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/cvs/rxvt-unicode/src/xdefaults.C
Revision: 1.19
Committed: Mon Mar 22 15:15:04 2004 UTC (20 years, 3 months ago) by pcg
Content type: text/plain
Branch: MAIN
CVS Tags: rel-2_5
Changes since 1.17: +54 -44 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: xdefaults.c
3 *----------------------------------------------------------------------*
4 * $Id: xdefaults.C,v 1.18 2004/03/17 03:47:14 pcg Exp $
5 *
6 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
8 * - original version
9 * Copyright (c) 1997,1998 mj olesen <olesen@me.queensu.ca>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *----------------------------------------------------------------------*/
25 /*----------------------------------------------------------------------*
26 * get resources from ~/.Xdefaults or ~/.Xresources with the memory-saving
27 * default or with XGetDefault() (#define USE_XGETDEFAULT)
28 *----------------------------------------------------------------------*/
29
30 #include "../config.h" /* NECESSARY */
31 #include "rxvt.h" /* NECESSARY */
32 #include "version.h"
33 #include "xdefaults.intpro" /* PROTOS for internal routines */
34
35 /* #define DEBUG_RESOURCES */
36
37 static const char *const xnames[2] = { ".Xdefaults", ".Xresources" };
38
39 /*{{{ monolithic option/resource structure: */
40 /*
41 * `string' options MUST have a usage argument
42 * `switch' and `boolean' options have no argument
43 * if there's no desc (ription), it won't appear in rxvt_usage ()
44 */
45
46 /* INFO () - descriptive information only */
47 #define INFO(opt, arg, desc) \
48 {0, -1, NULL, (opt), (arg), (desc)}
49
50 /* STRG () - command-line option, with/without resource */
51 #define STRG(rsp, kw, opt, arg, desc) \
52 {0, (rsp), (kw), (opt), (arg), (desc)}
53
54 /* RSTRG () - resource/long-option */
55 #define RSTRG(rsp, kw, arg) \
56 {0, (rsp), (kw), NULL, (arg), NULL}
57
58 /* BOOL () - regular boolean `-/+' flag */
59 #define BOOL(rsp, kw, opt, flag, desc) \
60 { (Opt_Boolean| (flag)), (rsp), (kw), (opt), NULL, (desc)}
61
62 /* SWCH () - `-' flag */
63 #define SWCH(opt, flag, desc) \
64 { (flag), -1, NULL, (opt), NULL, (desc)}
65
66 /* convenient macros */
67 #define optList_strlen(i) \
68 (optList[i].flag ? 0 : (optList[i].arg ? STRLEN (optList[i].arg) : 1))
69 #define optList_isBool(i) \
70 (optList[i].flag & Opt_Boolean)
71 #define optList_isReverse(i) \
72 (optList[i].flag & Opt_Reverse)
73 #define optList_size() \
74 (sizeof (optList) / sizeof (optList[0]))
75
76 static const struct
77 {
78 const unsigned long flag; /* Option flag */
79 const int doff; /* data offset */
80 const char *kw; /* keyword */
81 const char *opt; /* option */
82 const char *arg; /* argument */
83 const char *desc; /* description */
84 }
85 optList[] = {
86 STRG (Rs_display_name, NULL, "d", NULL, NULL), /* short form */
87 STRG (Rs_display_name, NULL, "display", "string", "X server to contact"),
88 STRG (Rs_term_name, "termName", "tn", "string",
89 "value of the TERM environment variable"),
90 STRG (Rs_geometry, NULL, "g", NULL, NULL), /* short form */
91 STRG (Rs_geometry, "geometry", "geometry", "geometry",
92 "size (in characters) and position"),
93 SWCH ("C", Opt_console, "intercept console messages"),
94 SWCH ("iconic", Opt_iconic, "start iconic"),
95 SWCH ("ic", Opt_iconic, NULL), /* short form */
96 BOOL (Rs_reverseVideo, "reverseVideo", "rv", Opt_reverseVideo,
97 "reverse video"),
98 BOOL (Rs_loginShell, "loginShell", "ls", Opt_loginShell, "login shell"),
99 BOOL (Rs_jumpScroll, "jumpScroll", "j", Opt_jumpScroll, "jump scrolling"),
100 #ifdef HAVE_SCROLLBARS
101 BOOL (Rs_scrollBar, "scrollBar", "sb", Opt_scrollBar, "scrollbar"),
102 BOOL (Rs_scrollBar_right, "scrollBar_right", "sr", Opt_scrollBar_right,
103 "scrollbar right"),
104 BOOL (Rs_scrollBar_floating, "scrollBar_floating", "st",
105 Opt_scrollBar_floating, "scrollbar without a trough"),
106 #endif
107 BOOL (Rs_scrollTtyOutput, "scrollTtyOutput", NULL, Opt_scrollTtyOutput,
108 NULL),
109 BOOL (Rs_scrollTtyOutput, NULL, "si", Opt_Reverse | Opt_scrollTtyOutput,
110 "scroll-on-tty-output inhibit"),
111 BOOL (Rs_scrollTtyKeypress, "scrollTtyKeypress", "sk", Opt_scrollTtyKeypress,
112 "scroll-on-keypress"),
113 BOOL (Rs_scrollWithBuffer, "scrollWithBuffer", "sw", Opt_scrollWithBuffer,
114 "scroll-with-buffer"),
115 #ifdef TRANSPARENT
116 BOOL (Rs_transparent, "inheritPixmap", "ip", Opt_transparent,
117 "inherit parent pixmap"),
118 BOOL (Rs_transparent_all, "inheritPixmapforce", "ipf", Opt_transparent_all,
119 "forcefully inherit root pixmap"),
120 SWCH ("tr", Opt_transparent, NULL),
121 #endif
122 BOOL (Rs_utmpInhibit, "utmpInhibit", "ut", Opt_utmpInhibit, "utmp inhibit"),
123 #ifndef NO_BELL
124 BOOL (Rs_visualBell, "visualBell", "vb", Opt_visualBell, "visual bell"),
125 # if ! defined(NO_MAPALERT) && defined(MAPALERT_OPTION)
126 BOOL (Rs_mapAlert, "mapAlert", NULL, Opt_mapAlert, NULL),
127 # endif
128 #endif
129 #ifdef META8_OPTION
130 BOOL (Rs_meta8, "meta8", NULL, Opt_meta8, NULL),
131 #endif
132 #ifdef MOUSE_WHEEL
133 BOOL (Rs_mouseWheelScrollPage, "mouseWheelScrollPage", NULL, Opt_mouseWheelScrollPage,
134 NULL),
135 #endif
136 #ifndef NO_FRILLS
137 BOOL (Rs_tripleclickwords, "tripleclickwords", "tcw", Opt_tripleclickwords,
138 "triple click word selection"),
139 #endif
140 #ifdef CURSOR_BLINK
141 BOOL (Rs_cursorBlink, "cursorBlink", "bc", Opt_cursorBlink, "blinking cursor"),
142 #endif
143 #ifdef POINTER_BLANK
144 BOOL (Rs_pointerBlank, "pointerBlank", "pb", Opt_pointerBlank, "switch off pointer after delay"),
145 #endif
146 STRG (Rs_color + Color_bg, "background", "bg", "color", "background color"),
147 STRG (Rs_color + Color_fg, "foreground", "fg", "color", "foreground color"),
148 RSTRG (Rs_color + minCOLOR + 0, "color0", "color"),
149 RSTRG (Rs_color + minCOLOR + 1, "color1", "color"),
150 RSTRG (Rs_color + minCOLOR + 2, "color2", "color"),
151 RSTRG (Rs_color + minCOLOR + 3, "color3", "color"),
152 RSTRG (Rs_color + minCOLOR + 4, "color4", "color"),
153 RSTRG (Rs_color + minCOLOR + 5, "color5", "color"),
154 RSTRG (Rs_color + minCOLOR + 6, "color6", "color"),
155 RSTRG (Rs_color + minCOLOR + 7, "color7", "color"),
156 #ifndef NO_BRIGHTCOLOR
157 RSTRG (Rs_color + minBrightCOLOR + 0, "color8", "color"),
158 RSTRG (Rs_color + minBrightCOLOR + 1, "color9", "color"),
159 RSTRG (Rs_color + minBrightCOLOR + 2, "color10", "color"),
160 RSTRG (Rs_color + minBrightCOLOR + 3, "color11", "color"),
161 RSTRG (Rs_color + minBrightCOLOR + 4, "color12", "color"),
162 RSTRG (Rs_color + minBrightCOLOR + 5, "color13", "color"),
163 RSTRG (Rs_color + minBrightCOLOR + 6, "color14", "color"),
164 RSTRG (Rs_color + minBrightCOLOR + 7, "color15", "color"),
165 #endif /* NO_BRIGHTCOLOR */
166 #ifndef NO_BOLD_UNDERLINE_REVERSE
167 RSTRG (Rs_color + Color_BD, "colorBD", "color"),
168 RSTRG (Rs_color + Color_UL, "colorUL", "color"),
169 RSTRG (Rs_color + Color_RV, "colorRV", "color"),
170 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
171 #ifdef KEEP_SCROLLCOLOR
172 RSTRG (Rs_color + Color_scroll, "scrollColor", "color"),
173 RSTRG (Rs_color + Color_trough, "troughColor", "color"),
174 #endif /* KEEP_SCROLLCOLOR */
175 #ifdef OPTION_HC
176 STRG (Rs_color + Color_HC, "highlightColor", "hc", "color", "highlight color"),
177 #endif
178 #if defined (XPM_BACKGROUND) || (MENUBAR_MAX)
179 RSTRG (Rs_path, "path", "search path"),
180 #endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */
181 #ifdef XPM_BACKGROUND
182 STRG (Rs_backgroundPixmap, "backgroundPixmap", "pixmap", "file[;geom]",
183 "background pixmap"),
184 #endif /* XPM_BACKGROUND */
185 #if (MENUBAR_MAX)
186 RSTRG (Rs_menu, "menu", "name[;tag]"),
187 #endif
188 STRG (Rs_font, "font", "fn", "fontname", "normal text font"),
189 /* fonts: command-line option = resource name */
190 #ifdef USE_XIM
191 STRG (Rs_inputMethod, "inputMethod", "im", "name", "name of input method"),
192 STRG (Rs_preeditType, "preeditType", "pt", "style",
193 "input style: style = OverTheSpot|OffTheSpot|Root"),
194 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
195 STRG (Rs_imLocale, "imLocale", "imlocale", "string", "locale to use for input method"),
196 #endif
197 #endif /* USE_XIM */
198 STRG (Rs_name, NULL, "name", "string",
199 "client instance, icon, and title strings"),
200 STRG (Rs_title, "title", "title", "string", "title name for window"),
201 STRG (Rs_title, NULL, "T", NULL, NULL), /* short form */
202 STRG (Rs_iconName, "iconName", "n", "string", "icon name for window"),
203 #ifndef NO_CURSORCOLOR
204 STRG (Rs_color + Color_cursor, "cursorColor", "cr", "color", "cursor color"),
205 /* command-line option = resource name */
206 RSTRG (Rs_color + Color_cursor2, "cursorColor2", "color"),
207 #endif /* NO_CURSORCOLOR */
208 STRG (Rs_color + Color_pointer, "pointerColor", "pr", "color",
209 "pointer color"),
210 STRG (Rs_color + Color_border, "borderColor", "bd", "color",
211 "border color"),
212 STRG (Rs_saveLines, "saveLines", "sl", "number",
213 "number of scrolled lines to save"),
214 #ifndef NO_FRILLS
215 STRG (Rs_ext_bwidth, "externalBorder", "w", "number",
216 "external border in pixels"),
217 STRG (Rs_ext_bwidth, NULL, "bw", NULL, NULL),
218 STRG (Rs_ext_bwidth, NULL, "borderwidth", NULL, NULL),
219 STRG (Rs_int_bwidth, "internalBorder", "b", "number",
220 "internal border in pixels"),
221 #endif
222 #ifndef NO_LINESPACE
223 STRG (Rs_lineSpace, "lineSpace", "lsp", "number",
224 "number of extra pixels between rows"),
225 #endif
226 STRG (Rs_scrollBar_thickness, "thickness", "sbt", "number",
227 "scrollbar thickness/width in pixels"),
228 #ifdef POINTER_BLANK
229 RSTRG (Rs_pointerBlankDelay, "pointerBlankDelay", "number"),
230 #endif
231 #ifndef NO_BACKSPACE_KEY
232 RSTRG (Rs_backspace_key, "backspacekey", "string"),
233 #endif
234 #ifndef NO_DELETE_KEY
235 RSTRG (Rs_delete_key, "deletekey", "string"),
236 #endif
237 RSTRG (Rs_selectstyle, "selectstyle", "mode"),
238 RSTRG (Rs_scrollstyle, "scrollstyle", "mode"),
239 #ifdef HAVE_SCROLLBARS
240 RSTRG (Rs_scrollBar_align, "scrollBar_align", "mode"),
241 #endif
242 #ifdef PRINTPIPE
243 RSTRG (Rs_print_pipe, "print-pipe", "string"),
244 #endif
245 STRG (Rs_modifier, "modifier", "mod", "modifier",
246 "meta modifier = alt|meta|hyper|super|mod1|...|mod5"),
247 INFO ("xrm", "string", "X resource"),
248 #ifdef CUTCHAR_RESOURCE
249 RSTRG (Rs_cutchars, "cutchars", "string"),
250 #endif /* CUTCHAR_RESOURCE */
251 RSTRG (Rs_answerbackstring, "answerbackString", "string"),
252 INFO ("e", "command arg ...", "command to execute")
253 };
254
255 #undef INFO
256 #undef STRG
257 #undef RSTRG
258 #undef SWCH
259 #undef BOOL
260 /*}}} */
261
262 static const char releasestring[] = "Rxvt v" VERSION " - released: " DATE "\n";
263 static const char optionsstring[] = "Options: "
264 #if defined(XPM_BACKGROUND)
265 "XPM,"
266 #endif
267 #if defined(TRANSPARENT)
268 "transparent,"
269 #endif
270 #if defined(UTMP_SUPPORT)
271 "utmp,"
272 #endif
273 #if defined(MENUBAR)
274 "menubar,"
275 #endif
276 #if !defined(NO_FRILLS)
277 "frills,"
278 #endif
279 #if !defined(NO_LINESPACE)
280 "linespace,"
281 #endif
282 #if defined(PREFER_24BIT)
283 "24bit,"
284 #endif
285 #if defined(USE_XIM)
286 "XIM,"
287 #endif
288 "scrollbars="
289 #if !defined(HAVE_SCROLLBARS)
290 "NONE"
291 #else
292 # if defined(PLAIN_SCROLLBAR)
293 "plain"
294 # if defined(RXVT_SCROLLBAR) || defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)
295 "+"
296 # endif
297 # endif
298 # if defined(RXVT_SCROLLBAR)
299 "rxvt"
300 # if defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)
301 "+"
302 # endif
303 # endif
304 # if defined(NEXT_SCROLLBAR)
305 "NeXT"
306 # if defined(XTERM_SCROLLBAR)
307 "+"
308 # endif
309 # endif
310 # if defined(XTERM_SCROLLBAR)
311 "xterm"
312 # endif
313 #endif
314 ","
315 #if defined(NO_BACKSPACE_KEY)
316 "no_backspace,"
317 #endif
318 #if defined(NO_DELETE_KEY)
319 "no_delete,"
320 #endif
321 #if !defined(NO_STRINGS)
322 "strings,"
323 #endif
324 #if defined(TTY_256COLOR)
325 "256colour,"
326 #endif
327 #if defined(NO_RESOURCES)
328 "NoResources"
329 #else
330 # if defined(USE_XGETDEFAULT)
331 "XGetDefaults"
332 # else
333 ".Xdefaults"
334 # endif
335 #endif
336 "\nUsage: "; /* Usage */
337
338 #define INDENT 18
339
340 /*{{{ usage: */
341 /*----------------------------------------------------------------------*/
342 static void
343 rxvt_usage (int type)
344 {
345 unsigned int i, col;
346
347 rxvt_log ("%s%s%s", releasestring, optionsstring, RESNAME);
348
349 switch (type)
350 {
351 case 0: /* brief listing */
352 rxvt_log (" [-help] [--help]\n");
353
354 for (col = 1, i = 0; i < optList_size (); i++)
355 if (optList[i].desc != NULL)
356 {
357 int len = 0;
358
359 if (!optList_isBool (i))
360 {
361 len = optList_strlen (i);
362 if (len > 0)
363 len++; /* account for space */
364 }
365 #ifdef DEBUG_STRICT
366 assert (optList[i].opt != NULL);
367 #endif
368 len += 4 + STRLEN (optList[i].opt) + (optList_isBool (i) ? 2: 0);
369 col += len;
370 if (col > 79)
371 { /* assume regular width */
372 rxvt_log ("\n");
373 col = 1 + len;
374 }
375
376 rxvt_log (" [-%s%s", (optList_isBool (i) ? "/+" : ""), optList[i].opt);
377 if (optList_strlen (i))
378 rxvt_log (" %s]", optList[i].arg);
379 else
380 rxvt_log ("]");
381 }
382 break;
383
384 case 1: /* full command-line listing */
385 rxvt_log (" [options] [-e command args]\n\nwhere options include:\n");
386
387 for (i = 0; i < optList_size (); i++)
388 if (optList[i].desc != NULL)
389 {
390 #ifdef DEBUG_STRICT
391 assert (optList[i].opt != NULL);
392 #endif
393 rxvt_log (" %s%s %-*s%s%s\n",
394 (optList_isBool (i) ? "-/+" : "-"), optList[i].opt,
395 (INDENT - STRLEN (optList[i].opt)
396 + (optList_isBool (i) ? 0 : 2)),
397 (optList[i].arg ? optList[i].arg : ""),
398 (optList_isBool (i) ? "turn on/off " : ""),
399 optList[i].desc);
400 }
401 rxvt_log ("\n --help to list long-options");
402 break;
403
404 case 2: /* full resource listing */
405 rxvt_log (" [options] [-e command args]\n\n"
406 "where resources (long-options) include:\n");
407
408 for (i = 0; i < optList_size (); i++)
409 if (optList[i].kw != NULL)
410 rxvt_log (" %s: %*s%s\n",
411 optList[i].kw,
412 (INDENT - STRLEN (optList[i].kw)), "", /* XXX */
413 (optList_isBool (i) ? "boolean" : optList[i].arg));
414 #ifdef KEYSYM_RESOURCE
415 rxvt_log (" " "keysym.sym" ": %*s%s\n",
416 (INDENT - sizeof ("keysym.sym") + 1), "", /* XXX */
417 "keysym");
418 #endif
419 rxvt_log ("\n -help to list options");
420 break;
421 }
422
423 rxvt_log ("\n\n");
424 rxvt_exit_failure ();
425 /* NOTREACHED */
426 }
427
428 /*}}} */
429
430 /*{{{ get command-line options before getting resources */
431 void
432 rxvt_term::get_options (int argc, const char *const *argv)
433 {
434 int i, bad_option = 0;
435 static const char On[3] = "ON", Off[4] = "OFF";
436
437 for (i = 1; i < argc; i++)
438 {
439 unsigned int entry, longopt = 0;
440 const char *flag, *opt;
441
442 opt = argv[i];
443 #ifdef DEBUG_RESOURCES
444 fprintf (stderr, "argv[%d] = %s: ", i, opt);
445 #endif
446 if (*opt == '-')
447 {
448 flag = On;
449 if (*++opt == '-')
450 longopt = *opt++; /* long option */
451 }
452 else if (*opt == '+')
453 {
454 flag = Off;
455 if (*++opt == '+')
456 longopt = *opt++; /* long option */
457 }
458 else
459 {
460 bad_option = 1;
461 rxvt_warn ("\"%s\": malformed option.\n", opt);
462 continue;
463 }
464
465 if (!STRCMP (opt, "help"))
466 rxvt_usage (longopt ? 2 : 1);
467 if (!STRCMP (opt, "h"))
468 rxvt_usage (0);
469
470 /* feature: always try to match long-options */
471 for (entry = 0; entry < optList_size (); entry++)
472 if ((optList[entry].kw && !STRCMP (opt, optList[entry].kw))
473 || (!longopt
474 && optList[entry].opt && !STRCMP (opt, optList[entry].opt)))
475 break;
476
477 if (entry < optList_size ())
478 {
479 if (optList_isReverse (entry))
480 flag = flag == On ? Off : On;
481 if (optList_strlen (entry))
482 { /* string value */
483 const char *str = argv[++i];
484
485 #ifdef DEBUG_RESOURCES
486 fprintf (stderr, "string (%s,%s) = ",
487 optList[entry].opt ? optList[entry].opt : "nil",
488 optList[entry].kw ? optList[entry].kw : "nil");
489 #endif
490 if (flag == On && str && (optList[entry].doff != -1))
491 {
492 #ifdef DEBUG_RESOURCES
493 fprintf (stderr, "\"%s\"\n", str);
494 #endif
495 rs[optList[entry].doff] = str;
496 /*
497 * special cases are handled in main.c:main () to allow
498 * X resources to set these values before we settle for
499 * default values
500 */
501 }
502 #ifdef DEBUG_RESOURCES
503 else
504 fprintf (stderr, "???\n");
505 #endif
506
507 }
508 else
509 { /* boolean value */
510 #ifdef DEBUG_RESOURCES
511 fprintf (stderr, "boolean (%s,%s) = %s\n",
512 optList[entry].opt, optList[entry].kw, flag);
513 #endif
514 if (flag == On)
515 Options |= (optList[entry].flag);
516 else
517 Options &= ~ (optList[entry].flag);
518
519 if (optList[entry].doff != -1)
520 rs[optList[entry].doff] = flag;
521 }
522 }
523 else
524 #ifdef KEYSYM_RESOURCE
525 /* if (!STRNCMP (opt, "keysym.", sizeof ("keysym.") - 1)) */
526 if (rxvt_Str_match (opt, "keysym."))
527 {
528 const char *str = argv[++i];
529
530 if (str != NULL)
531 parse_keysym (opt + sizeof ("keysym.") - 1, str);
532 }
533 else
534 #endif
535 {
536 bad_option = 1;
537 rxvt_warn ("\"%s\": unknown or malformed option.\n", opt);
538 }
539 }
540
541 if (bad_option)
542 rxvt_usage (0);
543 }
544
545 /*}}} */
546
547 #ifndef NO_RESOURCES
548 /*----------------------------------------------------------------------*/
549
550 # ifdef KEYSYM_RESOURCE
551 /*
552 * Define key from XrmEnumerateDatabase.
553 * quarks will be something like
554 * "rxvt" "keysym" "0xFF01"
555 * value will be a string
556 */
557 /* ARGSUSED */
558 int
559 rxvt_define_key (XrmDatabase *database __attribute__((unused)),
560 XrmBindingList bindings __attribute__((unused)),
561 XrmQuarkList quarks,
562 XrmRepresentation *type __attribute__((unused)),
563 XrmValue *value,
564 XPointer closure __attribute__((unused)))
565 {
566 int last;
567
568 for (last = 0; quarks[last] != NULLQUARK; last++) /* look for last quark in list */
569 ;
570 last--;
571 GET_R->parse_keysym (XrmQuarkToString (quarks[last]), (char *)value->addr);//D//TODO
572 return False;
573 }
574
575 /*
576 * look for something like this (XK_Delete)
577 * rxvt*keysym.0xFFFF: "\177"
578 *
579 * arg will be
580 * NULL for ~/.Xdefaults and
581 * non-NULL for command-line options (need to allocate)
582 */
583 #define NEWARGLIM 500 /* `reasonable' size */
584 int
585 rxvt_term::parse_keysym (const char *str, const char *arg)
586 {
587 int n, sym;
588 char *key_string, *newarg = NULL;
589 char newargstr[NEWARGLIM];
590
591 if (arg == NULL)
592 {
593 if ((n = rxvt_Str_match (str, "keysym.")) == 0)
594 return 0;
595 str += n; /* skip `keysym.' */
596 }
597 /* some scanf () have trouble with a 0x prefix */
598 if (isdigit (str[0]))
599 {
600 if (str[0] == '0' && toupper (str[1]) == 'X')
601 str += 2;
602 if (arg)
603 {
604 if (sscanf (str, (STRCHR (str, ':') ? "%x:" : "%x"), &sym) != 1)
605 return -1;
606 }
607 else
608 {
609 if (sscanf (str, "%x:", &sym) != 1)
610 return -1;
611
612 /* cue to ':', it's there since sscanf () worked */
613 STRNCPY (newargstr, STRCHR (str, ':') + 1, NEWARGLIM - 1);
614 newargstr[NEWARGLIM - 1] = '\0';
615 newarg = newargstr;
616 }
617 }
618 else
619 {
620 /*
621 * convert keysym name to keysym number
622 */
623 STRNCPY (newargstr, str, NEWARGLIM - 1);
624 newargstr[NEWARGLIM - 1] = '\0';
625 if (arg == NULL)
626 {
627 if ((newarg = STRCHR (newargstr, ':')) == NULL)
628 return -1;
629 *newarg++ = '\0'; /* terminate keysym name */
630 }
631 if ((sym = XStringToKeysym (newargstr)) == None)
632 return -1;
633 }
634
635 if (sym < 0xFF00 || sym > 0xFFFF) /* we only do extended keys */
636 return -1;
637 sym &= 0xFF;
638 if (Keysym_map[sym] != NULL) /* already set ? */
639 return -1;
640
641 if (newarg == NULL)
642 {
643 STRNCPY (newargstr, arg, NEWARGLIM - 1);
644 newargstr[NEWARGLIM - 1] = '\0';
645 newarg = newargstr;
646 }
647 rxvt_Str_trim (newarg);
648 if (*newarg == '\0' || (n = rxvt_Str_escaped (newarg)) == 0)
649 return -1;
650 MIN_IT (n, 255);
651 key_string = (char *)rxvt_malloc ((n + 1) * sizeof (char));
652
653 key_string[0] = n;
654 STRNCPY (key_string + 1, newarg, n);
655 Keysym_map[sym] = (unsigned char *)key_string;
656
657 return 1;
658 }
659
660 # endif /* KEYSYM_RESOURCE */
661
662 # ifndef USE_XGETDEFAULT
663 /*{{{ rxvt_get_xdefaults () */
664 /*
665 * the matching algorithm used for memory-save fake resources
666 */
667 void
668 rxvt_term::get_xdefaults (FILE *stream, const char *name)
669 {
670 unsigned int len;
671 char *str, buffer[256];
672
673 if (stream == NULL)
674 return;
675
676 len = STRLEN (name);
677 while ((str = fgets (buffer, sizeof (buffer), stream)) != NULL)
678 {
679 unsigned int entry, n;
680
681 while (*str && isspace (*str))
682 str++; /* leading whitespace */
683
684 if ((str[len] != '*' && str[len] != '.')
685 || (len && STRNCMP (str, name, len)))
686 continue;
687 str += (len + 1); /* skip `name*' or `name.' */
688
689 # ifdef KEYSYM_RESOURCE
690 if (!parse_keysym (str, NULL))
691 # endif /* KEYSYM_RESOURCE */
692 for (entry = 0; entry < optList_size (); entry++)
693 {
694 const char *kw = optList[entry].kw;
695
696 if (kw == NULL)
697 continue;
698
699 n = STRLEN (kw);
700 if (str[n] == ':' && rxvt_Str_match (str, kw))
701 {
702 /* skip `keyword:' */
703 str += n + 1;
704 rxvt_Str_trim (str);
705 n = STRLEN (str);
706 if (n && rs[optList[entry].doff] == NULL)
707 {
708 /* not already set */
709 int s;
710 char *p = 0;
711
712 for (int o = 0;;)
713 {
714 p = (char *)rxvt_realloc (p, o + n + 1);
715 MEMCPY (p + o, str, n);
716 o += n;
717 p[o] = 0;
718
719 if (o == 0 || p[o - 1] != '\\') // continuation line
720 break;
721
722 o--; // eat "\"
723
724 if ((str = fgets (buffer, sizeof (buffer), stream)) == NULL)
725 break;
726
727 rxvt_Str_trim (str);
728 n = STRLEN (str);
729 }
730
731 rs[optList[entry].doff] = p;
732 allocated.push_back (p);
733
734 if (optList_isBool (entry))
735 {
736 s = STRCASECMP (str, "TRUE") == 0
737 || STRCASECMP (str, "YES") == 0
738 || STRCASECMP (str, "ON") == 0
739 || STRCASECMP (str, "1") == 0;
740
741 if (optList_isReverse (entry))
742 s = !s;
743
744 if (s)
745 Options |= optList[entry].flag;
746 else
747 Options &= ~optList[entry].flag;
748 }
749 }
750
751 break;
752 }
753 }
754 }
755
756 rewind (stream);
757 }
758
759 /*}}} */
760 # endif /* ! USE_XGETDEFAULT */
761 #endif /* NO_RESOURCES */
762
763 /*{{{ read the resources files */
764 /*
765 * using XGetDefault () or the hand-rolled replacement
766 */
767 /* ARGSUSED */
768 void
769 rxvt_term::extract_resources (Display *display __attribute__ ((unused)), const char *name)
770 {
771 #ifndef NO_RESOURCES
772
773 # if defined XAPPLOADDIR
774 # if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
775 /* Compute the path of the possibly available localized Rxvt file */
776 char *localepath = NULL;
777
778 if (locale != NULL)
779 { /* XXX: must limit length of string */
780 localepath = (char *)rxvt_malloc (256);
781 sprintf (localepath, XAPPLOADDIRLOCALE "/" RESCLASS,
782 (int) (258 - sizeof (XAPPLOADDIRLOCALE) - sizeof (RESCLASS)),
783 locale); /* 258 = 255 + 4 (-.*s) - 1 (/) */
784 }
785
786 {
787 # endif
788 # endif
789
790 # ifdef USE_XGETDEFAULT
791 /*
792 * get resources using the X library function
793 */
794 int entry;
795
796 # ifdef XrmEnumOneLevel
797 int i;
798 char *displayResource, *xe;
799 XrmName name_prefix[3];
800 XrmClass class_prefix[3];
801 XrmDatabase database, rdb1;
802 char fname[1024];
803
804 XrmInitialize ();
805 database = NULL;
806
807 /* Get any Xserver defaults */
808
809 displayResource = XResourceManagerString (display);
810 if (displayResource != NULL)
811 database = XrmGetStringDatabase (displayResource);
812
813 # ifdef HAVE_EXTRA_XRESOURCE_FILES
814 /* Add in ~/.Xdefaults or ~/.Xresources */
815 {
816 char *ptr;
817
818 if ((ptr = (char *)getenv ("HOME")) == NULL)
819 ptr = ".";
820
821 for (i = 0; i < (sizeof (xnames) / sizeof (xnames[0])); i++)
822 {
823 sprintf (fname, "%-.*s/%s", sizeof (fname) - STRLEN (xnames[i]) - 2,
824 ptr, xnames[i]);
825 if ((rdb1 = XrmGetFileDatabase (fname)))
826 {
827 XrmMergeDatabases (rdb1, &database);
828 # ifndef HAVE_BOTH_XRESOURCE_FILES
829 break;
830 # endif
831
832 }
833 }
834 }
835 # endif
836
837 /* Add in XENVIRONMENT file */
838
839 if ((xe = (char *)getenv ("XENVIRONMENT")) != NULL
840 && (rdb1 = XrmGetFileDatabase (xe)) != NULL)
841 XrmMergeDatabases (rdb1, &database);
842
843 /* Add in Rxvt file */
844 # if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
845 if (localepath == NULL || (rdb1 = XrmGetFileDatabase (localepath)) == NULL)
846 # endif
847 rdb1 = XrmGetFileDatabase (XAPPLOADDIR "/" RESCLASS);
848
849 if (rdb1 != NULL)
850 XrmMergeDatabases (rdb1, &database);
851
852 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
853 if ((xe = (char *)getenv ("XAPPLRESDIR")) != NULL)
854 {
855 sprintf (fname, "%-.*s/" RESCLASS, sizeof (fname)
856 - sizeof (RESCLASS) - 2, xe);
857 if ((rdb1 = XrmGetFileDatabase (fname)) != NULL)
858 XrmMergeDatabases (rdb1, &database);
859 }
860
861 XrmSetDatabase (display, database);
862 # endif
863
864 /*
865 * Query resources for options that affect us
866 */
867 for (entry = 0; entry < optList_size (); entry++)
868 {
869 int s;
870 char *p, *p0;
871 const char *kw = optList[entry].kw;
872
873 if (kw == NULL || rs[optList[entry].doff] != NULL)
874 continue; /* previously set */
875
876 p = XGetDefault (display, name, kw);
877 p0 = XGetDefault (display, "!INVALIDPROGRAMMENAMEDONTMATCH!", kw);
878 if (p == NULL || (p0 && STRCMP (p, p0) == 0))
879 {
880 p = XGetDefault (display, RESCLASS, kw);
881 #ifdef RESFALLBACK
882 if (p == NULL || (p0 && STRCMP (p, p0) == 0))
883 p = XGetDefault (display, RESFALLBACK, kw);
884 #endif
885 }
886
887 if (p == NULL && p0)
888 p = p0;
889
890 if (p)
891 {
892 rs[optList[entry].doff] = p;
893
894 if (optList_isBool (entry))
895 {
896 s = STRCASECMP (p, "TRUE") == 0
897 || STRCASECMP (p, "YES") == 0
898 || STRCASECMP (p, "ON") == 0
899 || STRCASECMP (p, "1") == 0;
900 if (optList_isReverse (entry))
901 s = !s;
902 if (s)
903 Options |= (optList[entry].flag);
904 else
905 Options &= ~ (optList[entry].flag);
906 }
907 }
908 }
909
910 /*
911 * [R5 or later]: enumerate the resource database
912 */
913 # ifdef XrmEnumOneLevel
914 # ifdef KEYSYM_RESOURCE
915 name_prefix[0] = XrmStringToName (name);
916 name_prefix[1] = XrmStringToName ("keysym");
917 name_prefix[2] = NULLQUARK;
918 class_prefix[0] = XrmStringToName (RESCLASS);
919 class_prefix[1] = XrmStringToName ("Keysym");
920 class_prefix[2] = NULLQUARK;
921 /* XXX: Need to check sizeof (rxvt_t) == sizeof (XPointer) */
922 XrmEnumerateDatabase (XrmGetDatabase (display), name_prefix, class_prefix,
923 XrmEnumOneLevel, rxvt_define_key, NULL);
924 # ifdef RESFALLBACK
925 name_prefix[0] = XrmStringToName (RESFALLBACK);
926 name_prefix[1] = XrmStringToName ("keysym");
927 class_prefix[0] = XrmStringToName (RESFALLBACK);
928 class_prefix[1] = XrmStringToName ("Keysym");
929 /* XXX: Need to check sizeof (rxvt_t) == sizeof (XPointer) */
930 XrmEnumerateDatabase (XrmGetDatabase (display), name_prefix, class_prefix,
931 XrmEnumOneLevel, rxvt_define_key, NULL);
932 # endif
933 # endif
934 # endif
935
936 # else /* USE_XGETDEFAULT */
937 /* get resources the hard way, but save lots of memory */
938 FILE *fd = NULL;
939 char *home;
940
941 if ((home = getenv ("HOME")) != NULL)
942 {
943 unsigned int i, len = STRLEN (home) + 2;
944 char *f = NULL;
945
946 for (i = 0; i < (sizeof (xnames) / sizeof (xnames[0])); i++)
947 {
948 f = (char *)rxvt_realloc (f, (len + STRLEN (xnames[i])) * sizeof (char));
949
950 sprintf (f, "%s/%s", home, xnames[i]);
951
952 if ((fd = fopen (f, "r")) != NULL)
953 break;
954 }
955 free (f);
956 }
957 /*
958 * The normal order to match resources is the following:
959 * @ global resources (partial match, ~/.Xdefaults)
960 * @ application file resources (XAPPLOADDIR/Rxvt)
961 * @ class resources (~/.Xdefaults)
962 * @ private resources (~/.Xdefaults)
963 *
964 * However, for the hand-rolled resources, the matching algorithm
965 * checks if a resource string value has already been allocated
966 * and won't overwrite it with (in this case) a less specific
967 * resource value.
968 *
969 * This avoids multiple allocation. Also, when we've called this
970 * routine command-line string options have already been applied so we
971 * needn't to allocate for those resources.
972 *
973 * So, search in resources from most to least specific.
974 *
975 * Also, use a special sub-class so that we can use either or both of
976 * "XTerm" and "Rxvt" as class names.
977 */
978
979 get_xdefaults (fd, name);
980 get_xdefaults (fd, RESCLASS);
981 # ifdef RESFALLBACK
982 get_xdefaults (fd, RESFALLBACK);
983 # endif
984
985 # if defined(XAPPLOADDIR) && defined(USE_XAPPLOADDIR)
986 {
987 FILE *ad = NULL;
988
989 # if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
990 if (localepath == NULL || (ad = fopen (localepath, "r")) == NULL)
991 # endif
992 ad = fopen (XAPPLOADDIR "/" RESCLASS, "r");
993 if (ad != NULL)
994 {
995 get_xdefaults (ad, RESCLASS);
996 get_xdefaults (ad, "");
997 fclose (ad);
998 }
999 }
1000 # endif /* XAPPLOADDIR */
1001
1002 get_xdefaults (fd, ""); /* partial match */
1003 if (fd != NULL)
1004 fclose (fd);
1005 # endif /* USE_XGETDEFAULT */
1006
1007 # if defined XAPPLOADDIR
1008 # if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1009
1010 }
1011
1012 /* Free the path of the possibly available localized Rxvt file */
1013 free (localepath);
1014 # endif
1015 # endif
1016
1017 #endif /* NO_RESOURCES */
1018 }
1019
1020 /*}}} */
1021 /*----------------------- end-of-file (C source) -----------------------*/