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annotate src/console-x.c @ 5028:b7232de2a937
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| author | Stephen J. Turnbull <stephen@xemacs.org> |
|---|---|
| date | Wed, 10 Feb 2010 20:51:51 +0900 |
| parents | 2ade80e8c640 |
| children | 99f8ebc082d9 |
| rev | line source |
|---|---|
| 428 | 1 /* Console functions for X windows. |
| 793 | 2 Copyright (C) 1996, 2002 Ben Wing. |
| 428 | 3 |
| 4 This file is part of XEmacs. | |
| 5 | |
| 6 XEmacs is free software; you can redistribute it and/or modify it | |
| 7 under the terms of the GNU General Public License as published by the | |
| 8 Free Software Foundation; either version 2, or (at your option) any | |
| 9 later version. | |
| 10 | |
| 11 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with XEmacs; see the file COPYING. If not, write to | |
| 18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 19 Boston, MA 02111-1307, USA. */ | |
| 20 | |
| 21 /* Synched up with: Not in FSF. */ | |
| 22 | |
| 442 | 23 /* This file Mule-ized by Ben Wing, 7-10-00. */ |
| 24 | |
| 428 | 25 /* Authorship: |
| 26 | |
| 27 Ben Wing: January 1996, for 19.14. | |
| 28 */ | |
| 29 | |
| 30 #include <config.h> | |
| 31 #include "lisp.h" | |
| 32 | |
| 442 | 33 #include "buffer.h" |
| 2828 | 34 #include "device.h" |
| 35 #include "elhash.h" | |
| 428 | 36 #include "process.h" /* canonicalize_host_name */ |
| 37 #include "redisplay.h" /* for display_arg */ | |
| 38 | |
| 2828 | 39 #include "device-impl.h" |
| 872 | 40 #include "console-x-impl.h" |
| 41 | |
| 428 | 42 DEFINE_CONSOLE_TYPE (x); |
| 43 | |
| 3381 | 44 int wedge_metacity; /* nonzero means update WM_HINTS always */ |
| 45 | |
| 428 | 46 static int |
| 2286 | 47 x_initially_selected_for_input (struct console *UNUSED (con)) |
| 428 | 48 { |
| 49 return 1; | |
| 50 } | |
| 51 | |
| 444 | 52 /* Parse a DISPLAY specification like "host:10.0" or ":0" */ |
| 428 | 53 static void |
| 54 split_up_display_spec (Lisp_Object display, int *hostname_length, | |
| 55 int *display_length, int *screen_length) | |
| 56 { | |
| 867 | 57 Ibyte *beg = XSTRING_DATA (display); |
| 58 Ibyte *end = beg + XSTRING_LENGTH (display); | |
| 59 Ibyte *p = end; | |
| 428 | 60 |
| 444 | 61 while (p > beg) |
| 428 | 62 { |
| 867 | 63 DEC_IBYTEPTR (p); |
| 64 if (itext_ichar (p) == ':') | |
| 444 | 65 { |
| 66 *hostname_length = p - beg; | |
| 428 | 67 |
| 444 | 68 while (p < end - 1) |
| 69 { | |
| 867 | 70 INC_IBYTEPTR (p); |
| 71 if (itext_ichar (p) == '.') | |
| 444 | 72 { |
| 73 *display_length = p - beg - *hostname_length; | |
| 74 *screen_length = end - p; | |
| 75 return; | |
| 76 } | |
| 77 } | |
| 78 /* No '.' found. */ | |
| 79 *display_length = XSTRING_LENGTH (display) - *hostname_length; | |
| 80 *screen_length = 0; | |
| 81 return; | |
| 82 } | |
| 428 | 83 } |
| 84 | |
| 444 | 85 /* No ':' found. */ |
| 86 *hostname_length = XSTRING_LENGTH (display); | |
| 87 *display_length = 0; | |
| 88 *screen_length = 0; | |
| 428 | 89 } |
| 90 | |
| 91 /* Remember, in all of the following functions, we have to verify | |
| 92 the integrity of our input, because the generic functions don't. */ | |
| 93 | |
| 94 static Lisp_Object | |
| 578 | 95 x_device_to_console_connection (Lisp_Object connection, Error_Behavior errb) |
| 428 | 96 { |
| 97 /* Strip the trailing .# off of the connection, if it's there. */ | |
| 98 | |
| 99 if (NILP (connection)) | |
| 100 return Qnil; | |
| 101 else | |
| 102 { | |
| 103 int hostname_length, display_length, screen_length; | |
| 104 | |
| 105 if (!ERRB_EQ (errb, ERROR_ME)) | |
| 106 { | |
| 107 if (!STRINGP (connection)) | |
| 108 return Qunbound; | |
| 109 } | |
| 110 else | |
| 111 CHECK_STRING (connection); | |
| 112 | |
| 113 split_up_display_spec (connection, &hostname_length, &display_length, | |
| 114 &screen_length); | |
| 115 connection = make_string (XSTRING_DATA (connection), | |
| 116 hostname_length + display_length); | |
| 117 } | |
| 118 | |
| 119 return connection; | |
| 120 } | |
| 121 | |
| 122 static Lisp_Object | |
| 123 get_display_arg_connection (void) | |
| 124 { | |
| 442 | 125 const Extbyte *disp_name; |
| 428 | 126 |
| 127 /* If the user didn't explicitly specify a display to use when | |
| 128 they called make-x-device, then we first check to see if a | |
| 129 display was specified on the command line with -display. If | |
| 130 so, we set disp_name to it. Otherwise we use XDisplayName to | |
| 131 see what DISPLAY is set to. XtOpenDisplay knows how to do | |
| 132 both of these things, but we need to know the name to use. */ | |
| 133 if (display_arg) | |
| 134 { | |
| 135 int elt; | |
| 136 int argc; | |
| 442 | 137 Extbyte **argv; |
| 428 | 138 Lisp_Object conn; |
| 139 | |
| 140 make_argc_argv (Vx_initial_argv_list, &argc, &argv); | |
| 141 | |
| 142 disp_name = NULL; | |
| 143 for (elt = 0; elt < argc; elt++) | |
| 144 { | |
| 145 if (!strcmp (argv[elt], "-d") || !strcmp (argv[elt], "-display")) | |
| 146 { | |
| 147 if (elt + 1 == argc) | |
| 148 { | |
| 149 suppress_early_error_handler_backtrace = 1; | |
| 563 | 150 invalid_argument ("-display specified with no arg", Qunbound); |
| 428 | 151 } |
| 152 else | |
| 153 { | |
| 154 disp_name = argv[elt + 1]; | |
| 155 break; | |
| 156 } | |
| 157 } | |
| 158 } | |
| 159 | |
| 160 /* assert: display_arg is only set if we found the display | |
| 161 arg earlier so we can't fail to find it now. */ | |
| 162 assert (disp_name != NULL); | |
|
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163 conn = build_extstring (disp_name, Qcommand_argument_encoding); |
| 428 | 164 free_argc_argv (argv); |
| 165 return conn; | |
| 166 } | |
| 167 else | |
|
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parents:
4952
diff
changeset
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168 return build_extstring (XDisplayName (0), Qx_display_name_encoding); |
| 428 | 169 } |
| 170 | |
| 171 /* "semi-canonicalize" means convert to a nicer form for printing, but | |
| 172 don't completely canonicalize (into some likely ugly form) */ | |
| 173 | |
| 174 static Lisp_Object | |
| 175 x_semi_canonicalize_console_connection (Lisp_Object connection, | |
| 578 | 176 Error_Behavior errb) |
| 428 | 177 { |
| 178 struct gcpro gcpro1; | |
| 179 | |
| 180 GCPRO1 (connection); | |
| 181 | |
| 182 if (NILP (connection)) | |
| 183 connection = get_display_arg_connection (); | |
| 184 else | |
| 185 { | |
| 186 if (!ERRB_EQ (errb, ERROR_ME)) | |
| 187 { | |
| 188 if (!STRINGP (connection)) | |
| 189 RETURN_UNGCPRO (Qunbound); | |
| 190 } | |
| 191 else | |
| 192 CHECK_STRING (connection); | |
| 193 } | |
| 194 | |
| 195 | |
| 196 /* Be lenient, allow people to specify a device connection instead of | |
| 197 a console connection -- e.g. "foo:0.0" instead of "foo:0". This | |
| 198 only happens in `find-console' and `get-console'. */ | |
| 199 connection = x_device_to_console_connection (connection, errb); | |
| 200 | |
| 201 /* Check for a couple of standard special cases */ | |
| 867 | 202 if (string_ichar (connection, 0) == ':') |
|
4952
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Mule-izing, various fixes related to char * arguments
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parents:
3381
diff
changeset
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203 connection = concat2 (build_ascstring ("localhost"), connection); |
| 444 | 204 else |
| 205 { | |
| 206 /* connection =~ s/^unix:/localhost:/; */ | |
| 867 | 207 const Ibyte *p = XSTRING_DATA (connection); |
| 208 const Ibyte *end = XSTRING_DATA (connection) + XSTRING_LENGTH (connection); | |
| 647 | 209 int i; |
| 444 | 210 |
| 647 | 211 for (i = 0; i < (int) sizeof ("unix:") - 1; i++) |
| 444 | 212 { |
| 867 | 213 if (p == end || itext_ichar (p) != "unix:"[i]) |
| 444 | 214 goto ok; |
| 867 | 215 INC_IBYTEPTR (p); |
| 444 | 216 } |
| 217 | |
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19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
3381
diff
changeset
|
218 connection = concat2 (build_ascstring ("localhost:"), |
| 444 | 219 make_string (p, end - p)); |
| 220 } | |
| 221 ok: | |
| 428 | 222 |
| 223 RETURN_UNGCPRO (connection); | |
| 224 } | |
| 225 | |
| 226 static Lisp_Object | |
| 578 | 227 x_canonicalize_console_connection (Lisp_Object connection, Error_Behavior errb) |
| 428 | 228 { |
| 229 Lisp_Object hostname = Qnil; | |
| 230 struct gcpro gcpro1, gcpro2; | |
| 231 | |
| 232 GCPRO2 (connection, hostname); | |
| 233 | |
| 234 connection = x_semi_canonicalize_console_connection (connection, errb); | |
| 235 if (UNBOUNDP (connection)) | |
| 236 RETURN_UNGCPRO (Qunbound); | |
| 237 | |
| 238 { | |
| 239 int hostname_length, display_length, screen_length; | |
| 240 | |
| 241 split_up_display_spec (connection, &hostname_length, &display_length, | |
| 242 &screen_length); | |
| 243 hostname = Fsubstring (connection, Qzero, make_int (hostname_length)); | |
| 244 hostname = canonicalize_host_name (hostname); | |
| 245 connection = concat2 (hostname, | |
| 246 make_string (XSTRING_DATA (connection) | |
| 247 + hostname_length, display_length)); | |
| 248 } | |
| 249 | |
| 250 RETURN_UNGCPRO (connection); | |
| 251 } | |
| 252 | |
| 253 static Lisp_Object | |
| 254 x_semi_canonicalize_device_connection (Lisp_Object connection, | |
| 578 | 255 Error_Behavior errb) |
| 428 | 256 { |
| 257 int hostname_length, display_length, screen_length; | |
| 258 struct gcpro gcpro1; | |
| 259 | |
| 260 GCPRO1 (connection); | |
| 261 if (NILP (connection)) | |
| 262 connection = get_display_arg_connection (); | |
| 263 else | |
| 264 { | |
| 265 if (!ERRB_EQ (errb, ERROR_ME)) | |
| 266 { | |
| 267 if (!STRINGP (connection)) | |
| 268 RETURN_UNGCPRO (Qunbound); | |
| 269 } | |
| 270 else | |
| 271 CHECK_STRING (connection); | |
| 272 } | |
| 273 | |
| 274 split_up_display_spec (connection, &hostname_length, &display_length, | |
| 275 &screen_length); | |
| 276 | |
| 277 if (!screen_length) | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
3381
diff
changeset
|
278 connection = concat2 (connection, build_ascstring (".0")); |
| 428 | 279 RETURN_UNGCPRO (connection); |
| 280 } | |
| 281 | |
| 282 static Lisp_Object | |
| 578 | 283 x_canonicalize_device_connection (Lisp_Object connection, Error_Behavior errb) |
| 428 | 284 { |
| 285 int hostname_length, display_length, screen_length; | |
| 286 Lisp_Object screen_str = Qnil; | |
| 287 struct gcpro gcpro1, gcpro2; | |
| 288 | |
| 289 GCPRO2 (screen_str, connection); | |
| 290 connection = x_semi_canonicalize_device_connection (connection, errb); | |
| 291 if (UNBOUNDP (connection)) | |
| 292 RETURN_UNGCPRO (Qunbound); | |
| 293 | |
| 294 split_up_display_spec (connection, &hostname_length, &display_length, | |
| 295 &screen_length); | |
| 296 | |
| 444 | 297 screen_str = make_string (XSTRING_DATA (connection) |
| 298 + hostname_length + display_length, screen_length); | |
| 428 | 299 connection = x_canonicalize_console_connection (connection, errb); |
| 300 | |
| 301 RETURN_UNGCPRO (concat2 (connection, screen_str)); | |
| 302 } | |
| 303 | |
| 2828 | 304 /* Given a key, if it maps to a character and we weren't previously aware |
| 305 that it could be generated on console CON, and if it's unbound in the | |
| 306 global map, bind it to self-insert-command. Return Qt if the binding was | |
| 307 done; Qnil if not. */ | |
| 308 | |
| 309 static Lisp_Object | |
| 310 x_perhaps_init_unseen_key_defaults (struct console *con, Lisp_Object key) | |
| 311 { | |
| 312 KeySym xkeysym; | |
| 313 const Extbyte *keysym_ext; | |
| 314 Lisp_Object key_name, previous_binding = Qnil; | |
| 315 extern Lisp_Object Qcharacter_of_keysym, Vcurrent_global_map; | |
| 316 | |
| 317 /* Getting the device exactly right is not horrendously important; as long | |
| 318 as it's an X11 device it should be okay, because the global keymap (and | |
| 319 whether the key is bound) _is_ global, and any previously seen keysym | |
| 320 will already be bound, or not, in it. However, there is a corner case | |
| 321 where a symbol has been typed, and then explicitly unbound; if the next | |
| 322 event using that symbol comes in on some other frame, it'll get bound | |
| 323 again. This is not realistically an issue. */ | |
| 324 struct device *d = XDEVICE(con->selected_device); | |
| 325 | |
| 326 if (SYMBOLP (key)) | |
| 327 { | |
| 328 key_name = symbol_name(XSYMBOL(key)); | |
| 329 } | |
| 330 else | |
| 331 { | |
| 332 Ibyte buf[MAX_ICHAR_LEN + 1]; | |
| 333 CHECK_CHAR(key); | |
| 334 | |
| 335 buf[set_itext_ichar(buf, XCHAR(key))] = '\0'; | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
336 key_name = build_istring (buf); |
| 2828 | 337 |
| 338 /* We need to do the lookup and compare later, because we can't check | |
| 339 the Qcharacter_of_keysym property belonging to an actual character. */ | |
| 340 previous_binding = Flookup_key (Vcurrent_global_map, key, Qnil); | |
| 341 } | |
| 342 | |
| 343 if (!NILP(Fgethash(key, DEVICE_X_KEYSYM_MAP_HASH_TABLE (d), Qnil))) | |
| 344 { | |
| 345 return Qnil; | |
| 346 } | |
| 347 | |
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Cleanups/renaming of EXTERNAL_TO_C_STRING and friends
Ben Wing <ben@xemacs.org>
parents:
4953
diff
changeset
|
348 keysym_ext = LISP_STRING_TO_EXTERNAL (key_name, Qctext); |
| 2828 | 349 xkeysym = XStringToKeysym(keysym_ext); |
| 350 if (NoSymbol == xkeysym) | |
| 351 { | |
| 3142 | 352 /* Keysym is NoSymbol; this may mean the key event passed to us came |
| 353 from an input method, which stored the actual character intended to | |
| 354 be inserted in the key name, and didn't trouble itself to set the | |
| 355 keycode to anything useful. Thus, if the key name is a single | |
| 356 character, and the keysym is NoSymbol, give it a default binding, | |
| 357 if that is possible. */ | |
| 358 Lisp_Object keychar; | |
| 359 | |
| 360 if (1 != string_char_length(key_name)) | |
| 361 { | |
| 362 /* Don't let them pass us more than one character. */ | |
| 363 return Qnil; | |
| 364 } | |
| 365 keychar = make_char(itext_ichar(XSTRING_DATA(key_name))); | |
| 366 if (NILP (Flookup_key (Vcurrent_global_map, keychar, Qnil))) | |
| 367 { | |
| 368 Fdefine_key (Vcurrent_global_map, keychar, Qself_insert_command); | |
| 369 Fputhash (keychar, Qt, DEVICE_X_KEYSYM_MAP_HASH_TABLE (d)); | |
| 370 return Qt; | |
| 371 } | |
| 2828 | 372 return Qnil; |
| 373 } | |
| 374 | |
| 375 x_has_keysym(xkeysym, DEVICE_X_KEYSYM_MAP_HASH_TABLE (d), 0); | |
| 376 | |
| 377 if (SYMBOLP(key)) | |
| 378 { | |
| 379 return NILP(Fget (key, Qcharacter_of_keysym, Qnil)) ? Qnil : Qt; | |
| 380 } | |
| 381 else | |
| 382 { | |
| 383 return EQ(previous_binding, Flookup_key(Vcurrent_global_map, key, Qnil)) | |
| 384 ? Qnil : Qt; | |
| 385 } | |
| 386 } | |
| 387 | |
| 428 | 388 void |
| 389 console_type_create_x (void) | |
| 390 { | |
| 391 INITIALIZE_CONSOLE_TYPE (x, "x", "console-x-p"); | |
| 392 | |
| 393 CONSOLE_HAS_METHOD (x, semi_canonicalize_console_connection); | |
| 394 CONSOLE_HAS_METHOD (x, canonicalize_console_connection); | |
| 395 CONSOLE_HAS_METHOD (x, semi_canonicalize_device_connection); | |
| 396 CONSOLE_HAS_METHOD (x, canonicalize_device_connection); | |
| 397 CONSOLE_HAS_METHOD (x, device_to_console_connection); | |
| 398 CONSOLE_HAS_METHOD (x, initially_selected_for_input); | |
| 2828 | 399 CONSOLE_HAS_METHOD (x, perhaps_init_unseen_key_defaults); |
| 428 | 400 } |
| 401 | |
| 402 | |
| 403 void | |
| 3381 | 404 vars_of_console_x (void) |
| 405 { | |
| 406 DEFVAR_BOOL ("wedge-metacity", &wedge_metacity /* | |
| 407 When non-nil, frame geometry management is backward-compatible. | |
| 408 This is known to create inflooping window jitter in metacity, et al. | |
| 409 It also does not conform to Xt conventions for geometry management. | |
| 410 Specifically, all frame resizes, XEmacs-initiated or not, update WM_HINTS. | |
| 411 Furthermore, geometry changes occur in the widget resize method. | |
| 412 | |
| 413 The default is nil. This probably gives correct behavior regardless of the | |
| 414 window manager used. | |
| 415 This variable is deprecated and will be removed. | |
| 416 */ ); | |
| 417 } | |
| 418 | |
| 419 void | |
| 428 | 420 reinit_console_type_create_x (void) |
| 421 { | |
| 422 REINITIALIZE_CONSOLE_TYPE (x); | |
| 423 } |