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Revision: 1.96
Committed: Sat Dec 11 23:01:36 2004 UTC (19 years, 5 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-4_4
Changes since 1.94: +17 -22 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: init.C
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7 * - original version
8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
9 * - extensive modifications
10 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
11 * - extensive modifications
12 * Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com>
13 * - QNX support
14 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
15 *
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2 of the License, or
19 * (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 *---------------------------------------------------------------------*/
30 /*
31 * Initialisation routines.
32 */
33
34 #include "../config.h" /* NECESSARY */
35 #include "rxvt.h" /* NECESSARY */
36 #include "init.h"
37
38 #include <signal.h>
39
40 const char *const def_colorName[] =
41 {
42 COLOR_FOREGROUND,
43 COLOR_BACKGROUND,
44 /* low-intensity colors */
45 "Black", /* 0: black (#000000) */
46 #ifndef NO_BRIGHTCOLOR
47 "Red3", /* 1: red (#CD0000) */
48 "Green3", /* 2: green (#00CD00) */
49 "Yellow3", /* 3: yellow (#CDCD00) */
50 "Blue3", /* 4: blue (#0000CD) */
51 "Magenta3", /* 5: magenta (#CD00CD) */
52 "Cyan3", /* 6: cyan (#00CDCD) */
53 # ifdef XTERM_COLORS
54 "Grey90", /* 7: white (#E5E5E5) */
55 # else
56 "AntiqueWhite", /* 7: white (#FAEBD7) */
57 # endif
58 /* high-intensity colors */
59 # ifdef XTERM_COLORS
60 "Grey30", /* 8: bright black (#4D4D4D) */
61 # else
62 "Grey25", /* 8: bright black (#404040) */
63 # endif
64 #endif /* NO_BRIGHTCOLOR */
65 "Red", /* 1/9: bright red (#FF0000) */
66 "Green", /* 2/10: bright green (#00FF00) */
67 "Yellow", /* 3/11: bright yellow (#FFFF00) */
68 "Blue", /* 4/12: bright blue (#0000FF) */
69 "Magenta", /* 5/13: bright magenta (#FF00FF) */
70 "Cyan", /* 6/14: bright cyan (#00FFFF) */
71 "White", /* 7/15: bright white (#FFFFFF) */
72
73 // 88 xterm colours
74 "rgb:00/00/00",
75 "rgb:00/00/8b",
76 "rgb:00/00/cd",
77 "rgb:00/00/ff",
78 "rgb:00/8b/00",
79 "rgb:00/8b/8b",
80 "rgb:00/8b/cd",
81 "rgb:00/8b/ff",
82 "rgb:00/cd/00",
83 "rgb:00/cd/8b",
84 "rgb:00/cd/cd",
85 "rgb:00/cd/ff",
86 "rgb:00/ff/00",
87 "rgb:00/ff/8b",
88 "rgb:00/ff/cd",
89 "rgb:00/ff/ff",
90 "rgb:8b/00/00",
91 "rgb:8b/00/8b",
92 "rgb:8b/00/cd",
93 "rgb:8b/00/ff",
94 "rgb:8b/8b/00",
95 "rgb:8b/8b/8b",
96 "rgb:8b/8b/cd",
97 "rgb:8b/8b/ff",
98 "rgb:8b/cd/00",
99 "rgb:8b/cd/8b",
100 "rgb:8b/cd/cd",
101 "rgb:8b/cd/ff",
102 "rgb:8b/ff/00",
103 "rgb:8b/ff/8b",
104 "rgb:8b/ff/cd",
105 "rgb:8b/ff/ff",
106 "rgb:cd/00/00",
107 "rgb:cd/00/8b",
108 "rgb:cd/00/cd",
109 "rgb:cd/00/ff",
110 "rgb:cd/8b/00",
111 "rgb:cd/8b/8b",
112 "rgb:cd/8b/cd",
113 "rgb:cd/8b/ff",
114 "rgb:cd/cd/00",
115 "rgb:cd/cd/8b",
116 "rgb:cd/cd/cd",
117 "rgb:cd/cd/ff",
118 "rgb:cd/ff/00",
119 "rgb:cd/ff/8b",
120 "rgb:cd/ff/cd",
121 "rgb:cd/ff/ff",
122 "rgb:ff/00/00",
123 "rgb:ff/00/8b",
124 "rgb:ff/00/cd",
125 "rgb:ff/00/ff",
126 "rgb:ff/8b/00",
127 "rgb:ff/8b/8b",
128 "rgb:ff/8b/cd",
129 "rgb:ff/8b/ff",
130 "rgb:ff/cd/00",
131 "rgb:ff/cd/8b",
132 "rgb:ff/cd/cd",
133 "rgb:ff/cd/ff",
134 "rgb:ff/ff/00",
135 "rgb:ff/ff/8b",
136 "rgb:ff/ff/cd",
137 "rgb:ff/ff/ff",
138 "rgb:2e/2e/2e",
139 "rgb:5c/5c/5c",
140 "rgb:73/73/73",
141 "rgb:8b/8b/8b",
142 "rgb:a2/a2/a2",
143 "rgb:b9/b9/b9",
144 "rgb:d0/d0/d0",
145 "rgb:e7/e7/e7",
146
147 #ifndef NO_CURSORCOLOR
148 COLOR_CURSOR_BACKGROUND,
149 COLOR_CURSOR_FOREGROUND,
150 #endif /* ! NO_CURSORCOLOR */
151 NULL, /* Color_pointer_fg */
152 NULL, /* Color_pointer_bg */
153 NULL, /* Color_border */
154 #ifndef NO_BOLD_UNDERLINE_REVERSE
155 NULL, /* Color_BD */
156 NULL, /* Color_IT */
157 NULL, /* Color_UL */
158 NULL, /* Color_RV */
159 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
160 #ifdef OPTION_HC
161 NULL,
162 #endif
163 #ifdef KEEP_SCROLLCOLOR
164 COLOR_SCROLLBAR,
165 COLOR_SCROLLTROUGH,
166 #endif /* KEEP_SCROLLCOLOR */
167 #if TINTING
168 NULL,
169 #endif
170 };
171
172 const char *const xa_names[NUM_XA] =
173 {
174 "TEXT",
175 "COMPOUND_TEXT",
176 "UTF8_STRING",
177 "MULTIPLE",
178 "TARGETS",
179 "TIMESTAMP",
180 "VT_SELECTION",
181 "INCR",
182 "WM_DELETE_WINDOW",
183 #ifdef TRANSPARENT
184 "_XROOTPMAP_ID",
185 #endif
186 #ifdef OFFIX_DND
187 "DndProtocol",
188 "DndSelection",
189 #endif
190 "CLIPBOARD"
191 };
192
193 bool
194 rxvt_term::init_vars ()
195 {
196 sw_term.start (SIGTERM);
197
198 pix_colors_focused = new rxvt_color [TOTAL_COLORS];
199 #ifdef OFF_FOCUS_FADING
200 pix_colors_unfocused = new rxvt_color [TOTAL_COLORS];
201 #endif
202 pix_colors = pix_colors_focused;
203
204 if (pix_colors == NULL)
205 return false;
206
207 #if defined(XPM_BACKGROUND) || defined(TRANSPARENT)
208 TermWin.pixmap = None;
209 #endif
210
211 MEvent.time = CurrentTime;
212 MEvent.button = AnyButton;
213 options = DEFAULT_OPTIONS;
214 want_refresh = 1;
215 cmd_pid = -1;
216 pty.pty = pty.tty = -1;
217 priv_modes = SavedModes = PrivMode_Default;
218 TermWin.focus = 0;
219 TermWin.ncol = 80;
220 TermWin.nrow = 24;
221 TermWin.int_bwidth = INTERNALBORDERWIDTH;
222 TermWin.ext_bwidth = EXTERNALBORDERWIDTH;
223 TermWin.lineSpace = LINESPACE;
224 TermWin.saveLines = SAVELINES;
225 numpix_colors = TOTAL_COLORS;
226
227 refresh_limit = 1;
228 refresh_type = SLOW_REFRESH;
229 prev_nrow = prev_ncol = 0;
230
231 oldcursor.row = oldcursor.col = -1;
232 #ifdef XPM_BACKGROUND
233 /* bgPixmap.w = bgPixmap.h = 0; */
234 bgPixmap.x = bgPixmap.y = 50;
235 bgPixmap.pixmap = None;
236 #endif
237
238 last_bot = last_state = -1;
239
240 #ifdef MENUBAR
241 menu_readonly = 1;
242 # if ! (MENUBAR_MAX > 1)
243 CurrentBar = & (BarList);
244 # endif /* (MENUBAR_MAX > 1) */
245 #endif
246
247 return true;
248 }
249
250 void
251 rxvt_term::init_secondary ()
252 {
253 int i;
254
255 /*
256 * Close all unused file descriptors
257 * We don't want them, we don't need them.
258 */
259 if ((i = open ("/dev/null", O_RDONLY)) < 0)
260 {
261 /* TODO: BOO HISS */
262 dup2 (STDERR_FILENO, STDIN_FILENO);
263 }
264 else if (i > STDIN_FILENO)
265 {
266 dup2 (i, STDIN_FILENO);
267 close (i);
268 }
269
270 dup2 (STDERR_FILENO, STDOUT_FILENO);
271
272 #if 0 // schmorp sayz closing filies is murder
273 for (i = STDERR_FILENO + 1; i < num_fds; i++)
274 {
275 #ifdef __sgi /* Alex Coventry says we need 4 & 7 too */
276 if (i == 4 || i == 7)
277 continue;
278 #endif
279 close (i);
280 }
281 #endif
282 }
283
284 /*----------------------------------------------------------------------*/
285 const char **
286 rxvt_term::init_resources (int argc, const char *const *argv)
287 {
288 int i, r_argc;
289 char *val;
290 const char **cmd_argv, **r_argv;
291
292 /*
293 * Look for -exec option. Find => split and make cmd_argv[] of command args
294 */
295 for (r_argc = 0; r_argc < argc; r_argc++)
296 if (!strcmp (argv[r_argc], "-e") || !strcmp (argv[r_argc], "-exec"))
297 break;
298
299 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
300
301 for (i = 0; i < r_argc; i++)
302 r_argv[i] = (const char *)argv[i];
303
304 r_argv[i] = NULL;
305
306 if (r_argc == argc)
307 cmd_argv = NULL;
308 else
309 {
310 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
311
312 for (i = 0; i < argc - r_argc - 1; i++)
313 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
314
315 cmd_argv[i] = NULL;
316 }
317
318 rs[Rs_name] = rxvt_r_basename (argv[0]);
319
320 /*
321 * Open display, get options/resources and create the window
322 */
323 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
324 rs[Rs_display_name] = ":0";
325
326 get_options (r_argc, r_argv);
327 free (r_argv);
328
329 #ifdef LOCAL_X_IS_UNIX
330 if (rs[Rs_display_name][0] == ':')
331 {
332 val = rxvt_malloc (5 + strlen (rs[Rs_display_name]));
333 strcpy (val, "unix");
334 strcat (val, rs[Rs_display_name]);
335 display = displays.get (val);
336 free (val);
337 }
338 #endif
339
340 if (!display
341 && ! (display = displays.get (rs[Rs_display_name])))
342 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
343
344 extract_resources (display->display, rs[Rs_name]);
345
346 /*
347 * set any defaults not already set
348 */
349 if (cmd_argv && cmd_argv[0])
350 {
351 if (!rs[Rs_title])
352 rs[Rs_title] = rxvt_r_basename (cmd_argv[0]);
353 if (!rs[Rs_iconName])
354 rs[Rs_iconName] = rs[Rs_title];
355 }
356 else
357 {
358 if (!rs[Rs_title])
359 rs[Rs_title] = rs[Rs_name];
360 if (!rs[Rs_iconName])
361 rs[Rs_iconName] = rs[Rs_name];
362 }
363
364 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
365 TermWin.saveLines = BOUND_POSITIVE_INT16 (i);
366
367 #if ENABLE_FRILLS
368 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
369 TermWin.int_bwidth = min (i, 100); /* arbitrary limit */
370 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
371 TermWin.ext_bwidth = min (i, 100); /* arbitrary limit */
372 #endif
373
374 #ifndef NO_LINESPACE
375 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
376 TermWin.lineSpace = min (i, 100); /* arbitrary limit */
377 #endif
378
379 #ifdef POINTER_BLANK
380 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
381 pointerBlankDelay = i;
382 else
383 pointerBlankDelay = 2;
384 #endif
385
386 /* no point having a scrollbar without having any scrollback! */
387 if (!TermWin.saveLines)
388 options &= ~Opt_scrollBar;
389
390 #ifdef PRINTPIPE
391 if (!rs[Rs_print_pipe])
392 rs[Rs_print_pipe] = PRINTPIPE;
393 #endif
394
395 if (!rs[Rs_cutchars])
396 rs[Rs_cutchars] = CUTCHARS;
397
398 #ifndef NO_BACKSPACE_KEY
399 if (!rs[Rs_backspace_key])
400 # ifdef DEFAULT_BACKSPACE
401 key_backspace = DEFAULT_BACKSPACE;
402 # else
403 key_backspace = "DEC"; /* can toggle between \010 or \177 */
404 # endif
405 else
406 {
407 val = strdup (rs[Rs_backspace_key]);
408 rxvt_Str_trim (val);
409 rxvt_Str_escaped (val);
410 key_backspace = val;
411 }
412 #endif
413
414 #ifndef NO_DELETE_KEY
415 if (!rs[Rs_delete_key])
416 # ifdef DEFAULT_DELETE
417 key_delete = DEFAULT_DELETE;
418 # else
419 key_delete = "\033[3~";
420 # endif
421 else
422 {
423 val = strdup (rs[Rs_delete_key]);
424 rxvt_Str_trim (val);
425 rxvt_Str_escaped (val);
426 key_delete = val;
427 }
428 #endif
429 if (rs[Rs_answerbackstring])
430 {
431 rxvt_Str_trim ((char *)rs[Rs_answerbackstring]);
432 rxvt_Str_escaped ((char *)rs[Rs_answerbackstring]);
433 }
434
435 #ifdef HAVE_SCROLLBARS
436 setup_scrollbar (rs[Rs_scrollBar_align], rs[Rs_scrollstyle], rs[Rs_scrollBar_thickness]);
437 #endif
438
439 #ifdef XTERM_REVERSE_VIDEO
440 /* this is how xterm implements reverseVideo */
441 if (options & Opt_reverseVideo)
442 {
443 if (!rs[Rs_color + Color_fg])
444 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
445 if (!rs[Rs_color + Color_bg])
446 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
447 }
448 #endif
449
450 for (i = 0; i < NRS_COLORS; i++)
451 if (!rs[Rs_color + i])
452 rs[Rs_color + i] = def_colorName[i];
453
454 #ifndef XTERM_REVERSE_VIDEO
455 /* this is how we implement reverseVideo */
456 if (options & Opt_reverseVideo)
457 SWAP_IT (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg], const char *);
458 #endif
459
460 /* convenient aliases for setting fg/bg to colors */
461 color_aliases (Color_fg);
462 color_aliases (Color_bg);
463 #ifndef NO_CURSORCOLOR
464 color_aliases (Color_cursor);
465 color_aliases (Color_cursor2);
466 #endif /* NO_CURSORCOLOR */
467 color_aliases (Color_pointer_fg);
468 color_aliases (Color_pointer_bg);
469 color_aliases (Color_border);
470 #ifndef NO_BOLD_UNDERLINE_REVERSE
471 color_aliases (Color_BD);
472 color_aliases (Color_UL);
473 color_aliases (Color_RV);
474 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
475
476 if (!rs[Rs_color + Color_border])
477 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
478
479 return cmd_argv;
480 }
481
482 /*----------------------------------------------------------------------*/
483 void
484 rxvt_term::init_env ()
485 {
486 int i;
487 unsigned int u;
488 char *val;
489
490 #ifdef DISPLAY_IS_IP
491 /* Fixup display_name for export over pty to any interested terminal
492 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
493 * (for the first non-loopback interface) that we get from
494 * rxvt_network_display (). This is more "name-resolution-portable", if you
495 * will, and probably allows for faster x-client startup if your name
496 * server is beyond a slow link or overloaded at client startup. Of
497 * course that only helps the shell's child processes, not us.
498 *
499 * Giving out the display_name also affords a potential security hole
500 */
501 val = rxvt_network_display (rs[Rs_display_name]);
502 rs[Rs_display_name] = (const char *)val;
503
504 if (val == NULL)
505 #endif /* DISPLAY_IS_IP */
506 val = XDisplayString (display->display);
507
508 if (rs[Rs_display_name] == NULL)
509 rs[Rs_display_name] = val; /* use broken `:0' value */
510
511 i = strlen (val);
512 env_display = (char *)rxvt_malloc ((i + 9) * sizeof (char));
513
514 sprintf (env_display, "DISPLAY=%s", val);
515
516 /* avoiding the math library:
517 * i = (int) (ceil (log10 ((unsigned int)TermWin.parent[0]))) */
518 for (i = 0, u = (unsigned int)TermWin.parent[0]; u; u /= 10, i++)
519 ;
520 MAX_IT (i, 1);
521 env_windowid = (char *)rxvt_malloc ((i + 10) * sizeof (char));
522
523 sprintf (env_windowid, "WINDOWID=%u",
524 (unsigned int)TermWin.parent[0]);
525
526 /* add entries to the environment:
527 * @ DISPLAY: in case we started with -display
528 * @ WINDOWID: X window id number of the window
529 * @ COLORTERM: terminal sub-name and also indicates its color
530 * @ TERM: terminal name
531 * @ TERMINFO: path to terminfo directory
532 * @ COLORFGBG: fg;bg color codes
533 */
534 putenv (env_display);
535 putenv (env_windowid);
536 if (env_colorfgbg)
537 putenv (env_colorfgbg);
538
539 #ifdef RXVT_TERMINFO
540 putenv ("TERMINFO=" RXVT_TERMINFO);
541 #endif
542
543 if (display->depth <= 2)
544 putenv ("COLORTERM=" COLORTERMENV "-mono");
545 else
546 putenv ("COLORTERM=" COLORTERMENVFULL);
547
548 if (rs[Rs_term_name] != NULL)
549 {
550 env_term = (char *)rxvt_malloc ((strlen (rs[Rs_term_name]) + 6) * sizeof (char));
551 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
552 putenv (env_term);
553 }
554 else
555 putenv ("TERM=" TERMENV);
556
557 #ifdef HAVE_UNSETENV
558 /* avoid passing old settings and confusing term size */
559 unsetenv ("LINES");
560 unsetenv ("COLUMNS");
561 unsetenv ("TERMCAP"); /* terminfo should be okay */
562 #endif /* HAVE_UNSETENV */
563 }
564
565 /*----------------------------------------------------------------------*/
566 /*
567 * This is more or less stolen straight from XFree86 xterm.
568 * This should support all European type languages.
569 */
570 void
571 rxvt_term::set_locale (const char *locale)
572 {
573 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
574 free (this->locale);
575 this->locale = setlocale (LC_CTYPE, locale);
576
577 if (!this->locale)
578 {
579 if (*locale)
580 {
581 rxvt_warn ("unable to set locale \"%s\", using default locale instead.\n", locale);
582 setlocale (LC_CTYPE, "");
583 }
584 else
585 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
586
587 this->locale = "";
588 }
589
590
591 this->locale = rxvt_strdup (this->locale);
592 SET_LOCALE (this->locale);
593 mbstate.reset ();
594 #endif
595
596 #if 0
597 #if HAVE_NL_LANGINFO
598 char *codeset = strdup (nl_langinfo (CODESET));
599 enc_utf8 = !strcasecmp (codeset, "UTF-8")
600 || !strcasecmp (codeset, "UTF8");
601 free (codeset);
602 #else
603 enc_utf8 = 0;
604 #endif
605 #endif
606 }
607
608 void
609 rxvt_term::init_xlocale ()
610 {
611 #ifdef USE_XIM
612 if (!locale)
613 rxvt_warn ("setting locale failed, working without locale support.\n");
614 else
615 {
616 set_string_property (display->atom ("WM_LOCALE_NAME"), locale);
617
618 if (!XSupportsLocale ())
619 {
620 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
621 return;
622 }
623
624 im_ev.start (display);
625
626 /* see if we can connect already */
627 im_cb ();
628 }
629 #endif
630 }
631
632 /*----------------------------------------------------------------------*/
633 void
634 rxvt_term::init_command (const char *const *argv)
635 {
636 /*
637 * Initialize the command connection.
638 * This should be called after the X server connection is established.
639 */
640
641 #ifdef META8_OPTION
642 meta_char = (options & Opt_meta8 ? 0x80 : C0_ESC);
643 #endif
644
645 get_ourmods ();
646
647 if (!(options & Opt_scrollTtyOutput))
648 priv_modes |= PrivMode_TtyOutputInh;
649 if (options & Opt_scrollTtyKeypress)
650 priv_modes |= PrivMode_Keypress;
651 if (!(options & Opt_jumpScroll))
652 priv_modes |= PrivMode_smoothScroll;
653
654 #ifndef NO_BACKSPACE_KEY
655 if (strcmp (key_backspace, "DEC") == 0)
656 priv_modes |= PrivMode_HaveBackSpace;
657 #endif
658
659 /* add value for scrollBar */
660 if (scrollbar_visible ())
661 {
662 priv_modes |= PrivMode_scrollBar;
663 SavedModes |= PrivMode_scrollBar;
664 }
665 if (menubar_visible ())
666 {
667 priv_modes |= PrivMode_menuBar;
668 SavedModes |= PrivMode_menuBar;
669 }
670
671 #ifdef CURSOR_BLINK
672 if (options & Opt_cursorBlink)
673 (void)gettimeofday (&lastcursorchange, NULL);
674 #endif
675
676 run_command (argv);
677 }
678
679 /*----------------------------------------------------------------------*/
680 void
681 rxvt_term::Get_Colours ()
682 {
683 int i;
684
685 #ifdef OFF_FOCUS_FADING
686 pix_colors = pix_colors_focused;
687 #endif
688
689 for (i = 0; i < (display->depth <= 2 ? 2 : NRS_COLORS); i++)
690 {
691 rxvt_color xcol;
692
693 if (!rs[Rs_color + i])
694 continue;
695
696 if (!rXParseAllocColor (&xcol, rs[Rs_color + i]))
697 {
698 #ifndef XTERM_REVERSE_VIDEO
699 if (i < 2 && (options & Opt_reverseVideo))
700 rs[Rs_color + i] = def_colorName[!i];
701 else
702 #endif
703 rs[Rs_color + i] = def_colorName[i];
704
705 if (!rs[Rs_color + i])
706 continue;
707
708 if (!rXParseAllocColor (&xcol, rs[Rs_color + i]))
709 {
710 switch (i)
711 {
712 case Color_fg:
713 case Color_bg:
714 /* fatal: need bg/fg color */
715 rxvt_fatal ("unable to get foreground/background colour, aborting.\n");
716 /* NOTREACHED */
717 break;
718 #ifndef NO_CURSORCOLOR
719 case Color_cursor2:
720 xcol = pix_colors[Color_fg];
721 break;
722 #endif /* ! NO_CURSORCOLOR */
723 case Color_pointer_fg:
724 xcol = pix_colors[Color_fg];
725 break;
726 default:
727 xcol = pix_colors[Color_bg]; /* None */
728 break;
729 }
730 }
731 }
732
733 pix_colors[i] = xcol;
734 #ifdef OFF_FOCUS_FADING
735 if (rs[Rs_fade])
736 pix_colors_unfocused[i] = xcol.fade (display, atoi (rs[Rs_fade]));
737 #endif
738 SET_PIXCOLOR (i);
739 }
740
741 if (display->depth <= 2)
742 {
743 if (!rs[Rs_color + Color_pointer_fg]) pix_colors[Color_pointer_fg] = pix_colors[Color_fg];
744 if (!rs[Rs_color + Color_pointer_bg]) pix_colors[Color_pointer_bg] = pix_colors[Color_bg];
745 if (!rs[Rs_color + Color_border] ) pix_colors[Color_border] = pix_colors[Color_fg];
746 }
747
748 /*
749 * get scrollBar/menuBar shadow colors
750 *
751 * The calculations of topShadow/bottomShadow values are adapted
752 * from the fvwm window manager.
753 */
754 #ifdef KEEP_SCROLLCOLOR
755
756 if (display->depth <= 2)
757 { /* Monochrome */
758 pix_colors[Color_scroll] = pix_colors[Color_fg];
759 pix_colors[Color_topShadow] = pix_colors[Color_bg];
760 pix_colors[Color_bottomShadow] = pix_colors[Color_bg];
761 }
762 else
763 {
764 rxvt_color xcol[2];
765 /* xcol[0] == white
766 * xcol[1] == top shadow
767 * xcol[2] == bot shadow */
768
769 xcol[1] = pix_colors[Color_scroll];
770 xcol[0].set (display, 65535, 65535, 65535);
771
772 unsigned short pr1, pg1, pb1, pr0, pg0, pb0;
773
774 xcol[0].get (display, pr0, pg0, pb0);
775 xcol[1].get (display, pr1, pg1, pb1);
776
777 pix_colors[Color_bottomShadow] = xcol[1].fade (display, 50);
778
779 /* topShadowColor */
780 if (!xcol[1].set (display,
781 min (pr0, max (pr0 / 5, pr1) * 7 / 5),
782 min (pg0, max (pg0 / 5, pg1) * 7 / 5),
783 min (pb0, max (pb0 / 5, pb1) * 7 / 5)))
784 xcol[1] = pix_colors[Color_White];
785
786 pix_colors[Color_topShadow] = xcol[1];
787 }
788 #endif /* KEEP_SCROLLCOLOR */
789 }
790
791 /*----------------------------------------------------------------------*/
792 /* color aliases, fg/bg bright-bold */
793 void
794 rxvt_term::color_aliases (int idx)
795 {
796 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
797 {
798 int i = atoi (rs[Rs_color + idx]);
799
800 if (i >= 8 && i <= 15)
801 { /* bright colors */
802 i -= 8;
803 #ifndef NO_BRIGHTCOLOR
804 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i];
805 return;
806 #endif
807 }
808
809 if (i >= 0 && i <= 7) /* normal colors */
810 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
811 }
812 }
813
814 /*----------------------------------------------------------------------*/
815 /*
816 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
817 * Use resource ``modifier'' to override the Meta modifier
818 */
819 void
820 rxvt_term::get_ourmods ()
821 {
822 int i, j, k;
823 int requestedmeta, realmeta, realalt;
824 const char *cm, *rsmod;
825 XModifierKeymap *map;
826 KeyCode *kc;
827 const unsigned int modmasks[] =
828 {
829 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
830 };
831
832 requestedmeta = realmeta = realalt = 0;
833 rsmod = rs[Rs_modifier];
834 if (rsmod
835 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
836 requestedmeta = rsmod[3] - '0';
837
838 map = XGetModifierMapping (display->display);
839 kc = map->modifiermap;
840 for (i = 1; i < 6; i++)
841 {
842 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
843 for (j = map->max_keypermod; j--; k++)
844 {
845 if (kc[k] == 0)
846 break;
847 switch (XKeycodeToKeysym (display->display, kc[k], 0))
848 {
849 case XK_Num_Lock:
850 ModNumLockMask = modmasks[i - 1];
851 /* FALLTHROUGH */
852 default:
853 continue; /* for (;;) */
854 case XK_Meta_L:
855 case XK_Meta_R:
856 cm = "meta";
857 realmeta = i;
858 break;
859 case XK_Alt_L:
860 case XK_Alt_R:
861 cm = "alt";
862 realalt = i;
863 break;
864 case XK_Super_L:
865 case XK_Super_R:
866 cm = "super";
867 break;
868 case XK_Hyper_L:
869 case XK_Hyper_R:
870 cm = "hyper";
871 break;
872 }
873 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
874 requestedmeta = i;
875 }
876 }
877 XFreeModifiermap (map);
878 i = (requestedmeta ? requestedmeta
879 : (realmeta ? realmeta
880 : (realalt ? realalt : 0)));
881 if (i)
882 ModMetaMask = modmasks[i - 1];
883 }
884
885 /*----------------------------------------------------------------------*/
886 /* rxvt_Create_Windows () - Open and map the window */
887 void
888 rxvt_term::create_windows (int argc, const char *const *argv)
889 {
890 XClassHint classHint;
891 XWMHints wmHint;
892 #if ENABLE_FRILLS
893 Atom prop = None;
894 MWMHints mwmhints;
895 #endif
896 XGCValues gcvalue;
897 long vt_emask;
898 XSetWindowAttributes attributes;
899 XWindowAttributes gattr;
900
901 for (int i = 0; i < NUM_XA; i++)
902 xa[i] = XInternAtom (display->display, xa_names[i], False);
903
904 #ifdef USING_W11LIB
905 /* enable W11 callbacks */
906 W11AddEventHandler (display->display, rxvt_W11_process_x_event);
907 #endif
908
909 if (options & Opt_transparent)
910 {
911 XGetWindowAttributes (display->display, RootWindow (display->display, display->screen), &gattr);
912 display->depth = gattr.depth; // doh //TODO, per-term not per-display?
913 }
914
915 #if ENABLE_FRILLS
916 if (options & Opt_borderLess)
917 {
918 prop = XInternAtom(display->display, "_MOTIF_WM_INFO", True);
919
920 if (prop == None)
921 {
922 /* print_warning("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");*/
923 #ifdef PREFER_24BIT
924 attributes.override_redirect = TRUE;
925 #endif
926 mwmhints.flags = 0;
927 }
928 else
929 {
930 mwmhints.flags = MWM_HINTS_DECORATIONS;
931 mwmhints.decorations = 0;
932 }
933 }
934 else
935 {
936 mwmhints.flags = 0;
937 }
938 #endif
939
940 /* grab colors before netscape does */
941 Get_Colours ();
942
943 if (!set_fonts ())
944 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
945
946 window_calc (0, 0);
947 old_width = szHint.width;
948 old_height = szHint.height;
949
950 /* sub-window placement & size in rxvt_resize_subwindows () */
951
952 #ifdef PREFER_24BIT
953 attributes.background_pixel = pix_colors_focused[Color_border];
954 attributes.border_pixel = pix_colors_focused[Color_border];
955 attributes.colormap = display->cmap;
956 TermWin.parent[0] = XCreateWindow (display->display, DefaultRootWindow (display->display),
957 szHint.x, szHint.y,
958 szHint.width, szHint.height,
959 TermWin.ext_bwidth,
960 display->depth, InputOutput,
961 display->visual,
962 CWColormap | CWBackPixel | CWBorderPixel, &attributes);
963 #else
964 TermWin.parent[0] = XCreateSimpleWindow (display->display, DefaultRootWindow (display->display),
965 szHint.x, szHint.y,
966 szHint.width, szHint.height,
967 TermWin.ext_bwidth,
968 pix_colors_focused[Color_border],
969 pix_colors_focused[Color_border]);
970 #endif
971
972 process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST);
973 process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST);
974
975 classHint.res_name = (char *)rs[Rs_name];
976 classHint.res_class = (char *)RESCLASS;
977
978 wmHint.flags = InputHint | StateHint | WindowGroupHint;
979 wmHint.input = True;
980 wmHint.initial_state = options & Opt_iconic ? IconicState : NormalState;
981 wmHint.window_group = TermWin.parent[0];
982
983 XSetWMProperties (display->display, TermWin.parent[0], NULL, NULL,
984 (char **)argv, argc, &szHint, &wmHint, &classHint);
985
986 /* Enable delete window protocol */
987 XSetWMProtocols (display->display, TermWin.parent[0],
988 &xa[XA_WMDELETEWINDOW], 1);
989
990 #if ENABLE_FRILLS
991 long pid = getpid ();
992
993 XChangeProperty (display->display, TermWin.parent[0],
994 display->atom ("_NET_WM_PID"), XA_CARDINAL, 32,
995 PropModeReplace, (unsigned char *)&pid, 1);
996 #endif
997
998 XSelectInput (display->display, TermWin.parent[0],
999 KeyPressMask
1000 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1001 | KeyReleaseMask
1002 #endif
1003 | FocusChangeMask | VisibilityChangeMask
1004 | ExposureMask
1005 | StructureNotifyMask);
1006 termwin_ev.start (display, TermWin.parent[0]);
1007
1008 #if ENABLE_FRILLS
1009 if (mwmhints.flags)
1010 {
1011 prop = XInternAtom (display->display, "_MOTIF_WM_HINTS", False);
1012 XChangeProperty (display->display, TermWin.parent[0], prop, prop, 32,
1013 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
1014 }
1015 #endif
1016
1017 /* vt cursor: Black-on-White is standard, but this is more popular */
1018 TermWin_cursor = XCreateFontCursor (display->display, XC_xterm);
1019
1020 #if defined(HAVE_SCROLLBARS) || defined(MENUBAR)
1021 /* cursor (menuBar/scrollBar): Black-on-White */
1022 leftptr_cursor = XCreateFontCursor (display->display, XC_left_ptr);
1023 #endif
1024
1025 #ifdef POINTER_BLANK
1026 {
1027 XColor blackcolour;
1028 blackcolour.red = 0;
1029 blackcolour.green = 0;
1030 blackcolour.blue = 0;
1031 Font f = XLoadFont (display->display, "fixed");
1032 blank_cursor = XCreateGlyphCursor (display->display, f, f, ' ', ' ',
1033 &blackcolour, &blackcolour);
1034 XUnloadFont (display->display, f);
1035 }
1036 #endif
1037
1038 /* the vt window */
1039 TermWin.vt = XCreateSimpleWindow (display->display, TermWin.parent[0],
1040 window_vt_x,
1041 window_vt_y,
1042 TermWin_TotalWidth (),
1043 TermWin_TotalHeight (),
1044 0,
1045 pix_colors_focused[Color_fg],
1046 pix_colors_focused[Color_bg]);
1047 #ifdef DEBUG_X
1048 XStoreName (display->display, TermWin.vt, "vt window");
1049 #endif
1050
1051 attributes.bit_gravity = NorthWestGravity;
1052 XChangeWindowAttributes (display->display, TermWin.vt, CWBitGravity, &attributes);
1053
1054 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1055
1056 pointer_unblank ();
1057
1058 #ifdef POINTER_BLANK
1059 if (options & Opt_pointerBlank)
1060 vt_emask |= PointerMotionMask;
1061 else
1062 #endif
1063 vt_emask |= Button1MotionMask | Button3MotionMask;
1064
1065 XSelectInput (display->display, TermWin.vt, vt_emask);
1066 vt_ev.start (display, TermWin.vt);
1067
1068 #if defined(MENUBAR) && (MENUBAR_MAX > 1)
1069 if (menuBar_height ())
1070 {
1071 menuBar.win = XCreateSimpleWindow (display->display, TermWin.parent[0],
1072 window_vt_x, 0,
1073 TermWin_TotalWidth (),
1074 menuBar_TotalHeight (),
1075 0,
1076 pix_colors_focused[Color_fg],
1077 pix_colors_focused[Color_scroll]);
1078
1079 #ifdef DEBUG_X
1080 XStoreName (display->display, menuBar.win, "menubar");
1081 #endif
1082
1083 menuBar.drawable = new rxvt_drawable (display, menuBar.win);
1084
1085 XDefineCursor (display->display, menuBar.win,
1086 XCreateFontCursor (display->display, XC_left_ptr));
1087
1088 XSelectInput (display->display, menuBar.win,
1089 (ExposureMask | ButtonPressMask | ButtonReleaseMask
1090 | Button1MotionMask));
1091 menubar_ev.start (display, menuBar.win);
1092 }
1093 #endif
1094
1095 #ifdef XPM_BACKGROUND
1096 if (rs[Rs_backgroundPixmap] != NULL
1097 && ! (options & Opt_transparent))
1098 {
1099 const char *p = rs[Rs_backgroundPixmap];
1100
1101 if ((p = strchr (p, ';')) != NULL)
1102 {
1103 p++;
1104 scale_pixmap (p);
1105 }
1106
1107 set_bgPixmap (rs[Rs_backgroundPixmap]);
1108 scr_touch (true);
1109 }
1110 #endif
1111
1112 /* graphics context for the vt window */
1113 gcvalue.foreground = pix_colors[Color_fg];
1114 gcvalue.background = pix_colors[Color_bg];
1115 gcvalue.graphics_exposures = 1;
1116 TermWin.gc = XCreateGC (display->display, TermWin.vt,
1117 GCForeground | GCBackground | GCGraphicsExposures,
1118 &gcvalue);
1119
1120 TermWin.drawable = new rxvt_drawable (display, TermWin.vt);
1121
1122 #if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
1123 gcvalue.foreground = pix_colors[Color_topShadow];
1124 topShadowGC = XCreateGC (display->display, TermWin.vt, GCForeground, &gcvalue);
1125 gcvalue.foreground = pix_colors[Color_bottomShadow];
1126 botShadowGC = XCreateGC (display->display, TermWin.vt, GCForeground, &gcvalue);
1127 gcvalue.foreground = pix_colors[ (display->depth <= 2 ? Color_fg : Color_scroll)];
1128 scrollbarGC = XCreateGC (display->display, TermWin.vt, GCForeground, &gcvalue);
1129 #endif
1130
1131 #ifdef OFF_FOCUS_FADING
1132 // initially we are in unfocused state
1133 if (rs[Rs_fade])
1134 pix_colors = pix_colors_unfocused;
1135 #endif
1136
1137 scr_recolour ();
1138 }
1139
1140 /* ------------------------------------------------------------------------- *
1141 * GET TTY CURRENT STATE *
1142 * ------------------------------------------------------------------------- */
1143 void
1144 rxvt_get_ttymode (ttymode_t *tio, int erase)
1145 {
1146 #ifdef HAVE_TERMIOS_H
1147 /*
1148 * standard System V termios interface
1149 */
1150 if (GET_TERMIOS (STDIN_FILENO, tio) < 0)
1151 {
1152 /* return error - use system defaults */
1153 tio->c_cc[VINTR] = CINTR;
1154 tio->c_cc[VQUIT] = CQUIT;
1155 tio->c_cc[VERASE] = CERASE;
1156 tio->c_cc[VKILL] = CKILL;
1157 tio->c_cc[VSTART] = CSTART;
1158 tio->c_cc[VSTOP] = CSTOP;
1159 tio->c_cc[VSUSP] = CSUSP;
1160 # ifdef VDSUSP
1161
1162 tio->c_cc[VDSUSP] = CDSUSP;
1163 # endif
1164 # ifdef VREPRINT
1165
1166 tio->c_cc[VREPRINT] = CRPRNT;
1167 # endif
1168 # ifdef VDISCRD
1169
1170 tio->c_cc[VDISCRD] = CFLUSH;
1171 # endif
1172 # ifdef VWERSE
1173
1174 tio->c_cc[VWERSE] = CWERASE;
1175 # endif
1176 # ifdef VLNEXT
1177
1178 tio->c_cc[VLNEXT] = CLNEXT;
1179 # endif
1180
1181 }
1182 tio->c_cc[VEOF] = CEOF;
1183 tio->c_cc[VEOL] = VDISABLE;
1184 # ifdef VEOL2
1185
1186 tio->c_cc[VEOL2] = VDISABLE;
1187 # endif
1188 # ifdef VSWTC
1189
1190 tio->c_cc[VSWTC] = VDISABLE;
1191 # endif
1192 # ifdef VSWTCH
1193
1194 tio->c_cc[VSWTCH] = VDISABLE;
1195 # endif
1196 # if VMIN != VEOF
1197
1198 tio->c_cc[VMIN] = 1;
1199 # endif
1200 # if VTIME != VEOL
1201
1202 tio->c_cc[VTIME] = 0;
1203 # endif
1204
1205 if (erase != -1)
1206 tio->c_cc[VERASE] = (char)erase;
1207
1208 /* input modes */
1209 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1210 # ifdef IMAXBEL
1211 | IMAXBEL
1212 # endif
1213 | IXON);
1214
1215 /* output modes */
1216 tio->c_oflag = (OPOST | ONLCR);
1217
1218 /* control modes */
1219 tio->c_cflag = (CS8 | CREAD);
1220
1221 /* line discipline modes */
1222 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1223 # if defined (ECHOCTL) && defined (ECHOKE)
1224 | ECHOCTL | ECHOKE
1225 # endif
1226 | ECHOE | ECHOK);
1227 # else /* HAVE_TERMIOS_H */
1228
1229 /*
1230 * sgtty interface
1231 */
1232
1233 /* get parameters -- gtty */
1234 if (ioctl (STDIN_FILENO, TIOCGETP, & (tio->sg)) < 0)
1235 {
1236 tio->sg.sg_erase = CERASE; /* ^H */
1237 tio->sg.sg_kill = CKILL; /* ^U */
1238 }
1239 if (erase != -1)
1240 tio->sg.sg_erase = (char)erase;
1241
1242 tio->sg.sg_flags = (CRMOD | ECHO | EVENP | ODDP);
1243
1244 /* get special characters */
1245 if (ioctl (STDIN_FILENO, TIOCGETC, & (tio->tc)) < 0)
1246 {
1247 tio->tc.t_intrc = CINTR; /* ^C */
1248 tio->tc.t_quitc = CQUIT; /* ^\ */
1249 tio->tc.t_startc = CSTART; /* ^Q */
1250 tio->tc.t_stopc = CSTOP; /* ^S */
1251 tio->tc.t_eofc = CEOF; /* ^D */
1252 tio->tc.t_brkc = -1;
1253 }
1254 /* get local special chars */
1255 if (ioctl (STDIN_FILENO, TIOCGLTC, & (tio->lc)) < 0)
1256 {
1257 tio->lc.t_suspc = CSUSP; /* ^Z */
1258 tio->lc.t_dsuspc = CDSUSP; /* ^Y */
1259 tio->lc.t_rprntc = CRPRNT; /* ^R */
1260 tio->lc.t_flushc = CFLUSH; /* ^O */
1261 tio->lc.t_werasc = CWERASE; /* ^W */
1262 tio->lc.t_lnextc = CLNEXT; /* ^V */
1263 }
1264 /* get line discipline */
1265 ioctl (STDIN_FILENO, TIOCGETD, & (tio->line));
1266 # ifdef NTTYDISC
1267
1268 tio->line = NTTYDISC;
1269 # endif /* NTTYDISC */
1270
1271 tio->local = (LCRTBS | LCRTERA | LCTLECH | LPASS8 | LCRTKIL);
1272 #endif /* HAVE_TERMIOS_H */
1273
1274 /*
1275 * Debugging
1276 */
1277 #ifdef DEBUG_TTYMODE
1278 #ifdef HAVE_TERMIOS_H
1279 /* c_iflag bits */
1280 fprintf (stderr, "Input flags\n");
1281
1282 /* cpp token stringize doesn't work on all machines <sigh> */
1283 # define FOO(flag,name) \
1284 if ((tio->c_iflag) & flag) \
1285 fprintf (stderr, "%s ", name)
1286
1287 /* c_iflag bits */
1288 FOO (IGNBRK, "IGNBRK");
1289 FOO (BRKINT, "BRKINT");
1290 FOO (IGNPAR, "IGNPAR");
1291 FOO (PARMRK, "PARMRK");
1292 FOO (INPCK, "INPCK");
1293 FOO (ISTRIP, "ISTRIP");
1294 FOO (INLCR, "INLCR");
1295 FOO (IGNCR, "IGNCR");
1296 FOO (ICRNL, "ICRNL");
1297 FOO (IXON, "IXON");
1298 FOO (IXOFF, "IXOFF");
1299 # ifdef IUCLC
1300
1301 FOO (IUCLC, "IUCLC");
1302 # endif
1303 # ifdef IXANY
1304
1305 FOO (IXANY, "IXANY");
1306 # endif
1307 # ifdef IMAXBEL
1308
1309 FOO (IMAXBEL, "IMAXBEL");
1310 # endif
1311
1312 fprintf (stderr, "\n");
1313
1314 # undef FOO
1315 # define FOO(entry, name) \
1316 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1317
1318 FOO (VINTR, "VINTR");
1319 FOO (VQUIT, "VQUIT");
1320 FOO (VERASE, "VERASE");
1321 FOO (VKILL, "VKILL");
1322 FOO (VEOF, "VEOF");
1323 FOO (VEOL, "VEOL");
1324 # ifdef VEOL2
1325
1326 FOO (VEOL2, "VEOL2");
1327 # endif
1328 # ifdef VSWTC
1329
1330 FOO (VSWTC, "VSWTC");
1331 # endif
1332 # ifdef VSWTCH
1333
1334 FOO (VSWTCH, "VSWTCH");
1335 # endif
1336
1337 FOO (VSTART, "VSTART");
1338 FOO (VSTOP, "VSTOP");
1339 FOO (VSUSP, "VSUSP");
1340 # ifdef VDSUSP
1341
1342 FOO (VDSUSP, "VDSUSP");
1343 # endif
1344 # ifdef VREPRINT
1345
1346 FOO (VREPRINT, "VREPRINT");
1347 # endif
1348 # ifdef VDISCRD
1349
1350 FOO (VDISCRD, "VDISCRD");
1351 # endif
1352 # ifdef VWERSE
1353
1354 FOO (VWERSE, "VWERSE");
1355 # endif
1356 # ifdef VLNEXT
1357
1358 FOO (VLNEXT, "VLNEXT");
1359 # endif
1360
1361 fprintf (stderr, "\n");
1362 # undef FOO
1363 # endif /* HAVE_TERMIOS_H */
1364 #endif /* DEBUG_TTYMODE */
1365 }
1366
1367 /*----------------------------------------------------------------------*/
1368 /*
1369 * Run the command in a subprocess and return a file descriptor for the
1370 * master end of the pseudo-teletype pair with the command talking to
1371 * the slave.
1372 */
1373 void
1374 rxvt_term::run_command (const char *const *argv)
1375 {
1376 int er;
1377
1378 if (!pty.get ())
1379 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1380
1381 #ifndef NO_BACKSPACE_KEY
1382 if (key_backspace[0] && !key_backspace[1])
1383 er = key_backspace[0];
1384 else if (strcmp (key_backspace, "DEC") == 0)
1385 er = '\177'; /* the initial state anyway */
1386 else
1387 #endif
1388 er = -1;
1389
1390 rxvt_get_ttymode (&tio, er);
1391
1392 /* set initial window size */
1393 tt_winch ();
1394
1395 sw_chld.start (SIGCHLD);
1396
1397 #ifndef __QNX__
1398 /* spin off the command interpreter */
1399 switch (cmd_pid = fork ())
1400 {
1401 case -1:
1402 rxvt_fatal ("can't fork, aborting.\n");
1403 case 0:
1404 init_env ();
1405
1406 if (!pty.make_controlling_tty ())
1407 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1408 else
1409 {
1410 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1411 dup2 (pty.tty, STDIN_FILENO);
1412 dup2 (pty.tty, STDOUT_FILENO);
1413 dup2 (pty.tty, STDERR_FILENO);
1414
1415 // close all our file handles that we do no longer need
1416 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1417 {
1418 if ((*t)->pty.pty > 2) close ((*t)->pty.pty);
1419 if ((*t)->pty.tty > 2) close ((*t)->pty.tty);
1420 }
1421
1422 run_child (argv);
1423 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1424 }
1425
1426 _exit (EXIT_FAILURE);
1427
1428 default:
1429 {
1430 #if defined(HAVE_STRUCT_UTMP) && defined(HAVE_TTYSLOT)
1431 int fdstdin;
1432
1433 fdstdin = dup (STDIN_FILENO);
1434 dup2 (pty.tty, STDIN_FILENO);
1435 #endif
1436
1437 #ifdef UTMP_SUPPORT
1438 privileged_utmp (SAVE);
1439 #endif
1440
1441 #if defined(HAVE_STRUCT_UTMP) && defined(HAVE_TTYSLOT)
1442
1443 dup2 (fdstdin, STDIN_FILENO);
1444 close (fdstdin);
1445 #endif
1446 }
1447
1448 pty.close_tty (); /* keep STDERR_FILENO, pty.pty, display->fd () open */
1449 break;
1450 }
1451 #else /* __QNX__ uses qnxspawn () */
1452 fchmod (pty.tty, 0622);
1453 fcntl (pty.tty, F_SETFD, FD_CLOEXEC);
1454 fcntl (pty.pty, F_SETFD, FD_CLOEXEC);
1455
1456 if (run_child (argv) == -1)
1457 exit (EXIT_FAILURE);
1458 #endif
1459 }
1460
1461 /* ------------------------------------------------------------------------- *
1462 * CHILD PROCESS OPERATIONS *
1463 * ------------------------------------------------------------------------- */
1464 /*
1465 * The only open file descriptor is the slave tty - so no error messages.
1466 * returns are fatal
1467 */
1468 int
1469 rxvt_term::run_child (const char *const *argv)
1470 {
1471 char *login;
1472
1473 SET_TTYMODE (STDIN_FILENO, &tio); /* init terminal attributes */
1474
1475 if (options & Opt_console)
1476 { /* be virtual console, fail silently */
1477 #ifdef TIOCCONS
1478 unsigned int on = 1;
1479
1480 ioctl (STDIN_FILENO, TIOCCONS, &on);
1481 #elif defined (SRIOCSREDIR)
1482 int fd;
1483
1484 fd = open (CONSOLE, O_WRONLY, 0);
1485 if (fd >= 0)
1486 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1487 close (fd);
1488 #endif /* SRIOCSREDIR */
1489 }
1490
1491 /* reset signals and spin off the command interpreter */
1492 signal (SIGINT, SIG_DFL);
1493 signal (SIGQUIT, SIG_DFL);
1494 signal (SIGCHLD, SIG_DFL);
1495 signal (SIGHUP, SIG_DFL);
1496 signal (SIGPIPE, SIG_DFL);
1497 /*
1498 * mimick login's behavior by disabling the job control signals
1499 * a shell that wants them can turn them back on
1500 */
1501 #ifdef SIGTSTP
1502 signal (SIGTSTP, SIG_IGN);
1503 signal (SIGTTIN, SIG_IGN);
1504 signal (SIGTTOU, SIG_IGN);
1505 #endif /* SIGTSTP */
1506
1507 // unblock signals (signals are blocked by iom.C
1508 sigset_t ss;
1509 sigemptyset (&ss);
1510 sigprocmask (SIG_SETMASK, &ss, 0);
1511
1512 #ifndef __QNX__
1513 /* command interpreter path */
1514 if (argv != NULL)
1515 {
1516 # ifdef DEBUG_CMD
1517 int i;
1518
1519 for (i = 0; argv[i]; i++)
1520 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1521 # endif
1522
1523 execvp (argv[0], (char *const *)argv);
1524 /* no error message: STDERR is closed! */
1525 }
1526 else
1527 {
1528 const char *argv0, *shell;
1529
1530 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1531 shell = "/bin/sh";
1532
1533 argv0 = (const char *)rxvt_r_basename (shell);
1534
1535 if (options & Opt_loginShell)
1536 {
1537 login = (char *)rxvt_malloc ((strlen (argv0) + 2) * sizeof (char));
1538
1539 login[0] = '-';
1540 strcpy (&login[1], argv0);
1541 argv0 = login;
1542 }
1543 execlp (shell, argv0, NULL);
1544 /* no error message: STDERR is closed! */
1545 }
1546
1547 #else /* __QNX__ uses qnxspawn () */
1548
1549 char iov_a[10] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 };
1550 char *command = NULL, fullcommand[_MAX_PATH];
1551 char **arg_v, *arg_a[2] = { NULL, NULL };
1552
1553 if (argv != NULL)
1554 {
1555 if (access (argv[0], X_OK) == -1)
1556 {
1557 if (strchr (argv[0], '/') == NULL)
1558 {
1559 searchenv (argv[0], "PATH", fullcommand);
1560
1561 if (fullcommand[0] != '\0')
1562 command = fullcommand;
1563 }
1564
1565 if (access (command, X_OK) == -1)
1566 return -1;
1567 }
1568 else
1569 command = argv[0];
1570
1571 arg_v = argv;
1572 }
1573 else
1574 {
1575 if ((command = getenv ("SHELL")) == NULL || *command == '\0')
1576 command = "/bin/sh";
1577
1578 arg_a[0] = my_basename (command);
1579
1580 if (options & Opt_loginShell)
1581 {
1582 login = rxvt_malloc ((strlen (arg_a[0]) + 2) * sizeof (char));
1583
1584 login[0] = '-';
1585 strcpy (&login[1], arg_a[0]);
1586 arg_a[0] = login;
1587 }
1588
1589 arg_v = arg_a;
1590 }
1591
1592 iov_a[0] = iov_a[1] = iov_a[2] = pty.tty;
1593 cmd_pid = qnx_spawn (0, 0, 0, -1, -1,
1594 _SPAWN_SETSID | _SPAWN_TCSETPGRP,
1595 command, arg_v, environ, iov_a, 0);
1596 if (login)
1597 free (login);
1598
1599 pty.close_tty ();
1600 return pty.pty;
1601 #endif
1602
1603 return -1;
1604 }
1605
1606 /*----------------------- end-of-file (C source) -----------------------*/