Commit | Line | Data |
---|---|---|
b46a6a83 | 1 | /* Terminal hooks for GNU Emacs on the Microsoft Windows API. |
ab422c4d | 2 | Copyright (C) 1992, 1999, 2001-2013 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 RS |
28 | #include <windows.h> |
29 | ||
30 | #include "lisp.h" | |
83be827a | 31 | #include "character.h" |
8c2ac482 | 32 | #include "coding.h" |
6cdfb6e6 | 33 | #include "disptab.h" |
65fb143c | 34 | #include "frame.h" |
eb3f6f01 | 35 | #include "window.h" |
1c30a66f JR |
36 | #include "termhooks.h" |
37 | #include "termchar.h" | |
38 | #include "dispextern.h" | |
0fda9b75 | 39 | #include "w32term.h" |
501199a3 | 40 | #include "w32common.h" /* for os_subtype */ |
489f9371 | 41 | #include "w32inevt.h" |
6cdfb6e6 | 42 | |
0534d577 | 43 | /* from window.c */ |
b56ceb92 | 44 | extern Lisp_Object Frecenter (Lisp_Object); |
6cdfb6e6 | 45 | |
1c30a66f JR |
46 | static void w32con_move_cursor (struct frame *f, int row, int col); |
47 | static void w32con_clear_to_end (struct frame *f); | |
48 | static void w32con_clear_frame (struct frame *f); | |
49 | static void w32con_clear_end_of_line (struct frame *f, int); | |
50 | static void w32con_ins_del_lines (struct frame *f, int vpos, int n); | |
51 | static void w32con_insert_glyphs (struct frame *f, struct glyph *start, int len); | |
52 | static void w32con_write_glyphs (struct frame *f, struct glyph *string, int len); | |
53 | static void w32con_delete_glyphs (struct frame *f, int n); | |
54 | static void w32con_reset_terminal_modes (struct terminal *t); | |
55 | static void w32con_set_terminal_modes (struct terminal *t); | |
7cb010ed JR |
56 | static void w32con_update_begin (struct frame * f); |
57 | static void w32con_update_end (struct frame * f); | |
338b1bb2 | 58 | static WORD w32_face_attributes (struct frame *f, int face_id); |
6cdfb6e6 | 59 | |
338b1bb2 JR |
60 | static COORD cursor_coords; |
61 | static HANDLE prev_screen, cur_screen; | |
62 | static WORD char_attr_normal; | |
b56ceb92 | 63 | static DWORD prev_console_mode; |
6cdfb6e6 | 64 | |
28a16449 | 65 | static CONSOLE_CURSOR_INFO console_cursor_info; |
3e671d90 | 66 | #ifndef USE_SEPARATE_SCREEN |
338b1bb2 | 67 | static CONSOLE_CURSOR_INFO prev_console_cursor; |
3e671d90 GV |
68 | #endif |
69 | ||
338b1bb2 | 70 | HANDLE keyboard_handle; |
01bd1b0d | 71 | int w32_console_unicode_input; |
191100f2 | 72 | |
6cdfb6e6 RS |
73 | |
74 | /* Setting this as the ctrl handler prevents emacs from being killed when | |
40d578c9 RS |
75 | someone hits ^C in a 'suspended' session (child shell). |
76 | Also ignore Ctrl-Break signals. */ | |
77 | ||
6cdfb6e6 RS |
78 | BOOL |
79 | ctrl_c_handler (unsigned long type) | |
80 | { | |
3e671d90 GV |
81 | /* Only ignore "interrupt" events when running interactively. */ |
82 | return (!noninteractive | |
83 | && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT)); | |
6cdfb6e6 RS |
84 | } |
85 | ||
6cdfb6e6 | 86 | |
1c30a66f | 87 | /* Move the cursor to (ROW, COL) on FRAME. */ |
4fdbdbbd | 88 | static void |
1c30a66f | 89 | w32con_move_cursor (struct frame *f, int row, int col) |
6cdfb6e6 RS |
90 | { |
91 | cursor_coords.X = col; | |
92 | cursor_coords.Y = row; | |
177c0ea7 | 93 | |
1c30a66f JR |
94 | /* TODO: for multi-tty support, cur_screen should be replaced with a |
95 | reference to the terminal for this frame. */ | |
96 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
6cdfb6e6 RS |
97 | } |
98 | ||
28a16449 EZ |
99 | void |
100 | w32con_hide_cursor (void) | |
101 | { | |
102 | GetConsoleCursorInfo (cur_screen, &console_cursor_info); | |
103 | console_cursor_info.bVisible = FALSE; | |
104 | SetConsoleCursorInfo (cur_screen, &console_cursor_info); | |
105 | } | |
106 | ||
107 | void | |
108 | w32con_show_cursor (void) | |
109 | { | |
110 | GetConsoleCursorInfo (cur_screen, &console_cursor_info); | |
111 | console_cursor_info.bVisible = TRUE; | |
112 | SetConsoleCursorInfo (cur_screen, &console_cursor_info); | |
113 | } | |
114 | ||
6cdfb6e6 | 115 | /* Clear from cursor to end of screen. */ |
4fdbdbbd | 116 | static void |
1c30a66f | 117 | w32con_clear_to_end (struct frame *f) |
6cdfb6e6 | 118 | { |
1c30a66f JR |
119 | w32con_clear_end_of_line (f, FRAME_COLS (f) - 1); |
120 | w32con_ins_del_lines (f, cursor_coords.Y, FRAME_LINES (f) - cursor_coords.Y - 1); | |
6cdfb6e6 RS |
121 | } |
122 | ||
123 | /* Clear the frame. */ | |
7cb010ed | 124 | static void |
1c30a66f | 125 | w32con_clear_frame (struct frame *f) |
6cdfb6e6 | 126 | { |
b47278e1 | 127 | COORD dest; |
84f5bd81 AI |
128 | int n; |
129 | DWORD r; | |
a5404e3a AI |
130 | CONSOLE_SCREEN_BUFFER_INFO info; |
131 | ||
132 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 133 | |
a5404e3a | 134 | /* Remember that the screen buffer might be wider than the window. */ |
90022f5a | 135 | n = FRAME_LINES (f) * info.dwSize.X; |
b47278e1 GV |
136 | dest.X = dest.Y = 0; |
137 | ||
338b1bb2 | 138 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
139 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
140 | ||
1c30a66f | 141 | w32con_move_cursor (f, 0, 0); |
6cdfb6e6 RS |
142 | } |
143 | ||
144 | ||
8c2ac482 | 145 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
146 | static BOOL ceol_initialized = FALSE; |
147 | ||
148 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
7cb010ed | 149 | static void |
1c30a66f | 150 | w32con_clear_end_of_line (struct frame *f, int end) |
6cdfb6e6 RS |
151 | { |
152 | if (!ceol_initialized) | |
153 | { | |
154 | int i; | |
155 | for (i = 0; i < 256; i++) | |
156 | { | |
8c2ac482 | 157 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
158 | } |
159 | ceol_initialized = TRUE; | |
160 | } | |
1c30a66f | 161 | w32con_write_glyphs (f, glyph_base, end - cursor_coords.X); /* fencepost ? */ |
6cdfb6e6 RS |
162 | } |
163 | ||
164 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
7cb010ed | 165 | static void |
1c30a66f | 166 | w32con_ins_del_lines (struct frame *f, int vpos, int n) |
6cdfb6e6 | 167 | { |
e850a615 | 168 | int i, nb; |
6cdfb6e6 | 169 | SMALL_RECT scroll; |
09320d30 | 170 | SMALL_RECT clip; |
6cdfb6e6 RS |
171 | COORD dest; |
172 | CHAR_INFO fill; | |
6cdfb6e6 RS |
173 | |
174 | if (n < 0) | |
175 | { | |
176 | scroll.Top = vpos - n; | |
90022f5a | 177 | scroll.Bottom = FRAME_LINES (f); |
6cdfb6e6 RS |
178 | dest.Y = vpos; |
179 | } | |
180 | else | |
181 | { | |
182 | scroll.Top = vpos; | |
90022f5a | 183 | scroll.Bottom = FRAME_LINES (f) - n; |
6cdfb6e6 RS |
184 | dest.Y = vpos + n; |
185 | } | |
09320d30 JR |
186 | clip.Top = clip.Left = scroll.Left = 0; |
187 | clip.Right = scroll.Right = FRAME_COLS (f); | |
188 | clip.Bottom = FRAME_LINES (f); | |
177c0ea7 | 189 | |
6cdfb6e6 | 190 | dest.X = 0; |
177c0ea7 | 191 | |
6cdfb6e6 | 192 | fill.Char.AsciiChar = 0x20; |
338b1bb2 | 193 | fill.Attributes = char_attr_normal; |
177c0ea7 | 194 | |
09320d30 | 195 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 | 196 | |
fbd6baed | 197 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
198 | region looks like abc and we scroll c to a and fill with d we get |
199 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
200 | Emacs expects cdd consistently... So we have to deal with that | |
201 | here... (this also occurs scrolling the same way in the other | |
202 | direction. */ | |
203 | ||
204 | if (n > 0) | |
205 | { | |
206 | if (scroll.Bottom < dest.Y) | |
207 | { | |
208 | for (i = scroll.Bottom; i < dest.Y; 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 | } | |
215 | else | |
216 | { | |
217 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
218 | ||
219 | if (nb < scroll.Top) | |
177c0ea7 | 220 | { |
6cdfb6e6 RS |
221 | for (i = nb; i < scroll.Top; i++) |
222 | { | |
1c30a66f JR |
223 | w32con_move_cursor (f, i, 0); |
224 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
225 | } |
226 | } | |
227 | } | |
177c0ea7 | 228 | |
6cdfb6e6 RS |
229 | cursor_coords.X = 0; |
230 | cursor_coords.Y = vpos; | |
6cdfb6e6 RS |
231 | } |
232 | ||
233 | #undef LEFT | |
234 | #undef RIGHT | |
235 | #define LEFT 1 | |
236 | #define RIGHT 0 | |
237 | ||
4fdbdbbd | 238 | static void |
1c30a66f | 239 | scroll_line (struct frame *f, int dist, int direction) |
6cdfb6e6 RS |
240 | { |
241 | /* The idea here is to implement a horizontal scroll in one line to | |
242 | implement delete and half of insert. */ | |
09320d30 | 243 | SMALL_RECT scroll, clip; |
6cdfb6e6 RS |
244 | COORD dest; |
245 | CHAR_INFO fill; | |
177c0ea7 | 246 | |
09320d30 JR |
247 | clip.Top = scroll.Top = clip.Bottom = scroll.Bottom = cursor_coords.Y; |
248 | clip.Left = 0; | |
249 | clip.Right = FRAME_COLS (f); | |
177c0ea7 | 250 | |
6cdfb6e6 RS |
251 | if (direction == LEFT) |
252 | { | |
253 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 254 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
255 | } |
256 | else | |
257 | { | |
258 | scroll.Left = cursor_coords.X; | |
90022f5a | 259 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 260 | } |
177c0ea7 | 261 | |
6cdfb6e6 RS |
262 | dest.X = cursor_coords.X; |
263 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 264 | |
6cdfb6e6 | 265 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
266 | fill.Attributes = char_attr_normal; |
267 | ||
09320d30 | 268 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 RS |
269 | } |
270 | ||
271 | ||
272 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 273 | static void |
b56ceb92 JB |
274 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, |
275 | register int len) | |
6cdfb6e6 | 276 | { |
1c30a66f | 277 | scroll_line (f, len, RIGHT); |
6cdfb6e6 RS |
278 | |
279 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
280 | if (start) | |
281 | { | |
282 | /* Print the first len characters of start, cursor_coords.X adjusted | |
283 | by write_glyphs. */ | |
177c0ea7 | 284 | |
1c30a66f | 285 | w32con_write_glyphs (f, start, len); |
6cdfb6e6 RS |
286 | } |
287 | else | |
288 | { | |
1c30a66f | 289 | w32con_clear_end_of_line (f, cursor_coords.X + len); |
6cdfb6e6 RS |
290 | } |
291 | } | |
292 | ||
7cb010ed | 293 | static void |
1c30a66f JR |
294 | w32con_write_glyphs (struct frame *f, register struct glyph *string, |
295 | register int len) | |
6cdfb6e6 | 296 | { |
84f5bd81 | 297 | DWORD r; |
338b1bb2 | 298 | WORD char_attr; |
aee31bf1 KH |
299 | unsigned char *conversion_buffer; |
300 | struct coding_system *coding; | |
338b1bb2 JR |
301 | |
302 | if (len <= 0) | |
303 | return; | |
b47278e1 | 304 | |
aee31bf1 KH |
305 | /* If terminal_coding does any conversion, use it, otherwise use |
306 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
307 | because it always return 1 if the member src_multibyte is 1. */ | |
1c30a66f JR |
308 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
309 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
8c2ac482 JR |
310 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
311 | the tail. */ | |
1c30a66f | 312 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
6cdfb6e6 | 313 | |
8c2ac482 | 314 | while (len > 0) |
6cdfb6e6 | 315 | { |
8c2ac482 JR |
316 | /* Identify a run of glyphs with the same face. */ |
317 | int face_id = string->face_id; | |
318 | int n; | |
177c0ea7 | 319 | |
8c2ac482 JR |
320 | for (n = 1; n < len; ++n) |
321 | if (string[n].face_id != face_id) | |
322 | break; | |
323 | ||
324 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 325 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 | 326 | |
aee31bf1 KH |
327 | if (n == len) |
328 | /* This is the last run. */ | |
329 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
330 | conversion_buffer = encode_terminal_code (string, n, coding); | |
331 | if (coding->produced > 0) | |
332 | { | |
333 | /* Set the attribute for these characters. */ | |
334 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
335 | coding->produced, cursor_coords, | |
336 | &r)) | |
8c2ac482 | 337 | { |
aee31bf1 KH |
338 | printf ("Failed writing console attributes: %d\n", |
339 | GetLastError ()); | |
340 | fflush (stdout); | |
341 | } | |
342 | ||
343 | /* Write the characters. */ | |
56cc8ca9 | 344 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, |
aee31bf1 KH |
345 | coding->produced, cursor_coords, |
346 | &r)) | |
347 | { | |
348 | printf ("Failed writing console characters: %d\n", | |
349 | GetLastError ()); | |
350 | fflush (stdout); | |
351 | } | |
352 | ||
353 | cursor_coords.X += coding->produced; | |
1c30a66f | 354 | w32con_move_cursor (f, cursor_coords.Y, cursor_coords.X); |
aee31bf1 KH |
355 | } |
356 | len -= n; | |
357 | string += n; | |
6cdfb6e6 | 358 | } |
6cdfb6e6 RS |
359 | } |
360 | ||
eb3f6f01 EZ |
361 | /* Used for mouse highlight. */ |
362 | static void | |
363 | w32con_write_glyphs_with_face (struct frame *f, register int x, register int y, | |
364 | register struct glyph *string, register int len, | |
365 | register int face_id) | |
366 | { | |
367 | unsigned char *conversion_buffer; | |
368 | struct coding_system *coding; | |
369 | ||
370 | if (len <= 0) | |
371 | return; | |
372 | ||
373 | /* If terminal_coding does any conversion, use it, otherwise use | |
374 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
375 | because it always return 1 if the member src_multibyte is 1. */ | |
376 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK | |
377 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
378 | /* We are going to write the entire block of glyphs in one go, as | |
379 | they all have the same face. So this _is_ the last block. */ | |
380 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
381 | ||
382 | conversion_buffer = encode_terminal_code (string, len, coding); | |
383 | if (coding->produced > 0) | |
384 | { | |
385 | DWORD filled, written; | |
386 | /* Compute the character attributes corresponding to the face. */ | |
387 | DWORD char_attr = w32_face_attributes (f, face_id); | |
388 | COORD start_coords; | |
389 | ||
390 | start_coords.X = x; | |
391 | start_coords.Y = y; | |
392 | /* Set the attribute for these characters. */ | |
393 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
394 | coding->produced, start_coords, | |
395 | &filled)) | |
396 | DebPrint (("Failed writing console attributes: %d\n", GetLastError ())); | |
397 | else | |
398 | { | |
399 | /* Write the characters. */ | |
400 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, | |
401 | filled, start_coords, &written)) | |
402 | DebPrint (("Failed writing console characters: %d\n", | |
403 | GetLastError ())); | |
404 | } | |
405 | } | |
406 | } | |
407 | ||
408 | /* Implementation of draw_row_with_mouse_face for W32 console. */ | |
409 | void | |
410 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
411 | int start_hpos, int end_hpos, | |
412 | enum draw_glyphs_face draw) | |
413 | { | |
414 | int nglyphs = end_hpos - start_hpos; | |
415 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
416 | struct tty_display_info *tty = FRAME_TTY (f); | |
417 | int face_id = tty->mouse_highlight.mouse_face_face_id; | |
418 | int pos_x, pos_y; | |
419 | ||
420 | if (end_hpos >= row->used[TEXT_AREA]) | |
421 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
422 | ||
423 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
424 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
425 | ||
426 | if (draw == DRAW_MOUSE_FACE) | |
427 | w32con_write_glyphs_with_face (f, pos_x, pos_y, | |
428 | row->glyphs[TEXT_AREA] + start_hpos, | |
429 | nglyphs, face_id); | |
430 | else if (draw == DRAW_NORMAL_TEXT) | |
431 | { | |
432 | COORD save_coords = cursor_coords; | |
433 | ||
434 | w32con_move_cursor (f, pos_y, pos_x); | |
435 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
436 | w32con_move_cursor (f, save_coords.Y, save_coords.X); | |
437 | } | |
438 | } | |
8c2ac482 | 439 | |
7cb010ed | 440 | static void |
1c30a66f | 441 | w32con_delete_glyphs (struct frame *f, int n) |
6cdfb6e6 | 442 | { |
177c0ea7 JB |
443 | /* delete chars means scroll chars from cursor_coords.X + n to |
444 | cursor_coords.X, anything beyond the edge of the screen should | |
6cdfb6e6 RS |
445 | come out empty... */ |
446 | ||
1c30a66f | 447 | scroll_line (f, n, LEFT); |
6cdfb6e6 RS |
448 | } |
449 | ||
177c0ea7 | 450 | |
7cb010ed | 451 | static void |
1c30a66f | 452 | w32con_reset_terminal_modes (struct terminal *t) |
6cdfb6e6 | 453 | { |
09320d30 JR |
454 | COORD dest; |
455 | CONSOLE_SCREEN_BUFFER_INFO info; | |
456 | int n; | |
457 | DWORD r; | |
458 | ||
459 | /* Clear the complete screen buffer. This is required because Emacs | |
460 | sets the cursor position to the top of the buffer, but there might | |
461 | be other output below the bottom of the Emacs frame if the screen buffer | |
462 | is larger than the window size. */ | |
463 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
464 | dest.X = 0; | |
465 | dest.Y = 0; | |
466 | n = info.dwSize.X * info.dwSize.Y; | |
467 | ||
468 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); | |
469 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
470 | /* Now that the screen is clear, put the cursor at the top. */ | |
471 | SetConsoleCursorPosition (cur_screen, dest); | |
b56ceb92 | 472 | |
3e671d90 | 473 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 474 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
475 | #else |
476 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
477 | #endif | |
09320d30 | 478 | |
3e671d90 | 479 | SetConsoleMode (keyboard_handle, prev_console_mode); |
6cdfb6e6 RS |
480 | } |
481 | ||
7cb010ed | 482 | static void |
1c30a66f | 483 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
484 | { |
485 | CONSOLE_CURSOR_INFO cci; | |
486 | ||
b46a6a83 | 487 | /* make cursor big and visible (100 on Windows 95 makes it disappear) */ |
3e671d90 GV |
488 | cci.dwSize = 99; |
489 | cci.bVisible = TRUE; | |
490 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 491 | |
3e671d90 | 492 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 493 | |
3e671d90 | 494 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 495 | |
3e671d90 GV |
496 | /* Initialize input mode: interrupt_input off, no flow control, allow |
497 | 8 bit character input, standard quit char. */ | |
498 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
499 | } |
500 | ||
501 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
502 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 503 | |
6cdfb6e6 | 504 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
505 | static void |
506 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
507 | { |
508 | } | |
509 | ||
7cb010ed JR |
510 | static void |
511 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
512 | { |
513 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
514 | } | |
515 | ||
91eac4bb JB |
516 | /*********************************************************************** |
517 | stubs from termcap.c | |
518 | ***********************************************************************/ | |
519 | ||
520 | void | |
ed3751c8 | 521 | sys_tputs (char *str, int nlines, int (*outfun) (int)) |
91eac4bb JB |
522 | { |
523 | } | |
524 | ||
525 | char * | |
526 | sys_tgetstr (char *cap, char **area) | |
527 | { | |
528 | return NULL; | |
529 | } | |
530 | ||
531 | ||
532 | /*********************************************************************** | |
533 | stubs from cm.c | |
534 | ***********************************************************************/ | |
535 | ||
536 | struct tty_display_info *current_tty = NULL; | |
537 | int cost = 0; | |
538 | ||
539 | int | |
b56ceb92 | 540 | evalcost (int c) |
91eac4bb JB |
541 | { |
542 | return c; | |
543 | } | |
544 | ||
545 | int | |
b56ceb92 | 546 | cmputc (int c) |
91eac4bb JB |
547 | { |
548 | return c; | |
549 | } | |
550 | ||
551 | void | |
552 | cmcheckmagic (struct tty_display_info *tty) | |
553 | { | |
554 | } | |
555 | ||
556 | void | |
557 | cmcostinit (struct tty_display_info *tty) | |
558 | { | |
559 | } | |
560 | ||
561 | void | |
562 | cmgoto (struct tty_display_info *tty, int row, int col) | |
563 | { | |
564 | } | |
565 | ||
566 | void | |
567 | Wcm_clear (struct tty_display_info *tty) | |
568 | { | |
569 | } | |
570 | ||
571 | ||
b5e9cbb6 | 572 | /* Report the current cursor position. The following two functions |
e7873136 EZ |
573 | are used in term.c's tty menu code, so they are not really |
574 | "stubs". */ | |
b5e9cbb6 | 575 | int |
e7873136 | 576 | cursorX (struct tty_display_info *tty) |
b5e9cbb6 EZ |
577 | { |
578 | return cursor_coords.X; | |
579 | } | |
580 | ||
581 | int | |
e7873136 | 582 | cursorY (struct tty_display_info *tty) |
b5e9cbb6 EZ |
583 | { |
584 | return cursor_coords.Y; | |
585 | } | |
586 | ||
8c2ac482 JR |
587 | /*********************************************************************** |
588 | Faces | |
589 | ***********************************************************************/ | |
590 | ||
591 | ||
592 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
593 | ||
338b1bb2 | 594 | static WORD |
b56ceb92 | 595 | w32_face_attributes (struct frame *f, int face_id) |
8c2ac482 | 596 | { |
338b1bb2 | 597 | WORD char_attr; |
8c2ac482 JR |
598 | struct face *face = FACE_FROM_ID (f, face_id); |
599 | ||
a54e2c05 | 600 | eassert (face != NULL); |
8c2ac482 JR |
601 | |
602 | char_attr = char_attr_normal; | |
603 | ||
f442d348 JR |
604 | /* Reverse the default color if requested. If background and |
605 | foreground are specified, then they have been reversed already. */ | |
e850a615 | 606 | if (face->tty_reverse_p) |
338b1bb2 JR |
607 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
608 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 609 | |
b510360c | 610 | /* Before the terminal is properly initialized, all colors map to 0. |
f442d348 | 611 | Don't try to resolve them. */ |
b510360c | 612 | if (NILP (Vtty_defined_color_alist)) |
f442d348 | 613 | return char_attr; |
8c2ac482 | 614 | |
30b7f3e6 JR |
615 | /* Colors should be in the range 0...15 unless they are one of |
616 | FACE_TTY_DEFAULT_COLOR, FACE_TTY_DEFAULT_FG_COLOR or | |
617 | FACE_TTY_DEFAULT_BG_COLOR. Other out of range colors are | |
618 | invalid, so it is better to use the default color if they ever | |
619 | get through to here. */ | |
620 | if (face->foreground >= 0 && face->foreground < 16) | |
f442d348 | 621 | char_attr = (char_attr & 0xfff0) + face->foreground; |
8c2ac482 | 622 | |
30b7f3e6 | 623 | if (face->background >= 0 && face->background < 16) |
f442d348 | 624 | char_attr = (char_attr & 0xff0f) + (face->background << 4); |
8c2ac482 | 625 | |
338b1bb2 | 626 | return char_attr; |
8c2ac482 | 627 | } |
8c2ac482 | 628 | |
6cdfb6e6 | 629 | void |
9337e206 | 630 | initialize_w32_display (struct terminal *term, int *width, int *height) |
6cdfb6e6 RS |
631 | { |
632 | CONSOLE_SCREEN_BUFFER_INFO info; | |
177c0ea7 | 633 | |
9b8f0fc3 | 634 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f | 635 | term->cursor_to_hook = w32con_move_cursor; |
b56ceb92 JB |
636 | term->raw_cursor_to_hook = w32con_move_cursor; |
637 | term->clear_to_end_hook = w32con_clear_to_end; | |
638 | term->clear_frame_hook = w32con_clear_frame; | |
1c30a66f | 639 | term->clear_end_of_line_hook = w32con_clear_end_of_line; |
b56ceb92 JB |
640 | term->ins_del_lines_hook = w32con_ins_del_lines; |
641 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
642 | term->write_glyphs_hook = w32con_write_glyphs; | |
643 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
1c30a66f | 644 | term->ring_bell_hook = w32_sys_ring_bell; |
b56ceb92 | 645 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; |
1c30a66f | 646 | term->set_terminal_modes_hook = w32con_set_terminal_modes; |
0c7f856e | 647 | term->set_terminal_window_hook = NULL; |
b56ceb92 | 648 | term->update_begin_hook = w32con_update_begin; |
1c30a66f JR |
649 | term->update_end_hook = w32con_update_end; |
650 | ||
651 | term->read_socket_hook = w32_console_read_socket; | |
652 | term->mouse_position_hook = w32_console_mouse_position; | |
3e671d90 | 653 | |
9b8f0fc3 JR |
654 | /* The following are not used on the console. */ |
655 | term->frame_rehighlight_hook = 0; | |
656 | term->frame_raise_lower_hook = 0; | |
657 | term->set_vertical_scroll_bar_hook = 0; | |
658 | term->condemn_scroll_bars_hook = 0; | |
659 | term->redeem_scroll_bar_hook = 0; | |
660 | term->judge_scroll_bars_hook = 0; | |
661 | term->frame_up_to_date_hook = 0; | |
3e671d90 | 662 | |
eb3f6f01 | 663 | /* Initialize the mouse-highlight data. */ |
9fed9729 | 664 | reset_mouse_highlight (&term->display_info.tty->mouse_highlight); |
eb3f6f01 | 665 | |
c1e06681 AI |
666 | /* Initialize interrupt_handle. */ |
667 | init_crit (); | |
668 | ||
3e671d90 GV |
669 | /* Remember original console settings. */ |
670 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
671 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
672 | ||
6cdfb6e6 | 673 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 674 | |
3e671d90 GV |
675 | #ifdef USE_SEPARATE_SCREEN |
676 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
677 | 0, NULL, | |
678 | CONSOLE_TEXTMODE_BUFFER, | |
679 | NULL); | |
680 | ||
681 | if (cur_screen == INVALID_HANDLE_VALUE) | |
682 | { | |
683 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
684 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
685 | fflush (stdout); | |
686 | exit (0); | |
687 | } | |
688 | #else | |
689 | cur_screen = prev_screen; | |
690 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
691 | #endif | |
692 | ||
191100f2 AI |
693 | /* Respect setting of LINES and COLUMNS environment variables. */ |
694 | { | |
ed3751c8 JB |
695 | char * lines = getenv ("LINES"); |
696 | char * columns = getenv ("COLUMNS"); | |
191100f2 AI |
697 | |
698 | if (lines != NULL && columns != NULL) | |
699 | { | |
700 | SMALL_RECT new_win_dims; | |
701 | COORD new_size; | |
702 | ||
703 | new_size.X = atoi (columns); | |
704 | new_size.Y = atoi (lines); | |
705 | ||
706 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
707 | ||
708 | /* Shrink the window first, so the buffer dimensions can be | |
709 | reduced if necessary. */ | |
710 | new_win_dims.Top = 0; | |
711 | new_win_dims.Left = 0; | |
712 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
713 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
714 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
715 | ||
716 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
717 | ||
718 | /* Set the window size to match the buffer dimension. */ | |
719 | new_win_dims.Top = 0; | |
720 | new_win_dims.Left = 0; | |
721 | new_win_dims.Bottom = new_size.Y - 1; | |
722 | new_win_dims.Right = new_size.X - 1; | |
723 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
724 | } | |
725 | } | |
726 | ||
6cdfb6e6 | 727 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 728 | |
338b1bb2 | 729 | char_attr_normal = info.wAttributes; |
938469f2 | 730 | |
3fb1d72b JR |
731 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
732 | is realistic. Old MS Telnet servers used to only fill out | |
733 | the dwSize portion, even modern one fill the whole struct with | |
734 | garbage when using non-MS telnet clients. */ | |
735 | if ((w32_use_full_screen_buffer | |
736 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
737 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
738 | || (!w32_use_full_screen_buffer | |
739 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
740 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
741 | || info.srWindow.Right - info.srWindow.Left < 40 | |
742 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
743 | { | |
9337e206 EZ |
744 | *height = 25; |
745 | *width = 80; | |
3fb1d72b JR |
746 | } |
747 | ||
748 | else if (w32_use_full_screen_buffer) | |
191100f2 | 749 | { |
9337e206 EZ |
750 | *height = info.dwSize.Y; /* lines per page */ |
751 | *width = info.dwSize.X; /* characters per line */ | |
191100f2 AI |
752 | } |
753 | else | |
754 | { | |
755 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
9337e206 | 756 | *height = 1 + info.srWindow.Bottom - info.srWindow.Top; |
191100f2 | 757 | /* Characters per line. Use buffer coords instead of buffer size. */ |
9337e206 | 758 | *width = 1 + info.srWindow.Right - info.srWindow.Left; |
191100f2 | 759 | } |
65fb143c | 760 | |
01bd1b0d EZ |
761 | if (os_subtype == OS_NT) |
762 | w32_console_unicode_input = 1; | |
763 | else | |
764 | w32_console_unicode_input = 0; | |
765 | ||
977c6479 EZ |
766 | /* This is needed by w32notify.c:send_notifications. */ |
767 | dwMainThreadId = GetCurrentThreadId (); | |
768 | ||
65fb143c JR |
769 | /* Setup w32_display_info structure for this frame. */ |
770 | ||
771 | w32_initialize_display_info (build_string ("Console")); | |
772 | ||
6cdfb6e6 RS |
773 | } |
774 | ||
1c30a66f | 775 | |
6cdfb6e6 | 776 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
b0512a1d EZ |
777 | doc: /* Set screen foreground and background colors. |
778 | ||
779 | Arguments should be indices between 0 and 15, see w32console.el. */) | |
5842a27b | 780 | (Lisp_Object foreground, Lisp_Object background) |
6cdfb6e6 RS |
781 | { |
782 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
783 | |
784 | Frecenter (Qnil); | |
785 | return Qt; | |
786 | } | |
787 | ||
b0512a1d EZ |
788 | DEFUN ("get-screen-color", Fget_screen_color, Sget_screen_color, 0, 0, 0, |
789 | doc: /* Get color indices of the current screen foreground and background. | |
790 | ||
791 | The colors are returned as a list of 2 indices (FOREGROUND BACKGROUND). | |
792 | See w32console.el and `tty-defined-color-alist' for mapping of indices | |
793 | to colors. */) | |
794 | (void) | |
795 | { | |
796 | return Fcons (make_number (char_attr_normal & 0x000f), | |
797 | Fcons (make_number ((char_attr_normal >> 4) & 0x000f), Qnil)); | |
798 | } | |
799 | ||
6cdfb6e6 | 800 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, |
33f09670 | 801 | doc: /* Set cursor size. */) |
5842a27b | 802 | (Lisp_Object size) |
6cdfb6e6 RS |
803 | { |
804 | CONSOLE_CURSOR_INFO cci; | |
805 | cci.dwSize = XFASTINT (size); | |
806 | cci.bVisible = TRUE; | |
807 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 808 | |
6cdfb6e6 RS |
809 | return Qt; |
810 | } | |
811 | ||
0534d577 | 812 | void |
b56ceb92 | 813 | syms_of_ntterm (void) |
6cdfb6e6 | 814 | { |
191100f2 | 815 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
29208e82 | 816 | w32_use_full_screen_buffer, |
33f09670 | 817 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 818 | This is desirable when running Emacs over telnet. |
33f09670 | 819 | A value of nil means use the current console window dimensions; this |
e1dbe924 | 820 | may be preferable when working directly at the console with a large |
33f09670 | 821 | scroll-back buffer. */); |
3fb1d72b | 822 | w32_use_full_screen_buffer = 0; |
191100f2 | 823 | |
6cdfb6e6 | 824 | defsubr (&Sset_screen_color); |
b0512a1d | 825 | defsubr (&Sget_screen_color); |
6cdfb6e6 RS |
826 | defsubr (&Sset_cursor_size); |
827 | } |