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.
17 #include <lib-lib/mem.h>
29 /* redraw flags for mutt_enter_string() */
31 M_REDRAW_INIT = 1, /* go to end of line and redraw */
32 M_REDRAW_LINE /* redraw entire line */
35 static int my_wcwidth (wchar_t wc)
39 if (IsWPrint (wc) && n > 0)
48 /* combining mark / non-spacing character */
49 #define COMB_CHAR(wc) (IsWPrint (wc) && !wcwidth (wc))
51 static int my_wcswidth (const wchar_t * s, size_t n)
56 w += my_wcwidth (*s++);
60 static int my_addwch (wchar_t wc)
64 if (IsWPrint (wc) && n > 0)
65 return mutt_addwch (wc);
67 return printw ("^%c", ((int) wc + 0x40) & 0x7f);
69 return printw ("\\u%04x", (int) wc);
70 return printw ("\\u%08x", (int) wc);
73 static size_t width_ceiling (const wchar_t * s, size_t n, int w1)
75 const wchar_t *s0 = s;
79 if ((w += my_wcwidth (*s)) > w1)
84 static void my_wcstombs (char *dest, ssize_t dlen, const wchar_t * src,
90 /* First convert directly into the destination buffer */
92 for (; slen && dlen >= MB_LEN_MAX; dest += k, dlen -= k, src++, slen--)
93 if ((k = wcrtomb (dest, *src, &st)) == (size_t) (-1))
96 /* If this works, we can stop now */
97 if (dlen >= MB_LEN_MAX) {
98 wcrtomb (dest, 0, &st);
102 /* Otherwise convert any remaining data into a local buffer */
104 char buf[3 * MB_LEN_MAX];
107 for (; slen && p - buf < dlen; p += k, src++, slen--)
108 if ((k = wcrtomb (p, *src, &st)) == (size_t) (-1))
110 p += wcrtomb (p, 0, &st);
112 /* If it fits into the destination buffer, we can stop now */
113 if (p - buf <= dlen) {
114 memcpy (dest, buf, p - buf);
118 /* Otherwise we truncate the string in an ugly fashion */
119 memcpy (dest, buf, dlen);
120 dest[dlen - 1] = '\0'; /* assume original dlen > 0 */
124 size_t my_mbstowcs (wchar_t ** pwbuf, size_t * pwbuflen, size_t i, const char *buf)
132 wbuf = *pwbuf, wbuflen = *pwbuflen;
134 for (; (k = mbrtowc (&wc, buf, MB_LEN_MAX, &st)) &&
135 k != (size_t) (-1) && k != (size_t) (-2); buf += k) {
138 p_realloc(&wbuf, wbuflen);
142 *pwbuf = wbuf, *pwbuflen = wbuflen;
147 * Replace part of the wchar_t buffer, from FROM to CURPOS, by BUF.
150 static void replace_part (ENTER_STATE *state, size_t from, const char *buf)
152 /* Save the suffix */
153 size_t savelen = state->lastchar - state->curpos;
154 wchar_t *savebuf = p_new(wchar_t, savelen);
156 memcpy (savebuf, state->wbuf + state->curpos, savelen * sizeof (wchar_t));
158 /* Convert to wide characters */
159 state->curpos = my_mbstowcs(&state->wbuf, &state->wbuflen, from, buf);
161 /* Make space for suffix */
162 if (state->curpos + savelen > state->wbuflen) {
163 state->wbuflen = state->curpos + savelen;
164 p_realloc(&state->wbuf, state->wbuflen);
168 memcpy (state->wbuf + state->curpos, savebuf, savelen * sizeof (wchar_t));
169 state->lastchar = state->curpos + savelen;
176 * 1 need to redraw the screen and call me again
177 * 0 if input was given
181 int mutt_enter_string (char *buf, size_t buflen, int y, int x, int flags)
184 ENTER_STATE *es = mutt_new_enter_state ();
186 rv = _mutt_enter_string (buf, buflen, y, x, flags, 0, NULL, NULL, es);
187 mutt_free_enter_state (&es);
191 int _mutt_enter_string (char *buf, size_t buflen, int y, int x,
192 int flags, int multiple, char ***files, int *numfiles,
195 int width = COLS - x - 1;
197 int pass = (flags & M_PASS);
201 wchar_t *tempbuf = 0;
203 history_class_t hclass;
209 p_clear(&mbstate, 1);
212 /* Coming back after return 1 */
213 redraw = M_REDRAW_LINE;
216 /* Initialise wbuf from buf */
218 state->lastchar = my_mbstowcs (&state->wbuf, &state->wbuflen, 0, buf);
219 redraw = M_REDRAW_INIT;
222 if (flags & (M_FILE | M_EFILE))
224 else if (flags & M_CMD)
226 else if (flags & M_ALIAS)
228 else if (flags & M_COMMAND)
230 else if (flags & M_PATTERN)
236 if (redraw && !pass) {
237 if (redraw == M_REDRAW_INIT) {
238 /* Go to end of line */
239 state->curpos = state->lastchar;
241 width_ceiling (state->wbuf, state->lastchar,
242 my_wcswidth (state->wbuf,
243 state->lastchar) - width + 1);
245 if (state->curpos < state->begin ||
246 my_wcswidth (state->wbuf + state->begin,
247 state->curpos - state->begin) >= width)
249 width_ceiling (state->wbuf, state->lastchar,
250 my_wcswidth (state->wbuf,
251 state->curpos) - width / 2);
254 for (i = state->begin; i < state->lastchar; i++) {
255 w += my_wcwidth (state->wbuf[i]);
258 my_addwch (state->wbuf[i]);
262 x + my_wcswidth (state->wbuf + state->begin,
263 state->curpos - state->begin));
267 if ((ch = km_dokey (MENU_EDITOR)) == -1) {
274 if (ch != OP_EDITOR_COMPLETE && ch != OP_EDITOR_COMPLETE_QUERY)
276 redraw = M_REDRAW_LINE;
278 case OP_EDITOR_HISTORY_UP:
279 state->curpos = state->lastchar;
280 replace_part(state, 0, mutt_history_prev(hclass));
281 redraw = M_REDRAW_INIT;
284 case OP_EDITOR_HISTORY_DOWN:
285 state->curpos = state->lastchar;
286 replace_part(state, 0, mutt_history_next(hclass));
287 redraw = M_REDRAW_INIT;
290 case OP_EDITOR_BACKSPACE:
291 if (state->curpos == 0)
295 while (i && COMB_CHAR (state->wbuf[i - 1]))
299 memmove (state->wbuf + i, state->wbuf + state->curpos,
300 (state->lastchar - state->curpos) * sizeof (wchar_t));
301 state->lastchar -= state->curpos - i;
311 redraw = M_REDRAW_INIT;
314 case OP_EDITOR_KILL_LINE:
315 state->curpos = state->lastchar = 0;
318 case OP_EDITOR_KILL_EOL:
319 state->lastchar = state->curpos;
322 case OP_EDITOR_BACKWARD_CHAR:
323 if (state->curpos == 0)
326 while (state->curpos && COMB_CHAR (state->wbuf[state->curpos - 1]))
333 case OP_EDITOR_FORWARD_CHAR:
334 if (state->curpos == state->lastchar)
338 while (state->curpos < state->lastchar
339 && COMB_CHAR (state->wbuf[state->curpos]))
344 case OP_EDITOR_BACKWARD_WORD:
345 if (state->curpos == 0)
348 while (state->curpos && iswspace (state->wbuf[state->curpos - 1]))
350 while (state->curpos && !iswspace (state->wbuf[state->curpos - 1]))
355 case OP_EDITOR_FORWARD_WORD:
356 if (state->curpos == state->lastchar)
359 while (state->curpos < state->lastchar
360 && iswspace (state->wbuf[state->curpos]))
362 while (state->curpos < state->lastchar
363 && !iswspace (state->wbuf[state->curpos]))
368 case OP_EDITOR_CAPITALIZE_WORD:
369 case OP_EDITOR_UPCASE_WORD:
370 case OP_EDITOR_DOWNCASE_WORD:
371 if (state->curpos == state->lastchar) {
375 while (state->curpos && !iswspace (state->wbuf[state->curpos]))
377 while (state->curpos < state->lastchar
378 && iswspace (state->wbuf[state->curpos]))
380 while (state->curpos < state->lastchar
381 && !iswspace (state->wbuf[state->curpos])) {
382 if (ch == OP_EDITOR_DOWNCASE_WORD)
383 state->wbuf[state->curpos] =
384 towlower (state->wbuf[state->curpos]);
386 state->wbuf[state->curpos] =
387 towupper (state->wbuf[state->curpos]);
388 if (ch == OP_EDITOR_CAPITALIZE_WORD)
389 ch = OP_EDITOR_DOWNCASE_WORD;
395 case OP_EDITOR_DELETE_CHAR:
396 if (state->curpos == state->lastchar)
400 while (i < state->lastchar && COMB_CHAR (state->wbuf[i]))
402 if (i < state->lastchar)
404 while (i < state->lastchar && COMB_CHAR (state->wbuf[i]))
406 memmove (state->wbuf + state->curpos, state->wbuf + i,
407 (state->lastchar - i) * sizeof (wchar_t));
408 state->lastchar -= i - state->curpos;
412 case OP_EDITOR_KILL_WORD:
413 /* delete to begining of word */
414 if (state->curpos != 0) {
416 while (i && iswspace (state->wbuf[i - 1]))
419 if (iswalnum (state->wbuf[i - 1])) {
420 for (--i; i && iswalnum (state->wbuf[i - 1]); i--);
425 memmove (state->wbuf + i, state->wbuf + state->curpos,
426 (state->lastchar - state->curpos) * sizeof (wchar_t));
427 state->lastchar += i - state->curpos;
432 case OP_EDITOR_KILL_EOW:
433 /* delete to end of word */
434 for (i = state->curpos;
435 i < state->lastchar && iswspace (state->wbuf[i]); i++);
436 for (; i < state->lastchar && !iswspace (state->wbuf[i]); i++);
437 memmove (state->wbuf + state->curpos, state->wbuf + i,
438 (state->lastchar - i) * sizeof (wchar_t));
439 state->lastchar += state->curpos - i;
442 case OP_EDITOR_BUFFY_CYCLE:
443 if (flags & M_EFILE) {
444 first = 1; /* clear input if user types a real key later */
445 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
446 buffy_next (buf, buflen);
447 state->curpos = state->lastchar =
448 my_mbstowcs (&state->wbuf, &state->wbuflen, 0, buf);
451 else if (!(flags & M_FILE))
453 /* fall through to completion routine (M_FILE) */
455 case OP_EDITOR_COMPLETE:
456 case OP_EDITOR_COMPLETE_QUERY:
459 for (i = state->curpos; i && state->wbuf[i - 1] != ' '; i--);
460 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
461 if (tempbuf && templen == state->lastchar - i &&
462 !memcmp (tempbuf, state->wbuf + i,
463 (state->lastchar - i) * sizeof (wchar_t))) {
464 mutt_select_file (buf, buflen,
465 (flags & M_EFILE) ? M_SEL_FOLDER : 0);
466 set_option (OPTNEEDREDRAW);
468 replace_part (state, i, buf);
472 if (!mutt_complete (buf, buflen)) {
473 templen = state->lastchar - i;
474 p_realloc(&tempbuf, templen);
479 replace_part (state, i, buf);
481 else if (flags & M_ALIAS && ch == OP_EDITOR_COMPLETE) {
482 /* invoke the alias-menu to get more addresses */
483 for (i = state->curpos; i && state->wbuf[i - 1] != ',' &&
484 state->wbuf[i - 1] != ':'; i--);
485 for (; i < state->lastchar && state->wbuf[i] == ' '; i++);
486 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
487 r = mutt_alias_complete (buf, buflen);
488 replace_part (state, i, buf);
494 } else if (flags & M_ALIAS && ch == OP_EDITOR_COMPLETE_QUERY) {
495 /* invoke the query-menu to get more addresses */
496 if ((i = state->curpos)) {
497 for (; i && state->wbuf[i - 1] != ','; i--);
498 for (; i < state->curpos && state->wbuf[i] == ' '; i++);
500 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
501 mutt_query_complete (buf, buflen);
502 replace_part (state, i, buf);
505 } else if (flags & M_COMMAND) {
506 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
508 if (i && buf[i - 1] == '=' &&
509 mutt_var_value_complete (buf, buflen, i))
511 else if (!mutt_command_complete (buf, buflen, i, state->tabs))
513 replace_part (state, 0, buf);
515 else if (flags & (M_FILE | M_EFILE)) {
516 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
518 /* see if the path has changed from the last time */
519 if ((!tempbuf && !state->lastchar)
520 || (tempbuf && templen == state->lastchar
521 && !memcmp (tempbuf, state->wbuf,
522 state->lastchar * sizeof (wchar_t)))) {
523 _mutt_select_file (buf, buflen,
524 ((flags & M_EFILE) ? M_SEL_FOLDER : 0) |
525 (multiple ? M_SEL_MULTI : 0), files, numfiles);
526 set_option (OPTNEEDREDRAW);
528 mutt_pretty_mailbox (buf);
530 mutt_history_add (hclass, buf);
535 /* file selection cancelled */
540 if (!mutt_complete (buf, buflen)) {
541 templen = state->lastchar;
542 p_realloc(&tempbuf, templen);
543 memcpy (tempbuf, state->wbuf, templen * sizeof (wchar_t));
546 BEEP (); /* let the user know that nothing matched */
547 replace_part (state, 0, buf);
553 case OP_EDITOR_QUOTE_CHAR:
557 /*ADDCH (LastKey); */
558 event = mutt_getch ();
559 if (event.ch != -1) {
565 case OP_EDITOR_TRANSPOSE_CHARS:
566 if (state->lastchar < 2)
571 if (state->curpos == 0)
573 else if (state->curpos < state->lastchar)
576 t = state->wbuf[state->curpos - 2];
577 state->wbuf[state->curpos - 2] = state->wbuf[state->curpos - 1];
578 state->wbuf[state->curpos - 1] = t;
591 /* use the raw keypress */
594 if ((ch == '#') && (flags & M_LASTFOLDER)) {
596 my_wcstombs (buf, buflen, state->wbuf, state->lastchar);
601 /* treat ENTER the same as RETURN */
606 /* quietly ignore all other function keys */
610 /* gather the octets into a wide character */
616 k = mbrtowc (&wc, &c, 1, &mbstate);
617 if (k == (size_t) (-2))
619 else if (k && k != 1) {
620 p_clear(&mbstate, 1);
625 if (first && (flags & M_CLEAR)) {
627 if (IsWPrint (wc)) /* why? */
628 state->curpos = state->lastchar = 0;
631 if (wc == '\r' || wc == '\n') {
632 /* Convert from wide characters */
633 my_wcstombs (buf, buflen, state->wbuf, state->lastchar);
635 mutt_history_add (hclass, buf);
641 tfiles = p_new(char *, *numfiles);
642 mutt_expand_path (buf, buflen);
643 tfiles[0] = m_strdup(buf);
649 else if (wc && (wc < ' ' || IsWPrint (wc))) { /* why? */
650 if (state->lastchar >= state->wbuflen) {
651 state->wbuflen = state->lastchar + 20;
652 p_realloc(&state->wbuf, state->wbuflen);
654 memmove (state->wbuf + state->curpos + 1, state->wbuf + state->curpos,
655 (state->lastchar - state->curpos) * sizeof (wchar_t));
656 state->wbuf[state->curpos++] = wc;
672 void mutt_free_enter_state (ENTER_STATE ** esp)
677 p_delete(&(*esp)->wbuf);
683 * very narrow screen might crash it
684 * sort out the input side