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 | |
84f5bd81 AI |
44 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
45 | ||
0534d577 | 46 | /* from window.c */ |
6cdfb6e6 RS |
47 | extern Lisp_Object Frecenter (); |
48 | ||
49 | /* from keyboard.c */ | |
50 | extern int detect_input_pending (); | |
51 | ||
52 | /* from sysdep.c */ | |
53 | extern int read_input_pending (); | |
54 | ||
8c2ac482 | 55 | extern struct frame * updating_frame; |
6cdfb6e6 RS |
56 | extern int meta_key; |
57 | ||
58 | static void move_cursor (int row, int col); | |
59 | static void clear_to_end (void); | |
60 | static void clear_frame (void); | |
61 | static void clear_end_of_line (int); | |
62 | static void ins_del_lines (int vpos, int n); | |
8c2ac482 | 63 | static void change_line_highlight (int, int, int, int); |
6cdfb6e6 | 64 | static void reassert_line_highlight (int, int); |
8c2ac482 JR |
65 | static void insert_glyphs (struct glyph *start, int len); |
66 | static void write_glyphs (struct glyph *string, int len); | |
6cdfb6e6 | 67 | static void delete_glyphs (int n); |
fbd6baed | 68 | void w32_sys_ring_bell (void); |
6cdfb6e6 RS |
69 | static void reset_terminal_modes (void); |
70 | static void set_terminal_modes (void); | |
71 | static void set_terminal_window (int size); | |
8c2ac482 JR |
72 | static void update_begin (struct frame * f); |
73 | static void update_end (struct frame * f); | |
338b1bb2 JR |
74 | static WORD w32_face_attributes (struct frame *f, int face_id); |
75 | static int hl_mode (int new_highlight); | |
6cdfb6e6 | 76 | |
338b1bb2 JR |
77 | static COORD cursor_coords; |
78 | static HANDLE prev_screen, cur_screen; | |
79 | static WORD char_attr_normal; | |
80 | static DWORD prev_console_mode; | |
6cdfb6e6 | 81 | |
3e671d90 | 82 | #ifndef USE_SEPARATE_SCREEN |
338b1bb2 | 83 | static CONSOLE_CURSOR_INFO prev_console_cursor; |
3e671d90 GV |
84 | #endif |
85 | ||
191100f2 AI |
86 | /* Determine whether to make frame dimensions match the screen buffer, |
87 | or the current window size. The former is desirable when running | |
88 | over telnet, while the latter is more useful when working directly at | |
89 | the console with a large scroll-back buffer. */ | |
90 | int w32_use_full_screen_buffer; | |
338b1bb2 | 91 | HANDLE keyboard_handle; |
191100f2 | 92 | |
6cdfb6e6 RS |
93 | |
94 | /* Setting this as the ctrl handler prevents emacs from being killed when | |
40d578c9 RS |
95 | someone hits ^C in a 'suspended' session (child shell). |
96 | Also ignore Ctrl-Break signals. */ | |
97 | ||
6cdfb6e6 RS |
98 | BOOL |
99 | ctrl_c_handler (unsigned long type) | |
100 | { | |
3e671d90 GV |
101 | /* Only ignore "interrupt" events when running interactively. */ |
102 | return (!noninteractive | |
103 | && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT)); | |
6cdfb6e6 RS |
104 | } |
105 | ||
106 | /* If we're updating a frame, use it as the current frame | |
107 | Otherwise, use the selected frame. */ | |
8c2ac482 | 108 | #define PICK_FRAME() (updating_frame ? updating_frame : SELECTED_FRAME ()) |
6cdfb6e6 RS |
109 | |
110 | /* Move the cursor to (row, col). */ | |
111 | void | |
112 | move_cursor (int row, int col) | |
113 | { | |
114 | cursor_coords.X = col; | |
115 | cursor_coords.Y = row; | |
116 | ||
8c2ac482 | 117 | if (updating_frame == (struct frame *) NULL) |
6cdfb6e6 RS |
118 | { |
119 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
120 | } | |
121 | } | |
122 | ||
123 | /* Clear from cursor to end of screen. */ | |
124 | void | |
125 | clear_to_end (void) | |
126 | { | |
8c2ac482 | 127 | struct frame * f = PICK_FRAME (); |
6cdfb6e6 RS |
128 | |
129 | clear_end_of_line (FRAME_WIDTH (f) - 1); | |
130 | ins_del_lines (cursor_coords.Y, FRAME_HEIGHT (f) - cursor_coords.Y - 1); | |
131 | } | |
132 | ||
133 | /* Clear the frame. */ | |
134 | void | |
135 | clear_frame (void) | |
136 | { | |
8c2ac482 | 137 | struct frame * f = PICK_FRAME (); |
b47278e1 | 138 | COORD dest; |
84f5bd81 AI |
139 | int n; |
140 | DWORD r; | |
a5404e3a AI |
141 | CONSOLE_SCREEN_BUFFER_INFO info; |
142 | ||
143 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 144 | |
6cdfb6e6 | 145 | hl_mode (0); |
338b1bb2 | 146 | |
a5404e3a AI |
147 | /* Remember that the screen buffer might be wider than the window. */ |
148 | n = FRAME_HEIGHT (f) * info.dwSize.X; | |
b47278e1 GV |
149 | dest.X = dest.Y = 0; |
150 | ||
338b1bb2 | 151 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
152 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
153 | ||
6cdfb6e6 RS |
154 | move_cursor (0, 0); |
155 | } | |
156 | ||
157 | ||
8c2ac482 | 158 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
159 | static BOOL ceol_initialized = FALSE; |
160 | ||
161 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
162 | void | |
163 | clear_end_of_line (int end) | |
164 | { | |
165 | if (!ceol_initialized) | |
166 | { | |
167 | int i; | |
168 | for (i = 0; i < 256; i++) | |
169 | { | |
8c2ac482 | 170 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
171 | } |
172 | ceol_initialized = TRUE; | |
173 | } | |
174 | write_glyphs (glyph_base, end - cursor_coords.X); /* fencepost ? */ | |
175 | } | |
176 | ||
177 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
178 | void | |
179 | ins_del_lines (int vpos, int n) | |
180 | { | |
181 | int i, nb, save_highlight; | |
182 | SMALL_RECT scroll; | |
183 | COORD dest; | |
184 | CHAR_INFO fill; | |
8c2ac482 | 185 | struct frame * f = PICK_FRAME (); |
6cdfb6e6 RS |
186 | |
187 | if (n < 0) | |
188 | { | |
189 | scroll.Top = vpos - n; | |
190 | scroll.Bottom = FRAME_HEIGHT (f); | |
191 | dest.Y = vpos; | |
192 | } | |
193 | else | |
194 | { | |
195 | scroll.Top = vpos; | |
196 | scroll.Bottom = FRAME_HEIGHT (f) - n; | |
197 | dest.Y = vpos + n; | |
198 | } | |
199 | scroll.Left = 0; | |
200 | scroll.Right = FRAME_WIDTH (f); | |
201 | ||
202 | dest.X = 0; | |
203 | ||
204 | save_highlight = hl_mode (0); | |
205 | ||
206 | fill.Char.AsciiChar = 0x20; | |
338b1bb2 | 207 | fill.Attributes = char_attr_normal; |
6cdfb6e6 RS |
208 | |
209 | ScrollConsoleScreenBuffer (cur_screen, &scroll, NULL, dest, &fill); | |
210 | ||
fbd6baed | 211 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
212 | region looks like abc and we scroll c to a and fill with d we get |
213 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
214 | Emacs expects cdd consistently... So we have to deal with that | |
215 | here... (this also occurs scrolling the same way in the other | |
216 | direction. */ | |
217 | ||
218 | if (n > 0) | |
219 | { | |
220 | if (scroll.Bottom < dest.Y) | |
221 | { | |
222 | for (i = scroll.Bottom; i < dest.Y; i++) | |
223 | { | |
224 | move_cursor (i, 0); | |
225 | clear_end_of_line (FRAME_WIDTH (f)); | |
226 | } | |
227 | } | |
228 | } | |
229 | else | |
230 | { | |
231 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
232 | ||
233 | if (nb < scroll.Top) | |
234 | { | |
235 | for (i = nb; i < scroll.Top; i++) | |
236 | { | |
237 | move_cursor (i, 0); | |
238 | clear_end_of_line (FRAME_WIDTH (f)); | |
239 | } | |
240 | } | |
241 | } | |
242 | ||
243 | cursor_coords.X = 0; | |
244 | cursor_coords.Y = vpos; | |
245 | ||
246 | hl_mode (save_highlight); | |
247 | } | |
248 | ||
249 | /* Changes attribute to use when drawing characters to control. */ | |
250 | static int | |
251 | hl_mode (int new_highlight) | |
252 | { | |
253 | static int highlight = 0; | |
254 | int old_highlight; | |
255 | ||
256 | old_highlight = highlight; | |
257 | highlight = (new_highlight != 0); | |
338b1bb2 | 258 | |
6cdfb6e6 RS |
259 | return old_highlight; |
260 | } | |
261 | ||
262 | /* Call this when about to modify line at position VPOS and change whether it | |
263 | is highlighted. */ | |
264 | void | |
8c2ac482 JR |
265 | change_line_highlight (int new_highlight, int vpos, int y, |
266 | int first_unused_hpos) | |
6cdfb6e6 RS |
267 | { |
268 | hl_mode (new_highlight); | |
269 | move_cursor (vpos, 0); | |
270 | clear_end_of_line (first_unused_hpos); | |
271 | } | |
272 | ||
273 | /* External interface to control of standout mode. Call this when about to | |
274 | * modify line at position VPOS and not change whether it is highlighted. */ | |
275 | void | |
276 | reassert_line_highlight (int highlight, int vpos) | |
277 | { | |
278 | hl_mode (highlight); | |
279 | vpos; /* pedantic compiler silencer */ | |
280 | } | |
281 | ||
282 | #undef LEFT | |
283 | #undef RIGHT | |
284 | #define LEFT 1 | |
285 | #define RIGHT 0 | |
286 | ||
287 | void | |
288 | scroll_line (int dist, int direction) | |
289 | { | |
290 | /* The idea here is to implement a horizontal scroll in one line to | |
291 | implement delete and half of insert. */ | |
292 | SMALL_RECT scroll; | |
293 | COORD dest; | |
294 | CHAR_INFO fill; | |
8c2ac482 | 295 | struct frame * f = PICK_FRAME (); |
6cdfb6e6 RS |
296 | |
297 | scroll.Top = cursor_coords.Y; | |
298 | scroll.Bottom = cursor_coords.Y; | |
299 | ||
300 | if (direction == LEFT) | |
301 | { | |
302 | scroll.Left = cursor_coords.X + dist; | |
303 | scroll.Right = FRAME_WIDTH (f) - 1; | |
304 | } | |
305 | else | |
306 | { | |
307 | scroll.Left = cursor_coords.X; | |
308 | scroll.Right = FRAME_WIDTH (f) - dist - 1; | |
309 | } | |
310 | ||
311 | dest.X = cursor_coords.X; | |
312 | dest.Y = cursor_coords.Y; | |
313 | ||
314 | fill.Char.AsciiChar = 0x20; | |
338b1bb2 JR |
315 | fill.Attributes = char_attr_normal; |
316 | ||
6cdfb6e6 RS |
317 | ScrollConsoleScreenBuffer (cur_screen, &scroll, NULL, dest, &fill); |
318 | } | |
319 | ||
320 | ||
321 | /* If start is zero insert blanks instead of a string at start ?. */ | |
322 | void | |
8c2ac482 | 323 | insert_glyphs (register struct glyph *start, register int len) |
6cdfb6e6 RS |
324 | { |
325 | scroll_line (len, RIGHT); | |
326 | ||
327 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
328 | if (start) | |
329 | { | |
330 | /* Print the first len characters of start, cursor_coords.X adjusted | |
331 | by write_glyphs. */ | |
332 | ||
333 | write_glyphs (start, len); | |
334 | } | |
335 | else | |
336 | { | |
337 | clear_end_of_line (cursor_coords.X + len); | |
338 | } | |
339 | } | |
340 | ||
341 | void | |
8c2ac482 | 342 | write_glyphs (register struct glyph *string, register int len) |
6cdfb6e6 | 343 | { |
84f5bd81 AI |
344 | int produced, consumed; |
345 | DWORD r; | |
8c2ac482 | 346 | struct frame * f = PICK_FRAME (); |
338b1bb2 | 347 | WORD char_attr; |
4d5d6aab KH |
348 | unsigned char conversion_buffer[1024]; |
349 | int conversion_buffer_size = sizeof conversion_buffer; | |
338b1bb2 JR |
350 | |
351 | if (len <= 0) | |
352 | return; | |
b47278e1 | 353 | |
8c2ac482 JR |
354 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
355 | the tail. */ | |
356 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
6cdfb6e6 | 357 | |
8c2ac482 | 358 | while (len > 0) |
6cdfb6e6 | 359 | { |
8c2ac482 JR |
360 | /* Identify a run of glyphs with the same face. */ |
361 | int face_id = string->face_id; | |
362 | int n; | |
363 | ||
364 | for (n = 1; n < len; ++n) | |
365 | if (string[n].face_id != face_id) | |
366 | break; | |
367 | ||
368 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 369 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 JR |
370 | |
371 | while (n > 0) | |
372 | { | |
4d5d6aab KH |
373 | /* We use a fixed size (1024 bytes) of conversion buffer. |
374 | Usually it is sufficient, but if not, we just repeat the | |
375 | loop. */ | |
8c2ac482 JR |
376 | produced = encode_terminal_code (string, conversion_buffer, |
377 | n, conversion_buffer_size, | |
378 | &consumed); | |
379 | if (produced > 0) | |
380 | { | |
381 | /* Set the attribute for these characters. */ | |
382 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
84f5bd81 | 383 | produced, cursor_coords, &r)) |
8c2ac482 JR |
384 | { |
385 | printf ("Failed writing console attributes: %d\n", | |
386 | GetLastError ()); | |
387 | fflush (stdout); | |
388 | } | |
389 | ||
390 | /* Write the characters. */ | |
391 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, | |
84f5bd81 | 392 | produced, cursor_coords, &r)) |
8c2ac482 JR |
393 | { |
394 | printf ("Failed writing console characters: %d\n", | |
395 | GetLastError ()); | |
396 | fflush (stdout); | |
397 | } | |
398 | ||
399 | cursor_coords.X += produced; | |
400 | move_cursor (cursor_coords.Y, cursor_coords.X); | |
401 | } | |
402 | len -= consumed; | |
403 | n -= consumed; | |
404 | string += consumed; | |
405 | } | |
6cdfb6e6 RS |
406 | } |
407 | ||
8c2ac482 JR |
408 | /* We may have to output some codes to terminate the writing. */ |
409 | if (CODING_REQUIRE_FLUSHING (&terminal_coding)) | |
6cdfb6e6 | 410 | { |
8c2ac482 JR |
411 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
412 | encode_coding (&terminal_coding, "", conversion_buffer, | |
413 | 0, conversion_buffer_size); | |
414 | if (terminal_coding.produced > 0) | |
415 | { | |
338b1bb2 | 416 | if (!FillConsoleOutputAttribute (cur_screen, char_attr_normal, |
8c2ac482 | 417 | terminal_coding.produced, |
84f5bd81 | 418 | cursor_coords, &r)) |
8c2ac482 JR |
419 | { |
420 | printf ("Failed writing console attributes: %d\n", | |
421 | GetLastError ()); | |
422 | fflush (stdout); | |
423 | } | |
424 | ||
425 | /* Write the characters. */ | |
426 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, | |
84f5bd81 | 427 | produced, cursor_coords, &r)) |
8c2ac482 JR |
428 | { |
429 | printf ("Failed writing console characters: %d\n", | |
430 | GetLastError ()); | |
431 | fflush (stdout); | |
432 | } | |
433 | } | |
6cdfb6e6 | 434 | } |
6cdfb6e6 RS |
435 | } |
436 | ||
8c2ac482 | 437 | |
6cdfb6e6 RS |
438 | void |
439 | delete_glyphs (int n) | |
440 | { | |
441 | /* delete chars means scroll chars from cursor_coords.X + n to | |
442 | cursor_coords.X, anything beyond the edge of the screen should | |
443 | come out empty... */ | |
444 | ||
445 | scroll_line (n, LEFT); | |
446 | } | |
447 | ||
0534d577 | 448 | static unsigned int sound_type = 0xFFFFFFFF; |
78859b80 | 449 | #define MB_EMACS_SILENT (0xFFFFFFFF - 1) |
0534d577 | 450 | |
6cdfb6e6 | 451 | void |
fbd6baed | 452 | w32_sys_ring_bell (void) |
6cdfb6e6 | 453 | { |
0534d577 | 454 | if (sound_type == 0xFFFFFFFF) |
78859b80 | 455 | { |
0534d577 | 456 | Beep (666, 100); |
78859b80 GV |
457 | } |
458 | else if (sound_type == MB_EMACS_SILENT) | |
459 | { | |
460 | /* Do nothing. */ | |
461 | } | |
0534d577 | 462 | else |
78859b80 | 463 | MessageBeep (sound_type); |
6cdfb6e6 RS |
464 | } |
465 | ||
0534d577 KH |
466 | DEFUN ("set-message-beep", Fset_message_beep, Sset_message_beep, 1, 1, 0, |
467 | "Set the sound generated when the bell is rung.\n\ | |
78859b80 GV |
468 | SOUND is 'asterisk, 'exclamation, 'hand, 'question, 'ok, or 'silent\n\ |
469 | to use the corresponding system sound for the bell. The 'silent sound\n\ | |
470 | prevents Emacs from making any sound at all.\n\ | |
0534d577 KH |
471 | SOUND is nil to use the normal beep.") |
472 | (sound) | |
473 | Lisp_Object sound; | |
6cdfb6e6 | 474 | { |
0534d577 KH |
475 | CHECK_SYMBOL (sound, 0); |
476 | ||
477 | if (NILP (sound)) | |
478 | sound_type = 0xFFFFFFFF; | |
479 | else if (EQ (sound, intern ("asterisk"))) | |
480 | sound_type = MB_ICONASTERISK; | |
481 | else if (EQ (sound, intern ("exclamation"))) | |
482 | sound_type = MB_ICONEXCLAMATION; | |
483 | else if (EQ (sound, intern ("hand"))) | |
484 | sound_type = MB_ICONHAND; | |
485 | else if (EQ (sound, intern ("question"))) | |
486 | sound_type = MB_ICONQUESTION; | |
487 | else if (EQ (sound, intern ("ok"))) | |
488 | sound_type = MB_OK; | |
78859b80 GV |
489 | else if (EQ (sound, intern ("silent"))) |
490 | sound_type = MB_EMACS_SILENT; | |
0534d577 KH |
491 | else |
492 | sound_type = 0xFFFFFFFF; | |
493 | ||
494 | return sound; | |
6cdfb6e6 | 495 | } |
6cdfb6e6 RS |
496 | |
497 | void | |
498 | reset_terminal_modes (void) | |
499 | { | |
338b1bb2 JR |
500 | hl_mode (0); |
501 | ||
3e671d90 | 502 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 503 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
504 | #else |
505 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
506 | #endif | |
507 | SetConsoleMode (keyboard_handle, prev_console_mode); | |
6cdfb6e6 RS |
508 | } |
509 | ||
510 | void | |
511 | set_terminal_modes (void) | |
512 | { | |
513 | CONSOLE_CURSOR_INFO cci; | |
514 | ||
338b1bb2 JR |
515 | hl_mode (0); |
516 | ||
3e671d90 GV |
517 | /* make cursor big and visible (100 on Win95 makes it disappear) */ |
518 | cci.dwSize = 99; | |
519 | cci.bVisible = TRUE; | |
520 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 521 | |
3e671d90 | 522 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 523 | |
3e671d90 | 524 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 525 | |
3e671d90 GV |
526 | /* Initialize input mode: interrupt_input off, no flow control, allow |
527 | 8 bit character input, standard quit char. */ | |
528 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
529 | } |
530 | ||
531 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
532 | clumps rather than one-character-at-a-time... | |
533 | ||
534 | we'll start with not moving the cursor while an update is in progress. */ | |
535 | void | |
8c2ac482 | 536 | update_begin (struct frame * f) |
6cdfb6e6 | 537 | { |
338b1bb2 | 538 | hl_mode (0); |
6cdfb6e6 RS |
539 | } |
540 | ||
541 | void | |
8c2ac482 | 542 | update_end (struct frame * f) |
6cdfb6e6 | 543 | { |
338b1bb2 | 544 | hl_mode (0); |
6cdfb6e6 RS |
545 | SetConsoleCursorPosition (cur_screen, cursor_coords); |
546 | } | |
547 | ||
548 | void | |
549 | set_terminal_window (int size) | |
550 | { | |
551 | } | |
552 | ||
8c2ac482 JR |
553 | /*********************************************************************** |
554 | Faces | |
555 | ***********************************************************************/ | |
556 | ||
557 | ||
558 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
559 | ||
338b1bb2 JR |
560 | static WORD |
561 | w32_face_attributes (f, face_id) | |
8c2ac482 JR |
562 | struct frame *f; |
563 | int face_id; | |
564 | { | |
338b1bb2 JR |
565 | WORD char_attr; |
566 | int highlight_on_p; | |
8c2ac482 JR |
567 | struct face *face = FACE_FROM_ID (f, face_id); |
568 | ||
338b1bb2 JR |
569 | highlight_on_p = hl_mode (0); |
570 | hl_mode (highlight_on_p); | |
571 | ||
8c2ac482 JR |
572 | xassert (face != NULL); |
573 | ||
574 | char_attr = char_attr_normal; | |
575 | ||
338b1bb2 JR |
576 | if (face->foreground != FACE_TTY_DEFAULT_FG_COLOR |
577 | && face->foreground != FACE_TTY_DEFAULT_COLOR) | |
578 | char_attr = (char_attr & 0xfff0) + (face->foreground % 16); | |
579 | ||
580 | if (face->background != FACE_TTY_DEFAULT_BG_COLOR | |
581 | && face->background != FACE_TTY_DEFAULT_COLOR) | |
582 | char_attr = (char_attr & 0xff0f) + ((face->background % 16) * 16); | |
583 | ||
8c2ac482 | 584 | |
338b1bb2 JR |
585 | /* Ensure readability (temporary measure until this all works) */ |
586 | if (((char_attr & 0x00f0) >> 4) == (char_attr & 0x000f)) | |
587 | char_attr ^= 0x0007; | |
8c2ac482 | 588 | |
338b1bb2 JR |
589 | if (face->tty_reverse_p || highlight_on_p) |
590 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) | |
591 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 592 | |
338b1bb2 | 593 | return char_attr; |
8c2ac482 JR |
594 | } |
595 | ||
596 | ||
338b1bb2 | 597 | /* Emulation of some X window features from xfns.c and xfaces.c. */ |
8c2ac482 | 598 | |
338b1bb2 JR |
599 | extern char unspecified_fg[], unspecified_bg[]; |
600 | ||
601 | ||
602 | /* Given a color index, return its standard name. */ | |
603 | Lisp_Object | |
604 | vga_stdcolor_name (int idx) | |
8c2ac482 | 605 | { |
338b1bb2 JR |
606 | /* Standard VGA colors, in the order of their standard numbering |
607 | in the default VGA palette. */ | |
608 | static char *vga_colors[16] = { | |
609 | "black", "blue", "green", "cyan", "red", "magenta", "brown", | |
610 | "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan", | |
611 | "lightred", "lightmagenta", "yellow", "white" | |
612 | }; | |
613 | ||
614 | extern Lisp_Object Qunspecified; | |
615 | ||
616 | if (idx >= 0 && idx < sizeof (vga_colors) / sizeof (vga_colors[0])) | |
617 | return build_string (vga_colors[idx]); | |
618 | else | |
619 | return Qunspecified; /* meaning the default */ | |
8c2ac482 | 620 | } |
338b1bb2 | 621 | |
6cdfb6e6 RS |
622 | typedef int (*term_hook) (); |
623 | ||
624 | void | |
e6b20d65 | 625 | initialize_w32_display (void) |
6cdfb6e6 RS |
626 | { |
627 | CONSOLE_SCREEN_BUFFER_INFO info; | |
628 | ||
f3d268f9 GV |
629 | cursor_to_hook = move_cursor; |
630 | raw_cursor_to_hook = move_cursor; | |
631 | clear_to_end_hook = clear_to_end; | |
632 | clear_frame_hook = clear_frame; | |
633 | clear_end_of_line_hook = clear_end_of_line; | |
634 | ins_del_lines_hook = ins_del_lines; | |
635 | change_line_highlight_hook = change_line_highlight; | |
636 | reassert_line_highlight_hook = reassert_line_highlight; | |
637 | insert_glyphs_hook = insert_glyphs; | |
638 | write_glyphs_hook = write_glyphs; | |
639 | delete_glyphs_hook = delete_glyphs; | |
640 | ring_bell_hook = w32_sys_ring_bell; | |
641 | reset_terminal_modes_hook = reset_terminal_modes; | |
642 | set_terminal_modes_hook = set_terminal_modes; | |
643 | set_terminal_window_hook = set_terminal_window; | |
644 | update_begin_hook = update_begin; | |
645 | update_end_hook = update_end; | |
6cdfb6e6 | 646 | |
fbd6baed | 647 | read_socket_hook = w32_console_read_socket; |
f3d268f9 | 648 | mouse_position_hook = w32_console_mouse_position; |
8c2ac482 | 649 | estimate_mode_line_height_hook = 0; |
3e671d90 | 650 | |
c1e06681 AI |
651 | /* Initialize interrupt_handle. */ |
652 | init_crit (); | |
653 | ||
3e671d90 GV |
654 | /* Remember original console settings. */ |
655 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
656 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
657 | ||
6cdfb6e6 RS |
658 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
659 | ||
3e671d90 GV |
660 | #ifdef USE_SEPARATE_SCREEN |
661 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
662 | 0, NULL, | |
663 | CONSOLE_TEXTMODE_BUFFER, | |
664 | NULL); | |
665 | ||
666 | if (cur_screen == INVALID_HANDLE_VALUE) | |
667 | { | |
668 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
669 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
670 | fflush (stdout); | |
671 | exit (0); | |
672 | } | |
673 | #else | |
674 | cur_screen = prev_screen; | |
675 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
676 | #endif | |
677 | ||
191100f2 AI |
678 | /* Respect setting of LINES and COLUMNS environment variables. */ |
679 | { | |
680 | char * lines = getenv("LINES"); | |
681 | char * columns = getenv("COLUMNS"); | |
682 | ||
683 | if (lines != NULL && columns != NULL) | |
684 | { | |
685 | SMALL_RECT new_win_dims; | |
686 | COORD new_size; | |
687 | ||
688 | new_size.X = atoi (columns); | |
689 | new_size.Y = atoi (lines); | |
690 | ||
691 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
692 | ||
693 | /* Shrink the window first, so the buffer dimensions can be | |
694 | reduced if necessary. */ | |
695 | new_win_dims.Top = 0; | |
696 | new_win_dims.Left = 0; | |
697 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
698 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
699 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
700 | ||
701 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
702 | ||
703 | /* Set the window size to match the buffer dimension. */ | |
704 | new_win_dims.Top = 0; | |
705 | new_win_dims.Left = 0; | |
706 | new_win_dims.Bottom = new_size.Y - 1; | |
707 | new_win_dims.Right = new_size.X - 1; | |
708 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
709 | } | |
710 | } | |
711 | ||
6cdfb6e6 RS |
712 | GetConsoleScreenBufferInfo (cur_screen, &info); |
713 | ||
714 | meta_key = 1; | |
338b1bb2 JR |
715 | char_attr_normal = info.wAttributes; |
716 | hl_mode (0); | |
938469f2 | 717 | |
191100f2 AI |
718 | if (w32_use_full_screen_buffer) |
719 | { | |
8c2ac482 JR |
720 | FRAME_HEIGHT (SELECTED_FRAME ()) = info.dwSize.Y; /* lines per page */ |
721 | SET_FRAME_WIDTH (SELECTED_FRAME (), info.dwSize.X); /* characters per line */ | |
191100f2 AI |
722 | } |
723 | else | |
724 | { | |
725 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
8c2ac482 | 726 | FRAME_HEIGHT (SELECTED_FRAME ()) = 1 + info.srWindow.Bottom - |
191100f2 AI |
727 | info.srWindow.Top; |
728 | /* Characters per line. Use buffer coords instead of buffer size. */ | |
8c2ac482 | 729 | SET_FRAME_WIDTH (SELECTED_FRAME (), 1 + info.srWindow.Right - |
191100f2 AI |
730 | info.srWindow.Left); |
731 | } | |
65fb143c JR |
732 | |
733 | /* Setup w32_display_info structure for this frame. */ | |
734 | ||
735 | w32_initialize_display_info (build_string ("Console")); | |
736 | ||
6cdfb6e6 RS |
737 | } |
738 | ||
739 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, | |
740 | "Set screen colors.") | |
741 | (foreground, background) | |
742 | Lisp_Object foreground; | |
743 | Lisp_Object background; | |
744 | { | |
745 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
746 | |
747 | Frecenter (Qnil); | |
748 | return Qt; | |
749 | } | |
750 | ||
751 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, | |
752 | "Set cursor size.") | |
753 | (size) | |
754 | Lisp_Object size; | |
755 | { | |
756 | CONSOLE_CURSOR_INFO cci; | |
757 | cci.dwSize = XFASTINT (size); | |
758 | cci.bVisible = TRUE; | |
759 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
760 | ||
761 | return Qt; | |
762 | } | |
763 | ||
6e72ba86 | 764 | #ifndef HAVE_NTGUI |
6cdfb6e6 | 765 | void |
8c2ac482 | 766 | pixel_to_glyph_coords (struct frame * f, int pix_x, int pix_y, int *x, int *y, |
6cdfb6e6 RS |
767 | void *bounds, int noclip) |
768 | { | |
769 | *x = pix_x; | |
770 | *y = pix_y; | |
771 | } | |
772 | ||
773 | void | |
5101dbdf | 774 | glyph_to_pixel_coords (struct window * f, int x, int y, int *pix_x, int *pix_y) |
6cdfb6e6 RS |
775 | { |
776 | *pix_x = x; | |
777 | *pix_y = y; | |
778 | } | |
6e72ba86 | 779 | #endif /* !HAVE_NTGUI */ |
6cdfb6e6 | 780 | |
0534d577 | 781 | void |
6cdfb6e6 RS |
782 | syms_of_ntterm () |
783 | { | |
191100f2 AI |
784 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
785 | &w32_use_full_screen_buffer, | |
786 | "Non-nil means make terminal frames use the full screen buffer dimensions.\n\ | |
787 | This is desirable when running Emacs over telnet, and is the default.\n\ | |
788 | A value of nil means use the current console window dimensions; this\n\ | |
789 | may be preferrable when working directly at the console with a large\n\ | |
790 | scroll-back buffer."); | |
791 | w32_use_full_screen_buffer = 1; | |
792 | ||
6cdfb6e6 RS |
793 | defsubr (&Sset_screen_color); |
794 | defsubr (&Sset_cursor_size); | |
0534d577 | 795 | defsubr (&Sset_message_beep); |
6cdfb6e6 | 796 | } |