Commit | Line | Data |
---|---|---|
b46a6a83 | 1 | /* Terminal hooks for GNU Emacs on the Microsoft Windows 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" |
eb3f6f01 | 36 | #include "window.h" |
1c30a66f JR |
37 | #include "termhooks.h" |
38 | #include "termchar.h" | |
39 | #include "dispextern.h" | |
0fda9b75 | 40 | #include "w32term.h" |
01bd1b0d | 41 | #include "w32heap.h" /* for os_subtype */ |
489f9371 | 42 | #include "w32inevt.h" |
6cdfb6e6 | 43 | |
0534d577 | 44 | /* from window.c */ |
b56ceb92 | 45 | extern Lisp_Object Frecenter (Lisp_Object); |
6cdfb6e6 | 46 | |
1c30a66f JR |
47 | static void w32con_move_cursor (struct frame *f, int row, int col); |
48 | static void w32con_clear_to_end (struct frame *f); | |
49 | static void w32con_clear_frame (struct frame *f); | |
50 | static void w32con_clear_end_of_line (struct frame *f, int); | |
51 | static void w32con_ins_del_lines (struct frame *f, int vpos, int n); | |
52 | static void w32con_insert_glyphs (struct frame *f, struct glyph *start, int len); | |
53 | static void w32con_write_glyphs (struct frame *f, struct glyph *string, int len); | |
54 | static void w32con_delete_glyphs (struct frame *f, int n); | |
55 | static void w32con_reset_terminal_modes (struct terminal *t); | |
56 | static void w32con_set_terminal_modes (struct terminal *t); | |
57 | static void w32con_set_terminal_window (struct frame *f, int size); | |
7cb010ed JR |
58 | static void w32con_update_begin (struct frame * f); |
59 | static void w32con_update_end (struct frame * f); | |
338b1bb2 | 60 | static WORD w32_face_attributes (struct frame *f, int face_id); |
6cdfb6e6 | 61 | |
338b1bb2 JR |
62 | static COORD cursor_coords; |
63 | static HANDLE prev_screen, cur_screen; | |
64 | static WORD char_attr_normal; | |
b56ceb92 | 65 | static DWORD prev_console_mode; |
6cdfb6e6 | 66 | |
3e671d90 | 67 | #ifndef USE_SEPARATE_SCREEN |
338b1bb2 | 68 | static CONSOLE_CURSOR_INFO prev_console_cursor; |
3e671d90 GV |
69 | #endif |
70 | ||
338b1bb2 | 71 | HANDLE keyboard_handle; |
01bd1b0d | 72 | int w32_console_unicode_input; |
191100f2 | 73 | |
6cdfb6e6 RS |
74 | |
75 | /* Setting this as the ctrl handler prevents emacs from being killed when | |
40d578c9 RS |
76 | someone hits ^C in a 'suspended' session (child shell). |
77 | Also ignore Ctrl-Break signals. */ | |
78 | ||
6cdfb6e6 RS |
79 | BOOL |
80 | ctrl_c_handler (unsigned long type) | |
81 | { | |
3e671d90 GV |
82 | /* Only ignore "interrupt" events when running interactively. */ |
83 | return (!noninteractive | |
84 | && (type == CTRL_C_EVENT || type == CTRL_BREAK_EVENT)); | |
6cdfb6e6 RS |
85 | } |
86 | ||
6cdfb6e6 | 87 | |
1c30a66f | 88 | /* Move the cursor to (ROW, COL) on FRAME. */ |
4fdbdbbd | 89 | static void |
1c30a66f | 90 | w32con_move_cursor (struct frame *f, int row, int col) |
6cdfb6e6 RS |
91 | { |
92 | cursor_coords.X = col; | |
93 | cursor_coords.Y = row; | |
177c0ea7 | 94 | |
1c30a66f JR |
95 | /* TODO: for multi-tty support, cur_screen should be replaced with a |
96 | reference to the terminal for this frame. */ | |
97 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
6cdfb6e6 RS |
98 | } |
99 | ||
100 | /* Clear from cursor to end of screen. */ | |
4fdbdbbd | 101 | static void |
1c30a66f | 102 | w32con_clear_to_end (struct frame *f) |
6cdfb6e6 | 103 | { |
1c30a66f JR |
104 | w32con_clear_end_of_line (f, FRAME_COLS (f) - 1); |
105 | w32con_ins_del_lines (f, cursor_coords.Y, FRAME_LINES (f) - cursor_coords.Y - 1); | |
6cdfb6e6 RS |
106 | } |
107 | ||
108 | /* Clear the frame. */ | |
7cb010ed | 109 | static void |
1c30a66f | 110 | w32con_clear_frame (struct frame *f) |
6cdfb6e6 | 111 | { |
b47278e1 | 112 | COORD dest; |
84f5bd81 AI |
113 | int n; |
114 | DWORD r; | |
a5404e3a AI |
115 | CONSOLE_SCREEN_BUFFER_INFO info; |
116 | ||
117 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 118 | |
a5404e3a | 119 | /* Remember that the screen buffer might be wider than the window. */ |
90022f5a | 120 | n = FRAME_LINES (f) * info.dwSize.X; |
b47278e1 GV |
121 | dest.X = dest.Y = 0; |
122 | ||
338b1bb2 | 123 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
124 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
125 | ||
1c30a66f | 126 | w32con_move_cursor (f, 0, 0); |
6cdfb6e6 RS |
127 | } |
128 | ||
129 | ||
8c2ac482 | 130 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
131 | static BOOL ceol_initialized = FALSE; |
132 | ||
133 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
7cb010ed | 134 | static void |
1c30a66f | 135 | w32con_clear_end_of_line (struct frame *f, int end) |
6cdfb6e6 RS |
136 | { |
137 | if (!ceol_initialized) | |
138 | { | |
139 | int i; | |
140 | for (i = 0; i < 256; i++) | |
141 | { | |
8c2ac482 | 142 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
143 | } |
144 | ceol_initialized = TRUE; | |
145 | } | |
1c30a66f | 146 | w32con_write_glyphs (f, glyph_base, end - cursor_coords.X); /* fencepost ? */ |
6cdfb6e6 RS |
147 | } |
148 | ||
149 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
7cb010ed | 150 | static void |
1c30a66f | 151 | w32con_ins_del_lines (struct frame *f, int vpos, int n) |
6cdfb6e6 | 152 | { |
e850a615 | 153 | int i, nb; |
6cdfb6e6 | 154 | SMALL_RECT scroll; |
09320d30 | 155 | SMALL_RECT clip; |
6cdfb6e6 RS |
156 | COORD dest; |
157 | CHAR_INFO fill; | |
6cdfb6e6 RS |
158 | |
159 | if (n < 0) | |
160 | { | |
161 | scroll.Top = vpos - n; | |
90022f5a | 162 | scroll.Bottom = FRAME_LINES (f); |
6cdfb6e6 RS |
163 | dest.Y = vpos; |
164 | } | |
165 | else | |
166 | { | |
167 | scroll.Top = vpos; | |
90022f5a | 168 | scroll.Bottom = FRAME_LINES (f) - n; |
6cdfb6e6 RS |
169 | dest.Y = vpos + n; |
170 | } | |
09320d30 JR |
171 | clip.Top = clip.Left = scroll.Left = 0; |
172 | clip.Right = scroll.Right = FRAME_COLS (f); | |
173 | clip.Bottom = FRAME_LINES (f); | |
177c0ea7 | 174 | |
6cdfb6e6 | 175 | dest.X = 0; |
177c0ea7 | 176 | |
6cdfb6e6 | 177 | fill.Char.AsciiChar = 0x20; |
338b1bb2 | 178 | fill.Attributes = char_attr_normal; |
177c0ea7 | 179 | |
09320d30 | 180 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 | 181 | |
fbd6baed | 182 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
183 | region looks like abc and we scroll c to a and fill with d we get |
184 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
185 | Emacs expects cdd consistently... So we have to deal with that | |
186 | here... (this also occurs scrolling the same way in the other | |
187 | direction. */ | |
188 | ||
189 | if (n > 0) | |
190 | { | |
191 | if (scroll.Bottom < dest.Y) | |
192 | { | |
193 | for (i = scroll.Bottom; i < dest.Y; i++) | |
194 | { | |
1c30a66f JR |
195 | w32con_move_cursor (f, i, 0); |
196 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
197 | } |
198 | } | |
199 | } | |
200 | else | |
201 | { | |
202 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
203 | ||
204 | if (nb < scroll.Top) | |
177c0ea7 | 205 | { |
6cdfb6e6 RS |
206 | for (i = nb; i < scroll.Top; i++) |
207 | { | |
1c30a66f JR |
208 | w32con_move_cursor (f, i, 0); |
209 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
210 | } |
211 | } | |
212 | } | |
177c0ea7 | 213 | |
6cdfb6e6 RS |
214 | cursor_coords.X = 0; |
215 | cursor_coords.Y = vpos; | |
6cdfb6e6 RS |
216 | } |
217 | ||
218 | #undef LEFT | |
219 | #undef RIGHT | |
220 | #define LEFT 1 | |
221 | #define RIGHT 0 | |
222 | ||
4fdbdbbd | 223 | static void |
1c30a66f | 224 | scroll_line (struct frame *f, int dist, int direction) |
6cdfb6e6 RS |
225 | { |
226 | /* The idea here is to implement a horizontal scroll in one line to | |
227 | implement delete and half of insert. */ | |
09320d30 | 228 | SMALL_RECT scroll, clip; |
6cdfb6e6 RS |
229 | COORD dest; |
230 | CHAR_INFO fill; | |
177c0ea7 | 231 | |
09320d30 JR |
232 | clip.Top = scroll.Top = clip.Bottom = scroll.Bottom = cursor_coords.Y; |
233 | clip.Left = 0; | |
234 | clip.Right = FRAME_COLS (f); | |
177c0ea7 | 235 | |
6cdfb6e6 RS |
236 | if (direction == LEFT) |
237 | { | |
238 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 239 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
240 | } |
241 | else | |
242 | { | |
243 | scroll.Left = cursor_coords.X; | |
90022f5a | 244 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 245 | } |
177c0ea7 | 246 | |
6cdfb6e6 RS |
247 | dest.X = cursor_coords.X; |
248 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 249 | |
6cdfb6e6 | 250 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
251 | fill.Attributes = char_attr_normal; |
252 | ||
09320d30 | 253 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 RS |
254 | } |
255 | ||
256 | ||
257 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 258 | static void |
b56ceb92 JB |
259 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, |
260 | register int len) | |
6cdfb6e6 | 261 | { |
1c30a66f | 262 | scroll_line (f, len, RIGHT); |
6cdfb6e6 RS |
263 | |
264 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
265 | if (start) | |
266 | { | |
267 | /* Print the first len characters of start, cursor_coords.X adjusted | |
268 | by write_glyphs. */ | |
177c0ea7 | 269 | |
1c30a66f | 270 | w32con_write_glyphs (f, start, len); |
6cdfb6e6 RS |
271 | } |
272 | else | |
273 | { | |
1c30a66f | 274 | w32con_clear_end_of_line (f, cursor_coords.X + len); |
6cdfb6e6 RS |
275 | } |
276 | } | |
277 | ||
7cb010ed | 278 | static void |
1c30a66f JR |
279 | w32con_write_glyphs (struct frame *f, register struct glyph *string, |
280 | register int len) | |
6cdfb6e6 | 281 | { |
84f5bd81 | 282 | DWORD r; |
338b1bb2 | 283 | WORD char_attr; |
aee31bf1 KH |
284 | unsigned char *conversion_buffer; |
285 | struct coding_system *coding; | |
338b1bb2 JR |
286 | |
287 | if (len <= 0) | |
288 | return; | |
b47278e1 | 289 | |
aee31bf1 KH |
290 | /* If terminal_coding does any conversion, use it, otherwise use |
291 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
292 | because it always return 1 if the member src_multibyte is 1. */ | |
1c30a66f JR |
293 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
294 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
8c2ac482 JR |
295 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
296 | the tail. */ | |
1c30a66f | 297 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
6cdfb6e6 | 298 | |
8c2ac482 | 299 | while (len > 0) |
6cdfb6e6 | 300 | { |
8c2ac482 JR |
301 | /* Identify a run of glyphs with the same face. */ |
302 | int face_id = string->face_id; | |
303 | int n; | |
177c0ea7 | 304 | |
8c2ac482 JR |
305 | for (n = 1; n < len; ++n) |
306 | if (string[n].face_id != face_id) | |
307 | break; | |
308 | ||
309 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 310 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 | 311 | |
aee31bf1 KH |
312 | if (n == len) |
313 | /* This is the last run. */ | |
314 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
315 | conversion_buffer = encode_terminal_code (string, n, coding); | |
316 | if (coding->produced > 0) | |
317 | { | |
318 | /* Set the attribute for these characters. */ | |
319 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
320 | coding->produced, cursor_coords, | |
321 | &r)) | |
8c2ac482 | 322 | { |
aee31bf1 KH |
323 | printf ("Failed writing console attributes: %d\n", |
324 | GetLastError ()); | |
325 | fflush (stdout); | |
326 | } | |
327 | ||
328 | /* Write the characters. */ | |
56cc8ca9 | 329 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, |
aee31bf1 KH |
330 | coding->produced, cursor_coords, |
331 | &r)) | |
332 | { | |
333 | printf ("Failed writing console characters: %d\n", | |
334 | GetLastError ()); | |
335 | fflush (stdout); | |
336 | } | |
337 | ||
338 | cursor_coords.X += coding->produced; | |
1c30a66f | 339 | w32con_move_cursor (f, cursor_coords.Y, cursor_coords.X); |
aee31bf1 KH |
340 | } |
341 | len -= n; | |
342 | string += n; | |
6cdfb6e6 | 343 | } |
6cdfb6e6 RS |
344 | } |
345 | ||
eb3f6f01 EZ |
346 | /* Used for mouse highlight. */ |
347 | static void | |
348 | w32con_write_glyphs_with_face (struct frame *f, register int x, register int y, | |
349 | register struct glyph *string, register int len, | |
350 | register int face_id) | |
351 | { | |
352 | unsigned char *conversion_buffer; | |
353 | struct coding_system *coding; | |
354 | ||
355 | if (len <= 0) | |
356 | return; | |
357 | ||
358 | /* If terminal_coding does any conversion, use it, otherwise use | |
359 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
360 | because it always return 1 if the member src_multibyte is 1. */ | |
361 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK | |
362 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
363 | /* We are going to write the entire block of glyphs in one go, as | |
364 | they all have the same face. So this _is_ the last block. */ | |
365 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
366 | ||
367 | conversion_buffer = encode_terminal_code (string, len, coding); | |
368 | if (coding->produced > 0) | |
369 | { | |
370 | DWORD filled, written; | |
371 | /* Compute the character attributes corresponding to the face. */ | |
372 | DWORD char_attr = w32_face_attributes (f, face_id); | |
373 | COORD start_coords; | |
374 | ||
375 | start_coords.X = x; | |
376 | start_coords.Y = y; | |
377 | /* Set the attribute for these characters. */ | |
378 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
379 | coding->produced, start_coords, | |
380 | &filled)) | |
381 | DebPrint (("Failed writing console attributes: %d\n", GetLastError ())); | |
382 | else | |
383 | { | |
384 | /* Write the characters. */ | |
385 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, | |
386 | filled, start_coords, &written)) | |
387 | DebPrint (("Failed writing console characters: %d\n", | |
388 | GetLastError ())); | |
389 | } | |
390 | } | |
391 | } | |
392 | ||
393 | /* Implementation of draw_row_with_mouse_face for W32 console. */ | |
394 | void | |
395 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
396 | int start_hpos, int end_hpos, | |
397 | enum draw_glyphs_face draw) | |
398 | { | |
399 | int nglyphs = end_hpos - start_hpos; | |
400 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
401 | struct tty_display_info *tty = FRAME_TTY (f); | |
402 | int face_id = tty->mouse_highlight.mouse_face_face_id; | |
403 | int pos_x, pos_y; | |
404 | ||
405 | if (end_hpos >= row->used[TEXT_AREA]) | |
406 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
407 | ||
408 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
409 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
410 | ||
411 | if (draw == DRAW_MOUSE_FACE) | |
412 | w32con_write_glyphs_with_face (f, pos_x, pos_y, | |
413 | row->glyphs[TEXT_AREA] + start_hpos, | |
414 | nglyphs, face_id); | |
415 | else if (draw == DRAW_NORMAL_TEXT) | |
416 | { | |
417 | COORD save_coords = cursor_coords; | |
418 | ||
419 | w32con_move_cursor (f, pos_y, pos_x); | |
420 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
421 | w32con_move_cursor (f, save_coords.Y, save_coords.X); | |
422 | } | |
423 | } | |
8c2ac482 | 424 | |
7cb010ed | 425 | static void |
1c30a66f | 426 | w32con_delete_glyphs (struct frame *f, int n) |
6cdfb6e6 | 427 | { |
177c0ea7 JB |
428 | /* delete chars means scroll chars from cursor_coords.X + n to |
429 | cursor_coords.X, anything beyond the edge of the screen should | |
6cdfb6e6 RS |
430 | come out empty... */ |
431 | ||
1c30a66f | 432 | scroll_line (f, n, LEFT); |
6cdfb6e6 RS |
433 | } |
434 | ||
177c0ea7 | 435 | |
7cb010ed | 436 | static void |
1c30a66f | 437 | w32con_reset_terminal_modes (struct terminal *t) |
6cdfb6e6 | 438 | { |
09320d30 JR |
439 | COORD dest; |
440 | CONSOLE_SCREEN_BUFFER_INFO info; | |
441 | int n; | |
442 | DWORD r; | |
443 | ||
444 | /* Clear the complete screen buffer. This is required because Emacs | |
445 | sets the cursor position to the top of the buffer, but there might | |
446 | be other output below the bottom of the Emacs frame if the screen buffer | |
447 | is larger than the window size. */ | |
448 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
449 | dest.X = 0; | |
450 | dest.Y = 0; | |
451 | n = info.dwSize.X * info.dwSize.Y; | |
452 | ||
453 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); | |
454 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
455 | /* Now that the screen is clear, put the cursor at the top. */ | |
456 | SetConsoleCursorPosition (cur_screen, dest); | |
b56ceb92 | 457 | |
3e671d90 | 458 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 459 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
460 | #else |
461 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
462 | #endif | |
09320d30 | 463 | |
3e671d90 | 464 | SetConsoleMode (keyboard_handle, prev_console_mode); |
6cdfb6e6 RS |
465 | } |
466 | ||
7cb010ed | 467 | static void |
1c30a66f | 468 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
469 | { |
470 | CONSOLE_CURSOR_INFO cci; | |
471 | ||
b46a6a83 | 472 | /* make cursor big and visible (100 on Windows 95 makes it disappear) */ |
3e671d90 GV |
473 | cci.dwSize = 99; |
474 | cci.bVisible = TRUE; | |
475 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 476 | |
3e671d90 | 477 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 478 | |
3e671d90 | 479 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 480 | |
3e671d90 GV |
481 | /* Initialize input mode: interrupt_input off, no flow control, allow |
482 | 8 bit character input, standard quit char. */ | |
483 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
484 | } |
485 | ||
486 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
487 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 488 | |
6cdfb6e6 | 489 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
490 | static void |
491 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
492 | { |
493 | } | |
494 | ||
7cb010ed JR |
495 | static void |
496 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
497 | { |
498 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
499 | } | |
500 | ||
7cb010ed | 501 | static void |
1c30a66f | 502 | w32con_set_terminal_window (struct frame *f, int size) |
6cdfb6e6 RS |
503 | { |
504 | } | |
505 | ||
91eac4bb JB |
506 | /*********************************************************************** |
507 | stubs from termcap.c | |
508 | ***********************************************************************/ | |
509 | ||
510 | void | |
ed3751c8 | 511 | sys_tputs (char *str, int nlines, int (*outfun) (int)) |
91eac4bb JB |
512 | { |
513 | } | |
514 | ||
515 | char * | |
516 | sys_tgetstr (char *cap, char **area) | |
517 | { | |
518 | return NULL; | |
519 | } | |
520 | ||
521 | ||
522 | /*********************************************************************** | |
523 | stubs from cm.c | |
524 | ***********************************************************************/ | |
525 | ||
526 | struct tty_display_info *current_tty = NULL; | |
527 | int cost = 0; | |
528 | ||
529 | int | |
b56ceb92 | 530 | evalcost (int c) |
91eac4bb JB |
531 | { |
532 | return c; | |
533 | } | |
534 | ||
535 | int | |
b56ceb92 | 536 | cmputc (int c) |
91eac4bb JB |
537 | { |
538 | return c; | |
539 | } | |
540 | ||
541 | void | |
542 | cmcheckmagic (struct tty_display_info *tty) | |
543 | { | |
544 | } | |
545 | ||
546 | void | |
547 | cmcostinit (struct tty_display_info *tty) | |
548 | { | |
549 | } | |
550 | ||
551 | void | |
552 | cmgoto (struct tty_display_info *tty, int row, int col) | |
553 | { | |
554 | } | |
555 | ||
556 | void | |
557 | Wcm_clear (struct tty_display_info *tty) | |
558 | { | |
559 | } | |
560 | ||
561 | ||
8c2ac482 JR |
562 | /*********************************************************************** |
563 | Faces | |
564 | ***********************************************************************/ | |
565 | ||
566 | ||
567 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
568 | ||
338b1bb2 | 569 | static WORD |
b56ceb92 | 570 | w32_face_attributes (struct frame *f, int face_id) |
8c2ac482 | 571 | { |
338b1bb2 | 572 | WORD char_attr; |
8c2ac482 JR |
573 | struct face *face = FACE_FROM_ID (f, face_id); |
574 | ||
a54e2c05 | 575 | eassert (face != NULL); |
8c2ac482 JR |
576 | |
577 | char_attr = char_attr_normal; | |
578 | ||
f442d348 JR |
579 | /* Reverse the default color if requested. If background and |
580 | foreground are specified, then they have been reversed already. */ | |
e850a615 | 581 | if (face->tty_reverse_p) |
338b1bb2 JR |
582 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
583 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 584 | |
b510360c | 585 | /* Before the terminal is properly initialized, all colors map to 0. |
f442d348 | 586 | Don't try to resolve them. */ |
b510360c | 587 | if (NILP (Vtty_defined_color_alist)) |
f442d348 | 588 | return char_attr; |
8c2ac482 | 589 | |
30b7f3e6 JR |
590 | /* Colors should be in the range 0...15 unless they are one of |
591 | FACE_TTY_DEFAULT_COLOR, FACE_TTY_DEFAULT_FG_COLOR or | |
592 | FACE_TTY_DEFAULT_BG_COLOR. Other out of range colors are | |
593 | invalid, so it is better to use the default color if they ever | |
594 | get through to here. */ | |
595 | if (face->foreground >= 0 && face->foreground < 16) | |
f442d348 | 596 | char_attr = (char_attr & 0xfff0) + face->foreground; |
8c2ac482 | 597 | |
30b7f3e6 | 598 | if (face->background >= 0 && face->background < 16) |
f442d348 | 599 | char_attr = (char_attr & 0xff0f) + (face->background << 4); |
8c2ac482 | 600 | |
338b1bb2 | 601 | return char_attr; |
8c2ac482 | 602 | } |
8c2ac482 | 603 | |
6cdfb6e6 | 604 | void |
79af260e | 605 | initialize_w32_display (struct terminal *term) |
6cdfb6e6 RS |
606 | { |
607 | CONSOLE_SCREEN_BUFFER_INFO info; | |
eb3f6f01 | 608 | Mouse_HLInfo *hlinfo; |
177c0ea7 | 609 | |
9b8f0fc3 | 610 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f | 611 | term->cursor_to_hook = w32con_move_cursor; |
b56ceb92 JB |
612 | term->raw_cursor_to_hook = w32con_move_cursor; |
613 | term->clear_to_end_hook = w32con_clear_to_end; | |
614 | term->clear_frame_hook = w32con_clear_frame; | |
1c30a66f | 615 | term->clear_end_of_line_hook = w32con_clear_end_of_line; |
b56ceb92 JB |
616 | term->ins_del_lines_hook = w32con_ins_del_lines; |
617 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
618 | term->write_glyphs_hook = w32con_write_glyphs; | |
619 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
1c30a66f | 620 | term->ring_bell_hook = w32_sys_ring_bell; |
b56ceb92 | 621 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; |
1c30a66f | 622 | term->set_terminal_modes_hook = w32con_set_terminal_modes; |
b56ceb92 JB |
623 | term->set_terminal_window_hook = w32con_set_terminal_window; |
624 | term->update_begin_hook = w32con_update_begin; | |
1c30a66f JR |
625 | term->update_end_hook = w32con_update_end; |
626 | ||
627 | term->read_socket_hook = w32_console_read_socket; | |
628 | term->mouse_position_hook = w32_console_mouse_position; | |
3e671d90 | 629 | |
9b8f0fc3 JR |
630 | /* The following are not used on the console. */ |
631 | term->frame_rehighlight_hook = 0; | |
632 | term->frame_raise_lower_hook = 0; | |
633 | term->set_vertical_scroll_bar_hook = 0; | |
634 | term->condemn_scroll_bars_hook = 0; | |
635 | term->redeem_scroll_bar_hook = 0; | |
636 | term->judge_scroll_bars_hook = 0; | |
637 | term->frame_up_to_date_hook = 0; | |
3e671d90 | 638 | |
eb3f6f01 EZ |
639 | /* Initialize the mouse-highlight data. */ |
640 | hlinfo = &term->display_info.tty->mouse_highlight; | |
641 | hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1; | |
642 | hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1; | |
643 | hlinfo->mouse_face_face_id = DEFAULT_FACE_ID; | |
644 | hlinfo->mouse_face_mouse_frame = NULL; | |
645 | hlinfo->mouse_face_window = Qnil; | |
646 | hlinfo->mouse_face_hidden = 0; | |
647 | ||
c1e06681 AI |
648 | /* Initialize interrupt_handle. */ |
649 | init_crit (); | |
650 | ||
3e671d90 GV |
651 | /* Remember original console settings. */ |
652 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
653 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
654 | ||
6cdfb6e6 | 655 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 656 | |
3e671d90 GV |
657 | #ifdef USE_SEPARATE_SCREEN |
658 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
659 | 0, NULL, | |
660 | CONSOLE_TEXTMODE_BUFFER, | |
661 | NULL); | |
662 | ||
663 | if (cur_screen == INVALID_HANDLE_VALUE) | |
664 | { | |
665 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
666 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
667 | fflush (stdout); | |
668 | exit (0); | |
669 | } | |
670 | #else | |
671 | cur_screen = prev_screen; | |
672 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
673 | #endif | |
674 | ||
191100f2 AI |
675 | /* Respect setting of LINES and COLUMNS environment variables. */ |
676 | { | |
ed3751c8 JB |
677 | char * lines = getenv ("LINES"); |
678 | char * columns = getenv ("COLUMNS"); | |
191100f2 AI |
679 | |
680 | if (lines != NULL && columns != NULL) | |
681 | { | |
682 | SMALL_RECT new_win_dims; | |
683 | COORD new_size; | |
684 | ||
685 | new_size.X = atoi (columns); | |
686 | new_size.Y = atoi (lines); | |
687 | ||
688 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
689 | ||
690 | /* Shrink the window first, so the buffer dimensions can be | |
691 | reduced if necessary. */ | |
692 | new_win_dims.Top = 0; | |
693 | new_win_dims.Left = 0; | |
694 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
695 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
696 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
697 | ||
698 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
699 | ||
700 | /* Set the window size to match the buffer dimension. */ | |
701 | new_win_dims.Top = 0; | |
702 | new_win_dims.Left = 0; | |
703 | new_win_dims.Bottom = new_size.Y - 1; | |
704 | new_win_dims.Right = new_size.X - 1; | |
705 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
706 | } | |
707 | } | |
708 | ||
6cdfb6e6 | 709 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 710 | |
338b1bb2 | 711 | char_attr_normal = info.wAttributes; |
938469f2 | 712 | |
3fb1d72b JR |
713 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
714 | is realistic. Old MS Telnet servers used to only fill out | |
715 | the dwSize portion, even modern one fill the whole struct with | |
716 | garbage when using non-MS telnet clients. */ | |
717 | if ((w32_use_full_screen_buffer | |
718 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
719 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
720 | || (!w32_use_full_screen_buffer | |
721 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
722 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
723 | || info.srWindow.Right - info.srWindow.Left < 40 | |
724 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
725 | { | |
726 | FRAME_LINES (SELECTED_FRAME ()) = 25; | |
727 | SET_FRAME_COLS (SELECTED_FRAME (), 80); | |
728 | } | |
729 | ||
730 | else if (w32_use_full_screen_buffer) | |
191100f2 | 731 | { |
90022f5a KS |
732 | FRAME_LINES (SELECTED_FRAME ()) = info.dwSize.Y; /* lines per page */ |
733 | SET_FRAME_COLS (SELECTED_FRAME (), info.dwSize.X); /* characters per line */ | |
191100f2 AI |
734 | } |
735 | else | |
736 | { | |
737 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
90022f5a | 738 | FRAME_LINES (SELECTED_FRAME ()) = 1 + info.srWindow.Bottom - |
177c0ea7 | 739 | info.srWindow.Top; |
191100f2 | 740 | /* Characters per line. Use buffer coords instead of buffer size. */ |
90022f5a | 741 | SET_FRAME_COLS (SELECTED_FRAME (), 1 + info.srWindow.Right - |
191100f2 AI |
742 | info.srWindow.Left); |
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 | ||
65fb143c JR |
750 | /* Setup w32_display_info structure for this frame. */ |
751 | ||
752 | w32_initialize_display_info (build_string ("Console")); | |
753 | ||
6cdfb6e6 RS |
754 | } |
755 | ||
1c30a66f | 756 | |
6cdfb6e6 | 757 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
b0512a1d EZ |
758 | doc: /* Set screen foreground and background colors. |
759 | ||
760 | Arguments should be indices between 0 and 15, see w32console.el. */) | |
5842a27b | 761 | (Lisp_Object foreground, Lisp_Object background) |
6cdfb6e6 RS |
762 | { |
763 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
764 | |
765 | Frecenter (Qnil); | |
766 | return Qt; | |
767 | } | |
768 | ||
b0512a1d EZ |
769 | DEFUN ("get-screen-color", Fget_screen_color, Sget_screen_color, 0, 0, 0, |
770 | doc: /* Get color indices of the current screen foreground and background. | |
771 | ||
772 | The colors are returned as a list of 2 indices (FOREGROUND BACKGROUND). | |
773 | See w32console.el and `tty-defined-color-alist' for mapping of indices | |
774 | to colors. */) | |
775 | (void) | |
776 | { | |
777 | return Fcons (make_number (char_attr_normal & 0x000f), | |
778 | Fcons (make_number ((char_attr_normal >> 4) & 0x000f), Qnil)); | |
779 | } | |
780 | ||
6cdfb6e6 | 781 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, |
33f09670 | 782 | doc: /* Set cursor size. */) |
5842a27b | 783 | (Lisp_Object size) |
6cdfb6e6 RS |
784 | { |
785 | CONSOLE_CURSOR_INFO cci; | |
786 | cci.dwSize = XFASTINT (size); | |
787 | cci.bVisible = TRUE; | |
788 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 789 | |
6cdfb6e6 RS |
790 | return Qt; |
791 | } | |
792 | ||
0534d577 | 793 | void |
b56ceb92 | 794 | syms_of_ntterm (void) |
6cdfb6e6 | 795 | { |
191100f2 | 796 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
29208e82 | 797 | w32_use_full_screen_buffer, |
33f09670 | 798 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 799 | This is desirable when running Emacs over telnet. |
33f09670 | 800 | A value of nil means use the current console window dimensions; this |
e1dbe924 | 801 | may be preferable when working directly at the console with a large |
33f09670 | 802 | scroll-back buffer. */); |
3fb1d72b | 803 | w32_use_full_screen_buffer = 0; |
191100f2 | 804 | |
6cdfb6e6 | 805 | defsubr (&Sset_screen_color); |
b0512a1d | 806 | defsubr (&Sget_screen_color); |
6cdfb6e6 RS |
807 | defsubr (&Sset_cursor_size); |
808 | } |