2 * Copyright notice from original mutt:
3 * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
4 * Copyright (C) 2000 Edmund Grimley Evans <edmundo@rano.org>
6 * This file is part of mutt-ng, see http://www.muttng.org/.
7 * It's licensed under the GNU General Public License,
8 * please see the file GPL in the top level source directory.
16 #include "mutt_menu.h"
17 #include "mutt_curses.h"
26 /* redraw flags for mutt_enter_string() */
28 M_REDRAW_INIT = 1, /* go to end of line and redraw */
29 M_REDRAW_LINE /* redraw entire line */
32 static int my_wcwidth (wchar_t wc)
36 if (IsWPrint (wc) && n > 0)
45 /* combining mark / non-spacing character */
46 #define COMB_CHAR(wc) (IsWPrint (wc) && !wcwidth (wc))
48 static int my_wcswidth (const wchar_t * s, size_t n)
53 w += my_wcwidth (*s++);
57 static int my_addwch (wchar_t wc)
61 if (IsWPrint (wc) && n > 0)
62 return mutt_addwch (wc);
64 return printw ("^%c", ((int) wc + 0x40) & 0x7f);
66 return printw ("\\u%04x", (int) wc);
67 return printw ("\\u%08x", (int) wc);
70 static size_t width_ceiling (const wchar_t * s, size_t n, int w1)
72 const wchar_t *s0 = s;
76 if ((w += my_wcwidth (*s)) > w1)
81 static void my_wcstombs (char *dest, size_t dlen, const wchar_t * src,
87 /* First convert directly into the destination buffer */
88 memset (&st, 0, sizeof (st));
89 for (; slen && dlen >= MB_LEN_MAX; dest += k, dlen -= k, src++, slen--)
90 if ((k = wcrtomb (dest, *src, &st)) == (size_t) (-1))
93 /* If this works, we can stop now */
94 if (dlen >= MB_LEN_MAX) {
95 wcrtomb (dest, 0, &st);
99 /* Otherwise convert any remaining data into a local buffer */
101 char buf[3 * MB_LEN_MAX];
104 for (; slen && p - buf < dlen; p += k, src++, slen--)
105 if ((k = wcrtomb (p, *src, &st)) == (size_t) (-1))
107 p += wcrtomb (p, 0, &st);
109 /* If it fits into the destination buffer, we can stop now */
110 if (p - buf <= dlen) {
111 memcpy (dest, buf, p - buf);
115 /* Otherwise we truncate the string in an ugly fashion */
116 memcpy (dest, buf, dlen);
117 dest[dlen - 1] = '\0'; /* assume original dlen > 0 */
121 size_t my_mbstowcs (wchar_t ** pwbuf, size_t * pwbuflen, size_t i, char *buf)
129 wbuf = *pwbuf, wbuflen = *pwbuflen;
130 memset (&st, 0, sizeof (st));
131 for (; (k = mbrtowc (&wc, buf, MB_LEN_MAX, &st)) &&
132 k != (size_t) (-1) && k != (size_t) (-2); buf += k) {
135 safe_realloc (&wbuf, wbuflen * sizeof (*wbuf));
139 *pwbuf = wbuf, *pwbuflen = wbuflen;
144 * Replace part of the wchar_t buffer, from FROM to CURPOS, by BUF.
147 static void replace_part (ENTER_STATE * state, size_t from, char *buf)
149 /* Save the suffix */
150 size_t savelen = state->lastchar - state->curpos;
151 wchar_t *savebuf = safe_calloc (savelen, sizeof (wchar_t));
153 memcpy (savebuf, state->wbuf + state->curpos, savelen * sizeof (wchar_t));
155 /* Convert to wide characters */
156 state->curpos = my_mbstowcs (&state->wbuf, &state->wbuflen, from, buf);
158 /* Make space for suffix */
159 if (state->curpos + savelen > state->wbuflen) {
160 state->wbuflen = state->curpos + savelen;
161 safe_realloc (&state->wbuf, state->wbuflen * sizeof (wchar_t));
165 memcpy (state->wbuf + state->curpos, savebuf, savelen * sizeof (wchar_t));
166 state->lastchar = state->curpos + savelen;
173 * 1 need to redraw the screen and call me again
174 * 0 if input was given
178 int mutt_enter_string (char *buf, size_t buflen, int y, int x, int flags)
181 ENTER_STATE *es = mutt_new_enter_state ();
183 rv = _mutt_enter_string (buf, buflen, y, x, flags, 0, NULL, NULL, es);
184 mutt_free_enter_state (&es);
188 int _mutt_enter_string (char *buf, size_t buflen, int y, int x,
189 int flags, int multiple, char ***files, int *numfiles,
192 int width = COLS - x - 1;
194 int pass = (flags & M_PASS);
198 wchar_t *tempbuf = 0;
200 history_class_t hclass;
206 memset (&mbstate, 0, sizeof (mbstate));
209 /* Coming back after return 1 */
210 redraw = M_REDRAW_LINE;
213 /* Initialise wbuf from buf */
215 state->lastchar = my_mbstowcs (&state->wbuf, &state->wbuflen, 0, buf);
216 redraw = M_REDRAW_INIT;
219 if (flags & (M_FILE | M_EFILE))
221 else if (flags & M_CMD)
223 else if (flags & M_ALIAS)
225 else if (flags & M_COMMAND)
227 else if (flags & M_PATTERN)
233 if (redraw && !pass) {
234 if (redraw == M_REDRAW_INIT) {
235 /* Go to end of line */
236 state->curpos = state->lastchar;
238 width_ceiling (state->wbuf, state->lastchar,
239 my_wcswidth (state->wbuf,
240 state->lastchar) - width + 1);
242 if (state->curpos < state->begin ||
243 my_wcswidth (state->wbuf + state->begin,
244 state->curpos - state->begin) >= width)
246 width_ceiling (state->wbuf, state->lastchar,
247 my_wcswidth (state->wbuf,
248 state->curpos) - width / 2);
251 for (i = state->begin; i < state->lastchar; i++) {
252 w += my_wcwidth (state->wbuf[i]);
255 my_addwch (state->wbuf[i]);
259 x + my_wcswidth (state->wbuf + state->begin,
260 state->curpos - state->begin));
264 if ((ch = km_dokey (MENU_EDITOR)) == -1) {
271 if (ch != OP_EDITOR_COMPLETE)
273 redraw = M_REDRAW_LINE;
275 case OP_EDITOR_HISTORY_UP:
276 state->curpos = state->lastchar;
277 replace_part (state, 0, mutt_history_prev (hclass));
278 redraw = M_REDRAW_INIT;
281 case OP_EDITOR_HISTORY_DOWN:
282 state->curpos = state->lastchar;
283 replace_part (state, 0, mutt_history_next (hclass));
284 redraw = M_REDRAW_INIT;
287 case OP_EDITOR_BACKSPACE:
288 if (state->curpos == 0)
292 while (i && COMB_CHAR (state->wbuf[i - 1]))
296 memmove (state->wbuf + i, state->wbuf + state->curpos,
297 (state->lastchar - state->curpos) * sizeof (wchar_t));
298 state->lastchar -= state->curpos - i;
308 redraw = M_REDRAW_INIT;
311 case OP_EDITOR_KILL_LINE:
312 state->curpos = state->lastchar = 0;
315 case OP_EDITOR_KILL_EOL:
316 state->lastchar = state->curpos;
319 case OP_EDITOR_BACKWARD_CHAR:
320 if (state->curpos == 0)
323 while (state->curpos && COMB_CHAR (state->wbuf[state->curpos - 1]))
330 case OP_EDITOR_FORWARD_CHAR:
331 if (state->curpos == state->lastchar)
335 while (state->curpos < state->lastchar
336 && COMB_CHAR (state->wbuf[state->curpos]))
341 case OP_EDITOR_BACKWARD_WORD:
342 if (state->curpos == 0)
345 while (state->curpos && iswspace (state->wbuf[state->curpos - 1]))
347 while (state->curpos && !iswspace (state->wbuf[state->curpos - 1]))
352 case OP_EDITOR_FORWARD_WORD:
353 if (state->curpos == state->lastchar)
356 while (state->curpos < state->lastchar
357 && iswspace (state->wbuf[state->curpos]))
359 while (state->curpos < state->lastchar
360 && !iswspace (state->wbuf[state->curpos]))
365 case OP_EDITOR_CAPITALIZE_WORD:
366 case OP_EDITOR_UPCASE_WORD:
367 case OP_EDITOR_DOWNCASE_WORD:
368 if (state->curpos == state->lastchar) {
372 while (state->curpos && !iswspace (state->wbuf[state->curpos]))
374 while (state->curpos < state->lastchar
375 && iswspace (state->wbuf[state->curpos]))
377 while (state->curpos < state->lastchar
378 && !iswspace (state->wbuf[state->curpos])) {
379 if (ch == OP_EDITOR_DOWNCASE_WORD)
380 state->wbuf[state->curpos] =
381 towlower (state->wbuf[state->curpos]);
383 state->wbuf[state->curpos] =
384 towupper (state->wbuf[state->curpos]);
385 if (ch == OP_EDITOR_CAPITALIZE_WORD)
386 ch = OP_EDITOR_DOWNCASE_WORD;
392 case OP_EDITOR_DELETE_CHAR:
393 if (state->curpos == state->lastchar)
397 while (i < state->lastchar && COMB_CHAR (state->wbuf[i]))
399 if (i < state->lastchar)
401 while (i < state->lastchar && COMB_CHAR (state->wbuf[i]))
403 memmove (state->wbuf + state->curpos, state->wbuf + i,
404 (state->lastchar - i) * sizeof (wchar_t));
405 state->lastchar -= i - state->curpos;
409 case OP_EDITOR_KILL_WORD:
410 /* delete to begining of word */
411 if (state->curpos != 0) {
413 while (i && iswspace (state->wbuf[i - 1]))
416 if (iswalnum (state->wbuf[i - 1])) {
417 for (--i; i && iswalnum (state->wbuf[i - 1]); i--);
422 memmove (state->wbuf + i, state->wbuf + state->curpos,
423 (state->lastchar - state->curpos) * sizeof (wchar_t));
424 state->lastchar += i - state->curpos;
429 case OP_EDITOR_KILL_EOW:
430 /* delete to end of word */
431 for (i = state->curpos;
432 i < state->lastchar && iswspace (state->wbuf[i]); i++);
433 for (; i < state->lastchar && !iswspace (state->wbuf[i]); i++);
434 memmove (state->wbuf + state->curpos, state->wbuf + i,
435 (state->lastchar - i) * sizeof (wchar_t));
436 state->lastchar += state->curpos - i;
439 case OP_EDITOR_BUFFY_CYCLE:
440 if (flags & M_EFILE) {
441 first = 1; /* clear input if user types a real key later */
442 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
443 buffy_next (buf, buflen);
444 state->curpos = state->lastchar =
445 my_mbstowcs (&state->wbuf, &state->wbuflen, 0, buf);
448 else if (!(flags & M_FILE))
450 /* fall through to completion routine (M_FILE) */
452 case OP_EDITOR_COMPLETE:
455 for (i = state->curpos; i && state->wbuf[i - 1] != ' '; i--);
456 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
457 if (tempbuf && templen == state->lastchar - i &&
458 !memcmp (tempbuf, state->wbuf + i,
459 (state->lastchar - i) * sizeof (wchar_t))) {
460 mutt_select_file (buf, buflen,
461 (flags & M_EFILE) ? M_SEL_FOLDER : 0);
462 set_option (OPTNEEDREDRAW);
464 replace_part (state, i, buf);
468 if (!mutt_complete (buf, buflen)) {
469 templen = state->lastchar - i;
470 safe_realloc (&tempbuf, templen * sizeof (wchar_t));
475 replace_part (state, i, buf);
477 else if (flags & M_ALIAS) {
478 /* invoke the alias-menu to get more addresses */
479 for (i = state->curpos; i && state->wbuf[i - 1] != ',' &&
480 state->wbuf[i - 1] != ':'; i--);
481 for (; i < state->lastchar && state->wbuf[i] == ' '; i++);
482 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
483 r = mutt_alias_complete (buf, buflen);
484 replace_part (state, i, buf);
491 else if (flags & M_COMMAND) {
492 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
493 i = safe_strlen (buf);
494 if (i && buf[i - 1] == '=' &&
495 mutt_var_value_complete (buf, buflen, i))
497 else if (!mutt_command_complete (buf, buflen, i, state->tabs))
499 replace_part (state, 0, buf);
501 else if (flags & (M_FILE | M_EFILE)) {
502 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
504 /* see if the path has changed from the last time */
505 if ((!tempbuf && !state->lastchar)
506 || (tempbuf && templen == state->lastchar
507 && !memcmp (tempbuf, state->wbuf,
508 state->lastchar * sizeof (wchar_t)))) {
509 _mutt_select_file (buf, buflen,
510 ((flags & M_EFILE) ? M_SEL_FOLDER : 0) |
511 (multiple ? M_SEL_MULTI : 0), files, numfiles);
512 set_option (OPTNEEDREDRAW);
514 mutt_pretty_mailbox (buf);
516 mutt_history_add (hclass, buf);
521 /* file selection cancelled */
526 if (!mutt_complete (buf, buflen)) {
527 templen = state->lastchar;
528 safe_realloc (&tempbuf, templen * sizeof (wchar_t));
529 memcpy (tempbuf, state->wbuf, templen * sizeof (wchar_t));
532 BEEP (); /* let the user know that nothing matched */
533 replace_part (state, 0, buf);
539 case OP_EDITOR_COMPLETE_QUERY:
540 if (flags & M_ALIAS) {
541 /* invoke the query-menu to get more addresses */
542 if ((i = state->curpos)) {
543 for (; i && state->wbuf[i - 1] != ','; i--);
544 for (; i < state->curpos && state->wbuf[i] == ' '; i++);
547 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
548 mutt_query_complete (buf, buflen);
549 replace_part (state, i, buf);
557 case OP_EDITOR_QUOTE_CHAR:
561 /*ADDCH (LastKey); */
562 event = mutt_getch ();
563 if (event.ch != -1) {
569 case OP_EDITOR_TRANSPOSE_CHARS:
570 if (state->lastchar < 2)
575 if (state->curpos == 0)
577 else if (state->curpos < state->lastchar)
580 t = state->wbuf[state->curpos - 2];
581 state->wbuf[state->curpos - 2] = state->wbuf[state->curpos - 1];
582 state->wbuf[state->curpos - 1] = t;
595 /* use the raw keypress */
598 if ((ch == '#') && (flags & M_LASTFOLDER)) {
600 my_wcstombs (buf, buflen, state->wbuf, state->lastchar);
605 /* treat ENTER the same as RETURN */
610 /* quietly ignore all other function keys */
614 /* gather the octets into a wide character */
620 k = mbrtowc (&wc, &c, 1, &mbstate);
621 if (k == (size_t) (-2))
623 else if (k && k != 1) {
624 memset (&mbstate, 0, sizeof (mbstate));
629 if (first && (flags & M_CLEAR)) {
631 if (IsWPrint (wc)) /* why? */
632 state->curpos = state->lastchar = 0;
635 if (wc == '\r' || wc == '\n') {
636 /* Convert from wide characters */
637 my_wcstombs (buf, buflen, state->wbuf, state->lastchar);
639 mutt_history_add (hclass, buf);
645 tfiles = safe_calloc (*numfiles, sizeof (char *));
646 mutt_expand_path (buf, buflen);
647 tfiles[0] = safe_strdup (buf);
653 else if (wc && (wc < ' ' || IsWPrint (wc))) { /* why? */
654 if (state->lastchar >= state->wbuflen) {
655 state->wbuflen = state->lastchar + 20;
656 safe_realloc (&state->wbuf, state->wbuflen * sizeof (wchar_t));
658 memmove (state->wbuf + state->curpos + 1, state->wbuf + state->curpos,
659 (state->lastchar - state->curpos) * sizeof (wchar_t));
660 state->wbuf[state->curpos++] = wc;
676 void mutt_free_enter_state (ENTER_STATE ** esp)
681 FREE (&(*esp)->wbuf);
687 * very narrow screen might crash it
688 * sort out the input side