID=%u",
536 (unsigned int)parent[0]);
537
538 /* add entries to the environment:
539 * @ DISPLAY: in case we started with -display
540 * @ WINDOWID: X window id number of the window
541 * @ COLORTERM: terminal sub-name and also indicates its color
542 * @ TERM: terminal name
543 * @ TERMINFO: path to terminfo directory
544 * @ COLORFGBG: fg;bg color codes
545 */
546 putenv (env_display);
547 putenv (env_windowid);
548 if (env_colorfgbg)
549 putenv (env_colorfgbg);
550
551 #ifdef RXVT_TERMINFO
552 putenv ("TERMINFO=" RXVT_TERMINFO);
553 #endif
554
555 if (display->depth <= 2)
556 putenv ("COLORTERM=" COLORTERMENV "-mono");
557 else
558 putenv ("COLORTERM=" COLORTERMENVFULL);
559
560 if (rs[Rs_term_name] != NULL)
561 {
562 env_term = (char *)rxvt_malloc ((strlen (rs[Rs_term_name]) + 6) * sizeof (char));
563 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
564 putenv (env_term);
565 }
566 else
567 putenv ("TERM=" TERMENV);
568
569 #ifdef HAVE_UNSETENV
570 /* avoid passing old settings and confusing term size */
571 unsetenv ("LINES");
572 unsetenv ("COLUMNS");
573 unsetenv ("TERMCAP"); /* terminfo should be okay */
574 #endif /* HAVE_UNSETENV */
575 }
576
577 /*----------------------------------------------------------------------*/
578 /*
579 * This is more or less stolen straight from XFree86 xterm.
580 * This should support all European type languages.
581 */
582 void
583 rxvt_term::set_locale (const char *locale)
584 {
585 set_environ (envv);
586
587 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
588 free (this->locale);
589 this->locale = setlocale (LC_CTYPE, locale);
590
591 if (!this->locale)
592 {
593 if (*locale)
594 {
595 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
596 setlocale (LC_CTYPE, "C");
597 }
598 else
599 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
600
601 this->locale = "C";
602 }
603
604
605 this->locale = rxvt_strdup (this->locale);
606 SET_LOCALE (this->locale);
607 mbstate.reset ();
608 #endif
609
610 #if HAVE_NL_LANGINFO
611 char *codeset = strdup (nl_langinfo (CODESET));
612 // /^UTF.?8/i
613 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
614 && (codeset[1] == 'T' || codeset[1] == 't')
615 && (codeset[2] == 'F' || codeset[2] == 'f')
616 && (codeset[3] == '8' || codeset[4] == '8');
617 free (codeset);
618 #else
619 enc_utf8 = 0;
620 #endif
621 }
622
623 void
624 rxvt_term::init_xlocale ()
625 {
626 set_environ (envv);
627
628 #ifdef USE_XIM
629 if (!locale)
630 rxvt_warn ("setting locale failed, working without locale support.\n");
631 else
632 {
633 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
634
635 if (!XSupportsLocale ())
636 {
637 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
638 return;
639 }
640
641 im_ev.start (display);
642
643 /* see if we can connect already */
644 im_cb ();
645 }
646 #endif
647 }
648
649 /*----------------------------------------------------------------------*/
650 void
651 rxvt_term::init_command (const char *const *argv)
652 {
653 /*
654 * Initialize the command connection.
655 * This should be called after the X server connection is established.
656 */
657
658 #ifdef META8_OPTION
659 meta_char = OPTION (Opt_meta8) ? 0x80 : C0_ESC;
660 #endif
661
662 get_ourmods ();
663
664 if (!OPTION (Opt_scrollTtyOutput))
665 priv_modes |= PrivMode_TtyOutputInh;
666 if (OPTION (Opt_scrollTtyKeypress))
667 priv_modes |= PrivMode_Keypress;
668 if (!OPTION (Opt_jumpScroll))
669 priv_modes |= PrivMode_smoothScroll;
670
671 #ifndef NO_BACKSPACE_KEY
672 if (strcmp (key_backspace, "DEC") == 0)
673 priv_modes |= PrivMode_HaveBackSpace;
674 #endif
675
676 /* add value for scrollBar */
677 if (scrollBar.state)
678 {
679 priv_modes |= PrivMode_scrollBar;
680 SavedModes |= PrivMode_scrollBar;
681 }
682
683 run_command (argv);
684 }
685
686 /*----------------------------------------------------------------------*/
687 void
688 rxvt_term::Get_Colours ()
689 {
690 int i;
691
692 #ifdef OFF_FOCUS_FADING
693 pix_colors = pix_colors_focused;
694 #endif
695
696 for (i = 0; i < (display->depth <= 2 ? 2 : NRS_COLORS); i++)
697 {
698 rxvt_color xcol;
699
700 if (!rs[Rs_color + i])
701 continue;
702
703 if (!rXParseAllocColor (&xcol, rs[Rs_color + i]))
704 {
705 #ifndef XTERM_REVERSE_VIDEO
706 if (i < 2 && OPTION (Opt_reverseVideo))
707 rs[Rs_color + i] = def_colorName[!i];
708 else
709 #endif
710 rs[Rs_color + i] = def_colorName[i];
711
712 if (!rs[Rs_color + i])
713 continue;
714
715 if (!rXParseAllocColor (&xcol, rs[Rs_color + i]))
716 {
717 switch (i)
718 {
719 case Color_fg:
720 case Color_bg:
721 /* fatal: need bg/fg color */
722 rxvt_fatal ("unable to get foreground/background colour, aborting.\n");
723 /* NOTREACHED */
724 break;
725 #ifndef NO_CURSORCOLOR
726 case Color_cursor2:
727 xcol = pix_colors[Color_fg];
728 break;
729 #endif /* ! NO_CURSORCOLOR */
730 case Color_pointer_fg:
731 xcol = pix_colors[Color_fg];
732 break;
733 default:
734 xcol = pix_colors[Color_bg]; /* None */
735 break;
736 }
737 }
738 }
739
740 pix_colors[i] = xcol;
741 SET_PIXCOLOR (i);
742 }
743
744 #ifdef OFF_FOCUS_FADING
745 if (rs[Rs_fade])
746 for (i = 0; i < (display->depth <= 2 ? 2 : NRS_COLORS); i++)
747 pix_colors_unfocused[i] = pix_colors_focused[i].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
748 #endif
749
750 if (display->depth <= 2)
751 {
752 if (!rs[Rs_color + Color_pointer_fg]) pix_colors[Color_pointer_fg] = pix_colors[Color_fg];
753 if (!rs[Rs_color + Color_pointer_bg]) pix_colors[Color_pointer_bg] = pix_colors[Color_bg];
754 if (!rs[Rs_color + Color_border] ) pix_colors[Color_border] = pix_colors[Color_fg];
755 }
756
757 /*
758 * get scrollBar shadow colors
759 *
760 * The calculations of topShadow/bottomShadow values are adapted
761 * from the fvwm window manager.
762 */
763 #ifdef KEEP_SCROLLCOLOR
764
765 if (display->depth <= 2)
766 {
767 /* Monochrome */
768 pix_colors[Color_scroll] = pix_colors[Color_fg];
769 pix_colors[Color_topShadow] = pix_colors[Color_bg];
770 pix_colors[Color_bottomShadow] = pix_colors[Color_bg];
771 }
772 else
773 {
774 rxvt_color xcol[2];
775 /* xcol[0] == white
776 * xcol[1] == top shadow
777 * xcol[2] == bot shadow */
778
779 xcol[1] = pix_colors[Color_scroll];
780 xcol[0].set (display, 65535, 65535, 65535);
781
782 unsigned short pr1, pg1, pb1, pr0, pg0, pb0;
783
784 xcol[0].get (display, pr0, pg0, pb0);
785 xcol[1].get (display, pr1, pg1, pb1);
786
787 pix_colors[Color_bottomShadow] = xcol[1].fade (display, 50);
788
789 /* topShadowColor */
790 if (!xcol[1].set (display,
791 min (pr0, max (pr0 / 5, pr1) * 7 / 5),
792 min (pg0, max (pg0 / 5, pg1) * 7 / 5),
793 min (pb0, max (pb0 / 5, pb1) * 7 / 5)))
794 xcol[1] = pix_colors[Color_White];
795
796 pix_colors[Color_topShadow] = xcol[1];
797 }
798 #endif /* KEEP_SCROLLCOLOR */
799 }
800
801 /*----------------------------------------------------------------------*/
802 /* color aliases, fg/bg bright-bold */
803 void
804 rxvt_term::color_aliases (int idx)
805 {
806 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
807 {
808 int i = atoi (rs[Rs_color + idx]);
809
810 if (i >= 8 && i <= 15)
811 { /* bright colors */
812 i -= 8;
813 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i];
814 return;
815 }
816
817 if (i >= 0 && i <= 7) /* normal colors */
818 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
819 }
820 }
821
822 /*----------------------------------------------------------------------*/
823 /*
824 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
825 * Use resource ``modifier'' to override the Meta modifier
826 */
827 void
828 rxvt_term::get_ourmods ()
829 {
830 int i, j, k;
831 int requestedmeta, realmeta, realalt;
832 const char *cm, *rsmod;
833 XModifierKeymap *map;
834 KeyCode *kc;
835 const unsigned int modmasks[] =
836 {
837 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
838 };
839
840 requestedmeta = realmeta = realalt = 0;
841 rsmod = rs[Rs_modifier];
842
843 if (rsmod
844 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
845 requestedmeta = rsmod[3] - '0';
846
847 map = XGetModifierMapping (display->display);
848 kc = map->modifiermap;
849
850 for (i = 1; i < 6; i++)
851 {
852 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
853
854 for (j = map->max_keypermod; j--; k++)
855 {
856 if (kc[k] == 0)
857 break;
858
859 switch (XKeycodeToKeysym (display->display, kc[k], 0))
860 {
861 case XK_Num_Lock:
862 ModNumLockMask = modmasks[i - 1];
863 continue;
864
865 case XK_ISO_Level3_Shift:
866 ModLevel3Mask = modmasks[i - 1];
867 continue;
868
869 case XK_Meta_L:
870 case XK_Meta_R:
871 cm = "meta";
872 realmeta = i;
873 break;
874
875 case XK_Alt_L:
876 case XK_Alt_R:
877 cm = "alt";
878 realalt = i;
879 break;
880
881 case XK_Super_L:
882 case XK_Super_R:
883 cm = "super";
884 break;
885
886 case XK_Hyper_L:
887 case XK_Hyper_R:
888 cm = "hyper";
889 break;
890
891 default:
892 continue;
893 }
894
895 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
896 requestedmeta = i;
897 }
898 }
899
900 XFreeModifiermap (map);
901
902 i = requestedmeta ? requestedmeta
903 : realmeta ? realmeta
904 : realalt ? realalt
905 : 0;
906
907 if (i)
908 ModMetaMask = modmasks[i - 1];
909 }
910
911 /*----------------------------------------------------------------------*/
912 /* rxvt_Create_Windows () - Open and map the window */
913 void
914 rxvt_term::create_windows (int argc, const char *const *argv)
915 {
916 XClassHint classHint;
917 XWMHints wmHint;
918 #if ENABLE_FRILLS
919 Atom prop = None;
920 MWMHints mwmhints;
921 #endif
922 XGCValues gcvalue;
923 XSetWindowAttributes attributes;
924 XWindowAttributes gattr;
925 Window top, parent;
926 dDisp;
927
928 #ifdef USING_W11LIB
929 /* enable W11 callbacks */
930 W11AddEventHandler (disp, rxvt_W11_process_x_event);
931 #endif
932
933 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
934 XInternAtoms (disp, (char **)xa_names, NUM_XA, False, xa);
935
936 if (OPTION (Opt_transparent))
937 {
938 XGetWindowAttributes (disp, RootWindow (disp, display->screen), &gattr);
939 display->depth = gattr.depth; // doh //TODO, per-term not per-display?
940 }
941
942 /* grab colors before netscape does */
943 Get_Colours ();
944
945 if (!set_fonts ())
946 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
947
948 parent = DefaultRootWindow (disp);
949
950 attributes.override_redirect = !!OPTION (Opt_override_redirect);
951
952 #if ENABLE_FRILLS
953 if (OPTION (Opt_borderLess))
954 {
955 prop = XInternAtom (disp, "_MOTIF_WM_INFO", True);
956
957 if (prop == None)
958 {
959 /* print_warning("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");*/
960 attributes.override_redirect = TRUE;
961 mwmhints.flags = 0;
962 }
963 else
964 {
965 mwmhints.flags = MWM_HINTS_DECORATIONS;
966 mwmhints.decorations = 0;
967 }
968 }
969 else
970 mwmhints.flags = 0;
971 #endif
972
973 #if ENABLE_XEMBED
974 if (rs[Rs_embed])
975 {
976 XWindowAttributes wattr;
977
978 parent = strtol (rs[Rs_embed], 0, 0);
979
980 if (!XGetWindowAttributes (disp, parent, &wattr))
981 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
982
983 window_calc (wattr.width, wattr.height);
984 }
985 #endif
986
987 window_calc (0, 0);
988
989 /* sub-window placement & size in rxvt_resize_subwindows () */
990 attributes.background_pixel = pix_colors_focused[Color_border];
991 attributes.border_pixel = pix_colors_focused[Color_border];
992 attributes.colormap = display->cmap;
993 top = XCreateWindow (disp, parent,
994 szHint.x, szHint.y,
995 szHint.width, szHint.height,
996 ext_bwidth,
997 display->depth, InputOutput,
998 display->visual,
999 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
1000 &attributes);
1001
1002 this->parent[0] = top;
1003
1004 old_width = szHint.width;
1005 old_height = szHint.height;
1006
1007 process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST);
1008 process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST);
1009
1010 classHint.res_name = (char *)rs[Rs_name];
1011 classHint.res_class = (char *)RESCLASS;
1012
1013 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1014 wmHint.input = True;
1015 wmHint.initial_state = OPTION (Opt_iconic) ? IconicState : NormalState;
1016 wmHint.window_group = top;
1017
1018 XmbSetWMProperties (disp, top, NULL, NULL, (char **)argv, argc,
1019 &szHint, &wmHint, &classHint);
1020
1021 Atom protocols[] = {
1022 xa[XA_WM_DELETE_WINDOW],
1023 #if ENABLE_EWMH
1024 xa[XA_NET_WM_PING],
1025 #endif
1026 };
1027
1028 XSetWMProtocols (disp, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
1029
1030 #if ENABLE_FRILLS
1031 if (rs[Rs_transient_for])
1032 XSetTransientForHint (disp, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
1033 #endif
1034
1035 #if ENABLE_EWMH
1036 long pid = getpid ();
1037
1038 XChangeProperty (disp, top,
1039 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
1040 PropModeReplace, (unsigned char *)&pid, 1);
1041
1042 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1043 #endif
1044
1045 XSelectInput (disp, top,
1046 KeyPressMask
1047 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1048 | KeyReleaseMask
1049 #endif
1050 | FocusChangeMask | VisibilityChangeMask
1051 | ExposureMask | StructureNotifyMask);
1052
1053 termwin_ev.start (display, top);
1054
1055 #if ENABLE_FRILLS
1056 if (mwmhints.flags)
1057 XChangeProperty (disp, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
1058 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
1059 #endif
1060
1061 /* vt cursor: Black-on-White is standard, but this is more popular */
1062 TermWin_cursor = XCreateFontCursor (disp, XC_xterm);
1063
1064 #ifdef HAVE_SCROLLBARS
1065 /* cursor scrollBar: Black-on-White */
1066 leftptr_cursor = XCreateFontCursor (disp, XC_left_ptr);
1067 #endif
1068
1069 /* the vt window */
1070 vt = XCreateSimpleWindow (disp, top,
1071 window_vt_x,
1072 window_vt_y,
1073 width,
1074 height,
1075 0,
1076 pix_colors_focused[Color_fg],
1077 pix_colors_focused[Color_bg]);
1078 #ifdef DEBUG_X
1079 XStoreName (disp, vt, "vt window");
1080 #endif
1081
1082 attributes.bit_gravity = NorthWestGravity;
1083 XChangeWindowAttributes (disp, vt, CWBitGravity, &attributes);
1084
1085 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1086
1087 if (OPTION (Opt_pointerBlank))
1088 vt_emask |= PointerMotionMask;
1089 else
1090 vt_emask |= Button1MotionMask | Button3MotionMask;
1091
1092 vt_select_input ();
1093
1094 vt_ev.start (display, vt);
1095
1096 #ifdef XPM_BACKGROUND
1097 if (rs[Rs_backgroundPixmap] != NULL
1098 && ! OPTION (Opt_transparent))
1099 {
1100 const char *p = rs[Rs_backgroundPixmap];
1101
1102 if ((p = strchr (p, ';')) != NULL)
1103 {
1104 p++;
1105 scale_pixmap (p);
1106 }
1107
1108 set_bgPixmap (rs[Rs_backgroundPixmap]);
1109 scr_touch (true);
1110 }
1111 #endif
1112
1113 /* graphics context for the vt window */
1114 gcvalue.foreground = pix_colors[Color_fg];
1115 gcvalue.background = pix_colors[Color_bg];
1116 gcvalue.graphics_exposures = 1;
1117 gc = XCreateGC (disp, vt,
1118 GCForeground | GCBackground | GCGraphicsExposures,
1119 &gcvalue);
1120
1121 drawable = new rxvt_drawable (display, vt);
1122
1123 #ifdef RXVT_SCROLLBAR
1124 gcvalue.foreground = pix_colors[Color_topShadow];
1125 topShadowGC = XCreateGC (disp, vt, GCForeground, &gcvalue);
1126 gcvalue.foreground = pix_colors[Color_bottomShadow];
1127 botShadowGC = XCreateGC (disp, vt, GCForeground, &gcvalue);
1128 gcvalue.foreground = pix_colors[ (display->depth <= 2 ? Color_fg : Color_scroll)];
1129 scrollbarGC = XCreateGC (disp, vt, GCForeground, &gcvalue);
1130 #endif
1131
1132 #ifdef OFF_FOCUS_FADING
1133 // initially we are in unfocused state
1134 if (rs[Rs_fade])
1135 pix_colors = pix_colors_unfocused;
1136 #endif
1137
1138 pointer_unblank ();
1139 scr_recolour ();
1140
1141 #if ENABLE_XEMBED
1142 if (rs[Rs_embed])
1143 {
1144 long info[2] = { 0, XEMBED_MAPPED };
1145
1146 XChangeProperty (disp, parent, xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
1147 32, PropModeReplace, (unsigned char *)&info, 2);
1148 }
1149 #endif
1150 }
1151
1152 /* ------------------------------------------------------------------------- *
1153 * GET TTY CURRENT STATE *
1154 * ------------------------------------------------------------------------- */
1155 void
1156 rxvt_get_ttymode (ttymode_t *tio, int erase)
1157 {
1158 #ifdef HAVE_TERMIOS_H
1159 /*
1160 * standard System V termios interface
1161 */
1162 if (GET_TERMIOS (STDIN_FILENO, tio) < 0)
1163 {
1164 // return error - use system defaults,
1165 // where possible, and zero elsewhere
1166 memset (tio, 0, sizeof (ttymode_t));
1167
1168 tio->c_cc[VINTR] = CINTR;
1169 tio->c_cc[VQUIT] = CQUIT;
1170 tio->c_cc[VERASE] = CERASE;
1171 #ifdef VERASE2
1172 tio->c_cc[VERASE2] = CERASE2;
1173 #endif
1174 tio->c_cc[VKILL] = CKILL;
1175 tio->c_cc[VSTART] = CSTART;
1176 tio->c_cc[VSTOP] = CSTOP;
1177 tio->c_cc[VSUSP] = CSUSP;
1178 # ifdef VDSUSP
1179 tio->c_cc[VDSUSP] = CDSUSP;
1180 # endif
1181 # ifdef VREPRINT
1182 tio->c_cc[VREPRINT] = CRPRNT;
1183 # endif
1184 # ifdef VDISCRD
1185 tio->c_cc[VDISCRD] = CFLUSH;
1186 # endif
1187 # ifdef VWERSE
1188 tio->c_cc[VWERSE] = CWERASE;
1189 # endif
1190 # ifdef VLNEXT
1191 tio->c_cc[VLNEXT] = CLNEXT;
1192 # endif
1193 }
1194
1195 tio->c_cc[VEOF] = CEOF;
1196 tio->c_cc[VEOL] = VDISABLE;
1197 # ifdef VEOL2
1198 tio->c_cc[VEOL2] = VDISABLE;
1199 # endif
1200 # ifdef VSWTC
1201 tio->c_cc[VSWTC] = VDISABLE;
1202 # endif
1203 # ifdef VSWTCH
1204 tio->c_cc[VSWTCH] = VDISABLE;
1205 # endif
1206 # if VMIN != VEOF
1207 tio->c_cc[VMIN] = 1;
1208 # endif
1209 # if VTIME != VEOL
1210 tio->c_cc[VTIME] = 0;
1211 # endif
1212
1213 if (erase != -1)
1214 tio->c_cc[VERASE] = (char)erase;
1215
1216 /* input modes */
1217 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1218 # ifdef IMAXBEL
1219 | IMAXBEL
1220 # endif
1221 | IXON);
1222
1223 /* output modes */
1224 tio->c_oflag = (OPOST | ONLCR);
1225
1226 /* control modes */
1227 tio->c_cflag = (CS8 | CREAD);
1228
1229 /* line discipline modes */
1230 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1231 # if defined (ECHOCTL) && defined (ECHOKE)
1232 | ECHOCTL | ECHOKE
1233 # endif
1234 | ECHOE | ECHOK);
1235 # else /* HAVE_TERMIOS_H */
1236
1237 /*
1238 * sgtty interface
1239 */
1240
1241 /* get parameters -- gtty */
1242 if (ioctl (STDIN_FILENO, TIOCGETP, & (tio->sg)) < 0)
1243 {
1244 tio->sg.sg_erase = CERASE; /* ^H */
1245 tio->sg.sg_kill = CKILL; /* ^U */
1246 }
1247
1248 if (erase != -1)
1249 tio->sg.sg_erase = (char)erase;
1250
1251 tio->sg.sg_flags = (CRMOD | ECHO | EVENP | ODDP);
1252
1253 /* get special characters */
1254 if (ioctl (STDIN_FILENO, TIOCGETC, & (tio->tc)) < 0)
1255 {
1256 tio->tc.t_intrc = CINTR; /* ^C */
1257 tio->tc.t_quitc = CQUIT; /* ^\ */
1258 tio->tc.t_startc = CSTART; /* ^Q */
1259 tio->tc.t_stopc = CSTOP; /* ^S */
1260 tio->tc.t_eofc = CEOF; /* ^D */
1261 tio->tc.t_brkc = -1;
1262 }
1263
1264 /* get local special chars */
1265 if (ioctl (STDIN_FILENO, TIOCGLTC, & (tio->lc)) < 0)
1266 {
1267 tio->lc.t_suspc = CSUSP; /* ^Z */
1268 tio->lc.t_dsuspc = CDSUSP; /* ^Y */
1269 tio->lc.t_rprntc = CRPRNT; /* ^R */
1270 tio->lc.t_flushc = CFLUSH; /* ^O */
1271 tio->lc.t_werasc = CWERASE; /* ^W */
1272 tio->lc.t_lnextc = CLNEXT; /* ^V */
1273 }
1274 /* get line discipline */
1275 ioctl (STDIN_FILENO, TIOCGETD, & (tio->line));
1276 # ifdef NTTYDISC
1277 tio->line = NTTYDISC;
1278 # endif /* NTTYDISC */
1279
1280 tio->local = (LCRTBS | LCRTERA | LCTLECH | LPASS8 | LCRTKIL);
1281 #endif /* HAVE_TERMIOS_H */
1282
1283 /*
1284 * Debugging
1285 */
1286 #ifdef DEBUG_TTYMODE
1287 #ifdef HAVE_TERMIOS_H
1288 /* c_iflag bits */
1289 fprintf (stderr, "Input flags\n");
1290
1291 /* cpp token stringize doesn't work on all machines <sigh> */
1292 # define FOO(flag,name) \
1293 if ((tio->c_iflag) & flag) \
1294 fprintf (stderr, "%s ", name)
1295
1296 /* c_iflag bits */
1297 FOO (IGNBRK, "IGNBRK");
1298 FOO (BRKINT, "BRKINT");
1299 FOO (IGNPAR, "IGNPAR");
1300 FOO (PARMRK, "PARMRK");
1301 FOO (INPCK, "INPCK");
1302 FOO (ISTRIP, "ISTRIP");
1303 FOO (INLCR, "INLCR");
1304 FOO (IGNCR, "IGNCR");
1305 FOO (ICRNL, "ICRNL");
1306 FOO (IXON, "IXON");
1307 FOO (IXOFF, "IXOFF");
1308 # ifdef IUCLC
1309 FOO (IUCLC, "IUCLC");
1310 # endif
1311 # ifdef IXANY
1312 FOO (IXANY, "IXANY");
1313 # endif
1314 # ifdef IMAXBEL
1315 FOO (IMAXBEL, "IMAXBEL");
1316 # endif
1317
1318 fprintf (stderr, "\n");
1319
1320 # undef FOO
1321 # define FOO(entry, name) \
1322 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1323
1324 FOO (VINTR, "VINTR");
1325 FOO (VQUIT, "VQUIT");
1326 FOO (VERASE, "VERASE");
1327 FOO (VKILL, "VKILL");
1328 FOO (VEOF, "VEOF");
1329 FOO (VEOL, "VEOL");
1330 # ifdef VEOL2
1331 FOO (VEOL2, "VEOL2");
1332 # endif
1333 # ifdef VSWTC
1334 FOO (VSWTC, "VSWTC");
1335 # endif
1336 # ifdef VSWTCH
1337 FOO (VSWTCH, "VSWTCH");
1338 # endif
1339 FOO (VSTART, "VSTART");
1340 FOO (VSTOP, "VSTOP");
1341 FOO (VSUSP, "VSUSP");
1342 # ifdef VDSUSP
1343 FOO (VDSUSP, "VDSUSP");
1344 # endif
1345 # ifdef VREPRINT
1346 FOO (VREPRINT, "VREPRINT");
1347 # endif
1348 # ifdef VDISCRD
1349 FOO (VDISCRD, "VDISCRD");
1350 # endif
1351 # ifdef VWERSE
1352 FOO (VWERSE, "VWERSE");
1353 # endif
1354 # ifdef VLNEXT
1355 FOO (VLNEXT, "VLNEXT");
1356 # endif
1357
1358 fprintf (stderr, "\n");
1359 # undef FOO
1360 # endif /* HAVE_TERMIOS_H */
1361 #endif /* DEBUG_TTYMODE */
1362 }
1363
1364 /*----------------------------------------------------------------------*/
1365 /*
1366 * Run the command in a subprocess and return a file descriptor for the
1367 * master end of the pseudo-teletype pair with the command talking to
1368 * the slave.
1369 */
1370 void
1371 rxvt_term::run_command (const char *const *argv)
1372 {
1373 #if ENABLE_FRILLS
1374 if (rs[Rs_pty_fd])
1375 {
1376 pty->pty = atoi (rs[Rs_pty_fd]);
1377
1378 if (pty->pty >= 0)
1379 {
1380 if (getfd_hook)
1381 pty->pty = (*getfd_hook) (pty->pty);
1382
1383 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1384 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1385 }
1386 }
1387 else
1388 #endif
1389 if (!pty->get ())
1390 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1391
1392 pty->set_utf8_mode (enc_utf8);
1393
1394 /* set initial window size */
1395 tt_winch ();
1396
1397 int er;
1398
1399 #ifndef NO_BACKSPACE_KEY
1400 if (key_backspace[0] && !key_backspace[1])
1401 er = key_backspace[0];
1402 else if (strcmp (key_backspace, "DEC") == 0)
1403 er = '\177'; /* the initial state anyway */
1404 else
1405 #endif
1406 er = -1;
1407
1408 rxvt_get_ttymode (&tio, er);
1409
1410 #if ENABLE_FRILLS
1411 if (rs[Rs_pty_fd])
1412 return;
1413 #endif
1414
1415 /* spin off the command interpreter */
1416 switch (cmd_pid = fork ())
1417 {
1418 case -1:
1419 {
1420 cmd_pid = 0;
1421 rxvt_fatal ("can't fork, aborting.\n");
1422 }
1423 case 0:
1424 init_env ();
1425
1426 if (!pty->make_controlling_tty ())
1427 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1428 else
1429 {
1430 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1431 dup2 (pty->tty, STDIN_FILENO);
1432 dup2 (pty->tty, STDOUT_FILENO);
1433 dup2 (pty->tty, STDERR_FILENO);
1434
1435 // close all our file handles that we do no longer need
1436 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1437 {
1438 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1439 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1440 }
1441
1442 run_child (argv);
1443 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1444 }
1445
1446 _exit (EXIT_FAILURE);
1447
1448 default:
1449 if (!OPTION (Opt_utmpInhibit))
1450 pty->login (cmd_pid, OPTION (Opt_loginShell), rs[Rs_display_name]);
1451
1452 pty->close_tty ();
1453
1454 child_ev.start (cmd_pid);
1455
1456 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1457 break;
1458 }
1459 }
1460
1461 /* ------------------------------------------------------------------------- *
1462 * CHILD PROCESS OPERATIONS *
1463 * ------------------------------------------------------------------------- */
1464 /*
1465 * The only open file descriptor is the slave tty - so no error messages.
1466 * returns are fatal
1467 */
1468 int
1469 rxvt_term::run_child (const char *const *argv)
1470 {
1471 char *login;
1472
1473 SET_TTYMODE (STDIN_FILENO, &tio); /* init terminal attributes */
1474
1475 if (OPTION (Opt_console))
1476 { /* be virtual console, fail silently */
1477 #ifdef TIOCCONS
1478 unsigned int on = 1;
1479
1480 ioctl (STDIN_FILENO, TIOCCONS, &on);
1481 #elif defined (SRIOCSREDIR)
1482 int fd;
1483
1484 fd = open (CONSOLE, O_WRONLY, 0);
1485 if (fd >= 0)
1486 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1487 close (fd);
1488 #endif /* SRIOCSREDIR */
1489 }
1490
1491 /* reset signals and spin off the command interpreter */
1492 signal (SIGINT, SIG_DFL);
1493 signal (SIGQUIT, SIG_DFL);
1494 signal (SIGCHLD, SIG_DFL);
1495 signal (SIGHUP, SIG_DFL);
1496 signal (SIGPIPE, SIG_DFL);
1497 /*
1498 * mimick login's behavior by disabling the job control signals
1499 * a shell that wants them can turn them back on
1500 */
1501 #ifdef SIGTSTP
1502 signal (SIGTSTP, SIG_IGN);
1503 signal (SIGTTIN, SIG_IGN);
1504 signal (SIGTTOU, SIG_IGN);
1505 #endif /* SIGTSTP */
1506
1507 // unblock signals (signals are blocked by iom.C
1508 sigset_t ss;
1509 sigemptyset (&ss);
1510 sigprocmask (SIG_SETMASK, &ss, 0);
1511
1512 /* command interpreter path */
1513 if (argv != NULL)
1514 {
1515 # ifdef DEBUG_CMD
1516 int i;
1517
1518 for (i = 0; argv[i]; i++)
1519 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1520 # endif
1521
1522 execvp (argv[0], (char *const *)argv);
1523 /* no error message: STDERR is closed! */
1524 }
1525 else
1526 {
1527 const char *argv0, *shell;
1528
1529 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1530 shell = "/bin/sh";
1531
1532 argv0 = (const char *)rxvt_r_basename (shell);
1533
1534 if (OPTION (Opt_loginShell))
1535 {
1536 login = (char *)rxvt_malloc ((strlen (argv0) + 2) * sizeof (char));
1537
1538 login[0] = '-';
1539 strcpy (&login[1], argv0);
1540 argv0 = login;
1541 }
1542
1543 execlp (shell, argv0, NULL);
1544 /* no error message: STDERR is closed! */
1545 }
1546
1547 return -1;
1548 }
1549
1550 /*----------------------- end-of-file (C source) -----------------------*/