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.
11 #include <lib-ui/lib-ui.h>
22 /* redraw flags for mutt_enter_string() */
24 M_REDRAW_INIT = 1, /* go to end of line and redraw */
25 M_REDRAW_LINE /* redraw entire line */
28 static int my_wcwidth (wchar_t wc)
32 if (iswprint(wc) && n > 0)
41 /* combining mark / non-spacing character */
42 #define COMB_CHAR(wc) (iswprint(wc) && !wcwidth(wc))
44 static int my_wcswidth (const wchar_t * s, size_t n)
49 w += my_wcwidth (*s++);
53 static int my_addwch (wchar_t wc)
57 if (iswprint(wc) && n > 0)
58 return waddwch(stdscr, wc);
60 return wprintw (stdscr, "^%c", ((int) wc + 0x40) & 0x7f);
62 return wprintw (stdscr, "\\u%04x", (int) wc);
63 return wprintw (stdscr, "\\u%08x", (int) wc);
66 static size_t width_ceiling (const wchar_t * s, size_t n, int w1)
68 const wchar_t *s0 = s;
72 if ((w += my_wcwidth (*s)) > w1)
77 static void my_wcstombs (char *dest, ssize_t dlen, const wchar_t * src,
83 /* First convert directly into the destination buffer */
85 for (; slen && dlen >= MB_LEN_MAX; dest += k, dlen -= k, src++, slen--)
86 if ((k = wcrtomb (dest, *src, &st)) == (size_t) (-1))
89 /* If this works, we can stop now */
90 if (dlen >= MB_LEN_MAX) {
91 wcrtomb (dest, 0, &st);
95 /* Otherwise convert any remaining data into a local buffer */
97 char buf[3 * MB_LEN_MAX];
100 for (; slen && p - buf < dlen; p += k, src++, slen--)
101 if ((k = wcrtomb (p, *src, &st)) == (size_t) (-1))
103 p += wcrtomb (p, 0, &st);
105 /* If it fits into the destination buffer, we can stop now */
106 if (p - buf <= dlen) {
107 memcpy (dest, buf, p - buf);
111 /* Otherwise we truncate the string in an ugly fashion */
112 memcpy (dest, buf, dlen);
113 dest[dlen - 1] = '\0'; /* assume original dlen > 0 */
117 static size_t my_mbstowcs (wchar_t ** pwbuf, size_t * pwbuflen, size_t i, const char *buf)
125 wbuf = *pwbuf, wbuflen = *pwbuflen;
127 for (; (k = mbrtowc (&wc, buf, MB_LEN_MAX, &st)) &&
128 k != (size_t) (-1) && k != (size_t) (-2); buf += k) {
131 p_realloc(&wbuf, wbuflen);
135 *pwbuf = wbuf, *pwbuflen = wbuflen;
140 * Replace part of the wchar_t buffer, from FROM to CURPOS, by BUF.
143 static void replace_part (ENTER_STATE *state, size_t from, const char *buf)
145 /* Save the suffix */
146 size_t savelen = state->lastchar - state->curpos;
147 wchar_t *savebuf = p_new(wchar_t, savelen);
149 memcpy (savebuf, state->wbuf + state->curpos, savelen * sizeof (wchar_t));
151 /* Convert to wide characters */
152 state->curpos = my_mbstowcs(&state->wbuf, &state->wbuflen, from, buf);
154 /* Make space for suffix */
155 if (state->curpos + savelen > state->wbuflen) {
156 state->wbuflen = state->curpos + savelen;
157 p_realloc(&state->wbuf, state->wbuflen);
161 memcpy (state->wbuf + state->curpos, savebuf, savelen * sizeof (wchar_t));
162 state->lastchar = state->curpos + savelen;
167 int mutt_enter_string (char *buf, size_t buflen, int y, int x,
168 int flags, int multiple, char ***files, int *numfiles,
171 int width = COLS - x - 1;
173 int pass = (flags & M_PASS);
177 wchar_t *tempbuf = 0;
179 history_class_t hclass;
185 p_clear(&mbstate, 1);
188 /* Coming back after return 1 */
189 redraw = M_REDRAW_LINE;
192 /* Initialise wbuf from buf */
194 state->lastchar = my_mbstowcs (&state->wbuf, &state->wbuflen, 0, buf);
195 redraw = M_REDRAW_INIT;
198 if (flags & (M_FILE | M_EFILE))
200 else if (flags & M_CMD)
202 else if (flags & M_ALIAS)
204 else if (flags & M_COMMAND)
206 else if (flags & M_PATTERN)
212 if (redraw && !pass) {
213 if (redraw == M_REDRAW_INIT) {
214 /* Go to end of line */
215 state->curpos = state->lastchar;
217 width_ceiling (state->wbuf, state->lastchar,
218 my_wcswidth (state->wbuf,
219 state->lastchar) - width + 1);
221 if (state->curpos < state->begin ||
222 my_wcswidth (state->wbuf + state->begin,
223 state->curpos - state->begin) >= width)
225 width_ceiling (state->wbuf, state->lastchar,
226 my_wcswidth (state->wbuf,
227 state->curpos) - width / 2);
228 wmove (stdscr, y, x);
230 for (i = state->begin; i < state->lastchar; i++) {
231 w += my_wcwidth (state->wbuf[i]);
234 my_addwch (state->wbuf[i]);
238 x + my_wcswidth (state->wbuf + state->begin,
239 state->curpos - state->begin));
243 if ((ch = km_dokey (MENU_EDITOR)) == -1) {
250 if (ch != OP_EDITOR_COMPLETE && ch != OP_EDITOR_COMPLETE_QUERY)
252 redraw = M_REDRAW_LINE;
254 case OP_EDITOR_HISTORY_UP:
255 state->curpos = state->lastchar;
256 replace_part(state, 0, mutt_history_prev(hclass));
257 redraw = M_REDRAW_INIT;
260 case OP_EDITOR_HISTORY_DOWN:
261 state->curpos = state->lastchar;
262 replace_part(state, 0, mutt_history_next(hclass));
263 redraw = M_REDRAW_INIT;
266 case OP_EDITOR_BACKSPACE:
267 if (state->curpos == 0)
271 while (i && COMB_CHAR (state->wbuf[i - 1]))
275 memmove (state->wbuf + i, state->wbuf + state->curpos,
276 (state->lastchar - state->curpos) * sizeof (wchar_t));
277 state->lastchar -= state->curpos - i;
287 redraw = M_REDRAW_INIT;
290 case OP_EDITOR_KILL_LINE:
291 state->curpos = state->lastchar = 0;
294 case OP_EDITOR_KILL_EOL:
295 state->lastchar = state->curpos;
298 case OP_EDITOR_BACKWARD_CHAR:
299 if (state->curpos == 0)
302 while (state->curpos && COMB_CHAR (state->wbuf[state->curpos - 1]))
309 case OP_EDITOR_FORWARD_CHAR:
310 if (state->curpos == state->lastchar)
314 while (state->curpos < state->lastchar
315 && COMB_CHAR (state->wbuf[state->curpos]))
320 case OP_EDITOR_BACKWARD_WORD:
321 if (state->curpos == 0)
324 while (state->curpos && iswspace (state->wbuf[state->curpos - 1]))
326 while (state->curpos && !iswspace (state->wbuf[state->curpos - 1]))
331 case OP_EDITOR_FORWARD_WORD:
332 if (state->curpos == state->lastchar)
335 while (state->curpos < state->lastchar
336 && iswspace (state->wbuf[state->curpos]))
338 while (state->curpos < state->lastchar
339 && !iswspace (state->wbuf[state->curpos]))
344 case OP_EDITOR_CAPITALIZE_WORD:
345 case OP_EDITOR_UPCASE_WORD:
346 case OP_EDITOR_DOWNCASE_WORD:
347 if (state->curpos == state->lastchar) {
351 while (state->curpos && !iswspace (state->wbuf[state->curpos]))
353 while (state->curpos < state->lastchar
354 && iswspace (state->wbuf[state->curpos]))
356 while (state->curpos < state->lastchar
357 && !iswspace (state->wbuf[state->curpos])) {
358 if (ch == OP_EDITOR_DOWNCASE_WORD)
359 state->wbuf[state->curpos] =
360 towlower (state->wbuf[state->curpos]);
362 state->wbuf[state->curpos] =
363 towupper (state->wbuf[state->curpos]);
364 if (ch == OP_EDITOR_CAPITALIZE_WORD)
365 ch = OP_EDITOR_DOWNCASE_WORD;
371 case OP_EDITOR_DELETE_CHAR:
372 if (state->curpos == state->lastchar)
376 while (i < state->lastchar && COMB_CHAR (state->wbuf[i]))
378 if (i < state->lastchar)
380 while (i < state->lastchar && COMB_CHAR (state->wbuf[i]))
382 memmove (state->wbuf + state->curpos, state->wbuf + i,
383 (state->lastchar - i) * sizeof (wchar_t));
384 state->lastchar -= i - state->curpos;
388 case OP_EDITOR_KILL_WORD:
389 /* delete to begining of word */
390 if (state->curpos != 0) {
392 while (i && iswspace (state->wbuf[i - 1]))
395 if (iswalnum (state->wbuf[i - 1])) {
396 for (--i; i && iswalnum (state->wbuf[i - 1]); i--);
401 memmove (state->wbuf + i, state->wbuf + state->curpos,
402 (state->lastchar - state->curpos) * sizeof (wchar_t));
403 state->lastchar += i - state->curpos;
408 case OP_EDITOR_KILL_EOW:
409 /* delete to end of word */
410 for (i = state->curpos;
411 i < state->lastchar && iswspace (state->wbuf[i]); i++);
412 for (; i < state->lastchar && !iswspace (state->wbuf[i]); i++);
413 memmove (state->wbuf + state->curpos, state->wbuf + i,
414 (state->lastchar - i) * sizeof (wchar_t));
415 state->lastchar += state->curpos - i;
418 case OP_EDITOR_BUFFY_CYCLE:
419 if (flags & M_EFILE) {
420 first = 1; /* clear input if user types a real key later */
421 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
422 buffy_next (buf, buflen);
423 state->curpos = state->lastchar =
424 my_mbstowcs (&state->wbuf, &state->wbuflen, 0, buf);
427 else if (!(flags & M_FILE))
429 /* fall through to completion routine (M_FILE) */
431 case OP_EDITOR_COMPLETE:
432 case OP_EDITOR_COMPLETE_QUERY:
435 for (i = state->curpos; i && state->wbuf[i - 1] != ' '; i--);
436 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
437 if (tempbuf && templen == state->lastchar - i &&
438 !memcmp (tempbuf, state->wbuf + i,
439 (state->lastchar - i) * sizeof (wchar_t))) {
440 mutt_select_file(buf, buflen, flags & M_EFILE ? M_SEL_FOLDER : 0,
442 set_option (OPTNEEDREDRAW);
444 replace_part (state, i, buf);
448 if (!mutt_complete (buf, buflen)) {
449 templen = state->lastchar - i;
450 p_realloc(&tempbuf, templen);
455 replace_part (state, i, buf);
457 else if (flags & M_ALIAS && ch == OP_EDITOR_COMPLETE) {
458 /* invoke the alias-menu to get more addresses */
459 for (i = state->curpos; i && state->wbuf[i - 1] != ',' &&
460 state->wbuf[i - 1] != ':'; i--);
461 for (; i < state->lastchar && state->wbuf[i] == ' '; i++);
462 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
463 r = mutt_alias_complete (buf, buflen);
464 replace_part (state, i, buf);
470 } else if (flags & M_ALIAS && ch == OP_EDITOR_COMPLETE_QUERY) {
471 /* invoke the query-menu to get more addresses */
472 if ((i = state->curpos)) {
473 for (; i && state->wbuf[i - 1] != ','; i--);
474 for (; i < state->curpos && state->wbuf[i] == ' '; i++);
476 my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
477 mutt_query_complete (buf, buflen);
478 replace_part (state, i, buf);
481 } else if (flags & M_COMMAND) {
482 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
484 if (i && buf[i - 1] == '=' &&
485 mutt_var_value_complete (buf, buflen, i))
487 else if (!mutt_command_complete (buf, buflen, i, state->tabs))
489 replace_part (state, 0, buf);
491 else if (flags & (M_FILE | M_EFILE)) {
492 my_wcstombs (buf, buflen, state->wbuf, state->curpos);
494 /* see if the path has changed from the last time */
495 if ((!tempbuf && !state->lastchar)
496 || (tempbuf && templen == state->lastchar
497 && !memcmp (tempbuf, state->wbuf,
498 state->lastchar * sizeof (wchar_t)))) {
499 mutt_select_file(buf, buflen,
500 ((flags & M_EFILE) ? M_SEL_FOLDER : 0) |
501 (multiple ? M_SEL_MULTI : 0), files, numfiles);
502 set_option (OPTNEEDREDRAW);
504 mutt_pretty_mailbox (buf);
506 mutt_history_add (hclass, buf);
511 /* file selection cancelled */
516 if (!mutt_complete (buf, buflen)) {
517 templen = state->lastchar;
518 p_realloc(&tempbuf, templen);
519 memcpy (tempbuf, state->wbuf, templen * sizeof (wchar_t));
522 BEEP (); /* let the user know that nothing matched */
523 replace_part (state, 0, buf);
529 case OP_EDITOR_QUOTE_CHAR:
533 /*ADDCH (LastKey); */
534 event = mutt_getch ();
535 if (event.ch != -1) {
541 case OP_EDITOR_TRANSPOSE_CHARS:
542 if (state->lastchar < 2)
547 if (state->curpos == 0)
549 else if (state->curpos < state->lastchar)
552 t = state->wbuf[state->curpos - 2];
553 state->wbuf[state->curpos - 2] = state->wbuf[state->curpos - 1];
554 state->wbuf[state->curpos - 1] = t;
567 /* use the raw keypress */
570 if ((ch == '#') && (flags & M_LASTFOLDER)) {
572 my_wcstombs (buf, buflen, state->wbuf, state->lastchar);
577 /* treat ENTER the same as RETURN */
582 /* quietly ignore all other function keys */
586 /* gather the octets into a wide character */
592 k = mbrtowc (&wc, &c, 1, &mbstate);
593 if (k == (size_t) (-2))
595 else if (k && k != 1) {
596 p_clear(&mbstate, 1);
601 if (first && (flags & M_CLEAR)) {
603 if (iswprint(wc)) /* why? */
604 state->curpos = state->lastchar = 0;
607 if (wc == '\r' || wc == '\n') {
608 /* Convert from wide characters */
609 my_wcstombs (buf, buflen, state->wbuf, state->lastchar);
611 mutt_history_add (hclass, buf);
617 tfiles = p_new(char *, *numfiles);
618 mutt_expand_path (buf, buflen);
619 tfiles[0] = m_strdup(buf);
625 else if (wc && (wc < ' ' || iswprint(wc))) { /* why? */
626 if (state->lastchar >= state->wbuflen) {
627 state->wbuflen = state->lastchar + 20;
628 p_realloc(&state->wbuf, state->wbuflen);
630 memmove (state->wbuf + state->curpos + 1, state->wbuf + state->curpos,
631 (state->lastchar - state->curpos) * sizeof (wchar_t));
632 state->wbuf[state->curpos++] = wc;
648 void mutt_free_enter_state (ENTER_STATE ** esp)
653 p_delete(&(*esp)->wbuf);
659 * very narrow screen might crash it
660 * sort out the input side