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" |
65fb143c | 38 | #include "frame.h" |
1c30a66f JR |
39 | #include "termhooks.h" |
40 | #include "termchar.h" | |
41 | #include "dispextern.h" | |
489f9371 | 42 | #include "w32inevt.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 | ||
1c30a66f JR |
53 | static void w32con_move_cursor (struct frame *f, int row, int col); |
54 | static void w32con_clear_to_end (struct frame *f); | |
55 | static void w32con_clear_frame (struct frame *f); | |
56 | static void w32con_clear_end_of_line (struct frame *f, int); | |
57 | static void w32con_ins_del_lines (struct frame *f, int vpos, int n); | |
58 | static void w32con_insert_glyphs (struct frame *f, struct glyph *start, int len); | |
59 | static void w32con_write_glyphs (struct frame *f, struct glyph *string, int len); | |
60 | static void w32con_delete_glyphs (struct frame *f, int n); | |
61 | static void w32con_reset_terminal_modes (struct terminal *t); | |
62 | static void w32con_set_terminal_modes (struct terminal *t); | |
63 | static void w32con_set_terminal_window (struct frame *f, int size); | |
7cb010ed JR |
64 | static void w32con_update_begin (struct frame * f); |
65 | static void w32con_update_end (struct frame * f); | |
338b1bb2 | 66 | static WORD w32_face_attributes (struct frame *f, int face_id); |
6cdfb6e6 | 67 | |
338b1bb2 JR |
68 | static COORD cursor_coords; |
69 | static HANDLE prev_screen, cur_screen; | |
70 | static WORD char_attr_normal; | |
71 | static DWORD prev_console_mode; | |
6cdfb6e6 | 72 | |
3e671d90 | 73 | #ifndef USE_SEPARATE_SCREEN |
338b1bb2 | 74 | static CONSOLE_CURSOR_INFO prev_console_cursor; |
3e671d90 GV |
75 | #endif |
76 | ||
b510360c JR |
77 | extern Lisp_Object Vtty_defined_color_alist; |
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 | 166 | SMALL_RECT scroll; |
09320d30 | 167 | SMALL_RECT clip; |
6cdfb6e6 RS |
168 | COORD dest; |
169 | CHAR_INFO fill; | |
6cdfb6e6 RS |
170 | |
171 | if (n < 0) | |
172 | { | |
173 | scroll.Top = vpos - n; | |
90022f5a | 174 | scroll.Bottom = FRAME_LINES (f); |
6cdfb6e6 RS |
175 | dest.Y = vpos; |
176 | } | |
177 | else | |
178 | { | |
179 | scroll.Top = vpos; | |
90022f5a | 180 | scroll.Bottom = FRAME_LINES (f) - n; |
6cdfb6e6 RS |
181 | dest.Y = vpos + n; |
182 | } | |
09320d30 JR |
183 | clip.Top = clip.Left = scroll.Left = 0; |
184 | clip.Right = scroll.Right = FRAME_COLS (f); | |
185 | clip.Bottom = FRAME_LINES (f); | |
177c0ea7 | 186 | |
6cdfb6e6 | 187 | dest.X = 0; |
177c0ea7 | 188 | |
6cdfb6e6 | 189 | fill.Char.AsciiChar = 0x20; |
338b1bb2 | 190 | fill.Attributes = char_attr_normal; |
177c0ea7 | 191 | |
09320d30 | 192 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 | 193 | |
fbd6baed | 194 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
195 | region looks like abc and we scroll c to a and fill with d we get |
196 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
197 | Emacs expects cdd consistently... So we have to deal with that | |
198 | here... (this also occurs scrolling the same way in the other | |
199 | direction. */ | |
200 | ||
201 | if (n > 0) | |
202 | { | |
203 | if (scroll.Bottom < dest.Y) | |
204 | { | |
205 | for (i = scroll.Bottom; i < dest.Y; i++) | |
206 | { | |
1c30a66f JR |
207 | w32con_move_cursor (f, i, 0); |
208 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
209 | } |
210 | } | |
211 | } | |
212 | else | |
213 | { | |
214 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
215 | ||
216 | if (nb < scroll.Top) | |
177c0ea7 | 217 | { |
6cdfb6e6 RS |
218 | for (i = nb; i < scroll.Top; i++) |
219 | { | |
1c30a66f JR |
220 | w32con_move_cursor (f, i, 0); |
221 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
222 | } |
223 | } | |
224 | } | |
177c0ea7 | 225 | |
6cdfb6e6 RS |
226 | cursor_coords.X = 0; |
227 | cursor_coords.Y = vpos; | |
6cdfb6e6 RS |
228 | } |
229 | ||
230 | #undef LEFT | |
231 | #undef RIGHT | |
232 | #define LEFT 1 | |
233 | #define RIGHT 0 | |
234 | ||
4fdbdbbd | 235 | static void |
1c30a66f | 236 | scroll_line (struct frame *f, int dist, int direction) |
6cdfb6e6 RS |
237 | { |
238 | /* The idea here is to implement a horizontal scroll in one line to | |
239 | implement delete and half of insert. */ | |
09320d30 | 240 | SMALL_RECT scroll, clip; |
6cdfb6e6 RS |
241 | COORD dest; |
242 | CHAR_INFO fill; | |
177c0ea7 | 243 | |
09320d30 JR |
244 | clip.Top = scroll.Top = clip.Bottom = scroll.Bottom = cursor_coords.Y; |
245 | clip.Left = 0; | |
246 | clip.Right = FRAME_COLS (f); | |
177c0ea7 | 247 | |
6cdfb6e6 RS |
248 | if (direction == LEFT) |
249 | { | |
250 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 251 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
252 | } |
253 | else | |
254 | { | |
255 | scroll.Left = cursor_coords.X; | |
90022f5a | 256 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 257 | } |
177c0ea7 | 258 | |
6cdfb6e6 RS |
259 | dest.X = cursor_coords.X; |
260 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 261 | |
6cdfb6e6 | 262 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
263 | fill.Attributes = char_attr_normal; |
264 | ||
09320d30 | 265 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 RS |
266 | } |
267 | ||
268 | ||
269 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 270 | static void |
1c30a66f | 271 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, register int len) |
6cdfb6e6 | 272 | { |
1c30a66f | 273 | scroll_line (f, len, RIGHT); |
6cdfb6e6 RS |
274 | |
275 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
276 | if (start) | |
277 | { | |
278 | /* Print the first len characters of start, cursor_coords.X adjusted | |
279 | by write_glyphs. */ | |
177c0ea7 | 280 | |
1c30a66f | 281 | w32con_write_glyphs (f, start, len); |
6cdfb6e6 RS |
282 | } |
283 | else | |
284 | { | |
1c30a66f | 285 | w32con_clear_end_of_line (f, cursor_coords.X + len); |
6cdfb6e6 RS |
286 | } |
287 | } | |
288 | ||
853895f6 | 289 | extern unsigned char *encode_terminal_code P_ ((struct glyph *, int, |
29e1d29d | 290 | struct coding_system *)); |
853895f6 | 291 | |
7cb010ed | 292 | static void |
1c30a66f JR |
293 | w32con_write_glyphs (struct frame *f, register struct glyph *string, |
294 | register int len) | |
6cdfb6e6 | 295 | { |
84f5bd81 | 296 | DWORD r; |
338b1bb2 | 297 | WORD char_attr; |
853895f6 KH |
298 | unsigned char *conversion_buffer; |
299 | struct coding_system *coding; | |
338b1bb2 JR |
300 | |
301 | if (len <= 0) | |
302 | return; | |
b47278e1 | 303 | |
853895f6 KH |
304 | /* If terminal_coding does any conversion, use it, otherwise use |
305 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
306 | because it always return 1 if the member src_multibyte is 1. */ | |
1c30a66f JR |
307 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
308 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
8c2ac482 JR |
309 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
310 | the tail. */ | |
1c30a66f | 311 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
6cdfb6e6 | 312 | |
8c2ac482 | 313 | while (len > 0) |
6cdfb6e6 | 314 | { |
8c2ac482 JR |
315 | /* Identify a run of glyphs with the same face. */ |
316 | int face_id = string->face_id; | |
317 | int n; | |
177c0ea7 | 318 | |
8c2ac482 JR |
319 | for (n = 1; n < len; ++n) |
320 | if (string[n].face_id != face_id) | |
321 | break; | |
322 | ||
323 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 324 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 | 325 | |
853895f6 KH |
326 | if (n == len) |
327 | /* This is the last run. */ | |
328 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
329 | conversion_buffer = encode_terminal_code (string, n, coding); | |
330 | if (coding->produced > 0) | |
331 | { | |
332 | /* Set the attribute for these characters. */ | |
333 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
334 | coding->produced, cursor_coords, | |
335 | &r)) | |
8c2ac482 | 336 | { |
853895f6 KH |
337 | printf ("Failed writing console attributes: %d\n", |
338 | GetLastError ()); | |
339 | fflush (stdout); | |
340 | } | |
341 | ||
342 | /* Write the characters. */ | |
343 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, | |
344 | coding->produced, cursor_coords, | |
345 | &r)) | |
346 | { | |
347 | printf ("Failed writing console characters: %d\n", | |
348 | GetLastError ()); | |
349 | fflush (stdout); | |
350 | } | |
351 | ||
352 | cursor_coords.X += coding->produced; | |
1c30a66f | 353 | w32con_move_cursor (f, cursor_coords.Y, cursor_coords.X); |
853895f6 KH |
354 | } |
355 | len -= n; | |
356 | string += n; | |
6cdfb6e6 | 357 | } |
6cdfb6e6 RS |
358 | } |
359 | ||
8c2ac482 | 360 | |
7cb010ed | 361 | static void |
1c30a66f | 362 | w32con_delete_glyphs (struct frame *f, int n) |
6cdfb6e6 | 363 | { |
177c0ea7 JB |
364 | /* delete chars means scroll chars from cursor_coords.X + n to |
365 | cursor_coords.X, anything beyond the edge of the screen should | |
6cdfb6e6 RS |
366 | come out empty... */ |
367 | ||
1c30a66f | 368 | scroll_line (f, n, LEFT); |
6cdfb6e6 RS |
369 | } |
370 | ||
0534d577 | 371 | static unsigned int sound_type = 0xFFFFFFFF; |
78859b80 | 372 | #define MB_EMACS_SILENT (0xFFFFFFFF - 1) |
0534d577 | 373 | |
6cdfb6e6 | 374 | void |
1c30a66f | 375 | w32_sys_ring_bell (struct frame *f) |
6cdfb6e6 | 376 | { |
177c0ea7 | 377 | if (sound_type == 0xFFFFFFFF) |
78859b80 | 378 | { |
0534d577 | 379 | Beep (666, 100); |
78859b80 GV |
380 | } |
381 | else if (sound_type == MB_EMACS_SILENT) | |
382 | { | |
383 | /* Do nothing. */ | |
384 | } | |
0534d577 | 385 | else |
78859b80 | 386 | MessageBeep (sound_type); |
6cdfb6e6 RS |
387 | } |
388 | ||
0534d577 | 389 | DEFUN ("set-message-beep", Fset_message_beep, Sset_message_beep, 1, 1, 0, |
33f09670 JR |
390 | doc: /* Set the sound generated when the bell is rung. |
391 | SOUND is 'asterisk, 'exclamation, 'hand, 'question, 'ok, or 'silent | |
392 | to use the corresponding system sound for the bell. The 'silent sound | |
393 | prevents Emacs from making any sound at all. | |
394 | SOUND is nil to use the normal beep. */) | |
0534d577 KH |
395 | (sound) |
396 | Lisp_Object sound; | |
6cdfb6e6 | 397 | { |
b7826503 | 398 | CHECK_SYMBOL (sound); |
0534d577 | 399 | |
177c0ea7 | 400 | if (NILP (sound)) |
0534d577 KH |
401 | sound_type = 0xFFFFFFFF; |
402 | else if (EQ (sound, intern ("asterisk"))) | |
403 | sound_type = MB_ICONASTERISK; | |
177c0ea7 | 404 | else if (EQ (sound, intern ("exclamation"))) |
0534d577 | 405 | sound_type = MB_ICONEXCLAMATION; |
177c0ea7 | 406 | else if (EQ (sound, intern ("hand"))) |
0534d577 | 407 | sound_type = MB_ICONHAND; |
177c0ea7 | 408 | else if (EQ (sound, intern ("question"))) |
0534d577 | 409 | sound_type = MB_ICONQUESTION; |
177c0ea7 | 410 | else if (EQ (sound, intern ("ok"))) |
0534d577 | 411 | sound_type = MB_OK; |
78859b80 GV |
412 | else if (EQ (sound, intern ("silent"))) |
413 | sound_type = MB_EMACS_SILENT; | |
0534d577 KH |
414 | else |
415 | sound_type = 0xFFFFFFFF; | |
416 | ||
417 | return sound; | |
6cdfb6e6 | 418 | } |
177c0ea7 | 419 | |
7cb010ed | 420 | static void |
1c30a66f | 421 | w32con_reset_terminal_modes (struct terminal *t) |
6cdfb6e6 | 422 | { |
09320d30 JR |
423 | COORD dest; |
424 | CONSOLE_SCREEN_BUFFER_INFO info; | |
425 | int n; | |
426 | DWORD r; | |
427 | ||
428 | /* Clear the complete screen buffer. This is required because Emacs | |
429 | sets the cursor position to the top of the buffer, but there might | |
430 | be other output below the bottom of the Emacs frame if the screen buffer | |
431 | is larger than the window size. */ | |
432 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
433 | dest.X = 0; | |
434 | dest.Y = 0; | |
435 | n = info.dwSize.X * info.dwSize.Y; | |
436 | ||
437 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); | |
438 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
439 | /* Now that the screen is clear, put the cursor at the top. */ | |
440 | SetConsoleCursorPosition (cur_screen, dest); | |
441 | ||
3e671d90 | 442 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 443 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
444 | #else |
445 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
446 | #endif | |
09320d30 | 447 | |
3e671d90 | 448 | SetConsoleMode (keyboard_handle, prev_console_mode); |
6cdfb6e6 RS |
449 | } |
450 | ||
7cb010ed | 451 | static void |
1c30a66f | 452 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
453 | { |
454 | CONSOLE_CURSOR_INFO cci; | |
455 | ||
3e671d90 GV |
456 | /* make cursor big and visible (100 on Win95 makes it disappear) */ |
457 | cci.dwSize = 99; | |
458 | cci.bVisible = TRUE; | |
459 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 460 | |
3e671d90 | 461 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 462 | |
3e671d90 | 463 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 464 | |
3e671d90 GV |
465 | /* Initialize input mode: interrupt_input off, no flow control, allow |
466 | 8 bit character input, standard quit char. */ | |
467 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
468 | } |
469 | ||
470 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
471 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 472 | |
6cdfb6e6 | 473 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
474 | static void |
475 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
476 | { |
477 | } | |
478 | ||
7cb010ed JR |
479 | static void |
480 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
481 | { |
482 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
483 | } | |
484 | ||
7cb010ed | 485 | static void |
1c30a66f | 486 | w32con_set_terminal_window (struct frame *f, int size) |
6cdfb6e6 RS |
487 | { |
488 | } | |
489 | ||
8c2ac482 JR |
490 | /*********************************************************************** |
491 | Faces | |
492 | ***********************************************************************/ | |
493 | ||
494 | ||
495 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
496 | ||
338b1bb2 JR |
497 | static WORD |
498 | w32_face_attributes (f, face_id) | |
8c2ac482 JR |
499 | struct frame *f; |
500 | int face_id; | |
501 | { | |
338b1bb2 | 502 | WORD char_attr; |
8c2ac482 JR |
503 | struct face *face = FACE_FROM_ID (f, face_id); |
504 | ||
505 | xassert (face != NULL); | |
506 | ||
507 | char_attr = char_attr_normal; | |
508 | ||
338b1bb2 JR |
509 | if (face->foreground != FACE_TTY_DEFAULT_FG_COLOR |
510 | && face->foreground != FACE_TTY_DEFAULT_COLOR) | |
511 | char_attr = (char_attr & 0xfff0) + (face->foreground % 16); | |
512 | ||
513 | if (face->background != FACE_TTY_DEFAULT_BG_COLOR | |
514 | && face->background != FACE_TTY_DEFAULT_COLOR) | |
177c0ea7 | 515 | char_attr = (char_attr & 0xff0f) + ((face->background % 16) << 4); |
338b1bb2 | 516 | |
b510360c JR |
517 | /* Before the terminal is properly initialized, all colors map to 0. |
518 | If we get a face like this, use the normal terminal attributes. */ | |
519 | if (NILP (Vtty_defined_color_alist)) | |
520 | char_attr = char_attr_normal; | |
8c2ac482 | 521 | |
e850a615 | 522 | if (face->tty_reverse_p) |
338b1bb2 JR |
523 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
524 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 525 | |
338b1bb2 | 526 | return char_attr; |
8c2ac482 JR |
527 | } |
528 | ||
529 | ||
338b1bb2 JR |
530 | |
531 | /* Given a color index, return its standard name. */ | |
532 | Lisp_Object | |
533 | vga_stdcolor_name (int idx) | |
8c2ac482 | 534 | { |
338b1bb2 JR |
535 | /* Standard VGA colors, in the order of their standard numbering |
536 | in the default VGA palette. */ | |
537 | static char *vga_colors[16] = { | |
538 | "black", "blue", "green", "cyan", "red", "magenta", "brown", | |
539 | "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan", | |
540 | "lightred", "lightmagenta", "yellow", "white" | |
541 | }; | |
542 | ||
543 | extern Lisp_Object Qunspecified; | |
544 | ||
545 | if (idx >= 0 && idx < sizeof (vga_colors) / sizeof (vga_colors[0])) | |
546 | return build_string (vga_colors[idx]); | |
547 | else | |
548 | return Qunspecified; /* meaning the default */ | |
8c2ac482 | 549 | } |
338b1bb2 | 550 | |
6cdfb6e6 RS |
551 | typedef int (*term_hook) (); |
552 | ||
553 | void | |
79af260e | 554 | initialize_w32_display (struct terminal *term) |
6cdfb6e6 RS |
555 | { |
556 | CONSOLE_SCREEN_BUFFER_INFO info; | |
1c30a66f | 557 | |
9b8f0fc3 | 558 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f JR |
559 | term->cursor_to_hook = w32con_move_cursor; |
560 | term->raw_cursor_to_hook = w32con_move_cursor; | |
561 | term->clear_to_end_hook = w32con_clear_to_end; | |
562 | term->clear_frame_hook = w32con_clear_frame; | |
563 | term->clear_end_of_line_hook = w32con_clear_end_of_line; | |
564 | term->ins_del_lines_hook = w32con_ins_del_lines; | |
565 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
566 | term->write_glyphs_hook = w32con_write_glyphs; | |
567 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
568 | term->ring_bell_hook = w32_sys_ring_bell; | |
569 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; | |
570 | term->set_terminal_modes_hook = w32con_set_terminal_modes; | |
571 | term->set_terminal_window_hook = w32con_set_terminal_window; | |
572 | term->update_begin_hook = w32con_update_begin; | |
573 | term->update_end_hook = w32con_update_end; | |
574 | ||
575 | term->read_socket_hook = w32_console_read_socket; | |
576 | term->mouse_position_hook = w32_console_mouse_position; | |
3e671d90 | 577 | |
9b8f0fc3 JR |
578 | /* The following are not used on the console. */ |
579 | term->frame_rehighlight_hook = 0; | |
580 | term->frame_raise_lower_hook = 0; | |
581 | term->set_vertical_scroll_bar_hook = 0; | |
582 | term->condemn_scroll_bars_hook = 0; | |
583 | term->redeem_scroll_bar_hook = 0; | |
584 | term->judge_scroll_bars_hook = 0; | |
585 | term->frame_up_to_date_hook = 0; | |
586 | ||
c1e06681 AI |
587 | /* Initialize interrupt_handle. */ |
588 | init_crit (); | |
589 | ||
3e671d90 GV |
590 | /* Remember original console settings. */ |
591 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
592 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
593 | ||
6cdfb6e6 | 594 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 595 | |
3e671d90 GV |
596 | #ifdef USE_SEPARATE_SCREEN |
597 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
598 | 0, NULL, | |
599 | CONSOLE_TEXTMODE_BUFFER, | |
600 | NULL); | |
601 | ||
602 | if (cur_screen == INVALID_HANDLE_VALUE) | |
603 | { | |
604 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
605 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
606 | fflush (stdout); | |
607 | exit (0); | |
608 | } | |
609 | #else | |
610 | cur_screen = prev_screen; | |
611 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
612 | #endif | |
613 | ||
191100f2 AI |
614 | /* Respect setting of LINES and COLUMNS environment variables. */ |
615 | { | |
616 | char * lines = getenv("LINES"); | |
617 | char * columns = getenv("COLUMNS"); | |
618 | ||
619 | if (lines != NULL && columns != NULL) | |
620 | { | |
621 | SMALL_RECT new_win_dims; | |
622 | COORD new_size; | |
623 | ||
624 | new_size.X = atoi (columns); | |
625 | new_size.Y = atoi (lines); | |
626 | ||
627 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
628 | ||
629 | /* Shrink the window first, so the buffer dimensions can be | |
630 | reduced if necessary. */ | |
631 | new_win_dims.Top = 0; | |
632 | new_win_dims.Left = 0; | |
633 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
634 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
635 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
636 | ||
637 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
638 | ||
639 | /* Set the window size to match the buffer dimension. */ | |
640 | new_win_dims.Top = 0; | |
641 | new_win_dims.Left = 0; | |
642 | new_win_dims.Bottom = new_size.Y - 1; | |
643 | new_win_dims.Right = new_size.X - 1; | |
644 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
645 | } | |
646 | } | |
647 | ||
6cdfb6e6 | 648 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 649 | |
338b1bb2 | 650 | char_attr_normal = info.wAttributes; |
938469f2 | 651 | |
3fb1d72b JR |
652 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
653 | is realistic. Old MS Telnet servers used to only fill out | |
654 | the dwSize portion, even modern one fill the whole struct with | |
655 | garbage when using non-MS telnet clients. */ | |
656 | if ((w32_use_full_screen_buffer | |
657 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
658 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
659 | || (!w32_use_full_screen_buffer | |
660 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
661 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
662 | || info.srWindow.Right - info.srWindow.Left < 40 | |
663 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
664 | { | |
665 | FRAME_LINES (SELECTED_FRAME ()) = 25; | |
666 | SET_FRAME_COLS (SELECTED_FRAME (), 80); | |
667 | } | |
668 | ||
669 | else if (w32_use_full_screen_buffer) | |
191100f2 | 670 | { |
90022f5a KS |
671 | FRAME_LINES (SELECTED_FRAME ()) = info.dwSize.Y; /* lines per page */ |
672 | SET_FRAME_COLS (SELECTED_FRAME (), info.dwSize.X); /* characters per line */ | |
191100f2 AI |
673 | } |
674 | else | |
675 | { | |
676 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
90022f5a | 677 | FRAME_LINES (SELECTED_FRAME ()) = 1 + info.srWindow.Bottom - |
177c0ea7 | 678 | info.srWindow.Top; |
191100f2 | 679 | /* Characters per line. Use buffer coords instead of buffer size. */ |
90022f5a | 680 | SET_FRAME_COLS (SELECTED_FRAME (), 1 + info.srWindow.Right - |
191100f2 AI |
681 | info.srWindow.Left); |
682 | } | |
65fb143c JR |
683 | |
684 | /* Setup w32_display_info structure for this frame. */ | |
685 | ||
686 | w32_initialize_display_info (build_string ("Console")); | |
687 | ||
6cdfb6e6 RS |
688 | } |
689 | ||
1c30a66f | 690 | |
6cdfb6e6 | 691 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
33f09670 | 692 | doc: /* Set screen colors. */) |
6cdfb6e6 RS |
693 | (foreground, background) |
694 | Lisp_Object foreground; | |
695 | Lisp_Object background; | |
696 | { | |
697 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
698 | |
699 | Frecenter (Qnil); | |
700 | return Qt; | |
701 | } | |
702 | ||
703 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, | |
33f09670 | 704 | doc: /* Set cursor size. */) |
6cdfb6e6 RS |
705 | (size) |
706 | Lisp_Object size; | |
707 | { | |
708 | CONSOLE_CURSOR_INFO cci; | |
709 | cci.dwSize = XFASTINT (size); | |
710 | cci.bVisible = TRUE; | |
711 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 712 | |
6cdfb6e6 RS |
713 | return Qt; |
714 | } | |
715 | ||
0534d577 | 716 | void |
6cdfb6e6 RS |
717 | syms_of_ntterm () |
718 | { | |
191100f2 AI |
719 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
720 | &w32_use_full_screen_buffer, | |
33f09670 | 721 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 722 | This is desirable when running Emacs over telnet. |
33f09670 JR |
723 | A value of nil means use the current console window dimensions; this |
724 | may be preferrable when working directly at the console with a large | |
725 | scroll-back buffer. */); | |
3fb1d72b | 726 | w32_use_full_screen_buffer = 0; |
191100f2 | 727 | |
6cdfb6e6 RS |
728 | defsubr (&Sset_screen_color); |
729 | defsubr (&Sset_cursor_size); | |
0534d577 | 730 | defsubr (&Sset_message_beep); |
6cdfb6e6 | 731 | } |
ab5796a9 MB |
732 | |
733 | /* arch-tag: a390a07f-f661-42bc-aeb4-e6d8bf860337 | |
734 | (do not change this comment) */ |