Mercurial > vim
annotate src/message.c @ 7025:c26ccfcf5989 vim73
Close old branch 'vim73'
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Tue, 18 Aug 2015 21:52:12 +0200 |
parents | 904cd1c26a1e |
children | 6c05b5e5c1be |
rev | line source |
---|---|
7 | 1 /* vi:set ts=8 sts=4 sw=4: |
2 * | |
3 * VIM - Vi IMproved by Bram Moolenaar | |
4 * | |
5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
6 * Do ":help credits" in Vim to see a list of people who contributed. | |
7 * See README.txt for an overview of the Vim source code. | |
8 */ | |
9 | |
10 /* | |
11 * message.c: functions for displaying messages on the command line | |
12 */ | |
13 | |
14 #define MESSAGE_FILE /* don't include prototype for smsg() */ | |
15 | |
16 #include "vim.h" | |
17 | |
1619 | 18 #if defined(FEAT_FLOAT) && defined(HAVE_MATH_H) |
19 # include <math.h> | |
20 #endif | |
21 | |
16 | 22 static int other_sourcing_name __ARGS((void)); |
23 static char_u *get_emsg_source __ARGS((void)); | |
24 static char_u *get_emsg_lnum __ARGS((void)); | |
7 | 25 static void add_msg_hist __ARGS((char_u *s, int len, int attr)); |
26 static void hit_return_msg __ARGS((void)); | |
27 static void msg_home_replace_attr __ARGS((char_u *fname, int attr)); | |
28 #ifdef FEAT_MBYTE | |
29 static char_u *screen_puts_mbyte __ARGS((char_u *s, int l, int attr)); | |
30 #endif | |
31 static void msg_puts_attr_len __ARGS((char_u *str, int maxlen, int attr)); | |
446 | 32 static void msg_puts_display __ARGS((char_u *str, int maxlen, int attr, int recurse)); |
33 static void msg_scroll_up __ARGS((void)); | |
539 | 34 static void inc_msg_scrolled __ARGS((void)); |
446 | 35 static void store_sb_text __ARGS((char_u **sb_str, char_u *s, int attr, int *sb_col, int finish)); |
36 static void t_puts __ARGS((int *t_col, char_u *t_s, char_u *s, int attr)); | |
37 static void msg_puts_printf __ARGS((char_u *str, int maxlen)); | |
38 static int do_more_prompt __ARGS((int typed_char)); | |
7 | 39 static void msg_screen_putchar __ARGS((int c, int attr)); |
40 static int msg_check_screen __ARGS((void)); | |
41 static void redir_write __ARGS((char_u *s, int maxlen)); | |
291 | 42 static void verbose_write __ARGS((char_u *s, int maxlen)); |
7 | 43 #ifdef FEAT_CON_DIALOG |
44 static char_u *msg_show_console_dialog __ARGS((char_u *message, char_u *buttons, int dfltbutton)); | |
45 static int confirm_msg_used = FALSE; /* displaying confirm_msg */ | |
46 static char_u *confirm_msg = NULL; /* ":confirm" message */ | |
47 static char_u *confirm_msg_tail; /* tail of confirm_msg */ | |
48 #endif | |
49 | |
50 struct msg_hist | |
51 { | |
52 struct msg_hist *next; | |
53 char_u *msg; | |
54 int attr; | |
55 }; | |
56 | |
57 static struct msg_hist *first_msg_hist = NULL; | |
58 static struct msg_hist *last_msg_hist = NULL; | |
59 static int msg_hist_len = 0; | |
60 | |
61 /* | |
62 * When writing messages to the screen, there are many different situations. | |
63 * A number of variables is used to remember the current state: | |
64 * msg_didany TRUE when messages were written since the last time the | |
65 * user reacted to a prompt. | |
66 * Reset: After hitting a key for the hit-return prompt, | |
67 * hitting <CR> for the command line or input(). | |
68 * Set: When any message is written to the screen. | |
69 * msg_didout TRUE when something was written to the current line. | |
70 * Reset: When advancing to the next line, when the current | |
71 * text can be overwritten. | |
72 * Set: When any message is written to the screen. | |
73 * msg_nowait No extra delay for the last drawn message. | |
74 * Used in normal_cmd() before the mode message is drawn. | |
75 * emsg_on_display There was an error message recently. Indicates that there | |
76 * should be a delay before redrawing. | |
77 * msg_scroll The next message should not overwrite the current one. | |
78 * msg_scrolled How many lines the screen has been scrolled (because of | |
79 * messages). Used in update_screen() to scroll the screen | |
80 * back. Incremented each time the screen scrolls a line. | |
81 * msg_scrolled_ign TRUE when msg_scrolled is non-zero and msg_puts_attr() | |
82 * writes something without scrolling should not make | |
83 * need_wait_return to be set. This is a hack to make ":ts" | |
84 * work without an extra prompt. | |
85 * lines_left Number of lines available for messages before the | |
86 * more-prompt is to be given. | |
87 * need_wait_return TRUE when the hit-return prompt is needed. | |
88 * Reset: After giving the hit-return prompt, when the user | |
89 * has answered some other prompt. | |
90 * Set: When the ruler or typeahead display is overwritten, | |
91 * scrolling the screen for some message. | |
92 * keep_msg Message to be displayed after redrawing the screen, in | |
93 * main_loop(). | |
94 * This is an allocated string or NULL when not used. | |
95 */ | |
96 | |
97 /* | |
98 * msg(s) - displays the string 's' on the status line | |
99 * When terminal not initialized (yet) mch_errmsg(..) is used. | |
100 * return TRUE if wait_return not called | |
101 */ | |
102 int | |
103 msg(s) | |
104 char_u *s; | |
105 { | |
106 return msg_attr_keep(s, 0, FALSE); | |
107 } | |
108 | |
291 | 109 #if defined(FEAT_EVAL) || defined(FEAT_X11) || defined(USE_XSMP) \ |
1924 | 110 || defined(FEAT_GUI_GTK) || defined(PROTO) |
291 | 111 /* |
112 * Like msg() but keep it silent when 'verbosefile' is set. | |
113 */ | |
114 int | |
115 verb_msg(s) | |
116 char_u *s; | |
117 { | |
118 int n; | |
119 | |
120 verbose_enter(); | |
121 n = msg_attr_keep(s, 0, FALSE); | |
122 verbose_leave(); | |
123 | |
124 return n; | |
125 } | |
126 #endif | |
127 | |
7 | 128 int |
129 msg_attr(s, attr) | |
130 char_u *s; | |
131 int attr; | |
132 { | |
133 return msg_attr_keep(s, attr, FALSE); | |
134 } | |
135 | |
136 int | |
137 msg_attr_keep(s, attr, keep) | |
138 char_u *s; | |
139 int attr; | |
140 int keep; /* TRUE: set keep_msg if it doesn't scroll */ | |
141 { | |
142 static int entered = 0; | |
143 int retval; | |
144 char_u *buf = NULL; | |
145 | |
146 #ifdef FEAT_EVAL | |
147 if (attr == 0) | |
148 set_vim_var_string(VV_STATUSMSG, s, -1); | |
149 #endif | |
150 | |
151 /* | |
152 * It is possible that displaying a messages causes a problem (e.g., | |
153 * when redrawing the window), which causes another message, etc.. To | |
154 * break this loop, limit the recursiveness to 3 levels. | |
155 */ | |
156 if (entered >= 3) | |
157 return TRUE; | |
158 ++entered; | |
159 | |
160 /* Add message to history (unless it's a repeated kept message or a | |
161 * truncated message) */ | |
162 if (s != keep_msg | |
163 || (*s != '<' | |
164 && last_msg_hist != NULL | |
165 && last_msg_hist->msg != NULL | |
166 && STRCMP(s, last_msg_hist->msg))) | |
167 add_msg_hist(s, -1, attr); | |
168 | |
169 /* When displaying keep_msg, don't let msg_start() free it, caller must do | |
170 * that. */ | |
171 if (s == keep_msg) | |
172 keep_msg = NULL; | |
173 | |
174 /* Truncate the message if needed. */ | |
513 | 175 msg_start(); |
176 buf = msg_strtrunc(s, FALSE); | |
7 | 177 if (buf != NULL) |
178 s = buf; | |
179 | |
180 msg_outtrans_attr(s, attr); | |
181 msg_clr_eos(); | |
182 retval = msg_end(); | |
183 | |
184 if (keep && retval && vim_strsize(s) < (int)(Rows - cmdline_row - 1) | |
185 * Columns + sc_col) | |
678 | 186 set_keep_msg(s, 0); |
7 | 187 |
188 vim_free(buf); | |
189 --entered; | |
190 return retval; | |
191 } | |
192 | |
193 /* | |
194 * Truncate a string such that it can be printed without causing a scroll. | |
195 * Returns an allocated string or NULL when no truncating is done. | |
196 */ | |
197 char_u * | |
513 | 198 msg_strtrunc(s, force) |
7 | 199 char_u *s; |
513 | 200 int force; /* always truncate */ |
7 | 201 { |
202 char_u *buf = NULL; | |
203 int len; | |
204 int room; | |
205 | |
206 /* May truncate message to avoid a hit-return prompt */ | |
513 | 207 if ((!msg_scroll && !need_wait_return && shortmess(SHM_TRUNCALL) |
208 && !exmode_active && msg_silent == 0) || force) | |
7 | 209 { |
210 len = vim_strsize(s); | |
539 | 211 if (msg_scrolled != 0) |
513 | 212 /* Use all the columns. */ |
213 room = (int)(Rows - msg_row) * Columns - 1; | |
214 else | |
215 /* Use up to 'showcmd' column. */ | |
216 room = (int)(Rows - msg_row - 1) * Columns + sc_col - 1; | |
7 | 217 if (len > room && room > 0) |
218 { | |
219 #ifdef FEAT_MBYTE | |
220 if (enc_utf8) | |
221 /* may have up to 18 bytes per cell (6 per char, up to two | |
222 * composing chars) */ | |
223 buf = alloc((room + 2) * 18); | |
224 else if (enc_dbcs == DBCS_JPNU) | |
225 /* may have up to 2 bytes per cell for euc-jp */ | |
226 buf = alloc((room + 2) * 2); | |
227 else | |
228 #endif | |
229 buf = alloc(room + 2); | |
230 if (buf != NULL) | |
231 trunc_string(s, buf, room); | |
232 } | |
233 } | |
234 return buf; | |
235 } | |
236 | |
237 /* | |
238 * Truncate a string "s" to "buf" with cell width "room". | |
239 * "s" and "buf" may be equal. | |
240 */ | |
241 void | |
242 trunc_string(s, buf, room) | |
243 char_u *s; | |
244 char_u *buf; | |
245 int room; | |
246 { | |
247 int half; | |
248 int len; | |
249 int e; | |
250 int i; | |
251 int n; | |
252 | |
253 room -= 3; | |
254 half = room / 2; | |
255 len = 0; | |
256 | |
257 /* First part: Start of the string. */ | |
258 for (e = 0; len < half; ++e) | |
259 { | |
260 if (s[e] == NUL) | |
261 { | |
262 /* text fits without truncating! */ | |
263 buf[e] = NUL; | |
264 return; | |
265 } | |
266 n = ptr2cells(s + e); | |
267 if (len + n >= half) | |
268 break; | |
269 len += n; | |
270 buf[e] = s[e]; | |
271 #ifdef FEAT_MBYTE | |
272 if (has_mbyte) | |
474 | 273 for (n = (*mb_ptr2len)(s + e); --n > 0; ) |
7 | 274 { |
275 ++e; | |
276 buf[e] = s[e]; | |
277 } | |
278 #endif | |
279 } | |
280 | |
281 /* Last part: End of the string. */ | |
282 i = e; | |
283 #ifdef FEAT_MBYTE | |
284 if (enc_dbcs != 0) | |
285 { | |
286 /* For DBCS going backwards in a string is slow, but | |
287 * computing the cell width isn't too slow: go forward | |
288 * until the rest fits. */ | |
289 n = vim_strsize(s + i); | |
290 while (len + n > room) | |
291 { | |
292 n -= ptr2cells(s + i); | |
474 | 293 i += (*mb_ptr2len)(s + i); |
7 | 294 } |
295 } | |
296 else if (enc_utf8) | |
297 { | |
298 /* For UTF-8 we can go backwards easily. */ | |
714 | 299 half = i = (int)STRLEN(s); |
7 | 300 for (;;) |
301 { | |
714 | 302 do |
303 half = half - (*mb_head_off)(s, s + half - 1) - 1; | |
304 while (utf_iscomposing(utf_ptr2char(s + half)) && half > 0); | |
7 | 305 n = ptr2cells(s + half); |
306 if (len + n > room) | |
307 break; | |
308 len += n; | |
309 i = half; | |
310 } | |
311 } | |
312 else | |
313 #endif | |
314 { | |
315 for (i = (int)STRLEN(s); len + (n = ptr2cells(s + i - 1)) <= room; --i) | |
316 len += n; | |
317 } | |
318 | |
319 /* Set the middle and copy the last part. */ | |
320 mch_memmove(buf + e, "...", (size_t)3); | |
1619 | 321 STRMOVE(buf + e + 3, s + i); |
7 | 322 } |
323 | |
324 /* | |
325 * Automatic prototype generation does not understand this function. | |
326 * Note: Caller of smgs() and smsg_attr() must check the resulting string is | |
327 * shorter than IOSIZE!!! | |
328 */ | |
329 #ifndef PROTO | |
330 # ifndef HAVE_STDARG_H | |
331 | |
332 int | |
333 #ifdef __BORLANDC__ | |
334 _RTLENTRYF | |
335 #endif | |
336 smsg __ARGS((char_u *, long, long, long, | |
337 long, long, long, long, long, long, long)); | |
338 int | |
339 #ifdef __BORLANDC__ | |
340 _RTLENTRYF | |
341 #endif | |
342 smsg_attr __ARGS((int, char_u *, long, long, long, | |
343 long, long, long, long, long, long, long)); | |
344 | |
272 | 345 int vim_snprintf __ARGS((char *, size_t, char *, long, long, long, |
346 long, long, long, long, long, long, long)); | |
347 | |
348 /* | |
349 * smsg(str, arg, ...) is like using sprintf(buf, str, arg, ...) and then | |
350 * calling msg(buf). | |
351 * The buffer used is IObuff, the message is truncated at IOSIZE. | |
352 */ | |
353 | |
7 | 354 /* VARARGS */ |
355 int | |
356 #ifdef __BORLANDC__ | |
357 _RTLENTRYF | |
358 #endif | |
359 smsg(s, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) | |
360 char_u *s; | |
361 long a1, a2, a3, a4, a5, a6, a7, a8, a9, a10; | |
362 { | |
363 return smsg_attr(0, s, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10); | |
364 } | |
365 | |
366 /* VARARGS */ | |
367 int | |
368 #ifdef __BORLANDC__ | |
369 _RTLENTRYF | |
370 #endif | |
371 smsg_attr(attr, s, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) | |
372 int attr; | |
373 char_u *s; | |
374 long a1, a2, a3, a4, a5, a6, a7, a8, a9, a10; | |
375 { | |
272 | 376 vim_snprintf((char *)IObuff, IOSIZE, (char *)s, |
377 a1, a2, a3, a4, a5, a6, a7, a8, a9, a10); | |
7 | 378 return msg_attr(IObuff, attr); |
379 } | |
380 | |
381 # else /* HAVE_STDARG_H */ | |
382 | |
272 | 383 int vim_snprintf(char *str, size_t str_m, char *fmt, ...); |
384 | |
7 | 385 int |
386 #ifdef __BORLANDC__ | |
387 _RTLENTRYF | |
388 #endif | |
389 smsg(char_u *s, ...) | |
390 { | |
391 va_list arglist; | |
392 | |
393 va_start(arglist, s); | |
449 | 394 vim_vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist, NULL); |
7 | 395 va_end(arglist); |
396 return msg(IObuff); | |
397 } | |
398 | |
399 int | |
400 #ifdef __BORLANDC__ | |
401 _RTLENTRYF | |
402 #endif | |
403 smsg_attr(int attr, char_u *s, ...) | |
404 { | |
405 va_list arglist; | |
406 | |
407 va_start(arglist, s); | |
449 | 408 vim_vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist, NULL); |
7 | 409 va_end(arglist); |
410 return msg_attr(IObuff, attr); | |
411 } | |
412 | |
413 # endif /* HAVE_STDARG_H */ | |
414 #endif | |
415 | |
416 /* | |
417 * Remember the last sourcing name/lnum used in an error message, so that it | |
418 * isn't printed each time when it didn't change. | |
419 */ | |
420 static int last_sourcing_lnum = 0; | |
421 static char_u *last_sourcing_name = NULL; | |
422 | |
423 /* | |
424 * Reset the last used sourcing name/lnum. Makes sure it is displayed again | |
425 * for the next error message; | |
426 */ | |
360 | 427 void |
7 | 428 reset_last_sourcing() |
429 { | |
430 vim_free(last_sourcing_name); | |
431 last_sourcing_name = NULL; | |
432 last_sourcing_lnum = 0; | |
433 } | |
434 | |
435 /* | |
16 | 436 * Return TRUE if "sourcing_name" differs from "last_sourcing_name". |
437 */ | |
438 static int | |
439 other_sourcing_name() | |
440 { | |
441 if (sourcing_name != NULL) | |
442 { | |
443 if (last_sourcing_name != NULL) | |
444 return STRCMP(sourcing_name, last_sourcing_name) != 0; | |
445 return TRUE; | |
446 } | |
447 return FALSE; | |
448 } | |
449 | |
450 /* | |
7 | 451 * Get the message about the source, as used for an error message. |
452 * Returns an allocated string with room for one more character. | |
453 * Returns NULL when no message is to be given. | |
454 */ | |
455 static char_u * | |
16 | 456 get_emsg_source() |
7 | 457 { |
458 char_u *Buf, *p; | |
459 | |
16 | 460 if (sourcing_name != NULL && other_sourcing_name()) |
7 | 461 { |
462 p = (char_u *)_("Error detected while processing %s:"); | |
463 Buf = alloc((unsigned)(STRLEN(sourcing_name) + STRLEN(p))); | |
464 if (Buf != NULL) | |
465 sprintf((char *)Buf, (char *)p, sourcing_name); | |
466 return Buf; | |
467 } | |
468 return NULL; | |
469 } | |
470 | |
471 /* | |
472 * Get the message about the source lnum, as used for an error message. | |
473 * Returns an allocated string with room for one more character. | |
474 * Returns NULL when no message is to be given. | |
475 */ | |
476 static char_u * | |
16 | 477 get_emsg_lnum() |
7 | 478 { |
479 char_u *Buf, *p; | |
480 | |
481 /* lnum is 0 when executing a command from the command line | |
482 * argument, we don't want a line number then */ | |
483 if (sourcing_name != NULL | |
16 | 484 && (other_sourcing_name() || sourcing_lnum != last_sourcing_lnum) |
7 | 485 && sourcing_lnum != 0) |
486 { | |
487 p = (char_u *)_("line %4ld:"); | |
488 Buf = alloc((unsigned)(STRLEN(p) + 20)); | |
489 if (Buf != NULL) | |
490 sprintf((char *)Buf, (char *)p, (long)sourcing_lnum); | |
491 return Buf; | |
492 } | |
493 return NULL; | |
494 } | |
495 | |
496 /* | |
16 | 497 * Display name and line number for the source of an error. |
498 * Remember the file name and line number, so that for the next error the info | |
499 * is only displayed if it changed. | |
500 */ | |
501 void | |
502 msg_source(attr) | |
503 int attr; | |
504 { | |
505 char_u *p; | |
506 | |
507 ++no_wait_return; | |
508 p = get_emsg_source(); | |
509 if (p != NULL) | |
510 { | |
511 msg_attr(p, attr); | |
512 vim_free(p); | |
513 } | |
514 p = get_emsg_lnum(); | |
515 if (p != NULL) | |
516 { | |
517 msg_attr(p, hl_attr(HLF_N)); | |
518 vim_free(p); | |
519 last_sourcing_lnum = sourcing_lnum; /* only once for each line */ | |
520 } | |
521 | |
522 /* remember the last sourcing name printed, also when it's empty */ | |
36 | 523 if (sourcing_name == NULL || other_sourcing_name()) |
16 | 524 { |
525 vim_free(last_sourcing_name); | |
526 if (sourcing_name == NULL) | |
527 last_sourcing_name = NULL; | |
528 else | |
529 last_sourcing_name = vim_strsave(sourcing_name); | |
530 } | |
531 --no_wait_return; | |
532 } | |
533 | |
534 /* | |
840 | 535 * Return TRUE if not giving error messages right now: |
536 * If "emsg_off" is set: no error messages at the moment. | |
537 * If "msg" is in 'debug': do error message but without side effects. | |
538 * If "emsg_skip" is set: never do error messages. | |
539 */ | |
540 int | |
541 emsg_not_now() | |
542 { | |
543 if ((emsg_off > 0 && vim_strchr(p_debug, 'm') == NULL | |
544 && vim_strchr(p_debug, 't') == NULL) | |
545 #ifdef FEAT_EVAL | |
546 || emsg_skip > 0 | |
547 #endif | |
548 ) | |
549 return TRUE; | |
550 return FALSE; | |
551 } | |
552 | |
553 /* | |
7 | 554 * emsg() - display an error message |
555 * | |
556 * Rings the bell, if appropriate, and calls message() to do the real work | |
557 * When terminal not initialized (yet) mch_errmsg(..) is used. | |
558 * | |
559 * return TRUE if wait_return not called | |
560 */ | |
561 int | |
562 emsg(s) | |
563 char_u *s; | |
564 { | |
565 int attr; | |
566 char_u *p; | |
567 #ifdef FEAT_EVAL | |
568 int ignore = FALSE; | |
569 int severe; | |
570 #endif | |
571 | |
572 called_emsg = TRUE; | |
167 | 573 ex_exitval = 1; |
7 | 574 |
575 /* | |
105 | 576 * If "emsg_severe" is TRUE: When an error exception is to be thrown, |
577 * prefer this message over previous messages for the same command. | |
7 | 578 */ |
579 #ifdef FEAT_EVAL | |
580 severe = emsg_severe; | |
581 emsg_severe = FALSE; | |
582 #endif | |
583 | |
840 | 584 /* Skip this if not giving error messages at the moment. */ |
585 if (emsg_not_now()) | |
7 | 586 return TRUE; |
587 | |
839 | 588 if (!emsg_off || vim_strchr(p_debug, 't') != NULL) |
7 | 589 { |
590 #ifdef FEAT_EVAL | |
591 /* | |
592 * Cause a throw of an error exception if appropriate. Don't display | |
593 * the error message in this case. (If no matching catch clause will | |
594 * be found, the message will be displayed later on.) "ignore" is set | |
595 * when the message should be ignored completely (used for the | |
596 * interrupt message). | |
597 */ | |
598 if (cause_errthrow(s, severe, &ignore) == TRUE) | |
599 { | |
600 if (!ignore) | |
601 did_emsg = TRUE; | |
602 return TRUE; | |
603 } | |
604 | |
605 /* set "v:errmsg", also when using ":silent! cmd" */ | |
606 set_vim_var_string(VV_ERRMSG, s, -1); | |
607 #endif | |
608 | |
609 /* | |
1619 | 610 * When using ":silent! cmd" ignore error messages. |
7 | 611 * But do write it to the redirection file. |
612 */ | |
613 if (emsg_silent != 0) | |
614 { | |
615 msg_start(); | |
16 | 616 p = get_emsg_source(); |
7 | 617 if (p != NULL) |
618 { | |
619 STRCAT(p, "\n"); | |
620 redir_write(p, -1); | |
621 vim_free(p); | |
622 } | |
16 | 623 p = get_emsg_lnum(); |
7 | 624 if (p != NULL) |
625 { | |
626 STRCAT(p, "\n"); | |
627 redir_write(p, -1); | |
628 vim_free(p); | |
629 } | |
630 redir_write(s, -1); | |
631 return TRUE; | |
632 } | |
633 | |
634 /* Reset msg_silent, an error causes messages to be switched back on. */ | |
635 msg_silent = 0; | |
636 cmd_silent = FALSE; | |
637 | |
638 if (global_busy) /* break :global command */ | |
639 ++global_busy; | |
640 | |
641 if (p_eb) | |
642 beep_flush(); /* also includes flush_buffers() */ | |
643 else | |
644 flush_buffers(FALSE); /* flush internal buffers */ | |
645 did_emsg = TRUE; /* flag for DoOneCmd() */ | |
646 } | |
647 | |
648 emsg_on_display = TRUE; /* remember there is an error message */ | |
649 ++msg_scroll; /* don't overwrite a previous message */ | |
650 attr = hl_attr(HLF_E); /* set highlight mode for error messages */ | |
539 | 651 if (msg_scrolled != 0) |
7 | 652 need_wait_return = TRUE; /* needed in case emsg() is called after |
653 * wait_return has reset need_wait_return | |
654 * and a redraw is expected because | |
655 * msg_scrolled is non-zero */ | |
656 | |
657 /* | |
658 * Display name and line number for the source of the error. | |
659 */ | |
16 | 660 msg_source(attr); |
7 | 661 |
662 /* | |
663 * Display the error message itself. | |
664 */ | |
16 | 665 msg_nowait = FALSE; /* wait for this msg */ |
7 | 666 return msg_attr(s, attr); |
667 } | |
668 | |
669 /* | |
670 * Print an error message with one "%s" and one string argument. | |
671 */ | |
672 int | |
673 emsg2(s, a1) | |
674 char_u *s, *a1; | |
675 { | |
676 return emsg3(s, a1, NULL); | |
677 } | |
678 | |
330 | 679 /* emsg3() and emsgn() are in misc2.c to avoid warnings for the prototypes. */ |
7 | 680 |
167 | 681 void |
682 emsg_invreg(name) | |
683 int name; | |
684 { | |
685 EMSG2(_("E354: Invalid register name: '%s'"), transchar(name)); | |
686 } | |
687 | |
7 | 688 /* |
689 * Like msg(), but truncate to a single line if p_shm contains 't', or when | |
690 * "force" is TRUE. This truncates in another way as for normal messages. | |
691 * Careful: The string may be changed by msg_may_trunc()! | |
692 * Returns a pointer to the printed message, if wait_return() not called. | |
693 */ | |
694 char_u * | |
695 msg_trunc_attr(s, force, attr) | |
696 char_u *s; | |
697 int force; | |
698 int attr; | |
699 { | |
700 int n; | |
701 | |
702 /* Add message to history before truncating */ | |
703 add_msg_hist(s, -1, attr); | |
704 | |
705 s = msg_may_trunc(force, s); | |
706 | |
707 msg_hist_off = TRUE; | |
708 n = msg_attr(s, attr); | |
709 msg_hist_off = FALSE; | |
710 | |
711 if (n) | |
712 return s; | |
713 return NULL; | |
714 } | |
715 | |
716 /* | |
717 * Check if message "s" should be truncated at the start (for filenames). | |
718 * Return a pointer to where the truncated message starts. | |
719 * Note: May change the message by replacing a character with '<'. | |
720 */ | |
721 char_u * | |
722 msg_may_trunc(force, s) | |
723 int force; | |
724 char_u *s; | |
725 { | |
726 int n; | |
727 int room; | |
728 | |
729 room = (int)(Rows - cmdline_row - 1) * Columns + sc_col - 1; | |
730 if ((force || (shortmess(SHM_TRUNC) && !exmode_active)) | |
731 && (n = (int)STRLEN(s) - room) > 0) | |
732 { | |
733 #ifdef FEAT_MBYTE | |
734 if (has_mbyte) | |
735 { | |
736 int size = vim_strsize(s); | |
737 | |
615 | 738 /* There may be room anyway when there are multibyte chars. */ |
739 if (size <= room) | |
740 return s; | |
741 | |
7 | 742 for (n = 0; size >= room; ) |
743 { | |
744 size -= (*mb_ptr2cells)(s + n); | |
474 | 745 n += (*mb_ptr2len)(s + n); |
7 | 746 } |
747 --n; | |
748 } | |
749 #endif | |
750 s += n; | |
751 *s = '<'; | |
752 } | |
753 return s; | |
754 } | |
755 | |
756 static void | |
757 add_msg_hist(s, len, attr) | |
758 char_u *s; | |
759 int len; /* -1 for undetermined length */ | |
760 int attr; | |
761 { | |
762 struct msg_hist *p; | |
763 | |
764 if (msg_hist_off || msg_silent != 0) | |
765 return; | |
766 | |
767 /* Don't let the message history get too big */ | |
625 | 768 while (msg_hist_len > MAX_MSG_HIST_LEN) |
355 | 769 (void)delete_first_msg(); |
770 | |
7 | 771 /* allocate an entry and add the message at the end of the history */ |
772 p = (struct msg_hist *)alloc((int)sizeof(struct msg_hist)); | |
773 if (p != NULL) | |
774 { | |
775 if (len < 0) | |
776 len = (int)STRLEN(s); | |
777 /* remove leading and trailing newlines */ | |
778 while (len > 0 && *s == '\n') | |
779 { | |
780 ++s; | |
781 --len; | |
782 } | |
783 while (len > 0 && s[len - 1] == '\n') | |
784 --len; | |
785 p->msg = vim_strnsave(s, len); | |
786 p->next = NULL; | |
787 p->attr = attr; | |
788 if (last_msg_hist != NULL) | |
789 last_msg_hist->next = p; | |
790 last_msg_hist = p; | |
791 if (first_msg_hist == NULL) | |
792 first_msg_hist = last_msg_hist; | |
793 ++msg_hist_len; | |
794 } | |
795 } | |
796 | |
797 /* | |
355 | 798 * Delete the first (oldest) message from the history. |
799 * Returns FAIL if there are no messages. | |
800 */ | |
801 int | |
802 delete_first_msg() | |
803 { | |
804 struct msg_hist *p; | |
805 | |
806 if (msg_hist_len <= 0) | |
807 return FAIL; | |
808 p = first_msg_hist; | |
809 first_msg_hist = p->next; | |
1619 | 810 if (first_msg_hist == NULL) |
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811 last_msg_hist = NULL; /* history is empty */ |
355 | 812 vim_free(p->msg); |
813 vim_free(p); | |
814 --msg_hist_len; | |
815 return OK; | |
816 } | |
817 | |
818 /* | |
7 | 819 * ":messages" command. |
820 */ | |
821 void | |
822 ex_messages(eap) | |
1883 | 823 exarg_T *eap UNUSED; |
7 | 824 { |
825 struct msg_hist *p; | |
826 char_u *s; | |
827 | |
828 msg_hist_off = TRUE; | |
829 | |
830 s = mch_getenv((char_u *)"LANG"); | |
831 if (s != NULL && *s != NUL) | |
832 msg_attr((char_u *) | |
833 _("Messages maintainer: Bram Moolenaar <Bram@vim.org>"), | |
834 hl_attr(HLF_T)); | |
835 | |
1391 | 836 for (p = first_msg_hist; p != NULL && !got_int; p = p->next) |
7 | 837 if (p->msg != NULL) |
838 msg_attr(p->msg, p->attr); | |
839 | |
840 msg_hist_off = FALSE; | |
841 } | |
842 | |
28 | 843 #if defined(FEAT_CON_DIALOG) || defined(FIND_REPLACE_DIALOG) || defined(PROTO) |
7 | 844 /* |
845 * Call this after prompting the user. This will avoid a hit-return message | |
846 * and a delay. | |
847 */ | |
28 | 848 void |
7 | 849 msg_end_prompt() |
850 { | |
851 need_wait_return = FALSE; | |
852 emsg_on_display = FALSE; | |
853 cmdline_row = msg_row; | |
854 msg_col = 0; | |
855 msg_clr_eos(); | |
856 } | |
857 #endif | |
858 | |
859 /* | |
860 * wait for the user to hit a key (normally a return) | |
861 * if 'redraw' is TRUE, clear and redraw the screen | |
862 * if 'redraw' is FALSE, just redraw the screen | |
863 * if 'redraw' is -1, don't redraw at all | |
864 */ | |
865 void | |
866 wait_return(redraw) | |
867 int redraw; | |
868 { | |
869 int c; | |
870 int oldState; | |
871 int tmpState; | |
872 int had_got_int; | |
873 | |
874 if (redraw == TRUE) | |
875 must_redraw = CLEAR; | |
876 | |
877 /* If using ":silent cmd", don't wait for a return. Also don't set | |
878 * need_wait_return to do it later. */ | |
879 if (msg_silent != 0) | |
880 return; | |
881 | |
882 /* | |
883 * With the global command (and some others) we only need one return at the | |
884 * end. Adjust cmdline_row to avoid the next message overwriting the last one. | |
885 * When inside vgetc(), we can't wait for a typed character at all. | |
886 */ | |
822 | 887 if (vgetc_busy > 0) |
7 | 888 return; |
889 if (no_wait_return) | |
890 { | |
891 need_wait_return = TRUE; | |
892 if (!exmode_active) | |
893 cmdline_row = msg_row; | |
894 return; | |
895 } | |
896 | |
897 redir_off = TRUE; /* don't redirect this message */ | |
898 oldState = State; | |
899 if (quit_more) | |
900 { | |
901 c = CAR; /* just pretend CR was hit */ | |
902 quit_more = FALSE; | |
903 got_int = FALSE; | |
904 } | |
905 else if (exmode_active) | |
906 { | |
907 MSG_PUTS(" "); /* make sure the cursor is on the right line */ | |
908 c = CAR; /* no need for a return in ex mode */ | |
909 got_int = FALSE; | |
910 } | |
911 else | |
912 { | |
913 /* Make sure the hit-return prompt is on screen when 'guioptions' was | |
914 * just changed. */ | |
915 screenalloc(FALSE); | |
916 | |
917 State = HITRETURN; | |
918 #ifdef FEAT_MOUSE | |
919 setmouse(); | |
920 #endif | |
921 #ifdef USE_ON_FLY_SCROLL | |
922 dont_scroll = TRUE; /* disallow scrolling here */ | |
923 #endif | |
924 hit_return_msg(); | |
925 | |
926 do | |
927 { | |
928 /* Remember "got_int", if it is set vgetc() probably returns a | |
929 * CTRL-C, but we need to loop then. */ | |
930 had_got_int = got_int; | |
280 | 931 |
932 /* Don't do mappings here, we put the character back in the | |
933 * typeahead buffer. */ | |
934 ++no_mapping; | |
935 ++allow_keys; | |
7 | 936 c = safe_vgetc(); |
216 | 937 if (had_got_int && !global_busy) |
7 | 938 got_int = FALSE; |
280 | 939 --no_mapping; |
940 --allow_keys; | |
941 | |
7 | 942 #ifdef FEAT_CLIPBOARD |
943 /* Strange way to allow copying (yanking) a modeless selection at | |
944 * the hit-enter prompt. Use CTRL-Y, because the same is used in | |
945 * Cmdline-mode and it's harmless when there is no selection. */ | |
946 if (c == Ctrl_Y && clip_star.state == SELECT_DONE) | |
947 { | |
948 clip_copy_modeless_selection(TRUE); | |
949 c = K_IGNORE; | |
950 } | |
951 #endif | |
1381 | 952 |
698 | 953 /* |
954 * Allow scrolling back in the messages. | |
955 * Also accept scroll-down commands when messages fill the screen, | |
956 * to avoid that typing one 'j' too many makes the messages | |
957 * disappear. | |
958 */ | |
959 if (p_more && !p_cp) | |
446 | 960 { |
698 | 961 if (c == 'b' || c == 'k' || c == 'u' || c == 'g' || c == K_UP) |
446 | 962 { |
698 | 963 /* scroll back to show older messages */ |
964 do_more_prompt(c); | |
965 if (quit_more) | |
966 { | |
967 c = CAR; /* just pretend CR was hit */ | |
968 quit_more = FALSE; | |
969 got_int = FALSE; | |
970 } | |
971 else | |
972 { | |
973 c = K_IGNORE; | |
974 hit_return_msg(); | |
975 } | |
446 | 976 } |
698 | 977 else if (msg_scrolled > Rows - 2 |
1820 | 978 && (c == 'j' || c == K_DOWN || c == 'd' || c == 'f')) |
446 | 979 c = K_IGNORE; |
980 } | |
7 | 981 } while ((had_got_int && c == Ctrl_C) |
982 || c == K_IGNORE | |
983 #ifdef FEAT_GUI | |
984 || c == K_VER_SCROLLBAR || c == K_HOR_SCROLLBAR | |
985 #endif | |
986 #ifdef FEAT_MOUSE | |
987 || c == K_LEFTDRAG || c == K_LEFTRELEASE | |
988 || c == K_MIDDLEDRAG || c == K_MIDDLERELEASE | |
989 || c == K_RIGHTDRAG || c == K_RIGHTRELEASE | |
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990 || c == K_MOUSELEFT || c == K_MOUSERIGHT |
7 | 991 || c == K_MOUSEDOWN || c == K_MOUSEUP |
992 || (!mouse_has(MOUSE_RETURN) | |
993 && mouse_row < msg_row | |
994 && (c == K_LEFTMOUSE | |
995 || c == K_MIDDLEMOUSE | |
996 || c == K_RIGHTMOUSE | |
997 || c == K_X1MOUSE | |
998 || c == K_X2MOUSE)) | |
999 #endif | |
1000 ); | |
1001 ui_breakcheck(); | |
1002 #ifdef FEAT_MOUSE | |
1003 /* | |
1004 * Avoid that the mouse-up event causes visual mode to start. | |
1005 */ | |
1006 if (c == K_LEFTMOUSE || c == K_MIDDLEMOUSE || c == K_RIGHTMOUSE | |
1007 || c == K_X1MOUSE || c == K_X2MOUSE) | |
1008 (void)jump_to_mouse(MOUSE_SETPOS, NULL, 0); | |
1009 else | |
1010 #endif | |
1011 if (vim_strchr((char_u *)"\r\n ", c) == NULL && c != Ctrl_C) | |
1012 { | |
280 | 1013 /* Put the character back in the typeahead buffer. Don't use the |
1014 * stuff buffer, because lmaps wouldn't work. */ | |
852 | 1015 ins_char_typebuf(c); |
7 | 1016 do_redraw = TRUE; /* need a redraw even though there is |
280 | 1017 typeahead */ |
7 | 1018 } |
1019 } | |
1020 redir_off = FALSE; | |
1021 | |
1022 /* | |
1023 * If the user hits ':', '?' or '/' we get a command line from the next | |
1024 * line. | |
1025 */ | |
1026 if (c == ':' || c == '?' || c == '/') | |
1027 { | |
1028 if (!exmode_active) | |
1029 cmdline_row = msg_row; | |
1030 skip_redraw = TRUE; /* skip redraw once */ | |
1031 do_redraw = FALSE; | |
1032 } | |
1033 | |
1034 /* | |
1035 * If the window size changed set_shellsize() will redraw the screen. | |
1036 * Otherwise the screen is only redrawn if 'redraw' is set and no ':' | |
1037 * typed. | |
1038 */ | |
1039 tmpState = State; | |
1040 State = oldState; /* restore State before set_shellsize */ | |
1041 #ifdef FEAT_MOUSE | |
1042 setmouse(); | |
1043 #endif | |
1044 msg_check(); | |
1045 | |
1046 #if defined(UNIX) || defined(VMS) | |
1047 /* | |
1048 * When switching screens, we need to output an extra newline on exit. | |
1049 */ | |
1050 if (swapping_screen() && !termcap_active) | |
1051 newline_on_exit = TRUE; | |
1052 #endif | |
1053 | |
1054 need_wait_return = FALSE; | |
1055 did_wait_return = TRUE; | |
1056 emsg_on_display = FALSE; /* can delete error message now */ | |
1057 lines_left = -1; /* reset lines_left at next msg_start() */ | |
1058 reset_last_sourcing(); | |
1059 if (keep_msg != NULL && vim_strsize(keep_msg) >= | |
1060 (Rows - cmdline_row - 1) * Columns + sc_col) | |
1061 { | |
1062 vim_free(keep_msg); | |
1063 keep_msg = NULL; /* don't redisplay message, it's too long */ | |
1064 } | |
1065 | |
1066 if (tmpState == SETWSIZE) /* got resize event while in vgetc() */ | |
1067 { | |
1068 starttermcap(); /* start termcap before redrawing */ | |
1069 shell_resized(); | |
1070 } | |
1071 else if (!skip_redraw | |
1072 && (redraw == TRUE || (msg_scrolled != 0 && redraw != -1))) | |
1073 { | |
1074 starttermcap(); /* start termcap before redrawing */ | |
1075 redraw_later(VALID); | |
1076 } | |
1077 } | |
1078 | |
1079 /* | |
1080 * Write the hit-return prompt. | |
1081 */ | |
1082 static void | |
1083 hit_return_msg() | |
1084 { | |
446 | 1085 int save_p_more = p_more; |
1086 | |
1087 p_more = FALSE; /* don't want see this message when scrolling back */ | |
1088 if (msg_didout) /* start on a new line */ | |
7 | 1089 msg_putchar('\n'); |
1090 if (got_int) | |
1091 MSG_PUTS(_("Interrupt: ")); | |
1092 | |
446 | 1093 MSG_PUTS_ATTR(_("Press ENTER or type command to continue"), hl_attr(HLF_R)); |
7 | 1094 if (!msg_use_printf()) |
1095 msg_clr_eos(); | |
446 | 1096 p_more = save_p_more; |
7 | 1097 } |
1098 | |
1099 /* | |
1100 * Set "keep_msg" to "s". Free the old value and check for NULL pointer. | |
1101 */ | |
1102 void | |
678 | 1103 set_keep_msg(s, attr) |
7 | 1104 char_u *s; |
678 | 1105 int attr; |
7 | 1106 { |
1107 vim_free(keep_msg); | |
1108 if (s != NULL && msg_silent == 0) | |
1109 keep_msg = vim_strsave(s); | |
1110 else | |
1111 keep_msg = NULL; | |
127 | 1112 keep_msg_more = FALSE; |
678 | 1113 keep_msg_attr = attr; |
7 | 1114 } |
1115 | |
678 | 1116 #if defined(FEAT_TERMRESPONSE) || defined(PROTO) |
1117 /* | |
1118 * If there currently is a message being displayed, set "keep_msg" to it, so | |
1119 * that it will be displayed again after redraw. | |
1120 */ | |
1121 void | |
1122 set_keep_msg_from_hist() | |
1123 { | |
1124 if (keep_msg == NULL && last_msg_hist != NULL && msg_scrolled == 0 | |
1125 && (State & NORMAL)) | |
1126 set_keep_msg(last_msg_hist->msg, last_msg_hist->attr); | |
1127 } | |
1128 #endif | |
1129 | |
7 | 1130 /* |
1131 * Prepare for outputting characters in the command line. | |
1132 */ | |
1133 void | |
1134 msg_start() | |
1135 { | |
1136 int did_return = FALSE; | |
1137 | |
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1138 if (!msg_silent) |
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|
1139 { |
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diff
changeset
|
1140 vim_free(keep_msg); |
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diff
changeset
|
1141 keep_msg = NULL; /* don't display old message now */ |
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|
1142 } |
1619 | 1143 |
1144 #ifdef FEAT_EVAL | |
1145 if (need_clr_eos) | |
1146 { | |
1147 /* Halfway an ":echo" command and getting an (error) message: clear | |
1148 * any text from the command. */ | |
1149 need_clr_eos = FALSE; | |
1150 msg_clr_eos(); | |
1151 } | |
1152 #endif | |
1153 | |
7 | 1154 if (!msg_scroll && full_screen) /* overwrite last message */ |
1155 { | |
1156 msg_row = cmdline_row; | |
1157 msg_col = | |
1158 #ifdef FEAT_RIGHTLEFT | |
1159 cmdmsg_rl ? Columns - 1 : | |
1160 #endif | |
1161 0; | |
1162 } | |
1163 else if (msg_didout) /* start message on next line */ | |
1164 { | |
1165 msg_putchar('\n'); | |
1166 did_return = TRUE; | |
1167 if (exmode_active != EXMODE_NORMAL) | |
1168 cmdline_row = msg_row; | |
1169 } | |
1170 if (!msg_didany || lines_left < 0) | |
1171 msg_starthere(); | |
1172 if (msg_silent == 0) | |
1173 { | |
1174 msg_didout = FALSE; /* no output on current line yet */ | |
1175 cursor_off(); | |
1176 } | |
1177 | |
1178 /* when redirecting, may need to start a new line. */ | |
1179 if (!did_return) | |
1180 redir_write((char_u *)"\n", -1); | |
1181 } | |
1182 | |
1183 /* | |
1184 * Note that the current msg position is where messages start. | |
1185 */ | |
1186 void | |
1187 msg_starthere() | |
1188 { | |
1189 lines_left = cmdline_row; | |
1190 msg_didany = FALSE; | |
1191 } | |
1192 | |
1193 void | |
1194 msg_putchar(c) | |
1195 int c; | |
1196 { | |
1197 msg_putchar_attr(c, 0); | |
1198 } | |
1199 | |
1200 void | |
1201 msg_putchar_attr(c, attr) | |
1202 int c; | |
1203 int attr; | |
1204 { | |
1205 #ifdef FEAT_MBYTE | |
1206 char_u buf[MB_MAXBYTES + 1]; | |
1207 #else | |
1208 char_u buf[4]; | |
1209 #endif | |
1210 | |
1211 if (IS_SPECIAL(c)) | |
1212 { | |
1213 buf[0] = K_SPECIAL; | |
1214 buf[1] = K_SECOND(c); | |
1215 buf[2] = K_THIRD(c); | |
1216 buf[3] = NUL; | |
1217 } | |
1218 else | |
1219 { | |
1220 #ifdef FEAT_MBYTE | |
1221 buf[(*mb_char2bytes)(c, buf)] = NUL; | |
1222 #else | |
1223 buf[0] = c; | |
1224 buf[1] = NUL; | |
1225 #endif | |
1226 } | |
1227 msg_puts_attr(buf, attr); | |
1228 } | |
1229 | |
1230 void | |
1231 msg_outnum(n) | |
1232 long n; | |
1233 { | |
1234 char_u buf[20]; | |
1235 | |
1236 sprintf((char *)buf, "%ld", n); | |
1237 msg_puts(buf); | |
1238 } | |
1239 | |
1240 void | |
1241 msg_home_replace(fname) | |
1242 char_u *fname; | |
1243 { | |
1244 msg_home_replace_attr(fname, 0); | |
1245 } | |
1246 | |
1247 #if defined(FEAT_FIND_ID) || defined(PROTO) | |
1248 void | |
1249 msg_home_replace_hl(fname) | |
1250 char_u *fname; | |
1251 { | |
1252 msg_home_replace_attr(fname, hl_attr(HLF_D)); | |
1253 } | |
1254 #endif | |
1255 | |
1256 static void | |
1257 msg_home_replace_attr(fname, attr) | |
1258 char_u *fname; | |
1259 int attr; | |
1260 { | |
1261 char_u *name; | |
1262 | |
1263 name = home_replace_save(NULL, fname); | |
1264 if (name != NULL) | |
1265 msg_outtrans_attr(name, attr); | |
1266 vim_free(name); | |
1267 } | |
1268 | |
1269 /* | |
1270 * Output 'len' characters in 'str' (including NULs) with translation | |
1271 * if 'len' is -1, output upto a NUL character. | |
1272 * Use attributes 'attr'. | |
1273 * Return the number of characters it takes on the screen. | |
1274 */ | |
1275 int | |
1276 msg_outtrans(str) | |
1277 char_u *str; | |
1278 { | |
1279 return msg_outtrans_attr(str, 0); | |
1280 } | |
1281 | |
1282 int | |
1283 msg_outtrans_attr(str, attr) | |
1284 char_u *str; | |
1285 int attr; | |
1286 { | |
1287 return msg_outtrans_len_attr(str, (int)STRLEN(str), attr); | |
1288 } | |
1289 | |
1290 int | |
1291 msg_outtrans_len(str, len) | |
1292 char_u *str; | |
1293 int len; | |
1294 { | |
1295 return msg_outtrans_len_attr(str, len, 0); | |
1296 } | |
1297 | |
1298 /* | |
1299 * Output one character at "p". Return pointer to the next character. | |
1300 * Handles multi-byte characters. | |
1301 */ | |
1302 char_u * | |
1303 msg_outtrans_one(p, attr) | |
1304 char_u *p; | |
1305 int attr; | |
1306 { | |
1307 #ifdef FEAT_MBYTE | |
1308 int l; | |
1309 | |
474 | 1310 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
7 | 1311 { |
1312 msg_outtrans_len_attr(p, l, attr); | |
1313 return p + l; | |
1314 } | |
1315 #endif | |
1316 msg_puts_attr(transchar_byte(*p), attr); | |
1317 return p + 1; | |
1318 } | |
1319 | |
1320 int | |
1321 msg_outtrans_len_attr(msgstr, len, attr) | |
1322 char_u *msgstr; | |
1323 int len; | |
1324 int attr; | |
1325 { | |
1326 int retval = 0; | |
1327 char_u *str = msgstr; | |
1328 char_u *plain_start = msgstr; | |
1329 char_u *s; | |
1330 #ifdef FEAT_MBYTE | |
1331 int mb_l; | |
1332 int c; | |
1333 #endif | |
1334 | |
1335 /* if MSG_HIST flag set, add message to history */ | |
1336 if (attr & MSG_HIST) | |
1337 { | |
1338 add_msg_hist(str, len, attr); | |
1339 attr &= ~MSG_HIST; | |
1340 } | |
1341 | |
1342 #ifdef FEAT_MBYTE | |
1343 /* If the string starts with a composing character first draw a space on | |
1344 * which the composing char can be drawn. */ | |
1345 if (enc_utf8 && utf_iscomposing(utf_ptr2char(msgstr))) | |
1346 msg_puts_attr((char_u *)" ", attr); | |
1347 #endif | |
1348 | |
1349 /* | |
1350 * Go over the string. Special characters are translated and printed. | |
1351 * Normal characters are printed several at a time. | |
1352 */ | |
1353 while (--len >= 0) | |
1354 { | |
1355 #ifdef FEAT_MBYTE | |
1356 if (enc_utf8) | |
1357 /* Don't include composing chars after the end. */ | |
474 | 1358 mb_l = utfc_ptr2len_len(str, len + 1); |
7 | 1359 else if (has_mbyte) |
474 | 1360 mb_l = (*mb_ptr2len)(str); |
7 | 1361 else |
1362 mb_l = 1; | |
1363 if (has_mbyte && mb_l > 1) | |
1364 { | |
1365 c = (*mb_ptr2char)(str); | |
1366 if (vim_isprintc(c)) | |
1367 /* printable multi-byte char: count the cells. */ | |
1368 retval += (*mb_ptr2cells)(str); | |
1369 else | |
1370 { | |
1371 /* unprintable multi-byte char: print the printable chars so | |
1372 * far and the translation of the unprintable char. */ | |
1373 if (str > plain_start) | |
1374 msg_puts_attr_len(plain_start, (int)(str - plain_start), | |
1375 attr); | |
1376 plain_start = str + mb_l; | |
1377 msg_puts_attr(transchar(c), attr == 0 ? hl_attr(HLF_8) : attr); | |
1378 retval += char2cells(c); | |
1379 } | |
1380 len -= mb_l - 1; | |
1381 str += mb_l; | |
1382 } | |
1383 else | |
1384 #endif | |
1385 { | |
1386 s = transchar_byte(*str); | |
1387 if (s[1] != NUL) | |
1388 { | |
1389 /* unprintable char: print the printable chars so far and the | |
1390 * translation of the unprintable char. */ | |
1391 if (str > plain_start) | |
1392 msg_puts_attr_len(plain_start, (int)(str - plain_start), | |
1393 attr); | |
1394 plain_start = str + 1; | |
1395 msg_puts_attr(s, attr == 0 ? hl_attr(HLF_8) : attr); | |
1668 | 1396 retval += (int)STRLEN(s); |
7 | 1397 } |
1663 | 1398 else |
1399 ++retval; | |
7 | 1400 ++str; |
1401 } | |
1402 } | |
1403 | |
1404 if (str > plain_start) | |
1405 /* print the printable chars at the end */ | |
1406 msg_puts_attr_len(plain_start, (int)(str - plain_start), attr); | |
1407 | |
1408 return retval; | |
1409 } | |
1410 | |
1411 #if defined(FEAT_QUICKFIX) || defined(PROTO) | |
1412 void | |
1413 msg_make(arg) | |
1414 char_u *arg; | |
1415 { | |
1416 int i; | |
1417 static char_u *str = (char_u *)"eeffoc", *rs = (char_u *)"Plon#dqg#vxjduB"; | |
1418 | |
1419 arg = skipwhite(arg); | |
1420 for (i = 5; *arg && i >= 0; --i) | |
1421 if (*arg++ != str[i]) | |
1422 break; | |
1423 if (i < 0) | |
1424 { | |
1425 msg_putchar('\n'); | |
1426 for (i = 0; rs[i]; ++i) | |
1427 msg_putchar(rs[i] - 3); | |
1428 } | |
1429 } | |
1430 #endif | |
1431 | |
1432 /* | |
1433 * Output the string 'str' upto a NUL character. | |
1434 * Return the number of characters it takes on the screen. | |
1435 * | |
1436 * If K_SPECIAL is encountered, then it is taken in conjunction with the | |
1437 * following character and shown as <F1>, <S-Up> etc. Any other character | |
1438 * which is not printable shown in <> form. | |
1439 * If 'from' is TRUE (lhs of a mapping), a space is shown as <Space>. | |
1440 * If a character is displayed in one of these special ways, is also | |
1441 * highlighted (its highlight name is '8' in the p_hl variable). | |
1442 * Otherwise characters are not highlighted. | |
1443 * This function is used to show mappings, where we want to see how to type | |
1444 * the character/string -- webb | |
1445 */ | |
1446 int | |
1447 msg_outtrans_special(strstart, from) | |
1448 char_u *strstart; | |
1449 int from; /* TRUE for lhs of a mapping */ | |
1450 { | |
1451 char_u *str = strstart; | |
1452 int retval = 0; | |
1453 char_u *string; | |
1454 int attr; | |
1455 int len; | |
1456 | |
1457 attr = hl_attr(HLF_8); | |
1458 while (*str != NUL) | |
1459 { | |
1460 /* Leading and trailing spaces need to be displayed in <> form. */ | |
1461 if ((str == strstart || str[1] == NUL) && *str == ' ') | |
1462 { | |
1463 string = (char_u *)"<Space>"; | |
1464 ++str; | |
1465 } | |
1466 else | |
1467 string = str2special(&str, from); | |
1468 len = vim_strsize(string); | |
1469 /* Highlight special keys */ | |
1470 msg_puts_attr(string, len > 1 | |
1471 #ifdef FEAT_MBYTE | |
474 | 1472 && (*mb_ptr2len)(string) <= 1 |
7 | 1473 #endif |
1474 ? attr : 0); | |
1475 retval += len; | |
1476 } | |
1477 return retval; | |
1478 } | |
1479 | |
1480 /* | |
1481 * Return the printable string for the key codes at "*sp". | |
1482 * Used for translating the lhs or rhs of a mapping to printable chars. | |
1483 * Advances "sp" to the next code. | |
1484 */ | |
1485 char_u * | |
1486 str2special(sp, from) | |
1487 char_u **sp; | |
1488 int from; /* TRUE for lhs of mapping */ | |
1489 { | |
1490 int c; | |
1491 static char_u buf[7]; | |
1492 char_u *str = *sp; | |
1493 int modifiers = 0; | |
1494 int special = FALSE; | |
1495 | |
1496 #ifdef FEAT_MBYTE | |
1497 if (has_mbyte) | |
1498 { | |
1499 char_u *p; | |
1500 | |
1501 /* Try to un-escape a multi-byte character. Return the un-escaped | |
1502 * string if it is a multi-byte character. */ | |
1503 p = mb_unescape(sp); | |
1504 if (p != NULL) | |
1505 return p; | |
1506 } | |
1507 #endif | |
1508 | |
1509 c = *str; | |
1510 if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) | |
1511 { | |
1512 if (str[1] == KS_MODIFIER) | |
1513 { | |
1514 modifiers = str[2]; | |
1515 str += 3; | |
1516 c = *str; | |
1517 } | |
1518 if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) | |
1519 { | |
1520 c = TO_SPECIAL(str[1], str[2]); | |
1521 str += 2; | |
1522 if (c == K_ZERO) /* display <Nul> as ^@ */ | |
1523 c = NUL; | |
1524 } | |
1525 if (IS_SPECIAL(c) || modifiers) /* special key */ | |
1526 special = TRUE; | |
1527 } | |
1528 *sp = str + 1; | |
1529 | |
1530 #ifdef FEAT_MBYTE | |
1531 /* For multi-byte characters check for an illegal byte. */ | |
474 | 1532 if (has_mbyte && MB_BYTE2LEN(*str) > (*mb_ptr2len)(str)) |
7 | 1533 { |
1534 transchar_nonprint(buf, c); | |
1535 return buf; | |
1536 } | |
1537 #endif | |
1538 | |
1539 /* Make unprintable characters in <> form, also <M-Space> and <Tab>. | |
1540 * Use <Space> only for lhs of a mapping. */ | |
1541 if (special || char2cells(c) > 1 || (from && c == ' ')) | |
1542 return get_special_key_name(c, modifiers); | |
1543 buf[0] = c; | |
1544 buf[1] = NUL; | |
1545 return buf; | |
1546 } | |
1547 | |
1548 /* | |
1549 * Translate a key sequence into special key names. | |
1550 */ | |
1551 void | |
1552 str2specialbuf(sp, buf, len) | |
1553 char_u *sp; | |
1554 char_u *buf; | |
1555 int len; | |
1556 { | |
1557 char_u *s; | |
1558 | |
1559 *buf = NUL; | |
1560 while (*sp) | |
1561 { | |
1562 s = str2special(&sp, FALSE); | |
1563 if ((int)(STRLEN(s) + STRLEN(buf)) < len) | |
1564 STRCAT(buf, s); | |
1565 } | |
1566 } | |
1567 | |
1568 /* | |
1569 * print line for :print or :list command | |
1570 */ | |
1571 void | |
167 | 1572 msg_prt_line(s, list) |
7 | 1573 char_u *s; |
167 | 1574 int list; |
7 | 1575 { |
1576 int c; | |
1577 int col = 0; | |
1578 int n_extra = 0; | |
1579 int c_extra = 0; | |
1580 char_u *p_extra = NULL; /* init to make SASC shut up */ | |
1581 int n; | |
1059 | 1582 int attr = 0; |
7 | 1583 char_u *trail = NULL; |
1584 #ifdef FEAT_MBYTE | |
1585 int l; | |
1586 char_u buf[MB_MAXBYTES + 1]; | |
1587 #endif | |
1588 | |
167 | 1589 if (curwin->w_p_list) |
1590 list = TRUE; | |
1591 | |
7 | 1592 /* find start of trailing whitespace */ |
167 | 1593 if (list && lcs_trail) |
7 | 1594 { |
1595 trail = s + STRLEN(s); | |
1596 while (trail > s && vim_iswhite(trail[-1])) | |
1597 --trail; | |
1598 } | |
1599 | |
1600 /* output a space for an empty line, otherwise the line will be | |
1601 * overwritten */ | |
167 | 1602 if (*s == NUL && !(list && lcs_eol != NUL)) |
7 | 1603 msg_putchar(' '); |
1604 | |
446 | 1605 while (!got_int) |
7 | 1606 { |
1059 | 1607 if (n_extra > 0) |
7 | 1608 { |
1609 --n_extra; | |
1610 if (c_extra) | |
1611 c = c_extra; | |
1612 else | |
1613 c = *p_extra++; | |
1614 } | |
1615 #ifdef FEAT_MBYTE | |
474 | 1616 else if (has_mbyte && (l = (*mb_ptr2len)(s)) > 1) |
7 | 1617 { |
1618 col += (*mb_ptr2cells)(s); | |
1619 mch_memmove(buf, s, (size_t)l); | |
1620 buf[l] = NUL; | |
1059 | 1621 msg_puts(buf); |
7 | 1622 s += l; |
1623 continue; | |
1624 } | |
1625 #endif | |
1626 else | |
1627 { | |
1628 attr = 0; | |
1629 c = *s++; | |
167 | 1630 if (c == TAB && (!list || lcs_tab1)) |
7 | 1631 { |
1632 /* tab amount depends on current column */ | |
1633 n_extra = curbuf->b_p_ts - col % curbuf->b_p_ts - 1; | |
167 | 1634 if (!list) |
7 | 1635 { |
1636 c = ' '; | |
1637 c_extra = ' '; | |
1638 } | |
1639 else | |
1640 { | |
1641 c = lcs_tab1; | |
1642 c_extra = lcs_tab2; | |
1643 attr = hl_attr(HLF_8); | |
1644 } | |
1645 } | |
167 | 1646 else if (c == NUL && list && lcs_eol != NUL) |
7 | 1647 { |
1648 p_extra = (char_u *)""; | |
1649 c_extra = NUL; | |
1650 n_extra = 1; | |
1651 c = lcs_eol; | |
1652 attr = hl_attr(HLF_AT); | |
1653 --s; | |
1654 } | |
1655 else if (c != NUL && (n = byte2cells(c)) > 1) | |
1656 { | |
1657 n_extra = n - 1; | |
1658 p_extra = transchar_byte(c); | |
1659 c_extra = NUL; | |
1660 c = *p_extra++; | |
1059 | 1661 /* Use special coloring to be able to distinguish <hex> from |
1662 * the same in plain text. */ | |
1663 attr = hl_attr(HLF_8); | |
7 | 1664 } |
1665 else if (c == ' ' && trail != NULL && s > trail) | |
1666 { | |
1667 c = lcs_trail; | |
1668 attr = hl_attr(HLF_8); | |
1669 } | |
1670 } | |
1671 | |
1672 if (c == NUL) | |
1673 break; | |
1674 | |
1675 msg_putchar_attr(c, attr); | |
1676 col++; | |
1677 } | |
1678 msg_clr_eos(); | |
1679 } | |
1680 | |
1681 #ifdef FEAT_MBYTE | |
1682 /* | |
1683 * Use screen_puts() to output one multi-byte character. | |
1684 * Return the pointer "s" advanced to the next character. | |
1685 */ | |
1686 static char_u * | |
1687 screen_puts_mbyte(s, l, attr) | |
1688 char_u *s; | |
1689 int l; | |
1690 int attr; | |
1691 { | |
1692 int cw; | |
1693 | |
1694 msg_didout = TRUE; /* remember that line is not empty */ | |
1695 cw = (*mb_ptr2cells)(s); | |
1696 if (cw > 1 && ( | |
1697 #ifdef FEAT_RIGHTLEFT | |
1698 cmdmsg_rl ? msg_col <= 1 : | |
1699 #endif | |
1700 msg_col == Columns - 1)) | |
1701 { | |
1702 /* Doesn't fit, print a highlighted '>' to fill it up. */ | |
1703 msg_screen_putchar('>', hl_attr(HLF_AT)); | |
1704 return s; | |
1705 } | |
1706 | |
1707 screen_puts_len(s, l, msg_row, msg_col, attr); | |
1708 #ifdef FEAT_RIGHTLEFT | |
1709 if (cmdmsg_rl) | |
1710 { | |
1711 msg_col -= cw; | |
1712 if (msg_col == 0) | |
1713 { | |
1714 msg_col = Columns; | |
1715 ++msg_row; | |
1716 } | |
1717 } | |
1718 else | |
1719 #endif | |
1720 { | |
1721 msg_col += cw; | |
1722 if (msg_col >= Columns) | |
1723 { | |
1724 msg_col = 0; | |
1725 ++msg_row; | |
1726 } | |
1727 } | |
1728 return s + l; | |
1729 } | |
1730 #endif | |
1731 | |
1732 /* | |
1733 * Output a string to the screen at position msg_row, msg_col. | |
1734 * Update msg_row and msg_col for the next message. | |
1735 */ | |
1736 void | |
1737 msg_puts(s) | |
1738 char_u *s; | |
1739 { | |
1740 msg_puts_attr(s, 0); | |
1741 } | |
1742 | |
1743 void | |
1744 msg_puts_title(s) | |
1745 char_u *s; | |
1746 { | |
1747 msg_puts_attr(s, hl_attr(HLF_T)); | |
1748 } | |
1749 | |
1750 /* | |
1751 * Show a message in such a way that it always fits in the line. Cut out a | |
1752 * part in the middle and replace it with "..." when necessary. | |
1753 * Does not handle multi-byte characters! | |
1754 */ | |
1755 void | |
1756 msg_puts_long_attr(longstr, attr) | |
1757 char_u *longstr; | |
1758 int attr; | |
1759 { | |
714 | 1760 msg_puts_long_len_attr(longstr, (int)STRLEN(longstr), attr); |
7 | 1761 } |
1762 | |
1763 void | |
1764 msg_puts_long_len_attr(longstr, len, attr) | |
1765 char_u *longstr; | |
1766 int len; | |
1767 int attr; | |
1768 { | |
1769 int slen = len; | |
1770 int room; | |
1771 | |
1772 room = Columns - msg_col; | |
1773 if (len > room && room >= 20) | |
1774 { | |
1775 slen = (room - 3) / 2; | |
1776 msg_outtrans_len_attr(longstr, slen, attr); | |
1777 msg_puts_attr((char_u *)"...", hl_attr(HLF_8)); | |
1778 } | |
1779 msg_outtrans_len_attr(longstr + len - slen, slen, attr); | |
1780 } | |
1781 | |
1782 /* | |
1783 * Basic function for writing a message with highlight attributes. | |
1784 */ | |
1785 void | |
1786 msg_puts_attr(s, attr) | |
1787 char_u *s; | |
1788 int attr; | |
1789 { | |
1790 msg_puts_attr_len(s, -1, attr); | |
1791 } | |
1792 | |
1793 /* | |
1794 * Like msg_puts_attr(), but with a maximum length "maxlen" (in bytes). | |
1795 * When "maxlen" is -1 there is no maximum length. | |
1796 * When "maxlen" is >= 0 the message is not put in the history. | |
1797 */ | |
1798 static void | |
1799 msg_puts_attr_len(str, maxlen, attr) | |
1800 char_u *str; | |
1801 int maxlen; | |
1802 int attr; | |
1803 { | |
1804 /* | |
1805 * If redirection is on, also write to the redirection file. | |
1806 */ | |
446 | 1807 redir_write(str, maxlen); |
7 | 1808 |
1809 /* | |
1810 * Don't print anything when using ":silent cmd". | |
1811 */ | |
1812 if (msg_silent != 0) | |
1813 return; | |
1814 | |
1815 /* if MSG_HIST flag set, add message to history */ | |
1816 if ((attr & MSG_HIST) && maxlen < 0) | |
1817 { | |
446 | 1818 add_msg_hist(str, -1, attr); |
7 | 1819 attr &= ~MSG_HIST; |
1820 } | |
1821 | |
1822 /* | |
1823 * When writing something to the screen after it has scrolled, requires a | |
1824 * wait-return prompt later. Needed when scrolling, resetting | |
1825 * need_wait_return after some prompt, and then outputting something | |
1826 * without scrolling | |
1827 */ | |
539 | 1828 if (msg_scrolled != 0 && !msg_scrolled_ign) |
7 | 1829 need_wait_return = TRUE; |
1830 msg_didany = TRUE; /* remember that something was outputted */ | |
1831 | |
1832 /* | |
1833 * If there is no valid screen, use fprintf so we can see error messages. | |
1834 * If termcap is not active, we may be writing in an alternate console | |
1835 * window, cursor positioning may not work correctly (window size may be | |
1836 * different, e.g. for Win32 console) or we just don't know where the | |
1837 * cursor is. | |
1838 */ | |
1839 if (msg_use_printf()) | |
446 | 1840 msg_puts_printf(str, maxlen); |
1841 else | |
1842 msg_puts_display(str, maxlen, attr, FALSE); | |
1843 } | |
1844 | |
1845 /* | |
1846 * The display part of msg_puts_attr_len(). | |
1847 * May be called recursively to display scroll-back text. | |
1848 */ | |
1849 static void | |
1850 msg_puts_display(str, maxlen, attr, recurse) | |
1851 char_u *str; | |
1852 int maxlen; | |
1853 int attr; | |
1854 int recurse; | |
1855 { | |
1856 char_u *s = str; | |
1857 char_u *t_s = str; /* string from "t_s" to "s" is still todo */ | |
1858 int t_col = 0; /* screen cells todo, 0 when "t_s" not used */ | |
1859 #ifdef FEAT_MBYTE | |
1860 int l; | |
1861 int cw; | |
7 | 1862 #endif |
446 | 1863 char_u *sb_str = str; |
1864 int sb_col = msg_col; | |
1865 int wrap; | |
1381 | 1866 int did_last_char; |
7 | 1867 |
1868 did_wait_return = FALSE; | |
1339 | 1869 while ((maxlen < 0 || (int)(s - str) < maxlen) && *s != NUL) |
7 | 1870 { |
1871 /* | |
446 | 1872 * We are at the end of the screen line when: |
1873 * - When outputting a newline. | |
1874 * - When outputting a character in the last column. | |
7 | 1875 */ |
446 | 1876 if (!recurse && msg_row >= Rows - 1 && (*s == '\n' || ( |
7 | 1877 #ifdef FEAT_RIGHTLEFT |
1878 cmdmsg_rl | |
1879 ? ( | |
1880 msg_col <= 1 | |
1881 || (*s == TAB && msg_col <= 7) | |
1882 # ifdef FEAT_MBYTE | |
1883 || (has_mbyte && (*mb_ptr2cells)(s) > 1 && msg_col <= 2) | |
1884 # endif | |
1885 ) | |
1886 : | |
1887 #endif | |
1888 (msg_col + t_col >= Columns - 1 | |
1889 || (*s == TAB && msg_col + t_col >= ((Columns - 1) & ~7)) | |
1890 # ifdef FEAT_MBYTE | |
1891 || (has_mbyte && (*mb_ptr2cells)(s) > 1 | |
1892 && msg_col + t_col >= Columns - 2) | |
1893 # endif | |
1894 )))) | |
1895 { | |
446 | 1896 /* |
1897 * The screen is scrolled up when at the last row (some terminals | |
1898 * scroll automatically, some don't. To avoid problems we scroll | |
1899 * ourselves). | |
1900 */ | |
7 | 1901 if (t_col > 0) |
1902 /* output postponed text */ | |
446 | 1903 t_puts(&t_col, t_s, s, attr); |
7 | 1904 |
1342 | 1905 /* When no more prompt and no more room, truncate here */ |
7 | 1906 if (msg_no_more && lines_left == 0) |
1907 break; | |
446 | 1908 |
1909 /* Scroll the screen up one line. */ | |
1910 msg_scroll_up(); | |
7 | 1911 |
1912 msg_row = Rows - 2; | |
1913 if (msg_col >= Columns) /* can happen after screen resize */ | |
1914 msg_col = Columns - 1; | |
1915 | |
446 | 1916 /* Display char in last column before showing more-prompt. */ |
1917 if (*s >= ' ' | |
1918 #ifdef FEAT_RIGHTLEFT | |
1919 && !cmdmsg_rl | |
1920 #endif | |
1921 ) | |
1922 { | |
1923 #ifdef FEAT_MBYTE | |
1924 if (has_mbyte) | |
1925 { | |
1926 if (enc_utf8 && maxlen >= 0) | |
1927 /* avoid including composing chars after the end */ | |
474 | 1928 l = utfc_ptr2len_len(s, (int)((str + maxlen) - s)); |
446 | 1929 else |
474 | 1930 l = (*mb_ptr2len)(s); |
446 | 1931 s = screen_puts_mbyte(s, l, attr); |
1932 } | |
1933 else | |
1934 #endif | |
1935 msg_screen_putchar(*s++, attr); | |
1381 | 1936 did_last_char = TRUE; |
446 | 1937 } |
1381 | 1938 else |
1939 did_last_char = FALSE; | |
446 | 1940 |
1941 if (p_more) | |
1942 /* store text for scrolling back */ | |
1943 store_sb_text(&sb_str, s, attr, &sb_col, TRUE); | |
1944 | |
539 | 1945 inc_msg_scrolled(); |
446 | 1946 need_wait_return = TRUE; /* may need wait_return in main() */ |
7 | 1947 if (must_redraw < VALID) |
1948 must_redraw = VALID; | |
1949 redraw_cmdline = TRUE; | |
1950 if (cmdline_row > 0 && !exmode_active) | |
1951 --cmdline_row; | |
1952 | |
1953 /* | |
446 | 1954 * If screen is completely filled and 'more' is set then wait |
1955 * for a character. | |
7 | 1956 */ |
1342 | 1957 if (lines_left > 0) |
1958 --lines_left; | |
957 | 1959 if (p_more && lines_left == 0 && State != HITRETURN |
7 | 1960 && !msg_no_more && !exmode_active) |
1961 { | |
1962 #ifdef FEAT_CON_DIALOG | |
446 | 1963 if (do_more_prompt(NUL)) |
1964 s = confirm_msg_tail; | |
1965 #else | |
1966 (void)do_more_prompt(NUL); | |
7 | 1967 #endif |
1968 if (quit_more) | |
446 | 1969 return; |
7 | 1970 } |
539 | 1971 |
1972 /* When we displayed a char in last column need to check if there | |
1973 * is still more. */ | |
1381 | 1974 if (did_last_char) |
539 | 1975 continue; |
7 | 1976 } |
1977 | |
446 | 1978 wrap = *s == '\n' |
7 | 1979 || msg_col + t_col >= Columns |
1980 #ifdef FEAT_MBYTE | |
1981 || (has_mbyte && (*mb_ptr2cells)(s) > 1 | |
1982 && msg_col + t_col >= Columns - 1) | |
1983 #endif | |
446 | 1984 ; |
1985 if (t_col > 0 && (wrap || *s == '\r' || *s == '\b' | |
1986 || *s == '\t' || *s == BELL)) | |
7 | 1987 /* output any postponed text */ |
446 | 1988 t_puts(&t_col, t_s, s, attr); |
1989 | |
1990 if (wrap && p_more && !recurse) | |
1991 /* store text for scrolling back */ | |
1992 store_sb_text(&sb_str, s, attr, &sb_col, TRUE); | |
7 | 1993 |
1994 if (*s == '\n') /* go to next line */ | |
1995 { | |
1996 msg_didout = FALSE; /* remember that line is empty */ | |
474 | 1997 #ifdef FEAT_RIGHTLEFT |
1998 if (cmdmsg_rl) | |
1999 msg_col = Columns - 1; | |
2000 else | |
2001 #endif | |
2002 msg_col = 0; | |
7 | 2003 if (++msg_row >= Rows) /* safety check */ |
2004 msg_row = Rows - 1; | |
2005 } | |
2006 else if (*s == '\r') /* go to column 0 */ | |
2007 { | |
2008 msg_col = 0; | |
2009 } | |
2010 else if (*s == '\b') /* go to previous char */ | |
2011 { | |
2012 if (msg_col) | |
2013 --msg_col; | |
2014 } | |
446 | 2015 else if (*s == TAB) /* translate Tab into spaces */ |
7 | 2016 { |
2017 do | |
2018 msg_screen_putchar(' ', attr); | |
2019 while (msg_col & 7); | |
2020 } | |
2021 else if (*s == BELL) /* beep (from ":sh") */ | |
2022 vim_beep(); | |
2023 else | |
2024 { | |
2025 #ifdef FEAT_MBYTE | |
2026 if (has_mbyte) | |
2027 { | |
2028 cw = (*mb_ptr2cells)(s); | |
2029 if (enc_utf8 && maxlen >= 0) | |
2030 /* avoid including composing chars after the end */ | |
474 | 2031 l = utfc_ptr2len_len(s, (int)((str + maxlen) - s)); |
7 | 2032 else |
474 | 2033 l = (*mb_ptr2len)(s); |
7 | 2034 } |
2035 else | |
2036 { | |
2037 cw = 1; | |
2038 l = 1; | |
2039 } | |
2040 #endif | |
2041 /* When drawing from right to left or when a double-wide character | |
2042 * doesn't fit, draw a single character here. Otherwise collect | |
2043 * characters and draw them all at once later. */ | |
2044 #if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE) | |
2045 if ( | |
2046 # ifdef FEAT_RIGHTLEFT | |
2047 cmdmsg_rl | |
2048 # ifdef FEAT_MBYTE | |
2049 || | |
2050 # endif | |
2051 # endif | |
2052 # ifdef FEAT_MBYTE | |
2053 (cw > 1 && msg_col + t_col >= Columns - 1) | |
2054 # endif | |
2055 ) | |
2056 { | |
2057 # ifdef FEAT_MBYTE | |
2058 if (l > 1) | |
2059 s = screen_puts_mbyte(s, l, attr) - 1; | |
2060 else | |
2061 # endif | |
2062 msg_screen_putchar(*s, attr); | |
2063 } | |
2064 else | |
2065 #endif | |
2066 { | |
2067 /* postpone this character until later */ | |
2068 if (t_col == 0) | |
2069 t_s = s; | |
2070 #ifdef FEAT_MBYTE | |
2071 t_col += cw; | |
2072 s += l - 1; | |
2073 #else | |
2074 ++t_col; | |
2075 #endif | |
2076 } | |
2077 } | |
2078 ++s; | |
2079 } | |
2080 | |
2081 /* output any postponed text */ | |
2082 if (t_col > 0) | |
446 | 2083 t_puts(&t_col, t_s, s, attr); |
2084 if (p_more && !recurse) | |
2085 store_sb_text(&sb_str, s, attr, &sb_col, FALSE); | |
7 | 2086 |
2087 msg_check(); | |
2088 } | |
2089 | |
2090 /* | |
446 | 2091 * Scroll the screen up one line for displaying the next message line. |
2092 */ | |
2093 static void | |
2094 msg_scroll_up() | |
2095 { | |
2096 #ifdef FEAT_GUI | |
2097 /* Remove the cursor before scrolling, ScreenLines[] is going | |
2098 * to become invalid. */ | |
2099 if (gui.in_use) | |
2100 gui_undraw_cursor(); | |
2101 #endif | |
2102 /* scrolling up always works */ | |
2103 screen_del_lines(0, 0, 1, (int)Rows, TRUE, NULL); | |
2104 | |
2105 if (!can_clear((char_u *)" ")) | |
2106 { | |
2107 /* Scrolling up doesn't result in the right background. Set the | |
2108 * background here. It's not efficient, but avoids that we have to do | |
2109 * it all over the code. */ | |
2110 screen_fill((int)Rows - 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2111 | |
2112 /* Also clear the last char of the last but one line if it was not | |
2113 * cleared before to avoid a scroll-up. */ | |
2114 if (ScreenAttrs[LineOffset[Rows - 2] + Columns - 1] == (sattr_T)-1) | |
2115 screen_fill((int)Rows - 2, (int)Rows - 1, | |
2116 (int)Columns - 1, (int)Columns, ' ', ' ', 0); | |
2117 } | |
2118 } | |
2119 | |
2120 /* | |
539 | 2121 * Increment "msg_scrolled". |
2122 */ | |
2123 static void | |
2124 inc_msg_scrolled() | |
2125 { | |
2126 #ifdef FEAT_EVAL | |
2127 if (*get_vim_var_str(VV_SCROLLSTART) == NUL) | |
2128 { | |
2129 char_u *p = sourcing_name; | |
2130 char_u *tofree = NULL; | |
2131 int len; | |
2132 | |
2133 /* v:scrollstart is empty, set it to the script/function name and line | |
2134 * number */ | |
2135 if (p == NULL) | |
2136 p = (char_u *)_("Unknown"); | |
2137 else | |
2138 { | |
835 | 2139 len = (int)STRLEN(p) + 40; |
539 | 2140 tofree = alloc(len); |
2141 if (tofree != NULL) | |
2142 { | |
2143 vim_snprintf((char *)tofree, len, _("%s line %ld"), | |
2144 p, (long)sourcing_lnum); | |
2145 p = tofree; | |
2146 } | |
2147 } | |
2148 set_vim_var_string(VV_SCROLLSTART, p, -1); | |
2149 vim_free(tofree); | |
2150 } | |
2151 #endif | |
2152 ++msg_scrolled; | |
2153 } | |
2154 | |
2155 /* | |
446 | 2156 * To be able to scroll back at the "more" and "hit-enter" prompts we need to |
2157 * store the displayed text and remember where screen lines start. | |
2158 */ | |
2159 typedef struct msgchunk_S msgchunk_T; | |
2160 struct msgchunk_S | |
2161 { | |
2162 msgchunk_T *sb_next; | |
2163 msgchunk_T *sb_prev; | |
2164 char sb_eol; /* TRUE when line ends after this text */ | |
2165 int sb_msg_col; /* column in which text starts */ | |
2166 int sb_attr; /* text attributes */ | |
2167 char_u sb_text[1]; /* text to be displayed, actually longer */ | |
2168 }; | |
2169 | |
2170 static msgchunk_T *last_msgchunk = NULL; /* last displayed text */ | |
2171 | |
2172 static msgchunk_T *msg_sb_start __ARGS((msgchunk_T *mps)); | |
2173 static msgchunk_T *disp_sb_line __ARGS((int row, msgchunk_T *smp)); | |
2174 | |
447 | 2175 static int do_clear_sb_text = FALSE; /* clear text on next msg */ |
2176 | |
446 | 2177 /* |
2178 * Store part of a printed message for displaying when scrolling back. | |
2179 */ | |
2180 static void | |
2181 store_sb_text(sb_str, s, attr, sb_col, finish) | |
2182 char_u **sb_str; /* start of string */ | |
2183 char_u *s; /* just after string */ | |
2184 int attr; | |
2185 int *sb_col; | |
2186 int finish; /* line ends */ | |
2187 { | |
2188 msgchunk_T *mp; | |
2189 | |
447 | 2190 if (do_clear_sb_text) |
2191 { | |
2192 clear_sb_text(); | |
2193 do_clear_sb_text = FALSE; | |
2194 } | |
2195 | |
446 | 2196 if (s > *sb_str) |
2197 { | |
2198 mp = (msgchunk_T *)alloc((int)(sizeof(msgchunk_T) + (s - *sb_str))); | |
2199 if (mp != NULL) | |
2200 { | |
2201 mp->sb_eol = finish; | |
2202 mp->sb_msg_col = *sb_col; | |
2203 mp->sb_attr = attr; | |
2204 vim_strncpy(mp->sb_text, *sb_str, s - *sb_str); | |
2205 | |
2206 if (last_msgchunk == NULL) | |
2207 { | |
2208 last_msgchunk = mp; | |
2209 mp->sb_prev = NULL; | |
2210 } | |
2211 else | |
2212 { | |
2213 mp->sb_prev = last_msgchunk; | |
2214 last_msgchunk->sb_next = mp; | |
2215 last_msgchunk = mp; | |
2216 } | |
2217 mp->sb_next = NULL; | |
2218 } | |
2219 } | |
2220 else if (finish && last_msgchunk != NULL) | |
2221 last_msgchunk->sb_eol = TRUE; | |
2222 | |
2223 *sb_str = s; | |
2224 *sb_col = 0; | |
2225 } | |
2226 | |
2227 /* | |
447 | 2228 * Finished showing messages, clear the scroll-back text on the next message. |
2229 */ | |
2230 void | |
2231 may_clear_sb_text() | |
2232 { | |
2233 do_clear_sb_text = TRUE; | |
2234 } | |
2235 | |
2236 /* | |
446 | 2237 * Clear any text remembered for scrolling back. |
2238 * Called when redrawing the screen. | |
2239 */ | |
2240 void | |
2241 clear_sb_text() | |
2242 { | |
2243 msgchunk_T *mp; | |
2244 | |
2245 while (last_msgchunk != NULL) | |
2246 { | |
2247 mp = last_msgchunk->sb_prev; | |
2248 vim_free(last_msgchunk); | |
2249 last_msgchunk = mp; | |
2250 } | |
2251 } | |
2252 | |
2253 /* | |
447 | 2254 * "g<" command. |
2255 */ | |
2256 void | |
2257 show_sb_text() | |
2258 { | |
2259 msgchunk_T *mp; | |
2260 | |
1342 | 2261 /* Only show something if there is more than one line, otherwise it looks |
447 | 2262 * weird, typing a command without output results in one line. */ |
2263 mp = msg_sb_start(last_msgchunk); | |
2264 if (mp == NULL || mp->sb_prev == NULL) | |
2265 vim_beep(); | |
2266 else | |
2267 { | |
2268 do_more_prompt('G'); | |
2269 wait_return(FALSE); | |
2270 } | |
2271 } | |
2272 | |
2273 /* | |
446 | 2274 * Move to the start of screen line in already displayed text. |
2275 */ | |
2276 static msgchunk_T * | |
2277 msg_sb_start(mps) | |
2278 msgchunk_T *mps; | |
2279 { | |
2280 msgchunk_T *mp = mps; | |
2281 | |
2282 while (mp != NULL && mp->sb_prev != NULL && !mp->sb_prev->sb_eol) | |
2283 mp = mp->sb_prev; | |
2284 return mp; | |
2285 } | |
2286 | |
2287 /* | |
2288 * Display a screen line from previously displayed text at row "row". | |
2289 * Returns a pointer to the text for the next line (can be NULL). | |
2290 */ | |
2291 static msgchunk_T * | |
2292 disp_sb_line(row, smp) | |
2293 int row; | |
2294 msgchunk_T *smp; | |
2295 { | |
2296 msgchunk_T *mp = smp; | |
2297 char_u *p; | |
2298 | |
2299 for (;;) | |
2300 { | |
2301 msg_row = row; | |
2302 msg_col = mp->sb_msg_col; | |
2303 p = mp->sb_text; | |
2304 if (*p == '\n') /* don't display the line break */ | |
2305 ++p; | |
2306 msg_puts_display(p, -1, mp->sb_attr, TRUE); | |
2307 if (mp->sb_eol || mp->sb_next == NULL) | |
2308 break; | |
2309 mp = mp->sb_next; | |
2310 } | |
2311 return mp->sb_next; | |
2312 } | |
2313 | |
2314 /* | |
7 | 2315 * Output any postponed text for msg_puts_attr_len(). |
2316 */ | |
2317 static void | |
2318 t_puts(t_col, t_s, s, attr) | |
446 | 2319 int *t_col; |
7 | 2320 char_u *t_s; |
2321 char_u *s; | |
2322 int attr; | |
2323 { | |
2324 /* output postponed text */ | |
2325 msg_didout = TRUE; /* remember that line is not empty */ | |
2326 screen_puts_len(t_s, (int)(s - t_s), msg_row, msg_col, attr); | |
446 | 2327 msg_col += *t_col; |
2328 *t_col = 0; | |
7 | 2329 #ifdef FEAT_MBYTE |
2330 /* If the string starts with a composing character don't increment the | |
2331 * column position for it. */ | |
2332 if (enc_utf8 && utf_iscomposing(utf_ptr2char(t_s))) | |
2333 --msg_col; | |
2334 #endif | |
2335 if (msg_col >= Columns) | |
2336 { | |
2337 msg_col = 0; | |
2338 ++msg_row; | |
2339 } | |
2340 } | |
2341 | |
2342 /* | |
2343 * Returns TRUE when messages should be printed with mch_errmsg(). | |
2344 * This is used when there is no valid screen, so we can see error messages. | |
2345 * If termcap is not active, we may be writing in an alternate console | |
2346 * window, cursor positioning may not work correctly (window size may be | |
2347 * different, e.g. for Win32 console) or we just don't know where the | |
2348 * cursor is. | |
2349 */ | |
2350 int | |
2351 msg_use_printf() | |
2352 { | |
2353 return (!msg_check_screen() | |
2354 #if defined(WIN3264) && !defined(FEAT_GUI_MSWIN) | |
2355 || !termcap_active | |
2356 #endif | |
2357 || (swapping_screen() && !termcap_active) | |
2358 ); | |
2359 } | |
2360 | |
446 | 2361 /* |
2362 * Print a message when there is no valid screen. | |
2363 */ | |
2364 static void | |
2365 msg_puts_printf(str, maxlen) | |
2366 char_u *str; | |
2367 int maxlen; | |
2368 { | |
2369 char_u *s = str; | |
2370 char_u buf[4]; | |
2371 char_u *p; | |
2372 | |
2373 #ifdef WIN3264 | |
2374 if (!(silent_mode && p_verbose == 0)) | |
2375 mch_settmode(TMODE_COOK); /* handle '\r' and '\n' correctly */ | |
2376 #endif | |
2377 while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) | |
2378 { | |
2379 if (!(silent_mode && p_verbose == 0)) | |
2380 { | |
2381 /* NL --> CR NL translation (for Unix, not for "--version") */ | |
2382 /* NL --> CR translation (for Mac) */ | |
2383 p = &buf[0]; | |
2384 if (*s == '\n' && !info_message) | |
2385 *p++ = '\r'; | |
2386 #if defined(USE_CR) && !defined(MACOS_X_UNIX) | |
2387 else | |
2388 #endif | |
2389 *p++ = *s; | |
2390 *p = '\0'; | |
2391 if (info_message) /* informative message, not an error */ | |
2392 mch_msg((char *)buf); | |
2393 else | |
2394 mch_errmsg((char *)buf); | |
2395 } | |
2396 | |
2397 /* primitive way to compute the current column */ | |
2398 #ifdef FEAT_RIGHTLEFT | |
2399 if (cmdmsg_rl) | |
2400 { | |
2401 if (*s == '\r' || *s == '\n') | |
2402 msg_col = Columns - 1; | |
2403 else | |
2404 --msg_col; | |
2405 } | |
2406 else | |
2407 #endif | |
2408 { | |
2409 if (*s == '\r' || *s == '\n') | |
2410 msg_col = 0; | |
2411 else | |
2412 ++msg_col; | |
2413 } | |
2414 ++s; | |
2415 } | |
2416 msg_didout = TRUE; /* assume that line is not empty */ | |
2417 | |
2418 #ifdef WIN3264 | |
2419 if (!(silent_mode && p_verbose == 0)) | |
2420 mch_settmode(TMODE_RAW); | |
2421 #endif | |
2422 } | |
2423 | |
2424 /* | |
2425 * Show the more-prompt and handle the user response. | |
2426 * This takes care of scrolling back and displaying previously displayed text. | |
447 | 2427 * When at hit-enter prompt "typed_char" is the already typed character, |
2428 * otherwise it's NUL. | |
446 | 2429 * Returns TRUE when jumping ahead to "confirm_msg_tail". |
2430 */ | |
2431 static int | |
2432 do_more_prompt(typed_char) | |
2433 int typed_char; | |
2434 { | |
2435 int used_typed_char = typed_char; | |
2436 int oldState = State; | |
2437 int c; | |
2438 #ifdef FEAT_CON_DIALOG | |
2439 int retval = FALSE; | |
2440 #endif | |
2441 int scroll; | |
2442 msgchunk_T *mp_last = NULL; | |
2443 msgchunk_T *mp; | |
2444 int i; | |
2445 | |
447 | 2446 if (typed_char == 'G') |
2447 { | |
2448 /* "g<": Find first line on the last page. */ | |
2449 mp_last = msg_sb_start(last_msgchunk); | |
2450 for (i = 0; i < Rows - 2 && mp_last != NULL | |
2451 && mp_last->sb_prev != NULL; ++i) | |
2452 mp_last = msg_sb_start(mp_last->sb_prev); | |
2453 } | |
2454 | |
446 | 2455 State = ASKMORE; |
2456 #ifdef FEAT_MOUSE | |
2457 setmouse(); | |
2458 #endif | |
447 | 2459 if (typed_char == NUL) |
2460 msg_moremsg(FALSE); | |
446 | 2461 for (;;) |
2462 { | |
2463 /* | |
2464 * Get a typed character directly from the user. | |
2465 */ | |
2466 if (used_typed_char != NUL) | |
2467 { | |
2468 c = used_typed_char; /* was typed at hit-enter prompt */ | |
2469 used_typed_char = NUL; | |
2470 } | |
2471 else | |
2472 c = get_keystroke(); | |
2473 | |
2474 #if defined(FEAT_MENU) && defined(FEAT_GUI) | |
2475 if (c == K_MENU) | |
2476 { | |
2477 int idx = get_menu_index(current_menu, ASKMORE); | |
2478 | |
2479 /* Used a menu. If it starts with CTRL-Y, it must | |
2480 * be a "Copy" for the clipboard. Otherwise | |
2481 * assume that we end */ | |
2482 if (idx == MENU_INDEX_INVALID) | |
2483 continue; | |
2484 c = *current_menu->strings[idx]; | |
2485 if (c != NUL && current_menu->strings[idx][1] != NUL) | |
2486 ins_typebuf(current_menu->strings[idx] + 1, | |
2487 current_menu->noremap[idx], 0, TRUE, | |
2488 current_menu->silent[idx]); | |
2489 } | |
2490 #endif | |
2491 | |
2492 scroll = 0; | |
2493 switch (c) | |
2494 { | |
2495 case BS: /* scroll one line back */ | |
2496 case K_BS: | |
2497 case 'k': | |
2498 case K_UP: | |
2499 scroll = -1; | |
2500 break; | |
2501 | |
2502 case CAR: /* one extra line */ | |
2503 case NL: | |
2504 case 'j': | |
2505 case K_DOWN: | |
2506 scroll = 1; | |
2507 break; | |
2508 | |
2509 case 'u': /* Up half a page */ | |
2510 scroll = -(Rows / 2); | |
2511 break; | |
2512 | |
2513 case 'd': /* Down half a page */ | |
2514 scroll = Rows / 2; | |
2515 break; | |
2516 | |
2517 case 'b': /* one page back */ | |
1820 | 2518 case K_PAGEUP: |
446 | 2519 scroll = -(Rows - 1); |
2520 break; | |
2521 | |
2522 case ' ': /* one extra page */ | |
1820 | 2523 case 'f': |
446 | 2524 case K_PAGEDOWN: |
2525 case K_LEFTMOUSE: | |
2526 scroll = Rows - 1; | |
2527 break; | |
2528 | |
447 | 2529 case 'g': /* all the way back to the start */ |
2530 scroll = -999999; | |
2531 break; | |
2532 | |
2533 case 'G': /* all the way to the end */ | |
2534 scroll = 999999; | |
2535 lines_left = 999999; | |
2536 break; | |
2537 | |
446 | 2538 case ':': /* start new command line */ |
2539 #ifdef FEAT_CON_DIALOG | |
2540 if (!confirm_msg_used) | |
2541 #endif | |
2542 { | |
2543 /* Since got_int is set all typeahead will be flushed, but we | |
2544 * want to keep this ':', remember that in a special way. */ | |
2545 typeahead_noflush(':'); | |
2546 cmdline_row = Rows - 1; /* put ':' on this line */ | |
2547 skip_redraw = TRUE; /* skip redraw once */ | |
2548 need_wait_return = FALSE; /* don't wait in main() */ | |
2549 } | |
2550 /*FALLTHROUGH*/ | |
2551 case 'q': /* quit */ | |
2552 case Ctrl_C: | |
2553 case ESC: | |
2554 #ifdef FEAT_CON_DIALOG | |
2555 if (confirm_msg_used) | |
2556 { | |
2557 /* Jump to the choices of the dialog. */ | |
2558 retval = TRUE; | |
2559 } | |
2560 else | |
2561 #endif | |
2562 { | |
2563 got_int = TRUE; | |
2564 quit_more = TRUE; | |
2565 } | |
1829 | 2566 /* When there is some more output (wrapping line) display that |
2567 * without another prompt. */ | |
2568 lines_left = Rows - 1; | |
446 | 2569 break; |
2570 | |
2571 #ifdef FEAT_CLIPBOARD | |
2572 case Ctrl_Y: | |
2573 /* Strange way to allow copying (yanking) a modeless | |
2574 * selection at the more prompt. Use CTRL-Y, | |
2575 * because the same is used in Cmdline-mode and at the | |
2576 * hit-enter prompt. However, scrolling one line up | |
2577 * might be expected... */ | |
2578 if (clip_star.state == SELECT_DONE) | |
2579 clip_copy_modeless_selection(TRUE); | |
2580 continue; | |
2581 #endif | |
2582 default: /* no valid response */ | |
2583 msg_moremsg(TRUE); | |
2584 continue; | |
2585 } | |
2586 | |
2587 if (scroll != 0) | |
2588 { | |
2589 if (scroll < 0) | |
2590 { | |
2591 /* go to start of last line */ | |
2592 if (mp_last == NULL) | |
2593 mp = msg_sb_start(last_msgchunk); | |
2594 else if (mp_last->sb_prev != NULL) | |
2595 mp = msg_sb_start(mp_last->sb_prev); | |
2596 else | |
2597 mp = NULL; | |
2598 | |
2599 /* go to start of line at top of the screen */ | |
2600 for (i = 0; i < Rows - 2 && mp != NULL && mp->sb_prev != NULL; | |
2601 ++i) | |
2602 mp = msg_sb_start(mp->sb_prev); | |
2603 | |
2604 if (mp != NULL && mp->sb_prev != NULL) | |
2605 { | |
2606 /* Find line to be displayed at top. */ | |
2607 for (i = 0; i > scroll; --i) | |
2608 { | |
2609 if (mp == NULL || mp->sb_prev == NULL) | |
2610 break; | |
2611 mp = msg_sb_start(mp->sb_prev); | |
2612 if (mp_last == NULL) | |
2613 mp_last = msg_sb_start(last_msgchunk); | |
2614 else | |
2615 mp_last = msg_sb_start(mp_last->sb_prev); | |
2616 } | |
2617 | |
2618 if (scroll == -1 && screen_ins_lines(0, 0, 1, | |
2619 (int)Rows, NULL) == OK) | |
2620 { | |
447 | 2621 /* display line at top */ |
446 | 2622 (void)disp_sb_line(0, mp); |
2623 } | |
2624 else | |
2625 { | |
447 | 2626 /* redisplay all lines */ |
446 | 2627 screenclear(); |
870 | 2628 for (i = 0; mp != NULL && i < Rows - 1; ++i) |
2629 { | |
446 | 2630 mp = disp_sb_line(i, mp); |
870 | 2631 ++msg_scrolled; |
2632 } | |
446 | 2633 } |
2634 scroll = 0; | |
2635 } | |
2636 } | |
2637 else | |
2638 { | |
2639 /* First display any text that we scrolled back. */ | |
2640 while (scroll > 0 && mp_last != NULL) | |
2641 { | |
2642 /* scroll up, display line at bottom */ | |
2643 msg_scroll_up(); | |
539 | 2644 inc_msg_scrolled(); |
446 | 2645 screen_fill((int)Rows - 2, (int)Rows - 1, 0, |
2646 (int)Columns, ' ', ' ', 0); | |
2647 mp_last = disp_sb_line((int)Rows - 2, mp_last); | |
2648 --scroll; | |
2649 } | |
2650 } | |
2651 | |
1342 | 2652 if (scroll <= 0) |
446 | 2653 { |
2654 /* displayed the requested text, more prompt again */ | |
447 | 2655 screen_fill((int)Rows - 1, (int)Rows, 0, |
2656 (int)Columns, ' ', ' ', 0); | |
446 | 2657 msg_moremsg(FALSE); |
2658 continue; | |
2659 } | |
2660 | |
2661 /* display more text, return to caller */ | |
2662 lines_left = scroll; | |
2663 } | |
2664 | |
2665 break; | |
2666 } | |
2667 | |
2668 /* clear the --more-- message */ | |
2669 screen_fill((int)Rows - 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2670 State = oldState; | |
2671 #ifdef FEAT_MOUSE | |
2672 setmouse(); | |
2673 #endif | |
2674 if (quit_more) | |
2675 { | |
2676 msg_row = Rows - 1; | |
2677 msg_col = 0; | |
2678 } | |
2679 #ifdef FEAT_RIGHTLEFT | |
2680 else if (cmdmsg_rl) | |
2681 msg_col = Columns - 1; | |
2682 #endif | |
2683 | |
2684 #ifdef FEAT_CON_DIALOG | |
2685 return retval; | |
2686 #else | |
2687 return FALSE; | |
2688 #endif | |
2689 } | |
2690 | |
7 | 2691 #if defined(USE_MCH_ERRMSG) || defined(PROTO) |
2692 | |
2693 #ifdef mch_errmsg | |
2694 # undef mch_errmsg | |
2695 #endif | |
2696 #ifdef mch_msg | |
2697 # undef mch_msg | |
2698 #endif | |
2699 | |
2700 /* | |
2701 * Give an error message. To be used when the screen hasn't been initialized | |
2702 * yet. When stderr can't be used, collect error messages until the GUI has | |
2703 * started and they can be displayed in a message box. | |
2704 */ | |
2705 void | |
2706 mch_errmsg(str) | |
2707 char *str; | |
2708 { | |
2709 int len; | |
2710 | |
2711 #if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) | |
2712 /* On Unix use stderr if it's a tty. | |
2713 * When not going to start the GUI also use stderr. | |
2714 * On Mac, when started from Finder, stderr is the console. */ | |
2715 if ( | |
2716 # ifdef UNIX | |
2717 # ifdef MACOS_X_UNIX | |
2718 (isatty(2) && strcmp("/dev/console", ttyname(2)) != 0) | |
2719 # else | |
2720 isatty(2) | |
2721 # endif | |
2722 # ifdef FEAT_GUI | |
2723 || | |
2724 # endif | |
2725 # endif | |
2726 # ifdef FEAT_GUI | |
2727 !(gui.in_use || gui.starting) | |
2728 # endif | |
2729 ) | |
2730 { | |
2731 fprintf(stderr, "%s", str); | |
2732 return; | |
2733 } | |
2734 #endif | |
2735 | |
2736 /* avoid a delay for a message that isn't there */ | |
2737 emsg_on_display = FALSE; | |
2738 | |
2739 len = (int)STRLEN(str) + 1; | |
2740 if (error_ga.ga_growsize == 0) | |
2741 { | |
2742 error_ga.ga_growsize = 80; | |
2743 error_ga.ga_itemsize = 1; | |
2744 } | |
2745 if (ga_grow(&error_ga, len) == OK) | |
2746 { | |
2747 mch_memmove((char_u *)error_ga.ga_data + error_ga.ga_len, | |
2748 (char_u *)str, len); | |
2749 #ifdef UNIX | |
2750 /* remove CR characters, they are displayed */ | |
2751 { | |
2752 char_u *p; | |
2753 | |
2754 p = (char_u *)error_ga.ga_data + error_ga.ga_len; | |
2755 for (;;) | |
2756 { | |
2757 p = vim_strchr(p, '\r'); | |
2758 if (p == NULL) | |
2759 break; | |
2760 *p = ' '; | |
2761 } | |
2762 } | |
2763 #endif | |
2764 --len; /* don't count the NUL at the end */ | |
2765 error_ga.ga_len += len; | |
2766 } | |
2767 } | |
2768 | |
2769 /* | |
2770 * Give a message. To be used when the screen hasn't been initialized yet. | |
2771 * When there is no tty, collect messages until the GUI has started and they | |
2772 * can be displayed in a message box. | |
2773 */ | |
2774 void | |
2775 mch_msg(str) | |
2776 char *str; | |
2777 { | |
2778 #if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) | |
2779 /* On Unix use stdout if we have a tty. This allows "vim -h | more" and | |
2780 * uses mch_errmsg() when started from the desktop. | |
2781 * When not going to start the GUI also use stdout. | |
2782 * On Mac, when started from Finder, stderr is the console. */ | |
2783 if ( | |
2784 # ifdef UNIX | |
2785 # ifdef MACOS_X_UNIX | |
2786 (isatty(2) && strcmp("/dev/console", ttyname(2)) != 0) | |
2787 # else | |
2788 isatty(2) | |
2789 # endif | |
2790 # ifdef FEAT_GUI | |
2791 || | |
2792 # endif | |
2793 # endif | |
2794 # ifdef FEAT_GUI | |
2795 !(gui.in_use || gui.starting) | |
2796 # endif | |
2797 ) | |
2798 { | |
2799 printf("%s", str); | |
2800 return; | |
2801 } | |
2802 # endif | |
2803 mch_errmsg(str); | |
2804 } | |
2805 #endif /* USE_MCH_ERRMSG */ | |
2806 | |
2807 /* | |
2808 * Put a character on the screen at the current message position and advance | |
2809 * to the next position. Only for printable ASCII! | |
2810 */ | |
2811 static void | |
2812 msg_screen_putchar(c, attr) | |
2813 int c; | |
2814 int attr; | |
2815 { | |
2816 msg_didout = TRUE; /* remember that line is not empty */ | |
2817 screen_putchar(c, msg_row, msg_col, attr); | |
2818 #ifdef FEAT_RIGHTLEFT | |
2819 if (cmdmsg_rl) | |
2820 { | |
2821 if (--msg_col == 0) | |
2822 { | |
2823 msg_col = Columns; | |
2824 ++msg_row; | |
2825 } | |
2826 } | |
2827 else | |
2828 #endif | |
2829 { | |
2830 if (++msg_col >= Columns) | |
2831 { | |
2832 msg_col = 0; | |
2833 ++msg_row; | |
2834 } | |
2835 } | |
2836 } | |
2837 | |
2838 void | |
2839 msg_moremsg(full) | |
2840 int full; | |
2841 { | |
446 | 2842 int attr; |
2843 char_u *s = (char_u *)_("-- More --"); | |
7 | 2844 |
2845 attr = hl_attr(HLF_M); | |
446 | 2846 screen_puts(s, (int)Rows - 1, 0, attr); |
7 | 2847 if (full) |
446 | 2848 screen_puts((char_u *) |
2849 _(" SPACE/d/j: screen/page/line down, b/u/k: up, q: quit "), | |
2850 (int)Rows - 1, vim_strsize(s), attr); | |
7 | 2851 } |
2852 | |
2853 /* | |
2854 * Repeat the message for the current mode: ASKMORE, EXTERNCMD, CONFIRM or | |
2855 * exmode_active. | |
2856 */ | |
2857 void | |
2858 repeat_message() | |
2859 { | |
2860 if (State == ASKMORE) | |
2861 { | |
2862 msg_moremsg(TRUE); /* display --more-- message again */ | |
2863 msg_row = Rows - 1; | |
2864 } | |
2865 #ifdef FEAT_CON_DIALOG | |
2866 else if (State == CONFIRM) | |
2867 { | |
2868 display_confirm_msg(); /* display ":confirm" message again */ | |
2869 msg_row = Rows - 1; | |
2870 } | |
2871 #endif | |
2872 else if (State == EXTERNCMD) | |
2873 { | |
2874 windgoto(msg_row, msg_col); /* put cursor back */ | |
2875 } | |
2876 else if (State == HITRETURN || State == SETWSIZE) | |
2877 { | |
1445 | 2878 if (msg_row == Rows - 1) |
2879 { | |
2880 /* Avoid drawing the "hit-enter" prompt below the previous one, | |
2881 * overwrite it. Esp. useful when regaining focus and a | |
2882 * FocusGained autocmd exists but didn't draw anything. */ | |
2883 msg_didout = FALSE; | |
2884 msg_col = 0; | |
2885 msg_clr_eos(); | |
2886 } | |
7 | 2887 hit_return_msg(); |
2888 msg_row = Rows - 1; | |
2889 } | |
2890 } | |
2891 | |
2892 /* | |
2893 * msg_check_screen - check if the screen is initialized. | |
2894 * Also check msg_row and msg_col, if they are too big it may cause a crash. | |
2895 * While starting the GUI the terminal codes will be set for the GUI, but the | |
2896 * output goes to the terminal. Don't use the terminal codes then. | |
2897 */ | |
2898 static int | |
2899 msg_check_screen() | |
2900 { | |
2901 if (!full_screen || !screen_valid(FALSE)) | |
2902 return FALSE; | |
2903 | |
2904 if (msg_row >= Rows) | |
2905 msg_row = Rows - 1; | |
2906 if (msg_col >= Columns) | |
2907 msg_col = Columns - 1; | |
2908 return TRUE; | |
2909 } | |
2910 | |
2911 /* | |
2912 * Clear from current message position to end of screen. | |
2913 * Skip this when ":silent" was used, no need to clear for redirection. | |
2914 */ | |
2915 void | |
2916 msg_clr_eos() | |
2917 { | |
2918 if (msg_silent == 0) | |
2919 msg_clr_eos_force(); | |
2920 } | |
2921 | |
2922 /* | |
2923 * Clear from current message position to end of screen. | |
2924 * Note: msg_col is not updated, so we remember the end of the message | |
2925 * for msg_check(). | |
2926 */ | |
2927 void | |
2928 msg_clr_eos_force() | |
2929 { | |
2930 if (msg_use_printf()) | |
2931 { | |
2932 if (full_screen) /* only when termcap codes are valid */ | |
2933 { | |
2934 if (*T_CD) | |
2935 out_str(T_CD); /* clear to end of display */ | |
2936 else if (*T_CE) | |
2937 out_str(T_CE); /* clear to end of line */ | |
2938 } | |
2939 } | |
2940 else | |
2941 { | |
2942 #ifdef FEAT_RIGHTLEFT | |
2943 if (cmdmsg_rl) | |
2944 { | |
2945 screen_fill(msg_row, msg_row + 1, 0, msg_col + 1, ' ', ' ', 0); | |
2946 screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2947 } | |
2948 else | |
2949 #endif | |
2950 { | |
2951 screen_fill(msg_row, msg_row + 1, msg_col, (int)Columns, | |
2952 ' ', ' ', 0); | |
2953 screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2954 } | |
2955 } | |
2956 } | |
2957 | |
2958 /* | |
2959 * Clear the command line. | |
2960 */ | |
2961 void | |
2962 msg_clr_cmdline() | |
2963 { | |
2964 msg_row = cmdline_row; | |
2965 msg_col = 0; | |
2966 msg_clr_eos_force(); | |
2967 } | |
2968 | |
2969 /* | |
2970 * end putting a message on the screen | |
2971 * call wait_return if the message does not fit in the available space | |
2972 * return TRUE if wait_return not called. | |
2973 */ | |
2974 int | |
2975 msg_end() | |
2976 { | |
2977 /* | |
2978 * if the string is larger than the window, | |
2979 * or the ruler option is set and we run into it, | |
2980 * we have to redraw the window. | |
2981 * Do not do this if we are abandoning the file or editing the command line. | |
2982 */ | |
2983 if (!exiting && need_wait_return && !(State & CMDLINE)) | |
2984 { | |
2985 wait_return(FALSE); | |
2986 return FALSE; | |
2987 } | |
2988 out_flush(); | |
2989 return TRUE; | |
2990 } | |
2991 | |
2992 /* | |
2993 * If the written message runs into the shown command or ruler, we have to | |
2994 * wait for hit-return and redraw the window later. | |
2995 */ | |
2996 void | |
2997 msg_check() | |
2998 { | |
2999 if (msg_row == Rows - 1 && msg_col >= sc_col) | |
3000 { | |
3001 need_wait_return = TRUE; | |
3002 redraw_cmdline = TRUE; | |
3003 } | |
3004 } | |
3005 | |
3006 /* | |
3007 * May write a string to the redirection file. | |
3008 * When "maxlen" is -1 write the whole string, otherwise up to "maxlen" bytes. | |
3009 */ | |
3010 static void | |
3011 redir_write(str, maxlen) | |
3012 char_u *str; | |
3013 int maxlen; | |
3014 { | |
3015 char_u *s = str; | |
3016 static int cur_col = 0; | |
3017 | |
291 | 3018 /* Don't do anything for displaying prompts and the like. */ |
3019 if (redir_off) | |
3020 return; | |
3021 | |
3022 /* | |
3023 * If 'verbosefile' is set write message in that file. | |
3024 * Must come before the rest because of updating "msg_col". | |
3025 */ | |
3026 if (*p_vfile != NUL) | |
3027 verbose_write(s, maxlen); | |
3028 | |
1854 | 3029 if (redirecting()) |
7 | 3030 { |
3031 /* If the string doesn't start with CR or NL, go to msg_col */ | |
3032 if (*s != '\n' && *s != '\r') | |
3033 { | |
3034 while (cur_col < msg_col) | |
3035 { | |
3036 #ifdef FEAT_EVAL | |
3037 if (redir_reg) | |
3038 write_reg_contents(redir_reg, (char_u *)" ", -1, TRUE); | |
167 | 3039 else if (redir_vname) |
3040 var_redir_str((char_u *)" ", -1); | |
7 | 3041 else if (redir_fd) |
3042 #endif | |
3043 fputs(" ", redir_fd); | |
3044 ++cur_col; | |
3045 } | |
3046 } | |
3047 | |
3048 #ifdef FEAT_EVAL | |
3049 if (redir_reg) | |
3050 write_reg_contents(redir_reg, s, maxlen, TRUE); | |
167 | 3051 if (redir_vname) |
3052 var_redir_str(s, maxlen); | |
7 | 3053 #endif |
3054 | |
3055 /* Adjust the current column */ | |
3056 while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) | |
3057 { | |
3058 #ifdef FEAT_EVAL | |
167 | 3059 if (!redir_reg && !redir_vname && redir_fd != NULL) |
7 | 3060 #endif |
3061 putc(*s, redir_fd); | |
3062 if (*s == '\r' || *s == '\n') | |
3063 cur_col = 0; | |
3064 else if (*s == '\t') | |
3065 cur_col += (8 - cur_col % 8); | |
3066 else | |
3067 ++cur_col; | |
3068 ++s; | |
3069 } | |
3070 | |
3071 if (msg_silent != 0) /* should update msg_col */ | |
3072 msg_col = cur_col; | |
3073 } | |
3074 } | |
3075 | |
1854 | 3076 int |
3077 redirecting() | |
3078 { | |
3079 return redir_fd != NULL | |
3080 #ifdef FEAT_EVAL | |
3081 || redir_reg || redir_vname | |
3082 #endif | |
3083 ; | |
3084 } | |
3085 | |
7 | 3086 /* |
1189 | 3087 * Before giving verbose message. |
291 | 3088 * Must always be called paired with verbose_leave()! |
3089 */ | |
3090 void | |
3091 verbose_enter() | |
3092 { | |
3093 if (*p_vfile != NUL) | |
3094 ++msg_silent; | |
3095 } | |
3096 | |
3097 /* | |
3098 * After giving verbose message. | |
3099 * Must always be called paired with verbose_enter()! | |
3100 */ | |
3101 void | |
3102 verbose_leave() | |
3103 { | |
3104 if (*p_vfile != NUL) | |
3105 if (--msg_silent < 0) | |
3106 msg_silent = 0; | |
3107 } | |
3108 | |
3109 /* | |
3110 * Like verbose_enter() and set msg_scroll when displaying the message. | |
3111 */ | |
3112 void | |
3113 verbose_enter_scroll() | |
3114 { | |
3115 if (*p_vfile != NUL) | |
3116 ++msg_silent; | |
3117 else | |
3118 /* always scroll up, don't overwrite */ | |
3119 msg_scroll = TRUE; | |
3120 } | |
3121 | |
3122 /* | |
3123 * Like verbose_leave() and set cmdline_row when displaying the message. | |
3124 */ | |
3125 void | |
3126 verbose_leave_scroll() | |
3127 { | |
3128 if (*p_vfile != NUL) | |
3129 { | |
3130 if (--msg_silent < 0) | |
3131 msg_silent = 0; | |
3132 } | |
3133 else | |
3134 cmdline_row = msg_row; | |
3135 } | |
3136 | |
3137 static FILE *verbose_fd = NULL; | |
3138 static int verbose_did_open = FALSE; | |
3139 | |
3140 /* | |
3141 * Called when 'verbosefile' is set: stop writing to the file. | |
3142 */ | |
3143 void | |
3144 verbose_stop() | |
3145 { | |
3146 if (verbose_fd != NULL) | |
3147 { | |
3148 fclose(verbose_fd); | |
3149 verbose_fd = NULL; | |
3150 } | |
3151 verbose_did_open = FALSE; | |
3152 } | |
3153 | |
3154 /* | |
3155 * Open the file 'verbosefile'. | |
3156 * Return FAIL or OK. | |
3157 */ | |
3158 int | |
3159 verbose_open() | |
3160 { | |
3161 if (verbose_fd == NULL && !verbose_did_open) | |
3162 { | |
3163 /* Only give the error message once. */ | |
3164 verbose_did_open = TRUE; | |
3165 | |
531 | 3166 verbose_fd = mch_fopen((char *)p_vfile, "a"); |
291 | 3167 if (verbose_fd == NULL) |
3168 { | |
3169 EMSG2(_(e_notopen), p_vfile); | |
3170 return FAIL; | |
3171 } | |
3172 } | |
3173 return OK; | |
3174 } | |
3175 | |
3176 /* | |
3177 * Write a string to 'verbosefile'. | |
3178 * When "maxlen" is -1 write the whole string, otherwise up to "maxlen" bytes. | |
3179 */ | |
3180 static void | |
3181 verbose_write(str, maxlen) | |
3182 char_u *str; | |
3183 int maxlen; | |
3184 { | |
3185 char_u *s = str; | |
3186 static int cur_col = 0; | |
3187 | |
3188 /* Open the file when called the first time. */ | |
3189 if (verbose_fd == NULL) | |
3190 verbose_open(); | |
3191 | |
3192 if (verbose_fd != NULL) | |
3193 { | |
3194 /* If the string doesn't start with CR or NL, go to msg_col */ | |
3195 if (*s != '\n' && *s != '\r') | |
3196 { | |
3197 while (cur_col < msg_col) | |
3198 { | |
3199 fputs(" ", verbose_fd); | |
3200 ++cur_col; | |
3201 } | |
3202 } | |
3203 | |
3204 /* Adjust the current column */ | |
3205 while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) | |
3206 { | |
3207 putc(*s, verbose_fd); | |
3208 if (*s == '\r' || *s == '\n') | |
3209 cur_col = 0; | |
3210 else if (*s == '\t') | |
3211 cur_col += (8 - cur_col % 8); | |
3212 else | |
3213 ++cur_col; | |
3214 ++s; | |
3215 } | |
3216 } | |
3217 } | |
3218 | |
3219 /* | |
7 | 3220 * Give a warning message (for searching). |
3221 * Use 'w' highlighting and may repeat the message after redrawing | |
3222 */ | |
3223 void | |
3224 give_warning(message, hl) | |
3225 char_u *message; | |
3226 int hl; | |
3227 { | |
3228 /* Don't do this for ":silent". */ | |
3229 if (msg_silent != 0) | |
3230 return; | |
3231 | |
3232 /* Don't want a hit-enter prompt here. */ | |
3233 ++no_wait_return; | |
8 | 3234 |
7 | 3235 #ifdef FEAT_EVAL |
3236 set_vim_var_string(VV_WARNINGMSG, message, -1); | |
3237 #endif | |
3238 vim_free(keep_msg); | |
3239 keep_msg = NULL; | |
3240 if (hl) | |
3241 keep_msg_attr = hl_attr(HLF_W); | |
3242 else | |
3243 keep_msg_attr = 0; | |
3244 if (msg_attr(message, keep_msg_attr) && msg_scrolled == 0) | |
678 | 3245 set_keep_msg(message, keep_msg_attr); |
7 | 3246 msg_didout = FALSE; /* overwrite this message */ |
3247 msg_nowait = TRUE; /* don't wait for this message */ | |
3248 msg_col = 0; | |
8 | 3249 |
7 | 3250 --no_wait_return; |
3251 } | |
3252 | |
3253 /* | |
3254 * Advance msg cursor to column "col". | |
3255 */ | |
3256 void | |
3257 msg_advance(col) | |
3258 int col; | |
3259 { | |
3260 if (msg_silent != 0) /* nothing to advance to */ | |
3261 { | |
3262 msg_col = col; /* for redirection, may fill it up later */ | |
3263 return; | |
3264 } | |
3265 if (col >= Columns) /* not enough room */ | |
3266 col = Columns - 1; | |
474 | 3267 #ifdef FEAT_RIGHTLEFT |
3268 if (cmdmsg_rl) | |
3269 while (msg_col > Columns - col) | |
3270 msg_putchar(' '); | |
3271 else | |
3272 #endif | |
3273 while (msg_col < col) | |
3274 msg_putchar(' '); | |
7 | 3275 } |
3276 | |
3277 #if defined(FEAT_CON_DIALOG) || defined(PROTO) | |
3278 /* | |
3279 * Used for "confirm()" function, and the :confirm command prefix. | |
3280 * Versions which haven't got flexible dialogs yet, and console | |
3281 * versions, get this generic handler which uses the command line. | |
3282 * | |
3283 * type = one of: | |
3284 * VIM_QUESTION, VIM_INFO, VIM_WARNING, VIM_ERROR or VIM_GENERIC | |
3285 * title = title string (can be NULL for default) | |
3286 * (neither used in console dialogs at the moment) | |
3287 * | |
3288 * Format of the "buttons" string: | |
3289 * "Button1Name\nButton2Name\nButton3Name" | |
3290 * The first button should normally be the default/accept | |
3291 * The second button should be the 'Cancel' button | |
3292 * Other buttons- use your imagination! | |
3293 * A '&' in a button name becomes a shortcut, so each '&' should be before a | |
3294 * different letter. | |
3295 */ | |
3296 int | |
3297 do_dialog(type, title, message, buttons, dfltbutton, textfield) | |
1883 | 3298 int type UNUSED; |
3299 char_u *title UNUSED; | |
7 | 3300 char_u *message; |
3301 char_u *buttons; | |
3302 int dfltbutton; | |
1883 | 3303 char_u *textfield UNUSED; /* IObuff for inputdialog(), NULL |
3304 otherwise */ | |
7 | 3305 { |
3306 int oldState; | |
3307 int retval = 0; | |
3308 char_u *hotkeys; | |
3309 int c; | |
3310 int i; | |
3311 | |
3312 #ifndef NO_CONSOLE | |
3313 /* Don't output anything in silent mode ("ex -s") */ | |
3314 if (silent_mode) | |
3315 return dfltbutton; /* return default option */ | |
3316 #endif | |
3317 | |
3318 #ifdef FEAT_GUI_DIALOG | |
3319 /* When GUI is running and 'c' not in 'guioptions', use the GUI dialog */ | |
3320 if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL) | |
3321 { | |
3322 c = gui_mch_dialog(type, title, message, buttons, dfltbutton, | |
3323 textfield); | |
1809 | 3324 /* avoid a hit-enter prompt without clearing the cmdline */ |
3325 need_wait_return = FALSE; | |
3326 emsg_on_display = FALSE; | |
3327 cmdline_row = msg_row; | |
7 | 3328 |
3329 /* Flush output to avoid that further messages and redrawing is done | |
3330 * in the wrong order. */ | |
3331 out_flush(); | |
3332 gui_mch_update(); | |
3333 | |
3334 return c; | |
3335 } | |
3336 #endif | |
3337 | |
3338 oldState = State; | |
3339 State = CONFIRM; | |
3340 #ifdef FEAT_MOUSE | |
3341 setmouse(); | |
3342 #endif | |
3343 | |
3344 /* | |
3345 * Since we wait for a keypress, don't make the | |
3346 * user press RETURN as well afterwards. | |
3347 */ | |
3348 ++no_wait_return; | |
3349 hotkeys = msg_show_console_dialog(message, buttons, dfltbutton); | |
3350 | |
3351 if (hotkeys != NULL) | |
3352 { | |
3353 for (;;) | |
3354 { | |
3355 /* Get a typed character directly from the user. */ | |
3356 c = get_keystroke(); | |
3357 switch (c) | |
3358 { | |
3359 case CAR: /* User accepts default option */ | |
3360 case NL: | |
3361 retval = dfltbutton; | |
3362 break; | |
3363 case Ctrl_C: /* User aborts/cancels */ | |
3364 case ESC: | |
3365 retval = 0; | |
3366 break; | |
3367 default: /* Could be a hotkey? */ | |
3368 if (c < 0) /* special keys are ignored here */ | |
3369 continue; | |
3370 /* Make the character lowercase, as chars in "hotkeys" are. */ | |
3371 c = MB_TOLOWER(c); | |
3372 retval = 1; | |
3373 for (i = 0; hotkeys[i]; ++i) | |
3374 { | |
3375 #ifdef FEAT_MBYTE | |
3376 if (has_mbyte) | |
3377 { | |
3378 if ((*mb_ptr2char)(hotkeys + i) == c) | |
3379 break; | |
474 | 3380 i += (*mb_ptr2len)(hotkeys + i) - 1; |
7 | 3381 } |
3382 else | |
3383 #endif | |
3384 if (hotkeys[i] == c) | |
3385 break; | |
3386 ++retval; | |
3387 } | |
3388 if (hotkeys[i]) | |
3389 break; | |
3390 /* No hotkey match, so keep waiting */ | |
3391 continue; | |
3392 } | |
3393 break; | |
3394 } | |
3395 | |
3396 vim_free(hotkeys); | |
3397 } | |
3398 | |
3399 State = oldState; | |
3400 #ifdef FEAT_MOUSE | |
3401 setmouse(); | |
3402 #endif | |
3403 --no_wait_return; | |
3404 msg_end_prompt(); | |
3405 | |
3406 return retval; | |
3407 } | |
3408 | |
3409 static int copy_char __ARGS((char_u *from, char_u *to, int lowercase)); | |
3410 | |
3411 /* | |
3412 * Copy one character from "*from" to "*to", taking care of multi-byte | |
3413 * characters. Return the length of the character in bytes. | |
3414 */ | |
3415 static int | |
3416 copy_char(from, to, lowercase) | |
3417 char_u *from; | |
3418 char_u *to; | |
3419 int lowercase; /* make character lower case */ | |
3420 { | |
3421 #ifdef FEAT_MBYTE | |
3422 int len; | |
3423 int c; | |
3424 | |
3425 if (has_mbyte) | |
3426 { | |
3427 if (lowercase) | |
3428 { | |
3429 c = MB_TOLOWER((*mb_ptr2char)(from)); | |
3430 return (*mb_char2bytes)(c, to); | |
3431 } | |
3432 else | |
3433 { | |
474 | 3434 len = (*mb_ptr2len)(from); |
7 | 3435 mch_memmove(to, from, (size_t)len); |
3436 return len; | |
3437 } | |
3438 } | |
3439 else | |
3440 #endif | |
3441 { | |
3442 if (lowercase) | |
3443 *to = (char_u)TOLOWER_LOC(*from); | |
3444 else | |
3445 *to = *from; | |
3446 return 1; | |
3447 } | |
3448 } | |
3449 | |
3450 /* | |
3451 * Format the dialog string, and display it at the bottom of | |
3452 * the screen. Return a string of hotkey chars (if defined) for | |
3453 * each 'button'. If a button has no hotkey defined, the first character of | |
3454 * the button is used. | |
3455 * The hotkeys can be multi-byte characters, but without combining chars. | |
3456 * | |
3457 * Returns an allocated string with hotkeys, or NULL for error. | |
3458 */ | |
3459 static char_u * | |
3460 msg_show_console_dialog(message, buttons, dfltbutton) | |
3461 char_u *message; | |
3462 char_u *buttons; | |
3463 int dfltbutton; | |
3464 { | |
3465 int len = 0; | |
3466 #ifdef FEAT_MBYTE | |
3467 # define HOTK_LEN (has_mbyte ? MB_MAXBYTES : 1) | |
3468 #else | |
3469 # define HOTK_LEN 1 | |
3470 #endif | |
3471 int lenhotkey = HOTK_LEN; /* count first button */ | |
3472 char_u *hotk = NULL; | |
3473 char_u *msgp = NULL; | |
3474 char_u *hotkp = NULL; | |
3475 char_u *r; | |
3476 int copy; | |
3477 #define HAS_HOTKEY_LEN 30 | |
3478 char_u has_hotkey[HAS_HOTKEY_LEN]; | |
3479 int first_hotkey = FALSE; /* first char of button is hotkey */ | |
3480 int idx; | |
3481 | |
3482 has_hotkey[0] = FALSE; | |
3483 | |
3484 /* | |
3485 * First loop: compute the size of memory to allocate. | |
3486 * Second loop: copy to the allocated memory. | |
3487 */ | |
3488 for (copy = 0; copy <= 1; ++copy) | |
3489 { | |
3490 r = buttons; | |
3491 idx = 0; | |
3492 while (*r) | |
3493 { | |
3494 if (*r == DLG_BUTTON_SEP) | |
3495 { | |
3496 if (copy) | |
3497 { | |
3498 *msgp++ = ','; | |
3499 *msgp++ = ' '; /* '\n' -> ', ' */ | |
3500 | |
3501 /* advance to next hotkey and set default hotkey */ | |
3502 #ifdef FEAT_MBYTE | |
3503 if (has_mbyte) | |
1306 | 3504 hotkp += STRLEN(hotkp); |
7 | 3505 else |
3506 #endif | |
3507 ++hotkp; | |
1306 | 3508 hotkp[copy_char(r + 1, hotkp, TRUE)] = NUL; |
7 | 3509 if (dfltbutton) |
3510 --dfltbutton; | |
3511 | |
3512 /* If no hotkey is specified first char is used. */ | |
3513 if (idx < HAS_HOTKEY_LEN - 1 && !has_hotkey[++idx]) | |
3514 first_hotkey = TRUE; | |
3515 } | |
3516 else | |
3517 { | |
3518 len += 3; /* '\n' -> ', '; 'x' -> '(x)' */ | |
3519 lenhotkey += HOTK_LEN; /* each button needs a hotkey */ | |
3520 if (idx < HAS_HOTKEY_LEN - 1) | |
3521 has_hotkey[++idx] = FALSE; | |
3522 } | |
3523 } | |
3524 else if (*r == DLG_HOTKEY_CHAR || first_hotkey) | |
3525 { | |
3526 if (*r == DLG_HOTKEY_CHAR) | |
3527 ++r; | |
3528 first_hotkey = FALSE; | |
3529 if (copy) | |
3530 { | |
3531 if (*r == DLG_HOTKEY_CHAR) /* '&&a' -> '&a' */ | |
3532 *msgp++ = *r; | |
3533 else | |
3534 { | |
3535 /* '&a' -> '[a]' */ | |
3536 *msgp++ = (dfltbutton == 1) ? '[' : '('; | |
3537 msgp += copy_char(r, msgp, FALSE); | |
3538 *msgp++ = (dfltbutton == 1) ? ']' : ')'; | |
3539 | |
3540 /* redefine hotkey */ | |
1306 | 3541 hotkp[copy_char(r, hotkp, TRUE)] = NUL; |
7 | 3542 } |
3543 } | |
3544 else | |
3545 { | |
3546 ++len; /* '&a' -> '[a]' */ | |
3547 if (idx < HAS_HOTKEY_LEN - 1) | |
3548 has_hotkey[idx] = TRUE; | |
3549 } | |
3550 } | |
3551 else | |
3552 { | |
3553 /* everything else copy literally */ | |
3554 if (copy) | |
3555 msgp += copy_char(r, msgp, FALSE); | |
3556 } | |
3557 | |
3558 /* advance to the next character */ | |
39 | 3559 mb_ptr_adv(r); |
7 | 3560 } |
3561 | |
3562 if (copy) | |
3563 { | |
3564 *msgp++ = ':'; | |
3565 *msgp++ = ' '; | |
3566 *msgp = NUL; | |
3567 } | |
3568 else | |
3569 { | |
835 | 3570 len += (int)(STRLEN(message) |
856 | 3571 + 2 /* for the NL's */ |
3572 + STRLEN(buttons) | |
3573 + 3); /* for the ": " and NUL */ | |
835 | 3574 lenhotkey++; /* for the NUL */ |
7 | 3575 |
3576 /* If no hotkey is specified first char is used. */ | |
3577 if (!has_hotkey[0]) | |
3578 { | |
3579 first_hotkey = TRUE; | |
3580 len += 2; /* "x" -> "[x]" */ | |
3581 } | |
3582 | |
3583 /* | |
3584 * Now allocate and load the strings | |
3585 */ | |
3586 vim_free(confirm_msg); | |
3587 confirm_msg = alloc(len); | |
3588 if (confirm_msg == NULL) | |
3589 return NULL; | |
3590 *confirm_msg = NUL; | |
3591 hotk = alloc(lenhotkey); | |
3592 if (hotk == NULL) | |
3593 return NULL; | |
3594 | |
3595 *confirm_msg = '\n'; | |
3596 STRCPY(confirm_msg + 1, message); | |
3597 | |
3598 msgp = confirm_msg + 1 + STRLEN(message); | |
3599 hotkp = hotk; | |
3600 | |
1306 | 3601 /* Define first default hotkey. Keep the hotkey string NUL |
3602 * terminated to avoid reading past the end. */ | |
3603 hotkp[copy_char(buttons, hotkp, TRUE)] = NUL; | |
7 | 3604 |
3605 /* Remember where the choices start, displaying starts here when | |
3606 * "hotkp" typed at the more prompt. */ | |
3607 confirm_msg_tail = msgp; | |
3608 *msgp++ = '\n'; | |
3609 } | |
3610 } | |
3611 | |
3612 display_confirm_msg(); | |
3613 return hotk; | |
3614 } | |
3615 | |
3616 /* | |
3617 * Display the ":confirm" message. Also called when screen resized. | |
3618 */ | |
3619 void | |
3620 display_confirm_msg() | |
3621 { | |
3622 /* avoid that 'q' at the more prompt truncates the message here */ | |
3623 ++confirm_msg_used; | |
3624 if (confirm_msg != NULL) | |
3625 msg_puts_attr(confirm_msg, hl_attr(HLF_M)); | |
3626 --confirm_msg_used; | |
3627 } | |
3628 | |
3629 #endif /* FEAT_CON_DIALOG */ | |
3630 | |
3631 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
3632 | |
3633 int | |
3634 vim_dialog_yesno(type, title, message, dflt) | |
3635 int type; | |
3636 char_u *title; | |
3637 char_u *message; | |
3638 int dflt; | |
3639 { | |
3640 if (do_dialog(type, | |
3641 title == NULL ? (char_u *)_("Question") : title, | |
3642 message, | |
3643 (char_u *)_("&Yes\n&No"), dflt, NULL) == 1) | |
3644 return VIM_YES; | |
3645 return VIM_NO; | |
3646 } | |
3647 | |
3648 int | |
3649 vim_dialog_yesnocancel(type, title, message, dflt) | |
3650 int type; | |
3651 char_u *title; | |
3652 char_u *message; | |
3653 int dflt; | |
3654 { | |
3655 switch (do_dialog(type, | |
3656 title == NULL ? (char_u *)_("Question") : title, | |
3657 message, | |
3658 (char_u *)_("&Yes\n&No\n&Cancel"), dflt, NULL)) | |
3659 { | |
3660 case 1: return VIM_YES; | |
3661 case 2: return VIM_NO; | |
3662 } | |
3663 return VIM_CANCEL; | |
3664 } | |
3665 | |
3666 int | |
3667 vim_dialog_yesnoallcancel(type, title, message, dflt) | |
3668 int type; | |
3669 char_u *title; | |
3670 char_u *message; | |
3671 int dflt; | |
3672 { | |
3673 switch (do_dialog(type, | |
3674 title == NULL ? (char_u *)"Question" : title, | |
3675 message, | |
3676 (char_u *)_("&Yes\n&No\nSave &All\n&Discard All\n&Cancel"), | |
3677 dflt, NULL)) | |
3678 { | |
3679 case 1: return VIM_YES; | |
3680 case 2: return VIM_NO; | |
3681 case 3: return VIM_ALL; | |
3682 case 4: return VIM_DISCARDALL; | |
3683 } | |
3684 return VIM_CANCEL; | |
3685 } | |
3686 | |
3687 #endif /* FEAT_GUI_DIALOG || FEAT_CON_DIALOG */ | |
3688 | |
3689 #if defined(FEAT_BROWSE) || defined(PROTO) | |
3690 /* | |
3691 * Generic browse function. Calls gui_mch_browse() when possible. | |
3692 * Later this may pop-up a non-GUI file selector (external command?). | |
3693 */ | |
3694 char_u * | |
28 | 3695 do_browse(flags, title, dflt, ext, initdir, filter, buf) |
3696 int flags; /* BROWSE_SAVE and BROWSE_DIR */ | |
7 | 3697 char_u *title; /* title for the window */ |
3698 char_u *dflt; /* default file name (may include directory) */ | |
3699 char_u *ext; /* extension added */ | |
3700 char_u *initdir; /* initial directory, NULL for current dir or | |
3701 when using path from "dflt" */ | |
3702 char_u *filter; /* file name filter */ | |
3703 buf_T *buf; /* buffer to read/write for */ | |
3704 { | |
3705 char_u *fname; | |
3706 static char_u *last_dir = NULL; /* last used directory */ | |
3707 char_u *tofree = NULL; | |
3708 int save_browse = cmdmod.browse; | |
3709 | |
3710 /* Must turn off browse to avoid that autocommands will get the | |
3711 * flag too! */ | |
3712 cmdmod.browse = FALSE; | |
3713 | |
28 | 3714 if (title == NULL || *title == NUL) |
7 | 3715 { |
28 | 3716 if (flags & BROWSE_DIR) |
3717 title = (char_u *)_("Select Directory dialog"); | |
3718 else if (flags & BROWSE_SAVE) | |
7 | 3719 title = (char_u *)_("Save File dialog"); |
3720 else | |
3721 title = (char_u *)_("Open File dialog"); | |
3722 } | |
3723 | |
3724 /* When no directory specified, use default file name, default dir, buffer | |
3725 * dir, last dir or current dir */ | |
3726 if ((initdir == NULL || *initdir == NUL) && dflt != NULL && *dflt != NUL) | |
3727 { | |
3728 if (mch_isdir(dflt)) /* default file name is a directory */ | |
3729 { | |
3730 initdir = dflt; | |
3731 dflt = NULL; | |
3732 } | |
3733 else if (gettail(dflt) != dflt) /* default file name includes a path */ | |
3734 { | |
3735 tofree = vim_strsave(dflt); | |
3736 if (tofree != NULL) | |
3737 { | |
3738 initdir = tofree; | |
3739 *gettail(initdir) = NUL; | |
3740 dflt = gettail(dflt); | |
3741 } | |
3742 } | |
3743 } | |
3744 | |
3745 if (initdir == NULL || *initdir == NUL) | |
3746 { | |
3747 /* When 'browsedir' is a directory, use it */ | |
28 | 3748 if (STRCMP(p_bsdir, "last") != 0 |
3749 && STRCMP(p_bsdir, "buffer") != 0 | |
3750 && STRCMP(p_bsdir, "current") != 0 | |
3751 && mch_isdir(p_bsdir)) | |
7 | 3752 initdir = p_bsdir; |
3753 /* When saving or 'browsedir' is "buffer", use buffer fname */ | |
28 | 3754 else if (((flags & BROWSE_SAVE) || *p_bsdir == 'b') |
7 | 3755 && buf != NULL && buf->b_ffname != NULL) |
3756 { | |
3757 if (dflt == NULL || *dflt == NUL) | |
3758 dflt = gettail(curbuf->b_ffname); | |
3759 tofree = vim_strsave(curbuf->b_ffname); | |
3760 if (tofree != NULL) | |
3761 { | |
3762 initdir = tofree; | |
3763 *gettail(initdir) = NUL; | |
3764 } | |
3765 } | |
3766 /* When 'browsedir' is "last", use dir from last browse */ | |
3767 else if (*p_bsdir == 'l') | |
3768 initdir = last_dir; | |
3769 /* When 'browsedir is "current", use current directory. This is the | |
3770 * default already, leave initdir empty. */ | |
3771 } | |
3772 | |
3773 # ifdef FEAT_GUI | |
3774 if (gui.in_use) /* when this changes, also adjust f_has()! */ | |
3775 { | |
3776 if (filter == NULL | |
3777 # ifdef FEAT_EVAL | |
3778 && (filter = get_var_value((char_u *)"b:browsefilter")) == NULL | |
3779 && (filter = get_var_value((char_u *)"g:browsefilter")) == NULL | |
3780 # endif | |
3781 ) | |
3782 filter = BROWSE_FILTER_DEFAULT; | |
28 | 3783 if (flags & BROWSE_DIR) |
3784 { | |
2277
f42e0b5ff9e9
Change remaining HAVE_GTK2 to FEAT_GUI_GTK.
Bram Moolenaar <bram@vim.org>
parents:
1924
diff
changeset
|
3785 # if defined(FEAT_GUI_GTK) || defined(WIN3264) |
28 | 3786 /* For systems that have a directory dialog. */ |
3787 fname = gui_mch_browsedir(title, initdir); | |
3788 # else | |
3789 /* Generic solution for selecting a directory: select a file and | |
3790 * remove the file name. */ | |
3791 fname = gui_mch_browse(0, title, dflt, ext, initdir, (char_u *)""); | |
3792 # endif | |
2277
f42e0b5ff9e9
Change remaining HAVE_GTK2 to FEAT_GUI_GTK.
Bram Moolenaar <bram@vim.org>
parents:
1924
diff
changeset
|
3793 # if !defined(FEAT_GUI_GTK) |
28 | 3794 /* Win32 adds a dummy file name, others return an arbitrary file |
3795 * name. GTK+ 2 returns only the directory, */ | |
3796 if (fname != NULL && *fname != NUL && !mch_isdir(fname)) | |
3797 { | |
3798 /* Remove the file name. */ | |
39 | 3799 char_u *tail = gettail_sep(fname); |
28 | 3800 |
3801 if (tail == fname) | |
3802 *tail++ = '.'; /* use current dir */ | |
3803 *tail = NUL; | |
3804 } | |
3805 # endif | |
3806 } | |
3807 else | |
3808 fname = gui_mch_browse(flags & BROWSE_SAVE, | |
3809 title, dflt, ext, initdir, filter); | |
7 | 3810 |
3811 /* We hang around in the dialog for a while, the user might do some | |
3812 * things to our files. The Win32 dialog allows deleting or renaming | |
3813 * a file, check timestamps. */ | |
3814 need_check_timestamps = TRUE; | |
3815 did_check_timestamps = FALSE; | |
3816 } | |
3817 else | |
3818 # endif | |
3819 { | |
3820 /* TODO: non-GUI file selector here */ | |
3821 EMSG(_("E338: Sorry, no file browser in console mode")); | |
3822 fname = NULL; | |
3823 } | |
3824 | |
3825 /* keep the directory for next time */ | |
3826 if (fname != NULL) | |
3827 { | |
3828 vim_free(last_dir); | |
3829 last_dir = vim_strsave(fname); | |
28 | 3830 if (last_dir != NULL && !(flags & BROWSE_DIR)) |
7 | 3831 { |
3832 *gettail(last_dir) = NUL; | |
3833 if (*last_dir == NUL) | |
3834 { | |
3835 /* filename only returned, must be in current dir */ | |
3836 vim_free(last_dir); | |
3837 last_dir = alloc(MAXPATHL); | |
3838 if (last_dir != NULL) | |
3839 mch_dirname(last_dir, MAXPATHL); | |
3840 } | |
3841 } | |
3842 } | |
3843 | |
3844 vim_free(tofree); | |
3845 cmdmod.browse = save_browse; | |
3846 | |
3847 return fname; | |
3848 } | |
3849 #endif | |
272 | 3850 |
449 | 3851 #if defined(HAVE_STDARG_H) && defined(FEAT_EVAL) |
3852 static char *e_printf = N_("E766: Insufficient arguments for printf()"); | |
3853 | |
3854 static long tv_nr __ARGS((typval_T *tvs, int *idxp)); | |
3855 static char *tv_str __ARGS((typval_T *tvs, int *idxp)); | |
1619 | 3856 # ifdef FEAT_FLOAT |
3857 static double tv_float __ARGS((typval_T *tvs, int *idxp)); | |
3858 # endif | |
449 | 3859 |
3860 /* | |
3861 * Get number argument from "idxp" entry in "tvs". First entry is 1. | |
3862 */ | |
3863 static long | |
3864 tv_nr(tvs, idxp) | |
3865 typval_T *tvs; | |
3866 int *idxp; | |
3867 { | |
3868 int idx = *idxp - 1; | |
3869 long n = 0; | |
3870 int err = FALSE; | |
3871 | |
3872 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3873 EMSG(_(e_printf)); | |
3874 else | |
3875 { | |
3876 ++*idxp; | |
3877 n = get_tv_number_chk(&tvs[idx], &err); | |
3878 if (err) | |
3879 n = 0; | |
3880 } | |
3881 return n; | |
3882 } | |
3883 | |
3884 /* | |
3885 * Get string argument from "idxp" entry in "tvs". First entry is 1. | |
532 | 3886 * Returns NULL for an error. |
449 | 3887 */ |
3888 static char * | |
3889 tv_str(tvs, idxp) | |
3890 typval_T *tvs; | |
3891 int *idxp; | |
3892 { | |
3893 int idx = *idxp - 1; | |
3894 char *s = NULL; | |
3895 | |
3896 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3897 EMSG(_(e_printf)); | |
3898 else | |
3899 { | |
3900 ++*idxp; | |
3901 s = (char *)get_tv_string_chk(&tvs[idx]); | |
3902 } | |
3903 return s; | |
3904 } | |
1619 | 3905 |
3906 # ifdef FEAT_FLOAT | |
3907 /* | |
3908 * Get float argument from "idxp" entry in "tvs". First entry is 1. | |
3909 */ | |
3910 static double | |
3911 tv_float(tvs, idxp) | |
3912 typval_T *tvs; | |
3913 int *idxp; | |
3914 { | |
3915 int idx = *idxp - 1; | |
3916 double f = 0; | |
3917 | |
3918 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3919 EMSG(_(e_printf)); | |
3920 else | |
3921 { | |
3922 ++*idxp; | |
3923 if (tvs[idx].v_type == VAR_FLOAT) | |
3924 f = tvs[idx].vval.v_float; | |
1656 | 3925 else if (tvs[idx].v_type == VAR_NUMBER) |
3926 f = tvs[idx].vval.v_number; | |
1619 | 3927 else |
3928 EMSG(_("E807: Expected Float argument for printf()")); | |
3929 } | |
3930 return f; | |
3931 } | |
3932 # endif | |
449 | 3933 #endif |
3934 | |
272 | 3935 /* |
3936 * This code was included to provide a portable vsnprintf() and snprintf(). | |
715 | 3937 * Some systems may provide their own, but we always use this one for |
272 | 3938 * consistency. |
3939 * | |
3940 * This code is based on snprintf.c - a portable implementation of snprintf | |
3941 * by Mark Martinec <mark.martinec@ijs.si>, Version 2.2, 2000-10-06. | |
1189 | 3942 * Included with permission. It was heavily modified to fit in Vim. |
272 | 3943 * The original code, including useful comments, can be found here: |
3944 * http://www.ijs.si/software/snprintf/ | |
3945 * | |
3946 * This snprintf() only supports the following conversion specifiers: | |
3947 * s, c, d, u, o, x, X, p (and synonyms: i, D, U, O - see below) | |
3948 * with flags: '-', '+', ' ', '0' and '#'. | |
3949 * An asterisk is supported for field width as well as precision. | |
3950 * | |
1619 | 3951 * Limited support for floating point was added: 'f', 'e', 'E', 'g', 'G'. |
3952 * | |
272 | 3953 * Length modifiers 'h' (short int) and 'l' (long int) are supported. |
3954 * 'll' (long long int) is not supported. | |
3955 * | |
437 | 3956 * The locale is not used, the string is used as a byte string. This is only |
3957 * relevant for double-byte encodings where the second byte may be '%'. | |
3958 * | |
715 | 3959 * It is permitted for "str_m" to be zero, and it is permitted to specify NULL |
3960 * pointer for resulting string argument if "str_m" is zero (as per ISO C99). | |
272 | 3961 * |
3962 * The return value is the number of characters which would be generated | |
3963 * for the given input, excluding the trailing null. If this value | |
715 | 3964 * is greater or equal to "str_m", not all characters from the result |
3965 * have been stored in str, output bytes beyond the ("str_m"-1) -th character | |
3966 * are discarded. If "str_m" is greater than zero it is guaranteed | |
272 | 3967 * the resulting string will be null-terminated. |
3968 */ | |
3969 | |
3970 /* | |
3971 * When va_list is not supported we only define vim_snprintf(). | |
449 | 3972 * |
3973 * vim_vsnprintf() can be invoked with either "va_list" or a list of | |
482 | 3974 * "typval_T". When the latter is not used it must be NULL. |
272 | 3975 */ |
3976 | |
3977 /* When generating prototypes all of this is skipped, cproto doesn't | |
3978 * understand this. */ | |
3979 #ifndef PROTO | |
2280
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3980 |
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3981 # ifdef HAVE_STDARG_H |
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3982 /* Like vim_vsnprintf() but append to the string. */ |
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3983 int |
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3984 vim_snprintf_add(char *str, size_t str_m, char *fmt, ...) |
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3985 { |
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3986 va_list ap; |
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3987 int str_l; |
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3988 size_t len = STRLEN(str); |
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3989 size_t space; |
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3990 |
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3991 if (str_m <= len) |
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3992 space = 0; |
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3993 else |
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3994 space = str_m - len; |
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3995 va_start(ap, fmt); |
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3996 str_l = vim_vsnprintf(str + len, space, fmt, ap, NULL); |
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3997 va_end(ap); |
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3998 return str_l; |
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3999 } |
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4000 # else |
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4001 /* Like vim_vsnprintf() but append to the string. */ |
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4002 int |
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4003 vim_snprintf_add(str, str_m, fmt, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) |
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4004 char *str; |
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4005 size_t str_m; |
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4006 char *fmt; |
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4007 long a1, a2, a3, a4, a5, a6, a7, a8, a9, a10; |
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4008 { |
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4009 size_t len = STRLEN(str); |
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4010 size_t space; |
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4011 |
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4012 if (str_m <= len) |
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4013 space = 0; |
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4014 else |
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4015 space = str_m - len; |
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4016 return vim_vsnprintf(str + len, space, fmt, |
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4017 a1, a2, a3, a4, a5, a6, a7, a8, a9, a10); |
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4018 } |
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4019 # endif |
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4020 |
272 | 4021 # ifdef HAVE_STDARG_H |
4022 int | |
4023 vim_snprintf(char *str, size_t str_m, char *fmt, ...) | |
4024 { | |
4025 va_list ap; | |
4026 int str_l; | |
4027 | |
4028 va_start(ap, fmt); | |
449 | 4029 str_l = vim_vsnprintf(str, str_m, fmt, ap, NULL); |
272 | 4030 va_end(ap); |
4031 return str_l; | |
4032 } | |
4033 | |
449 | 4034 int |
4035 vim_vsnprintf(str, str_m, fmt, ap, tvs) | |
272 | 4036 # else |
4037 /* clumsy way to work around missing va_list */ | |
449 | 4038 # define get_a_arg(i) (++i, i == 2 ? a1 : i == 3 ? a2 : i == 4 ? a3 : i == 5 ? a4 : i == 6 ? a5 : i == 7 ? a6 : i == 8 ? a7 : i == 9 ? a8 : i == 10 ? a9 : a10) |
272 | 4039 |
4040 /* VARARGS */ | |
4041 int | |
4042 #ifdef __BORLANDC__ | |
4043 _RTLENTRYF | |
4044 #endif | |
4045 vim_snprintf(str, str_m, fmt, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) | |
4046 # endif | |
4047 char *str; | |
4048 size_t str_m; | |
4049 char *fmt; | |
4050 # ifdef HAVE_STDARG_H | |
4051 va_list ap; | |
449 | 4052 typval_T *tvs; |
272 | 4053 # else |
4054 long a1, a2, a3, a4, a5, a6, a7, a8, a9, a10; | |
4055 # endif | |
4056 { | |
4057 size_t str_l = 0; | |
4058 char *p = fmt; | |
4059 int arg_idx = 1; | |
4060 | |
4061 if (p == NULL) | |
4062 p = ""; | |
4063 while (*p != NUL) | |
4064 { | |
4065 if (*p != '%') | |
4066 { | |
4067 char *q = strchr(p + 1, '%'); | |
1883 | 4068 size_t n = (q == NULL) ? STRLEN(p) : (size_t)(q - p); |
272 | 4069 |
437 | 4070 /* Copy up to the next '%' or NUL without any changes. */ |
272 | 4071 if (str_l < str_m) |
4072 { | |
4073 size_t avail = str_m - str_l; | |
4074 | |
4075 mch_memmove(str + str_l, p, n > avail ? avail : n); | |
4076 } | |
4077 p += n; | |
4078 str_l += n; | |
4079 } | |
4080 else | |
4081 { | |
4082 size_t min_field_width = 0, precision = 0; | |
4083 int zero_padding = 0, precision_specified = 0, justify_left = 0; | |
4084 int alternate_form = 0, force_sign = 0; | |
4085 | |
4086 /* If both the ' ' and '+' flags appear, the ' ' flag should be | |
4087 * ignored. */ | |
4088 int space_for_positive = 1; | |
4089 | |
4090 /* allowed values: \0, h, l, L */ | |
4091 char length_modifier = '\0'; | |
4092 | |
4093 /* temporary buffer for simple numeric->string conversion */ | |
1619 | 4094 #ifdef FEAT_FLOAT |
4095 # define TMP_LEN 350 /* On my system 1e308 is the biggest number possible. | |
4096 * That sounds reasonable to use as the maximum | |
4097 * printable. */ | |
4098 #else | |
4099 # define TMP_LEN 32 | |
4100 #endif | |
4101 char tmp[TMP_LEN]; | |
272 | 4102 |
4103 /* string address in case of string argument */ | |
4104 char *str_arg; | |
4105 | |
4106 /* natural field width of arg without padding and sign */ | |
4107 size_t str_arg_l; | |
4108 | |
4109 /* unsigned char argument value - only defined for c conversion. | |
4110 * N.B. standard explicitly states the char argument for the c | |
4111 * conversion is unsigned */ | |
4112 unsigned char uchar_arg; | |
4113 | |
4114 /* number of zeros to be inserted for numeric conversions as | |
4115 * required by the precision or minimal field width */ | |
4116 size_t number_of_zeros_to_pad = 0; | |
4117 | |
4118 /* index into tmp where zero padding is to be inserted */ | |
4119 size_t zero_padding_insertion_ind = 0; | |
4120 | |
4121 /* current conversion specifier character */ | |
4122 char fmt_spec = '\0'; | |
4123 | |
4124 str_arg = NULL; | |
4125 p++; /* skip '%' */ | |
4126 | |
4127 /* parse flags */ | |
4128 while (*p == '0' || *p == '-' || *p == '+' || *p == ' ' | |
4129 || *p == '#' || *p == '\'') | |
4130 { | |
4131 switch (*p) | |
4132 { | |
4133 case '0': zero_padding = 1; break; | |
4134 case '-': justify_left = 1; break; | |
4135 case '+': force_sign = 1; space_for_positive = 0; break; | |
4136 case ' ': force_sign = 1; | |
4137 /* If both the ' ' and '+' flags appear, the ' ' | |
4138 * flag should be ignored */ | |
4139 break; | |
4140 case '#': alternate_form = 1; break; | |
4141 case '\'': break; | |
4142 } | |
4143 p++; | |
4144 } | |
4145 /* If the '0' and '-' flags both appear, the '0' flag should be | |
4146 * ignored. */ | |
4147 | |
4148 /* parse field width */ | |
4149 if (*p == '*') | |
4150 { | |
4151 int j; | |
4152 | |
4153 p++; | |
449 | 4154 j = |
272 | 4155 #ifndef HAVE_STDARG_H |
449 | 4156 get_a_arg(arg_idx); |
272 | 4157 #else |
449 | 4158 # if defined(FEAT_EVAL) |
482 | 4159 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4160 # endif |
4161 va_arg(ap, int); | |
272 | 4162 #endif |
4163 if (j >= 0) | |
4164 min_field_width = j; | |
4165 else | |
4166 { | |
4167 min_field_width = -j; | |
4168 justify_left = 1; | |
4169 } | |
4170 } | |
4171 else if (VIM_ISDIGIT((int)(*p))) | |
4172 { | |
4173 /* size_t could be wider than unsigned int; make sure we treat | |
4174 * argument like common implementations do */ | |
4175 unsigned int uj = *p++ - '0'; | |
4176 | |
4177 while (VIM_ISDIGIT((int)(*p))) | |
4178 uj = 10 * uj + (unsigned int)(*p++ - '0'); | |
4179 min_field_width = uj; | |
4180 } | |
4181 | |
4182 /* parse precision */ | |
4183 if (*p == '.') | |
4184 { | |
4185 p++; | |
4186 precision_specified = 1; | |
4187 if (*p == '*') | |
4188 { | |
4189 int j; | |
4190 | |
449 | 4191 j = |
272 | 4192 #ifndef HAVE_STDARG_H |
449 | 4193 get_a_arg(arg_idx); |
272 | 4194 #else |
449 | 4195 # if defined(FEAT_EVAL) |
482 | 4196 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4197 # endif |
4198 va_arg(ap, int); | |
272 | 4199 #endif |
4200 p++; | |
4201 if (j >= 0) | |
4202 precision = j; | |
4203 else | |
4204 { | |
4205 precision_specified = 0; | |
4206 precision = 0; | |
4207 } | |
4208 } | |
4209 else if (VIM_ISDIGIT((int)(*p))) | |
4210 { | |
4211 /* size_t could be wider than unsigned int; make sure we | |
4212 * treat argument like common implementations do */ | |
4213 unsigned int uj = *p++ - '0'; | |
4214 | |
4215 while (VIM_ISDIGIT((int)(*p))) | |
4216 uj = 10 * uj + (unsigned int)(*p++ - '0'); | |
4217 precision = uj; | |
4218 } | |
4219 } | |
4220 | |
4221 /* parse 'h', 'l' and 'll' length modifiers */ | |
4222 if (*p == 'h' || *p == 'l') | |
4223 { | |
4224 length_modifier = *p; | |
4225 p++; | |
4226 if (length_modifier == 'l' && *p == 'l') | |
4227 { | |
4228 /* double l = long long */ | |
4229 length_modifier = 'l'; /* treat it as a single 'l' */ | |
4230 p++; | |
4231 } | |
4232 } | |
4233 fmt_spec = *p; | |
4234 | |
4235 /* common synonyms: */ | |
4236 switch (fmt_spec) | |
4237 { | |
4238 case 'i': fmt_spec = 'd'; break; | |
4239 case 'D': fmt_spec = 'd'; length_modifier = 'l'; break; | |
4240 case 'U': fmt_spec = 'u'; length_modifier = 'l'; break; | |
4241 case 'O': fmt_spec = 'o'; length_modifier = 'l'; break; | |
1619 | 4242 case 'F': fmt_spec = 'f'; break; |
272 | 4243 default: break; |
4244 } | |
4245 | |
4246 /* get parameter value, do initial processing */ | |
4247 switch (fmt_spec) | |
4248 { | |
4249 /* '%' and 'c' behave similar to 's' regarding flags and field | |
4250 * widths */ | |
4251 case '%': | |
4252 case 'c': | |
4253 case 's': | |
4254 length_modifier = '\0'; | |
4255 str_arg_l = 1; | |
4256 switch (fmt_spec) | |
4257 { | |
4258 case '%': | |
4259 str_arg = p; | |
4260 break; | |
4261 | |
4262 case 'c': | |
4263 { | |
4264 int j; | |
449 | 4265 |
4266 j = | |
272 | 4267 #ifndef HAVE_STDARG_H |
449 | 4268 get_a_arg(arg_idx); |
272 | 4269 #else |
449 | 4270 # if defined(FEAT_EVAL) |
482 | 4271 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4272 # endif |
4273 va_arg(ap, int); | |
272 | 4274 #endif |
4275 /* standard demands unsigned char */ | |
4276 uchar_arg = (unsigned char)j; | |
4277 str_arg = (char *)&uchar_arg; | |
4278 break; | |
4279 } | |
4280 | |
4281 case 's': | |
449 | 4282 str_arg = |
272 | 4283 #ifndef HAVE_STDARG_H |
449 | 4284 (char *)get_a_arg(arg_idx); |
272 | 4285 #else |
449 | 4286 # if defined(FEAT_EVAL) |
482 | 4287 tvs != NULL ? tv_str(tvs, &arg_idx) : |
449 | 4288 # endif |
4289 va_arg(ap, char *); | |
272 | 4290 #endif |
4291 if (str_arg == NULL) | |
4292 { | |
4293 str_arg = "[NULL]"; | |
4294 str_arg_l = 6; | |
4295 } | |
4296 /* make sure not to address string beyond the specified | |
4297 * precision !!! */ | |
4298 else if (!precision_specified) | |
4299 str_arg_l = strlen(str_arg); | |
4300 /* truncate string if necessary as requested by precision */ | |
4301 else if (precision == 0) | |
4302 str_arg_l = 0; | |
4303 else | |
4304 { | |
881 | 4305 /* Don't put the #if inside memchr(), it can be a |
4306 * macro. */ | |
4307 #if SIZEOF_INT <= 2 | |
4308 char *q = memchr(str_arg, '\0', precision); | |
4309 #else | |
272 | 4310 /* memchr on HP does not like n > 2^31 !!! */ |
4311 char *q = memchr(str_arg, '\0', | |
881 | 4312 precision <= (size_t)0x7fffffffL ? precision |
4313 : (size_t)0x7fffffffL); | |
810 | 4314 #endif |
1883 | 4315 str_arg_l = (q == NULL) ? precision |
4316 : (size_t)(q - str_arg); | |
272 | 4317 } |
4318 break; | |
4319 | |
4320 default: | |
4321 break; | |
4322 } | |
4323 break; | |
4324 | |
4325 case 'd': case 'u': case 'o': case 'x': case 'X': case 'p': | |
4326 { | |
4327 /* NOTE: the u, o, x, X and p conversion specifiers | |
4328 * imply the value is unsigned; d implies a signed | |
4329 * value */ | |
4330 | |
4331 /* 0 if numeric argument is zero (or if pointer is | |
4332 * NULL for 'p'), +1 if greater than zero (or nonzero | |
4333 * for unsigned arguments), -1 if negative (unsigned | |
4334 * argument is never negative) */ | |
4335 int arg_sign = 0; | |
4336 | |
4337 /* only defined for length modifier h, or for no | |
4338 * length modifiers */ | |
4339 int int_arg = 0; | |
4340 unsigned int uint_arg = 0; | |
4341 | |
4342 /* only defined for length modifier l */ | |
4343 long int long_arg = 0; | |
4344 unsigned long int ulong_arg = 0; | |
4345 | |
4346 /* pointer argument value -only defined for p | |
4347 * conversion */ | |
4348 void *ptr_arg = NULL; | |
4349 | |
4350 if (fmt_spec == 'p') | |
4351 { | |
4352 length_modifier = '\0'; | |
449 | 4353 ptr_arg = |
272 | 4354 #ifndef HAVE_STDARG_H |
482 | 4355 (void *)get_a_arg(arg_idx); |
272 | 4356 #else |
449 | 4357 # if defined(FEAT_EVAL) |
482 | 4358 tvs != NULL ? (void *)tv_str(tvs, &arg_idx) : |
449 | 4359 # endif |
4360 va_arg(ap, void *); | |
272 | 4361 #endif |
4362 if (ptr_arg != NULL) | |
4363 arg_sign = 1; | |
4364 } | |
4365 else if (fmt_spec == 'd') | |
4366 { | |
4367 /* signed */ | |
4368 switch (length_modifier) | |
4369 { | |
4370 case '\0': | |
4371 case 'h': | |
449 | 4372 /* char and short arguments are passed as int. */ |
4373 int_arg = | |
272 | 4374 #ifndef HAVE_STDARG_H |
449 | 4375 get_a_arg(arg_idx); |
272 | 4376 #else |
449 | 4377 # if defined(FEAT_EVAL) |
482 | 4378 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4379 # endif |
4380 va_arg(ap, int); | |
272 | 4381 #endif |
4382 if (int_arg > 0) | |
4383 arg_sign = 1; | |
4384 else if (int_arg < 0) | |
4385 arg_sign = -1; | |
4386 break; | |
4387 case 'l': | |
449 | 4388 long_arg = |
272 | 4389 #ifndef HAVE_STDARG_H |
449 | 4390 get_a_arg(arg_idx); |
272 | 4391 #else |
449 | 4392 # if defined(FEAT_EVAL) |
482 | 4393 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4394 # endif |
4395 va_arg(ap, long int); | |
272 | 4396 #endif |
4397 if (long_arg > 0) | |
4398 arg_sign = 1; | |
4399 else if (long_arg < 0) | |
4400 arg_sign = -1; | |
4401 break; | |
4402 } | |
4403 } | |
4404 else | |
4405 { | |
4406 /* unsigned */ | |
4407 switch (length_modifier) | |
4408 { | |
4409 case '\0': | |
4410 case 'h': | |
449 | 4411 uint_arg = |
272 | 4412 #ifndef HAVE_STDARG_H |
449 | 4413 get_a_arg(arg_idx); |
272 | 4414 #else |
449 | 4415 # if defined(FEAT_EVAL) |
1883 | 4416 tvs != NULL ? (unsigned) |
4417 tv_nr(tvs, &arg_idx) : | |
449 | 4418 # endif |
4419 va_arg(ap, unsigned int); | |
272 | 4420 #endif |
4421 if (uint_arg != 0) | |
4422 arg_sign = 1; | |
4423 break; | |
4424 case 'l': | |
449 | 4425 ulong_arg = |
272 | 4426 #ifndef HAVE_STDARG_H |
449 | 4427 get_a_arg(arg_idx); |
272 | 4428 #else |
449 | 4429 # if defined(FEAT_EVAL) |
1883 | 4430 tvs != NULL ? (unsigned long) |
4431 tv_nr(tvs, &arg_idx) : | |
449 | 4432 # endif |
4433 va_arg(ap, unsigned long int); | |
272 | 4434 #endif |
4435 if (ulong_arg != 0) | |
4436 arg_sign = 1; | |
4437 break; | |
4438 } | |
4439 } | |
4440 | |
4441 str_arg = tmp; | |
4442 str_arg_l = 0; | |
4443 | |
4444 /* NOTE: | |
4445 * For d, i, u, o, x, and X conversions, if precision is | |
4446 * specified, the '0' flag should be ignored. This is so | |
4447 * with Solaris 2.6, Digital UNIX 4.0, HPUX 10, Linux, | |
4448 * FreeBSD, NetBSD; but not with Perl. | |
4449 */ | |
4450 if (precision_specified) | |
4451 zero_padding = 0; | |
4452 if (fmt_spec == 'd') | |
4453 { | |
4454 if (force_sign && arg_sign >= 0) | |
4455 tmp[str_arg_l++] = space_for_positive ? ' ' : '+'; | |
4456 /* leave negative numbers for sprintf to handle, to | |
4457 * avoid handling tricky cases like (short int)-32768 */ | |
4458 } | |
4459 else if (alternate_form) | |
4460 { | |
4461 if (arg_sign != 0 | |
4462 && (fmt_spec == 'x' || fmt_spec == 'X') ) | |
4463 { | |
4464 tmp[str_arg_l++] = '0'; | |
4465 tmp[str_arg_l++] = fmt_spec; | |
4466 } | |
4467 /* alternate form should have no effect for p | |
4468 * conversion, but ... */ | |
4469 } | |
4470 | |
4471 zero_padding_insertion_ind = str_arg_l; | |
4472 if (!precision_specified) | |
4473 precision = 1; /* default precision is 1 */ | |
4474 if (precision == 0 && arg_sign == 0) | |
4475 { | |
4476 /* When zero value is formatted with an explicit | |
4477 * precision 0, the resulting formatted string is | |
4478 * empty (d, i, u, o, x, X, p). */ | |
4479 } | |
4480 else | |
4481 { | |
4482 char f[5]; | |
4483 int f_l = 0; | |
4484 | |
4485 /* construct a simple format string for sprintf */ | |
4486 f[f_l++] = '%'; | |
4487 if (!length_modifier) | |
4488 ; | |
4489 else if (length_modifier == '2') | |
4490 { | |
4491 f[f_l++] = 'l'; | |
4492 f[f_l++] = 'l'; | |
4493 } | |
4494 else | |
4495 f[f_l++] = length_modifier; | |
4496 f[f_l++] = fmt_spec; | |
4497 f[f_l++] = '\0'; | |
4498 | |
4499 if (fmt_spec == 'p') | |
4500 str_arg_l += sprintf(tmp + str_arg_l, f, ptr_arg); | |
4501 else if (fmt_spec == 'd') | |
4502 { | |
4503 /* signed */ | |
4504 switch (length_modifier) | |
4505 { | |
4506 case '\0': | |
4507 case 'h': str_arg_l += sprintf( | |
4508 tmp + str_arg_l, f, int_arg); | |
4509 break; | |
4510 case 'l': str_arg_l += sprintf( | |
4511 tmp + str_arg_l, f, long_arg); | |
4512 break; | |
4513 } | |
4514 } | |
4515 else | |
4516 { | |
4517 /* unsigned */ | |
4518 switch (length_modifier) | |
4519 { | |
4520 case '\0': | |
4521 case 'h': str_arg_l += sprintf( | |
4522 tmp + str_arg_l, f, uint_arg); | |
4523 break; | |
4524 case 'l': str_arg_l += sprintf( | |
4525 tmp + str_arg_l, f, ulong_arg); | |
4526 break; | |
4527 } | |
4528 } | |
4529 | |
4530 /* include the optional minus sign and possible | |
4531 * "0x" in the region before the zero padding | |
4532 * insertion point */ | |
4533 if (zero_padding_insertion_ind < str_arg_l | |
4534 && tmp[zero_padding_insertion_ind] == '-') | |
4535 zero_padding_insertion_ind++; | |
4536 if (zero_padding_insertion_ind + 1 < str_arg_l | |
4537 && tmp[zero_padding_insertion_ind] == '0' | |
4538 && (tmp[zero_padding_insertion_ind + 1] == 'x' | |
4539 || tmp[zero_padding_insertion_ind + 1] == 'X')) | |
4540 zero_padding_insertion_ind += 2; | |
4541 } | |
4542 | |
4543 { | |
4544 size_t num_of_digits = str_arg_l | |
4545 - zero_padding_insertion_ind; | |
4546 | |
4547 if (alternate_form && fmt_spec == 'o' | |
4548 /* unless zero is already the first | |
4549 * character */ | |
4550 && !(zero_padding_insertion_ind < str_arg_l | |
4551 && tmp[zero_padding_insertion_ind] == '0')) | |
4552 { | |
4553 /* assure leading zero for alternate-form | |
4554 * octal numbers */ | |
4555 if (!precision_specified | |
4556 || precision < num_of_digits + 1) | |
4557 { | |
4558 /* precision is increased to force the | |
4559 * first character to be zero, except if a | |
4560 * zero value is formatted with an | |
4561 * explicit precision of zero */ | |
4562 precision = num_of_digits + 1; | |
4563 precision_specified = 1; | |
4564 } | |
4565 } | |
4566 /* zero padding to specified precision? */ | |
4567 if (num_of_digits < precision) | |
4568 number_of_zeros_to_pad = precision - num_of_digits; | |
4569 } | |
4570 /* zero padding to specified minimal field width? */ | |
4571 if (!justify_left && zero_padding) | |
4572 { | |
835 | 4573 int n = (int)(min_field_width - (str_arg_l |
4574 + number_of_zeros_to_pad)); | |
272 | 4575 if (n > 0) |
4576 number_of_zeros_to_pad += n; | |
4577 } | |
4578 break; | |
4579 } | |
4580 | |
1619 | 4581 #ifdef FEAT_FLOAT |
4582 case 'f': | |
4583 case 'e': | |
4584 case 'E': | |
4585 case 'g': | |
4586 case 'G': | |
4587 { | |
4588 /* Floating point. */ | |
4589 double f; | |
4590 double abs_f; | |
4591 char format[40]; | |
4592 int l; | |
4593 int remove_trailing_zeroes = FALSE; | |
4594 | |
4595 f = | |
4596 # ifndef HAVE_STDARG_H | |
4597 get_a_arg(arg_idx); | |
4598 # else | |
4599 # if defined(FEAT_EVAL) | |
4600 tvs != NULL ? tv_float(tvs, &arg_idx) : | |
4601 # endif | |
4602 va_arg(ap, double); | |
4603 # endif | |
4604 abs_f = f < 0 ? -f : f; | |
4605 | |
4606 if (fmt_spec == 'g' || fmt_spec == 'G') | |
4607 { | |
4608 /* Would be nice to use %g directly, but it prints | |
4609 * "1.0" as "1", we don't want that. */ | |
4610 if ((abs_f >= 0.001 && abs_f < 10000000.0) | |
4611 || abs_f == 0.0) | |
4612 fmt_spec = 'f'; | |
4613 else | |
4614 fmt_spec = fmt_spec == 'g' ? 'e' : 'E'; | |
4615 remove_trailing_zeroes = TRUE; | |
4616 } | |
4617 | |
1783 | 4618 if (fmt_spec == 'f' && |
4619 #ifdef VAX | |
4620 abs_f > 1.0e38 | |
4621 #else | |
4622 abs_f > 1.0e307 | |
4623 #endif | |
4624 ) | |
1619 | 4625 { |
4626 /* Avoid a buffer overflow */ | |
4627 strcpy(tmp, "inf"); | |
4628 str_arg_l = 3; | |
4629 } | |
4630 else | |
4631 { | |
4632 format[0] = '%'; | |
4633 l = 1; | |
4634 if (precision_specified) | |
4635 { | |
4636 size_t max_prec = TMP_LEN - 10; | |
4637 | |
4638 /* Make sure we don't get more digits than we | |
4639 * have room for. */ | |
4640 if (fmt_spec == 'f' && abs_f > 1.0) | |
4641 max_prec -= (size_t)log10(abs_f); | |
4642 if (precision > max_prec) | |
4643 precision = max_prec; | |
4644 l += sprintf(format + 1, ".%d", (int)precision); | |
4645 } | |
4646 format[l] = fmt_spec; | |
4647 format[l + 1] = NUL; | |
4648 str_arg_l = sprintf(tmp, format, f); | |
4649 | |
4650 if (remove_trailing_zeroes) | |
4651 { | |
4652 int i; | |
1757 | 4653 char *tp; |
1619 | 4654 |
4655 /* Using %g or %G: remove superfluous zeroes. */ | |
4656 if (fmt_spec == 'f') | |
1757 | 4657 tp = tmp + str_arg_l - 1; |
1619 | 4658 else |
4659 { | |
1757 | 4660 tp = (char *)vim_strchr((char_u *)tmp, |
1619 | 4661 fmt_spec == 'e' ? 'e' : 'E'); |
1757 | 4662 if (tp != NULL) |
1619 | 4663 { |
4664 /* Remove superfluous '+' and leading | |
4665 * zeroes from the exponent. */ | |
1757 | 4666 if (tp[1] == '+') |
1619 | 4667 { |
4668 /* Change "1.0e+07" to "1.0e07" */ | |
1757 | 4669 STRMOVE(tp + 1, tp + 2); |
1619 | 4670 --str_arg_l; |
4671 } | |
1757 | 4672 i = (tp[1] == '-') ? 2 : 1; |
4673 while (tp[i] == '0') | |
1619 | 4674 { |
4675 /* Change "1.0e07" to "1.0e7" */ | |
1757 | 4676 STRMOVE(tp + i, tp + i + 1); |
1619 | 4677 --str_arg_l; |
4678 } | |
1757 | 4679 --tp; |
1619 | 4680 } |
4681 } | |
4682 | |
1757 | 4683 if (tp != NULL && !precision_specified) |
1619 | 4684 /* Remove trailing zeroes, but keep the one |
4685 * just after a dot. */ | |
1757 | 4686 while (tp > tmp + 2 && *tp == '0' |
4687 && tp[-1] != '.') | |
1619 | 4688 { |
1757 | 4689 STRMOVE(tp, tp + 1); |
4690 --tp; | |
1619 | 4691 --str_arg_l; |
4692 } | |
4693 } | |
4694 else | |
4695 { | |
1757 | 4696 char *tp; |
1619 | 4697 |
4698 /* Be consistent: some printf("%e") use 1.0e+12 | |
4699 * and some 1.0e+012. Remove one zero in the last | |
4700 * case. */ | |
1757 | 4701 tp = (char *)vim_strchr((char_u *)tmp, |
1619 | 4702 fmt_spec == 'e' ? 'e' : 'E'); |
1757 | 4703 if (tp != NULL && (tp[1] == '+' || tp[1] == '-') |
4704 && tp[2] == '0' | |
4705 && vim_isdigit(tp[3]) | |
4706 && vim_isdigit(tp[4])) | |
1619 | 4707 { |
1757 | 4708 STRMOVE(tp + 2, tp + 3); |
1619 | 4709 --str_arg_l; |
4710 } | |
4711 } | |
4712 } | |
4713 str_arg = tmp; | |
4714 break; | |
4715 } | |
4716 #endif | |
4717 | |
272 | 4718 default: |
4719 /* unrecognized conversion specifier, keep format string | |
4720 * as-is */ | |
4721 zero_padding = 0; /* turn zero padding off for non-numeric | |
1189 | 4722 conversion */ |
272 | 4723 justify_left = 1; |
856 | 4724 min_field_width = 0; /* reset flags */ |
272 | 4725 |
4726 /* discard the unrecognized conversion, just keep * | |
856 | 4727 * the unrecognized conversion character */ |
272 | 4728 str_arg = p; |
4729 str_arg_l = 0; | |
4730 if (*p != NUL) | |
4731 str_arg_l++; /* include invalid conversion specifier | |
4732 unchanged if not at end-of-string */ | |
4733 break; | |
4734 } | |
4735 | |
4736 if (*p != NUL) | |
4737 p++; /* step over the just processed conversion specifier */ | |
4738 | |
4739 /* insert padding to the left as requested by min_field_width; | |
4740 * this does not include the zero padding in case of numerical | |
4741 * conversions*/ | |
4742 if (!justify_left) | |
4743 { | |
4744 /* left padding with blank or zero */ | |
835 | 4745 int pn = (int)(min_field_width - (str_arg_l + number_of_zeros_to_pad)); |
275 | 4746 |
4747 if (pn > 0) | |
272 | 4748 { |
4749 if (str_l < str_m) | |
4750 { | |
4751 size_t avail = str_m - str_l; | |
4752 | |
4753 vim_memset(str + str_l, zero_padding ? '0' : ' ', | |
1883 | 4754 (size_t)pn > avail ? avail |
4755 : (size_t)pn); | |
272 | 4756 } |
275 | 4757 str_l += pn; |
272 | 4758 } |
4759 } | |
4760 | |
4761 /* zero padding as requested by the precision or by the minimal | |
4762 * field width for numeric conversions required? */ | |
330 | 4763 if (number_of_zeros_to_pad == 0) |
272 | 4764 { |
4765 /* will not copy first part of numeric right now, * | |
4766 * force it to be copied later in its entirety */ | |
4767 zero_padding_insertion_ind = 0; | |
4768 } | |
4769 else | |
4770 { | |
4771 /* insert first part of numerics (sign or '0x') before zero | |
4772 * padding */ | |
835 | 4773 int zn = (int)zero_padding_insertion_ind; |
275 | 4774 |
4775 if (zn > 0) | |
272 | 4776 { |
4777 if (str_l < str_m) | |
4778 { | |
4779 size_t avail = str_m - str_l; | |
4780 | |
4781 mch_memmove(str + str_l, str_arg, | |
1883 | 4782 (size_t)zn > avail ? avail |
4783 : (size_t)zn); | |
272 | 4784 } |
275 | 4785 str_l += zn; |
272 | 4786 } |
4787 | |
4788 /* insert zero padding as requested by the precision or min | |
4789 * field width */ | |
835 | 4790 zn = (int)number_of_zeros_to_pad; |
275 | 4791 if (zn > 0) |
272 | 4792 { |
4793 if (str_l < str_m) | |
4794 { | |
4795 size_t avail = str_m-str_l; | |
4796 | |
275 | 4797 vim_memset(str + str_l, '0', |
1883 | 4798 (size_t)zn > avail ? avail |
4799 : (size_t)zn); | |
272 | 4800 } |
275 | 4801 str_l += zn; |
272 | 4802 } |
4803 } | |
4804 | |
4805 /* insert formatted string | |
4806 * (or as-is conversion specifier for unknown conversions) */ | |
4807 { | |
835 | 4808 int sn = (int)(str_arg_l - zero_padding_insertion_ind); |
275 | 4809 |
4810 if (sn > 0) | |
272 | 4811 { |
4812 if (str_l < str_m) | |
4813 { | |
4814 size_t avail = str_m - str_l; | |
4815 | |
4816 mch_memmove(str + str_l, | |
4817 str_arg + zero_padding_insertion_ind, | |
1883 | 4818 (size_t)sn > avail ? avail : (size_t)sn); |
272 | 4819 } |
275 | 4820 str_l += sn; |
272 | 4821 } |
4822 } | |
4823 | |
4824 /* insert right padding */ | |
4825 if (justify_left) | |
4826 { | |
4827 /* right blank padding to the field width */ | |
1619 | 4828 int pn = (int)(min_field_width |
4829 - (str_arg_l + number_of_zeros_to_pad)); | |
275 | 4830 |
4831 if (pn > 0) | |
272 | 4832 { |
4833 if (str_l < str_m) | |
4834 { | |
4835 size_t avail = str_m - str_l; | |
4836 | |
275 | 4837 vim_memset(str + str_l, ' ', |
1883 | 4838 (size_t)pn > avail ? avail |
4839 : (size_t)pn); | |
272 | 4840 } |
275 | 4841 str_l += pn; |
272 | 4842 } |
4843 } | |
4844 } | |
4845 } | |
4846 | |
4847 if (str_m > 0) | |
4848 { | |
437 | 4849 /* make sure the string is nul-terminated even at the expense of |
272 | 4850 * overwriting the last character (shouldn't happen, but just in case) |
4851 * */ | |
4852 str[str_l <= str_m - 1 ? str_l : str_m - 1] = '\0'; | |
4853 } | |
4854 | |
449 | 4855 #ifdef HAVE_STDARG_H |
482 | 4856 if (tvs != NULL && tvs[arg_idx - 1].v_type != VAR_UNKNOWN) |
449 | 4857 EMSG(_("E767: Too many arguments to printf()")); |
4858 #endif | |
4859 | |
437 | 4860 /* Return the number of characters formatted (excluding trailing nul |
272 | 4861 * character), that is, the number of characters that would have been |
4862 * written to the buffer if it were large enough. */ | |
4863 return (int)str_l; | |
4864 } | |
4865 | |
4866 #endif /* PROTO */ |