Mercurial > hg > xemacs-beta
annotate src/device-x.c @ 5327:d1b17a33450b
Move the heavy lifting from cl-seq.el to C.
src/ChangeLog addition:
2010-12-30 Aidan Kehoe <kehoea@parhasard.net>
Move the heavy lifting from cl-seq.el to C, finally making those
functions first-class XEmacs citizens, with circularity checking,
built-in support for tests other than #'eql, and as much
compatibility with current Common Lisp as Paul Dietz' tests require.
* fns.c (check_eq_nokey, check_eq_key, check_eql_nokey)
(check_eql_key, check_equal_nokey, check_equal_key)
(check_equalp_nokey, check_equalp_key, check_string_match_nokey)
(check_string_match_key, check_other_nokey, check_other_key)
(check_if_nokey, check_if_key, check_match_eq_key)
(check_match_eql_key, check_match_equal_key)
(check_match_equalp_key, check_match_other_key): New. These are
basically to provide function pointers to be used by Lisp
functions that take TEST, TEST-NOT and KEY arguments.
(get_check_match_function_1, get_check_test_function)
(get_check_match_function): These functions work out which of the
previous list of functions to use, given the keywords supplied by
the user.
(count_with_tail): New. This is the bones of #'count.
(list_count_from_end, string_count_from_end): Utility functions
for #'count.
(Fcount): New, moved from cl-seq.el.
(list_position_cons_before): New. The implementation of #'member*,
and important in implementing various other functions.
(FmemberX, Fadjoin, FassocX, FrassocX, Fposition, Ffind)
(FdeleteX, FremoveX, Fdelete_duplicates, Fremove_duplicates)
(Fnsubstitute, Fsubstitute, Fsublis, Fnsublis, Fsubst, Fnsubst)
(Ftree_equal, Fmismatch, Fsearch, Fintersection, Fnintersection)
(Fsubsetp, Fset_difference, Fnset_difference, Fnunion, Funion)
(Fset_exclusive_or, Fnset_exclusive_or): New, moved here from
cl-seq.el.
(position): New. The implementation of #'find and #'position.
(list_delete_duplicates_from_end, subst, sublis, nsublis)
(tree_equal, mismatch_from_end, mismatch_list_list)
(mismatch_list_string, mismatch_list_array)
(mismatch_string_array, mismatch_string_string)
(mismatch_array_array, get_mismatch_func): Helper C functions for
the Lisp-visible functions.
(venn, nvenn): New. The implementation of the main Lisp functions that
treat lists as sets.
lisp/ChangeLog addition:
2010-12-30 Aidan Kehoe <kehoea@parhasard.net>
* cl-seq.el:
Move the heavy lifting from this file to C. Dump the
cl-parsing-keywords macro, but don't use defun* for the functions
we define that do take keywords, dynamic scope lossage makes that
not practical.
* subr.el (sort, fillarray): Move these aliases here.
(map-plist): #'nsublis is now built-in, but at this point #'eql
isn't necessarily available as a test; use #'eq.
* obsolete.el (cl-delete-duplicates): Make this available for old
compiler macros and old code.
(memql): Document that this is equivalent to #'member*, and worse.
* cl.el (adjoin, subst): Removed. These are in C.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Thu, 30 Dec 2010 01:59:52 +0000 |
| parents | f19e6bc25969 |
| children | 39304a35b6b3 308d34e9f07d |
| rev | line source |
|---|---|
| 428 | 1 /* Device functions for X windows. |
| 2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois. | |
| 3 Copyright (C) 1994, 1995 Free Software Foundation, Inc. | |
|
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4 Copyright (C) 2001, 2002, 2004, 2010 Ben Wing. |
| 428 | 5 |
| 6 This file is part of XEmacs. | |
| 7 | |
| 8 XEmacs is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 10 Free Software Foundation; either version 2, or (at your option) any | |
| 11 later version. | |
| 12 | |
| 13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with XEmacs; see the file COPYING. If not, write to | |
| 20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 21 Boston, MA 02111-1307, USA. */ | |
| 22 | |
| 23 /* Synched up with: Not in FSF. */ | |
| 24 | |
| 442 | 25 /* 7-8-00 !!#### This file needs definite Mule review. */ |
| 26 | |
| 428 | 27 /* Original authors: Jamie Zawinski and the FSF */ |
| 28 /* Rewritten by Ben Wing and Chuck Thompson. */ | |
| 29 | |
| 30 #include <config.h> | |
| 31 #include "lisp.h" | |
| 32 | |
| 33 #include "buffer.h" | |
| 872 | 34 #include "device-impl.h" |
| 428 | 35 #include "elhash.h" |
| 36 #include "events.h" | |
| 37 #include "faces.h" | |
| 3707 | 38 #include "file-coding.h" |
| 872 | 39 #include "frame-impl.h" |
| 2684 | 40 #include "process.h" /* for egetenv */ |
| 428 | 41 #include "redisplay.h" |
| 42 #include "sysdep.h" | |
| 43 #include "window.h" | |
| 44 | |
| 872 | 45 #include "console-x-impl.h" |
| 800 | 46 #include "glyphs-x.h" |
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47 #include "fontcolor-x.h" |
| 800 | 48 |
| 428 | 49 #include "sysfile.h" |
| 50 #include "systime.h" | |
| 51 | |
| 800 | 52 #include "xintrinsicp.h" /* CoreP.h needs this */ |
| 53 #include <X11/CoreP.h> /* Numerous places access the fields of | |
| 54 a core widget directly. We could | |
| 55 use XtGetValues(), but ... */ | |
| 4917 | 56 #include "gccache-x.h" |
| 800 | 57 #include <X11/Shell.h> |
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58 #include <X11/Xmu/Error.h> |
| 800 | 59 |
| 442 | 60 #if defined(HAVE_SHLIB) && defined(LWLIB_USES_ATHENA) && !defined(HAVE_ATHENA_3D) |
| 440 | 61 #include "sysdll.h" |
| 442 | 62 #endif /* HAVE_SHLIB and LWLIB_USES_ATHENA and not HAVE_ATHENA_3D */ |
| 440 | 63 |
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64 Lisp_Object Vx_app_defaults_directory; |
| 771 | 65 #ifdef MULE |
| 66 Lisp_Object Qget_coding_system_from_locale; | |
| 428 | 67 #endif |
| 68 | |
| 69 /* Qdisplay in general.c */ | |
| 70 Lisp_Object Qx_error; | |
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71 Lisp_Object Qmake_device_early_x_entry_point, Qmake_device_late_x_entry_point; |
| 428 | 72 |
| 73 /* The application class of Emacs. */ | |
| 74 Lisp_Object Vx_emacs_application_class; | |
| 75 | |
| 76 Lisp_Object Vx_initial_argv_list; /* #### ugh! */ | |
| 77 | |
|
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78 /* Shut up G++ 4.3. */ |
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79 #define Xrm_ODR(option,resource,type,default) \ |
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80 { (String) option, (String) resource, type, default } |
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81 |
| 428 | 82 static XrmOptionDescRec emacs_options[] = |
| 83 { | |
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84 Xrm_ODR ("-geometry", ".geometry", XrmoptionSepArg, NULL), |
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85 Xrm_ODR ("-iconic", ".iconic", XrmoptionNoArg, (String) "yes"), |
| 428 | 86 |
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87 Xrm_ODR ("-internal-border-width", "*EmacsFrame.internalBorderWidth", XrmoptionSepArg, NULL), |
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88 Xrm_ODR ("-ib", "*EmacsFrame.internalBorderWidth", XrmoptionSepArg, NULL), |
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89 Xrm_ODR ("-scrollbar-width", "*EmacsFrame.scrollBarWidth", XrmoptionSepArg, NULL), |
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90 Xrm_ODR ("-scrollbar-height", "*EmacsFrame.scrollBarHeight", XrmoptionSepArg, NULL), |
| 428 | 91 |
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92 Xrm_ODR ("-privatecolormap", ".privateColormap", XrmoptionNoArg, (String) "yes"), |
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93 Xrm_ODR ("-visual", ".EmacsVisual", XrmoptionSepArg, NULL), |
| 428 | 94 |
| 95 /* #### Beware! If the type of the shell changes, update this. */ | |
|
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96 Xrm_ODR ("-T", "*TopLevelEmacsShell.title", XrmoptionSepArg, NULL), |
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97 Xrm_ODR ("-wn", "*TopLevelEmacsShell.title", XrmoptionSepArg, NULL), |
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98 Xrm_ODR ("-title", "*TopLevelEmacsShell.title", XrmoptionSepArg, NULL), |
| 428 | 99 |
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100 Xrm_ODR ("-iconname", "*TopLevelEmacsShell.iconName", XrmoptionSepArg, NULL), |
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101 Xrm_ODR ("-in", "*TopLevelEmacsShell.iconName", XrmoptionSepArg, NULL), |
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102 Xrm_ODR ("-mc", "*pointerColor", XrmoptionSepArg, NULL), |
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103 Xrm_ODR ("-cr", "*cursorColor", XrmoptionSepArg, NULL), |
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104 Xrm_ODR ("-fontset", "*FontSet", XrmoptionSepArg, NULL), |
| 428 | 105 }; |
| 106 | |
| 1204 | 107 static const struct memory_description x_device_data_description_1 [] = { |
| 108 { XD_LISP_OBJECT, offsetof (struct x_device, x_keysym_map_hash_table) }, | |
| 109 { XD_LISP_OBJECT, offsetof (struct x_device, WM_COMMAND_frame) }, | |
| 110 { XD_END } | |
| 111 }; | |
| 112 | |
| 3092 | 113 #ifdef NEW_GC |
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114 DEFINE_DUMPABLE_INTERNAL_LISP_OBJECT ("x-device", x_device, |
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115 0, x_device_data_description_1, |
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116 Lisp_X_Device); |
| 3092 | 117 #else /* not NEW_GC */ |
| 1204 | 118 extern const struct sized_memory_description x_device_data_description; |
| 119 | |
| 120 const struct sized_memory_description x_device_data_description = { | |
| 121 sizeof (struct x_device), x_device_data_description_1 | |
| 122 }; | |
| 3092 | 123 #endif /* not NEW_GC */ |
| 1204 | 124 |
| 428 | 125 /* Functions to synchronize mirroring resources and specifiers */ |
| 126 int in_resource_setting; | |
| 127 | |
| 128 /************************************************************************/ | |
| 129 /* helper functions */ | |
| 130 /************************************************************************/ | |
| 131 | |
| 132 /* JH 97/11/25 removed the static declaration because I need it during setup in event-Xt... */ | |
| 133 struct device * get_device_from_display_1 (Display *dpy); | |
| 134 struct device * | |
| 135 get_device_from_display_1 (Display *dpy) | |
| 136 { | |
| 137 Lisp_Object devcons, concons; | |
| 138 | |
| 139 DEVICE_LOOP_NO_BREAK (devcons, concons) | |
| 140 { | |
| 141 struct device *d = XDEVICE (XCAR (devcons)); | |
| 142 if (DEVICE_X_P (d) && DEVICE_X_DISPLAY (d) == dpy) | |
| 143 return d; | |
| 144 } | |
| 145 | |
| 146 return 0; | |
| 147 } | |
| 148 | |
| 149 struct device * | |
| 150 get_device_from_display (Display *dpy) | |
| 151 { | |
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152 #define FALLBACK_RESOURCE_NAME "xemacs" |
| 428 | 153 struct device *d = get_device_from_display_1 (dpy); |
| 154 | |
| 853 | 155 if (!d) |
| 156 { | |
| 157 /* This isn't one of our displays. Let's crash? */ | |
| 158 stderr_out | |
| 159 ("\n%s: Fatal X Condition. Asked about display we don't own: \"%s\"\n", | |
| 160 (STRINGP (Vinvocation_name) ? | |
| 161 (char *) XSTRING_DATA (Vinvocation_name) : FALLBACK_RESOURCE_NAME), | |
| 162 DisplayString (dpy) ? DisplayString (dpy) : "???"); | |
| 2500 | 163 ABORT(); |
| 853 | 164 } |
| 428 | 165 |
| 166 #undef FALLBACK_RESOURCE_NAME | |
| 167 | |
| 168 return d; | |
| 169 } | |
| 170 | |
| 171 struct device * | |
| 172 decode_x_device (Lisp_Object device) | |
| 173 { | |
| 793 | 174 device = wrap_device (decode_device (device)); |
| 428 | 175 CHECK_X_DEVICE (device); |
| 176 return XDEVICE (device); | |
| 177 } | |
| 178 | |
| 179 static Display * | |
| 180 get_x_display (Lisp_Object device) | |
| 181 { | |
| 182 return DEVICE_X_DISPLAY (decode_x_device (device)); | |
| 183 } | |
| 184 | |
| 771 | 185 static Lisp_Object |
| 2333 | 186 coding_system_of_xrm_database (XrmDatabase USED_IF_MULE (db)) |
| 771 | 187 { |
| 188 #ifdef MULE | |
| 3707 | 189 const Extbyte *locale; |
| 190 Lisp_Object localestr; | |
| 191 static XrmDatabase last_xrm_db; | |
| 192 | |
| 193 /* This will always be zero, nil or an actual coding system object, so no | |
| 194 need to worry about GCPROing it--it'll be protected from garbage | |
| 195 collection by means of Vcoding_system_hash_table in file-coding.c. */ | |
| 196 static Lisp_Object last_coding_system; | |
| 197 | |
| 198 if (db == last_xrm_db) | |
| 199 { | |
| 200 return last_coding_system; | |
| 201 } | |
| 202 | |
| 203 last_xrm_db = db; | |
| 204 | |
| 205 locale = XrmLocaleOfDatabase (db); | |
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206 localestr = build_extstring (locale, Qbinary); |
| 3707 | 207 last_coding_system = call1 (Qget_coding_system_from_locale, localestr); |
| 208 | |
| 209 return last_coding_system; | |
| 771 | 210 #else |
| 211 return Qbinary; | |
| 212 #endif | |
| 213 } | |
| 214 | |
| 428 | 215 |
| 216 /************************************************************************/ | |
| 217 /* initializing an X connection */ | |
| 218 /************************************************************************/ | |
| 219 | |
| 756 | 220 static struct device *device_being_initialized = NULL; |
| 221 | |
| 428 | 222 static void |
| 223 allocate_x_device_struct (struct device *d) | |
| 224 { | |
| 3092 | 225 #ifdef NEW_GC |
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226 d->device_data = XX_DEVICE (ALLOC_NORMAL_LISP_OBJECT (x_device)); |
| 3092 | 227 #else /* not NEW_GC */ |
| 428 | 228 d->device_data = xnew_and_zero (struct x_device); |
| 3092 | 229 #endif /* not NEW_GC */ |
| 428 | 230 } |
| 231 | |
| 232 static void | |
| 233 Xatoms_of_device_x (struct device *d) | |
| 234 { | |
| 235 Display *D = DEVICE_X_DISPLAY (d); | |
| 236 | |
| 237 DEVICE_XATOM_WM_PROTOCOLS (d) = XInternAtom (D, "WM_PROTOCOLS", False); | |
| 238 DEVICE_XATOM_WM_DELETE_WINDOW(d) = XInternAtom (D, "WM_DELETE_WINDOW",False); | |
| 239 DEVICE_XATOM_WM_SAVE_YOURSELF(d) = XInternAtom (D, "WM_SAVE_YOURSELF",False); | |
| 240 DEVICE_XATOM_WM_TAKE_FOCUS (d) = XInternAtom (D, "WM_TAKE_FOCUS", False); | |
| 241 DEVICE_XATOM_WM_STATE (d) = XInternAtom (D, "WM_STATE", False); | |
| 242 } | |
| 243 | |
| 244 static void | |
| 245 sanity_check_geometry_resource (Display *dpy) | |
| 246 { | |
| 771 | 247 Extbyte *app_name, *app_class, *s; |
| 248 Extbyte buf1 [255], buf2 [255]; | |
| 249 Extbyte *type; | |
| 428 | 250 XrmValue value; |
| 251 XtGetApplicationNameAndClass (dpy, &app_name, &app_class); | |
| 252 strcpy (buf1, app_name); | |
| 253 strcpy (buf2, app_class); | |
| 254 for (s = buf1; *s; s++) if (*s == '.') *s = '_'; | |
| 255 strcat (buf1, "._no_._such_._resource_.geometry"); | |
| 256 strcat (buf2, "._no_._such_._resource_.Geometry"); | |
| 257 if (XrmGetResource (XtDatabase (dpy), buf1, buf2, &type, &value) == True) | |
| 258 { | |
| 867 | 259 Ibyte *app_name_int, *app_class_int, *value_addr_int; |
| 771 | 260 Lisp_Object codesys = coding_system_of_xrm_database (XtDatabase (dpy)); |
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261 app_name_int = EXTERNAL_TO_ITEXT (app_name, codesys); |
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262 app_class_int = EXTERNAL_TO_ITEXT (app_class, codesys); |
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263 value_addr_int = EXTERNAL_TO_ITEXT (value.addr, codesys); |
| 771 | 264 |
| 428 | 265 warn_when_safe (Qgeometry, Qerror, |
| 266 "\n" | |
| 267 "Apparently \"%s*geometry: %s\" or \"%s*geometry: %s\" was\n" | |
| 268 "specified in the resource database. Specifying \"*geometry\" will make\n" | |
| 269 "XEmacs (and most other X programs) malfunction in obscure ways. (i.e.\n" | |
| 270 "the Xt or Xm libraries will probably crash, which is a very bad thing.)\n" | |
| 271 "You should always use \".geometry\" or \"*EmacsFrame.geometry\" instead.\n", | |
| 771 | 272 app_name_int, value_addr_int, |
| 273 app_class_int, value_addr_int); | |
| 428 | 274 suppress_early_error_handler_backtrace = 1; |
| 563 | 275 syntax_error ("Invalid geometry resource", Qunbound); |
| 428 | 276 } |
| 277 } | |
| 278 | |
| 279 static void | |
| 280 x_init_device_class (struct device *d) | |
| 281 { | |
| 282 if (DEVICE_X_DEPTH(d) > 2) | |
| 283 { | |
| 1204 | 284 switch (DEVICE_X_VISUAL(d)->X_CLASSFIELD) |
| 428 | 285 { |
| 286 case StaticGray: | |
| 287 case GrayScale: | |
| 288 DEVICE_CLASS (d) = Qgrayscale; | |
| 289 break; | |
| 290 default: | |
| 291 DEVICE_CLASS (d) = Qcolor; | |
| 292 } | |
| 293 } | |
| 294 else | |
| 295 DEVICE_CLASS (d) = Qmono; | |
| 296 } | |
| 297 | |
| 298 /* | |
| 299 * Figure out what application name to use for xemacs | |
| 300 * | |
| 301 * Since we have decomposed XtOpenDisplay into XOpenDisplay and | |
| 302 * XtDisplayInitialize, we no longer get this for free. | |
| 303 * | |
| 304 * If there is a `-name' argument in argv, use that. | |
| 305 * Otherwise use the last component of argv[0]. | |
| 306 * | |
| 307 * I have removed the gratuitous use of getenv("RESOURCE_NAME") | |
| 308 * which was in X11R5, but left the matching of any prefix of `-name'. | |
| 309 * Finally, if all else fails, return `xemacs', as it is more | |
| 310 * appropriate (X11R5 returns `main'). | |
| 311 */ | |
| 442 | 312 static Extbyte * |
| 313 compute_x_app_name (int argc, Extbyte **argv) | |
| 428 | 314 { |
| 315 int i; | |
| 442 | 316 Extbyte *ptr; |
| 428 | 317 |
| 318 for (i = 1; i < argc - 1; i++) | |
| 319 if (!strncmp(argv[i], "-name", max (2, strlen (argv[1])))) | |
| 320 return argv[i+1]; | |
| 321 | |
| 322 if (argc > 0 && argv[0] && *argv[0]) | |
| 323 return (ptr = strrchr (argv[0], '/')) ? ++ptr : argv[0]; | |
| 324 | |
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325 return (Extbyte *) "xemacs"; /* shut up g++ 4.3 */ |
| 428 | 326 } |
| 327 | |
| 328 /* | |
| 329 * This function figures out whether the user has any resources of the | |
| 330 * form "XEmacs.foo" or "XEmacs*foo". | |
| 331 * | |
| 332 * Currently we only consult the display's global resources; to look | |
| 333 * for screen specific resources, we would need to also consult: | |
| 334 * xdefs = XScreenResourceString(ScreenOfDisplay(dpy, scrno)); | |
| 335 */ | |
| 336 static int | |
| 337 have_xemacs_resources_in_xrdb (Display *dpy) | |
| 338 { | |
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339 const char *xdefs, *key; |
| 428 | 340 int len; |
| 341 | |
| 342 key = "XEmacs"; | |
| 343 len = strlen (key); | |
| 344 | |
| 345 if (!dpy) | |
| 346 return 0; | |
| 347 | |
| 348 xdefs = XResourceManagerString (dpy); /* don't free - owned by X */ | |
| 349 while (xdefs && *xdefs) | |
| 350 { | |
| 351 if (strncmp (xdefs, key, len) == 0 && | |
| 352 (xdefs[len] == '*' || xdefs[len] == '.')) | |
| 353 return 1; | |
| 354 | |
| 355 while (*xdefs && *xdefs++ != '\n') /* find start of next entry.. */ | |
| 356 ; | |
| 357 } | |
| 358 | |
| 359 return 0; | |
| 360 } | |
| 361 | |
| 362 /* Only the characters [-_A-Za-z0-9] are allowed in the individual | |
| 363 components of a resource. Convert invalid characters to `-' */ | |
| 364 | |
| 365 static char valid_resource_char_p[256]; | |
| 366 | |
| 367 static void | |
| 771 | 368 validify_resource_component (Extbyte *str, Bytecount len) |
| 428 | 369 { |
| 370 for (; len; len--, str++) | |
| 371 if (!valid_resource_char_p[(unsigned char) (*str)]) | |
| 372 *str = '-'; | |
| 373 } | |
| 374 | |
| 375 static void | |
| 771 | 376 Dynarr_add_validified_lisp_string (Extbyte_dynarr *cda, Lisp_Object str) |
| 428 | 377 { |
| 771 | 378 Bytecount len; |
| 379 Extbyte *data; | |
| 380 | |
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381 LISP_STRING_TO_SIZED_EXTERNAL (str, data, len, Qbinary); |
| 771 | 382 Dynarr_add_many (cda, data, len); |
| 383 validify_resource_component (Dynarr_atp (cda, Dynarr_length (cda) - len), | |
| 384 len); | |
| 428 | 385 } |
| 386 | |
| 387 #if 0 | |
| 388 /* compare visual info for qsorting */ | |
| 389 static int | |
| 390 x_comp_visual_info (const void *elem1, const void *elem2) | |
| 391 { | |
| 392 XVisualInfo *left, *right; | |
| 393 | |
| 394 left = (XVisualInfo *)elem1; | |
| 395 right = (XVisualInfo *)elem2; | |
| 396 | |
| 397 if ( left == NULL ) | |
| 398 return -1; | |
| 399 if ( right == NULL ) | |
| 400 return 1; | |
| 401 | |
| 771 | 402 if ( left->depth > right->depth ) |
| 428 | 403 return 1; |
| 771 | 404 else if ( left->depth == right->depth ) |
| 405 { | |
| 406 if ( left->colormap_size > right->colormap_size ) | |
| 407 return 1; | |
| 1204 | 408 if ( left->X_CLASSFIELD > right->X_CLASSFIELD ) |
| 771 | 409 return 1; |
| 1204 | 410 else if ( left->X_CLASSFIELD < right->X_CLASSFIELD ) |
| 771 | 411 return -1; |
| 412 else | |
| 413 return 0; | |
| 414 } | |
| 415 else | |
| 428 | 416 return -1; |
| 417 } | |
| 418 #endif /* if 0 */ | |
| 419 | |
| 420 #define XXX_IMAGE_LIBRARY_IS_SOMEWHAT_BROKEN | |
| 421 static Visual * | |
| 422 x_try_best_visual_class (Screen *screen, int scrnum, int visual_class) | |
| 423 { | |
| 424 Display *dpy = DisplayOfScreen (screen); | |
| 425 XVisualInfo vi_in; | |
| 426 XVisualInfo *vi_out = NULL; | |
| 427 int out_count; | |
| 428 | |
| 1204 | 429 vi_in.X_CLASSFIELD = visual_class; |
| 428 | 430 vi_in.screen = scrnum; |
| 431 vi_out = XGetVisualInfo (dpy, (VisualClassMask | VisualScreenMask), | |
| 432 &vi_in, &out_count); | |
| 433 if ( vi_out ) | |
| 434 { | |
| 435 int i, best; | |
| 436 Visual *visual; | |
| 437 for (i = 0, best = 0; i < out_count; i++) | |
| 438 /* It's better if it's deeper, or if it's the same depth with | |
| 439 more cells (does that ever happen? Well, it could...) | |
| 440 NOTE: don't allow pseudo color to get larger than 8! */ | |
| 441 if (((vi_out [i].depth > vi_out [best].depth) || | |
| 442 ((vi_out [i].depth == vi_out [best].depth) && | |
| 443 (vi_out [i].colormap_size > vi_out [best].colormap_size))) | |
| 444 #ifdef XXX_IMAGE_LIBRARY_IS_SOMEWHAT_BROKEN | |
| 445 /* For now, the image library doesn't like PseudoColor visuals | |
| 446 of depths other than 1 or 8. Depths greater than 8 only occur | |
| 447 on machines which have TrueColor anyway, so probably we'll end | |
| 448 up using that (it is the one that `Best' would pick) but if a | |
| 449 PseudoColor visual is explicitly specified, pick the 8 bit one. | |
| 450 */ | |
| 451 && (visual_class != PseudoColor || | |
| 452 vi_out [i].depth == 1 || | |
| 453 vi_out [i].depth == 8) | |
| 454 #endif | |
| 455 | |
| 456 /* SGI has 30-bit deep visuals. Ignore them. | |
| 457 (We only have 24-bit data anyway.) | |
| 458 */ | |
| 459 && (vi_out [i].depth <= 24) | |
| 460 ) | |
| 461 best = i; | |
| 462 visual = vi_out[best].visual; | |
| 463 XFree ((char *) vi_out); | |
| 464 return visual; | |
| 465 } | |
| 466 else | |
| 467 return 0; | |
| 468 } | |
| 469 | |
| 470 static int | |
| 471 x_get_visual_depth (Display *dpy, Visual *visual) | |
| 472 { | |
| 473 XVisualInfo vi_in; | |
| 474 XVisualInfo *vi_out; | |
| 475 int out_count, d; | |
| 476 | |
| 477 vi_in.visualid = XVisualIDFromVisual (visual); | |
| 478 vi_out = XGetVisualInfo (dpy, /*VisualScreenMask|*/VisualIDMask, | |
| 479 &vi_in, &out_count); | |
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480 assert (vi_out); |
| 428 | 481 d = vi_out [0].depth; |
| 482 XFree ((char *) vi_out); | |
| 483 return d; | |
| 484 } | |
| 485 | |
| 486 static Visual * | |
| 487 x_try_best_visual (Display *dpy, int scrnum) | |
| 488 { | |
| 489 Visual *visual = NULL; | |
| 490 Screen *screen = ScreenOfDisplay (dpy, scrnum); | |
| 491 if ((visual = x_try_best_visual_class (screen, scrnum, TrueColor)) | |
| 492 && x_get_visual_depth (dpy, visual) >= 16 ) | |
| 493 return visual; | |
| 494 if ((visual = x_try_best_visual_class (screen, scrnum, PseudoColor))) | |
| 495 return visual; | |
| 496 if ((visual = x_try_best_visual_class (screen, scrnum, TrueColor))) | |
| 497 return visual; | |
| 498 #ifdef DIRECTCOLOR_WORKS | |
| 499 if ((visual = x_try_best_visual_class (screen, scrnum, DirectColor))) | |
| 500 return visual; | |
| 501 #endif | |
| 502 | |
| 503 visual = DefaultVisualOfScreen (screen); | |
| 504 if ( x_get_visual_depth (dpy, visual) >= 8 ) | |
| 505 return visual; | |
| 506 | |
| 507 if ((visual = x_try_best_visual_class (screen, scrnum, StaticGray))) | |
| 508 return visual; | |
| 509 if ((visual = x_try_best_visual_class (screen, scrnum, GrayScale))) | |
| 510 return visual; | |
| 511 return DefaultVisualOfScreen (screen); | |
| 512 } | |
| 513 | |
| 514 | |
| 515 static void | |
| 2286 | 516 x_init_device (struct device *d, Lisp_Object UNUSED (props)) |
| 428 | 517 { |
| 2367 | 518 /* !!#### */ |
| 428 | 519 Lisp_Object display; |
| 520 Display *dpy; | |
| 521 Widget app_shell; | |
| 522 int argc; | |
| 442 | 523 Extbyte **argv; |
| 524 const char *app_class; | |
| 525 const char *app_name; | |
| 526 const char *disp_name; | |
| 428 | 527 Visual *visual = NULL; |
| 528 int depth = 8; /* shut up the compiler */ | |
| 529 Colormap cmap; | |
| 530 int screen; | |
| 531 /* */ | |
| 532 int best_visual_found = 0; | |
| 533 | |
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534 /* Run the elisp side of the X device initialization, allowing it to set |
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535 x-emacs-application-class and x-app-defaults-directory. */ |
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536 call0 (Qmake_device_early_x_entry_point); |
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537 |
| 442 | 538 #if defined(HAVE_SHLIB) && defined(LWLIB_USES_ATHENA) && !defined(HAVE_ATHENA_3D) |
| 440 | 539 /* |
| 540 * In order to avoid the lossage with flat Athena widgets dynamically | |
| 541 * linking to one of the ThreeD variants, using the dynamic symbol helpers | |
| 542 * to look for symbols that shouldn't be there and refusing to run if they | |
| 543 * are seems a less toxic idea than having XEmacs crash when we try and | |
| 544 * use a subclass of a widget that has changed size. | |
| 545 * | |
| 546 * It's ugly, I know, and not going to work everywhere. It seems better to | |
| 547 * do our damnedest to try and tell the user what to expect rather than | |
| 548 * simply blow up though. | |
| 549 * | |
| 550 * All the ThreeD variants I have access to define the following function | |
| 551 * symbols in the shared library. The flat Xaw library does not define them: | |
| 552 * | |
| 553 * Xaw3dComputeBottomShadowRGB | |
| 554 * Xaw3dComputeTopShadowRGB | |
| 555 * | |
| 556 * So far only Linux has shown this problem. This seems to be portable to | |
| 557 * all the distributions (certainly all the ones I checked - Debian and | |
| 558 * Redhat) | |
| 559 * | |
| 560 * This will only work, sadly, with dlopen() -- the other dynamic linkers | |
| 561 * are simply not capable of doing what is needed. :/ | |
| 562 */ | |
| 563 | |
| 564 { | |
| 565 /* Get a dll handle to the main process. */ | |
| 1706 | 566 dll_handle xaw_dll_handle = dll_open (Qnil); |
| 440 | 567 |
| 568 /* Did that fail? If so, continue without error. | |
| 569 * We could die here but, well, that's unfriendly and all -- plus I feel | |
| 570 * better about some crashing somewhere rather than preventing a perfectly | |
| 571 * good configuration working just because dll_open failed. | |
| 572 */ | |
| 573 if (xaw_dll_handle != NULL) | |
| 574 { | |
| 575 /* Look for the Xaw3d function */ | |
| 576 dll_func xaw_function_handle = | |
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577 dll_function (xaw_dll_handle, |
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578 (const Ibyte *) "Xaw3dComputeTopShadowRGB"); |
| 440 | 579 |
| 580 /* If we found it, warn the user in big, nasty, unfriendly letters */ | |
| 581 if (xaw_function_handle != NULL) | |
| 582 { | |
| 793 | 583 warn_when_safe (Qdevice, Qcritical, "\n" |
| 440 | 584 "It seems that XEmacs is built dynamically linked to the flat Athena widget\n" |
| 585 "library but it finds a 3D Athena variant with the same name at runtime.\n" | |
| 586 "\n" | |
| 587 "This WILL cause your XEmacs process to dump core at some point.\n" | |
| 588 "You should not continue to use this binary without resolving this issue.\n" | |
| 589 "\n" | |
| 590 "This can be solved with the xaw-wrappers package under Debian\n" | |
| 591 "(register XEmacs as incompatible with all 3d widget sets, see\n" | |
| 592 "update-xaw-wrappers(8) and .../doc/xaw-wrappers/README.packagers). It\n" | |
| 593 "can be verified by checking the runtime path in /etc/ld.so.conf and by\n" | |
| 594 "using `ldd /path/to/xemacs' under other Linux distributions. One\n" | |
| 595 "solution is to use LD_PRELOAD or LD_LIBRARY_PATH to force ld.so to\n" | |
| 596 "load the flat Athena widget library instead of the aliased 3D widget\n" | |
| 597 "library (see ld.so(8) for use of these environment variables).\n\n" | |
| 598 ); | |
| 599 | |
| 600 } | |
| 601 | |
| 602 /* Otherwise release the handle to the library | |
| 603 * No error catch here; I can't think of a way to recover anyhow. | |
| 604 */ | |
| 605 dll_close (xaw_dll_handle); | |
| 606 } | |
| 607 } | |
| 442 | 608 #endif /* HAVE_SHLIB and LWLIB_USES_ATHENA and not HAVE_ATHENA_3D */ |
| 440 | 609 |
| 428 | 610 display = DEVICE_CONNECTION (d); |
| 611 | |
| 612 allocate_x_device_struct (d); | |
| 613 | |
| 614 make_argc_argv (Vx_initial_argv_list, &argc, &argv); | |
| 615 | |
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616 disp_name = LISP_STRING_TO_EXTERNAL (display, Qctext); |
| 428 | 617 |
| 618 /* | |
| 619 * Break apart the old XtOpenDisplay call into XOpenDisplay and | |
| 620 * XtDisplayInitialize so we can figure out whether there | |
| 621 * are any XEmacs resources in the resource database before | |
| 622 * we initialize Xt. This is so we can automagically support | |
| 623 * both `Emacs' and `XEmacs' application classes. | |
| 624 */ | |
| 625 slow_down_interrupts (); | |
| 626 /* May not be needed but XtOpenDisplay could not deal with signals here. */ | |
| 756 | 627 device_being_initialized = d; |
| 428 | 628 dpy = DEVICE_X_DISPLAY (d) = XOpenDisplay (disp_name); |
| 756 | 629 device_being_initialized = NULL; |
| 428 | 630 speed_up_interrupts (); |
| 631 | |
| 632 if (dpy == 0) | |
| 633 { | |
| 634 suppress_early_error_handler_backtrace = 1; | |
| 563 | 635 gui_error ("X server not responding\n", display); |
| 428 | 636 } |
| 637 | |
| 638 if (STRINGP (Vx_emacs_application_class) && | |
| 639 XSTRING_LENGTH (Vx_emacs_application_class) > 0) | |
|
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640 app_class = LISP_STRING_TO_EXTERNAL (Vx_emacs_application_class, Qctext); |
| 428 | 641 else |
| 642 { | |
| 2681 | 643 if (egetenv ("USE_EMACS_AS_DEFAULT_APPLICATION_CLASS")) |
| 644 { | |
| 645 app_class = (NILP (Vx_emacs_application_class) && | |
| 646 have_xemacs_resources_in_xrdb (dpy)) | |
| 647 ? "XEmacs" | |
| 648 : "Emacs"; | |
| 649 } | |
| 650 else | |
| 651 { | |
| 652 app_class = "XEmacs"; | |
| 653 } | |
| 654 | |
| 428 | 655 /* need to update Vx_emacs_application_class: */ |
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656 Vx_emacs_application_class = build_cistring (app_class); |
| 428 | 657 } |
| 658 | |
| 659 slow_down_interrupts (); | |
| 660 /* May not be needed but XtOpenDisplay could not deal with signals here. | |
| 661 Yuck. */ | |
| 662 XtDisplayInitialize (Xt_app_con, dpy, compute_x_app_name (argc, argv), | |
| 663 app_class, emacs_options, | |
| 442 | 664 XtNumber (emacs_options), &argc, (char **) argv); |
| 428 | 665 speed_up_interrupts (); |
| 666 | |
| 667 screen = DefaultScreen (dpy); | |
| 668 | |
| 669 #ifdef MULE | |
| 670 { | |
| 671 /* Read in locale-specific resources from | |
| 672 data-directory/app-defaults/$LANG/Emacs. | |
| 673 This is in addition to the standard app-defaults files, and | |
| 674 does not override resources defined elsewhere */ | |
| 771 | 675 const Extbyte *data_dir; |
| 676 Extbyte *path; | |
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677 const Extbyte *format; |
| 428 | 678 XrmDatabase db = XtDatabase (dpy); /* #### XtScreenDatabase(dpy) ? */ |
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679 Extbyte *locale = xstrdup (XrmLocaleOfDatabase (db)); |
| 3644 | 680 Extbyte *locale_end; |
| 428 | 681 |
| 682 if (STRINGP (Vx_app_defaults_directory) && | |
| 683 XSTRING_LENGTH (Vx_app_defaults_directory) > 0) | |
| 684 { | |
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685 LISP_PATHNAME_CONVERT_OUT (Vx_app_defaults_directory, data_dir); |
| 2367 | 686 path = alloca_extbytes (strlen (data_dir) + strlen (locale) + 7); |
| 3644 | 687 format = "%s%s/Emacs"; |
| 428 | 688 } |
| 689 else if (STRINGP (Vdata_directory) && XSTRING_LENGTH (Vdata_directory) > 0) | |
| 690 { | |
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691 LISP_PATHNAME_CONVERT_OUT (Vdata_directory, data_dir); |
| 2367 | 692 path = alloca_extbytes (strlen (data_dir) + 13 + strlen (locale) + 7); |
| 3644 | 693 format = "%sapp-defaults/%s/Emacs"; |
| 428 | 694 } |
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695 else |
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696 { |
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697 goto no_data_directory; |
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698 } |
| 3644 | 699 |
| 700 /* | |
| 701 * The general form for $LANG is <language>_<country>.<encoding>. Try | |
| 702 * that form, <language>_<country> and <language> and load for first | |
| 703 * app-defaults file found. | |
| 704 */ | |
| 705 | |
| 706 sprintf (path, format, data_dir, locale); | |
| 707 if (!access (path, R_OK)) | |
| 708 XrmCombineFileDatabase (path, &db, False); | |
| 709 | |
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710 if ((locale_end = strchr (locale, '.'))) |
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711 { |
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712 *locale_end = '\0'; |
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713 sprintf (path, format, data_dir, locale); |
| 3644 | 714 |
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715 if (!access (path, R_OK)) |
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716 XrmCombineFileDatabase (path, &db, False); |
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717 } |
| 3644 | 718 |
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719 if ((locale_end = strchr (locale, '_'))) |
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720 { |
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721 *locale_end = '\0'; |
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722 sprintf (path, format, data_dir, locale); |
| 3644 | 723 |
|
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724 if (!access (path, R_OK)) |
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725 XrmCombineFileDatabase (path, &db, False); |
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726 } |
| 3644 | 727 |
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Jerry James <james@xemacs.org>
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728 no_data_directory: |
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729 xfree (locale); |
| 428 | 730 } |
| 731 #endif /* MULE */ | |
| 732 | |
| 733 if (NILP (DEVICE_NAME (d))) | |
| 734 DEVICE_NAME (d) = display; | |
| 735 | |
| 736 /* We're going to modify the string in-place, so be a nice XEmacs */ | |
| 737 DEVICE_NAME (d) = Fcopy_sequence (DEVICE_NAME (d)); | |
| 738 /* colons and periods can't appear in individual elements of resource | |
| 739 strings */ | |
| 740 | |
| 741 XtGetApplicationNameAndClass (dpy, (char **) &app_name, (char **) &app_class); | |
| 742 /* search for a matching visual if requested by the user, or setup the display default */ | |
| 743 { | |
| 744 int resource_name_length = max (sizeof (".emacsVisual"), | |
| 745 sizeof (".privateColormap")); | |
| 746 char *buf1 = alloca_array (char, strlen (app_name) + resource_name_length); | |
| 747 char *buf2 = alloca_array (char, strlen (app_class) + resource_name_length); | |
| 748 char *type; | |
| 749 XrmValue value; | |
| 750 | |
| 751 sprintf (buf1, "%s.emacsVisual", app_name); | |
| 752 sprintf (buf2, "%s.EmacsVisual", app_class); | |
| 753 if (XrmGetResource (XtDatabase (dpy), buf1, buf2, &type, &value) == True) | |
| 754 { | |
| 755 int cnt = 0; | |
| 756 int vis_class = PseudoColor; | |
| 757 XVisualInfo vinfo; | |
| 758 char *str = (char*) value.addr; | |
| 759 | |
| 760 #define CHECK_VIS_CLASS(visual_class) \ | |
| 761 else if (memcmp (str, #visual_class, sizeof (#visual_class) - 1) == 0) \ | |
| 762 cnt = sizeof (#visual_class) - 1, vis_class = visual_class | |
| 763 | |
| 764 if (1) | |
| 765 ; | |
| 766 CHECK_VIS_CLASS (StaticGray); | |
| 767 CHECK_VIS_CLASS (StaticColor); | |
| 768 CHECK_VIS_CLASS (TrueColor); | |
| 769 CHECK_VIS_CLASS (GrayScale); | |
| 770 CHECK_VIS_CLASS (PseudoColor); | |
| 771 CHECK_VIS_CLASS (DirectColor); | |
| 772 | |
| 773 if (cnt) | |
| 774 { | |
| 775 depth = atoi (str + cnt); | |
| 776 if (depth == 0) | |
| 777 { | |
| 771 | 778 stderr_out ("Invalid Depth specification in %s... " |
| 779 "ignoring...\n", str); | |
| 428 | 780 } |
| 781 else | |
| 782 { | |
| 783 if (XMatchVisualInfo (dpy, screen, depth, vis_class, &vinfo)) | |
| 784 { | |
| 785 visual = vinfo.visual; | |
| 786 } | |
| 787 else | |
| 788 { | |
| 771 | 789 stderr_out ("Can't match the requested visual %s... " |
| 790 "using defaults\n", str); | |
| 428 | 791 } |
| 792 } | |
| 793 } | |
| 794 else | |
| 795 { | |
| 771 | 796 stderr_out ("Invalid Visual specification in %s... " |
| 797 "ignoring.\n", str); | |
| 428 | 798 } |
| 799 } | |
| 800 if (visual == NULL) | |
| 801 { | |
| 802 /* | |
| 803 visual = DefaultVisual(dpy, screen); | |
| 804 depth = DefaultDepth(dpy, screen); | |
| 805 */ | |
| 806 visual = x_try_best_visual (dpy, screen); | |
| 807 depth = x_get_visual_depth (dpy, visual); | |
| 808 best_visual_found = (visual != DefaultVisual (dpy, screen)); | |
| 809 } | |
| 810 | |
| 811 /* If we've got the same visual as the default and it's PseudoColor, | |
| 812 check to see if the user specified that we need a private colormap */ | |
| 813 if (visual == DefaultVisual (dpy, screen)) | |
| 814 { | |
| 815 sprintf (buf1, "%s.privateColormap", app_name); | |
| 816 sprintf (buf2, "%s.PrivateColormap", app_class); | |
| 1204 | 817 if ((visual->X_CLASSFIELD == PseudoColor) && |
| 771 | 818 (XrmGetResource (XtDatabase (dpy), buf1, buf2, &type, &value) |
| 819 == True)) | |
| 820 cmap = XCopyColormapAndFree (dpy, DefaultColormap (dpy, screen)); | |
| 428 | 821 else |
| 771 | 822 cmap = DefaultColormap (dpy, screen); |
| 428 | 823 } |
| 824 else | |
| 825 { | |
| 826 if ( best_visual_found ) | |
| 771 | 827 cmap = XCreateColormap (dpy, RootWindow (dpy, screen), visual, |
| 828 AllocNone); | |
| 428 | 829 else |
| 830 { | |
| 771 | 831 /* We have to create a matching colormap anyway... #### |
| 832 think about using standard colormaps (need the Xmu | |
| 833 libs?) */ | |
| 834 cmap = XCreateColormap (dpy, RootWindow (dpy, screen), visual, | |
| 835 AllocNone); | |
| 836 XInstallColormap (dpy, cmap); | |
| 428 | 837 } |
| 838 } | |
| 839 } | |
| 840 | |
| 841 DEVICE_X_VISUAL (d) = visual; | |
| 842 DEVICE_X_COLORMAP (d) = cmap; | |
| 843 DEVICE_X_DEPTH (d) = depth; | |
| 844 validify_resource_component ((char *) XSTRING_DATA (DEVICE_NAME (d)), | |
| 845 XSTRING_LENGTH (DEVICE_NAME (d))); | |
| 846 | |
| 2007 | 847 /* #### If we're going to implement X session management, this would |
| 848 be the place. Make sure it doesn't conflict with GNOME. */ | |
| 428 | 849 { |
| 850 Arg al[3]; | |
|
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851 Xt_SET_ARG (al[0], XtNvisual, visual); |
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852 Xt_SET_ARG (al[1], XtNdepth, depth); |
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853 Xt_SET_ARG (al[2], XtNcolormap, cmap); |
| 428 | 854 |
| 855 app_shell = XtAppCreateShell (NULL, app_class, | |
| 856 applicationShellWidgetClass, | |
| 857 dpy, al, countof (al)); | |
| 858 } | |
| 859 | |
| 860 DEVICE_XT_APP_SHELL (d) = app_shell; | |
| 861 | |
| 862 #ifdef HAVE_XIM | |
| 863 XIM_init_device(d); | |
| 864 #endif /* HAVE_XIM */ | |
| 865 | |
| 866 /* Realize the app_shell so that its window exists for GC creation purposes, | |
| 867 and set it to the size of the root window for child placement purposes */ | |
| 868 { | |
| 869 Arg al[5]; | |
|
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870 Xt_SET_ARG (al[0], XtNmappedWhenManaged, False); |
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871 Xt_SET_ARG (al[1], XtNx, 0); |
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872 Xt_SET_ARG (al[2], XtNy, 0); |
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873 Xt_SET_ARG (al[3], XtNwidth, |
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874 WidthOfScreen (ScreenOfDisplay (dpy, screen))); |
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875 Xt_SET_ARG (al[4], XtNheight, |
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876 HeightOfScreen (ScreenOfDisplay (dpy, screen))); |
| 428 | 877 XtSetValues (app_shell, al, countof (al)); |
| 878 XtRealizeWidget (app_shell); | |
| 879 } | |
| 880 | |
| 881 #ifdef HAVE_WMCOMMAND | |
| 882 { | |
| 883 int new_argc; | |
| 442 | 884 Extbyte **new_argv; |
| 428 | 885 make_argc_argv (Vcommand_line_args, &new_argc, &new_argv); |
| 442 | 886 XSetCommand (XtDisplay (app_shell), XtWindow (app_shell), |
| 887 (char **) new_argv, new_argc); | |
| 428 | 888 free_argc_argv (new_argv); |
| 889 } | |
| 890 #endif /* HAVE_WMCOMMAND */ | |
| 891 | |
| 892 Vx_initial_argv_list = make_arg_list (argc, argv); | |
| 893 free_argc_argv (argv); | |
| 894 | |
| 895 DEVICE_X_WM_COMMAND_FRAME (d) = Qnil; | |
| 896 | |
| 897 sanity_check_geometry_resource (dpy); | |
| 898 | |
| 899 /* In event-Xt.c */ | |
| 900 x_init_modifier_mapping (d); | |
| 901 | |
| 902 DEVICE_INFD (d) = DEVICE_OUTFD (d) = ConnectionNumber (dpy); | |
| 903 init_baud_rate (d); | |
| 904 init_one_device (d); | |
| 905 | |
| 771 | 906 DEVICE_X_GC_CACHE (d) = make_gc_cache (dpy, XtWindow (app_shell)); |
| 428 | 907 DEVICE_X_GRAY_PIXMAP (d) = None; |
| 908 Xatoms_of_device_x (d); | |
| 440 | 909 Xatoms_of_select_x (d); |
|
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910 Xatoms_of_fontcolor_x (d); |
| 428 | 911 x_init_device_class (d); |
| 912 } | |
| 913 | |
| 914 static void | |
|
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915 x_finish_init_device (struct device *d, Lisp_Object UNUSED (props)) |
| 428 | 916 { |
|
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917 call1 (Qmake_device_late_x_entry_point, wrap_device (d)); |
| 428 | 918 } |
| 919 | |
| 920 static void | |
| 921 x_mark_device (struct device *d) | |
| 922 { | |
| 923 mark_object (DEVICE_X_WM_COMMAND_FRAME (d)); | |
| 924 mark_object (DEVICE_X_DATA (d)->x_keysym_map_hash_table); | |
| 925 } | |
| 926 | |
| 927 | |
| 928 /************************************************************************/ | |
| 929 /* closing an X connection */ | |
| 930 /************************************************************************/ | |
| 931 | |
| 4117 | 932 #ifndef NEW_GC |
| 428 | 933 static void |
| 934 free_x_device_struct (struct device *d) | |
| 935 { | |
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936 xfree (d->device_data); |
| 4117 | 937 } |
| 3092 | 938 #endif /* not NEW_GC */ |
| 428 | 939 |
| 940 static void | |
| 941 x_delete_device (struct device *d) | |
| 942 { | |
| 943 Display *display; | |
| 944 #ifdef FREE_CHECKING | |
| 945 extern void (*__free_hook) (void *); | |
| 946 int checking_free; | |
| 947 #endif | |
| 948 | |
| 949 display = DEVICE_X_DISPLAY (d); | |
| 950 | |
| 951 if (display) | |
| 952 { | |
| 953 #ifdef FREE_CHECKING | |
| 954 checking_free = (__free_hook != 0); | |
| 955 | |
| 956 /* Disable strict free checking, to avoid bug in X library */ | |
| 957 if (checking_free) | |
| 958 disable_strict_free_check (); | |
| 959 #endif | |
| 960 | |
| 961 free_gc_cache (DEVICE_X_GC_CACHE (d)); | |
| 962 if (DEVICE_X_DATA (d)->x_modifier_keymap) | |
| 963 XFreeModifiermap (DEVICE_X_DATA (d)->x_modifier_keymap); | |
| 964 if (DEVICE_X_DATA (d)->x_keysym_map) | |
| 965 XFree ((char *) DEVICE_X_DATA (d)->x_keysym_map); | |
| 966 | |
| 967 if (DEVICE_XT_APP_SHELL (d)) | |
| 968 { | |
| 969 XtDestroyWidget (DEVICE_XT_APP_SHELL (d)); | |
| 970 DEVICE_XT_APP_SHELL (d) = NULL; | |
| 971 } | |
| 972 | |
| 973 XtCloseDisplay (display); | |
| 974 DEVICE_X_DISPLAY (d) = 0; | |
| 975 #ifdef FREE_CHECKING | |
| 976 if (checking_free) | |
| 977 enable_strict_free_check (); | |
| 978 #endif | |
| 979 } | |
| 980 | |
| 4117 | 981 #ifndef NEW_GC |
| 428 | 982 free_x_device_struct (d); |
| 4117 | 983 #endif /* not NEW_GC */ |
| 428 | 984 } |
| 985 | |
| 986 | |
| 987 /************************************************************************/ | |
| 988 /* handle X errors */ | |
| 989 /************************************************************************/ | |
| 990 | |
|
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991 const Ascbyte * |
| 428 | 992 x_event_name (int event_type) |
| 993 { | |
|
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994 static const Ascbyte *events[] = |
| 428 | 995 { |
| 996 "0: ERROR!", | |
| 997 "1: REPLY", | |
| 998 "KeyPress", | |
| 999 "KeyRelease", | |
| 1000 "ButtonPress", | |
| 1001 "ButtonRelease", | |
| 1002 "MotionNotify", | |
| 1003 "EnterNotify", | |
| 1004 "LeaveNotify", | |
| 1005 "FocusIn", | |
| 1006 "FocusOut", | |
| 1007 "KeymapNotify", | |
| 1008 "Expose", | |
| 1009 "GraphicsExpose", | |
| 1010 "NoExpose", | |
| 1011 "VisibilityNotify", | |
| 1012 "CreateNotify", | |
| 1013 "DestroyNotify", | |
| 1014 "UnmapNotify", | |
| 1015 "MapNotify", | |
| 1016 "MapRequest", | |
| 1017 "ReparentNotify", | |
| 1018 "ConfigureNotify", | |
| 1019 "ConfigureRequest", | |
| 1020 "GravityNotify", | |
| 1021 "ResizeRequest", | |
| 1022 "CirculateNotify", | |
| 1023 "CirculateRequest", | |
| 1024 "PropertyNotify", | |
| 1025 "SelectionClear", | |
| 1026 "SelectionRequest", | |
| 1027 "SelectionNotify", | |
| 1028 "ColormapNotify", | |
| 1029 "ClientMessage", | |
| 1030 "MappingNotify", | |
| 1031 "LASTEvent" | |
| 1032 }; | |
| 1033 | |
| 1034 if (event_type < 0 || event_type >= countof (events)) | |
| 1035 return NULL; | |
| 1036 return events [event_type]; | |
| 1037 } | |
| 1038 | |
| 1039 /* Handling errors. | |
| 1040 | |
| 1041 If an X error occurs which we are not expecting, we have no alternative | |
| 1042 but to print it to stderr. It would be nice to stuff it into a pop-up | |
| 1043 buffer, or to print it in the minibuffer, but that's not possible, because | |
| 1044 one is not allowed to do any I/O on the display connection from an error | |
| 1045 handler. The guts of Xlib expect these functions to either return or exit. | |
| 1046 | |
| 1047 However, there are occasions when we might expect an error to reasonably | |
| 1048 occur. The interface to this is as follows: | |
| 1049 | |
| 1050 Before calling some X routine which may error, call | |
| 1051 expect_x_error (dpy); | |
| 1052 | |
| 1053 Just after calling the X routine, call either: | |
| 1054 | |
| 1055 x_error_occurred_p (dpy); | |
| 1056 | |
| 1057 to ask whether an error happened (and was ignored), or: | |
| 1058 | |
| 1059 signal_if_x_error (dpy, resumable_p); | |
| 1060 | |
| 1061 which will call Fsignal() with args appropriate to the X error, if there | |
| 1062 was one. (Resumable_p is whether the debugger should be allowed to | |
| 1063 continue from the call to signal.) | |
| 1064 | |
| 1065 You must call one of these two routines immediately after calling the X | |
| 1066 routine; think of them as bookends like BLOCK_INPUT and UNBLOCK_INPUT. | |
| 1067 */ | |
| 1068 | |
| 1069 static int error_expected; | |
| 1070 static int error_occurred; | |
| 1071 static XErrorEvent last_error; | |
| 1072 | |
| 1073 /* OVERKILL! */ | |
| 1074 | |
| 1075 #ifdef EXTERNAL_WIDGET | |
| 1076 static Lisp_Object | |
| 1077 x_error_handler_do_enqueue (Lisp_Object frame) | |
| 1078 { | |
| 1079 enqueue_magic_eval_event (io_error_delete_frame, frame); | |
| 1080 return Qt; | |
| 1081 } | |
| 1082 | |
| 1083 static Lisp_Object | |
| 2333 | 1084 x_error_handler_error (Lisp_Object UNUSED (data), Lisp_Object UNUSED (dummy)) |
| 428 | 1085 { |
| 1086 return Qnil; | |
| 1087 } | |
| 1088 #endif /* EXTERNAL_WIDGET */ | |
| 1089 | |
| 1090 int | |
| 1091 x_error_handler (Display *disp, XErrorEvent *event) | |
| 1092 { | |
| 1093 if (error_expected) | |
| 1094 { | |
| 1095 error_expected = 0; | |
| 1096 error_occurred = 1; | |
| 1097 last_error = *event; | |
| 1098 } | |
| 1099 else | |
| 1100 { | |
| 853 | 1101 int depth; |
| 1102 | |
| 428 | 1103 #ifdef EXTERNAL_WIDGET |
| 1104 struct frame *f; | |
| 1105 struct device *d = get_device_from_display (disp); | |
| 1106 | |
| 1107 if ((event->error_code == BadWindow || | |
| 1108 event->error_code == BadDrawable) | |
| 1109 && ((f = x_any_window_to_frame (d, event->resourceid)) != 0)) | |
| 1110 { | |
| 1111 Lisp_Object frame; | |
| 1112 | |
| 1113 /* one of the windows comprising one of our frames has died. | |
| 1114 This occurs particularly with ExternalShell frames when the | |
| 1115 client that owns the ExternalShell's window dies. | |
| 1116 | |
| 1117 We cannot do any I/O on the display connection so we need | |
| 1118 to enqueue an eval event so that the deletion happens | |
| 1119 later. | |
| 1120 | |
| 1121 Furthermore, we need to trap any errors (out-of-memory) that | |
| 1122 may occur when Fenqueue_eval_event is called. | |
| 1123 */ | |
| 1124 | |
| 1125 if (f->being_deleted) | |
| 1126 return 0; | |
| 793 | 1127 frame = wrap_frame (f); |
| 428 | 1128 if (!NILP (condition_case_1 (Qerror, x_error_handler_do_enqueue, |
| 1129 frame, x_error_handler_error, Qnil))) | |
| 1130 { | |
| 1131 f->being_deleted = 1; | |
| 1132 f->visible = 0; | |
| 1133 } | |
| 1134 return 0; | |
| 1135 } | |
| 1136 #endif /* EXTERNAL_WIDGET */ | |
| 1137 | |
| 853 | 1138 /* #### this should issue a warning instead of outputting to stderr */ |
| 1139 depth = begin_dont_check_for_quit (); | |
| 2007 | 1140 #if 0 |
| 1141 /* This ends up calling X, which isn't allowed in an X error handler | |
| 1142 */ | |
| 428 | 1143 stderr_out ("\n%s: ", |
| 1144 (STRINGP (Vinvocation_name) | |
| 1145 ? (char *) XSTRING_DATA (Vinvocation_name) | |
| 1146 : "xemacs")); | |
| 2007 | 1147 #endif |
| 428 | 1148 XmuPrintDefaultErrorMessage (disp, event, stderr); |
| 853 | 1149 unbind_to (depth); |
| 428 | 1150 } |
| 1151 return 0; | |
| 1152 } | |
| 1153 | |
| 1154 void | |
| 1155 expect_x_error (Display *dpy) | |
| 1156 { | |
| 1157 assert (!error_expected); | |
| 1158 XSync (dpy, 0); /* handle pending errors before setting flag */ | |
| 1159 error_expected = 1; | |
| 1160 error_occurred = 0; | |
| 1161 } | |
| 1162 | |
| 1163 int | |
| 1164 x_error_occurred_p (Display *dpy) | |
| 1165 { | |
| 1166 int val; | |
| 1167 XSync (dpy, 0); /* handle pending errors before setting flag */ | |
| 1168 val = error_occurred; | |
| 1169 error_expected = 0; | |
| 1170 error_occurred = 0; | |
| 1171 return val; | |
| 1172 } | |
| 1173 | |
| 1174 int | |
| 1175 signal_if_x_error (Display *dpy, int resumable_p) | |
| 1176 { | |
| 771 | 1177 Extbyte buf[1024]; |
| 867 | 1178 Ibyte num[100]; |
| 428 | 1179 Lisp_Object data; |
| 1180 if (! x_error_occurred_p (dpy)) | |
| 1181 return 0; | |
| 1182 data = Qnil; | |
| 771 | 1183 qxesprintf (num, "0x%X", (unsigned int) last_error.resourceid); |
|
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|
1184 data = Fcons (build_istring (num), data); |
| 771 | 1185 qxesprintf (num, "%d", last_error.request_code); |
| 1186 XGetErrorDatabaseText (last_error.display, "XRequest", (char *) num, "", | |
| 1187 buf, sizeof (buf)); | |
| 1188 if (*buf) | |
|
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|
1189 data = Fcons (build_extstring (buf, Qx_error_message_encoding), data); |
| 771 | 1190 else |
| 1191 { | |
| 1192 qxesprintf (num, "Request-%d", last_error.request_code); | |
|
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|
1193 data = Fcons (build_istring (num), data); |
| 771 | 1194 } |
| 428 | 1195 XGetErrorText (last_error.display, last_error.error_code, buf, sizeof (buf)); |
|
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1196 data = Fcons (build_extstring (buf, Qx_error_message_encoding), data); |
| 428 | 1197 again: |
| 1198 Fsignal (Qx_error, data); | |
| 1199 if (! resumable_p) goto again; | |
| 1200 return 1; | |
| 1201 } | |
| 1202 | |
| 1203 int | |
| 1204 x_IO_error_handler (Display *disp) | |
| 1205 { | |
| 1206 /* This function can GC */ | |
| 1207 Lisp_Object dev; | |
| 1208 struct device *d = get_device_from_display_1 (disp); | |
| 1209 | |
| 756 | 1210 if (!d) |
| 1211 d = device_being_initialized; | |
| 1212 | |
| 428 | 1213 assert (d != NULL); |
| 793 | 1214 dev = wrap_device (d); |
| 428 | 1215 |
| 1216 if (NILP (find_nonminibuffer_frame_not_on_device (dev))) | |
| 1217 { | |
| 853 | 1218 int depth = begin_dont_check_for_quit (); |
| 428 | 1219 /* We're going down. */ |
| 867 | 1220 Ibyte *errmess; |
| 771 | 1221 GET_STRERROR (errmess, errno); |
| 1222 stderr_out ("\n%s: Fatal I/O Error %d (%s) on display " | |
| 1223 "connection \"%s\"\n", | |
| 1224 (STRINGP (Vinvocation_name) ? | |
| 1225 (char *) XSTRING_DATA (Vinvocation_name) : "xemacs"), | |
| 1226 errno, errmess, DisplayString (disp)); | |
| 1227 stderr_out (" after %lu requests (%lu known processed) with %d " | |
| 1228 "events remaining.\n", | |
| 1229 NextRequest (disp) - 1, LastKnownRequestProcessed (disp), | |
| 1230 QLength (disp)); | |
| 428 | 1231 /* assert (!_Xdebug); */ |
| 853 | 1232 unbind_to (depth); |
| 428 | 1233 } |
| 1234 else | |
| 1235 { | |
| 867 | 1236 Ibyte *errmess; |
| 771 | 1237 GET_STRERROR (errmess, errno); |
| 428 | 1238 warn_when_safe |
| 1239 (Qx, Qcritical, | |
| 1240 "I/O Error %d (%s) on display connection\n" | |
| 2116 | 1241 " \"%s\" after %lu requests (%lu known processed)\n" |
| 428 | 1242 " with %d events remaining.\n" |
| 1243 " Throwing to top level.\n", | |
| 771 | 1244 errno, errmess, DisplayString (disp), |
| 428 | 1245 NextRequest (disp) - 1, LastKnownRequestProcessed (disp), |
| 1246 QLength (disp)); | |
| 1247 } | |
| 1248 | |
| 1249 /* According to X specs, we should not return from this function, or | |
| 1250 Xlib might just decide to exit(). So we mark the offending | |
| 1251 console for deletion and throw to top level. */ | |
| 1252 if (d) | |
| 3466 | 1253 { |
| 1254 enqueue_magic_eval_event (io_error_delete_device, dev); | |
| 1255 DEVICE_X_BEING_DELETED (d) = 1; | |
| 1256 } | |
|
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1257 |
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1258 throw_or_bomb_out (Qtop_level, Qnil, 0, Qnil, Qnil); |
| 428 | 1259 |
| 2268 | 1260 RETURN_NOT_REACHED (0); |
| 428 | 1261 } |
| 1262 | |
| 1263 DEFUN ("x-debug-mode", Fx_debug_mode, 1, 2, 0, /* | |
| 1264 With a true arg, make the connection to the X server synchronous. | |
| 1265 With false, make it asynchronous. Synchronous connections are much slower, | |
| 1266 but are useful for debugging. (If you get X errors, make the connection | |
| 1267 synchronous, and use a debugger to set a breakpoint on `x_error_handler'. | |
| 1268 Your backtrace of the C stack will now be useful. In asynchronous mode, | |
| 1269 the stack above `x_error_handler' isn't helpful because of buffering.) | |
| 1270 If DEVICE is not specified, the selected device is assumed. | |
| 1271 | |
| 1272 Calling this function is the same as calling the C function `XSynchronize', | |
| 1273 or starting the program with the `-sync' command line argument. | |
| 1274 */ | |
| 1275 (arg, device)) | |
| 1276 { | |
| 1277 struct device *d = decode_x_device (device); | |
| 1278 | |
| 1279 XSynchronize (DEVICE_X_DISPLAY (d), !NILP (arg)); | |
| 1280 | |
| 1281 if (!NILP (arg)) | |
| 1282 message ("X connection is synchronous"); | |
| 1283 else | |
| 1284 message ("X connection is asynchronous"); | |
| 1285 | |
| 1286 return arg; | |
| 1287 } | |
| 1288 | |
| 1289 | |
| 1290 /************************************************************************/ | |
| 1291 /* X resources */ | |
| 1292 /************************************************************************/ | |
| 1293 | |
| 1294 #if 0 /* bah humbug. The whole "widget == resource" stuff is such | |
| 1295 a crock of shit that I'm just going to ignore it all. */ | |
| 1296 | |
| 1297 /* If widget is NULL, we are retrieving device or global face data. */ | |
| 1298 | |
| 1299 static void | |
| 1300 construct_name_list (Display *display, Widget widget, char *fake_name, | |
| 1204 | 1301 char *fake_class, char *name, char *class_) |
| 428 | 1302 { |
| 1303 char *stack [100][2]; | |
| 2552 | 1304 Widget this_widget; |
| 428 | 1305 int count = 0; |
| 1306 char *name_tail, *class_tail; | |
| 1307 | |
| 1308 if (widget) | |
| 1309 { | |
| 2552 | 1310 for (this_widget = widget; this_widget; |
| 1311 this_widget = XtParent (this_widget)) | |
| 428 | 1312 { |
| 2552 | 1313 stack [count][0] = this_widget->core.name; |
| 1314 stack [count][1] = XtClass (this_widget)->core_class.class_name; | |
| 428 | 1315 count++; |
| 1316 } | |
| 1317 count--; | |
| 1318 } | |
| 1319 else if (fake_name && fake_class) | |
| 1320 { | |
| 1321 stack [count][0] = fake_name; | |
| 1322 stack [count][1] = fake_class; | |
| 1323 count++; | |
| 1324 } | |
| 1325 | |
| 1326 /* The root widget is an application shell; resource lookups use the | |
| 1327 specified application name and application class in preference to | |
| 1328 the name/class of that widget (which is argv[0] / "ApplicationShell"). | |
| 1329 Generally the app name and class will be argv[0] / "Emacs" but | |
| 1330 the former can be set via the -name command-line option, and the | |
| 1331 latter can be set by changing `x-emacs-application-class' in | |
| 1332 lisp/term/x-win.el. | |
| 1333 */ | |
| 1334 XtGetApplicationNameAndClass (display, | |
| 1335 &stack [count][0], | |
| 1336 &stack [count][1]); | |
| 1337 | |
| 1338 name [0] = 0; | |
| 1204 | 1339 class_ [0] = 0; |
| 428 | 1340 |
| 1341 name_tail = name; | |
| 1204 | 1342 class_tail = class_; |
| 428 | 1343 for (; count >= 0; count--) |
| 1344 { | |
| 1345 strcat (name_tail, stack [count][0]); | |
| 1346 for (; *name_tail; name_tail++) | |
| 1347 if (*name_tail == '.') *name_tail = '_'; | |
| 1348 strcat (name_tail, "."); | |
| 1349 name_tail++; | |
| 1350 | |
| 1351 strcat (class_tail, stack [count][1]); | |
| 1352 for (; *class_tail; class_tail++) | |
| 1353 if (*class_tail == '.') *class_tail = '_'; | |
| 1354 strcat (class_tail, "."); | |
| 1355 class_tail++; | |
| 1356 } | |
| 1357 } | |
| 1358 | |
| 1359 #endif /* 0 */ | |
| 1360 | |
| 771 | 1361 static Extbyte_dynarr *name_Extbyte_dynarr; |
| 1362 static Extbyte_dynarr *class_Extbyte_dynarr; | |
| 428 | 1363 |
| 1364 /* Given a locale and device specification from x-get-resource or | |
| 1365 x-get-resource-prefix, return the resource prefix and display to | |
| 1366 fetch the resource on. */ | |
| 1367 | |
| 1368 static void | |
| 1369 x_get_resource_prefix (Lisp_Object locale, Lisp_Object device, | |
| 771 | 1370 Display **display_out, Extbyte_dynarr *name, |
| 1204 | 1371 Extbyte_dynarr *class_) |
| 428 | 1372 { |
| 1373 if (NILP (locale)) | |
| 1374 locale = Qglobal; | |
| 1375 if (NILP (Fvalid_specifier_locale_p (locale))) | |
| 563 | 1376 invalid_argument ("Invalid locale", locale); |
| 428 | 1377 if (WINDOWP (locale)) |
| 1378 /* #### I can't come up with any coherent way of naming windows. | |
| 1379 By relative position? That seems tricky because windows | |
| 1380 can change position, be split, etc. By order of creation? | |
| 1381 That seems less than useful. */ | |
| 563 | 1382 signal_error (Qunimplemented, |
| 1383 "Windows currently can't be resourced", locale); | |
| 428 | 1384 |
| 1385 if (!NILP (device) && !DEVICEP (device)) | |
| 1386 CHECK_DEVICE (device); | |
| 1387 if (DEVICEP (device) && !DEVICE_X_P (XDEVICE (device))) | |
| 1388 device = Qnil; | |
| 1389 if (NILP (device)) | |
| 1390 { | |
| 1391 device = DFW_DEVICE (locale); | |
| 1392 if (DEVICEP (device) && !DEVICE_X_P (XDEVICE (device))) | |
| 1393 device = Qnil; | |
| 1394 if (NILP (device)) | |
| 872 | 1395 device = get_default_device (Qx); |
| 428 | 1396 if (NILP (device)) |
| 1397 { | |
| 1398 *display_out = 0; | |
| 1399 return; | |
| 1400 } | |
| 1401 } | |
| 1402 | |
| 1403 *display_out = DEVICE_X_DISPLAY (XDEVICE (device)); | |
| 1404 | |
| 1405 { | |
| 771 | 1406 Extbyte *appname, *appclass; |
| 428 | 1407 int name_len, class_len; |
| 1408 XtGetApplicationNameAndClass (*display_out, &appname, &appclass); | |
| 1409 name_len = strlen (appname); | |
| 1410 class_len = strlen (appclass); | |
| 771 | 1411 Dynarr_add_many (name, appname, name_len); |
| 1204 | 1412 Dynarr_add_many (class_, appclass, class_len); |
| 4967 | 1413 validify_resource_component (Dynarr_begin (name), name_len); |
| 1414 validify_resource_component (Dynarr_begin (class_), class_len); | |
| 428 | 1415 } |
| 1416 | |
| 1417 if (EQ (locale, Qglobal)) | |
| 1418 return; | |
| 1419 if (BUFFERP (locale)) | |
| 1420 { | |
| 1421 Dynarr_add_literal_string (name, ".buffer."); | |
| 1422 /* we know buffer is live; otherwise we got an error above. */ | |
| 1423 Dynarr_add_validified_lisp_string (name, Fbuffer_name (locale)); | |
| 1204 | 1424 Dynarr_add_literal_string (class_, ".EmacsLocaleType.EmacsBuffer"); |
| 428 | 1425 } |
| 1426 else if (FRAMEP (locale)) | |
| 1427 { | |
| 1428 Dynarr_add_literal_string (name, ".frame."); | |
| 1429 /* we know frame is live; otherwise we got an error above. */ | |
| 1430 Dynarr_add_validified_lisp_string (name, Fframe_name (locale)); | |
| 1204 | 1431 Dynarr_add_literal_string (class_, ".EmacsLocaleType.EmacsFrame"); |
| 428 | 1432 } |
| 1433 else | |
| 1434 { | |
| 1435 assert (DEVICEP (locale)); | |
| 1436 Dynarr_add_literal_string (name, ".device."); | |
| 1437 /* we know device is live; otherwise we got an error above. */ | |
| 1438 Dynarr_add_validified_lisp_string (name, Fdevice_name (locale)); | |
| 1204 | 1439 Dynarr_add_literal_string (class_, ".EmacsLocaleType.EmacsDevice"); |
| 428 | 1440 } |
| 1441 return; | |
| 1442 } | |
| 1443 | |
| 1444 DEFUN ("x-get-resource", Fx_get_resource, 3, 6, 0, /* | |
| 1445 Retrieve an X resource from the resource manager. | |
| 1446 | |
| 1447 The first arg is the name of the resource to retrieve, such as "font". | |
| 1448 The second arg is the class of the resource to retrieve, such as "Font". | |
| 3025 | 1449 The third arg must be one of the symbols `string', `integer', `natnum', or |
| 1450 `boolean', specifying the type of object that the database is searched for. | |
| 428 | 1451 The fourth arg is the locale to search for the resources on, and can |
| 3025 | 1452 currently be a buffer, a frame, a device, or `global'. If omitted, it |
| 1453 defaults to `global'. | |
| 428 | 1454 The fifth arg is the device to search for the resources on. (The resource |
| 1455 database for a particular device is constructed by combining non-device- | |
| 1456 specific resources such as any command-line resources specified and any | |
| 1457 app-defaults files found [or the fallback resources supplied by XEmacs, | |
| 1458 if no app-defaults file is found] with device-specific resources such as | |
| 1459 those supplied using xrdb.) If omitted, it defaults to the device of | |
| 1460 LOCALE, if a device can be derived (i.e. if LOCALE is a frame or device), | |
| 1461 and otherwise defaults to the value of `default-x-device'. | |
| 1462 The sixth arg NOERROR, if non-nil, means do not signal an error if a | |
| 1463 bogus resource specification was retrieved (e.g. if a non-integer was | |
| 1464 given when an integer was requested). In this case, a warning is issued | |
| 442 | 1465 instead, unless NOERROR is t, in which case no warning is issued. |
| 428 | 1466 |
| 1467 The resource names passed to this function are looked up relative to the | |
| 1468 locale. | |
| 1469 | |
| 1470 If you want to search for a subresource, you just need to specify the | |
| 1471 resource levels in NAME and CLASS. For example, NAME could be | |
| 1472 "modeline.attributeFont", and CLASS "Face.AttributeFont". | |
| 1473 | |
| 1474 Specifically, | |
| 1475 | |
| 1476 1) If LOCALE is a buffer, a call | |
| 1477 | |
| 1478 (x-get-resource "foreground" "Foreground" 'string SOME-BUFFER) | |
| 1479 | |
| 1480 is an interface to a C call something like | |
| 1481 | |
| 1482 XrmGetResource (db, "xemacs.buffer.BUFFER-NAME.foreground", | |
| 1483 "Emacs.EmacsLocaleType.EmacsBuffer.Foreground", | |
| 1484 "String"); | |
| 1485 | |
| 1486 2) If LOCALE is a frame, a call | |
| 1487 | |
| 1488 (x-get-resource "foreground" "Foreground" 'string SOME-FRAME) | |
| 1489 | |
| 1490 is an interface to a C call something like | |
| 1491 | |
| 1492 XrmGetResource (db, "xemacs.frame.FRAME-NAME.foreground", | |
| 1493 "Emacs.EmacsLocaleType.EmacsFrame.Foreground", | |
| 1494 "String"); | |
| 1495 | |
| 1496 3) If LOCALE is a device, a call | |
| 1497 | |
| 1498 (x-get-resource "foreground" "Foreground" 'string SOME-DEVICE) | |
| 1499 | |
| 1500 is an interface to a C call something like | |
| 1501 | |
| 1502 XrmGetResource (db, "xemacs.device.DEVICE-NAME.foreground", | |
| 1503 "Emacs.EmacsLocaleType.EmacsDevice.Foreground", | |
| 1504 "String"); | |
| 1505 | |
| 3025 | 1506 4) If LOCALE is `global', a call |
| 428 | 1507 |
| 1508 (x-get-resource "foreground" "Foreground" 'string 'global) | |
| 1509 | |
| 1510 is an interface to a C call something like | |
| 1511 | |
| 1512 XrmGetResource (db, "xemacs.foreground", | |
| 1513 "Emacs.Foreground", | |
| 1514 "String"); | |
| 1515 | |
| 3025 | 1516 Note that for `global', no prefix is added other than that of the |
| 428 | 1517 application itself; thus, you can use this locale to retrieve |
| 1518 arbitrary application resources, if you really want to. | |
| 1519 | |
| 1520 The returned value of this function is nil if the queried resource is not | |
| 1521 found. If the third arg is `string', a string is returned, and if it is | |
| 1522 `integer', an integer is returned. If the third arg is `boolean', then the | |
| 1523 returned value is the list (t) for true, (nil) for false, and is nil to | |
| 430 | 1524 mean ``unspecified''. |
| 428 | 1525 */ |
| 1204 | 1526 (name, class_, type, locale, device, noerror)) |
| 428 | 1527 { |
| 771 | 1528 Extbyte *name_string, *class_string; |
| 1529 Extbyte *raw_result; | |
| 428 | 1530 XrmDatabase db; |
| 1531 Display *display; | |
| 578 | 1532 Error_Behavior errb = decode_error_behavior_flag (noerror); |
| 771 | 1533 Lisp_Object codesys; |
| 428 | 1534 |
| 1535 CHECK_STRING (name); | |
| 1204 | 1536 CHECK_STRING (class_); |
| 428 | 1537 CHECK_SYMBOL (type); |
| 1538 | |
| 771 | 1539 Dynarr_reset (name_Extbyte_dynarr); |
| 1540 Dynarr_reset (class_Extbyte_dynarr); | |
| 428 | 1541 |
| 1542 x_get_resource_prefix (locale, device, &display, | |
| 771 | 1543 name_Extbyte_dynarr, class_Extbyte_dynarr); |
| 428 | 1544 if (!display) |
| 1545 return Qnil; | |
| 1546 | |
| 1547 db = XtDatabase (display); | |
| 771 | 1548 codesys = coding_system_of_xrm_database (db); |
| 1549 Dynarr_add (name_Extbyte_dynarr, '.'); | |
| 5038 | 1550 Dynarr_add_ext_lisp_string (name_Extbyte_dynarr, name, Qbinary); |
| 771 | 1551 Dynarr_add (class_Extbyte_dynarr, '.'); |
| 5038 | 1552 Dynarr_add_ext_lisp_string (class_Extbyte_dynarr, class_, Qbinary); |
| 771 | 1553 Dynarr_add (name_Extbyte_dynarr, '\0'); |
| 1554 Dynarr_add (class_Extbyte_dynarr, '\0'); | |
| 428 | 1555 |
| 4967 | 1556 name_string = Dynarr_begin (name_Extbyte_dynarr); |
| 1557 class_string = Dynarr_begin (class_Extbyte_dynarr); | |
| 428 | 1558 |
| 1559 { | |
| 1560 XrmValue xrm_value; | |
| 1561 XrmName namelist[100]; | |
| 1562 XrmClass classlist[100]; | |
| 1563 XrmName *namerest = namelist; | |
| 1564 XrmClass *classrest = classlist; | |
| 1565 XrmRepresentation xrm_type; | |
| 1566 XrmRepresentation string_quark; | |
| 1567 int result; | |
| 1568 XrmStringToNameList (name_string, namelist); | |
| 1569 XrmStringToClassList (class_string, classlist); | |
| 1570 string_quark = XrmStringToQuark ("String"); | |
| 1571 | |
| 1572 /* ensure that they have the same length */ | |
| 1573 while (namerest[0] && classrest[0]) | |
| 1574 namerest++, classrest++; | |
| 1575 if (namerest[0] || classrest[0]) | |
| 563 | 1576 { |
| 1577 maybe_signal_error_2 | |
| 1578 (Qstructure_formation_error, | |
| 1204 | 1579 "class list and name list must be the same length", name, class_, |
| 563 | 1580 Qresource, errb); |
| 1581 return Qnil; | |
| 1582 } | |
| 428 | 1583 result = XrmQGetResource (db, namelist, classlist, &xrm_type, &xrm_value); |
| 1584 | |
| 1585 if (result != True || xrm_type != string_quark) | |
| 1586 return Qnil; | |
| 771 | 1587 raw_result = (Extbyte *) xrm_value.addr; |
| 428 | 1588 } |
| 1589 | |
| 1590 if (EQ (type, Qstring)) | |
|
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1591 return build_extstring (raw_result, codesys); |
| 428 | 1592 else if (EQ (type, Qboolean)) |
| 1593 { | |
| 771 | 1594 if (!strcasecmp (raw_result, "off") || |
| 1595 !strcasecmp (raw_result, "false") || | |
| 1596 !strcasecmp (raw_result, "no")) | |
| 428 | 1597 return Fcons (Qnil, Qnil); |
| 771 | 1598 if (!strcasecmp (raw_result, "on") || |
| 1599 !strcasecmp (raw_result, "true") || | |
| 1600 !strcasecmp (raw_result, "yes")) | |
| 428 | 1601 return Fcons (Qt, Qnil); |
| 563 | 1602 return maybe_signal_continuable_error_2 |
| 1603 (Qinvalid_operation, "Can't convert to a Boolean", | |
|
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1604 build_extstring (name_string, Qbinary), |
|
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1605 build_extstring (raw_result, codesys), Qresource, |
| 563 | 1606 errb); |
| 428 | 1607 } |
| 1608 else if (EQ (type, Qinteger) || EQ (type, Qnatnum)) | |
| 1609 { | |
| 1610 int i; | |
| 1611 char c; | |
| 1612 if (1 != sscanf (raw_result, "%d%c", &i, &c)) | |
| 563 | 1613 return maybe_signal_continuable_error_2 |
| 1614 (Qinvalid_operation, "Can't convert to an integer", | |
|
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1615 build_extstring (name_string, Qbinary), |
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1616 build_extstring (raw_result, codesys), Qresource, |
| 563 | 1617 errb); |
| 428 | 1618 else if (EQ (type, Qnatnum) && i < 0) |
| 563 | 1619 return maybe_signal_continuable_error_2 |
| 1620 (Qinvalid_argument, "Invalid numerical value for resource", | |
|
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1621 make_int (i), build_extstring (name_string, Qbinary), |
| 771 | 1622 Qresource, errb); |
| 428 | 1623 else |
| 1624 return make_int (i); | |
| 1625 } | |
| 1626 else | |
| 1627 { | |
| 1628 return maybe_signal_continuable_error | |
| 563 | 1629 (Qwrong_type_argument, "Should be string, integer, natnum or boolean", |
| 1630 type, Qresource, errb); | |
| 428 | 1631 } |
| 1632 } | |
| 1633 | |
| 1634 DEFUN ("x-get-resource-prefix", Fx_get_resource_prefix, 1, 2, 0, /* | |
| 1635 Return the resource prefix for LOCALE on DEVICE. | |
| 1636 The resource prefix is the strings used to prefix resources if | |
| 1637 the LOCALE and DEVICE arguments were passed to `x-get-resource'. | |
| 1638 The returned value is a cons of a name prefix and a class prefix. | |
| 1639 For example, if LOCALE is a frame, the returned value might be | |
| 1640 \("xemacs.frame.FRAME-NAME" . "Emacs.EmacsLocaleType.EmacsFrame"). | |
| 1641 If no valid X device for resourcing can be obtained, this function | |
| 1642 returns nil. (In such a case, `x-get-resource' would always return nil.) | |
| 1643 */ | |
| 1644 (locale, device)) | |
| 1645 { | |
| 1646 Display *display; | |
| 1647 | |
| 771 | 1648 Dynarr_reset (name_Extbyte_dynarr ); |
| 1649 Dynarr_reset (class_Extbyte_dynarr); | |
| 428 | 1650 |
| 1651 x_get_resource_prefix (locale, device, &display, | |
| 771 | 1652 name_Extbyte_dynarr, class_Extbyte_dynarr); |
| 428 | 1653 if (!display) |
| 1654 return Qnil; | |
| 1655 | |
| 4967 | 1656 return Fcons (make_string ((Ibyte *) Dynarr_begin (name_Extbyte_dynarr), |
| 771 | 1657 Dynarr_length (name_Extbyte_dynarr)), |
| 4967 | 1658 make_string ((Ibyte *) Dynarr_begin (class_Extbyte_dynarr), |
| 771 | 1659 Dynarr_length (class_Extbyte_dynarr))); |
| 428 | 1660 } |
| 1661 | |
| 1662 DEFUN ("x-put-resource", Fx_put_resource, 1, 2, 0, /* | |
| 1663 Add a resource to the resource database for DEVICE. | |
| 1664 RESOURCE-LINE specifies the resource to add and should be a | |
| 1665 standard resource specification. | |
| 1666 */ | |
| 1667 (resource_line, device)) | |
| 1668 { | |
| 1669 struct device *d = decode_device (device); | |
| 1670 | |
| 1671 if (DEVICE_X_P (d)) | |
| 1672 { | |
| 1673 XrmDatabase db = XtDatabase (DEVICE_X_DISPLAY (d)); | |
| 771 | 1674 Extbyte *str, *colon_pos; |
| 1675 | |
| 1676 CHECK_STRING (resource_line); | |
|
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1677 str = LISP_STRING_TO_EXTERNAL (resource_line, |
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1678 coding_system_of_xrm_database (db)); |
| 771 | 1679 if (!(colon_pos = strchr (str, ':')) || strchr (str, '\n')) |
| 1680 invalid: | |
| 1681 syntax_error ("Invalid resource line", resource_line); | |
| 1682 if ((int) | |
| 1683 strspn (str, | |
| 1684 /* Only the following chars are allowed before the colon */ | |
| 1685 " \t.*?abcdefghijklmnopqrstuvwxyz" | |
| 1686 "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-") | |
| 1687 != colon_pos - str) | |
| 1688 goto invalid; | |
| 1689 | |
| 428 | 1690 XrmPutLineResource (&db, str); |
| 1691 } | |
| 1692 | |
| 1693 return Qnil; | |
| 1694 } | |
| 1695 | |
| 1696 | |
| 1697 /************************************************************************/ | |
| 1698 /* display information functions */ | |
| 1699 /************************************************************************/ | |
| 1700 | |
| 1701 DEFUN ("default-x-device", Fdefault_x_device, 0, 0, 0, /* | |
| 1702 Return the default X device for resourcing. | |
| 1703 This is the first-created X device that still exists. | |
| 872 | 1704 See also `default-device'. |
| 428 | 1705 */ |
| 1706 ()) | |
| 1707 { | |
| 872 | 1708 return get_default_device (Qx); |
| 428 | 1709 } |
| 1710 | |
| 1711 DEFUN ("x-display-visual-class", Fx_display_visual_class, 0, 1, 0, /* | |
| 1712 Return the visual class of the X display DEVICE is using. | |
| 1713 This can be altered from the default at startup using the XResource "EmacsVisual". | |
| 1714 The returned value will be one of the symbols `static-gray', `gray-scale', | |
| 1715 `static-color', `pseudo-color', `true-color', or `direct-color'. | |
| 1716 */ | |
| 1717 (device)) | |
| 1718 { | |
| 1719 Visual *vis = DEVICE_X_VISUAL (decode_x_device (device)); | |
| 1204 | 1720 switch (vis->X_CLASSFIELD) |
| 428 | 1721 { |
| 1722 case StaticGray: return intern ("static-gray"); | |
| 1723 case GrayScale: return intern ("gray-scale"); | |
| 1724 case StaticColor: return intern ("static-color"); | |
| 1725 case PseudoColor: return intern ("pseudo-color"); | |
| 1726 case TrueColor: return intern ("true-color"); | |
| 1727 case DirectColor: return intern ("direct-color"); | |
| 1728 default: | |
| 563 | 1729 invalid_state ("display has an unknown visual class", Qunbound); |
| 428 | 1730 return Qnil; /* suppress compiler warning */ |
| 1731 } | |
| 1732 } | |
| 1733 | |
| 1734 DEFUN ("x-display-visual-depth", Fx_display_visual_depth, 0, 1, 0, /* | |
| 1735 Return the bitplane depth of the visual the X display DEVICE is using. | |
| 1736 */ | |
| 1737 (device)) | |
| 1738 { | |
| 1739 return make_int (DEVICE_X_DEPTH (decode_x_device (device))); | |
| 1740 } | |
| 1741 | |
| 1742 static Lisp_Object | |
| 1743 x_device_system_metrics (struct device *d, | |
| 1744 enum device_metrics m) | |
| 1745 { | |
| 1746 Display *dpy = DEVICE_X_DISPLAY (d); | |
| 1747 | |
| 1748 switch (m) | |
| 1749 { | |
| 1750 case DM_size_device: | |
| 1751 return Fcons (make_int (DisplayWidth (dpy, DefaultScreen (dpy))), | |
| 1752 make_int (DisplayHeight (dpy, DefaultScreen (dpy)))); | |
| 1753 case DM_size_device_mm: | |
| 1754 return Fcons (make_int (DisplayWidthMM (dpy, DefaultScreen (dpy))), | |
| 1755 make_int (DisplayHeightMM (dpy, DefaultScreen (dpy)))); | |
| 1756 case DM_num_bit_planes: | |
| 1757 return make_int (DisplayPlanes (dpy, DefaultScreen (dpy))); | |
| 1758 case DM_num_color_cells: | |
| 1759 return make_int (DisplayCells (dpy, DefaultScreen (dpy))); | |
| 1942 | 1760 case DM_num_screens: |
| 1761 return make_int (ScreenCount (dpy)); | |
| 1762 case DM_backing_store: | |
| 1763 switch (DoesBackingStore (DefaultScreenOfDisplay (dpy))) | |
| 1764 { | |
| 1765 case Always: | |
| 1766 return intern ("always"); | |
| 1767 case WhenMapped: | |
| 1768 return intern ("when-mapped"); | |
| 1769 default: | |
| 1770 return intern ("not-useful"); | |
| 1771 } | |
| 1772 case DM_save_under: | |
| 1773 return (DoesSaveUnders (DefaultScreenOfDisplay (dpy)) == True) | |
| 1774 ? Qt : Qnil; | |
| 428 | 1775 default: /* No such device metric property for X devices */ |
| 1776 return Qunbound; | |
| 1777 } | |
| 1778 } | |
| 1779 | |
| 1780 DEFUN ("x-server-vendor", Fx_server_vendor, 0, 1, 0, /* | |
| 1781 Return the vendor ID string of the X server DEVICE is on. | |
| 1782 Return the empty string if the vendor ID string cannot be determined. | |
| 1783 */ | |
| 1784 (device)) | |
| 1785 { | |
| 1786 Display *dpy = get_x_display (device); | |
| 2367 | 1787 Extbyte *vendor = ServerVendor (dpy); |
| 428 | 1788 |
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1789 return build_extstring (vendor ? vendor : "", Qx_hpc_encoding); |
| 428 | 1790 } |
| 1791 | |
| 1792 DEFUN ("x-server-version", Fx_server_version, 0, 1, 0, /* | |
| 1793 Return the version numbers of the X server DEVICE is on. | |
| 1794 The returned value is a list of three integers: the major and minor | |
| 1795 version numbers of the X Protocol in use, and the vendor-specific release | |
| 1796 number. See also `x-server-vendor'. | |
| 1797 */ | |
| 1798 (device)) | |
| 1799 { | |
| 1800 Display *dpy = get_x_display (device); | |
| 1801 | |
| 1802 return list3 (make_int (ProtocolVersion (dpy)), | |
| 1803 make_int (ProtocolRevision (dpy)), | |
| 1804 make_int (VendorRelease (dpy))); | |
| 1805 } | |
| 1806 | |
| 1807 DEFUN ("x-valid-keysym-name-p", Fx_valid_keysym_name_p, 1, 1, 0, /* | |
| 1808 Return true if KEYSYM names a keysym that the X library knows about. | |
| 1809 Valid keysyms are listed in the files /usr/include/X11/keysymdef.h and in | |
| 1810 /usr/lib/X11/XKeysymDB, or whatever the equivalents are on your system. | |
| 1811 */ | |
| 1812 (keysym)) | |
| 1813 { | |
| 2367 | 1814 const Extbyte *keysym_ext; |
| 428 | 1815 |
| 1816 CHECK_STRING (keysym); | |
|
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1817 keysym_ext = LISP_STRING_TO_EXTERNAL (keysym, Qctext); |
| 428 | 1818 |
| 1819 return XStringToKeysym (keysym_ext) ? Qt : Qnil; | |
| 1820 } | |
| 1821 | |
| 1822 DEFUN ("x-keysym-hash-table", Fx_keysym_hash_table, 0, 1, 0, /* | |
| 440 | 1823 Return a hash table containing a key for all keysyms on DEVICE. |
| 1824 DEVICE must be an X11 display device. See `x-keysym-on-keyboard-p'. | |
| 428 | 1825 */ |
| 1826 (device)) | |
| 1827 { | |
| 1828 struct device *d = decode_device (device); | |
| 1829 if (!DEVICE_X_P (d)) | |
| 563 | 1830 gui_error ("Not an X device", device); |
| 428 | 1831 |
| 1832 return DEVICE_X_DATA (d)->x_keysym_map_hash_table; | |
| 1833 } | |
| 1834 | |
| 1835 DEFUN ("x-keysym-on-keyboard-sans-modifiers-p", Fx_keysym_on_keyboard_sans_modifiers_p, | |
| 1836 1, 2, 0, /* | |
| 1837 Return true if KEYSYM names a key on the keyboard of DEVICE. | |
| 1838 More precisely, return true if pressing a physical key | |
| 1839 on the keyboard of DEVICE without any modifier keys generates KEYSYM. | |
| 1840 Valid keysyms are listed in the files /usr/include/X11/keysymdef.h and in | |
| 1841 /usr/lib/X11/XKeysymDB, or whatever the equivalents are on your system. | |
| 1842 The keysym name can be provided in two forms: | |
| 1843 - if keysym is a string, it must be the name as known to X windows. | |
| 1844 - if keysym is a symbol, it must be the name as known to XEmacs. | |
| 1845 The two names differ in capitalization and underscoring. | |
| 1846 */ | |
| 1847 (keysym, device)) | |
| 1848 { | |
| 1849 struct device *d = decode_device (device); | |
| 1850 if (!DEVICE_X_P (d)) | |
| 563 | 1851 gui_error ("Not an X device", device); |
| 428 | 1852 |
| 1853 return (EQ (Qsans_modifiers, | |
| 1854 Fgethash (keysym, DEVICE_X_KEYSYM_MAP_HASH_TABLE (d), Qnil)) ? | |
| 1855 Qt : Qnil); | |
| 1856 } | |
| 1857 | |
| 1858 | |
| 1859 DEFUN ("x-keysym-on-keyboard-p", Fx_keysym_on_keyboard_p, 1, 2, 0, /* | |
| 1860 Return true if KEYSYM names a key on the keyboard of DEVICE. | |
| 1861 More precisely, return true if some keystroke (possibly including modifiers) | |
| 1862 on the keyboard of DEVICE keys generates KEYSYM. | |
| 1863 Valid keysyms are listed in the files /usr/include/X11/keysymdef.h and in | |
| 1864 /usr/lib/X11/XKeysymDB, or whatever the equivalents are on your system. | |
| 1865 The keysym name can be provided in two forms: | |
| 1866 - if keysym is a string, it must be the name as known to X windows. | |
| 1867 - if keysym is a symbol, it must be the name as known to XEmacs. | |
| 1868 The two names differ in capitalization and underscoring. | |
| 2828 | 1869 |
| 1870 This function is not entirely trustworthy, in that Xlib compose processing | |
| 1871 can produce keysyms that XEmacs will not have seen when it examined the | |
| 1872 keysyms available on startup. So pressing `dead-diaeresis' and then 'a' may | |
| 1873 pass `adiaeresis' to XEmacs, or (in some implementations) even `U00E4', | |
| 1874 where `(x-keysym-on-keyboard-p 'adiaeresis)' and `(x-keysym-on-keyboard-p | |
| 1875 'U00E4)' would both have returned nil. Subsequent to XEmacs seeing a keysym | |
| 1876 it was previously unaware of, the predicate will take note of it, though. | |
| 428 | 1877 */ |
| 1878 (keysym, device)) | |
| 1879 { | |
| 1880 struct device *d = decode_device (device); | |
| 1881 if (!DEVICE_X_P (d)) | |
| 563 | 1882 gui_error ("Not an X device", device); |
| 428 | 1883 |
| 1884 return (NILP (Fgethash (keysym, DEVICE_X_KEYSYM_MAP_HASH_TABLE (d), Qnil)) ? | |
| 1885 Qnil : Qt); | |
| 1886 } | |
| 1887 | |
| 1888 | |
| 1889 /************************************************************************/ | |
| 1890 /* grabs and ungrabs */ | |
| 1891 /************************************************************************/ | |
| 1892 | |
| 1893 DEFUN ("x-grab-pointer", Fx_grab_pointer, 0, 3, 0, /* | |
| 1894 Grab the pointer and restrict it to its current window. | |
| 1895 If optional DEVICE argument is nil, the default device will be used. | |
| 1896 If optional CURSOR argument is non-nil, change the pointer shape to that | |
| 1897 until `x-ungrab-pointer' is called (it should be an object returned by the | |
| 1898 `make-cursor-glyph' function). | |
| 1899 If the second optional argument IGNORE-KEYBOARD is non-nil, ignore all | |
| 1900 keyboard events during the grab. | |
| 1901 Returns t if the grab is successful, nil otherwise. | |
| 1902 */ | |
| 1903 (device, cursor, ignore_keyboard)) | |
| 1904 { | |
| 1905 Window w; | |
| 1906 int pointer_mode, result; | |
| 1907 struct device *d = decode_x_device (device); | |
| 1908 | |
| 1909 if (!NILP (cursor)) | |
| 1910 { | |
| 1911 CHECK_POINTER_GLYPH (cursor); | |
| 1912 cursor = glyph_image_instance (cursor, device, ERROR_ME, 0); | |
| 1913 } | |
| 1914 | |
| 1915 if (!NILP (ignore_keyboard)) | |
| 1916 pointer_mode = GrabModeSync; | |
| 1917 else | |
| 1918 pointer_mode = GrabModeAsync; | |
| 1919 | |
| 1920 w = XtWindow (FRAME_X_TEXT_WIDGET (device_selected_frame (d))); | |
| 1921 | |
| 1922 /* #### Possibly this needs to gcpro the cursor somehow, but it doesn't | |
| 1923 seem to cause a problem if XFreeCursor is called on a cursor in use | |
| 1924 in a grab; I suppose the X server counts the grab as a reference | |
| 1925 and doesn't free it until it exits? */ | |
| 1926 result = XGrabPointer (DEVICE_X_DISPLAY (d), w, | |
| 1927 False, | |
| 1928 ButtonMotionMask | | |
| 1929 ButtonPressMask | | |
| 1930 ButtonReleaseMask | | |
| 1931 PointerMotionHintMask, | |
| 1932 GrabModeAsync, /* Keep pointer events flowing */ | |
| 1933 pointer_mode, /* Stall keyboard events */ | |
| 1934 w, /* Stay in this window */ | |
| 1935 (NILP (cursor) ? 0 | |
| 1936 : XIMAGE_INSTANCE_X_CURSOR (cursor)), | |
| 1937 CurrentTime); | |
| 1938 return (result == GrabSuccess) ? Qt : Qnil; | |
| 1939 } | |
| 1940 | |
| 1941 DEFUN ("x-ungrab-pointer", Fx_ungrab_pointer, 0, 1, 0, /* | |
| 1942 Release a pointer grab made with `x-grab-pointer'. | |
| 1943 If optional first arg DEVICE is nil the default device is used. | |
| 1944 If it is t the pointer will be released on all X devices. | |
| 1945 */ | |
| 1946 (device)) | |
| 1947 { | |
| 1948 if (!EQ (device, Qt)) | |
| 1949 { | |
| 1950 Display *dpy = get_x_display (device); | |
| 1951 XUngrabPointer (dpy, CurrentTime); | |
| 1952 } | |
| 1953 else | |
| 1954 { | |
| 1955 Lisp_Object devcons, concons; | |
| 1956 | |
| 1957 DEVICE_LOOP_NO_BREAK (devcons, concons) | |
| 1958 { | |
| 1959 struct device *d = XDEVICE (XCAR (devcons)); | |
| 1960 | |
| 1961 if (DEVICE_X_P (d)) | |
| 1962 XUngrabPointer (DEVICE_X_DISPLAY (d), CurrentTime); | |
| 1963 } | |
| 1964 } | |
| 1965 | |
| 1966 return Qnil; | |
| 1967 } | |
| 1968 | |
| 1969 DEFUN ("x-grab-keyboard", Fx_grab_keyboard, 0, 1, 0, /* | |
| 1970 Grab the keyboard on the given device (defaulting to the selected one). | |
| 1971 So long as the keyboard is grabbed, all keyboard events will be delivered | |
| 1972 to emacs -- it is not possible for other X clients to eavesdrop on them. | |
| 1973 Ungrab the keyboard with `x-ungrab-keyboard' (use an unwind-protect). | |
| 1974 Returns t if the grab is successful, nil otherwise. | |
| 1975 */ | |
| 1976 (device)) | |
| 1977 { | |
| 1978 struct device *d = decode_x_device (device); | |
| 1979 Window w = XtWindow (FRAME_X_TEXT_WIDGET (device_selected_frame (d))); | |
| 1980 Display *dpy = DEVICE_X_DISPLAY (d); | |
| 1981 Status status; | |
| 1982 XSync (dpy, False); | |
| 1983 status = XGrabKeyboard (dpy, w, True, | |
| 1984 /* I don't really understand sync-vs-async | |
| 1985 grabs, but this is what xterm does. */ | |
| 1986 GrabModeAsync, GrabModeAsync, | |
| 1987 /* Use the timestamp of the last user action | |
| 1988 read by emacs proper; xterm uses CurrentTime | |
| 1989 but there's a comment that says "wrong"... | |
| 1990 (Despite the name this is the time of the | |
| 1991 last key or mouse event.) */ | |
| 1992 DEVICE_X_MOUSE_TIMESTAMP (d)); | |
| 1993 if (status == GrabSuccess) | |
| 1994 { | |
| 1995 /* The XUngrabKeyboard should generate a FocusIn back to this | |
| 1996 window but it doesn't unless we explicitly set focus to the | |
| 1997 window first (which should already have it. The net result | |
| 1998 is that without this call when x-ungrab-keyboard is called | |
| 1999 the selected frame ends up not having focus. */ | |
| 2000 XSetInputFocus (dpy, w, RevertToParent, DEVICE_X_MOUSE_TIMESTAMP (d)); | |
| 2001 return Qt; | |
| 2002 } | |
| 2003 else | |
| 2004 return Qnil; | |
| 2005 } | |
| 2006 | |
| 2007 DEFUN ("x-ungrab-keyboard", Fx_ungrab_keyboard, 0, 1, 0, /* | |
| 2008 Release a keyboard grab made with `x-grab-keyboard'. | |
| 2009 */ | |
| 2010 (device)) | |
| 2011 { | |
| 2012 Display *dpy = get_x_display (device); | |
| 2013 XUngrabKeyboard (dpy, CurrentTime); | |
| 2014 return Qnil; | |
| 2015 } | |
| 2016 | |
| 2017 DEFUN ("x-get-font-path", Fx_get_font_path, 0, 1, 0, /* | |
| 2018 Get the X Server's font path. | |
| 2019 | |
| 2020 See also `x-set-font-path'. | |
| 2021 */ | |
| 2022 (device)) | |
| 2023 { | |
| 2024 Display *dpy = get_x_display (device); | |
| 2025 int ndirs_return; | |
| 2367 | 2026 const Extbyte **directories = |
| 2027 (const Extbyte **) XGetFontPath (dpy, &ndirs_return); | |
| 428 | 2028 Lisp_Object font_path = Qnil; |
| 2029 | |
| 2030 if (!directories) | |
| 563 | 2031 gui_error ("Can't get X font path", device); |
| 428 | 2032 |
| 2033 while (ndirs_return--) | |
|
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2034 font_path = Fcons (build_extstring (directories[ndirs_return], |
| 440 | 2035 Qfile_name), |
| 2036 font_path); | |
| 428 | 2037 |
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2038 XFreeFontPath ((char **)directories); |
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2039 |
| 428 | 2040 return font_path; |
| 2041 } | |
| 2042 | |
| 2043 DEFUN ("x-set-font-path", Fx_set_font_path, 1, 2, 0, /* | |
| 2044 Set the X Server's font path to FONT-PATH. | |
| 2045 | |
| 2046 There is only one font path per server, not one per client. Use this | |
| 2047 sparingly. It uncaches all of the X server's font information. | |
| 2048 | |
| 2049 Font directories should end in the path separator and should contain | |
| 2050 a file called fonts.dir usually created with the program mkfontdir. | |
| 2051 | |
| 2052 Setting the FONT-PATH to nil tells the X server to use the default | |
| 2053 font path. | |
| 2054 | |
| 2055 See also `x-get-font-path'. | |
| 2056 */ | |
| 2057 (font_path, device)) | |
| 2058 { | |
| 2059 Display *dpy = get_x_display (device); | |
| 2367 | 2060 Extbyte **directories; |
| 428 | 2061 int i=0,ndirs=0; |
| 2062 | |
| 2367 | 2063 { |
| 2064 EXTERNAL_LIST_LOOP_2 (path_entry, font_path) | |
| 2065 { | |
| 2066 CHECK_STRING (path_entry); | |
| 2067 ndirs++; | |
| 2068 } | |
| 2069 } | |
| 428 | 2070 |
| 2367 | 2071 directories = alloca_array (Extbyte *, ndirs); |
| 428 | 2072 |
| 2367 | 2073 { |
| 2074 EXTERNAL_LIST_LOOP_2 (path_entry, font_path) | |
|
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2075 LISP_PATHNAME_CONVERT_OUT (path_entry, directories[i++]); |
| 2367 | 2076 } |
| 428 | 2077 |
| 2078 expect_x_error (dpy); | |
| 2367 | 2079 XSetFontPath (dpy, directories, ndirs); |
| 428 | 2080 signal_if_x_error (dpy, 1/*resumable_p*/); |
| 2081 | |
| 2082 return Qnil; | |
| 2083 } | |
| 2084 | |
| 2085 | |
| 2086 /************************************************************************/ | |
| 2087 /* initialization */ | |
| 2088 /************************************************************************/ | |
| 2089 | |
| 2090 void | |
| 2091 syms_of_device_x (void) | |
| 2092 { | |
| 3092 | 2093 #ifdef NEW_GC |
|
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2094 INIT_LISP_OBJECT (x_device); |
| 3092 | 2095 #endif /* NEW_GC */ |
| 2096 | |
| 428 | 2097 DEFSUBR (Fx_debug_mode); |
| 2098 DEFSUBR (Fx_get_resource); | |
| 2099 DEFSUBR (Fx_get_resource_prefix); | |
| 2100 DEFSUBR (Fx_put_resource); | |
| 2101 | |
| 2102 DEFSUBR (Fdefault_x_device); | |
| 2103 DEFSUBR (Fx_display_visual_class); | |
| 2104 DEFSUBR (Fx_display_visual_depth); | |
| 2105 DEFSUBR (Fx_server_vendor); | |
| 2106 DEFSUBR (Fx_server_version); | |
| 2107 DEFSUBR (Fx_valid_keysym_name_p); | |
| 2108 DEFSUBR (Fx_keysym_hash_table); | |
| 2109 DEFSUBR (Fx_keysym_on_keyboard_p); | |
| 2110 DEFSUBR (Fx_keysym_on_keyboard_sans_modifiers_p); | |
| 2111 | |
| 2112 DEFSUBR (Fx_grab_pointer); | |
| 2113 DEFSUBR (Fx_ungrab_pointer); | |
| 2114 DEFSUBR (Fx_grab_keyboard); | |
| 2115 DEFSUBR (Fx_ungrab_keyboard); | |
| 2116 | |
| 2117 DEFSUBR (Fx_get_font_path); | |
| 2118 DEFSUBR (Fx_set_font_path); | |
| 2119 | |
| 563 | 2120 DEFSYMBOL (Qx_error); |
|
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Aidan Kehoe <kehoea@parhasard.net>
parents:
4404
diff
changeset
|
2121 DEFSYMBOL (Qmake_device_early_x_entry_point); |
|
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Don't determine whether to call general device-type code at startup,
Aidan Kehoe <kehoea@parhasard.net>
parents:
4404
diff
changeset
|
2122 DEFSYMBOL (Qmake_device_late_x_entry_point); |
| 771 | 2123 |
| 2124 #ifdef MULE | |
| 2125 DEFSYMBOL (Qget_coding_system_from_locale); | |
| 2126 #endif | |
| 428 | 2127 } |
| 2128 | |
| 2129 void | |
| 2130 reinit_console_type_create_device_x (void) | |
| 2131 { | |
| 2132 /* Initialize variables to speed up X resource interactions */ | |
| 2367 | 2133 const Ascbyte *valid_resource_chars = |
| 428 | 2134 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"; |
| 2135 while (*valid_resource_chars) | |
| 2136 valid_resource_char_p[(unsigned int) (*valid_resource_chars++)] = 1; | |
| 2137 | |
| 771 | 2138 name_Extbyte_dynarr = Dynarr_new (Extbyte); |
| 2139 class_Extbyte_dynarr = Dynarr_new (Extbyte); | |
| 428 | 2140 } |
| 2141 | |
| 2142 void | |
| 2143 console_type_create_device_x (void) | |
| 2144 { | |
| 2145 reinit_console_type_create_device_x (); | |
| 2146 CONSOLE_HAS_METHOD (x, init_device); | |
| 2147 CONSOLE_HAS_METHOD (x, finish_init_device); | |
| 2148 CONSOLE_HAS_METHOD (x, mark_device); | |
| 2149 CONSOLE_HAS_METHOD (x, delete_device); | |
| 2150 CONSOLE_HAS_METHOD (x, device_system_metrics); | |
| 2151 } | |
| 2152 | |
| 2153 void | |
| 2154 reinit_vars_of_device_x (void) | |
| 2155 { | |
| 2156 error_expected = 0; | |
| 2157 error_occurred = 0; | |
| 2158 | |
| 2159 in_resource_setting = 0; | |
| 2160 } | |
| 2161 | |
| 2162 void | |
| 2163 vars_of_device_x (void) | |
| 2164 { | |
| 2165 DEFVAR_LISP ("x-emacs-application-class", &Vx_emacs_application_class /* | |
| 2166 The X application class of the XEmacs process. | |
| 2167 This controls, among other things, the name of the `app-defaults' file | |
| 2168 that XEmacs will use. For changes to this variable to take effect, they | |
| 2169 must be made before the connection to the X server is initialized, that is, | |
| 2170 this variable may only be changed before emacs is dumped, or by setting it | |
| 2171 in the file lisp/term/x-win.el. | |
| 2172 | |
| 2681 | 2173 If this variable is nil on startup, the application uses `XEmacs'. Versions |
| 2174 previous to 21.5.21 examined the resource database and used `XEmacs' if any | |
| 2175 resources beginning with that string existed, and `Emacs' otherwise, for | |
| 2828 | 2176 greater backward compatibility. However, this has always tended to conflict |
| 2681 | 2177 with GNU Emacs, so this behavior is deprecated--in the short term, you can |
| 2178 restore it in a post-21.5.21 XEmacs by setting the | |
| 2179 USE_EMACS_AS_DEFAULT_APPLICATION_CLASS environment variable to some value, | |
| 2180 but in the medium and long term, you should migrate your X resources. | |
| 428 | 2181 */ ); |
| 2182 Vx_emacs_application_class = Qnil; | |
| 2183 | |
| 2184 DEFVAR_LISP ("x-initial-argv-list", &Vx_initial_argv_list /* | |
| 2185 You don't want to know. | |
| 2186 This is used during startup to communicate the remaining arguments in | |
| 2187 `command-line-args-left' to the C code, which passes the args to | |
| 2188 the X initialization code, which removes some args, and then the | |
| 2189 args are placed back into `x-initial-arg-list' and thence into | |
| 2190 `command-line-args-left'. Perhaps `command-line-args-left' should | |
| 2191 just reside in C. | |
| 2192 */ ); | |
| 2193 Vx_initial_argv_list = Qnil; | |
| 2194 | |
| 2195 DEFVAR_LISP ("x-app-defaults-directory", &Vx_app_defaults_directory /* | |
| 2196 Used by the Lisp code to communicate to the low level X initialization | |
| 2197 where the localized init files are. | |
| 2198 */ ); | |
| 2199 Vx_app_defaults_directory = Qnil; | |
| 2200 | |
| 2201 Fprovide (Qx); | |
| 2202 } |