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/cvs/rxvt-unicode/src/init.C
Revision: 1.244
Committed: Sat Jan 26 14:24:43 2008 UTC (16 years, 4 months ago) by ayin
Content type: text/plain
Branch: MAIN
CVS Tags: rel-9_01
Changes since 1.243: +1 -0 lines
Log Message:
Change the compile-time option to disable xft double-buffering to a
runtime one.

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