Mercurial > hg > xemacs-beta
annotate src/device-x.c @ 5149:b72f27a08ed5
Reflect --with-datadir setting in late-package directories.
2010-03-18 Mike Sperber <mike@xemacs.org>
* configure.ac: Set LATE_PACKAGE_DIRECTORIES_USER_DEFINED if
`datadir' was changed; set `with_late_packages' to something
sensible for this case.
| author | Mike Sperber <sperber@deinprogramm.de> |
|---|---|
| date | Thu, 18 Mar 2010 13:42:29 +0100 |
| parents | a9c41067dd88 |
| children | 97eb4942aec8 |
| 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" |
| 47 #include "objects-x.h" | |
| 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 { | |
| 152 struct device *d = get_device_from_display_1 (dpy); | |
| 153 | |
| 154 #if !defined(INFODOCK) | |
| 155 # define FALLBACK_RESOURCE_NAME "xemacs" | |
| 156 # else | |
| 157 # define FALLBACK_RESOURCE_NAME "infodock" | |
| 158 #endif | |
| 159 | |
| 853 | 160 if (!d) |
| 161 { | |
| 162 /* This isn't one of our displays. Let's crash? */ | |
| 163 stderr_out | |
| 164 ("\n%s: Fatal X Condition. Asked about display we don't own: \"%s\"\n", | |
| 165 (STRINGP (Vinvocation_name) ? | |
| 166 (char *) XSTRING_DATA (Vinvocation_name) : FALLBACK_RESOURCE_NAME), | |
| 167 DisplayString (dpy) ? DisplayString (dpy) : "???"); | |
| 2500 | 168 ABORT(); |
| 853 | 169 } |
| 428 | 170 |
| 171 #undef FALLBACK_RESOURCE_NAME | |
| 172 | |
| 173 return d; | |
| 174 } | |
| 175 | |
| 176 struct device * | |
| 177 decode_x_device (Lisp_Object device) | |
| 178 { | |
| 793 | 179 device = wrap_device (decode_device (device)); |
| 428 | 180 CHECK_X_DEVICE (device); |
| 181 return XDEVICE (device); | |
| 182 } | |
| 183 | |
| 184 static Display * | |
| 185 get_x_display (Lisp_Object device) | |
| 186 { | |
| 187 return DEVICE_X_DISPLAY (decode_x_device (device)); | |
| 188 } | |
| 189 | |
| 771 | 190 static Lisp_Object |
| 2333 | 191 coding_system_of_xrm_database (XrmDatabase USED_IF_MULE (db)) |
| 771 | 192 { |
| 193 #ifdef MULE | |
| 3707 | 194 const Extbyte *locale; |
| 195 Lisp_Object localestr; | |
| 196 static XrmDatabase last_xrm_db; | |
| 197 | |
| 198 /* This will always be zero, nil or an actual coding system object, so no | |
| 199 need to worry about GCPROing it--it'll be protected from garbage | |
| 200 collection by means of Vcoding_system_hash_table in file-coding.c. */ | |
| 201 static Lisp_Object last_coding_system; | |
| 202 | |
| 203 if (db == last_xrm_db) | |
| 204 { | |
| 205 return last_coding_system; | |
| 206 } | |
| 207 | |
| 208 last_xrm_db = db; | |
| 209 | |
| 210 locale = XrmLocaleOfDatabase (db); | |
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211 localestr = build_extstring (locale, Qbinary); |
| 3707 | 212 last_coding_system = call1 (Qget_coding_system_from_locale, localestr); |
| 213 | |
| 214 return last_coding_system; | |
| 771 | 215 #else |
| 216 return Qbinary; | |
| 217 #endif | |
| 218 } | |
| 219 | |
| 428 | 220 |
| 221 /************************************************************************/ | |
| 222 /* initializing an X connection */ | |
| 223 /************************************************************************/ | |
| 224 | |
| 756 | 225 static struct device *device_being_initialized = NULL; |
| 226 | |
| 428 | 227 static void |
| 228 allocate_x_device_struct (struct device *d) | |
| 229 { | |
| 3092 | 230 #ifdef NEW_GC |
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231 d->device_data = XX_DEVICE (ALLOC_NORMAL_LISP_OBJECT (x_device)); |
| 3092 | 232 #else /* not NEW_GC */ |
| 428 | 233 d->device_data = xnew_and_zero (struct x_device); |
| 3092 | 234 #endif /* not NEW_GC */ |
| 428 | 235 } |
| 236 | |
| 237 static void | |
| 238 Xatoms_of_device_x (struct device *d) | |
| 239 { | |
| 240 Display *D = DEVICE_X_DISPLAY (d); | |
| 241 | |
| 242 DEVICE_XATOM_WM_PROTOCOLS (d) = XInternAtom (D, "WM_PROTOCOLS", False); | |
| 243 DEVICE_XATOM_WM_DELETE_WINDOW(d) = XInternAtom (D, "WM_DELETE_WINDOW",False); | |
| 244 DEVICE_XATOM_WM_SAVE_YOURSELF(d) = XInternAtom (D, "WM_SAVE_YOURSELF",False); | |
| 245 DEVICE_XATOM_WM_TAKE_FOCUS (d) = XInternAtom (D, "WM_TAKE_FOCUS", False); | |
| 246 DEVICE_XATOM_WM_STATE (d) = XInternAtom (D, "WM_STATE", False); | |
| 247 } | |
| 248 | |
| 249 static void | |
| 250 sanity_check_geometry_resource (Display *dpy) | |
| 251 { | |
| 771 | 252 Extbyte *app_name, *app_class, *s; |
| 253 Extbyte buf1 [255], buf2 [255]; | |
| 254 Extbyte *type; | |
| 428 | 255 XrmValue value; |
| 256 XtGetApplicationNameAndClass (dpy, &app_name, &app_class); | |
| 257 strcpy (buf1, app_name); | |
| 258 strcpy (buf2, app_class); | |
| 259 for (s = buf1; *s; s++) if (*s == '.') *s = '_'; | |
| 260 strcat (buf1, "._no_._such_._resource_.geometry"); | |
| 261 strcat (buf2, "._no_._such_._resource_.Geometry"); | |
| 262 if (XrmGetResource (XtDatabase (dpy), buf1, buf2, &type, &value) == True) | |
| 263 { | |
| 867 | 264 Ibyte *app_name_int, *app_class_int, *value_addr_int; |
| 771 | 265 Lisp_Object codesys = coding_system_of_xrm_database (XtDatabase (dpy)); |
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266 app_name_int = EXTERNAL_TO_ITEXT (app_name, codesys); |
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267 app_class_int = EXTERNAL_TO_ITEXT (app_class, codesys); |
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268 value_addr_int = EXTERNAL_TO_ITEXT (value.addr, codesys); |
| 771 | 269 |
| 428 | 270 warn_when_safe (Qgeometry, Qerror, |
| 271 "\n" | |
| 272 "Apparently \"%s*geometry: %s\" or \"%s*geometry: %s\" was\n" | |
| 273 "specified in the resource database. Specifying \"*geometry\" will make\n" | |
| 274 "XEmacs (and most other X programs) malfunction in obscure ways. (i.e.\n" | |
| 275 "the Xt or Xm libraries will probably crash, which is a very bad thing.)\n" | |
| 276 "You should always use \".geometry\" or \"*EmacsFrame.geometry\" instead.\n", | |
| 771 | 277 app_name_int, value_addr_int, |
| 278 app_class_int, value_addr_int); | |
| 428 | 279 suppress_early_error_handler_backtrace = 1; |
| 563 | 280 syntax_error ("Invalid geometry resource", Qunbound); |
| 428 | 281 } |
| 282 } | |
| 283 | |
| 284 static void | |
| 285 x_init_device_class (struct device *d) | |
| 286 { | |
| 287 if (DEVICE_X_DEPTH(d) > 2) | |
| 288 { | |
| 1204 | 289 switch (DEVICE_X_VISUAL(d)->X_CLASSFIELD) |
| 428 | 290 { |
| 291 case StaticGray: | |
| 292 case GrayScale: | |
| 293 DEVICE_CLASS (d) = Qgrayscale; | |
| 294 break; | |
| 295 default: | |
| 296 DEVICE_CLASS (d) = Qcolor; | |
| 297 } | |
| 298 } | |
| 299 else | |
| 300 DEVICE_CLASS (d) = Qmono; | |
| 301 } | |
| 302 | |
| 303 /* | |
| 304 * Figure out what application name to use for xemacs | |
| 305 * | |
| 306 * Since we have decomposed XtOpenDisplay into XOpenDisplay and | |
| 307 * XtDisplayInitialize, we no longer get this for free. | |
| 308 * | |
| 309 * If there is a `-name' argument in argv, use that. | |
| 310 * Otherwise use the last component of argv[0]. | |
| 311 * | |
| 312 * I have removed the gratuitous use of getenv("RESOURCE_NAME") | |
| 313 * which was in X11R5, but left the matching of any prefix of `-name'. | |
| 314 * Finally, if all else fails, return `xemacs', as it is more | |
| 315 * appropriate (X11R5 returns `main'). | |
| 316 */ | |
| 442 | 317 static Extbyte * |
| 318 compute_x_app_name (int argc, Extbyte **argv) | |
| 428 | 319 { |
| 320 int i; | |
| 442 | 321 Extbyte *ptr; |
| 428 | 322 |
| 323 for (i = 1; i < argc - 1; i++) | |
| 324 if (!strncmp(argv[i], "-name", max (2, strlen (argv[1])))) | |
| 325 return argv[i+1]; | |
| 326 | |
| 327 if (argc > 0 && argv[0] && *argv[0]) | |
| 328 return (ptr = strrchr (argv[0], '/')) ? ++ptr : argv[0]; | |
| 329 | |
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330 return (Extbyte *) "xemacs"; /* shut up g++ 4.3 */ |
| 428 | 331 } |
| 332 | |
| 333 /* | |
| 334 * This function figures out whether the user has any resources of the | |
| 335 * form "XEmacs.foo" or "XEmacs*foo". | |
| 336 * | |
| 337 * Currently we only consult the display's global resources; to look | |
| 338 * for screen specific resources, we would need to also consult: | |
| 339 * xdefs = XScreenResourceString(ScreenOfDisplay(dpy, scrno)); | |
| 340 */ | |
| 341 static int | |
| 342 have_xemacs_resources_in_xrdb (Display *dpy) | |
| 343 { | |
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344 const char *xdefs, *key; |
| 428 | 345 int len; |
| 346 | |
| 347 #ifdef INFODOCK | |
| 348 key = "InfoDock"; | |
| 349 #else | |
| 350 key = "XEmacs"; | |
| 351 #endif | |
| 352 len = strlen (key); | |
| 353 | |
| 354 if (!dpy) | |
| 355 return 0; | |
| 356 | |
| 357 xdefs = XResourceManagerString (dpy); /* don't free - owned by X */ | |
| 358 while (xdefs && *xdefs) | |
| 359 { | |
| 360 if (strncmp (xdefs, key, len) == 0 && | |
| 361 (xdefs[len] == '*' || xdefs[len] == '.')) | |
| 362 return 1; | |
| 363 | |
| 364 while (*xdefs && *xdefs++ != '\n') /* find start of next entry.. */ | |
| 365 ; | |
| 366 } | |
| 367 | |
| 368 return 0; | |
| 369 } | |
| 370 | |
| 371 /* Only the characters [-_A-Za-z0-9] are allowed in the individual | |
| 372 components of a resource. Convert invalid characters to `-' */ | |
| 373 | |
| 374 static char valid_resource_char_p[256]; | |
| 375 | |
| 376 static void | |
| 771 | 377 validify_resource_component (Extbyte *str, Bytecount len) |
| 428 | 378 { |
| 379 for (; len; len--, str++) | |
| 380 if (!valid_resource_char_p[(unsigned char) (*str)]) | |
| 381 *str = '-'; | |
| 382 } | |
| 383 | |
| 384 static void | |
| 771 | 385 Dynarr_add_validified_lisp_string (Extbyte_dynarr *cda, Lisp_Object str) |
| 428 | 386 { |
| 771 | 387 Bytecount len; |
| 388 Extbyte *data; | |
| 389 | |
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390 LISP_STRING_TO_SIZED_EXTERNAL (str, data, len, Qbinary); |
| 771 | 391 Dynarr_add_many (cda, data, len); |
| 392 validify_resource_component (Dynarr_atp (cda, Dynarr_length (cda) - len), | |
| 393 len); | |
| 428 | 394 } |
| 395 | |
| 396 #if 0 | |
| 397 /* compare visual info for qsorting */ | |
| 398 static int | |
| 399 x_comp_visual_info (const void *elem1, const void *elem2) | |
| 400 { | |
| 401 XVisualInfo *left, *right; | |
| 402 | |
| 403 left = (XVisualInfo *)elem1; | |
| 404 right = (XVisualInfo *)elem2; | |
| 405 | |
| 406 if ( left == NULL ) | |
| 407 return -1; | |
| 408 if ( right == NULL ) | |
| 409 return 1; | |
| 410 | |
| 771 | 411 if ( left->depth > right->depth ) |
| 428 | 412 return 1; |
| 771 | 413 else if ( left->depth == right->depth ) |
| 414 { | |
| 415 if ( left->colormap_size > right->colormap_size ) | |
| 416 return 1; | |
| 1204 | 417 if ( left->X_CLASSFIELD > right->X_CLASSFIELD ) |
| 771 | 418 return 1; |
| 1204 | 419 else if ( left->X_CLASSFIELD < right->X_CLASSFIELD ) |
| 771 | 420 return -1; |
| 421 else | |
| 422 return 0; | |
| 423 } | |
| 424 else | |
| 428 | 425 return -1; |
| 426 } | |
| 427 #endif /* if 0 */ | |
| 428 | |
| 429 #define XXX_IMAGE_LIBRARY_IS_SOMEWHAT_BROKEN | |
| 430 static Visual * | |
| 431 x_try_best_visual_class (Screen *screen, int scrnum, int visual_class) | |
| 432 { | |
| 433 Display *dpy = DisplayOfScreen (screen); | |
| 434 XVisualInfo vi_in; | |
| 435 XVisualInfo *vi_out = NULL; | |
| 436 int out_count; | |
| 437 | |
| 1204 | 438 vi_in.X_CLASSFIELD = visual_class; |
| 428 | 439 vi_in.screen = scrnum; |
| 440 vi_out = XGetVisualInfo (dpy, (VisualClassMask | VisualScreenMask), | |
| 441 &vi_in, &out_count); | |
| 442 if ( vi_out ) | |
| 443 { | |
| 444 int i, best; | |
| 445 Visual *visual; | |
| 446 for (i = 0, best = 0; i < out_count; i++) | |
| 447 /* It's better if it's deeper, or if it's the same depth with | |
| 448 more cells (does that ever happen? Well, it could...) | |
| 449 NOTE: don't allow pseudo color to get larger than 8! */ | |
| 450 if (((vi_out [i].depth > vi_out [best].depth) || | |
| 451 ((vi_out [i].depth == vi_out [best].depth) && | |
| 452 (vi_out [i].colormap_size > vi_out [best].colormap_size))) | |
| 453 #ifdef XXX_IMAGE_LIBRARY_IS_SOMEWHAT_BROKEN | |
| 454 /* For now, the image library doesn't like PseudoColor visuals | |
| 455 of depths other than 1 or 8. Depths greater than 8 only occur | |
| 456 on machines which have TrueColor anyway, so probably we'll end | |
| 457 up using that (it is the one that `Best' would pick) but if a | |
| 458 PseudoColor visual is explicitly specified, pick the 8 bit one. | |
| 459 */ | |
| 460 && (visual_class != PseudoColor || | |
| 461 vi_out [i].depth == 1 || | |
| 462 vi_out [i].depth == 8) | |
| 463 #endif | |
| 464 | |
| 465 /* SGI has 30-bit deep visuals. Ignore them. | |
| 466 (We only have 24-bit data anyway.) | |
| 467 */ | |
| 468 && (vi_out [i].depth <= 24) | |
| 469 ) | |
| 470 best = i; | |
| 471 visual = vi_out[best].visual; | |
| 472 XFree ((char *) vi_out); | |
| 473 return visual; | |
| 474 } | |
| 475 else | |
| 476 return 0; | |
| 477 } | |
| 478 | |
| 479 static int | |
| 480 x_get_visual_depth (Display *dpy, Visual *visual) | |
| 481 { | |
| 482 XVisualInfo vi_in; | |
| 483 XVisualInfo *vi_out; | |
| 484 int out_count, d; | |
| 485 | |
| 486 vi_in.visualid = XVisualIDFromVisual (visual); | |
| 487 vi_out = XGetVisualInfo (dpy, /*VisualScreenMask|*/VisualIDMask, | |
| 488 &vi_in, &out_count); | |
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489 assert (vi_out); |
| 428 | 490 d = vi_out [0].depth; |
| 491 XFree ((char *) vi_out); | |
| 492 return d; | |
| 493 } | |
| 494 | |
| 495 static Visual * | |
| 496 x_try_best_visual (Display *dpy, int scrnum) | |
| 497 { | |
| 498 Visual *visual = NULL; | |
| 499 Screen *screen = ScreenOfDisplay (dpy, scrnum); | |
| 500 if ((visual = x_try_best_visual_class (screen, scrnum, TrueColor)) | |
| 501 && x_get_visual_depth (dpy, visual) >= 16 ) | |
| 502 return visual; | |
| 503 if ((visual = x_try_best_visual_class (screen, scrnum, PseudoColor))) | |
| 504 return visual; | |
| 505 if ((visual = x_try_best_visual_class (screen, scrnum, TrueColor))) | |
| 506 return visual; | |
| 507 #ifdef DIRECTCOLOR_WORKS | |
| 508 if ((visual = x_try_best_visual_class (screen, scrnum, DirectColor))) | |
| 509 return visual; | |
| 510 #endif | |
| 511 | |
| 512 visual = DefaultVisualOfScreen (screen); | |
| 513 if ( x_get_visual_depth (dpy, visual) >= 8 ) | |
| 514 return visual; | |
| 515 | |
| 516 if ((visual = x_try_best_visual_class (screen, scrnum, StaticGray))) | |
| 517 return visual; | |
| 518 if ((visual = x_try_best_visual_class (screen, scrnum, GrayScale))) | |
| 519 return visual; | |
| 520 return DefaultVisualOfScreen (screen); | |
| 521 } | |
| 522 | |
| 523 | |
| 524 static void | |
| 2286 | 525 x_init_device (struct device *d, Lisp_Object UNUSED (props)) |
| 428 | 526 { |
| 2367 | 527 /* !!#### */ |
| 428 | 528 Lisp_Object display; |
| 529 Display *dpy; | |
| 530 Widget app_shell; | |
| 531 int argc; | |
| 442 | 532 Extbyte **argv; |
| 533 const char *app_class; | |
| 534 const char *app_name; | |
| 535 const char *disp_name; | |
| 428 | 536 Visual *visual = NULL; |
| 537 int depth = 8; /* shut up the compiler */ | |
| 538 Colormap cmap; | |
| 539 int screen; | |
| 540 /* */ | |
| 541 int best_visual_found = 0; | |
| 542 | |
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543 /* Run the elisp side of the X device initialization, allowing it to set |
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544 x-emacs-application-class and x-app-defaults-directory. */ |
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545 call0 (Qmake_device_early_x_entry_point); |
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546 |
| 442 | 547 #if defined(HAVE_SHLIB) && defined(LWLIB_USES_ATHENA) && !defined(HAVE_ATHENA_3D) |
| 440 | 548 /* |
| 549 * In order to avoid the lossage with flat Athena widgets dynamically | |
| 550 * linking to one of the ThreeD variants, using the dynamic symbol helpers | |
| 551 * to look for symbols that shouldn't be there and refusing to run if they | |
| 552 * are seems a less toxic idea than having XEmacs crash when we try and | |
| 553 * use a subclass of a widget that has changed size. | |
| 554 * | |
| 555 * It's ugly, I know, and not going to work everywhere. It seems better to | |
| 556 * do our damnedest to try and tell the user what to expect rather than | |
| 557 * simply blow up though. | |
| 558 * | |
| 559 * All the ThreeD variants I have access to define the following function | |
| 560 * symbols in the shared library. The flat Xaw library does not define them: | |
| 561 * | |
| 562 * Xaw3dComputeBottomShadowRGB | |
| 563 * Xaw3dComputeTopShadowRGB | |
| 564 * | |
| 565 * So far only Linux has shown this problem. This seems to be portable to | |
| 566 * all the distributions (certainly all the ones I checked - Debian and | |
| 567 * Redhat) | |
| 568 * | |
| 569 * This will only work, sadly, with dlopen() -- the other dynamic linkers | |
| 570 * are simply not capable of doing what is needed. :/ | |
| 571 */ | |
| 572 | |
| 573 { | |
| 574 /* Get a dll handle to the main process. */ | |
| 1706 | 575 dll_handle xaw_dll_handle = dll_open (Qnil); |
| 440 | 576 |
| 577 /* Did that fail? If so, continue without error. | |
| 578 * We could die here but, well, that's unfriendly and all -- plus I feel | |
| 579 * better about some crashing somewhere rather than preventing a perfectly | |
| 580 * good configuration working just because dll_open failed. | |
| 581 */ | |
| 582 if (xaw_dll_handle != NULL) | |
| 583 { | |
| 584 /* Look for the Xaw3d function */ | |
| 585 dll_func xaw_function_handle = | |
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586 dll_function (xaw_dll_handle, |
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587 (const Ibyte *) "Xaw3dComputeTopShadowRGB"); |
| 440 | 588 |
| 589 /* If we found it, warn the user in big, nasty, unfriendly letters */ | |
| 590 if (xaw_function_handle != NULL) | |
| 591 { | |
| 793 | 592 warn_when_safe (Qdevice, Qcritical, "\n" |
| 440 | 593 "It seems that XEmacs is built dynamically linked to the flat Athena widget\n" |
| 594 "library but it finds a 3D Athena variant with the same name at runtime.\n" | |
| 595 "\n" | |
| 596 "This WILL cause your XEmacs process to dump core at some point.\n" | |
| 597 "You should not continue to use this binary without resolving this issue.\n" | |
| 598 "\n" | |
| 599 "This can be solved with the xaw-wrappers package under Debian\n" | |
| 600 "(register XEmacs as incompatible with all 3d widget sets, see\n" | |
| 601 "update-xaw-wrappers(8) and .../doc/xaw-wrappers/README.packagers). It\n" | |
| 602 "can be verified by checking the runtime path in /etc/ld.so.conf and by\n" | |
| 603 "using `ldd /path/to/xemacs' under other Linux distributions. One\n" | |
| 604 "solution is to use LD_PRELOAD or LD_LIBRARY_PATH to force ld.so to\n" | |
| 605 "load the flat Athena widget library instead of the aliased 3D widget\n" | |
| 606 "library (see ld.so(8) for use of these environment variables).\n\n" | |
| 607 ); | |
| 608 | |
| 609 } | |
| 610 | |
| 611 /* Otherwise release the handle to the library | |
| 612 * No error catch here; I can't think of a way to recover anyhow. | |
| 613 */ | |
| 614 dll_close (xaw_dll_handle); | |
| 615 } | |
| 616 } | |
| 442 | 617 #endif /* HAVE_SHLIB and LWLIB_USES_ATHENA and not HAVE_ATHENA_3D */ |
| 440 | 618 |
| 428 | 619 display = DEVICE_CONNECTION (d); |
| 620 | |
| 621 allocate_x_device_struct (d); | |
| 622 | |
| 623 make_argc_argv (Vx_initial_argv_list, &argc, &argv); | |
| 624 | |
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625 disp_name = LISP_STRING_TO_EXTERNAL (display, Qctext); |
| 428 | 626 |
| 627 /* | |
| 628 * Break apart the old XtOpenDisplay call into XOpenDisplay and | |
| 629 * XtDisplayInitialize so we can figure out whether there | |
| 630 * are any XEmacs resources in the resource database before | |
| 631 * we initialize Xt. This is so we can automagically support | |
| 632 * both `Emacs' and `XEmacs' application classes. | |
| 633 */ | |
| 634 slow_down_interrupts (); | |
| 635 /* May not be needed but XtOpenDisplay could not deal with signals here. */ | |
| 756 | 636 device_being_initialized = d; |
| 428 | 637 dpy = DEVICE_X_DISPLAY (d) = XOpenDisplay (disp_name); |
| 756 | 638 device_being_initialized = NULL; |
| 428 | 639 speed_up_interrupts (); |
| 640 | |
| 641 if (dpy == 0) | |
| 642 { | |
| 643 suppress_early_error_handler_backtrace = 1; | |
| 563 | 644 gui_error ("X server not responding\n", display); |
| 428 | 645 } |
| 646 | |
| 647 if (STRINGP (Vx_emacs_application_class) && | |
| 648 XSTRING_LENGTH (Vx_emacs_application_class) > 0) | |
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649 app_class = LISP_STRING_TO_EXTERNAL (Vx_emacs_application_class, Qctext); |
| 428 | 650 else |
| 651 { | |
| 2681 | 652 if (egetenv ("USE_EMACS_AS_DEFAULT_APPLICATION_CLASS")) |
| 653 { | |
| 654 app_class = (NILP (Vx_emacs_application_class) && | |
| 655 have_xemacs_resources_in_xrdb (dpy)) | |
| 428 | 656 #ifdef INFODOCK |
| 2681 | 657 ? "InfoDock" |
| 428 | 658 #else |
| 2681 | 659 ? "XEmacs" |
| 428 | 660 #endif |
| 2681 | 661 : "Emacs"; |
| 662 } | |
| 663 else | |
| 664 { | |
| 665 app_class = "XEmacs"; | |
| 666 } | |
| 667 | |
| 428 | 668 /* need to update Vx_emacs_application_class: */ |
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669 Vx_emacs_application_class = build_cistring (app_class); |
| 428 | 670 } |
| 671 | |
| 672 slow_down_interrupts (); | |
| 673 /* May not be needed but XtOpenDisplay could not deal with signals here. | |
| 674 Yuck. */ | |
| 675 XtDisplayInitialize (Xt_app_con, dpy, compute_x_app_name (argc, argv), | |
| 676 app_class, emacs_options, | |
| 442 | 677 XtNumber (emacs_options), &argc, (char **) argv); |
| 428 | 678 speed_up_interrupts (); |
| 679 | |
| 680 screen = DefaultScreen (dpy); | |
| 681 | |
| 682 #ifdef MULE | |
| 683 { | |
| 684 /* Read in locale-specific resources from | |
| 685 data-directory/app-defaults/$LANG/Emacs. | |
| 686 This is in addition to the standard app-defaults files, and | |
| 687 does not override resources defined elsewhere */ | |
| 771 | 688 const Extbyte *data_dir; |
| 689 Extbyte *path; | |
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690 const Extbyte *format; |
| 428 | 691 XrmDatabase db = XtDatabase (dpy); /* #### XtScreenDatabase(dpy) ? */ |
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692 const Extbyte *locale = xstrdup (XrmLocaleOfDatabase (db)); |
| 3644 | 693 Extbyte *locale_end; |
| 428 | 694 |
| 695 if (STRINGP (Vx_app_defaults_directory) && | |
| 696 XSTRING_LENGTH (Vx_app_defaults_directory) > 0) | |
| 697 { | |
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698 LISP_PATHNAME_CONVERT_OUT (Vx_app_defaults_directory, data_dir); |
| 2367 | 699 path = alloca_extbytes (strlen (data_dir) + strlen (locale) + 7); |
| 3644 | 700 format = "%s%s/Emacs"; |
| 428 | 701 } |
| 702 else if (STRINGP (Vdata_directory) && XSTRING_LENGTH (Vdata_directory) > 0) | |
| 703 { | |
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704 LISP_PATHNAME_CONVERT_OUT (Vdata_directory, data_dir); |
| 2367 | 705 path = alloca_extbytes (strlen (data_dir) + 13 + strlen (locale) + 7); |
| 3644 | 706 format = "%sapp-defaults/%s/Emacs"; |
| 428 | 707 } |
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708 else |
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709 { |
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710 goto no_data_directory; |
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711 } |
| 3644 | 712 |
| 713 /* | |
| 714 * The general form for $LANG is <language>_<country>.<encoding>. Try | |
| 715 * that form, <language>_<country> and <language> and load for first | |
| 716 * app-defaults file found. | |
| 717 */ | |
| 718 | |
| 719 sprintf (path, format, data_dir, locale); | |
| 720 if (!access (path, R_OK)) | |
| 721 XrmCombineFileDatabase (path, &db, False); | |
| 722 | |
| 723 if ((locale_end = strchr(locale, '.'))) { | |
| 724 *locale_end = '\0'; | |
| 725 sprintf (path, format, data_dir, locale); | |
| 726 | |
| 727 if (!access (path, R_OK)) | |
| 728 XrmCombineFileDatabase (path, &db, False); | |
| 729 } | |
| 730 | |
| 731 if ((locale_end = strchr(locale, '_'))) { | |
| 732 *locale_end = '\0'; | |
| 733 sprintf (path, format, data_dir, locale); | |
| 734 | |
| 735 if (!access (path, R_OK)) | |
| 736 XrmCombineFileDatabase (path, &db, False); | |
| 737 } | |
| 738 | |
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739 no_data_directory: |
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740 { |
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741 /* Cast off const for G++ 4.3. */ |
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742 Extbyte *temp = (Extbyte *) locale; |
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743 xfree (temp); |
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744 } |
| 428 | 745 } |
| 746 #endif /* MULE */ | |
| 747 | |
| 748 if (NILP (DEVICE_NAME (d))) | |
| 749 DEVICE_NAME (d) = display; | |
| 750 | |
| 751 /* We're going to modify the string in-place, so be a nice XEmacs */ | |
| 752 DEVICE_NAME (d) = Fcopy_sequence (DEVICE_NAME (d)); | |
| 753 /* colons and periods can't appear in individual elements of resource | |
| 754 strings */ | |
| 755 | |
| 756 XtGetApplicationNameAndClass (dpy, (char **) &app_name, (char **) &app_class); | |
| 757 /* search for a matching visual if requested by the user, or setup the display default */ | |
| 758 { | |
| 759 int resource_name_length = max (sizeof (".emacsVisual"), | |
| 760 sizeof (".privateColormap")); | |
| 761 char *buf1 = alloca_array (char, strlen (app_name) + resource_name_length); | |
| 762 char *buf2 = alloca_array (char, strlen (app_class) + resource_name_length); | |
| 763 char *type; | |
| 764 XrmValue value; | |
| 765 | |
| 766 sprintf (buf1, "%s.emacsVisual", app_name); | |
| 767 sprintf (buf2, "%s.EmacsVisual", app_class); | |
| 768 if (XrmGetResource (XtDatabase (dpy), buf1, buf2, &type, &value) == True) | |
| 769 { | |
| 770 int cnt = 0; | |
| 771 int vis_class = PseudoColor; | |
| 772 XVisualInfo vinfo; | |
| 773 char *str = (char*) value.addr; | |
| 774 | |
| 775 #define CHECK_VIS_CLASS(visual_class) \ | |
| 776 else if (memcmp (str, #visual_class, sizeof (#visual_class) - 1) == 0) \ | |
| 777 cnt = sizeof (#visual_class) - 1, vis_class = visual_class | |
| 778 | |
| 779 if (1) | |
| 780 ; | |
| 781 CHECK_VIS_CLASS (StaticGray); | |
| 782 CHECK_VIS_CLASS (StaticColor); | |
| 783 CHECK_VIS_CLASS (TrueColor); | |
| 784 CHECK_VIS_CLASS (GrayScale); | |
| 785 CHECK_VIS_CLASS (PseudoColor); | |
| 786 CHECK_VIS_CLASS (DirectColor); | |
| 787 | |
| 788 if (cnt) | |
| 789 { | |
| 790 depth = atoi (str + cnt); | |
| 791 if (depth == 0) | |
| 792 { | |
| 771 | 793 stderr_out ("Invalid Depth specification in %s... " |
| 794 "ignoring...\n", str); | |
| 428 | 795 } |
| 796 else | |
| 797 { | |
| 798 if (XMatchVisualInfo (dpy, screen, depth, vis_class, &vinfo)) | |
| 799 { | |
| 800 visual = vinfo.visual; | |
| 801 } | |
| 802 else | |
| 803 { | |
| 771 | 804 stderr_out ("Can't match the requested visual %s... " |
| 805 "using defaults\n", str); | |
| 428 | 806 } |
| 807 } | |
| 808 } | |
| 809 else | |
| 810 { | |
| 771 | 811 stderr_out ("Invalid Visual specification in %s... " |
| 812 "ignoring.\n", str); | |
| 428 | 813 } |
| 814 } | |
| 815 if (visual == NULL) | |
| 816 { | |
| 817 /* | |
| 818 visual = DefaultVisual(dpy, screen); | |
| 819 depth = DefaultDepth(dpy, screen); | |
| 820 */ | |
| 821 visual = x_try_best_visual (dpy, screen); | |
| 822 depth = x_get_visual_depth (dpy, visual); | |
| 823 best_visual_found = (visual != DefaultVisual (dpy, screen)); | |
| 824 } | |
| 825 | |
| 826 /* If we've got the same visual as the default and it's PseudoColor, | |
| 827 check to see if the user specified that we need a private colormap */ | |
| 828 if (visual == DefaultVisual (dpy, screen)) | |
| 829 { | |
| 830 sprintf (buf1, "%s.privateColormap", app_name); | |
| 831 sprintf (buf2, "%s.PrivateColormap", app_class); | |
| 1204 | 832 if ((visual->X_CLASSFIELD == PseudoColor) && |
| 771 | 833 (XrmGetResource (XtDatabase (dpy), buf1, buf2, &type, &value) |
| 834 == True)) | |
| 835 cmap = XCopyColormapAndFree (dpy, DefaultColormap (dpy, screen)); | |
| 428 | 836 else |
| 771 | 837 cmap = DefaultColormap (dpy, screen); |
| 428 | 838 } |
| 839 else | |
| 840 { | |
| 841 if ( best_visual_found ) | |
| 771 | 842 cmap = XCreateColormap (dpy, RootWindow (dpy, screen), visual, |
| 843 AllocNone); | |
| 428 | 844 else |
| 845 { | |
| 771 | 846 /* We have to create a matching colormap anyway... #### |
| 847 think about using standard colormaps (need the Xmu | |
| 848 libs?) */ | |
| 849 cmap = XCreateColormap (dpy, RootWindow (dpy, screen), visual, | |
| 850 AllocNone); | |
| 851 XInstallColormap (dpy, cmap); | |
| 428 | 852 } |
| 853 } | |
| 854 } | |
| 855 | |
| 856 DEVICE_X_VISUAL (d) = visual; | |
| 857 DEVICE_X_COLORMAP (d) = cmap; | |
| 858 DEVICE_X_DEPTH (d) = depth; | |
| 859 validify_resource_component ((char *) XSTRING_DATA (DEVICE_NAME (d)), | |
| 860 XSTRING_LENGTH (DEVICE_NAME (d))); | |
| 861 | |
| 2007 | 862 /* #### If we're going to implement X session management, this would |
| 863 be the place. Make sure it doesn't conflict with GNOME. */ | |
| 428 | 864 { |
| 865 Arg al[3]; | |
|
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866 Xt_SET_ARG (al[0], XtNvisual, visual); |
|
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867 Xt_SET_ARG (al[1], XtNdepth, depth); |
|
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|
868 Xt_SET_ARG (al[2], XtNcolormap, cmap); |
| 428 | 869 |
| 870 app_shell = XtAppCreateShell (NULL, app_class, | |
| 871 applicationShellWidgetClass, | |
| 872 dpy, al, countof (al)); | |
| 873 } | |
| 874 | |
| 875 DEVICE_XT_APP_SHELL (d) = app_shell; | |
| 876 | |
| 877 #ifdef HAVE_XIM | |
| 878 XIM_init_device(d); | |
| 879 #endif /* HAVE_XIM */ | |
| 880 | |
| 881 /* Realize the app_shell so that its window exists for GC creation purposes, | |
| 882 and set it to the size of the root window for child placement purposes */ | |
| 883 { | |
| 884 Arg al[5]; | |
|
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885 Xt_SET_ARG (al[0], XtNmappedWhenManaged, False); |
|
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886 Xt_SET_ARG (al[1], XtNx, 0); |
|
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|
887 Xt_SET_ARG (al[2], XtNy, 0); |
|
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888 Xt_SET_ARG (al[3], XtNwidth, |
|
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889 WidthOfScreen (ScreenOfDisplay (dpy, screen))); |
|
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890 Xt_SET_ARG (al[4], XtNheight, |
|
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|
891 HeightOfScreen (ScreenOfDisplay (dpy, screen))); |
| 428 | 892 XtSetValues (app_shell, al, countof (al)); |
| 893 XtRealizeWidget (app_shell); | |
| 894 } | |
| 895 | |
| 896 #ifdef HAVE_WMCOMMAND | |
| 897 { | |
| 898 int new_argc; | |
| 442 | 899 Extbyte **new_argv; |
| 428 | 900 make_argc_argv (Vcommand_line_args, &new_argc, &new_argv); |
| 442 | 901 XSetCommand (XtDisplay (app_shell), XtWindow (app_shell), |
| 902 (char **) new_argv, new_argc); | |
| 428 | 903 free_argc_argv (new_argv); |
| 904 } | |
| 905 #endif /* HAVE_WMCOMMAND */ | |
| 906 | |
| 907 Vx_initial_argv_list = make_arg_list (argc, argv); | |
| 908 free_argc_argv (argv); | |
| 909 | |
| 910 DEVICE_X_WM_COMMAND_FRAME (d) = Qnil; | |
| 911 | |
| 912 sanity_check_geometry_resource (dpy); | |
| 913 | |
| 914 /* In event-Xt.c */ | |
| 915 x_init_modifier_mapping (d); | |
| 916 | |
| 917 DEVICE_INFD (d) = DEVICE_OUTFD (d) = ConnectionNumber (dpy); | |
| 918 init_baud_rate (d); | |
| 919 init_one_device (d); | |
| 920 | |
| 771 | 921 DEVICE_X_GC_CACHE (d) = make_gc_cache (dpy, XtWindow (app_shell)); |
| 428 | 922 DEVICE_X_GRAY_PIXMAP (d) = None; |
| 923 Xatoms_of_device_x (d); | |
| 440 | 924 Xatoms_of_select_x (d); |
| 428 | 925 Xatoms_of_objects_x (d); |
| 926 x_init_device_class (d); | |
| 927 } | |
| 928 | |
| 929 static void | |
|
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930 x_finish_init_device (struct device *d, Lisp_Object UNUSED (props)) |
| 428 | 931 { |
|
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|
932 call1 (Qmake_device_late_x_entry_point, wrap_device (d)); |
| 428 | 933 } |
| 934 | |
| 935 static void | |
| 936 x_mark_device (struct device *d) | |
| 937 { | |
| 938 mark_object (DEVICE_X_WM_COMMAND_FRAME (d)); | |
| 939 mark_object (DEVICE_X_DATA (d)->x_keysym_map_hash_table); | |
| 940 } | |
| 941 | |
| 942 | |
| 943 /************************************************************************/ | |
| 944 /* closing an X connection */ | |
| 945 /************************************************************************/ | |
| 946 | |
| 4117 | 947 #ifndef NEW_GC |
| 428 | 948 static void |
| 949 free_x_device_struct (struct device *d) | |
| 950 { | |
|
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changeset
|
951 xfree (d->device_data); |
| 4117 | 952 } |
| 3092 | 953 #endif /* not NEW_GC */ |
| 428 | 954 |
| 955 static void | |
| 956 x_delete_device (struct device *d) | |
| 957 { | |
| 958 Display *display; | |
| 959 #ifdef FREE_CHECKING | |
| 960 extern void (*__free_hook) (void *); | |
| 961 int checking_free; | |
| 962 #endif | |
| 963 | |
| 964 display = DEVICE_X_DISPLAY (d); | |
| 965 | |
| 966 if (display) | |
| 967 { | |
| 968 #ifdef FREE_CHECKING | |
| 969 checking_free = (__free_hook != 0); | |
| 970 | |
| 971 /* Disable strict free checking, to avoid bug in X library */ | |
| 972 if (checking_free) | |
| 973 disable_strict_free_check (); | |
| 974 #endif | |
| 975 | |
| 976 free_gc_cache (DEVICE_X_GC_CACHE (d)); | |
| 977 if (DEVICE_X_DATA (d)->x_modifier_keymap) | |
| 978 XFreeModifiermap (DEVICE_X_DATA (d)->x_modifier_keymap); | |
| 979 if (DEVICE_X_DATA (d)->x_keysym_map) | |
| 980 XFree ((char *) DEVICE_X_DATA (d)->x_keysym_map); | |
| 981 | |
| 982 if (DEVICE_XT_APP_SHELL (d)) | |
| 983 { | |
| 984 XtDestroyWidget (DEVICE_XT_APP_SHELL (d)); | |
| 985 DEVICE_XT_APP_SHELL (d) = NULL; | |
| 986 } | |
| 987 | |
| 988 XtCloseDisplay (display); | |
| 989 DEVICE_X_DISPLAY (d) = 0; | |
| 990 #ifdef FREE_CHECKING | |
| 991 if (checking_free) | |
| 992 enable_strict_free_check (); | |
| 993 #endif | |
| 994 } | |
| 995 | |
| 4117 | 996 #ifndef NEW_GC |
| 428 | 997 free_x_device_struct (d); |
| 4117 | 998 #endif /* not NEW_GC */ |
| 428 | 999 } |
| 1000 | |
| 1001 | |
| 1002 /************************************************************************/ | |
| 1003 /* handle X errors */ | |
| 1004 /************************************************************************/ | |
| 1005 | |
|
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|
1006 const Ascbyte * |
| 428 | 1007 x_event_name (int event_type) |
| 1008 { | |
|
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1009 static const Ascbyte *events[] = |
| 428 | 1010 { |
| 1011 "0: ERROR!", | |
| 1012 "1: REPLY", | |
| 1013 "KeyPress", | |
| 1014 "KeyRelease", | |
| 1015 "ButtonPress", | |
| 1016 "ButtonRelease", | |
| 1017 "MotionNotify", | |
| 1018 "EnterNotify", | |
| 1019 "LeaveNotify", | |
| 1020 "FocusIn", | |
| 1021 "FocusOut", | |
| 1022 "KeymapNotify", | |
| 1023 "Expose", | |
| 1024 "GraphicsExpose", | |
| 1025 "NoExpose", | |
| 1026 "VisibilityNotify", | |
| 1027 "CreateNotify", | |
| 1028 "DestroyNotify", | |
| 1029 "UnmapNotify", | |
| 1030 "MapNotify", | |
| 1031 "MapRequest", | |
| 1032 "ReparentNotify", | |
| 1033 "ConfigureNotify", | |
| 1034 "ConfigureRequest", | |
| 1035 "GravityNotify", | |
| 1036 "ResizeRequest", | |
| 1037 "CirculateNotify", | |
| 1038 "CirculateRequest", | |
| 1039 "PropertyNotify", | |
| 1040 "SelectionClear", | |
| 1041 "SelectionRequest", | |
| 1042 "SelectionNotify", | |
| 1043 "ColormapNotify", | |
| 1044 "ClientMessage", | |
| 1045 "MappingNotify", | |
| 1046 "LASTEvent" | |
| 1047 }; | |
| 1048 | |
| 1049 if (event_type < 0 || event_type >= countof (events)) | |
| 1050 return NULL; | |
| 1051 return events [event_type]; | |
| 1052 } | |
| 1053 | |
| 1054 /* Handling errors. | |
| 1055 | |
| 1056 If an X error occurs which we are not expecting, we have no alternative | |
| 1057 but to print it to stderr. It would be nice to stuff it into a pop-up | |
| 1058 buffer, or to print it in the minibuffer, but that's not possible, because | |
| 1059 one is not allowed to do any I/O on the display connection from an error | |
| 1060 handler. The guts of Xlib expect these functions to either return or exit. | |
| 1061 | |
| 1062 However, there are occasions when we might expect an error to reasonably | |
| 1063 occur. The interface to this is as follows: | |
| 1064 | |
| 1065 Before calling some X routine which may error, call | |
| 1066 expect_x_error (dpy); | |
| 1067 | |
| 1068 Just after calling the X routine, call either: | |
| 1069 | |
| 1070 x_error_occurred_p (dpy); | |
| 1071 | |
| 1072 to ask whether an error happened (and was ignored), or: | |
| 1073 | |
| 1074 signal_if_x_error (dpy, resumable_p); | |
| 1075 | |
| 1076 which will call Fsignal() with args appropriate to the X error, if there | |
| 1077 was one. (Resumable_p is whether the debugger should be allowed to | |
| 1078 continue from the call to signal.) | |
| 1079 | |
| 1080 You must call one of these two routines immediately after calling the X | |
| 1081 routine; think of them as bookends like BLOCK_INPUT and UNBLOCK_INPUT. | |
| 1082 */ | |
| 1083 | |
| 1084 static int error_expected; | |
| 1085 static int error_occurred; | |
| 1086 static XErrorEvent last_error; | |
| 1087 | |
| 1088 /* OVERKILL! */ | |
| 1089 | |
| 1090 #ifdef EXTERNAL_WIDGET | |
| 1091 static Lisp_Object | |
| 1092 x_error_handler_do_enqueue (Lisp_Object frame) | |
| 1093 { | |
| 1094 enqueue_magic_eval_event (io_error_delete_frame, frame); | |
| 1095 return Qt; | |
| 1096 } | |
| 1097 | |
| 1098 static Lisp_Object | |
| 2333 | 1099 x_error_handler_error (Lisp_Object UNUSED (data), Lisp_Object UNUSED (dummy)) |
| 428 | 1100 { |
| 1101 return Qnil; | |
| 1102 } | |
| 1103 #endif /* EXTERNAL_WIDGET */ | |
| 1104 | |
| 1105 int | |
| 1106 x_error_handler (Display *disp, XErrorEvent *event) | |
| 1107 { | |
| 1108 if (error_expected) | |
| 1109 { | |
| 1110 error_expected = 0; | |
| 1111 error_occurred = 1; | |
| 1112 last_error = *event; | |
| 1113 } | |
| 1114 else | |
| 1115 { | |
| 853 | 1116 int depth; |
| 1117 | |
| 428 | 1118 #ifdef EXTERNAL_WIDGET |
| 1119 struct frame *f; | |
| 1120 struct device *d = get_device_from_display (disp); | |
| 1121 | |
| 1122 if ((event->error_code == BadWindow || | |
| 1123 event->error_code == BadDrawable) | |
| 1124 && ((f = x_any_window_to_frame (d, event->resourceid)) != 0)) | |
| 1125 { | |
| 1126 Lisp_Object frame; | |
| 1127 | |
| 1128 /* one of the windows comprising one of our frames has died. | |
| 1129 This occurs particularly with ExternalShell frames when the | |
| 1130 client that owns the ExternalShell's window dies. | |
| 1131 | |
| 1132 We cannot do any I/O on the display connection so we need | |
| 1133 to enqueue an eval event so that the deletion happens | |
| 1134 later. | |
| 1135 | |
| 1136 Furthermore, we need to trap any errors (out-of-memory) that | |
| 1137 may occur when Fenqueue_eval_event is called. | |
| 1138 */ | |
| 1139 | |
| 1140 if (f->being_deleted) | |
| 1141 return 0; | |
| 793 | 1142 frame = wrap_frame (f); |
| 428 | 1143 if (!NILP (condition_case_1 (Qerror, x_error_handler_do_enqueue, |
| 1144 frame, x_error_handler_error, Qnil))) | |
| 1145 { | |
| 1146 f->being_deleted = 1; | |
| 1147 f->visible = 0; | |
| 1148 } | |
| 1149 return 0; | |
| 1150 } | |
| 1151 #endif /* EXTERNAL_WIDGET */ | |
| 1152 | |
| 853 | 1153 /* #### this should issue a warning instead of outputting to stderr */ |
| 1154 depth = begin_dont_check_for_quit (); | |
| 2007 | 1155 #if 0 |
| 1156 /* This ends up calling X, which isn't allowed in an X error handler | |
| 1157 */ | |
| 428 | 1158 stderr_out ("\n%s: ", |
| 1159 (STRINGP (Vinvocation_name) | |
| 1160 ? (char *) XSTRING_DATA (Vinvocation_name) | |
| 1161 : "xemacs")); | |
| 2007 | 1162 #endif |
| 428 | 1163 XmuPrintDefaultErrorMessage (disp, event, stderr); |
| 853 | 1164 unbind_to (depth); |
| 428 | 1165 } |
| 1166 return 0; | |
| 1167 } | |
| 1168 | |
| 1169 void | |
| 1170 expect_x_error (Display *dpy) | |
| 1171 { | |
| 1172 assert (!error_expected); | |
| 1173 XSync (dpy, 0); /* handle pending errors before setting flag */ | |
| 1174 error_expected = 1; | |
| 1175 error_occurred = 0; | |
| 1176 } | |
| 1177 | |
| 1178 int | |
| 1179 x_error_occurred_p (Display *dpy) | |
| 1180 { | |
| 1181 int val; | |
| 1182 XSync (dpy, 0); /* handle pending errors before setting flag */ | |
| 1183 val = error_occurred; | |
| 1184 error_expected = 0; | |
| 1185 error_occurred = 0; | |
| 1186 return val; | |
| 1187 } | |
| 1188 | |
| 1189 int | |
| 1190 signal_if_x_error (Display *dpy, int resumable_p) | |
| 1191 { | |
| 771 | 1192 Extbyte buf[1024]; |
| 867 | 1193 Ibyte num[100]; |
| 428 | 1194 Lisp_Object data; |
| 1195 if (! x_error_occurred_p (dpy)) | |
| 1196 return 0; | |
| 1197 data = Qnil; | |
| 771 | 1198 qxesprintf (num, "0x%X", (unsigned int) last_error.resourceid); |
|
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diff
changeset
|
1199 data = Fcons (build_istring (num), data); |
| 771 | 1200 qxesprintf (num, "%d", last_error.request_code); |
| 1201 XGetErrorDatabaseText (last_error.display, "XRequest", (char *) num, "", | |
| 1202 buf, sizeof (buf)); | |
| 1203 if (*buf) | |
|
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diff
changeset
|
1204 data = Fcons (build_extstring (buf, Qx_error_message_encoding), data); |
| 771 | 1205 else |
| 1206 { | |
| 1207 qxesprintf (num, "Request-%d", last_error.request_code); | |
|
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diff
changeset
|
1208 data = Fcons (build_istring (num), data); |
| 771 | 1209 } |
| 428 | 1210 XGetErrorText (last_error.display, last_error.error_code, buf, sizeof (buf)); |
|
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|
1211 data = Fcons (build_extstring (buf, Qx_error_message_encoding), data); |
| 428 | 1212 again: |
| 1213 Fsignal (Qx_error, data); | |
| 1214 if (! resumable_p) goto again; | |
| 1215 return 1; | |
| 1216 } | |
| 1217 | |
| 1218 int | |
| 1219 x_IO_error_handler (Display *disp) | |
| 1220 { | |
| 1221 /* This function can GC */ | |
| 1222 Lisp_Object dev; | |
| 1223 struct device *d = get_device_from_display_1 (disp); | |
| 1224 | |
| 756 | 1225 if (!d) |
| 1226 d = device_being_initialized; | |
| 1227 | |
| 428 | 1228 assert (d != NULL); |
| 793 | 1229 dev = wrap_device (d); |
| 428 | 1230 |
| 1231 if (NILP (find_nonminibuffer_frame_not_on_device (dev))) | |
| 1232 { | |
| 853 | 1233 int depth = begin_dont_check_for_quit (); |
| 428 | 1234 /* We're going down. */ |
| 867 | 1235 Ibyte *errmess; |
| 771 | 1236 GET_STRERROR (errmess, errno); |
| 1237 stderr_out ("\n%s: Fatal I/O Error %d (%s) on display " | |
| 1238 "connection \"%s\"\n", | |
| 1239 (STRINGP (Vinvocation_name) ? | |
| 1240 (char *) XSTRING_DATA (Vinvocation_name) : "xemacs"), | |
| 1241 errno, errmess, DisplayString (disp)); | |
| 1242 stderr_out (" after %lu requests (%lu known processed) with %d " | |
| 1243 "events remaining.\n", | |
| 1244 NextRequest (disp) - 1, LastKnownRequestProcessed (disp), | |
| 1245 QLength (disp)); | |
| 428 | 1246 /* assert (!_Xdebug); */ |
| 853 | 1247 unbind_to (depth); |
| 428 | 1248 } |
| 1249 else | |
| 1250 { | |
| 867 | 1251 Ibyte *errmess; |
| 771 | 1252 GET_STRERROR (errmess, errno); |
| 428 | 1253 warn_when_safe |
| 1254 (Qx, Qcritical, | |
| 1255 "I/O Error %d (%s) on display connection\n" | |
| 2116 | 1256 " \"%s\" after %lu requests (%lu known processed)\n" |
| 428 | 1257 " with %d events remaining.\n" |
| 1258 " Throwing to top level.\n", | |
| 771 | 1259 errno, errmess, DisplayString (disp), |
| 428 | 1260 NextRequest (disp) - 1, LastKnownRequestProcessed (disp), |
| 1261 QLength (disp)); | |
| 1262 } | |
| 1263 | |
| 1264 /* According to X specs, we should not return from this function, or | |
| 1265 Xlib might just decide to exit(). So we mark the offending | |
| 1266 console for deletion and throw to top level. */ | |
| 1267 if (d) | |
| 3466 | 1268 { |
| 1269 enqueue_magic_eval_event (io_error_delete_device, dev); | |
| 1270 DEVICE_X_BEING_DELETED (d) = 1; | |
| 1271 } | |
|
4677
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|
1272 |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4548
diff
changeset
|
1273 throw_or_bomb_out (Qtop_level, Qnil, 0, Qnil, Qnil); |
| 428 | 1274 |
| 2268 | 1275 RETURN_NOT_REACHED (0); |
| 428 | 1276 } |
| 1277 | |
| 1278 DEFUN ("x-debug-mode", Fx_debug_mode, 1, 2, 0, /* | |
| 1279 With a true arg, make the connection to the X server synchronous. | |
| 1280 With false, make it asynchronous. Synchronous connections are much slower, | |
| 1281 but are useful for debugging. (If you get X errors, make the connection | |
| 1282 synchronous, and use a debugger to set a breakpoint on `x_error_handler'. | |
| 1283 Your backtrace of the C stack will now be useful. In asynchronous mode, | |
| 1284 the stack above `x_error_handler' isn't helpful because of buffering.) | |
| 1285 If DEVICE is not specified, the selected device is assumed. | |
| 1286 | |
| 1287 Calling this function is the same as calling the C function `XSynchronize', | |
| 1288 or starting the program with the `-sync' command line argument. | |
| 1289 */ | |
| 1290 (arg, device)) | |
| 1291 { | |
| 1292 struct device *d = decode_x_device (device); | |
| 1293 | |
| 1294 XSynchronize (DEVICE_X_DISPLAY (d), !NILP (arg)); | |
| 1295 | |
| 1296 if (!NILP (arg)) | |
| 1297 message ("X connection is synchronous"); | |
| 1298 else | |
| 1299 message ("X connection is asynchronous"); | |
| 1300 | |
| 1301 return arg; | |
| 1302 } | |
| 1303 | |
| 1304 | |
| 1305 /************************************************************************/ | |
| 1306 /* X resources */ | |
| 1307 /************************************************************************/ | |
| 1308 | |
| 1309 #if 0 /* bah humbug. The whole "widget == resource" stuff is such | |
| 1310 a crock of shit that I'm just going to ignore it all. */ | |
| 1311 | |
| 1312 /* If widget is NULL, we are retrieving device or global face data. */ | |
| 1313 | |
| 1314 static void | |
| 1315 construct_name_list (Display *display, Widget widget, char *fake_name, | |
| 1204 | 1316 char *fake_class, char *name, char *class_) |
| 428 | 1317 { |
| 1318 char *stack [100][2]; | |
| 2552 | 1319 Widget this_widget; |
| 428 | 1320 int count = 0; |
| 1321 char *name_tail, *class_tail; | |
| 1322 | |
| 1323 if (widget) | |
| 1324 { | |
| 2552 | 1325 for (this_widget = widget; this_widget; |
| 1326 this_widget = XtParent (this_widget)) | |
| 428 | 1327 { |
| 2552 | 1328 stack [count][0] = this_widget->core.name; |
| 1329 stack [count][1] = XtClass (this_widget)->core_class.class_name; | |
| 428 | 1330 count++; |
| 1331 } | |
| 1332 count--; | |
| 1333 } | |
| 1334 else if (fake_name && fake_class) | |
| 1335 { | |
| 1336 stack [count][0] = fake_name; | |
| 1337 stack [count][1] = fake_class; | |
| 1338 count++; | |
| 1339 } | |
| 1340 | |
| 1341 /* The root widget is an application shell; resource lookups use the | |
| 1342 specified application name and application class in preference to | |
| 1343 the name/class of that widget (which is argv[0] / "ApplicationShell"). | |
| 1344 Generally the app name and class will be argv[0] / "Emacs" but | |
| 1345 the former can be set via the -name command-line option, and the | |
| 1346 latter can be set by changing `x-emacs-application-class' in | |
| 1347 lisp/term/x-win.el. | |
| 1348 */ | |
| 1349 XtGetApplicationNameAndClass (display, | |
| 1350 &stack [count][0], | |
| 1351 &stack [count][1]); | |
| 1352 | |
| 1353 name [0] = 0; | |
| 1204 | 1354 class_ [0] = 0; |
| 428 | 1355 |
| 1356 name_tail = name; | |
| 1204 | 1357 class_tail = class_; |
| 428 | 1358 for (; count >= 0; count--) |
| 1359 { | |
| 1360 strcat (name_tail, stack [count][0]); | |
| 1361 for (; *name_tail; name_tail++) | |
| 1362 if (*name_tail == '.') *name_tail = '_'; | |
| 1363 strcat (name_tail, "."); | |
| 1364 name_tail++; | |
| 1365 | |
| 1366 strcat (class_tail, stack [count][1]); | |
| 1367 for (; *class_tail; class_tail++) | |
| 1368 if (*class_tail == '.') *class_tail = '_'; | |
| 1369 strcat (class_tail, "."); | |
| 1370 class_tail++; | |
| 1371 } | |
| 1372 } | |
| 1373 | |
| 1374 #endif /* 0 */ | |
| 1375 | |
| 771 | 1376 static Extbyte_dynarr *name_Extbyte_dynarr; |
| 1377 static Extbyte_dynarr *class_Extbyte_dynarr; | |
| 428 | 1378 |
| 1379 /* Given a locale and device specification from x-get-resource or | |
| 1380 x-get-resource-prefix, return the resource prefix and display to | |
| 1381 fetch the resource on. */ | |
| 1382 | |
| 1383 static void | |
| 1384 x_get_resource_prefix (Lisp_Object locale, Lisp_Object device, | |
| 771 | 1385 Display **display_out, Extbyte_dynarr *name, |
| 1204 | 1386 Extbyte_dynarr *class_) |
| 428 | 1387 { |
| 1388 if (NILP (locale)) | |
| 1389 locale = Qglobal; | |
| 1390 if (NILP (Fvalid_specifier_locale_p (locale))) | |
| 563 | 1391 invalid_argument ("Invalid locale", locale); |
| 428 | 1392 if (WINDOWP (locale)) |
| 1393 /* #### I can't come up with any coherent way of naming windows. | |
| 1394 By relative position? That seems tricky because windows | |
| 1395 can change position, be split, etc. By order of creation? | |
| 1396 That seems less than useful. */ | |
| 563 | 1397 signal_error (Qunimplemented, |
| 1398 "Windows currently can't be resourced", locale); | |
| 428 | 1399 |
| 1400 if (!NILP (device) && !DEVICEP (device)) | |
| 1401 CHECK_DEVICE (device); | |
| 1402 if (DEVICEP (device) && !DEVICE_X_P (XDEVICE (device))) | |
| 1403 device = Qnil; | |
| 1404 if (NILP (device)) | |
| 1405 { | |
| 1406 device = DFW_DEVICE (locale); | |
| 1407 if (DEVICEP (device) && !DEVICE_X_P (XDEVICE (device))) | |
| 1408 device = Qnil; | |
| 1409 if (NILP (device)) | |
| 872 | 1410 device = get_default_device (Qx); |
| 428 | 1411 if (NILP (device)) |
| 1412 { | |
| 1413 *display_out = 0; | |
| 1414 return; | |
| 1415 } | |
| 1416 } | |
| 1417 | |
| 1418 *display_out = DEVICE_X_DISPLAY (XDEVICE (device)); | |
| 1419 | |
| 1420 { | |
| 771 | 1421 Extbyte *appname, *appclass; |
| 428 | 1422 int name_len, class_len; |
| 1423 XtGetApplicationNameAndClass (*display_out, &appname, &appclass); | |
| 1424 name_len = strlen (appname); | |
| 1425 class_len = strlen (appclass); | |
| 771 | 1426 Dynarr_add_many (name, appname, name_len); |
| 1204 | 1427 Dynarr_add_many (class_, appclass, class_len); |
| 4967 | 1428 validify_resource_component (Dynarr_begin (name), name_len); |
| 1429 validify_resource_component (Dynarr_begin (class_), class_len); | |
| 428 | 1430 } |
| 1431 | |
| 1432 if (EQ (locale, Qglobal)) | |
| 1433 return; | |
| 1434 if (BUFFERP (locale)) | |
| 1435 { | |
| 1436 Dynarr_add_literal_string (name, ".buffer."); | |
| 1437 /* we know buffer is live; otherwise we got an error above. */ | |
| 1438 Dynarr_add_validified_lisp_string (name, Fbuffer_name (locale)); | |
| 1204 | 1439 Dynarr_add_literal_string (class_, ".EmacsLocaleType.EmacsBuffer"); |
| 428 | 1440 } |
| 1441 else if (FRAMEP (locale)) | |
| 1442 { | |
| 1443 Dynarr_add_literal_string (name, ".frame."); | |
| 1444 /* we know frame is live; otherwise we got an error above. */ | |
| 1445 Dynarr_add_validified_lisp_string (name, Fframe_name (locale)); | |
| 1204 | 1446 Dynarr_add_literal_string (class_, ".EmacsLocaleType.EmacsFrame"); |
| 428 | 1447 } |
| 1448 else | |
| 1449 { | |
| 1450 assert (DEVICEP (locale)); | |
| 1451 Dynarr_add_literal_string (name, ".device."); | |
| 1452 /* we know device is live; otherwise we got an error above. */ | |
| 1453 Dynarr_add_validified_lisp_string (name, Fdevice_name (locale)); | |
| 1204 | 1454 Dynarr_add_literal_string (class_, ".EmacsLocaleType.EmacsDevice"); |
| 428 | 1455 } |
| 1456 return; | |
| 1457 } | |
| 1458 | |
| 1459 DEFUN ("x-get-resource", Fx_get_resource, 3, 6, 0, /* | |
| 1460 Retrieve an X resource from the resource manager. | |
| 1461 | |
| 1462 The first arg is the name of the resource to retrieve, such as "font". | |
| 1463 The second arg is the class of the resource to retrieve, such as "Font". | |
| 3025 | 1464 The third arg must be one of the symbols `string', `integer', `natnum', or |
| 1465 `boolean', specifying the type of object that the database is searched for. | |
| 428 | 1466 The fourth arg is the locale to search for the resources on, and can |
| 3025 | 1467 currently be a buffer, a frame, a device, or `global'. If omitted, it |
| 1468 defaults to `global'. | |
| 428 | 1469 The fifth arg is the device to search for the resources on. (The resource |
| 1470 database for a particular device is constructed by combining non-device- | |
| 1471 specific resources such as any command-line resources specified and any | |
| 1472 app-defaults files found [or the fallback resources supplied by XEmacs, | |
| 1473 if no app-defaults file is found] with device-specific resources such as | |
| 1474 those supplied using xrdb.) If omitted, it defaults to the device of | |
| 1475 LOCALE, if a device can be derived (i.e. if LOCALE is a frame or device), | |
| 1476 and otherwise defaults to the value of `default-x-device'. | |
| 1477 The sixth arg NOERROR, if non-nil, means do not signal an error if a | |
| 1478 bogus resource specification was retrieved (e.g. if a non-integer was | |
| 1479 given when an integer was requested). In this case, a warning is issued | |
| 442 | 1480 instead, unless NOERROR is t, in which case no warning is issued. |
| 428 | 1481 |
| 1482 The resource names passed to this function are looked up relative to the | |
| 1483 locale. | |
| 1484 | |
| 1485 If you want to search for a subresource, you just need to specify the | |
| 1486 resource levels in NAME and CLASS. For example, NAME could be | |
| 1487 "modeline.attributeFont", and CLASS "Face.AttributeFont". | |
| 1488 | |
| 1489 Specifically, | |
| 1490 | |
| 1491 1) If LOCALE is a buffer, a call | |
| 1492 | |
| 1493 (x-get-resource "foreground" "Foreground" 'string SOME-BUFFER) | |
| 1494 | |
| 1495 is an interface to a C call something like | |
| 1496 | |
| 1497 XrmGetResource (db, "xemacs.buffer.BUFFER-NAME.foreground", | |
| 1498 "Emacs.EmacsLocaleType.EmacsBuffer.Foreground", | |
| 1499 "String"); | |
| 1500 | |
| 1501 2) If LOCALE is a frame, a call | |
| 1502 | |
| 1503 (x-get-resource "foreground" "Foreground" 'string SOME-FRAME) | |
| 1504 | |
| 1505 is an interface to a C call something like | |
| 1506 | |
| 1507 XrmGetResource (db, "xemacs.frame.FRAME-NAME.foreground", | |
| 1508 "Emacs.EmacsLocaleType.EmacsFrame.Foreground", | |
| 1509 "String"); | |
| 1510 | |
| 1511 3) If LOCALE is a device, a call | |
| 1512 | |
| 1513 (x-get-resource "foreground" "Foreground" 'string SOME-DEVICE) | |
| 1514 | |
| 1515 is an interface to a C call something like | |
| 1516 | |
| 1517 XrmGetResource (db, "xemacs.device.DEVICE-NAME.foreground", | |
| 1518 "Emacs.EmacsLocaleType.EmacsDevice.Foreground", | |
| 1519 "String"); | |
| 1520 | |
| 3025 | 1521 4) If LOCALE is `global', a call |
| 428 | 1522 |
| 1523 (x-get-resource "foreground" "Foreground" 'string 'global) | |
| 1524 | |
| 1525 is an interface to a C call something like | |
| 1526 | |
| 1527 XrmGetResource (db, "xemacs.foreground", | |
| 1528 "Emacs.Foreground", | |
| 1529 "String"); | |
| 1530 | |
| 3025 | 1531 Note that for `global', no prefix is added other than that of the |
| 428 | 1532 application itself; thus, you can use this locale to retrieve |
| 1533 arbitrary application resources, if you really want to. | |
| 1534 | |
| 1535 The returned value of this function is nil if the queried resource is not | |
| 1536 found. If the third arg is `string', a string is returned, and if it is | |
| 1537 `integer', an integer is returned. If the third arg is `boolean', then the | |
| 1538 returned value is the list (t) for true, (nil) for false, and is nil to | |
| 430 | 1539 mean ``unspecified''. |
| 428 | 1540 */ |
| 1204 | 1541 (name, class_, type, locale, device, noerror)) |
| 428 | 1542 { |
| 771 | 1543 Extbyte *name_string, *class_string; |
| 1544 Extbyte *raw_result; | |
| 428 | 1545 XrmDatabase db; |
| 1546 Display *display; | |
| 578 | 1547 Error_Behavior errb = decode_error_behavior_flag (noerror); |
| 771 | 1548 Lisp_Object codesys; |
| 428 | 1549 |
| 1550 CHECK_STRING (name); | |
| 1204 | 1551 CHECK_STRING (class_); |
| 428 | 1552 CHECK_SYMBOL (type); |
| 1553 | |
| 771 | 1554 Dynarr_reset (name_Extbyte_dynarr); |
| 1555 Dynarr_reset (class_Extbyte_dynarr); | |
| 428 | 1556 |
| 1557 x_get_resource_prefix (locale, device, &display, | |
| 771 | 1558 name_Extbyte_dynarr, class_Extbyte_dynarr); |
| 428 | 1559 if (!display) |
| 1560 return Qnil; | |
| 1561 | |
| 1562 db = XtDatabase (display); | |
| 771 | 1563 codesys = coding_system_of_xrm_database (db); |
| 1564 Dynarr_add (name_Extbyte_dynarr, '.'); | |
| 5038 | 1565 Dynarr_add_ext_lisp_string (name_Extbyte_dynarr, name, Qbinary); |
| 771 | 1566 Dynarr_add (class_Extbyte_dynarr, '.'); |
| 5038 | 1567 Dynarr_add_ext_lisp_string (class_Extbyte_dynarr, class_, Qbinary); |
| 771 | 1568 Dynarr_add (name_Extbyte_dynarr, '\0'); |
| 1569 Dynarr_add (class_Extbyte_dynarr, '\0'); | |
| 428 | 1570 |
| 4967 | 1571 name_string = Dynarr_begin (name_Extbyte_dynarr); |
| 1572 class_string = Dynarr_begin (class_Extbyte_dynarr); | |
| 428 | 1573 |
| 1574 { | |
| 1575 XrmValue xrm_value; | |
| 1576 XrmName namelist[100]; | |
| 1577 XrmClass classlist[100]; | |
| 1578 XrmName *namerest = namelist; | |
| 1579 XrmClass *classrest = classlist; | |
| 1580 XrmRepresentation xrm_type; | |
| 1581 XrmRepresentation string_quark; | |
| 1582 int result; | |
| 1583 XrmStringToNameList (name_string, namelist); | |
| 1584 XrmStringToClassList (class_string, classlist); | |
| 1585 string_quark = XrmStringToQuark ("String"); | |
| 1586 | |
| 1587 /* ensure that they have the same length */ | |
| 1588 while (namerest[0] && classrest[0]) | |
| 1589 namerest++, classrest++; | |
| 1590 if (namerest[0] || classrest[0]) | |
| 563 | 1591 { |
| 1592 maybe_signal_error_2 | |
| 1593 (Qstructure_formation_error, | |
| 1204 | 1594 "class list and name list must be the same length", name, class_, |
| 563 | 1595 Qresource, errb); |
| 1596 return Qnil; | |
| 1597 } | |
| 428 | 1598 result = XrmQGetResource (db, namelist, classlist, &xrm_type, &xrm_value); |
| 1599 | |
| 1600 if (result != True || xrm_type != string_quark) | |
| 1601 return Qnil; | |
| 771 | 1602 raw_result = (Extbyte *) xrm_value.addr; |
| 428 | 1603 } |
| 1604 | |
| 1605 if (EQ (type, Qstring)) | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
1606 return build_extstring (raw_result, codesys); |
| 428 | 1607 else if (EQ (type, Qboolean)) |
| 1608 { | |
| 771 | 1609 if (!strcasecmp (raw_result, "off") || |
| 1610 !strcasecmp (raw_result, "false") || | |
| 1611 !strcasecmp (raw_result, "no")) | |
| 428 | 1612 return Fcons (Qnil, Qnil); |
| 771 | 1613 if (!strcasecmp (raw_result, "on") || |
| 1614 !strcasecmp (raw_result, "true") || | |
| 1615 !strcasecmp (raw_result, "yes")) | |
| 428 | 1616 return Fcons (Qt, Qnil); |
| 563 | 1617 return maybe_signal_continuable_error_2 |
| 1618 (Qinvalid_operation, "Can't convert to a Boolean", | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
1619 build_extstring (name_string, Qbinary), |
|
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
1620 build_extstring (raw_result, codesys), Qresource, |
| 563 | 1621 errb); |
| 428 | 1622 } |
| 1623 else if (EQ (type, Qinteger) || EQ (type, Qnatnum)) | |
| 1624 { | |
| 1625 int i; | |
| 1626 char c; | |
| 1627 if (1 != sscanf (raw_result, "%d%c", &i, &c)) | |
| 563 | 1628 return maybe_signal_continuable_error_2 |
| 1629 (Qinvalid_operation, "Can't convert to an integer", | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
1630 build_extstring (name_string, Qbinary), |
|
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
1631 build_extstring (raw_result, codesys), Qresource, |
| 563 | 1632 errb); |
| 428 | 1633 else if (EQ (type, Qnatnum) && i < 0) |
| 563 | 1634 return maybe_signal_continuable_error_2 |
| 1635 (Qinvalid_argument, "Invalid numerical value for resource", | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
1636 make_int (i), build_extstring (name_string, Qbinary), |
| 771 | 1637 Qresource, errb); |
| 428 | 1638 else |
| 1639 return make_int (i); | |
| 1640 } | |
| 1641 else | |
| 1642 { | |
| 1643 return maybe_signal_continuable_error | |
| 563 | 1644 (Qwrong_type_argument, "Should be string, integer, natnum or boolean", |
| 1645 type, Qresource, errb); | |
| 428 | 1646 } |
| 1647 } | |
| 1648 | |
| 1649 DEFUN ("x-get-resource-prefix", Fx_get_resource_prefix, 1, 2, 0, /* | |
| 1650 Return the resource prefix for LOCALE on DEVICE. | |
| 1651 The resource prefix is the strings used to prefix resources if | |
| 1652 the LOCALE and DEVICE arguments were passed to `x-get-resource'. | |
| 1653 The returned value is a cons of a name prefix and a class prefix. | |
| 1654 For example, if LOCALE is a frame, the returned value might be | |
| 1655 \("xemacs.frame.FRAME-NAME" . "Emacs.EmacsLocaleType.EmacsFrame"). | |
| 1656 If no valid X device for resourcing can be obtained, this function | |
| 1657 returns nil. (In such a case, `x-get-resource' would always return nil.) | |
| 1658 */ | |
| 1659 (locale, device)) | |
| 1660 { | |
| 1661 Display *display; | |
| 1662 | |
| 771 | 1663 Dynarr_reset (name_Extbyte_dynarr ); |
| 1664 Dynarr_reset (class_Extbyte_dynarr); | |
| 428 | 1665 |
| 1666 x_get_resource_prefix (locale, device, &display, | |
| 771 | 1667 name_Extbyte_dynarr, class_Extbyte_dynarr); |
| 428 | 1668 if (!display) |
| 1669 return Qnil; | |
| 1670 | |
| 4967 | 1671 return Fcons (make_string ((Ibyte *) Dynarr_begin (name_Extbyte_dynarr), |
| 771 | 1672 Dynarr_length (name_Extbyte_dynarr)), |
| 4967 | 1673 make_string ((Ibyte *) Dynarr_begin (class_Extbyte_dynarr), |
| 771 | 1674 Dynarr_length (class_Extbyte_dynarr))); |
| 428 | 1675 } |
| 1676 | |
| 1677 DEFUN ("x-put-resource", Fx_put_resource, 1, 2, 0, /* | |
| 1678 Add a resource to the resource database for DEVICE. | |
| 1679 RESOURCE-LINE specifies the resource to add and should be a | |
| 1680 standard resource specification. | |
| 1681 */ | |
| 1682 (resource_line, device)) | |
| 1683 { | |
| 1684 struct device *d = decode_device (device); | |
| 1685 | |
| 1686 if (DEVICE_X_P (d)) | |
| 1687 { | |
| 1688 XrmDatabase db = XtDatabase (DEVICE_X_DISPLAY (d)); | |
| 771 | 1689 Extbyte *str, *colon_pos; |
| 1690 | |
| 1691 CHECK_STRING (resource_line); | |
|
4981
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Cleanups/renaming of EXTERNAL_TO_C_STRING and friends
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4969
diff
changeset
|
1692 str = LISP_STRING_TO_EXTERNAL (resource_line, |
|
4aebb0131297
Cleanups/renaming of EXTERNAL_TO_C_STRING and friends
Ben Wing <ben@xemacs.org>
parents:
4969
diff
changeset
|
1693 coding_system_of_xrm_database (db)); |
| 771 | 1694 if (!(colon_pos = strchr (str, ':')) || strchr (str, '\n')) |
| 1695 invalid: | |
| 1696 syntax_error ("Invalid resource line", resource_line); | |
| 1697 if ((int) | |
| 1698 strspn (str, | |
| 1699 /* Only the following chars are allowed before the colon */ | |
| 1700 " \t.*?abcdefghijklmnopqrstuvwxyz" | |
| 1701 "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-") | |
| 1702 != colon_pos - str) | |
| 1703 goto invalid; | |
| 1704 | |
| 428 | 1705 XrmPutLineResource (&db, str); |
| 1706 } | |
| 1707 | |
| 1708 return Qnil; | |
| 1709 } | |
| 1710 | |
| 1711 | |
| 1712 /************************************************************************/ | |
| 1713 /* display information functions */ | |
| 1714 /************************************************************************/ | |
| 1715 | |
| 1716 DEFUN ("default-x-device", Fdefault_x_device, 0, 0, 0, /* | |
| 1717 Return the default X device for resourcing. | |
| 1718 This is the first-created X device that still exists. | |
| 872 | 1719 See also `default-device'. |
| 428 | 1720 */ |
| 1721 ()) | |
| 1722 { | |
| 872 | 1723 return get_default_device (Qx); |
| 428 | 1724 } |
| 1725 | |
| 1726 DEFUN ("x-display-visual-class", Fx_display_visual_class, 0, 1, 0, /* | |
| 1727 Return the visual class of the X display DEVICE is using. | |
| 1728 This can be altered from the default at startup using the XResource "EmacsVisual". | |
| 1729 The returned value will be one of the symbols `static-gray', `gray-scale', | |
| 1730 `static-color', `pseudo-color', `true-color', or `direct-color'. | |
| 1731 */ | |
| 1732 (device)) | |
| 1733 { | |
| 1734 Visual *vis = DEVICE_X_VISUAL (decode_x_device (device)); | |
| 1204 | 1735 switch (vis->X_CLASSFIELD) |
| 428 | 1736 { |
| 1737 case StaticGray: return intern ("static-gray"); | |
| 1738 case GrayScale: return intern ("gray-scale"); | |
| 1739 case StaticColor: return intern ("static-color"); | |
| 1740 case PseudoColor: return intern ("pseudo-color"); | |
| 1741 case TrueColor: return intern ("true-color"); | |
| 1742 case DirectColor: return intern ("direct-color"); | |
| 1743 default: | |
| 563 | 1744 invalid_state ("display has an unknown visual class", Qunbound); |
| 428 | 1745 return Qnil; /* suppress compiler warning */ |
| 1746 } | |
| 1747 } | |
| 1748 | |
| 1749 DEFUN ("x-display-visual-depth", Fx_display_visual_depth, 0, 1, 0, /* | |
| 1750 Return the bitplane depth of the visual the X display DEVICE is using. | |
| 1751 */ | |
| 1752 (device)) | |
| 1753 { | |
| 1754 return make_int (DEVICE_X_DEPTH (decode_x_device (device))); | |
| 1755 } | |
| 1756 | |
| 1757 static Lisp_Object | |
| 1758 x_device_system_metrics (struct device *d, | |
| 1759 enum device_metrics m) | |
| 1760 { | |
| 1761 Display *dpy = DEVICE_X_DISPLAY (d); | |
| 1762 | |
| 1763 switch (m) | |
| 1764 { | |
| 1765 case DM_size_device: | |
| 1766 return Fcons (make_int (DisplayWidth (dpy, DefaultScreen (dpy))), | |
| 1767 make_int (DisplayHeight (dpy, DefaultScreen (dpy)))); | |
| 1768 case DM_size_device_mm: | |
| 1769 return Fcons (make_int (DisplayWidthMM (dpy, DefaultScreen (dpy))), | |
| 1770 make_int (DisplayHeightMM (dpy, DefaultScreen (dpy)))); | |
| 1771 case DM_num_bit_planes: | |
| 1772 return make_int (DisplayPlanes (dpy, DefaultScreen (dpy))); | |
| 1773 case DM_num_color_cells: | |
| 1774 return make_int (DisplayCells (dpy, DefaultScreen (dpy))); | |
| 1942 | 1775 case DM_num_screens: |
| 1776 return make_int (ScreenCount (dpy)); | |
| 1777 case DM_backing_store: | |
| 1778 switch (DoesBackingStore (DefaultScreenOfDisplay (dpy))) | |
| 1779 { | |
| 1780 case Always: | |
| 1781 return intern ("always"); | |
| 1782 case WhenMapped: | |
| 1783 return intern ("when-mapped"); | |
| 1784 default: | |
| 1785 return intern ("not-useful"); | |
| 1786 } | |
| 1787 case DM_save_under: | |
| 1788 return (DoesSaveUnders (DefaultScreenOfDisplay (dpy)) == True) | |
| 1789 ? Qt : Qnil; | |
| 428 | 1790 default: /* No such device metric property for X devices */ |
| 1791 return Qunbound; | |
| 1792 } | |
| 1793 } | |
| 1794 | |
| 1795 DEFUN ("x-server-vendor", Fx_server_vendor, 0, 1, 0, /* | |
| 1796 Return the vendor ID string of the X server DEVICE is on. | |
| 1797 Return the empty string if the vendor ID string cannot be determined. | |
| 1798 */ | |
| 1799 (device)) | |
| 1800 { | |
| 1801 Display *dpy = get_x_display (device); | |
| 2367 | 1802 Extbyte *vendor = ServerVendor (dpy); |
| 428 | 1803 |
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1804 return build_extstring (vendor ? vendor : "", Qx_hpc_encoding); |
| 428 | 1805 } |
| 1806 | |
| 1807 DEFUN ("x-server-version", Fx_server_version, 0, 1, 0, /* | |
| 1808 Return the version numbers of the X server DEVICE is on. | |
| 1809 The returned value is a list of three integers: the major and minor | |
| 1810 version numbers of the X Protocol in use, and the vendor-specific release | |
| 1811 number. See also `x-server-vendor'. | |
| 1812 */ | |
| 1813 (device)) | |
| 1814 { | |
| 1815 Display *dpy = get_x_display (device); | |
| 1816 | |
| 1817 return list3 (make_int (ProtocolVersion (dpy)), | |
| 1818 make_int (ProtocolRevision (dpy)), | |
| 1819 make_int (VendorRelease (dpy))); | |
| 1820 } | |
| 1821 | |
| 1822 DEFUN ("x-valid-keysym-name-p", Fx_valid_keysym_name_p, 1, 1, 0, /* | |
| 1823 Return true if KEYSYM names a keysym that the X library knows about. | |
| 1824 Valid keysyms are listed in the files /usr/include/X11/keysymdef.h and in | |
| 1825 /usr/lib/X11/XKeysymDB, or whatever the equivalents are on your system. | |
| 1826 */ | |
| 1827 (keysym)) | |
| 1828 { | |
| 2367 | 1829 const Extbyte *keysym_ext; |
| 428 | 1830 |
| 1831 CHECK_STRING (keysym); | |
|
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1832 keysym_ext = LISP_STRING_TO_EXTERNAL (keysym, Qctext); |
| 428 | 1833 |
| 1834 return XStringToKeysym (keysym_ext) ? Qt : Qnil; | |
| 1835 } | |
| 1836 | |
| 1837 DEFUN ("x-keysym-hash-table", Fx_keysym_hash_table, 0, 1, 0, /* | |
| 440 | 1838 Return a hash table containing a key for all keysyms on DEVICE. |
| 1839 DEVICE must be an X11 display device. See `x-keysym-on-keyboard-p'. | |
| 428 | 1840 */ |
| 1841 (device)) | |
| 1842 { | |
| 1843 struct device *d = decode_device (device); | |
| 1844 if (!DEVICE_X_P (d)) | |
| 563 | 1845 gui_error ("Not an X device", device); |
| 428 | 1846 |
| 1847 return DEVICE_X_DATA (d)->x_keysym_map_hash_table; | |
| 1848 } | |
| 1849 | |
| 1850 DEFUN ("x-keysym-on-keyboard-sans-modifiers-p", Fx_keysym_on_keyboard_sans_modifiers_p, | |
| 1851 1, 2, 0, /* | |
| 1852 Return true if KEYSYM names a key on the keyboard of DEVICE. | |
| 1853 More precisely, return true if pressing a physical key | |
| 1854 on the keyboard of DEVICE without any modifier keys generates KEYSYM. | |
| 1855 Valid keysyms are listed in the files /usr/include/X11/keysymdef.h and in | |
| 1856 /usr/lib/X11/XKeysymDB, or whatever the equivalents are on your system. | |
| 1857 The keysym name can be provided in two forms: | |
| 1858 - if keysym is a string, it must be the name as known to X windows. | |
| 1859 - if keysym is a symbol, it must be the name as known to XEmacs. | |
| 1860 The two names differ in capitalization and underscoring. | |
| 1861 */ | |
| 1862 (keysym, device)) | |
| 1863 { | |
| 1864 struct device *d = decode_device (device); | |
| 1865 if (!DEVICE_X_P (d)) | |
| 563 | 1866 gui_error ("Not an X device", device); |
| 428 | 1867 |
| 1868 return (EQ (Qsans_modifiers, | |
| 1869 Fgethash (keysym, DEVICE_X_KEYSYM_MAP_HASH_TABLE (d), Qnil)) ? | |
| 1870 Qt : Qnil); | |
| 1871 } | |
| 1872 | |
| 1873 | |
| 1874 DEFUN ("x-keysym-on-keyboard-p", Fx_keysym_on_keyboard_p, 1, 2, 0, /* | |
| 1875 Return true if KEYSYM names a key on the keyboard of DEVICE. | |
| 1876 More precisely, return true if some keystroke (possibly including modifiers) | |
| 1877 on the keyboard of DEVICE keys generates KEYSYM. | |
| 1878 Valid keysyms are listed in the files /usr/include/X11/keysymdef.h and in | |
| 1879 /usr/lib/X11/XKeysymDB, or whatever the equivalents are on your system. | |
| 1880 The keysym name can be provided in two forms: | |
| 1881 - if keysym is a string, it must be the name as known to X windows. | |
| 1882 - if keysym is a symbol, it must be the name as known to XEmacs. | |
| 1883 The two names differ in capitalization and underscoring. | |
| 2828 | 1884 |
| 1885 This function is not entirely trustworthy, in that Xlib compose processing | |
| 1886 can produce keysyms that XEmacs will not have seen when it examined the | |
| 1887 keysyms available on startup. So pressing `dead-diaeresis' and then 'a' may | |
| 1888 pass `adiaeresis' to XEmacs, or (in some implementations) even `U00E4', | |
| 1889 where `(x-keysym-on-keyboard-p 'adiaeresis)' and `(x-keysym-on-keyboard-p | |
| 1890 'U00E4)' would both have returned nil. Subsequent to XEmacs seeing a keysym | |
| 1891 it was previously unaware of, the predicate will take note of it, though. | |
| 428 | 1892 */ |
| 1893 (keysym, device)) | |
| 1894 { | |
| 1895 struct device *d = decode_device (device); | |
| 1896 if (!DEVICE_X_P (d)) | |
| 563 | 1897 gui_error ("Not an X device", device); |
| 428 | 1898 |
| 1899 return (NILP (Fgethash (keysym, DEVICE_X_KEYSYM_MAP_HASH_TABLE (d), Qnil)) ? | |
| 1900 Qnil : Qt); | |
| 1901 } | |
| 1902 | |
| 1903 | |
| 1904 /************************************************************************/ | |
| 1905 /* grabs and ungrabs */ | |
| 1906 /************************************************************************/ | |
| 1907 | |
| 1908 DEFUN ("x-grab-pointer", Fx_grab_pointer, 0, 3, 0, /* | |
| 1909 Grab the pointer and restrict it to its current window. | |
| 1910 If optional DEVICE argument is nil, the default device will be used. | |
| 1911 If optional CURSOR argument is non-nil, change the pointer shape to that | |
| 1912 until `x-ungrab-pointer' is called (it should be an object returned by the | |
| 1913 `make-cursor-glyph' function). | |
| 1914 If the second optional argument IGNORE-KEYBOARD is non-nil, ignore all | |
| 1915 keyboard events during the grab. | |
| 1916 Returns t if the grab is successful, nil otherwise. | |
| 1917 */ | |
| 1918 (device, cursor, ignore_keyboard)) | |
| 1919 { | |
| 1920 Window w; | |
| 1921 int pointer_mode, result; | |
| 1922 struct device *d = decode_x_device (device); | |
| 1923 | |
| 1924 if (!NILP (cursor)) | |
| 1925 { | |
| 1926 CHECK_POINTER_GLYPH (cursor); | |
| 1927 cursor = glyph_image_instance (cursor, device, ERROR_ME, 0); | |
| 1928 } | |
| 1929 | |
| 1930 if (!NILP (ignore_keyboard)) | |
| 1931 pointer_mode = GrabModeSync; | |
| 1932 else | |
| 1933 pointer_mode = GrabModeAsync; | |
| 1934 | |
| 1935 w = XtWindow (FRAME_X_TEXT_WIDGET (device_selected_frame (d))); | |
| 1936 | |
| 1937 /* #### Possibly this needs to gcpro the cursor somehow, but it doesn't | |
| 1938 seem to cause a problem if XFreeCursor is called on a cursor in use | |
| 1939 in a grab; I suppose the X server counts the grab as a reference | |
| 1940 and doesn't free it until it exits? */ | |
| 1941 result = XGrabPointer (DEVICE_X_DISPLAY (d), w, | |
| 1942 False, | |
| 1943 ButtonMotionMask | | |
| 1944 ButtonPressMask | | |
| 1945 ButtonReleaseMask | | |
| 1946 PointerMotionHintMask, | |
| 1947 GrabModeAsync, /* Keep pointer events flowing */ | |
| 1948 pointer_mode, /* Stall keyboard events */ | |
| 1949 w, /* Stay in this window */ | |
| 1950 (NILP (cursor) ? 0 | |
| 1951 : XIMAGE_INSTANCE_X_CURSOR (cursor)), | |
| 1952 CurrentTime); | |
| 1953 return (result == GrabSuccess) ? Qt : Qnil; | |
| 1954 } | |
| 1955 | |
| 1956 DEFUN ("x-ungrab-pointer", Fx_ungrab_pointer, 0, 1, 0, /* | |
| 1957 Release a pointer grab made with `x-grab-pointer'. | |
| 1958 If optional first arg DEVICE is nil the default device is used. | |
| 1959 If it is t the pointer will be released on all X devices. | |
| 1960 */ | |
| 1961 (device)) | |
| 1962 { | |
| 1963 if (!EQ (device, Qt)) | |
| 1964 { | |
| 1965 Display *dpy = get_x_display (device); | |
| 1966 XUngrabPointer (dpy, CurrentTime); | |
| 1967 } | |
| 1968 else | |
| 1969 { | |
| 1970 Lisp_Object devcons, concons; | |
| 1971 | |
| 1972 DEVICE_LOOP_NO_BREAK (devcons, concons) | |
| 1973 { | |
| 1974 struct device *d = XDEVICE (XCAR (devcons)); | |
| 1975 | |
| 1976 if (DEVICE_X_P (d)) | |
| 1977 XUngrabPointer (DEVICE_X_DISPLAY (d), CurrentTime); | |
| 1978 } | |
| 1979 } | |
| 1980 | |
| 1981 return Qnil; | |
| 1982 } | |
| 1983 | |
| 1984 DEFUN ("x-grab-keyboard", Fx_grab_keyboard, 0, 1, 0, /* | |
| 1985 Grab the keyboard on the given device (defaulting to the selected one). | |
| 1986 So long as the keyboard is grabbed, all keyboard events will be delivered | |
| 1987 to emacs -- it is not possible for other X clients to eavesdrop on them. | |
| 1988 Ungrab the keyboard with `x-ungrab-keyboard' (use an unwind-protect). | |
| 1989 Returns t if the grab is successful, nil otherwise. | |
| 1990 */ | |
| 1991 (device)) | |
| 1992 { | |
| 1993 struct device *d = decode_x_device (device); | |
| 1994 Window w = XtWindow (FRAME_X_TEXT_WIDGET (device_selected_frame (d))); | |
| 1995 Display *dpy = DEVICE_X_DISPLAY (d); | |
| 1996 Status status; | |
| 1997 XSync (dpy, False); | |
| 1998 status = XGrabKeyboard (dpy, w, True, | |
| 1999 /* I don't really understand sync-vs-async | |
| 2000 grabs, but this is what xterm does. */ | |
| 2001 GrabModeAsync, GrabModeAsync, | |
| 2002 /* Use the timestamp of the last user action | |
| 2003 read by emacs proper; xterm uses CurrentTime | |
| 2004 but there's a comment that says "wrong"... | |
| 2005 (Despite the name this is the time of the | |
| 2006 last key or mouse event.) */ | |
| 2007 DEVICE_X_MOUSE_TIMESTAMP (d)); | |
| 2008 if (status == GrabSuccess) | |
| 2009 { | |
| 2010 /* The XUngrabKeyboard should generate a FocusIn back to this | |
| 2011 window but it doesn't unless we explicitly set focus to the | |
| 2012 window first (which should already have it. The net result | |
| 2013 is that without this call when x-ungrab-keyboard is called | |
| 2014 the selected frame ends up not having focus. */ | |
| 2015 XSetInputFocus (dpy, w, RevertToParent, DEVICE_X_MOUSE_TIMESTAMP (d)); | |
| 2016 return Qt; | |
| 2017 } | |
| 2018 else | |
| 2019 return Qnil; | |
| 2020 } | |
| 2021 | |
| 2022 DEFUN ("x-ungrab-keyboard", Fx_ungrab_keyboard, 0, 1, 0, /* | |
| 2023 Release a keyboard grab made with `x-grab-keyboard'. | |
| 2024 */ | |
| 2025 (device)) | |
| 2026 { | |
| 2027 Display *dpy = get_x_display (device); | |
| 2028 XUngrabKeyboard (dpy, CurrentTime); | |
| 2029 return Qnil; | |
| 2030 } | |
| 2031 | |
| 2032 DEFUN ("x-get-font-path", Fx_get_font_path, 0, 1, 0, /* | |
| 2033 Get the X Server's font path. | |
| 2034 | |
| 2035 See also `x-set-font-path'. | |
| 2036 */ | |
| 2037 (device)) | |
| 2038 { | |
| 2039 Display *dpy = get_x_display (device); | |
| 2040 int ndirs_return; | |
| 2367 | 2041 const Extbyte **directories = |
| 2042 (const Extbyte **) XGetFontPath (dpy, &ndirs_return); | |
| 428 | 2043 Lisp_Object font_path = Qnil; |
| 2044 | |
| 2045 if (!directories) | |
| 563 | 2046 gui_error ("Can't get X font path", device); |
| 428 | 2047 |
| 2048 while (ndirs_return--) | |
|
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2049 font_path = Fcons (build_extstring (directories[ndirs_return], |
| 440 | 2050 Qfile_name), |
| 2051 font_path); | |
| 428 | 2052 |
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2053 XFreeFontPath ((char **)directories); |
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2054 |
| 428 | 2055 return font_path; |
| 2056 } | |
| 2057 | |
| 2058 DEFUN ("x-set-font-path", Fx_set_font_path, 1, 2, 0, /* | |
| 2059 Set the X Server's font path to FONT-PATH. | |
| 2060 | |
| 2061 There is only one font path per server, not one per client. Use this | |
| 2062 sparingly. It uncaches all of the X server's font information. | |
| 2063 | |
| 2064 Font directories should end in the path separator and should contain | |
| 2065 a file called fonts.dir usually created with the program mkfontdir. | |
| 2066 | |
| 2067 Setting the FONT-PATH to nil tells the X server to use the default | |
| 2068 font path. | |
| 2069 | |
| 2070 See also `x-get-font-path'. | |
| 2071 */ | |
| 2072 (font_path, device)) | |
| 2073 { | |
| 2074 Display *dpy = get_x_display (device); | |
| 2367 | 2075 Extbyte **directories; |
| 428 | 2076 int i=0,ndirs=0; |
| 2077 | |
| 2367 | 2078 { |
| 2079 EXTERNAL_LIST_LOOP_2 (path_entry, font_path) | |
| 2080 { | |
| 2081 CHECK_STRING (path_entry); | |
| 2082 ndirs++; | |
| 2083 } | |
| 2084 } | |
| 428 | 2085 |
| 2367 | 2086 directories = alloca_array (Extbyte *, ndirs); |
| 428 | 2087 |
| 2367 | 2088 { |
| 2089 EXTERNAL_LIST_LOOP_2 (path_entry, font_path) | |
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2090 LISP_PATHNAME_CONVERT_OUT (path_entry, directories[i++]); |
| 2367 | 2091 } |
| 428 | 2092 |
| 2093 expect_x_error (dpy); | |
| 2367 | 2094 XSetFontPath (dpy, directories, ndirs); |
| 428 | 2095 signal_if_x_error (dpy, 1/*resumable_p*/); |
| 2096 | |
| 2097 return Qnil; | |
| 2098 } | |
| 2099 | |
| 2100 | |
| 2101 /************************************************************************/ | |
| 2102 /* initialization */ | |
| 2103 /************************************************************************/ | |
| 2104 | |
| 2105 void | |
| 2106 syms_of_device_x (void) | |
| 2107 { | |
| 3092 | 2108 #ifdef NEW_GC |
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2109 INIT_LISP_OBJECT (x_device); |
| 3092 | 2110 #endif /* NEW_GC */ |
| 2111 | |
| 428 | 2112 DEFSUBR (Fx_debug_mode); |
| 2113 DEFSUBR (Fx_get_resource); | |
| 2114 DEFSUBR (Fx_get_resource_prefix); | |
| 2115 DEFSUBR (Fx_put_resource); | |
| 2116 | |
| 2117 DEFSUBR (Fdefault_x_device); | |
| 2118 DEFSUBR (Fx_display_visual_class); | |
| 2119 DEFSUBR (Fx_display_visual_depth); | |
| 2120 DEFSUBR (Fx_server_vendor); | |
| 2121 DEFSUBR (Fx_server_version); | |
| 2122 DEFSUBR (Fx_valid_keysym_name_p); | |
| 2123 DEFSUBR (Fx_keysym_hash_table); | |
| 2124 DEFSUBR (Fx_keysym_on_keyboard_p); | |
| 2125 DEFSUBR (Fx_keysym_on_keyboard_sans_modifiers_p); | |
| 2126 | |
| 2127 DEFSUBR (Fx_grab_pointer); | |
| 2128 DEFSUBR (Fx_ungrab_pointer); | |
| 2129 DEFSUBR (Fx_grab_keyboard); | |
| 2130 DEFSUBR (Fx_ungrab_keyboard); | |
| 2131 | |
| 2132 DEFSUBR (Fx_get_font_path); | |
| 2133 DEFSUBR (Fx_set_font_path); | |
| 2134 | |
| 563 | 2135 DEFSYMBOL (Qx_error); |
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2136 DEFSYMBOL (Qmake_device_early_x_entry_point); |
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2137 DEFSYMBOL (Qmake_device_late_x_entry_point); |
| 771 | 2138 |
| 2139 #ifdef MULE | |
| 2140 DEFSYMBOL (Qget_coding_system_from_locale); | |
| 2141 #endif | |
| 428 | 2142 } |
| 2143 | |
| 2144 void | |
| 2145 reinit_console_type_create_device_x (void) | |
| 2146 { | |
| 2147 /* Initialize variables to speed up X resource interactions */ | |
| 2367 | 2148 const Ascbyte *valid_resource_chars = |
| 428 | 2149 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"; |
| 2150 while (*valid_resource_chars) | |
| 2151 valid_resource_char_p[(unsigned int) (*valid_resource_chars++)] = 1; | |
| 2152 | |
| 771 | 2153 name_Extbyte_dynarr = Dynarr_new (Extbyte); |
| 2154 class_Extbyte_dynarr = Dynarr_new (Extbyte); | |
| 428 | 2155 } |
| 2156 | |
| 2157 void | |
| 2158 console_type_create_device_x (void) | |
| 2159 { | |
| 2160 reinit_console_type_create_device_x (); | |
| 2161 CONSOLE_HAS_METHOD (x, init_device); | |
| 2162 CONSOLE_HAS_METHOD (x, finish_init_device); | |
| 2163 CONSOLE_HAS_METHOD (x, mark_device); | |
| 2164 CONSOLE_HAS_METHOD (x, delete_device); | |
| 2165 CONSOLE_HAS_METHOD (x, device_system_metrics); | |
| 2166 } | |
| 2167 | |
| 2168 void | |
| 2169 reinit_vars_of_device_x (void) | |
| 2170 { | |
| 2171 error_expected = 0; | |
| 2172 error_occurred = 0; | |
| 2173 | |
| 2174 in_resource_setting = 0; | |
| 2175 } | |
| 2176 | |
| 2177 void | |
| 2178 vars_of_device_x (void) | |
| 2179 { | |
| 2180 DEFVAR_LISP ("x-emacs-application-class", &Vx_emacs_application_class /* | |
| 2181 The X application class of the XEmacs process. | |
| 2182 This controls, among other things, the name of the `app-defaults' file | |
| 2183 that XEmacs will use. For changes to this variable to take effect, they | |
| 2184 must be made before the connection to the X server is initialized, that is, | |
| 2185 this variable may only be changed before emacs is dumped, or by setting it | |
| 2186 in the file lisp/term/x-win.el. | |
| 2187 | |
| 2681 | 2188 If this variable is nil on startup, the application uses `XEmacs'. Versions |
| 2189 previous to 21.5.21 examined the resource database and used `XEmacs' if any | |
| 2190 resources beginning with that string existed, and `Emacs' otherwise, for | |
| 2828 | 2191 greater backward compatibility. However, this has always tended to conflict |
| 2681 | 2192 with GNU Emacs, so this behavior is deprecated--in the short term, you can |
| 2193 restore it in a post-21.5.21 XEmacs by setting the | |
| 2194 USE_EMACS_AS_DEFAULT_APPLICATION_CLASS environment variable to some value, | |
| 2195 but in the medium and long term, you should migrate your X resources. | |
| 428 | 2196 */ ); |
| 2197 Vx_emacs_application_class = Qnil; | |
| 2198 | |
| 2199 DEFVAR_LISP ("x-initial-argv-list", &Vx_initial_argv_list /* | |
| 2200 You don't want to know. | |
| 2201 This is used during startup to communicate the remaining arguments in | |
| 2202 `command-line-args-left' to the C code, which passes the args to | |
| 2203 the X initialization code, which removes some args, and then the | |
| 2204 args are placed back into `x-initial-arg-list' and thence into | |
| 2205 `command-line-args-left'. Perhaps `command-line-args-left' should | |
| 2206 just reside in C. | |
| 2207 */ ); | |
| 2208 Vx_initial_argv_list = Qnil; | |
| 2209 | |
| 2210 DEFVAR_LISP ("x-app-defaults-directory", &Vx_app_defaults_directory /* | |
| 2211 Used by the Lisp code to communicate to the low level X initialization | |
| 2212 where the localized init files are. | |
| 2213 */ ); | |
| 2214 Vx_app_defaults_directory = Qnil; | |
| 2215 | |
| 2216 Fprovide (Qx); | |
| 2217 } |