Revert "Handle nav cases separately"

This reverts commit 1430993858.

src/nnn.c

@@ -2974,33 +2974,42 @@ nochange:
 				printmsg("unsupported file");
 				goto nochange;
 			}
-		case SEL_NEXT:
-			if (cur < ndents - 1)
-				++cur;
-			else if (ndents)
-				/* Roll over, set cursor to first entry */
+		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:
 				cur = 0;
-			break;
-		case SEL_PREV:
-			if (cur > 0)
-				--cur;
-			else if (ndents)
-				/* Roll over, set cursor to last entry */
+				break;
+			default: /* case SEL_END */
 				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:
-			cur = 0;
-			break;
-		case SEL_END:
-			cur = ndents - 1;
+				break;
+			}
 			break;
 		case SEL_CDHOME: // fallthrough
 		case SEL_CDBEGIN: // fallthrough