Commit | Line | Data |
---|---|---|
e6b20d65 | 1 | /* Terminal hooks for GNU Emacs on the Microsoft W32 API. |
73b0cd50 | 2 | Copyright (C) 1992, 1999, 2001-2011 Free Software Foundation, Inc. |
6cdfb6e6 | 3 | |
3b7ad313 EN |
4 | This file is part of GNU Emacs. |
5 | ||
9ec0b715 | 6 | GNU Emacs is free software: you can redistribute it and/or modify |
3b7ad313 | 7 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
8 | the Free Software Foundation, either version 3 of the License, or |
9 | (at your option) any later version. | |
3b7ad313 EN |
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 | |
9ec0b715 | 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
6cdfb6e6 | 18 | |
9ec0b715 | 19 | /* |
6cdfb6e6 RS |
20 | Tim Fleehart (apollo@online.com) 1-17-92 |
21 | Geoff Voelker (voelker@cs.washington.edu) 9-12-93 | |
22 | */ | |
23 | ||
24 | ||
6816efce GV |
25 | #include <config.h> |
26 | ||
6cdfb6e6 | 27 | #include <stdio.h> |
6cdfb6e6 | 28 | #include <windows.h> |
d7306fe6 | 29 | #include <setjmp.h> |
6cdfb6e6 RS |
30 | |
31 | #include "lisp.h" | |
83be827a | 32 | #include "character.h" |
8c2ac482 | 33 | #include "coding.h" |
6cdfb6e6 | 34 | #include "disptab.h" |
65fb143c | 35 | #include "frame.h" |
1c30a66f JR |
36 | #include "termhooks.h" |
37 | #include "termchar.h" | |
38 | #include "dispextern.h" | |
489f9371 | 39 | #include "w32inevt.h" |
6cdfb6e6 | 40 | |
0534d577 | 41 | /* from window.c */ |
b56ceb92 | 42 | extern Lisp_Object Frecenter (Lisp_Object); |
6cdfb6e6 RS |
43 | |
44 | /* from keyboard.c */ | |
b56ceb92 | 45 | extern int detect_input_pending (void); |
6cdfb6e6 RS |
46 | |
47 | /* from sysdep.c */ | |
b56ceb92 | 48 | extern int read_input_pending (void); |
6cdfb6e6 | 49 | |
1c30a66f JR |
50 | static void w32con_move_cursor (struct frame *f, int row, int col); |
51 | static void w32con_clear_to_end (struct frame *f); | |
52 | static void w32con_clear_frame (struct frame *f); | |
53 | static void w32con_clear_end_of_line (struct frame *f, int); | |
54 | static void w32con_ins_del_lines (struct frame *f, int vpos, int n); | |
55 | static void w32con_insert_glyphs (struct frame *f, struct glyph *start, int len); | |
56 | static void w32con_write_glyphs (struct frame *f, struct glyph *string, int len); | |
57 | static void w32con_delete_glyphs (struct frame *f, int n); | |
58 | static void w32con_reset_terminal_modes (struct terminal *t); | |
59 | static void w32con_set_terminal_modes (struct terminal *t); | |
60 | static void w32con_set_terminal_window (struct frame *f, int size); | |
7cb010ed JR |
61 | static void w32con_update_begin (struct frame * f); |
62 | static void w32con_update_end (struct frame * f); | |
338b1bb2 | 63 | static WORD w32_face_attributes (struct frame *f, int face_id); |
6cdfb6e6 | 64 | |
338b1bb2 JR |
65 | static COORD cursor_coords; |
66 | static HANDLE prev_screen, cur_screen; | |
67 | static WORD char_attr_normal; | |
b56ceb92 | 68 | static DWORD prev_console_mode; |
6cdfb6e6 | 69 | |
3e671d90 | 70 | #ifndef USE_SEPARATE_SCREEN |
338b1bb2 | 71 | static CONSOLE_CURSOR_INFO prev_console_cursor; |
3e671d90 GV |
72 | #endif |
73 | ||
338b1bb2 | 74 | HANDLE keyboard_handle; |
191100f2 | 75 | |
6cdfb6e6 RS |
76 | |
77 | /* Setting this as the ctrl handler prevents emacs from being killed when | |
40d578c9 RS |
78 | someone hits ^C in a 'suspended' session (child shell). |
79 | Also ignore Ctrl-Break signals. */ | |
80 | ||
6cdfb6e6 RS |
81 | BOOL |
82 | ctrl_c_handler (unsigned long type) | |
83 | { | |
3e671d90 GV |
84 | /* Only ignore "interrupt" events when running interactively. */ |
85 | return (!noninteractive | |
86 | && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT)); | |
6cdfb6e6 RS |
87 | } |
88 | ||
6cdfb6e6 | 89 | |
1c30a66f | 90 | /* Move the cursor to (ROW, COL) on FRAME. */ |
4fdbdbbd | 91 | static void |
1c30a66f | 92 | w32con_move_cursor (struct frame *f, int row, int col) |
6cdfb6e6 RS |
93 | { |
94 | cursor_coords.X = col; | |
95 | cursor_coords.Y = row; | |
177c0ea7 | 96 | |
1c30a66f JR |
97 | /* TODO: for multi-tty support, cur_screen should be replaced with a |
98 | reference to the terminal for this frame. */ | |
99 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
6cdfb6e6 RS |
100 | } |
101 | ||
102 | /* Clear from cursor to end of screen. */ | |
4fdbdbbd | 103 | static void |
1c30a66f | 104 | w32con_clear_to_end (struct frame *f) |
6cdfb6e6 | 105 | { |
1c30a66f JR |
106 | w32con_clear_end_of_line (f, FRAME_COLS (f) - 1); |
107 | w32con_ins_del_lines (f, cursor_coords.Y, FRAME_LINES (f) - cursor_coords.Y - 1); | |
6cdfb6e6 RS |
108 | } |
109 | ||
110 | /* Clear the frame. */ | |
7cb010ed | 111 | static void |
1c30a66f | 112 | w32con_clear_frame (struct frame *f) |
6cdfb6e6 | 113 | { |
b47278e1 | 114 | COORD dest; |
84f5bd81 AI |
115 | int n; |
116 | DWORD r; | |
a5404e3a AI |
117 | CONSOLE_SCREEN_BUFFER_INFO info; |
118 | ||
119 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 120 | |
a5404e3a | 121 | /* Remember that the screen buffer might be wider than the window. */ |
90022f5a | 122 | n = FRAME_LINES (f) * info.dwSize.X; |
b47278e1 GV |
123 | dest.X = dest.Y = 0; |
124 | ||
338b1bb2 | 125 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
126 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
127 | ||
1c30a66f | 128 | w32con_move_cursor (f, 0, 0); |
6cdfb6e6 RS |
129 | } |
130 | ||
131 | ||
8c2ac482 | 132 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
133 | static BOOL ceol_initialized = FALSE; |
134 | ||
135 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
7cb010ed | 136 | static void |
1c30a66f | 137 | w32con_clear_end_of_line (struct frame *f, int end) |
6cdfb6e6 RS |
138 | { |
139 | if (!ceol_initialized) | |
140 | { | |
141 | int i; | |
142 | for (i = 0; i < 256; i++) | |
143 | { | |
8c2ac482 | 144 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
145 | } |
146 | ceol_initialized = TRUE; | |
147 | } | |
1c30a66f | 148 | w32con_write_glyphs (f, glyph_base, end - cursor_coords.X); /* fencepost ? */ |
6cdfb6e6 RS |
149 | } |
150 | ||
151 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
7cb010ed | 152 | static void |
1c30a66f | 153 | w32con_ins_del_lines (struct frame *f, int vpos, int n) |
6cdfb6e6 | 154 | { |
e850a615 | 155 | int i, nb; |
6cdfb6e6 | 156 | SMALL_RECT scroll; |
09320d30 | 157 | SMALL_RECT clip; |
6cdfb6e6 RS |
158 | COORD dest; |
159 | CHAR_INFO fill; | |
6cdfb6e6 RS |
160 | |
161 | if (n < 0) | |
162 | { | |
163 | scroll.Top = vpos - n; | |
90022f5a | 164 | scroll.Bottom = FRAME_LINES (f); |
6cdfb6e6 RS |
165 | dest.Y = vpos; |
166 | } | |
167 | else | |
168 | { | |
169 | scroll.Top = vpos; | |
90022f5a | 170 | scroll.Bottom = FRAME_LINES (f) - n; |
6cdfb6e6 RS |
171 | dest.Y = vpos + n; |
172 | } | |
09320d30 JR |
173 | clip.Top = clip.Left = scroll.Left = 0; |
174 | clip.Right = scroll.Right = FRAME_COLS (f); | |
175 | clip.Bottom = FRAME_LINES (f); | |
177c0ea7 | 176 | |
6cdfb6e6 | 177 | dest.X = 0; |
177c0ea7 | 178 | |
6cdfb6e6 | 179 | fill.Char.AsciiChar = 0x20; |
338b1bb2 | 180 | fill.Attributes = char_attr_normal; |
177c0ea7 | 181 | |
09320d30 | 182 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 | 183 | |
fbd6baed | 184 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
185 | region looks like abc and we scroll c to a and fill with d we get |
186 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
187 | Emacs expects cdd consistently... So we have to deal with that | |
188 | here... (this also occurs scrolling the same way in the other | |
189 | direction. */ | |
190 | ||
191 | if (n > 0) | |
192 | { | |
193 | if (scroll.Bottom < dest.Y) | |
194 | { | |
195 | for (i = scroll.Bottom; i < dest.Y; i++) | |
196 | { | |
1c30a66f JR |
197 | w32con_move_cursor (f, i, 0); |
198 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
199 | } |
200 | } | |
201 | } | |
202 | else | |
203 | { | |
204 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
205 | ||
206 | if (nb < scroll.Top) | |
177c0ea7 | 207 | { |
6cdfb6e6 RS |
208 | for (i = nb; i < scroll.Top; i++) |
209 | { | |
1c30a66f JR |
210 | w32con_move_cursor (f, i, 0); |
211 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
212 | } |
213 | } | |
214 | } | |
177c0ea7 | 215 | |
6cdfb6e6 RS |
216 | cursor_coords.X = 0; |
217 | cursor_coords.Y = vpos; | |
6cdfb6e6 RS |
218 | } |
219 | ||
220 | #undef LEFT | |
221 | #undef RIGHT | |
222 | #define LEFT 1 | |
223 | #define RIGHT 0 | |
224 | ||
4fdbdbbd | 225 | static void |
1c30a66f | 226 | scroll_line (struct frame *f, int dist, int direction) |
6cdfb6e6 RS |
227 | { |
228 | /* The idea here is to implement a horizontal scroll in one line to | |
229 | implement delete and half of insert. */ | |
09320d30 | 230 | SMALL_RECT scroll, clip; |
6cdfb6e6 RS |
231 | COORD dest; |
232 | CHAR_INFO fill; | |
177c0ea7 | 233 | |
09320d30 JR |
234 | clip.Top = scroll.Top = clip.Bottom = scroll.Bottom = cursor_coords.Y; |
235 | clip.Left = 0; | |
236 | clip.Right = FRAME_COLS (f); | |
177c0ea7 | 237 | |
6cdfb6e6 RS |
238 | if (direction == LEFT) |
239 | { | |
240 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 241 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
242 | } |
243 | else | |
244 | { | |
245 | scroll.Left = cursor_coords.X; | |
90022f5a | 246 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 247 | } |
177c0ea7 | 248 | |
6cdfb6e6 RS |
249 | dest.X = cursor_coords.X; |
250 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 251 | |
6cdfb6e6 | 252 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
253 | fill.Attributes = char_attr_normal; |
254 | ||
09320d30 | 255 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 RS |
256 | } |
257 | ||
258 | ||
259 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 260 | static void |
b56ceb92 JB |
261 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, |
262 | register int len) | |
6cdfb6e6 | 263 | { |
1c30a66f | 264 | scroll_line (f, len, RIGHT); |
6cdfb6e6 RS |
265 | |
266 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
267 | if (start) | |
268 | { | |
269 | /* Print the first len characters of start, cursor_coords.X adjusted | |
270 | by write_glyphs. */ | |
177c0ea7 | 271 | |
1c30a66f | 272 | w32con_write_glyphs (f, start, len); |
6cdfb6e6 RS |
273 | } |
274 | else | |
275 | { | |
1c30a66f | 276 | w32con_clear_end_of_line (f, cursor_coords.X + len); |
6cdfb6e6 RS |
277 | } |
278 | } | |
279 | ||
b56ceb92 | 280 | extern unsigned char *encode_terminal_code (struct glyph *, int, |
f57e2426 | 281 | struct coding_system *); |
853895f6 | 282 | |
7cb010ed | 283 | static void |
1c30a66f JR |
284 | w32con_write_glyphs (struct frame *f, register struct glyph *string, |
285 | register int len) | |
6cdfb6e6 | 286 | { |
84f5bd81 | 287 | DWORD r; |
338b1bb2 | 288 | WORD char_attr; |
aee31bf1 KH |
289 | unsigned char *conversion_buffer; |
290 | struct coding_system *coding; | |
338b1bb2 JR |
291 | |
292 | if (len <= 0) | |
293 | return; | |
b47278e1 | 294 | |
aee31bf1 KH |
295 | /* If terminal_coding does any conversion, use it, otherwise use |
296 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
297 | because it always return 1 if the member src_multibyte is 1. */ | |
1c30a66f JR |
298 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
299 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
8c2ac482 JR |
300 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
301 | the tail. */ | |
1c30a66f | 302 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
6cdfb6e6 | 303 | |
8c2ac482 | 304 | while (len > 0) |
6cdfb6e6 | 305 | { |
8c2ac482 JR |
306 | /* Identify a run of glyphs with the same face. */ |
307 | int face_id = string->face_id; | |
308 | int n; | |
177c0ea7 | 309 | |
8c2ac482 JR |
310 | for (n = 1; n < len; ++n) |
311 | if (string[n].face_id != face_id) | |
312 | break; | |
313 | ||
314 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 315 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 | 316 | |
aee31bf1 KH |
317 | if (n == len) |
318 | /* This is the last run. */ | |
319 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
320 | conversion_buffer = encode_terminal_code (string, n, coding); | |
321 | if (coding->produced > 0) | |
322 | { | |
323 | /* Set the attribute for these characters. */ | |
324 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
325 | coding->produced, cursor_coords, | |
326 | &r)) | |
8c2ac482 | 327 | { |
aee31bf1 KH |
328 | printf ("Failed writing console attributes: %d\n", |
329 | GetLastError ()); | |
330 | fflush (stdout); | |
331 | } | |
332 | ||
333 | /* Write the characters. */ | |
56cc8ca9 | 334 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, |
aee31bf1 KH |
335 | coding->produced, cursor_coords, |
336 | &r)) | |
337 | { | |
338 | printf ("Failed writing console characters: %d\n", | |
339 | GetLastError ()); | |
340 | fflush (stdout); | |
341 | } | |
342 | ||
343 | cursor_coords.X += coding->produced; | |
1c30a66f | 344 | w32con_move_cursor (f, cursor_coords.Y, cursor_coords.X); |
aee31bf1 KH |
345 | } |
346 | len -= n; | |
347 | string += n; | |
6cdfb6e6 | 348 | } |
6cdfb6e6 RS |
349 | } |
350 | ||
8c2ac482 | 351 | |
7cb010ed | 352 | static void |
1c30a66f | 353 | w32con_delete_glyphs (struct frame *f, int n) |
6cdfb6e6 | 354 | { |
177c0ea7 JB |
355 | /* delete chars means scroll chars from cursor_coords.X + n to |
356 | cursor_coords.X, anything beyond the edge of the screen should | |
6cdfb6e6 RS |
357 | come out empty... */ |
358 | ||
1c30a66f | 359 | scroll_line (f, n, LEFT); |
6cdfb6e6 RS |
360 | } |
361 | ||
0534d577 | 362 | static unsigned int sound_type = 0xFFFFFFFF; |
78859b80 | 363 | #define MB_EMACS_SILENT (0xFFFFFFFF - 1) |
0534d577 | 364 | |
6cdfb6e6 | 365 | void |
1c30a66f | 366 | w32_sys_ring_bell (struct frame *f) |
6cdfb6e6 | 367 | { |
177c0ea7 | 368 | if (sound_type == 0xFFFFFFFF) |
78859b80 | 369 | { |
0534d577 | 370 | Beep (666, 100); |
78859b80 GV |
371 | } |
372 | else if (sound_type == MB_EMACS_SILENT) | |
373 | { | |
374 | /* Do nothing. */ | |
375 | } | |
0534d577 | 376 | else |
78859b80 | 377 | MessageBeep (sound_type); |
6cdfb6e6 RS |
378 | } |
379 | ||
0534d577 | 380 | DEFUN ("set-message-beep", Fset_message_beep, Sset_message_beep, 1, 1, 0, |
33f09670 JR |
381 | doc: /* Set the sound generated when the bell is rung. |
382 | SOUND is 'asterisk, 'exclamation, 'hand, 'question, 'ok, or 'silent | |
383 | to use the corresponding system sound for the bell. The 'silent sound | |
384 | prevents Emacs from making any sound at all. | |
385 | SOUND is nil to use the normal beep. */) | |
5842a27b | 386 | (Lisp_Object sound) |
6cdfb6e6 | 387 | { |
b7826503 | 388 | CHECK_SYMBOL (sound); |
0534d577 | 389 | |
177c0ea7 | 390 | if (NILP (sound)) |
0534d577 KH |
391 | sound_type = 0xFFFFFFFF; |
392 | else if (EQ (sound, intern ("asterisk"))) | |
393 | sound_type = MB_ICONASTERISK; | |
177c0ea7 | 394 | else if (EQ (sound, intern ("exclamation"))) |
0534d577 | 395 | sound_type = MB_ICONEXCLAMATION; |
177c0ea7 | 396 | else if (EQ (sound, intern ("hand"))) |
0534d577 | 397 | sound_type = MB_ICONHAND; |
177c0ea7 | 398 | else if (EQ (sound, intern ("question"))) |
0534d577 | 399 | sound_type = MB_ICONQUESTION; |
177c0ea7 | 400 | else if (EQ (sound, intern ("ok"))) |
0534d577 | 401 | sound_type = MB_OK; |
78859b80 GV |
402 | else if (EQ (sound, intern ("silent"))) |
403 | sound_type = MB_EMACS_SILENT; | |
0534d577 KH |
404 | else |
405 | sound_type = 0xFFFFFFFF; | |
406 | ||
407 | return sound; | |
6cdfb6e6 | 408 | } |
177c0ea7 | 409 | |
7cb010ed | 410 | static void |
1c30a66f | 411 | w32con_reset_terminal_modes (struct terminal *t) |
6cdfb6e6 | 412 | { |
09320d30 JR |
413 | COORD dest; |
414 | CONSOLE_SCREEN_BUFFER_INFO info; | |
415 | int n; | |
416 | DWORD r; | |
417 | ||
418 | /* Clear the complete screen buffer. This is required because Emacs | |
419 | sets the cursor position to the top of the buffer, but there might | |
420 | be other output below the bottom of the Emacs frame if the screen buffer | |
421 | is larger than the window size. */ | |
422 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
423 | dest.X = 0; | |
424 | dest.Y = 0; | |
425 | n = info.dwSize.X * info.dwSize.Y; | |
426 | ||
427 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); | |
428 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
429 | /* Now that the screen is clear, put the cursor at the top. */ | |
430 | SetConsoleCursorPosition (cur_screen, dest); | |
b56ceb92 | 431 | |
3e671d90 | 432 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 433 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
434 | #else |
435 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
436 | #endif | |
09320d30 | 437 | |
3e671d90 | 438 | SetConsoleMode (keyboard_handle, prev_console_mode); |
6cdfb6e6 RS |
439 | } |
440 | ||
7cb010ed | 441 | static void |
1c30a66f | 442 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
443 | { |
444 | CONSOLE_CURSOR_INFO cci; | |
445 | ||
3e671d90 GV |
446 | /* make cursor big and visible (100 on Win95 makes it disappear) */ |
447 | cci.dwSize = 99; | |
448 | cci.bVisible = TRUE; | |
449 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 450 | |
3e671d90 | 451 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 452 | |
3e671d90 | 453 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 454 | |
3e671d90 GV |
455 | /* Initialize input mode: interrupt_input off, no flow control, allow |
456 | 8 bit character input, standard quit char. */ | |
457 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
458 | } |
459 | ||
460 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
461 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 462 | |
6cdfb6e6 | 463 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
464 | static void |
465 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
466 | { |
467 | } | |
468 | ||
7cb010ed JR |
469 | static void |
470 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
471 | { |
472 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
473 | } | |
474 | ||
7cb010ed | 475 | static void |
1c30a66f | 476 | w32con_set_terminal_window (struct frame *f, int size) |
6cdfb6e6 RS |
477 | { |
478 | } | |
479 | ||
91eac4bb JB |
480 | /*********************************************************************** |
481 | stubs from termcap.c | |
482 | ***********************************************************************/ | |
483 | ||
484 | void | |
ed3751c8 | 485 | sys_tputs (char *str, int nlines, int (*outfun) (int)) |
91eac4bb JB |
486 | { |
487 | } | |
488 | ||
489 | char * | |
490 | sys_tgetstr (char *cap, char **area) | |
491 | { | |
492 | return NULL; | |
493 | } | |
494 | ||
495 | ||
496 | /*********************************************************************** | |
497 | stubs from cm.c | |
498 | ***********************************************************************/ | |
499 | ||
500 | struct tty_display_info *current_tty = NULL; | |
501 | int cost = 0; | |
502 | ||
503 | int | |
b56ceb92 | 504 | evalcost (int c) |
91eac4bb JB |
505 | { |
506 | return c; | |
507 | } | |
508 | ||
509 | int | |
b56ceb92 | 510 | cmputc (int c) |
91eac4bb JB |
511 | { |
512 | return c; | |
513 | } | |
514 | ||
515 | void | |
516 | cmcheckmagic (struct tty_display_info *tty) | |
517 | { | |
518 | } | |
519 | ||
520 | void | |
521 | cmcostinit (struct tty_display_info *tty) | |
522 | { | |
523 | } | |
524 | ||
525 | void | |
526 | cmgoto (struct tty_display_info *tty, int row, int col) | |
527 | { | |
528 | } | |
529 | ||
530 | void | |
531 | Wcm_clear (struct tty_display_info *tty) | |
532 | { | |
533 | } | |
534 | ||
535 | ||
8c2ac482 JR |
536 | /*********************************************************************** |
537 | Faces | |
538 | ***********************************************************************/ | |
539 | ||
540 | ||
541 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
542 | ||
338b1bb2 | 543 | static WORD |
b56ceb92 | 544 | w32_face_attributes (struct frame *f, int face_id) |
8c2ac482 | 545 | { |
338b1bb2 | 546 | WORD char_attr; |
8c2ac482 JR |
547 | struct face *face = FACE_FROM_ID (f, face_id); |
548 | ||
549 | xassert (face != NULL); | |
550 | ||
551 | char_attr = char_attr_normal; | |
552 | ||
f442d348 JR |
553 | /* Reverse the default color if requested. If background and |
554 | foreground are specified, then they have been reversed already. */ | |
e850a615 | 555 | if (face->tty_reverse_p) |
338b1bb2 JR |
556 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
557 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 558 | |
b510360c | 559 | /* Before the terminal is properly initialized, all colors map to 0. |
f442d348 | 560 | Don't try to resolve them. */ |
b510360c | 561 | if (NILP (Vtty_defined_color_alist)) |
f442d348 | 562 | return char_attr; |
8c2ac482 | 563 | |
30b7f3e6 JR |
564 | /* Colors should be in the range 0...15 unless they are one of |
565 | FACE_TTY_DEFAULT_COLOR, FACE_TTY_DEFAULT_FG_COLOR or | |
566 | FACE_TTY_DEFAULT_BG_COLOR. Other out of range colors are | |
567 | invalid, so it is better to use the default color if they ever | |
568 | get through to here. */ | |
569 | if (face->foreground >= 0 && face->foreground < 16) | |
f442d348 | 570 | char_attr = (char_attr & 0xfff0) + face->foreground; |
8c2ac482 | 571 | |
30b7f3e6 | 572 | if (face->background >= 0 && face->background < 16) |
f442d348 | 573 | char_attr = (char_attr & 0xff0f) + (face->background << 4); |
8c2ac482 | 574 | |
338b1bb2 | 575 | return char_attr; |
8c2ac482 | 576 | } |
8c2ac482 | 577 | |
6cdfb6e6 | 578 | void |
79af260e | 579 | initialize_w32_display (struct terminal *term) |
6cdfb6e6 RS |
580 | { |
581 | CONSOLE_SCREEN_BUFFER_INFO info; | |
177c0ea7 | 582 | |
9b8f0fc3 | 583 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f | 584 | term->cursor_to_hook = w32con_move_cursor; |
b56ceb92 JB |
585 | term->raw_cursor_to_hook = w32con_move_cursor; |
586 | term->clear_to_end_hook = w32con_clear_to_end; | |
587 | term->clear_frame_hook = w32con_clear_frame; | |
1c30a66f | 588 | term->clear_end_of_line_hook = w32con_clear_end_of_line; |
b56ceb92 JB |
589 | term->ins_del_lines_hook = w32con_ins_del_lines; |
590 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
591 | term->write_glyphs_hook = w32con_write_glyphs; | |
592 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
1c30a66f | 593 | term->ring_bell_hook = w32_sys_ring_bell; |
b56ceb92 | 594 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; |
1c30a66f | 595 | term->set_terminal_modes_hook = w32con_set_terminal_modes; |
b56ceb92 JB |
596 | term->set_terminal_window_hook = w32con_set_terminal_window; |
597 | term->update_begin_hook = w32con_update_begin; | |
1c30a66f JR |
598 | term->update_end_hook = w32con_update_end; |
599 | ||
600 | term->read_socket_hook = w32_console_read_socket; | |
601 | term->mouse_position_hook = w32_console_mouse_position; | |
3e671d90 | 602 | |
9b8f0fc3 JR |
603 | /* The following are not used on the console. */ |
604 | term->frame_rehighlight_hook = 0; | |
605 | term->frame_raise_lower_hook = 0; | |
606 | term->set_vertical_scroll_bar_hook = 0; | |
607 | term->condemn_scroll_bars_hook = 0; | |
608 | term->redeem_scroll_bar_hook = 0; | |
609 | term->judge_scroll_bars_hook = 0; | |
610 | term->frame_up_to_date_hook = 0; | |
3e671d90 | 611 | |
c1e06681 AI |
612 | /* Initialize interrupt_handle. */ |
613 | init_crit (); | |
614 | ||
3e671d90 GV |
615 | /* Remember original console settings. */ |
616 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
617 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
618 | ||
6cdfb6e6 | 619 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 620 | |
3e671d90 GV |
621 | #ifdef USE_SEPARATE_SCREEN |
622 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
623 | 0, NULL, | |
624 | CONSOLE_TEXTMODE_BUFFER, | |
625 | NULL); | |
626 | ||
627 | if (cur_screen == INVALID_HANDLE_VALUE) | |
628 | { | |
629 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
630 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
631 | fflush (stdout); | |
632 | exit (0); | |
633 | } | |
634 | #else | |
635 | cur_screen = prev_screen; | |
636 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
637 | #endif | |
638 | ||
191100f2 AI |
639 | /* Respect setting of LINES and COLUMNS environment variables. */ |
640 | { | |
ed3751c8 JB |
641 | char * lines = getenv ("LINES"); |
642 | char * columns = getenv ("COLUMNS"); | |
191100f2 AI |
643 | |
644 | if (lines != NULL && columns != NULL) | |
645 | { | |
646 | SMALL_RECT new_win_dims; | |
647 | COORD new_size; | |
648 | ||
649 | new_size.X = atoi (columns); | |
650 | new_size.Y = atoi (lines); | |
651 | ||
652 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
653 | ||
654 | /* Shrink the window first, so the buffer dimensions can be | |
655 | reduced if necessary. */ | |
656 | new_win_dims.Top = 0; | |
657 | new_win_dims.Left = 0; | |
658 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
659 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
660 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
661 | ||
662 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
663 | ||
664 | /* Set the window size to match the buffer dimension. */ | |
665 | new_win_dims.Top = 0; | |
666 | new_win_dims.Left = 0; | |
667 | new_win_dims.Bottom = new_size.Y - 1; | |
668 | new_win_dims.Right = new_size.X - 1; | |
669 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
670 | } | |
671 | } | |
672 | ||
6cdfb6e6 | 673 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 674 | |
338b1bb2 | 675 | char_attr_normal = info.wAttributes; |
938469f2 | 676 | |
3fb1d72b JR |
677 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
678 | is realistic. Old MS Telnet servers used to only fill out | |
679 | the dwSize portion, even modern one fill the whole struct with | |
680 | garbage when using non-MS telnet clients. */ | |
681 | if ((w32_use_full_screen_buffer | |
682 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
683 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
684 | || (!w32_use_full_screen_buffer | |
685 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
686 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
687 | || info.srWindow.Right - info.srWindow.Left < 40 | |
688 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
689 | { | |
690 | FRAME_LINES (SELECTED_FRAME ()) = 25; | |
691 | SET_FRAME_COLS (SELECTED_FRAME (), 80); | |
692 | } | |
693 | ||
694 | else if (w32_use_full_screen_buffer) | |
191100f2 | 695 | { |
90022f5a KS |
696 | FRAME_LINES (SELECTED_FRAME ()) = info.dwSize.Y; /* lines per page */ |
697 | SET_FRAME_COLS (SELECTED_FRAME (), info.dwSize.X); /* characters per line */ | |
191100f2 AI |
698 | } |
699 | else | |
700 | { | |
701 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
90022f5a | 702 | FRAME_LINES (SELECTED_FRAME ()) = 1 + info.srWindow.Bottom - |
177c0ea7 | 703 | info.srWindow.Top; |
191100f2 | 704 | /* Characters per line. Use buffer coords instead of buffer size. */ |
90022f5a | 705 | SET_FRAME_COLS (SELECTED_FRAME (), 1 + info.srWindow.Right - |
191100f2 AI |
706 | info.srWindow.Left); |
707 | } | |
65fb143c JR |
708 | |
709 | /* Setup w32_display_info structure for this frame. */ | |
710 | ||
711 | w32_initialize_display_info (build_string ("Console")); | |
712 | ||
6cdfb6e6 RS |
713 | } |
714 | ||
1c30a66f | 715 | |
6cdfb6e6 | 716 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
33f09670 | 717 | doc: /* Set screen colors. */) |
5842a27b | 718 | (Lisp_Object foreground, Lisp_Object background) |
6cdfb6e6 RS |
719 | { |
720 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
721 | |
722 | Frecenter (Qnil); | |
723 | return Qt; | |
724 | } | |
725 | ||
726 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, | |
33f09670 | 727 | doc: /* Set cursor size. */) |
5842a27b | 728 | (Lisp_Object size) |
6cdfb6e6 RS |
729 | { |
730 | CONSOLE_CURSOR_INFO cci; | |
731 | cci.dwSize = XFASTINT (size); | |
732 | cci.bVisible = TRUE; | |
733 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 734 | |
6cdfb6e6 RS |
735 | return Qt; |
736 | } | |
737 | ||
0534d577 | 738 | void |
b56ceb92 | 739 | syms_of_ntterm (void) |
6cdfb6e6 | 740 | { |
191100f2 | 741 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
29208e82 | 742 | w32_use_full_screen_buffer, |
33f09670 | 743 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 744 | This is desirable when running Emacs over telnet. |
33f09670 JR |
745 | A value of nil means use the current console window dimensions; this |
746 | may be preferrable when working directly at the console with a large | |
747 | scroll-back buffer. */); | |
3fb1d72b | 748 | w32_use_full_screen_buffer = 0; |
191100f2 | 749 | |
6cdfb6e6 RS |
750 | defsubr (&Sset_screen_color); |
751 | defsubr (&Sset_cursor_size); | |
0534d577 | 752 | defsubr (&Sset_message_beep); |
6cdfb6e6 | 753 | } |
6b61353c | 754 |