Commit | Line | Data |
---|---|---|
e6b20d65 | 1 | /* Terminal hooks for GNU Emacs on the Microsoft W32 API. |
9ec0b715 GM |
2 | Copyright (C) 1992, 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
3 | 2008 Free Software Foundation, Inc. | |
6cdfb6e6 | 4 | |
3b7ad313 EN |
5 | This file is part of GNU Emacs. |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
3b7ad313 | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
3b7ad313 EN |
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 | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
6cdfb6e6 | 19 | |
9ec0b715 | 20 | /* |
6cdfb6e6 RS |
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" | |
83be827a | 34 | #include "character.h" |
8c2ac482 | 35 | #include "coding.h" |
6cdfb6e6 | 36 | #include "disptab.h" |
65fb143c | 37 | #include "frame.h" |
1c30a66f JR |
38 | #include "termhooks.h" |
39 | #include "termchar.h" | |
40 | #include "dispextern.h" | |
489f9371 | 41 | #include "w32inevt.h" |
6cdfb6e6 | 42 | |
0534d577 | 43 | /* from window.c */ |
6cdfb6e6 RS |
44 | extern Lisp_Object Frecenter (); |
45 | ||
46 | /* from keyboard.c */ | |
47 | extern int detect_input_pending (); | |
48 | ||
49 | /* from sysdep.c */ | |
50 | extern int read_input_pending (); | |
51 | ||
1c30a66f JR |
52 | static void w32con_move_cursor (struct frame *f, int row, int col); |
53 | static void w32con_clear_to_end (struct frame *f); | |
54 | static void w32con_clear_frame (struct frame *f); | |
55 | static void w32con_clear_end_of_line (struct frame *f, int); | |
56 | static void w32con_ins_del_lines (struct frame *f, int vpos, int n); | |
57 | static void w32con_insert_glyphs (struct frame *f, struct glyph *start, int len); | |
58 | static void w32con_write_glyphs (struct frame *f, struct glyph *string, int len); | |
59 | static void w32con_delete_glyphs (struct frame *f, int n); | |
60 | static void w32con_reset_terminal_modes (struct terminal *t); | |
61 | static void w32con_set_terminal_modes (struct terminal *t); | |
62 | static void w32con_set_terminal_window (struct frame *f, int size); | |
7cb010ed JR |
63 | static void w32con_update_begin (struct frame * f); |
64 | static void w32con_update_end (struct frame * f); | |
338b1bb2 | 65 | static WORD w32_face_attributes (struct frame *f, int face_id); |
6cdfb6e6 | 66 | |
338b1bb2 JR |
67 | static COORD cursor_coords; |
68 | static HANDLE prev_screen, cur_screen; | |
69 | static WORD char_attr_normal; | |
70 | static DWORD prev_console_mode; | |
6cdfb6e6 | 71 | |
3e671d90 | 72 | #ifndef USE_SEPARATE_SCREEN |
338b1bb2 | 73 | static CONSOLE_CURSOR_INFO prev_console_cursor; |
3e671d90 GV |
74 | #endif |
75 | ||
b510360c JR |
76 | extern Lisp_Object Vtty_defined_color_alist; |
77 | ||
191100f2 AI |
78 | /* Determine whether to make frame dimensions match the screen buffer, |
79 | or the current window size. The former is desirable when running | |
80 | over telnet, while the latter is more useful when working directly at | |
81 | the console with a large scroll-back buffer. */ | |
82 | int w32_use_full_screen_buffer; | |
338b1bb2 | 83 | HANDLE keyboard_handle; |
191100f2 | 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 | ||
6cdfb6e6 | 98 | |
1c30a66f | 99 | /* Move the cursor to (ROW, COL) on FRAME. */ |
4fdbdbbd | 100 | static void |
1c30a66f | 101 | w32con_move_cursor (struct frame *f, int row, int col) |
6cdfb6e6 RS |
102 | { |
103 | cursor_coords.X = col; | |
104 | cursor_coords.Y = row; | |
177c0ea7 | 105 | |
1c30a66f JR |
106 | /* TODO: for multi-tty support, cur_screen should be replaced with a |
107 | reference to the terminal for this frame. */ | |
108 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
6cdfb6e6 RS |
109 | } |
110 | ||
111 | /* Clear from cursor to end of screen. */ | |
4fdbdbbd | 112 | static void |
1c30a66f | 113 | w32con_clear_to_end (struct frame *f) |
6cdfb6e6 | 114 | { |
1c30a66f JR |
115 | w32con_clear_end_of_line (f, FRAME_COLS (f) - 1); |
116 | w32con_ins_del_lines (f, cursor_coords.Y, FRAME_LINES (f) - cursor_coords.Y - 1); | |
6cdfb6e6 RS |
117 | } |
118 | ||
119 | /* Clear the frame. */ | |
7cb010ed | 120 | static void |
1c30a66f | 121 | w32con_clear_frame (struct frame *f) |
6cdfb6e6 | 122 | { |
b47278e1 | 123 | COORD dest; |
84f5bd81 AI |
124 | int n; |
125 | DWORD r; | |
a5404e3a AI |
126 | CONSOLE_SCREEN_BUFFER_INFO info; |
127 | ||
128 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 129 | |
a5404e3a | 130 | /* Remember that the screen buffer might be wider than the window. */ |
90022f5a | 131 | n = FRAME_LINES (f) * info.dwSize.X; |
b47278e1 GV |
132 | dest.X = dest.Y = 0; |
133 | ||
338b1bb2 | 134 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
135 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
136 | ||
1c30a66f | 137 | w32con_move_cursor (f, 0, 0); |
6cdfb6e6 RS |
138 | } |
139 | ||
140 | ||
8c2ac482 | 141 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
142 | static BOOL ceol_initialized = FALSE; |
143 | ||
144 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
7cb010ed | 145 | static void |
1c30a66f | 146 | w32con_clear_end_of_line (struct frame *f, int end) |
6cdfb6e6 RS |
147 | { |
148 | if (!ceol_initialized) | |
149 | { | |
150 | int i; | |
151 | for (i = 0; i < 256; i++) | |
152 | { | |
8c2ac482 | 153 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
154 | } |
155 | ceol_initialized = TRUE; | |
156 | } | |
1c30a66f | 157 | w32con_write_glyphs (f, glyph_base, end - cursor_coords.X); /* fencepost ? */ |
6cdfb6e6 RS |
158 | } |
159 | ||
160 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
7cb010ed | 161 | static void |
1c30a66f | 162 | w32con_ins_del_lines (struct frame *f, int vpos, int n) |
6cdfb6e6 | 163 | { |
e850a615 | 164 | int i, nb; |
6cdfb6e6 | 165 | SMALL_RECT scroll; |
09320d30 | 166 | SMALL_RECT clip; |
6cdfb6e6 RS |
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 | } | |
09320d30 JR |
182 | clip.Top = clip.Left = scroll.Left = 0; |
183 | clip.Right = scroll.Right = FRAME_COLS (f); | |
184 | clip.Bottom = FRAME_LINES (f); | |
177c0ea7 | 185 | |
6cdfb6e6 | 186 | dest.X = 0; |
177c0ea7 | 187 | |
6cdfb6e6 | 188 | fill.Char.AsciiChar = 0x20; |
338b1bb2 | 189 | fill.Attributes = char_attr_normal; |
177c0ea7 | 190 | |
09320d30 | 191 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 | 192 | |
fbd6baed | 193 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
194 | region looks like abc and we scroll c to a and fill with d we get |
195 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
196 | Emacs expects cdd consistently... So we have to deal with that | |
197 | here... (this also occurs scrolling the same way in the other | |
198 | direction. */ | |
199 | ||
200 | if (n > 0) | |
201 | { | |
202 | if (scroll.Bottom < dest.Y) | |
203 | { | |
204 | for (i = scroll.Bottom; i < dest.Y; i++) | |
205 | { | |
1c30a66f JR |
206 | w32con_move_cursor (f, i, 0); |
207 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
208 | } |
209 | } | |
210 | } | |
211 | else | |
212 | { | |
213 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
214 | ||
215 | if (nb < scroll.Top) | |
177c0ea7 | 216 | { |
6cdfb6e6 RS |
217 | for (i = nb; i < scroll.Top; i++) |
218 | { | |
1c30a66f JR |
219 | w32con_move_cursor (f, i, 0); |
220 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
221 | } |
222 | } | |
223 | } | |
177c0ea7 | 224 | |
6cdfb6e6 RS |
225 | cursor_coords.X = 0; |
226 | cursor_coords.Y = vpos; | |
6cdfb6e6 RS |
227 | } |
228 | ||
229 | #undef LEFT | |
230 | #undef RIGHT | |
231 | #define LEFT 1 | |
232 | #define RIGHT 0 | |
233 | ||
4fdbdbbd | 234 | static void |
1c30a66f | 235 | scroll_line (struct frame *f, int dist, int direction) |
6cdfb6e6 RS |
236 | { |
237 | /* The idea here is to implement a horizontal scroll in one line to | |
238 | implement delete and half of insert. */ | |
09320d30 | 239 | SMALL_RECT scroll, clip; |
6cdfb6e6 RS |
240 | COORD dest; |
241 | CHAR_INFO fill; | |
177c0ea7 | 242 | |
09320d30 JR |
243 | clip.Top = scroll.Top = clip.Bottom = scroll.Bottom = cursor_coords.Y; |
244 | clip.Left = 0; | |
245 | clip.Right = FRAME_COLS (f); | |
177c0ea7 | 246 | |
6cdfb6e6 RS |
247 | if (direction == LEFT) |
248 | { | |
249 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 250 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
251 | } |
252 | else | |
253 | { | |
254 | scroll.Left = cursor_coords.X; | |
90022f5a | 255 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 256 | } |
177c0ea7 | 257 | |
6cdfb6e6 RS |
258 | dest.X = cursor_coords.X; |
259 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 260 | |
6cdfb6e6 | 261 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
262 | fill.Attributes = char_attr_normal; |
263 | ||
09320d30 | 264 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 RS |
265 | } |
266 | ||
267 | ||
268 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 269 | static void |
1c30a66f | 270 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, register int len) |
6cdfb6e6 | 271 | { |
1c30a66f | 272 | scroll_line (f, len, RIGHT); |
6cdfb6e6 RS |
273 | |
274 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
275 | if (start) | |
276 | { | |
277 | /* Print the first len characters of start, cursor_coords.X adjusted | |
278 | by write_glyphs. */ | |
177c0ea7 | 279 | |
1c30a66f | 280 | w32con_write_glyphs (f, start, len); |
6cdfb6e6 RS |
281 | } |
282 | else | |
283 | { | |
1c30a66f | 284 | w32con_clear_end_of_line (f, cursor_coords.X + len); |
6cdfb6e6 RS |
285 | } |
286 | } | |
287 | ||
853895f6 | 288 | extern unsigned char *encode_terminal_code P_ ((struct glyph *, int, |
29e1d29d | 289 | struct coding_system *)); |
853895f6 | 290 | |
7cb010ed | 291 | static void |
1c30a66f JR |
292 | w32con_write_glyphs (struct frame *f, register struct glyph *string, |
293 | register int len) | |
6cdfb6e6 | 294 | { |
84f5bd81 | 295 | DWORD r; |
338b1bb2 | 296 | WORD char_attr; |
aee31bf1 KH |
297 | unsigned char *conversion_buffer; |
298 | struct coding_system *coding; | |
338b1bb2 JR |
299 | |
300 | if (len <= 0) | |
301 | return; | |
b47278e1 | 302 | |
aee31bf1 KH |
303 | /* If terminal_coding does any conversion, use it, otherwise use |
304 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
305 | because it always return 1 if the member src_multibyte is 1. */ | |
1c30a66f JR |
306 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
307 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
8c2ac482 JR |
308 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
309 | the tail. */ | |
1c30a66f | 310 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
6cdfb6e6 | 311 | |
8c2ac482 | 312 | while (len > 0) |
6cdfb6e6 | 313 | { |
8c2ac482 JR |
314 | /* Identify a run of glyphs with the same face. */ |
315 | int face_id = string->face_id; | |
316 | int n; | |
177c0ea7 | 317 | |
8c2ac482 JR |
318 | for (n = 1; n < len; ++n) |
319 | if (string[n].face_id != face_id) | |
320 | break; | |
321 | ||
322 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 323 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 | 324 | |
aee31bf1 KH |
325 | if (n == len) |
326 | /* This is the last run. */ | |
327 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
328 | conversion_buffer = encode_terminal_code (string, n, coding); | |
329 | if (coding->produced > 0) | |
330 | { | |
331 | /* Set the attribute for these characters. */ | |
332 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
333 | coding->produced, cursor_coords, | |
334 | &r)) | |
8c2ac482 | 335 | { |
aee31bf1 KH |
336 | printf ("Failed writing console attributes: %d\n", |
337 | GetLastError ()); | |
338 | fflush (stdout); | |
339 | } | |
340 | ||
341 | /* Write the characters. */ | |
56cc8ca9 | 342 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, |
aee31bf1 KH |
343 | coding->produced, cursor_coords, |
344 | &r)) | |
345 | { | |
346 | printf ("Failed writing console characters: %d\n", | |
347 | GetLastError ()); | |
348 | fflush (stdout); | |
349 | } | |
350 | ||
351 | cursor_coords.X += coding->produced; | |
1c30a66f | 352 | w32con_move_cursor (f, cursor_coords.Y, cursor_coords.X); |
aee31bf1 KH |
353 | } |
354 | len -= n; | |
355 | string += n; | |
6cdfb6e6 | 356 | } |
6cdfb6e6 RS |
357 | } |
358 | ||
8c2ac482 | 359 | |
7cb010ed | 360 | static void |
1c30a66f | 361 | w32con_delete_glyphs (struct frame *f, int n) |
6cdfb6e6 | 362 | { |
177c0ea7 JB |
363 | /* delete chars means scroll chars from cursor_coords.X + n to |
364 | cursor_coords.X, anything beyond the edge of the screen should | |
6cdfb6e6 RS |
365 | come out empty... */ |
366 | ||
1c30a66f | 367 | scroll_line (f, n, LEFT); |
6cdfb6e6 RS |
368 | } |
369 | ||
0534d577 | 370 | static unsigned int sound_type = 0xFFFFFFFF; |
78859b80 | 371 | #define MB_EMACS_SILENT (0xFFFFFFFF - 1) |
0534d577 | 372 | |
6cdfb6e6 | 373 | void |
1c30a66f | 374 | w32_sys_ring_bell (struct frame *f) |
6cdfb6e6 | 375 | { |
177c0ea7 | 376 | if (sound_type == 0xFFFFFFFF) |
78859b80 | 377 | { |
0534d577 | 378 | Beep (666, 100); |
78859b80 GV |
379 | } |
380 | else if (sound_type == MB_EMACS_SILENT) | |
381 | { | |
382 | /* Do nothing. */ | |
383 | } | |
0534d577 | 384 | else |
78859b80 | 385 | MessageBeep (sound_type); |
6cdfb6e6 RS |
386 | } |
387 | ||
0534d577 | 388 | DEFUN ("set-message-beep", Fset_message_beep, Sset_message_beep, 1, 1, 0, |
33f09670 JR |
389 | doc: /* Set the sound generated when the bell is rung. |
390 | SOUND is 'asterisk, 'exclamation, 'hand, 'question, 'ok, or 'silent | |
391 | to use the corresponding system sound for the bell. The 'silent sound | |
392 | prevents Emacs from making any sound at all. | |
393 | SOUND is nil to use the normal beep. */) | |
0534d577 KH |
394 | (sound) |
395 | Lisp_Object sound; | |
6cdfb6e6 | 396 | { |
b7826503 | 397 | CHECK_SYMBOL (sound); |
0534d577 | 398 | |
177c0ea7 | 399 | if (NILP (sound)) |
0534d577 KH |
400 | sound_type = 0xFFFFFFFF; |
401 | else if (EQ (sound, intern ("asterisk"))) | |
402 | sound_type = MB_ICONASTERISK; | |
177c0ea7 | 403 | else if (EQ (sound, intern ("exclamation"))) |
0534d577 | 404 | sound_type = MB_ICONEXCLAMATION; |
177c0ea7 | 405 | else if (EQ (sound, intern ("hand"))) |
0534d577 | 406 | sound_type = MB_ICONHAND; |
177c0ea7 | 407 | else if (EQ (sound, intern ("question"))) |
0534d577 | 408 | sound_type = MB_ICONQUESTION; |
177c0ea7 | 409 | else if (EQ (sound, intern ("ok"))) |
0534d577 | 410 | sound_type = MB_OK; |
78859b80 GV |
411 | else if (EQ (sound, intern ("silent"))) |
412 | sound_type = MB_EMACS_SILENT; | |
0534d577 KH |
413 | else |
414 | sound_type = 0xFFFFFFFF; | |
415 | ||
416 | return sound; | |
6cdfb6e6 | 417 | } |
177c0ea7 | 418 | |
7cb010ed | 419 | static void |
1c30a66f | 420 | w32con_reset_terminal_modes (struct terminal *t) |
6cdfb6e6 | 421 | { |
09320d30 JR |
422 | COORD dest; |
423 | CONSOLE_SCREEN_BUFFER_INFO info; | |
424 | int n; | |
425 | DWORD r; | |
426 | ||
427 | /* Clear the complete screen buffer. This is required because Emacs | |
428 | sets the cursor position to the top of the buffer, but there might | |
429 | be other output below the bottom of the Emacs frame if the screen buffer | |
430 | is larger than the window size. */ | |
431 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
432 | dest.X = 0; | |
433 | dest.Y = 0; | |
434 | n = info.dwSize.X * info.dwSize.Y; | |
435 | ||
436 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); | |
437 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
438 | /* Now that the screen is clear, put the cursor at the top. */ | |
439 | SetConsoleCursorPosition (cur_screen, dest); | |
440 | ||
3e671d90 | 441 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 442 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
443 | #else |
444 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
445 | #endif | |
09320d30 | 446 | |
3e671d90 | 447 | SetConsoleMode (keyboard_handle, prev_console_mode); |
6cdfb6e6 RS |
448 | } |
449 | ||
7cb010ed | 450 | static void |
1c30a66f | 451 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
452 | { |
453 | CONSOLE_CURSOR_INFO cci; | |
454 | ||
3e671d90 GV |
455 | /* make cursor big and visible (100 on Win95 makes it disappear) */ |
456 | cci.dwSize = 99; | |
457 | cci.bVisible = TRUE; | |
458 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 459 | |
3e671d90 | 460 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 461 | |
3e671d90 | 462 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 463 | |
3e671d90 GV |
464 | /* Initialize input mode: interrupt_input off, no flow control, allow |
465 | 8 bit character input, standard quit char. */ | |
466 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
467 | } |
468 | ||
469 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
470 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 471 | |
6cdfb6e6 | 472 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
473 | static void |
474 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
475 | { |
476 | } | |
477 | ||
7cb010ed JR |
478 | static void |
479 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
480 | { |
481 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
482 | } | |
483 | ||
7cb010ed | 484 | static void |
1c30a66f | 485 | w32con_set_terminal_window (struct frame *f, int size) |
6cdfb6e6 RS |
486 | { |
487 | } | |
488 | ||
8c2ac482 JR |
489 | /*********************************************************************** |
490 | Faces | |
491 | ***********************************************************************/ | |
492 | ||
493 | ||
494 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
495 | ||
338b1bb2 JR |
496 | static WORD |
497 | w32_face_attributes (f, face_id) | |
8c2ac482 JR |
498 | struct frame *f; |
499 | int face_id; | |
500 | { | |
338b1bb2 | 501 | WORD char_attr; |
8c2ac482 JR |
502 | struct face *face = FACE_FROM_ID (f, face_id); |
503 | ||
504 | xassert (face != NULL); | |
505 | ||
506 | char_attr = char_attr_normal; | |
507 | ||
f442d348 JR |
508 | /* Reverse the default color if requested. If background and |
509 | foreground are specified, then they have been reversed already. */ | |
e850a615 | 510 | if (face->tty_reverse_p) |
338b1bb2 JR |
511 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
512 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 513 | |
b510360c | 514 | /* Before the terminal is properly initialized, all colors map to 0. |
f442d348 | 515 | Don't try to resolve them. */ |
b510360c | 516 | if (NILP (Vtty_defined_color_alist)) |
f442d348 | 517 | return char_attr; |
8c2ac482 | 518 | |
30b7f3e6 JR |
519 | /* Colors should be in the range 0...15 unless they are one of |
520 | FACE_TTY_DEFAULT_COLOR, FACE_TTY_DEFAULT_FG_COLOR or | |
521 | FACE_TTY_DEFAULT_BG_COLOR. Other out of range colors are | |
522 | invalid, so it is better to use the default color if they ever | |
523 | get through to here. */ | |
524 | if (face->foreground >= 0 && face->foreground < 16) | |
f442d348 | 525 | char_attr = (char_attr & 0xfff0) + face->foreground; |
8c2ac482 | 526 | |
30b7f3e6 | 527 | if (face->background >= 0 && face->background < 16) |
f442d348 | 528 | char_attr = (char_attr & 0xff0f) + (face->background << 4); |
8c2ac482 | 529 | |
338b1bb2 | 530 | return char_attr; |
8c2ac482 | 531 | } |
8c2ac482 | 532 | |
338b1bb2 JR |
533 | |
534 | ||
535 | /* Given a color index, return its standard name. */ | |
536 | Lisp_Object | |
537 | vga_stdcolor_name (int idx) | |
8c2ac482 | 538 | { |
338b1bb2 JR |
539 | /* Standard VGA colors, in the order of their standard numbering |
540 | in the default VGA palette. */ | |
541 | static char *vga_colors[16] = { | |
542 | "black", "blue", "green", "cyan", "red", "magenta", "brown", | |
543 | "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan", | |
544 | "lightred", "lightmagenta", "yellow", "white" | |
545 | }; | |
546 | ||
547 | extern Lisp_Object Qunspecified; | |
548 | ||
549 | if (idx >= 0 && idx < sizeof (vga_colors) / sizeof (vga_colors[0])) | |
550 | return build_string (vga_colors[idx]); | |
551 | else | |
552 | return Qunspecified; /* meaning the default */ | |
8c2ac482 | 553 | } |
338b1bb2 | 554 | |
6cdfb6e6 RS |
555 | typedef int (*term_hook) (); |
556 | ||
557 | void | |
79af260e | 558 | initialize_w32_display (struct terminal *term) |
6cdfb6e6 RS |
559 | { |
560 | CONSOLE_SCREEN_BUFFER_INFO info; | |
177c0ea7 | 561 | |
9b8f0fc3 | 562 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f JR |
563 | term->cursor_to_hook = w32con_move_cursor; |
564 | term->raw_cursor_to_hook = w32con_move_cursor; | |
565 | term->clear_to_end_hook = w32con_clear_to_end; | |
566 | term->clear_frame_hook = w32con_clear_frame; | |
567 | term->clear_end_of_line_hook = w32con_clear_end_of_line; | |
568 | term->ins_del_lines_hook = w32con_ins_del_lines; | |
569 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
570 | term->write_glyphs_hook = w32con_write_glyphs; | |
571 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
572 | term->ring_bell_hook = w32_sys_ring_bell; | |
573 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; | |
574 | term->set_terminal_modes_hook = w32con_set_terminal_modes; | |
575 | term->set_terminal_window_hook = w32con_set_terminal_window; | |
576 | term->update_begin_hook = w32con_update_begin; | |
577 | term->update_end_hook = w32con_update_end; | |
578 | ||
579 | term->read_socket_hook = w32_console_read_socket; | |
580 | term->mouse_position_hook = w32_console_mouse_position; | |
3e671d90 | 581 | |
9b8f0fc3 JR |
582 | /* The following are not used on the console. */ |
583 | term->frame_rehighlight_hook = 0; | |
584 | term->frame_raise_lower_hook = 0; | |
585 | term->set_vertical_scroll_bar_hook = 0; | |
586 | term->condemn_scroll_bars_hook = 0; | |
587 | term->redeem_scroll_bar_hook = 0; | |
588 | term->judge_scroll_bars_hook = 0; | |
589 | term->frame_up_to_date_hook = 0; | |
3e671d90 | 590 | |
c1e06681 AI |
591 | /* Initialize interrupt_handle. */ |
592 | init_crit (); | |
593 | ||
3e671d90 GV |
594 | /* Remember original console settings. */ |
595 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
596 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
597 | ||
6cdfb6e6 | 598 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 599 | |
3e671d90 GV |
600 | #ifdef USE_SEPARATE_SCREEN |
601 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
602 | 0, NULL, | |
603 | CONSOLE_TEXTMODE_BUFFER, | |
604 | NULL); | |
605 | ||
606 | if (cur_screen == INVALID_HANDLE_VALUE) | |
607 | { | |
608 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
609 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
610 | fflush (stdout); | |
611 | exit (0); | |
612 | } | |
613 | #else | |
614 | cur_screen = prev_screen; | |
615 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
616 | #endif | |
617 | ||
191100f2 AI |
618 | /* Respect setting of LINES and COLUMNS environment variables. */ |
619 | { | |
620 | char * lines = getenv("LINES"); | |
621 | char * columns = getenv("COLUMNS"); | |
622 | ||
623 | if (lines != NULL && columns != NULL) | |
624 | { | |
625 | SMALL_RECT new_win_dims; | |
626 | COORD new_size; | |
627 | ||
628 | new_size.X = atoi (columns); | |
629 | new_size.Y = atoi (lines); | |
630 | ||
631 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
632 | ||
633 | /* Shrink the window first, so the buffer dimensions can be | |
634 | reduced if necessary. */ | |
635 | new_win_dims.Top = 0; | |
636 | new_win_dims.Left = 0; | |
637 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
638 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
639 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
640 | ||
641 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
642 | ||
643 | /* Set the window size to match the buffer dimension. */ | |
644 | new_win_dims.Top = 0; | |
645 | new_win_dims.Left = 0; | |
646 | new_win_dims.Bottom = new_size.Y - 1; | |
647 | new_win_dims.Right = new_size.X - 1; | |
648 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
649 | } | |
650 | } | |
651 | ||
6cdfb6e6 | 652 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 653 | |
338b1bb2 | 654 | char_attr_normal = info.wAttributes; |
938469f2 | 655 | |
3fb1d72b JR |
656 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
657 | is realistic. Old MS Telnet servers used to only fill out | |
658 | the dwSize portion, even modern one fill the whole struct with | |
659 | garbage when using non-MS telnet clients. */ | |
660 | if ((w32_use_full_screen_buffer | |
661 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
662 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
663 | || (!w32_use_full_screen_buffer | |
664 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
665 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
666 | || info.srWindow.Right - info.srWindow.Left < 40 | |
667 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
668 | { | |
669 | FRAME_LINES (SELECTED_FRAME ()) = 25; | |
670 | SET_FRAME_COLS (SELECTED_FRAME (), 80); | |
671 | } | |
672 | ||
673 | else if (w32_use_full_screen_buffer) | |
191100f2 | 674 | { |
90022f5a KS |
675 | FRAME_LINES (SELECTED_FRAME ()) = info.dwSize.Y; /* lines per page */ |
676 | SET_FRAME_COLS (SELECTED_FRAME (), info.dwSize.X); /* characters per line */ | |
191100f2 AI |
677 | } |
678 | else | |
679 | { | |
680 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
90022f5a | 681 | FRAME_LINES (SELECTED_FRAME ()) = 1 + info.srWindow.Bottom - |
177c0ea7 | 682 | info.srWindow.Top; |
191100f2 | 683 | /* Characters per line. Use buffer coords instead of buffer size. */ |
90022f5a | 684 | SET_FRAME_COLS (SELECTED_FRAME (), 1 + info.srWindow.Right - |
191100f2 AI |
685 | info.srWindow.Left); |
686 | } | |
65fb143c JR |
687 | |
688 | /* Setup w32_display_info structure for this frame. */ | |
689 | ||
690 | w32_initialize_display_info (build_string ("Console")); | |
691 | ||
6cdfb6e6 RS |
692 | } |
693 | ||
1c30a66f | 694 | |
6cdfb6e6 | 695 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
33f09670 | 696 | doc: /* Set screen colors. */) |
6cdfb6e6 RS |
697 | (foreground, background) |
698 | Lisp_Object foreground; | |
699 | Lisp_Object background; | |
700 | { | |
701 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
702 | |
703 | Frecenter (Qnil); | |
704 | return Qt; | |
705 | } | |
706 | ||
707 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, | |
33f09670 | 708 | doc: /* Set cursor size. */) |
6cdfb6e6 RS |
709 | (size) |
710 | Lisp_Object size; | |
711 | { | |
712 | CONSOLE_CURSOR_INFO cci; | |
713 | cci.dwSize = XFASTINT (size); | |
714 | cci.bVisible = TRUE; | |
715 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 716 | |
6cdfb6e6 RS |
717 | return Qt; |
718 | } | |
719 | ||
0534d577 | 720 | void |
6cdfb6e6 RS |
721 | syms_of_ntterm () |
722 | { | |
191100f2 AI |
723 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
724 | &w32_use_full_screen_buffer, | |
33f09670 | 725 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 726 | This is desirable when running Emacs over telnet. |
33f09670 JR |
727 | A value of nil means use the current console window dimensions; this |
728 | may be preferrable when working directly at the console with a large | |
729 | scroll-back buffer. */); | |
3fb1d72b | 730 | w32_use_full_screen_buffer = 0; |
191100f2 | 731 | |
6cdfb6e6 RS |
732 | defsubr (&Sset_screen_color); |
733 | defsubr (&Sset_cursor_size); | |
0534d577 | 734 | defsubr (&Sset_message_beep); |
6cdfb6e6 | 735 | } |
6b61353c KH |
736 | |
737 | /* arch-tag: a390a07f-f661-42bc-aeb4-e6d8bf860337 | |
738 | (do not change this comment) */ |