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Revision: 1.259
Committed: Sat May 30 08:51:23 2009 UTC (15 years ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-9_07
Changes since 1.258: +4 -0 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 /*----------------------------------------------------------------------*
2 * File: init.C
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7 * - original version
8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
9 * - extensive modifications
10 * Copyright (c) 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 letterSpace = LETTERSPACE;
299 saveLines = SAVELINES;
300
301 refresh_type = SLOW_REFRESH;
302
303 oldcursor.row = oldcursor.col = -1;
304
305 set_option (Opt_scrollBar);
306 set_option (Opt_scrollTtyOutput);
307 set_option (Opt_jumpScroll);
308 set_option (Opt_skipScroll);
309 set_option (Opt_secondaryScreen);
310 set_option (Opt_secondaryScroll);
311 set_option (Opt_pastableTabs);
312 set_option (Opt_intensityStyles);
313 set_option (Opt_iso14755_52);
314 set_option (Opt_buffered);
315 }
316
317 static void
318 init_secondary ()
319 {
320 int i;
321
322 if ((i = open ("/dev/null", O_RDONLY)) < 0)
323 {
324 dup2 (STDERR_FILENO, STDIN_FILENO);
325 }
326 else if (i != STDIN_FILENO)
327 {
328 dup2 (i, STDIN_FILENO);
329 close (i);
330 }
331
332 dup2 (STDERR_FILENO, STDOUT_FILENO);
333 }
334
335 /*----------------------------------------------------------------------*/
336 const char **
337 rxvt_term::init_resources (int argc, const char *const *argv)
338 {
339 int i, r_argc;
340 const char **cmd_argv, **r_argv;
341
342 /*
343 * Look for -e option. Find => split and make cmd_argv[] of command args
344 */
345 for (r_argc = 0; r_argc < argc; r_argc++)
346 if (!strcmp (argv[r_argc], "-e"))
347 break;
348
349 if (r_argc == argc)
350 cmd_argv = NULL;
351 else if (!argv[r_argc + 1])
352 rxvt_fatal ("option '-e' requires an argument, aborting.\n");
353 else
354 {
355 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
356
357 for (i = 0; i < argc - r_argc - 1; i++)
358 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
359
360 cmd_argv[i] = NULL;
361 }
362
363 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
364
365 for (i = 0; i < r_argc; i++)
366 r_argv[i] = (const char *)argv[i];
367
368 r_argv[i] = NULL;
369
370 rs[Rs_name] = rxvt_basename (argv[0]);
371
372 /*
373 * Open display, get options/resources and create the window
374 */
375
376 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
377 rs[Rs_display_name] = ":0";
378
379 get_options (r_argc, r_argv);
380
381 if (!(display = displays.get (rs[Rs_display_name])))
382 {
383 free (r_argv);
384 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
385 }
386
387 // using a local pointer decreases code size a lot
388 xa = display->xa;
389
390 set (display);
391 extract_resources ();
392
393 #if XFT
394 if (rs[Rs_depth])
395 select_visual (strtol (rs[Rs_depth], 0, 0));
396 #endif
397
398 free (r_argv);
399
400 for (int i = NUM_RESOURCES; i--; )
401 if (rs [i] == resval_undef)
402 rs [i] = 0;
403
404 #ifdef HAVE_AFTERIMAGE
405 set_application_name ((char *)rs[Rs_name]);
406 set_output_threshold (OUTPUT_LEVEL_WARNING);
407 #endif
408
409 #if ENABLE_PERL
410 if (!rs[Rs_perl_ext_1])
411 rs[Rs_perl_ext_1] = "default";
412
413 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
414 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
415 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
416 {
417 rxvt_perl.init (this);
418 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
419 }
420 #endif
421
422 /*
423 * set any defaults not already set
424 */
425 if (cmd_argv && cmd_argv[0])
426 {
427 if (!rs[Rs_title])
428 rs[Rs_title] = rxvt_basename (cmd_argv[0]);
429
430 if (!rs[Rs_iconName])
431 rs[Rs_iconName] = rs[Rs_title];
432 }
433 else
434 {
435 if (!rs[Rs_title])
436 rs[Rs_title] = rs[Rs_name];
437
438 if (!rs[Rs_iconName])
439 rs[Rs_iconName] = rs[Rs_name];
440 }
441
442 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
443 saveLines = min (i, MAX_SAVELINES);
444
445 #if ENABLE_FRILLS
446 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
447 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
448
449 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
450 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
451
452 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
453 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
454
455 if (rs[Rs_letterSpace])
456 letterSpace = atoi (rs[Rs_letterSpace]);
457 #endif
458
459 #ifdef POINTER_BLANK
460 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
461 pointerBlankDelay = i;
462 else
463 pointerBlankDelay = 2;
464 #endif
465
466 /* no point having a scrollbar without having any scrollback! */
467 if (!saveLines)
468 set_option (Opt_scrollBar, 0);
469
470 if (!rs[Rs_cutchars])
471 rs[Rs_cutchars] = CUTCHARS;
472
473 #ifndef NO_BACKSPACE_KEY
474 if (!rs[Rs_backspace_key])
475 # ifdef DEFAULT_BACKSPACE
476 rs[Rs_backspace_key] = DEFAULT_BACKSPACE;
477 # else
478 rs[Rs_backspace_key] = "DEC"; /* can toggle between \010 or \177 */
479 # endif
480 #endif
481
482 #ifndef NO_DELETE_KEY
483 if (!rs[Rs_delete_key])
484 # ifdef DEFAULT_DELETE
485 rs[Rs_delete_key] = DEFAULT_DELETE;
486 # else
487 rs[Rs_delete_key] = "\033[3~";
488 # endif
489 #endif
490
491 scrollBar.setup (this);
492
493 #ifdef XTERM_REVERSE_VIDEO
494 /* this is how xterm implements reverseVideo */
495 if (option (Opt_reverseVideo))
496 {
497 if (!rs[Rs_color + Color_fg])
498 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
499
500 if (!rs[Rs_color + Color_bg])
501 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
502 }
503 #endif
504
505 for (i = 0; i < NRS_COLORS; i++)
506 if (!rs[Rs_color + i])
507 rs[Rs_color + i] = def_colorName[i];
508
509 #ifndef XTERM_REVERSE_VIDEO
510 /* this is how we implement reverseVideo */
511 if (option (Opt_reverseVideo))
512 ::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]);
513 #endif
514
515 /* convenient aliases for setting fg/bg to colors */
516 color_aliases (Color_fg);
517 color_aliases (Color_bg);
518 #ifndef NO_CURSORCOLOR
519 color_aliases (Color_cursor);
520 color_aliases (Color_cursor2);
521 #endif /* NO_CURSORCOLOR */
522 color_aliases (Color_pointer_fg);
523 color_aliases (Color_pointer_bg);
524 color_aliases (Color_border);
525 #ifndef NO_BOLD_UNDERLINE_REVERSE
526 color_aliases (Color_BD);
527 color_aliases (Color_UL);
528 color_aliases (Color_RV);
529 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
530
531 if (!rs[Rs_color + Color_border])
532 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
533
534 return cmd_argv;
535 }
536
537 /*----------------------------------------------------------------------*/
538 void
539 rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
540 {
541 this->envv = envv;
542
543 SET_R (this);
544 set_locale ("");
545 set_environ (envv); // a few things in X do not call setlocale :(
546
547 init_vars ();
548
549 init_secondary ();
550
551 const char **cmd_argv = init_resources (argc, argv);
552
553 #ifdef KEYSYM_RESOURCE
554 keyboard->register_done ();
555 #endif
556
557 if (const char *path = rs[Rs_chdir])
558 if (*path) // ignored if empty
559 {
560 if (*path != '/')
561 rxvt_fatal ("specified shell working directory must start with a slash, aborting.\n");
562
563 if (chdir (path))
564 rxvt_fatal ("unable to change into specified shell working directory, aborting.\n");
565 }
566
567 if (option (Opt_scrollBar))
568 scrollBar.state = STATE_IDLE; /* set existence for size calculations */
569
570 pty = ptytty::create ();
571
572 create_windows (argc, argv);
573
574 init_xlocale ();
575
576 scr_poweron (); // initialize screen
577
578 #if 0
579 XSynchronize (dpy, True);
580 #endif
581
582 if (option (Opt_scrollBar))
583 scrollBar.resize (); /* create and map scrollbar */
584 #ifdef HAVE_BG_PIXMAP
585 {
586 bgPixmap.set_target (this);
587 bgPixmap.invalidate ();
588
589 #ifdef ENABLE_TRANSPARENCY
590 if (option (Opt_transparent))
591 {
592 bgPixmap.set_transparent ();
593
594 #ifdef HAVE_AFTERIMAGE
595 if (rs [Rs_blurradius])
596 bgPixmap.set_blur_radius (rs [Rs_blurradius]);
597 #endif
598 if (ISSET_PIXCOLOR (Color_tint))
599 bgPixmap.set_tint (pix_colors_focused [Color_tint]);
600
601 if (rs [Rs_shade])
602 bgPixmap.set_shade (rs [Rs_shade]);
603
604 bgPixmap.set_root_pixmap ();
605 XSelectInput (dpy, display->root, PropertyChangeMask);
606 rootwin_ev.start (display, display->root);
607 }
608 #endif
609
610 #ifdef BG_IMAGE_FROM_FILE
611 if (rs[Rs_backgroundPixmap])
612 {
613 const char *p = rs[Rs_backgroundPixmap];
614
615 if ((p = strchr (p, ';')) != 0)
616 {
617 p++;
618 bgPixmap.set_geometry (p);
619 }
620 else
621 bgPixmap.set_defaultGeometry ();
622
623 if (bgPixmap.set_file (rs[Rs_backgroundPixmap]))
624 if (!bgPixmap.window_position_sensitive ())
625 update_background ();
626 }
627 #endif
628 }
629 #endif
630
631 #if ENABLE_PERL
632 rootwin_ev.start (display, display->root);
633 #endif
634
635 set_colorfgbg ();
636
637 init_command (cmd_argv);
638
639 free (cmd_argv);
640
641 if (pty->pty >= 0)
642 pty_ev.start (pty->pty, ev::READ);
643
644 HOOK_INVOKE ((this, HOOK_START, DT_END));
645
646 #if ENABLE_XEMBED
647 if (rs[Rs_embed])
648 {
649 long info[2] = { 0, XEMBED_MAPPED };
650
651 XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
652 32, PropModeReplace, (unsigned char *)&info, 2);
653 }
654 #endif
655
656 XMapWindow (dpy, vt);
657 XMapWindow (dpy, parent[0]);
658
659 refresh_check ();
660 }
661
662 /*----------------------------------------------------------------------*/
663 void
664 rxvt_term::init_env ()
665 {
666 int i;
667 char *val;
668
669 #ifdef DISPLAY_IS_IP
670 /* Fixup display_name for export over pty to any interested terminal
671 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
672 * (for the first non-loopback interface) that we get from
673 * rxvt_network_display (). This is more "name-resolution-portable", if you
674 * will, and probably allows for faster x-client startup if your name
675 * server is beyond a slow link or overloaded at client startup. Of
676 * course that only helps the shell's child processes, not us.
677 *
678 * Giving out the display_name also affords a potential security hole
679 */
680 val = rxvt_network_display (rs[Rs_display_name]);
681 rs[Rs_display_name] = (const char *)val;
682
683 if (val == NULL)
684 #endif /* DISPLAY_IS_IP */
685 val = XDisplayString (dpy);
686
687 if (rs[Rs_display_name] == NULL)
688 rs[Rs_display_name] = val; /* use broken `:0' value */
689
690 i = strlen (val);
691 env_display = (char *)rxvt_malloc (i + 9);
692
693 sprintf (env_display, "DISPLAY=%s", val);
694
695 sprintf (env_windowid, "WINDOWID=%lu", (unsigned long)parent[0]);
696
697 /* add entries to the environment:
698 * @ DISPLAY: in case we started with -display
699 * @ WINDOWID: X window id number of the window
700 * @ COLORTERM: terminal sub-name and also indicates its color
701 * @ TERM: terminal name
702 * @ TERMINFO: path to terminfo directory
703 * @ COLORFGBG: fg;bg color codes
704 */
705 putenv (env_display);
706 putenv (env_windowid);
707
708 if (env_colorfgbg)
709 putenv (env_colorfgbg);
710
711 #ifdef RXVT_TERMINFO
712 putenv ("TERMINFO=" RXVT_TERMINFO);
713 #endif
714
715 if (depth <= 2)
716 putenv ("COLORTERM=" COLORTERMENV "-mono");
717 else
718 putenv ("COLORTERM=" COLORTERMENVFULL);
719
720 if (rs[Rs_term_name] != NULL)
721 {
722 env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6);
723 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
724 putenv (env_term);
725 }
726 else
727 putenv ("TERM=" TERMENV);
728
729 #ifdef HAVE_UNSETENV
730 /* avoid passing old settings and confusing term size */
731 unsetenv ("LINES");
732 unsetenv ("COLUMNS");
733 unsetenv ("TERMCAP"); /* terminfo should be okay */
734 #endif /* HAVE_UNSETENV */
735 }
736
737 /*----------------------------------------------------------------------*/
738 /*
739 * This is more or less stolen straight from XFree86 xterm.
740 * This should support all European type languages.
741 */
742 void
743 rxvt_term::set_locale (const char *locale)
744 {
745 set_environ (envv);
746
747 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
748 free (this->locale);
749 this->locale = setlocale (LC_CTYPE, locale);
750
751 if (!this->locale)
752 {
753 if (*locale)
754 {
755 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
756 setlocale (LC_CTYPE, "C");
757 }
758 else
759 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
760
761 this->locale = "C";
762 }
763
764
765 this->locale = strdup (this->locale);
766 SET_LOCALE (this->locale);
767 mbstate.reset ();
768 #endif
769
770 #if HAVE_NL_LANGINFO
771 char *codeset = strdup (nl_langinfo (CODESET));
772 // /^UTF.?8/i
773 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
774 && (codeset[1] == 'T' || codeset[1] == 't')
775 && (codeset[2] == 'F' || codeset[2] == 'f')
776 && (codeset[3] == '8' || codeset[4] == '8');
777 free (codeset);
778 #else
779 enc_utf8 = 0;
780 #endif
781 }
782
783 void
784 rxvt_term::init_xlocale ()
785 {
786 set_environ (envv);
787
788 #ifdef USE_XIM
789 if (!locale)
790 rxvt_warn ("setting locale failed, working without locale support.\n");
791 else
792 {
793 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
794
795 if (!XSupportsLocale ())
796 {
797 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
798 return;
799 }
800
801 im_ev.start (display);
802
803 /* see if we can connect already */
804 im_cb ();
805 }
806 #endif
807 }
808
809 /*----------------------------------------------------------------------*/
810 void
811 rxvt_term::init_command (const char *const *argv)
812 {
813 /*
814 * Initialize the command connection.
815 * This should be called after the X server connection is established.
816 */
817
818 #ifdef META8_OPTION
819 meta_char = option (Opt_meta8) ? 0x80 : C0_ESC;
820 #endif
821
822 get_ourmods ();
823
824 if (!option (Opt_scrollTtyOutput))
825 priv_modes |= PrivMode_TtyOutputInh;
826 if (option (Opt_scrollTtyKeypress))
827 priv_modes |= PrivMode_Keypress;
828 if (!option (Opt_jumpScroll))
829 priv_modes |= PrivMode_smoothScroll;
830
831 #ifndef NO_BACKSPACE_KEY
832 if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
833 priv_modes |= PrivMode_HaveBackSpace;
834 #endif
835
836 /* add value for scrollBar */
837 if (scrollBar.state)
838 {
839 priv_modes |= PrivMode_scrollBar;
840 SavedModes |= PrivMode_scrollBar;
841 }
842
843 run_command (argv);
844 }
845
846 /*----------------------------------------------------------------------*/
847 void
848 rxvt_term::get_colours ()
849 {
850 int i;
851
852 #ifdef OFF_FOCUS_FADING
853 pix_colors = pix_colors_focused;
854 #endif
855
856 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
857 {
858 const char *name = rs[Rs_color + i];
859
860 if (!name)
861 continue;
862
863 rxvt_color xcol;
864
865 if (!set_color (xcol, name))
866 {
867 #ifndef XTERM_REVERSE_VIDEO
868 if (i < 2 && option (Opt_reverseVideo))
869 name = def_colorName [1 - i];
870 else
871 #endif
872 name = def_colorName [i];
873
874 if (!name)
875 continue;
876
877 if (!set_color (xcol, name))
878 {
879 switch (i)
880 {
881 case Color_fg:
882 case Color_bg:
883 rxvt_warn ("unable to get foreground/background colour, continuing.\n");
884 name = "";
885 break;
886 #ifndef NO_CURSORCOLOR
887 case Color_cursor2:
888 #endif
889 case Color_pointer_fg:
890 name = rs[Rs_color + Color_fg];
891 xcol.set (this, name);
892 break;
893 default:
894 name = rs[Rs_color + Color_bg];
895 xcol.set (this, name);
896 break;
897 }
898 }
899 }
900
901 pix_colors[i] = xcol;
902 rs[Rs_color + i] = name;
903 }
904
905 if (depth <= 2)
906 {
907 if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg);
908 if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg);
909 if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg);
910 }
911
912 /*
913 * get scrollBar shadow colors
914 *
915 * The calculations of topShadow/bottomShadow values are adapted
916 * from the fvwm window manager.
917 */
918 #ifdef RXVT_SCROLLBAR
919 if (depth <= 2)
920 {
921 /* Monochrome */
922 alias_color (Color_scroll, Color_fg);
923 alias_color (Color_topShadow, Color_bg);
924 alias_color (Color_bottomShadow, Color_bg);
925 }
926 else
927 {
928 pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]);
929
930 rgba cscroll;
931 pix_colors [Color_scroll].get (cscroll);
932
933 /* topShadowColor */
934 if (!pix_colors[Color_topShadow].set (this,
935 rgba (
936 min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5),
937 min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5),
938 min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5),
939 cscroll.a)
940 ))
941 alias_color (Color_topShadow, Color_White);
942 }
943 #endif
944
945 #ifdef OFF_FOCUS_FADING
946 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
947 update_fade_color (i);
948 #endif
949 }
950
951 /*----------------------------------------------------------------------*/
952 /* color aliases, fg/bg bright-bold */
953 void
954 rxvt_term::color_aliases (int idx)
955 {
956 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
957 {
958 int i = atoi (rs[Rs_color + idx]);
959
960 if (i >= 8 && i <= 15)
961 /* bright colors */
962 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i - 8];
963 else if (i >= 0 && i <= 7)
964 /* normal colors */
965 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
966 }
967 }
968
969 /*----------------------------------------------------------------------*/
970 /*
971 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
972 * Use resource ``modifier'' to override the Meta modifier
973 */
974 void
975 rxvt_term::get_ourmods ()
976 {
977 int i, j, k;
978 int requestedmeta, realmeta, realalt;
979 const char *cm, *rsmod;
980 XModifierKeymap *map;
981 KeyCode *kc;
982 const unsigned int modmasks[] =
983 {
984 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
985 };
986
987 requestedmeta = realmeta = realalt = 0;
988 rsmod = rs[Rs_modifier];
989
990 if (rsmod
991 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
992 requestedmeta = rsmod[3] - '0';
993
994 map = XGetModifierMapping (dpy);
995 kc = map->modifiermap;
996
997 for (i = 1; i < 6; i++)
998 {
999 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
1000
1001 for (j = map->max_keypermod; j--; k++)
1002 {
1003 if (kc[k] == 0)
1004 break;
1005
1006 switch (XKeycodeToKeysym (dpy, kc[k], 0))
1007 {
1008 case XK_Num_Lock:
1009 ModNumLockMask = modmasks[i - 1];
1010 continue;
1011
1012 case XK_ISO_Level3_Shift:
1013 ModLevel3Mask = modmasks[i - 1];
1014 continue;
1015
1016 case XK_Meta_L:
1017 case XK_Meta_R:
1018 cm = "meta";
1019 realmeta = i;
1020 break;
1021
1022 case XK_Alt_L:
1023 case XK_Alt_R:
1024 cm = "alt";
1025 realalt = i;
1026 break;
1027
1028 case XK_Super_L:
1029 case XK_Super_R:
1030 cm = "super";
1031 break;
1032
1033 case XK_Hyper_L:
1034 case XK_Hyper_R:
1035 cm = "hyper";
1036 break;
1037
1038 default:
1039 continue;
1040 }
1041
1042 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
1043 requestedmeta = i;
1044 }
1045 }
1046
1047 XFreeModifiermap (map);
1048
1049 i = requestedmeta ? requestedmeta
1050 : realmeta ? realmeta
1051 : realalt ? realalt
1052 : 0;
1053
1054 if (i)
1055 ModMetaMask = modmasks[i - 1];
1056 }
1057
1058 /*----------------------------------------------------------------------*/
1059 /* rxvt_Create_Windows () - Open and map the window */
1060 void
1061 rxvt_term::create_windows (int argc, const char *const *argv)
1062 {
1063 XClassHint classHint;
1064 XWMHints wmHint;
1065 #if ENABLE_FRILLS
1066 MWMHints mwmhints = { };
1067 #endif
1068 XGCValues gcvalue;
1069 XSetWindowAttributes attributes;
1070 Window top, parent;
1071
1072 dLocal (Display *, dpy);
1073
1074 /* grab colors before netscape does */
1075 get_colours ();
1076
1077 if (!set_fonts ())
1078 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
1079
1080 parent = display->root;
1081
1082 attributes.override_redirect = !!option (Opt_override_redirect);
1083
1084 #if ENABLE_FRILLS
1085 if (option (Opt_borderLess))
1086 {
1087 if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None)
1088 {
1089 // rxvt_warn("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");
1090 attributes.override_redirect = true;
1091 }
1092 else
1093 {
1094 mwmhints.flags = MWM_HINTS_DECORATIONS;
1095 }
1096 }
1097 #endif
1098
1099 #if ENABLE_XEMBED
1100 if (rs[Rs_embed])
1101 {
1102 XWindowAttributes wattr;
1103
1104 parent = strtol (rs[Rs_embed], 0, 0);
1105
1106 if (!XGetWindowAttributes (dpy, parent, &wattr))
1107 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
1108
1109 window_calc (wattr.width, wattr.height);
1110 }
1111 #endif
1112
1113 window_calc (0, 0);
1114
1115 /* sub-window placement & size in rxvt_resize_subwindows () */
1116 attributes.background_pixel = pix_colors_focused [Color_border];
1117 attributes.border_pixel = pix_colors_focused [Color_border];
1118 attributes.colormap = cmap;
1119
1120 top = XCreateWindow (dpy, parent,
1121 szHint.x, szHint.y,
1122 szHint.width, szHint.height,
1123 ext_bwidth,
1124 depth, InputOutput, visual,
1125 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
1126 &attributes);
1127
1128 this->parent[0] = top;
1129
1130 old_width = szHint.width;
1131 old_height = szHint.height;
1132
1133 set_title (rs [Rs_title]);
1134 set_icon_name (rs [Rs_iconName]);
1135
1136 classHint.res_name = (char *)rs[Rs_name];
1137 classHint.res_class = (char *)RESCLASS;
1138
1139 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1140 wmHint.input = True;
1141 wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState;
1142 wmHint.window_group = top;
1143
1144 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc,
1145 &szHint, &wmHint, &classHint);
1146 #if ENABLE_EWMH
1147 # ifdef HAVE_AFTERIMAGE
1148 /*
1149 * set up icon hint
1150 * rs [Rs_iconfile] is path to icon, asv has been created in init_resources
1151 */
1152
1153 if (rs [Rs_iconfile])
1154 {
1155 init_asv ();
1156
1157 ASImage *im = file2ASImage (rs [Rs_iconfile], 0xFFFFFFFF, SCREEN_GAMMA, 0, NULL);
1158 if (asv && im)
1159 {
1160 int w = im->width;
1161 int h = im->height;
1162 long* buffer = (long *)malloc ((2 + w * h) * sizeof (long));
1163 ASImage *result = scale_asimage (asv, im,
1164 w, h, ASA_ARGB32,
1165 100, ASIMAGE_QUALITY_DEFAULT);
1166 destroy_asimage (&im);
1167
1168 if (buffer && result)
1169 {
1170 ARGB32 *asbuf = result->alt.argb32;
1171 buffer [0] = w;
1172 buffer [1] = h;
1173
1174 for (unsigned int i = 0; i < w * h; ++i)
1175 buffer [i + 2] = asbuf [i];
1176
1177 destroy_asimage (&result);
1178 XChangeProperty (dpy, top, xa[XA_NET_WM_ICON], XA_CARDINAL, 32,
1179 PropModeReplace, (const unsigned char*) buffer, 2 + w * h);
1180 free (buffer);
1181 }
1182 else
1183 {
1184 if (!buffer)
1185 rxvt_warn ("Memory allocation for icon hint failed, continuing without.\n");
1186
1187 if (!result)
1188 rxvt_warn ("Icon image transformation to ARGB failed, continuing without.\n");
1189 }
1190 }
1191 else
1192 rxvt_warn ("Loading image icon failed, continuing without.\n");
1193 }
1194 # endif
1195 #endif
1196
1197 #if ENABLE_FRILLS
1198 if (mwmhints.flags)
1199 XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
1200 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
1201 #endif
1202
1203 Atom protocols[] = {
1204 xa[XA_WM_DELETE_WINDOW],
1205 #if ENABLE_EWMH
1206 xa[XA_NET_WM_PING],
1207 #endif
1208 };
1209
1210 XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
1211
1212 #if ENABLE_FRILLS
1213 if (rs[Rs_transient_for])
1214 XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
1215 #endif
1216
1217 #if ENABLE_EWMH
1218 long pid = getpid ();
1219
1220 XChangeProperty (dpy, top,
1221 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
1222 PropModeReplace, (unsigned char *)&pid, 1);
1223
1224 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1225 #endif
1226
1227 XSelectInput (dpy, top,
1228 KeyPressMask
1229 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1230 | KeyReleaseMask
1231 #endif
1232 | FocusChangeMask | VisibilityChangeMask
1233 | ExposureMask | StructureNotifyMask);
1234
1235 termwin_ev.start (display, top);
1236
1237 /* vt cursor: Black-on-White is standard, but this is more popular */
1238 TermWin_cursor = XCreateFontCursor (dpy, XC_xterm);
1239
1240 /* the vt window */
1241 vt = XCreateSimpleWindow (dpy, top,
1242 window_vt_x, window_vt_y,
1243 width, height,
1244 0,
1245 pix_colors_focused[Color_fg],
1246 pix_colors_focused[Color_bg]);
1247
1248 attributes.bit_gravity = NorthWestGravity;
1249 XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes);
1250
1251 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1252
1253 if (option (Opt_pointerBlank))
1254 vt_emask |= PointerMotionMask;
1255 else
1256 vt_emask |= Button1MotionMask | Button3MotionMask;
1257
1258 vt_select_input ();
1259
1260 vt_ev.start (display, vt);
1261
1262 /* graphics context for the vt window */
1263 gcvalue.foreground = pix_colors[Color_fg];
1264 gcvalue.background = pix_colors[Color_bg];
1265 gcvalue.graphics_exposures = 0;
1266
1267 gc = XCreateGC (dpy, vt,
1268 GCForeground | GCBackground | GCGraphicsExposures,
1269 &gcvalue);
1270
1271 drawable = new rxvt_drawable (this, vt);
1272
1273 #ifdef OFF_FOCUS_FADING
1274 // initially we are in unfocused state
1275 if (rs[Rs_fade])
1276 pix_colors = pix_colors_unfocused;
1277 #endif
1278
1279 pointer_unblank ();
1280 scr_recolour ();
1281 }
1282
1283 /* ------------------------------------------------------------------------- *
1284 * GET TTY CURRENT STATE *
1285 * ------------------------------------------------------------------------- */
1286 void
1287 rxvt_get_ttymode (struct termios *tio, int erase)
1288 {
1289 /*
1290 * standard System V termios interface
1291 */
1292 if (tcgetattr (STDIN_FILENO, tio) < 0)
1293 {
1294 // return error - use system defaults,
1295 // where possible, and zero elsewhere
1296 memset (tio, 0, sizeof (struct termios));
1297
1298 tio->c_cc[VINTR] = CINTR;
1299 tio->c_cc[VQUIT] = CQUIT;
1300 tio->c_cc[VERASE] = CERASE;
1301 #ifdef VERASE2
1302 tio->c_cc[VERASE2] = CERASE2;
1303 #endif
1304 tio->c_cc[VKILL] = CKILL;
1305 tio->c_cc[VSTART] = CSTART;
1306 tio->c_cc[VSTOP] = CSTOP;
1307 tio->c_cc[VSUSP] = CSUSP;
1308 # ifdef VDSUSP
1309 tio->c_cc[VDSUSP] = CDSUSP;
1310 # endif
1311 # ifdef VREPRINT
1312 tio->c_cc[VREPRINT] = CRPRNT;
1313 # endif
1314 # ifdef VDISCRD
1315 tio->c_cc[VDISCRD] = CFLUSH;
1316 # endif
1317 # ifdef VWERSE
1318 tio->c_cc[VWERSE] = CWERASE;
1319 # endif
1320 # ifdef VLNEXT
1321 tio->c_cc[VLNEXT] = CLNEXT;
1322 # endif
1323 }
1324
1325 tio->c_cc[VEOF] = CEOF;
1326 tio->c_cc[VEOL] = VDISABLE;
1327 # ifdef VEOL2
1328 tio->c_cc[VEOL2] = VDISABLE;
1329 # endif
1330 # ifdef VSWTC
1331 tio->c_cc[VSWTC] = VDISABLE;
1332 # endif
1333 # ifdef VSWTCH
1334 tio->c_cc[VSWTCH] = VDISABLE;
1335 # endif
1336 # if VMIN != VEOF
1337 tio->c_cc[VMIN] = 1;
1338 # endif
1339 # if VTIME != VEOL
1340 tio->c_cc[VTIME] = 0;
1341 # endif
1342
1343 if (erase != -1)
1344 tio->c_cc[VERASE] = (char)erase;
1345
1346 /* input modes */
1347 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1348 # ifdef IMAXBEL
1349 | IMAXBEL
1350 # endif
1351 | IXON);
1352
1353 /* output modes */
1354 tio->c_oflag = (OPOST | ONLCR);
1355
1356 /* control modes */
1357 tio->c_cflag = (CS8 | CREAD);
1358
1359 /* line discipline modes */
1360 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1361 # if defined (ECHOCTL) && defined (ECHOKE)
1362 | ECHOCTL | ECHOKE
1363 # endif
1364 | ECHOE | ECHOK);
1365
1366 /*
1367 * Debugging
1368 */
1369 #ifdef DEBUG_TTYMODE
1370 /* c_iflag bits */
1371 fprintf (stderr, "Input flags\n");
1372
1373 /* cpp token stringize doesn't work on all machines <sigh> */
1374 # define FOO(flag,name) \
1375 if ((tio->c_iflag) & flag) \
1376 fprintf (stderr, "%s ", name)
1377
1378 /* c_iflag bits */
1379 FOO (IGNBRK, "IGNBRK");
1380 FOO (BRKINT, "BRKINT");
1381 FOO (IGNPAR, "IGNPAR");
1382 FOO (PARMRK, "PARMRK");
1383 FOO (INPCK, "INPCK");
1384 FOO (ISTRIP, "ISTRIP");
1385 FOO (INLCR, "INLCR");
1386 FOO (IGNCR, "IGNCR");
1387 FOO (ICRNL, "ICRNL");
1388 FOO (IXON, "IXON");
1389 FOO (IXOFF, "IXOFF");
1390 # ifdef IUCLC
1391 FOO (IUCLC, "IUCLC");
1392 # endif
1393 # ifdef IXANY
1394 FOO (IXANY, "IXANY");
1395 # endif
1396 # ifdef IMAXBEL
1397 FOO (IMAXBEL, "IMAXBEL");
1398 # endif
1399
1400 fprintf (stderr, "\n");
1401
1402 # undef FOO
1403 # define FOO(entry, name) \
1404 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1405
1406 FOO (VINTR, "VINTR");
1407 FOO (VQUIT, "VQUIT");
1408 FOO (VERASE, "VERASE");
1409 FOO (VKILL, "VKILL");
1410 FOO (VEOF, "VEOF");
1411 FOO (VEOL, "VEOL");
1412 # ifdef VEOL2
1413 FOO (VEOL2, "VEOL2");
1414 # endif
1415 # ifdef VSWTC
1416 FOO (VSWTC, "VSWTC");
1417 # endif
1418 # ifdef VSWTCH
1419 FOO (VSWTCH, "VSWTCH");
1420 # endif
1421 FOO (VSTART, "VSTART");
1422 FOO (VSTOP, "VSTOP");
1423 FOO (VSUSP, "VSUSP");
1424 # ifdef VDSUSP
1425 FOO (VDSUSP, "VDSUSP");
1426 # endif
1427 # ifdef VREPRINT
1428 FOO (VREPRINT, "VREPRINT");
1429 # endif
1430 # ifdef VDISCRD
1431 FOO (VDISCRD, "VDISCRD");
1432 # endif
1433 # ifdef VWERSE
1434 FOO (VWERSE, "VWERSE");
1435 # endif
1436 # ifdef VLNEXT
1437 FOO (VLNEXT, "VLNEXT");
1438 # endif
1439
1440 fprintf (stderr, "\n");
1441 # undef FOO
1442 #endif /* DEBUG_TTYMODE */
1443 }
1444
1445 /*----------------------------------------------------------------------*/
1446 /*
1447 * Run the command in a subprocess and return a file descriptor for the
1448 * master end of the pseudo-teletype pair with the command talking to
1449 * the slave.
1450 */
1451 void
1452 rxvt_term::run_command (const char *const *argv)
1453 {
1454 #if ENABLE_FRILLS
1455 if (rs[Rs_pty_fd])
1456 {
1457 pty->pty = atoi (rs[Rs_pty_fd]);
1458
1459 if (pty->pty >= 0)
1460 {
1461 if (getfd_hook)
1462 pty->pty = (*getfd_hook) (pty->pty);
1463
1464 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1465 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1466 }
1467 }
1468 else
1469 #endif
1470 if (!pty->get ())
1471 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1472
1473 int er;
1474
1475 #ifndef NO_BACKSPACE_KEY
1476 if (rs[Rs_backspace_key][0] && !rs[Rs_backspace_key][1])
1477 er = rs[Rs_backspace_key][0];
1478 else if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
1479 er = '\177'; /* the initial state anyway */
1480 else
1481 #endif
1482 er = -1;
1483
1484 rxvt_get_ttymode (&tio, er);
1485 /* init terminal attributes */
1486 cfsetospeed (&tio, BAUDRATE);
1487 cfsetispeed (&tio, BAUDRATE);
1488 tcsetattr (pty->tty, TCSANOW, &tio);
1489 pty->set_utf8_mode (enc_utf8);
1490
1491 /* set initial window size */
1492 tt_winch ();
1493
1494 #if ENABLE_FRILLS
1495 if (rs[Rs_pty_fd])
1496 return;
1497 #endif
1498
1499 /* spin off the command interpreter */
1500 switch (cmd_pid = fork ())
1501 {
1502 case -1:
1503 {
1504 cmd_pid = 0;
1505 rxvt_fatal ("can't fork, aborting.\n");
1506 }
1507 case 0:
1508 init_env ();
1509
1510 if (!pty->make_controlling_tty ())
1511 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1512 else
1513 {
1514 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1515 dup2 (pty->tty, STDIN_FILENO);
1516 dup2 (pty->tty, STDOUT_FILENO);
1517 dup2 (pty->tty, STDERR_FILENO);
1518
1519 // close all our file handles that we do no longer need
1520 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1521 {
1522 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1523 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1524 }
1525
1526 run_child (argv);
1527 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1528 }
1529
1530 _exit (EXIT_FAILURE);
1531
1532 default:
1533 if (!option (Opt_utmpInhibit))
1534 pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]);
1535
1536 pty->close_tty ();
1537
1538 child_ev.start (cmd_pid);
1539
1540 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1541 break;
1542 }
1543 }
1544
1545 /* ------------------------------------------------------------------------- *
1546 * CHILD PROCESS OPERATIONS *
1547 * ------------------------------------------------------------------------- */
1548 /*
1549 * The only open file descriptor is the slave tty - so no error messages.
1550 * returns are fatal
1551 */
1552 int
1553 rxvt_term::run_child (const char *const *argv)
1554 {
1555 char *login;
1556
1557 if (option (Opt_console))
1558 {
1559 /* be virtual console, fail silently */
1560 #ifdef TIOCCONS
1561 unsigned int on = 1;
1562
1563 ioctl (STDIN_FILENO, TIOCCONS, &on);
1564 #elif defined (SRIOCSREDIR)
1565 int fd;
1566
1567 fd = open (CONSOLE, O_WRONLY, 0);
1568 if (fd >= 0)
1569 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1570 close (fd);
1571 #endif /* SRIOCSREDIR */
1572 }
1573
1574 /* reset signals and spin off the command interpreter */
1575 signal (SIGINT, SIG_DFL);
1576 signal (SIGQUIT, SIG_DFL);
1577 signal (SIGCHLD, SIG_DFL);
1578 signal (SIGHUP, SIG_DFL);
1579 signal (SIGPIPE, SIG_DFL);
1580 /*
1581 * mimick login's behavior by disabling the job control signals
1582 * a shell that wants them can turn them back on
1583 */
1584 #ifdef SIGTSTP
1585 signal (SIGTSTP, SIG_IGN);
1586 signal (SIGTTIN, SIG_IGN);
1587 signal (SIGTTOU, SIG_IGN);
1588 #endif /* SIGTSTP */
1589
1590 /* command interpreter path */
1591 if (argv)
1592 {
1593 # ifdef DEBUG_CMD
1594 int i;
1595
1596 for (i = 0; argv[i]; i++)
1597 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1598 # endif
1599
1600 execvp (argv[0], (char *const *)argv);
1601 /* no error message: STDERR is closed! */
1602 }
1603 else
1604 {
1605 const char *argv0, *shell;
1606
1607 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1608 shell = "/bin/sh";
1609
1610 argv0 = rxvt_basename (shell);
1611
1612 if (option (Opt_loginShell))
1613 {
1614 login = (char *)rxvt_malloc (strlen (argv0) + 2);
1615
1616 login[0] = '-';
1617 strcpy (&login[1], argv0);
1618 argv0 = login;
1619 }
1620
1621 execlp (shell, argv0, (char *)0);
1622 /* no error message: STDERR is closed! */
1623 }
1624
1625 return -1;
1626 }
1627
1628 /*----------------------- end-of-file (C source) -----------------------*/