Use ^L to clear filter prompt

README.md

@@ -265,10 +265,10 @@ Help & settings, file details, media info and archive listing are shown in the P
 
 Filters support regexes to instantly (search-as-you-type) list the matching entries in the current directory.
 
-There are 3 ways to reset a filter:
-- pressing <kbd>^L</kbd> (at the new/rename prompt <kbd>^L</kbd> followed by <kbd>Enter</kbd> discards all changes and exits prompt)
-- a search with no matches
-- an extra backspace at the filter prompt (like vi)
+Ways to exit filter prompt:
+- press <kbd>^L</kbd> to clear filter followed by <kbd>Bksp</kbd> (to clear the filter symbol, like vi)
+  - at other prompts <kbd>^L</kbd> followed by <kbd>Enter</kbd> discards all changes and exits prompt
+- run a search with no matches and press <kbd>Enter</kbd>
 
 Common use cases:
 - to list all matches starting with the filter expression, start the expression with a `^` (caret) symbol

nnn.1

@@ -188,14 +188,13 @@ instructions.
 Filters support regexes to instantly (search-as-you-type) list the matching
 entries in the current directory.
 .Pp
-There are 3 ways to reset a filter:
+Ways to exit filter prompt:
 .Pp
-(1) pressing \fI^L\fR (at the new/rename prompt \fI^L\fR followed by \fIEnter\fR
-discards all changes and exits prompt),
+(1) press \fI^L\fR to clear filter followed by \fIBksp\fR (to clear the filter symbol, like vi)
 .br
-(2) a search with no matches or
+  - at other prompts \fI^L\fR followed by \fIEnter\fR discards all changes and exits prompt
 .br
-(3) an extra backspace at the filter prompt (like vi).
+(2) run a search with no matches and press \fIEnter\fR
 .Pp
 Common use cases:
 .Pp

nnn.c

@@ -1096,14 +1096,24 @@ static int filterentries(char *path)
 	printprompt(ln);
 
 	while ((r = get_wch(ch)) != ERR) {
-		if (*ch == 127 /* handle DEL */ || *ch == KEY_DC || *ch == KEY_BACKSPACE || *ch == '\b') {
-			if (len == 1) {
+		switch (*ch) {
+		case KEY_DC: // fallthrough
+		case  KEY_BACKSPACE: // fallthrough
+		case '\b': // fallthrough
+		case CONTROL('L'): // fallthrough
+		case 127: /* handle DEL */
+			if (len == 1 && *ch != CONTROL('L')) {
 				cur = oldcur;
 				*ch = CONTROL('L');
 				goto end;
 			}
 
-			wln[--len] = '\0';
+			if (*ch == CONTROL('L'))
+				while (len > 1)
+					wln[--len] = '\0';
+			else
+				wln[--len] = '\0';
+
 			if (len == 1)
 				cur = oldcur;
 
@@ -1114,9 +1124,7 @@ static int filterentries(char *path)
 
 			printprompt(ln);
 			continue;
-		}
-
-		if (*ch == 27) { /* Exit filter mode on Escape */
+		case 27: /* Exit filter mode on Escape */
 			cur = oldcur;
 			*ch = CONTROL('L');
 			goto end;