Commit | Line | Data |
---|---|---|
e6b20d65 | 1 | /* Terminal hooks for GNU Emacs on the Microsoft W32 API. |
429ab54e GM |
2 | Copyright (C) 1992, 1999, 2001, 2002, 2003, 2004, |
3 | 2005, 2006, 2007 Free Software Foundation, Inc. | |
6cdfb6e6 | 4 | |
3b7ad313 EN |
5 | This file is part of GNU Emacs. |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
684d6f5b | 9 | the Free Software Foundation; either version 3, or (at your option) |
3b7ad313 EN |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. | |
6cdfb6e6 RS |
21 | |
22 | Tim Fleehart (apollo@online.com) 1-17-92 | |
23 | Geoff Voelker (voelker@cs.washington.edu) 9-12-93 | |
24 | */ | |
25 | ||
26 | ||
6816efce GV |
27 | #include <config.h> |
28 | ||
6cdfb6e6 RS |
29 | #include <stdlib.h> |
30 | #include <stdio.h> | |
6cdfb6e6 | 31 | #include <windows.h> |
338b1bb2 | 32 | #include <string.h> |
6cdfb6e6 RS |
33 | |
34 | #include "lisp.h" | |
2091aeb2 | 35 | #include "charset.h" |
8c2ac482 | 36 | #include "coding.h" |
6cdfb6e6 | 37 | #include "disptab.h" |
b93b26cb | 38 | /* Disable features in frame.h that require a Window System. */ |
65fb143c JR |
39 | #undef HAVE_WINDOW_SYSTEM |
40 | #include "frame.h" | |
1c30a66f JR |
41 | #include "termhooks.h" |
42 | #include "termchar.h" | |
43 | #include "dispextern.h" | |
489f9371 | 44 | #include "w32inevt.h" |
6cdfb6e6 | 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 | ||
1c30a66f JR |
55 | static void w32con_move_cursor (struct frame *f, int row, int col); |
56 | static void w32con_clear_to_end (struct frame *f); | |
57 | static void w32con_clear_frame (struct frame *f); | |
58 | static void w32con_clear_end_of_line (struct frame *f, int); | |
59 | static void w32con_ins_del_lines (struct frame *f, int vpos, int n); | |
60 | static void w32con_insert_glyphs (struct frame *f, struct glyph *start, int len); | |
61 | static void w32con_write_glyphs (struct frame *f, struct glyph *string, int len); | |
62 | static void w32con_delete_glyphs (struct frame *f, int n); | |
63 | static void w32con_reset_terminal_modes (struct terminal *t); | |
64 | static void w32con_set_terminal_modes (struct terminal *t); | |
65 | static void w32con_set_terminal_window (struct frame *f, int size); | |
7cb010ed JR |
66 | static void w32con_update_begin (struct frame * f); |
67 | static void w32con_update_end (struct frame * f); | |
338b1bb2 | 68 | static WORD w32_face_attributes (struct frame *f, int face_id); |
6cdfb6e6 | 69 | |
338b1bb2 JR |
70 | static COORD cursor_coords; |
71 | static HANDLE prev_screen, cur_screen; | |
72 | static WORD char_attr_normal; | |
73 | static DWORD prev_console_mode; | |
6cdfb6e6 | 74 | |
3e671d90 | 75 | #ifndef USE_SEPARATE_SCREEN |
338b1bb2 | 76 | static CONSOLE_CURSOR_INFO prev_console_cursor; |
3e671d90 GV |
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; | |
338b1bb2 | 84 | HANDLE keyboard_handle; |
191100f2 | 85 | |
6cdfb6e6 RS |
86 | |
87 | /* Setting this as the ctrl handler prevents emacs from being killed when | |
40d578c9 RS |
88 | someone hits ^C in a 'suspended' session (child shell). |
89 | Also ignore Ctrl-Break signals. */ | |
90 | ||
6cdfb6e6 RS |
91 | BOOL |
92 | ctrl_c_handler (unsigned long type) | |
93 | { | |
3e671d90 GV |
94 | /* Only ignore "interrupt" events when running interactively. */ |
95 | return (!noninteractive | |
96 | && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT)); | |
6cdfb6e6 RS |
97 | } |
98 | ||
6cdfb6e6 | 99 | |
1c30a66f | 100 | /* Move the cursor to (ROW, COL) on FRAME. */ |
4fdbdbbd | 101 | static void |
1c30a66f | 102 | w32con_move_cursor (struct frame *f, int row, int col) |
6cdfb6e6 RS |
103 | { |
104 | cursor_coords.X = col; | |
105 | cursor_coords.Y = row; | |
177c0ea7 | 106 | |
1c30a66f JR |
107 | /* TODO: for multi-tty support, cur_screen should be replaced with a |
108 | reference to the terminal for this frame. */ | |
109 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
6cdfb6e6 RS |
110 | } |
111 | ||
112 | /* Clear from cursor to end of screen. */ | |
4fdbdbbd | 113 | static void |
1c30a66f | 114 | w32con_clear_to_end (struct frame *f) |
6cdfb6e6 | 115 | { |
1c30a66f JR |
116 | w32con_clear_end_of_line (f, FRAME_COLS (f) - 1); |
117 | w32con_ins_del_lines (f, cursor_coords.Y, FRAME_LINES (f) - cursor_coords.Y - 1); | |
6cdfb6e6 RS |
118 | } |
119 | ||
120 | /* Clear the frame. */ | |
7cb010ed | 121 | static void |
1c30a66f | 122 | w32con_clear_frame (struct frame *f) |
6cdfb6e6 | 123 | { |
b47278e1 | 124 | COORD dest; |
84f5bd81 AI |
125 | int n; |
126 | DWORD r; | |
a5404e3a AI |
127 | CONSOLE_SCREEN_BUFFER_INFO info; |
128 | ||
129 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 130 | |
a5404e3a | 131 | /* Remember that the screen buffer might be wider than the window. */ |
90022f5a | 132 | n = FRAME_LINES (f) * info.dwSize.X; |
b47278e1 GV |
133 | dest.X = dest.Y = 0; |
134 | ||
338b1bb2 | 135 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
136 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
137 | ||
1c30a66f | 138 | w32con_move_cursor (f, 0, 0); |
6cdfb6e6 RS |
139 | } |
140 | ||
141 | ||
8c2ac482 | 142 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
143 | static BOOL ceol_initialized = FALSE; |
144 | ||
145 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
7cb010ed | 146 | static void |
1c30a66f | 147 | w32con_clear_end_of_line (struct frame *f, int end) |
6cdfb6e6 RS |
148 | { |
149 | if (!ceol_initialized) | |
150 | { | |
151 | int i; | |
152 | for (i = 0; i < 256; i++) | |
153 | { | |
8c2ac482 | 154 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
155 | } |
156 | ceol_initialized = TRUE; | |
157 | } | |
1c30a66f | 158 | w32con_write_glyphs (f, glyph_base, end - cursor_coords.X); /* fencepost ? */ |
6cdfb6e6 RS |
159 | } |
160 | ||
161 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
7cb010ed | 162 | static void |
1c30a66f | 163 | w32con_ins_del_lines (struct frame *f, int vpos, int n) |
6cdfb6e6 | 164 | { |
e850a615 | 165 | int i, nb; |
6cdfb6e6 RS |
166 | SMALL_RECT scroll; |
167 | COORD dest; | |
168 | CHAR_INFO fill; | |
6cdfb6e6 RS |
169 | |
170 | if (n < 0) | |
171 | { | |
172 | scroll.Top = vpos - n; | |
90022f5a | 173 | scroll.Bottom = FRAME_LINES (f); |
6cdfb6e6 RS |
174 | dest.Y = vpos; |
175 | } | |
176 | else | |
177 | { | |
178 | scroll.Top = vpos; | |
90022f5a | 179 | scroll.Bottom = FRAME_LINES (f) - n; |
6cdfb6e6 RS |
180 | dest.Y = vpos + n; |
181 | } | |
182 | scroll.Left = 0; | |
90022f5a | 183 | scroll.Right = FRAME_COLS (f); |
177c0ea7 | 184 | |
6cdfb6e6 | 185 | dest.X = 0; |
177c0ea7 | 186 | |
6cdfb6e6 | 187 | fill.Char.AsciiChar = 0x20; |
338b1bb2 | 188 | fill.Attributes = char_attr_normal; |
177c0ea7 | 189 | |
6cdfb6e6 RS |
190 | ScrollConsoleScreenBuffer (cur_screen, &scroll, NULL, dest, &fill); |
191 | ||
fbd6baed | 192 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
193 | region looks like abc and we scroll c to a and fill with d we get |
194 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
195 | Emacs expects cdd consistently... So we have to deal with that | |
196 | here... (this also occurs scrolling the same way in the other | |
197 | direction. */ | |
198 | ||
199 | if (n > 0) | |
200 | { | |
201 | if (scroll.Bottom < dest.Y) | |
202 | { | |
203 | for (i = scroll.Bottom; i < dest.Y; i++) | |
204 | { | |
1c30a66f JR |
205 | w32con_move_cursor (f, i, 0); |
206 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
207 | } |
208 | } | |
209 | } | |
210 | else | |
211 | { | |
212 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
213 | ||
214 | if (nb < scroll.Top) | |
177c0ea7 | 215 | { |
6cdfb6e6 RS |
216 | for (i = nb; i < scroll.Top; i++) |
217 | { | |
1c30a66f JR |
218 | w32con_move_cursor (f, i, 0); |
219 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
220 | } |
221 | } | |
222 | } | |
177c0ea7 | 223 | |
6cdfb6e6 RS |
224 | cursor_coords.X = 0; |
225 | cursor_coords.Y = vpos; | |
6cdfb6e6 RS |
226 | } |
227 | ||
228 | #undef LEFT | |
229 | #undef RIGHT | |
230 | #define LEFT 1 | |
231 | #define RIGHT 0 | |
232 | ||
4fdbdbbd | 233 | static void |
1c30a66f | 234 | scroll_line (struct frame *f, int dist, int direction) |
6cdfb6e6 RS |
235 | { |
236 | /* The idea here is to implement a horizontal scroll in one line to | |
237 | implement delete and half of insert. */ | |
238 | SMALL_RECT scroll; | |
239 | COORD dest; | |
240 | CHAR_INFO fill; | |
177c0ea7 | 241 | |
6cdfb6e6 RS |
242 | scroll.Top = cursor_coords.Y; |
243 | scroll.Bottom = cursor_coords.Y; | |
177c0ea7 | 244 | |
6cdfb6e6 RS |
245 | if (direction == LEFT) |
246 | { | |
247 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 248 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
249 | } |
250 | else | |
251 | { | |
252 | scroll.Left = cursor_coords.X; | |
90022f5a | 253 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 254 | } |
177c0ea7 | 255 | |
6cdfb6e6 RS |
256 | dest.X = cursor_coords.X; |
257 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 258 | |
6cdfb6e6 | 259 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
260 | fill.Attributes = char_attr_normal; |
261 | ||
6cdfb6e6 RS |
262 | ScrollConsoleScreenBuffer (cur_screen, &scroll, NULL, dest, &fill); |
263 | } | |
264 | ||
265 | ||
266 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 267 | static void |
1c30a66f | 268 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, register int len) |
6cdfb6e6 | 269 | { |
1c30a66f | 270 | scroll_line (f, len, RIGHT); |
6cdfb6e6 RS |
271 | |
272 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
273 | if (start) | |
274 | { | |
275 | /* Print the first len characters of start, cursor_coords.X adjusted | |
276 | by write_glyphs. */ | |
177c0ea7 | 277 | |
1c30a66f | 278 | w32con_write_glyphs (f, start, len); |
6cdfb6e6 RS |
279 | } |
280 | else | |
281 | { | |
1c30a66f | 282 | w32con_clear_end_of_line (f, cursor_coords.X + len); |
6cdfb6e6 RS |
283 | } |
284 | } | |
285 | ||
853895f6 | 286 | extern unsigned char *encode_terminal_code P_ ((struct glyph *, int, |
29e1d29d | 287 | struct coding_system *)); |
853895f6 | 288 | |
7cb010ed | 289 | static void |
1c30a66f JR |
290 | w32con_write_glyphs (struct frame *f, register struct glyph *string, |
291 | register int len) | |
6cdfb6e6 | 292 | { |
84f5bd81 AI |
293 | int produced, consumed; |
294 | DWORD r; | |
338b1bb2 | 295 | WORD char_attr; |
853895f6 KH |
296 | unsigned char *conversion_buffer; |
297 | struct coding_system *coding; | |
338b1bb2 JR |
298 | |
299 | if (len <= 0) | |
300 | return; | |
b47278e1 | 301 | |
853895f6 KH |
302 | /* If terminal_coding does any conversion, use it, otherwise use |
303 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
304 | because it always return 1 if the member src_multibyte is 1. */ | |
1c30a66f JR |
305 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
306 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
8c2ac482 JR |
307 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
308 | the tail. */ | |
1c30a66f | 309 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
6cdfb6e6 | 310 | |
8c2ac482 | 311 | while (len > 0) |
6cdfb6e6 | 312 | { |
8c2ac482 JR |
313 | /* Identify a run of glyphs with the same face. */ |
314 | int face_id = string->face_id; | |
315 | int n; | |
177c0ea7 | 316 | |
8c2ac482 JR |
317 | for (n = 1; n < len; ++n) |
318 | if (string[n].face_id != face_id) | |
319 | break; | |
320 | ||
321 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 322 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 | 323 | |
853895f6 KH |
324 | if (n == len) |
325 | /* This is the last run. */ | |
326 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
327 | conversion_buffer = encode_terminal_code (string, n, coding); | |
328 | if (coding->produced > 0) | |
329 | { | |
330 | /* Set the attribute for these characters. */ | |
331 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
332 | coding->produced, cursor_coords, | |
333 | &r)) | |
8c2ac482 | 334 | { |
853895f6 KH |
335 | printf ("Failed writing console attributes: %d\n", |
336 | GetLastError ()); | |
337 | fflush (stdout); | |
338 | } | |
339 | ||
340 | /* Write the characters. */ | |
341 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, | |
342 | coding->produced, cursor_coords, | |
343 | &r)) | |
344 | { | |
345 | printf ("Failed writing console characters: %d\n", | |
346 | GetLastError ()); | |
347 | fflush (stdout); | |
348 | } | |
349 | ||
350 | cursor_coords.X += coding->produced; | |
1c30a66f | 351 | w32con_move_cursor (f, cursor_coords.Y, cursor_coords.X); |
853895f6 KH |
352 | } |
353 | len -= n; | |
354 | string += n; | |
6cdfb6e6 | 355 | } |
6cdfb6e6 RS |
356 | } |
357 | ||
8c2ac482 | 358 | |
7cb010ed | 359 | static void |
1c30a66f | 360 | w32con_delete_glyphs (struct frame *f, int n) |
6cdfb6e6 | 361 | { |
177c0ea7 JB |
362 | /* delete chars means scroll chars from cursor_coords.X + n to |
363 | cursor_coords.X, anything beyond the edge of the screen should | |
6cdfb6e6 RS |
364 | come out empty... */ |
365 | ||
1c30a66f | 366 | scroll_line (f, n, LEFT); |
6cdfb6e6 RS |
367 | } |
368 | ||
0534d577 | 369 | static unsigned int sound_type = 0xFFFFFFFF; |
78859b80 | 370 | #define MB_EMACS_SILENT (0xFFFFFFFF - 1) |
0534d577 | 371 | |
6cdfb6e6 | 372 | void |
1c30a66f | 373 | w32_sys_ring_bell (struct frame *f) |
6cdfb6e6 | 374 | { |
177c0ea7 | 375 | if (sound_type == 0xFFFFFFFF) |
78859b80 | 376 | { |
0534d577 | 377 | Beep (666, 100); |
78859b80 GV |
378 | } |
379 | else if (sound_type == MB_EMACS_SILENT) | |
380 | { | |
381 | /* Do nothing. */ | |
382 | } | |
0534d577 | 383 | else |
78859b80 | 384 | MessageBeep (sound_type); |
6cdfb6e6 RS |
385 | } |
386 | ||
0534d577 | 387 | DEFUN ("set-message-beep", Fset_message_beep, Sset_message_beep, 1, 1, 0, |
33f09670 JR |
388 | doc: /* Set the sound generated when the bell is rung. |
389 | SOUND is 'asterisk, 'exclamation, 'hand, 'question, 'ok, or 'silent | |
390 | to use the corresponding system sound for the bell. The 'silent sound | |
391 | prevents Emacs from making any sound at all. | |
392 | SOUND is nil to use the normal beep. */) | |
0534d577 KH |
393 | (sound) |
394 | Lisp_Object sound; | |
6cdfb6e6 | 395 | { |
b7826503 | 396 | CHECK_SYMBOL (sound); |
0534d577 | 397 | |
177c0ea7 | 398 | if (NILP (sound)) |
0534d577 KH |
399 | sound_type = 0xFFFFFFFF; |
400 | else if (EQ (sound, intern ("asterisk"))) | |
401 | sound_type = MB_ICONASTERISK; | |
177c0ea7 | 402 | else if (EQ (sound, intern ("exclamation"))) |
0534d577 | 403 | sound_type = MB_ICONEXCLAMATION; |
177c0ea7 | 404 | else if (EQ (sound, intern ("hand"))) |
0534d577 | 405 | sound_type = MB_ICONHAND; |
177c0ea7 | 406 | else if (EQ (sound, intern ("question"))) |
0534d577 | 407 | sound_type = MB_ICONQUESTION; |
177c0ea7 | 408 | else if (EQ (sound, intern ("ok"))) |
0534d577 | 409 | sound_type = MB_OK; |
78859b80 GV |
410 | else if (EQ (sound, intern ("silent"))) |
411 | sound_type = MB_EMACS_SILENT; | |
0534d577 KH |
412 | else |
413 | sound_type = 0xFFFFFFFF; | |
414 | ||
415 | return sound; | |
6cdfb6e6 | 416 | } |
177c0ea7 | 417 | |
7cb010ed | 418 | static void |
1c30a66f | 419 | w32con_reset_terminal_modes (struct terminal *t) |
6cdfb6e6 | 420 | { |
3e671d90 | 421 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 422 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
423 | #else |
424 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
425 | #endif | |
426 | SetConsoleMode (keyboard_handle, prev_console_mode); | |
6cdfb6e6 RS |
427 | } |
428 | ||
7cb010ed | 429 | static void |
1c30a66f | 430 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
431 | { |
432 | CONSOLE_CURSOR_INFO cci; | |
433 | ||
3e671d90 GV |
434 | /* make cursor big and visible (100 on Win95 makes it disappear) */ |
435 | cci.dwSize = 99; | |
436 | cci.bVisible = TRUE; | |
437 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 438 | |
3e671d90 | 439 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 440 | |
3e671d90 | 441 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 442 | |
3e671d90 GV |
443 | /* Initialize input mode: interrupt_input off, no flow control, allow |
444 | 8 bit character input, standard quit char. */ | |
445 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
446 | } |
447 | ||
448 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
449 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 450 | |
6cdfb6e6 | 451 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
452 | static void |
453 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
454 | { |
455 | } | |
456 | ||
7cb010ed JR |
457 | static void |
458 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
459 | { |
460 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
461 | } | |
462 | ||
7cb010ed | 463 | static void |
1c30a66f | 464 | w32con_set_terminal_window (struct frame *f, int size) |
6cdfb6e6 RS |
465 | { |
466 | } | |
467 | ||
8c2ac482 JR |
468 | /*********************************************************************** |
469 | Faces | |
470 | ***********************************************************************/ | |
471 | ||
472 | ||
473 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
474 | ||
338b1bb2 JR |
475 | static WORD |
476 | w32_face_attributes (f, face_id) | |
8c2ac482 JR |
477 | struct frame *f; |
478 | int face_id; | |
479 | { | |
338b1bb2 | 480 | WORD char_attr; |
8c2ac482 JR |
481 | struct face *face = FACE_FROM_ID (f, face_id); |
482 | ||
483 | xassert (face != NULL); | |
484 | ||
485 | char_attr = char_attr_normal; | |
486 | ||
338b1bb2 JR |
487 | if (face->foreground != FACE_TTY_DEFAULT_FG_COLOR |
488 | && face->foreground != FACE_TTY_DEFAULT_COLOR) | |
489 | char_attr = (char_attr & 0xfff0) + (face->foreground % 16); | |
490 | ||
491 | if (face->background != FACE_TTY_DEFAULT_BG_COLOR | |
492 | && face->background != FACE_TTY_DEFAULT_COLOR) | |
177c0ea7 | 493 | char_attr = (char_attr & 0xff0f) + ((face->background % 16) << 4); |
338b1bb2 | 494 | |
8c2ac482 | 495 | |
b93b26cb JR |
496 | /* NTEMACS_TODO: Faces defined during startup get both foreground |
497 | and background of 0. Need a better way around this - for now detect | |
498 | the problem and invert one of the faces to make the text readable. */ | |
338b1bb2 JR |
499 | if (((char_attr & 0x00f0) >> 4) == (char_attr & 0x000f)) |
500 | char_attr ^= 0x0007; | |
8c2ac482 | 501 | |
e850a615 | 502 | if (face->tty_reverse_p) |
338b1bb2 JR |
503 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
504 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 505 | |
338b1bb2 | 506 | return char_attr; |
8c2ac482 JR |
507 | } |
508 | ||
509 | ||
338b1bb2 | 510 | /* Emulation of some X window features from xfns.c and xfaces.c. */ |
8c2ac482 | 511 | |
338b1bb2 JR |
512 | extern char unspecified_fg[], unspecified_bg[]; |
513 | ||
514 | ||
515 | /* Given a color index, return its standard name. */ | |
516 | Lisp_Object | |
517 | vga_stdcolor_name (int idx) | |
8c2ac482 | 518 | { |
338b1bb2 JR |
519 | /* Standard VGA colors, in the order of their standard numbering |
520 | in the default VGA palette. */ | |
521 | static char *vga_colors[16] = { | |
522 | "black", "blue", "green", "cyan", "red", "magenta", "brown", | |
523 | "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan", | |
524 | "lightred", "lightmagenta", "yellow", "white" | |
525 | }; | |
526 | ||
527 | extern Lisp_Object Qunspecified; | |
528 | ||
529 | if (idx >= 0 && idx < sizeof (vga_colors) / sizeof (vga_colors[0])) | |
530 | return build_string (vga_colors[idx]); | |
531 | else | |
532 | return Qunspecified; /* meaning the default */ | |
8c2ac482 | 533 | } |
338b1bb2 | 534 | |
6cdfb6e6 RS |
535 | typedef int (*term_hook) (); |
536 | ||
537 | void | |
79af260e | 538 | initialize_w32_display (struct terminal *term) |
6cdfb6e6 RS |
539 | { |
540 | CONSOLE_SCREEN_BUFFER_INFO info; | |
1c30a66f | 541 | |
9b8f0fc3 | 542 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f JR |
543 | term->cursor_to_hook = w32con_move_cursor; |
544 | term->raw_cursor_to_hook = w32con_move_cursor; | |
545 | term->clear_to_end_hook = w32con_clear_to_end; | |
546 | term->clear_frame_hook = w32con_clear_frame; | |
547 | term->clear_end_of_line_hook = w32con_clear_end_of_line; | |
548 | term->ins_del_lines_hook = w32con_ins_del_lines; | |
549 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
550 | term->write_glyphs_hook = w32con_write_glyphs; | |
551 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
552 | term->ring_bell_hook = w32_sys_ring_bell; | |
553 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; | |
554 | term->set_terminal_modes_hook = w32con_set_terminal_modes; | |
555 | term->set_terminal_window_hook = w32con_set_terminal_window; | |
556 | term->update_begin_hook = w32con_update_begin; | |
557 | term->update_end_hook = w32con_update_end; | |
558 | ||
559 | term->read_socket_hook = w32_console_read_socket; | |
560 | term->mouse_position_hook = w32_console_mouse_position; | |
3e671d90 | 561 | |
9b8f0fc3 JR |
562 | /* The following are not used on the console. */ |
563 | term->frame_rehighlight_hook = 0; | |
564 | term->frame_raise_lower_hook = 0; | |
565 | term->set_vertical_scroll_bar_hook = 0; | |
566 | term->condemn_scroll_bars_hook = 0; | |
567 | term->redeem_scroll_bar_hook = 0; | |
568 | term->judge_scroll_bars_hook = 0; | |
569 | term->frame_up_to_date_hook = 0; | |
570 | ||
c1e06681 AI |
571 | /* Initialize interrupt_handle. */ |
572 | init_crit (); | |
573 | ||
3e671d90 GV |
574 | /* Remember original console settings. */ |
575 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
576 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
577 | ||
6cdfb6e6 | 578 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 579 | |
3e671d90 GV |
580 | #ifdef USE_SEPARATE_SCREEN |
581 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
582 | 0, NULL, | |
583 | CONSOLE_TEXTMODE_BUFFER, | |
584 | NULL); | |
585 | ||
586 | if (cur_screen == INVALID_HANDLE_VALUE) | |
587 | { | |
588 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
589 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
590 | fflush (stdout); | |
591 | exit (0); | |
592 | } | |
593 | #else | |
594 | cur_screen = prev_screen; | |
595 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
596 | #endif | |
597 | ||
191100f2 AI |
598 | /* Respect setting of LINES and COLUMNS environment variables. */ |
599 | { | |
600 | char * lines = getenv("LINES"); | |
601 | char * columns = getenv("COLUMNS"); | |
602 | ||
603 | if (lines != NULL && columns != NULL) | |
604 | { | |
605 | SMALL_RECT new_win_dims; | |
606 | COORD new_size; | |
607 | ||
608 | new_size.X = atoi (columns); | |
609 | new_size.Y = atoi (lines); | |
610 | ||
611 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
612 | ||
613 | /* Shrink the window first, so the buffer dimensions can be | |
614 | reduced if necessary. */ | |
615 | new_win_dims.Top = 0; | |
616 | new_win_dims.Left = 0; | |
617 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
618 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
619 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
620 | ||
621 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
622 | ||
623 | /* Set the window size to match the buffer dimension. */ | |
624 | new_win_dims.Top = 0; | |
625 | new_win_dims.Left = 0; | |
626 | new_win_dims.Bottom = new_size.Y - 1; | |
627 | new_win_dims.Right = new_size.X - 1; | |
628 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
629 | } | |
630 | } | |
631 | ||
6cdfb6e6 | 632 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 633 | |
338b1bb2 | 634 | char_attr_normal = info.wAttributes; |
938469f2 | 635 | |
3fb1d72b JR |
636 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
637 | is realistic. Old MS Telnet servers used to only fill out | |
638 | the dwSize portion, even modern one fill the whole struct with | |
639 | garbage when using non-MS telnet clients. */ | |
640 | if ((w32_use_full_screen_buffer | |
641 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
642 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
643 | || (!w32_use_full_screen_buffer | |
644 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
645 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
646 | || info.srWindow.Right - info.srWindow.Left < 40 | |
647 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
648 | { | |
649 | FRAME_LINES (SELECTED_FRAME ()) = 25; | |
650 | SET_FRAME_COLS (SELECTED_FRAME (), 80); | |
651 | } | |
652 | ||
653 | else if (w32_use_full_screen_buffer) | |
191100f2 | 654 | { |
90022f5a KS |
655 | FRAME_LINES (SELECTED_FRAME ()) = info.dwSize.Y; /* lines per page */ |
656 | SET_FRAME_COLS (SELECTED_FRAME (), info.dwSize.X); /* characters per line */ | |
191100f2 AI |
657 | } |
658 | else | |
659 | { | |
660 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
90022f5a | 661 | FRAME_LINES (SELECTED_FRAME ()) = 1 + info.srWindow.Bottom - |
177c0ea7 | 662 | info.srWindow.Top; |
191100f2 | 663 | /* Characters per line. Use buffer coords instead of buffer size. */ |
90022f5a | 664 | SET_FRAME_COLS (SELECTED_FRAME (), 1 + info.srWindow.Right - |
191100f2 AI |
665 | info.srWindow.Left); |
666 | } | |
65fb143c JR |
667 | |
668 | /* Setup w32_display_info structure for this frame. */ | |
669 | ||
670 | w32_initialize_display_info (build_string ("Console")); | |
671 | ||
6cdfb6e6 RS |
672 | } |
673 | ||
1c30a66f | 674 | |
6cdfb6e6 | 675 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
33f09670 | 676 | doc: /* Set screen colors. */) |
6cdfb6e6 RS |
677 | (foreground, background) |
678 | Lisp_Object foreground; | |
679 | Lisp_Object background; | |
680 | { | |
681 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
682 | |
683 | Frecenter (Qnil); | |
684 | return Qt; | |
685 | } | |
686 | ||
687 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, | |
33f09670 | 688 | doc: /* Set cursor size. */) |
6cdfb6e6 RS |
689 | (size) |
690 | Lisp_Object size; | |
691 | { | |
692 | CONSOLE_CURSOR_INFO cci; | |
693 | cci.dwSize = XFASTINT (size); | |
694 | cci.bVisible = TRUE; | |
695 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 696 | |
6cdfb6e6 RS |
697 | return Qt; |
698 | } | |
699 | ||
0534d577 | 700 | void |
6cdfb6e6 RS |
701 | syms_of_ntterm () |
702 | { | |
191100f2 AI |
703 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
704 | &w32_use_full_screen_buffer, | |
33f09670 | 705 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 706 | This is desirable when running Emacs over telnet. |
33f09670 JR |
707 | A value of nil means use the current console window dimensions; this |
708 | may be preferrable when working directly at the console with a large | |
709 | scroll-back buffer. */); | |
3fb1d72b | 710 | w32_use_full_screen_buffer = 0; |
191100f2 | 711 | |
6cdfb6e6 RS |
712 | defsubr (&Sset_screen_color); |
713 | defsubr (&Sset_cursor_size); | |
0534d577 | 714 | defsubr (&Sset_message_beep); |
6cdfb6e6 | 715 | } |
ab5796a9 MB |
716 | |
717 | /* arch-tag: a390a07f-f661-42bc-aeb4-e6d8bf860337 | |
718 | (do not change this comment) */ |