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/cvs/rxvt-unicode/src/xdefaults.C
Revision: 1.1
Committed: Mon Nov 24 17:28:08 2003 UTC (20 years, 6 months ago) by pcg
Content type: text/plain
Branch: MAIN
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# User Rev Content
1 pcg 1.1 /*--------------------------------*-C-*---------------------------------*
2     * File: xdefaults.c
3     *----------------------------------------------------------------------*
4     * $Id: xdefaults.C,v 1.4 2003/11/23 19:32:51 root 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     const unsigned long flag; /* Option flag */
78     const int doff; /* data offset */
79     const char *kw; /* keyword */
80     const char *opt; /* option */
81     const char *arg; /* argument */
82     const char *desc; /* description */
83     } optList[] = {
84     STRG(Rs_display_name, NULL, "d", NULL, NULL), /* short form */
85     STRG(Rs_display_name, NULL, "display", "string", "X server to contact"),
86     STRG(Rs_term_name, "termName", "tn", "string",
87     "value of the TERM environment variable"),
88     STRG(Rs_geometry, NULL, "g", NULL, NULL), /* short form */
89     STRG(Rs_geometry, "geometry", "geometry", "geometry",
90     "size (in characters) and position"),
91     SWCH("C", Opt_console, "intercept console messages"),
92     SWCH("iconic", Opt_iconic, "start iconic"),
93     SWCH("ic", Opt_iconic, NULL), /* short form */
94     BOOL(Rs_reverseVideo, "reverseVideo", "rv", Opt_reverseVideo,
95     "reverse video"),
96     BOOL(Rs_loginShell, "loginShell", "ls", Opt_loginShell, "login shell"),
97     BOOL(Rs_jumpScroll, "jumpScroll", "j", Opt_jumpScroll, "jump scrolling"),
98     #ifdef HAVE_SCROLLBARS
99     BOOL(Rs_scrollBar, "scrollBar", "sb", Opt_scrollBar, "scrollbar"),
100     BOOL(Rs_scrollBar_right, "scrollBar_right", "sr", Opt_scrollBar_right,
101     "scrollbar right"),
102     BOOL(Rs_scrollBar_floating, "scrollBar_floating", "st",
103     Opt_scrollBar_floating, "scrollbar without a trough"),
104     #endif
105     BOOL(Rs_scrollTtyOutput, "scrollTtyOutput", NULL, Opt_scrollTtyOutput,
106     NULL),
107     BOOL(Rs_scrollTtyOutput, NULL, "si", Opt_Reverse | Opt_scrollTtyOutput,
108     "scroll-on-tty-output inhibit"),
109     BOOL(Rs_scrollTtyKeypress, "scrollTtyKeypress", "sk", Opt_scrollTtyKeypress,
110     "scroll-on-keypress"),
111     BOOL(Rs_scrollWithBuffer, "scrollWithBuffer", "sw", Opt_scrollWithBuffer,
112     "scroll-with-buffer"),
113     #ifdef TRANSPARENT
114     BOOL(Rs_transparent, "inheritPixmap", "ip", Opt_transparent,
115     "inherit parent pixmap"),
116     BOOL(Rs_transparent_all, "inheritPixmapforce", "ipf", Opt_transparent_all,
117     "forcefully inherit root pixmap"),
118     SWCH("tr", Opt_transparent, NULL),
119     #endif
120     BOOL(Rs_utmpInhibit, "utmpInhibit", "ut", Opt_utmpInhibit, "utmp inhibit"),
121     #ifndef NO_BELL
122     BOOL(Rs_visualBell, "visualBell", "vb", Opt_visualBell, "visual bell"),
123     # if ! defined(NO_MAPALERT) && defined(MAPALERT_OPTION)
124     BOOL(Rs_mapAlert, "mapAlert", NULL, Opt_mapAlert, NULL),
125     # endif
126     #endif
127     #ifdef META8_OPTION
128     BOOL(Rs_meta8, "meta8", NULL, Opt_meta8, NULL),
129     #endif
130     #ifdef MOUSE_WHEEL
131     BOOL(Rs_mouseWheelScrollPage, "mouseWheelScrollPage", NULL, Opt_mouseWheelScrollPage,
132     NULL),
133     #endif
134     #ifdef MULTICHAR_SET
135     BOOL(Rs_mc_hack, "multibyte_cursor", "mcc", Opt_mc_hack,
136     "Multibyte character cursor movement"),
137     #endif
138     #ifndef NO_FRILLS
139     BOOL(Rs_tripleclickwords, "tripleclickwords", "tcw", Opt_tripleclickwords,
140     "triple click word selection"),
141     #endif
142     #ifdef CURSOR_BLINK
143     BOOL(Rs_cursorBlink, "cursorBlink", "bc", Opt_cursorBlink, "blinking cursor"),
144     #endif
145     #ifdef POINTER_BLANK
146     BOOL(Rs_pointerBlank, "pointerBlank", NULL, Opt_pointerBlank, NULL),
147     #endif
148     STRG(Rs_color + Color_bg, "background", "bg", "color", "background color"),
149     STRG(Rs_color + Color_fg, "foreground", "fg", "color", "foreground color"),
150     RSTRG(Rs_color + minCOLOR + 0, "color0", "color"),
151     RSTRG(Rs_color + minCOLOR + 1, "color1", "color"),
152     RSTRG(Rs_color + minCOLOR + 2, "color2", "color"),
153     RSTRG(Rs_color + minCOLOR + 3, "color3", "color"),
154     RSTRG(Rs_color + minCOLOR + 4, "color4", "color"),
155     RSTRG(Rs_color + minCOLOR + 5, "color5", "color"),
156     RSTRG(Rs_color + minCOLOR + 6, "color6", "color"),
157     RSTRG(Rs_color + minCOLOR + 7, "color7", "color"),
158     #ifndef NO_BRIGHTCOLOR
159     RSTRG(Rs_color + minBrightCOLOR + 0, "color8", "color"),
160     RSTRG(Rs_color + minBrightCOLOR + 1, "color9", "color"),
161     RSTRG(Rs_color + minBrightCOLOR + 2, "color10", "color"),
162     RSTRG(Rs_color + minBrightCOLOR + 3, "color11", "color"),
163     RSTRG(Rs_color + minBrightCOLOR + 4, "color12", "color"),
164     RSTRG(Rs_color + minBrightCOLOR + 5, "color13", "color"),
165     RSTRG(Rs_color + minBrightCOLOR + 6, "color14", "color"),
166     RSTRG(Rs_color + minBrightCOLOR + 7, "color15", "color"),
167     #endif /* NO_BRIGHTCOLOR */
168     #ifndef NO_BOLD_UNDERLINE_REVERSE
169     RSTRG(Rs_color + Color_BD, "colorBD", "color"),
170     RSTRG(Rs_color + Color_UL, "colorUL", "color"),
171     RSTRG(Rs_color + Color_RV, "colorRV", "color"),
172     #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
173     #ifdef KEEP_SCROLLCOLOR
174     RSTRG(Rs_color + Color_scroll, "scrollColor", "color"),
175     RSTRG(Rs_color + Color_trough, "troughColor", "color"),
176     #endif /* KEEP_SCROLLCOLOR */
177     #ifdef OPTION_HC
178     STRG(Rs_color + Color_HC, "highlightColor", "hc", "color", "highlight color"),
179     #endif
180     #if defined (XPM_BACKGROUND) || (MENUBAR_MAX)
181     RSTRG(Rs_path, "path", "search path"),
182     #endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */
183     #ifdef XPM_BACKGROUND
184     STRG(Rs_backgroundPixmap, "backgroundPixmap", "pixmap", "file[;geom]",
185     "background pixmap"),
186     #endif /* XPM_BACKGROUND */
187     #if (MENUBAR_MAX)
188     RSTRG(Rs_menu, "menu", "name[;tag]"),
189     #endif
190     #ifndef NO_BOLDFONT
191     STRG(Rs_boldFont, "boldFont", "fb", "fontname", "bold text font"),
192     #endif
193     STRG(Rs_font + 0, "font", "fn", "fontname", "normal text font"),
194     /* fonts: command-line option = resource name */
195     #ifdef MULTICHAR_SET
196     STRG(Rs_multichar_encoding, "multichar_encoding", "km", "mode",
197     "multichar encoding; mode = eucj|sjis|big5|gb|kr|noenc"),
198     #endif /* MULTICHAR_SET */
199     #ifdef USE_XIM
200     STRG(Rs_inputMethod, "inputMethod", "im", "name", "name of input method"),
201     STRG(Rs_preeditType, "preeditType", "pt", "style",
202     "input style: style = OverTheSpot|OffTheSpot|Root"),
203     #endif /* USE_XIM */
204     #ifdef GREEK_SUPPORT
205     STRG(Rs_greek_keyboard, "greek_keyboard", "grk", "mode",
206     "greek keyboard mapping; mode = iso | ibm"),
207     RSTRG(Rs_greektoggle_key, "greektoggle_key", "keysym"),
208     #endif
209     STRG(Rs_name, NULL, "name", "string",
210     "client instance, icon, and title strings"),
211     STRG(Rs_title, "title", "title", "string", "title name for window"),
212     STRG(Rs_title, NULL, "T", NULL, NULL), /* short form */
213     STRG(Rs_iconName, "iconName", "n", "string", "icon name for window"),
214     #ifndef NO_CURSORCOLOR
215     STRG(Rs_color + Color_cursor, "cursorColor", "cr", "color", "cursor color"),
216     /* command-line option = resource name */
217     RSTRG(Rs_color + Color_cursor2, "cursorColor2", "color"),
218     #endif /* NO_CURSORCOLOR */
219     STRG(Rs_color + Color_pointer, "pointerColor", "pr", "color",
220     "pointer color"),
221     STRG(Rs_color + Color_border, "borderColor", "bd", "color",
222     "border color"),
223     STRG(Rs_saveLines, "saveLines", "sl", "number",
224     "number of scrolled lines to save"),
225     #ifndef NO_FRILLS
226     STRG(Rs_ext_bwidth, "externalBorder", "w", "number",
227     "external border in pixels"),
228     STRG(Rs_ext_bwidth, NULL, "bw", NULL, NULL),
229     STRG(Rs_ext_bwidth, NULL, "borderwidth", NULL, NULL),
230     STRG(Rs_int_bwidth, "internalBorder", "b", "number",
231     "internal border in pixels"),
232     #endif
233     #ifndef NO_LINESPACE
234     STRG(Rs_lineSpace, "lineSpace", "lsp", "number",
235     "number of extra pixels between rows"),
236     #endif
237     STRG(Rs_scrollBar_thickness, "thickness", "sbt", "number",
238     "scrollbar thickness/width in pixels"),
239     #ifdef POINTER_BLANK
240     RSTRG(Rs_pointerBlankDelay, "pointerBlankDelay", "number"),
241     #endif
242     #ifndef NO_BACKSPACE_KEY
243     RSTRG(Rs_backspace_key, "backspacekey", "string"),
244     #endif
245     #ifndef NO_DELETE_KEY
246     RSTRG(Rs_delete_key, "deletekey", "string"),
247     #endif
248     RSTRG(Rs_selectstyle, "selectstyle", "mode"),
249     RSTRG(Rs_scrollstyle, "scrollstyle", "mode"),
250     #ifdef HAVE_SCROLLBARS
251     RSTRG(Rs_scrollBar_align, "scrollBar_align", "mode"),
252     #endif
253     #ifdef PRINTPIPE
254     RSTRG(Rs_print_pipe, "print-pipe", "string"),
255     #endif
256     #if defined (HOTKEY_CTRL) || defined (HOTKEY_META)
257     RSTRG(Rs_bigfont_key, "bigfont_key", "keysym"),
258     RSTRG(Rs_smallfont_key, "smallfont_key", "keysym"),
259     #endif
260     STRG(Rs_modifier, "modifier", "mod", "modifier",
261     "meta modifier = alt|meta|hyper|super|mod1|...|mod5"),
262     INFO("xrm", "string", "X resource"),
263     #ifdef CUTCHAR_RESOURCE
264     RSTRG(Rs_cutchars, "cutchars", "string"),
265     #endif /* CUTCHAR_RESOURCE */
266     #ifdef ACS_ASCII
267     RSTRG(Rs_acs_chars, "acsChars", "string"),
268     #endif /* ACS_ASCII */
269     RSTRG(Rs_answerbackstring, "answerbackString", "string"),
270     INFO("e", "command arg ...", "command to execute")
271     };
272    
273     #undef INFO
274     #undef STRG
275     #undef RSTRG
276     #undef SWCH
277     #undef BOOL
278     /*}}} */
279    
280     static const char releasestring[] = "Rxvt v" VERSION " - released: " DATE "\n";
281     static const char optionsstring[] = "Options: "
282     #if defined(XPM_BACKGROUND)
283     "XPM,"
284     #endif
285     #if defined(TRANSPARENT)
286     "transparent,"
287     #endif
288     #if defined(UTMP_SUPPORT)
289     "utmp,"
290     #endif
291     #if defined(MENUBAR)
292     "menubar,"
293     #endif
294     #if !defined(NO_FRILLS)
295     "frills,"
296     #endif
297     #if !defined(NO_LINESPACE)
298     "linespace,"
299     #endif
300     #if defined(PREFER_24BIT)
301     "24bit,"
302     #endif
303     #if defined(USE_XIM)
304     "XIM,"
305     #endif
306     #if defined(MULTICHAR_SET)
307     "multichar_languages,"
308     #endif
309     "scrollbars="
310     #if !defined(HAVE_SCROLLBARS)
311     "NONE"
312     #else
313     # if defined(RXVT_SCROLLBAR)
314     "rxvt"
315     # if defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)
316     "+"
317     # endif
318     # endif
319     # if defined(NEXT_SCROLLBAR)
320     "NeXT"
321     # if defined(XTERM_SCROLLBAR)
322     "+"
323     # endif
324     # endif
325     # if defined(XTERM_SCROLLBAR)
326     "xterm"
327     # endif
328     #endif
329     ","
330     #if defined(GREEK_SUPPORT)
331     "Greek,"
332     #endif
333     #if defined(RXVT_GRAPHICS)
334     "graphics,"
335     #endif
336     #if defined(NO_BACKSPACE_KEY)
337     "no_backspace,"
338     #endif
339     #if defined(NO_DELETE_KEY)
340     "no_delete,"
341     #endif
342     #if !defined(NO_STRINGS)
343     "strings,"
344     #endif
345     #if defined(TTY_256COLOR)
346     "256colour,"
347     #endif
348     #if defined(NO_RESOURCES)
349     "NoResources"
350     #else
351     # if defined(USE_XGETDEFAULT)
352     "XGetDefaults"
353     # else
354     ".Xdefaults"
355     # endif
356     #endif
357     "\nUsage: "; /* Usage */
358    
359     #define INDENT 18
360    
361     /*{{{ usage: */
362     /*----------------------------------------------------------------------*/
363     /* EXTPROTO */
364     void
365     rxvt_usage(int type)
366     {
367     unsigned int i, col;
368    
369     write(STDERR_FILENO, releasestring, sizeof(releasestring) - 1);
370     write(STDERR_FILENO, optionsstring, sizeof(optionsstring) - 1);
371     write(STDERR_FILENO, APL_NAME, sizeof(APL_NAME) - 1);
372    
373     switch (type) {
374     case 0: /* brief listing */
375     fprintf(stderr, " [-help] [--help]\n");
376     for (col = 1, i = 0; i < optList_size(); i++)
377     if (optList[i].desc != NULL) {
378     int len = 0;
379    
380     if (!optList_isBool(i)) {
381     len = optList_strlen(i);
382     if (len > 0)
383     len++; /* account for space */
384     }
385     #ifdef DEBUG_STRICT
386     assert(optList[i].opt != NULL);
387     #endif
388     len += 4 + STRLEN(optList[i].opt) + (optList_isBool(i) ? 2: 0);
389     col += len;
390     if (col > 79) { /* assume regular width */
391     putc('\n', stderr);
392     col = 1 + len;
393     }
394     fprintf(stderr, " [-%s%s", (optList_isBool(i) ? "/+" : ""),
395     optList[i].opt);
396     if (optList_strlen(i))
397     fprintf(stderr, " %s]", optList[i].arg);
398     else
399     fprintf(stderr, "]");
400     }
401     break;
402    
403     case 1: /* full command-line listing */
404     fprintf(stderr, " [options] [-e command args]\n\n"
405     "where options include:\n");
406     for (i = 0; i < optList_size(); i++)
407     if (optList[i].desc != NULL) {
408     #ifdef DEBUG_STRICT
409     assert(optList[i].opt != NULL);
410     #endif
411     fprintf(stderr, " %s%s %-*s%s%s\n",
412     (optList_isBool(i) ? "-/+" : "-"), optList[i].opt,
413     (INDENT - STRLEN(optList[i].opt)
414     + (optList_isBool(i) ? 0 : 2)),
415     (optList[i].arg ? optList[i].arg : ""),
416     (optList_isBool(i) ? "turn on/off " : ""),
417     optList[i].desc);
418     }
419     fprintf(stderr, "\n --help to list long-options");
420     break;
421    
422     case 2: /* full resource listing */
423     fprintf(stderr,
424     " [options] [-e command args]\n\n"
425     "where resources (long-options) include:\n");
426    
427     for (i = 0; i < optList_size(); i++)
428     if (optList[i].kw != NULL)
429     fprintf(stderr, " %s: %*s%s\n",
430     optList[i].kw,
431     (INDENT - STRLEN(optList[i].kw)), "", /* XXX */
432     (optList_isBool(i) ? "boolean" : optList[i].arg));
433     #ifdef KEYSYM_RESOURCE
434     fprintf(stderr, " " "keysym.sym" ": %*s%s\n",
435     (INDENT - sizeof("keysym.sym") + 1), "", /* XXX */
436     "keysym");
437     #endif
438     fprintf(stderr, "\n -help to list options");
439     break;
440     }
441     fprintf(stderr, "\n\n");
442     exit(EXIT_FAILURE);
443     /* NOTREACHED */
444     }
445    
446     /*}}} */
447    
448     /*{{{ get command-line options before getting resources */
449     /* EXTPROTO */
450     void
451     rxvt_get_options(pR_ int argc, const char *const *argv)
452     {
453     int i, bad_option = 0;
454     static const char On[3] = "ON", Off[4] = "OFF";
455    
456     for (i = 1; i < argc; i++) {
457     unsigned int entry, longopt = 0;
458     const char *flag, *opt;
459    
460     opt = argv[i];
461     #ifdef DEBUG_RESOURCES
462     fprintf(stderr, "argv[%d] = %s: ", i, opt);
463     #endif
464     if (*opt == '-') {
465     flag = On;
466     if (*++opt == '-')
467     longopt = *opt++; /* long option */
468     } else if (*opt == '+') {
469     flag = Off;
470     if (*++opt == '+')
471     longopt = *opt++; /* long option */
472     } else {
473     bad_option = 1;
474     rxvt_print_error("bad option \"%s\"", opt);
475     continue;
476     }
477    
478     if (!STRCMP(opt, "help"))
479     rxvt_usage(longopt ? 2 : 1);
480     if (!STRCMP(opt, "h"))
481     rxvt_usage(0);
482    
483     /* feature: always try to match long-options */
484     for (entry = 0; entry < optList_size(); entry++)
485     if ((optList[entry].kw && !STRCMP(opt, optList[entry].kw))
486     || (!longopt
487     && optList[entry].opt && !STRCMP(opt, optList[entry].opt)))
488     break;
489    
490     if (entry < optList_size()) {
491     if (optList_isReverse(entry))
492     flag = flag == On ? Off : On;
493     if (optList_strlen(entry)) { /* string value */
494     const char *str = argv[++i];
495    
496     #ifdef DEBUG_RESOURCES
497     fprintf(stderr, "string (%s,%s) = ",
498     optList[entry].opt ? optList[entry].opt : "nil",
499     optList[entry].kw ? optList[entry].kw : "nil");
500     #endif
501     if (flag == On && str && (optList[entry].doff != -1)) {
502     #ifdef DEBUG_RESOURCES
503     fprintf(stderr, "\"%s\"\n", str);
504     #endif
505     R->h->rs[optList[entry].doff] = str;
506     /*
507     * special cases are handled in main.c:main() to allow
508     * X resources to set these values before we settle for
509     * default values
510     */
511     }
512     #ifdef DEBUG_RESOURCES
513     else
514     fprintf(stderr, "???\n");
515     #endif
516     } else { /* boolean value */
517     #ifdef DEBUG_RESOURCES
518     fprintf(stderr, "boolean (%s,%s) = %s\n",
519     optList[entry].opt, optList[entry].kw, flag);
520     #endif
521     if (flag == On)
522     R->Options |= (optList[entry].flag);
523     else
524     R->Options &= ~(optList[entry].flag);
525    
526     if (optList[entry].doff != -1)
527     R->h->rs[optList[entry].doff] = flag;
528     }
529     } else
530     #ifdef KEYSYM_RESOURCE
531     /* if (!STRNCMP(opt, "keysym.", sizeof("keysym.") - 1)) */
532     if (rxvt_Str_match(opt, "keysym.")) {
533     const char *str = argv[++i];
534    
535     if (str != NULL)
536     rxvt_parse_keysym(aR_ opt + sizeof("keysym.") - 1, str);
537     } else
538     #endif
539     ;
540     }
541    
542     if (bad_option)
543     rxvt_usage(0);
544     }
545    
546     /*}}} */
547    
548     #ifndef NO_RESOURCES
549     /*----------------------------------------------------------------------*/
550    
551     # ifdef KEYSYM_RESOURCE
552     /*
553     * Define key from XrmEnumerateDatabase.
554     * quarks will be something like
555     * "rxvt" "keysym" "0xFF01"
556     * value will be a string
557     */
558     /* ARGSUSED */
559     /* INTPROTO */
560     Bool
561     rxvt_define_key(XrmDatabase *database __attribute__((unused)), XrmBindingList bindings __attribute__((unused)), XrmQuarkList quarks, XrmRepresentation *type __attribute__((unused)), XrmValue *value, XPointer closure __attribute__((unused)))
562     {
563     dR;
564     int last;
565    
566     for (last = 0; quarks[last] != NULLQUARK; last++) /* look for last quark in list */
567     ;
568     last--;
569     rxvt_parse_keysym(aR_ XrmQuarkToString(quarks[last]), (char *)value->addr);
570     return False;
571     }
572    
573     /*
574     * look for something like this (XK_Delete)
575     * rxvt*keysym.0xFFFF: "\177"
576     *
577     * arg will be
578     * NULL for ~/.Xdefaults and
579     * non-NULL for command-line options (need to allocate)
580     */
581     #define NEWARGLIM 500 /* `reasonable' size */
582     /* INTPROTO */
583     int
584     rxvt_parse_keysym(pR_ const char *str, const char *arg)
585     {
586     int n, sym;
587     char *key_string, *newarg = NULL;
588     char newargstr[NEWARGLIM];
589    
590     if (arg == NULL) {
591     if ((n = rxvt_Str_match(str, "keysym.")) == 0)
592     return 0;
593     str += n; /* skip `keysym.' */
594     }
595     /* some scanf() have trouble with a 0x prefix */
596     if (isdigit(str[0])) {
597     if (str[0] == '0' && toupper(str[1]) == 'X')
598     str += 2;
599     if (arg) {
600     if (sscanf(str, (STRCHR(str, ':') ? "%x:" : "%x"), &sym) != 1)
601     return -1;
602     } else {
603     if (sscanf(str, "%x:", &sym) != 1)
604     return -1;
605    
606     /* cue to ':', it's there since sscanf() worked */
607     STRNCPY(newargstr, STRCHR(str, ':') + 1, NEWARGLIM - 1);
608     newargstr[NEWARGLIM - 1] = '\0';
609     newarg = newargstr;
610     }
611     } else {
612     /*
613     * convert keysym name to keysym number
614     */
615     STRNCPY(newargstr, str, NEWARGLIM - 1);
616     newargstr[NEWARGLIM - 1] = '\0';
617     if (arg == NULL) {
618     if ((newarg = STRCHR(newargstr, ':')) == NULL)
619     return -1;
620     *newarg++ = '\0'; /* terminate keysym name */
621     }
622     if ((sym = XStringToKeysym(newargstr)) == None)
623     return -1;
624     }
625    
626     if (sym < 0xFF00 || sym > 0xFFFF) /* we only do extended keys */
627     return -1;
628     sym &= 0xFF;
629     if (R->h->Keysym_map[sym] != NULL) /* already set ? */
630     return -1;
631    
632     if (newarg == NULL) {
633     STRNCPY(newargstr, arg, NEWARGLIM - 1);
634     newargstr[NEWARGLIM - 1] = '\0';
635     newarg = newargstr;
636     }
637     rxvt_Str_trim(newarg);
638     if (*newarg == '\0' || (n = rxvt_Str_escaped(newarg)) == 0)
639     return -1;
640     MIN_IT(n, 255);
641     key_string = (char *)rxvt_malloc((n + 1) * sizeof(char));
642    
643     key_string[0] = n;
644     STRNCPY(key_string + 1, newarg, n);
645     R->h->Keysym_map[sym] = (unsigned char *)key_string;
646    
647     return 1;
648     }
649    
650     # endif /* KEYSYM_RESOURCE */
651    
652     # ifndef USE_XGETDEFAULT
653     /*{{{ rxvt_get_xdefaults() */
654     /*
655     * the matching algorithm used for memory-save fake resources
656     */
657     /* INTPROTO */
658     void
659     rxvt_get_xdefaults(pR_ FILE *stream, const char *name)
660     {
661     unsigned int len;
662     char *str, buffer[256];
663    
664     if (stream == NULL)
665     return;
666     len = STRLEN(name);
667     while ((str = fgets(buffer, sizeof(buffer), stream)) != NULL) {
668     unsigned int entry, n;
669    
670     while (*str && isspace(*str))
671     str++; /* leading whitespace */
672    
673     if ((str[len] != '*' && str[len] != '.')
674     || (len && STRNCMP(str, name, len)))
675     continue;
676     str += (len + 1); /* skip `name*' or `name.' */
677    
678     # ifdef KEYSYM_RESOURCE
679     if (!rxvt_parse_keysym(aR_ str, NULL))
680     # endif /* KEYSYM_RESOURCE */
681     for (entry = 0; entry < optList_size(); entry++) {
682     const char *kw = optList[entry].kw;
683    
684     if (kw == NULL)
685     continue;
686     n = STRLEN(kw);
687     if (str[n] == ':' && rxvt_Str_match(str, kw)) {
688     /* skip `keyword:' */
689     str += (n + 1);
690     rxvt_Str_trim(str);
691     n = STRLEN(str);
692     if (n && R->h->rs[optList[entry].doff] == NULL) {
693     /* not already set */
694     int s;
695     char *p = (char *)rxvt_malloc((n + 1) * sizeof(char));
696    
697     STRCPY(p, str);
698     R->h->rs[optList[entry].doff] = p;
699     if (optList_isBool(entry)) {
700     s = STRCASECMP(str, "TRUE") == 0
701     || STRCASECMP(str, "YES") == 0
702     || STRCASECMP(str, "ON") == 0
703     || STRCASECMP(str, "1") == 0;
704     if (optList_isReverse(entry))
705     s = !s;
706     if (s)
707     R->Options |= (optList[entry].flag);
708     else
709     R->Options &= ~(optList[entry].flag);
710     }
711     }
712     break;
713     }
714     }
715     }
716     rewind(stream);
717     }
718    
719     /*}}} */
720     # endif /* ! USE_XGETDEFAULT */
721     #endif /* NO_RESOURCES */
722    
723     /*{{{ read the resources files */
724     /*
725     * using XGetDefault() or the hand-rolled replacement
726     */
727     /* ARGSUSED */
728     /* EXTPROTO */
729     void
730     rxvt_extract_resources(pR_ Display *display __attribute__((unused)), const char *name)
731     {
732     #ifndef NO_RESOURCES
733    
734     # if defined XAPPLOADDIR
735     # if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
736     /* Compute the path of the possibly available localized Rxvt file */
737     char *localepath = NULL;
738    
739     if (R->h->locale != NULL) { /* XXX: must limit length of string */
740     localepath = (char *)rxvt_malloc(256);
741     sprintf(localepath, XAPPLOADDIRLOCALE "/" APL_SUBCLASS,
742     (int)(258 - sizeof(XAPPLOADDIRLOCALE) - sizeof(APL_SUBCLASS)),
743     R->h->locale); /* 258 = 255 + 4 (-.*s) - 1 (/) */
744     }
745    
746     {
747     # endif
748     # endif
749    
750     # ifdef USE_XGETDEFAULT
751     /*
752     * get resources using the X library function
753     */
754     int entry;
755    
756     # ifdef XrmEnumOneLevel
757     int i;
758     char *displayResource, *xe;
759     XrmName name_prefix[3];
760     XrmClass class_prefix[3];
761     XrmDatabase database, rdb1;
762     char fname[1024];
763    
764     XrmInitialize();
765     database = NULL;
766    
767     /* Get any Xserver defaults */
768    
769     displayResource = XResourceManagerString(display);
770     if (displayResource != NULL)
771     database = XrmGetStringDatabase(displayResource);
772    
773     # ifdef HAVE_EXTRA_XRESOURCE_FILES
774     /* Add in ~/.Xdefaults or ~/.Xresources */
775     {
776     char *ptr;
777    
778     if ((ptr = (char *)getenv("HOME")) == NULL)
779     ptr = ".";
780    
781     for (i = 0; i < (sizeof(xnames) / sizeof(xnames[0])); i++) {
782     sprintf(fname, "%-.*s/%s", sizeof(fname) - STRLEN(xnames[i]) - 2,
783     ptr, xnames[i]);
784     if ((rdb1 = XrmGetFileDatabase(fname)) != NULL) {
785     XrmMergeDatabases(rdb1, &database);
786     # ifndef HAVE_BOTH_XRESOURCE_FILES
787     break;
788     # endif
789     }
790     }
791     }
792     # endif
793    
794     /* Add in XENVIRONMENT file */
795    
796     if ((xe = (char *)getenv("XENVIRONMENT")) != NULL
797     && (rdb1 = XrmGetFileDatabase(xe)) != NULL)
798     XrmMergeDatabases(rdb1, &database);
799    
800     /* Add in Rxvt file */
801     # if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
802     if (localepath == NULL || (rdb1 = XrmGetFileDatabase(localepath)) == NULL)
803     # endif
804     rdb1 = XrmGetFileDatabase(XAPPLOADDIR "/" APL_SUBCLASS);
805     if (rdb1 != NULL)
806     XrmMergeDatabases(rdb1, &database);
807    
808     /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
809     if ((xe = (char *)getenv("XAPPLRESDIR")) != NULL) {
810     sprintf(fname, "%-.*s/" APL_SUBCLASS, sizeof(fname)
811     - sizeof(APL_SUBCLASS) - 2, xe);
812     if ((rdb1 = XrmGetFileDatabase(fname)) != NULL)
813     XrmMergeDatabases(rdb1, &database);
814     }
815    
816     XrmSetDatabase(display, database);
817     # endif
818    
819     /*
820     * Query resources for options that affect us
821     */
822     for (entry = 0; entry < optList_size(); entry++) {
823     int s;
824     char *p, *p0;
825     const char *kw = optList[entry].kw;
826    
827     if (kw == NULL || R->h->rs[optList[entry].doff] != NULL)
828     continue; /* previously set */
829    
830     p = XGetDefault(display, name, kw);
831     p0 = XGetDefault(display, "!INVALIDPROGRAMMENAMEDONTMATCH!", kw);
832     if (p == NULL || (p0 && STRCMP(p, p0) == 0)) {
833     p = XGetDefault(display, APL_SUBCLASS, kw);
834     if (p == NULL || (p0 && STRCMP(p, p0) == 0))
835     p = XGetDefault(display, APL_CLASS, kw);
836     }
837     if (p == NULL && p0)
838     p = p0;
839     if (p) {
840     R->h->rs[optList[entry].doff] = p;
841    
842     if (optList_isBool(entry)) {
843     s = STRCASECMP(p, "TRUE") == 0
844     || STRCASECMP(p, "YES") == 0
845     || STRCASECMP(p, "ON") == 0
846     || STRCASECMP(p, "1") == 0;
847     if (optList_isReverse(entry))
848     s = !s;
849     if (s)
850     R->Options |= (optList[entry].flag);
851     else
852     R->Options &= ~(optList[entry].flag);
853     }
854     }
855     }
856    
857     /*
858     * [R5 or later]: enumerate the resource database
859     */
860     # ifdef XrmEnumOneLevel
861     # ifdef KEYSYM_RESOURCE
862     name_prefix[0] = XrmStringToName(name);
863     name_prefix[1] = XrmStringToName("keysym");
864     name_prefix[2] = NULLQUARK;
865     class_prefix[0] = XrmStringToName(APL_SUBCLASS);
866     class_prefix[1] = XrmStringToName("Keysym");
867     class_prefix[2] = NULLQUARK;
868     /* XXX: Need to check sizeof(rxvt_t) == sizeof(XPointer) */
869     XrmEnumerateDatabase(XrmGetDatabase(display), name_prefix, class_prefix,
870     XrmEnumOneLevel, rxvt_define_key, NULL);
871     name_prefix[0] = XrmStringToName(APL_CLASS);
872     name_prefix[1] = XrmStringToName("keysym");
873     class_prefix[0] = XrmStringToName(APL_CLASS);
874     class_prefix[1] = XrmStringToName("Keysym");
875     /* XXX: Need to check sizeof(rxvt_t) == sizeof(XPointer) */
876     XrmEnumerateDatabase(XrmGetDatabase(display), name_prefix, class_prefix,
877     XrmEnumOneLevel, rxvt_define_key, NULL);
878     # endif
879     # endif
880    
881     # else /* USE_XGETDEFAULT */
882     /* get resources the hard way, but save lots of memory */
883     FILE *fd = NULL;
884     char *home;
885    
886     if ((home = getenv("HOME")) != NULL) {
887     unsigned int i, len = STRLEN(home) + 2;
888     char *f = NULL;
889    
890     for (i = 0; i < (sizeof(xnames) / sizeof(xnames[0])); i++) {
891     f = (char *)rxvt_realloc(f, (len + STRLEN(xnames[i])) * sizeof(char));
892    
893     sprintf(f, "%s/%s", home, xnames[i]);
894    
895     if ((fd = fopen(f, "r")) != NULL)
896     break;
897     }
898     free(f);
899     }
900     /*
901     * The normal order to match resources is the following:
902     * @ global resources (partial match, ~/.Xdefaults)
903     * @ application file resources (XAPPLOADDIR/Rxvt)
904     * @ class resources (~/.Xdefaults)
905     * @ private resources (~/.Xdefaults)
906     *
907     * However, for the hand-rolled resources, the matching algorithm
908     * checks if a resource string value has already been allocated
909     * and won't overwrite it with (in this case) a less specific
910     * resource value.
911     *
912     * This avoids multiple allocation. Also, when we've called this
913     * routine command-line string options have already been applied so we
914     * needn't to allocate for those resources.
915     *
916     * So, search in resources from most to least specific.
917     *
918     * Also, use a special sub-class so that we can use either or both of
919     * "XTerm" and "Rxvt" as class names.
920     */
921    
922     rxvt_get_xdefaults(aR_ fd, name);
923     rxvt_get_xdefaults(aR_ fd, APL_SUBCLASS);
924    
925     # if defined(XAPPLOADDIR) && defined(USE_XAPPLOADDIR)
926     {
927     FILE *ad = NULL;
928    
929     # if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
930     if (localepath == NULL || (ad = fopen(localepath, "r")) == NULL)
931     # endif
932     ad = fopen(XAPPLOADDIR "/" APL_SUBCLASS, "r");
933     if (ad != NULL) {
934     rxvt_get_xdefaults(aR_ ad, APL_SUBCLASS);
935     rxvt_get_xdefaults(aR_ ad, "");
936     fclose(ad);
937     }
938     }
939     # endif /* XAPPLOADDIR */
940    
941     rxvt_get_xdefaults(aR_ fd, APL_CLASS);
942     rxvt_get_xdefaults(aR_ fd, ""); /* partial match */
943     if (fd != NULL)
944     fclose(fd);
945     # endif /* USE_XGETDEFAULT */
946    
947     # if defined XAPPLOADDIR
948     # if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
949     }
950    
951     /* Free the path of the possibly available localized Rxvt file */
952     free(localepath);
953     # endif
954     # endif
955    
956     #endif /* NO_RESOURCES */
957    
958     /*
959     * even without resources, at least do this setup for command-line
960     * options and command-line long options
961     */
962     #ifdef MULTICHAR_SET
963     rxvt_set_multichar_encoding(aR_ R->h->rs[Rs_multichar_encoding]);
964     #endif
965     #ifdef GREEK_SUPPORT
966     /* this could be a function in grkelot.c */
967     /* void set_greek_keyboard (const char * str); */
968     if (R->h->rs[Rs_greek_keyboard]) {
969     if (!STRCMP(R->h->rs[Rs_greek_keyboard], "iso"))
970     greek_setmode(GREEK_ELOT928); /* former -grk9 */
971     else if (!STRCMP(R->h->rs[Rs_greek_keyboard], "ibm"))
972     greek_setmode(GREEK_IBM437); /* former -grk4 */
973     }
974     {
975     KeySym sym;
976    
977     if (R->h->rs[Rs_greektoggle_key]
978     && ((sym = XStringToKeysym(R->h->rs[Rs_greektoggle_key])) != 0))
979     R->h->ks_greekmodeswith = sym;
980     }
981     #endif /* GREEK_SUPPORT */
982    
983     #if defined (HOTKEY_CTRL) || defined (HOTKEY_META)
984     {
985     KeySym sym;
986    
987     if (R->h->rs[Rs_bigfont_key]
988     && ((sym = XStringToKeysym(R->h->rs[Rs_bigfont_key])) != 0))
989     R->h->ks_bigfont = sym;
990     if (R->h->rs[Rs_smallfont_key]
991     && ((sym = XStringToKeysym(R->h->rs[Rs_smallfont_key])) != 0))
992     R->h->ks_smallfont = sym;
993     }
994     #endif
995     }
996    
997     /*}}} */
998     /*----------------------- end-of-file (C source) -----------------------*/