From: Chris Allegretta Date: Wed, 24 Oct 2001 14:46:09 +0000 (+0000) Subject: - Backported do_prev_word() from 1.1. Allows alt-space to move to the previous word... X-Git-Tag: v1.0.6~10 X-Git-Url: https://git.wh0rd.org/?a=commitdiff_plain;h=f7c6b996fa92b360f78bc39db3c6d21b9bfa3292;p=nano.git - Backported do_prev_word() from 1.1. Allows alt-space to move to the previous word in the file. - Added #ifdef NANO_SMALL around do_next_space and do_prev_space codes, as nano-tiny doesn't particularly need those features. main() - Fixed off-by-one error on MAIN_LIST_LEN loop search git-svn-id: svn://svn.savannah.gnu.org/nano/branches/nano_1_0_branch/nano@876 35c25a1d-7b9e-4130-9fde-d3aeb78583b8 --- diff --git a/ChangeLog b/ChangeLog index b93b702d..7c46497c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -9,6 +9,13 @@ CVS code - - cut.c: cut_marked_segment() - Fix off-by one in mem allocation. +- nano.c: + - Backported do_prev_word() from 1.1. Allows alt-space to + move to the previous word in the file. + - Added #ifdef NANO_SMALL around do_next_space and do_prev_space + codes, as nano-tiny doesn't particularly need those features. + main() + - Fixed off-by-one error on MAIN_LIST_LEN loop search. - nano.texi: - Backported fix from 1.1 for Mouse Toggle. - po/de.po: diff --git a/nano.c b/nano.c index ebdaf24c..4212d0e4 100644 --- a/nano.c +++ b/nano.c @@ -649,6 +649,7 @@ int do_enter_void(void) return do_enter(current); } +#ifndef NANO_SMALL void do_next_word(void) { filestruct *fileptr, *old; @@ -698,8 +699,79 @@ void do_next_word(void) update_line(current, current_x); } +} + +/* the same thing for backwards */ +void do_prev_word(void) +{ + filestruct *fileptr, *old; + int i; + + if (current == NULL) + return; + + old = current; + i = current_x; + for (fileptr = current; fileptr != NULL; fileptr = fileptr->prev) { + if (fileptr == current) { + while (isalnum((int) fileptr->data[i]) + && i != 0) + i--; + if (i == 0) { + if (fileptr->prev != NULL) + i = strlen(fileptr->prev->data) - 1; + else if (fileptr == fileage && filebot != NULL) { + current_x = 0; + return; + } + continue; + } + } + + while (!isalnum((int) fileptr->data[i]) && i != 0) + i--; + + if (i > 0) { + i--; + + while (isalnum((int) fileptr->data[i]) && i != 0) + i--; + + i++; + if (i != 0) + break; + + } + if (fileptr->prev != NULL) + i = strlen(fileptr->prev->data) - 1; + else if (fileptr == fileage && filebot != NULL) { + current_x = 0; + return; + } + } + if (fileptr == NULL) + current = fileage; + else + current = fileptr; + + current_x = i; + placewewant = xplustabs(); + + if (current->lineno <= edittop->lineno) + edit_update(current, CENTER); + else { + /* If we've jumped lines, refresh the old line. We can't just use + * current->prev here, because we may have skipped over some blank + * lines, in which case the previous line is the wrong one. + */ + if (current != old) + update_line(old, 0); + + update_line(current, current_x); + } } +#endif /* NANO_SMALL */ #ifndef DISABLE_WRAPPING void do_wrap(filestruct * inptr, char input_char) @@ -2465,6 +2537,13 @@ int main(int argc, char *argv[]) modify_control_seq = 1; keyhandled = 1; break; +#ifndef NANO_SMALL + case ' ': + /* If control-space is next word, Alt-space should be previous word */ + do_prev_word(); + keyhandled = 1; + break; +#endif case 91: switch (kbinput = wgetch(edit)) { case '1': /* Alt-[-1-[0-5,7-9] = F1-F8 in X at least */ @@ -2613,7 +2692,7 @@ int main(int argc, char *argv[]) /* Look through the main shortcut list to see if we've hit a shortcut key */ - for (i = 0; i < MAIN_LIST_LEN && !keyhandled; i++) { + for (i = 0; i < MAIN_LIST_LEN - 1 && !keyhandled; i++) { if (kbinput == main_list[i].val || (main_list[i].misc1 && kbinput == main_list[i].misc1) || (main_list[i].misc2 && kbinput == main_list[i].misc2)) { @@ -2647,8 +2726,10 @@ int main(int argc, char *argv[]) #endif #endif case 0: /* Erg */ +#ifndef NANO_SMALL do_next_word(); break; +#endif case 331: /* Stuff that we don't want to do squat */ case -1: