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.
18 #include <lib-lib/mem.h>
30 /* redraw flags for mutt_enter_string() */
32 M_REDRAW_INIT = 1, /* go to end of line and redraw */
33 M_REDRAW_LINE /* redraw entire line */
36 static int my_wcwidth (wchar_t wc)
40 if (IsWPrint (wc) && n > 0)
49 /* combining mark / non-spacing character */
50 #define COMB_CHAR(wc) (IsWPrint (wc) && !wcwidth (wc))
52 static int my_wcswidth (const wchar_t * s, size_t n)
57 w += my_wcwidth (*s++);
61 static int my_addwch (wchar_t wc)
65 if (IsWPrint (wc) && n > 0)
66 return mutt_addwch (wc);
68 return printw ("^%c", ((int) wc + 0x40) & 0x7f);
70 return printw ("\\u%04x", (int) wc);
71 return printw ("\\u%08x", (int) wc);
74 static size_t width_ceiling (const wchar_t * s, size_t n, int w1)
76 const wchar_t *s0 = s;
80 if ((w += my_wcwidth (*s)) > w1)
85 static void my_wcstombs (char *dest, ssize_t dlen, const wchar_t * src,
91 /* First convert directly into the destination buffer */
93 for (; slen && dlen >= MB_LEN_MAX; dest += k, dlen -= k, src++, slen--)
94 if ((k = wcrtomb (dest, *src, &st)) == (size_t) (-1))
97 /* If this works, we can stop now */
98 if (dlen >= MB_LEN_MAX) {
99 wcrtomb (dest, 0, &st);
103 /* Otherwise convert any remaining data into a local buffer */
105 char buf[3 * MB_LEN_MAX];
108 for (; slen && p - buf < dlen; p += k, src++, slen--)
109 if ((k = wcrtomb (p, *src, &st)) == (size_t) (-1))
111 p += wcrtomb (p, 0, &st);
113 /* If it fits into the destination buffer, we can stop now */
114 if (p - buf <= dlen) {
115 memcpy (dest, buf, p - buf);
119 /* Otherwise we truncate the string in an ugly fashion */
120 memcpy (dest, buf, dlen);
121 dest[dlen - 1] = '\0'; /* assume original dlen > 0 */
125 size_t my_mbstowcs (wchar_t ** pwbuf, size_t * pwbuflen, size_t i, const char *buf)
133 wbuf = *pwbuf, wbuflen = *pwbuflen;
135 for (; (k = mbrtowc (&wc, buf, MB_LEN_MAX, &st)) &&
136 k != (size_t) (-1) && k != (size_t) (-2); buf += k) {
139 p_realloc(&wbuf, wbuflen);
143 *pwbuf = wbuf, *pwbuflen = wbuflen;
148 * Replace part of the wchar_t buffer, from FROM to CURPOS, by BUF.
151 static void replace_part (ENTER_STATE *state, size_t from, const char *buf)
153 /* Save the suffix */
154 size_t savelen = state->lastchar - state->curpos;
155 wchar_t *savebuf = p_new(wchar_t, savelen);
157 memcpy (savebuf, state->wbuf + state->curpos, savelen * sizeof (wchar_t));
159 /* Convert to wide characters */
160 state->curpos = my_mbstowcs(&state->wbuf, &state->wbuflen, from, buf);
162 /* Make space for suffix */
163 if (state->curpos + savelen > state->wbuflen) {
164 state->wbuflen = state->curpos + savelen;
165 p_realloc(&state->wbuf, state->wbuflen);
169 memcpy (state->wbuf + state->curpos, savebuf, savelen * sizeof (wchar_t));
170 state->lastchar = state->curpos + savelen;
177 * 1 need to redraw the screen and call me again
178 * 0 if input was given
182 int mutt_enter_string (char *buf, size_t buflen, int y, int x, int flags)
185 ENTER_STATE *es = mutt_new_enter_state ();
187 rv = _mutt_enter_string (buf, buflen, y, x, flags, 0, NULL, NULL, es);
188 mutt_free_enter_state (&es);
192 int _mutt_enter_string (char *buf, size_t buflen, int y, int x,
193 int flags, int multiple, char ***files, int *numfiles,
196 int width = COLS - x - 1;
198 int pass = (flags & M_PASS);
202 wchar_t *tempbuf = 0;
204 history_class_t hclass;
210 p_clear(&mbstate, 1);
213 /* Coming back after return 1 */
214 redraw = M_REDRAW_LINE;
217 /* Initialise wbuf from buf */
219 state->lastchar = my_mbstowcs (&state->wbuf, &state->wbuflen, 0, buf);
220 redraw = M_REDRAW_INIT;
223 if (flags & (M_FILE | M_EFILE))
225 else if (flags & M_CMD)
227 else if (flags & M_ALIAS)
229 else if (flags & M_COMMAND)
231 else if (flags & M_PATTERN)
237 if (redraw && !pass) {
238 if (redraw == M_REDRAW_INIT) {
239 /* Go to end of line */
240 state->curpos = state->lastchar;
242 width_ceiling (state->wbuf, state->lastchar,
243 my_wcswidth (state->wbuf,
244 state->lastchar) - width + 1);
246 if (state->curpos < state->begin ||
247 my_wcswidth (state->wbuf + state->begin,
248 state->curpos - state->begin) >= width)
250 width_ceiling (state->wbuf, state->lastchar,
251 my_wcswidth (state->wbuf,
252 state->curpos) - width / 2);
255 for (i = state->begin; i < state->lastchar; i++) {
256 w += my_wcwidth (state->wbuf[i]);
259 my_addwch (state->wbuf[i]);
263 x + my_wcswidth (state->wbuf + state->begin,
264 state->curpos - state->begin));
268 if ((ch = km_dokey (MENU_EDITOR)) == -1) {
275 if (ch != OP_EDITOR_COMPLETE && ch != OP_EDITOR_COMPLETE_QUERY)
277 redraw = M_REDRAW_LINE;
279 case OP_EDITOR_HISTORY_UP:
280 state->curpos = state->lastchar;
281 replace_part(state, 0, mutt_history_prev(hclass));
282 redraw = M_REDRAW_INIT;
285 case OP_EDITOR_HISTORY_DOWN:
286 state->curpos = state->lastchar;
287 replace_part(state, 0, mutt_history_next(hclass));
288 redraw = M_REDRAW_INIT;
291 case OP_EDITOR_BACKSPACE:
292 if (state->curpos == 0)
296 while (i && COMB_CHAR (state->wbuf[i - 1]))
300 memmove (state->wbuf + i, state->wbuf + state->curpos,
301 (state->lastchar - state->curpos) * sizeof (wchar_t));
302 state->lastchar -= state->curpos - i;
312 redraw = M_REDRAW_INIT;
315 case OP_EDITOR_KILL_LINE:
316 state->curpos = state->lastchar = 0;
319 case OP_EDITOR_KILL_EOL:
320 state->lastchar = state->curpos;
323 case OP_EDITOR_BACKWARD_CHAR:
324 if (state->curpos == 0)
327 while (state->curpos && COMB_CHAR (state->wbuf[state->curpos - 1]))
334 case OP_EDITOR_FORWARD_CHAR:
335 if (state->curpos == state->lastchar)
339 while (state->curpos < state->lastchar
340 && COMB_CHAR (state->wbuf[state->curpos]))
345 case OP_EDITOR_BACKWARD_WORD:
346 if (state->curpos == 0)
349 while (state->curpos && iswspace (state->wbuf[state->curpos - 1]))
351 while (state->curpos && !iswspace (state->wbuf[state->curpos - 1]))
356 case OP_EDITOR_FORWARD_WORD:
357 if (state->curpos == state->lastchar)
360 while (state->curpos < state->lastchar
361 && iswspace (state->wbuf[state->curpos]))
363 while (state->curpos < state->lastchar
364 && !iswspace (state->wbuf[state->curpos]))
369 case OP_EDITOR_CAPITALIZE_WORD:
370 case OP_EDITOR_UPCASE_WORD:
371 case OP_EDITOR_DOWNCASE_WORD:
372 if (state->curpos == state->lastchar) {
376 while (state->curpos && !iswspace (state->wbuf[state->curpos]))
378 while (state->curpos < state->lastchar
379 && iswspace (state->wbuf[state->curpos]))
381 while (state->curpos < state->lastchar
382 && !iswspace (state->wbuf[state->curpos])) {
383 if (ch == OP_EDITOR_DOWNCASE_WORD)
384 state->wbuf[state->curpos] =
385 towlower (state->wbuf[state->curpos]);
387 state->wbuf[state->curpos] =
388 towupper (state->wbuf[state->curpos]);
389 if (ch == OP_EDITOR_CAPITALIZE_WORD)
390 ch = OP_EDITOR_DOWNCASE_WORD;
396 case OP_EDITOR_DELETE_CHAR:
397 if (state->curpos == state->lastchar)
401 while (i < state->lastchar && COMB_CHAR (state->wbuf[i]))
403 if (i < state->lastchar)
405 while (i < state->lastchar && COMB_CHAR (state->wbuf[i]))
407 memmove (state->wbuf + state->curpos, state->wbuf + i,
408 (state->lastchar - i) * sizeof (wchar_t));
409 state->lastchar -= i - state->curpos;
413 case OP_EDITOR_KILL_WORD:
414 /* delete to begining of word */
415 if (state->curpos != 0) {
417 while (i && iswspace (state->wbuf[i - 1]))
420 if (iswalnum (state->wbuf[i - 1])) {
421 for (--i; i && iswalnum (state->wbuf[i - 1]); i--);
426 memmove (state->wbuf + i, state->wbuf + state->curpos,
427 (state->lastchar - state->curpos) * sizeof (wchar_t));
428 state->lastchar += i - state->curpos;
433 case OP_EDITOR_KILL_EOW:
434 /* delete to end of word */
435 for (i = state->curpos;
436 i < state->lastchar && iswspace (state->wbuf[i]); i++);
437 for (; i < state->lastchar && !iswspace (state->wbuf[i]); i++);
438 memmove (state->wbuf + state->curpos, state->wbuf + i,
439 (state->lastchar - i) * sizeof (wchar_t));
440 state->lastchar += state->curpos - i;
443 case OP_EDITOR_BUFFY_CYCLE:
444 if (flags & M_EFILE) {
445 first = 1; /* clear input if user types a real key later */
446 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
447 buffy_next (buf, buflen);
448 state->curpos = state->lastchar =
449 my_mbstowcs (&state->wbuf, &state->wbuflen, 0, buf);
452 else if (!(flags & M_FILE))
454 /* fall through to completion routine (M_FILE) */
456 case OP_EDITOR_COMPLETE:
457 case OP_EDITOR_COMPLETE_QUERY:
460 for (i = state->curpos; i && state->wbuf[i - 1] != ' '; i--);
461 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
462 if (tempbuf && templen == state->lastchar - i &&
463 !memcmp (tempbuf, state->wbuf + i,
464 (state->lastchar - i) * sizeof (wchar_t))) {
465 mutt_select_file (buf, buflen,
466 (flags & M_EFILE) ? M_SEL_FOLDER : 0);
467 set_option (OPTNEEDREDRAW);
469 replace_part (state, i, buf);
473 if (!mutt_complete (buf, buflen)) {
474 templen = state->lastchar - i;
475 p_realloc(&tempbuf, templen);
480 replace_part (state, i, buf);
482 else if (flags & M_ALIAS && ch == OP_EDITOR_COMPLETE) {
483 /* invoke the alias-menu to get more addresses */
484 for (i = state->curpos; i && state->wbuf[i - 1] != ',' &&
485 state->wbuf[i - 1] != ':'; i--);
486 for (; i < state->lastchar && state->wbuf[i] == ' '; i++);
487 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
488 r = mutt_alias_complete (buf, buflen);
489 replace_part (state, i, buf);
495 } else if (flags & M_ALIAS && ch == OP_EDITOR_COMPLETE_QUERY) {
496 /* invoke the query-menu to get more addresses */
497 if ((i = state->curpos)) {
498 for (; i && state->wbuf[i - 1] != ','; i--);
499 for (; i < state->curpos && state->wbuf[i] == ' '; i++);
501 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
502 mutt_query_complete (buf, buflen);
503 replace_part (state, i, buf);
506 } else if (flags & M_COMMAND) {
507 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
509 if (i && buf[i - 1] == '=' &&
510 mutt_var_value_complete (buf, buflen, i))
512 else if (!mutt_command_complete (buf, buflen, i, state->tabs))
514 replace_part (state, 0, buf);
516 else if (flags & (M_FILE | M_EFILE)) {
517 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
519 /* see if the path has changed from the last time */
520 if ((!tempbuf && !state->lastchar)
521 || (tempbuf && templen == state->lastchar
522 && !memcmp (tempbuf, state->wbuf,
523 state->lastchar * sizeof (wchar_t)))) {
524 _mutt_select_file (buf, buflen,
525 ((flags & M_EFILE) ? M_SEL_FOLDER : 0) |
526 (multiple ? M_SEL_MULTI : 0), files, numfiles);
527 set_option (OPTNEEDREDRAW);
529 mutt_pretty_mailbox (buf);
531 mutt_history_add (hclass, buf);
536 /* file selection cancelled */
541 if (!mutt_complete (buf, buflen)) {
542 templen = state->lastchar;
543 p_realloc(&tempbuf, templen);
544 memcpy (tempbuf, state->wbuf, templen * sizeof (wchar_t));
547 BEEP (); /* let the user know that nothing matched */
548 replace_part (state, 0, buf);
554 case OP_EDITOR_QUOTE_CHAR:
558 /*ADDCH (LastKey); */
559 event = mutt_getch ();
560 if (event.ch != -1) {
566 case OP_EDITOR_TRANSPOSE_CHARS:
567 if (state->lastchar < 2)
572 if (state->curpos == 0)
574 else if (state->curpos < state->lastchar)
577 t = state->wbuf[state->curpos - 2];
578 state->wbuf[state->curpos - 2] = state->wbuf[state->curpos - 1];
579 state->wbuf[state->curpos - 1] = t;
592 /* use the raw keypress */
595 if ((ch == '#') && (flags & M_LASTFOLDER)) {
597 my_wcstombs (buf, buflen, state->wbuf, state->lastchar);
602 /* treat ENTER the same as RETURN */
607 /* quietly ignore all other function keys */
611 /* gather the octets into a wide character */
617 k = mbrtowc (&wc, &c, 1, &mbstate);
618 if (k == (size_t) (-2))
620 else if (k && k != 1) {
621 p_clear(&mbstate, 1);
626 if (first && (flags & M_CLEAR)) {
628 if (IsWPrint (wc)) /* why? */
629 state->curpos = state->lastchar = 0;
632 if (wc == '\r' || wc == '\n') {
633 /* Convert from wide characters */
634 my_wcstombs (buf, buflen, state->wbuf, state->lastchar);
636 mutt_history_add (hclass, buf);
642 tfiles = p_new(char *, *numfiles);
643 mutt_expand_path (buf, buflen);
644 tfiles[0] = m_strdup(buf);
650 else if (wc && (wc < ' ' || IsWPrint (wc))) { /* why? */
651 if (state->lastchar >= state->wbuflen) {
652 state->wbuflen = state->lastchar + 20;
653 p_realloc(&state->wbuf, state->wbuflen);
655 memmove (state->wbuf + state->curpos + 1, state->wbuf + state->curpos,
656 (state->lastchar - state->curpos) * sizeof (wchar_t));
657 state->wbuf[state->curpos++] = wc;
673 void mutt_free_enter_state (ENTER_STATE ** esp)
678 p_delete(&(*esp)->wbuf);
684 * very narrow screen might crash it
685 * sort out the input side