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 | |
3e671d90 | 65 | #ifndef USE_SEPARATE_SCREEN |
338b1bb2 | 66 | static CONSOLE_CURSOR_INFO prev_console_cursor; |
3e671d90 GV |
67 | #endif |
68 | ||
338b1bb2 | 69 | HANDLE keyboard_handle; |
01bd1b0d | 70 | int w32_console_unicode_input; |
191100f2 | 71 | |
6cdfb6e6 RS |
72 | |
73 | /* Setting this as the ctrl handler prevents emacs from being killed when | |
40d578c9 RS |
74 | someone hits ^C in a 'suspended' session (child shell). |
75 | Also ignore Ctrl-Break signals. */ | |
76 | ||
6cdfb6e6 RS |
77 | BOOL |
78 | ctrl_c_handler (unsigned long type) | |
79 | { | |
3e671d90 GV |
80 | /* Only ignore "interrupt" events when running interactively. */ |
81 | return (!noninteractive | |
82 | && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT)); | |
6cdfb6e6 RS |
83 | } |
84 | ||
6cdfb6e6 | 85 | |
1c30a66f | 86 | /* Move the cursor to (ROW, COL) on FRAME. */ |
4fdbdbbd | 87 | static void |
1c30a66f | 88 | w32con_move_cursor (struct frame *f, int row, int col) |
6cdfb6e6 RS |
89 | { |
90 | cursor_coords.X = col; | |
91 | cursor_coords.Y = row; | |
177c0ea7 | 92 | |
1c30a66f JR |
93 | /* TODO: for multi-tty support, cur_screen should be replaced with a |
94 | reference to the terminal for this frame. */ | |
95 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
6cdfb6e6 RS |
96 | } |
97 | ||
98 | /* Clear from cursor to end of screen. */ | |
4fdbdbbd | 99 | static void |
1c30a66f | 100 | w32con_clear_to_end (struct frame *f) |
6cdfb6e6 | 101 | { |
1c30a66f JR |
102 | w32con_clear_end_of_line (f, FRAME_COLS (f) - 1); |
103 | w32con_ins_del_lines (f, cursor_coords.Y, FRAME_LINES (f) - cursor_coords.Y - 1); | |
6cdfb6e6 RS |
104 | } |
105 | ||
106 | /* Clear the frame. */ | |
7cb010ed | 107 | static void |
1c30a66f | 108 | w32con_clear_frame (struct frame *f) |
6cdfb6e6 | 109 | { |
b47278e1 | 110 | COORD dest; |
84f5bd81 AI |
111 | int n; |
112 | DWORD r; | |
a5404e3a AI |
113 | CONSOLE_SCREEN_BUFFER_INFO info; |
114 | ||
115 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 116 | |
a5404e3a | 117 | /* Remember that the screen buffer might be wider than the window. */ |
90022f5a | 118 | n = FRAME_LINES (f) * info.dwSize.X; |
b47278e1 GV |
119 | dest.X = dest.Y = 0; |
120 | ||
338b1bb2 | 121 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
122 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
123 | ||
1c30a66f | 124 | w32con_move_cursor (f, 0, 0); |
6cdfb6e6 RS |
125 | } |
126 | ||
127 | ||
8c2ac482 | 128 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
129 | static BOOL ceol_initialized = FALSE; |
130 | ||
131 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
7cb010ed | 132 | static void |
1c30a66f | 133 | w32con_clear_end_of_line (struct frame *f, int end) |
6cdfb6e6 RS |
134 | { |
135 | if (!ceol_initialized) | |
136 | { | |
137 | int i; | |
138 | for (i = 0; i < 256; i++) | |
139 | { | |
8c2ac482 | 140 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
141 | } |
142 | ceol_initialized = TRUE; | |
143 | } | |
1c30a66f | 144 | w32con_write_glyphs (f, glyph_base, end - cursor_coords.X); /* fencepost ? */ |
6cdfb6e6 RS |
145 | } |
146 | ||
147 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
7cb010ed | 148 | static void |
1c30a66f | 149 | w32con_ins_del_lines (struct frame *f, int vpos, int n) |
6cdfb6e6 | 150 | { |
e850a615 | 151 | int i, nb; |
6cdfb6e6 | 152 | SMALL_RECT scroll; |
09320d30 | 153 | SMALL_RECT clip; |
6cdfb6e6 RS |
154 | COORD dest; |
155 | CHAR_INFO fill; | |
6cdfb6e6 RS |
156 | |
157 | if (n < 0) | |
158 | { | |
159 | scroll.Top = vpos - n; | |
90022f5a | 160 | scroll.Bottom = FRAME_LINES (f); |
6cdfb6e6 RS |
161 | dest.Y = vpos; |
162 | } | |
163 | else | |
164 | { | |
165 | scroll.Top = vpos; | |
90022f5a | 166 | scroll.Bottom = FRAME_LINES (f) - n; |
6cdfb6e6 RS |
167 | dest.Y = vpos + n; |
168 | } | |
09320d30 JR |
169 | clip.Top = clip.Left = scroll.Left = 0; |
170 | clip.Right = scroll.Right = FRAME_COLS (f); | |
171 | clip.Bottom = FRAME_LINES (f); | |
177c0ea7 | 172 | |
6cdfb6e6 | 173 | dest.X = 0; |
177c0ea7 | 174 | |
6cdfb6e6 | 175 | fill.Char.AsciiChar = 0x20; |
338b1bb2 | 176 | fill.Attributes = char_attr_normal; |
177c0ea7 | 177 | |
09320d30 | 178 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 | 179 | |
fbd6baed | 180 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
181 | region looks like abc and we scroll c to a and fill with d we get |
182 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
183 | Emacs expects cdd consistently... So we have to deal with that | |
184 | here... (this also occurs scrolling the same way in the other | |
185 | direction. */ | |
186 | ||
187 | if (n > 0) | |
188 | { | |
189 | if (scroll.Bottom < dest.Y) | |
190 | { | |
191 | for (i = scroll.Bottom; i < dest.Y; i++) | |
192 | { | |
1c30a66f JR |
193 | w32con_move_cursor (f, i, 0); |
194 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
195 | } |
196 | } | |
197 | } | |
198 | else | |
199 | { | |
200 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
201 | ||
202 | if (nb < scroll.Top) | |
177c0ea7 | 203 | { |
6cdfb6e6 RS |
204 | for (i = nb; i < scroll.Top; i++) |
205 | { | |
1c30a66f JR |
206 | w32con_move_cursor (f, i, 0); |
207 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
208 | } |
209 | } | |
210 | } | |
177c0ea7 | 211 | |
6cdfb6e6 RS |
212 | cursor_coords.X = 0; |
213 | cursor_coords.Y = vpos; | |
6cdfb6e6 RS |
214 | } |
215 | ||
216 | #undef LEFT | |
217 | #undef RIGHT | |
218 | #define LEFT 1 | |
219 | #define RIGHT 0 | |
220 | ||
4fdbdbbd | 221 | static void |
1c30a66f | 222 | scroll_line (struct frame *f, int dist, int direction) |
6cdfb6e6 RS |
223 | { |
224 | /* The idea here is to implement a horizontal scroll in one line to | |
225 | implement delete and half of insert. */ | |
09320d30 | 226 | SMALL_RECT scroll, clip; |
6cdfb6e6 RS |
227 | COORD dest; |
228 | CHAR_INFO fill; | |
177c0ea7 | 229 | |
09320d30 JR |
230 | clip.Top = scroll.Top = clip.Bottom = scroll.Bottom = cursor_coords.Y; |
231 | clip.Left = 0; | |
232 | clip.Right = FRAME_COLS (f); | |
177c0ea7 | 233 | |
6cdfb6e6 RS |
234 | if (direction == LEFT) |
235 | { | |
236 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 237 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
238 | } |
239 | else | |
240 | { | |
241 | scroll.Left = cursor_coords.X; | |
90022f5a | 242 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 243 | } |
177c0ea7 | 244 | |
6cdfb6e6 RS |
245 | dest.X = cursor_coords.X; |
246 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 247 | |
6cdfb6e6 | 248 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
249 | fill.Attributes = char_attr_normal; |
250 | ||
09320d30 | 251 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 RS |
252 | } |
253 | ||
254 | ||
255 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 256 | static void |
b56ceb92 JB |
257 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, |
258 | register int len) | |
6cdfb6e6 | 259 | { |
1c30a66f | 260 | scroll_line (f, len, RIGHT); |
6cdfb6e6 RS |
261 | |
262 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
263 | if (start) | |
264 | { | |
265 | /* Print the first len characters of start, cursor_coords.X adjusted | |
266 | by write_glyphs. */ | |
177c0ea7 | 267 | |
1c30a66f | 268 | w32con_write_glyphs (f, start, len); |
6cdfb6e6 RS |
269 | } |
270 | else | |
271 | { | |
1c30a66f | 272 | w32con_clear_end_of_line (f, cursor_coords.X + len); |
6cdfb6e6 RS |
273 | } |
274 | } | |
275 | ||
7cb010ed | 276 | static void |
1c30a66f JR |
277 | w32con_write_glyphs (struct frame *f, register struct glyph *string, |
278 | register int len) | |
6cdfb6e6 | 279 | { |
84f5bd81 | 280 | DWORD r; |
338b1bb2 | 281 | WORD char_attr; |
aee31bf1 KH |
282 | unsigned char *conversion_buffer; |
283 | struct coding_system *coding; | |
338b1bb2 JR |
284 | |
285 | if (len <= 0) | |
286 | return; | |
b47278e1 | 287 | |
aee31bf1 KH |
288 | /* If terminal_coding does any conversion, use it, otherwise use |
289 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
290 | because it always return 1 if the member src_multibyte is 1. */ | |
1c30a66f JR |
291 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
292 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
8c2ac482 JR |
293 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
294 | the tail. */ | |
1c30a66f | 295 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
6cdfb6e6 | 296 | |
8c2ac482 | 297 | while (len > 0) |
6cdfb6e6 | 298 | { |
8c2ac482 JR |
299 | /* Identify a run of glyphs with the same face. */ |
300 | int face_id = string->face_id; | |
301 | int n; | |
177c0ea7 | 302 | |
8c2ac482 JR |
303 | for (n = 1; n < len; ++n) |
304 | if (string[n].face_id != face_id) | |
305 | break; | |
306 | ||
307 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 308 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 | 309 | |
aee31bf1 KH |
310 | if (n == len) |
311 | /* This is the last run. */ | |
312 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
313 | conversion_buffer = encode_terminal_code (string, n, coding); | |
314 | if (coding->produced > 0) | |
315 | { | |
316 | /* Set the attribute for these characters. */ | |
317 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
318 | coding->produced, cursor_coords, | |
319 | &r)) | |
8c2ac482 | 320 | { |
aee31bf1 KH |
321 | printf ("Failed writing console attributes: %d\n", |
322 | GetLastError ()); | |
323 | fflush (stdout); | |
324 | } | |
325 | ||
326 | /* Write the characters. */ | |
56cc8ca9 | 327 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, |
aee31bf1 KH |
328 | coding->produced, cursor_coords, |
329 | &r)) | |
330 | { | |
331 | printf ("Failed writing console characters: %d\n", | |
332 | GetLastError ()); | |
333 | fflush (stdout); | |
334 | } | |
335 | ||
336 | cursor_coords.X += coding->produced; | |
1c30a66f | 337 | w32con_move_cursor (f, cursor_coords.Y, cursor_coords.X); |
aee31bf1 KH |
338 | } |
339 | len -= n; | |
340 | string += n; | |
6cdfb6e6 | 341 | } |
6cdfb6e6 RS |
342 | } |
343 | ||
eb3f6f01 EZ |
344 | /* Used for mouse highlight. */ |
345 | static void | |
346 | w32con_write_glyphs_with_face (struct frame *f, register int x, register int y, | |
347 | register struct glyph *string, register int len, | |
348 | register int face_id) | |
349 | { | |
350 | unsigned char *conversion_buffer; | |
351 | struct coding_system *coding; | |
352 | ||
353 | if (len <= 0) | |
354 | return; | |
355 | ||
356 | /* If terminal_coding does any conversion, use it, otherwise use | |
357 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
358 | because it always return 1 if the member src_multibyte is 1. */ | |
359 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK | |
360 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
361 | /* We are going to write the entire block of glyphs in one go, as | |
362 | they all have the same face. So this _is_ the last block. */ | |
363 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
364 | ||
365 | conversion_buffer = encode_terminal_code (string, len, coding); | |
366 | if (coding->produced > 0) | |
367 | { | |
368 | DWORD filled, written; | |
369 | /* Compute the character attributes corresponding to the face. */ | |
370 | DWORD char_attr = w32_face_attributes (f, face_id); | |
371 | COORD start_coords; | |
372 | ||
373 | start_coords.X = x; | |
374 | start_coords.Y = y; | |
375 | /* Set the attribute for these characters. */ | |
376 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
377 | coding->produced, start_coords, | |
378 | &filled)) | |
379 | DebPrint (("Failed writing console attributes: %d\n", GetLastError ())); | |
380 | else | |
381 | { | |
382 | /* Write the characters. */ | |
383 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, | |
384 | filled, start_coords, &written)) | |
385 | DebPrint (("Failed writing console characters: %d\n", | |
386 | GetLastError ())); | |
387 | } | |
388 | } | |
389 | } | |
390 | ||
391 | /* Implementation of draw_row_with_mouse_face for W32 console. */ | |
392 | void | |
393 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
394 | int start_hpos, int end_hpos, | |
395 | enum draw_glyphs_face draw) | |
396 | { | |
397 | int nglyphs = end_hpos - start_hpos; | |
398 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
399 | struct tty_display_info *tty = FRAME_TTY (f); | |
400 | int face_id = tty->mouse_highlight.mouse_face_face_id; | |
401 | int pos_x, pos_y; | |
402 | ||
403 | if (end_hpos >= row->used[TEXT_AREA]) | |
404 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
405 | ||
406 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
407 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
408 | ||
409 | if (draw == DRAW_MOUSE_FACE) | |
410 | w32con_write_glyphs_with_face (f, pos_x, pos_y, | |
411 | row->glyphs[TEXT_AREA] + start_hpos, | |
412 | nglyphs, face_id); | |
413 | else if (draw == DRAW_NORMAL_TEXT) | |
414 | { | |
415 | COORD save_coords = cursor_coords; | |
416 | ||
417 | w32con_move_cursor (f, pos_y, pos_x); | |
418 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
419 | w32con_move_cursor (f, save_coords.Y, save_coords.X); | |
420 | } | |
421 | } | |
8c2ac482 | 422 | |
7cb010ed | 423 | static void |
1c30a66f | 424 | w32con_delete_glyphs (struct frame *f, int n) |
6cdfb6e6 | 425 | { |
177c0ea7 JB |
426 | /* delete chars means scroll chars from cursor_coords.X + n to |
427 | cursor_coords.X, anything beyond the edge of the screen should | |
6cdfb6e6 RS |
428 | come out empty... */ |
429 | ||
1c30a66f | 430 | scroll_line (f, n, LEFT); |
6cdfb6e6 RS |
431 | } |
432 | ||
177c0ea7 | 433 | |
7cb010ed | 434 | static void |
1c30a66f | 435 | w32con_reset_terminal_modes (struct terminal *t) |
6cdfb6e6 | 436 | { |
09320d30 JR |
437 | COORD dest; |
438 | CONSOLE_SCREEN_BUFFER_INFO info; | |
439 | int n; | |
440 | DWORD r; | |
441 | ||
442 | /* Clear the complete screen buffer. This is required because Emacs | |
443 | sets the cursor position to the top of the buffer, but there might | |
444 | be other output below the bottom of the Emacs frame if the screen buffer | |
445 | is larger than the window size. */ | |
446 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
447 | dest.X = 0; | |
448 | dest.Y = 0; | |
449 | n = info.dwSize.X * info.dwSize.Y; | |
450 | ||
451 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); | |
452 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
453 | /* Now that the screen is clear, put the cursor at the top. */ | |
454 | SetConsoleCursorPosition (cur_screen, dest); | |
b56ceb92 | 455 | |
3e671d90 | 456 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 457 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
458 | #else |
459 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
460 | #endif | |
09320d30 | 461 | |
3e671d90 | 462 | SetConsoleMode (keyboard_handle, prev_console_mode); |
6cdfb6e6 RS |
463 | } |
464 | ||
7cb010ed | 465 | static void |
1c30a66f | 466 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
467 | { |
468 | CONSOLE_CURSOR_INFO cci; | |
469 | ||
b46a6a83 | 470 | /* make cursor big and visible (100 on Windows 95 makes it disappear) */ |
3e671d90 GV |
471 | cci.dwSize = 99; |
472 | cci.bVisible = TRUE; | |
473 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 474 | |
3e671d90 | 475 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 476 | |
3e671d90 | 477 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 478 | |
3e671d90 GV |
479 | /* Initialize input mode: interrupt_input off, no flow control, allow |
480 | 8 bit character input, standard quit char. */ | |
481 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
482 | } |
483 | ||
484 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
485 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 486 | |
6cdfb6e6 | 487 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
488 | static void |
489 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
490 | { |
491 | } | |
492 | ||
7cb010ed JR |
493 | static void |
494 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
495 | { |
496 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
497 | } | |
498 | ||
91eac4bb JB |
499 | /*********************************************************************** |
500 | stubs from termcap.c | |
501 | ***********************************************************************/ | |
502 | ||
503 | void | |
ed3751c8 | 504 | sys_tputs (char *str, int nlines, int (*outfun) (int)) |
91eac4bb JB |
505 | { |
506 | } | |
507 | ||
508 | char * | |
509 | sys_tgetstr (char *cap, char **area) | |
510 | { | |
511 | return NULL; | |
512 | } | |
513 | ||
514 | ||
515 | /*********************************************************************** | |
516 | stubs from cm.c | |
517 | ***********************************************************************/ | |
518 | ||
519 | struct tty_display_info *current_tty = NULL; | |
520 | int cost = 0; | |
521 | ||
522 | int | |
b56ceb92 | 523 | evalcost (int c) |
91eac4bb JB |
524 | { |
525 | return c; | |
526 | } | |
527 | ||
528 | int | |
b56ceb92 | 529 | cmputc (int c) |
91eac4bb JB |
530 | { |
531 | return c; | |
532 | } | |
533 | ||
534 | void | |
535 | cmcheckmagic (struct tty_display_info *tty) | |
536 | { | |
537 | } | |
538 | ||
539 | void | |
540 | cmcostinit (struct tty_display_info *tty) | |
541 | { | |
542 | } | |
543 | ||
544 | void | |
545 | cmgoto (struct tty_display_info *tty, int row, int col) | |
546 | { | |
547 | } | |
548 | ||
549 | void | |
550 | Wcm_clear (struct tty_display_info *tty) | |
551 | { | |
552 | } | |
553 | ||
554 | ||
b5e9cbb6 EZ |
555 | /* Report the current cursor position. The following two functions |
556 | mirror cm.h macros and are used in term.c's tty menu code, so they | |
557 | are not really "stubs". */ | |
558 | int | |
559 | curX (struct tty_display_info *tty) | |
560 | { | |
561 | return cursor_coords.X; | |
562 | } | |
563 | ||
564 | int | |
565 | curY (struct tty_display_info *tty) | |
566 | { | |
567 | return cursor_coords.Y; | |
568 | } | |
569 | ||
8c2ac482 JR |
570 | /*********************************************************************** |
571 | Faces | |
572 | ***********************************************************************/ | |
573 | ||
574 | ||
575 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
576 | ||
338b1bb2 | 577 | static WORD |
b56ceb92 | 578 | w32_face_attributes (struct frame *f, int face_id) |
8c2ac482 | 579 | { |
338b1bb2 | 580 | WORD char_attr; |
8c2ac482 JR |
581 | struct face *face = FACE_FROM_ID (f, face_id); |
582 | ||
a54e2c05 | 583 | eassert (face != NULL); |
8c2ac482 JR |
584 | |
585 | char_attr = char_attr_normal; | |
586 | ||
f442d348 JR |
587 | /* Reverse the default color if requested. If background and |
588 | foreground are specified, then they have been reversed already. */ | |
e850a615 | 589 | if (face->tty_reverse_p) |
338b1bb2 JR |
590 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
591 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 592 | |
b510360c | 593 | /* Before the terminal is properly initialized, all colors map to 0. |
f442d348 | 594 | Don't try to resolve them. */ |
b510360c | 595 | if (NILP (Vtty_defined_color_alist)) |
f442d348 | 596 | return char_attr; |
8c2ac482 | 597 | |
30b7f3e6 JR |
598 | /* Colors should be in the range 0...15 unless they are one of |
599 | FACE_TTY_DEFAULT_COLOR, FACE_TTY_DEFAULT_FG_COLOR or | |
600 | FACE_TTY_DEFAULT_BG_COLOR. Other out of range colors are | |
601 | invalid, so it is better to use the default color if they ever | |
602 | get through to here. */ | |
603 | if (face->foreground >= 0 && face->foreground < 16) | |
f442d348 | 604 | char_attr = (char_attr & 0xfff0) + face->foreground; |
8c2ac482 | 605 | |
30b7f3e6 | 606 | if (face->background >= 0 && face->background < 16) |
f442d348 | 607 | char_attr = (char_attr & 0xff0f) + (face->background << 4); |
8c2ac482 | 608 | |
338b1bb2 | 609 | return char_attr; |
8c2ac482 | 610 | } |
8c2ac482 | 611 | |
6cdfb6e6 | 612 | void |
9337e206 | 613 | initialize_w32_display (struct terminal *term, int *width, int *height) |
6cdfb6e6 RS |
614 | { |
615 | CONSOLE_SCREEN_BUFFER_INFO info; | |
eb3f6f01 | 616 | Mouse_HLInfo *hlinfo; |
177c0ea7 | 617 | |
9b8f0fc3 | 618 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f | 619 | term->cursor_to_hook = w32con_move_cursor; |
b56ceb92 JB |
620 | term->raw_cursor_to_hook = w32con_move_cursor; |
621 | term->clear_to_end_hook = w32con_clear_to_end; | |
622 | term->clear_frame_hook = w32con_clear_frame; | |
1c30a66f | 623 | term->clear_end_of_line_hook = w32con_clear_end_of_line; |
b56ceb92 JB |
624 | term->ins_del_lines_hook = w32con_ins_del_lines; |
625 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
626 | term->write_glyphs_hook = w32con_write_glyphs; | |
627 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
1c30a66f | 628 | term->ring_bell_hook = w32_sys_ring_bell; |
b56ceb92 | 629 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; |
1c30a66f | 630 | term->set_terminal_modes_hook = w32con_set_terminal_modes; |
0c7f856e | 631 | term->set_terminal_window_hook = NULL; |
b56ceb92 | 632 | term->update_begin_hook = w32con_update_begin; |
1c30a66f JR |
633 | term->update_end_hook = w32con_update_end; |
634 | ||
635 | term->read_socket_hook = w32_console_read_socket; | |
636 | term->mouse_position_hook = w32_console_mouse_position; | |
3e671d90 | 637 | |
9b8f0fc3 JR |
638 | /* The following are not used on the console. */ |
639 | term->frame_rehighlight_hook = 0; | |
640 | term->frame_raise_lower_hook = 0; | |
641 | term->set_vertical_scroll_bar_hook = 0; | |
642 | term->condemn_scroll_bars_hook = 0; | |
643 | term->redeem_scroll_bar_hook = 0; | |
644 | term->judge_scroll_bars_hook = 0; | |
645 | term->frame_up_to_date_hook = 0; | |
3e671d90 | 646 | |
eb3f6f01 | 647 | /* Initialize the mouse-highlight data. */ |
9fed9729 | 648 | reset_mouse_highlight (&term->display_info.tty->mouse_highlight); |
eb3f6f01 | 649 | |
c1e06681 AI |
650 | /* Initialize interrupt_handle. */ |
651 | init_crit (); | |
652 | ||
3e671d90 GV |
653 | /* Remember original console settings. */ |
654 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
655 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
656 | ||
6cdfb6e6 | 657 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 658 | |
3e671d90 GV |
659 | #ifdef USE_SEPARATE_SCREEN |
660 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
661 | 0, NULL, | |
662 | CONSOLE_TEXTMODE_BUFFER, | |
663 | NULL); | |
664 | ||
665 | if (cur_screen == INVALID_HANDLE_VALUE) | |
666 | { | |
667 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
668 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
669 | fflush (stdout); | |
670 | exit (0); | |
671 | } | |
672 | #else | |
673 | cur_screen = prev_screen; | |
674 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
675 | #endif | |
676 | ||
191100f2 AI |
677 | /* Respect setting of LINES and COLUMNS environment variables. */ |
678 | { | |
ed3751c8 JB |
679 | char * lines = getenv ("LINES"); |
680 | char * columns = getenv ("COLUMNS"); | |
191100f2 AI |
681 | |
682 | if (lines != NULL && columns != NULL) | |
683 | { | |
684 | SMALL_RECT new_win_dims; | |
685 | COORD new_size; | |
686 | ||
687 | new_size.X = atoi (columns); | |
688 | new_size.Y = atoi (lines); | |
689 | ||
690 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
691 | ||
692 | /* Shrink the window first, so the buffer dimensions can be | |
693 | reduced if necessary. */ | |
694 | new_win_dims.Top = 0; | |
695 | new_win_dims.Left = 0; | |
696 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
697 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
698 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
699 | ||
700 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
701 | ||
702 | /* Set the window size to match the buffer dimension. */ | |
703 | new_win_dims.Top = 0; | |
704 | new_win_dims.Left = 0; | |
705 | new_win_dims.Bottom = new_size.Y - 1; | |
706 | new_win_dims.Right = new_size.X - 1; | |
707 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
708 | } | |
709 | } | |
710 | ||
6cdfb6e6 | 711 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 712 | |
338b1bb2 | 713 | char_attr_normal = info.wAttributes; |
938469f2 | 714 | |
3fb1d72b JR |
715 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
716 | is realistic. Old MS Telnet servers used to only fill out | |
717 | the dwSize portion, even modern one fill the whole struct with | |
718 | garbage when using non-MS telnet clients. */ | |
719 | if ((w32_use_full_screen_buffer | |
720 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
721 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
722 | || (!w32_use_full_screen_buffer | |
723 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
724 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
725 | || info.srWindow.Right - info.srWindow.Left < 40 | |
726 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
727 | { | |
9337e206 EZ |
728 | *height = 25; |
729 | *width = 80; | |
3fb1d72b JR |
730 | } |
731 | ||
732 | else if (w32_use_full_screen_buffer) | |
191100f2 | 733 | { |
9337e206 EZ |
734 | *height = info.dwSize.Y; /* lines per page */ |
735 | *width = info.dwSize.X; /* characters per line */ | |
191100f2 AI |
736 | } |
737 | else | |
738 | { | |
739 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
9337e206 | 740 | *height = 1 + info.srWindow.Bottom - info.srWindow.Top; |
191100f2 | 741 | /* Characters per line. Use buffer coords instead of buffer size. */ |
9337e206 | 742 | *width = 1 + info.srWindow.Right - info.srWindow.Left; |
191100f2 | 743 | } |
65fb143c | 744 | |
01bd1b0d EZ |
745 | if (os_subtype == OS_NT) |
746 | w32_console_unicode_input = 1; | |
747 | else | |
748 | w32_console_unicode_input = 0; | |
749 | ||
977c6479 EZ |
750 | /* This is needed by w32notify.c:send_notifications. */ |
751 | dwMainThreadId = GetCurrentThreadId (); | |
752 | ||
65fb143c JR |
753 | /* Setup w32_display_info structure for this frame. */ |
754 | ||
755 | w32_initialize_display_info (build_string ("Console")); | |
756 | ||
6cdfb6e6 RS |
757 | } |
758 | ||
1c30a66f | 759 | |
6cdfb6e6 | 760 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
b0512a1d EZ |
761 | doc: /* Set screen foreground and background colors. |
762 | ||
763 | Arguments should be indices between 0 and 15, see w32console.el. */) | |
5842a27b | 764 | (Lisp_Object foreground, Lisp_Object background) |
6cdfb6e6 RS |
765 | { |
766 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
767 | |
768 | Frecenter (Qnil); | |
769 | return Qt; | |
770 | } | |
771 | ||
b0512a1d EZ |
772 | DEFUN ("get-screen-color", Fget_screen_color, Sget_screen_color, 0, 0, 0, |
773 | doc: /* Get color indices of the current screen foreground and background. | |
774 | ||
775 | The colors are returned as a list of 2 indices (FOREGROUND BACKGROUND). | |
776 | See w32console.el and `tty-defined-color-alist' for mapping of indices | |
777 | to colors. */) | |
778 | (void) | |
779 | { | |
780 | return Fcons (make_number (char_attr_normal & 0x000f), | |
781 | Fcons (make_number ((char_attr_normal >> 4) & 0x000f), Qnil)); | |
782 | } | |
783 | ||
6cdfb6e6 | 784 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, |
33f09670 | 785 | doc: /* Set cursor size. */) |
5842a27b | 786 | (Lisp_Object size) |
6cdfb6e6 RS |
787 | { |
788 | CONSOLE_CURSOR_INFO cci; | |
789 | cci.dwSize = XFASTINT (size); | |
790 | cci.bVisible = TRUE; | |
791 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 792 | |
6cdfb6e6 RS |
793 | return Qt; |
794 | } | |
795 | ||
0534d577 | 796 | void |
b56ceb92 | 797 | syms_of_ntterm (void) |
6cdfb6e6 | 798 | { |
191100f2 | 799 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
29208e82 | 800 | w32_use_full_screen_buffer, |
33f09670 | 801 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 802 | This is desirable when running Emacs over telnet. |
33f09670 | 803 | A value of nil means use the current console window dimensions; this |
e1dbe924 | 804 | may be preferable when working directly at the console with a large |
33f09670 | 805 | scroll-back buffer. */); |
3fb1d72b | 806 | w32_use_full_screen_buffer = 0; |
191100f2 | 807 | |
6cdfb6e6 | 808 | defsubr (&Sset_screen_color); |
b0512a1d | 809 | defsubr (&Sget_screen_color); |
6cdfb6e6 RS |
810 | defsubr (&Sset_cursor_size); |
811 | } |