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); | |
56 | static void w32con_set_terminal_window (struct frame *f, int size); | |
7cb010ed JR |
57 | static void w32con_update_begin (struct frame * f); |
58 | static void w32con_update_end (struct frame * f); | |
338b1bb2 | 59 | static WORD w32_face_attributes (struct frame *f, int face_id); |
6cdfb6e6 | 60 | |
338b1bb2 JR |
61 | static COORD cursor_coords; |
62 | static HANDLE prev_screen, cur_screen; | |
63 | static WORD char_attr_normal; | |
b56ceb92 | 64 | static DWORD prev_console_mode; |
6cdfb6e6 | 65 | |
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 | ||
99 | /* Clear from cursor to end of screen. */ | |
4fdbdbbd | 100 | static void |
1c30a66f | 101 | w32con_clear_to_end (struct frame *f) |
6cdfb6e6 | 102 | { |
1c30a66f JR |
103 | w32con_clear_end_of_line (f, FRAME_COLS (f) - 1); |
104 | w32con_ins_del_lines (f, cursor_coords.Y, FRAME_LINES (f) - cursor_coords.Y - 1); | |
6cdfb6e6 RS |
105 | } |
106 | ||
107 | /* Clear the frame. */ | |
7cb010ed | 108 | static void |
1c30a66f | 109 | w32con_clear_frame (struct frame *f) |
6cdfb6e6 | 110 | { |
b47278e1 | 111 | COORD dest; |
84f5bd81 AI |
112 | int n; |
113 | DWORD r; | |
a5404e3a AI |
114 | CONSOLE_SCREEN_BUFFER_INFO info; |
115 | ||
116 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 117 | |
a5404e3a | 118 | /* Remember that the screen buffer might be wider than the window. */ |
90022f5a | 119 | n = FRAME_LINES (f) * info.dwSize.X; |
b47278e1 GV |
120 | dest.X = dest.Y = 0; |
121 | ||
338b1bb2 | 122 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
123 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
124 | ||
1c30a66f | 125 | w32con_move_cursor (f, 0, 0); |
6cdfb6e6 RS |
126 | } |
127 | ||
128 | ||
8c2ac482 | 129 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
130 | static BOOL ceol_initialized = FALSE; |
131 | ||
132 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
7cb010ed | 133 | static void |
1c30a66f | 134 | w32con_clear_end_of_line (struct frame *f, int end) |
6cdfb6e6 RS |
135 | { |
136 | if (!ceol_initialized) | |
137 | { | |
138 | int i; | |
139 | for (i = 0; i < 256; i++) | |
140 | { | |
8c2ac482 | 141 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
142 | } |
143 | ceol_initialized = TRUE; | |
144 | } | |
1c30a66f | 145 | w32con_write_glyphs (f, glyph_base, end - cursor_coords.X); /* fencepost ? */ |
6cdfb6e6 RS |
146 | } |
147 | ||
148 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
7cb010ed | 149 | static void |
1c30a66f | 150 | w32con_ins_del_lines (struct frame *f, int vpos, int n) |
6cdfb6e6 | 151 | { |
e850a615 | 152 | int i, nb; |
6cdfb6e6 | 153 | SMALL_RECT scroll; |
09320d30 | 154 | SMALL_RECT clip; |
6cdfb6e6 RS |
155 | COORD dest; |
156 | CHAR_INFO fill; | |
6cdfb6e6 RS |
157 | |
158 | if (n < 0) | |
159 | { | |
160 | scroll.Top = vpos - n; | |
90022f5a | 161 | scroll.Bottom = FRAME_LINES (f); |
6cdfb6e6 RS |
162 | dest.Y = vpos; |
163 | } | |
164 | else | |
165 | { | |
166 | scroll.Top = vpos; | |
90022f5a | 167 | scroll.Bottom = FRAME_LINES (f) - n; |
6cdfb6e6 RS |
168 | dest.Y = vpos + n; |
169 | } | |
09320d30 JR |
170 | clip.Top = clip.Left = scroll.Left = 0; |
171 | clip.Right = scroll.Right = FRAME_COLS (f); | |
172 | clip.Bottom = FRAME_LINES (f); | |
177c0ea7 | 173 | |
6cdfb6e6 | 174 | dest.X = 0; |
177c0ea7 | 175 | |
6cdfb6e6 | 176 | fill.Char.AsciiChar = 0x20; |
338b1bb2 | 177 | fill.Attributes = char_attr_normal; |
177c0ea7 | 178 | |
09320d30 | 179 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 | 180 | |
fbd6baed | 181 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
182 | region looks like abc and we scroll c to a and fill with d we get |
183 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
184 | Emacs expects cdd consistently... So we have to deal with that | |
185 | here... (this also occurs scrolling the same way in the other | |
186 | direction. */ | |
187 | ||
188 | if (n > 0) | |
189 | { | |
190 | if (scroll.Bottom < dest.Y) | |
191 | { | |
192 | for (i = scroll.Bottom; i < dest.Y; i++) | |
193 | { | |
1c30a66f JR |
194 | w32con_move_cursor (f, i, 0); |
195 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
196 | } |
197 | } | |
198 | } | |
199 | else | |
200 | { | |
201 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
202 | ||
203 | if (nb < scroll.Top) | |
177c0ea7 | 204 | { |
6cdfb6e6 RS |
205 | for (i = nb; i < scroll.Top; i++) |
206 | { | |
1c30a66f JR |
207 | w32con_move_cursor (f, i, 0); |
208 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
209 | } |
210 | } | |
211 | } | |
177c0ea7 | 212 | |
6cdfb6e6 RS |
213 | cursor_coords.X = 0; |
214 | cursor_coords.Y = vpos; | |
6cdfb6e6 RS |
215 | } |
216 | ||
217 | #undef LEFT | |
218 | #undef RIGHT | |
219 | #define LEFT 1 | |
220 | #define RIGHT 0 | |
221 | ||
4fdbdbbd | 222 | static void |
1c30a66f | 223 | scroll_line (struct frame *f, int dist, int direction) |
6cdfb6e6 RS |
224 | { |
225 | /* The idea here is to implement a horizontal scroll in one line to | |
226 | implement delete and half of insert. */ | |
09320d30 | 227 | SMALL_RECT scroll, clip; |
6cdfb6e6 RS |
228 | COORD dest; |
229 | CHAR_INFO fill; | |
177c0ea7 | 230 | |
09320d30 JR |
231 | clip.Top = scroll.Top = clip.Bottom = scroll.Bottom = cursor_coords.Y; |
232 | clip.Left = 0; | |
233 | clip.Right = FRAME_COLS (f); | |
177c0ea7 | 234 | |
6cdfb6e6 RS |
235 | if (direction == LEFT) |
236 | { | |
237 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 238 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
239 | } |
240 | else | |
241 | { | |
242 | scroll.Left = cursor_coords.X; | |
90022f5a | 243 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 244 | } |
177c0ea7 | 245 | |
6cdfb6e6 RS |
246 | dest.X = cursor_coords.X; |
247 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 248 | |
6cdfb6e6 | 249 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
250 | fill.Attributes = char_attr_normal; |
251 | ||
09320d30 | 252 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 RS |
253 | } |
254 | ||
255 | ||
256 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 257 | static void |
b56ceb92 JB |
258 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, |
259 | register int len) | |
6cdfb6e6 | 260 | { |
1c30a66f | 261 | scroll_line (f, len, RIGHT); |
6cdfb6e6 RS |
262 | |
263 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
264 | if (start) | |
265 | { | |
266 | /* Print the first len characters of start, cursor_coords.X adjusted | |
267 | by write_glyphs. */ | |
177c0ea7 | 268 | |
1c30a66f | 269 | w32con_write_glyphs (f, start, len); |
6cdfb6e6 RS |
270 | } |
271 | else | |
272 | { | |
1c30a66f | 273 | w32con_clear_end_of_line (f, cursor_coords.X + len); |
6cdfb6e6 RS |
274 | } |
275 | } | |
276 | ||
7cb010ed | 277 | static void |
1c30a66f JR |
278 | w32con_write_glyphs (struct frame *f, register struct glyph *string, |
279 | register int len) | |
6cdfb6e6 | 280 | { |
84f5bd81 | 281 | DWORD r; |
338b1bb2 | 282 | WORD char_attr; |
aee31bf1 KH |
283 | unsigned char *conversion_buffer; |
284 | struct coding_system *coding; | |
338b1bb2 JR |
285 | |
286 | if (len <= 0) | |
287 | return; | |
b47278e1 | 288 | |
aee31bf1 KH |
289 | /* If terminal_coding does any conversion, use it, otherwise use |
290 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
291 | because it always return 1 if the member src_multibyte is 1. */ | |
1c30a66f JR |
292 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
293 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
8c2ac482 JR |
294 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
295 | the tail. */ | |
1c30a66f | 296 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
6cdfb6e6 | 297 | |
8c2ac482 | 298 | while (len > 0) |
6cdfb6e6 | 299 | { |
8c2ac482 JR |
300 | /* Identify a run of glyphs with the same face. */ |
301 | int face_id = string->face_id; | |
302 | int n; | |
177c0ea7 | 303 | |
8c2ac482 JR |
304 | for (n = 1; n < len; ++n) |
305 | if (string[n].face_id != face_id) | |
306 | break; | |
307 | ||
308 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 309 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 | 310 | |
aee31bf1 KH |
311 | if (n == len) |
312 | /* This is the last run. */ | |
313 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
314 | conversion_buffer = encode_terminal_code (string, n, coding); | |
315 | if (coding->produced > 0) | |
316 | { | |
317 | /* Set the attribute for these characters. */ | |
318 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
319 | coding->produced, cursor_coords, | |
320 | &r)) | |
8c2ac482 | 321 | { |
aee31bf1 KH |
322 | printf ("Failed writing console attributes: %d\n", |
323 | GetLastError ()); | |
324 | fflush (stdout); | |
325 | } | |
326 | ||
327 | /* Write the characters. */ | |
56cc8ca9 | 328 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, |
aee31bf1 KH |
329 | coding->produced, cursor_coords, |
330 | &r)) | |
331 | { | |
332 | printf ("Failed writing console characters: %d\n", | |
333 | GetLastError ()); | |
334 | fflush (stdout); | |
335 | } | |
336 | ||
337 | cursor_coords.X += coding->produced; | |
1c30a66f | 338 | w32con_move_cursor (f, cursor_coords.Y, cursor_coords.X); |
aee31bf1 KH |
339 | } |
340 | len -= n; | |
341 | string += n; | |
6cdfb6e6 | 342 | } |
6cdfb6e6 RS |
343 | } |
344 | ||
eb3f6f01 EZ |
345 | /* Used for mouse highlight. */ |
346 | static void | |
347 | w32con_write_glyphs_with_face (struct frame *f, register int x, register int y, | |
348 | register struct glyph *string, register int len, | |
349 | register int face_id) | |
350 | { | |
351 | unsigned char *conversion_buffer; | |
352 | struct coding_system *coding; | |
353 | ||
354 | if (len <= 0) | |
355 | return; | |
356 | ||
357 | /* If terminal_coding does any conversion, use it, otherwise use | |
358 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
359 | because it always return 1 if the member src_multibyte is 1. */ | |
360 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK | |
361 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
362 | /* We are going to write the entire block of glyphs in one go, as | |
363 | they all have the same face. So this _is_ the last block. */ | |
364 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
365 | ||
366 | conversion_buffer = encode_terminal_code (string, len, coding); | |
367 | if (coding->produced > 0) | |
368 | { | |
369 | DWORD filled, written; | |
370 | /* Compute the character attributes corresponding to the face. */ | |
371 | DWORD char_attr = w32_face_attributes (f, face_id); | |
372 | COORD start_coords; | |
373 | ||
374 | start_coords.X = x; | |
375 | start_coords.Y = y; | |
376 | /* Set the attribute for these characters. */ | |
377 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
378 | coding->produced, start_coords, | |
379 | &filled)) | |
380 | DebPrint (("Failed writing console attributes: %d\n", GetLastError ())); | |
381 | else | |
382 | { | |
383 | /* Write the characters. */ | |
384 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, | |
385 | filled, start_coords, &written)) | |
386 | DebPrint (("Failed writing console characters: %d\n", | |
387 | GetLastError ())); | |
388 | } | |
389 | } | |
390 | } | |
391 | ||
392 | /* Implementation of draw_row_with_mouse_face for W32 console. */ | |
393 | void | |
394 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
395 | int start_hpos, int end_hpos, | |
396 | enum draw_glyphs_face draw) | |
397 | { | |
398 | int nglyphs = end_hpos - start_hpos; | |
399 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
400 | struct tty_display_info *tty = FRAME_TTY (f); | |
401 | int face_id = tty->mouse_highlight.mouse_face_face_id; | |
402 | int pos_x, pos_y; | |
403 | ||
404 | if (end_hpos >= row->used[TEXT_AREA]) | |
405 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
406 | ||
407 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
408 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
409 | ||
410 | if (draw == DRAW_MOUSE_FACE) | |
411 | w32con_write_glyphs_with_face (f, pos_x, pos_y, | |
412 | row->glyphs[TEXT_AREA] + start_hpos, | |
413 | nglyphs, face_id); | |
414 | else if (draw == DRAW_NORMAL_TEXT) | |
415 | { | |
416 | COORD save_coords = cursor_coords; | |
417 | ||
418 | w32con_move_cursor (f, pos_y, pos_x); | |
419 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
420 | w32con_move_cursor (f, save_coords.Y, save_coords.X); | |
421 | } | |
422 | } | |
8c2ac482 | 423 | |
7cb010ed | 424 | static void |
1c30a66f | 425 | w32con_delete_glyphs (struct frame *f, int n) |
6cdfb6e6 | 426 | { |
177c0ea7 JB |
427 | /* delete chars means scroll chars from cursor_coords.X + n to |
428 | cursor_coords.X, anything beyond the edge of the screen should | |
6cdfb6e6 RS |
429 | come out empty... */ |
430 | ||
1c30a66f | 431 | scroll_line (f, n, LEFT); |
6cdfb6e6 RS |
432 | } |
433 | ||
177c0ea7 | 434 | |
7cb010ed | 435 | static void |
1c30a66f | 436 | w32con_reset_terminal_modes (struct terminal *t) |
6cdfb6e6 | 437 | { |
09320d30 JR |
438 | COORD dest; |
439 | CONSOLE_SCREEN_BUFFER_INFO info; | |
440 | int n; | |
441 | DWORD r; | |
442 | ||
443 | /* Clear the complete screen buffer. This is required because Emacs | |
444 | sets the cursor position to the top of the buffer, but there might | |
445 | be other output below the bottom of the Emacs frame if the screen buffer | |
446 | is larger than the window size. */ | |
447 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
448 | dest.X = 0; | |
449 | dest.Y = 0; | |
450 | n = info.dwSize.X * info.dwSize.Y; | |
451 | ||
452 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); | |
453 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
454 | /* Now that the screen is clear, put the cursor at the top. */ | |
455 | SetConsoleCursorPosition (cur_screen, dest); | |
b56ceb92 | 456 | |
3e671d90 | 457 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 458 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
459 | #else |
460 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
461 | #endif | |
09320d30 | 462 | |
3e671d90 | 463 | SetConsoleMode (keyboard_handle, prev_console_mode); |
6cdfb6e6 RS |
464 | } |
465 | ||
7cb010ed | 466 | static void |
1c30a66f | 467 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
468 | { |
469 | CONSOLE_CURSOR_INFO cci; | |
470 | ||
b46a6a83 | 471 | /* make cursor big and visible (100 on Windows 95 makes it disappear) */ |
3e671d90 GV |
472 | cci.dwSize = 99; |
473 | cci.bVisible = TRUE; | |
474 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 475 | |
3e671d90 | 476 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 477 | |
3e671d90 | 478 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 479 | |
3e671d90 GV |
480 | /* Initialize input mode: interrupt_input off, no flow control, allow |
481 | 8 bit character input, standard quit char. */ | |
482 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
483 | } |
484 | ||
485 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
486 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 487 | |
6cdfb6e6 | 488 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
489 | static void |
490 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
491 | { |
492 | } | |
493 | ||
7cb010ed JR |
494 | static void |
495 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
496 | { |
497 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
498 | } | |
499 | ||
7cb010ed | 500 | static void |
1c30a66f | 501 | w32con_set_terminal_window (struct frame *f, int size) |
6cdfb6e6 RS |
502 | { |
503 | } | |
504 | ||
91eac4bb JB |
505 | /*********************************************************************** |
506 | stubs from termcap.c | |
507 | ***********************************************************************/ | |
508 | ||
509 | void | |
ed3751c8 | 510 | sys_tputs (char *str, int nlines, int (*outfun) (int)) |
91eac4bb JB |
511 | { |
512 | } | |
513 | ||
514 | char * | |
515 | sys_tgetstr (char *cap, char **area) | |
516 | { | |
517 | return NULL; | |
518 | } | |
519 | ||
520 | ||
521 | /*********************************************************************** | |
522 | stubs from cm.c | |
523 | ***********************************************************************/ | |
524 | ||
525 | struct tty_display_info *current_tty = NULL; | |
526 | int cost = 0; | |
527 | ||
528 | int | |
b56ceb92 | 529 | evalcost (int c) |
91eac4bb JB |
530 | { |
531 | return c; | |
532 | } | |
533 | ||
534 | int | |
b56ceb92 | 535 | cmputc (int c) |
91eac4bb JB |
536 | { |
537 | return c; | |
538 | } | |
539 | ||
540 | void | |
541 | cmcheckmagic (struct tty_display_info *tty) | |
542 | { | |
543 | } | |
544 | ||
545 | void | |
546 | cmcostinit (struct tty_display_info *tty) | |
547 | { | |
548 | } | |
549 | ||
550 | void | |
551 | cmgoto (struct tty_display_info *tty, int row, int col) | |
552 | { | |
553 | } | |
554 | ||
555 | void | |
556 | Wcm_clear (struct tty_display_info *tty) | |
557 | { | |
558 | } | |
559 | ||
560 | ||
8c2ac482 JR |
561 | /*********************************************************************** |
562 | Faces | |
563 | ***********************************************************************/ | |
564 | ||
565 | ||
566 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
567 | ||
338b1bb2 | 568 | static WORD |
b56ceb92 | 569 | w32_face_attributes (struct frame *f, int face_id) |
8c2ac482 | 570 | { |
338b1bb2 | 571 | WORD char_attr; |
8c2ac482 JR |
572 | struct face *face = FACE_FROM_ID (f, face_id); |
573 | ||
a54e2c05 | 574 | eassert (face != NULL); |
8c2ac482 JR |
575 | |
576 | char_attr = char_attr_normal; | |
577 | ||
f442d348 JR |
578 | /* Reverse the default color if requested. If background and |
579 | foreground are specified, then they have been reversed already. */ | |
e850a615 | 580 | if (face->tty_reverse_p) |
338b1bb2 JR |
581 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
582 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 583 | |
b510360c | 584 | /* Before the terminal is properly initialized, all colors map to 0. |
f442d348 | 585 | Don't try to resolve them. */ |
b510360c | 586 | if (NILP (Vtty_defined_color_alist)) |
f442d348 | 587 | return char_attr; |
8c2ac482 | 588 | |
30b7f3e6 JR |
589 | /* Colors should be in the range 0...15 unless they are one of |
590 | FACE_TTY_DEFAULT_COLOR, FACE_TTY_DEFAULT_FG_COLOR or | |
591 | FACE_TTY_DEFAULT_BG_COLOR. Other out of range colors are | |
592 | invalid, so it is better to use the default color if they ever | |
593 | get through to here. */ | |
594 | if (face->foreground >= 0 && face->foreground < 16) | |
f442d348 | 595 | char_attr = (char_attr & 0xfff0) + face->foreground; |
8c2ac482 | 596 | |
30b7f3e6 | 597 | if (face->background >= 0 && face->background < 16) |
f442d348 | 598 | char_attr = (char_attr & 0xff0f) + (face->background << 4); |
8c2ac482 | 599 | |
338b1bb2 | 600 | return char_attr; |
8c2ac482 | 601 | } |
8c2ac482 | 602 | |
6cdfb6e6 | 603 | void |
9337e206 | 604 | initialize_w32_display (struct terminal *term, int *width, int *height) |
6cdfb6e6 RS |
605 | { |
606 | CONSOLE_SCREEN_BUFFER_INFO info; | |
eb3f6f01 | 607 | Mouse_HLInfo *hlinfo; |
177c0ea7 | 608 | |
9b8f0fc3 | 609 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f | 610 | term->cursor_to_hook = w32con_move_cursor; |
b56ceb92 JB |
611 | term->raw_cursor_to_hook = w32con_move_cursor; |
612 | term->clear_to_end_hook = w32con_clear_to_end; | |
613 | term->clear_frame_hook = w32con_clear_frame; | |
1c30a66f | 614 | term->clear_end_of_line_hook = w32con_clear_end_of_line; |
b56ceb92 JB |
615 | term->ins_del_lines_hook = w32con_ins_del_lines; |
616 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
617 | term->write_glyphs_hook = w32con_write_glyphs; | |
618 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
1c30a66f | 619 | term->ring_bell_hook = w32_sys_ring_bell; |
b56ceb92 | 620 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; |
1c30a66f | 621 | term->set_terminal_modes_hook = w32con_set_terminal_modes; |
b56ceb92 JB |
622 | term->set_terminal_window_hook = w32con_set_terminal_window; |
623 | term->update_begin_hook = w32con_update_begin; | |
1c30a66f JR |
624 | term->update_end_hook = w32con_update_end; |
625 | ||
626 | term->read_socket_hook = w32_console_read_socket; | |
627 | term->mouse_position_hook = w32_console_mouse_position; | |
3e671d90 | 628 | |
9b8f0fc3 JR |
629 | /* The following are not used on the console. */ |
630 | term->frame_rehighlight_hook = 0; | |
631 | term->frame_raise_lower_hook = 0; | |
632 | term->set_vertical_scroll_bar_hook = 0; | |
633 | term->condemn_scroll_bars_hook = 0; | |
634 | term->redeem_scroll_bar_hook = 0; | |
635 | term->judge_scroll_bars_hook = 0; | |
636 | term->frame_up_to_date_hook = 0; | |
3e671d90 | 637 | |
eb3f6f01 | 638 | /* Initialize the mouse-highlight data. */ |
9fed9729 | 639 | reset_mouse_highlight (&term->display_info.tty->mouse_highlight); |
eb3f6f01 | 640 | |
c1e06681 AI |
641 | /* Initialize interrupt_handle. */ |
642 | init_crit (); | |
643 | ||
3e671d90 GV |
644 | /* Remember original console settings. */ |
645 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
646 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
647 | ||
6cdfb6e6 | 648 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 649 | |
3e671d90 GV |
650 | #ifdef USE_SEPARATE_SCREEN |
651 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
652 | 0, NULL, | |
653 | CONSOLE_TEXTMODE_BUFFER, | |
654 | NULL); | |
655 | ||
656 | if (cur_screen == INVALID_HANDLE_VALUE) | |
657 | { | |
658 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
659 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
660 | fflush (stdout); | |
661 | exit (0); | |
662 | } | |
663 | #else | |
664 | cur_screen = prev_screen; | |
665 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
666 | #endif | |
667 | ||
191100f2 AI |
668 | /* Respect setting of LINES and COLUMNS environment variables. */ |
669 | { | |
ed3751c8 JB |
670 | char * lines = getenv ("LINES"); |
671 | char * columns = getenv ("COLUMNS"); | |
191100f2 AI |
672 | |
673 | if (lines != NULL && columns != NULL) | |
674 | { | |
675 | SMALL_RECT new_win_dims; | |
676 | COORD new_size; | |
677 | ||
678 | new_size.X = atoi (columns); | |
679 | new_size.Y = atoi (lines); | |
680 | ||
681 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
682 | ||
683 | /* Shrink the window first, so the buffer dimensions can be | |
684 | reduced if necessary. */ | |
685 | new_win_dims.Top = 0; | |
686 | new_win_dims.Left = 0; | |
687 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
688 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
689 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
690 | ||
691 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
692 | ||
693 | /* Set the window size to match the buffer dimension. */ | |
694 | new_win_dims.Top = 0; | |
695 | new_win_dims.Left = 0; | |
696 | new_win_dims.Bottom = new_size.Y - 1; | |
697 | new_win_dims.Right = new_size.X - 1; | |
698 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
699 | } | |
700 | } | |
701 | ||
6cdfb6e6 | 702 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 703 | |
338b1bb2 | 704 | char_attr_normal = info.wAttributes; |
938469f2 | 705 | |
3fb1d72b JR |
706 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
707 | is realistic. Old MS Telnet servers used to only fill out | |
708 | the dwSize portion, even modern one fill the whole struct with | |
709 | garbage when using non-MS telnet clients. */ | |
710 | if ((w32_use_full_screen_buffer | |
711 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
712 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
713 | || (!w32_use_full_screen_buffer | |
714 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
715 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
716 | || info.srWindow.Right - info.srWindow.Left < 40 | |
717 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
718 | { | |
9337e206 EZ |
719 | *height = 25; |
720 | *width = 80; | |
3fb1d72b JR |
721 | } |
722 | ||
723 | else if (w32_use_full_screen_buffer) | |
191100f2 | 724 | { |
9337e206 EZ |
725 | *height = info.dwSize.Y; /* lines per page */ |
726 | *width = info.dwSize.X; /* characters per line */ | |
191100f2 AI |
727 | } |
728 | else | |
729 | { | |
730 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
9337e206 | 731 | *height = 1 + info.srWindow.Bottom - info.srWindow.Top; |
191100f2 | 732 | /* Characters per line. Use buffer coords instead of buffer size. */ |
9337e206 | 733 | *width = 1 + info.srWindow.Right - info.srWindow.Left; |
191100f2 | 734 | } |
65fb143c | 735 | |
01bd1b0d EZ |
736 | if (os_subtype == OS_NT) |
737 | w32_console_unicode_input = 1; | |
738 | else | |
739 | w32_console_unicode_input = 0; | |
740 | ||
977c6479 EZ |
741 | /* This is needed by w32notify.c:send_notifications. */ |
742 | dwMainThreadId = GetCurrentThreadId (); | |
743 | ||
65fb143c JR |
744 | /* Setup w32_display_info structure for this frame. */ |
745 | ||
746 | w32_initialize_display_info (build_string ("Console")); | |
747 | ||
6cdfb6e6 RS |
748 | } |
749 | ||
1c30a66f | 750 | |
6cdfb6e6 | 751 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
b0512a1d EZ |
752 | doc: /* Set screen foreground and background colors. |
753 | ||
754 | Arguments should be indices between 0 and 15, see w32console.el. */) | |
5842a27b | 755 | (Lisp_Object foreground, Lisp_Object background) |
6cdfb6e6 RS |
756 | { |
757 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
758 | |
759 | Frecenter (Qnil); | |
760 | return Qt; | |
761 | } | |
762 | ||
b0512a1d EZ |
763 | DEFUN ("get-screen-color", Fget_screen_color, Sget_screen_color, 0, 0, 0, |
764 | doc: /* Get color indices of the current screen foreground and background. | |
765 | ||
766 | The colors are returned as a list of 2 indices (FOREGROUND BACKGROUND). | |
767 | See w32console.el and `tty-defined-color-alist' for mapping of indices | |
768 | to colors. */) | |
769 | (void) | |
770 | { | |
771 | return Fcons (make_number (char_attr_normal & 0x000f), | |
772 | Fcons (make_number ((char_attr_normal >> 4) & 0x000f), Qnil)); | |
773 | } | |
774 | ||
6cdfb6e6 | 775 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, |
33f09670 | 776 | doc: /* Set cursor size. */) |
5842a27b | 777 | (Lisp_Object size) |
6cdfb6e6 RS |
778 | { |
779 | CONSOLE_CURSOR_INFO cci; | |
780 | cci.dwSize = XFASTINT (size); | |
781 | cci.bVisible = TRUE; | |
782 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 783 | |
6cdfb6e6 RS |
784 | return Qt; |
785 | } | |
786 | ||
0534d577 | 787 | void |
b56ceb92 | 788 | syms_of_ntterm (void) |
6cdfb6e6 | 789 | { |
191100f2 | 790 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
29208e82 | 791 | w32_use_full_screen_buffer, |
33f09670 | 792 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 793 | This is desirable when running Emacs over telnet. |
33f09670 | 794 | A value of nil means use the current console window dimensions; this |
e1dbe924 | 795 | may be preferable when working directly at the console with a large |
33f09670 | 796 | scroll-back buffer. */); |
3fb1d72b | 797 | w32_use_full_screen_buffer = 0; |
191100f2 | 798 | |
6cdfb6e6 | 799 | defsubr (&Sset_screen_color); |
b0512a1d | 800 | defsubr (&Sget_screen_color); |
6cdfb6e6 RS |
801 | defsubr (&Sset_cursor_size); |
802 | } |