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comparison nnchat.c @ 116:741e45592522

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Add simple "prediction" into tab-completion based on previously gotten last match. We assume that the last match is what the user wants, if new pattern matches previous pattern.
author Matti Hamalainen <ccr@tnsp.org>
date Sun, 24 Oct 2010 23:09:42 +0300
parents 300a6ea4aff3
children da05b766b8c0
comparison
equal deleted inserted replaced
115:300a6ea4aff3 116:741e45592522
43 *optUserName2 = NULL, 43 *optUserName2 = NULL,
44 *optPassword = NULL, 44 *optPassword = NULL,
45 *optLogFilename = NULL, 45 *optLogFilename = NULL,
46 *setTarget = NULL, 46 *setTarget = NULL,
47 *optSite = "NN"; 47 *optSite = "NN";
48 char optNickSep = ':';
48 BOOL optDaemon = FALSE; 49 BOOL optDaemon = FALSE;
49 FILE *optLogFile = NULL; 50 FILE *optLogFile = NULL;
50 WINDOW *mainWin = NULL, 51 WINDOW *mainWin = NULL,
51 *statusWin = NULL, 52 *statusWin = NULL,
52 *editWin = NULL; 53 *editWin = NULL;
665 BOOL performTabCompletion(nn_editbuf_t *buf) 666 BOOL performTabCompletion(nn_editbuf_t *buf)
666 { 667 {
667 static char *previous = NULL; 668 static char *previous = NULL;
668 static char *pattern = NULL; 669 static char *pattern = NULL;
669 int mode = 0; 670 int mode = 0;
671 BOOL again = FALSE;
670 char *str = buf->data; 672 char *str = buf->data;
671 ssize_t endPos = 0, startPos = buf->pos; 673 ssize_t endPos = 0, startPos = buf->pos;
672 674
673 if (startPos > 1 && str[startPos - 1] == ' ') { 675 if (startPos > 1 && str[startPos - 1] == ' ') {
674 startPos -= 2; 676 startPos -= 2;
675 if (str[startPos] == ':') 677 if (str[startPos] == optNickSep)
676 startPos--; 678 startPos--;
677 if (startPos <= 0 || str[startPos] == ' ') 679 if (startPos <= 0 || str[startPos] == ' ')
678 return FALSE; 680 return FALSE;
679 endPos = startPos; 681 endPos = startPos;
680 while (startPos > 0 && str[startPos - 1] != ' ') startPos--; 682 while (startPos > 0 && str[startPos - 1] != ' ') startPos--;
681 mode = 1; 683 mode = 1;
682 } else 684 } else
683 if (str[startPos - 1] != ' ' && (startPos == buf->len || str[startPos] == ' ')) { 685 if (str[startPos - 1] != ' ' && (startPos == buf->len || str[startPos] == ' ')) {
686 char *npattern;
687
684 endPos = startPos; 688 endPos = startPos;
685 while (startPos > 0 && str[startPos - 1] != ' ') startPos--; 689 while (startPos > 0 && str[startPos - 1] != ' ') startPos--;
686 while (endPos < buf->len && str[endPos] != ' ') endPos++; 690 while (endPos < buf->len && str[endPos] != ' ') endPos++;
687 while (endPos > 0 && str[endPos] == ' ') endPos--; 691 while (endPos > 0 && str[endPos] == ' ') endPos--;
688 if (str[endPos] == ':') 692 if (str[endPos] == optNickSep)
689 return FALSE; 693 return FALSE;
690 th_free(pattern); 694
691 pattern = nn_editbuf_get_string(buf, startPos, endPos); 695 /* Get pattern, check if it matches previous pattern and set 'again' flag */
692 th_free(previous); previous = NULL; 696 npattern = nn_editbuf_get_string(buf, startPos, endPos);
697 if (pattern && npattern && strncasecmp(npattern, pattern, strlen(pattern)) == 0)
698 again = TRUE;
699 th_free(pattern); pattern = npattern;
700 if (!again) {
701 th_free(previous);
702 previous = NULL;
703 }
693 mode = 2; 704 mode = 2;
694 } 705 }
695 // printMsg("%d, %d <-> %d : '%s' (%d)\n", startPos, endPos, buf->len, pattern, mode); 706
707 // printMsg("%d, %d <-> %d : '%s' (%d, %d)\n", startPos, endPos, buf->len, pattern, mode, again);
696 708
697 if (pattern) { 709 if (pattern) {
698 nn_user_t *user = nn_user_match(nnUsers, pattern, previous); 710 nn_user_t *user = nn_user_match(nnUsers, pattern, previous, again);
699 711
700 if (user) { 712 if (user) {
701 int i; 713 int i;
702 char *c = user->name; 714 char *c = user->name;
703 // printMsg("match '%s'\n", user->name); 715 // printMsg("match '%s' / prev '%s'\n", user->name, previous);
704 716
705 for (i = startPos; i <= endPos; i++) 717 for (i = startPos; i <= endPos; i++)
706 nn_editbuf_delete(buf, startPos); 718 nn_editbuf_delete(buf, startPos);
707 719
708 for (i = startPos; *c; i++, c++) 720 for (i = startPos; *c; i++, c++)
709 nn_editbuf_insert(buf, i, *c); 721 nn_editbuf_insert(buf, i, *c);
710 722
711 if (previous == NULL) { 723 if (previous == NULL || again) {
712 if (startPos == 0) { 724 if (startPos == 0) {
713 nn_editbuf_insert(buf, i++, ':'); 725 nn_editbuf_insert(buf, i++, optNickSep);
714 startPos++; 726 startPos++;
715 } 727 }
716 nn_editbuf_insert(buf, i++, ' '); 728 nn_editbuf_insert(buf, i++, ' ');
717 } 729 }
718 nn_editbuf_setpos(buf, startPos + 2 + strlen(user->name)); 730 nn_editbuf_setpos(buf, startPos + 2 + strlen(user->name));