Commit | Line | Data |
---|---|---|
e6b20d65 | 1 | /* Terminal hooks for GNU Emacs on the Microsoft W32 API. |
8c2ac482 | 2 | Copyright (C) 1992, 1999 Free Software Foundation, Inc. |
6cdfb6e6 | 3 | |
3b7ad313 EN |
4 | This file is part of GNU Emacs. |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; 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. | |
6cdfb6e6 RS |
20 | |
21 | Tim Fleehart (apollo@online.com) 1-17-92 | |
22 | Geoff Voelker (voelker@cs.washington.edu) 9-12-93 | |
23 | */ | |
24 | ||
25 | ||
6816efce GV |
26 | #include <config.h> |
27 | ||
6cdfb6e6 RS |
28 | #include <stdlib.h> |
29 | #include <stdio.h> | |
6cdfb6e6 | 30 | #include <windows.h> |
338b1bb2 | 31 | #include <string.h> |
6cdfb6e6 RS |
32 | |
33 | #include "lisp.h" | |
2091aeb2 | 34 | #include "charset.h" |
8c2ac482 | 35 | #include "coding.h" |
6cdfb6e6 RS |
36 | #include "disptab.h" |
37 | #include "termhooks.h" | |
65fb143c JR |
38 | /* Disable features in dispextern.h that require a Window System. */ |
39 | #undef HAVE_WINDOW_SYSTEM | |
40 | #include "frame.h" | |
489f9371 | 41 | #include "w32inevt.h" |
8c2ac482 | 42 | #include "dispextern.h" |
6cdfb6e6 | 43 | |
0534d577 | 44 | /* from window.c */ |
6cdfb6e6 RS |
45 | extern Lisp_Object Frecenter (); |
46 | ||
47 | /* from keyboard.c */ | |
48 | extern int detect_input_pending (); | |
49 | ||
50 | /* from sysdep.c */ | |
51 | extern int read_input_pending (); | |
52 | ||
8c2ac482 | 53 | extern struct frame * updating_frame; |
6cdfb6e6 RS |
54 | extern int meta_key; |
55 | ||
56 | static void move_cursor (int row, int col); | |
57 | static void clear_to_end (void); | |
58 | static void clear_frame (void); | |
59 | static void clear_end_of_line (int); | |
60 | static void ins_del_lines (int vpos, int n); | |
8c2ac482 | 61 | static void change_line_highlight (int, int, int, int); |
6cdfb6e6 | 62 | static void reassert_line_highlight (int, int); |
8c2ac482 JR |
63 | static void insert_glyphs (struct glyph *start, int len); |
64 | static void write_glyphs (struct glyph *string, int len); | |
6cdfb6e6 | 65 | static void delete_glyphs (int n); |
fbd6baed | 66 | void w32_sys_ring_bell (void); |
6cdfb6e6 RS |
67 | static void reset_terminal_modes (void); |
68 | static void set_terminal_modes (void); | |
69 | static void set_terminal_window (int size); | |
8c2ac482 JR |
70 | static void update_begin (struct frame * f); |
71 | static void update_end (struct frame * f); | |
338b1bb2 JR |
72 | static WORD w32_face_attributes (struct frame *f, int face_id); |
73 | static int hl_mode (int new_highlight); | |
6cdfb6e6 | 74 | |
338b1bb2 JR |
75 | static COORD cursor_coords; |
76 | static HANDLE prev_screen, cur_screen; | |
77 | static WORD char_attr_normal; | |
78 | static DWORD prev_console_mode; | |
6cdfb6e6 | 79 | |
3e671d90 | 80 | #ifndef USE_SEPARATE_SCREEN |
338b1bb2 | 81 | static CONSOLE_CURSOR_INFO prev_console_cursor; |
3e671d90 GV |
82 | #endif |
83 | ||
191100f2 AI |
84 | /* Determine whether to make frame dimensions match the screen buffer, |
85 | or the current window size. The former is desirable when running | |
86 | over telnet, while the latter is more useful when working directly at | |
87 | the console with a large scroll-back buffer. */ | |
88 | int w32_use_full_screen_buffer; | |
338b1bb2 | 89 | HANDLE keyboard_handle; |
191100f2 | 90 | |
6cdfb6e6 RS |
91 | |
92 | /* Setting this as the ctrl handler prevents emacs from being killed when | |
40d578c9 RS |
93 | someone hits ^C in a 'suspended' session (child shell). |
94 | Also ignore Ctrl-Break signals. */ | |
95 | ||
6cdfb6e6 RS |
96 | BOOL |
97 | ctrl_c_handler (unsigned long type) | |
98 | { | |
3e671d90 GV |
99 | /* Only ignore "interrupt" events when running interactively. */ |
100 | return (!noninteractive | |
101 | && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT)); | |
6cdfb6e6 RS |
102 | } |
103 | ||
104 | /* If we're updating a frame, use it as the current frame | |
105 | Otherwise, use the selected frame. */ | |
8c2ac482 | 106 | #define PICK_FRAME() (updating_frame ? updating_frame : SELECTED_FRAME ()) |
6cdfb6e6 RS |
107 | |
108 | /* Move the cursor to (row, col). */ | |
109 | void | |
110 | move_cursor (int row, int col) | |
111 | { | |
112 | cursor_coords.X = col; | |
113 | cursor_coords.Y = row; | |
114 | ||
8c2ac482 | 115 | if (updating_frame == (struct frame *) NULL) |
6cdfb6e6 RS |
116 | { |
117 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
118 | } | |
119 | } | |
120 | ||
121 | /* Clear from cursor to end of screen. */ | |
122 | void | |
123 | clear_to_end (void) | |
124 | { | |
8c2ac482 | 125 | struct frame * f = PICK_FRAME (); |
6cdfb6e6 RS |
126 | |
127 | clear_end_of_line (FRAME_WIDTH (f) - 1); | |
128 | ins_del_lines (cursor_coords.Y, FRAME_HEIGHT (f) - cursor_coords.Y - 1); | |
129 | } | |
130 | ||
131 | /* Clear the frame. */ | |
132 | void | |
133 | clear_frame (void) | |
134 | { | |
8c2ac482 | 135 | struct frame * f = PICK_FRAME (); |
b47278e1 GV |
136 | COORD dest; |
137 | int n, r; | |
a5404e3a AI |
138 | CONSOLE_SCREEN_BUFFER_INFO info; |
139 | ||
140 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 141 | |
6cdfb6e6 | 142 | hl_mode (0); |
338b1bb2 | 143 | |
a5404e3a AI |
144 | /* Remember that the screen buffer might be wider than the window. */ |
145 | n = FRAME_HEIGHT (f) * info.dwSize.X; | |
b47278e1 GV |
146 | dest.X = dest.Y = 0; |
147 | ||
338b1bb2 | 148 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
149 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
150 | ||
6cdfb6e6 RS |
151 | move_cursor (0, 0); |
152 | } | |
153 | ||
154 | ||
8c2ac482 | 155 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
156 | static BOOL ceol_initialized = FALSE; |
157 | ||
158 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
159 | void | |
160 | clear_end_of_line (int end) | |
161 | { | |
162 | if (!ceol_initialized) | |
163 | { | |
164 | int i; | |
165 | for (i = 0; i < 256; i++) | |
166 | { | |
8c2ac482 | 167 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
168 | } |
169 | ceol_initialized = TRUE; | |
170 | } | |
171 | write_glyphs (glyph_base, end - cursor_coords.X); /* fencepost ? */ | |
172 | } | |
173 | ||
174 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
175 | void | |
176 | ins_del_lines (int vpos, int n) | |
177 | { | |
178 | int i, nb, save_highlight; | |
179 | SMALL_RECT scroll; | |
180 | COORD dest; | |
181 | CHAR_INFO fill; | |
8c2ac482 | 182 | struct frame * f = PICK_FRAME (); |
6cdfb6e6 RS |
183 | |
184 | if (n < 0) | |
185 | { | |
186 | scroll.Top = vpos - n; | |
187 | scroll.Bottom = FRAME_HEIGHT (f); | |
188 | dest.Y = vpos; | |
189 | } | |
190 | else | |
191 | { | |
192 | scroll.Top = vpos; | |
193 | scroll.Bottom = FRAME_HEIGHT (f) - n; | |
194 | dest.Y = vpos + n; | |
195 | } | |
196 | scroll.Left = 0; | |
197 | scroll.Right = FRAME_WIDTH (f); | |
198 | ||
199 | dest.X = 0; | |
200 | ||
201 | save_highlight = hl_mode (0); | |
202 | ||
203 | fill.Char.AsciiChar = 0x20; | |
338b1bb2 | 204 | fill.Attributes = char_attr_normal; |
6cdfb6e6 RS |
205 | |
206 | ScrollConsoleScreenBuffer (cur_screen, &scroll, NULL, dest, &fill); | |
207 | ||
fbd6baed | 208 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
209 | region looks like abc and we scroll c to a and fill with d we get |
210 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
211 | Emacs expects cdd consistently... So we have to deal with that | |
212 | here... (this also occurs scrolling the same way in the other | |
213 | direction. */ | |
214 | ||
215 | if (n > 0) | |
216 | { | |
217 | if (scroll.Bottom < dest.Y) | |
218 | { | |
219 | for (i = scroll.Bottom; i < dest.Y; i++) | |
220 | { | |
221 | move_cursor (i, 0); | |
222 | clear_end_of_line (FRAME_WIDTH (f)); | |
223 | } | |
224 | } | |
225 | } | |
226 | else | |
227 | { | |
228 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
229 | ||
230 | if (nb < scroll.Top) | |
231 | { | |
232 | for (i = nb; i < scroll.Top; i++) | |
233 | { | |
234 | move_cursor (i, 0); | |
235 | clear_end_of_line (FRAME_WIDTH (f)); | |
236 | } | |
237 | } | |
238 | } | |
239 | ||
240 | cursor_coords.X = 0; | |
241 | cursor_coords.Y = vpos; | |
242 | ||
243 | hl_mode (save_highlight); | |
244 | } | |
245 | ||
246 | /* Changes attribute to use when drawing characters to control. */ | |
247 | static int | |
248 | hl_mode (int new_highlight) | |
249 | { | |
250 | static int highlight = 0; | |
251 | int old_highlight; | |
252 | ||
253 | old_highlight = highlight; | |
254 | highlight = (new_highlight != 0); | |
338b1bb2 | 255 | |
6cdfb6e6 RS |
256 | return old_highlight; |
257 | } | |
258 | ||
259 | /* Call this when about to modify line at position VPOS and change whether it | |
260 | is highlighted. */ | |
261 | void | |
8c2ac482 JR |
262 | change_line_highlight (int new_highlight, int vpos, int y, |
263 | int first_unused_hpos) | |
6cdfb6e6 RS |
264 | { |
265 | hl_mode (new_highlight); | |
266 | move_cursor (vpos, 0); | |
267 | clear_end_of_line (first_unused_hpos); | |
268 | } | |
269 | ||
270 | /* External interface to control of standout mode. Call this when about to | |
271 | * modify line at position VPOS and not change whether it is highlighted. */ | |
272 | void | |
273 | reassert_line_highlight (int highlight, int vpos) | |
274 | { | |
275 | hl_mode (highlight); | |
276 | vpos; /* pedantic compiler silencer */ | |
277 | } | |
278 | ||
279 | #undef LEFT | |
280 | #undef RIGHT | |
281 | #define LEFT 1 | |
282 | #define RIGHT 0 | |
283 | ||
284 | void | |
285 | scroll_line (int dist, int direction) | |
286 | { | |
287 | /* The idea here is to implement a horizontal scroll in one line to | |
288 | implement delete and half of insert. */ | |
289 | SMALL_RECT scroll; | |
290 | COORD dest; | |
291 | CHAR_INFO fill; | |
8c2ac482 | 292 | struct frame * f = PICK_FRAME (); |
6cdfb6e6 RS |
293 | |
294 | scroll.Top = cursor_coords.Y; | |
295 | scroll.Bottom = cursor_coords.Y; | |
296 | ||
297 | if (direction == LEFT) | |
298 | { | |
299 | scroll.Left = cursor_coords.X + dist; | |
300 | scroll.Right = FRAME_WIDTH (f) - 1; | |
301 | } | |
302 | else | |
303 | { | |
304 | scroll.Left = cursor_coords.X; | |
305 | scroll.Right = FRAME_WIDTH (f) - dist - 1; | |
306 | } | |
307 | ||
308 | dest.X = cursor_coords.X; | |
309 | dest.Y = cursor_coords.Y; | |
310 | ||
311 | fill.Char.AsciiChar = 0x20; | |
338b1bb2 JR |
312 | fill.Attributes = char_attr_normal; |
313 | ||
6cdfb6e6 RS |
314 | ScrollConsoleScreenBuffer (cur_screen, &scroll, NULL, dest, &fill); |
315 | } | |
316 | ||
317 | ||
318 | /* If start is zero insert blanks instead of a string at start ?. */ | |
319 | void | |
8c2ac482 | 320 | insert_glyphs (register struct glyph *start, register int len) |
6cdfb6e6 RS |
321 | { |
322 | scroll_line (len, RIGHT); | |
323 | ||
324 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
325 | if (start) | |
326 | { | |
327 | /* Print the first len characters of start, cursor_coords.X adjusted | |
328 | by write_glyphs. */ | |
329 | ||
330 | write_glyphs (start, len); | |
331 | } | |
332 | else | |
333 | { | |
334 | clear_end_of_line (cursor_coords.X + len); | |
335 | } | |
336 | } | |
337 | ||
338 | void | |
8c2ac482 | 339 | write_glyphs (register struct glyph *string, register int len) |
6cdfb6e6 | 340 | { |
8c2ac482 JR |
341 | int produced, consumed, i; |
342 | struct frame * f = PICK_FRAME (); | |
338b1bb2 | 343 | WORD char_attr; |
4d5d6aab KH |
344 | unsigned char conversion_buffer[1024]; |
345 | int conversion_buffer_size = sizeof conversion_buffer; | |
338b1bb2 JR |
346 | |
347 | if (len <= 0) | |
348 | return; | |
b47278e1 | 349 | |
8c2ac482 JR |
350 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
351 | the tail. */ | |
352 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
6cdfb6e6 | 353 | |
8c2ac482 | 354 | while (len > 0) |
6cdfb6e6 | 355 | { |
8c2ac482 JR |
356 | /* Identify a run of glyphs with the same face. */ |
357 | int face_id = string->face_id; | |
358 | int n; | |
359 | ||
360 | for (n = 1; n < len; ++n) | |
361 | if (string[n].face_id != face_id) | |
362 | break; | |
363 | ||
364 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 365 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 JR |
366 | |
367 | while (n > 0) | |
368 | { | |
4d5d6aab KH |
369 | /* We use a fixed size (1024 bytes) of conversion buffer. |
370 | Usually it is sufficient, but if not, we just repeat the | |
371 | loop. */ | |
8c2ac482 JR |
372 | produced = encode_terminal_code (string, conversion_buffer, |
373 | n, conversion_buffer_size, | |
374 | &consumed); | |
375 | if (produced > 0) | |
376 | { | |
377 | /* Set the attribute for these characters. */ | |
378 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
379 | produced, cursor_coords, &i)) | |
380 | { | |
381 | printf ("Failed writing console attributes: %d\n", | |
382 | GetLastError ()); | |
383 | fflush (stdout); | |
384 | } | |
385 | ||
386 | /* Write the characters. */ | |
387 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, | |
388 | produced, cursor_coords, &i)) | |
389 | { | |
390 | printf ("Failed writing console characters: %d\n", | |
391 | GetLastError ()); | |
392 | fflush (stdout); | |
393 | } | |
394 | ||
395 | cursor_coords.X += produced; | |
396 | move_cursor (cursor_coords.Y, cursor_coords.X); | |
397 | } | |
398 | len -= consumed; | |
399 | n -= consumed; | |
400 | string += consumed; | |
401 | } | |
6cdfb6e6 RS |
402 | } |
403 | ||
8c2ac482 JR |
404 | /* We may have to output some codes to terminate the writing. */ |
405 | if (CODING_REQUIRE_FLUSHING (&terminal_coding)) | |
6cdfb6e6 | 406 | { |
8c2ac482 JR |
407 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
408 | encode_coding (&terminal_coding, "", conversion_buffer, | |
409 | 0, conversion_buffer_size); | |
410 | if (terminal_coding.produced > 0) | |
411 | { | |
338b1bb2 | 412 | if (!FillConsoleOutputAttribute (cur_screen, char_attr_normal, |
8c2ac482 JR |
413 | terminal_coding.produced, |
414 | cursor_coords, &i)) | |
415 | { | |
416 | printf ("Failed writing console attributes: %d\n", | |
417 | GetLastError ()); | |
418 | fflush (stdout); | |
419 | } | |
420 | ||
421 | /* Write the characters. */ | |
422 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, | |
423 | produced, cursor_coords, &i)) | |
424 | { | |
425 | printf ("Failed writing console characters: %d\n", | |
426 | GetLastError ()); | |
427 | fflush (stdout); | |
428 | } | |
429 | } | |
6cdfb6e6 | 430 | } |
6cdfb6e6 RS |
431 | } |
432 | ||
8c2ac482 | 433 | |
6cdfb6e6 RS |
434 | void |
435 | delete_glyphs (int n) | |
436 | { | |
437 | /* delete chars means scroll chars from cursor_coords.X + n to | |
438 | cursor_coords.X, anything beyond the edge of the screen should | |
439 | come out empty... */ | |
440 | ||
441 | scroll_line (n, LEFT); | |
442 | } | |
443 | ||
0534d577 | 444 | static unsigned int sound_type = 0xFFFFFFFF; |
78859b80 | 445 | #define MB_EMACS_SILENT (0xFFFFFFFF - 1) |
0534d577 | 446 | |
6cdfb6e6 | 447 | void |
fbd6baed | 448 | w32_sys_ring_bell (void) |
6cdfb6e6 | 449 | { |
0534d577 | 450 | if (sound_type == 0xFFFFFFFF) |
78859b80 | 451 | { |
0534d577 | 452 | Beep (666, 100); |
78859b80 GV |
453 | } |
454 | else if (sound_type == MB_EMACS_SILENT) | |
455 | { | |
456 | /* Do nothing. */ | |
457 | } | |
0534d577 | 458 | else |
78859b80 | 459 | MessageBeep (sound_type); |
6cdfb6e6 RS |
460 | } |
461 | ||
0534d577 KH |
462 | DEFUN ("set-message-beep", Fset_message_beep, Sset_message_beep, 1, 1, 0, |
463 | "Set the sound generated when the bell is rung.\n\ | |
78859b80 GV |
464 | SOUND is 'asterisk, 'exclamation, 'hand, 'question, 'ok, or 'silent\n\ |
465 | to use the corresponding system sound for the bell. The 'silent sound\n\ | |
466 | prevents Emacs from making any sound at all.\n\ | |
0534d577 KH |
467 | SOUND is nil to use the normal beep.") |
468 | (sound) | |
469 | Lisp_Object sound; | |
6cdfb6e6 | 470 | { |
0534d577 KH |
471 | CHECK_SYMBOL (sound, 0); |
472 | ||
473 | if (NILP (sound)) | |
474 | sound_type = 0xFFFFFFFF; | |
475 | else if (EQ (sound, intern ("asterisk"))) | |
476 | sound_type = MB_ICONASTERISK; | |
477 | else if (EQ (sound, intern ("exclamation"))) | |
478 | sound_type = MB_ICONEXCLAMATION; | |
479 | else if (EQ (sound, intern ("hand"))) | |
480 | sound_type = MB_ICONHAND; | |
481 | else if (EQ (sound, intern ("question"))) | |
482 | sound_type = MB_ICONQUESTION; | |
483 | else if (EQ (sound, intern ("ok"))) | |
484 | sound_type = MB_OK; | |
78859b80 GV |
485 | else if (EQ (sound, intern ("silent"))) |
486 | sound_type = MB_EMACS_SILENT; | |
0534d577 KH |
487 | else |
488 | sound_type = 0xFFFFFFFF; | |
489 | ||
490 | return sound; | |
6cdfb6e6 | 491 | } |
6cdfb6e6 RS |
492 | |
493 | void | |
494 | reset_terminal_modes (void) | |
495 | { | |
338b1bb2 JR |
496 | hl_mode (0); |
497 | ||
3e671d90 | 498 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 499 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
500 | #else |
501 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
502 | #endif | |
503 | SetConsoleMode (keyboard_handle, prev_console_mode); | |
6cdfb6e6 RS |
504 | } |
505 | ||
506 | void | |
507 | set_terminal_modes (void) | |
508 | { | |
509 | CONSOLE_CURSOR_INFO cci; | |
510 | ||
338b1bb2 JR |
511 | hl_mode (0); |
512 | ||
3e671d90 GV |
513 | /* make cursor big and visible (100 on Win95 makes it disappear) */ |
514 | cci.dwSize = 99; | |
515 | cci.bVisible = TRUE; | |
516 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 517 | |
3e671d90 | 518 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 519 | |
3e671d90 | 520 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 521 | |
3e671d90 GV |
522 | /* Initialize input mode: interrupt_input off, no flow control, allow |
523 | 8 bit character input, standard quit char. */ | |
524 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
525 | } |
526 | ||
527 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
528 | clumps rather than one-character-at-a-time... | |
529 | ||
530 | we'll start with not moving the cursor while an update is in progress. */ | |
531 | void | |
8c2ac482 | 532 | update_begin (struct frame * f) |
6cdfb6e6 | 533 | { |
338b1bb2 | 534 | hl_mode (0); |
6cdfb6e6 RS |
535 | } |
536 | ||
537 | void | |
8c2ac482 | 538 | update_end (struct frame * f) |
6cdfb6e6 | 539 | { |
338b1bb2 | 540 | hl_mode (0); |
6cdfb6e6 RS |
541 | SetConsoleCursorPosition (cur_screen, cursor_coords); |
542 | } | |
543 | ||
544 | void | |
545 | set_terminal_window (int size) | |
546 | { | |
547 | } | |
548 | ||
8c2ac482 JR |
549 | /*********************************************************************** |
550 | Faces | |
551 | ***********************************************************************/ | |
552 | ||
553 | ||
554 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
555 | ||
338b1bb2 JR |
556 | static WORD |
557 | w32_face_attributes (f, face_id) | |
8c2ac482 JR |
558 | struct frame *f; |
559 | int face_id; | |
560 | { | |
338b1bb2 JR |
561 | WORD char_attr; |
562 | int highlight_on_p; | |
8c2ac482 JR |
563 | struct face *face = FACE_FROM_ID (f, face_id); |
564 | ||
338b1bb2 JR |
565 | highlight_on_p = hl_mode (0); |
566 | hl_mode (highlight_on_p); | |
567 | ||
8c2ac482 JR |
568 | xassert (face != NULL); |
569 | ||
570 | char_attr = char_attr_normal; | |
571 | ||
338b1bb2 JR |
572 | if (face->foreground != FACE_TTY_DEFAULT_FG_COLOR |
573 | && face->foreground != FACE_TTY_DEFAULT_COLOR) | |
574 | char_attr = (char_attr & 0xfff0) + (face->foreground % 16); | |
575 | ||
576 | if (face->background != FACE_TTY_DEFAULT_BG_COLOR | |
577 | && face->background != FACE_TTY_DEFAULT_COLOR) | |
578 | char_attr = (char_attr & 0xff0f) + ((face->background % 16) * 16); | |
579 | ||
8c2ac482 | 580 | |
338b1bb2 JR |
581 | /* Ensure readability (temporary measure until this all works) */ |
582 | if (((char_attr & 0x00f0) >> 4) == (char_attr & 0x000f)) | |
583 | char_attr ^= 0x0007; | |
8c2ac482 | 584 | |
338b1bb2 JR |
585 | if (face->tty_reverse_p || highlight_on_p) |
586 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) | |
587 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 588 | |
338b1bb2 | 589 | return char_attr; |
8c2ac482 JR |
590 | } |
591 | ||
592 | ||
338b1bb2 | 593 | /* Emulation of some X window features from xfns.c and xfaces.c. */ |
8c2ac482 | 594 | |
338b1bb2 JR |
595 | extern char unspecified_fg[], unspecified_bg[]; |
596 | ||
597 | ||
598 | /* Given a color index, return its standard name. */ | |
599 | Lisp_Object | |
600 | vga_stdcolor_name (int idx) | |
8c2ac482 | 601 | { |
338b1bb2 JR |
602 | /* Standard VGA colors, in the order of their standard numbering |
603 | in the default VGA palette. */ | |
604 | static char *vga_colors[16] = { | |
605 | "black", "blue", "green", "cyan", "red", "magenta", "brown", | |
606 | "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan", | |
607 | "lightred", "lightmagenta", "yellow", "white" | |
608 | }; | |
609 | ||
610 | extern Lisp_Object Qunspecified; | |
611 | ||
612 | if (idx >= 0 && idx < sizeof (vga_colors) / sizeof (vga_colors[0])) | |
613 | return build_string (vga_colors[idx]); | |
614 | else | |
615 | return Qunspecified; /* meaning the default */ | |
8c2ac482 | 616 | } |
338b1bb2 | 617 | |
6cdfb6e6 RS |
618 | typedef int (*term_hook) (); |
619 | ||
620 | void | |
e6b20d65 | 621 | initialize_w32_display (void) |
6cdfb6e6 RS |
622 | { |
623 | CONSOLE_SCREEN_BUFFER_INFO info; | |
624 | ||
f3d268f9 GV |
625 | cursor_to_hook = move_cursor; |
626 | raw_cursor_to_hook = move_cursor; | |
627 | clear_to_end_hook = clear_to_end; | |
628 | clear_frame_hook = clear_frame; | |
629 | clear_end_of_line_hook = clear_end_of_line; | |
630 | ins_del_lines_hook = ins_del_lines; | |
631 | change_line_highlight_hook = change_line_highlight; | |
632 | reassert_line_highlight_hook = reassert_line_highlight; | |
633 | insert_glyphs_hook = insert_glyphs; | |
634 | write_glyphs_hook = write_glyphs; | |
635 | delete_glyphs_hook = delete_glyphs; | |
636 | ring_bell_hook = w32_sys_ring_bell; | |
637 | reset_terminal_modes_hook = reset_terminal_modes; | |
638 | set_terminal_modes_hook = set_terminal_modes; | |
639 | set_terminal_window_hook = set_terminal_window; | |
640 | update_begin_hook = update_begin; | |
641 | update_end_hook = update_end; | |
6cdfb6e6 | 642 | |
fbd6baed | 643 | read_socket_hook = w32_console_read_socket; |
f3d268f9 | 644 | mouse_position_hook = w32_console_mouse_position; |
8c2ac482 | 645 | estimate_mode_line_height_hook = 0; |
3e671d90 | 646 | |
c1e06681 AI |
647 | /* Initialize interrupt_handle. */ |
648 | init_crit (); | |
649 | ||
3e671d90 GV |
650 | /* Remember original console settings. */ |
651 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
652 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
653 | ||
6cdfb6e6 RS |
654 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
655 | ||
3e671d90 GV |
656 | #ifdef USE_SEPARATE_SCREEN |
657 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
658 | 0, NULL, | |
659 | CONSOLE_TEXTMODE_BUFFER, | |
660 | NULL); | |
661 | ||
662 | if (cur_screen == INVALID_HANDLE_VALUE) | |
663 | { | |
664 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
665 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
666 | fflush (stdout); | |
667 | exit (0); | |
668 | } | |
669 | #else | |
670 | cur_screen = prev_screen; | |
671 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
672 | #endif | |
673 | ||
191100f2 AI |
674 | /* Respect setting of LINES and COLUMNS environment variables. */ |
675 | { | |
676 | char * lines = getenv("LINES"); | |
677 | char * columns = getenv("COLUMNS"); | |
678 | ||
679 | if (lines != NULL && columns != NULL) | |
680 | { | |
681 | SMALL_RECT new_win_dims; | |
682 | COORD new_size; | |
683 | ||
684 | new_size.X = atoi (columns); | |
685 | new_size.Y = atoi (lines); | |
686 | ||
687 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
688 | ||
689 | /* Shrink the window first, so the buffer dimensions can be | |
690 | reduced if necessary. */ | |
691 | new_win_dims.Top = 0; | |
692 | new_win_dims.Left = 0; | |
693 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
694 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
695 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
696 | ||
697 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
698 | ||
699 | /* Set the window size to match the buffer dimension. */ | |
700 | new_win_dims.Top = 0; | |
701 | new_win_dims.Left = 0; | |
702 | new_win_dims.Bottom = new_size.Y - 1; | |
703 | new_win_dims.Right = new_size.X - 1; | |
704 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
705 | } | |
706 | } | |
707 | ||
6cdfb6e6 RS |
708 | GetConsoleScreenBufferInfo (cur_screen, &info); |
709 | ||
710 | meta_key = 1; | |
338b1bb2 JR |
711 | char_attr_normal = info.wAttributes; |
712 | hl_mode (0); | |
938469f2 | 713 | |
191100f2 AI |
714 | if (w32_use_full_screen_buffer) |
715 | { | |
8c2ac482 JR |
716 | FRAME_HEIGHT (SELECTED_FRAME ()) = info.dwSize.Y; /* lines per page */ |
717 | SET_FRAME_WIDTH (SELECTED_FRAME (), info.dwSize.X); /* characters per line */ | |
191100f2 AI |
718 | } |
719 | else | |
720 | { | |
721 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
8c2ac482 | 722 | FRAME_HEIGHT (SELECTED_FRAME ()) = 1 + info.srWindow.Bottom - |
191100f2 AI |
723 | info.srWindow.Top; |
724 | /* Characters per line. Use buffer coords instead of buffer size. */ | |
8c2ac482 | 725 | SET_FRAME_WIDTH (SELECTED_FRAME (), 1 + info.srWindow.Right - |
191100f2 AI |
726 | info.srWindow.Left); |
727 | } | |
65fb143c JR |
728 | |
729 | /* Setup w32_display_info structure for this frame. */ | |
730 | ||
731 | w32_initialize_display_info (build_string ("Console")); | |
732 | ||
6cdfb6e6 RS |
733 | } |
734 | ||
735 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, | |
736 | "Set screen colors.") | |
737 | (foreground, background) | |
738 | Lisp_Object foreground; | |
739 | Lisp_Object background; | |
740 | { | |
741 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
742 | |
743 | Frecenter (Qnil); | |
744 | return Qt; | |
745 | } | |
746 | ||
747 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, | |
748 | "Set cursor size.") | |
749 | (size) | |
750 | Lisp_Object size; | |
751 | { | |
752 | CONSOLE_CURSOR_INFO cci; | |
753 | cci.dwSize = XFASTINT (size); | |
754 | cci.bVisible = TRUE; | |
755 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
756 | ||
757 | return Qt; | |
758 | } | |
759 | ||
6e72ba86 | 760 | #ifndef HAVE_NTGUI |
6cdfb6e6 | 761 | void |
8c2ac482 | 762 | pixel_to_glyph_coords (struct frame * f, int pix_x, int pix_y, int *x, int *y, |
6cdfb6e6 RS |
763 | void *bounds, int noclip) |
764 | { | |
765 | *x = pix_x; | |
766 | *y = pix_y; | |
767 | } | |
768 | ||
769 | void | |
5101dbdf | 770 | glyph_to_pixel_coords (struct window * f, int x, int y, int *pix_x, int *pix_y) |
6cdfb6e6 RS |
771 | { |
772 | *pix_x = x; | |
773 | *pix_y = y; | |
774 | } | |
6e72ba86 | 775 | #endif /* !HAVE_NTGUI */ |
6cdfb6e6 | 776 | |
0534d577 | 777 | void |
6cdfb6e6 RS |
778 | syms_of_ntterm () |
779 | { | |
191100f2 AI |
780 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
781 | &w32_use_full_screen_buffer, | |
782 | "Non-nil means make terminal frames use the full screen buffer dimensions.\n\ | |
783 | This is desirable when running Emacs over telnet, and is the default.\n\ | |
784 | A value of nil means use the current console window dimensions; this\n\ | |
785 | may be preferrable when working directly at the console with a large\n\ | |
786 | scroll-back buffer."); | |
787 | w32_use_full_screen_buffer = 1; | |
788 | ||
6cdfb6e6 RS |
789 | defsubr (&Sset_screen_color); |
790 | defsubr (&Sset_cursor_size); | |
0534d577 | 791 | defsubr (&Sset_message_beep); |
6cdfb6e6 | 792 | } |