===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/cmd-split-window.c,v
retrieving revision 1.111
retrieving revision 1.112
diff -u -r1.111 -r1.112
--- src/usr.bin/tmux/cmd-split-window.c	2021/10/07 07:52:13	1.111
+++ src/usr.bin/tmux/cmd-split-window.c	2022/03/08 22:14:25	1.112
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-split-window.c,v 1.111 2021/10/07 07:52:13 nicm Exp $ */
+/* $OpenBSD: cmd-split-window.c,v 1.112 2022/03/08 22:14:25 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -61,6 +61,7 @@
 	struct client		*tc = cmdq_get_target_client(item);
 	struct session		*s = target->s;
 	struct winlink		*wl = target->wl;
+	struct window		*w = wl->window;
 	struct window_pane	*wp = target->wp, *new_wp;
 	enum layout_type	 type;
 	struct layout_cell	*lc;
@@ -87,10 +88,17 @@
 				cmdq_error(item, "percentage %s", errstr);
 				return (CMD_RETURN_ERROR);
 			}
-			if (type == LAYOUT_TOPBOTTOM)
-				size = (wp->sy * percentage) / 100;
-			else
-				size = (wp->sx * percentage) / 100;
+			if (args_has(args, 'f')) {
+				if (type == LAYOUT_TOPBOTTOM)
+					size = (w->sy * percentage) / 100;
+				else
+					size = (w->sx * percentage) / 100;
+			} else {
+				if (type == LAYOUT_TOPBOTTOM)
+					size = (wp->sy * percentage) / 100;
+				else
+					size = (wp->sx * percentage) / 100;
+			}
 		} else {
 			size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
 			if (cause != NULL) {
@@ -106,10 +114,17 @@
 			free(cause);
 			return (CMD_RETURN_ERROR);
 		}
-		if (type == LAYOUT_TOPBOTTOM)
-			size = (wp->sy * percentage) / 100;
-		else
-			size = (wp->sx * percentage) / 100;
+		if (args_has(args, 'f')) {
+			if (type == LAYOUT_TOPBOTTOM)
+				size = (w->sy * percentage) / 100;
+			else
+				size = (w->sx * percentage) / 100;
+		} else {
+			if (type == LAYOUT_TOPBOTTOM)
+				size = (wp->sy * percentage) / 100;
+			else
+				size = (wp->sx * percentage) / 100;
+		}
 	} else
 		size = -1;