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Revision: 1.257
Committed: Sun Apr 26 01:51:20 2009 UTC (15 years, 1 month ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.256: +2 -2 lines
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# Content
1 /*----------------------------------------------------------------------*
2 * File: init.C
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7 * - original version
8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
9 * - extensive modifications
10 * Copyright (c) 1996 Chuck Blake <cblake@BBN.COM>
11 * Copyright (c) 1997 mj olesen <olesen@me.queensu.ca>
12 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
13 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
14 * - extensive modifications
15 * Copyright (c) 2003-2008 Marc Lehmann <pcg@goof.com>
16 *
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2 of the License, or
20 * (at your option) any later version.
21 *
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
26 *
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 *---------------------------------------------------------------------*/
31 /*
32 * Initialisation routines.
33 */
34
35 #include "../config.h" /* NECESSARY */
36 #include "rxvt.h" /* NECESSARY */
37 #include "rxvtutil.h"
38 #include "init.h"
39 #include "keyboard.h"
40
41 #include <limits>
42
43 #include <csignal>
44
45 #include <fcntl.h>
46
47 #ifdef HAVE_XSETLOCALE
48 # define X_LOCALE
49 # include <X11/Xlocale.h>
50 #else
51 # ifdef HAVE_SETLOCALE
52 # include <clocale>
53 # endif
54 #endif
55
56 #ifdef HAVE_NL_LANGINFO
57 # include <langinfo.h>
58 #endif
59
60 #ifdef DISPLAY_IS_IP
61 /* On Solaris link with -lsocket and -lnsl */
62 #include <sys/types.h>
63 #include <sys/socket.h>
64
65 /* these next two are probably only on Sun (not Solaris) */
66 #ifdef HAVE_SYS_SOCKIO_H
67 #include <sys/sockio.h>
68 #endif
69 #ifdef HAVE_SYS_BYTEORDER_H
70 #include <sys/byteorder.h>
71 #endif
72
73 #include <netinet/in.h>
74 #include <arpa/inet.h>
75 #include <net/if.h>
76 #include <net/if_arp.h>
77
78 static char *
79 rxvt_network_display (const char *display)
80 {
81 char buffer[1024], *rval = NULL;
82 struct ifconf ifc;
83 struct ifreq *ifr;
84 int i, skfd;
85
86 if (display[0] != ':' && strncmp (display, "unix:", 5))
87 return (char *) display; /* nothing to do */
88
89 ifc.ifc_len = sizeof (buffer); /* Get names of all ifaces */
90 ifc.ifc_buf = buffer;
91
92 if ((skfd = socket (AF_INET, SOCK_DGRAM, 0)) < 0)
93 {
94 perror ("socket");
95 return NULL;
96 }
97
98 if (ioctl (skfd, SIOCGIFCONF, &ifc) < 0)
99 {
100 perror ("SIOCGIFCONF");
101 close (skfd);
102 return NULL;
103 }
104
105 for (i = 0, ifr = ifc.ifc_req;
106 i < (ifc.ifc_len / sizeof (struct ifreq));
107 i++, ifr++)
108 {
109 struct ifreq ifr2;
110
111 strcpy (ifr2.ifr_name, ifr->ifr_name);
112
113 if (ioctl (skfd, SIOCGIFADDR, &ifr2) >= 0)
114 {
115 unsigned long addr;
116 struct sockaddr_in *p_addr;
117
118 p_addr = (struct sockaddr_in *) &ifr2.ifr_addr;
119 addr = htonl ((unsigned long)p_addr->sin_addr.s_addr);
120
121 /*
122 * not "0.0.0.0" or "127.0.0.1" - so format the address
123 */
124 if (addr && addr != 0x7F000001)
125 {
126 char *colon = strchr (display, ':');
127
128 if (colon == NULL)
129 colon = ":0.0";
130
131 rval = rxvt_malloc (strlen (colon) + 16);
132 sprintf (rval, "%d.%d.%d.%d%s",
133 (int) ((addr >> 030) & 0xFF),
134 (int) ((addr >> 020) & 0xFF),
135 (int) ((addr >> 010) & 0xFF),
136 (int) (addr & 0xFF), colon);
137 break;
138 }
139 }
140 }
141
142 close (skfd);
143
144 return rval;
145 }
146 #endif
147
148 const char *const def_colorName[] =
149 {
150 COLOR_FOREGROUND,
151 COLOR_BACKGROUND,
152 /* low-intensity colors */
153 "rgb:00/00/00", // 0: black (Black)
154 "rgb:cd/00/00", // 1: red (Red3)
155 "rgb:00/cd/00", // 2: green (Green3)
156 "rgb:cd/cd/00", // 3: yellow (Yellow3)
157 "rgb:00/00/cd", // 4: blue (Blue3)
158 "rgb:cd/00/cd", // 5: magenta (Magenta3)
159 "rgb:00/cd/cd", // 6: cyan (Cyan3)
160 # ifdef XTERM_COLORS
161 "rgb:e5/e5/e5", // 7: white (Grey90)
162 # else
163 "rgb:fa/eb/d7", // 7: white (AntiqueWhite)
164 # endif
165 /* high-intensity colors */
166 # ifdef XTERM_COLORS
167 "rgb:4d/4d/4d", // 8: bright black (Grey30)
168 # else
169 "rgb:40/40/40", // 8: bright black (Grey25)
170 # endif
171 "rgb:ff/00/00", // 1/9: bright red (Reed)
172 "rgb:00/ff/00", // 2/10: bright green (Green)
173 "rgb:ff/ff/00", // 3/11: bright yellow (Yellow)
174 "rgb:00/00/ff", // 4/12: bright blue (Blue)
175 "rgb:ff/00/ff", // 5/13: bright magenta (Magenta)
176 "rgb:00/ff/ff", // 6/14: bright cyan (Cyan)
177 "rgb:ff/ff/ff", // 7/15: bright white (White)
178
179 // 88 xterm colours
180 "rgb:00/00/00",
181 "rgb:00/00/8b",
182 "rgb:00/00/cd",
183 "rgb:00/00/ff",
184 "rgb:00/8b/00",
185 "rgb:00/8b/8b",
186 "rgb:00/8b/cd",
187 "rgb:00/8b/ff",
188 "rgb:00/cd/00",
189 "rgb:00/cd/8b",
190 "rgb:00/cd/cd",
191 "rgb:00/cd/ff",
192 "rgb:00/ff/00",
193 "rgb:00/ff/8b",
194 "rgb:00/ff/cd",
195 "rgb:00/ff/ff",
196 "rgb:8b/00/00",
197 "rgb:8b/00/8b",
198 "rgb:8b/00/cd",
199 "rgb:8b/00/ff",
200 "rgb:8b/8b/00",
201 "rgb:8b/8b/8b",
202 "rgb:8b/8b/cd",
203 "rgb:8b/8b/ff",
204 "rgb:8b/cd/00",
205 "rgb:8b/cd/8b",
206 "rgb:8b/cd/cd",
207 "rgb:8b/cd/ff",
208 "rgb:8b/ff/00",
209 "rgb:8b/ff/8b",
210 "rgb:8b/ff/cd",
211 "rgb:8b/ff/ff",
212 "rgb:cd/00/00",
213 "rgb:cd/00/8b",
214 "rgb:cd/00/cd",
215 "rgb:cd/00/ff",
216 "rgb:cd/8b/00",
217 "rgb:cd/8b/8b",
218 "rgb:cd/8b/cd",
219 "rgb:cd/8b/ff",
220 "rgb:cd/cd/00",
221 "rgb:cd/cd/8b",
222 "rgb:cd/cd/cd",
223 "rgb:cd/cd/ff",
224 "rgb:cd/ff/00",
225 "rgb:cd/ff/8b",
226 "rgb:cd/ff/cd",
227 "rgb:cd/ff/ff",
228 "rgb:ff/00/00",
229 "rgb:ff/00/8b",
230 "rgb:ff/00/cd",
231 "rgb:ff/00/ff",
232 "rgb:ff/8b/00",
233 "rgb:ff/8b/8b",
234 "rgb:ff/8b/cd",
235 "rgb:ff/8b/ff",
236 "rgb:ff/cd/00",
237 "rgb:ff/cd/8b",
238 "rgb:ff/cd/cd",
239 "rgb:ff/cd/ff",
240 "rgb:ff/ff/00",
241 "rgb:ff/ff/8b",
242 "rgb:ff/ff/cd",
243 "rgb:ff/ff/ff",
244 "rgb:2e/2e/2e",
245 "rgb:5c/5c/5c",
246 "rgb:73/73/73",
247 "rgb:8b/8b/8b",
248 "rgb:a2/a2/a2",
249 "rgb:b9/b9/b9",
250 "rgb:d0/d0/d0",
251 "rgb:e7/e7/e7",
252
253 #ifndef NO_CURSORCOLOR
254 COLOR_CURSOR_BACKGROUND,
255 COLOR_CURSOR_FOREGROUND,
256 #endif /* ! NO_CURSORCOLOR */
257 NULL, /* Color_pointer_fg */
258 NULL, /* Color_pointer_bg */
259 NULL, /* Color_border */
260 #ifndef NO_BOLD_UNDERLINE_REVERSE
261 NULL, /* Color_BD */
262 NULL, /* Color_IT */
263 NULL, /* Color_UL */
264 NULL, /* Color_RV */
265 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
266 #if ENABLE_FRILLS
267 NULL, // Color_underline
268 #endif
269 #ifdef OPTION_HC
270 NULL,
271 #endif
272 COLOR_SCROLLBAR,
273 #ifdef RXVT_SCROLLBAR
274 COLOR_SCROLLTROUGH,
275 #endif
276 #if ENABLE_TRANSPARENCY
277 NULL,
278 #endif
279 #if OFF_FOCUS_FADING
280 "rgb:00/00/00",
281 #endif
282 };
283
284 void
285 rxvt_term::init_vars ()
286 {
287 pix_colors = pix_colors_focused;
288
289 MEvent.time = CurrentTime;
290 MEvent.button = AnyButton;
291 want_refresh = 1;
292 priv_modes = SavedModes = PrivMode_Default;
293 ncol = 80;
294 nrow = 24;
295 int_bwidth = INTERNALBORDERWIDTH;
296 ext_bwidth = EXTERNALBORDERWIDTH;
297 lineSpace = LINESPACE;
298 saveLines = SAVELINES;
299
300 refresh_type = SLOW_REFRESH;
301
302 oldcursor.row = oldcursor.col = -1;
303
304 set_option (Opt_scrollBar);
305 set_option (Opt_scrollTtyOutput);
306 set_option (Opt_jumpScroll);
307 set_option (Opt_skipScroll);
308 set_option (Opt_secondaryScreen);
309 set_option (Opt_secondaryScroll);
310 set_option (Opt_pastableTabs);
311 set_option (Opt_intensityStyles);
312 set_option (Opt_iso14755_52);
313 set_option (Opt_buffered);
314 }
315
316 static void
317 init_secondary ()
318 {
319 int i;
320
321 if ((i = open ("/dev/null", O_RDONLY)) < 0)
322 {
323 dup2 (STDERR_FILENO, STDIN_FILENO);
324 }
325 else if (i != STDIN_FILENO)
326 {
327 dup2 (i, STDIN_FILENO);
328 close (i);
329 }
330
331 dup2 (STDERR_FILENO, STDOUT_FILENO);
332 }
333
334 /*----------------------------------------------------------------------*/
335 const char **
336 rxvt_term::init_resources (int argc, const char *const *argv)
337 {
338 int i, r_argc;
339 const char **cmd_argv, **r_argv;
340
341 /*
342 * Look for -e option. Find => split and make cmd_argv[] of command args
343 */
344 for (r_argc = 0; r_argc < argc; r_argc++)
345 if (!strcmp (argv[r_argc], "-e"))
346 break;
347
348 if (r_argc == argc)
349 cmd_argv = NULL;
350 else if (!argv[r_argc + 1])
351 rxvt_fatal ("option '-e' requires an argument, aborting.\n");
352 else
353 {
354 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
355
356 for (i = 0; i < argc - r_argc - 1; i++)
357 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
358
359 cmd_argv[i] = NULL;
360 }
361
362 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
363
364 for (i = 0; i < r_argc; i++)
365 r_argv[i] = (const char *)argv[i];
366
367 r_argv[i] = NULL;
368
369 rs[Rs_name] = rxvt_basename (argv[0]);
370
371 /*
372 * Open display, get options/resources and create the window
373 */
374
375 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
376 rs[Rs_display_name] = ":0";
377
378 get_options (r_argc, r_argv);
379
380 if (!(display = displays.get (rs[Rs_display_name])))
381 {
382 free (r_argv);
383 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
384 }
385
386 // using a local pointer decreases code size a lot
387 xa = display->xa;
388
389 set (display);
390 extract_resources ();
391
392 #if XFT
393 if (rs[Rs_depth])
394 select_visual (strtol (rs[Rs_depth], 0, 0));
395 #endif
396
397 free (r_argv);
398
399 for (int i = NUM_RESOURCES; i--; )
400 if (rs [i] == resval_undef)
401 rs [i] = 0;
402
403 #ifdef HAVE_AFTERIMAGE
404 set_application_name ((char *)rs[Rs_name]);
405 set_output_threshold (OUTPUT_LEVEL_WARNING);
406 #endif
407
408 #if ENABLE_PERL
409 if (!rs[Rs_perl_ext_1])
410 rs[Rs_perl_ext_1] = "default";
411
412 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
413 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
414 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
415 {
416 rxvt_perl.init (this);
417 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
418 }
419 #endif
420
421 /*
422 * set any defaults not already set
423 */
424 if (cmd_argv && cmd_argv[0])
425 {
426 if (!rs[Rs_title])
427 rs[Rs_title] = rxvt_basename (cmd_argv[0]);
428
429 if (!rs[Rs_iconName])
430 rs[Rs_iconName] = rs[Rs_title];
431 }
432 else
433 {
434 if (!rs[Rs_title])
435 rs[Rs_title] = rs[Rs_name];
436
437 if (!rs[Rs_iconName])
438 rs[Rs_iconName] = rs[Rs_name];
439 }
440
441 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
442 saveLines = min (i, MAX_SAVELINES);
443
444 #if ENABLE_FRILLS
445 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
446 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
447
448 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
449 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
450
451 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
452 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
453 #endif
454
455 #ifdef POINTER_BLANK
456 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
457 pointerBlankDelay = i;
458 else
459 pointerBlankDelay = 2;
460 #endif
461
462 /* no point having a scrollbar without having any scrollback! */
463 if (!saveLines)
464 set_option (Opt_scrollBar, 0);
465
466 if (!rs[Rs_cutchars])
467 rs[Rs_cutchars] = CUTCHARS;
468
469 #ifndef NO_BACKSPACE_KEY
470 if (!rs[Rs_backspace_key])
471 # ifdef DEFAULT_BACKSPACE
472 rs[Rs_backspace_key] = DEFAULT_BACKSPACE;
473 # else
474 rs[Rs_backspace_key] = "DEC"; /* can toggle between \010 or \177 */
475 # endif
476 #endif
477
478 #ifndef NO_DELETE_KEY
479 if (!rs[Rs_delete_key])
480 # ifdef DEFAULT_DELETE
481 rs[Rs_delete_key] = DEFAULT_DELETE;
482 # else
483 rs[Rs_delete_key] = "\033[3~";
484 # endif
485 #endif
486
487 scrollBar.setup (this);
488
489 #ifdef XTERM_REVERSE_VIDEO
490 /* this is how xterm implements reverseVideo */
491 if (option (Opt_reverseVideo))
492 {
493 if (!rs[Rs_color + Color_fg])
494 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
495
496 if (!rs[Rs_color + Color_bg])
497 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
498 }
499 #endif
500
501 for (i = 0; i < NRS_COLORS; i++)
502 if (!rs[Rs_color + i])
503 rs[Rs_color + i] = def_colorName[i];
504
505 #ifndef XTERM_REVERSE_VIDEO
506 /* this is how we implement reverseVideo */
507 if (option (Opt_reverseVideo))
508 ::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]);
509 #endif
510
511 /* convenient aliases for setting fg/bg to colors */
512 color_aliases (Color_fg);
513 color_aliases (Color_bg);
514 #ifndef NO_CURSORCOLOR
515 color_aliases (Color_cursor);
516 color_aliases (Color_cursor2);
517 #endif /* NO_CURSORCOLOR */
518 color_aliases (Color_pointer_fg);
519 color_aliases (Color_pointer_bg);
520 color_aliases (Color_border);
521 #ifndef NO_BOLD_UNDERLINE_REVERSE
522 color_aliases (Color_BD);
523 color_aliases (Color_UL);
524 color_aliases (Color_RV);
525 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
526
527 if (!rs[Rs_color + Color_border])
528 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
529
530 return cmd_argv;
531 }
532
533 /*----------------------------------------------------------------------*/
534 void
535 rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
536 {
537 this->envv = envv;
538
539 SET_R (this);
540 set_locale ("");
541 set_environ (envv); // a few things in X do not call setlocale :(
542
543 init_vars ();
544
545 init_secondary ();
546
547 const char **cmd_argv = init_resources (argc, argv);
548
549 #ifdef KEYSYM_RESOURCE
550 keyboard->register_done ();
551 #endif
552
553 if (const char *path = rs[Rs_chdir])
554 if (*path) // ignored if empty
555 {
556 if (*path != '/')
557 rxvt_fatal ("specified shell working directory must start with a slash, aborting.\n");
558
559 if (chdir (path))
560 rxvt_fatal ("unable to change into specified shell working directory, aborting.\n");
561 }
562
563 if (option (Opt_scrollBar))
564 scrollBar.state = STATE_IDLE; /* set existence for size calculations */
565
566 pty = ptytty::create ();
567
568 create_windows (argc, argv);
569
570 init_xlocale ();
571
572 scr_poweron (); // initialize screen
573
574 #if 0
575 XSynchronize (dpy, True);
576 #endif
577
578 if (option (Opt_scrollBar))
579 scrollBar.resize (); /* create and map scrollbar */
580 #ifdef HAVE_BG_PIXMAP
581 {
582 bgPixmap.set_target (this);
583 bgPixmap.invalidate ();
584
585 #ifdef ENABLE_TRANSPARENCY
586 if (option (Opt_transparent))
587 {
588 bgPixmap.set_transparent ();
589
590 #ifdef HAVE_AFTERIMAGE
591 if (rs [Rs_blurradius])
592 bgPixmap.set_blur_radius (rs [Rs_blurradius]);
593 #endif
594 if (ISSET_PIXCOLOR (Color_tint))
595 bgPixmap.set_tint (pix_colors_focused [Color_tint]);
596
597 if (rs [Rs_shade])
598 bgPixmap.set_shade (rs [Rs_shade]);
599
600 bgPixmap.set_root_pixmap ();
601 XSelectInput (dpy, display->root, PropertyChangeMask);
602 rootwin_ev.start (display, display->root);
603 }
604 #endif
605
606 #ifdef BG_IMAGE_FROM_FILE
607 if (rs[Rs_backgroundPixmap])
608 {
609 const char *p = rs[Rs_backgroundPixmap];
610
611 if ((p = strchr (p, ';')) != 0)
612 {
613 p++;
614 bgPixmap.set_geometry (p);
615 }
616 else
617 bgPixmap.set_defaultGeometry ();
618
619 if (bgPixmap.set_file (rs[Rs_backgroundPixmap]))
620 if (!bgPixmap.window_position_sensitive ())
621 update_background ();
622 }
623 #endif
624 }
625 #endif
626
627 #if ENABLE_PERL
628 rootwin_ev.start (display, display->root);
629 #endif
630
631 set_colorfgbg ();
632
633 init_command (cmd_argv);
634
635 free (cmd_argv);
636
637 if (pty->pty >= 0)
638 pty_ev.start (pty->pty, ev::READ);
639
640 HOOK_INVOKE ((this, HOOK_START, DT_END));
641
642 #if ENABLE_XEMBED
643 if (rs[Rs_embed])
644 {
645 long info[2] = { 0, XEMBED_MAPPED };
646
647 XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
648 32, PropModeReplace, (unsigned char *)&info, 2);
649 }
650 #endif
651
652 XMapWindow (dpy, vt);
653 XMapWindow (dpy, parent[0]);
654
655 refresh_check ();
656 }
657
658 /*----------------------------------------------------------------------*/
659 void
660 rxvt_term::init_env ()
661 {
662 int i;
663 char *val;
664
665 #ifdef DISPLAY_IS_IP
666 /* Fixup display_name for export over pty to any interested terminal
667 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
668 * (for the first non-loopback interface) that we get from
669 * rxvt_network_display (). This is more "name-resolution-portable", if you
670 * will, and probably allows for faster x-client startup if your name
671 * server is beyond a slow link or overloaded at client startup. Of
672 * course that only helps the shell's child processes, not us.
673 *
674 * Giving out the display_name also affords a potential security hole
675 */
676 val = rxvt_network_display (rs[Rs_display_name]);
677 rs[Rs_display_name] = (const char *)val;
678
679 if (val == NULL)
680 #endif /* DISPLAY_IS_IP */
681 val = XDisplayString (dpy);
682
683 if (rs[Rs_display_name] == NULL)
684 rs[Rs_display_name] = val; /* use broken `:0' value */
685
686 i = strlen (val);
687 env_display = (char *)rxvt_malloc (i + 9);
688
689 sprintf (env_display, "DISPLAY=%s", val);
690
691 sprintf (env_windowid, "WINDOWID=%lu", (unsigned long)parent[0]);
692
693 /* add entries to the environment:
694 * @ DISPLAY: in case we started with -display
695 * @ WINDOWID: X window id number of the window
696 * @ COLORTERM: terminal sub-name and also indicates its color
697 * @ TERM: terminal name
698 * @ TERMINFO: path to terminfo directory
699 * @ COLORFGBG: fg;bg color codes
700 */
701 putenv (env_display);
702 putenv (env_windowid);
703
704 if (env_colorfgbg)
705 putenv (env_colorfgbg);
706
707 #ifdef RXVT_TERMINFO
708 putenv ("TERMINFO=" RXVT_TERMINFO);
709 #endif
710
711 if (depth <= 2)
712 putenv ("COLORTERM=" COLORTERMENV "-mono");
713 else
714 putenv ("COLORTERM=" COLORTERMENVFULL);
715
716 if (rs[Rs_term_name] != NULL)
717 {
718 env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6);
719 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
720 putenv (env_term);
721 }
722 else
723 putenv ("TERM=" TERMENV);
724
725 #ifdef HAVE_UNSETENV
726 /* avoid passing old settings and confusing term size */
727 unsetenv ("LINES");
728 unsetenv ("COLUMNS");
729 unsetenv ("TERMCAP"); /* terminfo should be okay */
730 #endif /* HAVE_UNSETENV */
731 }
732
733 /*----------------------------------------------------------------------*/
734 /*
735 * This is more or less stolen straight from XFree86 xterm.
736 * This should support all European type languages.
737 */
738 void
739 rxvt_term::set_locale (const char *locale)
740 {
741 set_environ (envv);
742
743 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
744 free (this->locale);
745 this->locale = setlocale (LC_CTYPE, locale);
746
747 if (!this->locale)
748 {
749 if (*locale)
750 {
751 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
752 setlocale (LC_CTYPE, "C");
753 }
754 else
755 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
756
757 this->locale = "C";
758 }
759
760
761 this->locale = strdup (this->locale);
762 SET_LOCALE (this->locale);
763 mbstate.reset ();
764 #endif
765
766 #if HAVE_NL_LANGINFO
767 char *codeset = strdup (nl_langinfo (CODESET));
768 // /^UTF.?8/i
769 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
770 && (codeset[1] == 'T' || codeset[1] == 't')
771 && (codeset[2] == 'F' || codeset[2] == 'f')
772 && (codeset[3] == '8' || codeset[4] == '8');
773 free (codeset);
774 #else
775 enc_utf8 = 0;
776 #endif
777 }
778
779 void
780 rxvt_term::init_xlocale ()
781 {
782 set_environ (envv);
783
784 #ifdef USE_XIM
785 if (!locale)
786 rxvt_warn ("setting locale failed, working without locale support.\n");
787 else
788 {
789 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
790
791 if (!XSupportsLocale ())
792 {
793 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
794 return;
795 }
796
797 im_ev.start (display);
798
799 /* see if we can connect already */
800 im_cb ();
801 }
802 #endif
803 }
804
805 /*----------------------------------------------------------------------*/
806 void
807 rxvt_term::init_command (const char *const *argv)
808 {
809 /*
810 * Initialize the command connection.
811 * This should be called after the X server connection is established.
812 */
813
814 #ifdef META8_OPTION
815 meta_char = option (Opt_meta8) ? 0x80 : C0_ESC;
816 #endif
817
818 get_ourmods ();
819
820 if (!option (Opt_scrollTtyOutput))
821 priv_modes |= PrivMode_TtyOutputInh;
822 if (option (Opt_scrollTtyKeypress))
823 priv_modes |= PrivMode_Keypress;
824 if (!option (Opt_jumpScroll))
825 priv_modes |= PrivMode_smoothScroll;
826
827 #ifndef NO_BACKSPACE_KEY
828 if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
829 priv_modes |= PrivMode_HaveBackSpace;
830 #endif
831
832 /* add value for scrollBar */
833 if (scrollBar.state)
834 {
835 priv_modes |= PrivMode_scrollBar;
836 SavedModes |= PrivMode_scrollBar;
837 }
838
839 run_command (argv);
840 }
841
842 /*----------------------------------------------------------------------*/
843 void
844 rxvt_term::get_colours ()
845 {
846 int i;
847
848 #ifdef OFF_FOCUS_FADING
849 pix_colors = pix_colors_focused;
850 #endif
851
852 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
853 {
854 const char *name = rs[Rs_color + i];
855
856 if (!name)
857 continue;
858
859 rxvt_color xcol;
860
861 if (!set_color (xcol, name))
862 {
863 #ifndef XTERM_REVERSE_VIDEO
864 if (i < 2 && option (Opt_reverseVideo))
865 name = def_colorName [1 - i];
866 else
867 #endif
868 name = def_colorName [i];
869
870 if (!name)
871 continue;
872
873 if (!set_color (xcol, name))
874 {
875 switch (i)
876 {
877 case Color_fg:
878 case Color_bg:
879 rxvt_warn ("unable to get foreground/background colour, continuing.\n");
880 name = "";
881 break;
882 #ifndef NO_CURSORCOLOR
883 case Color_cursor2:
884 #endif
885 case Color_pointer_fg:
886 name = rs[Rs_color + Color_fg];
887 xcol.set (this, name);
888 break;
889 default:
890 name = rs[Rs_color + Color_bg];
891 xcol.set (this, name);
892 break;
893 }
894 }
895 }
896
897 pix_colors[i] = xcol;
898 rs[Rs_color + i] = name;
899 }
900
901 if (depth <= 2)
902 {
903 if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg);
904 if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg);
905 if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg);
906 }
907
908 /*
909 * get scrollBar shadow colors
910 *
911 * The calculations of topShadow/bottomShadow values are adapted
912 * from the fvwm window manager.
913 */
914 #ifdef RXVT_SCROLLBAR
915 if (depth <= 2)
916 {
917 /* Monochrome */
918 alias_color (Color_scroll, Color_fg);
919 alias_color (Color_topShadow, Color_bg);
920 alias_color (Color_bottomShadow, Color_bg);
921 }
922 else
923 {
924 pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]);
925
926 rgba cscroll;
927 pix_colors [Color_scroll].get (cscroll);
928
929 /* topShadowColor */
930 if (!pix_colors[Color_topShadow].set (this,
931 rgba (
932 min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5),
933 min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5),
934 min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5),
935 cscroll.a)
936 ))
937 alias_color (Color_topShadow, Color_White);
938 }
939 #endif
940
941 #ifdef OFF_FOCUS_FADING
942 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
943 update_fade_color (i);
944 #endif
945 }
946
947 /*----------------------------------------------------------------------*/
948 /* color aliases, fg/bg bright-bold */
949 void
950 rxvt_term::color_aliases (int idx)
951 {
952 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
953 {
954 int i = atoi (rs[Rs_color + idx]);
955
956 if (i >= 8 && i <= 15)
957 /* bright colors */
958 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i - 8];
959 else if (i >= 0 && i <= 7)
960 /* normal colors */
961 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
962 }
963 }
964
965 /*----------------------------------------------------------------------*/
966 /*
967 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
968 * Use resource ``modifier'' to override the Meta modifier
969 */
970 void
971 rxvt_term::get_ourmods ()
972 {
973 int i, j, k;
974 int requestedmeta, realmeta, realalt;
975 const char *cm, *rsmod;
976 XModifierKeymap *map;
977 KeyCode *kc;
978 const unsigned int modmasks[] =
979 {
980 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
981 };
982
983 requestedmeta = realmeta = realalt = 0;
984 rsmod = rs[Rs_modifier];
985
986 if (rsmod
987 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
988 requestedmeta = rsmod[3] - '0';
989
990 map = XGetModifierMapping (dpy);
991 kc = map->modifiermap;
992
993 for (i = 1; i < 6; i++)
994 {
995 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
996
997 for (j = map->max_keypermod; j--; k++)
998 {
999 if (kc[k] == 0)
1000 break;
1001
1002 switch (XKeycodeToKeysym (dpy, kc[k], 0))
1003 {
1004 case XK_Num_Lock:
1005 ModNumLockMask = modmasks[i - 1];
1006 continue;
1007
1008 case XK_ISO_Level3_Shift:
1009 ModLevel3Mask = modmasks[i - 1];
1010 continue;
1011
1012 case XK_Meta_L:
1013 case XK_Meta_R:
1014 cm = "meta";
1015 realmeta = i;
1016 break;
1017
1018 case XK_Alt_L:
1019 case XK_Alt_R:
1020 cm = "alt";
1021 realalt = i;
1022 break;
1023
1024 case XK_Super_L:
1025 case XK_Super_R:
1026 cm = "super";
1027 break;
1028
1029 case XK_Hyper_L:
1030 case XK_Hyper_R:
1031 cm = "hyper";
1032 break;
1033
1034 default:
1035 continue;
1036 }
1037
1038 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
1039 requestedmeta = i;
1040 }
1041 }
1042
1043 XFreeModifiermap (map);
1044
1045 i = requestedmeta ? requestedmeta
1046 : realmeta ? realmeta
1047 : realalt ? realalt
1048 : 0;
1049
1050 if (i)
1051 ModMetaMask = modmasks[i - 1];
1052 }
1053
1054 /*----------------------------------------------------------------------*/
1055 /* rxvt_Create_Windows () - Open and map the window */
1056 void
1057 rxvt_term::create_windows (int argc, const char *const *argv)
1058 {
1059 XClassHint classHint;
1060 XWMHints wmHint;
1061 #if ENABLE_FRILLS
1062 MWMHints mwmhints = { };
1063 #endif
1064 XGCValues gcvalue;
1065 XSetWindowAttributes attributes;
1066 Window top, parent;
1067
1068 dLocal (Display *, dpy);
1069
1070 /* grab colors before netscape does */
1071 get_colours ();
1072
1073 if (!set_fonts ())
1074 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
1075
1076 parent = display->root;
1077
1078 attributes.override_redirect = !!option (Opt_override_redirect);
1079
1080 #if ENABLE_FRILLS
1081 if (option (Opt_borderLess))
1082 {
1083 if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None)
1084 {
1085 // rxvt_warn("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");
1086 attributes.override_redirect = true;
1087 }
1088 else
1089 {
1090 mwmhints.flags = MWM_HINTS_DECORATIONS;
1091 }
1092 }
1093 #endif
1094
1095 #if ENABLE_XEMBED
1096 if (rs[Rs_embed])
1097 {
1098 XWindowAttributes wattr;
1099
1100 parent = strtol (rs[Rs_embed], 0, 0);
1101
1102 if (!XGetWindowAttributes (dpy, parent, &wattr))
1103 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
1104
1105 window_calc (wattr.width, wattr.height);
1106 }
1107 #endif
1108
1109 window_calc (0, 0);
1110
1111 /* sub-window placement & size in rxvt_resize_subwindows () */
1112 attributes.background_pixel = pix_colors_focused [Color_border];
1113 attributes.border_pixel = pix_colors_focused [Color_border];
1114 attributes.colormap = cmap;
1115
1116 top = XCreateWindow (dpy, parent,
1117 szHint.x, szHint.y,
1118 szHint.width, szHint.height,
1119 ext_bwidth,
1120 depth, InputOutput, visual,
1121 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
1122 &attributes);
1123
1124 this->parent[0] = top;
1125
1126 old_width = szHint.width;
1127 old_height = szHint.height;
1128
1129 set_title (rs [Rs_title]);
1130 set_icon_name (rs [Rs_iconName]);
1131
1132 classHint.res_name = (char *)rs[Rs_name];
1133 classHint.res_class = (char *)RESCLASS;
1134
1135 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1136 wmHint.input = True;
1137 wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState;
1138 wmHint.window_group = top;
1139
1140 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc,
1141 &szHint, &wmHint, &classHint);
1142 #if ENABLE_EWMH
1143 # ifdef HAVE_AFTERIMAGE
1144 /*
1145 * set up icon hint
1146 * rs [Rs_iconfile] is path to icon, asv has been created in init_resources
1147 */
1148
1149 if (rs [Rs_iconfile])
1150 {
1151 init_asv ();
1152
1153 ASImage *im = file2ASImage (rs [Rs_iconfile], 0xFFFFFFFF, SCREEN_GAMMA, 0, NULL);
1154 if (asv && im)
1155 {
1156 int w = im->width;
1157 int h = im->height;
1158 long* buffer = (long *)malloc ((2 + w * h) * sizeof (long));
1159 ASImage *result = scale_asimage (asv, im,
1160 w, h, ASA_ARGB32,
1161 100, ASIMAGE_QUALITY_DEFAULT);
1162 destroy_asimage (&im);
1163
1164 if (buffer && result)
1165 {
1166 ARGB32 *asbuf = result->alt.argb32;
1167 buffer [0] = w;
1168 buffer [1] = h;
1169
1170 for (unsigned int i = 0; i < w * h; ++i)
1171 buffer [i + 2] = asbuf [i];
1172
1173 destroy_asimage (&result);
1174 XChangeProperty (dpy, top, xa[XA_NET_WM_ICON], XA_CARDINAL, 32,
1175 PropModeReplace, (const unsigned char*) buffer, 2 + w * h);
1176 free (buffer);
1177 }
1178 else
1179 {
1180 if (!buffer)
1181 rxvt_warn ("Memory allocation for icon hint failed, continuing without.\n");
1182
1183 if (!result)
1184 rxvt_warn ("Icon image transformation to ARGB failed, continuing without.\n");
1185 }
1186 }
1187 else
1188 rxvt_warn ("Loading image icon failed, continuing without.\n");
1189 }
1190 # endif
1191 #endif
1192
1193 #if ENABLE_FRILLS
1194 if (mwmhints.flags)
1195 XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
1196 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
1197 #endif
1198
1199 Atom protocols[] = {
1200 xa[XA_WM_DELETE_WINDOW],
1201 #if ENABLE_EWMH
1202 xa[XA_NET_WM_PING],
1203 #endif
1204 };
1205
1206 XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
1207
1208 #if ENABLE_FRILLS
1209 if (rs[Rs_transient_for])
1210 XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
1211 #endif
1212
1213 #if ENABLE_EWMH
1214 long pid = getpid ();
1215
1216 XChangeProperty (dpy, top,
1217 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
1218 PropModeReplace, (unsigned char *)&pid, 1);
1219
1220 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1221 #endif
1222
1223 XSelectInput (dpy, top,
1224 KeyPressMask
1225 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1226 | KeyReleaseMask
1227 #endif
1228 | FocusChangeMask | VisibilityChangeMask
1229 | ExposureMask | StructureNotifyMask);
1230
1231 termwin_ev.start (display, top);
1232
1233 /* vt cursor: Black-on-White is standard, but this is more popular */
1234 TermWin_cursor = XCreateFontCursor (dpy, XC_xterm);
1235
1236 /* the vt window */
1237 vt = XCreateSimpleWindow (dpy, top,
1238 window_vt_x, window_vt_y,
1239 width, height,
1240 0,
1241 pix_colors_focused[Color_fg],
1242 pix_colors_focused[Color_bg]);
1243
1244 attributes.bit_gravity = NorthWestGravity;
1245 XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes);
1246
1247 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1248
1249 if (option (Opt_pointerBlank))
1250 vt_emask |= PointerMotionMask;
1251 else
1252 vt_emask |= Button1MotionMask | Button3MotionMask;
1253
1254 vt_select_input ();
1255
1256 vt_ev.start (display, vt);
1257
1258 /* graphics context for the vt window */
1259 gcvalue.foreground = pix_colors[Color_fg];
1260 gcvalue.background = pix_colors[Color_bg];
1261 gcvalue.graphics_exposures = 0;
1262
1263 gc = XCreateGC (dpy, vt,
1264 GCForeground | GCBackground | GCGraphicsExposures,
1265 &gcvalue);
1266
1267 drawable = new rxvt_drawable (this, vt);
1268
1269 #ifdef OFF_FOCUS_FADING
1270 // initially we are in unfocused state
1271 if (rs[Rs_fade])
1272 pix_colors = pix_colors_unfocused;
1273 #endif
1274
1275 pointer_unblank ();
1276 scr_recolour ();
1277 }
1278
1279 /* ------------------------------------------------------------------------- *
1280 * GET TTY CURRENT STATE *
1281 * ------------------------------------------------------------------------- */
1282 void
1283 rxvt_get_ttymode (struct termios *tio, int erase)
1284 {
1285 /*
1286 * standard System V termios interface
1287 */
1288 if (tcgetattr (STDIN_FILENO, tio) < 0)
1289 {
1290 // return error - use system defaults,
1291 // where possible, and zero elsewhere
1292 memset (tio, 0, sizeof (struct termios));
1293
1294 tio->c_cc[VINTR] = CINTR;
1295 tio->c_cc[VQUIT] = CQUIT;
1296 tio->c_cc[VERASE] = CERASE;
1297 #ifdef VERASE2
1298 tio->c_cc[VERASE2] = CERASE2;
1299 #endif
1300 tio->c_cc[VKILL] = CKILL;
1301 tio->c_cc[VSTART] = CSTART;
1302 tio->c_cc[VSTOP] = CSTOP;
1303 tio->c_cc[VSUSP] = CSUSP;
1304 # ifdef VDSUSP
1305 tio->c_cc[VDSUSP] = CDSUSP;
1306 # endif
1307 # ifdef VREPRINT
1308 tio->c_cc[VREPRINT] = CRPRNT;
1309 # endif
1310 # ifdef VDISCRD
1311 tio->c_cc[VDISCRD] = CFLUSH;
1312 # endif
1313 # ifdef VWERSE
1314 tio->c_cc[VWERSE] = CWERASE;
1315 # endif
1316 # ifdef VLNEXT
1317 tio->c_cc[VLNEXT] = CLNEXT;
1318 # endif
1319 }
1320
1321 tio->c_cc[VEOF] = CEOF;
1322 tio->c_cc[VEOL] = VDISABLE;
1323 # ifdef VEOL2
1324 tio->c_cc[VEOL2] = VDISABLE;
1325 # endif
1326 # ifdef VSWTC
1327 tio->c_cc[VSWTC] = VDISABLE;
1328 # endif
1329 # ifdef VSWTCH
1330 tio->c_cc[VSWTCH] = VDISABLE;
1331 # endif
1332 # if VMIN != VEOF
1333 tio->c_cc[VMIN] = 1;
1334 # endif
1335 # if VTIME != VEOL
1336 tio->c_cc[VTIME] = 0;
1337 # endif
1338
1339 if (erase != -1)
1340 tio->c_cc[VERASE] = (char)erase;
1341
1342 /* input modes */
1343 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1344 # ifdef IMAXBEL
1345 | IMAXBEL
1346 # endif
1347 | IXON);
1348
1349 /* output modes */
1350 tio->c_oflag = (OPOST | ONLCR);
1351
1352 /* control modes */
1353 tio->c_cflag = (CS8 | CREAD);
1354
1355 /* line discipline modes */
1356 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1357 # if defined (ECHOCTL) && defined (ECHOKE)
1358 | ECHOCTL | ECHOKE
1359 # endif
1360 | ECHOE | ECHOK);
1361
1362 /*
1363 * Debugging
1364 */
1365 #ifdef DEBUG_TTYMODE
1366 /* c_iflag bits */
1367 fprintf (stderr, "Input flags\n");
1368
1369 /* cpp token stringize doesn't work on all machines <sigh> */
1370 # define FOO(flag,name) \
1371 if ((tio->c_iflag) & flag) \
1372 fprintf (stderr, "%s ", name)
1373
1374 /* c_iflag bits */
1375 FOO (IGNBRK, "IGNBRK");
1376 FOO (BRKINT, "BRKINT");
1377 FOO (IGNPAR, "IGNPAR");
1378 FOO (PARMRK, "PARMRK");
1379 FOO (INPCK, "INPCK");
1380 FOO (ISTRIP, "ISTRIP");
1381 FOO (INLCR, "INLCR");
1382 FOO (IGNCR, "IGNCR");
1383 FOO (ICRNL, "ICRNL");
1384 FOO (IXON, "IXON");
1385 FOO (IXOFF, "IXOFF");
1386 # ifdef IUCLC
1387 FOO (IUCLC, "IUCLC");
1388 # endif
1389 # ifdef IXANY
1390 FOO (IXANY, "IXANY");
1391 # endif
1392 # ifdef IMAXBEL
1393 FOO (IMAXBEL, "IMAXBEL");
1394 # endif
1395
1396 fprintf (stderr, "\n");
1397
1398 # undef FOO
1399 # define FOO(entry, name) \
1400 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1401
1402 FOO (VINTR, "VINTR");
1403 FOO (VQUIT, "VQUIT");
1404 FOO (VERASE, "VERASE");
1405 FOO (VKILL, "VKILL");
1406 FOO (VEOF, "VEOF");
1407 FOO (VEOL, "VEOL");
1408 # ifdef VEOL2
1409 FOO (VEOL2, "VEOL2");
1410 # endif
1411 # ifdef VSWTC
1412 FOO (VSWTC, "VSWTC");
1413 # endif
1414 # ifdef VSWTCH
1415 FOO (VSWTCH, "VSWTCH");
1416 # endif
1417 FOO (VSTART, "VSTART");
1418 FOO (VSTOP, "VSTOP");
1419 FOO (VSUSP, "VSUSP");
1420 # ifdef VDSUSP
1421 FOO (VDSUSP, "VDSUSP");
1422 # endif
1423 # ifdef VREPRINT
1424 FOO (VREPRINT, "VREPRINT");
1425 # endif
1426 # ifdef VDISCRD
1427 FOO (VDISCRD, "VDISCRD");
1428 # endif
1429 # ifdef VWERSE
1430 FOO (VWERSE, "VWERSE");
1431 # endif
1432 # ifdef VLNEXT
1433 FOO (VLNEXT, "VLNEXT");
1434 # endif
1435
1436 fprintf (stderr, "\n");
1437 # undef FOO
1438 #endif /* DEBUG_TTYMODE */
1439 }
1440
1441 /*----------------------------------------------------------------------*/
1442 /*
1443 * Run the command in a subprocess and return a file descriptor for the
1444 * master end of the pseudo-teletype pair with the command talking to
1445 * the slave.
1446 */
1447 void
1448 rxvt_term::run_command (const char *const *argv)
1449 {
1450 #if ENABLE_FRILLS
1451 if (rs[Rs_pty_fd])
1452 {
1453 pty->pty = atoi (rs[Rs_pty_fd]);
1454
1455 if (pty->pty >= 0)
1456 {
1457 if (getfd_hook)
1458 pty->pty = (*getfd_hook) (pty->pty);
1459
1460 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1461 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1462 }
1463 }
1464 else
1465 #endif
1466 if (!pty->get ())
1467 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1468
1469 int er;
1470
1471 #ifndef NO_BACKSPACE_KEY
1472 if (rs[Rs_backspace_key][0] && !rs[Rs_backspace_key][1])
1473 er = rs[Rs_backspace_key][0];
1474 else if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
1475 er = '\177'; /* the initial state anyway */
1476 else
1477 #endif
1478 er = -1;
1479
1480 rxvt_get_ttymode (&tio, er);
1481 /* init terminal attributes */
1482 cfsetospeed (&tio, BAUDRATE);
1483 cfsetispeed (&tio, BAUDRATE);
1484 tcsetattr (pty->tty, TCSANOW, &tio);
1485 pty->set_utf8_mode (enc_utf8);
1486
1487 /* set initial window size */
1488 tt_winch ();
1489
1490 #if ENABLE_FRILLS
1491 if (rs[Rs_pty_fd])
1492 return;
1493 #endif
1494
1495 /* spin off the command interpreter */
1496 switch (cmd_pid = fork ())
1497 {
1498 case -1:
1499 {
1500 cmd_pid = 0;
1501 rxvt_fatal ("can't fork, aborting.\n");
1502 }
1503 case 0:
1504 init_env ();
1505
1506 if (!pty->make_controlling_tty ())
1507 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1508 else
1509 {
1510 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1511 dup2 (pty->tty, STDIN_FILENO);
1512 dup2 (pty->tty, STDOUT_FILENO);
1513 dup2 (pty->tty, STDERR_FILENO);
1514
1515 // close all our file handles that we do no longer need
1516 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1517 {
1518 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1519 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1520 }
1521
1522 run_child (argv);
1523 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1524 }
1525
1526 _exit (EXIT_FAILURE);
1527
1528 default:
1529 if (!option (Opt_utmpInhibit))
1530 pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]);
1531
1532 pty->close_tty ();
1533
1534 child_ev.start (cmd_pid);
1535
1536 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1537 break;
1538 }
1539 }
1540
1541 /* ------------------------------------------------------------------------- *
1542 * CHILD PROCESS OPERATIONS *
1543 * ------------------------------------------------------------------------- */
1544 /*
1545 * The only open file descriptor is the slave tty - so no error messages.
1546 * returns are fatal
1547 */
1548 int
1549 rxvt_term::run_child (const char *const *argv)
1550 {
1551 char *login;
1552
1553 if (option (Opt_console))
1554 {
1555 /* be virtual console, fail silently */
1556 #ifdef TIOCCONS
1557 unsigned int on = 1;
1558
1559 ioctl (STDIN_FILENO, TIOCCONS, &on);
1560 #elif defined (SRIOCSREDIR)
1561 int fd;
1562
1563 fd = open (CONSOLE, O_WRONLY, 0);
1564 if (fd >= 0)
1565 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1566 close (fd);
1567 #endif /* SRIOCSREDIR */
1568 }
1569
1570 /* reset signals and spin off the command interpreter */
1571 signal (SIGINT, SIG_DFL);
1572 signal (SIGQUIT, SIG_DFL);
1573 signal (SIGCHLD, SIG_DFL);
1574 signal (SIGHUP, SIG_DFL);
1575 signal (SIGPIPE, SIG_DFL);
1576 /*
1577 * mimick login's behavior by disabling the job control signals
1578 * a shell that wants them can turn them back on
1579 */
1580 #ifdef SIGTSTP
1581 signal (SIGTSTP, SIG_IGN);
1582 signal (SIGTTIN, SIG_IGN);
1583 signal (SIGTTOU, SIG_IGN);
1584 #endif /* SIGTSTP */
1585
1586 /* command interpreter path */
1587 if (argv)
1588 {
1589 # ifdef DEBUG_CMD
1590 int i;
1591
1592 for (i = 0; argv[i]; i++)
1593 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1594 # endif
1595
1596 execvp (argv[0], (char *const *)argv);
1597 /* no error message: STDERR is closed! */
1598 }
1599 else
1600 {
1601 const char *argv0, *shell;
1602
1603 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1604 shell = "/bin/sh";
1605
1606 argv0 = (const char *)rxvt_basename (shell);
1607
1608 if (option (Opt_loginShell))
1609 {
1610 login = (char *)rxvt_malloc (strlen (argv0) + 2);
1611
1612 login[0] = '-';
1613 strcpy (&login[1], argv0);
1614 argv0 = login;
1615 }
1616
1617 execlp (shell, argv0, (char *)0);
1618 /* no error message: STDERR is closed! */
1619 }
1620
1621 return -1;
1622 }
1623
1624 /*----------------------- end-of-file (C source) -----------------------*/