Added more readline bindings (#452)

diff --git a/src/nnn.c b/src/nnn.c
index 039d88c7609e48960d24e9bb08d17e20845a9649..5b1c7a8c8aee8e1eb7b2ff0b8d98523f8b39bb1e 100644 (file)
--- a/src/nnn.c
+++ b/src/nnn.c
@@ -2409,6 +2409,11 @@ static char *xreadline(const char *prefill, const char *prompt)
                        case '\n': // fallthrough
                        case '\r':
                                goto END;
+                       case CONTROL('D'):
+                               if (pos < len)
+                                       ++pos;
+                               else
+                                       continue; // fallthrough
                        case 127: // fallthrough
                        case '\b': /* rhel25 sends '\b' for backspace */
                                if (pos > 0) {
@@ -2418,6 +2423,28 @@ static char *xreadline(const char *prefill, const char *prompt)
                                } // fallthrough
                        case '\t': /* TAB breaks cursor position, ignore it */
                                continue;
+                       case CONTROL('F'):
+                               if (pos < len)
+                                       ++pos;
+                               continue;
+                       case CONTROL('B'):
+                               if (pos > 0)
+                                       --pos;
+                               continue;
+                       case CONTROL('W'):
+                               printprompt(prompt);
+                               do {
+                                       if (pos == 0)
+                                               break;
+                                       memmove(buf + pos - 1, buf + pos,
+                                               (len - pos) * WCHAR_T_WIDTH);
+                                       --pos, --len;
+                               } while (buf[pos-1] != ' ' && buf[pos-1] != '/');
+                               continue;
+                       case CONTROL('K'):
+                               printprompt(prompt);
+                               len = pos;
+                               continue;
                        case CONTROL('L'):
                                printprompt(prompt);
                                len = pos = 0;