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, |
5df4f04c | 3 | 2008, 2009, 2010, 2011 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 | ||
338b1bb2 | 75 | HANDLE keyboard_handle; |
191100f2 | 76 | |
6cdfb6e6 RS |
77 | |
78 | /* Setting this as the ctrl handler prevents emacs from being killed when | |
40d578c9 RS |
79 | someone hits ^C in a 'suspended' session (child shell). |
80 | Also ignore Ctrl-Break signals. */ | |
81 | ||
6cdfb6e6 RS |
82 | BOOL |
83 | ctrl_c_handler (unsigned long type) | |
84 | { | |
3e671d90 GV |
85 | /* Only ignore "interrupt" events when running interactively. */ |
86 | return (!noninteractive | |
87 | && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT)); | |
6cdfb6e6 RS |
88 | } |
89 | ||
6cdfb6e6 | 90 | |
1c30a66f | 91 | /* Move the cursor to (ROW, COL) on FRAME. */ |
4fdbdbbd | 92 | static void |
1c30a66f | 93 | w32con_move_cursor (struct frame *f, int row, int col) |
6cdfb6e6 RS |
94 | { |
95 | cursor_coords.X = col; | |
96 | cursor_coords.Y = row; | |
177c0ea7 | 97 | |
1c30a66f JR |
98 | /* TODO: for multi-tty support, cur_screen should be replaced with a |
99 | reference to the terminal for this frame. */ | |
100 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
6cdfb6e6 RS |
101 | } |
102 | ||
103 | /* Clear from cursor to end of screen. */ | |
4fdbdbbd | 104 | static void |
1c30a66f | 105 | w32con_clear_to_end (struct frame *f) |
6cdfb6e6 | 106 | { |
1c30a66f JR |
107 | w32con_clear_end_of_line (f, FRAME_COLS (f) - 1); |
108 | w32con_ins_del_lines (f, cursor_coords.Y, FRAME_LINES (f) - cursor_coords.Y - 1); | |
6cdfb6e6 RS |
109 | } |
110 | ||
111 | /* Clear the frame. */ | |
7cb010ed | 112 | static void |
1c30a66f | 113 | w32con_clear_frame (struct frame *f) |
6cdfb6e6 | 114 | { |
b47278e1 | 115 | COORD dest; |
84f5bd81 AI |
116 | int n; |
117 | DWORD r; | |
a5404e3a AI |
118 | CONSOLE_SCREEN_BUFFER_INFO info; |
119 | ||
120 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 121 | |
a5404e3a | 122 | /* Remember that the screen buffer might be wider than the window. */ |
90022f5a | 123 | n = FRAME_LINES (f) * info.dwSize.X; |
b47278e1 GV |
124 | dest.X = dest.Y = 0; |
125 | ||
338b1bb2 | 126 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
127 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
128 | ||
1c30a66f | 129 | w32con_move_cursor (f, 0, 0); |
6cdfb6e6 RS |
130 | } |
131 | ||
132 | ||
8c2ac482 | 133 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
134 | static BOOL ceol_initialized = FALSE; |
135 | ||
136 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
7cb010ed | 137 | static void |
1c30a66f | 138 | w32con_clear_end_of_line (struct frame *f, int end) |
6cdfb6e6 RS |
139 | { |
140 | if (!ceol_initialized) | |
141 | { | |
142 | int i; | |
143 | for (i = 0; i < 256; i++) | |
144 | { | |
8c2ac482 | 145 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
146 | } |
147 | ceol_initialized = TRUE; | |
148 | } | |
1c30a66f | 149 | w32con_write_glyphs (f, glyph_base, end - cursor_coords.X); /* fencepost ? */ |
6cdfb6e6 RS |
150 | } |
151 | ||
152 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
7cb010ed | 153 | static void |
1c30a66f | 154 | w32con_ins_del_lines (struct frame *f, int vpos, int n) |
6cdfb6e6 | 155 | { |
e850a615 | 156 | int i, nb; |
6cdfb6e6 | 157 | SMALL_RECT scroll; |
09320d30 | 158 | SMALL_RECT clip; |
6cdfb6e6 RS |
159 | COORD dest; |
160 | CHAR_INFO fill; | |
6cdfb6e6 RS |
161 | |
162 | if (n < 0) | |
163 | { | |
164 | scroll.Top = vpos - n; | |
90022f5a | 165 | scroll.Bottom = FRAME_LINES (f); |
6cdfb6e6 RS |
166 | dest.Y = vpos; |
167 | } | |
168 | else | |
169 | { | |
170 | scroll.Top = vpos; | |
90022f5a | 171 | scroll.Bottom = FRAME_LINES (f) - n; |
6cdfb6e6 RS |
172 | dest.Y = vpos + n; |
173 | } | |
09320d30 JR |
174 | clip.Top = clip.Left = scroll.Left = 0; |
175 | clip.Right = scroll.Right = FRAME_COLS (f); | |
176 | clip.Bottom = FRAME_LINES (f); | |
177c0ea7 | 177 | |
6cdfb6e6 | 178 | dest.X = 0; |
177c0ea7 | 179 | |
6cdfb6e6 | 180 | fill.Char.AsciiChar = 0x20; |
338b1bb2 | 181 | fill.Attributes = char_attr_normal; |
177c0ea7 | 182 | |
09320d30 | 183 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 | 184 | |
fbd6baed | 185 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
186 | region looks like abc and we scroll c to a and fill with d we get |
187 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
188 | Emacs expects cdd consistently... So we have to deal with that | |
189 | here... (this also occurs scrolling the same way in the other | |
190 | direction. */ | |
191 | ||
192 | if (n > 0) | |
193 | { | |
194 | if (scroll.Bottom < dest.Y) | |
195 | { | |
196 | for (i = scroll.Bottom; i < dest.Y; i++) | |
197 | { | |
1c30a66f JR |
198 | w32con_move_cursor (f, i, 0); |
199 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
200 | } |
201 | } | |
202 | } | |
203 | else | |
204 | { | |
205 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
206 | ||
207 | if (nb < scroll.Top) | |
177c0ea7 | 208 | { |
6cdfb6e6 RS |
209 | for (i = nb; i < scroll.Top; i++) |
210 | { | |
1c30a66f JR |
211 | w32con_move_cursor (f, i, 0); |
212 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
213 | } |
214 | } | |
215 | } | |
177c0ea7 | 216 | |
6cdfb6e6 RS |
217 | cursor_coords.X = 0; |
218 | cursor_coords.Y = vpos; | |
6cdfb6e6 RS |
219 | } |
220 | ||
221 | #undef LEFT | |
222 | #undef RIGHT | |
223 | #define LEFT 1 | |
224 | #define RIGHT 0 | |
225 | ||
4fdbdbbd | 226 | static void |
1c30a66f | 227 | scroll_line (struct frame *f, int dist, int direction) |
6cdfb6e6 RS |
228 | { |
229 | /* The idea here is to implement a horizontal scroll in one line to | |
230 | implement delete and half of insert. */ | |
09320d30 | 231 | SMALL_RECT scroll, clip; |
6cdfb6e6 RS |
232 | COORD dest; |
233 | CHAR_INFO fill; | |
177c0ea7 | 234 | |
09320d30 JR |
235 | clip.Top = scroll.Top = clip.Bottom = scroll.Bottom = cursor_coords.Y; |
236 | clip.Left = 0; | |
237 | clip.Right = FRAME_COLS (f); | |
177c0ea7 | 238 | |
6cdfb6e6 RS |
239 | if (direction == LEFT) |
240 | { | |
241 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 242 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
243 | } |
244 | else | |
245 | { | |
246 | scroll.Left = cursor_coords.X; | |
90022f5a | 247 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 248 | } |
177c0ea7 | 249 | |
6cdfb6e6 RS |
250 | dest.X = cursor_coords.X; |
251 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 252 | |
6cdfb6e6 | 253 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
254 | fill.Attributes = char_attr_normal; |
255 | ||
09320d30 | 256 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 RS |
257 | } |
258 | ||
259 | ||
260 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 261 | static void |
b56ceb92 JB |
262 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, |
263 | register int len) | |
6cdfb6e6 | 264 | { |
1c30a66f | 265 | scroll_line (f, len, RIGHT); |
6cdfb6e6 RS |
266 | |
267 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
268 | if (start) | |
269 | { | |
270 | /* Print the first len characters of start, cursor_coords.X adjusted | |
271 | by write_glyphs. */ | |
177c0ea7 | 272 | |
1c30a66f | 273 | w32con_write_glyphs (f, start, len); |
6cdfb6e6 RS |
274 | } |
275 | else | |
276 | { | |
1c30a66f | 277 | w32con_clear_end_of_line (f, cursor_coords.X + len); |
6cdfb6e6 RS |
278 | } |
279 | } | |
280 | ||
b56ceb92 | 281 | extern unsigned char *encode_terminal_code (struct glyph *, int, |
f57e2426 | 282 | struct coding_system *); |
853895f6 | 283 | |
7cb010ed | 284 | static void |
1c30a66f JR |
285 | w32con_write_glyphs (struct frame *f, register struct glyph *string, |
286 | register int len) | |
6cdfb6e6 | 287 | { |
84f5bd81 | 288 | DWORD r; |
338b1bb2 | 289 | WORD char_attr; |
aee31bf1 KH |
290 | unsigned char *conversion_buffer; |
291 | struct coding_system *coding; | |
338b1bb2 JR |
292 | |
293 | if (len <= 0) | |
294 | return; | |
b47278e1 | 295 | |
aee31bf1 KH |
296 | /* If terminal_coding does any conversion, use it, otherwise use |
297 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
298 | because it always return 1 if the member src_multibyte is 1. */ | |
1c30a66f JR |
299 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
300 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
8c2ac482 JR |
301 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
302 | the tail. */ | |
1c30a66f | 303 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
6cdfb6e6 | 304 | |
8c2ac482 | 305 | while (len > 0) |
6cdfb6e6 | 306 | { |
8c2ac482 JR |
307 | /* Identify a run of glyphs with the same face. */ |
308 | int face_id = string->face_id; | |
309 | int n; | |
177c0ea7 | 310 | |
8c2ac482 JR |
311 | for (n = 1; n < len; ++n) |
312 | if (string[n].face_id != face_id) | |
313 | break; | |
314 | ||
315 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 316 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 | 317 | |
aee31bf1 KH |
318 | if (n == len) |
319 | /* This is the last run. */ | |
320 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
321 | conversion_buffer = encode_terminal_code (string, n, coding); | |
322 | if (coding->produced > 0) | |
323 | { | |
324 | /* Set the attribute for these characters. */ | |
325 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
326 | coding->produced, cursor_coords, | |
327 | &r)) | |
8c2ac482 | 328 | { |
aee31bf1 KH |
329 | printf ("Failed writing console attributes: %d\n", |
330 | GetLastError ()); | |
331 | fflush (stdout); | |
332 | } | |
333 | ||
334 | /* Write the characters. */ | |
56cc8ca9 | 335 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, |
aee31bf1 KH |
336 | coding->produced, cursor_coords, |
337 | &r)) | |
338 | { | |
339 | printf ("Failed writing console characters: %d\n", | |
340 | GetLastError ()); | |
341 | fflush (stdout); | |
342 | } | |
343 | ||
344 | cursor_coords.X += coding->produced; | |
1c30a66f | 345 | w32con_move_cursor (f, cursor_coords.Y, cursor_coords.X); |
aee31bf1 KH |
346 | } |
347 | len -= n; | |
348 | string += n; | |
6cdfb6e6 | 349 | } |
6cdfb6e6 RS |
350 | } |
351 | ||
8c2ac482 | 352 | |
7cb010ed | 353 | static void |
1c30a66f | 354 | w32con_delete_glyphs (struct frame *f, int n) |
6cdfb6e6 | 355 | { |
177c0ea7 JB |
356 | /* delete chars means scroll chars from cursor_coords.X + n to |
357 | cursor_coords.X, anything beyond the edge of the screen should | |
6cdfb6e6 RS |
358 | come out empty... */ |
359 | ||
1c30a66f | 360 | scroll_line (f, n, LEFT); |
6cdfb6e6 RS |
361 | } |
362 | ||
0534d577 | 363 | static unsigned int sound_type = 0xFFFFFFFF; |
78859b80 | 364 | #define MB_EMACS_SILENT (0xFFFFFFFF - 1) |
0534d577 | 365 | |
6cdfb6e6 | 366 | void |
1c30a66f | 367 | w32_sys_ring_bell (struct frame *f) |
6cdfb6e6 | 368 | { |
177c0ea7 | 369 | if (sound_type == 0xFFFFFFFF) |
78859b80 | 370 | { |
0534d577 | 371 | Beep (666, 100); |
78859b80 GV |
372 | } |
373 | else if (sound_type == MB_EMACS_SILENT) | |
374 | { | |
375 | /* Do nothing. */ | |
376 | } | |
0534d577 | 377 | else |
78859b80 | 378 | MessageBeep (sound_type); |
6cdfb6e6 RS |
379 | } |
380 | ||
0534d577 | 381 | DEFUN ("set-message-beep", Fset_message_beep, Sset_message_beep, 1, 1, 0, |
33f09670 JR |
382 | doc: /* Set the sound generated when the bell is rung. |
383 | SOUND is 'asterisk, 'exclamation, 'hand, 'question, 'ok, or 'silent | |
384 | to use the corresponding system sound for the bell. The 'silent sound | |
385 | prevents Emacs from making any sound at all. | |
386 | SOUND is nil to use the normal beep. */) | |
5842a27b | 387 | (Lisp_Object sound) |
6cdfb6e6 | 388 | { |
b7826503 | 389 | CHECK_SYMBOL (sound); |
0534d577 | 390 | |
177c0ea7 | 391 | if (NILP (sound)) |
0534d577 KH |
392 | sound_type = 0xFFFFFFFF; |
393 | else if (EQ (sound, intern ("asterisk"))) | |
394 | sound_type = MB_ICONASTERISK; | |
177c0ea7 | 395 | else if (EQ (sound, intern ("exclamation"))) |
0534d577 | 396 | sound_type = MB_ICONEXCLAMATION; |
177c0ea7 | 397 | else if (EQ (sound, intern ("hand"))) |
0534d577 | 398 | sound_type = MB_ICONHAND; |
177c0ea7 | 399 | else if (EQ (sound, intern ("question"))) |
0534d577 | 400 | sound_type = MB_ICONQUESTION; |
177c0ea7 | 401 | else if (EQ (sound, intern ("ok"))) |
0534d577 | 402 | sound_type = MB_OK; |
78859b80 GV |
403 | else if (EQ (sound, intern ("silent"))) |
404 | sound_type = MB_EMACS_SILENT; | |
0534d577 KH |
405 | else |
406 | sound_type = 0xFFFFFFFF; | |
407 | ||
408 | return sound; | |
6cdfb6e6 | 409 | } |
177c0ea7 | 410 | |
7cb010ed | 411 | static void |
1c30a66f | 412 | w32con_reset_terminal_modes (struct terminal *t) |
6cdfb6e6 | 413 | { |
09320d30 JR |
414 | COORD dest; |
415 | CONSOLE_SCREEN_BUFFER_INFO info; | |
416 | int n; | |
417 | DWORD r; | |
418 | ||
419 | /* Clear the complete screen buffer. This is required because Emacs | |
420 | sets the cursor position to the top of the buffer, but there might | |
421 | be other output below the bottom of the Emacs frame if the screen buffer | |
422 | is larger than the window size. */ | |
423 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
424 | dest.X = 0; | |
425 | dest.Y = 0; | |
426 | n = info.dwSize.X * info.dwSize.Y; | |
427 | ||
428 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); | |
429 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
430 | /* Now that the screen is clear, put the cursor at the top. */ | |
431 | SetConsoleCursorPosition (cur_screen, dest); | |
b56ceb92 | 432 | |
3e671d90 | 433 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 434 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
435 | #else |
436 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
437 | #endif | |
09320d30 | 438 | |
3e671d90 | 439 | SetConsoleMode (keyboard_handle, prev_console_mode); |
6cdfb6e6 RS |
440 | } |
441 | ||
7cb010ed | 442 | static void |
1c30a66f | 443 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
444 | { |
445 | CONSOLE_CURSOR_INFO cci; | |
446 | ||
3e671d90 GV |
447 | /* make cursor big and visible (100 on Win95 makes it disappear) */ |
448 | cci.dwSize = 99; | |
449 | cci.bVisible = TRUE; | |
450 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 451 | |
3e671d90 | 452 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 453 | |
3e671d90 | 454 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 455 | |
3e671d90 GV |
456 | /* Initialize input mode: interrupt_input off, no flow control, allow |
457 | 8 bit character input, standard quit char. */ | |
458 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
459 | } |
460 | ||
461 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
462 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 463 | |
6cdfb6e6 | 464 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
465 | static void |
466 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
467 | { |
468 | } | |
469 | ||
7cb010ed JR |
470 | static void |
471 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
472 | { |
473 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
474 | } | |
475 | ||
7cb010ed | 476 | static void |
1c30a66f | 477 | w32con_set_terminal_window (struct frame *f, int size) |
6cdfb6e6 RS |
478 | { |
479 | } | |
480 | ||
91eac4bb JB |
481 | /*********************************************************************** |
482 | stubs from termcap.c | |
483 | ***********************************************************************/ | |
484 | ||
485 | void | |
ed3751c8 | 486 | sys_tputs (char *str, int nlines, int (*outfun) (int)) |
91eac4bb JB |
487 | { |
488 | } | |
489 | ||
490 | char * | |
491 | sys_tgetstr (char *cap, char **area) | |
492 | { | |
493 | return NULL; | |
494 | } | |
495 | ||
496 | ||
497 | /*********************************************************************** | |
498 | stubs from cm.c | |
499 | ***********************************************************************/ | |
500 | ||
501 | struct tty_display_info *current_tty = NULL; | |
502 | int cost = 0; | |
503 | ||
504 | int | |
b56ceb92 | 505 | evalcost (int c) |
91eac4bb JB |
506 | { |
507 | return c; | |
508 | } | |
509 | ||
510 | int | |
b56ceb92 | 511 | cmputc (int c) |
91eac4bb JB |
512 | { |
513 | return c; | |
514 | } | |
515 | ||
516 | void | |
517 | cmcheckmagic (struct tty_display_info *tty) | |
518 | { | |
519 | } | |
520 | ||
521 | void | |
522 | cmcostinit (struct tty_display_info *tty) | |
523 | { | |
524 | } | |
525 | ||
526 | void | |
527 | cmgoto (struct tty_display_info *tty, int row, int col) | |
528 | { | |
529 | } | |
530 | ||
531 | void | |
532 | Wcm_clear (struct tty_display_info *tty) | |
533 | { | |
534 | } | |
535 | ||
536 | ||
8c2ac482 JR |
537 | /*********************************************************************** |
538 | Faces | |
539 | ***********************************************************************/ | |
540 | ||
541 | ||
542 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
543 | ||
338b1bb2 | 544 | static WORD |
b56ceb92 | 545 | w32_face_attributes (struct frame *f, int face_id) |
8c2ac482 | 546 | { |
338b1bb2 | 547 | WORD char_attr; |
8c2ac482 JR |
548 | struct face *face = FACE_FROM_ID (f, face_id); |
549 | ||
550 | xassert (face != NULL); | |
551 | ||
552 | char_attr = char_attr_normal; | |
553 | ||
f442d348 JR |
554 | /* Reverse the default color if requested. If background and |
555 | foreground are specified, then they have been reversed already. */ | |
e850a615 | 556 | if (face->tty_reverse_p) |
338b1bb2 JR |
557 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
558 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 559 | |
b510360c | 560 | /* Before the terminal is properly initialized, all colors map to 0. |
f442d348 | 561 | Don't try to resolve them. */ |
b510360c | 562 | if (NILP (Vtty_defined_color_alist)) |
f442d348 | 563 | return char_attr; |
8c2ac482 | 564 | |
30b7f3e6 JR |
565 | /* Colors should be in the range 0...15 unless they are one of |
566 | FACE_TTY_DEFAULT_COLOR, FACE_TTY_DEFAULT_FG_COLOR or | |
567 | FACE_TTY_DEFAULT_BG_COLOR. Other out of range colors are | |
568 | invalid, so it is better to use the default color if they ever | |
569 | get through to here. */ | |
570 | if (face->foreground >= 0 && face->foreground < 16) | |
f442d348 | 571 | char_attr = (char_attr & 0xfff0) + face->foreground; |
8c2ac482 | 572 | |
30b7f3e6 | 573 | if (face->background >= 0 && face->background < 16) |
f442d348 | 574 | char_attr = (char_attr & 0xff0f) + (face->background << 4); |
8c2ac482 | 575 | |
338b1bb2 | 576 | return char_attr; |
8c2ac482 | 577 | } |
8c2ac482 | 578 | |
6cdfb6e6 | 579 | void |
79af260e | 580 | initialize_w32_display (struct terminal *term) |
6cdfb6e6 RS |
581 | { |
582 | CONSOLE_SCREEN_BUFFER_INFO info; | |
177c0ea7 | 583 | |
9b8f0fc3 | 584 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f | 585 | term->cursor_to_hook = w32con_move_cursor; |
b56ceb92 JB |
586 | term->raw_cursor_to_hook = w32con_move_cursor; |
587 | term->clear_to_end_hook = w32con_clear_to_end; | |
588 | term->clear_frame_hook = w32con_clear_frame; | |
1c30a66f | 589 | term->clear_end_of_line_hook = w32con_clear_end_of_line; |
b56ceb92 JB |
590 | term->ins_del_lines_hook = w32con_ins_del_lines; |
591 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
592 | term->write_glyphs_hook = w32con_write_glyphs; | |
593 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
1c30a66f | 594 | term->ring_bell_hook = w32_sys_ring_bell; |
b56ceb92 | 595 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; |
1c30a66f | 596 | term->set_terminal_modes_hook = w32con_set_terminal_modes; |
b56ceb92 JB |
597 | term->set_terminal_window_hook = w32con_set_terminal_window; |
598 | term->update_begin_hook = w32con_update_begin; | |
1c30a66f JR |
599 | term->update_end_hook = w32con_update_end; |
600 | ||
601 | term->read_socket_hook = w32_console_read_socket; | |
602 | term->mouse_position_hook = w32_console_mouse_position; | |
3e671d90 | 603 | |
9b8f0fc3 JR |
604 | /* The following are not used on the console. */ |
605 | term->frame_rehighlight_hook = 0; | |
606 | term->frame_raise_lower_hook = 0; | |
607 | term->set_vertical_scroll_bar_hook = 0; | |
608 | term->condemn_scroll_bars_hook = 0; | |
609 | term->redeem_scroll_bar_hook = 0; | |
610 | term->judge_scroll_bars_hook = 0; | |
611 | term->frame_up_to_date_hook = 0; | |
3e671d90 | 612 | |
c1e06681 AI |
613 | /* Initialize interrupt_handle. */ |
614 | init_crit (); | |
615 | ||
3e671d90 GV |
616 | /* Remember original console settings. */ |
617 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
618 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
619 | ||
6cdfb6e6 | 620 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 621 | |
3e671d90 GV |
622 | #ifdef USE_SEPARATE_SCREEN |
623 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
624 | 0, NULL, | |
625 | CONSOLE_TEXTMODE_BUFFER, | |
626 | NULL); | |
627 | ||
628 | if (cur_screen == INVALID_HANDLE_VALUE) | |
629 | { | |
630 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
631 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
632 | fflush (stdout); | |
633 | exit (0); | |
634 | } | |
635 | #else | |
636 | cur_screen = prev_screen; | |
637 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
638 | #endif | |
639 | ||
191100f2 AI |
640 | /* Respect setting of LINES and COLUMNS environment variables. */ |
641 | { | |
ed3751c8 JB |
642 | char * lines = getenv ("LINES"); |
643 | char * columns = getenv ("COLUMNS"); | |
191100f2 AI |
644 | |
645 | if (lines != NULL && columns != NULL) | |
646 | { | |
647 | SMALL_RECT new_win_dims; | |
648 | COORD new_size; | |
649 | ||
650 | new_size.X = atoi (columns); | |
651 | new_size.Y = atoi (lines); | |
652 | ||
653 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
654 | ||
655 | /* Shrink the window first, so the buffer dimensions can be | |
656 | reduced if necessary. */ | |
657 | new_win_dims.Top = 0; | |
658 | new_win_dims.Left = 0; | |
659 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
660 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
661 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
662 | ||
663 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
664 | ||
665 | /* Set the window size to match the buffer dimension. */ | |
666 | new_win_dims.Top = 0; | |
667 | new_win_dims.Left = 0; | |
668 | new_win_dims.Bottom = new_size.Y - 1; | |
669 | new_win_dims.Right = new_size.X - 1; | |
670 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
671 | } | |
672 | } | |
673 | ||
6cdfb6e6 | 674 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 675 | |
338b1bb2 | 676 | char_attr_normal = info.wAttributes; |
938469f2 | 677 | |
3fb1d72b JR |
678 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
679 | is realistic. Old MS Telnet servers used to only fill out | |
680 | the dwSize portion, even modern one fill the whole struct with | |
681 | garbage when using non-MS telnet clients. */ | |
682 | if ((w32_use_full_screen_buffer | |
683 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
684 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
685 | || (!w32_use_full_screen_buffer | |
686 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
687 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
688 | || info.srWindow.Right - info.srWindow.Left < 40 | |
689 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
690 | { | |
691 | FRAME_LINES (SELECTED_FRAME ()) = 25; | |
692 | SET_FRAME_COLS (SELECTED_FRAME (), 80); | |
693 | } | |
694 | ||
695 | else if (w32_use_full_screen_buffer) | |
191100f2 | 696 | { |
90022f5a KS |
697 | FRAME_LINES (SELECTED_FRAME ()) = info.dwSize.Y; /* lines per page */ |
698 | SET_FRAME_COLS (SELECTED_FRAME (), info.dwSize.X); /* characters per line */ | |
191100f2 AI |
699 | } |
700 | else | |
701 | { | |
702 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
90022f5a | 703 | FRAME_LINES (SELECTED_FRAME ()) = 1 + info.srWindow.Bottom - |
177c0ea7 | 704 | info.srWindow.Top; |
191100f2 | 705 | /* Characters per line. Use buffer coords instead of buffer size. */ |
90022f5a | 706 | SET_FRAME_COLS (SELECTED_FRAME (), 1 + info.srWindow.Right - |
191100f2 AI |
707 | info.srWindow.Left); |
708 | } | |
65fb143c JR |
709 | |
710 | /* Setup w32_display_info structure for this frame. */ | |
711 | ||
712 | w32_initialize_display_info (build_string ("Console")); | |
713 | ||
6cdfb6e6 RS |
714 | } |
715 | ||
1c30a66f | 716 | |
6cdfb6e6 | 717 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
33f09670 | 718 | doc: /* Set screen colors. */) |
5842a27b | 719 | (Lisp_Object foreground, Lisp_Object background) |
6cdfb6e6 RS |
720 | { |
721 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
722 | |
723 | Frecenter (Qnil); | |
724 | return Qt; | |
725 | } | |
726 | ||
727 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, | |
33f09670 | 728 | doc: /* Set cursor size. */) |
5842a27b | 729 | (Lisp_Object size) |
6cdfb6e6 RS |
730 | { |
731 | CONSOLE_CURSOR_INFO cci; | |
732 | cci.dwSize = XFASTINT (size); | |
733 | cci.bVisible = TRUE; | |
734 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 735 | |
6cdfb6e6 RS |
736 | return Qt; |
737 | } | |
738 | ||
0534d577 | 739 | void |
b56ceb92 | 740 | syms_of_ntterm (void) |
6cdfb6e6 | 741 | { |
191100f2 | 742 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
29208e82 | 743 | w32_use_full_screen_buffer, |
33f09670 | 744 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 745 | This is desirable when running Emacs over telnet. |
33f09670 JR |
746 | A value of nil means use the current console window dimensions; this |
747 | may be preferrable when working directly at the console with a large | |
748 | scroll-back buffer. */); | |
3fb1d72b | 749 | w32_use_full_screen_buffer = 0; |
191100f2 | 750 | |
6cdfb6e6 RS |
751 | defsubr (&Sset_screen_color); |
752 | defsubr (&Sset_cursor_size); | |
0534d577 | 753 | defsubr (&Sset_message_beep); |
6cdfb6e6 | 754 | } |
6b61353c | 755 |