Commit | Line | Data |
---|---|---|
e6b20d65 | 1 | /* Terminal hooks for GNU Emacs on the Microsoft W32 API. |
9ec0b715 | 2 | Copyright (C) 1992, 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
114f9c96 | 3 | 2008, 2009, 2010 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 | 28 | #include <stdio.h> |
6cdfb6e6 | 29 | #include <windows.h> |
d7306fe6 | 30 | #include <setjmp.h> |
6cdfb6e6 RS |
31 | |
32 | #include "lisp.h" | |
83be827a | 33 | #include "character.h" |
8c2ac482 | 34 | #include "coding.h" |
6cdfb6e6 | 35 | #include "disptab.h" |
65fb143c | 36 | #include "frame.h" |
1c30a66f JR |
37 | #include "termhooks.h" |
38 | #include "termchar.h" | |
39 | #include "dispextern.h" | |
489f9371 | 40 | #include "w32inevt.h" |
6cdfb6e6 | 41 | |
0534d577 | 42 | /* from window.c */ |
b56ceb92 | 43 | extern Lisp_Object Frecenter (Lisp_Object); |
6cdfb6e6 RS |
44 | |
45 | /* from keyboard.c */ | |
b56ceb92 | 46 | extern int detect_input_pending (void); |
6cdfb6e6 RS |
47 | |
48 | /* from sysdep.c */ | |
b56ceb92 | 49 | extern int read_input_pending (void); |
6cdfb6e6 | 50 | |
1c30a66f JR |
51 | static void w32con_move_cursor (struct frame *f, int row, int col); |
52 | static void w32con_clear_to_end (struct frame *f); | |
53 | static void w32con_clear_frame (struct frame *f); | |
54 | static void w32con_clear_end_of_line (struct frame *f, int); | |
55 | static void w32con_ins_del_lines (struct frame *f, int vpos, int n); | |
56 | static void w32con_insert_glyphs (struct frame *f, struct glyph *start, int len); | |
57 | static void w32con_write_glyphs (struct frame *f, struct glyph *string, int len); | |
58 | static void w32con_delete_glyphs (struct frame *f, int n); | |
59 | static void w32con_reset_terminal_modes (struct terminal *t); | |
60 | static void w32con_set_terminal_modes (struct terminal *t); | |
61 | static void w32con_set_terminal_window (struct frame *f, int size); | |
7cb010ed JR |
62 | static void w32con_update_begin (struct frame * f); |
63 | static void w32con_update_end (struct frame * f); | |
338b1bb2 | 64 | static WORD w32_face_attributes (struct frame *f, int face_id); |
6cdfb6e6 | 65 | |
338b1bb2 JR |
66 | static COORD cursor_coords; |
67 | static HANDLE prev_screen, cur_screen; | |
68 | static WORD char_attr_normal; | |
b56ceb92 | 69 | static DWORD prev_console_mode; |
6cdfb6e6 | 70 | |
3e671d90 | 71 | #ifndef USE_SEPARATE_SCREEN |
338b1bb2 | 72 | static CONSOLE_CURSOR_INFO prev_console_cursor; |
3e671d90 GV |
73 | #endif |
74 | ||
b510360c JR |
75 | extern Lisp_Object Vtty_defined_color_alist; |
76 | ||
191100f2 AI |
77 | /* Determine whether to make frame dimensions match the screen buffer, |
78 | or the current window size. The former is desirable when running | |
79 | over telnet, while the latter is more useful when working directly at | |
80 | the console with a large scroll-back buffer. */ | |
81 | int w32_use_full_screen_buffer; | |
338b1bb2 | 82 | HANDLE keyboard_handle; |
191100f2 | 83 | |
6cdfb6e6 RS |
84 | |
85 | /* Setting this as the ctrl handler prevents emacs from being killed when | |
40d578c9 RS |
86 | someone hits ^C in a 'suspended' session (child shell). |
87 | Also ignore Ctrl-Break signals. */ | |
88 | ||
6cdfb6e6 RS |
89 | BOOL |
90 | ctrl_c_handler (unsigned long type) | |
91 | { | |
3e671d90 GV |
92 | /* Only ignore "interrupt" events when running interactively. */ |
93 | return (!noninteractive | |
94 | && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT)); | |
6cdfb6e6 RS |
95 | } |
96 | ||
6cdfb6e6 | 97 | |
1c30a66f | 98 | /* Move the cursor to (ROW, COL) on FRAME. */ |
4fdbdbbd | 99 | static void |
1c30a66f | 100 | w32con_move_cursor (struct frame *f, int row, int col) |
6cdfb6e6 RS |
101 | { |
102 | cursor_coords.X = col; | |
103 | cursor_coords.Y = row; | |
177c0ea7 | 104 | |
1c30a66f JR |
105 | /* TODO: for multi-tty support, cur_screen should be replaced with a |
106 | reference to the terminal for this frame. */ | |
107 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
6cdfb6e6 RS |
108 | } |
109 | ||
110 | /* Clear from cursor to end of screen. */ | |
4fdbdbbd | 111 | static void |
1c30a66f | 112 | w32con_clear_to_end (struct frame *f) |
6cdfb6e6 | 113 | { |
1c30a66f JR |
114 | w32con_clear_end_of_line (f, FRAME_COLS (f) - 1); |
115 | w32con_ins_del_lines (f, cursor_coords.Y, FRAME_LINES (f) - cursor_coords.Y - 1); | |
6cdfb6e6 RS |
116 | } |
117 | ||
118 | /* Clear the frame. */ | |
7cb010ed | 119 | static void |
1c30a66f | 120 | w32con_clear_frame (struct frame *f) |
6cdfb6e6 | 121 | { |
b47278e1 | 122 | COORD dest; |
84f5bd81 AI |
123 | int n; |
124 | DWORD r; | |
a5404e3a AI |
125 | CONSOLE_SCREEN_BUFFER_INFO info; |
126 | ||
127 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 128 | |
a5404e3a | 129 | /* Remember that the screen buffer might be wider than the window. */ |
90022f5a | 130 | n = FRAME_LINES (f) * info.dwSize.X; |
b47278e1 GV |
131 | dest.X = dest.Y = 0; |
132 | ||
338b1bb2 | 133 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
134 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
135 | ||
1c30a66f | 136 | w32con_move_cursor (f, 0, 0); |
6cdfb6e6 RS |
137 | } |
138 | ||
139 | ||
8c2ac482 | 140 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
141 | static BOOL ceol_initialized = FALSE; |
142 | ||
143 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
7cb010ed | 144 | static void |
1c30a66f | 145 | w32con_clear_end_of_line (struct frame *f, int end) |
6cdfb6e6 RS |
146 | { |
147 | if (!ceol_initialized) | |
148 | { | |
149 | int i; | |
150 | for (i = 0; i < 256; i++) | |
151 | { | |
8c2ac482 | 152 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
153 | } |
154 | ceol_initialized = TRUE; | |
155 | } | |
1c30a66f | 156 | w32con_write_glyphs (f, glyph_base, end - cursor_coords.X); /* fencepost ? */ |
6cdfb6e6 RS |
157 | } |
158 | ||
159 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
7cb010ed | 160 | static void |
1c30a66f | 161 | w32con_ins_del_lines (struct frame *f, int vpos, int n) |
6cdfb6e6 | 162 | { |
e850a615 | 163 | int i, nb; |
6cdfb6e6 | 164 | SMALL_RECT scroll; |
09320d30 | 165 | SMALL_RECT clip; |
6cdfb6e6 RS |
166 | COORD dest; |
167 | CHAR_INFO fill; | |
6cdfb6e6 RS |
168 | |
169 | if (n < 0) | |
170 | { | |
171 | scroll.Top = vpos - n; | |
90022f5a | 172 | scroll.Bottom = FRAME_LINES (f); |
6cdfb6e6 RS |
173 | dest.Y = vpos; |
174 | } | |
175 | else | |
176 | { | |
177 | scroll.Top = vpos; | |
90022f5a | 178 | scroll.Bottom = FRAME_LINES (f) - n; |
6cdfb6e6 RS |
179 | dest.Y = vpos + n; |
180 | } | |
09320d30 JR |
181 | clip.Top = clip.Left = scroll.Left = 0; |
182 | clip.Right = scroll.Right = FRAME_COLS (f); | |
183 | clip.Bottom = FRAME_LINES (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 | |
09320d30 | 190 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 | 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. */ | |
09320d30 | 238 | SMALL_RECT scroll, clip; |
6cdfb6e6 RS |
239 | COORD dest; |
240 | CHAR_INFO fill; | |
177c0ea7 | 241 | |
09320d30 JR |
242 | clip.Top = scroll.Top = clip.Bottom = scroll.Bottom = cursor_coords.Y; |
243 | clip.Left = 0; | |
244 | clip.Right = FRAME_COLS (f); | |
177c0ea7 | 245 | |
6cdfb6e6 RS |
246 | if (direction == LEFT) |
247 | { | |
248 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 249 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
250 | } |
251 | else | |
252 | { | |
253 | scroll.Left = cursor_coords.X; | |
90022f5a | 254 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 255 | } |
177c0ea7 | 256 | |
6cdfb6e6 RS |
257 | dest.X = cursor_coords.X; |
258 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 259 | |
6cdfb6e6 | 260 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
261 | fill.Attributes = char_attr_normal; |
262 | ||
09320d30 | 263 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 RS |
264 | } |
265 | ||
266 | ||
267 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 268 | static void |
b56ceb92 JB |
269 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, |
270 | 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 | ||
b56ceb92 | 288 | extern unsigned char *encode_terminal_code (struct glyph *, int, |
f57e2426 | 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. */) | |
5842a27b | 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 | { |
09320d30 JR |
421 | COORD dest; |
422 | CONSOLE_SCREEN_BUFFER_INFO info; | |
423 | int n; | |
424 | DWORD r; | |
425 | ||
426 | /* Clear the complete screen buffer. This is required because Emacs | |
427 | sets the cursor position to the top of the buffer, but there might | |
428 | be other output below the bottom of the Emacs frame if the screen buffer | |
429 | is larger than the window size. */ | |
430 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
431 | dest.X = 0; | |
432 | dest.Y = 0; | |
433 | n = info.dwSize.X * info.dwSize.Y; | |
434 | ||
435 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); | |
436 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
437 | /* Now that the screen is clear, put the cursor at the top. */ | |
438 | SetConsoleCursorPosition (cur_screen, dest); | |
b56ceb92 | 439 | |
3e671d90 | 440 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 441 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
442 | #else |
443 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
444 | #endif | |
09320d30 | 445 | |
3e671d90 | 446 | SetConsoleMode (keyboard_handle, prev_console_mode); |
6cdfb6e6 RS |
447 | } |
448 | ||
7cb010ed | 449 | static void |
1c30a66f | 450 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
451 | { |
452 | CONSOLE_CURSOR_INFO cci; | |
453 | ||
3e671d90 GV |
454 | /* make cursor big and visible (100 on Win95 makes it disappear) */ |
455 | cci.dwSize = 99; | |
456 | cci.bVisible = TRUE; | |
457 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 458 | |
3e671d90 | 459 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 460 | |
3e671d90 | 461 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 462 | |
3e671d90 GV |
463 | /* Initialize input mode: interrupt_input off, no flow control, allow |
464 | 8 bit character input, standard quit char. */ | |
465 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
466 | } |
467 | ||
468 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
469 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 470 | |
6cdfb6e6 | 471 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
472 | static void |
473 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
474 | { |
475 | } | |
476 | ||
7cb010ed JR |
477 | static void |
478 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
479 | { |
480 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
481 | } | |
482 | ||
7cb010ed | 483 | static void |
1c30a66f | 484 | w32con_set_terminal_window (struct frame *f, int size) |
6cdfb6e6 RS |
485 | { |
486 | } | |
487 | ||
91eac4bb JB |
488 | /*********************************************************************** |
489 | stubs from termcap.c | |
490 | ***********************************************************************/ | |
491 | ||
492 | void | |
ed3751c8 | 493 | sys_tputs (char *str, int nlines, int (*outfun) (int)) |
91eac4bb JB |
494 | { |
495 | } | |
496 | ||
497 | char * | |
498 | sys_tgetstr (char *cap, char **area) | |
499 | { | |
500 | return NULL; | |
501 | } | |
502 | ||
503 | ||
504 | /*********************************************************************** | |
505 | stubs from cm.c | |
506 | ***********************************************************************/ | |
507 | ||
508 | struct tty_display_info *current_tty = NULL; | |
509 | int cost = 0; | |
510 | ||
511 | int | |
b56ceb92 | 512 | evalcost (int c) |
91eac4bb JB |
513 | { |
514 | return c; | |
515 | } | |
516 | ||
517 | int | |
b56ceb92 | 518 | cmputc (int c) |
91eac4bb JB |
519 | { |
520 | return c; | |
521 | } | |
522 | ||
523 | void | |
524 | cmcheckmagic (struct tty_display_info *tty) | |
525 | { | |
526 | } | |
527 | ||
528 | void | |
529 | cmcostinit (struct tty_display_info *tty) | |
530 | { | |
531 | } | |
532 | ||
533 | void | |
534 | cmgoto (struct tty_display_info *tty, int row, int col) | |
535 | { | |
536 | } | |
537 | ||
538 | void | |
539 | Wcm_clear (struct tty_display_info *tty) | |
540 | { | |
541 | } | |
542 | ||
543 | ||
8c2ac482 JR |
544 | /*********************************************************************** |
545 | Faces | |
546 | ***********************************************************************/ | |
547 | ||
548 | ||
549 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
550 | ||
338b1bb2 | 551 | static WORD |
b56ceb92 | 552 | w32_face_attributes (struct frame *f, int face_id) |
8c2ac482 | 553 | { |
338b1bb2 | 554 | WORD char_attr; |
8c2ac482 JR |
555 | struct face *face = FACE_FROM_ID (f, face_id); |
556 | ||
557 | xassert (face != NULL); | |
558 | ||
559 | char_attr = char_attr_normal; | |
560 | ||
f442d348 JR |
561 | /* Reverse the default color if requested. If background and |
562 | foreground are specified, then they have been reversed already. */ | |
e850a615 | 563 | if (face->tty_reverse_p) |
338b1bb2 JR |
564 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
565 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 566 | |
b510360c | 567 | /* Before the terminal is properly initialized, all colors map to 0. |
f442d348 | 568 | Don't try to resolve them. */ |
b510360c | 569 | if (NILP (Vtty_defined_color_alist)) |
f442d348 | 570 | return char_attr; |
8c2ac482 | 571 | |
30b7f3e6 JR |
572 | /* Colors should be in the range 0...15 unless they are one of |
573 | FACE_TTY_DEFAULT_COLOR, FACE_TTY_DEFAULT_FG_COLOR or | |
574 | FACE_TTY_DEFAULT_BG_COLOR. Other out of range colors are | |
575 | invalid, so it is better to use the default color if they ever | |
576 | get through to here. */ | |
577 | if (face->foreground >= 0 && face->foreground < 16) | |
f442d348 | 578 | char_attr = (char_attr & 0xfff0) + face->foreground; |
8c2ac482 | 579 | |
30b7f3e6 | 580 | if (face->background >= 0 && face->background < 16) |
f442d348 | 581 | char_attr = (char_attr & 0xff0f) + (face->background << 4); |
8c2ac482 | 582 | |
338b1bb2 | 583 | return char_attr; |
8c2ac482 | 584 | } |
8c2ac482 | 585 | |
6cdfb6e6 | 586 | void |
79af260e | 587 | initialize_w32_display (struct terminal *term) |
6cdfb6e6 RS |
588 | { |
589 | CONSOLE_SCREEN_BUFFER_INFO info; | |
177c0ea7 | 590 | |
9b8f0fc3 | 591 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f | 592 | term->cursor_to_hook = w32con_move_cursor; |
b56ceb92 JB |
593 | term->raw_cursor_to_hook = w32con_move_cursor; |
594 | term->clear_to_end_hook = w32con_clear_to_end; | |
595 | term->clear_frame_hook = w32con_clear_frame; | |
1c30a66f | 596 | term->clear_end_of_line_hook = w32con_clear_end_of_line; |
b56ceb92 JB |
597 | term->ins_del_lines_hook = w32con_ins_del_lines; |
598 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
599 | term->write_glyphs_hook = w32con_write_glyphs; | |
600 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
1c30a66f | 601 | term->ring_bell_hook = w32_sys_ring_bell; |
b56ceb92 | 602 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; |
1c30a66f | 603 | term->set_terminal_modes_hook = w32con_set_terminal_modes; |
b56ceb92 JB |
604 | term->set_terminal_window_hook = w32con_set_terminal_window; |
605 | term->update_begin_hook = w32con_update_begin; | |
1c30a66f JR |
606 | term->update_end_hook = w32con_update_end; |
607 | ||
608 | term->read_socket_hook = w32_console_read_socket; | |
609 | term->mouse_position_hook = w32_console_mouse_position; | |
3e671d90 | 610 | |
9b8f0fc3 JR |
611 | /* The following are not used on the console. */ |
612 | term->frame_rehighlight_hook = 0; | |
613 | term->frame_raise_lower_hook = 0; | |
614 | term->set_vertical_scroll_bar_hook = 0; | |
615 | term->condemn_scroll_bars_hook = 0; | |
616 | term->redeem_scroll_bar_hook = 0; | |
617 | term->judge_scroll_bars_hook = 0; | |
618 | term->frame_up_to_date_hook = 0; | |
3e671d90 | 619 | |
c1e06681 AI |
620 | /* Initialize interrupt_handle. */ |
621 | init_crit (); | |
622 | ||
3e671d90 GV |
623 | /* Remember original console settings. */ |
624 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
625 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
626 | ||
6cdfb6e6 | 627 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 628 | |
3e671d90 GV |
629 | #ifdef USE_SEPARATE_SCREEN |
630 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
631 | 0, NULL, | |
632 | CONSOLE_TEXTMODE_BUFFER, | |
633 | NULL); | |
634 | ||
635 | if (cur_screen == INVALID_HANDLE_VALUE) | |
636 | { | |
637 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
638 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
639 | fflush (stdout); | |
640 | exit (0); | |
641 | } | |
642 | #else | |
643 | cur_screen = prev_screen; | |
644 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
645 | #endif | |
646 | ||
191100f2 AI |
647 | /* Respect setting of LINES and COLUMNS environment variables. */ |
648 | { | |
ed3751c8 JB |
649 | char * lines = getenv ("LINES"); |
650 | char * columns = getenv ("COLUMNS"); | |
191100f2 AI |
651 | |
652 | if (lines != NULL && columns != NULL) | |
653 | { | |
654 | SMALL_RECT new_win_dims; | |
655 | COORD new_size; | |
656 | ||
657 | new_size.X = atoi (columns); | |
658 | new_size.Y = atoi (lines); | |
659 | ||
660 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
661 | ||
662 | /* Shrink the window first, so the buffer dimensions can be | |
663 | reduced if necessary. */ | |
664 | new_win_dims.Top = 0; | |
665 | new_win_dims.Left = 0; | |
666 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
667 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
668 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
669 | ||
670 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
671 | ||
672 | /* Set the window size to match the buffer dimension. */ | |
673 | new_win_dims.Top = 0; | |
674 | new_win_dims.Left = 0; | |
675 | new_win_dims.Bottom = new_size.Y - 1; | |
676 | new_win_dims.Right = new_size.X - 1; | |
677 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
678 | } | |
679 | } | |
680 | ||
6cdfb6e6 | 681 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 682 | |
338b1bb2 | 683 | char_attr_normal = info.wAttributes; |
938469f2 | 684 | |
3fb1d72b JR |
685 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
686 | is realistic. Old MS Telnet servers used to only fill out | |
687 | the dwSize portion, even modern one fill the whole struct with | |
688 | garbage when using non-MS telnet clients. */ | |
689 | if ((w32_use_full_screen_buffer | |
690 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
691 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
692 | || (!w32_use_full_screen_buffer | |
693 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
694 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
695 | || info.srWindow.Right - info.srWindow.Left < 40 | |
696 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
697 | { | |
698 | FRAME_LINES (SELECTED_FRAME ()) = 25; | |
699 | SET_FRAME_COLS (SELECTED_FRAME (), 80); | |
700 | } | |
701 | ||
702 | else if (w32_use_full_screen_buffer) | |
191100f2 | 703 | { |
90022f5a KS |
704 | FRAME_LINES (SELECTED_FRAME ()) = info.dwSize.Y; /* lines per page */ |
705 | SET_FRAME_COLS (SELECTED_FRAME (), info.dwSize.X); /* characters per line */ | |
191100f2 AI |
706 | } |
707 | else | |
708 | { | |
709 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
90022f5a | 710 | FRAME_LINES (SELECTED_FRAME ()) = 1 + info.srWindow.Bottom - |
177c0ea7 | 711 | info.srWindow.Top; |
191100f2 | 712 | /* Characters per line. Use buffer coords instead of buffer size. */ |
90022f5a | 713 | SET_FRAME_COLS (SELECTED_FRAME (), 1 + info.srWindow.Right - |
191100f2 AI |
714 | info.srWindow.Left); |
715 | } | |
65fb143c JR |
716 | |
717 | /* Setup w32_display_info structure for this frame. */ | |
718 | ||
719 | w32_initialize_display_info (build_string ("Console")); | |
720 | ||
6cdfb6e6 RS |
721 | } |
722 | ||
1c30a66f | 723 | |
6cdfb6e6 | 724 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
33f09670 | 725 | doc: /* Set screen colors. */) |
5842a27b | 726 | (Lisp_Object foreground, Lisp_Object background) |
6cdfb6e6 RS |
727 | { |
728 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
729 | |
730 | Frecenter (Qnil); | |
731 | return Qt; | |
732 | } | |
733 | ||
734 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, | |
33f09670 | 735 | doc: /* Set cursor size. */) |
5842a27b | 736 | (Lisp_Object size) |
6cdfb6e6 RS |
737 | { |
738 | CONSOLE_CURSOR_INFO cci; | |
739 | cci.dwSize = XFASTINT (size); | |
740 | cci.bVisible = TRUE; | |
741 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 742 | |
6cdfb6e6 RS |
743 | return Qt; |
744 | } | |
745 | ||
0534d577 | 746 | void |
b56ceb92 | 747 | syms_of_ntterm (void) |
6cdfb6e6 | 748 | { |
191100f2 AI |
749 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
750 | &w32_use_full_screen_buffer, | |
33f09670 | 751 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 752 | This is desirable when running Emacs over telnet. |
33f09670 JR |
753 | A value of nil means use the current console window dimensions; this |
754 | may be preferrable when working directly at the console with a large | |
755 | scroll-back buffer. */); | |
3fb1d72b | 756 | w32_use_full_screen_buffer = 0; |
191100f2 | 757 | |
6cdfb6e6 RS |
758 | defsubr (&Sset_screen_color); |
759 | defsubr (&Sset_cursor_size); | |
0534d577 | 760 | defsubr (&Sset_message_beep); |
6cdfb6e6 | 761 | } |
6b61353c KH |
762 | |
763 | /* arch-tag: a390a07f-f661-42bc-aeb4-e6d8bf860337 | |
764 | (do not change this comment) */ |