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Revision: 1.260
Committed: Wed Jan 6 12:10:44 2010 UTC (14 years, 4 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.259: +1 -0 lines
Log Message:
Add iso14755 option to disable ISO 14755 at runtime.

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);
314 set_option (Opt_iso14755_52);
315 set_option (Opt_buffered);
316 }
317
318 static void
319 init_secondary ()
320 {
321 int i;
322
323 if ((i = open ("/dev/null", O_RDONLY)) < 0)
324 {
325 dup2 (STDERR_FILENO, STDIN_FILENO);
326 }
327 else if (i != STDIN_FILENO)
328 {
329 dup2 (i, STDIN_FILENO);
330 close (i);
331 }
332
333 dup2 (STDERR_FILENO, STDOUT_FILENO);
334 }
335
336 /*----------------------------------------------------------------------*/
337 const char **
338 rxvt_term::init_resources (int argc, const char *const *argv)
339 {
340 int i, r_argc;
341 const char **cmd_argv, **r_argv;
342
343 /*
344 * Look for -e option. Find => split and make cmd_argv[] of command args
345 */
346 for (r_argc = 0; r_argc < argc; r_argc++)
347 if (!strcmp (argv[r_argc], "-e"))
348 break;
349
350 if (r_argc == argc)
351 cmd_argv = NULL;
352 else if (!argv[r_argc + 1])
353 rxvt_fatal ("option '-e' requires an argument, aborting.\n");
354 else
355 {
356 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
357
358 for (i = 0; i < argc - r_argc - 1; i++)
359 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
360
361 cmd_argv[i] = NULL;
362 }
363
364 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
365
366 for (i = 0; i < r_argc; i++)
367 r_argv[i] = (const char *)argv[i];
368
369 r_argv[i] = NULL;
370
371 rs[Rs_name] = rxvt_basename (argv[0]);
372
373 /*
374 * Open display, get options/resources and create the window
375 */
376
377 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
378 rs[Rs_display_name] = ":0";
379
380 get_options (r_argc, r_argv);
381
382 if (!(display = displays.get (rs[Rs_display_name])))
383 {
384 free (r_argv);
385 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
386 }
387
388 // using a local pointer decreases code size a lot
389 xa = display->xa;
390
391 set (display);
392 extract_resources ();
393
394 #if XFT
395 if (rs[Rs_depth])
396 select_visual (strtol (rs[Rs_depth], 0, 0));
397 #endif
398
399 free (r_argv);
400
401 for (int i = NUM_RESOURCES; i--; )
402 if (rs [i] == resval_undef)
403 rs [i] = 0;
404
405 #ifdef HAVE_AFTERIMAGE
406 set_application_name ((char *)rs[Rs_name]);
407 set_output_threshold (OUTPUT_LEVEL_WARNING);
408 #endif
409
410 #if ENABLE_PERL
411 if (!rs[Rs_perl_ext_1])
412 rs[Rs_perl_ext_1] = "default";
413
414 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
415 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
416 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
417 {
418 rxvt_perl.init (this);
419 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
420 }
421 #endif
422
423 /*
424 * set any defaults not already set
425 */
426 if (cmd_argv && cmd_argv[0])
427 {
428 if (!rs[Rs_title])
429 rs[Rs_title] = rxvt_basename (cmd_argv[0]);
430
431 if (!rs[Rs_iconName])
432 rs[Rs_iconName] = rs[Rs_title];
433 }
434 else
435 {
436 if (!rs[Rs_title])
437 rs[Rs_title] = rs[Rs_name];
438
439 if (!rs[Rs_iconName])
440 rs[Rs_iconName] = rs[Rs_name];
441 }
442
443 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
444 saveLines = min (i, MAX_SAVELINES);
445
446 #if ENABLE_FRILLS
447 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
448 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
449
450 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
451 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
452
453 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
454 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
455
456 if (rs[Rs_letterSpace])
457 letterSpace = atoi (rs[Rs_letterSpace]);
458 #endif
459
460 #ifdef POINTER_BLANK
461 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
462 pointerBlankDelay = i;
463 else
464 pointerBlankDelay = 2;
465 #endif
466
467 /* no point having a scrollbar without having any scrollback! */
468 if (!saveLines)
469 set_option (Opt_scrollBar, 0);
470
471 if (!rs[Rs_cutchars])
472 rs[Rs_cutchars] = CUTCHARS;
473
474 #ifndef NO_BACKSPACE_KEY
475 if (!rs[Rs_backspace_key])
476 # ifdef DEFAULT_BACKSPACE
477 rs[Rs_backspace_key] = DEFAULT_BACKSPACE;
478 # else
479 rs[Rs_backspace_key] = "DEC"; /* can toggle between \010 or \177 */
480 # endif
481 #endif
482
483 #ifndef NO_DELETE_KEY
484 if (!rs[Rs_delete_key])
485 # ifdef DEFAULT_DELETE
486 rs[Rs_delete_key] = DEFAULT_DELETE;
487 # else
488 rs[Rs_delete_key] = "\033[3~";
489 # endif
490 #endif
491
492 scrollBar.setup (this);
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); // a 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 if (const char *path = rs[Rs_chdir])
559 if (*path) // ignored if empty
560 {
561 if (*path != '/')
562 rxvt_fatal ("specified shell working directory must start with a slash, aborting.\n");
563
564 if (chdir (path))
565 rxvt_fatal ("unable to change into specified shell working directory, aborting.\n");
566 }
567
568 if (option (Opt_scrollBar))
569 scrollBar.state = STATE_IDLE; /* set existence for size calculations */
570
571 pty = ptytty::create ();
572
573 create_windows (argc, argv);
574
575 init_xlocale ();
576
577 scr_poweron (); // initialize screen
578
579 #if 0
580 XSynchronize (dpy, True);
581 #endif
582
583 if (option (Opt_scrollBar))
584 scrollBar.resize (); /* create and map scrollbar */
585 #ifdef HAVE_BG_PIXMAP
586 {
587 bgPixmap.set_target (this);
588 bgPixmap.invalidate ();
589
590 #ifdef ENABLE_TRANSPARENCY
591 if (option (Opt_transparent))
592 {
593 bgPixmap.set_transparent ();
594
595 #ifdef HAVE_AFTERIMAGE
596 if (rs [Rs_blurradius])
597 bgPixmap.set_blur_radius (rs [Rs_blurradius]);
598 #endif
599 if (ISSET_PIXCOLOR (Color_tint))
600 bgPixmap.set_tint (pix_colors_focused [Color_tint]);
601
602 if (rs [Rs_shade])
603 bgPixmap.set_shade (rs [Rs_shade]);
604
605 bgPixmap.set_root_pixmap ();
606 XSelectInput (dpy, display->root, PropertyChangeMask);
607 rootwin_ev.start (display, display->root);
608 }
609 #endif
610
611 #ifdef BG_IMAGE_FROM_FILE
612 if (rs[Rs_backgroundPixmap])
613 {
614 const char *p = rs[Rs_backgroundPixmap];
615
616 if ((p = strchr (p, ';')) != 0)
617 {
618 p++;
619 bgPixmap.set_geometry (p);
620 }
621 else
622 bgPixmap.set_defaultGeometry ();
623
624 if (bgPixmap.set_file (rs[Rs_backgroundPixmap]))
625 if (!bgPixmap.window_position_sensitive ())
626 update_background ();
627 }
628 #endif
629 }
630 #endif
631
632 #if ENABLE_PERL
633 rootwin_ev.start (display, display->root);
634 #endif
635
636 set_colorfgbg ();
637
638 init_command (cmd_argv);
639
640 free (cmd_argv);
641
642 if (pty->pty >= 0)
643 pty_ev.start (pty->pty, ev::READ);
644
645 HOOK_INVOKE ((this, HOOK_START, DT_END));
646
647 #if ENABLE_XEMBED
648 if (rs[Rs_embed])
649 {
650 long info[2] = { 0, XEMBED_MAPPED };
651
652 XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
653 32, PropModeReplace, (unsigned char *)&info, 2);
654 }
655 #endif
656
657 XMapWindow (dpy, vt);
658 XMapWindow (dpy, parent[0]);
659
660 refresh_check ();
661 }
662
663 /*----------------------------------------------------------------------*/
664 void
665 rxvt_term::init_env ()
666 {
667 int i;
668 char *val;
669
670 #ifdef DISPLAY_IS_IP
671 /* Fixup display_name for export over pty to any interested terminal
672 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
673 * (for the first non-loopback interface) that we get from
674 * rxvt_network_display (). This is more "name-resolution-portable", if you
675 * will, and probably allows for faster x-client startup if your name
676 * server is beyond a slow link or overloaded at client startup. Of
677 * course that only helps the shell's child processes, not us.
678 *
679 * Giving out the display_name also affords a potential security hole
680 */
681 val = rxvt_network_display (rs[Rs_display_name]);
682 rs[Rs_display_name] = (const char *)val;
683
684 if (val == NULL)
685 #endif /* DISPLAY_IS_IP */
686 val = XDisplayString (dpy);
687
688 if (rs[Rs_display_name] == NULL)
689 rs[Rs_display_name] = val; /* use broken `:0' value */
690
691 i = strlen (val);
692 env_display = (char *)rxvt_malloc (i + 9);
693
694 sprintf (env_display, "DISPLAY=%s", val);
695
696 sprintf (env_windowid, "WINDOWID=%lu", (unsigned long)parent[0]);
697
698 /* add entries to the environment:
699 * @ DISPLAY: in case we started with -display
700 * @ WINDOWID: X window id number of the window
701 * @ COLORTERM: terminal sub-name and also indicates its color
702 * @ TERM: terminal name
703 * @ TERMINFO: path to terminfo directory
704 * @ COLORFGBG: fg;bg color codes
705 */
706 putenv (env_display);
707 putenv (env_windowid);
708
709 if (env_colorfgbg)
710 putenv (env_colorfgbg);
711
712 #ifdef RXVT_TERMINFO
713 putenv ("TERMINFO=" RXVT_TERMINFO);
714 #endif
715
716 if (depth <= 2)
717 putenv ("COLORTERM=" COLORTERMENV "-mono");
718 else
719 putenv ("COLORTERM=" COLORTERMENVFULL);
720
721 if (rs[Rs_term_name] != NULL)
722 {
723 env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6);
724 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
725 putenv (env_term);
726 }
727 else
728 putenv ("TERM=" TERMENV);
729
730 #ifdef HAVE_UNSETENV
731 /* avoid passing old settings and confusing term size */
732 unsetenv ("LINES");
733 unsetenv ("COLUMNS");
734 unsetenv ("TERMCAP"); /* terminfo should be okay */
735 #endif /* HAVE_UNSETENV */
736 }
737
738 /*----------------------------------------------------------------------*/
739 /*
740 * This is more or less stolen straight from XFree86 xterm.
741 * This should support all European type languages.
742 */
743 void
744 rxvt_term::set_locale (const char *locale)
745 {
746 set_environ (envv);
747
748 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
749 free (this->locale);
750 this->locale = setlocale (LC_CTYPE, locale);
751
752 if (!this->locale)
753 {
754 if (*locale)
755 {
756 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
757 setlocale (LC_CTYPE, "C");
758 }
759 else
760 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
761
762 this->locale = "C";
763 }
764
765
766 this->locale = strdup (this->locale);
767 SET_LOCALE (this->locale);
768 mbstate.reset ();
769 #endif
770
771 #if HAVE_NL_LANGINFO
772 char *codeset = strdup (nl_langinfo (CODESET));
773 // /^UTF.?8/i
774 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
775 && (codeset[1] == 'T' || codeset[1] == 't')
776 && (codeset[2] == 'F' || codeset[2] == 'f')
777 && (codeset[3] == '8' || codeset[4] == '8');
778 free (codeset);
779 #else
780 enc_utf8 = 0;
781 #endif
782 }
783
784 void
785 rxvt_term::init_xlocale ()
786 {
787 set_environ (envv);
788
789 #ifdef USE_XIM
790 if (!locale)
791 rxvt_warn ("setting locale failed, working without locale support.\n");
792 else
793 {
794 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
795
796 if (!XSupportsLocale ())
797 {
798 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
799 return;
800 }
801
802 im_ev.start (display);
803
804 /* see if we can connect already */
805 im_cb ();
806 }
807 #endif
808 }
809
810 /*----------------------------------------------------------------------*/
811 void
812 rxvt_term::init_command (const char *const *argv)
813 {
814 /*
815 * Initialize the command connection.
816 * This should be called after the X server connection is established.
817 */
818
819 #ifdef META8_OPTION
820 meta_char = option (Opt_meta8) ? 0x80 : C0_ESC;
821 #endif
822
823 get_ourmods ();
824
825 if (!option (Opt_scrollTtyOutput))
826 priv_modes |= PrivMode_TtyOutputInh;
827 if (option (Opt_scrollTtyKeypress))
828 priv_modes |= PrivMode_Keypress;
829 if (!option (Opt_jumpScroll))
830 priv_modes |= PrivMode_smoothScroll;
831
832 #ifndef NO_BACKSPACE_KEY
833 if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
834 priv_modes |= PrivMode_HaveBackSpace;
835 #endif
836
837 /* add value for scrollBar */
838 if (scrollBar.state)
839 {
840 priv_modes |= PrivMode_scrollBar;
841 SavedModes |= PrivMode_scrollBar;
842 }
843
844 run_command (argv);
845 }
846
847 /*----------------------------------------------------------------------*/
848 void
849 rxvt_term::get_colours ()
850 {
851 int i;
852
853 #ifdef OFF_FOCUS_FADING
854 pix_colors = pix_colors_focused;
855 #endif
856
857 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
858 {
859 const char *name = rs[Rs_color + i];
860
861 if (!name)
862 continue;
863
864 rxvt_color xcol;
865
866 if (!set_color (xcol, name))
867 {
868 #ifndef XTERM_REVERSE_VIDEO
869 if (i < 2 && option (Opt_reverseVideo))
870 name = def_colorName [1 - i];
871 else
872 #endif
873 name = def_colorName [i];
874
875 if (!name)
876 continue;
877
878 if (!set_color (xcol, name))
879 {
880 switch (i)
881 {
882 case Color_fg:
883 case Color_bg:
884 rxvt_warn ("unable to get foreground/background colour, continuing.\n");
885 name = "";
886 break;
887 #ifndef NO_CURSORCOLOR
888 case Color_cursor2:
889 #endif
890 case Color_pointer_fg:
891 name = rs[Rs_color + Color_fg];
892 xcol.set (this, name);
893 break;
894 default:
895 name = rs[Rs_color + Color_bg];
896 xcol.set (this, name);
897 break;
898 }
899 }
900 }
901
902 pix_colors[i] = xcol;
903 rs[Rs_color + i] = name;
904 }
905
906 if (depth <= 2)
907 {
908 if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg);
909 if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg);
910 if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg);
911 }
912
913 /*
914 * get scrollBar shadow colors
915 *
916 * The calculations of topShadow/bottomShadow values are adapted
917 * from the fvwm window manager.
918 */
919 #ifdef RXVT_SCROLLBAR
920 if (depth <= 2)
921 {
922 /* Monochrome */
923 alias_color (Color_scroll, Color_fg);
924 alias_color (Color_topShadow, Color_bg);
925 alias_color (Color_bottomShadow, Color_bg);
926 }
927 else
928 {
929 pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]);
930
931 rgba cscroll;
932 pix_colors [Color_scroll].get (cscroll);
933
934 /* topShadowColor */
935 if (!pix_colors[Color_topShadow].set (this,
936 rgba (
937 min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5),
938 min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5),
939 min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5),
940 cscroll.a)
941 ))
942 alias_color (Color_topShadow, Color_White);
943 }
944 #endif
945
946 #ifdef OFF_FOCUS_FADING
947 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
948 update_fade_color (i);
949 #endif
950 }
951
952 /*----------------------------------------------------------------------*/
953 /* color aliases, fg/bg bright-bold */
954 void
955 rxvt_term::color_aliases (int idx)
956 {
957 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
958 {
959 int i = atoi (rs[Rs_color + idx]);
960
961 if (i >= 8 && i <= 15)
962 /* bright colors */
963 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i - 8];
964 else if (i >= 0 && i <= 7)
965 /* normal colors */
966 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
967 }
968 }
969
970 /*----------------------------------------------------------------------*/
971 /*
972 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
973 * Use resource ``modifier'' to override the Meta modifier
974 */
975 void
976 rxvt_term::get_ourmods ()
977 {
978 int i, j, k;
979 int requestedmeta, realmeta, realalt;
980 const char *cm, *rsmod;
981 XModifierKeymap *map;
982 KeyCode *kc;
983 const unsigned int modmasks[] =
984 {
985 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
986 };
987
988 requestedmeta = realmeta = realalt = 0;
989 rsmod = rs[Rs_modifier];
990
991 if (rsmod
992 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
993 requestedmeta = rsmod[3] - '0';
994
995 map = XGetModifierMapping (dpy);
996 kc = map->modifiermap;
997
998 for (i = 1; i < 6; i++)
999 {
1000 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
1001
1002 for (j = map->max_keypermod; j--; k++)
1003 {
1004 if (kc[k] == 0)
1005 break;
1006
1007 switch (XKeycodeToKeysym (dpy, kc[k], 0))
1008 {
1009 case XK_Num_Lock:
1010 ModNumLockMask = modmasks[i - 1];
1011 continue;
1012
1013 case XK_ISO_Level3_Shift:
1014 ModLevel3Mask = modmasks[i - 1];
1015 continue;
1016
1017 case XK_Meta_L:
1018 case XK_Meta_R:
1019 cm = "meta";
1020 realmeta = i;
1021 break;
1022
1023 case XK_Alt_L:
1024 case XK_Alt_R:
1025 cm = "alt";
1026 realalt = i;
1027 break;
1028
1029 case XK_Super_L:
1030 case XK_Super_R:
1031 cm = "super";
1032 break;
1033
1034 case XK_Hyper_L:
1035 case XK_Hyper_R:
1036 cm = "hyper";
1037 break;
1038
1039 default:
1040 continue;
1041 }
1042
1043 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
1044 requestedmeta = i;
1045 }
1046 }
1047
1048 XFreeModifiermap (map);
1049
1050 i = requestedmeta ? requestedmeta
1051 : realmeta ? realmeta
1052 : realalt ? realalt
1053 : 0;
1054
1055 if (i)
1056 ModMetaMask = modmasks[i - 1];
1057 }
1058
1059 /*----------------------------------------------------------------------*/
1060 /* rxvt_Create_Windows () - Open and map the window */
1061 void
1062 rxvt_term::create_windows (int argc, const char *const *argv)
1063 {
1064 XClassHint classHint;
1065 XWMHints wmHint;
1066 #if ENABLE_FRILLS
1067 MWMHints mwmhints = { };
1068 #endif
1069 XGCValues gcvalue;
1070 XSetWindowAttributes attributes;
1071 Window top, parent;
1072
1073 dLocal (Display *, dpy);
1074
1075 /* grab colors before netscape does */
1076 get_colours ();
1077
1078 if (!set_fonts ())
1079 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
1080
1081 parent = display->root;
1082
1083 attributes.override_redirect = !!option (Opt_override_redirect);
1084
1085 #if ENABLE_FRILLS
1086 if (option (Opt_borderLess))
1087 {
1088 if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None)
1089 {
1090 // rxvt_warn("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");
1091 attributes.override_redirect = true;
1092 }
1093 else
1094 {
1095 mwmhints.flags = MWM_HINTS_DECORATIONS;
1096 }
1097 }
1098 #endif
1099
1100 #if ENABLE_XEMBED
1101 if (rs[Rs_embed])
1102 {
1103 XWindowAttributes wattr;
1104
1105 parent = strtol (rs[Rs_embed], 0, 0);
1106
1107 if (!XGetWindowAttributes (dpy, parent, &wattr))
1108 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
1109
1110 window_calc (wattr.width, wattr.height);
1111 }
1112 #endif
1113
1114 window_calc (0, 0);
1115
1116 /* sub-window placement & size in rxvt_resize_subwindows () */
1117 attributes.background_pixel = pix_colors_focused [Color_border];
1118 attributes.border_pixel = pix_colors_focused [Color_border];
1119 attributes.colormap = cmap;
1120
1121 top = XCreateWindow (dpy, parent,
1122 szHint.x, szHint.y,
1123 szHint.width, szHint.height,
1124 ext_bwidth,
1125 depth, InputOutput, visual,
1126 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
1127 &attributes);
1128
1129 this->parent[0] = top;
1130
1131 old_width = szHint.width;
1132 old_height = szHint.height;
1133
1134 set_title (rs [Rs_title]);
1135 set_icon_name (rs [Rs_iconName]);
1136
1137 classHint.res_name = (char *)rs[Rs_name];
1138 classHint.res_class = (char *)RESCLASS;
1139
1140 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1141 wmHint.input = True;
1142 wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState;
1143 wmHint.window_group = top;
1144
1145 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc,
1146 &szHint, &wmHint, &classHint);
1147 #if ENABLE_EWMH
1148 # ifdef HAVE_AFTERIMAGE
1149 /*
1150 * set up icon hint
1151 * rs [Rs_iconfile] is path to icon, asv has been created in init_resources
1152 */
1153
1154 if (rs [Rs_iconfile])
1155 {
1156 init_asv ();
1157
1158 ASImage *im = file2ASImage (rs [Rs_iconfile], 0xFFFFFFFF, SCREEN_GAMMA, 0, NULL);
1159 if (asv && im)
1160 {
1161 int w = im->width;
1162 int h = im->height;
1163 long* buffer = (long *)malloc ((2 + w * h) * sizeof (long));
1164 ASImage *result = scale_asimage (asv, im,
1165 w, h, ASA_ARGB32,
1166 100, ASIMAGE_QUALITY_DEFAULT);
1167 destroy_asimage (&im);
1168
1169 if (buffer && result)
1170 {
1171 ARGB32 *asbuf = result->alt.argb32;
1172 buffer [0] = w;
1173 buffer [1] = h;
1174
1175 for (unsigned int i = 0; i < w * h; ++i)
1176 buffer [i + 2] = asbuf [i];
1177
1178 destroy_asimage (&result);
1179 XChangeProperty (dpy, top, xa[XA_NET_WM_ICON], XA_CARDINAL, 32,
1180 PropModeReplace, (const unsigned char*) buffer, 2 + w * h);
1181 free (buffer);
1182 }
1183 else
1184 {
1185 if (!buffer)
1186 rxvt_warn ("Memory allocation for icon hint failed, continuing without.\n");
1187
1188 if (!result)
1189 rxvt_warn ("Icon image transformation to ARGB failed, continuing without.\n");
1190 }
1191 }
1192 else
1193 rxvt_warn ("Loading image icon failed, continuing without.\n");
1194 }
1195 # endif
1196 #endif
1197
1198 #if ENABLE_FRILLS
1199 if (mwmhints.flags)
1200 XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
1201 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
1202 #endif
1203
1204 Atom protocols[] = {
1205 xa[XA_WM_DELETE_WINDOW],
1206 #if ENABLE_EWMH
1207 xa[XA_NET_WM_PING],
1208 #endif
1209 };
1210
1211 XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
1212
1213 #if ENABLE_FRILLS
1214 if (rs[Rs_transient_for])
1215 XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
1216 #endif
1217
1218 #if ENABLE_EWMH
1219 long pid = getpid ();
1220
1221 XChangeProperty (dpy, top,
1222 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
1223 PropModeReplace, (unsigned char *)&pid, 1);
1224
1225 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1226 #endif
1227
1228 XSelectInput (dpy, top,
1229 KeyPressMask
1230 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1231 | KeyReleaseMask
1232 #endif
1233 | FocusChangeMask | VisibilityChangeMask
1234 | ExposureMask | StructureNotifyMask);
1235
1236 termwin_ev.start (display, top);
1237
1238 /* vt cursor: Black-on-White is standard, but this is more popular */
1239 TermWin_cursor = XCreateFontCursor (dpy, XC_xterm);
1240
1241 /* the vt window */
1242 vt = XCreateSimpleWindow (dpy, top,
1243 window_vt_x, window_vt_y,
1244 width, height,
1245 0,
1246 pix_colors_focused[Color_fg],
1247 pix_colors_focused[Color_bg]);
1248
1249 attributes.bit_gravity = NorthWestGravity;
1250 XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes);
1251
1252 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1253
1254 if (option (Opt_pointerBlank))
1255 vt_emask |= PointerMotionMask;
1256 else
1257 vt_emask |= Button1MotionMask | Button3MotionMask;
1258
1259 vt_select_input ();
1260
1261 vt_ev.start (display, vt);
1262
1263 /* graphics context for the vt window */
1264 gcvalue.foreground = pix_colors[Color_fg];
1265 gcvalue.background = pix_colors[Color_bg];
1266 gcvalue.graphics_exposures = 0;
1267
1268 gc = XCreateGC (dpy, vt,
1269 GCForeground | GCBackground | GCGraphicsExposures,
1270 &gcvalue);
1271
1272 drawable = new rxvt_drawable (this, vt);
1273
1274 #ifdef OFF_FOCUS_FADING
1275 // initially we are in unfocused state
1276 if (rs[Rs_fade])
1277 pix_colors = pix_colors_unfocused;
1278 #endif
1279
1280 pointer_unblank ();
1281 scr_recolour ();
1282 }
1283
1284 /* ------------------------------------------------------------------------- *
1285 * GET TTY CURRENT STATE *
1286 * ------------------------------------------------------------------------- */
1287 void
1288 rxvt_get_ttymode (struct termios *tio, int erase)
1289 {
1290 /*
1291 * standard System V termios interface
1292 */
1293 if (tcgetattr (STDIN_FILENO, tio) < 0)
1294 {
1295 // return error - use system defaults,
1296 // where possible, and zero elsewhere
1297 memset (tio, 0, sizeof (struct termios));
1298
1299 tio->c_cc[VINTR] = CINTR;
1300 tio->c_cc[VQUIT] = CQUIT;
1301 tio->c_cc[VERASE] = CERASE;
1302 #ifdef VERASE2
1303 tio->c_cc[VERASE2] = CERASE2;
1304 #endif
1305 tio->c_cc[VKILL] = CKILL;
1306 tio->c_cc[VSTART] = CSTART;
1307 tio->c_cc[VSTOP] = CSTOP;
1308 tio->c_cc[VSUSP] = CSUSP;
1309 # ifdef VDSUSP
1310 tio->c_cc[VDSUSP] = CDSUSP;
1311 # endif
1312 # ifdef VREPRINT
1313 tio->c_cc[VREPRINT] = CRPRNT;
1314 # endif
1315 # ifdef VDISCRD
1316 tio->c_cc[VDISCRD] = CFLUSH;
1317 # endif
1318 # ifdef VWERSE
1319 tio->c_cc[VWERSE] = CWERASE;
1320 # endif
1321 # ifdef VLNEXT
1322 tio->c_cc[VLNEXT] = CLNEXT;
1323 # endif
1324 }
1325
1326 tio->c_cc[VEOF] = CEOF;
1327 tio->c_cc[VEOL] = VDISABLE;
1328 # ifdef VEOL2
1329 tio->c_cc[VEOL2] = VDISABLE;
1330 # endif
1331 # ifdef VSWTC
1332 tio->c_cc[VSWTC] = VDISABLE;
1333 # endif
1334 # ifdef VSWTCH
1335 tio->c_cc[VSWTCH] = VDISABLE;
1336 # endif
1337 # if VMIN != VEOF
1338 tio->c_cc[VMIN] = 1;
1339 # endif
1340 # if VTIME != VEOL
1341 tio->c_cc[VTIME] = 0;
1342 # endif
1343
1344 if (erase != -1)
1345 tio->c_cc[VERASE] = (char)erase;
1346
1347 /* input modes */
1348 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1349 # ifdef IMAXBEL
1350 | IMAXBEL
1351 # endif
1352 | IXON);
1353
1354 /* output modes */
1355 tio->c_oflag = (OPOST | ONLCR);
1356
1357 /* control modes */
1358 tio->c_cflag = (CS8 | CREAD);
1359
1360 /* line discipline modes */
1361 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1362 # if defined (ECHOCTL) && defined (ECHOKE)
1363 | ECHOCTL | ECHOKE
1364 # endif
1365 | ECHOE | ECHOK);
1366
1367 /*
1368 * Debugging
1369 */
1370 #ifdef DEBUG_TTYMODE
1371 /* c_iflag bits */
1372 fprintf (stderr, "Input flags\n");
1373
1374 /* cpp token stringize doesn't work on all machines <sigh> */
1375 # define FOO(flag,name) \
1376 if ((tio->c_iflag) & flag) \
1377 fprintf (stderr, "%s ", name)
1378
1379 /* c_iflag bits */
1380 FOO (IGNBRK, "IGNBRK");
1381 FOO (BRKINT, "BRKINT");
1382 FOO (IGNPAR, "IGNPAR");
1383 FOO (PARMRK, "PARMRK");
1384 FOO (INPCK, "INPCK");
1385 FOO (ISTRIP, "ISTRIP");
1386 FOO (INLCR, "INLCR");
1387 FOO (IGNCR, "IGNCR");
1388 FOO (ICRNL, "ICRNL");
1389 FOO (IXON, "IXON");
1390 FOO (IXOFF, "IXOFF");
1391 # ifdef IUCLC
1392 FOO (IUCLC, "IUCLC");
1393 # endif
1394 # ifdef IXANY
1395 FOO (IXANY, "IXANY");
1396 # endif
1397 # ifdef IMAXBEL
1398 FOO (IMAXBEL, "IMAXBEL");
1399 # endif
1400
1401 fprintf (stderr, "\n");
1402
1403 # undef FOO
1404 # define FOO(entry, name) \
1405 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1406
1407 FOO (VINTR, "VINTR");
1408 FOO (VQUIT, "VQUIT");
1409 FOO (VERASE, "VERASE");
1410 FOO (VKILL, "VKILL");
1411 FOO (VEOF, "VEOF");
1412 FOO (VEOL, "VEOL");
1413 # ifdef VEOL2
1414 FOO (VEOL2, "VEOL2");
1415 # endif
1416 # ifdef VSWTC
1417 FOO (VSWTC, "VSWTC");
1418 # endif
1419 # ifdef VSWTCH
1420 FOO (VSWTCH, "VSWTCH");
1421 # endif
1422 FOO (VSTART, "VSTART");
1423 FOO (VSTOP, "VSTOP");
1424 FOO (VSUSP, "VSUSP");
1425 # ifdef VDSUSP
1426 FOO (VDSUSP, "VDSUSP");
1427 # endif
1428 # ifdef VREPRINT
1429 FOO (VREPRINT, "VREPRINT");
1430 # endif
1431 # ifdef VDISCRD
1432 FOO (VDISCRD, "VDISCRD");
1433 # endif
1434 # ifdef VWERSE
1435 FOO (VWERSE, "VWERSE");
1436 # endif
1437 # ifdef VLNEXT
1438 FOO (VLNEXT, "VLNEXT");
1439 # endif
1440
1441 fprintf (stderr, "\n");
1442 # undef FOO
1443 #endif /* DEBUG_TTYMODE */
1444 }
1445
1446 /*----------------------------------------------------------------------*/
1447 /*
1448 * Run the command in a subprocess and return a file descriptor for the
1449 * master end of the pseudo-teletype pair with the command talking to
1450 * the slave.
1451 */
1452 void
1453 rxvt_term::run_command (const char *const *argv)
1454 {
1455 #if ENABLE_FRILLS
1456 if (rs[Rs_pty_fd])
1457 {
1458 pty->pty = atoi (rs[Rs_pty_fd]);
1459
1460 if (pty->pty >= 0)
1461 {
1462 if (getfd_hook)
1463 pty->pty = (*getfd_hook) (pty->pty);
1464
1465 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1466 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1467 }
1468 }
1469 else
1470 #endif
1471 if (!pty->get ())
1472 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1473
1474 int er;
1475
1476 #ifndef NO_BACKSPACE_KEY
1477 if (rs[Rs_backspace_key][0] && !rs[Rs_backspace_key][1])
1478 er = rs[Rs_backspace_key][0];
1479 else if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
1480 er = '\177'; /* the initial state anyway */
1481 else
1482 #endif
1483 er = -1;
1484
1485 rxvt_get_ttymode (&tio, er);
1486 /* init terminal attributes */
1487 cfsetospeed (&tio, BAUDRATE);
1488 cfsetispeed (&tio, BAUDRATE);
1489 tcsetattr (pty->tty, TCSANOW, &tio);
1490 pty->set_utf8_mode (enc_utf8);
1491
1492 /* set initial window size */
1493 tt_winch ();
1494
1495 #if ENABLE_FRILLS
1496 if (rs[Rs_pty_fd])
1497 return;
1498 #endif
1499
1500 /* spin off the command interpreter */
1501 switch (cmd_pid = fork ())
1502 {
1503 case -1:
1504 {
1505 cmd_pid = 0;
1506 rxvt_fatal ("can't fork, aborting.\n");
1507 }
1508 case 0:
1509 init_env ();
1510
1511 if (!pty->make_controlling_tty ())
1512 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1513 else
1514 {
1515 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1516 dup2 (pty->tty, STDIN_FILENO);
1517 dup2 (pty->tty, STDOUT_FILENO);
1518 dup2 (pty->tty, STDERR_FILENO);
1519
1520 // close all our file handles that we do no longer need
1521 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1522 {
1523 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1524 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1525 }
1526
1527 run_child (argv);
1528 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1529 }
1530
1531 _exit (EXIT_FAILURE);
1532
1533 default:
1534 if (!option (Opt_utmpInhibit))
1535 pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]);
1536
1537 pty->close_tty ();
1538
1539 child_ev.start (cmd_pid);
1540
1541 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1542 break;
1543 }
1544 }
1545
1546 /* ------------------------------------------------------------------------- *
1547 * CHILD PROCESS OPERATIONS *
1548 * ------------------------------------------------------------------------- */
1549 /*
1550 * The only open file descriptor is the slave tty - so no error messages.
1551 * returns are fatal
1552 */
1553 int
1554 rxvt_term::run_child (const char *const *argv)
1555 {
1556 char *login;
1557
1558 if (option (Opt_console))
1559 {
1560 /* be virtual console, fail silently */
1561 #ifdef TIOCCONS
1562 unsigned int on = 1;
1563
1564 ioctl (STDIN_FILENO, TIOCCONS, &on);
1565 #elif defined (SRIOCSREDIR)
1566 int fd;
1567
1568 fd = open (CONSOLE, O_WRONLY, 0);
1569 if (fd >= 0)
1570 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1571 close (fd);
1572 #endif /* SRIOCSREDIR */
1573 }
1574
1575 /* reset signals and spin off the command interpreter */
1576 signal (SIGINT, SIG_DFL);
1577 signal (SIGQUIT, SIG_DFL);
1578 signal (SIGCHLD, SIG_DFL);
1579 signal (SIGHUP, SIG_DFL);
1580 signal (SIGPIPE, SIG_DFL);
1581 /*
1582 * mimick login's behavior by disabling the job control signals
1583 * a shell that wants them can turn them back on
1584 */
1585 #ifdef SIGTSTP
1586 signal (SIGTSTP, SIG_IGN);
1587 signal (SIGTTIN, SIG_IGN);
1588 signal (SIGTTOU, SIG_IGN);
1589 #endif /* SIGTSTP */
1590
1591 /* command interpreter path */
1592 if (argv)
1593 {
1594 # ifdef DEBUG_CMD
1595 int i;
1596
1597 for (i = 0; argv[i]; i++)
1598 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1599 # endif
1600
1601 execvp (argv[0], (char *const *)argv);
1602 /* no error message: STDERR is closed! */
1603 }
1604 else
1605 {
1606 const char *argv0, *shell;
1607
1608 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1609 shell = "/bin/sh";
1610
1611 argv0 = rxvt_basename (shell);
1612
1613 if (option (Opt_loginShell))
1614 {
1615 login = (char *)rxvt_malloc (strlen (argv0) + 2);
1616
1617 login[0] = '-';
1618 strcpy (&login[1], argv0);
1619 argv0 = login;
1620 }
1621
1622 execlp (shell, argv0, (char *)0);
1623 /* no error message: STDERR is closed! */
1624 }
1625
1626 return -1;
1627 }
1628
1629 /*----------------------- end-of-file (C source) -----------------------*/