Mercurial > hg > xemacs-beta
annotate src/console-stream.c @ 5008:cad59a0a3b19
Add license information from Marcus Thiessel.
See xemacs-beta message <20100208091453.25900@gmx.net>.
| author | Jerry James <james@xemacs.org> |
|---|---|
| date | Tue, 09 Feb 2010 09:50:49 -0700 |
| parents | 16112448d484 |
| children | 5502045ec510 b5df3737028a |
| rev | line source |
|---|---|
| 428 | 1 /* Stream device functions. |
| 2 Copyright (C) 1995 Free Software Foundation, Inc. | |
| 1279 | 3 Copyright (C) 1996, 2001, 2002, 2003 Ben Wing. |
| 428 | 4 |
| 5 This file is part of XEmacs. | |
| 6 | |
| 7 XEmacs is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 2, or (at your option) any | |
| 10 later version. | |
| 11 | |
| 12 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with XEmacs; see the file COPYING. If not, write to | |
| 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 Boston, MA 02111-1307, USA. */ | |
| 21 | |
| 22 /* Synched up with: Not in FSF. */ | |
| 23 | |
| 24 /* This file has been Mule-ized. */ | |
| 25 | |
| 26 /* Written by Ben Wing. */ | |
| 27 | |
| 28 #include <config.h> | |
| 29 #include "lisp.h" | |
| 30 | |
| 872 | 31 #include "device-impl.h" |
| 428 | 32 #include "events.h" |
| 872 | 33 #include "frame-impl.h" |
| 428 | 34 #include "redisplay.h" |
| 35 #include "sysdep.h" | |
| 800 | 36 #include "window.h" |
| 37 | |
| 872 | 38 #include "console-stream-impl.h" |
| 800 | 39 #include "console-tty.h" |
| 40 | |
| 428 | 41 #include "sysfile.h" |
| 42 | |
| 43 DEFINE_CONSOLE_TYPE (stream); | |
| 44 | |
| 45 Lisp_Object Vterminal_console; | |
| 46 Lisp_Object Vterminal_device; | |
| 47 Lisp_Object Vterminal_frame; | |
| 48 | |
| 49 Lisp_Object Vstdio_str; | |
| 50 | |
| 1204 | 51 static const struct memory_description stream_console_data_description_1 [] = { |
| 52 { XD_LISP_OBJECT, offsetof (struct stream_console, instream) }, | |
| 53 { XD_END } | |
| 54 }; | |
| 55 | |
| 3092 | 56 #ifdef NEW_GC |
| 57 DEFINE_LRECORD_IMPLEMENTATION ("stream-console", stream_console, | |
| 58 1, /*dumpable-flag*/ | |
| 59 0, 0, 0, 0, 0, | |
| 60 stream_console_data_description_1, | |
| 61 Lisp_Stream_Console); | |
| 62 #else /* not NEW_GC */ | |
| 1204 | 63 const struct sized_memory_description stream_console_data_description = { |
| 64 sizeof (struct stream_console), stream_console_data_description_1 | |
| 65 }; | |
| 3092 | 66 #endif /* not NEW_GC */ |
| 1204 | 67 |
| 428 | 68 static void |
| 2286 | 69 stream_init_console (struct console *con, Lisp_Object UNUSED (params)) |
| 428 | 70 { |
| 71 Lisp_Object tty = CONSOLE_CONNECTION (con); | |
| 72 struct stream_console *stream_con; | |
| 73 | |
| 3092 | 74 #ifdef NEW_GC |
| 75 if (CONSOLE_STREAM_DATA (con) == NULL) | |
| 76 CONSOLE_STREAM_DATA (con) = alloc_lrecord_type (struct stream_console, | |
| 77 &lrecord_stream_console); | |
| 78 #else /* not NEW_GC */ | |
| 428 | 79 if (CONSOLE_STREAM_DATA (con) == NULL) |
| 1204 | 80 CONSOLE_STREAM_DATA (con) = xnew_and_zero (struct stream_console); |
| 3092 | 81 #endif /* not NEW_GC */ |
| 428 | 82 |
| 83 stream_con = CONSOLE_STREAM_DATA (con); | |
| 84 | |
| 1204 | 85 stream_con->instream = Qnil; |
| 428 | 86 |
| 87 /* Open the specified console */ | |
| 88 if (NILP (tty) || internal_equal (tty, Vstdio_str, 0)) | |
| 89 { | |
| 90 stream_con->in = stdin; | |
| 91 stream_con->out = stdout; | |
| 92 stream_con->err = stderr; | |
| 93 } | |
| 94 else | |
| 95 { | |
| 96 CHECK_STRING (tty); | |
| 97 stream_con->in = stream_con->out = stream_con->err = | |
| 442 | 98 /* #### We don't currently do coding-system translation on |
| 99 this descriptor. */ | |
| 771 | 100 qxe_fopen (XSTRING_DATA (tty), READ_PLUS_TEXT); |
| 428 | 101 if (!stream_con->in) |
| 563 | 102 signal_error (Qio_error, "Unable to open tty", tty); |
| 428 | 103 } |
| 104 } | |
| 105 | |
| 106 static void | |
| 2286 | 107 stream_init_device (struct device *d, Lisp_Object UNUSED (params)) |
| 428 | 108 { |
| 109 struct console *con = XCONSOLE (DEVICE_CONSOLE (d)); | |
| 110 | |
| 111 DEVICE_INFD (d) = fileno (CONSOLE_STREAM_DATA (con)->in); | |
| 112 DEVICE_OUTFD (d) = fileno (CONSOLE_STREAM_DATA (con)->out); | |
| 113 init_baud_rate (d); | |
| 114 init_one_device (d); | |
| 115 } | |
| 116 | |
| 117 static int | |
| 2286 | 118 stream_initially_selected_for_input (struct console *UNUSED (con)) |
| 428 | 119 { |
| 120 return noninteractive && initialized; | |
| 121 } | |
| 122 | |
| 123 extern int stdout_needs_newline; | |
| 124 | |
| 125 static void | |
| 126 stream_delete_console (struct console *con) | |
| 127 { | |
| 128 struct stream_console *stream_con = CONSOLE_STREAM_DATA (con); | |
| 129 if (stream_con) | |
| 130 { | |
| 131 if (/* stream_con->needs_newline */ | |
| 132 stdout_needs_newline) /* #### clean this up */ | |
| 133 { | |
| 134 fputc ('\n', stream_con->out); | |
| 135 fflush (stream_con->out); | |
| 136 } | |
| 137 if (stream_con->in != stdin) | |
| 771 | 138 retry_fclose (stream_con->in); |
| 428 | 139 |
| 3263 | 140 #ifndef NEW_GC |
|
4976
16112448d484
Rename xfree(FOO, TYPE) -> xfree(FOO)
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
141 xfree (stream_con); |
| 3092 | 142 #endif /* not NEW_GC */ |
| 428 | 143 CONSOLE_STREAM_DATA (con) = NULL; |
| 144 } | |
| 145 } | |
| 146 | |
| 147 Lisp_Object | |
| 148 stream_semi_canonicalize_console_connection (Lisp_Object connection, | |
| 2286 | 149 Error_Behavior UNUSED (errb)) |
| 428 | 150 { |
| 151 return NILP (connection) ? Vstdio_str : connection; | |
| 152 } | |
| 153 | |
| 154 Lisp_Object | |
| 155 stream_canonicalize_console_connection (Lisp_Object connection, | |
| 578 | 156 Error_Behavior errb) |
| 428 | 157 { |
| 158 if (NILP (connection) || internal_equal (connection, Vstdio_str, 0)) | |
| 159 return Vstdio_str; | |
| 160 | |
| 161 if (!ERRB_EQ (errb, ERROR_ME)) | |
| 162 { | |
| 163 if (!STRINGP (connection)) | |
| 164 return Qunbound; | |
| 165 } | |
| 166 else | |
| 167 CHECK_STRING (connection); | |
| 168 | |
| 169 return Ffile_truename (connection, Qnil); | |
| 170 } | |
| 171 | |
| 172 Lisp_Object | |
| 173 stream_semi_canonicalize_device_connection (Lisp_Object connection, | |
| 578 | 174 Error_Behavior errb) |
| 428 | 175 { |
| 176 return stream_semi_canonicalize_console_connection (connection, errb); | |
| 177 } | |
| 178 | |
| 179 Lisp_Object | |
| 180 stream_canonicalize_device_connection (Lisp_Object connection, | |
| 578 | 181 Error_Behavior errb) |
| 428 | 182 { |
| 183 return stream_canonicalize_console_connection (connection, errb); | |
| 184 } | |
| 185 | |
| 186 | |
| 187 static void | |
| 2286 | 188 stream_init_frame_1 (struct frame *f, Lisp_Object UNUSED (props), |
| 771 | 189 int frame_name_is_defaulted) |
| 428 | 190 { |
| 191 #if 0 | |
| 192 struct device *d = XDEVICE (FRAME_DEVICE (f)); | |
| 193 if (!NILP (DEVICE_FRAME_LIST (d))) | |
| 563 | 194 invalid_operation ("Only one frame allowed on stream devices", Qunbound); |
| 428 | 195 #endif |
| 771 | 196 if (frame_name_is_defaulted) |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4928
diff
changeset
|
197 f->name = build_ascstring ("stream"); |
| 428 | 198 f->height = 80; |
| 199 f->width = 24; | |
| 200 f->visible = 0; /* so redisplay doesn't try to do anything */ | |
| 201 } | |
| 202 | |
| 203 | |
| 204 static int | |
|
4928
ea701c23ed84
change text_width method to take a window, in preparation for unicode-internal changes
Ben Wing <ben@xemacs.org>
parents:
3263
diff
changeset
|
205 stream_text_width (struct window *UNUSED (w), |
| 2286 | 206 struct face_cachel *UNUSED (cachel), |
| 207 const Ichar *UNUSED (str), Charcount len) | |
| 428 | 208 { |
| 209 return len; | |
| 210 } | |
| 211 | |
| 212 static int | |
| 2286 | 213 stream_left_margin_width (struct window *UNUSED (w)) |
| 428 | 214 { |
| 215 return 0; | |
| 216 } | |
| 217 | |
| 218 static int | |
| 2286 | 219 stream_right_margin_width (struct window *UNUSED (w)) |
| 428 | 220 { |
| 221 return 0; | |
| 222 } | |
| 223 | |
| 224 static int | |
| 225 stream_divider_height (void) | |
| 226 { | |
| 227 return 1; | |
| 228 } | |
| 229 | |
| 230 static int | |
| 231 stream_eol_cursor_width (void) | |
| 232 { | |
| 233 return 1; | |
| 234 } | |
| 235 | |
| 1279 | 236 /* We used to try and check for redisplaying on stream devices (e.g. in |
| 237 redisplay_device(), and beg out if so. However, we didn't always manage | |
| 238 completely. Now we do manage completely, and to verify this we abort if | |
| 239 we try to display a stream device. This might fix some crashes I've | |
| 240 been getting in pdump -- the only difference between crash and non-crash | |
| 241 is a few changes to the redisplay critical-section handling. */ | |
| 242 | |
| 243 static void | |
| 2286 | 244 stream_window_output_begin (struct window *UNUSED (w)) |
| 1279 | 245 { |
| 2500 | 246 ABORT (); |
| 1279 | 247 } |
| 248 | |
| 249 static void | |
| 2286 | 250 stream_window_output_end (struct window *UNUSED (w)) |
| 1279 | 251 { |
| 2500 | 252 ABORT (); |
| 1279 | 253 } |
| 254 | |
| 255 static void | |
| 2286 | 256 stream_frame_output_begin (struct frame *UNUSED (f)) |
| 1279 | 257 { |
| 2500 | 258 ABORT (); |
| 1279 | 259 } |
| 260 | |
| 261 static void | |
| 2286 | 262 stream_frame_output_end (struct frame *UNUSED (f)) |
| 1279 | 263 { |
| 2500 | 264 ABORT (); |
| 1279 | 265 } |
| 266 | |
| 428 | 267 static void |
| 2286 | 268 stream_output_display_block (struct window *UNUSED (w), |
| 269 struct display_line *UNUSED (dl), | |
| 270 int UNUSED (block), int UNUSED (start), | |
| 271 int UNUSED (end), int UNUSED (start_pixpos), | |
| 272 int UNUSED (cursor_start), | |
| 273 int UNUSED (cursor_width), | |
| 274 int UNUSED (cursor_height)) | |
| 428 | 275 { |
| 2500 | 276 ABORT (); |
| 428 | 277 } |
| 278 | |
| 279 static void | |
| 2286 | 280 stream_clear_region (Lisp_Object UNUSED (window), struct device* UNUSED (d), |
| 281 struct frame *UNUSED (f), face_index UNUSED (findex), | |
| 282 int UNUSED (x), int UNUSED (y), int UNUSED (width), | |
| 283 int UNUSED (height), Lisp_Object UNUSED (fcolor), | |
| 284 Lisp_Object UNUSED (bcolor), | |
| 285 Lisp_Object UNUSED (background_pixmap)) | |
| 428 | 286 { |
| 2500 | 287 ABORT (); |
| 428 | 288 } |
| 289 | |
| 290 static int | |
| 2286 | 291 stream_flash (struct device *UNUSED (d)) |
| 428 | 292 { |
| 293 return 0; /* sorry can't do it */ | |
| 294 } | |
| 295 | |
| 296 static void | |
| 2286 | 297 stream_ring_bell (struct device *d, int UNUSED (volume), int UNUSED (pitch), |
| 298 int UNUSED (duration)) | |
| 428 | 299 { |
| 300 struct console *c = XCONSOLE (DEVICE_CONSOLE (d)); | |
| 826 | 301 /* Don't output ^G when not a TTY -- in particular, under MS Windows, ^G |
| 302 is interpreted as bell by the console, but not when running under | |
| 303 VC++. Probably this would be the same under Unix. */ | |
| 304 if (isatty (fileno (CONSOLE_STREAM_DATA (c)->out))) | |
| 305 { | |
| 306 fputc (07, CONSOLE_STREAM_DATA (c)->out); | |
| 307 fflush (CONSOLE_STREAM_DATA (c)->out); | |
| 308 } | |
| 428 | 309 } |
| 310 | |
| 311 | |
| 312 /************************************************************************/ | |
| 313 /* initialization */ | |
| 314 /************************************************************************/ | |
| 315 | |
| 316 void | |
| 317 console_type_create_stream (void) | |
| 318 { | |
| 319 INITIALIZE_CONSOLE_TYPE (stream, "stream", "console-stream-p"); | |
| 320 | |
| 321 /* console methods */ | |
| 322 CONSOLE_HAS_METHOD (stream, init_console); | |
| 323 CONSOLE_HAS_METHOD (stream, initially_selected_for_input); | |
| 324 CONSOLE_HAS_METHOD (stream, delete_console); | |
| 325 CONSOLE_HAS_METHOD (stream, canonicalize_console_connection); | |
| 326 CONSOLE_HAS_METHOD (stream, canonicalize_device_connection); | |
| 327 CONSOLE_HAS_METHOD (stream, semi_canonicalize_console_connection); | |
| 328 CONSOLE_HAS_METHOD (stream, semi_canonicalize_device_connection); | |
| 329 | |
| 330 /* device methods */ | |
| 331 CONSOLE_HAS_METHOD (stream, init_device); | |
| 332 | |
| 333 /* frame methods */ | |
| 334 CONSOLE_HAS_METHOD (stream, init_frame_1); | |
| 335 | |
| 336 /* redisplay methods */ | |
| 1279 | 337 CONSOLE_HAS_METHOD (stream, text_width); |
| 428 | 338 CONSOLE_HAS_METHOD (stream, left_margin_width); |
| 339 CONSOLE_HAS_METHOD (stream, right_margin_width); | |
| 340 CONSOLE_HAS_METHOD (stream, divider_height); | |
| 341 CONSOLE_HAS_METHOD (stream, eol_cursor_width); | |
| 1279 | 342 CONSOLE_HAS_METHOD (stream, window_output_begin); |
| 343 CONSOLE_HAS_METHOD (stream, window_output_end); | |
| 344 CONSOLE_HAS_METHOD (stream, frame_output_begin); | |
| 345 CONSOLE_HAS_METHOD (stream, frame_output_end); | |
| 346 CONSOLE_HAS_METHOD (stream, output_display_block); | |
| 428 | 347 CONSOLE_HAS_METHOD (stream, clear_region); |
| 348 CONSOLE_HAS_METHOD (stream, flash); | |
| 349 CONSOLE_HAS_METHOD (stream, ring_bell); | |
| 350 } | |
| 351 | |
| 352 void | |
| 353 reinit_console_type_create_stream (void) | |
| 354 { | |
| 355 REINITIALIZE_CONSOLE_TYPE (stream); | |
| 356 } | |
| 357 | |
| 358 void | |
| 359 vars_of_console_stream (void) | |
| 360 { | |
| 361 DEFVAR_LISP ("terminal-console", &Vterminal_console /* | |
| 444 | 362 The initial console object, which represents XEmacs' stdout. |
| 428 | 363 */ ); |
| 364 Vterminal_console = Qnil; | |
| 365 | |
| 366 DEFVAR_LISP ("terminal-device", &Vterminal_device /* | |
| 444 | 367 The initial device object, which represents XEmacs' stdout. |
| 428 | 368 */ ); |
| 369 Vterminal_device = Qnil; | |
| 370 | |
| 371 DEFVAR_LISP ("terminal-frame", &Vterminal_frame /* | |
| 444 | 372 The initial frame object, which represents XEmacs' stdout. |
| 428 | 373 */ ); |
| 374 Vterminal_frame = Qnil; | |
| 375 | |
| 376 /* Moved from console-tty.c */ | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4928
diff
changeset
|
377 Vstdio_str = build_ascstring ("stdio"); |
| 428 | 378 staticpro (&Vstdio_str); |
| 379 } | |
| 380 | |
| 381 #ifndef PDUMP | |
| 382 void | |
| 2342 | 383 init_console_stream (int UNUSED (reinit)) |
| 428 | 384 { |
| 385 /* This function can GC */ | |
| 386 if (!initialized) | |
| 387 { | |
| 388 Vterminal_device = Fmake_device (Qstream, Qnil, Qnil); | |
| 389 Vterminal_console = Fdevice_console (Vterminal_device); | |
| 390 Vterminal_frame = Fmake_frame (Qnil, Vterminal_device); | |
| 391 minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window; | |
| 392 } | |
| 393 else | |
| 394 { | |
| 395 /* Re-initialize the FILE fields of the console. */ | |
| 396 stream_init_console (XCONSOLE (Vterminal_console), Qnil); | |
| 397 if (noninteractive) | |
| 398 event_stream_select_console (XCONSOLE (Vterminal_console)); | |
| 399 } | |
| 400 } | |
| 401 | |
| 402 #else | |
| 403 | |
| 404 void | |
| 442 | 405 init_console_stream (int reinit) |
| 428 | 406 { |
| 407 /* This function can GC */ | |
| 442 | 408 if (!reinit) |
| 409 { | |
| 410 Vterminal_device = Fmake_device (Qstream, Qnil, Qnil); | |
| 411 Vterminal_console = Fdevice_console (Vterminal_device); | |
| 412 Vterminal_frame = Fmake_frame (Qnil, Vterminal_device); | |
| 413 minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window; | |
| 414 } | |
| 428 | 415 if (initialized) |
| 416 { | |
| 417 stream_init_console (XCONSOLE (Vterminal_console), Qnil); | |
| 418 if (noninteractive) | |
| 419 event_stream_select_console (XCONSOLE (Vterminal_console)); | |
| 420 } | |
| 421 } | |
| 422 #endif |