Commit | Line | Data |
---|---|---|
e6b20d65 | 1 | /* Terminal hooks for GNU Emacs on the Microsoft W32 API. |
acaf905b | 2 | Copyright (C) 1992, 1999, 2001-2012 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 | 43 | |
1c30a66f JR |
44 | static void w32con_move_cursor (struct frame *f, int row, int col); |
45 | static void w32con_clear_to_end (struct frame *f); | |
46 | static void w32con_clear_frame (struct frame *f); | |
47 | static void w32con_clear_end_of_line (struct frame *f, int); | |
48 | static void w32con_ins_del_lines (struct frame *f, int vpos, int n); | |
49 | static void w32con_insert_glyphs (struct frame *f, struct glyph *start, int len); | |
50 | static void w32con_write_glyphs (struct frame *f, struct glyph *string, int len); | |
51 | static void w32con_delete_glyphs (struct frame *f, int n); | |
52 | static void w32con_reset_terminal_modes (struct terminal *t); | |
53 | static void w32con_set_terminal_modes (struct terminal *t); | |
54 | static void w32con_set_terminal_window (struct frame *f, int size); | |
7cb010ed JR |
55 | static void w32con_update_begin (struct frame * f); |
56 | static void w32con_update_end (struct frame * f); | |
338b1bb2 | 57 | static WORD w32_face_attributes (struct frame *f, int face_id); |
6cdfb6e6 | 58 | |
338b1bb2 JR |
59 | static COORD cursor_coords; |
60 | static HANDLE prev_screen, cur_screen; | |
61 | static WORD char_attr_normal; | |
b56ceb92 | 62 | static DWORD prev_console_mode; |
6cdfb6e6 | 63 | |
3e671d90 | 64 | #ifndef USE_SEPARATE_SCREEN |
338b1bb2 | 65 | static CONSOLE_CURSOR_INFO prev_console_cursor; |
3e671d90 GV |
66 | #endif |
67 | ||
338b1bb2 | 68 | HANDLE keyboard_handle; |
191100f2 | 69 | |
6cdfb6e6 RS |
70 | |
71 | /* Setting this as the ctrl handler prevents emacs from being killed when | |
40d578c9 RS |
72 | someone hits ^C in a 'suspended' session (child shell). |
73 | Also ignore Ctrl-Break signals. */ | |
74 | ||
6cdfb6e6 RS |
75 | BOOL |
76 | ctrl_c_handler (unsigned long type) | |
77 | { | |
3e671d90 GV |
78 | /* Only ignore "interrupt" events when running interactively. */ |
79 | return (!noninteractive | |
80 | && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT)); | |
6cdfb6e6 RS |
81 | } |
82 | ||
6cdfb6e6 | 83 | |
1c30a66f | 84 | /* Move the cursor to (ROW, COL) on FRAME. */ |
4fdbdbbd | 85 | static void |
1c30a66f | 86 | w32con_move_cursor (struct frame *f, int row, int col) |
6cdfb6e6 RS |
87 | { |
88 | cursor_coords.X = col; | |
89 | cursor_coords.Y = row; | |
177c0ea7 | 90 | |
1c30a66f JR |
91 | /* TODO: for multi-tty support, cur_screen should be replaced with a |
92 | reference to the terminal for this frame. */ | |
93 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
6cdfb6e6 RS |
94 | } |
95 | ||
96 | /* Clear from cursor to end of screen. */ | |
4fdbdbbd | 97 | static void |
1c30a66f | 98 | w32con_clear_to_end (struct frame *f) |
6cdfb6e6 | 99 | { |
1c30a66f JR |
100 | w32con_clear_end_of_line (f, FRAME_COLS (f) - 1); |
101 | w32con_ins_del_lines (f, cursor_coords.Y, FRAME_LINES (f) - cursor_coords.Y - 1); | |
6cdfb6e6 RS |
102 | } |
103 | ||
104 | /* Clear the frame. */ | |
7cb010ed | 105 | static void |
1c30a66f | 106 | w32con_clear_frame (struct frame *f) |
6cdfb6e6 | 107 | { |
b47278e1 | 108 | COORD dest; |
84f5bd81 AI |
109 | int n; |
110 | DWORD r; | |
a5404e3a AI |
111 | CONSOLE_SCREEN_BUFFER_INFO info; |
112 | ||
113 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 114 | |
a5404e3a | 115 | /* Remember that the screen buffer might be wider than the window. */ |
90022f5a | 116 | n = FRAME_LINES (f) * info.dwSize.X; |
b47278e1 GV |
117 | dest.X = dest.Y = 0; |
118 | ||
338b1bb2 | 119 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
120 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
121 | ||
1c30a66f | 122 | w32con_move_cursor (f, 0, 0); |
6cdfb6e6 RS |
123 | } |
124 | ||
125 | ||
8c2ac482 | 126 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
127 | static BOOL ceol_initialized = FALSE; |
128 | ||
129 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
7cb010ed | 130 | static void |
1c30a66f | 131 | w32con_clear_end_of_line (struct frame *f, int end) |
6cdfb6e6 RS |
132 | { |
133 | if (!ceol_initialized) | |
134 | { | |
135 | int i; | |
136 | for (i = 0; i < 256; i++) | |
137 | { | |
8c2ac482 | 138 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
139 | } |
140 | ceol_initialized = TRUE; | |
141 | } | |
1c30a66f | 142 | w32con_write_glyphs (f, glyph_base, end - cursor_coords.X); /* fencepost ? */ |
6cdfb6e6 RS |
143 | } |
144 | ||
145 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
7cb010ed | 146 | static void |
1c30a66f | 147 | w32con_ins_del_lines (struct frame *f, int vpos, int n) |
6cdfb6e6 | 148 | { |
e850a615 | 149 | int i, nb; |
6cdfb6e6 | 150 | SMALL_RECT scroll; |
09320d30 | 151 | SMALL_RECT clip; |
6cdfb6e6 RS |
152 | COORD dest; |
153 | CHAR_INFO fill; | |
6cdfb6e6 RS |
154 | |
155 | if (n < 0) | |
156 | { | |
157 | scroll.Top = vpos - n; | |
90022f5a | 158 | scroll.Bottom = FRAME_LINES (f); |
6cdfb6e6 RS |
159 | dest.Y = vpos; |
160 | } | |
161 | else | |
162 | { | |
163 | scroll.Top = vpos; | |
90022f5a | 164 | scroll.Bottom = FRAME_LINES (f) - n; |
6cdfb6e6 RS |
165 | dest.Y = vpos + n; |
166 | } | |
09320d30 JR |
167 | clip.Top = clip.Left = scroll.Left = 0; |
168 | clip.Right = scroll.Right = FRAME_COLS (f); | |
169 | clip.Bottom = FRAME_LINES (f); | |
177c0ea7 | 170 | |
6cdfb6e6 | 171 | dest.X = 0; |
177c0ea7 | 172 | |
6cdfb6e6 | 173 | fill.Char.AsciiChar = 0x20; |
338b1bb2 | 174 | fill.Attributes = char_attr_normal; |
177c0ea7 | 175 | |
09320d30 | 176 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 | 177 | |
fbd6baed | 178 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
179 | region looks like abc and we scroll c to a and fill with d we get |
180 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
181 | Emacs expects cdd consistently... So we have to deal with that | |
182 | here... (this also occurs scrolling the same way in the other | |
183 | direction. */ | |
184 | ||
185 | if (n > 0) | |
186 | { | |
187 | if (scroll.Bottom < dest.Y) | |
188 | { | |
189 | for (i = scroll.Bottom; i < dest.Y; i++) | |
190 | { | |
1c30a66f JR |
191 | w32con_move_cursor (f, i, 0); |
192 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
193 | } |
194 | } | |
195 | } | |
196 | else | |
197 | { | |
198 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
199 | ||
200 | if (nb < scroll.Top) | |
177c0ea7 | 201 | { |
6cdfb6e6 RS |
202 | for (i = nb; i < scroll.Top; i++) |
203 | { | |
1c30a66f JR |
204 | w32con_move_cursor (f, i, 0); |
205 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
206 | } |
207 | } | |
208 | } | |
177c0ea7 | 209 | |
6cdfb6e6 RS |
210 | cursor_coords.X = 0; |
211 | cursor_coords.Y = vpos; | |
6cdfb6e6 RS |
212 | } |
213 | ||
214 | #undef LEFT | |
215 | #undef RIGHT | |
216 | #define LEFT 1 | |
217 | #define RIGHT 0 | |
218 | ||
4fdbdbbd | 219 | static void |
1c30a66f | 220 | scroll_line (struct frame *f, int dist, int direction) |
6cdfb6e6 RS |
221 | { |
222 | /* The idea here is to implement a horizontal scroll in one line to | |
223 | implement delete and half of insert. */ | |
09320d30 | 224 | SMALL_RECT scroll, clip; |
6cdfb6e6 RS |
225 | COORD dest; |
226 | CHAR_INFO fill; | |
177c0ea7 | 227 | |
09320d30 JR |
228 | clip.Top = scroll.Top = clip.Bottom = scroll.Bottom = cursor_coords.Y; |
229 | clip.Left = 0; | |
230 | clip.Right = FRAME_COLS (f); | |
177c0ea7 | 231 | |
6cdfb6e6 RS |
232 | if (direction == LEFT) |
233 | { | |
234 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 235 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
236 | } |
237 | else | |
238 | { | |
239 | scroll.Left = cursor_coords.X; | |
90022f5a | 240 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 241 | } |
177c0ea7 | 242 | |
6cdfb6e6 RS |
243 | dest.X = cursor_coords.X; |
244 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 245 | |
6cdfb6e6 | 246 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
247 | fill.Attributes = char_attr_normal; |
248 | ||
09320d30 | 249 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 RS |
250 | } |
251 | ||
252 | ||
253 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 254 | static void |
b56ceb92 JB |
255 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, |
256 | register int len) | |
6cdfb6e6 | 257 | { |
1c30a66f | 258 | scroll_line (f, len, RIGHT); |
6cdfb6e6 RS |
259 | |
260 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
261 | if (start) | |
262 | { | |
263 | /* Print the first len characters of start, cursor_coords.X adjusted | |
264 | by write_glyphs. */ | |
177c0ea7 | 265 | |
1c30a66f | 266 | w32con_write_glyphs (f, start, len); |
6cdfb6e6 RS |
267 | } |
268 | else | |
269 | { | |
1c30a66f | 270 | w32con_clear_end_of_line (f, cursor_coords.X + len); |
6cdfb6e6 RS |
271 | } |
272 | } | |
273 | ||
7cb010ed | 274 | static void |
1c30a66f JR |
275 | w32con_write_glyphs (struct frame *f, register struct glyph *string, |
276 | register int len) | |
6cdfb6e6 | 277 | { |
84f5bd81 | 278 | DWORD r; |
338b1bb2 | 279 | WORD char_attr; |
aee31bf1 KH |
280 | unsigned char *conversion_buffer; |
281 | struct coding_system *coding; | |
338b1bb2 JR |
282 | |
283 | if (len <= 0) | |
284 | return; | |
b47278e1 | 285 | |
aee31bf1 KH |
286 | /* If terminal_coding does any conversion, use it, otherwise use |
287 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
288 | because it always return 1 if the member src_multibyte is 1. */ | |
1c30a66f JR |
289 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
290 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
8c2ac482 JR |
291 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
292 | the tail. */ | |
1c30a66f | 293 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
6cdfb6e6 | 294 | |
8c2ac482 | 295 | while (len > 0) |
6cdfb6e6 | 296 | { |
8c2ac482 JR |
297 | /* Identify a run of glyphs with the same face. */ |
298 | int face_id = string->face_id; | |
299 | int n; | |
177c0ea7 | 300 | |
8c2ac482 JR |
301 | for (n = 1; n < len; ++n) |
302 | if (string[n].face_id != face_id) | |
303 | break; | |
304 | ||
305 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 306 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 | 307 | |
aee31bf1 KH |
308 | if (n == len) |
309 | /* This is the last run. */ | |
310 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
311 | conversion_buffer = encode_terminal_code (string, n, coding); | |
312 | if (coding->produced > 0) | |
313 | { | |
314 | /* Set the attribute for these characters. */ | |
315 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
316 | coding->produced, cursor_coords, | |
317 | &r)) | |
8c2ac482 | 318 | { |
aee31bf1 KH |
319 | printf ("Failed writing console attributes: %d\n", |
320 | GetLastError ()); | |
321 | fflush (stdout); | |
322 | } | |
323 | ||
324 | /* Write the characters. */ | |
56cc8ca9 | 325 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, |
aee31bf1 KH |
326 | coding->produced, cursor_coords, |
327 | &r)) | |
328 | { | |
329 | printf ("Failed writing console characters: %d\n", | |
330 | GetLastError ()); | |
331 | fflush (stdout); | |
332 | } | |
333 | ||
334 | cursor_coords.X += coding->produced; | |
1c30a66f | 335 | w32con_move_cursor (f, cursor_coords.Y, cursor_coords.X); |
aee31bf1 KH |
336 | } |
337 | len -= n; | |
338 | string += n; | |
6cdfb6e6 | 339 | } |
6cdfb6e6 RS |
340 | } |
341 | ||
8c2ac482 | 342 | |
7cb010ed | 343 | static void |
1c30a66f | 344 | w32con_delete_glyphs (struct frame *f, int n) |
6cdfb6e6 | 345 | { |
177c0ea7 JB |
346 | /* delete chars means scroll chars from cursor_coords.X + n to |
347 | cursor_coords.X, anything beyond the edge of the screen should | |
6cdfb6e6 RS |
348 | come out empty... */ |
349 | ||
1c30a66f | 350 | scroll_line (f, n, LEFT); |
6cdfb6e6 RS |
351 | } |
352 | ||
0534d577 | 353 | static unsigned int sound_type = 0xFFFFFFFF; |
78859b80 | 354 | #define MB_EMACS_SILENT (0xFFFFFFFF - 1) |
0534d577 | 355 | |
6cdfb6e6 | 356 | void |
1c30a66f | 357 | w32_sys_ring_bell (struct frame *f) |
6cdfb6e6 | 358 | { |
177c0ea7 | 359 | if (sound_type == 0xFFFFFFFF) |
78859b80 | 360 | { |
0534d577 | 361 | Beep (666, 100); |
78859b80 GV |
362 | } |
363 | else if (sound_type == MB_EMACS_SILENT) | |
364 | { | |
365 | /* Do nothing. */ | |
366 | } | |
0534d577 | 367 | else |
78859b80 | 368 | MessageBeep (sound_type); |
6cdfb6e6 RS |
369 | } |
370 | ||
0534d577 | 371 | DEFUN ("set-message-beep", Fset_message_beep, Sset_message_beep, 1, 1, 0, |
33f09670 JR |
372 | doc: /* Set the sound generated when the bell is rung. |
373 | SOUND is 'asterisk, 'exclamation, 'hand, 'question, 'ok, or 'silent | |
374 | to use the corresponding system sound for the bell. The 'silent sound | |
375 | prevents Emacs from making any sound at all. | |
376 | SOUND is nil to use the normal beep. */) | |
5842a27b | 377 | (Lisp_Object sound) |
6cdfb6e6 | 378 | { |
b7826503 | 379 | CHECK_SYMBOL (sound); |
0534d577 | 380 | |
177c0ea7 | 381 | if (NILP (sound)) |
0534d577 KH |
382 | sound_type = 0xFFFFFFFF; |
383 | else if (EQ (sound, intern ("asterisk"))) | |
384 | sound_type = MB_ICONASTERISK; | |
177c0ea7 | 385 | else if (EQ (sound, intern ("exclamation"))) |
0534d577 | 386 | sound_type = MB_ICONEXCLAMATION; |
177c0ea7 | 387 | else if (EQ (sound, intern ("hand"))) |
0534d577 | 388 | sound_type = MB_ICONHAND; |
177c0ea7 | 389 | else if (EQ (sound, intern ("question"))) |
0534d577 | 390 | sound_type = MB_ICONQUESTION; |
177c0ea7 | 391 | else if (EQ (sound, intern ("ok"))) |
0534d577 | 392 | sound_type = MB_OK; |
78859b80 GV |
393 | else if (EQ (sound, intern ("silent"))) |
394 | sound_type = MB_EMACS_SILENT; | |
0534d577 KH |
395 | else |
396 | sound_type = 0xFFFFFFFF; | |
397 | ||
398 | return sound; | |
6cdfb6e6 | 399 | } |
177c0ea7 | 400 | |
7cb010ed | 401 | static void |
1c30a66f | 402 | w32con_reset_terminal_modes (struct terminal *t) |
6cdfb6e6 | 403 | { |
09320d30 JR |
404 | COORD dest; |
405 | CONSOLE_SCREEN_BUFFER_INFO info; | |
406 | int n; | |
407 | DWORD r; | |
408 | ||
409 | /* Clear the complete screen buffer. This is required because Emacs | |
410 | sets the cursor position to the top of the buffer, but there might | |
411 | be other output below the bottom of the Emacs frame if the screen buffer | |
412 | is larger than the window size. */ | |
413 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
414 | dest.X = 0; | |
415 | dest.Y = 0; | |
416 | n = info.dwSize.X * info.dwSize.Y; | |
417 | ||
418 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); | |
419 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
420 | /* Now that the screen is clear, put the cursor at the top. */ | |
421 | SetConsoleCursorPosition (cur_screen, dest); | |
b56ceb92 | 422 | |
3e671d90 | 423 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 424 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
425 | #else |
426 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
427 | #endif | |
09320d30 | 428 | |
3e671d90 | 429 | SetConsoleMode (keyboard_handle, prev_console_mode); |
6cdfb6e6 RS |
430 | } |
431 | ||
7cb010ed | 432 | static void |
1c30a66f | 433 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
434 | { |
435 | CONSOLE_CURSOR_INFO cci; | |
436 | ||
3e671d90 GV |
437 | /* make cursor big and visible (100 on Win95 makes it disappear) */ |
438 | cci.dwSize = 99; | |
439 | cci.bVisible = TRUE; | |
440 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 441 | |
3e671d90 | 442 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 443 | |
3e671d90 | 444 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 445 | |
3e671d90 GV |
446 | /* Initialize input mode: interrupt_input off, no flow control, allow |
447 | 8 bit character input, standard quit char. */ | |
448 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
449 | } |
450 | ||
451 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
452 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 453 | |
6cdfb6e6 | 454 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
455 | static void |
456 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
457 | { |
458 | } | |
459 | ||
7cb010ed JR |
460 | static void |
461 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
462 | { |
463 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
464 | } | |
465 | ||
7cb010ed | 466 | static void |
1c30a66f | 467 | w32con_set_terminal_window (struct frame *f, int size) |
6cdfb6e6 RS |
468 | { |
469 | } | |
470 | ||
91eac4bb JB |
471 | /*********************************************************************** |
472 | stubs from termcap.c | |
473 | ***********************************************************************/ | |
474 | ||
475 | void | |
ed3751c8 | 476 | sys_tputs (char *str, int nlines, int (*outfun) (int)) |
91eac4bb JB |
477 | { |
478 | } | |
479 | ||
480 | char * | |
481 | sys_tgetstr (char *cap, char **area) | |
482 | { | |
483 | return NULL; | |
484 | } | |
485 | ||
486 | ||
487 | /*********************************************************************** | |
488 | stubs from cm.c | |
489 | ***********************************************************************/ | |
490 | ||
491 | struct tty_display_info *current_tty = NULL; | |
492 | int cost = 0; | |
493 | ||
494 | int | |
b56ceb92 | 495 | evalcost (int c) |
91eac4bb JB |
496 | { |
497 | return c; | |
498 | } | |
499 | ||
500 | int | |
b56ceb92 | 501 | cmputc (int c) |
91eac4bb JB |
502 | { |
503 | return c; | |
504 | } | |
505 | ||
506 | void | |
507 | cmcheckmagic (struct tty_display_info *tty) | |
508 | { | |
509 | } | |
510 | ||
511 | void | |
512 | cmcostinit (struct tty_display_info *tty) | |
513 | { | |
514 | } | |
515 | ||
516 | void | |
517 | cmgoto (struct tty_display_info *tty, int row, int col) | |
518 | { | |
519 | } | |
520 | ||
521 | void | |
522 | Wcm_clear (struct tty_display_info *tty) | |
523 | { | |
524 | } | |
525 | ||
526 | ||
8c2ac482 JR |
527 | /*********************************************************************** |
528 | Faces | |
529 | ***********************************************************************/ | |
530 | ||
531 | ||
532 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
533 | ||
338b1bb2 | 534 | static WORD |
b56ceb92 | 535 | w32_face_attributes (struct frame *f, int face_id) |
8c2ac482 | 536 | { |
338b1bb2 | 537 | WORD char_attr; |
8c2ac482 JR |
538 | struct face *face = FACE_FROM_ID (f, face_id); |
539 | ||
540 | xassert (face != NULL); | |
541 | ||
542 | char_attr = char_attr_normal; | |
543 | ||
f442d348 JR |
544 | /* Reverse the default color if requested. If background and |
545 | foreground are specified, then they have been reversed already. */ | |
e850a615 | 546 | if (face->tty_reverse_p) |
338b1bb2 JR |
547 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
548 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 549 | |
b510360c | 550 | /* Before the terminal is properly initialized, all colors map to 0. |
f442d348 | 551 | Don't try to resolve them. */ |
b510360c | 552 | if (NILP (Vtty_defined_color_alist)) |
f442d348 | 553 | return char_attr; |
8c2ac482 | 554 | |
30b7f3e6 JR |
555 | /* Colors should be in the range 0...15 unless they are one of |
556 | FACE_TTY_DEFAULT_COLOR, FACE_TTY_DEFAULT_FG_COLOR or | |
557 | FACE_TTY_DEFAULT_BG_COLOR. Other out of range colors are | |
558 | invalid, so it is better to use the default color if they ever | |
559 | get through to here. */ | |
560 | if (face->foreground >= 0 && face->foreground < 16) | |
f442d348 | 561 | char_attr = (char_attr & 0xfff0) + face->foreground; |
8c2ac482 | 562 | |
30b7f3e6 | 563 | if (face->background >= 0 && face->background < 16) |
f442d348 | 564 | char_attr = (char_attr & 0xff0f) + (face->background << 4); |
8c2ac482 | 565 | |
338b1bb2 | 566 | return char_attr; |
8c2ac482 | 567 | } |
8c2ac482 | 568 | |
6cdfb6e6 | 569 | void |
79af260e | 570 | initialize_w32_display (struct terminal *term) |
6cdfb6e6 RS |
571 | { |
572 | CONSOLE_SCREEN_BUFFER_INFO info; | |
177c0ea7 | 573 | |
9b8f0fc3 | 574 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f | 575 | term->cursor_to_hook = w32con_move_cursor; |
b56ceb92 JB |
576 | term->raw_cursor_to_hook = w32con_move_cursor; |
577 | term->clear_to_end_hook = w32con_clear_to_end; | |
578 | term->clear_frame_hook = w32con_clear_frame; | |
1c30a66f | 579 | term->clear_end_of_line_hook = w32con_clear_end_of_line; |
b56ceb92 JB |
580 | term->ins_del_lines_hook = w32con_ins_del_lines; |
581 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
582 | term->write_glyphs_hook = w32con_write_glyphs; | |
583 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
1c30a66f | 584 | term->ring_bell_hook = w32_sys_ring_bell; |
b56ceb92 | 585 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; |
1c30a66f | 586 | term->set_terminal_modes_hook = w32con_set_terminal_modes; |
b56ceb92 JB |
587 | term->set_terminal_window_hook = w32con_set_terminal_window; |
588 | term->update_begin_hook = w32con_update_begin; | |
1c30a66f JR |
589 | term->update_end_hook = w32con_update_end; |
590 | ||
591 | term->read_socket_hook = w32_console_read_socket; | |
592 | term->mouse_position_hook = w32_console_mouse_position; | |
3e671d90 | 593 | |
9b8f0fc3 JR |
594 | /* The following are not used on the console. */ |
595 | term->frame_rehighlight_hook = 0; | |
596 | term->frame_raise_lower_hook = 0; | |
597 | term->set_vertical_scroll_bar_hook = 0; | |
598 | term->condemn_scroll_bars_hook = 0; | |
599 | term->redeem_scroll_bar_hook = 0; | |
600 | term->judge_scroll_bars_hook = 0; | |
601 | term->frame_up_to_date_hook = 0; | |
3e671d90 | 602 | |
c1e06681 AI |
603 | /* Initialize interrupt_handle. */ |
604 | init_crit (); | |
605 | ||
3e671d90 GV |
606 | /* Remember original console settings. */ |
607 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
608 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
609 | ||
6cdfb6e6 | 610 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 611 | |
3e671d90 GV |
612 | #ifdef USE_SEPARATE_SCREEN |
613 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
614 | 0, NULL, | |
615 | CONSOLE_TEXTMODE_BUFFER, | |
616 | NULL); | |
617 | ||
618 | if (cur_screen == INVALID_HANDLE_VALUE) | |
619 | { | |
620 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
621 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
622 | fflush (stdout); | |
623 | exit (0); | |
624 | } | |
625 | #else | |
626 | cur_screen = prev_screen; | |
627 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
628 | #endif | |
629 | ||
191100f2 AI |
630 | /* Respect setting of LINES and COLUMNS environment variables. */ |
631 | { | |
ed3751c8 JB |
632 | char * lines = getenv ("LINES"); |
633 | char * columns = getenv ("COLUMNS"); | |
191100f2 AI |
634 | |
635 | if (lines != NULL && columns != NULL) | |
636 | { | |
637 | SMALL_RECT new_win_dims; | |
638 | COORD new_size; | |
639 | ||
640 | new_size.X = atoi (columns); | |
641 | new_size.Y = atoi (lines); | |
642 | ||
643 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
644 | ||
645 | /* Shrink the window first, so the buffer dimensions can be | |
646 | reduced if necessary. */ | |
647 | new_win_dims.Top = 0; | |
648 | new_win_dims.Left = 0; | |
649 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
650 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
651 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
652 | ||
653 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
654 | ||
655 | /* Set the window size to match the buffer dimension. */ | |
656 | new_win_dims.Top = 0; | |
657 | new_win_dims.Left = 0; | |
658 | new_win_dims.Bottom = new_size.Y - 1; | |
659 | new_win_dims.Right = new_size.X - 1; | |
660 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
661 | } | |
662 | } | |
663 | ||
6cdfb6e6 | 664 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 665 | |
338b1bb2 | 666 | char_attr_normal = info.wAttributes; |
938469f2 | 667 | |
3fb1d72b JR |
668 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
669 | is realistic. Old MS Telnet servers used to only fill out | |
670 | the dwSize portion, even modern one fill the whole struct with | |
671 | garbage when using non-MS telnet clients. */ | |
672 | if ((w32_use_full_screen_buffer | |
673 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
674 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
675 | || (!w32_use_full_screen_buffer | |
676 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
677 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
678 | || info.srWindow.Right - info.srWindow.Left < 40 | |
679 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
680 | { | |
681 | FRAME_LINES (SELECTED_FRAME ()) = 25; | |
682 | SET_FRAME_COLS (SELECTED_FRAME (), 80); | |
683 | } | |
684 | ||
685 | else if (w32_use_full_screen_buffer) | |
191100f2 | 686 | { |
90022f5a KS |
687 | FRAME_LINES (SELECTED_FRAME ()) = info.dwSize.Y; /* lines per page */ |
688 | SET_FRAME_COLS (SELECTED_FRAME (), info.dwSize.X); /* characters per line */ | |
191100f2 AI |
689 | } |
690 | else | |
691 | { | |
692 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
90022f5a | 693 | FRAME_LINES (SELECTED_FRAME ()) = 1 + info.srWindow.Bottom - |
177c0ea7 | 694 | info.srWindow.Top; |
191100f2 | 695 | /* Characters per line. Use buffer coords instead of buffer size. */ |
90022f5a | 696 | SET_FRAME_COLS (SELECTED_FRAME (), 1 + info.srWindow.Right - |
191100f2 AI |
697 | info.srWindow.Left); |
698 | } | |
65fb143c JR |
699 | |
700 | /* Setup w32_display_info structure for this frame. */ | |
701 | ||
702 | w32_initialize_display_info (build_string ("Console")); | |
703 | ||
6cdfb6e6 RS |
704 | } |
705 | ||
1c30a66f | 706 | |
6cdfb6e6 | 707 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
b0512a1d EZ |
708 | doc: /* Set screen foreground and background colors. |
709 | ||
710 | Arguments should be indices between 0 and 15, see w32console.el. */) | |
5842a27b | 711 | (Lisp_Object foreground, Lisp_Object background) |
6cdfb6e6 RS |
712 | { |
713 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
714 | |
715 | Frecenter (Qnil); | |
716 | return Qt; | |
717 | } | |
718 | ||
b0512a1d EZ |
719 | DEFUN ("get-screen-color", Fget_screen_color, Sget_screen_color, 0, 0, 0, |
720 | doc: /* Get color indices of the current screen foreground and background. | |
721 | ||
722 | The colors are returned as a list of 2 indices (FOREGROUND BACKGROUND). | |
723 | See w32console.el and `tty-defined-color-alist' for mapping of indices | |
724 | to colors. */) | |
725 | (void) | |
726 | { | |
727 | return Fcons (make_number (char_attr_normal & 0x000f), | |
728 | Fcons (make_number ((char_attr_normal >> 4) & 0x000f), Qnil)); | |
729 | } | |
730 | ||
6cdfb6e6 | 731 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, |
33f09670 | 732 | doc: /* Set cursor size. */) |
5842a27b | 733 | (Lisp_Object size) |
6cdfb6e6 RS |
734 | { |
735 | CONSOLE_CURSOR_INFO cci; | |
736 | cci.dwSize = XFASTINT (size); | |
737 | cci.bVisible = TRUE; | |
738 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 739 | |
6cdfb6e6 RS |
740 | return Qt; |
741 | } | |
742 | ||
0534d577 | 743 | void |
b56ceb92 | 744 | syms_of_ntterm (void) |
6cdfb6e6 | 745 | { |
191100f2 | 746 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
29208e82 | 747 | w32_use_full_screen_buffer, |
33f09670 | 748 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 749 | This is desirable when running Emacs over telnet. |
33f09670 | 750 | A value of nil means use the current console window dimensions; this |
e1dbe924 | 751 | may be preferable when working directly at the console with a large |
33f09670 | 752 | scroll-back buffer. */); |
3fb1d72b | 753 | w32_use_full_screen_buffer = 0; |
191100f2 | 754 | |
6cdfb6e6 | 755 | defsubr (&Sset_screen_color); |
b0512a1d | 756 | defsubr (&Sget_screen_color); |
6cdfb6e6 | 757 | defsubr (&Sset_cursor_size); |
0534d577 | 758 | defsubr (&Sset_message_beep); |
6cdfb6e6 | 759 | } |