Handle nav cases separately

src/nnn.c

@@ -2962,42 +2962,33 @@ nochange:
 				printmsg("unsupported file");
 				goto nochange;
 			}
-		case SEL_NEXT: // fallthrough
-		case SEL_PREV: // fallthrough
-		case SEL_PGDN: // fallthrough
-		case SEL_PGUP: // fallthrough
-		case SEL_HOME: // fallthrough
-		case SEL_END:
-			switch (sel) {
-			case SEL_NEXT:
-				if (cur < ndents - 1)
-					++cur;
-				else if (ndents)
-					/* Roll over, set cursor to first entry */
-					cur = 0;
-				break;
-			case SEL_PREV:
-				if (cur > 0)
-					--cur;
-				else if (ndents)
-					/* Roll over, set cursor to last entry */
-					cur = ndents - 1;
-				break;
-			case SEL_PGDN:
-				if (cur < ndents - 1)
-					cur += MIN((LINES - 4) / 2, ndents - 1 - cur);
-				break;
-			case SEL_PGUP:
-				if (cur > 0)
-					cur -= MIN((LINES - 4) / 2, cur);
-				break;
-			case SEL_HOME:
+		case SEL_NEXT:
+			if (cur < ndents - 1)
+				++cur;
+			else if (ndents)
+				/* Roll over, set cursor to first entry */
 				cur = 0;
-				break;
-			default: /* case SEL_END */
+			break;
+		case SEL_PREV:
+			if (cur > 0)
+				--cur;
+			else if (ndents)
+				/* Roll over, set cursor to last entry */
 				cur = ndents - 1;
-				break;
-			}
+			break;
+		case SEL_PGDN:
+			if (cur < ndents - 1)
+				cur += MIN((LINES - 4) / 2, ndents - 1 - cur);
+			break;
+		case SEL_PGUP:
+			if (cur > 0)
+				cur -= MIN((LINES - 4) / 2, cur);
+			break;
+		case SEL_HOME:
+			cur = 0;
+			break;
+		case SEL_END:
+			cur = ndents - 1;
 			break;
 		case SEL_CDHOME: // fallthrough
 		case SEL_CDBEGIN: // fallthrough