Add Z index positions to move-pane -P.

usr.bin/tmux/cmd-join-pane.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-join-pane.c,v 1.60 2026/06/13 17:12:02 nicm Exp $ */
+/* $OpenBSD: cmd-join-pane.c,v 1.61 2026/06/13 17:43:20 nicm Exp $ */
 
 /*
  * Copyright (c) 2011 George Nachman <tmux@georgester.com>
@@ -68,8 +68,9 @@ cmd_join_pane_place(struct cmdq_item *item, struct winlink *wl,
 {
 	struct window		*w = wl->window;
 	struct layout_cell	*lc = wp->layout_cell;
+	struct window_pane	*owp;
 	int			 wx = w->sx, wy = w->sy, px = lc->sx;
-	int			 py = lc->sy, xoff, yoff;
+	int			 py = lc->sy, xoff = lc->xoff, yoff = lc->yoff;
 
 	if (strcmp(position, "top-left") == 0) {
 		xoff = 1;
@@ -119,15 +120,66 @@ cmd_join_pane_place(struct cmdq_item *item, struct winlink *wl,
 	    strcmp(position, "bottom-right-center") == 0) {
 		xoff = (3 * wx) / 4 - px / 2;
 		yoff = (3 * wy) / 4 - py / 2;
+	} else if (strcmp(position, "front") == 0) {
+		TAILQ_REMOVE(&w->z_index, wp, zentry);
+		TAILQ_INSERT_HEAD(&w->z_index, wp, zentry);
+	} else if (strcmp(position, "back") == 0) {
+		TAILQ_REMOVE(&w->z_index, wp, zentry);
+		TAILQ_FOREACH(owp, &w->z_index, zentry) {
+			if (!window_pane_is_floating(owp))
+				break;
+		}
+		if (owp != NULL)
+			TAILQ_INSERT_BEFORE(owp, wp, zentry);
+		else
+			TAILQ_INSERT_TAIL(&w->z_index, wp, zentry);
+	} else if (strcmp(position, "forward") == 0) {
+		owp = TAILQ_PREV(wp, window_panes_zindex, zentry);
+		if (owp != NULL) {
+			TAILQ_REMOVE(&w->z_index, wp, zentry);
+			TAILQ_INSERT_BEFORE(owp, wp, zentry);
+		}
+	} else if (strcmp(position, "backward") == 0) {
+		owp = TAILQ_NEXT(wp, zentry);
+		if (owp != NULL && window_pane_is_floating(owp)) {
+			TAILQ_REMOVE(&w->z_index, wp, zentry);
+			TAILQ_INSERT_AFTER(&w->z_index, owp, wp, zentry);
+		}
+	} else if (strcmp(position, "forward-loop") == 0) {
+		owp = TAILQ_PREV(wp, window_panes_zindex, zentry);
+		TAILQ_REMOVE(&w->z_index, wp, zentry);
+		if (owp != NULL)
+			TAILQ_INSERT_BEFORE(owp, wp, zentry);
+		else {
+			TAILQ_FOREACH(owp, &w->z_index, zentry) {
+				if (!window_pane_is_floating(owp))
+					break;
+			}
+			if (owp != NULL)
+				TAILQ_INSERT_BEFORE(owp, wp, zentry);
+			else
+				TAILQ_INSERT_TAIL(&w->z_index, wp, zentry);
+		}
+	} else if (strcmp(position, "backward-loop") == 0) {
+		owp = TAILQ_NEXT(wp, zentry);
+		if (owp != NULL && window_pane_is_floating(owp)) {
+			TAILQ_REMOVE(&w->z_index, wp, zentry);
+			TAILQ_INSERT_AFTER(&w->z_index, owp, wp, zentry);
+		} else {
+			TAILQ_REMOVE(&w->z_index, wp, zentry);
+			TAILQ_INSERT_HEAD(&w->z_index, wp, zentry);
+		}
 	} else {
 		cmdq_error(item, "unknown position: %s", position);
 		return (CMD_RETURN_ERROR);
 	}
 
-	lc->xoff = xoff;
-	lc->yoff = yoff;
-	layout_fix_panes(w, NULL);
-	notify_window("window-layout-changed", w);
+	if (xoff != lc->xoff || yoff != lc->yoff) {
+		lc->xoff = xoff;
+		lc->yoff = yoff;
+		layout_fix_panes(w, NULL);
+		notify_window("window-layout-changed", w);
+	}
 	server_redraw_window(w);
 
 	return (CMD_RETURN_NORMAL);

usr.bin/tmux/key-bindings.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: key-bindings.c,v 1.174 2026/06/13 17:12:02 nicm Exp $ */
+/* $OpenBSD: key-bindings.c,v 1.175 2026/06/13 17:43:20 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -406,10 +406,10 @@ key_bindings_init(void)
 		"bind -N 'Choose a window from a list' w { choose-tree -Zw }",
 		"bind -N 'Kill the active pane' x { confirm-before -p\"kill-pane #P? (y/n)\" kill-pane }",
 		"bind -N 'Zoom the active pane' z { resize-pane -Z }",
-		"bind -N 'Move pane to top-left corner' '{' { move-pane -P top-left }",
-		"bind -N 'Move pane to top-right corner' '}' { move-pane -P top-right }",
-		"bind -N 'Move pane to bottom-left corner' 'M-{' { move-pane -P bottom-left }",
-		"bind -N 'Move pane to bottom-right corner' 'M-}' { move-pane -P bottom-right }",
+		"bind -N 'Move pane to top-left corner' '{' { resize-pane -x50% -y50%; move-pane -P top-left }",
+		"bind -N 'Move pane to top-right corner' '}' { resize-pane -x50% -y50%; move-pane -P top-right }",
+		"bind -N 'Move pane to bottom-left corner' 'M-{' { resize-pane -x50% -y50%; move-pane -P bottom-left }",
+		"bind -N 'Move pane to bottom-right corner' 'M-}' { resize-pane -x50% -y50%; move-pane -P bottom-right }",
 		"bind -N 'Show messages' '~' { show-messages }",
 		"bind -N 'Enter copy mode and scroll up' PPage { copy-mode -u }",
 		"bind -N 'Select the pane above the active pane' -r Up { select-pane -U }",

usr.bin/tmux/tmux.1

@@ -1,4 +1,4 @@
-.\" $OpenBSD: tmux.1,v 1.1085 2026/06/13 17:12:02 nicm Exp $
+.\" $OpenBSD: tmux.1,v 1.1086 2026/06/13 17:43:20 nicm Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 .\"
@@ -3337,30 +3337,34 @@ move it down, left, right or up by
 .Ar lines
 or
 .Ar columns
-(one if omitted);
+(one if omitted).
 .Fl P
 moves it to
 .Ar position ,
-which may be
-.Ql top-left ,
-.Ql top-centre ,
-.Ql top-right ,
-.Ql centre-left ,
-.Ql centre ,
-.Ql centre-right ,
-.Ql bottom-left ,
-.Ql bottom-centre ,
-.Ql bottom-right ,
-.Ql top-left-centre ,
-.Ql top-right-centre ,
-.Ql bottom-left-centre
-or
-.Ql bottom-right-centre ;
-for each
-.Ql centre
-position,
-.Ql center
-is accepted as an alias.
+which may be one of:
+.Bl -column "XXXXXXXXXXXXXXXXXX" "X"
+.It Sy "Position" Ta Sy "Meaning"
+.It Li "top-left" Ta "Top left"
+.It Li "top-centre" Ta "Top and horizontal centre"
+.It Li "top-right" Ta "Top right"
+.It Li "centre-left" Ta "Vertical centre and left"
+.It Li "centre" Ta "Centre"
+.It Li "centre-right" Ta "Vertical centre and right"
+.It Li "bottom-left" Ta "Bottom left"
+.It Li "bottom-centre" Ta "Bottom and horizontal centre"
+.It Li "bottom-right" Ta "Bottom right"
+.It Li "top-left-centre" Ta "Centre of top-left quadrant"
+.It Li "top-right-centre" Ta "Centre of top-right quadrant"
+.It Li "bottom-left-centre" Ta "Centre of bottom-left quadrant"
+.It Li "bottom-right-centre" Ta "Centre of botton-right quadrant"
+.It Li "front" Ta "Front of floating panes"
+.It Li "back" Ta "Back of floating panes"
+.It Li "forward" Ta "Forward one floating pane"
+.It Li "backward" Ta "Backward one floating pane"
+.It Li "forward-loop" Ta "Forward but back if already at front"
+.It Li "backward-loop" Ta "Backward but front if already at back"
+.El
+.Pp
 .Fl X
 and
 .Fl Y