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/cvs/rxvt-unicode/src/init.C
Revision: 1.213
Committed: Fri Sep 14 10:15:41 2007 UTC (16 years, 8 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.212: +2 -2 lines
Log Message:
fix disastrous bug

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) 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) 2003-2006 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 "rxvtutil.h"
37 #include "init.h"
38
39 #include <limits>
40
41 #include <csignal>
42
43 const char *const def_colorName[] =
44 {
45 COLOR_FOREGROUND,
46 COLOR_BACKGROUND,
47 /* low-intensity colors */
48 "rgb:00/00/00", // 0: black (Black)
49 "rgb:cd/00/00", // 1: red (Red3)
50 "rgb:00/cd/00", // 2: green (Green3)
51 "rgb:cd/cd/00", // 3: yellow (Yellow3)
52 "rgb:00/00/cd", // 4: blue (Blue3)
53 "rgb:cd/00/cd", // 5: magenta (Magenta3)
54 "rgb:00/cd/cd", // 6: cyan (Cyan3)
55 # ifdef XTERM_COLORS
56 "rgb:e5/e5/e5", // 7: white (Grey90)
57 # else
58 "rgb:fa/eb/d7", // 7: white (AntiqueWhite)
59 # endif
60 /* high-intensity colors */
61 # ifdef XTERM_COLORS
62 "rgb:4d/4d/4d", // 8: bright black (Grey30)
63 # else
64 "rgb:40/40/40", // 8: bright black (Grey25)
65 # endif
66 "rgb:ff/00/00", // 1/9: bright red (Reed)
67 "rgb:00/ff/00", // 2/10: bright green (Green)
68 "rgb:ff/ff/00", // 3/11: bright yellow (Yellow)
69 "rgb:00/00/ff", // 4/12: bright blue (Blue)
70 "rgb:ff/00/ff", // 5/13: bright magenta (Magenta)
71 "rgb:00/ff/ff", // 6/14: bright cyan (Cyan)
72 "rgb:ff/ff/ff", // 7/15: bright white (White)
73
74 // 88 xterm colours
75 "rgb:00/00/00",
76 "rgb:00/00/8b",
77 "rgb:00/00/cd",
78 "rgb:00/00/ff",
79 "rgb:00/8b/00",
80 "rgb:00/8b/8b",
81 "rgb:00/8b/cd",
82 "rgb:00/8b/ff",
83 "rgb:00/cd/00",
84 "rgb:00/cd/8b",
85 "rgb:00/cd/cd",
86 "rgb:00/cd/ff",
87 "rgb:00/ff/00",
88 "rgb:00/ff/8b",
89 "rgb:00/ff/cd",
90 "rgb:00/ff/ff",
91 "rgb:8b/00/00",
92 "rgb:8b/00/8b",
93 "rgb:8b/00/cd",
94 "rgb:8b/00/ff",
95 "rgb:8b/8b/00",
96 "rgb:8b/8b/8b",
97 "rgb:8b/8b/cd",
98 "rgb:8b/8b/ff",
99 "rgb:8b/cd/00",
100 "rgb:8b/cd/8b",
101 "rgb:8b/cd/cd",
102 "rgb:8b/cd/ff",
103 "rgb:8b/ff/00",
104 "rgb:8b/ff/8b",
105 "rgb:8b/ff/cd",
106 "rgb:8b/ff/ff",
107 "rgb:cd/00/00",
108 "rgb:cd/00/8b",
109 "rgb:cd/00/cd",
110 "rgb:cd/00/ff",
111 "rgb:cd/8b/00",
112 "rgb:cd/8b/8b",
113 "rgb:cd/8b/cd",
114 "rgb:cd/8b/ff",
115 "rgb:cd/cd/00",
116 "rgb:cd/cd/8b",
117 "rgb:cd/cd/cd",
118 "rgb:cd/cd/ff",
119 "rgb:cd/ff/00",
120 "rgb:cd/ff/8b",
121 "rgb:cd/ff/cd",
122 "rgb:cd/ff/ff",
123 "rgb:ff/00/00",
124 "rgb:ff/00/8b",
125 "rgb:ff/00/cd",
126 "rgb:ff/00/ff",
127 "rgb:ff/8b/00",
128 "rgb:ff/8b/8b",
129 "rgb:ff/8b/cd",
130 "rgb:ff/8b/ff",
131 "rgb:ff/cd/00",
132 "rgb:ff/cd/8b",
133 "rgb:ff/cd/cd",
134 "rgb:ff/cd/ff",
135 "rgb:ff/ff/00",
136 "rgb:ff/ff/8b",
137 "rgb:ff/ff/cd",
138 "rgb:ff/ff/ff",
139 "rgb:2e/2e/2e",
140 "rgb:5c/5c/5c",
141 "rgb:73/73/73",
142 "rgb:8b/8b/8b",
143 "rgb:a2/a2/a2",
144 "rgb:b9/b9/b9",
145 "rgb:d0/d0/d0",
146 "rgb:e7/e7/e7",
147
148 #ifndef NO_CURSORCOLOR
149 COLOR_CURSOR_BACKGROUND,
150 COLOR_CURSOR_FOREGROUND,
151 #endif /* ! NO_CURSORCOLOR */
152 NULL, /* Color_pointer_fg */
153 NULL, /* Color_pointer_bg */
154 NULL, /* Color_border */
155 #ifndef NO_BOLD_UNDERLINE_REVERSE
156 NULL, /* Color_BD */
157 NULL, /* Color_IT */
158 NULL, /* Color_UL */
159 NULL, /* Color_RV */
160 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
161 #if ENABLE_FRILLS
162 NULL, // Color_underline
163 #endif
164 #ifdef OPTION_HC
165 NULL,
166 #endif
167 #ifdef KEEP_SCROLLCOLOR
168 COLOR_SCROLLBAR,
169 COLOR_SCROLLTROUGH,
170 #endif /* KEEP_SCROLLCOLOR */
171 #if ENABLE_TRANSPARENCY
172 NULL,
173 #endif
174 #if OFF_FOCUS_FADING
175 "rgb:00/00/00",
176 #endif
177 };
178
179 bool
180 rxvt_term::init_vars ()
181 {
182 pix_colors = //
183 pix_colors_focused = new rxvt_color [TOTAL_COLORS];
184 #ifdef OFF_FOCUS_FADING
185 pix_colors_unfocused = new rxvt_color [TOTAL_COLORS];
186 #endif
187
188
189 MEvent.time = CurrentTime;
190 MEvent.button = AnyButton;
191 want_refresh = 1;
192 priv_modes = SavedModes = PrivMode_Default;
193 ncol = 80;
194 nrow = 24;
195 int_bwidth = INTERNALBORDERWIDTH;
196 ext_bwidth = EXTERNALBORDERWIDTH;
197 lineSpace = LINESPACE;
198 saveLines = SAVELINES;
199 numpix_colors = TOTAL_COLORS;
200
201 refresh_type = SLOW_REFRESH;
202
203 oldcursor.row = oldcursor.col = -1;
204 last_bot = last_state = -1;
205
206 set_option (Opt_scrollBar);
207 set_option (Opt_scrollTtyOutput);
208 set_option (Opt_jumpScroll);
209 set_option (Opt_skipScroll);
210 set_option (Opt_secondaryScreen);
211 set_option (Opt_secondaryScroll);
212 set_option (Opt_pastableTabs);
213 set_option (Opt_intensityStyles);
214 set_option (Opt_iso14755_52);
215
216 return true;
217 }
218
219 void
220 rxvt_term::init_secondary ()
221 {
222 int i;
223
224 /*
225 * Close all unused file descriptors
226 * We don't want them, we don't need them.
227 */
228 if ((i = open ("/dev/null", O_RDONLY)) < 0)
229 {
230 /* TODO: BOO HISS */
231 dup2 (STDERR_FILENO, STDIN_FILENO);
232 }
233 else if (i > STDIN_FILENO)
234 {
235 dup2 (i, STDIN_FILENO);
236 close (i);
237 }
238
239 dup2 (STDERR_FILENO, STDOUT_FILENO);
240
241 #if 0 // schmorp sayz closing filies is murder
242 for (i = STDERR_FILENO + 1; i < num_fds; i++)
243 {
244 #ifdef __sgi /* Alex Coventry says we need 4 & 7 too */
245 if (i == 4 || i == 7)
246 continue;
247 #endif
248 close (i);
249 }
250 #endif
251 }
252
253 /*----------------------------------------------------------------------*/
254 const char **
255 rxvt_term::init_resources (int argc, const char *const *argv)
256 {
257 int i, r_argc;
258 const char **cmd_argv, **r_argv;
259
260 /*
261 * Look for -e option. Find => split and make cmd_argv[] of command args
262 */
263 for (r_argc = 0; r_argc < argc; r_argc++)
264 if (!strcmp (argv[r_argc], "-e"))
265 break;
266
267 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
268
269 for (i = 0; i < r_argc; i++)
270 r_argv[i] = (const char *)argv[i];
271
272 r_argv[i] = NULL;
273
274 if (r_argc == argc)
275 cmd_argv = NULL;
276 else
277 {
278 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
279
280 for (i = 0; i < argc - r_argc - 1; i++)
281 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
282
283 cmd_argv[i] = NULL;
284 }
285
286 rs[Rs_name] = rxvt_basename (argv[0]);
287
288 /*
289 * Open display, get options/resources and create the window
290 */
291
292 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
293 rs[Rs_display_name] = ":0";
294
295 get_options (r_argc, r_argv);
296
297 if (!(display = displays.get (rs[Rs_display_name])))
298 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
299
300 // using a local pointer decreases code size a lot
301 xa = display->xa;
302
303 set (display);
304 extract_resources ();
305
306 #if XFT
307 if (rs[Rs_depth])
308 select_visual (strtol (rs[Rs_depth], 0, 0));
309 #endif
310
311 #ifdef HAVE_AFTERIMAGE
312 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
313 #endif
314 free (r_argv);
315
316 for (int i = NUM_RESOURCES; i--; )
317 if (rs [i] == resval_undef)
318 rs [i] = 0;
319
320 #if ENABLE_PERL
321 if (!rs[Rs_perl_ext_1])
322 rs[Rs_perl_ext_1] = "default";
323
324 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
325 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
326 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
327 {
328 rxvt_perl.init (this);
329 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
330 }
331 #endif
332
333 /*
334 * set any defaults not already set
335 */
336 if (cmd_argv && cmd_argv[0])
337 {
338 if (!rs[Rs_title])
339 rs[Rs_title] = rxvt_basename (cmd_argv[0]);
340 if (!rs[Rs_iconName])
341 rs[Rs_iconName] = rs[Rs_title];
342 }
343 else
344 {
345 if (!rs[Rs_title])
346 rs[Rs_title] = rs[Rs_name];
347 if (!rs[Rs_iconName])
348 rs[Rs_iconName] = rs[Rs_name];
349 }
350
351 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
352 saveLines = min (i, MAX_SAVELINES);
353
354 #if ENABLE_FRILLS
355 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
356 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
357
358 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
359 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
360
361 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
362 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
363 #endif
364
365 #ifdef POINTER_BLANK
366 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
367 pointerBlankDelay = i;
368 else
369 pointerBlankDelay = 2;
370 #endif
371
372 /* no point having a scrollbar without having any scrollback! */
373 if (!saveLines)
374 set_option (Opt_scrollBar, 0);
375
376 #ifdef PRINTPIPE
377 if (!rs[Rs_print_pipe])
378 rs[Rs_print_pipe] = PRINTPIPE;
379 #endif
380
381 if (!rs[Rs_cutchars])
382 rs[Rs_cutchars] = CUTCHARS;
383
384 #ifndef NO_BACKSPACE_KEY
385 if (!rs[Rs_backspace_key])
386 # ifdef DEFAULT_BACKSPACE
387 rs[Rs_backspace_key] = DEFAULT_BACKSPACE;
388 # else
389 rs[Rs_backspace_key] = "DEC"; /* can toggle between \010 or \177 */
390 # endif
391 #endif
392
393 #ifndef NO_DELETE_KEY
394 if (!rs[Rs_delete_key])
395 # ifdef DEFAULT_DELETE
396 rs[Rs_delete_key] = DEFAULT_DELETE;
397 # else
398 rs[Rs_delete_key] = "\033[3~";
399 # endif
400 #endif
401
402 #ifdef HAVE_SCROLLBARS
403 setup_scrollbar (rs[Rs_scrollBar_align], rs[Rs_scrollstyle], rs[Rs_scrollBar_thickness]);
404 #endif
405
406 #ifdef XTERM_REVERSE_VIDEO
407 /* this is how xterm implements reverseVideo */
408 if (option (Opt_reverseVideo))
409 {
410 if (!rs[Rs_color + Color_fg])
411 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
412
413 if (!rs[Rs_color + Color_bg])
414 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
415 }
416 #endif
417
418 for (i = 0; i < NRS_COLORS; i++)
419 if (!rs[Rs_color + i])
420 rs[Rs_color + i] = def_colorName[i];
421
422 #ifndef XTERM_REVERSE_VIDEO
423 /* this is how we implement reverseVideo */
424 if (option (Opt_reverseVideo))
425 ::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]);
426 #endif
427
428 /* convenient aliases for setting fg/bg to colors */
429 color_aliases (Color_fg);
430 color_aliases (Color_bg);
431 #ifndef NO_CURSORCOLOR
432 color_aliases (Color_cursor);
433 color_aliases (Color_cursor2);
434 #endif /* NO_CURSORCOLOR */
435 color_aliases (Color_pointer_fg);
436 color_aliases (Color_pointer_bg);
437 color_aliases (Color_border);
438 #ifndef NO_BOLD_UNDERLINE_REVERSE
439 color_aliases (Color_BD);
440 color_aliases (Color_UL);
441 color_aliases (Color_RV);
442 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
443
444 if (!rs[Rs_color + Color_border])
445 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
446
447 return cmd_argv;
448 }
449
450 /*----------------------------------------------------------------------*/
451 void
452 rxvt_term::init_env ()
453 {
454 int i;
455 char *val;
456
457 #ifdef DISPLAY_IS_IP
458 /* Fixup display_name for export over pty to any interested terminal
459 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
460 * (for the first non-loopback interface) that we get from
461 * rxvt_network_display (). This is more "name-resolution-portable", if you
462 * will, and probably allows for faster x-client startup if your name
463 * server is beyond a slow link or overloaded at client startup. Of
464 * course that only helps the shell's child processes, not us.
465 *
466 * Giving out the display_name also affords a potential security hole
467 */
468 val = rxvt_network_display (rs[Rs_display_name]);
469 rs[Rs_display_name] = (const char *)val;
470
471 if (val == NULL)
472 #endif /* DISPLAY_IS_IP */
473 val = XDisplayString (dpy);
474
475 if (rs[Rs_display_name] == NULL)
476 rs[Rs_display_name] = val; /* use broken `:0' value */
477
478 i = strlen (val);
479 env_display = (char *)rxvt_malloc (i + 9);
480
481 sprintf (env_display, "DISPLAY=%s", val);
482
483 sprintf (env_windowid, "WINDOWID=%lu", (unsigned long)parent[0]);
484
485 /* add entries to the environment:
486 * @ DISPLAY: in case we started with -display
487 * @ WINDOWID: X window id number of the window
488 * @ COLORTERM: terminal sub-name and also indicates its color
489 * @ TERM: terminal name
490 * @ TERMINFO: path to terminfo directory
491 * @ COLORFGBG: fg;bg color codes
492 */
493 putenv (env_display);
494 putenv (env_windowid);
495
496 if (env_colorfgbg)
497 putenv (env_colorfgbg);
498
499 #ifdef RXVT_TERMINFO
500 putenv ("TERMINFO=" RXVT_TERMINFO);
501 #endif
502
503 if (depth <= 2)
504 putenv ("COLORTERM=" COLORTERMENV "-mono");
505 else
506 putenv ("COLORTERM=" COLORTERMENVFULL);
507
508 if (rs[Rs_term_name] != NULL)
509 {
510 env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6);
511 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
512 putenv (env_term);
513 }
514 else
515 putenv ("TERM=" TERMENV);
516
517 #ifdef HAVE_UNSETENV
518 /* avoid passing old settings and confusing term size */
519 unsetenv ("LINES");
520 unsetenv ("COLUMNS");
521 unsetenv ("TERMCAP"); /* terminfo should be okay */
522 #endif /* HAVE_UNSETENV */
523 }
524
525 /*----------------------------------------------------------------------*/
526 /*
527 * This is more or less stolen straight from XFree86 xterm.
528 * This should support all European type languages.
529 */
530 void
531 rxvt_term::set_locale (const char *locale)
532 {
533 set_environ (envv);
534
535 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
536 free (this->locale);
537 this->locale = setlocale (LC_CTYPE, locale);
538
539 if (!this->locale)
540 {
541 if (*locale)
542 {
543 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
544 setlocale (LC_CTYPE, "C");
545 }
546 else
547 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
548
549 this->locale = "C";
550 }
551
552
553 this->locale = rxvt_strdup (this->locale);
554 SET_LOCALE (this->locale);
555 mbstate.reset ();
556 #endif
557
558 #if HAVE_NL_LANGINFO
559 char *codeset = strdup (nl_langinfo (CODESET));
560 // /^UTF.?8/i
561 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
562 && (codeset[1] == 'T' || codeset[1] == 't')
563 && (codeset[2] == 'F' || codeset[2] == 'f')
564 && (codeset[3] == '8' || codeset[4] == '8');
565 free (codeset);
566 #else
567 enc_utf8 = 0;
568 #endif
569 }
570
571 void
572 rxvt_term::init_xlocale ()
573 {
574 set_environ (envv);
575
576 #ifdef USE_XIM
577 if (!locale)
578 rxvt_warn ("setting locale failed, working without locale support.\n");
579 else
580 {
581 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
582
583 if (!XSupportsLocale ())
584 {
585 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
586 return;
587 }
588
589 im_ev.start (display);
590
591 /* see if we can connect already */
592 im_cb ();
593 }
594 #endif
595 }
596
597 /*----------------------------------------------------------------------*/
598 void
599 rxvt_term::init_command (const char *const *argv)
600 {
601 /*
602 * Initialize the command connection.
603 * This should be called after the X server connection is established.
604 */
605
606 #ifdef META8_OPTION
607 meta_char = option (Opt_meta8) ? 0x80 : C0_ESC;
608 #endif
609
610 get_ourmods ();
611
612 if (!option (Opt_scrollTtyOutput))
613 priv_modes |= PrivMode_TtyOutputInh;
614 if (option (Opt_scrollTtyKeypress))
615 priv_modes |= PrivMode_Keypress;
616 if (!option (Opt_jumpScroll))
617 priv_modes |= PrivMode_smoothScroll;
618
619 #ifndef NO_BACKSPACE_KEY
620 if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
621 priv_modes |= PrivMode_HaveBackSpace;
622 #endif
623
624 /* add value for scrollBar */
625 if (scrollBar.state)
626 {
627 priv_modes |= PrivMode_scrollBar;
628 SavedModes |= PrivMode_scrollBar;
629 }
630
631 run_command (argv);
632 }
633
634 /*----------------------------------------------------------------------*/
635 void
636 rxvt_term::Get_Colours ()
637 {
638 int i;
639
640 #ifdef OFF_FOCUS_FADING
641 pix_colors = pix_colors_focused;
642 #endif
643
644 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
645 {
646 const char *name = rs[Rs_color + i];
647
648 if (!name)
649 continue;
650
651 rxvt_color xcol;
652
653 if (!set_color (xcol, name))
654 {
655 #ifndef XTERM_REVERSE_VIDEO
656 if (i < 2 && option (Opt_reverseVideo))
657 name = def_colorName [1 - i];
658 else
659 #endif
660 name = def_colorName [i];
661
662 if (!name)
663 continue;
664
665 if (!set_color (xcol, name))
666 {
667 switch (i)
668 {
669 case Color_fg:
670 case Color_bg:
671 rxvt_warn ("unable to get foreground/background colour, continuing.\n");
672 name = "";
673 break;
674 #ifndef NO_CURSORCOLOR
675 case Color_cursor2:
676 #endif
677 case Color_pointer_fg:
678 name = rs[Rs_color + Color_fg];
679 xcol.set (this, name);
680 break;
681 default:
682 name = rs[Rs_color + Color_bg];
683 xcol.set (this, name);
684 break;
685 }
686 }
687 }
688
689 pix_colors[i] = xcol;
690 rs[Rs_color + i] = name;
691 }
692
693 if (depth <= 2)
694 {
695 if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg);
696 if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg);
697 if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg);
698 }
699
700 /*
701 * get scrollBar shadow colors
702 *
703 * The calculations of topShadow/bottomShadow values are adapted
704 * from the fvwm window manager.
705 */
706 #ifdef KEEP_SCROLLCOLOR
707 if (depth <= 2)
708 {
709 /* Monochrome */
710 alias_color (Color_scroll, Color_fg);
711 alias_color (Color_topShadow, Color_bg);
712 alias_color (Color_bottomShadow, Color_bg);
713 }
714 else
715 {
716 pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]);
717
718 rgba cscroll;
719 pix_colors [Color_scroll].get (cscroll);
720
721 /* topShadowColor */
722 if (!pix_colors[Color_topShadow].set (this,
723 rgba (
724 min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5),
725 min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5),
726 min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5),
727 cscroll.a)
728 ))
729 alias_color (Color_topShadow, Color_White);
730 }
731 #endif /* KEEP_SCROLLCOLOR */
732
733 #ifdef OFF_FOCUS_FADING
734 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
735 update_fade_color (i);
736 #endif
737 }
738
739 /*----------------------------------------------------------------------*/
740 /* color aliases, fg/bg bright-bold */
741 void
742 rxvt_term::color_aliases (int idx)
743 {
744 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
745 {
746 int i = atoi (rs[Rs_color + idx]);
747
748 if (i >= 8 && i <= 15)
749 { /* bright colors */
750 i -= 8;
751 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i];
752 return;
753 }
754
755 if (i >= 0 && i <= 7) /* normal colors */
756 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
757 }
758 }
759
760 /*----------------------------------------------------------------------*/
761 /*
762 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
763 * Use resource ``modifier'' to override the Meta modifier
764 */
765 void
766 rxvt_term::get_ourmods ()
767 {
768 int i, j, k;
769 int requestedmeta, realmeta, realalt;
770 const char *cm, *rsmod;
771 XModifierKeymap *map;
772 KeyCode *kc;
773 const unsigned int modmasks[] =
774 {
775 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
776 };
777
778 requestedmeta = realmeta = realalt = 0;
779 rsmod = rs[Rs_modifier];
780
781 if (rsmod
782 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
783 requestedmeta = rsmod[3] - '0';
784
785 map = XGetModifierMapping (dpy);
786 kc = map->modifiermap;
787
788 for (i = 1; i < 6; i++)
789 {
790 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
791
792 for (j = map->max_keypermod; j--; k++)
793 {
794 if (kc[k] == 0)
795 break;
796
797 switch (XKeycodeToKeysym (dpy, kc[k], 0))
798 {
799 case XK_Num_Lock:
800 ModNumLockMask = modmasks[i - 1];
801 continue;
802
803 case XK_ISO_Level3_Shift:
804 ModLevel3Mask = modmasks[i - 1];
805 continue;
806
807 case XK_Meta_L:
808 case XK_Meta_R:
809 cm = "meta";
810 realmeta = i;
811 break;
812
813 case XK_Alt_L:
814 case XK_Alt_R:
815 cm = "alt";
816 realalt = i;
817 break;
818
819 case XK_Super_L:
820 case XK_Super_R:
821 cm = "super";
822 break;
823
824 case XK_Hyper_L:
825 case XK_Hyper_R:
826 cm = "hyper";
827 break;
828
829 default:
830 continue;
831 }
832
833 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
834 requestedmeta = i;
835 }
836 }
837
838 XFreeModifiermap (map);
839
840 i = requestedmeta ? requestedmeta
841 : realmeta ? realmeta
842 : realalt ? realalt
843 : 0;
844
845 if (i)
846 ModMetaMask = modmasks[i - 1];
847 }
848
849 /*----------------------------------------------------------------------*/
850 /* rxvt_Create_Windows () - Open and map the window */
851 void
852 rxvt_term::create_windows (int argc, const char *const *argv)
853 {
854 XClassHint classHint;
855 XWMHints wmHint;
856 #if ENABLE_FRILLS
857 MWMHints mwmhints = { };
858 #endif
859 XGCValues gcvalue;
860 XSetWindowAttributes attributes;
861 Window top, parent;
862
863 dLocal (Display *, dpy);
864
865 /* grab colors before netscape does */
866 Get_Colours ();
867
868 if (!set_fonts ())
869 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
870
871 parent = display->root;
872
873 attributes.override_redirect = !!option (Opt_override_redirect);
874
875 #if ENABLE_FRILLS
876 if (option (Opt_borderLess))
877 {
878 if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None)
879 {
880 // rxvt_warn("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");
881 attributes.override_redirect = true;
882 }
883 else
884 {
885 mwmhints.flags = MWM_HINTS_DECORATIONS;
886 }
887 }
888 #endif
889
890 #if ENABLE_XEMBED
891 if (rs[Rs_embed])
892 {
893 XWindowAttributes wattr;
894
895 parent = strtol (rs[Rs_embed], 0, 0);
896
897 if (!XGetWindowAttributes (dpy, parent, &wattr))
898 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
899
900 window_calc (wattr.width, wattr.height);
901 }
902 #endif
903
904 window_calc (0, 0);
905
906 /* sub-window placement & size in rxvt_resize_subwindows () */
907 attributes.background_pixel = pix_colors_focused [Color_border];
908 attributes.border_pixel = pix_colors_focused [Color_border];
909 attributes.colormap = cmap;
910
911 top = XCreateWindow (dpy, parent,
912 szHint.x, szHint.y,
913 szHint.width, szHint.height,
914 ext_bwidth,
915 depth, InputOutput, visual,
916 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
917 &attributes);
918
919 this->parent[0] = top;
920
921 old_width = szHint.width;
922 old_height = szHint.height;
923
924 process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST);
925 process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST);
926
927 classHint.res_name = (char *)rs[Rs_name];
928 classHint.res_class = (char *)RESCLASS;
929
930 wmHint.flags = InputHint | StateHint | WindowGroupHint;
931 wmHint.input = True;
932 wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState;
933 wmHint.window_group = top;
934
935 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc,
936 &szHint, &wmHint, &classHint);
937
938 #if ENABLE_FRILLS
939 if (mwmhints.flags)
940 XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
941 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
942 #endif
943
944 Atom protocols[] = {
945 xa[XA_WM_DELETE_WINDOW],
946 #if ENABLE_EWMH
947 xa[XA_NET_WM_PING],
948 #endif
949 };
950
951 XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
952
953 #if ENABLE_FRILLS
954 if (rs[Rs_transient_for])
955 XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
956 #endif
957
958 #if ENABLE_EWMH
959 long pid = getpid ();
960
961 XChangeProperty (dpy, top,
962 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
963 PropModeReplace, (unsigned char *)&pid, 1);
964
965 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
966 #endif
967
968 XSelectInput (dpy, top,
969 KeyPressMask
970 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
971 | KeyReleaseMask
972 #endif
973 | FocusChangeMask | VisibilityChangeMask
974 | ExposureMask | StructureNotifyMask);
975
976 termwin_ev.start (display, top);
977
978 /* vt cursor: Black-on-White is standard, but this is more popular */
979 TermWin_cursor = XCreateFontCursor (dpy, XC_xterm);
980
981 #ifdef HAVE_SCROLLBARS
982 /* cursor scrollBar: Black-on-White */
983 leftptr_cursor = XCreateFontCursor (dpy, XC_left_ptr);
984 #endif
985
986 /* the vt window */
987 vt = XCreateSimpleWindow (dpy, top,
988 window_vt_x, window_vt_y,
989 width, height,
990 0,
991 pix_colors_focused[Color_fg],
992 pix_colors_focused[Color_bg]);
993
994 attributes.bit_gravity = NorthWestGravity;
995 XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes);
996
997 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
998
999 if (option (Opt_pointerBlank))
1000 vt_emask |= PointerMotionMask;
1001 else
1002 vt_emask |= Button1MotionMask | Button3MotionMask;
1003
1004 vt_select_input ();
1005
1006 vt_ev.start (display, vt);
1007
1008 /* graphics context for the vt window */
1009 gcvalue.foreground = pix_colors[Color_fg];
1010 gcvalue.background = pix_colors[Color_bg];
1011 gcvalue.graphics_exposures = 0;
1012
1013 gc = XCreateGC (dpy, vt,
1014 GCForeground | GCBackground | GCGraphicsExposures,
1015 &gcvalue);
1016
1017 drawable = new rxvt_drawable (this, vt);
1018
1019 #ifdef RXVT_SCROLLBAR
1020 gcvalue.foreground = pix_colors[Color_topShadow];
1021 topShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1022 gcvalue.foreground = pix_colors[Color_bottomShadow];
1023 botShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1024 gcvalue.foreground = pix_colors[ (depth <= 2 ? Color_fg : Color_scroll)];
1025 scrollbarGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1026 #endif
1027
1028 #ifdef OFF_FOCUS_FADING
1029 // initially we are in unfocused state
1030 if (rs[Rs_fade])
1031 pix_colors = pix_colors_unfocused;
1032 #endif
1033
1034 pointer_unblank ();
1035 scr_recolour ();
1036 }
1037
1038 /* ------------------------------------------------------------------------- *
1039 * GET TTY CURRENT STATE *
1040 * ------------------------------------------------------------------------- */
1041 void
1042 rxvt_get_ttymode (ttymode_t *tio, int erase)
1043 {
1044 /*
1045 * standard System V termios interface
1046 */
1047 if (GET_TERMIOS (STDIN_FILENO, tio) < 0)
1048 {
1049 // return error - use system defaults,
1050 // where possible, and zero elsewhere
1051 memset (tio, 0, sizeof (ttymode_t));
1052
1053 tio->c_cc[VINTR] = CINTR;
1054 tio->c_cc[VQUIT] = CQUIT;
1055 tio->c_cc[VERASE] = CERASE;
1056 #ifdef VERASE2
1057 tio->c_cc[VERASE2] = CERASE2;
1058 #endif
1059 tio->c_cc[VKILL] = CKILL;
1060 tio->c_cc[VSTART] = CSTART;
1061 tio->c_cc[VSTOP] = CSTOP;
1062 tio->c_cc[VSUSP] = CSUSP;
1063 # ifdef VDSUSP
1064 tio->c_cc[VDSUSP] = CDSUSP;
1065 # endif
1066 # ifdef VREPRINT
1067 tio->c_cc[VREPRINT] = CRPRNT;
1068 # endif
1069 # ifdef VDISCRD
1070 tio->c_cc[VDISCRD] = CFLUSH;
1071 # endif
1072 # ifdef VWERSE
1073 tio->c_cc[VWERSE] = CWERASE;
1074 # endif
1075 # ifdef VLNEXT
1076 tio->c_cc[VLNEXT] = CLNEXT;
1077 # endif
1078 }
1079
1080 tio->c_cc[VEOF] = CEOF;
1081 tio->c_cc[VEOL] = VDISABLE;
1082 # ifdef VEOL2
1083 tio->c_cc[VEOL2] = VDISABLE;
1084 # endif
1085 # ifdef VSWTC
1086 tio->c_cc[VSWTC] = VDISABLE;
1087 # endif
1088 # ifdef VSWTCH
1089 tio->c_cc[VSWTCH] = VDISABLE;
1090 # endif
1091 # if VMIN != VEOF
1092 tio->c_cc[VMIN] = 1;
1093 # endif
1094 # if VTIME != VEOL
1095 tio->c_cc[VTIME] = 0;
1096 # endif
1097
1098 if (erase != -1)
1099 tio->c_cc[VERASE] = (char)erase;
1100
1101 /* input modes */
1102 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1103 # ifdef IMAXBEL
1104 | IMAXBEL
1105 # endif
1106 | IXON);
1107
1108 /* output modes */
1109 tio->c_oflag = (OPOST | ONLCR);
1110
1111 /* control modes */
1112 tio->c_cflag = (CS8 | CREAD);
1113
1114 /* line discipline modes */
1115 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1116 # if defined (ECHOCTL) && defined (ECHOKE)
1117 | ECHOCTL | ECHOKE
1118 # endif
1119 | ECHOE | ECHOK);
1120
1121 /*
1122 * Debugging
1123 */
1124 #ifdef DEBUG_TTYMODE
1125 #ifdef HAVE_TERMIOS_H
1126 /* c_iflag bits */
1127 fprintf (stderr, "Input flags\n");
1128
1129 /* cpp token stringize doesn't work on all machines <sigh> */
1130 # define FOO(flag,name) \
1131 if ((tio->c_iflag) & flag) \
1132 fprintf (stderr, "%s ", name)
1133
1134 /* c_iflag bits */
1135 FOO (IGNBRK, "IGNBRK");
1136 FOO (BRKINT, "BRKINT");
1137 FOO (IGNPAR, "IGNPAR");
1138 FOO (PARMRK, "PARMRK");
1139 FOO (INPCK, "INPCK");
1140 FOO (ISTRIP, "ISTRIP");
1141 FOO (INLCR, "INLCR");
1142 FOO (IGNCR, "IGNCR");
1143 FOO (ICRNL, "ICRNL");
1144 FOO (IXON, "IXON");
1145 FOO (IXOFF, "IXOFF");
1146 # ifdef IUCLC
1147 FOO (IUCLC, "IUCLC");
1148 # endif
1149 # ifdef IXANY
1150 FOO (IXANY, "IXANY");
1151 # endif
1152 # ifdef IMAXBEL
1153 FOO (IMAXBEL, "IMAXBEL");
1154 # endif
1155
1156 fprintf (stderr, "\n");
1157
1158 # undef FOO
1159 # define FOO(entry, name) \
1160 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1161
1162 FOO (VINTR, "VINTR");
1163 FOO (VQUIT, "VQUIT");
1164 FOO (VERASE, "VERASE");
1165 FOO (VKILL, "VKILL");
1166 FOO (VEOF, "VEOF");
1167 FOO (VEOL, "VEOL");
1168 # ifdef VEOL2
1169 FOO (VEOL2, "VEOL2");
1170 # endif
1171 # ifdef VSWTC
1172 FOO (VSWTC, "VSWTC");
1173 # endif
1174 # ifdef VSWTCH
1175 FOO (VSWTCH, "VSWTCH");
1176 # endif
1177 FOO (VSTART, "VSTART");
1178 FOO (VSTOP, "VSTOP");
1179 FOO (VSUSP, "VSUSP");
1180 # ifdef VDSUSP
1181 FOO (VDSUSP, "VDSUSP");
1182 # endif
1183 # ifdef VREPRINT
1184 FOO (VREPRINT, "VREPRINT");
1185 # endif
1186 # ifdef VDISCRD
1187 FOO (VDISCRD, "VDISCRD");
1188 # endif
1189 # ifdef VWERSE
1190 FOO (VWERSE, "VWERSE");
1191 # endif
1192 # ifdef VLNEXT
1193 FOO (VLNEXT, "VLNEXT");
1194 # endif
1195
1196 fprintf (stderr, "\n");
1197 # undef FOO
1198 # endif /* HAVE_TERMIOS_H */
1199 #endif /* DEBUG_TTYMODE */
1200 }
1201
1202 /*----------------------------------------------------------------------*/
1203 /*
1204 * Run the command in a subprocess and return a file descriptor for the
1205 * master end of the pseudo-teletype pair with the command talking to
1206 * the slave.
1207 */
1208 void
1209 rxvt_term::run_command (const char *const *argv)
1210 {
1211 #if ENABLE_FRILLS
1212 if (rs[Rs_pty_fd])
1213 {
1214 pty->pty = atoi (rs[Rs_pty_fd]);
1215
1216 if (pty->pty >= 0)
1217 {
1218 if (getfd_hook)
1219 pty->pty = (*getfd_hook) (pty->pty);
1220
1221 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1222 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1223 }
1224 }
1225 else
1226 #endif
1227 if (!pty->get ())
1228 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1229
1230 int er;
1231
1232 #ifndef NO_BACKSPACE_KEY
1233 if (rs[Rs_backspace_key][0] && !rs[Rs_backspace_key][1])
1234 er = rs[Rs_backspace_key][0];
1235 else if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
1236 er = '\177'; /* the initial state anyway */
1237 else
1238 #endif
1239 er = -1;
1240
1241 rxvt_get_ttymode (&tio, er);
1242 SET_TERMIOS (pty->tty, &tio); /* init terminal attributes */
1243 pty->set_utf8_mode (enc_utf8);
1244
1245 /* set initial window size */
1246 tt_winch ();
1247
1248 #if ENABLE_FRILLS
1249 if (rs[Rs_pty_fd])
1250 return;
1251 #endif
1252
1253 /* spin off the command interpreter */
1254 switch (cmd_pid = fork ())
1255 {
1256 case -1:
1257 {
1258 cmd_pid = 0;
1259 rxvt_fatal ("can't fork, aborting.\n");
1260 }
1261 case 0:
1262 init_env ();
1263
1264 if (!pty->make_controlling_tty ())
1265 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1266 else
1267 {
1268 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1269 dup2 (pty->tty, STDIN_FILENO);
1270 dup2 (pty->tty, STDOUT_FILENO);
1271 dup2 (pty->tty, STDERR_FILENO);
1272
1273 // close all our file handles that we do no longer need
1274 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1275 {
1276 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1277 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1278 }
1279
1280 run_child (argv);
1281 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1282 }
1283
1284 _exit (EXIT_FAILURE);
1285
1286 default:
1287 if (!option (Opt_utmpInhibit))
1288 pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]);
1289
1290 pty->close_tty ();
1291
1292 child_ev.start (cmd_pid);
1293
1294 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1295 break;
1296 }
1297 }
1298
1299 /* ------------------------------------------------------------------------- *
1300 * CHILD PROCESS OPERATIONS *
1301 * ------------------------------------------------------------------------- */
1302 /*
1303 * The only open file descriptor is the slave tty - so no error messages.
1304 * returns are fatal
1305 */
1306 int
1307 rxvt_term::run_child (const char *const *argv)
1308 {
1309 char *login;
1310
1311 if (option (Opt_console))
1312 { /* be virtual console, fail silently */
1313 #ifdef TIOCCONS
1314 unsigned int on = 1;
1315
1316 ioctl (STDIN_FILENO, TIOCCONS, &on);
1317 #elif defined (SRIOCSREDIR)
1318 int fd;
1319
1320 fd = open (CONSOLE, O_WRONLY, 0);
1321 if (fd >= 0)
1322 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1323 close (fd);
1324 #endif /* SRIOCSREDIR */
1325 }
1326
1327 /* reset signals and spin off the command interpreter */
1328 signal (SIGINT, SIG_DFL);
1329 signal (SIGQUIT, SIG_DFL);
1330 signal (SIGCHLD, SIG_DFL);
1331 signal (SIGHUP, SIG_DFL);
1332 signal (SIGPIPE, SIG_DFL);
1333 /*
1334 * mimick login's behavior by disabling the job control signals
1335 * a shell that wants them can turn them back on
1336 */
1337 #ifdef SIGTSTP
1338 signal (SIGTSTP, SIG_IGN);
1339 signal (SIGTTIN, SIG_IGN);
1340 signal (SIGTTOU, SIG_IGN);
1341 #endif /* SIGTSTP */
1342
1343 // unblock signals (signals are blocked by iom.C
1344 sigset_t ss;
1345 sigemptyset (&ss);
1346 sigprocmask (SIG_SETMASK, &ss, 0);
1347
1348 /* command interpreter path */
1349 if (argv)
1350 {
1351 # ifdef DEBUG_CMD
1352 int i;
1353
1354 for (i = 0; argv[i]; i++)
1355 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1356 # endif
1357
1358 execvp (argv[0], (char *const *)argv);
1359 /* no error message: STDERR is closed! */
1360 }
1361 else
1362 {
1363 const char *argv0, *shell;
1364
1365 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1366 shell = "/bin/sh";
1367
1368 argv0 = (const char *)rxvt_basename (shell);
1369
1370 if (option (Opt_loginShell))
1371 {
1372 login = (char *)rxvt_malloc (strlen (argv0) + 2);
1373
1374 login[0] = '-';
1375 strcpy (&login[1], argv0);
1376 argv0 = login;
1377 }
1378
1379 execlp (shell, argv0, (char *)0);
1380 /* no error message: STDERR is closed! */
1381 }
1382
1383 return -1;
1384 }
1385
1386 /*----------------------- end-of-file (C source) -----------------------*/