Commit | Line | Data |
---|---|---|
b46a6a83 | 1 | /* Terminal hooks for GNU Emacs on the Microsoft Windows API. |
ba318903 | 2 | Copyright (C) 1992, 1999, 2001-2014 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" | |
5dff48b0 | 39 | #include "menu.h" /* for tty_menu_show */ |
0fda9b75 | 40 | #include "w32term.h" |
5dff48b0 | 41 | #include "w32common.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); | |
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 | |
28a16449 | 66 | static CONSOLE_CURSOR_INFO console_cursor_info; |
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 | ||
28a16449 EZ |
100 | void |
101 | w32con_hide_cursor (void) | |
102 | { | |
103 | GetConsoleCursorInfo (cur_screen, &console_cursor_info); | |
104 | console_cursor_info.bVisible = FALSE; | |
105 | SetConsoleCursorInfo (cur_screen, &console_cursor_info); | |
106 | } | |
107 | ||
108 | void | |
109 | w32con_show_cursor (void) | |
110 | { | |
111 | GetConsoleCursorInfo (cur_screen, &console_cursor_info); | |
112 | console_cursor_info.bVisible = TRUE; | |
113 | SetConsoleCursorInfo (cur_screen, &console_cursor_info); | |
114 | } | |
115 | ||
6cdfb6e6 | 116 | /* Clear from cursor to end of screen. */ |
4fdbdbbd | 117 | static void |
1c30a66f | 118 | w32con_clear_to_end (struct frame *f) |
6cdfb6e6 | 119 | { |
1c30a66f JR |
120 | w32con_clear_end_of_line (f, FRAME_COLS (f) - 1); |
121 | w32con_ins_del_lines (f, cursor_coords.Y, FRAME_LINES (f) - cursor_coords.Y - 1); | |
6cdfb6e6 RS |
122 | } |
123 | ||
124 | /* Clear the frame. */ | |
7cb010ed | 125 | static void |
1c30a66f | 126 | w32con_clear_frame (struct frame *f) |
6cdfb6e6 | 127 | { |
b47278e1 | 128 | COORD dest; |
84f5bd81 AI |
129 | int n; |
130 | DWORD r; | |
a5404e3a AI |
131 | CONSOLE_SCREEN_BUFFER_INFO info; |
132 | ||
133 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
b47278e1 | 134 | |
a5404e3a | 135 | /* Remember that the screen buffer might be wider than the window. */ |
90022f5a | 136 | n = FRAME_LINES (f) * info.dwSize.X; |
b47278e1 GV |
137 | dest.X = dest.Y = 0; |
138 | ||
338b1bb2 | 139 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); |
b47278e1 GV |
140 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); |
141 | ||
1c30a66f | 142 | w32con_move_cursor (f, 0, 0); |
6cdfb6e6 RS |
143 | } |
144 | ||
145 | ||
8c2ac482 | 146 | static struct glyph glyph_base[256]; |
6cdfb6e6 RS |
147 | static BOOL ceol_initialized = FALSE; |
148 | ||
149 | /* Clear from Cursor to end (what's "standout marker"?). */ | |
7cb010ed | 150 | static void |
1c30a66f | 151 | w32con_clear_end_of_line (struct frame *f, int end) |
6cdfb6e6 RS |
152 | { |
153 | if (!ceol_initialized) | |
154 | { | |
155 | int i; | |
156 | for (i = 0; i < 256; i++) | |
157 | { | |
8c2ac482 | 158 | memcpy (&glyph_base[i], &space_glyph, sizeof (struct glyph)); |
6cdfb6e6 RS |
159 | } |
160 | ceol_initialized = TRUE; | |
161 | } | |
1c30a66f | 162 | w32con_write_glyphs (f, glyph_base, end - cursor_coords.X); /* fencepost ? */ |
6cdfb6e6 RS |
163 | } |
164 | ||
165 | /* Insert n lines at vpos. if n is negative delete -n lines. */ | |
7cb010ed | 166 | static void |
1c30a66f | 167 | w32con_ins_del_lines (struct frame *f, int vpos, int n) |
6cdfb6e6 | 168 | { |
e850a615 | 169 | int i, nb; |
6cdfb6e6 | 170 | SMALL_RECT scroll; |
09320d30 | 171 | SMALL_RECT clip; |
6cdfb6e6 RS |
172 | COORD dest; |
173 | CHAR_INFO fill; | |
6cdfb6e6 RS |
174 | |
175 | if (n < 0) | |
176 | { | |
177 | scroll.Top = vpos - n; | |
90022f5a | 178 | scroll.Bottom = FRAME_LINES (f); |
6cdfb6e6 RS |
179 | dest.Y = vpos; |
180 | } | |
181 | else | |
182 | { | |
183 | scroll.Top = vpos; | |
90022f5a | 184 | scroll.Bottom = FRAME_LINES (f) - n; |
6cdfb6e6 RS |
185 | dest.Y = vpos + n; |
186 | } | |
09320d30 JR |
187 | clip.Top = clip.Left = scroll.Left = 0; |
188 | clip.Right = scroll.Right = FRAME_COLS (f); | |
189 | clip.Bottom = FRAME_LINES (f); | |
177c0ea7 | 190 | |
6cdfb6e6 | 191 | dest.X = 0; |
177c0ea7 | 192 | |
6cdfb6e6 | 193 | fill.Char.AsciiChar = 0x20; |
338b1bb2 | 194 | fill.Attributes = char_attr_normal; |
177c0ea7 | 195 | |
09320d30 | 196 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 | 197 | |
fbd6baed | 198 | /* Here we have to deal with a w32 console flake: If the scroll |
6cdfb6e6 RS |
199 | region looks like abc and we scroll c to a and fill with d we get |
200 | cbd... if we scroll block c one line at a time to a, we get cdd... | |
201 | Emacs expects cdd consistently... So we have to deal with that | |
202 | here... (this also occurs scrolling the same way in the other | |
203 | direction. */ | |
204 | ||
205 | if (n > 0) | |
206 | { | |
207 | if (scroll.Bottom < dest.Y) | |
208 | { | |
209 | for (i = scroll.Bottom; i < dest.Y; i++) | |
210 | { | |
1c30a66f JR |
211 | w32con_move_cursor (f, i, 0); |
212 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
213 | } |
214 | } | |
215 | } | |
216 | else | |
217 | { | |
218 | nb = dest.Y + (scroll.Bottom - scroll.Top) + 1; | |
219 | ||
220 | if (nb < scroll.Top) | |
177c0ea7 | 221 | { |
6cdfb6e6 RS |
222 | for (i = nb; i < scroll.Top; i++) |
223 | { | |
1c30a66f JR |
224 | w32con_move_cursor (f, i, 0); |
225 | w32con_clear_end_of_line (f, FRAME_COLS (f)); | |
6cdfb6e6 RS |
226 | } |
227 | } | |
228 | } | |
177c0ea7 | 229 | |
6cdfb6e6 RS |
230 | cursor_coords.X = 0; |
231 | cursor_coords.Y = vpos; | |
6cdfb6e6 RS |
232 | } |
233 | ||
234 | #undef LEFT | |
235 | #undef RIGHT | |
236 | #define LEFT 1 | |
237 | #define RIGHT 0 | |
238 | ||
4fdbdbbd | 239 | static void |
1c30a66f | 240 | scroll_line (struct frame *f, int dist, int direction) |
6cdfb6e6 RS |
241 | { |
242 | /* The idea here is to implement a horizontal scroll in one line to | |
243 | implement delete and half of insert. */ | |
09320d30 | 244 | SMALL_RECT scroll, clip; |
6cdfb6e6 RS |
245 | COORD dest; |
246 | CHAR_INFO fill; | |
177c0ea7 | 247 | |
09320d30 JR |
248 | clip.Top = scroll.Top = clip.Bottom = scroll.Bottom = cursor_coords.Y; |
249 | clip.Left = 0; | |
250 | clip.Right = FRAME_COLS (f); | |
177c0ea7 | 251 | |
6cdfb6e6 RS |
252 | if (direction == LEFT) |
253 | { | |
254 | scroll.Left = cursor_coords.X + dist; | |
90022f5a | 255 | scroll.Right = FRAME_COLS (f) - 1; |
6cdfb6e6 RS |
256 | } |
257 | else | |
258 | { | |
259 | scroll.Left = cursor_coords.X; | |
90022f5a | 260 | scroll.Right = FRAME_COLS (f) - dist - 1; |
6cdfb6e6 | 261 | } |
177c0ea7 | 262 | |
6cdfb6e6 RS |
263 | dest.X = cursor_coords.X; |
264 | dest.Y = cursor_coords.Y; | |
177c0ea7 | 265 | |
6cdfb6e6 | 266 | fill.Char.AsciiChar = 0x20; |
338b1bb2 JR |
267 | fill.Attributes = char_attr_normal; |
268 | ||
09320d30 | 269 | ScrollConsoleScreenBuffer (cur_screen, &scroll, &clip, dest, &fill); |
6cdfb6e6 RS |
270 | } |
271 | ||
272 | ||
273 | /* If start is zero insert blanks instead of a string at start ?. */ | |
7cb010ed | 274 | static void |
b56ceb92 JB |
275 | w32con_insert_glyphs (struct frame *f, register struct glyph *start, |
276 | register int len) | |
6cdfb6e6 | 277 | { |
1c30a66f | 278 | scroll_line (f, len, RIGHT); |
6cdfb6e6 RS |
279 | |
280 | /* Move len chars to the right starting at cursor_coords, fill with blanks */ | |
281 | if (start) | |
282 | { | |
283 | /* Print the first len characters of start, cursor_coords.X adjusted | |
284 | by write_glyphs. */ | |
177c0ea7 | 285 | |
1c30a66f | 286 | w32con_write_glyphs (f, start, len); |
6cdfb6e6 RS |
287 | } |
288 | else | |
289 | { | |
1c30a66f | 290 | w32con_clear_end_of_line (f, cursor_coords.X + len); |
6cdfb6e6 RS |
291 | } |
292 | } | |
293 | ||
7cb010ed | 294 | static void |
1c30a66f JR |
295 | w32con_write_glyphs (struct frame *f, register struct glyph *string, |
296 | register int len) | |
6cdfb6e6 | 297 | { |
84f5bd81 | 298 | DWORD r; |
338b1bb2 | 299 | WORD char_attr; |
aee31bf1 KH |
300 | unsigned char *conversion_buffer; |
301 | struct coding_system *coding; | |
338b1bb2 JR |
302 | |
303 | if (len <= 0) | |
304 | return; | |
b47278e1 | 305 | |
aee31bf1 KH |
306 | /* If terminal_coding does any conversion, use it, otherwise use |
307 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
308 | because it always return 1 if the member src_multibyte is 1. */ | |
1c30a66f JR |
309 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK |
310 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
8c2ac482 JR |
311 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
312 | the tail. */ | |
1c30a66f | 313 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
6cdfb6e6 | 314 | |
8c2ac482 | 315 | while (len > 0) |
6cdfb6e6 | 316 | { |
8c2ac482 JR |
317 | /* Identify a run of glyphs with the same face. */ |
318 | int face_id = string->face_id; | |
319 | int n; | |
177c0ea7 | 320 | |
8c2ac482 JR |
321 | for (n = 1; n < len; ++n) |
322 | if (string[n].face_id != face_id) | |
323 | break; | |
324 | ||
325 | /* Turn appearance modes of the face of the run on. */ | |
338b1bb2 | 326 | char_attr = w32_face_attributes (f, face_id); |
8c2ac482 | 327 | |
aee31bf1 KH |
328 | if (n == len) |
329 | /* This is the last run. */ | |
330 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
331 | conversion_buffer = encode_terminal_code (string, n, coding); | |
332 | if (coding->produced > 0) | |
333 | { | |
334 | /* Set the attribute for these characters. */ | |
335 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
336 | coding->produced, cursor_coords, | |
337 | &r)) | |
8c2ac482 | 338 | { |
aee31bf1 KH |
339 | printf ("Failed writing console attributes: %d\n", |
340 | GetLastError ()); | |
341 | fflush (stdout); | |
342 | } | |
343 | ||
344 | /* Write the characters. */ | |
56cc8ca9 | 345 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, |
aee31bf1 KH |
346 | coding->produced, cursor_coords, |
347 | &r)) | |
348 | { | |
349 | printf ("Failed writing console characters: %d\n", | |
350 | GetLastError ()); | |
351 | fflush (stdout); | |
352 | } | |
353 | ||
354 | cursor_coords.X += coding->produced; | |
1c30a66f | 355 | w32con_move_cursor (f, cursor_coords.Y, cursor_coords.X); |
aee31bf1 KH |
356 | } |
357 | len -= n; | |
358 | string += n; | |
6cdfb6e6 | 359 | } |
6cdfb6e6 RS |
360 | } |
361 | ||
eb3f6f01 EZ |
362 | /* Used for mouse highlight. */ |
363 | static void | |
364 | w32con_write_glyphs_with_face (struct frame *f, register int x, register int y, | |
365 | register struct glyph *string, register int len, | |
366 | register int face_id) | |
367 | { | |
368 | unsigned char *conversion_buffer; | |
369 | struct coding_system *coding; | |
370 | ||
371 | if (len <= 0) | |
372 | return; | |
373 | ||
374 | /* If terminal_coding does any conversion, use it, otherwise use | |
375 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
376 | because it always return 1 if the member src_multibyte is 1. */ | |
377 | coding = (FRAME_TERMINAL_CODING (f)->common_flags & CODING_REQUIRE_ENCODING_MASK | |
378 | ? FRAME_TERMINAL_CODING (f) : &safe_terminal_coding); | |
379 | /* We are going to write the entire block of glyphs in one go, as | |
380 | they all have the same face. So this _is_ the last block. */ | |
381 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
382 | ||
383 | conversion_buffer = encode_terminal_code (string, len, coding); | |
384 | if (coding->produced > 0) | |
385 | { | |
386 | DWORD filled, written; | |
387 | /* Compute the character attributes corresponding to the face. */ | |
388 | DWORD char_attr = w32_face_attributes (f, face_id); | |
389 | COORD start_coords; | |
390 | ||
391 | start_coords.X = x; | |
392 | start_coords.Y = y; | |
393 | /* Set the attribute for these characters. */ | |
394 | if (!FillConsoleOutputAttribute (cur_screen, char_attr, | |
395 | coding->produced, start_coords, | |
396 | &filled)) | |
397 | DebPrint (("Failed writing console attributes: %d\n", GetLastError ())); | |
398 | else | |
399 | { | |
400 | /* Write the characters. */ | |
401 | if (!WriteConsoleOutputCharacter (cur_screen, conversion_buffer, | |
402 | filled, start_coords, &written)) | |
403 | DebPrint (("Failed writing console characters: %d\n", | |
404 | GetLastError ())); | |
405 | } | |
406 | } | |
407 | } | |
408 | ||
409 | /* Implementation of draw_row_with_mouse_face for W32 console. */ | |
410 | void | |
411 | tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row, | |
412 | int start_hpos, int end_hpos, | |
413 | enum draw_glyphs_face draw) | |
414 | { | |
415 | int nglyphs = end_hpos - start_hpos; | |
416 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
417 | struct tty_display_info *tty = FRAME_TTY (f); | |
418 | int face_id = tty->mouse_highlight.mouse_face_face_id; | |
419 | int pos_x, pos_y; | |
420 | ||
421 | if (end_hpos >= row->used[TEXT_AREA]) | |
422 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
423 | ||
424 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
425 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos + WINDOW_LEFT_EDGE_X (w); | |
426 | ||
427 | if (draw == DRAW_MOUSE_FACE) | |
428 | w32con_write_glyphs_with_face (f, pos_x, pos_y, | |
429 | row->glyphs[TEXT_AREA] + start_hpos, | |
430 | nglyphs, face_id); | |
431 | else if (draw == DRAW_NORMAL_TEXT) | |
432 | { | |
433 | COORD save_coords = cursor_coords; | |
434 | ||
435 | w32con_move_cursor (f, pos_y, pos_x); | |
436 | write_glyphs (f, row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
437 | w32con_move_cursor (f, save_coords.Y, save_coords.X); | |
438 | } | |
439 | } | |
8c2ac482 | 440 | |
7cb010ed | 441 | static void |
1c30a66f | 442 | w32con_delete_glyphs (struct frame *f, int n) |
6cdfb6e6 | 443 | { |
177c0ea7 JB |
444 | /* delete chars means scroll chars from cursor_coords.X + n to |
445 | cursor_coords.X, anything beyond the edge of the screen should | |
6cdfb6e6 RS |
446 | come out empty... */ |
447 | ||
1c30a66f | 448 | scroll_line (f, n, LEFT); |
6cdfb6e6 RS |
449 | } |
450 | ||
177c0ea7 | 451 | |
7cb010ed | 452 | static void |
1c30a66f | 453 | w32con_reset_terminal_modes (struct terminal *t) |
6cdfb6e6 | 454 | { |
09320d30 JR |
455 | COORD dest; |
456 | CONSOLE_SCREEN_BUFFER_INFO info; | |
457 | int n; | |
458 | DWORD r; | |
459 | ||
460 | /* Clear the complete screen buffer. This is required because Emacs | |
461 | sets the cursor position to the top of the buffer, but there might | |
462 | be other output below the bottom of the Emacs frame if the screen buffer | |
463 | is larger than the window size. */ | |
464 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
465 | dest.X = 0; | |
466 | dest.Y = 0; | |
467 | n = info.dwSize.X * info.dwSize.Y; | |
468 | ||
469 | FillConsoleOutputAttribute (cur_screen, char_attr_normal, n, dest, &r); | |
470 | FillConsoleOutputCharacter (cur_screen, ' ', n, dest, &r); | |
471 | /* Now that the screen is clear, put the cursor at the top. */ | |
472 | SetConsoleCursorPosition (cur_screen, dest); | |
b56ceb92 | 473 | |
3e671d90 | 474 | #ifdef USE_SEPARATE_SCREEN |
6cdfb6e6 | 475 | SetConsoleActiveScreenBuffer (prev_screen); |
3e671d90 GV |
476 | #else |
477 | SetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
478 | #endif | |
09320d30 | 479 | |
3e671d90 | 480 | SetConsoleMode (keyboard_handle, prev_console_mode); |
6cdfb6e6 RS |
481 | } |
482 | ||
7cb010ed | 483 | static void |
1c30a66f | 484 | w32con_set_terminal_modes (struct terminal *t) |
6cdfb6e6 RS |
485 | { |
486 | CONSOLE_CURSOR_INFO cci; | |
487 | ||
b46a6a83 | 488 | /* make cursor big and visible (100 on Windows 95 makes it disappear) */ |
3e671d90 GV |
489 | cci.dwSize = 99; |
490 | cci.bVisible = TRUE; | |
491 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
6cdfb6e6 | 492 | |
3e671d90 | 493 | SetConsoleActiveScreenBuffer (cur_screen); |
6cdfb6e6 | 494 | |
3e671d90 | 495 | SetConsoleMode (keyboard_handle, ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT); |
6cdfb6e6 | 496 | |
3e671d90 GV |
497 | /* Initialize input mode: interrupt_input off, no flow control, allow |
498 | 8 bit character input, standard quit char. */ | |
499 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
6cdfb6e6 RS |
500 | } |
501 | ||
502 | /* hmmm... perhaps these let us bracket screen changes so that we can flush | |
503 | clumps rather than one-character-at-a-time... | |
177c0ea7 | 504 | |
6cdfb6e6 | 505 | we'll start with not moving the cursor while an update is in progress. */ |
7cb010ed JR |
506 | static void |
507 | w32con_update_begin (struct frame * f) | |
6cdfb6e6 RS |
508 | { |
509 | } | |
510 | ||
7cb010ed JR |
511 | static void |
512 | w32con_update_end (struct frame * f) | |
6cdfb6e6 RS |
513 | { |
514 | SetConsoleCursorPosition (cur_screen, cursor_coords); | |
515 | } | |
516 | ||
91eac4bb JB |
517 | /*********************************************************************** |
518 | stubs from termcap.c | |
519 | ***********************************************************************/ | |
520 | ||
521 | void | |
ed3751c8 | 522 | sys_tputs (char *str, int nlines, int (*outfun) (int)) |
91eac4bb JB |
523 | { |
524 | } | |
525 | ||
526 | char * | |
527 | sys_tgetstr (char *cap, char **area) | |
528 | { | |
529 | return NULL; | |
530 | } | |
531 | ||
532 | ||
533 | /*********************************************************************** | |
534 | stubs from cm.c | |
535 | ***********************************************************************/ | |
536 | ||
537 | struct tty_display_info *current_tty = NULL; | |
538 | int cost = 0; | |
539 | ||
540 | int | |
b56ceb92 | 541 | evalcost (int c) |
91eac4bb JB |
542 | { |
543 | return c; | |
544 | } | |
545 | ||
546 | int | |
b56ceb92 | 547 | cmputc (int c) |
91eac4bb JB |
548 | { |
549 | return c; | |
550 | } | |
551 | ||
552 | void | |
553 | cmcheckmagic (struct tty_display_info *tty) | |
554 | { | |
555 | } | |
556 | ||
557 | void | |
558 | cmcostinit (struct tty_display_info *tty) | |
559 | { | |
560 | } | |
561 | ||
562 | void | |
563 | cmgoto (struct tty_display_info *tty, int row, int col) | |
564 | { | |
565 | } | |
566 | ||
567 | void | |
568 | Wcm_clear (struct tty_display_info *tty) | |
569 | { | |
570 | } | |
571 | ||
572 | ||
b5e9cbb6 | 573 | /* Report the current cursor position. The following two functions |
e7873136 EZ |
574 | are used in term.c's tty menu code, so they are not really |
575 | "stubs". */ | |
b5e9cbb6 | 576 | int |
e7873136 | 577 | cursorX (struct tty_display_info *tty) |
b5e9cbb6 EZ |
578 | { |
579 | return cursor_coords.X; | |
580 | } | |
581 | ||
582 | int | |
e7873136 | 583 | cursorY (struct tty_display_info *tty) |
b5e9cbb6 EZ |
584 | { |
585 | return cursor_coords.Y; | |
586 | } | |
587 | ||
8c2ac482 JR |
588 | /*********************************************************************** |
589 | Faces | |
590 | ***********************************************************************/ | |
591 | ||
592 | ||
593 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
594 | ||
338b1bb2 | 595 | static WORD |
b56ceb92 | 596 | w32_face_attributes (struct frame *f, int face_id) |
8c2ac482 | 597 | { |
338b1bb2 | 598 | WORD char_attr; |
8c2ac482 JR |
599 | struct face *face = FACE_FROM_ID (f, face_id); |
600 | ||
a54e2c05 | 601 | eassert (face != NULL); |
8c2ac482 JR |
602 | |
603 | char_attr = char_attr_normal; | |
604 | ||
f442d348 JR |
605 | /* Reverse the default color if requested. If background and |
606 | foreground are specified, then they have been reversed already. */ | |
e850a615 | 607 | if (face->tty_reverse_p) |
338b1bb2 JR |
608 | char_attr = (char_attr & 0xff00) + ((char_attr & 0x000f) << 4) |
609 | + ((char_attr & 0x00f0) >> 4); | |
8c2ac482 | 610 | |
b510360c | 611 | /* Before the terminal is properly initialized, all colors map to 0. |
f442d348 | 612 | Don't try to resolve them. */ |
b510360c | 613 | if (NILP (Vtty_defined_color_alist)) |
f442d348 | 614 | return char_attr; |
8c2ac482 | 615 | |
30b7f3e6 JR |
616 | /* Colors should be in the range 0...15 unless they are one of |
617 | FACE_TTY_DEFAULT_COLOR, FACE_TTY_DEFAULT_FG_COLOR or | |
618 | FACE_TTY_DEFAULT_BG_COLOR. Other out of range colors are | |
619 | invalid, so it is better to use the default color if they ever | |
620 | get through to here. */ | |
621 | if (face->foreground >= 0 && face->foreground < 16) | |
f442d348 | 622 | char_attr = (char_attr & 0xfff0) + face->foreground; |
8c2ac482 | 623 | |
30b7f3e6 | 624 | if (face->background >= 0 && face->background < 16) |
f442d348 | 625 | char_attr = (char_attr & 0xff0f) + (face->background << 4); |
8c2ac482 | 626 | |
338b1bb2 | 627 | return char_attr; |
8c2ac482 | 628 | } |
8c2ac482 | 629 | |
6cdfb6e6 | 630 | void |
9337e206 | 631 | initialize_w32_display (struct terminal *term, int *width, int *height) |
6cdfb6e6 RS |
632 | { |
633 | CONSOLE_SCREEN_BUFFER_INFO info; | |
177c0ea7 | 634 | |
9b8f0fc3 | 635 | term->rif = 0; /* No window based redisplay on the console. */ |
1c30a66f | 636 | term->cursor_to_hook = w32con_move_cursor; |
b56ceb92 JB |
637 | term->raw_cursor_to_hook = w32con_move_cursor; |
638 | term->clear_to_end_hook = w32con_clear_to_end; | |
639 | term->clear_frame_hook = w32con_clear_frame; | |
1c30a66f | 640 | term->clear_end_of_line_hook = w32con_clear_end_of_line; |
b56ceb92 JB |
641 | term->ins_del_lines_hook = w32con_ins_del_lines; |
642 | term->insert_glyphs_hook = w32con_insert_glyphs; | |
643 | term->write_glyphs_hook = w32con_write_glyphs; | |
644 | term->delete_glyphs_hook = w32con_delete_glyphs; | |
1c30a66f | 645 | term->ring_bell_hook = w32_sys_ring_bell; |
b56ceb92 | 646 | term->reset_terminal_modes_hook = w32con_reset_terminal_modes; |
1c30a66f | 647 | term->set_terminal_modes_hook = w32con_set_terminal_modes; |
0c7f856e | 648 | term->set_terminal_window_hook = NULL; |
b56ceb92 | 649 | term->update_begin_hook = w32con_update_begin; |
1c30a66f JR |
650 | term->update_end_hook = w32con_update_end; |
651 | ||
652 | term->read_socket_hook = w32_console_read_socket; | |
653 | term->mouse_position_hook = w32_console_mouse_position; | |
5dff48b0 | 654 | term->menu_show_hook = tty_menu_show; |
3e671d90 | 655 | |
9b8f0fc3 JR |
656 | /* The following are not used on the console. */ |
657 | term->frame_rehighlight_hook = 0; | |
658 | term->frame_raise_lower_hook = 0; | |
659 | term->set_vertical_scroll_bar_hook = 0; | |
660 | term->condemn_scroll_bars_hook = 0; | |
661 | term->redeem_scroll_bar_hook = 0; | |
662 | term->judge_scroll_bars_hook = 0; | |
663 | term->frame_up_to_date_hook = 0; | |
3e671d90 | 664 | |
eb3f6f01 | 665 | /* Initialize the mouse-highlight data. */ |
9fed9729 | 666 | reset_mouse_highlight (&term->display_info.tty->mouse_highlight); |
eb3f6f01 | 667 | |
c1e06681 AI |
668 | /* Initialize interrupt_handle. */ |
669 | init_crit (); | |
670 | ||
3e671d90 GV |
671 | /* Remember original console settings. */ |
672 | keyboard_handle = GetStdHandle (STD_INPUT_HANDLE); | |
673 | GetConsoleMode (keyboard_handle, &prev_console_mode); | |
674 | ||
6cdfb6e6 | 675 | prev_screen = GetStdHandle (STD_OUTPUT_HANDLE); |
177c0ea7 | 676 | |
3e671d90 GV |
677 | #ifdef USE_SEPARATE_SCREEN |
678 | cur_screen = CreateConsoleScreenBuffer (GENERIC_READ | GENERIC_WRITE, | |
679 | 0, NULL, | |
680 | CONSOLE_TEXTMODE_BUFFER, | |
681 | NULL); | |
682 | ||
683 | if (cur_screen == INVALID_HANDLE_VALUE) | |
684 | { | |
685 | printf ("CreateConsoleScreenBuffer failed in ResetTerm\n"); | |
686 | printf ("LastError = 0x%lx\n", GetLastError ()); | |
687 | fflush (stdout); | |
688 | exit (0); | |
689 | } | |
690 | #else | |
691 | cur_screen = prev_screen; | |
692 | GetConsoleCursorInfo (prev_screen, &prev_console_cursor); | |
693 | #endif | |
694 | ||
191100f2 AI |
695 | /* Respect setting of LINES and COLUMNS environment variables. */ |
696 | { | |
ed3751c8 JB |
697 | char * lines = getenv ("LINES"); |
698 | char * columns = getenv ("COLUMNS"); | |
191100f2 AI |
699 | |
700 | if (lines != NULL && columns != NULL) | |
701 | { | |
702 | SMALL_RECT new_win_dims; | |
703 | COORD new_size; | |
704 | ||
705 | new_size.X = atoi (columns); | |
706 | new_size.Y = atoi (lines); | |
707 | ||
708 | GetConsoleScreenBufferInfo (cur_screen, &info); | |
709 | ||
710 | /* Shrink the window first, so the buffer dimensions can be | |
711 | reduced if necessary. */ | |
712 | new_win_dims.Top = 0; | |
713 | new_win_dims.Left = 0; | |
714 | new_win_dims.Bottom = min (new_size.Y, info.dwSize.Y) - 1; | |
715 | new_win_dims.Right = min (new_size.X, info.dwSize.X) - 1; | |
716 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
717 | ||
718 | SetConsoleScreenBufferSize (cur_screen, new_size); | |
719 | ||
720 | /* Set the window size to match the buffer dimension. */ | |
721 | new_win_dims.Top = 0; | |
722 | new_win_dims.Left = 0; | |
723 | new_win_dims.Bottom = new_size.Y - 1; | |
724 | new_win_dims.Right = new_size.X - 1; | |
725 | SetConsoleWindowInfo (cur_screen, TRUE, &new_win_dims); | |
726 | } | |
727 | } | |
728 | ||
6cdfb6e6 | 729 | GetConsoleScreenBufferInfo (cur_screen, &info); |
177c0ea7 | 730 | |
338b1bb2 | 731 | char_attr_normal = info.wAttributes; |
938469f2 | 732 | |
3fb1d72b JR |
733 | /* Determine if the info returned by GetConsoleScreenBufferInfo |
734 | is realistic. Old MS Telnet servers used to only fill out | |
735 | the dwSize portion, even modern one fill the whole struct with | |
736 | garbage when using non-MS telnet clients. */ | |
737 | if ((w32_use_full_screen_buffer | |
738 | && (info.dwSize.Y < 20 || info.dwSize.Y > 100 | |
739 | || info.dwSize.X < 40 || info.dwSize.X > 200)) | |
740 | || (!w32_use_full_screen_buffer | |
741 | && (info.srWindow.Bottom - info.srWindow.Top < 20 | |
742 | || info.srWindow.Bottom - info.srWindow.Top > 100 | |
743 | || info.srWindow.Right - info.srWindow.Left < 40 | |
744 | || info.srWindow.Right - info.srWindow.Left > 100))) | |
745 | { | |
9337e206 EZ |
746 | *height = 25; |
747 | *width = 80; | |
3fb1d72b JR |
748 | } |
749 | ||
750 | else if (w32_use_full_screen_buffer) | |
191100f2 | 751 | { |
9337e206 EZ |
752 | *height = info.dwSize.Y; /* lines per page */ |
753 | *width = info.dwSize.X; /* characters per line */ | |
191100f2 AI |
754 | } |
755 | else | |
756 | { | |
757 | /* Lines per page. Use buffer coords instead of buffer size. */ | |
9337e206 | 758 | *height = 1 + info.srWindow.Bottom - info.srWindow.Top; |
191100f2 | 759 | /* Characters per line. Use buffer coords instead of buffer size. */ |
9337e206 | 760 | *width = 1 + info.srWindow.Right - info.srWindow.Left; |
191100f2 | 761 | } |
65fb143c | 762 | |
01bd1b0d EZ |
763 | if (os_subtype == OS_NT) |
764 | w32_console_unicode_input = 1; | |
765 | else | |
766 | w32_console_unicode_input = 0; | |
767 | ||
977c6479 EZ |
768 | /* This is needed by w32notify.c:send_notifications. */ |
769 | dwMainThreadId = GetCurrentThreadId (); | |
770 | ||
65fb143c JR |
771 | /* Setup w32_display_info structure for this frame. */ |
772 | ||
773 | w32_initialize_display_info (build_string ("Console")); | |
774 | ||
6cdfb6e6 RS |
775 | } |
776 | ||
1c30a66f | 777 | |
6cdfb6e6 | 778 | DEFUN ("set-screen-color", Fset_screen_color, Sset_screen_color, 2, 2, 0, |
b0512a1d EZ |
779 | doc: /* Set screen foreground and background colors. |
780 | ||
781 | Arguments should be indices between 0 and 15, see w32console.el. */) | |
5842a27b | 782 | (Lisp_Object foreground, Lisp_Object background) |
6cdfb6e6 RS |
783 | { |
784 | char_attr_normal = XFASTINT (foreground) + (XFASTINT (background) << 4); | |
6cdfb6e6 RS |
785 | |
786 | Frecenter (Qnil); | |
787 | return Qt; | |
788 | } | |
789 | ||
b0512a1d EZ |
790 | DEFUN ("get-screen-color", Fget_screen_color, Sget_screen_color, 0, 0, 0, |
791 | doc: /* Get color indices of the current screen foreground and background. | |
792 | ||
793 | The colors are returned as a list of 2 indices (FOREGROUND BACKGROUND). | |
794 | See w32console.el and `tty-defined-color-alist' for mapping of indices | |
795 | to colors. */) | |
796 | (void) | |
797 | { | |
798 | return Fcons (make_number (char_attr_normal & 0x000f), | |
799 | Fcons (make_number ((char_attr_normal >> 4) & 0x000f), Qnil)); | |
800 | } | |
801 | ||
6cdfb6e6 | 802 | DEFUN ("set-cursor-size", Fset_cursor_size, Sset_cursor_size, 1, 1, 0, |
33f09670 | 803 | doc: /* Set cursor size. */) |
5842a27b | 804 | (Lisp_Object size) |
6cdfb6e6 RS |
805 | { |
806 | CONSOLE_CURSOR_INFO cci; | |
807 | cci.dwSize = XFASTINT (size); | |
808 | cci.bVisible = TRUE; | |
809 | (void) SetConsoleCursorInfo (cur_screen, &cci); | |
177c0ea7 | 810 | |
6cdfb6e6 RS |
811 | return Qt; |
812 | } | |
813 | ||
0534d577 | 814 | void |
b56ceb92 | 815 | syms_of_ntterm (void) |
6cdfb6e6 | 816 | { |
191100f2 | 817 | DEFVAR_BOOL ("w32-use-full-screen-buffer", |
29208e82 | 818 | w32_use_full_screen_buffer, |
33f09670 | 819 | doc: /* Non-nil means make terminal frames use the full screen buffer dimensions. |
639804b3 | 820 | This is desirable when running Emacs over telnet. |
33f09670 | 821 | A value of nil means use the current console window dimensions; this |
e1dbe924 | 822 | may be preferable when working directly at the console with a large |
33f09670 | 823 | scroll-back buffer. */); |
3fb1d72b | 824 | w32_use_full_screen_buffer = 0; |
191100f2 | 825 | |
6cdfb6e6 | 826 | defsubr (&Sset_screen_color); |
b0512a1d | 827 | defsubr (&Sget_screen_color); |
6cdfb6e6 RS |
828 | defsubr (&Sset_cursor_size); |
829 | } |