Commit | Line | Data |
---|---|---|
e6b20d65 | 1 | /* Terminal hooks for GNU Emacs on the Microsoft W32 API. |
6cdfb6e6 RS |
2 | Copyright (C) 1992 Free Software Foundation, Inc. |
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 RS |
30 | #include <windows.h> |
31 | ||
32 | #include "lisp.h" | |
2091aeb2 | 33 | #include "charset.h" |
6cdfb6e6 RS |
34 | #include "frame.h" |
35 | #include "disptab.h" | |
36 | #include "termhooks.h" | |
489f9371 | 37 | #include "w32inevt.h" |
6cdfb6e6 | 38 | |
0534d577 | 39 | /* from window.c */ |
6cdfb6e6 RS |
40 | extern Lisp_Object Frecenter (); |
41 | ||
42 | /* from keyboard.c */ | |
43 | extern int detect_input_pending (); | |
44 | ||
45 | /* from sysdep.c */ | |
46 | extern int read_input_pending (); | |
47 | ||
48 | extern FRAME_PTR updating_frame; | |
49 | extern int meta_key; | |
50 | ||
51 | static void move_cursor (int row, int col); | |
52 | static void clear_to_end (void); | |
53 | static void clear_frame (void); | |
54 | static void clear_end_of_line (int); | |
55 | static void ins_del_lines (int vpos, int n); | |
56 | static void change_line_highlight (int, int, int); | |
57 | static void reassert_line_highlight (int, int); | |
58 | static void insert_glyphs (GLYPH *start, int len); | |
59 | static void write_glyphs (GLYPH *string, int len); | |
60 | static void delete_glyphs (int n); | |
fbd6baed | 61 | void w32_sys_ring_bell (void); |
6cdfb6e6 RS |
62 | static void reset_terminal_modes (void); |
63 | static void set_terminal_modes (void); | |
64 | static void set_terminal_window (int size); | |
65 | static void update_begin (FRAME_PTR f); | |
66 | static void update_end (FRAME_PTR f); | |
6cdfb6e6 RS |
67 | static int hl_mode (int new_highlight); |
68 | ||
6cdfb6e6 RS |
69 | COORD cursor_coords; |
70 | HANDLE prev_screen, cur_screen; | |
71 | UCHAR char_attr, char_attr_normal, char_attr_reverse; | |
72 | HANDLE keyboard_handle; | |
b6823b27 | 73 | DWORD prev_console_mode; |
6cdfb6e6 | 74 | |
3e671d90 GV |
75 | #ifndef USE_SEPARATE_SCREEN |
76 | CONSOLE_CURSOR_INFO prev_console_cursor; | |
77 | #endif | |
78 | ||
191100f2 AI |
79 | /* Determine whether to make frame dimensions match the screen buffer, |
80 | or the current window size. The former is desirable when running | |
81 | over telnet, while the latter is more useful when working directly at | |
82 | the console with a large scroll-back buffer. */ | |
83 | int w32_use_full_screen_buffer; | |
84 | ||
6cdfb6e6 RS |
85 | |
86 | /* Setting this as the ctrl handler prevents emacs from being killed when | |
40d578c9 RS |
87 | someone hits ^C in a 'suspended' session (child shell). |
88 | Also ignore Ctrl-Break signals. */ | |
89 | ||
6cdfb6e6 RS |
90 | BOOL |
91 | ctrl_c_handler (unsigned long type) | |
92 | { | |
3e671d90 GV |
93 | /* Only ignore "interrupt" events when running interactively. */ |
94 | return (!noninteractive | |
95 | && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT)); | |
6cdfb6e6 RS |
96 | } |
97 | ||
98 | /* If we're updating a frame, use it as the current frame | |
99 | Otherwise, use the selected frame. */ | |
100 | #define PICK_FRAME() (updating_frame ? updating_frame : selected_frame) | |
101 | ||
102 | /* Move the cursor to (row, col). */ | |
103 | void | |
104 | move_cursor (int row, int col) | |
105 | { | |
106 | cursor_coords.X = col; | |
107 | cursor_coords.Y = row; | |
108 | ||
0534d577 | 109 | if (updating_frame == (FRAME_PTR) NULL) |
6cdfb6e6 RS |
110 | { |
111 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
112 | } | |
113 | } | |
114 | ||
115 | /* Clear from cursor to end of screen. */ | |
116 | void | |
117 | clear_to_end (void) | |
118 | { | |
119 | FRAME_PTR f = PICK_FRAME (); | |
120 | ||
121 | clear_end_of_line (FRAME_WIDTH (f) - 1); | |
122 | ins_del_lines (cursor_coords.Y, FRAME_HEIGHT (f) - cursor_coords.Y - 1); | |
123 | } | |
124 | ||
125 | /* Clear the frame. */ | |
126 | void | |
127 | clear_frame (void) | |
128 | { | |
6cdfb6e6 | 129 | FRAME_PTR f = PICK_FRAME (); |
b47278e1 GV |
130 | COORD dest; |
131 | int n, r; | |
a5404e3a AI |
132 | CONSOLE_SCREEN_BUFFER_INFO info; |
133 | ||
134 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 135 | |
6cdfb6e6 RS |
136 | hl_mode (0); |
137 | ||
a5404e3a AI |
138 | /* Remember that the screen buffer might be wider than the window. */ |
139 | n = FRAME_HEIGHT (f) * info.dwSize.X; | |
b47278e1 GV |
140 | dest.X = dest.Y = 0; |
141 | ||
142 | FillConsoleOutputAttribute (cur_screen, char_attr, n, dest, &r); | |
143 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
144 | ||
6cdfb6e6 RS |
145 | move_cursor (0, 0); |
146 | } | |
147 | ||
148 | ||
149 | static GLYPH glyph_base[256]; | |
150 | static BOOL ceol_initialized = FALSE; | |
151 | ||
152 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
153 | void | |
154 | clear_end_of_line (int end) | |
155 | { | |
156 | if (!ceol_initialized) | |
157 | { | |
158 | int i; | |
159 | for (i = 0; i < 256; i++) | |
160 | { | |
161 | glyph_base[i] = SPACEGLYPH; /* empty space */ | |
162 | } | |
163 | ceol_initialized = TRUE; | |
164 | } | |
165 | write_glyphs (glyph_base, end - cursor_coords.X); /* fencepost ? */ | |
166 | } | |
167 | ||
168 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
169 | void | |
170 | ins_del_lines (int vpos, int n) | |
171 | { | |
172 | int i, nb, save_highlight; | |
173 | SMALL_RECT scroll; | |
174 | COORD dest; | |
175 | CHAR_INFO fill; | |
176 | FRAME_PTR f = PICK_FRAME (); | |
177 | ||
178 | if (n < 0) | |
179 | { | |
180 | scroll.Top = vpos - n; | |
181 | scroll.Bottom = FRAME_HEIGHT (f); | |
182 | dest.Y = vpos; | |
183 | } | |
184 | else | |
185 | { | |
186 | scroll.Top = vpos; | |
187 | scroll.Bottom = FRAME_HEIGHT (f) - n; | |
188 | dest.Y = vpos + n; | |
189 | } | |
190 | scroll.Left = 0; | |
191 | scroll.Right = FRAME_WIDTH (f); | |
192 | ||
193 | dest.X = 0; | |
194 | ||
195 | save_highlight = hl_mode (0); | |
196 | ||
197 | fill.Char.AsciiChar = 0x20; | |
198 | fill.Attributes = char_attr; | |
199 | ||
200 | ScrollConsoleScreenBuffer (cur_screen, &scroll, NULL, dest, &fill); | |
201 | ||
fbd6baed | 202 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
203 | region looks like abc and we scroll c to a and fill with d we get |
204 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
205 | Emacs expects cdd consistently... So we have to deal with that | |
206 | here... (this also occurs scrolling the same way in the other | |
207 | direction. */ | |
208 | ||
209 | if (n > 0) | |
210 | { | |
211 | if (scroll.Bottom < dest.Y) | |
212 | { | |
213 | for (i = scroll.Bottom; i < dest.Y; i++) | |
214 | { | |
215 | move_cursor (i, 0); | |
216 | clear_end_of_line (FRAME_WIDTH (f)); | |
217 | } | |
218 | } | |
219 | } | |
220 | else | |
221 | { | |
222 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
223 | ||
224 | if (nb < scroll.Top) | |
225 | { | |
226 | for (i = nb; i < scroll.Top; i++) | |
227 | { | |
228 | move_cursor (i, 0); | |
229 | clear_end_of_line (FRAME_WIDTH (f)); | |
230 | } | |
231 | } | |
232 | } | |
233 | ||
234 | cursor_coords.X = 0; | |
235 | cursor_coords.Y = vpos; | |
236 | ||
237 | hl_mode (save_highlight); | |
238 | } | |
239 | ||
240 | /* Changes attribute to use when drawing characters to control. */ | |
241 | static int | |
242 | hl_mode (int new_highlight) | |
243 | { | |
244 | static int highlight = 0; | |
245 | int old_highlight; | |
246 | ||
247 | old_highlight = highlight; | |
248 | highlight = (new_highlight != 0); | |
249 | if (highlight) | |
250 | { | |
251 | char_attr = char_attr_reverse; | |
252 | } | |
253 | else | |
254 | { | |
255 | char_attr = char_attr_normal; | |
256 | } | |
257 | return old_highlight; | |
258 | } | |
259 | ||
260 | /* Call this when about to modify line at position VPOS and change whether it | |
261 | is highlighted. */ | |
262 | void | |
263 | change_line_highlight (int new_highlight, int vpos, int first_unused_hpos) | |
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; | |
292 | FRAME_PTR f = PICK_FRAME (); | |
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; | |
312 | fill.Attributes = char_attr; | |
313 | ||
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 | |
320 | insert_glyphs (register GLYPH *start, register int len) | |
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 | |
339 | write_glyphs (register GLYPH *string, register int len) | |
340 | { | |
341 | register unsigned int glyph_len = GLYPH_TABLE_LENGTH; | |
342 | Lisp_Object *glyph_table = GLYPH_TABLE_BASE; | |
343 | FRAME_PTR f = PICK_FRAME (); | |
344 | register char *ptr; | |
345 | GLYPH glyph; | |
6cdfb6e6 RS |
346 | char *chars; |
347 | int i; | |
348 | ||
b47278e1 GV |
349 | if (len <= 0) |
350 | return; | |
351 | ||
6cdfb6e6 | 352 | chars = alloca (len * sizeof (*chars)); |
a5404e3a | 353 | if (chars == NULL) |
6cdfb6e6 RS |
354 | { |
355 | printf ("alloca failed in write_glyphs\n"); | |
356 | return; | |
357 | } | |
358 | ||
359 | /* We have to deal with the glyph indirection...go over the glyph | |
360 | buffer and extract the characters. */ | |
361 | ptr = chars; | |
362 | while (--len >= 0) | |
363 | { | |
364 | glyph = *string++; | |
365 | ||
366 | if (glyph > glyph_len) | |
367 | { | |
368 | *ptr++ = glyph & 0xFF; | |
369 | continue; | |
370 | } | |
371 | GLYPH_FOLLOW_ALIASES (glyph_table, glyph_len, glyph); | |
6e72ba86 | 372 | #ifndef HAVE_NTGUI |
6cdfb6e6 RS |
373 | if (GLYPH_FACE (fixfix, glyph) != 0) |
374 | printf ("Glyph face is %d\n", GLYPH_FACE (fixfix, glyph)); | |
6e72ba86 | 375 | #endif /* !HAVE_NTGUI */ |
6cdfb6e6 RS |
376 | if (GLYPH_SIMPLE_P (glyph_table, glyph_len, glyph)) |
377 | { | |
378 | *ptr++ = glyph & 0xFF; | |
379 | continue; | |
380 | } | |
381 | for (i = 0; i < GLYPH_LENGTH (glyph_table, glyph); i++) | |
382 | { | |
383 | *ptr++ = (GLYPH_STRING (glyph_table, glyph))[i]; | |
384 | } | |
385 | } | |
386 | ||
387 | /* Number of characters we have in the buffer. */ | |
388 | len = ptr-chars; | |
389 | ||
a5404e3a AI |
390 | /* Set the attribute for these characters. */ |
391 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, len, cursor_coords, &i)) | |
6cdfb6e6 | 392 | { |
0534d577 | 393 | printf ("Failed writing console attributes: %d\n", GetLastError ()); |
6cdfb6e6 RS |
394 | fflush (stdout); |
395 | } | |
396 | ||
397 | /* Write the characters. */ | |
398 | if (!WriteConsoleOutputCharacter (cur_screen, chars, len, cursor_coords, &i)) | |
399 | { | |
0534d577 | 400 | printf ("Failed writing console characters: %d\n", GetLastError ()); |
6cdfb6e6 RS |
401 | fflush (stdout); |
402 | } | |
403 | ||
404 | cursor_coords.X += len; | |
405 | move_cursor (cursor_coords.Y, cursor_coords.X); | |
406 | } | |
407 | ||
408 | void | |
409 | delete_glyphs (int n) | |
410 | { | |
411 | /* delete chars means scroll chars from cursor_coords.X + n to | |
412 | cursor_coords.X, anything beyond the edge of the screen should | |
413 | come out empty... */ | |
414 | ||
415 | scroll_line (n, LEFT); | |
416 | } | |
417 | ||
0534d577 | 418 | static unsigned int sound_type = 0xFFFFFFFF; |
78859b80 | 419 | #define MB_EMACS_SILENT (0xFFFFFFFF - 1) |
0534d577 | 420 | |
6cdfb6e6 | 421 | void |
fbd6baed | 422 | w32_sys_ring_bell (void) |
6cdfb6e6 | 423 | { |
0534d577 | 424 | if (sound_type == 0xFFFFFFFF) |
78859b80 | 425 | { |
0534d577 | 426 | Beep (666, 100); |
78859b80 GV |
427 | } |
428 | else if (sound_type == MB_EMACS_SILENT) | |
429 | { | |
430 | /* Do nothing. */ | |
431 | } | |
0534d577 | 432 | else |
78859b80 | 433 | MessageBeep (sound_type); |
6cdfb6e6 RS |
434 | } |
435 | ||
0534d577 KH |
436 | DEFUN ("set-message-beep", Fset_message_beep, Sset_message_beep, 1, 1, 0, |
437 | "Set the sound generated when the bell is rung.\n\ | |
78859b80 GV |
438 | SOUND is 'asterisk, 'exclamation, 'hand, 'question, 'ok, or 'silent\n\ |
439 | to use the corresponding system sound for the bell. The 'silent sound\n\ | |
440 | prevents Emacs from making any sound at all.\n\ | |
0534d577 KH |
441 | SOUND is nil to use the normal beep.") |
442 | (sound) | |
443 | Lisp_Object sound; | |
6cdfb6e6 | 444 | { |
0534d577 KH |
445 | CHECK_SYMBOL (sound, 0); |
446 | ||
447 | if (NILP (sound)) | |
448 | sound_type = 0xFFFFFFFF; | |
449 | else if (EQ (sound, intern ("asterisk"))) | |
450 | sound_type = MB_ICONASTERISK; | |
451 | else if (EQ (sound, intern ("exclamation"))) | |
452 | sound_type = MB_ICONEXCLAMATION; | |
453 | else if (EQ (sound, intern ("hand"))) | |
454 | sound_type = MB_ICONHAND; | |
455 | else if (EQ (sound, intern ("question"))) | |
456 | sound_type = MB_ICONQUESTION; | |
457 | else if (EQ (sound, intern ("ok"))) | |
458 | sound_type = MB_OK; | |
78859b80 GV |
459 | else if (EQ (sound, intern ("silent"))) |
460 | sound_type = MB_EMACS_SILENT; | |
0534d577 KH |
461 | else |
462 | sound_type = 0xFFFFFFFF; | |
463 | ||
464 | return sound; | |
6cdfb6e6 | 465 | } |
6cdfb6e6 RS |
466 | |
467 | void | |
468 | reset_terminal_modes (void) | |
469 | { | |
3e671d90 | 470 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 471 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
472 | #else |
473 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
474 | #endif | |
475 | SetConsoleMode (keyboard_handle, prev_console_mode); | |
6cdfb6e6 RS |
476 | } |
477 | ||
478 | void | |
479 | set_terminal_modes (void) | |
480 | { | |
481 | CONSOLE_CURSOR_INFO cci; | |
482 | ||
3e671d90 GV |
483 | /* make cursor big and visible (100 on Win95 makes it disappear) */ |
484 | cci.dwSize = 99; | |
485 | cci.bVisible = TRUE; | |
486 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 487 | |
3e671d90 | 488 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 489 | |
3e671d90 | 490 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 491 | |
3e671d90 GV |
492 | /* Initialize input mode: interrupt_input off, no flow control, allow |
493 | 8 bit character input, standard quit char. */ | |
494 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
495 | } |
496 | ||
497 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
498 | clumps rather than one-character-at-a-time... | |
499 | ||
500 | we'll start with not moving the cursor while an update is in progress. */ | |
501 | void | |
502 | update_begin (FRAME_PTR f) | |
503 | { | |
504 | } | |
505 | ||
506 | void | |
507 | update_end (FRAME_PTR f) | |
508 | { | |
509 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
510 | } | |
511 | ||
512 | void | |
513 | set_terminal_window (int size) | |
514 | { | |
515 | } | |
516 | ||
6cdfb6e6 RS |
517 | typedef int (*term_hook) (); |
518 | ||
519 | void | |
e6b20d65 | 520 | initialize_w32_display (void) |
6cdfb6e6 RS |
521 | { |
522 | CONSOLE_SCREEN_BUFFER_INFO info; | |
523 | ||
f3d268f9 GV |
524 | cursor_to_hook = move_cursor; |
525 | raw_cursor_to_hook = move_cursor; | |
526 | clear_to_end_hook = clear_to_end; | |
527 | clear_frame_hook = clear_frame; | |
528 | clear_end_of_line_hook = clear_end_of_line; | |
529 | ins_del_lines_hook = ins_del_lines; | |
530 | change_line_highlight_hook = change_line_highlight; | |
531 | reassert_line_highlight_hook = reassert_line_highlight; | |
532 | insert_glyphs_hook = insert_glyphs; | |
533 | write_glyphs_hook = write_glyphs; | |
534 | delete_glyphs_hook = delete_glyphs; | |
535 | ring_bell_hook = w32_sys_ring_bell; | |
536 | reset_terminal_modes_hook = reset_terminal_modes; | |
537 | set_terminal_modes_hook = set_terminal_modes; | |
538 | set_terminal_window_hook = set_terminal_window; | |
539 | update_begin_hook = update_begin; | |
540 | update_end_hook = update_end; | |
6cdfb6e6 | 541 | |
fbd6baed | 542 | read_socket_hook = w32_console_read_socket; |
f3d268f9 | 543 | mouse_position_hook = w32_console_mouse_position; |
3e671d90 | 544 | |
c1e06681 AI |
545 | /* Initialize interrupt_handle. */ |
546 | init_crit (); | |
547 | ||
3e671d90 GV |
548 | /* Remember original console settings. */ |
549 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
550 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
551 | ||
6cdfb6e6 RS |
552 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
553 | ||
3e671d90 GV |
554 | #ifdef USE_SEPARATE_SCREEN |
555 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
556 | 0, NULL, | |
557 | CONSOLE_TEXTMODE_BUFFER, | |
558 | NULL); | |
559 | ||
560 | if (cur_screen == INVALID_HANDLE_VALUE) | |
561 | { | |
562 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
563 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
564 | fflush (stdout); | |
565 | exit (0); | |
566 | } | |
567 | #else | |
568 | cur_screen = prev_screen; | |
569 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
570 | #endif | |
571 | ||
191100f2 AI |
572 | /* Respect setting of LINES and COLUMNS environment variables. */ |
573 | { | |
574 | char * lines = getenv("LINES"); | |
575 | char * columns = getenv("COLUMNS"); | |
576 | ||
577 | if (lines != NULL && columns != NULL) | |
578 | { | |
579 | SMALL_RECT new_win_dims; | |
580 | COORD new_size; | |
581 | ||
582 | new_size.X = atoi (columns); | |
583 | new_size.Y = atoi (lines); | |
584 | ||
585 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
586 | ||
587 | /* Shrink the window first, so the buffer dimensions can be | |
588 | reduced if necessary. */ | |
589 | new_win_dims.Top = 0; | |
590 | new_win_dims.Left = 0; | |
591 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
592 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
593 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
594 | ||
595 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
596 | ||
597 | /* Set the window size to match the buffer dimension. */ | |
598 | new_win_dims.Top = 0; | |
599 | new_win_dims.Left = 0; | |
600 | new_win_dims.Bottom = new_size.Y - 1; | |
601 | new_win_dims.Right = new_size.X - 1; | |
602 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
603 | } | |
604 | } | |
605 | ||
6cdfb6e6 RS |
606 | GetConsoleScreenBufferInfo (cur_screen, &info); |
607 | ||
608 | meta_key = 1; | |
609 | char_attr = info.wAttributes & 0xFF; | |
610 | char_attr_normal = char_attr; | |
611 | char_attr_reverse = ((char_attr & 0xf) << 4) + ((char_attr & 0xf0) >> 4); | |
938469f2 | 612 | |
191100f2 AI |
613 | if (w32_use_full_screen_buffer) |
614 | { | |
615 | FRAME_HEIGHT (selected_frame) = info.dwSize.Y; /* lines per page */ | |
616 | SET_FRAME_WIDTH (selected_frame, info.dwSize.X); /* characters per line */ | |
617 | } | |
618 | else | |
619 | { | |
620 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
621 | FRAME_HEIGHT (selected_frame) = 1 + info.srWindow.Bottom - | |
622 | info.srWindow.Top; | |
623 | /* Characters per line. Use buffer coords instead of buffer size. */ | |
624 | SET_FRAME_WIDTH (selected_frame, 1 + info.srWindow.Right - | |
625 | info.srWindow.Left); | |
626 | } | |
6cdfb6e6 RS |
627 | } |
628 | ||
629 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, | |
630 | "Set screen colors.") | |
631 | (foreground, background) | |
632 | Lisp_Object foreground; | |
633 | Lisp_Object background; | |
634 | { | |
635 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
636 | char_attr_reverse = XFASTINT (background) + (XFASTINT (foreground) << 4); | |
637 | ||
638 | Frecenter (Qnil); | |
639 | return Qt; | |
640 | } | |
641 | ||
642 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, | |
643 | "Set cursor size.") | |
644 | (size) | |
645 | Lisp_Object size; | |
646 | { | |
647 | CONSOLE_CURSOR_INFO cci; | |
648 | cci.dwSize = XFASTINT (size); | |
649 | cci.bVisible = TRUE; | |
650 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
651 | ||
652 | return Qt; | |
653 | } | |
654 | ||
6e72ba86 | 655 | #ifndef HAVE_NTGUI |
6cdfb6e6 RS |
656 | void |
657 | pixel_to_glyph_coords (FRAME_PTR f, int pix_x, int pix_y, int *x, int *y, | |
658 | void *bounds, int noclip) | |
659 | { | |
660 | *x = pix_x; | |
661 | *y = pix_y; | |
662 | } | |
663 | ||
664 | void | |
665 | glyph_to_pixel_coords (FRAME_PTR f, int x, int y, int *pix_x, int *pix_y) | |
666 | { | |
667 | *pix_x = x; | |
668 | *pix_y = y; | |
669 | } | |
6e72ba86 | 670 | #endif /* !HAVE_NTGUI */ |
6cdfb6e6 | 671 | |
0534d577 | 672 | void |
6cdfb6e6 RS |
673 | syms_of_ntterm () |
674 | { | |
191100f2 AI |
675 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
676 | &w32_use_full_screen_buffer, | |
677 | "Non-nil means make terminal frames use the full screen buffer dimensions.\n\ | |
678 | This is desirable when running Emacs over telnet, and is the default.\n\ | |
679 | A value of nil means use the current console window dimensions; this\n\ | |
680 | may be preferrable when working directly at the console with a large\n\ | |
681 | scroll-back buffer."); | |
682 | w32_use_full_screen_buffer = 1; | |
683 | ||
6cdfb6e6 RS |
684 | defsubr (&Sset_screen_color); |
685 | defsubr (&Sset_cursor_size); | |
0534d577 | 686 | defsubr (&Sset_message_beep); |
6cdfb6e6 | 687 | } |