Mercurial > vim
annotate src/message.c @ 7894:ef15b397fcc1
Added tag v7.4.1243 for changeset df2b8af14072797d157e2d072534c4b5249ef05e
author | Christian Brabandt <cb@256bit.org> |
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date | Tue, 02 Feb 2016 19:45:05 +0100 |
parents | 41789f16d6b2 |
children | 58505cbea7e5 |
rev | line source |
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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 | |
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22 static int other_sourcing_name(void); |
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23 static char_u *get_emsg_source(void); |
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24 static char_u *get_emsg_lnum(void); |
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25 static void add_msg_hist(char_u *s, int len, int attr); |
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26 static void hit_return_msg(void); |
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27 static void msg_home_replace_attr(char_u *fname, int attr); |
7 | 28 #ifdef FEAT_MBYTE |
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29 static char_u *screen_puts_mbyte(char_u *s, int l, int attr); |
7 | 30 #endif |
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31 static void msg_puts_attr_len(char_u *str, int maxlen, int attr); |
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32 static void msg_puts_display(char_u *str, int maxlen, int attr, int recurse); |
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33 static void msg_scroll_up(void); |
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34 static void inc_msg_scrolled(void); |
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35 static void store_sb_text(char_u **sb_str, char_u *s, int attr, int *sb_col, int finish); |
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36 static void t_puts(int *t_col, char_u *t_s, char_u *s, int attr); |
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37 static void msg_puts_printf(char_u *str, int maxlen); |
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38 static int do_more_prompt(int typed_char); |
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39 static void msg_screen_putchar(int c, int attr); |
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40 static int msg_check_screen(void); |
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41 static void redir_write(char_u *s, int maxlen); |
7 | 42 #ifdef FEAT_CON_DIALOG |
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43 static char_u *msg_show_console_dialog(char_u *message, char_u *buttons, int dfltbutton); |
7 | 44 static int confirm_msg_used = FALSE; /* displaying confirm_msg */ |
45 static char_u *confirm_msg = NULL; /* ":confirm" message */ | |
46 static char_u *confirm_msg_tail; /* tail of confirm_msg */ | |
47 #endif | |
48 | |
49 struct msg_hist | |
50 { | |
51 struct msg_hist *next; | |
52 char_u *msg; | |
53 int attr; | |
54 }; | |
55 | |
56 static struct msg_hist *first_msg_hist = NULL; | |
57 static struct msg_hist *last_msg_hist = NULL; | |
58 static int msg_hist_len = 0; | |
59 | |
3072 | 60 static FILE *verbose_fd = NULL; |
61 static int verbose_did_open = FALSE; | |
62 | |
7 | 63 /* |
64 * When writing messages to the screen, there are many different situations. | |
65 * A number of variables is used to remember the current state: | |
66 * msg_didany TRUE when messages were written since the last time the | |
67 * user reacted to a prompt. | |
68 * Reset: After hitting a key for the hit-return prompt, | |
69 * hitting <CR> for the command line or input(). | |
70 * Set: When any message is written to the screen. | |
71 * msg_didout TRUE when something was written to the current line. | |
72 * Reset: When advancing to the next line, when the current | |
73 * text can be overwritten. | |
74 * Set: When any message is written to the screen. | |
75 * msg_nowait No extra delay for the last drawn message. | |
76 * Used in normal_cmd() before the mode message is drawn. | |
77 * emsg_on_display There was an error message recently. Indicates that there | |
78 * should be a delay before redrawing. | |
79 * msg_scroll The next message should not overwrite the current one. | |
80 * msg_scrolled How many lines the screen has been scrolled (because of | |
81 * messages). Used in update_screen() to scroll the screen | |
82 * back. Incremented each time the screen scrolls a line. | |
83 * msg_scrolled_ign TRUE when msg_scrolled is non-zero and msg_puts_attr() | |
84 * writes something without scrolling should not make | |
85 * need_wait_return to be set. This is a hack to make ":ts" | |
86 * work without an extra prompt. | |
87 * lines_left Number of lines available for messages before the | |
3240 | 88 * more-prompt is to be given. -1 when not set. |
7 | 89 * need_wait_return TRUE when the hit-return prompt is needed. |
90 * Reset: After giving the hit-return prompt, when the user | |
91 * has answered some other prompt. | |
92 * Set: When the ruler or typeahead display is overwritten, | |
93 * scrolling the screen for some message. | |
94 * keep_msg Message to be displayed after redrawing the screen, in | |
95 * main_loop(). | |
96 * This is an allocated string or NULL when not used. | |
97 */ | |
98 | |
99 /* | |
100 * msg(s) - displays the string 's' on the status line | |
101 * When terminal not initialized (yet) mch_errmsg(..) is used. | |
102 * return TRUE if wait_return not called | |
103 */ | |
104 int | |
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105 msg(char_u *s) |
7 | 106 { |
107 return msg_attr_keep(s, 0, FALSE); | |
108 } | |
109 | |
291 | 110 #if defined(FEAT_EVAL) || defined(FEAT_X11) || defined(USE_XSMP) \ |
1924 | 111 || defined(FEAT_GUI_GTK) || defined(PROTO) |
291 | 112 /* |
113 * Like msg() but keep it silent when 'verbosefile' is set. | |
114 */ | |
115 int | |
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116 verb_msg(char_u *s) |
291 | 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 |
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129 msg_attr(char_u *s, int attr) |
7 | 130 { |
131 return msg_attr_keep(s, attr, FALSE); | |
132 } | |
133 | |
134 int | |
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135 msg_attr_keep( |
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136 char_u *s, |
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137 int attr, |
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138 int keep) /* TRUE: set keep_msg if it doesn't scroll */ |
7 | 139 { |
140 static int entered = 0; | |
141 int retval; | |
142 char_u *buf = NULL; | |
143 | |
144 #ifdef FEAT_EVAL | |
145 if (attr == 0) | |
146 set_vim_var_string(VV_STATUSMSG, s, -1); | |
147 #endif | |
148 | |
149 /* | |
150 * It is possible that displaying a messages causes a problem (e.g., | |
151 * when redrawing the window), which causes another message, etc.. To | |
152 * break this loop, limit the recursiveness to 3 levels. | |
153 */ | |
154 if (entered >= 3) | |
155 return TRUE; | |
156 ++entered; | |
157 | |
158 /* Add message to history (unless it's a repeated kept message or a | |
159 * truncated message) */ | |
160 if (s != keep_msg | |
161 || (*s != '<' | |
162 && last_msg_hist != NULL | |
163 && last_msg_hist->msg != NULL | |
164 && STRCMP(s, last_msg_hist->msg))) | |
165 add_msg_hist(s, -1, attr); | |
166 | |
167 /* When displaying keep_msg, don't let msg_start() free it, caller must do | |
168 * that. */ | |
169 if (s == keep_msg) | |
170 keep_msg = NULL; | |
171 | |
172 /* Truncate the message if needed. */ | |
513 | 173 msg_start(); |
174 buf = msg_strtrunc(s, FALSE); | |
7 | 175 if (buf != NULL) |
176 s = buf; | |
177 | |
178 msg_outtrans_attr(s, attr); | |
179 msg_clr_eos(); | |
180 retval = msg_end(); | |
181 | |
182 if (keep && retval && vim_strsize(s) < (int)(Rows - cmdline_row - 1) | |
183 * Columns + sc_col) | |
678 | 184 set_keep_msg(s, 0); |
7 | 185 |
186 vim_free(buf); | |
187 --entered; | |
188 return retval; | |
189 } | |
190 | |
191 /* | |
192 * Truncate a string such that it can be printed without causing a scroll. | |
193 * Returns an allocated string or NULL when no truncating is done. | |
194 */ | |
195 char_u * | |
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196 msg_strtrunc( |
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197 char_u *s, |
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198 int force) /* always truncate */ |
7 | 199 { |
200 char_u *buf = NULL; | |
201 int len; | |
202 int room; | |
203 | |
204 /* May truncate message to avoid a hit-return prompt */ | |
513 | 205 if ((!msg_scroll && !need_wait_return && shortmess(SHM_TRUNCALL) |
206 && !exmode_active && msg_silent == 0) || force) | |
7 | 207 { |
208 len = vim_strsize(s); | |
539 | 209 if (msg_scrolled != 0) |
513 | 210 /* Use all the columns. */ |
211 room = (int)(Rows - msg_row) * Columns - 1; | |
212 else | |
213 /* Use up to 'showcmd' column. */ | |
214 room = (int)(Rows - msg_row - 1) * Columns + sc_col - 1; | |
7 | 215 if (len > room && room > 0) |
216 { | |
217 #ifdef FEAT_MBYTE | |
218 if (enc_utf8) | |
219 /* may have up to 18 bytes per cell (6 per char, up to two | |
220 * composing chars) */ | |
3277 | 221 len = (room + 2) * 18; |
7 | 222 else if (enc_dbcs == DBCS_JPNU) |
223 /* may have up to 2 bytes per cell for euc-jp */ | |
3277 | 224 len = (room + 2) * 2; |
7 | 225 else |
226 #endif | |
3277 | 227 len = room + 2; |
228 buf = alloc(len); | |
7 | 229 if (buf != NULL) |
3277 | 230 trunc_string(s, buf, room, len); |
7 | 231 } |
232 } | |
233 return buf; | |
234 } | |
235 | |
236 /* | |
237 * Truncate a string "s" to "buf" with cell width "room". | |
238 * "s" and "buf" may be equal. | |
239 */ | |
240 void | |
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241 trunc_string( |
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242 char_u *s, |
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243 char_u *buf, |
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244 int room, |
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245 int buflen) |
7 | 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. */ | |
3277 | 258 for (e = 0; len < half && e < buflen; ++e) |
7 | 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 { |
3277 | 275 if (++e == buflen) |
276 break; | |
7 | 277 buf[e] = s[e]; |
278 } | |
279 #endif | |
280 } | |
281 | |
282 /* Last part: End of the string. */ | |
283 i = e; | |
284 #ifdef FEAT_MBYTE | |
285 if (enc_dbcs != 0) | |
286 { | |
287 /* For DBCS going backwards in a string is slow, but | |
288 * computing the cell width isn't too slow: go forward | |
289 * until the rest fits. */ | |
290 n = vim_strsize(s + i); | |
291 while (len + n > room) | |
292 { | |
293 n -= ptr2cells(s + i); | |
474 | 294 i += (*mb_ptr2len)(s + i); |
7 | 295 } |
296 } | |
297 else if (enc_utf8) | |
298 { | |
299 /* For UTF-8 we can go backwards easily. */ | |
714 | 300 half = i = (int)STRLEN(s); |
7 | 301 for (;;) |
302 { | |
714 | 303 do |
304 half = half - (*mb_head_off)(s, s + half - 1) - 1; | |
305 while (utf_iscomposing(utf_ptr2char(s + half)) && half > 0); | |
7 | 306 n = ptr2cells(s + half); |
307 if (len + n > room) | |
308 break; | |
309 len += n; | |
310 i = half; | |
311 } | |
312 } | |
313 else | |
314 #endif | |
315 { | |
316 for (i = (int)STRLEN(s); len + (n = ptr2cells(s + i - 1)) <= room; --i) | |
317 len += n; | |
318 } | |
319 | |
320 /* Set the middle and copy the last part. */ | |
3277 | 321 if (e + 3 < buflen) |
322 { | |
323 mch_memmove(buf + e, "...", (size_t)3); | |
3290 | 324 len = (int)STRLEN(s + i) + 1; |
3277 | 325 if (len >= buflen - e - 3) |
326 len = buflen - e - 3 - 1; | |
327 mch_memmove(buf + e + 3, s + i, len); | |
328 buf[e + 3 + len - 1] = NUL; | |
329 } | |
330 else | |
331 { | |
3284 | 332 buf[e - 1] = NUL; /* make sure it is truncated */ |
3277 | 333 } |
7 | 334 } |
335 | |
336 /* | |
337 * Automatic prototype generation does not understand this function. | |
338 * Note: Caller of smgs() and smsg_attr() must check the resulting string is | |
339 * shorter than IOSIZE!!! | |
340 */ | |
341 #ifndef PROTO | |
342 | |
272 | 343 int vim_snprintf(char *str, size_t str_m, char *fmt, ...); |
344 | |
7 | 345 int |
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346 # ifdef __BORLANDC__ |
7 | 347 _RTLENTRYF |
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348 # endif |
7 | 349 smsg(char_u *s, ...) |
350 { | |
351 va_list arglist; | |
352 | |
353 va_start(arglist, s); | |
449 | 354 vim_vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist, NULL); |
7 | 355 va_end(arglist); |
356 return msg(IObuff); | |
357 } | |
358 | |
359 int | |
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360 # ifdef __BORLANDC__ |
7 | 361 _RTLENTRYF |
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362 # endif |
7 | 363 smsg_attr(int attr, char_u *s, ...) |
364 { | |
365 va_list arglist; | |
366 | |
367 va_start(arglist, s); | |
449 | 368 vim_vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist, NULL); |
7 | 369 va_end(arglist); |
370 return msg_attr(IObuff, attr); | |
371 } | |
372 | |
373 #endif | |
374 | |
375 /* | |
376 * Remember the last sourcing name/lnum used in an error message, so that it | |
377 * isn't printed each time when it didn't change. | |
378 */ | |
379 static int last_sourcing_lnum = 0; | |
380 static char_u *last_sourcing_name = NULL; | |
381 | |
382 /* | |
383 * Reset the last used sourcing name/lnum. Makes sure it is displayed again | |
384 * for the next error message; | |
385 */ | |
360 | 386 void |
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387 reset_last_sourcing(void) |
7 | 388 { |
389 vim_free(last_sourcing_name); | |
390 last_sourcing_name = NULL; | |
391 last_sourcing_lnum = 0; | |
392 } | |
393 | |
394 /* | |
16 | 395 * Return TRUE if "sourcing_name" differs from "last_sourcing_name". |
396 */ | |
397 static int | |
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398 other_sourcing_name(void) |
16 | 399 { |
400 if (sourcing_name != NULL) | |
401 { | |
402 if (last_sourcing_name != NULL) | |
403 return STRCMP(sourcing_name, last_sourcing_name) != 0; | |
404 return TRUE; | |
405 } | |
406 return FALSE; | |
407 } | |
408 | |
409 /* | |
7 | 410 * Get the message about the source, as used for an error message. |
411 * Returns an allocated string with room for one more character. | |
412 * Returns NULL when no message is to be given. | |
413 */ | |
414 static char_u * | |
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415 get_emsg_source(void) |
7 | 416 { |
417 char_u *Buf, *p; | |
418 | |
16 | 419 if (sourcing_name != NULL && other_sourcing_name()) |
7 | 420 { |
421 p = (char_u *)_("Error detected while processing %s:"); | |
422 Buf = alloc((unsigned)(STRLEN(sourcing_name) + STRLEN(p))); | |
423 if (Buf != NULL) | |
424 sprintf((char *)Buf, (char *)p, sourcing_name); | |
425 return Buf; | |
426 } | |
427 return NULL; | |
428 } | |
429 | |
430 /* | |
431 * Get the message about the source lnum, as used for an error message. | |
432 * Returns an allocated string with room for one more character. | |
433 * Returns NULL when no message is to be given. | |
434 */ | |
435 static char_u * | |
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436 get_emsg_lnum(void) |
7 | 437 { |
438 char_u *Buf, *p; | |
439 | |
440 /* lnum is 0 when executing a command from the command line | |
441 * argument, we don't want a line number then */ | |
442 if (sourcing_name != NULL | |
16 | 443 && (other_sourcing_name() || sourcing_lnum != last_sourcing_lnum) |
7 | 444 && sourcing_lnum != 0) |
445 { | |
446 p = (char_u *)_("line %4ld:"); | |
447 Buf = alloc((unsigned)(STRLEN(p) + 20)); | |
448 if (Buf != NULL) | |
449 sprintf((char *)Buf, (char *)p, (long)sourcing_lnum); | |
450 return Buf; | |
451 } | |
452 return NULL; | |
453 } | |
454 | |
455 /* | |
16 | 456 * Display name and line number for the source of an error. |
457 * Remember the file name and line number, so that for the next error the info | |
458 * is only displayed if it changed. | |
459 */ | |
460 void | |
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461 msg_source(int attr) |
16 | 462 { |
463 char_u *p; | |
464 | |
465 ++no_wait_return; | |
466 p = get_emsg_source(); | |
467 if (p != NULL) | |
468 { | |
469 msg_attr(p, attr); | |
470 vim_free(p); | |
471 } | |
472 p = get_emsg_lnum(); | |
473 if (p != NULL) | |
474 { | |
475 msg_attr(p, hl_attr(HLF_N)); | |
476 vim_free(p); | |
477 last_sourcing_lnum = sourcing_lnum; /* only once for each line */ | |
478 } | |
479 | |
480 /* remember the last sourcing name printed, also when it's empty */ | |
36 | 481 if (sourcing_name == NULL || other_sourcing_name()) |
16 | 482 { |
483 vim_free(last_sourcing_name); | |
484 if (sourcing_name == NULL) | |
485 last_sourcing_name = NULL; | |
486 else | |
487 last_sourcing_name = vim_strsave(sourcing_name); | |
488 } | |
489 --no_wait_return; | |
490 } | |
491 | |
492 /* | |
840 | 493 * Return TRUE if not giving error messages right now: |
494 * If "emsg_off" is set: no error messages at the moment. | |
495 * If "msg" is in 'debug': do error message but without side effects. | |
496 * If "emsg_skip" is set: never do error messages. | |
497 */ | |
498 int | |
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499 emsg_not_now(void) |
840 | 500 { |
501 if ((emsg_off > 0 && vim_strchr(p_debug, 'm') == NULL | |
502 && vim_strchr(p_debug, 't') == NULL) | |
503 #ifdef FEAT_EVAL | |
504 || emsg_skip > 0 | |
505 #endif | |
506 ) | |
507 return TRUE; | |
508 return FALSE; | |
509 } | |
510 | |
511 /* | |
7 | 512 * emsg() - display an error message |
513 * | |
514 * Rings the bell, if appropriate, and calls message() to do the real work | |
515 * When terminal not initialized (yet) mch_errmsg(..) is used. | |
516 * | |
517 * return TRUE if wait_return not called | |
518 */ | |
519 int | |
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520 emsg(char_u *s) |
7 | 521 { |
522 int attr; | |
523 char_u *p; | |
524 #ifdef FEAT_EVAL | |
525 int ignore = FALSE; | |
526 int severe; | |
527 #endif | |
528 | |
2679 | 529 /* Skip this if not giving error messages at the moment. */ |
530 if (emsg_not_now()) | |
531 return TRUE; | |
532 | |
7 | 533 called_emsg = TRUE; |
167 | 534 ex_exitval = 1; |
7 | 535 |
536 /* | |
105 | 537 * If "emsg_severe" is TRUE: When an error exception is to be thrown, |
538 * prefer this message over previous messages for the same command. | |
7 | 539 */ |
540 #ifdef FEAT_EVAL | |
541 severe = emsg_severe; | |
542 emsg_severe = FALSE; | |
543 #endif | |
544 | |
839 | 545 if (!emsg_off || vim_strchr(p_debug, 't') != NULL) |
7 | 546 { |
547 #ifdef FEAT_EVAL | |
548 /* | |
549 * Cause a throw of an error exception if appropriate. Don't display | |
550 * the error message in this case. (If no matching catch clause will | |
551 * be found, the message will be displayed later on.) "ignore" is set | |
552 * when the message should be ignored completely (used for the | |
553 * interrupt message). | |
554 */ | |
555 if (cause_errthrow(s, severe, &ignore) == TRUE) | |
556 { | |
557 if (!ignore) | |
558 did_emsg = TRUE; | |
559 return TRUE; | |
560 } | |
561 | |
562 /* set "v:errmsg", also when using ":silent! cmd" */ | |
563 set_vim_var_string(VV_ERRMSG, s, -1); | |
564 #endif | |
565 | |
566 /* | |
1619 | 567 * When using ":silent! cmd" ignore error messages. |
7 | 568 * But do write it to the redirection file. |
569 */ | |
570 if (emsg_silent != 0) | |
571 { | |
572 msg_start(); | |
16 | 573 p = get_emsg_source(); |
7 | 574 if (p != NULL) |
575 { | |
576 STRCAT(p, "\n"); | |
577 redir_write(p, -1); | |
578 vim_free(p); | |
579 } | |
16 | 580 p = get_emsg_lnum(); |
7 | 581 if (p != NULL) |
582 { | |
583 STRCAT(p, "\n"); | |
584 redir_write(p, -1); | |
585 vim_free(p); | |
586 } | |
587 redir_write(s, -1); | |
588 return TRUE; | |
589 } | |
590 | |
591 /* Reset msg_silent, an error causes messages to be switched back on. */ | |
592 msg_silent = 0; | |
593 cmd_silent = FALSE; | |
594 | |
595 if (global_busy) /* break :global command */ | |
596 ++global_busy; | |
597 | |
598 if (p_eb) | |
599 beep_flush(); /* also includes flush_buffers() */ | |
600 else | |
601 flush_buffers(FALSE); /* flush internal buffers */ | |
602 did_emsg = TRUE; /* flag for DoOneCmd() */ | |
603 } | |
604 | |
605 emsg_on_display = TRUE; /* remember there is an error message */ | |
606 ++msg_scroll; /* don't overwrite a previous message */ | |
607 attr = hl_attr(HLF_E); /* set highlight mode for error messages */ | |
539 | 608 if (msg_scrolled != 0) |
7 | 609 need_wait_return = TRUE; /* needed in case emsg() is called after |
610 * wait_return has reset need_wait_return | |
611 * and a redraw is expected because | |
612 * msg_scrolled is non-zero */ | |
613 | |
614 /* | |
615 * Display name and line number for the source of the error. | |
616 */ | |
16 | 617 msg_source(attr); |
7 | 618 |
619 /* | |
620 * Display the error message itself. | |
621 */ | |
16 | 622 msg_nowait = FALSE; /* wait for this msg */ |
7 | 623 return msg_attr(s, attr); |
624 } | |
625 | |
626 /* | |
627 * Print an error message with one "%s" and one string argument. | |
628 */ | |
629 int | |
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630 emsg2(char_u *s, char_u *a1) |
7 | 631 { |
632 return emsg3(s, a1, NULL); | |
633 } | |
634 | |
330 | 635 /* emsg3() and emsgn() are in misc2.c to avoid warnings for the prototypes. */ |
7 | 636 |
167 | 637 void |
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638 emsg_invreg(int name) |
167 | 639 { |
640 EMSG2(_("E354: Invalid register name: '%s'"), transchar(name)); | |
641 } | |
642 | |
7 | 643 /* |
644 * Like msg(), but truncate to a single line if p_shm contains 't', or when | |
645 * "force" is TRUE. This truncates in another way as for normal messages. | |
646 * Careful: The string may be changed by msg_may_trunc()! | |
647 * Returns a pointer to the printed message, if wait_return() not called. | |
648 */ | |
649 char_u * | |
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650 msg_trunc_attr(char_u *s, int force, int attr) |
7 | 651 { |
652 int n; | |
653 | |
654 /* Add message to history before truncating */ | |
655 add_msg_hist(s, -1, attr); | |
656 | |
657 s = msg_may_trunc(force, s); | |
658 | |
659 msg_hist_off = TRUE; | |
660 n = msg_attr(s, attr); | |
661 msg_hist_off = FALSE; | |
662 | |
663 if (n) | |
664 return s; | |
665 return NULL; | |
666 } | |
667 | |
668 /* | |
669 * Check if message "s" should be truncated at the start (for filenames). | |
670 * Return a pointer to where the truncated message starts. | |
671 * Note: May change the message by replacing a character with '<'. | |
672 */ | |
673 char_u * | |
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674 msg_may_trunc(int force, char_u *s) |
7 | 675 { |
676 int n; | |
677 int room; | |
678 | |
679 room = (int)(Rows - cmdline_row - 1) * Columns + sc_col - 1; | |
680 if ((force || (shortmess(SHM_TRUNC) && !exmode_active)) | |
681 && (n = (int)STRLEN(s) - room) > 0) | |
682 { | |
683 #ifdef FEAT_MBYTE | |
684 if (has_mbyte) | |
685 { | |
686 int size = vim_strsize(s); | |
687 | |
615 | 688 /* There may be room anyway when there are multibyte chars. */ |
689 if (size <= room) | |
690 return s; | |
691 | |
7 | 692 for (n = 0; size >= room; ) |
693 { | |
694 size -= (*mb_ptr2cells)(s + n); | |
474 | 695 n += (*mb_ptr2len)(s + n); |
7 | 696 } |
697 --n; | |
698 } | |
699 #endif | |
700 s += n; | |
701 *s = '<'; | |
702 } | |
703 return s; | |
704 } | |
705 | |
706 static void | |
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707 add_msg_hist( |
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708 char_u *s, |
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709 int len, /* -1 for undetermined length */ |
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710 int attr) |
7 | 711 { |
712 struct msg_hist *p; | |
713 | |
714 if (msg_hist_off || msg_silent != 0) | |
715 return; | |
716 | |
717 /* Don't let the message history get too big */ | |
625 | 718 while (msg_hist_len > MAX_MSG_HIST_LEN) |
355 | 719 (void)delete_first_msg(); |
720 | |
7 | 721 /* allocate an entry and add the message at the end of the history */ |
722 p = (struct msg_hist *)alloc((int)sizeof(struct msg_hist)); | |
723 if (p != NULL) | |
724 { | |
725 if (len < 0) | |
726 len = (int)STRLEN(s); | |
727 /* remove leading and trailing newlines */ | |
728 while (len > 0 && *s == '\n') | |
729 { | |
730 ++s; | |
731 --len; | |
732 } | |
733 while (len > 0 && s[len - 1] == '\n') | |
734 --len; | |
735 p->msg = vim_strnsave(s, len); | |
736 p->next = NULL; | |
737 p->attr = attr; | |
738 if (last_msg_hist != NULL) | |
739 last_msg_hist->next = p; | |
740 last_msg_hist = p; | |
741 if (first_msg_hist == NULL) | |
742 first_msg_hist = last_msg_hist; | |
743 ++msg_hist_len; | |
744 } | |
745 } | |
746 | |
747 /* | |
355 | 748 * Delete the first (oldest) message from the history. |
749 * Returns FAIL if there are no messages. | |
750 */ | |
751 int | |
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752 delete_first_msg(void) |
355 | 753 { |
754 struct msg_hist *p; | |
755 | |
756 if (msg_hist_len <= 0) | |
757 return FAIL; | |
758 p = first_msg_hist; | |
759 first_msg_hist = p->next; | |
1619 | 760 if (first_msg_hist == NULL) |
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761 last_msg_hist = NULL; /* history is empty */ |
355 | 762 vim_free(p->msg); |
763 vim_free(p); | |
764 --msg_hist_len; | |
765 return OK; | |
766 } | |
767 | |
768 /* | |
7 | 769 * ":messages" command. |
770 */ | |
771 void | |
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772 ex_messages(exarg_T *eap UNUSED) |
7 | 773 { |
774 struct msg_hist *p; | |
775 char_u *s; | |
776 | |
777 msg_hist_off = TRUE; | |
778 | |
779 s = mch_getenv((char_u *)"LANG"); | |
780 if (s != NULL && *s != NUL) | |
781 msg_attr((char_u *) | |
782 _("Messages maintainer: Bram Moolenaar <Bram@vim.org>"), | |
783 hl_attr(HLF_T)); | |
784 | |
1391 | 785 for (p = first_msg_hist; p != NULL && !got_int; p = p->next) |
7 | 786 if (p->msg != NULL) |
787 msg_attr(p->msg, p->attr); | |
788 | |
789 msg_hist_off = FALSE; | |
790 } | |
791 | |
28 | 792 #if defined(FEAT_CON_DIALOG) || defined(FIND_REPLACE_DIALOG) || defined(PROTO) |
7 | 793 /* |
794 * Call this after prompting the user. This will avoid a hit-return message | |
795 * and a delay. | |
796 */ | |
28 | 797 void |
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798 msg_end_prompt(void) |
7 | 799 { |
800 need_wait_return = FALSE; | |
801 emsg_on_display = FALSE; | |
802 cmdline_row = msg_row; | |
803 msg_col = 0; | |
804 msg_clr_eos(); | |
3240 | 805 lines_left = -1; |
7 | 806 } |
807 #endif | |
808 | |
809 /* | |
810 * wait for the user to hit a key (normally a return) | |
811 * if 'redraw' is TRUE, clear and redraw the screen | |
812 * if 'redraw' is FALSE, just redraw the screen | |
813 * if 'redraw' is -1, don't redraw at all | |
814 */ | |
815 void | |
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816 wait_return(int redraw) |
7 | 817 { |
818 int c; | |
819 int oldState; | |
820 int tmpState; | |
821 int had_got_int; | |
5430 | 822 int save_Recording; |
823 FILE *save_scriptout; | |
7 | 824 |
825 if (redraw == TRUE) | |
826 must_redraw = CLEAR; | |
827 | |
828 /* If using ":silent cmd", don't wait for a return. Also don't set | |
829 * need_wait_return to do it later. */ | |
830 if (msg_silent != 0) | |
831 return; | |
832 | |
2723 | 833 /* |
834 * When inside vgetc(), we can't wait for a typed character at all. | |
835 * With the global command (and some others) we only need one return at | |
836 * the end. Adjust cmdline_row to avoid the next message overwriting the | |
837 * last one. | |
838 */ | |
822 | 839 if (vgetc_busy > 0) |
7 | 840 return; |
2723 | 841 need_wait_return = TRUE; |
7 | 842 if (no_wait_return) |
843 { | |
844 if (!exmode_active) | |
845 cmdline_row = msg_row; | |
846 return; | |
847 } | |
848 | |
849 redir_off = TRUE; /* don't redirect this message */ | |
850 oldState = State; | |
851 if (quit_more) | |
852 { | |
853 c = CAR; /* just pretend CR was hit */ | |
854 quit_more = FALSE; | |
855 got_int = FALSE; | |
856 } | |
857 else if (exmode_active) | |
858 { | |
859 MSG_PUTS(" "); /* make sure the cursor is on the right line */ | |
860 c = CAR; /* no need for a return in ex mode */ | |
861 got_int = FALSE; | |
862 } | |
863 else | |
864 { | |
865 /* Make sure the hit-return prompt is on screen when 'guioptions' was | |
866 * just changed. */ | |
867 screenalloc(FALSE); | |
868 | |
869 State = HITRETURN; | |
870 #ifdef FEAT_MOUSE | |
871 setmouse(); | |
872 #endif | |
873 #ifdef USE_ON_FLY_SCROLL | |
874 dont_scroll = TRUE; /* disallow scrolling here */ | |
875 #endif | |
4325 | 876 /* Avoid the sequence that the user types ":" at the hit-return prompt |
877 * to start an Ex command, but the file-changed dialog gets in the | |
878 * way. */ | |
879 if (need_check_timestamps) | |
880 check_timestamps(FALSE); | |
881 | |
7 | 882 hit_return_msg(); |
883 | |
884 do | |
885 { | |
886 /* Remember "got_int", if it is set vgetc() probably returns a | |
887 * CTRL-C, but we need to loop then. */ | |
888 had_got_int = got_int; | |
280 | 889 |
890 /* Don't do mappings here, we put the character back in the | |
891 * typeahead buffer. */ | |
892 ++no_mapping; | |
893 ++allow_keys; | |
5430 | 894 |
895 /* Temporarily disable Recording. If Recording is active, the | |
896 * character will be recorded later, since it will be added to the | |
897 * typebuf after the loop */ | |
898 save_Recording = Recording; | |
899 save_scriptout = scriptout; | |
900 Recording = FALSE; | |
901 scriptout = NULL; | |
7 | 902 c = safe_vgetc(); |
216 | 903 if (had_got_int && !global_busy) |
7 | 904 got_int = FALSE; |
280 | 905 --no_mapping; |
906 --allow_keys; | |
5430 | 907 Recording = save_Recording; |
908 scriptout = save_scriptout; | |
280 | 909 |
7 | 910 #ifdef FEAT_CLIPBOARD |
911 /* Strange way to allow copying (yanking) a modeless selection at | |
912 * the hit-enter prompt. Use CTRL-Y, because the same is used in | |
913 * Cmdline-mode and it's harmless when there is no selection. */ | |
914 if (c == Ctrl_Y && clip_star.state == SELECT_DONE) | |
915 { | |
916 clip_copy_modeless_selection(TRUE); | |
917 c = K_IGNORE; | |
918 } | |
919 #endif | |
1381 | 920 |
698 | 921 /* |
922 * Allow scrolling back in the messages. | |
923 * Also accept scroll-down commands when messages fill the screen, | |
924 * to avoid that typing one 'j' too many makes the messages | |
925 * disappear. | |
926 */ | |
927 if (p_more && !p_cp) | |
446 | 928 { |
4234 | 929 if (c == 'b' || c == 'k' || c == 'u' || c == 'g' |
930 || c == K_UP || c == K_PAGEUP) | |
446 | 931 { |
4234 | 932 if (msg_scrolled > Rows) |
933 /* scroll back to show older messages */ | |
934 do_more_prompt(c); | |
935 else | |
936 { | |
937 msg_didout = FALSE; | |
938 c = K_IGNORE; | |
939 msg_col = | |
940 #ifdef FEAT_RIGHTLEFT | |
941 cmdmsg_rl ? Columns - 1 : | |
942 #endif | |
943 0; | |
944 } | |
698 | 945 if (quit_more) |
946 { | |
947 c = CAR; /* just pretend CR was hit */ | |
948 quit_more = FALSE; | |
949 got_int = FALSE; | |
950 } | |
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951 else if (c != K_IGNORE) |
698 | 952 { |
953 c = K_IGNORE; | |
954 hit_return_msg(); | |
955 } | |
446 | 956 } |
698 | 957 else if (msg_scrolled > Rows - 2 |
4234 | 958 && (c == 'j' || c == 'd' || c == 'f' |
959 || c == K_DOWN || c == K_PAGEDOWN)) | |
446 | 960 c = K_IGNORE; |
961 } | |
7 | 962 } while ((had_got_int && c == Ctrl_C) |
963 || c == K_IGNORE | |
964 #ifdef FEAT_GUI | |
965 || c == K_VER_SCROLLBAR || c == K_HOR_SCROLLBAR | |
966 #endif | |
967 #ifdef FEAT_MOUSE | |
968 || c == K_LEFTDRAG || c == K_LEFTRELEASE | |
969 || c == K_MIDDLEDRAG || c == K_MIDDLERELEASE | |
970 || c == K_RIGHTDRAG || c == K_RIGHTRELEASE | |
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971 || c == K_MOUSELEFT || c == K_MOUSERIGHT |
7 | 972 || c == K_MOUSEDOWN || c == K_MOUSEUP |
973 || (!mouse_has(MOUSE_RETURN) | |
974 && mouse_row < msg_row | |
975 && (c == K_LEFTMOUSE | |
976 || c == K_MIDDLEMOUSE | |
977 || c == K_RIGHTMOUSE | |
978 || c == K_X1MOUSE | |
979 || c == K_X2MOUSE)) | |
980 #endif | |
981 ); | |
982 ui_breakcheck(); | |
983 #ifdef FEAT_MOUSE | |
984 /* | |
985 * Avoid that the mouse-up event causes visual mode to start. | |
986 */ | |
987 if (c == K_LEFTMOUSE || c == K_MIDDLEMOUSE || c == K_RIGHTMOUSE | |
988 || c == K_X1MOUSE || c == K_X2MOUSE) | |
989 (void)jump_to_mouse(MOUSE_SETPOS, NULL, 0); | |
990 else | |
991 #endif | |
992 if (vim_strchr((char_u *)"\r\n ", c) == NULL && c != Ctrl_C) | |
993 { | |
280 | 994 /* Put the character back in the typeahead buffer. Don't use the |
995 * stuff buffer, because lmaps wouldn't work. */ | |
852 | 996 ins_char_typebuf(c); |
7 | 997 do_redraw = TRUE; /* need a redraw even though there is |
280 | 998 typeahead */ |
7 | 999 } |
1000 } | |
1001 redir_off = FALSE; | |
1002 | |
1003 /* | |
1004 * If the user hits ':', '?' or '/' we get a command line from the next | |
1005 * line. | |
1006 */ | |
1007 if (c == ':' || c == '?' || c == '/') | |
1008 { | |
1009 if (!exmode_active) | |
1010 cmdline_row = msg_row; | |
1011 skip_redraw = TRUE; /* skip redraw once */ | |
1012 do_redraw = FALSE; | |
1013 } | |
1014 | |
1015 /* | |
1016 * If the window size changed set_shellsize() will redraw the screen. | |
1017 * Otherwise the screen is only redrawn if 'redraw' is set and no ':' | |
1018 * typed. | |
1019 */ | |
1020 tmpState = State; | |
1021 State = oldState; /* restore State before set_shellsize */ | |
1022 #ifdef FEAT_MOUSE | |
1023 setmouse(); | |
1024 #endif | |
1025 msg_check(); | |
1026 | |
1027 #if defined(UNIX) || defined(VMS) | |
1028 /* | |
1029 * When switching screens, we need to output an extra newline on exit. | |
1030 */ | |
1031 if (swapping_screen() && !termcap_active) | |
1032 newline_on_exit = TRUE; | |
1033 #endif | |
1034 | |
1035 need_wait_return = FALSE; | |
1036 did_wait_return = TRUE; | |
1037 emsg_on_display = FALSE; /* can delete error message now */ | |
1038 lines_left = -1; /* reset lines_left at next msg_start() */ | |
1039 reset_last_sourcing(); | |
1040 if (keep_msg != NULL && vim_strsize(keep_msg) >= | |
1041 (Rows - cmdline_row - 1) * Columns + sc_col) | |
1042 { | |
1043 vim_free(keep_msg); | |
1044 keep_msg = NULL; /* don't redisplay message, it's too long */ | |
1045 } | |
1046 | |
1047 if (tmpState == SETWSIZE) /* got resize event while in vgetc() */ | |
1048 { | |
1049 starttermcap(); /* start termcap before redrawing */ | |
1050 shell_resized(); | |
1051 } | |
1052 else if (!skip_redraw | |
1053 && (redraw == TRUE || (msg_scrolled != 0 && redraw != -1))) | |
1054 { | |
1055 starttermcap(); /* start termcap before redrawing */ | |
1056 redraw_later(VALID); | |
1057 } | |
1058 } | |
1059 | |
1060 /* | |
1061 * Write the hit-return prompt. | |
1062 */ | |
1063 static void | |
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1064 hit_return_msg(void) |
7 | 1065 { |
446 | 1066 int save_p_more = p_more; |
1067 | |
1068 p_more = FALSE; /* don't want see this message when scrolling back */ | |
1069 if (msg_didout) /* start on a new line */ | |
7 | 1070 msg_putchar('\n'); |
1071 if (got_int) | |
1072 MSG_PUTS(_("Interrupt: ")); | |
1073 | |
446 | 1074 MSG_PUTS_ATTR(_("Press ENTER or type command to continue"), hl_attr(HLF_R)); |
7 | 1075 if (!msg_use_printf()) |
1076 msg_clr_eos(); | |
446 | 1077 p_more = save_p_more; |
7 | 1078 } |
1079 | |
1080 /* | |
1081 * Set "keep_msg" to "s". Free the old value and check for NULL pointer. | |
1082 */ | |
1083 void | |
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1084 set_keep_msg(char_u *s, int attr) |
7 | 1085 { |
1086 vim_free(keep_msg); | |
1087 if (s != NULL && msg_silent == 0) | |
1088 keep_msg = vim_strsave(s); | |
1089 else | |
1090 keep_msg = NULL; | |
127 | 1091 keep_msg_more = FALSE; |
678 | 1092 keep_msg_attr = attr; |
7 | 1093 } |
1094 | |
678 | 1095 #if defined(FEAT_TERMRESPONSE) || defined(PROTO) |
1096 /* | |
1097 * If there currently is a message being displayed, set "keep_msg" to it, so | |
1098 * that it will be displayed again after redraw. | |
1099 */ | |
1100 void | |
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1101 set_keep_msg_from_hist(void) |
678 | 1102 { |
1103 if (keep_msg == NULL && last_msg_hist != NULL && msg_scrolled == 0 | |
1104 && (State & NORMAL)) | |
1105 set_keep_msg(last_msg_hist->msg, last_msg_hist->attr); | |
1106 } | |
1107 #endif | |
1108 | |
7 | 1109 /* |
1110 * Prepare for outputting characters in the command line. | |
1111 */ | |
1112 void | |
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1113 msg_start(void) |
7 | 1114 { |
1115 int did_return = FALSE; | |
1116 | |
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1117 if (!msg_silent) |
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1118 { |
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1119 vim_free(keep_msg); |
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1120 keep_msg = NULL; /* don't display old message now */ |
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1121 } |
1619 | 1122 |
1123 #ifdef FEAT_EVAL | |
1124 if (need_clr_eos) | |
1125 { | |
1126 /* Halfway an ":echo" command and getting an (error) message: clear | |
1127 * any text from the command. */ | |
1128 need_clr_eos = FALSE; | |
1129 msg_clr_eos(); | |
1130 } | |
1131 #endif | |
1132 | |
7 | 1133 if (!msg_scroll && full_screen) /* overwrite last message */ |
1134 { | |
1135 msg_row = cmdline_row; | |
1136 msg_col = | |
1137 #ifdef FEAT_RIGHTLEFT | |
1138 cmdmsg_rl ? Columns - 1 : | |
1139 #endif | |
1140 0; | |
1141 } | |
1142 else if (msg_didout) /* start message on next line */ | |
1143 { | |
1144 msg_putchar('\n'); | |
1145 did_return = TRUE; | |
1146 if (exmode_active != EXMODE_NORMAL) | |
1147 cmdline_row = msg_row; | |
1148 } | |
1149 if (!msg_didany || lines_left < 0) | |
1150 msg_starthere(); | |
1151 if (msg_silent == 0) | |
1152 { | |
1153 msg_didout = FALSE; /* no output on current line yet */ | |
1154 cursor_off(); | |
1155 } | |
1156 | |
1157 /* when redirecting, may need to start a new line. */ | |
1158 if (!did_return) | |
1159 redir_write((char_u *)"\n", -1); | |
1160 } | |
1161 | |
1162 /* | |
1163 * Note that the current msg position is where messages start. | |
1164 */ | |
1165 void | |
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1166 msg_starthere(void) |
7 | 1167 { |
1168 lines_left = cmdline_row; | |
1169 msg_didany = FALSE; | |
1170 } | |
1171 | |
1172 void | |
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1173 msg_putchar(int c) |
7 | 1174 { |
1175 msg_putchar_attr(c, 0); | |
1176 } | |
1177 | |
1178 void | |
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1179 msg_putchar_attr(int c, int attr) |
7 | 1180 { |
1181 #ifdef FEAT_MBYTE | |
1182 char_u buf[MB_MAXBYTES + 1]; | |
1183 #else | |
1184 char_u buf[4]; | |
1185 #endif | |
1186 | |
1187 if (IS_SPECIAL(c)) | |
1188 { | |
1189 buf[0] = K_SPECIAL; | |
1190 buf[1] = K_SECOND(c); | |
1191 buf[2] = K_THIRD(c); | |
1192 buf[3] = NUL; | |
1193 } | |
1194 else | |
1195 { | |
1196 #ifdef FEAT_MBYTE | |
1197 buf[(*mb_char2bytes)(c, buf)] = NUL; | |
1198 #else | |
1199 buf[0] = c; | |
1200 buf[1] = NUL; | |
1201 #endif | |
1202 } | |
1203 msg_puts_attr(buf, attr); | |
1204 } | |
1205 | |
1206 void | |
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1207 msg_outnum(long n) |
7 | 1208 { |
1209 char_u buf[20]; | |
1210 | |
1211 sprintf((char *)buf, "%ld", n); | |
1212 msg_puts(buf); | |
1213 } | |
1214 | |
1215 void | |
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1216 msg_home_replace(char_u *fname) |
7 | 1217 { |
1218 msg_home_replace_attr(fname, 0); | |
1219 } | |
1220 | |
1221 #if defined(FEAT_FIND_ID) || defined(PROTO) | |
1222 void | |
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1223 msg_home_replace_hl(char_u *fname) |
7 | 1224 { |
1225 msg_home_replace_attr(fname, hl_attr(HLF_D)); | |
1226 } | |
1227 #endif | |
1228 | |
1229 static void | |
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1230 msg_home_replace_attr(char_u *fname, int attr) |
7 | 1231 { |
1232 char_u *name; | |
1233 | |
1234 name = home_replace_save(NULL, fname); | |
1235 if (name != NULL) | |
1236 msg_outtrans_attr(name, attr); | |
1237 vim_free(name); | |
1238 } | |
1239 | |
1240 /* | |
1241 * Output 'len' characters in 'str' (including NULs) with translation | |
1242 * if 'len' is -1, output upto a NUL character. | |
1243 * Use attributes 'attr'. | |
1244 * Return the number of characters it takes on the screen. | |
1245 */ | |
1246 int | |
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1247 msg_outtrans(char_u *str) |
7 | 1248 { |
1249 return msg_outtrans_attr(str, 0); | |
1250 } | |
1251 | |
1252 int | |
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1253 msg_outtrans_attr(char_u *str, int attr) |
7 | 1254 { |
1255 return msg_outtrans_len_attr(str, (int)STRLEN(str), attr); | |
1256 } | |
1257 | |
1258 int | |
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1259 msg_outtrans_len(char_u *str, int len) |
7 | 1260 { |
1261 return msg_outtrans_len_attr(str, len, 0); | |
1262 } | |
1263 | |
1264 /* | |
1265 * Output one character at "p". Return pointer to the next character. | |
1266 * Handles multi-byte characters. | |
1267 */ | |
1268 char_u * | |
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1269 msg_outtrans_one(char_u *p, int attr) |
7 | 1270 { |
1271 #ifdef FEAT_MBYTE | |
1272 int l; | |
1273 | |
474 | 1274 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
7 | 1275 { |
1276 msg_outtrans_len_attr(p, l, attr); | |
1277 return p + l; | |
1278 } | |
1279 #endif | |
1280 msg_puts_attr(transchar_byte(*p), attr); | |
1281 return p + 1; | |
1282 } | |
1283 | |
1284 int | |
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1285 msg_outtrans_len_attr(char_u *msgstr, int len, int attr) |
7 | 1286 { |
1287 int retval = 0; | |
1288 char_u *str = msgstr; | |
1289 char_u *plain_start = msgstr; | |
1290 char_u *s; | |
1291 #ifdef FEAT_MBYTE | |
1292 int mb_l; | |
1293 int c; | |
1294 #endif | |
1295 | |
1296 /* if MSG_HIST flag set, add message to history */ | |
1297 if (attr & MSG_HIST) | |
1298 { | |
1299 add_msg_hist(str, len, attr); | |
1300 attr &= ~MSG_HIST; | |
1301 } | |
1302 | |
1303 #ifdef FEAT_MBYTE | |
1304 /* If the string starts with a composing character first draw a space on | |
1305 * which the composing char can be drawn. */ | |
1306 if (enc_utf8 && utf_iscomposing(utf_ptr2char(msgstr))) | |
1307 msg_puts_attr((char_u *)" ", attr); | |
1308 #endif | |
1309 | |
1310 /* | |
1311 * Go over the string. Special characters are translated and printed. | |
1312 * Normal characters are printed several at a time. | |
1313 */ | |
1314 while (--len >= 0) | |
1315 { | |
1316 #ifdef FEAT_MBYTE | |
1317 if (enc_utf8) | |
1318 /* Don't include composing chars after the end. */ | |
474 | 1319 mb_l = utfc_ptr2len_len(str, len + 1); |
7 | 1320 else if (has_mbyte) |
474 | 1321 mb_l = (*mb_ptr2len)(str); |
7 | 1322 else |
1323 mb_l = 1; | |
1324 if (has_mbyte && mb_l > 1) | |
1325 { | |
1326 c = (*mb_ptr2char)(str); | |
1327 if (vim_isprintc(c)) | |
1328 /* printable multi-byte char: count the cells. */ | |
1329 retval += (*mb_ptr2cells)(str); | |
1330 else | |
1331 { | |
1332 /* unprintable multi-byte char: print the printable chars so | |
1333 * far and the translation of the unprintable char. */ | |
1334 if (str > plain_start) | |
1335 msg_puts_attr_len(plain_start, (int)(str - plain_start), | |
1336 attr); | |
1337 plain_start = str + mb_l; | |
1338 msg_puts_attr(transchar(c), attr == 0 ? hl_attr(HLF_8) : attr); | |
1339 retval += char2cells(c); | |
1340 } | |
1341 len -= mb_l - 1; | |
1342 str += mb_l; | |
1343 } | |
1344 else | |
1345 #endif | |
1346 { | |
1347 s = transchar_byte(*str); | |
1348 if (s[1] != NUL) | |
1349 { | |
1350 /* unprintable char: print the printable chars so far and the | |
1351 * translation of the unprintable char. */ | |
1352 if (str > plain_start) | |
1353 msg_puts_attr_len(plain_start, (int)(str - plain_start), | |
1354 attr); | |
1355 plain_start = str + 1; | |
1356 msg_puts_attr(s, attr == 0 ? hl_attr(HLF_8) : attr); | |
1668 | 1357 retval += (int)STRLEN(s); |
7 | 1358 } |
1663 | 1359 else |
1360 ++retval; | |
7 | 1361 ++str; |
1362 } | |
1363 } | |
1364 | |
1365 if (str > plain_start) | |
1366 /* print the printable chars at the end */ | |
1367 msg_puts_attr_len(plain_start, (int)(str - plain_start), attr); | |
1368 | |
1369 return retval; | |
1370 } | |
1371 | |
1372 #if defined(FEAT_QUICKFIX) || defined(PROTO) | |
1373 void | |
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1374 msg_make(char_u *arg) |
7 | 1375 { |
1376 int i; | |
1377 static char_u *str = (char_u *)"eeffoc", *rs = (char_u *)"Plon#dqg#vxjduB"; | |
1378 | |
1379 arg = skipwhite(arg); | |
1380 for (i = 5; *arg && i >= 0; --i) | |
1381 if (*arg++ != str[i]) | |
1382 break; | |
1383 if (i < 0) | |
1384 { | |
1385 msg_putchar('\n'); | |
1386 for (i = 0; rs[i]; ++i) | |
1387 msg_putchar(rs[i] - 3); | |
1388 } | |
1389 } | |
1390 #endif | |
1391 | |
1392 /* | |
1393 * Output the string 'str' upto a NUL character. | |
1394 * Return the number of characters it takes on the screen. | |
1395 * | |
1396 * If K_SPECIAL is encountered, then it is taken in conjunction with the | |
1397 * following character and shown as <F1>, <S-Up> etc. Any other character | |
1398 * which is not printable shown in <> form. | |
1399 * If 'from' is TRUE (lhs of a mapping), a space is shown as <Space>. | |
1400 * If a character is displayed in one of these special ways, is also | |
1401 * highlighted (its highlight name is '8' in the p_hl variable). | |
1402 * Otherwise characters are not highlighted. | |
1403 * This function is used to show mappings, where we want to see how to type | |
1404 * the character/string -- webb | |
1405 */ | |
1406 int | |
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1407 msg_outtrans_special( |
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1408 char_u *strstart, |
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1409 int from) /* TRUE for lhs of a mapping */ |
7 | 1410 { |
1411 char_u *str = strstart; | |
1412 int retval = 0; | |
1413 char_u *string; | |
1414 int attr; | |
1415 int len; | |
1416 | |
1417 attr = hl_attr(HLF_8); | |
1418 while (*str != NUL) | |
1419 { | |
1420 /* Leading and trailing spaces need to be displayed in <> form. */ | |
1421 if ((str == strstart || str[1] == NUL) && *str == ' ') | |
1422 { | |
1423 string = (char_u *)"<Space>"; | |
1424 ++str; | |
1425 } | |
1426 else | |
1427 string = str2special(&str, from); | |
1428 len = vim_strsize(string); | |
1429 /* Highlight special keys */ | |
1430 msg_puts_attr(string, len > 1 | |
1431 #ifdef FEAT_MBYTE | |
474 | 1432 && (*mb_ptr2len)(string) <= 1 |
7 | 1433 #endif |
1434 ? attr : 0); | |
1435 retval += len; | |
1436 } | |
1437 return retval; | |
1438 } | |
1439 | |
2610 | 1440 #if defined(FEAT_EVAL) || defined(PROTO) |
1441 /* | |
1442 * Return the lhs or rhs of a mapping, with the key codes turned into printable | |
1443 * strings, in an allocated string. | |
1444 */ | |
1445 char_u * | |
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1446 str2special_save( |
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1447 char_u *str, |
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1448 int is_lhs) /* TRUE for lhs, FALSE for rhs */ |
2610 | 1449 { |
1450 garray_T ga; | |
1451 char_u *p = str; | |
1452 | |
1453 ga_init2(&ga, 1, 40); | |
1454 while (*p != NUL) | |
1455 ga_concat(&ga, str2special(&p, is_lhs)); | |
1456 ga_append(&ga, NUL); | |
1457 return (char_u *)ga.ga_data; | |
1458 } | |
1459 #endif | |
1460 | |
7 | 1461 /* |
1462 * Return the printable string for the key codes at "*sp". | |
1463 * Used for translating the lhs or rhs of a mapping to printable chars. | |
1464 * Advances "sp" to the next code. | |
1465 */ | |
1466 char_u * | |
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1467 str2special( |
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1468 char_u **sp, |
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1469 int from) /* TRUE for lhs of mapping */ |
7 | 1470 { |
1471 int c; | |
1472 static char_u buf[7]; | |
1473 char_u *str = *sp; | |
1474 int modifiers = 0; | |
1475 int special = FALSE; | |
1476 | |
1477 #ifdef FEAT_MBYTE | |
1478 if (has_mbyte) | |
1479 { | |
1480 char_u *p; | |
1481 | |
1482 /* Try to un-escape a multi-byte character. Return the un-escaped | |
1483 * string if it is a multi-byte character. */ | |
1484 p = mb_unescape(sp); | |
1485 if (p != NULL) | |
1486 return p; | |
1487 } | |
1488 #endif | |
1489 | |
1490 c = *str; | |
1491 if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) | |
1492 { | |
1493 if (str[1] == KS_MODIFIER) | |
1494 { | |
1495 modifiers = str[2]; | |
1496 str += 3; | |
1497 c = *str; | |
1498 } | |
1499 if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) | |
1500 { | |
1501 c = TO_SPECIAL(str[1], str[2]); | |
1502 str += 2; | |
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1503 if (c == KS_ZERO) /* display <Nul> as ^@ or <Nul> */ |
7 | 1504 c = NUL; |
1505 } | |
1506 if (IS_SPECIAL(c) || modifiers) /* special key */ | |
1507 special = TRUE; | |
1508 } | |
1509 | |
1510 #ifdef FEAT_MBYTE | |
3024 | 1511 if (has_mbyte && !IS_SPECIAL(c)) |
7 | 1512 { |
3072 | 1513 int len = (*mb_ptr2len)(str); |
3024 | 1514 |
1515 /* For multi-byte characters check for an illegal byte. */ | |
1516 if (has_mbyte && MB_BYTE2LEN(*str) > len) | |
1517 { | |
1518 transchar_nonprint(buf, c); | |
1519 *sp = str + 1; | |
1520 return buf; | |
1521 } | |
3072 | 1522 /* Since 'special' is TRUE the multi-byte character 'c' will be |
1523 * processed by get_special_key_name() */ | |
1524 c = (*mb_ptr2char)(str); | |
1525 *sp = str + len; | |
7 | 1526 } |
3024 | 1527 else |
7 | 1528 #endif |
3024 | 1529 *sp = str + 1; |
7 | 1530 |
1531 /* Make unprintable characters in <> form, also <M-Space> and <Tab>. | |
1532 * Use <Space> only for lhs of a mapping. */ | |
1533 if (special || char2cells(c) > 1 || (from && c == ' ')) | |
1534 return get_special_key_name(c, modifiers); | |
1535 buf[0] = c; | |
1536 buf[1] = NUL; | |
1537 return buf; | |
1538 } | |
1539 | |
1540 /* | |
1541 * Translate a key sequence into special key names. | |
1542 */ | |
1543 void | |
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|
1544 str2specialbuf(char_u *sp, char_u *buf, int len) |
7 | 1545 { |
1546 char_u *s; | |
1547 | |
1548 *buf = NUL; | |
1549 while (*sp) | |
1550 { | |
1551 s = str2special(&sp, FALSE); | |
1552 if ((int)(STRLEN(s) + STRLEN(buf)) < len) | |
1553 STRCAT(buf, s); | |
1554 } | |
1555 } | |
1556 | |
1557 /* | |
1558 * print line for :print or :list command | |
1559 */ | |
1560 void | |
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1561 msg_prt_line(char_u *s, int list) |
7 | 1562 { |
1563 int c; | |
1564 int col = 0; | |
1565 int n_extra = 0; | |
1566 int c_extra = 0; | |
1567 char_u *p_extra = NULL; /* init to make SASC shut up */ | |
1568 int n; | |
1059 | 1569 int attr = 0; |
7 | 1570 char_u *trail = NULL; |
1571 #ifdef FEAT_MBYTE | |
1572 int l; | |
1573 char_u buf[MB_MAXBYTES + 1]; | |
1574 #endif | |
1575 | |
167 | 1576 if (curwin->w_p_list) |
1577 list = TRUE; | |
1578 | |
7 | 1579 /* find start of trailing whitespace */ |
167 | 1580 if (list && lcs_trail) |
7 | 1581 { |
1582 trail = s + STRLEN(s); | |
1583 while (trail > s && vim_iswhite(trail[-1])) | |
1584 --trail; | |
1585 } | |
1586 | |
1587 /* output a space for an empty line, otherwise the line will be | |
1588 * overwritten */ | |
167 | 1589 if (*s == NUL && !(list && lcs_eol != NUL)) |
7 | 1590 msg_putchar(' '); |
1591 | |
446 | 1592 while (!got_int) |
7 | 1593 { |
1059 | 1594 if (n_extra > 0) |
7 | 1595 { |
1596 --n_extra; | |
1597 if (c_extra) | |
1598 c = c_extra; | |
1599 else | |
1600 c = *p_extra++; | |
1601 } | |
1602 #ifdef FEAT_MBYTE | |
474 | 1603 else if (has_mbyte && (l = (*mb_ptr2len)(s)) > 1) |
7 | 1604 { |
1605 col += (*mb_ptr2cells)(s); | |
6801 | 1606 if (lcs_nbsp != NUL && list |
1607 && (mb_ptr2char(s) == 160 | |
1608 || mb_ptr2char(s) == 0x202f)) | |
2692 | 1609 { |
1610 mb_char2bytes(lcs_nbsp, buf); | |
1611 buf[(*mb_ptr2len)(buf)] = NUL; | |
1612 } | |
1613 else | |
1614 { | |
1615 mch_memmove(buf, s, (size_t)l); | |
1616 buf[l] = NUL; | |
1617 } | |
1059 | 1618 msg_puts(buf); |
7 | 1619 s += l; |
1620 continue; | |
1621 } | |
1622 #endif | |
1623 else | |
1624 { | |
1625 attr = 0; | |
1626 c = *s++; | |
167 | 1627 if (c == TAB && (!list || lcs_tab1)) |
7 | 1628 { |
1629 /* tab amount depends on current column */ | |
1630 n_extra = curbuf->b_p_ts - col % curbuf->b_p_ts - 1; | |
167 | 1631 if (!list) |
7 | 1632 { |
1633 c = ' '; | |
1634 c_extra = ' '; | |
1635 } | |
1636 else | |
1637 { | |
1638 c = lcs_tab1; | |
1639 c_extra = lcs_tab2; | |
1640 attr = hl_attr(HLF_8); | |
1641 } | |
1642 } | |
2692 | 1643 else if (c == 160 && list && lcs_nbsp != NUL) |
1644 { | |
1645 c = lcs_nbsp; | |
1646 attr = hl_attr(HLF_8); | |
1647 } | |
167 | 1648 else if (c == NUL && list && lcs_eol != NUL) |
7 | 1649 { |
1650 p_extra = (char_u *)""; | |
1651 c_extra = NUL; | |
1652 n_extra = 1; | |
1653 c = lcs_eol; | |
1654 attr = hl_attr(HLF_AT); | |
1655 --s; | |
1656 } | |
1657 else if (c != NUL && (n = byte2cells(c)) > 1) | |
1658 { | |
1659 n_extra = n - 1; | |
1660 p_extra = transchar_byte(c); | |
1661 c_extra = NUL; | |
1662 c = *p_extra++; | |
1059 | 1663 /* Use special coloring to be able to distinguish <hex> from |
1664 * the same in plain text. */ | |
1665 attr = hl_attr(HLF_8); | |
7 | 1666 } |
1667 else if (c == ' ' && trail != NULL && s > trail) | |
1668 { | |
1669 c = lcs_trail; | |
1670 attr = hl_attr(HLF_8); | |
1671 } | |
6781 | 1672 else if (c == ' ' && list && lcs_space != NUL) |
1673 { | |
1674 c = lcs_space; | |
1675 attr = hl_attr(HLF_8); | |
1676 } | |
7 | 1677 } |
1678 | |
1679 if (c == NUL) | |
1680 break; | |
1681 | |
1682 msg_putchar_attr(c, attr); | |
1683 col++; | |
1684 } | |
1685 msg_clr_eos(); | |
1686 } | |
1687 | |
1688 #ifdef FEAT_MBYTE | |
1689 /* | |
1690 * Use screen_puts() to output one multi-byte character. | |
1691 * Return the pointer "s" advanced to the next character. | |
1692 */ | |
1693 static char_u * | |
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1694 screen_puts_mbyte(char_u *s, int l, int attr) |
7 | 1695 { |
1696 int cw; | |
1697 | |
1698 msg_didout = TRUE; /* remember that line is not empty */ | |
1699 cw = (*mb_ptr2cells)(s); | |
1700 if (cw > 1 && ( | |
1701 #ifdef FEAT_RIGHTLEFT | |
1702 cmdmsg_rl ? msg_col <= 1 : | |
1703 #endif | |
1704 msg_col == Columns - 1)) | |
1705 { | |
1706 /* Doesn't fit, print a highlighted '>' to fill it up. */ | |
1707 msg_screen_putchar('>', hl_attr(HLF_AT)); | |
1708 return s; | |
1709 } | |
1710 | |
1711 screen_puts_len(s, l, msg_row, msg_col, attr); | |
1712 #ifdef FEAT_RIGHTLEFT | |
1713 if (cmdmsg_rl) | |
1714 { | |
1715 msg_col -= cw; | |
1716 if (msg_col == 0) | |
1717 { | |
1718 msg_col = Columns; | |
1719 ++msg_row; | |
1720 } | |
1721 } | |
1722 else | |
1723 #endif | |
1724 { | |
1725 msg_col += cw; | |
1726 if (msg_col >= Columns) | |
1727 { | |
1728 msg_col = 0; | |
1729 ++msg_row; | |
1730 } | |
1731 } | |
1732 return s + l; | |
1733 } | |
1734 #endif | |
1735 | |
1736 /* | |
1737 * Output a string to the screen at position msg_row, msg_col. | |
1738 * Update msg_row and msg_col for the next message. | |
1739 */ | |
1740 void | |
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1741 msg_puts(char_u *s) |
7 | 1742 { |
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1743 msg_puts_attr(s, 0); |
7 | 1744 } |
1745 | |
1746 void | |
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1747 msg_puts_title( |
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1748 char_u *s) |
7 | 1749 { |
1750 msg_puts_attr(s, hl_attr(HLF_T)); | |
1751 } | |
1752 | |
1753 /* | |
1754 * Show a message in such a way that it always fits in the line. Cut out a | |
1755 * part in the middle and replace it with "..." when necessary. | |
1756 * Does not handle multi-byte characters! | |
1757 */ | |
1758 void | |
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1759 msg_puts_long_attr(char_u *longstr, int attr) |
7 | 1760 { |
714 | 1761 msg_puts_long_len_attr(longstr, (int)STRLEN(longstr), attr); |
7 | 1762 } |
1763 | |
1764 void | |
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1765 msg_puts_long_len_attr(char_u *longstr, int len, int attr) |
7 | 1766 { |
1767 int slen = len; | |
1768 int room; | |
1769 | |
1770 room = Columns - msg_col; | |
1771 if (len > room && room >= 20) | |
1772 { | |
1773 slen = (room - 3) / 2; | |
1774 msg_outtrans_len_attr(longstr, slen, attr); | |
1775 msg_puts_attr((char_u *)"...", hl_attr(HLF_8)); | |
1776 } | |
1777 msg_outtrans_len_attr(longstr + len - slen, slen, attr); | |
1778 } | |
1779 | |
1780 /* | |
1781 * Basic function for writing a message with highlight attributes. | |
1782 */ | |
1783 void | |
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1784 msg_puts_attr(char_u *s, int attr) |
7 | 1785 { |
1786 msg_puts_attr_len(s, -1, attr); | |
1787 } | |
1788 | |
1789 /* | |
1790 * Like msg_puts_attr(), but with a maximum length "maxlen" (in bytes). | |
1791 * When "maxlen" is -1 there is no maximum length. | |
1792 * When "maxlen" is >= 0 the message is not put in the history. | |
1793 */ | |
1794 static void | |
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1795 msg_puts_attr_len(char_u *str, int maxlen, int attr) |
7 | 1796 { |
1797 /* | |
1798 * If redirection is on, also write to the redirection file. | |
1799 */ | |
446 | 1800 redir_write(str, maxlen); |
7 | 1801 |
1802 /* | |
1803 * Don't print anything when using ":silent cmd". | |
1804 */ | |
1805 if (msg_silent != 0) | |
1806 return; | |
1807 | |
1808 /* if MSG_HIST flag set, add message to history */ | |
1809 if ((attr & MSG_HIST) && maxlen < 0) | |
1810 { | |
446 | 1811 add_msg_hist(str, -1, attr); |
7 | 1812 attr &= ~MSG_HIST; |
1813 } | |
1814 | |
1815 /* | |
1816 * When writing something to the screen after it has scrolled, requires a | |
1817 * wait-return prompt later. Needed when scrolling, resetting | |
1818 * need_wait_return after some prompt, and then outputting something | |
1819 * without scrolling | |
1820 */ | |
539 | 1821 if (msg_scrolled != 0 && !msg_scrolled_ign) |
7 | 1822 need_wait_return = TRUE; |
1823 msg_didany = TRUE; /* remember that something was outputted */ | |
1824 | |
1825 /* | |
1826 * If there is no valid screen, use fprintf so we can see error messages. | |
1827 * If termcap is not active, we may be writing in an alternate console | |
1828 * window, cursor positioning may not work correctly (window size may be | |
1829 * different, e.g. for Win32 console) or we just don't know where the | |
1830 * cursor is. | |
1831 */ | |
1832 if (msg_use_printf()) | |
446 | 1833 msg_puts_printf(str, maxlen); |
1834 else | |
1835 msg_puts_display(str, maxlen, attr, FALSE); | |
1836 } | |
1837 | |
1838 /* | |
1839 * The display part of msg_puts_attr_len(). | |
1840 * May be called recursively to display scroll-back text. | |
1841 */ | |
1842 static void | |
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1843 msg_puts_display( |
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1844 char_u *str, |
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1845 int maxlen, |
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1846 int attr, |
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1847 int recurse) |
446 | 1848 { |
1849 char_u *s = str; | |
1850 char_u *t_s = str; /* string from "t_s" to "s" is still todo */ | |
1851 int t_col = 0; /* screen cells todo, 0 when "t_s" not used */ | |
1852 #ifdef FEAT_MBYTE | |
1853 int l; | |
1854 int cw; | |
7 | 1855 #endif |
446 | 1856 char_u *sb_str = str; |
1857 int sb_col = msg_col; | |
1858 int wrap; | |
1381 | 1859 int did_last_char; |
7 | 1860 |
1861 did_wait_return = FALSE; | |
1339 | 1862 while ((maxlen < 0 || (int)(s - str) < maxlen) && *s != NUL) |
7 | 1863 { |
1864 /* | |
446 | 1865 * We are at the end of the screen line when: |
1866 * - When outputting a newline. | |
1867 * - When outputting a character in the last column. | |
7 | 1868 */ |
446 | 1869 if (!recurse && msg_row >= Rows - 1 && (*s == '\n' || ( |
7 | 1870 #ifdef FEAT_RIGHTLEFT |
1871 cmdmsg_rl | |
1872 ? ( | |
1873 msg_col <= 1 | |
1874 || (*s == TAB && msg_col <= 7) | |
1875 # ifdef FEAT_MBYTE | |
1876 || (has_mbyte && (*mb_ptr2cells)(s) > 1 && msg_col <= 2) | |
1877 # endif | |
1878 ) | |
1879 : | |
1880 #endif | |
1881 (msg_col + t_col >= Columns - 1 | |
1882 || (*s == TAB && msg_col + t_col >= ((Columns - 1) & ~7)) | |
1883 # ifdef FEAT_MBYTE | |
1884 || (has_mbyte && (*mb_ptr2cells)(s) > 1 | |
1885 && msg_col + t_col >= Columns - 2) | |
1886 # endif | |
1887 )))) | |
1888 { | |
446 | 1889 /* |
1890 * The screen is scrolled up when at the last row (some terminals | |
1891 * scroll automatically, some don't. To avoid problems we scroll | |
1892 * ourselves). | |
1893 */ | |
7 | 1894 if (t_col > 0) |
1895 /* output postponed text */ | |
446 | 1896 t_puts(&t_col, t_s, s, attr); |
7 | 1897 |
1342 | 1898 /* When no more prompt and no more room, truncate here */ |
7 | 1899 if (msg_no_more && lines_left == 0) |
1900 break; | |
446 | 1901 |
1902 /* Scroll the screen up one line. */ | |
1903 msg_scroll_up(); | |
7 | 1904 |
1905 msg_row = Rows - 2; | |
1906 if (msg_col >= Columns) /* can happen after screen resize */ | |
1907 msg_col = Columns - 1; | |
1908 | |
446 | 1909 /* Display char in last column before showing more-prompt. */ |
1910 if (*s >= ' ' | |
1911 #ifdef FEAT_RIGHTLEFT | |
1912 && !cmdmsg_rl | |
1913 #endif | |
1914 ) | |
1915 { | |
1916 #ifdef FEAT_MBYTE | |
1917 if (has_mbyte) | |
1918 { | |
1919 if (enc_utf8 && maxlen >= 0) | |
1920 /* avoid including composing chars after the end */ | |
474 | 1921 l = utfc_ptr2len_len(s, (int)((str + maxlen) - s)); |
446 | 1922 else |
474 | 1923 l = (*mb_ptr2len)(s); |
446 | 1924 s = screen_puts_mbyte(s, l, attr); |
1925 } | |
1926 else | |
1927 #endif | |
1928 msg_screen_putchar(*s++, attr); | |
1381 | 1929 did_last_char = TRUE; |
446 | 1930 } |
1381 | 1931 else |
1932 did_last_char = FALSE; | |
446 | 1933 |
1934 if (p_more) | |
1935 /* store text for scrolling back */ | |
1936 store_sb_text(&sb_str, s, attr, &sb_col, TRUE); | |
1937 | |
539 | 1938 inc_msg_scrolled(); |
446 | 1939 need_wait_return = TRUE; /* may need wait_return in main() */ |
7 | 1940 if (must_redraw < VALID) |
1941 must_redraw = VALID; | |
1942 redraw_cmdline = TRUE; | |
1943 if (cmdline_row > 0 && !exmode_active) | |
1944 --cmdline_row; | |
1945 | |
1946 /* | |
446 | 1947 * If screen is completely filled and 'more' is set then wait |
1948 * for a character. | |
7 | 1949 */ |
1342 | 1950 if (lines_left > 0) |
1951 --lines_left; | |
957 | 1952 if (p_more && lines_left == 0 && State != HITRETURN |
7 | 1953 && !msg_no_more && !exmode_active) |
1954 { | |
1955 #ifdef FEAT_CON_DIALOG | |
446 | 1956 if (do_more_prompt(NUL)) |
1957 s = confirm_msg_tail; | |
1958 #else | |
1959 (void)do_more_prompt(NUL); | |
7 | 1960 #endif |
1961 if (quit_more) | |
446 | 1962 return; |
7 | 1963 } |
539 | 1964 |
1965 /* When we displayed a char in last column need to check if there | |
1966 * is still more. */ | |
1381 | 1967 if (did_last_char) |
539 | 1968 continue; |
7 | 1969 } |
1970 | |
446 | 1971 wrap = *s == '\n' |
7 | 1972 || msg_col + t_col >= Columns |
1973 #ifdef FEAT_MBYTE | |
1974 || (has_mbyte && (*mb_ptr2cells)(s) > 1 | |
1975 && msg_col + t_col >= Columns - 1) | |
1976 #endif | |
446 | 1977 ; |
1978 if (t_col > 0 && (wrap || *s == '\r' || *s == '\b' | |
1979 || *s == '\t' || *s == BELL)) | |
7 | 1980 /* output any postponed text */ |
446 | 1981 t_puts(&t_col, t_s, s, attr); |
1982 | |
1983 if (wrap && p_more && !recurse) | |
1984 /* store text for scrolling back */ | |
1985 store_sb_text(&sb_str, s, attr, &sb_col, TRUE); | |
7 | 1986 |
1987 if (*s == '\n') /* go to next line */ | |
1988 { | |
1989 msg_didout = FALSE; /* remember that line is empty */ | |
474 | 1990 #ifdef FEAT_RIGHTLEFT |
1991 if (cmdmsg_rl) | |
1992 msg_col = Columns - 1; | |
1993 else | |
1994 #endif | |
1995 msg_col = 0; | |
7 | 1996 if (++msg_row >= Rows) /* safety check */ |
1997 msg_row = Rows - 1; | |
1998 } | |
1999 else if (*s == '\r') /* go to column 0 */ | |
2000 { | |
2001 msg_col = 0; | |
2002 } | |
2003 else if (*s == '\b') /* go to previous char */ | |
2004 { | |
2005 if (msg_col) | |
2006 --msg_col; | |
2007 } | |
446 | 2008 else if (*s == TAB) /* translate Tab into spaces */ |
7 | 2009 { |
2010 do | |
2011 msg_screen_putchar(' ', attr); | |
2012 while (msg_col & 7); | |
2013 } | |
6949 | 2014 else if (*s == BELL) /* beep (from ":sh") */ |
2015 vim_beep(BO_SH); | |
7 | 2016 else |
2017 { | |
2018 #ifdef FEAT_MBYTE | |
2019 if (has_mbyte) | |
2020 { | |
2021 cw = (*mb_ptr2cells)(s); | |
2022 if (enc_utf8 && maxlen >= 0) | |
2023 /* avoid including composing chars after the end */ | |
474 | 2024 l = utfc_ptr2len_len(s, (int)((str + maxlen) - s)); |
7 | 2025 else |
474 | 2026 l = (*mb_ptr2len)(s); |
7 | 2027 } |
2028 else | |
2029 { | |
2030 cw = 1; | |
2031 l = 1; | |
2032 } | |
2033 #endif | |
2034 /* When drawing from right to left or when a double-wide character | |
2035 * doesn't fit, draw a single character here. Otherwise collect | |
2036 * characters and draw them all at once later. */ | |
2037 #if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE) | |
2038 if ( | |
2039 # ifdef FEAT_RIGHTLEFT | |
2040 cmdmsg_rl | |
2041 # ifdef FEAT_MBYTE | |
2042 || | |
2043 # endif | |
2044 # endif | |
2045 # ifdef FEAT_MBYTE | |
2046 (cw > 1 && msg_col + t_col >= Columns - 1) | |
2047 # endif | |
2048 ) | |
2049 { | |
2050 # ifdef FEAT_MBYTE | |
2051 if (l > 1) | |
2052 s = screen_puts_mbyte(s, l, attr) - 1; | |
2053 else | |
2054 # endif | |
2055 msg_screen_putchar(*s, attr); | |
2056 } | |
2057 else | |
2058 #endif | |
2059 { | |
2060 /* postpone this character until later */ | |
2061 if (t_col == 0) | |
2062 t_s = s; | |
2063 #ifdef FEAT_MBYTE | |
2064 t_col += cw; | |
2065 s += l - 1; | |
2066 #else | |
2067 ++t_col; | |
2068 #endif | |
2069 } | |
2070 } | |
2071 ++s; | |
2072 } | |
2073 | |
2074 /* output any postponed text */ | |
2075 if (t_col > 0) | |
446 | 2076 t_puts(&t_col, t_s, s, attr); |
2077 if (p_more && !recurse) | |
2078 store_sb_text(&sb_str, s, attr, &sb_col, FALSE); | |
7 | 2079 |
2080 msg_check(); | |
2081 } | |
2082 | |
2083 /* | |
446 | 2084 * Scroll the screen up one line for displaying the next message line. |
2085 */ | |
2086 static void | |
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2087 msg_scroll_up(void) |
446 | 2088 { |
2089 #ifdef FEAT_GUI | |
2090 /* Remove the cursor before scrolling, ScreenLines[] is going | |
2091 * to become invalid. */ | |
2092 if (gui.in_use) | |
2093 gui_undraw_cursor(); | |
2094 #endif | |
2095 /* scrolling up always works */ | |
2096 screen_del_lines(0, 0, 1, (int)Rows, TRUE, NULL); | |
2097 | |
2098 if (!can_clear((char_u *)" ")) | |
2099 { | |
2100 /* Scrolling up doesn't result in the right background. Set the | |
2101 * background here. It's not efficient, but avoids that we have to do | |
2102 * it all over the code. */ | |
2103 screen_fill((int)Rows - 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2104 | |
2105 /* Also clear the last char of the last but one line if it was not | |
2106 * cleared before to avoid a scroll-up. */ | |
2107 if (ScreenAttrs[LineOffset[Rows - 2] + Columns - 1] == (sattr_T)-1) | |
2108 screen_fill((int)Rows - 2, (int)Rows - 1, | |
2109 (int)Columns - 1, (int)Columns, ' ', ' ', 0); | |
2110 } | |
2111 } | |
2112 | |
2113 /* | |
539 | 2114 * Increment "msg_scrolled". |
2115 */ | |
2116 static void | |
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2117 inc_msg_scrolled(void) |
539 | 2118 { |
2119 #ifdef FEAT_EVAL | |
2120 if (*get_vim_var_str(VV_SCROLLSTART) == NUL) | |
2121 { | |
2122 char_u *p = sourcing_name; | |
2123 char_u *tofree = NULL; | |
2124 int len; | |
2125 | |
2126 /* v:scrollstart is empty, set it to the script/function name and line | |
2127 * number */ | |
2128 if (p == NULL) | |
2129 p = (char_u *)_("Unknown"); | |
2130 else | |
2131 { | |
835 | 2132 len = (int)STRLEN(p) + 40; |
539 | 2133 tofree = alloc(len); |
2134 if (tofree != NULL) | |
2135 { | |
2136 vim_snprintf((char *)tofree, len, _("%s line %ld"), | |
2137 p, (long)sourcing_lnum); | |
2138 p = tofree; | |
2139 } | |
2140 } | |
2141 set_vim_var_string(VV_SCROLLSTART, p, -1); | |
2142 vim_free(tofree); | |
2143 } | |
2144 #endif | |
2145 ++msg_scrolled; | |
2146 } | |
2147 | |
2148 /* | |
446 | 2149 * To be able to scroll back at the "more" and "hit-enter" prompts we need to |
2150 * store the displayed text and remember where screen lines start. | |
2151 */ | |
2152 typedef struct msgchunk_S msgchunk_T; | |
2153 struct msgchunk_S | |
2154 { | |
2155 msgchunk_T *sb_next; | |
2156 msgchunk_T *sb_prev; | |
2157 char sb_eol; /* TRUE when line ends after this text */ | |
2158 int sb_msg_col; /* column in which text starts */ | |
2159 int sb_attr; /* text attributes */ | |
2160 char_u sb_text[1]; /* text to be displayed, actually longer */ | |
2161 }; | |
2162 | |
2163 static msgchunk_T *last_msgchunk = NULL; /* last displayed text */ | |
2164 | |
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2165 static msgchunk_T *msg_sb_start(msgchunk_T *mps); |
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2166 static msgchunk_T *disp_sb_line(int row, msgchunk_T *smp); |
446 | 2167 |
447 | 2168 static int do_clear_sb_text = FALSE; /* clear text on next msg */ |
2169 | |
446 | 2170 /* |
2171 * Store part of a printed message for displaying when scrolling back. | |
2172 */ | |
2173 static void | |
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2174 store_sb_text( |
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2175 char_u **sb_str, /* start of string */ |
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2176 char_u *s, /* just after string */ |
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2177 int attr, |
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2178 int *sb_col, |
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2179 int finish) /* line ends */ |
446 | 2180 { |
2181 msgchunk_T *mp; | |
2182 | |
447 | 2183 if (do_clear_sb_text) |
2184 { | |
2185 clear_sb_text(); | |
2186 do_clear_sb_text = FALSE; | |
2187 } | |
2188 | |
446 | 2189 if (s > *sb_str) |
2190 { | |
2191 mp = (msgchunk_T *)alloc((int)(sizeof(msgchunk_T) + (s - *sb_str))); | |
2192 if (mp != NULL) | |
2193 { | |
2194 mp->sb_eol = finish; | |
2195 mp->sb_msg_col = *sb_col; | |
2196 mp->sb_attr = attr; | |
2197 vim_strncpy(mp->sb_text, *sb_str, s - *sb_str); | |
2198 | |
2199 if (last_msgchunk == NULL) | |
2200 { | |
2201 last_msgchunk = mp; | |
2202 mp->sb_prev = NULL; | |
2203 } | |
2204 else | |
2205 { | |
2206 mp->sb_prev = last_msgchunk; | |
2207 last_msgchunk->sb_next = mp; | |
2208 last_msgchunk = mp; | |
2209 } | |
2210 mp->sb_next = NULL; | |
2211 } | |
2212 } | |
2213 else if (finish && last_msgchunk != NULL) | |
2214 last_msgchunk->sb_eol = TRUE; | |
2215 | |
2216 *sb_str = s; | |
2217 *sb_col = 0; | |
2218 } | |
2219 | |
2220 /* | |
447 | 2221 * Finished showing messages, clear the scroll-back text on the next message. |
2222 */ | |
2223 void | |
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2224 may_clear_sb_text(void) |
447 | 2225 { |
2226 do_clear_sb_text = TRUE; | |
2227 } | |
2228 | |
2229 /* | |
446 | 2230 * Clear any text remembered for scrolling back. |
2231 * Called when redrawing the screen. | |
2232 */ | |
2233 void | |
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2234 clear_sb_text(void) |
446 | 2235 { |
2236 msgchunk_T *mp; | |
2237 | |
2238 while (last_msgchunk != NULL) | |
2239 { | |
2240 mp = last_msgchunk->sb_prev; | |
2241 vim_free(last_msgchunk); | |
2242 last_msgchunk = mp; | |
2243 } | |
2244 } | |
2245 | |
2246 /* | |
447 | 2247 * "g<" command. |
2248 */ | |
2249 void | |
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2250 show_sb_text(void) |
447 | 2251 { |
2252 msgchunk_T *mp; | |
2253 | |
1342 | 2254 /* Only show something if there is more than one line, otherwise it looks |
447 | 2255 * weird, typing a command without output results in one line. */ |
2256 mp = msg_sb_start(last_msgchunk); | |
2257 if (mp == NULL || mp->sb_prev == NULL) | |
6949 | 2258 vim_beep(BO_MESS); |
447 | 2259 else |
2260 { | |
2261 do_more_prompt('G'); | |
2262 wait_return(FALSE); | |
2263 } | |
2264 } | |
2265 | |
2266 /* | |
446 | 2267 * Move to the start of screen line in already displayed text. |
2268 */ | |
2269 static msgchunk_T * | |
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2270 msg_sb_start(msgchunk_T *mps) |
446 | 2271 { |
2272 msgchunk_T *mp = mps; | |
2273 | |
2274 while (mp != NULL && mp->sb_prev != NULL && !mp->sb_prev->sb_eol) | |
2275 mp = mp->sb_prev; | |
2276 return mp; | |
2277 } | |
2278 | |
2279 /* | |
3435 | 2280 * Mark the last message chunk as finishing the line. |
2281 */ | |
2282 void | |
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2283 msg_sb_eol(void) |
3435 | 2284 { |
2285 if (last_msgchunk != NULL) | |
2286 last_msgchunk->sb_eol = TRUE; | |
2287 } | |
2288 | |
2289 /* | |
446 | 2290 * Display a screen line from previously displayed text at row "row". |
2291 * Returns a pointer to the text for the next line (can be NULL). | |
2292 */ | |
2293 static msgchunk_T * | |
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2294 disp_sb_line(int row, msgchunk_T *smp) |
446 | 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 | |
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2318 t_puts( |
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2319 int *t_col, |
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2320 char_u *t_s, |
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2321 char_u *s, |
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2322 int attr) |
7 | 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 | |
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2351 msg_use_printf(void) |
7 | 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 | |
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2365 msg_puts_printf(char_u *str, int maxlen) |
446 | 2366 { |
2367 char_u *s = str; | |
2368 char_u buf[4]; | |
2369 char_u *p; | |
2370 | |
2371 #ifdef WIN3264 | |
2372 if (!(silent_mode && p_verbose == 0)) | |
2373 mch_settmode(TMODE_COOK); /* handle '\r' and '\n' correctly */ | |
2374 #endif | |
2375 while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) | |
2376 { | |
2377 if (!(silent_mode && p_verbose == 0)) | |
2378 { | |
2379 /* NL --> CR NL translation (for Unix, not for "--version") */ | |
2380 /* NL --> CR translation (for Mac) */ | |
2381 p = &buf[0]; | |
2382 if (*s == '\n' && !info_message) | |
2383 *p++ = '\r'; | |
2384 #if defined(USE_CR) && !defined(MACOS_X_UNIX) | |
2385 else | |
2386 #endif | |
2387 *p++ = *s; | |
2388 *p = '\0'; | |
2389 if (info_message) /* informative message, not an error */ | |
2390 mch_msg((char *)buf); | |
2391 else | |
2392 mch_errmsg((char *)buf); | |
2393 } | |
2394 | |
2395 /* primitive way to compute the current column */ | |
2396 #ifdef FEAT_RIGHTLEFT | |
2397 if (cmdmsg_rl) | |
2398 { | |
2399 if (*s == '\r' || *s == '\n') | |
2400 msg_col = Columns - 1; | |
2401 else | |
2402 --msg_col; | |
2403 } | |
2404 else | |
2405 #endif | |
2406 { | |
2407 if (*s == '\r' || *s == '\n') | |
2408 msg_col = 0; | |
2409 else | |
2410 ++msg_col; | |
2411 } | |
2412 ++s; | |
2413 } | |
2414 msg_didout = TRUE; /* assume that line is not empty */ | |
2415 | |
2416 #ifdef WIN3264 | |
2417 if (!(silent_mode && p_verbose == 0)) | |
2418 mch_settmode(TMODE_RAW); | |
2419 #endif | |
2420 } | |
2421 | |
2422 /* | |
2423 * Show the more-prompt and handle the user response. | |
2424 * This takes care of scrolling back and displaying previously displayed text. | |
447 | 2425 * When at hit-enter prompt "typed_char" is the already typed character, |
2426 * otherwise it's NUL. | |
446 | 2427 * Returns TRUE when jumping ahead to "confirm_msg_tail". |
2428 */ | |
2429 static int | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2430 do_more_prompt(int typed_char) |
446 | 2431 { |
2432 int used_typed_char = typed_char; | |
2433 int oldState = State; | |
2434 int c; | |
2435 #ifdef FEAT_CON_DIALOG | |
2436 int retval = FALSE; | |
2437 #endif | |
3263 | 2438 int toscroll; |
446 | 2439 msgchunk_T *mp_last = NULL; |
2440 msgchunk_T *mp; | |
2441 int i; | |
2442 | |
447 | 2443 if (typed_char == 'G') |
2444 { | |
2445 /* "g<": Find first line on the last page. */ | |
2446 mp_last = msg_sb_start(last_msgchunk); | |
2447 for (i = 0; i < Rows - 2 && mp_last != NULL | |
2448 && mp_last->sb_prev != NULL; ++i) | |
2449 mp_last = msg_sb_start(mp_last->sb_prev); | |
2450 } | |
2451 | |
446 | 2452 State = ASKMORE; |
2453 #ifdef FEAT_MOUSE | |
2454 setmouse(); | |
2455 #endif | |
447 | 2456 if (typed_char == NUL) |
2457 msg_moremsg(FALSE); | |
446 | 2458 for (;;) |
2459 { | |
2460 /* | |
2461 * Get a typed character directly from the user. | |
2462 */ | |
2463 if (used_typed_char != NUL) | |
2464 { | |
2465 c = used_typed_char; /* was typed at hit-enter prompt */ | |
2466 used_typed_char = NUL; | |
2467 } | |
2468 else | |
2469 c = get_keystroke(); | |
2470 | |
2471 #if defined(FEAT_MENU) && defined(FEAT_GUI) | |
2472 if (c == K_MENU) | |
2473 { | |
2474 int idx = get_menu_index(current_menu, ASKMORE); | |
2475 | |
2476 /* Used a menu. If it starts with CTRL-Y, it must | |
2477 * be a "Copy" for the clipboard. Otherwise | |
2478 * assume that we end */ | |
2479 if (idx == MENU_INDEX_INVALID) | |
2480 continue; | |
2481 c = *current_menu->strings[idx]; | |
2482 if (c != NUL && current_menu->strings[idx][1] != NUL) | |
2483 ins_typebuf(current_menu->strings[idx] + 1, | |
2484 current_menu->noremap[idx], 0, TRUE, | |
2485 current_menu->silent[idx]); | |
2486 } | |
2487 #endif | |
2488 | |
3263 | 2489 toscroll = 0; |
446 | 2490 switch (c) |
2491 { | |
2492 case BS: /* scroll one line back */ | |
2493 case K_BS: | |
2494 case 'k': | |
2495 case K_UP: | |
3263 | 2496 toscroll = -1; |
446 | 2497 break; |
2498 | |
2499 case CAR: /* one extra line */ | |
2500 case NL: | |
2501 case 'j': | |
2502 case K_DOWN: | |
3263 | 2503 toscroll = 1; |
446 | 2504 break; |
2505 | |
2506 case 'u': /* Up half a page */ | |
3263 | 2507 toscroll = -(Rows / 2); |
446 | 2508 break; |
2509 | |
2510 case 'd': /* Down half a page */ | |
3263 | 2511 toscroll = Rows / 2; |
446 | 2512 break; |
2513 | |
2514 case 'b': /* one page back */ | |
1820 | 2515 case K_PAGEUP: |
3263 | 2516 toscroll = -(Rows - 1); |
446 | 2517 break; |
2518 | |
2519 case ' ': /* one extra page */ | |
1820 | 2520 case 'f': |
446 | 2521 case K_PAGEDOWN: |
2522 case K_LEFTMOUSE: | |
3263 | 2523 toscroll = Rows - 1; |
446 | 2524 break; |
2525 | |
447 | 2526 case 'g': /* all the way back to the start */ |
3263 | 2527 toscroll = -999999; |
447 | 2528 break; |
2529 | |
2530 case 'G': /* all the way to the end */ | |
3263 | 2531 toscroll = 999999; |
447 | 2532 lines_left = 999999; |
2533 break; | |
2534 | |
446 | 2535 case ':': /* start new command line */ |
2536 #ifdef FEAT_CON_DIALOG | |
2537 if (!confirm_msg_used) | |
2538 #endif | |
2539 { | |
2540 /* Since got_int is set all typeahead will be flushed, but we | |
2541 * want to keep this ':', remember that in a special way. */ | |
2542 typeahead_noflush(':'); | |
2543 cmdline_row = Rows - 1; /* put ':' on this line */ | |
2544 skip_redraw = TRUE; /* skip redraw once */ | |
2545 need_wait_return = FALSE; /* don't wait in main() */ | |
2546 } | |
2547 /*FALLTHROUGH*/ | |
2548 case 'q': /* quit */ | |
2549 case Ctrl_C: | |
2550 case ESC: | |
2551 #ifdef FEAT_CON_DIALOG | |
2552 if (confirm_msg_used) | |
2553 { | |
2554 /* Jump to the choices of the dialog. */ | |
2555 retval = TRUE; | |
2556 } | |
2557 else | |
2558 #endif | |
2559 { | |
2560 got_int = TRUE; | |
2561 quit_more = TRUE; | |
2562 } | |
1829 | 2563 /* When there is some more output (wrapping line) display that |
2564 * without another prompt. */ | |
2565 lines_left = Rows - 1; | |
446 | 2566 break; |
2567 | |
2568 #ifdef FEAT_CLIPBOARD | |
2569 case Ctrl_Y: | |
2570 /* Strange way to allow copying (yanking) a modeless | |
2571 * selection at the more prompt. Use CTRL-Y, | |
2572 * because the same is used in Cmdline-mode and at the | |
2573 * hit-enter prompt. However, scrolling one line up | |
2574 * might be expected... */ | |
2575 if (clip_star.state == SELECT_DONE) | |
2576 clip_copy_modeless_selection(TRUE); | |
2577 continue; | |
2578 #endif | |
2579 default: /* no valid response */ | |
2580 msg_moremsg(TRUE); | |
2581 continue; | |
2582 } | |
2583 | |
3263 | 2584 if (toscroll != 0) |
446 | 2585 { |
3263 | 2586 if (toscroll < 0) |
446 | 2587 { |
2588 /* go to start of last line */ | |
2589 if (mp_last == NULL) | |
2590 mp = msg_sb_start(last_msgchunk); | |
2591 else if (mp_last->sb_prev != NULL) | |
2592 mp = msg_sb_start(mp_last->sb_prev); | |
2593 else | |
2594 mp = NULL; | |
2595 | |
2596 /* go to start of line at top of the screen */ | |
2597 for (i = 0; i < Rows - 2 && mp != NULL && mp->sb_prev != NULL; | |
2598 ++i) | |
2599 mp = msg_sb_start(mp->sb_prev); | |
2600 | |
2601 if (mp != NULL && mp->sb_prev != NULL) | |
2602 { | |
2603 /* Find line to be displayed at top. */ | |
3263 | 2604 for (i = 0; i > toscroll; --i) |
446 | 2605 { |
2606 if (mp == NULL || mp->sb_prev == NULL) | |
2607 break; | |
2608 mp = msg_sb_start(mp->sb_prev); | |
2609 if (mp_last == NULL) | |
2610 mp_last = msg_sb_start(last_msgchunk); | |
2611 else | |
2612 mp_last = msg_sb_start(mp_last->sb_prev); | |
2613 } | |
2614 | |
3263 | 2615 if (toscroll == -1 && screen_ins_lines(0, 0, 1, |
446 | 2616 (int)Rows, NULL) == OK) |
2617 { | |
447 | 2618 /* display line at top */ |
446 | 2619 (void)disp_sb_line(0, mp); |
2620 } | |
2621 else | |
2622 { | |
447 | 2623 /* redisplay all lines */ |
446 | 2624 screenclear(); |
870 | 2625 for (i = 0; mp != NULL && i < Rows - 1; ++i) |
2626 { | |
446 | 2627 mp = disp_sb_line(i, mp); |
870 | 2628 ++msg_scrolled; |
2629 } | |
446 | 2630 } |
3263 | 2631 toscroll = 0; |
446 | 2632 } |
2633 } | |
2634 else | |
2635 { | |
2636 /* First display any text that we scrolled back. */ | |
3263 | 2637 while (toscroll > 0 && mp_last != NULL) |
446 | 2638 { |
2639 /* scroll up, display line at bottom */ | |
2640 msg_scroll_up(); | |
539 | 2641 inc_msg_scrolled(); |
446 | 2642 screen_fill((int)Rows - 2, (int)Rows - 1, 0, |
2643 (int)Columns, ' ', ' ', 0); | |
2644 mp_last = disp_sb_line((int)Rows - 2, mp_last); | |
3263 | 2645 --toscroll; |
446 | 2646 } |
2647 } | |
2648 | |
3263 | 2649 if (toscroll <= 0) |
446 | 2650 { |
2651 /* displayed the requested text, more prompt again */ | |
447 | 2652 screen_fill((int)Rows - 1, (int)Rows, 0, |
2653 (int)Columns, ' ', ' ', 0); | |
446 | 2654 msg_moremsg(FALSE); |
2655 continue; | |
2656 } | |
2657 | |
2658 /* display more text, return to caller */ | |
3263 | 2659 lines_left = toscroll; |
446 | 2660 } |
2661 | |
2662 break; | |
2663 } | |
2664 | |
2665 /* clear the --more-- message */ | |
2666 screen_fill((int)Rows - 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2667 State = oldState; | |
2668 #ifdef FEAT_MOUSE | |
2669 setmouse(); | |
2670 #endif | |
2671 if (quit_more) | |
2672 { | |
2673 msg_row = Rows - 1; | |
2674 msg_col = 0; | |
2675 } | |
2676 #ifdef FEAT_RIGHTLEFT | |
2677 else if (cmdmsg_rl) | |
2678 msg_col = Columns - 1; | |
2679 #endif | |
2680 | |
2681 #ifdef FEAT_CON_DIALOG | |
2682 return retval; | |
2683 #else | |
2684 return FALSE; | |
2685 #endif | |
2686 } | |
2687 | |
7 | 2688 #if defined(USE_MCH_ERRMSG) || defined(PROTO) |
2689 | |
2690 #ifdef mch_errmsg | |
2691 # undef mch_errmsg | |
2692 #endif | |
2693 #ifdef mch_msg | |
2694 # undef mch_msg | |
2695 #endif | |
2696 | |
2697 /* | |
2698 * Give an error message. To be used when the screen hasn't been initialized | |
2699 * yet. When stderr can't be used, collect error messages until the GUI has | |
2700 * started and they can be displayed in a message box. | |
2701 */ | |
2702 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2703 mch_errmsg(char *str) |
7 | 2704 { |
2705 int len; | |
2706 | |
2707 #if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) | |
2708 /* On Unix use stderr if it's a tty. | |
2709 * When not going to start the GUI also use stderr. | |
2710 * On Mac, when started from Finder, stderr is the console. */ | |
2711 if ( | |
2712 # ifdef UNIX | |
2713 # ifdef MACOS_X_UNIX | |
2714 (isatty(2) && strcmp("/dev/console", ttyname(2)) != 0) | |
2715 # else | |
2716 isatty(2) | |
2717 # endif | |
2718 # ifdef FEAT_GUI | |
2719 || | |
2720 # endif | |
2721 # endif | |
2722 # ifdef FEAT_GUI | |
2723 !(gui.in_use || gui.starting) | |
2724 # endif | |
2725 ) | |
2726 { | |
2727 fprintf(stderr, "%s", str); | |
2728 return; | |
2729 } | |
2730 #endif | |
2731 | |
2732 /* avoid a delay for a message that isn't there */ | |
2733 emsg_on_display = FALSE; | |
2734 | |
2735 len = (int)STRLEN(str) + 1; | |
2736 if (error_ga.ga_growsize == 0) | |
2737 { | |
2738 error_ga.ga_growsize = 80; | |
2739 error_ga.ga_itemsize = 1; | |
2740 } | |
2741 if (ga_grow(&error_ga, len) == OK) | |
2742 { | |
2743 mch_memmove((char_u *)error_ga.ga_data + error_ga.ga_len, | |
2744 (char_u *)str, len); | |
2745 #ifdef UNIX | |
2746 /* remove CR characters, they are displayed */ | |
2747 { | |
2748 char_u *p; | |
2749 | |
2750 p = (char_u *)error_ga.ga_data + error_ga.ga_len; | |
2751 for (;;) | |
2752 { | |
2753 p = vim_strchr(p, '\r'); | |
2754 if (p == NULL) | |
2755 break; | |
2756 *p = ' '; | |
2757 } | |
2758 } | |
2759 #endif | |
2760 --len; /* don't count the NUL at the end */ | |
2761 error_ga.ga_len += len; | |
2762 } | |
2763 } | |
2764 | |
2765 /* | |
2766 * Give a message. To be used when the screen hasn't been initialized yet. | |
2767 * When there is no tty, collect messages until the GUI has started and they | |
2768 * can be displayed in a message box. | |
2769 */ | |
2770 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2771 mch_msg(char *str) |
7 | 2772 { |
2773 #if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) | |
2774 /* On Unix use stdout if we have a tty. This allows "vim -h | more" and | |
2775 * uses mch_errmsg() when started from the desktop. | |
2776 * When not going to start the GUI also use stdout. | |
2777 * On Mac, when started from Finder, stderr is the console. */ | |
2778 if ( | |
2779 # ifdef UNIX | |
2780 # ifdef MACOS_X_UNIX | |
2781 (isatty(2) && strcmp("/dev/console", ttyname(2)) != 0) | |
2782 # else | |
2783 isatty(2) | |
2784 # endif | |
2785 # ifdef FEAT_GUI | |
2786 || | |
2787 # endif | |
2788 # endif | |
2789 # ifdef FEAT_GUI | |
2790 !(gui.in_use || gui.starting) | |
2791 # endif | |
2792 ) | |
2793 { | |
2794 printf("%s", str); | |
2795 return; | |
2796 } | |
2797 # endif | |
2798 mch_errmsg(str); | |
2799 } | |
2800 #endif /* USE_MCH_ERRMSG */ | |
2801 | |
2802 /* | |
2803 * Put a character on the screen at the current message position and advance | |
2804 * to the next position. Only for printable ASCII! | |
2805 */ | |
2806 static void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2807 msg_screen_putchar(int c, int attr) |
7 | 2808 { |
2809 msg_didout = TRUE; /* remember that line is not empty */ | |
2810 screen_putchar(c, msg_row, msg_col, attr); | |
2811 #ifdef FEAT_RIGHTLEFT | |
2812 if (cmdmsg_rl) | |
2813 { | |
2814 if (--msg_col == 0) | |
2815 { | |
2816 msg_col = Columns; | |
2817 ++msg_row; | |
2818 } | |
2819 } | |
2820 else | |
2821 #endif | |
2822 { | |
2823 if (++msg_col >= Columns) | |
2824 { | |
2825 msg_col = 0; | |
2826 ++msg_row; | |
2827 } | |
2828 } | |
2829 } | |
2830 | |
2831 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2832 msg_moremsg(int full) |
7 | 2833 { |
446 | 2834 int attr; |
2835 char_u *s = (char_u *)_("-- More --"); | |
7 | 2836 |
2837 attr = hl_attr(HLF_M); | |
446 | 2838 screen_puts(s, (int)Rows - 1, 0, attr); |
7 | 2839 if (full) |
446 | 2840 screen_puts((char_u *) |
2841 _(" SPACE/d/j: screen/page/line down, b/u/k: up, q: quit "), | |
2842 (int)Rows - 1, vim_strsize(s), attr); | |
7 | 2843 } |
2844 | |
2845 /* | |
2846 * Repeat the message for the current mode: ASKMORE, EXTERNCMD, CONFIRM or | |
2847 * exmode_active. | |
2848 */ | |
2849 void | |
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commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2850 repeat_message(void) |
7 | 2851 { |
2852 if (State == ASKMORE) | |
2853 { | |
2854 msg_moremsg(TRUE); /* display --more-- message again */ | |
2855 msg_row = Rows - 1; | |
2856 } | |
2857 #ifdef FEAT_CON_DIALOG | |
2858 else if (State == CONFIRM) | |
2859 { | |
2860 display_confirm_msg(); /* display ":confirm" message again */ | |
2861 msg_row = Rows - 1; | |
2862 } | |
2863 #endif | |
2864 else if (State == EXTERNCMD) | |
2865 { | |
2866 windgoto(msg_row, msg_col); /* put cursor back */ | |
2867 } | |
2868 else if (State == HITRETURN || State == SETWSIZE) | |
2869 { | |
1445 | 2870 if (msg_row == Rows - 1) |
2871 { | |
2872 /* Avoid drawing the "hit-enter" prompt below the previous one, | |
2873 * overwrite it. Esp. useful when regaining focus and a | |
2874 * FocusGained autocmd exists but didn't draw anything. */ | |
2875 msg_didout = FALSE; | |
2876 msg_col = 0; | |
2877 msg_clr_eos(); | |
2878 } | |
7 | 2879 hit_return_msg(); |
2880 msg_row = Rows - 1; | |
2881 } | |
2882 } | |
2883 | |
2884 /* | |
2885 * msg_check_screen - check if the screen is initialized. | |
2886 * Also check msg_row and msg_col, if they are too big it may cause a crash. | |
2887 * While starting the GUI the terminal codes will be set for the GUI, but the | |
2888 * output goes to the terminal. Don't use the terminal codes then. | |
2889 */ | |
2890 static int | |
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commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2891 msg_check_screen(void) |
7 | 2892 { |
2893 if (!full_screen || !screen_valid(FALSE)) | |
2894 return FALSE; | |
2895 | |
2896 if (msg_row >= Rows) | |
2897 msg_row = Rows - 1; | |
2898 if (msg_col >= Columns) | |
2899 msg_col = Columns - 1; | |
2900 return TRUE; | |
2901 } | |
2902 | |
2903 /* | |
2904 * Clear from current message position to end of screen. | |
2905 * Skip this when ":silent" was used, no need to clear for redirection. | |
2906 */ | |
2907 void | |
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41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2908 msg_clr_eos(void) |
7 | 2909 { |
2910 if (msg_silent == 0) | |
2911 msg_clr_eos_force(); | |
2912 } | |
2913 | |
2914 /* | |
2915 * Clear from current message position to end of screen. | |
2916 * Note: msg_col is not updated, so we remember the end of the message | |
2917 * for msg_check(). | |
2918 */ | |
2919 void | |
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commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2920 msg_clr_eos_force(void) |
7 | 2921 { |
2922 if (msg_use_printf()) | |
2923 { | |
2924 if (full_screen) /* only when termcap codes are valid */ | |
2925 { | |
2926 if (*T_CD) | |
2927 out_str(T_CD); /* clear to end of display */ | |
2928 else if (*T_CE) | |
2929 out_str(T_CE); /* clear to end of line */ | |
2930 } | |
2931 } | |
2932 else | |
2933 { | |
2934 #ifdef FEAT_RIGHTLEFT | |
2935 if (cmdmsg_rl) | |
2936 { | |
2937 screen_fill(msg_row, msg_row + 1, 0, msg_col + 1, ' ', ' ', 0); | |
2938 screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2939 } | |
2940 else | |
2941 #endif | |
2942 { | |
2943 screen_fill(msg_row, msg_row + 1, msg_col, (int)Columns, | |
2944 ' ', ' ', 0); | |
2945 screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2946 } | |
2947 } | |
2948 } | |
2949 | |
2950 /* | |
2951 * Clear the command line. | |
2952 */ | |
2953 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2954 msg_clr_cmdline(void) |
7 | 2955 { |
2956 msg_row = cmdline_row; | |
2957 msg_col = 0; | |
2958 msg_clr_eos_force(); | |
2959 } | |
2960 | |
2961 /* | |
2962 * end putting a message on the screen | |
2963 * call wait_return if the message does not fit in the available space | |
2964 * return TRUE if wait_return not called. | |
2965 */ | |
2966 int | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2967 msg_end(void) |
7 | 2968 { |
2969 /* | |
5245
8c6615a30951
updated for version 7.4a.047
Bram Moolenaar <bram@vim.org>
parents:
4793
diff
changeset
|
2970 * If the string is larger than the window, |
7 | 2971 * or the ruler option is set and we run into it, |
2972 * we have to redraw the window. | |
2973 * Do not do this if we are abandoning the file or editing the command line. | |
2974 */ | |
2975 if (!exiting && need_wait_return && !(State & CMDLINE)) | |
2976 { | |
2977 wait_return(FALSE); | |
2978 return FALSE; | |
2979 } | |
2980 out_flush(); | |
2981 return TRUE; | |
2982 } | |
2983 | |
2984 /* | |
2985 * If the written message runs into the shown command or ruler, we have to | |
2986 * wait for hit-return and redraw the window later. | |
2987 */ | |
2988 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2989 msg_check(void) |
7 | 2990 { |
2991 if (msg_row == Rows - 1 && msg_col >= sc_col) | |
2992 { | |
2993 need_wait_return = TRUE; | |
2994 redraw_cmdline = TRUE; | |
2995 } | |
2996 } | |
2997 | |
2998 /* | |
2999 * May write a string to the redirection file. | |
3000 * When "maxlen" is -1 write the whole string, otherwise up to "maxlen" bytes. | |
3001 */ | |
3002 static void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3003 redir_write(char_u *str, int maxlen) |
7 | 3004 { |
3005 char_u *s = str; | |
3006 static int cur_col = 0; | |
3007 | |
291 | 3008 /* Don't do anything for displaying prompts and the like. */ |
3009 if (redir_off) | |
3010 return; | |
3011 | |
3072 | 3012 /* If 'verbosefile' is set prepare for writing in that file. */ |
3013 if (*p_vfile != NUL && verbose_fd == NULL) | |
3014 verbose_open(); | |
291 | 3015 |
1854 | 3016 if (redirecting()) |
7 | 3017 { |
3018 /* If the string doesn't start with CR or NL, go to msg_col */ | |
3019 if (*s != '\n' && *s != '\r') | |
3020 { | |
3021 while (cur_col < msg_col) | |
3022 { | |
3023 #ifdef FEAT_EVAL | |
3024 if (redir_reg) | |
3025 write_reg_contents(redir_reg, (char_u *)" ", -1, TRUE); | |
167 | 3026 else if (redir_vname) |
3027 var_redir_str((char_u *)" ", -1); | |
3072 | 3028 else |
7 | 3029 #endif |
3072 | 3030 if (redir_fd != NULL) |
7 | 3031 fputs(" ", redir_fd); |
3072 | 3032 if (verbose_fd != NULL) |
3033 fputs(" ", verbose_fd); | |
7 | 3034 ++cur_col; |
3035 } | |
3036 } | |
3037 | |
3038 #ifdef FEAT_EVAL | |
3039 if (redir_reg) | |
3040 write_reg_contents(redir_reg, s, maxlen, TRUE); | |
167 | 3041 if (redir_vname) |
3042 var_redir_str(s, maxlen); | |
7 | 3043 #endif |
3044 | |
3072 | 3045 /* Write and adjust the current column. */ |
7 | 3046 while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) |
3047 { | |
3048 #ifdef FEAT_EVAL | |
3072 | 3049 if (!redir_reg && !redir_vname) |
7 | 3050 #endif |
3072 | 3051 if (redir_fd != NULL) |
3052 putc(*s, redir_fd); | |
3053 if (verbose_fd != NULL) | |
3054 putc(*s, verbose_fd); | |
7 | 3055 if (*s == '\r' || *s == '\n') |
3056 cur_col = 0; | |
3057 else if (*s == '\t') | |
3058 cur_col += (8 - cur_col % 8); | |
3059 else | |
3060 ++cur_col; | |
3061 ++s; | |
3062 } | |
3063 | |
3064 if (msg_silent != 0) /* should update msg_col */ | |
3065 msg_col = cur_col; | |
3066 } | |
3067 } | |
3068 | |
1854 | 3069 int |
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parents:
7803
diff
changeset
|
3070 redirecting(void) |
1854 | 3071 { |
3072 | 3072 return redir_fd != NULL || *p_vfile != NUL |
1854 | 3073 #ifdef FEAT_EVAL |
3074 || redir_reg || redir_vname | |
3075 #endif | |
3076 ; | |
3077 } | |
3078 | |
7 | 3079 /* |
1189 | 3080 * Before giving verbose message. |
291 | 3081 * Must always be called paired with verbose_leave()! |
3082 */ | |
3083 void | |
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parents:
7803
diff
changeset
|
3084 verbose_enter(void) |
291 | 3085 { |
3086 if (*p_vfile != NUL) | |
3087 ++msg_silent; | |
3088 } | |
3089 | |
3090 /* | |
3091 * After giving verbose message. | |
3092 * Must always be called paired with verbose_enter()! | |
3093 */ | |
3094 void | |
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parents:
7803
diff
changeset
|
3095 verbose_leave(void) |
291 | 3096 { |
3097 if (*p_vfile != NUL) | |
3098 if (--msg_silent < 0) | |
3099 msg_silent = 0; | |
3100 } | |
3101 | |
3102 /* | |
3103 * Like verbose_enter() and set msg_scroll when displaying the message. | |
3104 */ | |
3105 void | |
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parents:
7803
diff
changeset
|
3106 verbose_enter_scroll(void) |
291 | 3107 { |
3108 if (*p_vfile != NUL) | |
3109 ++msg_silent; | |
3110 else | |
3111 /* always scroll up, don't overwrite */ | |
3112 msg_scroll = TRUE; | |
3113 } | |
3114 | |
3115 /* | |
3116 * Like verbose_leave() and set cmdline_row when displaying the message. | |
3117 */ | |
3118 void | |
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parents:
7803
diff
changeset
|
3119 verbose_leave_scroll(void) |
291 | 3120 { |
3121 if (*p_vfile != NUL) | |
3122 { | |
3123 if (--msg_silent < 0) | |
3124 msg_silent = 0; | |
3125 } | |
3126 else | |
3127 cmdline_row = msg_row; | |
3128 } | |
3129 | |
3130 /* | |
3131 * Called when 'verbosefile' is set: stop writing to the file. | |
3132 */ | |
3133 void | |
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parents:
7803
diff
changeset
|
3134 verbose_stop(void) |
291 | 3135 { |
3136 if (verbose_fd != NULL) | |
3137 { | |
3138 fclose(verbose_fd); | |
3139 verbose_fd = NULL; | |
3140 } | |
3141 verbose_did_open = FALSE; | |
3142 } | |
3143 | |
3144 /* | |
3145 * Open the file 'verbosefile'. | |
3146 * Return FAIL or OK. | |
3147 */ | |
3148 int | |
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parents:
7803
diff
changeset
|
3149 verbose_open(void) |
291 | 3150 { |
3151 if (verbose_fd == NULL && !verbose_did_open) | |
3152 { | |
3153 /* Only give the error message once. */ | |
3154 verbose_did_open = TRUE; | |
3155 | |
531 | 3156 verbose_fd = mch_fopen((char *)p_vfile, "a"); |
291 | 3157 if (verbose_fd == NULL) |
3158 { | |
3159 EMSG2(_(e_notopen), p_vfile); | |
3160 return FAIL; | |
3161 } | |
3162 } | |
3163 return OK; | |
3164 } | |
3165 | |
3166 /* | |
7 | 3167 * Give a warning message (for searching). |
3168 * Use 'w' highlighting and may repeat the message after redrawing | |
3169 */ | |
3170 void | |
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parents:
7803
diff
changeset
|
3171 give_warning(char_u *message, int hl) |
7 | 3172 { |
3173 /* Don't do this for ":silent". */ | |
3174 if (msg_silent != 0) | |
3175 return; | |
3176 | |
3177 /* Don't want a hit-enter prompt here. */ | |
3178 ++no_wait_return; | |
8 | 3179 |
7 | 3180 #ifdef FEAT_EVAL |
3181 set_vim_var_string(VV_WARNINGMSG, message, -1); | |
3182 #endif | |
3183 vim_free(keep_msg); | |
3184 keep_msg = NULL; | |
3185 if (hl) | |
3186 keep_msg_attr = hl_attr(HLF_W); | |
3187 else | |
3188 keep_msg_attr = 0; | |
3189 if (msg_attr(message, keep_msg_attr) && msg_scrolled == 0) | |
678 | 3190 set_keep_msg(message, keep_msg_attr); |
7 | 3191 msg_didout = FALSE; /* overwrite this message */ |
3192 msg_nowait = TRUE; /* don't wait for this message */ | |
3193 msg_col = 0; | |
8 | 3194 |
7 | 3195 --no_wait_return; |
3196 } | |
3197 | |
3198 /* | |
3199 * Advance msg cursor to column "col". | |
3200 */ | |
3201 void | |
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parents:
7803
diff
changeset
|
3202 msg_advance(int col) |
7 | 3203 { |
3204 if (msg_silent != 0) /* nothing to advance to */ | |
3205 { | |
3206 msg_col = col; /* for redirection, may fill it up later */ | |
3207 return; | |
3208 } | |
3209 if (col >= Columns) /* not enough room */ | |
3210 col = Columns - 1; | |
474 | 3211 #ifdef FEAT_RIGHTLEFT |
3212 if (cmdmsg_rl) | |
3213 while (msg_col > Columns - col) | |
3214 msg_putchar(' '); | |
3215 else | |
3216 #endif | |
3217 while (msg_col < col) | |
3218 msg_putchar(' '); | |
7 | 3219 } |
3220 | |
3221 #if defined(FEAT_CON_DIALOG) || defined(PROTO) | |
3222 /* | |
3223 * Used for "confirm()" function, and the :confirm command prefix. | |
3224 * Versions which haven't got flexible dialogs yet, and console | |
3225 * versions, get this generic handler which uses the command line. | |
3226 * | |
3227 * type = one of: | |
3228 * VIM_QUESTION, VIM_INFO, VIM_WARNING, VIM_ERROR or VIM_GENERIC | |
3229 * title = title string (can be NULL for default) | |
3230 * (neither used in console dialogs at the moment) | |
3231 * | |
3232 * Format of the "buttons" string: | |
3233 * "Button1Name\nButton2Name\nButton3Name" | |
3234 * The first button should normally be the default/accept | |
3235 * The second button should be the 'Cancel' button | |
3236 * Other buttons- use your imagination! | |
3237 * A '&' in a button name becomes a shortcut, so each '&' should be before a | |
3238 * different letter. | |
3239 */ | |
3240 int | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3241 do_dialog( |
41789f16d6b2
commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3242 int type UNUSED, |
41789f16d6b2
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3243 char_u *title UNUSED, |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3244 char_u *message, |
41789f16d6b2
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3245 char_u *buttons, |
41789f16d6b2
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3246 int dfltbutton, |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3247 char_u *textfield UNUSED, /* IObuff for inputdialog(), NULL |
1883 | 3248 otherwise */ |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3249 int ex_cmd) /* when TRUE pressing : accepts default and starts |
2684 | 3250 Ex command */ |
7 | 3251 { |
3252 int oldState; | |
3253 int retval = 0; | |
3254 char_u *hotkeys; | |
3255 int c; | |
3256 int i; | |
3257 | |
3258 #ifndef NO_CONSOLE | |
3259 /* Don't output anything in silent mode ("ex -s") */ | |
3260 if (silent_mode) | |
3261 return dfltbutton; /* return default option */ | |
3262 #endif | |
3263 | |
3264 #ifdef FEAT_GUI_DIALOG | |
3265 /* When GUI is running and 'c' not in 'guioptions', use the GUI dialog */ | |
3266 if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL) | |
3267 { | |
3268 c = gui_mch_dialog(type, title, message, buttons, dfltbutton, | |
2684 | 3269 textfield, ex_cmd); |
1809 | 3270 /* avoid a hit-enter prompt without clearing the cmdline */ |
3271 need_wait_return = FALSE; | |
3272 emsg_on_display = FALSE; | |
3273 cmdline_row = msg_row; | |
7 | 3274 |
3275 /* Flush output to avoid that further messages and redrawing is done | |
3276 * in the wrong order. */ | |
3277 out_flush(); | |
3278 gui_mch_update(); | |
3279 | |
3280 return c; | |
3281 } | |
3282 #endif | |
3283 | |
3284 oldState = State; | |
3285 State = CONFIRM; | |
3286 #ifdef FEAT_MOUSE | |
3287 setmouse(); | |
3288 #endif | |
3289 | |
3290 /* | |
3291 * Since we wait for a keypress, don't make the | |
3292 * user press RETURN as well afterwards. | |
3293 */ | |
3294 ++no_wait_return; | |
3295 hotkeys = msg_show_console_dialog(message, buttons, dfltbutton); | |
3296 | |
3297 if (hotkeys != NULL) | |
3298 { | |
3299 for (;;) | |
3300 { | |
3301 /* Get a typed character directly from the user. */ | |
3302 c = get_keystroke(); | |
3303 switch (c) | |
3304 { | |
3305 case CAR: /* User accepts default option */ | |
3306 case NL: | |
3307 retval = dfltbutton; | |
3308 break; | |
3309 case Ctrl_C: /* User aborts/cancels */ | |
3310 case ESC: | |
3311 retval = 0; | |
3312 break; | |
3313 default: /* Could be a hotkey? */ | |
3314 if (c < 0) /* special keys are ignored here */ | |
3315 continue; | |
2684 | 3316 if (c == ':' && ex_cmd) |
3317 { | |
3318 retval = dfltbutton; | |
3319 ins_char_typebuf(':'); | |
3320 break; | |
3321 } | |
3322 | |
7 | 3323 /* Make the character lowercase, as chars in "hotkeys" are. */ |
3324 c = MB_TOLOWER(c); | |
3325 retval = 1; | |
3326 for (i = 0; hotkeys[i]; ++i) | |
3327 { | |
3328 #ifdef FEAT_MBYTE | |
3329 if (has_mbyte) | |
3330 { | |
3331 if ((*mb_ptr2char)(hotkeys + i) == c) | |
3332 break; | |
474 | 3333 i += (*mb_ptr2len)(hotkeys + i) - 1; |
7 | 3334 } |
3335 else | |
3336 #endif | |
3337 if (hotkeys[i] == c) | |
3338 break; | |
3339 ++retval; | |
3340 } | |
3341 if (hotkeys[i]) | |
3342 break; | |
3343 /* No hotkey match, so keep waiting */ | |
3344 continue; | |
3345 } | |
3346 break; | |
3347 } | |
3348 | |
3349 vim_free(hotkeys); | |
3350 } | |
3351 | |
3352 State = oldState; | |
3353 #ifdef FEAT_MOUSE | |
3354 setmouse(); | |
3355 #endif | |
3356 --no_wait_return; | |
3357 msg_end_prompt(); | |
3358 | |
3359 return retval; | |
3360 } | |
3361 | |
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parents:
6949
diff
changeset
|
3362 static int copy_char(char_u *from, char_u *to, int lowercase); |
7 | 3363 |
3364 /* | |
3365 * Copy one character from "*from" to "*to", taking care of multi-byte | |
3366 * characters. Return the length of the character in bytes. | |
3367 */ | |
3368 static int | |
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diff
changeset
|
3369 copy_char( |
41789f16d6b2
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|
3370 char_u *from, |
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
3371 char_u *to, |
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Christian Brabandt <cb@256bit.org>
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7803
diff
changeset
|
3372 int lowercase) /* make character lower case */ |
7 | 3373 { |
3374 #ifdef FEAT_MBYTE | |
3375 int len; | |
3376 int c; | |
3377 | |
3378 if (has_mbyte) | |
3379 { | |
3380 if (lowercase) | |
3381 { | |
3382 c = MB_TOLOWER((*mb_ptr2char)(from)); | |
3383 return (*mb_char2bytes)(c, to); | |
3384 } | |
3385 else | |
3386 { | |
474 | 3387 len = (*mb_ptr2len)(from); |
7 | 3388 mch_memmove(to, from, (size_t)len); |
3389 return len; | |
3390 } | |
3391 } | |
3392 else | |
3393 #endif | |
3394 { | |
3395 if (lowercase) | |
3396 *to = (char_u)TOLOWER_LOC(*from); | |
3397 else | |
3398 *to = *from; | |
3399 return 1; | |
3400 } | |
3401 } | |
3402 | |
3403 /* | |
3404 * Format the dialog string, and display it at the bottom of | |
3405 * the screen. Return a string of hotkey chars (if defined) for | |
3406 * each 'button'. If a button has no hotkey defined, the first character of | |
3407 * the button is used. | |
3408 * The hotkeys can be multi-byte characters, but without combining chars. | |
3409 * | |
3410 * Returns an allocated string with hotkeys, or NULL for error. | |
3411 */ | |
3412 static char_u * | |
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diff
changeset
|
3413 msg_show_console_dialog( |
41789f16d6b2
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parents:
7803
diff
changeset
|
3414 char_u *message, |
41789f16d6b2
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
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|
3415 char_u *buttons, |
41789f16d6b2
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3416 int dfltbutton) |
7 | 3417 { |
3418 int len = 0; | |
3419 #ifdef FEAT_MBYTE | |
3420 # define HOTK_LEN (has_mbyte ? MB_MAXBYTES : 1) | |
3421 #else | |
3422 # define HOTK_LEN 1 | |
3423 #endif | |
3424 int lenhotkey = HOTK_LEN; /* count first button */ | |
3425 char_u *hotk = NULL; | |
3426 char_u *msgp = NULL; | |
3427 char_u *hotkp = NULL; | |
3428 char_u *r; | |
3429 int copy; | |
3430 #define HAS_HOTKEY_LEN 30 | |
3431 char_u has_hotkey[HAS_HOTKEY_LEN]; | |
3432 int first_hotkey = FALSE; /* first char of button is hotkey */ | |
3433 int idx; | |
3434 | |
3435 has_hotkey[0] = FALSE; | |
3436 | |
3437 /* | |
3438 * First loop: compute the size of memory to allocate. | |
3439 * Second loop: copy to the allocated memory. | |
3440 */ | |
3441 for (copy = 0; copy <= 1; ++copy) | |
3442 { | |
3443 r = buttons; | |
3444 idx = 0; | |
3445 while (*r) | |
3446 { | |
3447 if (*r == DLG_BUTTON_SEP) | |
3448 { | |
3449 if (copy) | |
3450 { | |
3451 *msgp++ = ','; | |
3452 *msgp++ = ' '; /* '\n' -> ', ' */ | |
3453 | |
3454 /* advance to next hotkey and set default hotkey */ | |
3455 #ifdef FEAT_MBYTE | |
3456 if (has_mbyte) | |
1306 | 3457 hotkp += STRLEN(hotkp); |
7 | 3458 else |
3459 #endif | |
3460 ++hotkp; | |
1306 | 3461 hotkp[copy_char(r + 1, hotkp, TRUE)] = NUL; |
7 | 3462 if (dfltbutton) |
3463 --dfltbutton; | |
3464 | |
3465 /* If no hotkey is specified first char is used. */ | |
3466 if (idx < HAS_HOTKEY_LEN - 1 && !has_hotkey[++idx]) | |
3467 first_hotkey = TRUE; | |
3468 } | |
3469 else | |
3470 { | |
3471 len += 3; /* '\n' -> ', '; 'x' -> '(x)' */ | |
3472 lenhotkey += HOTK_LEN; /* each button needs a hotkey */ | |
3473 if (idx < HAS_HOTKEY_LEN - 1) | |
3474 has_hotkey[++idx] = FALSE; | |
3475 } | |
3476 } | |
3477 else if (*r == DLG_HOTKEY_CHAR || first_hotkey) | |
3478 { | |
3479 if (*r == DLG_HOTKEY_CHAR) | |
3480 ++r; | |
3481 first_hotkey = FALSE; | |
3482 if (copy) | |
3483 { | |
3484 if (*r == DLG_HOTKEY_CHAR) /* '&&a' -> '&a' */ | |
3485 *msgp++ = *r; | |
3486 else | |
3487 { | |
3488 /* '&a' -> '[a]' */ | |
3489 *msgp++ = (dfltbutton == 1) ? '[' : '('; | |
3490 msgp += copy_char(r, msgp, FALSE); | |
3491 *msgp++ = (dfltbutton == 1) ? ']' : ')'; | |
3492 | |
3493 /* redefine hotkey */ | |
1306 | 3494 hotkp[copy_char(r, hotkp, TRUE)] = NUL; |
7 | 3495 } |
3496 } | |
3497 else | |
3498 { | |
3499 ++len; /* '&a' -> '[a]' */ | |
3500 if (idx < HAS_HOTKEY_LEN - 1) | |
3501 has_hotkey[idx] = TRUE; | |
3502 } | |
3503 } | |
3504 else | |
3505 { | |
3506 /* everything else copy literally */ | |
3507 if (copy) | |
3508 msgp += copy_char(r, msgp, FALSE); | |
3509 } | |
3510 | |
3511 /* advance to the next character */ | |
39 | 3512 mb_ptr_adv(r); |
7 | 3513 } |
3514 | |
3515 if (copy) | |
3516 { | |
3517 *msgp++ = ':'; | |
3518 *msgp++ = ' '; | |
3519 *msgp = NUL; | |
3520 } | |
3521 else | |
3522 { | |
835 | 3523 len += (int)(STRLEN(message) |
856 | 3524 + 2 /* for the NL's */ |
3525 + STRLEN(buttons) | |
3526 + 3); /* for the ": " and NUL */ | |
835 | 3527 lenhotkey++; /* for the NUL */ |
7 | 3528 |
3529 /* If no hotkey is specified first char is used. */ | |
3530 if (!has_hotkey[0]) | |
3531 { | |
3532 first_hotkey = TRUE; | |
3533 len += 2; /* "x" -> "[x]" */ | |
3534 } | |
3535 | |
3536 /* | |
3537 * Now allocate and load the strings | |
3538 */ | |
3539 vim_free(confirm_msg); | |
3540 confirm_msg = alloc(len); | |
3541 if (confirm_msg == NULL) | |
3542 return NULL; | |
3543 *confirm_msg = NUL; | |
3544 hotk = alloc(lenhotkey); | |
3545 if (hotk == NULL) | |
3546 return NULL; | |
3547 | |
3548 *confirm_msg = '\n'; | |
3549 STRCPY(confirm_msg + 1, message); | |
3550 | |
3551 msgp = confirm_msg + 1 + STRLEN(message); | |
3552 hotkp = hotk; | |
3553 | |
1306 | 3554 /* Define first default hotkey. Keep the hotkey string NUL |
3555 * terminated to avoid reading past the end. */ | |
3556 hotkp[copy_char(buttons, hotkp, TRUE)] = NUL; | |
7 | 3557 |
3558 /* Remember where the choices start, displaying starts here when | |
3559 * "hotkp" typed at the more prompt. */ | |
3560 confirm_msg_tail = msgp; | |
3561 *msgp++ = '\n'; | |
3562 } | |
3563 } | |
3564 | |
3565 display_confirm_msg(); | |
3566 return hotk; | |
3567 } | |
3568 | |
3569 /* | |
3570 * Display the ":confirm" message. Also called when screen resized. | |
3571 */ | |
3572 void | |
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3573 display_confirm_msg(void) |
7 | 3574 { |
3575 /* avoid that 'q' at the more prompt truncates the message here */ | |
3576 ++confirm_msg_used; | |
3577 if (confirm_msg != NULL) | |
3578 msg_puts_attr(confirm_msg, hl_attr(HLF_M)); | |
3579 --confirm_msg_used; | |
3580 } | |
3581 | |
3582 #endif /* FEAT_CON_DIALOG */ | |
3583 | |
3584 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
3585 | |
3586 int | |
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3587 vim_dialog_yesno( |
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3588 int type, |
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3589 char_u *title, |
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|
3590 char_u *message, |
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|
3591 int dflt) |
7 | 3592 { |
3593 if (do_dialog(type, | |
3594 title == NULL ? (char_u *)_("Question") : title, | |
3595 message, | |
2684 | 3596 (char_u *)_("&Yes\n&No"), dflt, NULL, FALSE) == 1) |
7 | 3597 return VIM_YES; |
3598 return VIM_NO; | |
3599 } | |
3600 | |
3601 int | |
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|
3602 vim_dialog_yesnocancel( |
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3603 int type, |
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|
3604 char_u *title, |
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|
3605 char_u *message, |
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parents:
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diff
changeset
|
3606 int dflt) |
7 | 3607 { |
3608 switch (do_dialog(type, | |
3609 title == NULL ? (char_u *)_("Question") : title, | |
3610 message, | |
2684 | 3611 (char_u *)_("&Yes\n&No\n&Cancel"), dflt, NULL, FALSE)) |
7 | 3612 { |
3613 case 1: return VIM_YES; | |
3614 case 2: return VIM_NO; | |
3615 } | |
3616 return VIM_CANCEL; | |
3617 } | |
3618 | |
3619 int | |
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3620 vim_dialog_yesnoallcancel( |
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3621 int type, |
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|
3622 char_u *title, |
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|
3623 char_u *message, |
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parents:
7803
diff
changeset
|
3624 int dflt) |
7 | 3625 { |
3626 switch (do_dialog(type, | |
3627 title == NULL ? (char_u *)"Question" : title, | |
3628 message, | |
3629 (char_u *)_("&Yes\n&No\nSave &All\n&Discard All\n&Cancel"), | |
2684 | 3630 dflt, NULL, FALSE)) |
7 | 3631 { |
3632 case 1: return VIM_YES; | |
3633 case 2: return VIM_NO; | |
3634 case 3: return VIM_ALL; | |
3635 case 4: return VIM_DISCARDALL; | |
3636 } | |
3637 return VIM_CANCEL; | |
3638 } | |
3639 | |
3640 #endif /* FEAT_GUI_DIALOG || FEAT_CON_DIALOG */ | |
3641 | |
3642 #if defined(FEAT_BROWSE) || defined(PROTO) | |
3643 /* | |
3644 * Generic browse function. Calls gui_mch_browse() when possible. | |
3645 * Later this may pop-up a non-GUI file selector (external command?). | |
3646 */ | |
3647 char_u * | |
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3648 do_browse( |
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|
3649 int flags, /* BROWSE_SAVE and BROWSE_DIR */ |
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diff
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|
3650 char_u *title, /* title for the window */ |
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|
3651 char_u *dflt, /* default file name (may include directory) */ |
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3652 char_u *ext, /* extension added */ |
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3653 char_u *initdir, /* initial directory, NULL for current dir or |
7 | 3654 when using path from "dflt" */ |
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3655 char_u *filter, /* file name filter */ |
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diff
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|
3656 buf_T *buf) /* buffer to read/write for */ |
7 | 3657 { |
3658 char_u *fname; | |
3659 static char_u *last_dir = NULL; /* last used directory */ | |
3660 char_u *tofree = NULL; | |
3661 int save_browse = cmdmod.browse; | |
3662 | |
3663 /* Must turn off browse to avoid that autocommands will get the | |
3664 * flag too! */ | |
3665 cmdmod.browse = FALSE; | |
3666 | |
28 | 3667 if (title == NULL || *title == NUL) |
7 | 3668 { |
28 | 3669 if (flags & BROWSE_DIR) |
3670 title = (char_u *)_("Select Directory dialog"); | |
3671 else if (flags & BROWSE_SAVE) | |
7 | 3672 title = (char_u *)_("Save File dialog"); |
3673 else | |
3674 title = (char_u *)_("Open File dialog"); | |
3675 } | |
3676 | |
3677 /* When no directory specified, use default file name, default dir, buffer | |
3678 * dir, last dir or current dir */ | |
3679 if ((initdir == NULL || *initdir == NUL) && dflt != NULL && *dflt != NUL) | |
3680 { | |
3681 if (mch_isdir(dflt)) /* default file name is a directory */ | |
3682 { | |
3683 initdir = dflt; | |
3684 dflt = NULL; | |
3685 } | |
3686 else if (gettail(dflt) != dflt) /* default file name includes a path */ | |
3687 { | |
3688 tofree = vim_strsave(dflt); | |
3689 if (tofree != NULL) | |
3690 { | |
3691 initdir = tofree; | |
3692 *gettail(initdir) = NUL; | |
3693 dflt = gettail(dflt); | |
3694 } | |
3695 } | |
3696 } | |
3697 | |
3698 if (initdir == NULL || *initdir == NUL) | |
3699 { | |
3700 /* When 'browsedir' is a directory, use it */ | |
28 | 3701 if (STRCMP(p_bsdir, "last") != 0 |
3702 && STRCMP(p_bsdir, "buffer") != 0 | |
3703 && STRCMP(p_bsdir, "current") != 0 | |
3704 && mch_isdir(p_bsdir)) | |
7 | 3705 initdir = p_bsdir; |
3706 /* When saving or 'browsedir' is "buffer", use buffer fname */ | |
28 | 3707 else if (((flags & BROWSE_SAVE) || *p_bsdir == 'b') |
7 | 3708 && buf != NULL && buf->b_ffname != NULL) |
3709 { | |
3710 if (dflt == NULL || *dflt == NUL) | |
3711 dflt = gettail(curbuf->b_ffname); | |
3712 tofree = vim_strsave(curbuf->b_ffname); | |
3713 if (tofree != NULL) | |
3714 { | |
3715 initdir = tofree; | |
3716 *gettail(initdir) = NUL; | |
3717 } | |
3718 } | |
3719 /* When 'browsedir' is "last", use dir from last browse */ | |
3720 else if (*p_bsdir == 'l') | |
3721 initdir = last_dir; | |
3722 /* When 'browsedir is "current", use current directory. This is the | |
3723 * default already, leave initdir empty. */ | |
3724 } | |
3725 | |
3726 # ifdef FEAT_GUI | |
3727 if (gui.in_use) /* when this changes, also adjust f_has()! */ | |
3728 { | |
3729 if (filter == NULL | |
3730 # ifdef FEAT_EVAL | |
3731 && (filter = get_var_value((char_u *)"b:browsefilter")) == NULL | |
3732 && (filter = get_var_value((char_u *)"g:browsefilter")) == NULL | |
3733 # endif | |
3734 ) | |
3735 filter = BROWSE_FILTER_DEFAULT; | |
28 | 3736 if (flags & BROWSE_DIR) |
3737 { | |
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3738 # if defined(FEAT_GUI_GTK) || defined(WIN3264) |
28 | 3739 /* For systems that have a directory dialog. */ |
3740 fname = gui_mch_browsedir(title, initdir); | |
3741 # else | |
3742 /* Generic solution for selecting a directory: select a file and | |
3743 * remove the file name. */ | |
3744 fname = gui_mch_browse(0, title, dflt, ext, initdir, (char_u *)""); | |
3745 # endif | |
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3746 # if !defined(FEAT_GUI_GTK) |
28 | 3747 /* Win32 adds a dummy file name, others return an arbitrary file |
3748 * name. GTK+ 2 returns only the directory, */ | |
3749 if (fname != NULL && *fname != NUL && !mch_isdir(fname)) | |
3750 { | |
3751 /* Remove the file name. */ | |
39 | 3752 char_u *tail = gettail_sep(fname); |
28 | 3753 |
3754 if (tail == fname) | |
3755 *tail++ = '.'; /* use current dir */ | |
3756 *tail = NUL; | |
3757 } | |
3758 # endif | |
3759 } | |
3760 else | |
3761 fname = gui_mch_browse(flags & BROWSE_SAVE, | |
3762 title, dflt, ext, initdir, filter); | |
7 | 3763 |
3764 /* We hang around in the dialog for a while, the user might do some | |
3765 * things to our files. The Win32 dialog allows deleting or renaming | |
3766 * a file, check timestamps. */ | |
3767 need_check_timestamps = TRUE; | |
3768 did_check_timestamps = FALSE; | |
3769 } | |
3770 else | |
3771 # endif | |
3772 { | |
3773 /* TODO: non-GUI file selector here */ | |
3774 EMSG(_("E338: Sorry, no file browser in console mode")); | |
3775 fname = NULL; | |
3776 } | |
3777 | |
3778 /* keep the directory for next time */ | |
3779 if (fname != NULL) | |
3780 { | |
3781 vim_free(last_dir); | |
3782 last_dir = vim_strsave(fname); | |
28 | 3783 if (last_dir != NULL && !(flags & BROWSE_DIR)) |
7 | 3784 { |
3785 *gettail(last_dir) = NUL; | |
3786 if (*last_dir == NUL) | |
3787 { | |
3788 /* filename only returned, must be in current dir */ | |
3789 vim_free(last_dir); | |
3790 last_dir = alloc(MAXPATHL); | |
3791 if (last_dir != NULL) | |
3792 mch_dirname(last_dir, MAXPATHL); | |
3793 } | |
3794 } | |
3795 } | |
3796 | |
3797 vim_free(tofree); | |
3798 cmdmod.browse = save_browse; | |
3799 | |
3800 return fname; | |
3801 } | |
3802 #endif | |
272 | 3803 |
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|
3804 #if defined(FEAT_EVAL) |
449 | 3805 static char *e_printf = N_("E766: Insufficient arguments for printf()"); |
3806 | |
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3807 static long tv_nr(typval_T *tvs, int *idxp); |
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3808 static char *tv_str(typval_T *tvs, int *idxp); |
1619 | 3809 # ifdef FEAT_FLOAT |
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3810 static double tv_float(typval_T *tvs, int *idxp); |
1619 | 3811 # endif |
449 | 3812 |
3813 /* | |
3814 * Get number argument from "idxp" entry in "tvs". First entry is 1. | |
3815 */ | |
3816 static long | |
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changeset
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3817 tv_nr(typval_T *tvs, int *idxp) |
449 | 3818 { |
3819 int idx = *idxp - 1; | |
3820 long n = 0; | |
3821 int err = FALSE; | |
3822 | |
3823 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3824 EMSG(_(e_printf)); | |
3825 else | |
3826 { | |
3827 ++*idxp; | |
3828 n = get_tv_number_chk(&tvs[idx], &err); | |
3829 if (err) | |
3830 n = 0; | |
3831 } | |
3832 return n; | |
3833 } | |
3834 | |
3835 /* | |
3836 * Get string argument from "idxp" entry in "tvs". First entry is 1. | |
532 | 3837 * Returns NULL for an error. |
449 | 3838 */ |
3839 static char * | |
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3840 tv_str(typval_T *tvs, int *idxp) |
449 | 3841 { |
3842 int idx = *idxp - 1; | |
3843 char *s = NULL; | |
3844 | |
3845 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3846 EMSG(_(e_printf)); | |
3847 else | |
3848 { | |
3849 ++*idxp; | |
3850 s = (char *)get_tv_string_chk(&tvs[idx]); | |
3851 } | |
3852 return s; | |
3853 } | |
1619 | 3854 |
3855 # ifdef FEAT_FLOAT | |
3856 /* | |
3857 * Get float argument from "idxp" entry in "tvs". First entry is 1. | |
3858 */ | |
3859 static double | |
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3860 tv_float(typval_T *tvs, int *idxp) |
1619 | 3861 { |
3862 int idx = *idxp - 1; | |
3863 double f = 0; | |
3864 | |
3865 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3866 EMSG(_(e_printf)); | |
3867 else | |
3868 { | |
3869 ++*idxp; | |
3870 if (tvs[idx].v_type == VAR_FLOAT) | |
3871 f = tvs[idx].vval.v_float; | |
1656 | 3872 else if (tvs[idx].v_type == VAR_NUMBER) |
3873 f = tvs[idx].vval.v_number; | |
1619 | 3874 else |
3875 EMSG(_("E807: Expected Float argument for printf()")); | |
3876 } | |
3877 return f; | |
3878 } | |
3879 # endif | |
449 | 3880 #endif |
3881 | |
272 | 3882 /* |
3883 * This code was included to provide a portable vsnprintf() and snprintf(). | |
715 | 3884 * Some systems may provide their own, but we always use this one for |
272 | 3885 * consistency. |
3886 * | |
3887 * This code is based on snprintf.c - a portable implementation of snprintf | |
3888 * by Mark Martinec <mark.martinec@ijs.si>, Version 2.2, 2000-10-06. | |
1189 | 3889 * Included with permission. It was heavily modified to fit in Vim. |
272 | 3890 * The original code, including useful comments, can be found here: |
3891 * http://www.ijs.si/software/snprintf/ | |
3892 * | |
3893 * This snprintf() only supports the following conversion specifiers: | |
3894 * s, c, d, u, o, x, X, p (and synonyms: i, D, U, O - see below) | |
3895 * with flags: '-', '+', ' ', '0' and '#'. | |
3896 * An asterisk is supported for field width as well as precision. | |
3897 * | |
1619 | 3898 * Limited support for floating point was added: 'f', 'e', 'E', 'g', 'G'. |
3899 * | |
272 | 3900 * Length modifiers 'h' (short int) and 'l' (long int) are supported. |
3901 * 'll' (long long int) is not supported. | |
3902 * | |
437 | 3903 * The locale is not used, the string is used as a byte string. This is only |
3904 * relevant for double-byte encodings where the second byte may be '%'. | |
3905 * | |
715 | 3906 * It is permitted for "str_m" to be zero, and it is permitted to specify NULL |
3907 * pointer for resulting string argument if "str_m" is zero (as per ISO C99). | |
272 | 3908 * |
3909 * The return value is the number of characters which would be generated | |
6448 | 3910 * for the given input, excluding the trailing NUL. If this value |
715 | 3911 * is greater or equal to "str_m", not all characters from the result |
3912 * have been stored in str, output bytes beyond the ("str_m"-1) -th character | |
3913 * are discarded. If "str_m" is greater than zero it is guaranteed | |
6448 | 3914 * the resulting string will be NUL-terminated. |
272 | 3915 */ |
3916 | |
3917 /* | |
3918 * When va_list is not supported we only define vim_snprintf(). | |
449 | 3919 * |
3920 * vim_vsnprintf() can be invoked with either "va_list" or a list of | |
482 | 3921 * "typval_T". When the latter is not used it must be NULL. |
272 | 3922 */ |
3923 | |
3924 /* When generating prototypes all of this is skipped, cproto doesn't | |
3925 * understand this. */ | |
3926 #ifndef PROTO | |
2280
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3927 |
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3928 /* Like vim_vsnprintf() but append to the string. */ |
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3929 int |
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3930 vim_snprintf_add(char *str, size_t str_m, char *fmt, ...) |
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3931 { |
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3932 va_list ap; |
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3933 int str_l; |
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3934 size_t len = STRLEN(str); |
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3935 size_t space; |
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3936 |
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3937 if (str_m <= len) |
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3938 space = 0; |
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3939 else |
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3940 space = str_m - len; |
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3941 va_start(ap, fmt); |
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3942 str_l = vim_vsnprintf(str + len, space, fmt, ap, NULL); |
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3943 va_end(ap); |
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3944 return str_l; |
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3945 } |
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3946 |
272 | 3947 int |
3948 vim_snprintf(char *str, size_t str_m, char *fmt, ...) | |
3949 { | |
3950 va_list ap; | |
3951 int str_l; | |
3952 | |
3953 va_start(ap, fmt); | |
449 | 3954 str_l = vim_vsnprintf(str, str_m, fmt, ap, NULL); |
272 | 3955 va_end(ap); |
3956 return str_l; | |
3957 } | |
3958 | |
449 | 3959 int |
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3960 vim_vsnprintf( |
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3961 char *str, |
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3962 size_t str_m, |
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3963 char *fmt, |
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3964 va_list ap, |
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3965 typval_T *tvs) |
272 | 3966 { |
3967 size_t str_l = 0; | |
3968 char *p = fmt; | |
3969 int arg_idx = 1; | |
3970 | |
3971 if (p == NULL) | |
3972 p = ""; | |
3973 while (*p != NUL) | |
3974 { | |
3975 if (*p != '%') | |
3976 { | |
3977 char *q = strchr(p + 1, '%'); | |
1883 | 3978 size_t n = (q == NULL) ? STRLEN(p) : (size_t)(q - p); |
272 | 3979 |
437 | 3980 /* Copy up to the next '%' or NUL without any changes. */ |
272 | 3981 if (str_l < str_m) |
3982 { | |
3983 size_t avail = str_m - str_l; | |
3984 | |
3985 mch_memmove(str + str_l, p, n > avail ? avail : n); | |
3986 } | |
3987 p += n; | |
3988 str_l += n; | |
3989 } | |
3990 else | |
3991 { | |
3992 size_t min_field_width = 0, precision = 0; | |
3993 int zero_padding = 0, precision_specified = 0, justify_left = 0; | |
3994 int alternate_form = 0, force_sign = 0; | |
3995 | |
3996 /* If both the ' ' and '+' flags appear, the ' ' flag should be | |
3997 * ignored. */ | |
3998 int space_for_positive = 1; | |
3999 | |
4000 /* allowed values: \0, h, l, L */ | |
4001 char length_modifier = '\0'; | |
4002 | |
4003 /* temporary buffer for simple numeric->string conversion */ | |
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4004 # ifdef FEAT_FLOAT |
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4005 # define TMP_LEN 350 /* On my system 1e308 is the biggest number possible. |
1619 | 4006 * That sounds reasonable to use as the maximum |
4007 * printable. */ | |
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4008 # else |
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4009 # define TMP_LEN 32 |
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4010 # endif |
1619 | 4011 char tmp[TMP_LEN]; |
272 | 4012 |
4013 /* string address in case of string argument */ | |
4014 char *str_arg; | |
4015 | |
4016 /* natural field width of arg without padding and sign */ | |
4017 size_t str_arg_l; | |
4018 | |
4019 /* unsigned char argument value - only defined for c conversion. | |
4020 * N.B. standard explicitly states the char argument for the c | |
4021 * conversion is unsigned */ | |
4022 unsigned char uchar_arg; | |
4023 | |
4024 /* number of zeros to be inserted for numeric conversions as | |
4025 * required by the precision or minimal field width */ | |
4026 size_t number_of_zeros_to_pad = 0; | |
4027 | |
4028 /* index into tmp where zero padding is to be inserted */ | |
4029 size_t zero_padding_insertion_ind = 0; | |
4030 | |
4031 /* current conversion specifier character */ | |
4032 char fmt_spec = '\0'; | |
4033 | |
4034 str_arg = NULL; | |
4035 p++; /* skip '%' */ | |
4036 | |
4037 /* parse flags */ | |
4038 while (*p == '0' || *p == '-' || *p == '+' || *p == ' ' | |
4039 || *p == '#' || *p == '\'') | |
4040 { | |
4041 switch (*p) | |
4042 { | |
4043 case '0': zero_padding = 1; break; | |
4044 case '-': justify_left = 1; break; | |
4045 case '+': force_sign = 1; space_for_positive = 0; break; | |
4046 case ' ': force_sign = 1; | |
4047 /* If both the ' ' and '+' flags appear, the ' ' | |
4048 * flag should be ignored */ | |
4049 break; | |
4050 case '#': alternate_form = 1; break; | |
4051 case '\'': break; | |
4052 } | |
4053 p++; | |
4054 } | |
4055 /* If the '0' and '-' flags both appear, the '0' flag should be | |
4056 * ignored. */ | |
4057 | |
4058 /* parse field width */ | |
4059 if (*p == '*') | |
4060 { | |
4061 int j; | |
4062 | |
4063 p++; | |
449 | 4064 j = |
4065 # if defined(FEAT_EVAL) | |
482 | 4066 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4067 # endif |
4068 va_arg(ap, int); | |
272 | 4069 if (j >= 0) |
4070 min_field_width = j; | |
4071 else | |
4072 { | |
4073 min_field_width = -j; | |
4074 justify_left = 1; | |
4075 } | |
4076 } | |
4077 else if (VIM_ISDIGIT((int)(*p))) | |
4078 { | |
4079 /* size_t could be wider than unsigned int; make sure we treat | |
4080 * argument like common implementations do */ | |
4081 unsigned int uj = *p++ - '0'; | |
4082 | |
4083 while (VIM_ISDIGIT((int)(*p))) | |
4084 uj = 10 * uj + (unsigned int)(*p++ - '0'); | |
4085 min_field_width = uj; | |
4086 } | |
4087 | |
4088 /* parse precision */ | |
4089 if (*p == '.') | |
4090 { | |
4091 p++; | |
4092 precision_specified = 1; | |
4093 if (*p == '*') | |
4094 { | |
4095 int j; | |
4096 | |
449 | 4097 j = |
4098 # if defined(FEAT_EVAL) | |
482 | 4099 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4100 # endif |
4101 va_arg(ap, int); | |
272 | 4102 p++; |
4103 if (j >= 0) | |
4104 precision = j; | |
4105 else | |
4106 { | |
4107 precision_specified = 0; | |
4108 precision = 0; | |
4109 } | |
4110 } | |
4111 else if (VIM_ISDIGIT((int)(*p))) | |
4112 { | |
4113 /* size_t could be wider than unsigned int; make sure we | |
4114 * treat argument like common implementations do */ | |
4115 unsigned int uj = *p++ - '0'; | |
4116 | |
4117 while (VIM_ISDIGIT((int)(*p))) | |
4118 uj = 10 * uj + (unsigned int)(*p++ - '0'); | |
4119 precision = uj; | |
4120 } | |
4121 } | |
4122 | |
4123 /* parse 'h', 'l' and 'll' length modifiers */ | |
4124 if (*p == 'h' || *p == 'l') | |
4125 { | |
4126 length_modifier = *p; | |
4127 p++; | |
4128 if (length_modifier == 'l' && *p == 'l') | |
4129 { | |
4130 /* double l = long long */ | |
4131 length_modifier = 'l'; /* treat it as a single 'l' */ | |
4132 p++; | |
4133 } | |
4134 } | |
4135 fmt_spec = *p; | |
4136 | |
4137 /* common synonyms: */ | |
4138 switch (fmt_spec) | |
4139 { | |
4140 case 'i': fmt_spec = 'd'; break; | |
4141 case 'D': fmt_spec = 'd'; length_modifier = 'l'; break; | |
4142 case 'U': fmt_spec = 'u'; length_modifier = 'l'; break; | |
4143 case 'O': fmt_spec = 'o'; length_modifier = 'l'; break; | |
1619 | 4144 case 'F': fmt_spec = 'f'; break; |
272 | 4145 default: break; |
4146 } | |
4147 | |
4148 /* get parameter value, do initial processing */ | |
4149 switch (fmt_spec) | |
4150 { | |
4151 /* '%' and 'c' behave similar to 's' regarding flags and field | |
4152 * widths */ | |
4153 case '%': | |
4154 case 'c': | |
4155 case 's': | |
3914 | 4156 case 'S': |
272 | 4157 length_modifier = '\0'; |
4158 str_arg_l = 1; | |
4159 switch (fmt_spec) | |
4160 { | |
4161 case '%': | |
4162 str_arg = p; | |
4163 break; | |
4164 | |
4165 case 'c': | |
4166 { | |
4167 int j; | |
449 | 4168 |
4169 j = | |
4170 # if defined(FEAT_EVAL) | |
482 | 4171 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4172 # endif |
4173 va_arg(ap, int); | |
272 | 4174 /* standard demands unsigned char */ |
4175 uchar_arg = (unsigned char)j; | |
4176 str_arg = (char *)&uchar_arg; | |
4177 break; | |
4178 } | |
4179 | |
4180 case 's': | |
3914 | 4181 case 'S': |
449 | 4182 str_arg = |
4183 # if defined(FEAT_EVAL) | |
482 | 4184 tvs != NULL ? tv_str(tvs, &arg_idx) : |
449 | 4185 # endif |
4186 va_arg(ap, char *); | |
272 | 4187 if (str_arg == NULL) |
4188 { | |
4189 str_arg = "[NULL]"; | |
4190 str_arg_l = 6; | |
4191 } | |
4192 /* make sure not to address string beyond the specified | |
4193 * precision !!! */ | |
4194 else if (!precision_specified) | |
4195 str_arg_l = strlen(str_arg); | |
4196 /* truncate string if necessary as requested by precision */ | |
4197 else if (precision == 0) | |
4198 str_arg_l = 0; | |
4199 else | |
4200 { | |
881 | 4201 /* Don't put the #if inside memchr(), it can be a |
4202 * macro. */ | |
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4203 # if VIM_SIZEOF_INT <= 2 |
881 | 4204 char *q = memchr(str_arg, '\0', precision); |
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4205 # else |
272 | 4206 /* memchr on HP does not like n > 2^31 !!! */ |
4207 char *q = memchr(str_arg, '\0', | |
881 | 4208 precision <= (size_t)0x7fffffffL ? precision |
4209 : (size_t)0x7fffffffL); | |
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4210 # endif |
1883 | 4211 str_arg_l = (q == NULL) ? precision |
4212 : (size_t)(q - str_arg); | |
272 | 4213 } |
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4214 # ifdef FEAT_MBYTE |
3914 | 4215 if (fmt_spec == 'S') |
4216 { | |
4217 if (min_field_width != 0) | |
4218 min_field_width += STRLEN(str_arg) | |
4219 - mb_string2cells((char_u *)str_arg, -1); | |
4220 if (precision) | |
4221 { | |
4222 char_u *p1 = (char_u *)str_arg; | |
4223 size_t i; | |
4224 | |
4225 for (i = 0; i < precision && *p1; i++) | |
4226 p1 += mb_ptr2len(p1); | |
4227 | |
4228 str_arg_l = precision = p1 - (char_u *)str_arg; | |
4229 } | |
4230 } | |
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4231 # endif |
272 | 4232 break; |
4233 | |
4234 default: | |
4235 break; | |
4236 } | |
4237 break; | |
4238 | |
4239 case 'd': case 'u': case 'o': case 'x': case 'X': case 'p': | |
4240 { | |
4241 /* NOTE: the u, o, x, X and p conversion specifiers | |
4242 * imply the value is unsigned; d implies a signed | |
4243 * value */ | |
4244 | |
4245 /* 0 if numeric argument is zero (or if pointer is | |
4246 * NULL for 'p'), +1 if greater than zero (or nonzero | |
4247 * for unsigned arguments), -1 if negative (unsigned | |
4248 * argument is never negative) */ | |
4249 int arg_sign = 0; | |
4250 | |
4251 /* only defined for length modifier h, or for no | |
4252 * length modifiers */ | |
4253 int int_arg = 0; | |
4254 unsigned int uint_arg = 0; | |
4255 | |
4256 /* only defined for length modifier l */ | |
4257 long int long_arg = 0; | |
4258 unsigned long int ulong_arg = 0; | |
4259 | |
4260 /* pointer argument value -only defined for p | |
4261 * conversion */ | |
4262 void *ptr_arg = NULL; | |
4263 | |
4264 if (fmt_spec == 'p') | |
4265 { | |
4266 length_modifier = '\0'; | |
449 | 4267 ptr_arg = |
4268 # if defined(FEAT_EVAL) | |
482 | 4269 tvs != NULL ? (void *)tv_str(tvs, &arg_idx) : |
449 | 4270 # endif |
4271 va_arg(ap, void *); | |
272 | 4272 if (ptr_arg != NULL) |
4273 arg_sign = 1; | |
4274 } | |
4275 else if (fmt_spec == 'd') | |
4276 { | |
4277 /* signed */ | |
4278 switch (length_modifier) | |
4279 { | |
4280 case '\0': | |
4281 case 'h': | |
449 | 4282 /* char and short arguments are passed as int. */ |
4283 int_arg = | |
4284 # if defined(FEAT_EVAL) | |
482 | 4285 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4286 # endif |
4287 va_arg(ap, int); | |
272 | 4288 if (int_arg > 0) |
4289 arg_sign = 1; | |
4290 else if (int_arg < 0) | |
4291 arg_sign = -1; | |
4292 break; | |
4293 case 'l': | |
449 | 4294 long_arg = |
4295 # if defined(FEAT_EVAL) | |
482 | 4296 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4297 # endif |
4298 va_arg(ap, long int); | |
272 | 4299 if (long_arg > 0) |
4300 arg_sign = 1; | |
4301 else if (long_arg < 0) | |
4302 arg_sign = -1; | |
4303 break; | |
4304 } | |
4305 } | |
4306 else | |
4307 { | |
4308 /* unsigned */ | |
4309 switch (length_modifier) | |
4310 { | |
4311 case '\0': | |
4312 case 'h': | |
449 | 4313 uint_arg = |
4314 # if defined(FEAT_EVAL) | |
1883 | 4315 tvs != NULL ? (unsigned) |
4316 tv_nr(tvs, &arg_idx) : | |
449 | 4317 # endif |
4318 va_arg(ap, unsigned int); | |
272 | 4319 if (uint_arg != 0) |
4320 arg_sign = 1; | |
4321 break; | |
4322 case 'l': | |
449 | 4323 ulong_arg = |
4324 # if defined(FEAT_EVAL) | |
1883 | 4325 tvs != NULL ? (unsigned long) |
4326 tv_nr(tvs, &arg_idx) : | |
449 | 4327 # endif |
4328 va_arg(ap, unsigned long int); | |
272 | 4329 if (ulong_arg != 0) |
4330 arg_sign = 1; | |
4331 break; | |
4332 } | |
4333 } | |
4334 | |
4335 str_arg = tmp; | |
4336 str_arg_l = 0; | |
4337 | |
4338 /* NOTE: | |
4339 * For d, i, u, o, x, and X conversions, if precision is | |
4340 * specified, the '0' flag should be ignored. This is so | |
4341 * with Solaris 2.6, Digital UNIX 4.0, HPUX 10, Linux, | |
4342 * FreeBSD, NetBSD; but not with Perl. | |
4343 */ | |
4344 if (precision_specified) | |
4345 zero_padding = 0; | |
4346 if (fmt_spec == 'd') | |
4347 { | |
4348 if (force_sign && arg_sign >= 0) | |
4349 tmp[str_arg_l++] = space_for_positive ? ' ' : '+'; | |
4350 /* leave negative numbers for sprintf to handle, to | |
4351 * avoid handling tricky cases like (short int)-32768 */ | |
4352 } | |
4353 else if (alternate_form) | |
4354 { | |
4355 if (arg_sign != 0 | |
4356 && (fmt_spec == 'x' || fmt_spec == 'X') ) | |
4357 { | |
4358 tmp[str_arg_l++] = '0'; | |
4359 tmp[str_arg_l++] = fmt_spec; | |
4360 } | |
4361 /* alternate form should have no effect for p | |
4362 * conversion, but ... */ | |
4363 } | |
4364 | |
4365 zero_padding_insertion_ind = str_arg_l; | |
4366 if (!precision_specified) | |
4367 precision = 1; /* default precision is 1 */ | |
4368 if (precision == 0 && arg_sign == 0) | |
4369 { | |
4370 /* When zero value is formatted with an explicit | |
4371 * precision 0, the resulting formatted string is | |
4372 * empty (d, i, u, o, x, X, p). */ | |
4373 } | |
4374 else | |
4375 { | |
4376 char f[5]; | |
4377 int f_l = 0; | |
4378 | |
4379 /* construct a simple format string for sprintf */ | |
4380 f[f_l++] = '%'; | |
4381 if (!length_modifier) | |
4382 ; | |
4383 else if (length_modifier == '2') | |
4384 { | |
4385 f[f_l++] = 'l'; | |
4386 f[f_l++] = 'l'; | |
4387 } | |
4388 else | |
4389 f[f_l++] = length_modifier; | |
4390 f[f_l++] = fmt_spec; | |
4391 f[f_l++] = '\0'; | |
4392 | |
4393 if (fmt_spec == 'p') | |
4394 str_arg_l += sprintf(tmp + str_arg_l, f, ptr_arg); | |
4395 else if (fmt_spec == 'd') | |
4396 { | |
4397 /* signed */ | |
4398 switch (length_modifier) | |
4399 { | |
4400 case '\0': | |
4401 case 'h': str_arg_l += sprintf( | |
4402 tmp + str_arg_l, f, int_arg); | |
4403 break; | |
4404 case 'l': str_arg_l += sprintf( | |
4405 tmp + str_arg_l, f, long_arg); | |
4406 break; | |
4407 } | |
4408 } | |
4409 else | |
4410 { | |
4411 /* unsigned */ | |
4412 switch (length_modifier) | |
4413 { | |
4414 case '\0': | |
4415 case 'h': str_arg_l += sprintf( | |
4416 tmp + str_arg_l, f, uint_arg); | |
4417 break; | |
4418 case 'l': str_arg_l += sprintf( | |
4419 tmp + str_arg_l, f, ulong_arg); | |
4420 break; | |
4421 } | |
4422 } | |
4423 | |
4424 /* include the optional minus sign and possible | |
4425 * "0x" in the region before the zero padding | |
4426 * insertion point */ | |
4427 if (zero_padding_insertion_ind < str_arg_l | |
4428 && tmp[zero_padding_insertion_ind] == '-') | |
4429 zero_padding_insertion_ind++; | |
4430 if (zero_padding_insertion_ind + 1 < str_arg_l | |
4431 && tmp[zero_padding_insertion_ind] == '0' | |
4432 && (tmp[zero_padding_insertion_ind + 1] == 'x' | |
4433 || tmp[zero_padding_insertion_ind + 1] == 'X')) | |
4434 zero_padding_insertion_ind += 2; | |
4435 } | |
4436 | |
4437 { | |
4438 size_t num_of_digits = str_arg_l | |
4439 - zero_padding_insertion_ind; | |
4440 | |
4441 if (alternate_form && fmt_spec == 'o' | |
4442 /* unless zero is already the first | |
4443 * character */ | |
4444 && !(zero_padding_insertion_ind < str_arg_l | |
4445 && tmp[zero_padding_insertion_ind] == '0')) | |
4446 { | |
4447 /* assure leading zero for alternate-form | |
4448 * octal numbers */ | |
4449 if (!precision_specified | |
4450 || precision < num_of_digits + 1) | |
4451 { | |
4452 /* precision is increased to force the | |
4453 * first character to be zero, except if a | |
4454 * zero value is formatted with an | |
4455 * explicit precision of zero */ | |
4456 precision = num_of_digits + 1; | |
4457 precision_specified = 1; | |
4458 } | |
4459 } | |
4460 /* zero padding to specified precision? */ | |
4461 if (num_of_digits < precision) | |
4462 number_of_zeros_to_pad = precision - num_of_digits; | |
4463 } | |
4464 /* zero padding to specified minimal field width? */ | |
4465 if (!justify_left && zero_padding) | |
4466 { | |
835 | 4467 int n = (int)(min_field_width - (str_arg_l |
4468 + number_of_zeros_to_pad)); | |
272 | 4469 if (n > 0) |
4470 number_of_zeros_to_pad += n; | |
4471 } | |
4472 break; | |
4473 } | |
4474 | |
7803
37c929c4a073
commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents:
6949
diff
changeset
|
4475 # ifdef FEAT_FLOAT |
1619 | 4476 case 'f': |
4477 case 'e': | |
4478 case 'E': | |
4479 case 'g': | |
4480 case 'G': | |
4481 { | |
4482 /* Floating point. */ | |
4483 double f; | |
4484 double abs_f; | |
4485 char format[40]; | |
4486 int l; | |
4487 int remove_trailing_zeroes = FALSE; | |
4488 | |
4489 f = | |
4490 # if defined(FEAT_EVAL) | |
4491 tvs != NULL ? tv_float(tvs, &arg_idx) : | |
4492 # endif | |
4493 va_arg(ap, double); | |
4494 abs_f = f < 0 ? -f : f; | |
4495 | |
4496 if (fmt_spec == 'g' || fmt_spec == 'G') | |
4497 { | |
4498 /* Would be nice to use %g directly, but it prints | |
4499 * "1.0" as "1", we don't want that. */ | |
4500 if ((abs_f >= 0.001 && abs_f < 10000000.0) | |
4501 || abs_f == 0.0) | |
4502 fmt_spec = 'f'; | |
4503 else | |
4504 fmt_spec = fmt_spec == 'g' ? 'e' : 'E'; | |
4505 remove_trailing_zeroes = TRUE; | |
4506 } | |
4507 | |
1783 | 4508 if (fmt_spec == 'f' && |
7803
37c929c4a073
commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents:
6949
diff
changeset
|
4509 # ifdef VAX |
1783 | 4510 abs_f > 1.0e38 |
7803
37c929c4a073
commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents:
6949
diff
changeset
|
4511 # else |
1783 | 4512 abs_f > 1.0e307 |
7803
37c929c4a073
commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents:
6949
diff
changeset
|
4513 # endif |
1783 | 4514 ) |
1619 | 4515 { |
4516 /* Avoid a buffer overflow */ | |
4517 strcpy(tmp, "inf"); | |
4518 str_arg_l = 3; | |
4519 } | |
4520 else | |
4521 { | |
4522 format[0] = '%'; | |
4523 l = 1; | |
4524 if (precision_specified) | |
4525 { | |
4526 size_t max_prec = TMP_LEN - 10; | |
4527 | |
4528 /* Make sure we don't get more digits than we | |
4529 * have room for. */ | |
4530 if (fmt_spec == 'f' && abs_f > 1.0) | |
4531 max_prec -= (size_t)log10(abs_f); | |
4532 if (precision > max_prec) | |
4533 precision = max_prec; | |
4534 l += sprintf(format + 1, ".%d", (int)precision); | |
4535 } | |
4536 format[l] = fmt_spec; | |
4537 format[l + 1] = NUL; | |
4538 str_arg_l = sprintf(tmp, format, f); | |
4539 | |
4540 if (remove_trailing_zeroes) | |
4541 { | |
4542 int i; | |
1757 | 4543 char *tp; |
1619 | 4544 |
4545 /* Using %g or %G: remove superfluous zeroes. */ | |
4546 if (fmt_spec == 'f') | |
1757 | 4547 tp = tmp + str_arg_l - 1; |
1619 | 4548 else |
4549 { | |
1757 | 4550 tp = (char *)vim_strchr((char_u *)tmp, |
1619 | 4551 fmt_spec == 'e' ? 'e' : 'E'); |
1757 | 4552 if (tp != NULL) |
1619 | 4553 { |
4554 /* Remove superfluous '+' and leading | |
4555 * zeroes from the exponent. */ | |
1757 | 4556 if (tp[1] == '+') |
1619 | 4557 { |
4558 /* Change "1.0e+07" to "1.0e07" */ | |
1757 | 4559 STRMOVE(tp + 1, tp + 2); |
1619 | 4560 --str_arg_l; |
4561 } | |
1757 | 4562 i = (tp[1] == '-') ? 2 : 1; |
4563 while (tp[i] == '0') | |
1619 | 4564 { |
4565 /* Change "1.0e07" to "1.0e7" */ | |
1757 | 4566 STRMOVE(tp + i, tp + i + 1); |
1619 | 4567 --str_arg_l; |
4568 } | |
1757 | 4569 --tp; |
1619 | 4570 } |
4571 } | |
4572 | |
1757 | 4573 if (tp != NULL && !precision_specified) |
1619 | 4574 /* Remove trailing zeroes, but keep the one |
4575 * just after a dot. */ | |
1757 | 4576 while (tp > tmp + 2 && *tp == '0' |
4577 && tp[-1] != '.') | |
1619 | 4578 { |
1757 | 4579 STRMOVE(tp, tp + 1); |
4580 --tp; | |
1619 | 4581 --str_arg_l; |
4582 } | |
4583 } | |
4584 else | |
4585 { | |
1757 | 4586 char *tp; |
1619 | 4587 |
4588 /* Be consistent: some printf("%e") use 1.0e+12 | |
4589 * and some 1.0e+012. Remove one zero in the last | |
4590 * case. */ | |
1757 | 4591 tp = (char *)vim_strchr((char_u *)tmp, |
1619 | 4592 fmt_spec == 'e' ? 'e' : 'E'); |
1757 | 4593 if (tp != NULL && (tp[1] == '+' || tp[1] == '-') |
4594 && tp[2] == '0' | |
4595 && vim_isdigit(tp[3]) | |
4596 && vim_isdigit(tp[4])) | |
1619 | 4597 { |
1757 | 4598 STRMOVE(tp + 2, tp + 3); |
1619 | 4599 --str_arg_l; |
4600 } | |
4601 } | |
4602 } | |
4603 str_arg = tmp; | |
4604 break; | |
4605 } | |
7803
37c929c4a073
commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents:
6949
diff
changeset
|
4606 # endif |
1619 | 4607 |
272 | 4608 default: |
4609 /* unrecognized conversion specifier, keep format string | |
4610 * as-is */ | |
4611 zero_padding = 0; /* turn zero padding off for non-numeric | |
1189 | 4612 conversion */ |
272 | 4613 justify_left = 1; |
856 | 4614 min_field_width = 0; /* reset flags */ |
272 | 4615 |
4616 /* discard the unrecognized conversion, just keep * | |
856 | 4617 * the unrecognized conversion character */ |
272 | 4618 str_arg = p; |
4619 str_arg_l = 0; | |
4620 if (*p != NUL) | |
4621 str_arg_l++; /* include invalid conversion specifier | |
4622 unchanged if not at end-of-string */ | |
4623 break; | |
4624 } | |
4625 | |
4626 if (*p != NUL) | |
4627 p++; /* step over the just processed conversion specifier */ | |
4628 | |
4629 /* insert padding to the left as requested by min_field_width; | |
4630 * this does not include the zero padding in case of numerical | |
4631 * conversions*/ | |
4632 if (!justify_left) | |
4633 { | |
4634 /* left padding with blank or zero */ | |
835 | 4635 int pn = (int)(min_field_width - (str_arg_l + number_of_zeros_to_pad)); |
275 | 4636 |
4637 if (pn > 0) | |
272 | 4638 { |
4639 if (str_l < str_m) | |
4640 { | |
4641 size_t avail = str_m - str_l; | |
4642 | |
4643 vim_memset(str + str_l, zero_padding ? '0' : ' ', | |
1883 | 4644 (size_t)pn > avail ? avail |
4645 : (size_t)pn); | |
272 | 4646 } |
275 | 4647 str_l += pn; |
272 | 4648 } |
4649 } | |
4650 | |
4651 /* zero padding as requested by the precision or by the minimal | |
4652 * field width for numeric conversions required? */ | |
330 | 4653 if (number_of_zeros_to_pad == 0) |
272 | 4654 { |
4655 /* will not copy first part of numeric right now, * | |
4656 * force it to be copied later in its entirety */ | |
4657 zero_padding_insertion_ind = 0; | |
4658 } | |
4659 else | |
4660 { | |
4661 /* insert first part of numerics (sign or '0x') before zero | |
4662 * padding */ | |
835 | 4663 int zn = (int)zero_padding_insertion_ind; |
275 | 4664 |
4665 if (zn > 0) | |
272 | 4666 { |
4667 if (str_l < str_m) | |
4668 { | |
4669 size_t avail = str_m - str_l; | |
4670 | |
4671 mch_memmove(str + str_l, str_arg, | |
1883 | 4672 (size_t)zn > avail ? avail |
4673 : (size_t)zn); | |
272 | 4674 } |
275 | 4675 str_l += zn; |
272 | 4676 } |
4677 | |
4678 /* insert zero padding as requested by the precision or min | |
4679 * field width */ | |
835 | 4680 zn = (int)number_of_zeros_to_pad; |
275 | 4681 if (zn > 0) |
272 | 4682 { |
4683 if (str_l < str_m) | |
4684 { | |
4685 size_t avail = str_m-str_l; | |
4686 | |
275 | 4687 vim_memset(str + str_l, '0', |
1883 | 4688 (size_t)zn > avail ? avail |
4689 : (size_t)zn); | |
272 | 4690 } |
275 | 4691 str_l += zn; |
272 | 4692 } |
4693 } | |
4694 | |
4695 /* insert formatted string | |
4696 * (or as-is conversion specifier for unknown conversions) */ | |
4697 { | |
835 | 4698 int sn = (int)(str_arg_l - zero_padding_insertion_ind); |
275 | 4699 |
4700 if (sn > 0) | |
272 | 4701 { |
4702 if (str_l < str_m) | |
4703 { | |
4704 size_t avail = str_m - str_l; | |
4705 | |
4706 mch_memmove(str + str_l, | |
4707 str_arg + zero_padding_insertion_ind, | |
1883 | 4708 (size_t)sn > avail ? avail : (size_t)sn); |
272 | 4709 } |
275 | 4710 str_l += sn; |
272 | 4711 } |
4712 } | |
4713 | |
4714 /* insert right padding */ | |
4715 if (justify_left) | |
4716 { | |
4717 /* right blank padding to the field width */ | |
1619 | 4718 int pn = (int)(min_field_width |
4719 - (str_arg_l + number_of_zeros_to_pad)); | |
275 | 4720 |
4721 if (pn > 0) | |
272 | 4722 { |
4723 if (str_l < str_m) | |
4724 { | |
4725 size_t avail = str_m - str_l; | |
4726 | |
275 | 4727 vim_memset(str + str_l, ' ', |
1883 | 4728 (size_t)pn > avail ? avail |
4729 : (size_t)pn); | |
272 | 4730 } |
275 | 4731 str_l += pn; |
272 | 4732 } |
4733 } | |
4734 } | |
4735 } | |
4736 | |
4737 if (str_m > 0) | |
4738 { | |
437 | 4739 /* make sure the string is nul-terminated even at the expense of |
272 | 4740 * overwriting the last character (shouldn't happen, but just in case) |
4741 * */ | |
4742 str[str_l <= str_m - 1 ? str_l : str_m - 1] = '\0'; | |
4743 } | |
4744 | |
482 | 4745 if (tvs != NULL && tvs[arg_idx - 1].v_type != VAR_UNKNOWN) |
449 | 4746 EMSG(_("E767: Too many arguments to printf()")); |
4747 | |
437 | 4748 /* Return the number of characters formatted (excluding trailing nul |
272 | 4749 * character), that is, the number of characters that would have been |
4750 * written to the buffer if it were large enough. */ | |
4751 return (int)str_l; | |
4752 } | |
4753 | |
4754 #endif /* PROTO */ |