Merge branch 'master' into local_windows_panes

# Conflicts:
#	cmd-switch-client.c

CHANGES

@@ -9,12 +9,7 @@ CHANGES FROM 3.7c TO 3.8
 
   - modal panes may be created with new-pane -O; a window can have one modal
     pane and it prevents interaction with the other panes while it is active.
-    -C closes the pane when the mouse is clicked outside it and -K sends all
-    keys, including the prefix key, to the pane. A modal pane is now used for
-    the editor in buffer mode;
-
-  - new-pane -A creates a floating pane which remains above a zoomed pane;
-    modal panes do this by default;
+    A modal pane is now used for the editor in buffer mode;
 
   - move-pane and resize-pane can now move and resize floating panes, including
     mouse dragging;
@@ -29,9 +24,6 @@ CHANGES FROM 3.7c TO 3.8
     -k for choose commands kills the pane when the mode exits, which is useful
     for modes in floating panes;
 
-  - command-prompt -P opens a prompt inside a pane rather than on the status
-    line;
-
   - pane-border-status has top-floating and bottom-floating, and there are new
     default bindings under C-b g for common move and resize operations;
 
@@ -82,7 +74,7 @@ CHANGES FROM 3.7c TO 3.8
 
   - new hooks to cover areas including client create and destroy, pane
     activity, pane mode and prompt changes, pane movement and resizing, session
-    group changes and window creation, close, swap and zoom;
+    group changes and window creation, close and zoom;
 
   - OSC 133 escape sequences now trigger events: pane-command-started,
     pane-command-finished and pane-shell-prompt.
@@ -95,23 +87,10 @@ CHANGES FROM 3.7c TO 3.8
   while scrolling or while hovered and disappears after pane-scrollbars-timeout
   (Michael Grant).
 
-* Add a clear-on-attach server option. When disabled, tmux does not enter the
-  alternate screen on attach and instead scrolls the existing terminal content
-  into the scrollback buffer so it remains accessible (issue 5508).
-
-* Copy mode can now automatically refresh as pane content changes with the
-  refresh-on, refresh-off and refresh-toggle commands. Automatic refresh is off
-  by default; refresh-now refreshes once and is bound to r. These replace
-  refresh-from-pane (issue 5165).
-
 * Extend the fill-character option so both inside and outside the window can be
-  changed, with a new default for unused areas inside the window.
+  changed.
 
-* Change show-options and show-hooks to use formats and add a -F flag to each.
-
-* Allow individual terminal features to be disabled by adding @ to their names
-  in terminal-features, and add a utf8 feature for terminals which support
-  UTF-8 output.
+* Change set-option and set-hooks to use formats and add a -F flag to each.
 
 * Add a #{A/count:frames} modifier to show a series of frames as an animation
   in the status line (issue 5412 from Fernando Daciuk).
@@ -126,8 +105,6 @@ CHANGES FROM 3.7c TO 3.8
 * Add new-window -E, respawn-pane -E and respawn-window -E as more convenient
   methods to create an empty pane (rather than using '' for the command).
 
-* Add a default C-b T binding to change the current pane title.
-
 * Menus now belong to the window, so appear on all clients.
 
 * Dragging over an existing copy mode selection now adjusts it (Michael Grant).
@@ -141,13 +118,6 @@ CHANGES FROM 3.7c TO 3.8
 * Copy mode no longer exits at the bottom while a selection is in progress
   (issue 5349).
 
-* Add copy-mode-current-line-style to set the style of the line containing the
-  cursor in copy mode (issue 5391).
-
-* Copy mode word commands now recognise all Unicode whitespace characters; a
-  space in word-separators matches any Unicode whitespace character (issue
-  5562).
-
 * Add style attributes for dimming colours (dim=) and for hyperlinks (link= and
   nolink) (issues 4842 and 4280 from Moritz Angermann).
 
@@ -158,9 +128,7 @@ CHANGES FROM 3.7c TO 3.8
 
 * Add or improve format variables including client_colours,
   pane_start_command_list, window_manual_width, window_manual_height,
-  pane_last_output_time, pane_modal_flag, window_modal_pane, pane_private_modes,
-  pane_output_generation, history_added, history_collected, history_generation,
-  hook_fire_count and hook_fire_time.
+  pane_last_output_time, pane_modal_flag and window_modal_pane.
 
 * Add additional pane sort orders, and a z sort order for choose-tree so
   floating panes can be sorted by z-index.
@@ -177,10 +145,7 @@ CHANGES FROM 3.7c TO 3.8
 
 * Fix control mode clients hanging on exit if pty data was still queued (Ben
   Maurer, issue 5356), and avoid sending notifications to clients which are
-  already exiting (Ben Maurer, issue 5357). Queue notifications so they are not
-  sent inside %begin/%end (issue 5458), do not let a stuck client prevent the
-  server from exiting (issue 5444), and reset control mode offsets when a pane
-  is respawned (issue 5498).
+  already exiting (Ben Maurer, issue 5357).
 
 * Fix grouped sessions sometimes being left as unusable command targets while
   they are being killed (Bryce Miller, issue 5180).

Makefile.am

@@ -85,6 +85,7 @@ endif
 
 # List of sources.
 dist_tmux_SOURCES = \
+	active.c \
 	alerts.c \
 	arguments.c \
 	attributes.c \

active.c

@@ -0,0 +1,737 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2026 Nicholas Marriott <nicholas.marriott@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include <stdlib.h>
+
+#include "tmux.h"
+
+/* Local last-window stack entry. */
+struct active_window_entry {
+	u_int					window;
+	TAILQ_ENTRY(active_window_entry)	entry;
+};
+
+/* Local last-window stack. */
+TAILQ_HEAD(active_window_stack, active_window_entry);
+
+/* Per-client and per-session local active window state. */
+struct active_window {
+	struct client			*client;
+	struct session			*session;
+
+	u_int				 window;
+	struct active_window_stack	 lastw;
+
+	RB_ENTRY(active_window)		 entry;
+};
+RB_HEAD(active_windows, active_window);
+
+/* Pane entry in a client-local last-pane stack. */
+struct active_pane_entry {
+	struct window_pane		*wp;
+	TAILQ_ENTRY(active_pane_entry)	 entry;
+};
+TAILQ_HEAD(active_pane_stack, active_pane_entry);
+
+/* Per-client and per-window local active pane state. */
+struct active_pane {
+	struct client			*client;
+	struct window			*window;
+	enum active_mode		 mode;
+	struct window_pane		*pane;
+	struct active_pane_stack	 last_panes;
+
+	RB_ENTRY(active_pane)	 entry;
+};
+RB_HEAD(active_panes, active_pane);
+
+/* Compare local active window states by client and session. */
+static int
+active_window_cmp(struct active_window *aw1, struct active_window *aw2)
+{
+	uintptr_t	c1 = (uintptr_t)aw1->client;
+	uintptr_t	c2 = (uintptr_t)aw2->client;
+	uintptr_t	s1 = (uintptr_t)aw1->session;
+	uintptr_t	s2 = (uintptr_t)aw2->session;
+
+	if (c1 < c2)
+		return (-1);
+	if (c1 > c2)
+		return (1);
+	if (s1 < s2)
+		return (-1);
+	if (s1 > s2)
+		return (1);
+	return (0);
+}
+RB_GENERATE_STATIC(active_windows, active_window, entry, active_window_cmp);
+
+/* Compare local active pane states by client and window. */
+static int
+active_pane_cmp(struct active_pane *ap1, struct active_pane *ap2)
+{
+	uintptr_t	c1 = (uintptr_t)ap1->client;
+	uintptr_t	c2 = (uintptr_t)ap2->client;
+	uintptr_t	w1 = (uintptr_t)ap1->window;
+	uintptr_t	w2 = (uintptr_t)ap2->window;
+
+	if (c1 < c2)
+		return (-1);
+	if (c1 > c2)
+		return (1);
+	if (w1 < w2)
+		return (-1);
+	if (w1 > w2)
+		return (1);
+	return (0);
+}
+RB_GENERATE_STATIC(active_panes, active_pane, entry, active_pane_cmp);
+
+/* All local active window states. */
+static struct active_windows active_windows = RB_INITIALIZER(&active_windows);
+
+/* All local active pane states. */
+static struct active_panes active_panes = RB_INITIALIZER(&active_panes);
+
+/* Find local active window state for a client and session. */
+static struct active_window *
+active_window_get(struct client *c, struct session *s)
+{
+	struct active_window	aw;
+
+	if (c == NULL || s == NULL)
+		return (NULL);
+	aw.client = c;
+	aw.session = s;
+	return (RB_FIND(active_windows, &active_windows, &aw));
+}
+
+/* Add local active window state for a client and session. */
+static struct active_window *
+active_window_add(struct client *c, struct session *s, struct winlink *wl)
+{
+	struct active_window	*aw;
+
+	aw = active_window_get(c, s);
+	if (aw == NULL) {
+		aw = xcalloc(1, sizeof *aw);
+		aw->client = c;
+		aw->session = s;
+		TAILQ_INIT(&aw->lastw);
+		RB_INSERT(active_windows, &active_windows, aw);
+	}
+	if (wl != NULL)
+		aw->window = wl->window->id;
+	return (aw);
+}
+
+/* Remove a window from a local last-window stack. */
+static void
+active_window_stack_remove(struct active_window_stack *stack, u_int window)
+{
+	struct active_window_entry	*awe, *awe1;
+
+	TAILQ_FOREACH_SAFE(awe, stack, entry, awe1) {
+		if (awe->window == window) {
+			TAILQ_REMOVE(stack, awe, entry);
+			free(awe);
+		}
+	}
+}
+
+/* Push a window onto a local last-window stack. */
+static void
+active_window_stack_push(struct active_window_stack *stack, u_int window)
+{
+	struct active_window_entry	*awe;
+
+	active_window_stack_remove(stack, window);
+	awe = xcalloc(1, sizeof *awe);
+	awe->window = window;
+	TAILQ_INSERT_HEAD(stack, awe, entry);
+}
+
+/* Free local active window state. */
+static void
+active_window_free(struct active_window *aw)
+{
+	struct active_window_entry	*awe;
+
+	while (!TAILQ_EMPTY(&aw->lastw)) {
+		awe = TAILQ_FIRST(&aw->lastw);
+		TAILQ_REMOVE(&aw->lastw, awe, entry);
+		free(awe);
+	}
+	RB_REMOVE(active_windows, &active_windows, aw);
+	free(aw);
+}
+
+/* Resolve local active window state to a valid winlink. */
+static struct winlink *
+active_window_resolve(struct active_window *aw)
+{
+	struct winlink	*wl, *next;
+	u_int		 window;
+
+	if (aw == NULL || aw->session->curw == NULL)
+		return (NULL);
+
+	wl = winlink_find_by_window_id(&aw->session->windows, aw->window);
+	if (wl != NULL)
+		return (wl);
+
+	while (!TAILQ_EMPTY(&aw->lastw)) {
+		window = TAILQ_FIRST(&aw->lastw)->window;
+
+		next = winlink_find_by_window_id(&aw->session->windows, window);
+		active_window_stack_remove(&aw->lastw, window);
+		if (next != NULL) {
+			aw->window = next->window->id;
+			return (next);
+		}
+	}
+
+	aw->window = aw->session->curw->window->id;
+	return (aw->session->curw);
+}
+
+/* Notify the server that a client's effective window changed. */
+static void
+active_window_changed(struct client *c, struct session *s, struct winlink *wl,
+    struct winlink *old)
+{
+	struct event_payload	*ep;
+	struct cmd_find_state	 fs;
+
+	if (wl == NULL || wl == old)
+		return;
+
+	if (options_get_number(global_options, "focus-events")) {
+		if (old != NULL)
+			window_update_focus(old->window);
+		window_update_focus(wl->window);
+	}
+	winlink_clear_flags(wl);
+	window_update_activity(wl->window);
+	tty_update_window_offset(wl->window);
+
+	if (c != NULL && c->session == s)
+		wl->window->latest = c;
+
+	ep = event_payload_create();
+	cmd_find_from_winlink(&fs, wl, 0);
+	event_payload_set_target(ep, &fs);
+	event_payload_set_client(ep, "client", c);
+	event_payload_set_session(ep, "session", s);
+	event_payload_set_window(ep, "window", wl->window);
+	event_payload_set_window(ep, "new_window", wl->window);
+	event_payload_set_int(ep, "window_index", wl->idx);
+	event_payload_set_int(ep, "new_window_index", wl->idx);
+	if (old != NULL) {
+		event_payload_set_window(ep, "old_window", old->window);
+		event_payload_set_int(ep, "old_window_index", old->idx);
+	}
+	events_fire("client-window-changed", ep);
+
+	if (c != NULL) {
+		c->flags |= CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS|
+		    CLIENT_REDRAWBORDERS;
+		tty_update_client_offset(c);
+		status_update_cache(s);
+	}
+	recalculate_sizes();
+}
+
+/* Find local active pane state for a client and window. */
+static struct active_pane *
+active_pane_get(struct client *c, struct window *w)
+{
+	struct active_pane	ap;
+
+	if (c == NULL || w == NULL)
+		return (NULL);
+	ap.client = c;
+	ap.window = w;
+	return (RB_FIND(active_panes, &active_panes, &ap));
+}
+
+/* Add local active pane state for a client and window. */
+static struct active_pane *
+active_pane_add(struct client *c, struct window *w)
+{
+	struct active_pane	*ap;
+
+	ap = active_pane_get(c, w);
+	if (ap == NULL) {
+		ap = xcalloc(1, sizeof *ap);
+		ap->client = c;
+		ap->window = w;
+		TAILQ_INIT(&ap->last_panes);
+		RB_INSERT(active_panes, &active_panes, ap);
+	}
+	return (ap);
+}
+
+/* Remove a pane from a client-local last-pane stack. */
+static void
+active_pane_stack_remove(struct active_pane *ap,
+    struct window_pane *wp)
+{
+	struct active_pane_entry	*ape, *ape1;
+
+	TAILQ_FOREACH_SAFE(ape, &ap->last_panes, entry, ape1) {
+		if (ape->wp == wp) {
+			TAILQ_REMOVE(&ap->last_panes, ape, entry);
+			free(ape);
+		}
+	}
+}
+
+/* Push a pane onto a client-local last-pane stack. */
+static void
+active_pane_stack_push(struct active_pane *ap, struct window_pane *wp)
+{
+	struct active_pane_entry	*ape;
+
+	if (wp == NULL)
+		return;
+	active_pane_stack_remove(ap, wp);
+	ape = xcalloc(1, sizeof *ape);
+	ape->wp = wp;
+	TAILQ_INSERT_HEAD(&ap->last_panes, ape, entry);
+}
+
+/* Free local active pane state. */
+static void
+active_pane_free(struct active_pane *ap)
+{
+	struct active_pane_entry	*ape, *ape1;
+
+	RB_REMOVE(active_panes, &active_panes, ap);
+	TAILQ_FOREACH_SAFE(ape, &ap->last_panes, entry, ape1) {
+		TAILQ_REMOVE(&ap->last_panes, ape, entry);
+		free(ape);
+	}
+	free(ap);
+}
+
+/* Check whether a pane can be the effective pane for a window. */
+static int
+active_pane_valid(struct window *w, struct window_pane *wp)
+{
+	if (w == NULL || wp == NULL || wp->window != w)
+		return (0);
+	if (!window_has_pane(w, wp))
+		return (0);
+	if (w->modal != NULL && wp != w->modal)
+		return (0);
+	return (1);
+}
+
+/* Get the shared pane for a window, accounting for modal panes. */
+static struct window_pane *
+active_pane_default(struct window *w)
+{
+	if (w == NULL)
+		return (NULL);
+	if (w->modal != NULL)
+		return (w->modal);
+	return (w->active);
+}
+
+/* Return if a client has local window selection for a session. */
+int
+active_is_local_window(struct client *c, struct session *s)
+{
+	return (active_window_get(c, s) != NULL);
+}
+
+/* Make a client use local or shared window selection for a session. */
+void
+active_set_local_window(struct client *c, struct session *s,
+    enum active_mode mode)
+{
+	struct active_window	*aw;
+	struct winlink		*wl, *old;
+
+	if (c == NULL || s == NULL || s->curw == NULL)
+		return;
+
+	old = active_get_effective_winlink(c, s);
+	if (mode == ACTIVE_LOCAL) {
+		active_window_add(c, s, old);
+		if (c != NULL && c->session == s)
+			c->flags |= CLIENT_REDRAWSTATUS;
+		return;
+	}
+
+	aw = active_window_get(c, s);
+	if (aw != NULL) {
+		active_window_free(aw);
+		wl = active_get_effective_winlink(c, s);
+		active_window_changed(c, s, wl, old);
+		if (c != NULL && c->session == s)
+			c->flags |= CLIENT_REDRAWSTATUS;
+	}
+}
+
+/* Return the effective winlink for a client and session. */
+struct winlink *
+active_get_effective_winlink(struct client *c, struct session *s)
+{
+	struct active_window	*aw;
+
+	if (s == NULL)
+		return (NULL);
+	aw = active_window_get(c, s);
+	if (aw != NULL)
+		return (active_window_resolve(aw));
+	return (s->curw);
+}
+
+/* Return the effective window for a client and session. */
+struct window *
+active_get_effective_window(struct client *c, struct session *s)
+{
+	struct winlink	*wl;
+
+	wl = active_get_effective_winlink(c, s);
+	if (wl == NULL)
+		return (NULL);
+	return (wl->window);
+}
+
+/* Select a winlink for a client and session. */
+int
+active_select_window(struct client *c, struct session *s, struct winlink *wl)
+{
+	struct active_window	*aw;
+	struct winlink		*old;
+	int			 changed;
+
+	if (wl == NULL)
+		return (-1);
+	aw = active_window_get(c, s);
+	if (aw == NULL)
+		return (session_set_current(s, wl));
+
+	old = active_window_resolve(aw);
+	if (old == wl)
+		return (1);
+	if (old != NULL)
+		active_window_stack_push(&aw->lastw, old->window->id);
+	active_window_stack_remove(&aw->lastw, wl->window->id);
+	aw->window = wl->window->id;
+	changed = (old != wl);
+	active_window_changed(c, s, wl, old);
+	return (changed ? 0 : 1);
+}
+
+/* Select a window by index. */
+int
+active_select_window_index(struct client *c, struct session *s, int idx)
+{
+	struct winlink	*wl;
+
+	wl = winlink_find_by_index(&s->windows, idx);
+	return (active_select_window(c, s, wl));
+}
+
+/* Select the next window. */
+int
+active_next_window(struct client *c, struct session *s, int alert)
+{
+	struct winlink	*wl;
+
+	wl = active_get_effective_winlink(c, s);
+	if (wl == NULL)
+		return (-1);
+	do {
+		wl = winlink_next(wl);
+		if (wl == NULL)
+			wl = RB_MIN(winlinks, &s->windows);
+		if (!alert || (wl->flags & WINLINK_ALERTFLAGS))
+			return (active_select_window(c, s, wl));
+	} while (wl != active_get_effective_winlink(c, s));
+	return (-1);
+}
+
+/* Select the previous window. */
+int
+active_previous_window(struct client *c, struct session *s, int alert)
+{
+	struct winlink	*wl;
+
+	wl = active_get_effective_winlink(c, s);
+	if (wl == NULL)
+		return (-1);
+	do {
+		wl = winlink_previous(wl);
+		if (wl == NULL)
+			wl = RB_MAX(winlinks, &s->windows);
+		if (!alert || (wl->flags & WINLINK_ALERTFLAGS))
+			return (active_select_window(c, s, wl));
+	} while (wl != active_get_effective_winlink(c, s));
+	return (-1);
+}
+
+/* Select the last window. */
+int
+active_last_window(struct client *c, struct session *s)
+{
+	struct active_window	*aw;
+	struct winlink		*wl;
+	u_int			 window;
+
+	aw = active_window_get(c, s);
+	if (aw == NULL)
+		return (session_last(s));
+	while (!TAILQ_EMPTY(&aw->lastw)) {
+		window = TAILQ_FIRST(&aw->lastw)->window;
+
+		wl = winlink_find_by_window_id(&s->windows, window);
+		if (wl != NULL)
+			return (active_select_window(c, s, wl));
+		active_window_stack_remove(&aw->lastw, window);
+	}
+	return (-1);
+}
+
+/* Return if this winlink is the effective winlink. */
+int
+active_is_effective_window(struct client *c, struct session *s,
+    struct winlink *wl)
+{
+	return (wl != NULL && wl == active_get_effective_winlink(c, s));
+}
+
+/* Return if this winlink is the last effective winlink. */
+int
+active_is_last_window(struct client *c, struct session *s, struct winlink *wl)
+{
+	struct active_window		*aw;
+	struct active_window_entry	*awe;
+
+	if (wl == NULL)
+		return (0);
+	aw = active_window_get(c, s);
+	if (aw == NULL)
+		return (wl == TAILQ_FIRST(&s->lastw));
+	TAILQ_FOREACH(awe, &aw->lastw, entry) {
+		if (winlink_find_by_window_id(&s->windows, awe->window) == NULL)
+			continue;
+		return (wl->window->id == awe->window);
+	}
+	return (0);
+}
+
+/* Return if a client has local pane selection for a window. */
+int
+active_has_local_pane(struct client *c, struct window *w)
+{
+	struct active_pane	*ap;
+
+	ap = active_pane_get(c, w);
+	return (ap != NULL && ap->mode == ACTIVE_LOCAL);
+}
+
+/* Make a client use local or shared pane selection for a window. */
+void
+active_set_pane_mode(struct client *c, struct window *w, enum active_mode mode)
+{
+	struct active_pane	*ap;
+	struct window_pane	*wp;
+
+	if (c == NULL || w == NULL)
+		return;
+	if (mode == ACTIVE_SHARED) {
+		ap = active_pane_get(c, w);
+		if (ap != NULL)
+			ap->mode = ACTIVE_SHARED;
+		server_redraw_client(c);
+		server_status_client(c);
+		return;
+	}
+
+	if (server_client_how_many() < 2) {
+		ap = active_pane_get(c, w);
+		if (ap != NULL)
+			ap->mode = ACTIVE_SHARED;
+		server_redraw_client(c);
+		server_status_client(c);
+		return;
+	}
+
+	wp = active_get_effective_pane(c, w);
+	if (wp == NULL)
+		wp = active_pane_default(w);
+	ap = active_pane_add(c, w);
+	ap->mode = ACTIVE_LOCAL;
+	ap->pane = wp;
+	server_redraw_client(c);
+	server_status_client(c);
+}
+
+/* Return the effective active pane for a client and window. */
+struct window_pane *
+active_get_effective_pane(struct client *c, struct window *w)
+{
+	struct active_pane	*ap;
+	struct window_pane	*wp;
+
+	wp = active_pane_default(w);
+	ap = active_pane_get(c, w);
+	if (ap == NULL || ap->mode != ACTIVE_LOCAL)
+		return (wp);
+	if (!active_pane_valid(w, ap->pane)) {
+		ap->pane = wp;
+		if (wp != NULL)
+			active_pane_stack_remove(ap, wp);
+		return (wp);
+	}
+	return (ap->pane);
+}
+
+/* Return the effective last pane for a client and window. */
+struct window_pane *
+active_get_last_pane(struct client *c, struct window *w)
+{
+	struct active_pane		*ap;
+	struct active_pane_entry	*ape, *ape1;
+
+	if (!active_has_local_pane(c, w))
+		return (w == NULL ? NULL : TAILQ_FIRST(&w->last_panes));
+
+	ap = active_pane_get(c, w);
+	TAILQ_FOREACH_SAFE(ape, &ap->last_panes, entry, ape1) {
+		if (active_pane_valid(w, ape->wp))
+			return (ape->wp);
+		TAILQ_REMOVE(&ap->last_panes, ape, entry);
+		free(ape);
+	}
+	return (NULL);
+}
+
+/* Select a pane using either shared or local state. */
+int
+active_set_pane(struct client *c, struct window *w, struct window_pane *wp,
+    int notify)
+{
+	struct active_pane	*ap;
+	struct window_pane	*lastwp;
+
+	if (!active_pane_valid(w, wp))
+		return (0);
+	if (!active_has_local_pane(c, w))
+		return (window_set_active_pane(w, wp, notify));
+
+	lastwp = active_get_effective_pane(c, w);
+	if (wp == lastwp)
+		return (0);
+
+	ap = active_pane_add(c, w);
+	active_pane_stack_remove(ap, wp);
+	active_pane_stack_push(ap, lastwp);
+	ap->pane = wp;
+
+	if (c != NULL) {
+		server_redraw_client(c);
+		server_status_client(c);
+	}
+	return (1);
+}
+
+/* Remove all local pane state if fewer than two clients remain. */
+void
+active_check_clients(void)
+{
+	struct active_pane	*ap, *ap1;
+
+	if (server_client_how_many() >= 2)
+		return;
+
+	RB_FOREACH_SAFE(ap, active_panes, &active_panes, ap1) {
+		if (ap->mode == ACTIVE_LOCAL) {
+			server_redraw_client(ap->client);
+			server_status_client(ap->client);
+		}
+		active_pane_free(ap);
+	}
+}
+
+/* Remove all state for a client. */
+void
+active_remove_client(struct client *c)
+{
+	struct active_window	*aw, *aw1;
+	struct active_pane		*ap, *ap1;
+
+	RB_FOREACH_SAFE(aw, active_windows, &active_windows, aw1) {
+		if (aw->client == c)
+			active_window_free(aw);
+	}
+	RB_FOREACH_SAFE(ap, active_panes, &active_panes, ap1) {
+		if (ap->client == c)
+			active_pane_free(ap);
+	}
+}
+
+/* Remove all window state for a session. */
+void
+active_remove_session(struct session *s)
+{
+	struct active_window	*aw, *aw1;
+
+	RB_FOREACH_SAFE(aw, active_windows, &active_windows, aw1) {
+		if (aw->session == s)
+			active_window_free(aw);
+	}
+}
+
+/* Remove a window from all local state. */
+void
+active_remove_window(struct window *w)
+{
+	struct active_window	*aw;
+	struct active_pane		*ap, *ap1;
+
+	RB_FOREACH(aw, active_windows, &active_windows) {
+		active_window_stack_remove(&aw->lastw, w->id);
+		if (aw->window == w->id && aw->session->curw != NULL)
+			aw->window = aw->session->curw->window->id;
+	}
+	RB_FOREACH_SAFE(ap, active_panes, &active_panes, ap1) {
+		if (ap->window == w)
+			active_pane_free(ap);
+	}
+}
+
+/* Remove a pane from all local pane state. */
+void
+active_remove_pane(struct window_pane *wp)
+{
+	struct active_pane	*ap, *ap1;
+
+	RB_FOREACH_SAFE(ap, active_panes, &active_panes, ap1) {
+		active_pane_stack_remove(ap, wp);
+		if (ap->pane == wp)
+			ap->pane = NULL;
+	}
+}

alerts.c

@@ -314,7 +314,7 @@ alerts_set_message(struct winlink *wl, const char *type, const char *option)
 			tty_putcode(&c->tty, TTYC_BEL);
 		if (visual == VISUAL_OFF)
 			continue;
-		if (c->session->curw == wl) {
+		if (active_get_effective_winlink(c, c->session) == wl) {
 			status_message_set(c, -1, 1, 0, 0,
 			    "%s in current window", type);
 		} else {

cmd-attach-session.c

@@ -93,7 +93,7 @@ cmd_attach_session(struct cmdq_item *item, const char *tflag, int dflag,
 	if (wl != NULL) {
 		if (wp != NULL)
 			window_set_active_pane(wp->window, wp, 1);
-		session_set_current(s, wl);
+		active_select_window(c, s, wl);
 		if (wp != NULL)
 			cmd_find_from_winlink_pane(current, wl, wp, 0);
 		else

cmd-break-pane.c

@@ -93,14 +93,18 @@ cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
 	struct cmd_find_state	*current = cmdq_get_current(item);
 	struct cmd_find_state	*target = cmdq_get_target(item);
 	struct cmd_find_state	*source = cmdq_get_source(item);
+	struct client		*c = cmdq_get_client(item);
 	struct client		*tc = cmdq_get_target_client(item);
+	struct client		*ac;
 	struct winlink		*wl = source->wl;
+	struct winlink		*current_wl;
 	struct session		*src_s = source->s;
 	struct session		*dst_s = target->s;
 	struct window_pane	*wp = source->wp;
 	struct window		*w = wl->window, *old_w = w;
 	char			*cause, *cp;
 	int			 idx = target->idx, before, old_idx = wl->idx;
+	int			 detached, local;
 	const char		*template, *name = args_get(args, 'n');
 
 	if (wp == w->modal) {
@@ -117,11 +121,18 @@ cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
 	}
 
 	before = args_has(args, 'b');
+	ac = tc;
+	if (ac == NULL || ac->session != dst_s)
+		ac = c;
+	detached = args_has(args, 'd');
+	local = (!detached && active_is_local_window(ac, dst_s));
 	if (args_has(args, 'a') || before) {
 		if (target->wl != NULL)
 			idx = winlink_shuffle_up(dst_s, target->wl, before);
-		else
-			idx = winlink_shuffle_up(dst_s, dst_s->curw, before);
+		else {
+			current_wl = active_get_effective_winlink(ac, dst_s);
+			idx = winlink_shuffle_up(dst_s, current_wl, before);
+		}
 		if (idx == -1)
 			return (CMD_RETURN_ERROR);
 	}
@@ -129,7 +140,7 @@ cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
 
 	if (window_count_panes(w, 1) == 1) {
 		if (server_link_window(src_s, wl, dst_s, idx, 0,
-		    !args_has(args, 'd'), &cause) != 0) {
+		    !detached && !local, &cause) != 0) {
 			cmdq_error(item, "%s", cause);
 			free(cause);
 			return (CMD_RETURN_ERROR);
@@ -142,6 +153,13 @@ cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
 		wl = winlink_find_by_window(&dst_s->windows, w);
 		if (wl == NULL)
 			return (CMD_RETURN_ERROR);
+		if (local) {
+			active_select_window(ac, dst_s, wl);
+			if (ac != NULL && ac->session == dst_s)
+				cmd_find_from_client(current, ac, 0);
+			if (ac != NULL && ac->session == dst_s)
+				server_redraw_client(ac);
+		}
 		window_fire_pane_moved(wp, old_w, old_idx, w, wl->idx);
 		goto out;
 	}
@@ -185,9 +203,17 @@ cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
 	window_remove_ref(w, __func__);
 	events_fire_window("window-created", w);
 	window_fire_pane_moved(wp, old_w, old_idx, w, wl->idx);
-	if (!args_has(args, 'd')) {
-		session_select(dst_s, wl->idx);
-		cmd_find_from_session(current, dst_s, 0);
+	if (!detached) {
+		if (local)
+			active_select_window(ac, dst_s, wl);
+		else
+			session_select(dst_s, wl->idx);
+		if (local && ac != NULL && ac->session == dst_s)
+			cmd_find_from_client(current, ac, 0);
+		else
+			cmd_find_from_session(current, dst_s, 0);
+		if (local && ac != NULL && ac->session == dst_s)
+			server_redraw_client(ac);
 	}
 
 	server_redraw_session(src_s);

cmd-copy-mode.c

@@ -30,8 +30,8 @@ const struct cmd_entry cmd_copy_mode_entry = {
 	.name = "copy-mode",
 	.alias = NULL,
 
-	.args = { "UcdekHMqSs:t:u", 0, 0, NULL },
-	.usage = "[-UcdekHMqSu] [-s src-pane] " CMD_TARGET_PANE_USAGE,
+	.args = { "dekHMqSs:t:u", 0, 0, NULL },
+	.usage = "[-dekHMqSu] [-s src-pane] " CMD_TARGET_PANE_USAGE,
 
 	.source =  { 's', CMD_FIND_PANE, 0 },
 	.target = { 't', CMD_FIND_PANE, 0 },

cmd-display-menu.c

@@ -483,7 +483,7 @@ cmd_display_menu_exec(struct cmd *self, struct cmdq_item *item)
 	char			*title, *cause = NULL;
 	int			 flags = 0, starting_choice = 0;
 	u_int			 px, py, i, count = args_count(args);
-	struct options		*o = target->s->curw->window->options;
+	struct options		*o = target->w->options;
 	struct options_entry	*oe;
 
 	if (args_has(args, 'C')) {
@@ -584,7 +584,7 @@ cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
 	u_int			 px, py, w, h, count = args_count(args);
 	struct args_value	*av;
 	struct environ		*env = NULL;
-	struct options		*o = s->curw->window->options;
+	struct options		*o = target->w->options;
 	struct options_entry	*oe;
 
 	if (args_has(args, 'C')) {

cmd-find.c

@@ -884,13 +884,13 @@ cmd_find_from_client(struct cmd_find_state *fs, struct client *c, int flags)
 	if (c->session != NULL) {
 		cmd_find_clear_state(fs, flags);
 
-		fs->wp = c->session->curw->window->active;
+		fs->wl = active_get_effective_winlink(c, c->session);
+		fs->wp = active_get_effective_pane(c, fs->wl->window);
 		if (fs->wp == NULL) {
 			cmd_find_from_session(fs, c->session, flags);
 			return (0);
 		}
 		fs->s = c->session;
-		fs->wl = fs->s->curw;
 		fs->w = fs->wl->window;
 
 		cmd_find_log_state(__func__, fs);
@@ -931,6 +931,57 @@ unknown_pane:
 	return (cmd_find_from_nothing(fs, flags));
 }
 
+/* Find state from mouse target. */
+static int
+cmd_find_target_from_mouse(struct cmd_find_state *fs, struct cmdq_item *item,
+    enum cmd_find_type type)
+{
+	struct mouse_event	*m = &cmdq_get_event(item)->m;
+	struct client		*c = cmdq_get_client(item);
+	struct client		*tc = cmdq_get_target_client(item);
+
+	switch (type) {
+	case CMD_FIND_PANE:
+		if (m->s != -1 && m->w == -1 && m->wp == -1 &&
+		    (fs->s = session_find_by_id(m->s)) != NULL) {
+			if (tc != NULL && tc->session == fs->s)
+				fs->wl = active_get_effective_winlink(tc, fs->s);
+			else if (c != NULL && c->session == fs->s)
+				fs->wl = active_get_effective_winlink(c, fs->s);
+			else
+				fs->wl = fs->s->curw;
+			if (fs->wl != NULL) {
+				fs->w = fs->wl->window;
+				fs->wp = fs->w->active;
+				break;
+			}
+		}
+		fs->wp = cmd_mouse_pane(m, &fs->s, &fs->wl);
+		if (fs->wp != NULL) {
+			fs->w = fs->wl->window;
+			break;
+		}
+		/* FALLTHROUGH */
+	case CMD_FIND_WINDOW:
+	case CMD_FIND_SESSION:
+		fs->wl = cmd_mouse_window(m, &fs->s);
+		if (fs->s != NULL && m->w == -1 &&
+		    tc != NULL && tc->session == fs->s)
+			fs->wl = active_get_effective_winlink(tc, fs->s);
+		else if (fs->s != NULL && m->w == -1 &&
+		    c != NULL && c->session == fs->s)
+			fs->wl = active_get_effective_winlink(c, fs->s);
+		if (fs->wl == NULL && fs->s != NULL)
+			fs->wl = fs->s->curw;
+		if (fs->wl != NULL) {
+			fs->w = fs->wl->window;
+			fs->wp = fs->w->active;
+		}
+		break;
+	}
+	return (fs->wp == NULL ? -1 : 0);
+}
+
 /*
  * Split target into pieces and resolve for the given type. Fills in the given
  * state. Returns 0 on success or -1 on error.
@@ -939,7 +990,6 @@ int
 cmd_find_target(struct cmd_find_state *fs, struct cmdq_item *item,
     const char *target, enum cmd_find_type type, int flags)
 {
-	struct mouse_event	*m;
 	struct client		*c;
 	struct cmd_find_state	 current;
 	char			*colon, *period, *copy = NULL, tmp[256];
@@ -1015,35 +1065,15 @@ cmd_find_target(struct cmd_find_state *fs, struct cmdq_item *item,
 			cmdq_error(item, "no current client");
 			goto error;
 		}
-		fs->wl = c->session->curw;
-		fs->wp = c->session->curw->window->active;
-		fs->w = c->session->curw->window;
+		fs->wl = active_get_effective_winlink(c, c->session);
+		fs->wp = fs->wl->window->active;
+		fs->w = fs->wl->window;
 		goto found;
 	}
 
 	/* Mouse target is a plain = or {mouse}. */
 	if (strcmp(target, "=") == 0 || strcmp(target, "{mouse}") == 0) {
-		m = &cmdq_get_event(item)->m;
-		switch (type) {
-		case CMD_FIND_PANE:
-			fs->wp = cmd_mouse_pane(m, &fs->s, &fs->wl);
-			if (fs->wp != NULL) {
-				fs->w = fs->wl->window;
-				break;
-			}
-			/* FALLTHROUGH */
-		case CMD_FIND_WINDOW:
-		case CMD_FIND_SESSION:
-			fs->wl = cmd_mouse_window(m, &fs->s);
-			if (fs->wl == NULL && fs->s != NULL)
-				fs->wl = fs->s->curw;
-			if (fs->wl != NULL) {
-				fs->w = fs->wl->window;
-				fs->wp = fs->w->active;
-			}
-			break;
-		}
-		if (fs->wp == NULL) {
+		if (cmd_find_target_from_mouse(fs, item, type) != 0) {
 			if (~flags & CMD_FIND_QUIET)
 				cmdq_error(item, "no mouse target");
 			goto error;

cmd-join-pane.c

@@ -413,13 +413,16 @@ cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
 	struct cmd_find_state	*current = cmdq_get_current(item);
 	struct cmd_find_state	*target = cmdq_get_target(item);
 	struct cmd_find_state	*source = cmdq_get_source(item);
+	struct client		*c = cmdq_get_client(item);
+	struct client		*tc = cmdq_get_target_client(item);
+	struct client		*ac;
 	struct session		*dst_s;
 	struct winlink		*src_wl, *dst_wl;
 	struct window		*src_w, *dst_w;
 	struct window_pane	*src_wp, *dst_wp;
 	const char		*s;
 	char			*cause = NULL;
-	int			 flags = 0, dst_idx;
+	int			 flags = 0, dst_idx, local;
 	struct layout_cell	*lc;
 
 	dst_s = target->s;
@@ -427,6 +430,10 @@ cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
 	dst_wp = target->wp;
 	dst_w = dst_wl->window;
 	dst_idx = dst_wl->idx;
+	ac = tc;
+	if (ac == NULL || ac->session != dst_s)
+		ac = c;
+	local = active_is_local_window(ac, dst_s);
 
 	if (cmd_get_entry(self) == &cmd_move_pane_entry) {
 		if (args_has(args, 'M'))
@@ -512,9 +519,18 @@ cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
 
 	if (!args_has(args, 'd')) {
 		window_set_active_pane(dst_w, src_wp, 1);
-		session_select(dst_s, dst_idx);
-		cmd_find_from_session(current, dst_s, 0);
-		server_redraw_session(dst_s);
+		if (local)
+			active_select_window(ac, dst_s, dst_wl);
+		else
+			session_select(dst_s, dst_idx);
+		if (local && ac != NULL && ac->session == dst_s)
+			cmd_find_from_client(current, ac, 0);
+		else
+			cmd_find_from_session(current, dst_s, 0);
+		if (local && ac != NULL && ac->session == dst_s)
+			server_redraw_client(ac);
+		else
+			server_redraw_session(dst_s);
 	} else
 		server_status_session(dst_s);
 

cmd-move-window.c

@@ -62,12 +62,15 @@ cmd_move_window_exec(struct cmd *self, struct cmdq_item *item)
 	struct args		*args = cmd_get_args(self);
 	struct cmd_find_state	*source = cmdq_get_source(item);
 	struct cmd_find_state	 target;
+	struct client		*c = cmdq_get_client(item);
+	struct client		*tc = cmdq_get_target_client(item);
+	struct client		*ac;
 	const char		*tflag = args_get(args, 't');
 	struct session		*src = source->s;
 	struct session		*dst;
-	struct winlink		*wl = source->wl;
+	struct winlink		*wl = source->wl, *dstwl, *current_wl;
 	char			*cause;
-	int			 idx, kflag, dflag, sflag, before;
+	int			 idx, kflag, dflag, sflag, before, local;
 
 	if (args_has(args, 'r')) {
 		if (cmd_find_target(&target, item, tflag, CMD_FIND_SESSION,
@@ -90,23 +93,37 @@ cmd_move_window_exec(struct cmd *self, struct cmdq_item *item)
 	dflag = args_has(args, 'd');
 	sflag = args_has(args, 's');
 
+	ac = tc;
+	if (ac == NULL || ac->session != dst)
+		ac = c;
+	local = (!dflag && active_is_local_window(ac, dst));
+
 	before = args_has(args, 'b');
 	if (args_has(args, 'a') || before) {
 		if (target.wl != NULL)
 			idx = winlink_shuffle_up(dst, target.wl, before);
-		else
-			idx = winlink_shuffle_up(dst, dst->curw, before);
+		else {
+			current_wl = active_get_effective_winlink(ac, dst);
+			idx = winlink_shuffle_up(dst, current_wl, before);
+		}
 		if (idx == -1)
 			return (CMD_RETURN_ERROR);
 	}
 
-	if (server_link_window(src, wl, dst, idx, kflag, !dflag, &cause) != 0) {
+	if (server_link_window(src, wl, dst, idx, kflag, !dflag && !local,
+	    &cause) != 0) {
 		cmdq_error(item, "%s", cause);
 		free(cause);
 		return (CMD_RETURN_ERROR);
 	}
+	dstwl = winlink_find_by_window(&dst->windows, wl->window);
 	if (cmd_get_entry(self) == &cmd_move_window_entry)
 		server_unlink_window(src, wl);
+	if (local && dstwl != NULL) {
+		active_select_window(ac, dst, dstwl);
+		if (ac != NULL && ac->session == dst)
+			server_redraw_client(ac);
+	}
 
 	/*
 	 * Renumber the winlinks in the src session only, the destination

cmd-new-window.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-new-window.c,v 1.104 2026/09/03 21:04:11 nicm Exp $ */
+/* $OpenBSD: cmd-new-window.c,v 1.103 2026/07/08 08:07:42 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -58,10 +58,11 @@ cmd_new_window_exec(struct cmd *self, struct cmdq_item *item)
 	struct cmd_find_state	*target = cmdq_get_target(item);
 	struct spawn_context	 sc = { 0 };
 	struct client		*tc = cmdq_get_target_client(item);
+	struct client		*ac;
 	struct session		*s = target->s;
 	struct winlink		*wl = target->wl, *new_wl = NULL;
-	int			 idx = target->idx, before;
-	int			 count = args_count(args);
+	int			 idx = target->idx, before, count = args_count(args);
+	int			 detached, local;
 	char			*cause = NULL, *cp, *expanded, *wname = NULL;
 	const char		*template, *name;
 	struct cmd_find_state	 fs;
@@ -75,10 +76,8 @@ cmd_new_window_exec(struct cmd *self, struct cmdq_item *item)
 	}
 
 	/*
-	 * If -S is given, select an existing window instead of creating a
-	 * new one: preferring -t if it already points at a window, or
-	 * otherwise -n if one exists with that name. If neither matches,
-	 * fall through and create a window as normal.
+	 * If -S and -n are given and -t is not and a single window with this
+	 * name already exists, select it.
 	 */
 	name = args_get(args, 'n');
 	if (name != NULL) {
@@ -91,39 +90,37 @@ cmd_new_window_exec(struct cmd *self, struct cmdq_item *item)
 		wname = clean_name(expanded, 0);
 		free(expanded);
 	}
-	if (args_has(args, 'S')) {
-		if (idx != -1)
-			new_wl = winlink_find_by_index(&s->windows, idx);
-		else if (wname != NULL) {
-			expanded = format_single(item, wname, c, s, NULL, NULL);
-			RB_FOREACH(wl, winlinks, &s->windows) {
-				if (strcmp(wl->window->name, expanded) != 0)
-					continue;
-				if (new_wl == NULL) {
-					new_wl = wl;
-					continue;
-				}
-				cmdq_error(item, "multiple windows named %s",
-				    wname);
-				free(wname);
-				free(expanded);
-				return (CMD_RETURN_ERROR);
+	if (args_has(args, 'S') && wname != NULL && target->idx == -1) {
+		expanded = format_single(item, wname, c, s, NULL, NULL);
+		RB_FOREACH(wl, winlinks, &s->windows) {
+			if (strcmp(wl->window->name, expanded) != 0)
+				continue;
+			if (new_wl == NULL) {
+				new_wl = wl;
+				continue;
 			}
+			cmdq_error(item, "multiple windows named %s", wname);
+			free(wname);
 			free(expanded);
+			return (CMD_RETURN_ERROR);
 		}
-	}
-
-	/* Found an existing window to select instead of creating a new one. */
-	if (new_wl != NULL) {
-		free(wname);
-		if (args_has(args, 'd'))
+		free(expanded);
+		if (new_wl != NULL) {
+			free(wname);
+			if (args_has(args, 'd'))
+				return (CMD_RETURN_NORMAL);
+			if (active_select_window(c, s, new_wl) == 0) {
+				if (active_is_local_window(c, s) && c != NULL &&
+				    c->session == s)
+					server_redraw_client(c);
+				else
+					server_redraw_session(s);
+			}
+			if (c != NULL && c->session != NULL)
+				active_get_effective_window(c, s)->latest = c;
+			recalculate_sizes();
 			return (CMD_RETURN_NORMAL);
-		if (session_set_current(s, new_wl) == 0)
-			server_redraw_session(s);
-		if (c != NULL && c->session != NULL)
-			s->curw->window->latest = c;
-		recalculate_sizes();
-		return (CMD_RETURN_NORMAL);
+		}
 	}
 
 	before = args_has(args, 'b');
@@ -150,10 +147,16 @@ cmd_new_window_exec(struct cmd *self, struct cmdq_item *item)
 	sc.idx = idx;
 	sc.cwd = args_get(args, 'c');
 
+	ac = tc;
+	if (ac == NULL || ac->session != s)
+		ac = c;
+	detached = args_has(args, 'd');
+	local = (!detached && active_is_local_window(ac, s));
+
 	sc.flags = 0;
 	if (args_has(args, 'E') || (count == 1 && *args_string(args, 0) == '\0'))
 		sc.flags |= SPAWN_EMPTY;
-	if (args_has(args, 'd'))
+	if (detached || local)
 		sc.flags |= SPAWN_DETACHED;
 	if (args_has(args, 'k'))
 		sc.flags |= SPAWN_KILL;
@@ -163,7 +166,13 @@ cmd_new_window_exec(struct cmd *self, struct cmdq_item *item)
 		free(cause);
 		goto fail;
 	}
-	if (!args_has(args, 'd') || new_wl == s->curw) {
+	if (local) {
+		if (active_select_window(ac, s, new_wl) == 0)
+			cmd_find_from_winlink(current, new_wl, 0);
+		if (ac != NULL && ac->session == s)
+			server_redraw_client(ac);
+		server_status_session_group(s);
+	} else if (!detached || new_wl == s->curw) {
 		cmd_find_from_winlink(current, new_wl, 0);
 		server_redraw_session_group(s);
 	} else

cmd-refresh-client.c

@@ -203,7 +203,7 @@ cmd_refresh_client_exec(struct cmd *self, struct cmdq_item *item)
 		if (args_has(args, 'c'))
 			tc->pan_window = NULL;
 		else {
-			w = tc->session->curw->window;
+			w = active_get_effective_window(tc, tc->session);
 			if (tc->pan_window != w) {
 				tc->pan_window = w;
 				tc->pan_ox = tty->oox;

cmd-run-shell.c

@@ -79,7 +79,10 @@ static void
 cmd_run_shell_print(struct job *job, const char *msg)
 {
 	struct cmd_run_shell_data	*cdata = job_get_data(job);
+	struct client			*c = cdata->client;
+	struct session			*s;
 	struct window_pane		*wp = NULL;
+	struct window			*w;
 	struct cmd_find_state		 fs;
 	struct window_mode_entry	*wme;
 
@@ -90,8 +93,11 @@ cmd_run_shell_print(struct job *job, const char *msg)
 			cmdq_print(cdata->item, "%s", msg);
 			return;
 		}
-		if (cdata->client != NULL && cdata->client->session != NULL)
-			wp = cdata->client->session->curw->window->active;
+		if (c != NULL && c->session != NULL) {
+			s = c->session;
+			w = active_get_effective_window(c, s);
+			wp = active_get_effective_pane(c, w);
+		}
 		if (wp == NULL && cmd_find_from_nothing(&fs, 0) == 0)
 			wp = fs.wp;
 		if (wp == NULL)

cmd-select-pane.c

@@ -33,8 +33,8 @@ const struct cmd_entry cmd_select_pane_entry = {
 	.name = "select-pane",
 	.alias = "selectp",
 
-	.args = { "DdegLlMmP:RT:t:UZ", 0, 0, NULL }, /* -P and -g deprecated */
-	.usage = "[-DdeLlMmRUZ] [-T title] " CMD_TARGET_PANE_USAGE,
+	.args = { "DdegLlMmP:RsST:t:UZ", 0, 0, NULL }, /* -P and -g deprecated */
+	.usage = "[-DdeLlMmRsSUZ] [-T title] " CMD_TARGET_PANE_USAGE,
 
 	.target = { 't', CMD_FIND_PANE, 0 },
 
@@ -68,10 +68,11 @@ cmd_select_pane_redraw(struct window *w)
 	TAILQ_FOREACH(c, &clients, entry) {
 		if (c->session == NULL || (c->flags & CLIENT_CONTROL))
 			continue;
-		if (c->session->curw->window == w && tty_window_bigger(&c->tty))
+		if (active_get_effective_window(c, c->session) == w &&
+		    tty_window_bigger(&c->tty))
 			server_redraw_client(c);
 		else {
-			if (c->session->curw->window == w)
+			if (active_get_effective_window(c, c->session) == w)
 				c->flags |= CLIENT_REDRAWBORDERS;
 			if (session_has(c->session, w))
 				c->flags |= CLIENT_REDRAWSTATUS;
@@ -84,6 +85,7 @@ static enum cmd_retval
 cmd_select_pane_marked_pane(struct cmd *self, struct cmdq_item *item)
 {
 	struct args		*args = cmd_get_args(self);
+	struct client		*c = cmdq_get_client(item);
 	struct cmd_find_state	*target = cmdq_get_target(item);
 	struct event_payload	*ep;
 	struct cmd_find_state	 fs;
@@ -137,8 +139,9 @@ cmd_select_pane_marked_pane(struct cmd *self, struct cmdq_item *item)
 		server_status_window(mwp->window);
 	}
 	if (window_pane_is_floating(wp)) {
-		window_redraw_active_switch(wp->window, wp);
-		window_set_active_pane(wp->window, wp, 1);
+		if (!active_has_local_pane(c, wp->window))
+			window_redraw_active_switch(wp->window, wp);
+		active_set_pane(c, wp->window, wp, 1);
 	}
 	return (CMD_RETURN_NORMAL);
 }
@@ -152,26 +155,40 @@ cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
 	struct cmd_find_state	*target = cmdq_get_target(item);
 	struct event_payload	*ep;
 	struct cmd_find_state	 fs;
+	struct client		*c = cmdq_get_client(item);
 	struct winlink		*wl = target->wl;
 	struct window		*w = wl->window;
 	struct session		*s = target->s;
-	struct window_pane	*wp = target->wp, *lastwp;
+	struct window_pane	*wp = target->wp, *lastwp, *activewp;
 	struct options		*oo = wp->options;
 	char			*title;
 	const char		*style;
 	struct options_entry	*o;
 	int			 visible, Zflag = args_has(args, 'Z');
 
+	if (args_has(args, 's') || args_has(args, 'S')) {
+		if (c == NULL || c->session == NULL) {
+			cmdq_error(item, "no current client");
+			return (CMD_RETURN_ERROR);
+		}
+		if (args_has(args, 's'))
+			active_set_pane_mode(c, w, ACTIVE_LOCAL);
+		else
+			active_set_pane_mode(c, w, ACTIVE_SHARED);
+		return (CMD_RETURN_NORMAL);
+	}
+
 	if (entry == &cmd_last_pane_entry || args_has(args, 'l')) {
 		/*
 		 * Check for no last pane found in case the other pane was
 		 * spawned without being visited (for example split-window -d).
 		 */
-		lastwp = TAILQ_FIRST(&w->last_panes);
+		lastwp = active_get_last_pane(c, w);
 		if (lastwp == NULL && window_count_panes(w, 1) == 2) {
-			lastwp = TAILQ_PREV(w->active, window_panes, entry);
+			activewp = active_get_effective_pane(c, w);
+			lastwp = TAILQ_PREV(activewp, window_panes, entry);
 			if (lastwp == NULL)
-				lastwp = TAILQ_NEXT(w->active, entry);
+				lastwp = TAILQ_NEXT(activewp, entry);
 		}
 		if (lastwp == NULL) {
 			cmdq_error(item, "no last pane");
@@ -192,8 +209,9 @@ cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
 				visible = window_pane_is_visible(lastwp);
 			if (!visible && window_push_zoom(w, 0, Zflag))
 				server_redraw_window(w);
-			window_redraw_active_switch(w, lastwp);
-			if (window_set_active_pane(w, lastwp, 1)) {
+			if (!active_has_local_pane(c, w))
+				window_redraw_active_switch(w, lastwp);
+			if (active_set_pane(c, w, lastwp, 1)) {
 				cmd_find_from_winlink(current, wl, 0);
 				cmd_select_pane_redraw(w);
 			}
@@ -271,7 +289,8 @@ cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
 		return (CMD_RETURN_NORMAL);
 	}
 
-	if (wp == w->active)
+	activewp = active_get_effective_pane(c, w);
+	if (wp == activewp)
 		return (CMD_RETURN_NORMAL);
 	if (w->modal != NULL && wp != w->modal)
 		visible = 1;
@@ -279,8 +298,9 @@ cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
 		visible = window_pane_is_visible(wp);
 	if (!visible && window_push_zoom(w, 0, Zflag))
 		server_redraw_window(w);
-	window_redraw_active_switch(w, wp);
-	if (window_set_active_pane(w, wp, 1))
+	if (!active_has_local_pane(c, w))
+		window_redraw_active_switch(w, wp);
+	if (active_set_pane(c, w, wp, 1))
 		cmd_find_from_winlink_pane(current, wl, wp, 0);
 	cmdq_insert_hook(s, item, current, "after-select-pane");
 	cmd_select_pane_redraw(w);

cmd-select-window.c

@@ -33,8 +33,8 @@ const struct cmd_entry cmd_select_window_entry = {
 	.name = "select-window",
 	.alias = "selectw",
 
-	.args = { "lnpTt:", 0, 0, NULL },
-	.usage = "[-lnpT] " CMD_TARGET_WINDOW_USAGE,
+	.args = { "LlSnpTt:", 0, 0, NULL },
+	.usage = "[-LlnpST] " CMD_TARGET_WINDOW_USAGE,
 
 	.target = { 't', CMD_FIND_WINDOW, 0 },
 
@@ -88,8 +88,9 @@ cmd_select_window_exec(struct cmd *self, struct cmdq_item *item)
 	struct client		*c = cmdq_get_client(item);
 	struct cmd_find_state	*current = cmdq_get_current(item);
 	struct cmd_find_state	*target = cmdq_get_target(item);
-	struct winlink		*wl = target->wl;
+	struct winlink		*wl = target->wl, *current_wl;
 	struct session		*s = target->s;
+	enum active_mode	 mode;
 	int			 next, previous, last, activity;
 
 	next = (cmd_get_entry(self) == &cmd_next_window_entry);
@@ -102,48 +103,104 @@ cmd_select_window_exec(struct cmd *self, struct cmdq_item *item)
 	if (args_has(args, 'l'))
 		last = 1;
 
+	if (args_has(args, 'L') || args_has(args, 'S')) {
+		if (c == NULL || c->session == NULL) {
+			cmdq_error(item, "no current client");
+			return (CMD_RETURN_ERROR);
+		}
+		if (args_has(args, 'S'))
+			mode = ACTIVE_SHARED;
+		else
+			mode = ACTIVE_LOCAL;
+		active_set_local_window(c, s, mode);
+		if (!next &&
+		    !previous &&
+		    !last &&
+		    !args_has(args, 't') &&
+		    !args_has(args, 'T')) {
+			if (current->s == s) {
+				if (c->session == s)
+					cmd_find_from_client(current, c, 0);
+				else
+					cmd_find_from_session(current, s, 0);
+			}
+			if (c->session == s)
+				server_redraw_client(c);
+			else
+				server_redraw_session(s);
+			cmdq_insert_hook(s, item, current, "after-select-window");
+			recalculate_sizes();
+			return (CMD_RETURN_NORMAL);
+		}
+	}
+
+	if (active_is_local_window(c, s))
+		mode = ACTIVE_LOCAL;
+	else
+		mode = ACTIVE_SHARED;
 	if (next || previous || last) {
 		activity = args_has(args, 'a');
 		if (next) {
-			if (session_next(s, activity) != 0) {
+			if (active_next_window(c, s, activity) != 0) {
 				cmdq_error(item, "no next window");
 				return (CMD_RETURN_ERROR);
 			}
 		} else if (previous) {
-			if (session_previous(s, activity) != 0) {
+			if (active_previous_window(c, s, activity) != 0) {
 				cmdq_error(item, "no previous window");
 				return (CMD_RETURN_ERROR);
 			}
 		} else {
-			if (session_last(s) != 0) {
+			if (active_last_window(c, s) != 0) {
 				cmdq_error(item, "no last window");
 				return (CMD_RETURN_ERROR);
 			}
 		}
-		cmd_find_from_session(current, s, 0);
-		server_redraw_session(s);
+		if (mode == ACTIVE_LOCAL && c != NULL && c->session == s)
+			cmd_find_from_client(current, c, 0);
+		else
+			cmd_find_from_session(current, s, 0);
+		if (mode == ACTIVE_LOCAL && c != NULL && c->session == s)
+			server_redraw_client(c);
+		else
+			server_redraw_session(s);
 		cmdq_insert_hook(s, item, current, "after-select-window");
 	} else {
 		/*
 		 * If -T and select-window is invoked on same window as
 		 * current, switch to previous window.
 		 */
-		if (args_has(args, 'T') && wl == s->curw) {
-			if (session_last(s) != 0) {
+		current_wl = active_get_effective_winlink(c, s);
+		if (args_has(args, 'T') && wl == current_wl) {
+			if (active_last_window(c, s) != 0) {
 				cmdq_error(item, "no last window");
 				return (-1);
 			}
-			if (current->s == s)
+			if (current->s == s) {
+				if (mode == ACTIVE_LOCAL && c != NULL &&
+				    c->session == s)
+					cmd_find_from_client(current, c, 0);
+				else
+					cmd_find_from_session(current, s, 0);
+			}
+			if (mode == ACTIVE_LOCAL && c != NULL && c->session == s)
+				server_redraw_client(c);
+			else
+				server_redraw_session(s);
+		} else if (active_select_window(c, s, wl) == 0) {
+			if (mode == ACTIVE_LOCAL && c != NULL && c->session == s)
+				cmd_find_from_client(current, c, 0);
+			else
 				cmd_find_from_session(current, s, 0);
-			server_redraw_session(s);
-		} else if (session_select(s, wl->idx) == 0) {
-			cmd_find_from_session(current, s, 0);
-			server_redraw_session(s);
+			if (mode == ACTIVE_LOCAL && c != NULL && c->session == s)
+				server_redraw_client(c);
+			else
+				server_redraw_session(s);
 		}
 		cmdq_insert_hook(s, item, current, "after-select-window");
 	}
 	if (c != NULL && c->session != NULL)
-		s->curw->window->latest = c;
+		active_get_effective_window(c, s)->latest = c;
 	recalculate_sizes();
 
 	return (CMD_RETURN_NORMAL);

cmd-swap-window.c

@@ -48,10 +48,14 @@ cmd_swap_window_exec(struct cmd *self, struct cmdq_item *item)
 	struct args		*args = cmd_get_args(self);
 	struct cmd_find_state	*source = cmdq_get_source(item);
 	struct cmd_find_state	*target = cmdq_get_target(item);
+	struct client		*c = cmdq_get_client(item);
+	struct client		*tc = cmdq_get_target_client(item);
+	struct client		*ac;
 	struct session		*src = source->s, *dst = target->s;
 	struct session_group	*sg_src, *sg_dst;
 	struct winlink		*wl_src = source->wl, *wl_dst = target->wl;
 	struct window		*w_src, *w_dst;
+	int			 local_src, local_dst;
 
 	sg_src = session_group_contains(src);
 	sg_dst = session_group_contains(dst);
@@ -79,10 +83,22 @@ cmd_swap_window_exec(struct cmd *self, struct cmdq_item *item)
 
 	if (marked_pane.wl == wl_src)
 		marked_pane.wl = wl_dst;
+	ac = tc;
+	if (ac == NULL)
+		ac = c;
+	local_dst = active_is_local_window(ac, dst);
+	local_src = active_is_local_window(ac, src);
 	if (args_has(args, 'd')) {
-		session_select(dst, wl_dst->idx);
-		if (src != dst)
-			session_select(src, wl_src->idx);
+		if (local_dst)
+			active_select_window(ac, dst, wl_dst);
+		else
+			session_select(dst, wl_dst->idx);
+		if (src != dst) {
+			if (local_src)
+				active_select_window(ac, src, wl_src);
+			else
+				session_select(src, wl_src->idx);
+		}
 	}
 	session_group_synchronize_from(src);
 	server_redraw_session_group(src);

cmd-switch-client.c

@@ -53,11 +53,12 @@ cmd_switch_client_exec(struct cmd *self, struct cmdq_item *item)
 	struct cmd_find_state	 target;
 	const char		*tflag = args_get(args, 't');
 	enum cmd_find_type	 type;
-	int			 flags, visible, Zflag = args_has(args, 'Z');
+	int			 flags, visible, window_target;
+	int			 Zflag = args_has(args, 'Z');
 	struct client		*c = cmdq_get_client(item);
 	struct client		*tc = cmdq_get_target_client(item);
 	struct session		*s;
-	struct winlink		*wl;
+	struct winlink		*wl, *current_wl;
 	struct window		*w;
 	struct window_pane	*wp;
 	const char		*tablename;
@@ -65,8 +66,13 @@ cmd_switch_client_exec(struct cmd *self, struct cmdq_item *item)
 	struct sort_criteria	 sort_crit;
 	uid_t			 uid;
 
-	if (tflag != NULL &&
-	    (tflag[strcspn(tflag, ":.%")] != '\0' || strcmp(tflag, "=") == 0)) {
+	window_target = 0;
+	if (tflag != NULL) {
+		if (tflag[strcspn(tflag, ":.%")] != '\0' ||
+		    strcmp(tflag, "=") == 0)
+			window_target = 1;
+	}
+	if (window_target) {
 		type = CMD_FIND_PANE;
 		flags = 0;
 	} else {
@@ -137,7 +143,8 @@ cmd_switch_client_exec(struct cmd *self, struct cmdq_item *item)
 	} else {
 		if (cmdq_get_client(item) == NULL)
 			return (CMD_RETURN_NORMAL);
-		if (wl != NULL && wp != NULL && wp != wl->window->active) {
+		if (window_target && wl != NULL && wp != NULL &&
+		    wp != wl->window->active) {
 			w = wl->window;
 			if (w->modal != NULL && wp != w->modal)
 				visible = 1;
@@ -150,9 +157,13 @@ cmd_switch_client_exec(struct cmd *self, struct cmdq_item *item)
 			if (!visible && window_pop_zoom(w))
 				server_redraw_window(w);
 		}
-		if (wl != NULL) {
-			session_set_current(s, wl);
-			cmd_find_from_session(current, s, 0);
+		if (window_target && wl != NULL) {
+			active_select_window(tc, s, wl);
+			if (active_is_local_window(tc, s)) {
+				current_wl = active_get_effective_winlink(tc, s);
+				cmd_find_from_winlink(current, current_wl, 0);
+			} else
+				cmd_find_from_session(current, s, 0);
 		}
 	}
 

control-notify.c

@@ -222,6 +222,28 @@ control_client_session_changed_cb(__unused const char *name,
 	}
 }
 
+/* Notify control clients that a client changed its effective window. */
+static void
+control_client_window_changed_cb(__unused const char *name,
+    struct event_payload *ep, __unused void *sink_data)
+{
+	struct client		*cc = event_payload_get_client(ep, "client");
+	struct session		*s = event_payload_get_session(ep, "session");
+	struct window		*w = event_payload_get_window(ep, "window");
+	struct client		*c;
+
+	if (cc == NULL || s == NULL || w == NULL)
+		return;
+
+	TAILQ_FOREACH(c, &clients, entry) {
+		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
+			continue;
+
+		control_write(c, "%%client-window-changed %s $%u @%u",
+		    cc->name, s->id, w->id);
+	}
+}
+
 /* Notify control clients that a client detached. */
 static void
 control_client_detached_cb(__unused const char *name, struct event_payload *ep,
@@ -359,6 +381,7 @@ control_build_events(void)
 		{ "window-linked", control_window_linked_cb },
 		{ "window-renamed", control_window_renamed_cb },
 		{ "client-session-changed", control_client_session_changed_cb },
+		{ "client-window-changed", control_client_window_changed_cb },
 		{ "client-detached", control_client_detached_cb },
 		{ "session-renamed", control_session_renamed_cb },
 		{ "session-created", control_session_created_cb },

control.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: control.c,v 1.67 2026/09/03 21:35:38 nicm Exp $ */
+/* $OpenBSD: control.c,v 1.66 2026/08/18 07:43:44 nicm Exp $ */
 
 /*
  * Copyright (c) 2012 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -455,12 +455,8 @@ control_flush_deferred(struct client *c)
 void
 control_write(struct client *c, const char *fmt, ...)
 {
-	struct control_state	*cs = c->control_state;
-	char			*line;
-	va_list			 ap;
-
-	if (cs == NULL)
-		return;
+	va_list	 ap;
+	char	*line;
 
 	va_start(ap, fmt);
 	xvasprintf(&line, fmt, ap);
@@ -483,9 +479,6 @@ control_write_guard(struct client *c, const char *guard, long t, u_int number,
 	struct control_state	*cs = c->control_state;
 	char			*line;
 
-	if (cs == NULL)
-		return;
-
 	if (strcmp(guard, "begin") == 0)
 		cs->guard_depth++;
 
@@ -510,9 +503,6 @@ control_notify_write(struct client *c, const char *fmt, ...)
 	va_list			 ap;
 	char			*line;
 
-	if (cs == NULL)
-		return;
-
 	va_start(ap, fmt);
 	xvasprintf(&line, fmt, ap);
 	va_end(ap);

format.c

@@ -806,7 +806,7 @@ format_cb_window_active_clients(struct format_tree *ft)
 		if (client_session == NULL)
 			continue;
 
-		if (w == client_session->curw->window)
+		if (w == active_get_effective_window(loop, client_session))
 			n++;
 	}
 
@@ -838,7 +838,7 @@ format_cb_window_active_clients_list(struct format_tree *ft)
 		if (client_session == NULL)
 			continue;
 
-		if (w == client_session->curw->window) {
+		if (w == active_get_effective_window(loop, client_session)) {
 			if (EVBUFFER_LENGTH(buffer) > 0)
 				evbuffer_add(buffer, ",", 1);
 			evbuffer_add_printf(buffer, "%s", loop->name);
@@ -1067,7 +1067,8 @@ format_cb_pane_fg(struct format_tree *ft)
 	if (wp == NULL)
 		return (NULL);
 
-	tty_default_colours(&gc, wp, NULL);
+	tty_default_colours(&gc, wp,
+	    active_get_effective_pane(ft->c, wp->window), NULL);
 	return (xstrdup(colour_tostring(gc.fg)));
 }
 
@@ -1118,7 +1119,8 @@ format_cb_pane_bg(struct format_tree *ft)
 	if (wp == NULL)
 		return (NULL);
 
-	tty_default_colours(&gc, wp, NULL);
+	tty_default_colours(&gc, wp,
+	    active_get_effective_pane(ft->c, wp->window), NULL);
 	return (xstrdup(colour_tostring(gc.bg)));
 }
 
@@ -2190,14 +2192,45 @@ format_cb_pane_private_modes(struct format_tree *ft)
 static void *
 format_cb_pane_active(struct format_tree *ft)
 {
+	struct window_pane	*active;
+
 	if (ft->wp != NULL) {
-		if (ft->wp == ft->wp->window->active)
+		active = active_get_effective_pane(ft->c, ft->wp->window);
+		if (ft->wp == active)
 			return (xstrdup("1"));
 		return (xstrdup("0"));
 	}
 	return (NULL);
 }
 
+/* Callback for pane_local_active. */
+static void *
+format_cb_pane_local_active(struct format_tree *ft)
+{
+	struct window_pane	*active;
+
+	if (ft->wp != NULL && active_has_local_pane(ft->c, ft->wp->window)) {
+		active = active_get_effective_pane(ft->c, ft->wp->window);
+		if (ft->wp == active)
+			return (xstrdup("1"));
+		return (xstrdup("0"));
+	}
+	return (NULL);
+}
+
+/* Callback for pane_local_mode. */
+static void *
+format_cb_pane_local_mode(struct format_tree *ft)
+{
+	struct window	*w = ft->w;
+
+	if (ft->wp != NULL)
+		w = ft->wp->window;
+	if (active_has_local_pane(ft->c, w))
+		return (xstrdup("1"));
+	return (xstrdup("0"));
+}
+
 /* Callback for pane_at_left. */
 static void *
 format_cb_pane_at_left(struct format_tree *ft)
@@ -2489,7 +2522,7 @@ static void *
 format_cb_pane_last(struct format_tree *ft)
 {
 	if (ft->wp != NULL) {
-		if (ft->wp == TAILQ_FIRST(&ft->wp->window->last_panes))
+		if (ft->wp == active_get_last_pane(ft->c, ft->wp->window))
 			return (xstrdup("1"));
 		return (xstrdup("0"));
 	}
@@ -3066,11 +3099,48 @@ format_cb_sixel_support(__unused struct format_tree *ft)
 static void *
 format_cb_active_window_index(struct format_tree *ft)
 {
-	if (ft->s != NULL)
-		return (format_printf("%u", ft->s->curw->idx));
+	struct winlink	*wl;
+
+	if (ft->s != NULL) {
+		wl = active_get_effective_winlink(ft->c, ft->s);
+		if (wl != NULL)
+			return (format_printf("%u", wl->idx));
+	}
 	return (NULL);
 }
 
+/* Callback for active_window_id. */
+static void *
+format_cb_active_window_id(struct format_tree *ft)
+{
+	struct winlink	*wl;
+
+	if (ft->s != NULL) {
+		wl = active_get_effective_winlink(ft->c, ft->s);
+		if (wl != NULL)
+			return (format_printf("@%u", wl->window->id));
+	}
+	return (NULL);
+}
+
+/* Callback for local_active_window. */
+static void *
+format_cb_local_active_window(struct format_tree *ft)
+{
+	if (ft->c != NULL && ft->s != NULL)
+		return (format_printf("%d", active_is_local_window(ft->c, ft->s)));
+	return (xstrdup("0"));
+}
+
+/* Callback for active_window_mode. */
+static void *
+format_cb_active_window_mode(struct format_tree *ft)
+{
+	if (ft->c != NULL && ft->s != NULL && active_is_local_window(ft->c, ft->s))
+		return (xstrdup("local"));
+	return (xstrdup("shared"));
+}
+
 /* Callback for last_window_index. */
 static void *
 format_cb_last_window_index(struct format_tree *ft)
@@ -3088,8 +3158,11 @@ format_cb_last_window_index(struct format_tree *ft)
 static void *
 format_cb_window_active(struct format_tree *ft)
 {
+	struct winlink	*wl;
+
 	if (ft->wl != NULL) {
-		if (ft->wl == ft->wl->session->curw)
+		wl = active_get_effective_winlink(ft->c, ft->wl->session);
+		if (ft->wl == wl)
 			return (xstrdup("1"));
 		return (xstrdup("0"));
 	}
@@ -3169,7 +3242,7 @@ static void *
 format_cb_window_flags(struct format_tree *ft)
 {
 	if (ft->wl != NULL)
-		return (xstrdup(window_printable_flags(ft->wl, 1)));
+		return (xstrdup(window_printable_flags(ft->c, ft->wl, 1)));
 	return (NULL);
 }
 
@@ -3356,7 +3429,7 @@ static void *
 format_cb_window_raw_flags(struct format_tree *ft)
 {
 	if (ft->wl != NULL)
-		return (xstrdup(window_printable_flags(ft->wl, 0)));
+		return (xstrdup(window_printable_flags(ft->c, ft->wl, 0)));
 	return (NULL);
 }
 
@@ -3566,9 +3639,15 @@ struct format_table_entry {
  * Only variables which are added by the caller go into the tree.
  */
 static const struct format_table_entry format_table[] = {
+	{ "active_window_id", FORMAT_TABLE_STRING,
+	  format_cb_active_window_id
+	},
 	{ "active_window_index", FORMAT_TABLE_STRING,
 	  format_cb_active_window_index
 	},
+	{ "active_window_mode", FORMAT_TABLE_STRING,
+	  format_cb_active_window_mode
+	},
 	{ "alternate_on", FORMAT_TABLE_STRING,
 	  format_cb_alternate_on
 	},
@@ -3746,6 +3825,9 @@ static const struct format_table_entry format_table[] = {
 	{ "last_window_index", FORMAT_TABLE_STRING,
 	  format_cb_last_window_index
 	},
+	{ "local_active_window", FORMAT_TABLE_STRING,
+	  format_cb_local_active_window
+	},
 	{ "mouse_all_flag", FORMAT_TABLE_STRING,
 	  format_cb_mouse_all_flag
 	},
@@ -3890,6 +3972,12 @@ static const struct format_table_entry format_table[] = {
 	{ "pane_left", FORMAT_TABLE_STRING,
 	  format_cb_pane_left
 	},
+	{ "pane_local_active", FORMAT_TABLE_STRING,
+	  format_cb_pane_local_active
+	},
+	{ "pane_local_mode", FORMAT_TABLE_STRING,
+	  format_cb_pane_local_mode
+	},
 	{ "pane_marked", FORMAT_TABLE_STRING,
 	  format_cb_pane_marked
 	},
@@ -5295,15 +5383,18 @@ format_add_window_neighbour(struct format_tree *nft, struct winlink *wl,
     struct session *s, const char *prefix)
 {
 	struct options_entry	*o;
+	struct winlink		*current;
 	const char		*oname;
 	char			*key, *prefixed, *oval;
 
+	current = active_get_effective_winlink(nft->c, s);
+
 	xasprintf(&key, "%s_window_index", prefix);
 	format_add(nft, key, "%u", wl->idx);
 	free(key);
 
 	xasprintf(&key, "%s_window_active", prefix);
-	format_add(nft, key, "%d", wl == s->curw);
+	format_add(nft, key, "%d", wl == current);
 	free(key);
 
 	o = options_first(wl->window->options);
@@ -5331,10 +5422,10 @@ format_loop_windows(struct format_expand_state *es, const char *fmt)
 	struct cmdq_item		*item = ft->item;
 	struct format_tree		*nft;
 	struct format_expand_state	 next;
-	char				*all, *active, *use, *expanded, *value;
+	char				*all, *active_fmt, *use, *expanded, *value;
 	struct evbuffer			*buffer;
 	size_t				 size;
-	struct winlink			*wl, **l;
+	struct winlink			*wl, **l, *active_wl;
 	struct window			*w;
 	int				 i, n;
 
@@ -5343,9 +5434,9 @@ format_loop_windows(struct format_expand_state *es, const char *fmt)
 		return (NULL);
 	}
 
-	if (format_choose(es, fmt, &all, &active, 0) != 0) {
+	if (format_choose(es, fmt, &all, &active_fmt, 0) != 0) {
 		all = xstrdup(fmt);
-		active = NULL;
+		active_fmt = NULL;
 	}
 
 	buffer = evbuffer_new();
@@ -5353,12 +5444,13 @@ format_loop_windows(struct format_expand_state *es, const char *fmt)
 		fatalx("out of memory");
 
 	l = sort_get_winlinks_session(s, &n, sc);
+	active_wl = active_get_effective_winlink(ft->c, s);
 	for (i = 0; i < n; i++) {
 		wl = l[i];
 		w = wl->window;
 		format_log(es, "window loop: %u @%u", wl->idx, w->id);
-		if (active != NULL && wl == s->curw)
-			use = active;
+		if (active_fmt != NULL && wl == active_wl)
+			use = active_fmt;
 		else
 			use = all;
 		nft = format_create(c, item, FORMAT_WINDOW|w->id, ft->flags);
@@ -5367,11 +5459,11 @@ format_loop_windows(struct format_expand_state *es, const char *fmt)
 		format_add(nft, "loop_last_flag", "%d", i == n - 1);
 
 		/* Add neighbour window data to the format tree. */
-		if (i > 0 && l[i - 1] == s->curw)
+		if (i > 0 && l[i - 1] == active_wl)
 			format_add(nft, "window_after_active", "1");
 		else
 			format_add(nft, "window_after_active", "0");
-		if (i + 1 < n && l[i + 1] == s->curw)
+		if (i + 1 < n && l[i + 1] == active_wl)
 			format_add(nft, "window_before_active", "1");
 		else
 			format_add(nft, "window_before_active", "0");
@@ -5391,7 +5483,7 @@ format_loop_windows(struct format_expand_state *es, const char *fmt)
 		free(expanded);
 	}
 
-	free(active);
+	free(active_fmt);
 	free(all);
 
 	if ((size = EVBUFFER_LENGTH(buffer)) != 0)
@@ -6979,9 +7071,9 @@ format_defaults(struct format_tree *ft, struct client *c, struct session *s,
 	if (s == NULL && c != NULL)
 		s = c->session;
 	if (wl == NULL && s != NULL)
-		wl = s->curw;
+		wl = active_get_effective_winlink(c, s);
 	if (wp == NULL && wl != NULL)
-		wp = wl->window->active;
+		wp = active_get_effective_pane(c, wl->window);
 
 	if (c != NULL)
 		format_defaults_client(ft, c);

grid.c

@@ -1760,8 +1760,6 @@ grid_line_flags_string(int flags)
 		strlcat(s, "START_OUTPUT,", sizeof s);
 	if (flags & GRID_LINE_END_OUTPUT)
 		strlcat(s, "END_OUTPUT,", sizeof s);
-	if (flags & GRID_LINE_END_OUTPUT_STATUS)
-		strlcat(s, "END_OUTPUT_STATUS,", sizeof s);
 	if (flags & GRID_LINE_HYPERLINK)
 		strlcat(s, "HYPERLINK,", sizeof s);
 	if (*s == '\0')

input.c

@@ -3078,7 +3078,8 @@ input_osc_10(struct input_ctx *ictx, const char *p)
 			return;
 		c = window_pane_get_fg_control_client(wp);
 		if (c == -1) {
-			tty_default_colours(&defaults, wp, NULL);
+			tty_default_colours(&defaults, wp, wp->window->active,
+			    NULL);
 			if (COLOUR_DEFAULT(defaults.fg))
 				c = window_pane_get_fg(wp);
 			else
@@ -3194,14 +3195,13 @@ input_osc_112(struct input_ctx *ictx, const char *p)
 
 /* Parse the OSC 133 D exit status. */
 static int
-input_osc_133_exit_status(const char *p, int *present)
+input_osc_133_exit_status(const char *p)
 {
 	const char	*end;
 	char		*copy;
-	char		*endptr;
+	const char	*errstr;
 	long long	 status;
 
-	*present = 0;
 	if (p[1] != ';' || p[2] == '\0' || strchr(p + 2, '=') == p + 2)
 		return (0);
 	end = strchr(p + 2, ';');
@@ -3215,11 +3215,9 @@ input_osc_133_exit_status(const char *p, int *present)
 		free(copy);
 		return (0);
 	}
-	*present = 1;
-	errno = 0;
-	status = (int)strtol(copy, &endptr, 10);
+	status = strtonum(copy, 0, 255, &errstr);
 	free(copy);
-	if (errno != 0 || endptr == copy || status < 0 || status > 255)
+	if (errstr != NULL)
 		return (255);
 	return (status);
 }
@@ -3264,22 +3262,6 @@ input_fire_command_event(struct window_pane *wp, const char *name)
 	events_fire(name, ep);
 }
 
-/* Check if an OSC 133 prompt is secondary or a continuation. */
-static int
-input_osc_133_secondary_prompt(const char *p)
-{
-	const char	*cp;
-
-	while ((cp = strstr(p, ";k=")) != NULL) {
-		cp += 3;
-		if ((*cp == 's' || *cp == 'c') &&
-		    (cp[1] == '\0' || cp[1] == ';'))
-			return (1);
-		p = cp;
-	}
-	return (0);
-}
-
 /* Handle the OSC 133 sequence. */
 static void
 input_osc_133(struct input_ctx *ictx, const char *p)
@@ -3289,7 +3271,8 @@ input_osc_133(struct input_ctx *ictx, const char *p)
 	struct grid		*gd = s->grid;
 	u_int			 line = s->cy + gd->hsize;
 	struct grid_line	*gl = NULL;
-	int			 status, status_present;
+	const char		*cp;
+	int			 status;
 
 	if (line < gd->hsize + gd->sy)
 		gl = grid_get_line(gd, line);
@@ -3298,17 +3281,9 @@ input_osc_133(struct input_ctx *ictx, const char *p)
 	case 'A':
 	case 'N':
 		if (gl != NULL) {
-			if (!(gl->flags & (GRID_LINE_START_PROMPT|
-			    GRID_LINE_SECOND_PROMPT))) {
-				gl->osc133_data.prompt_col = s->cx;
-				if (input_osc_133_secondary_prompt(p))
-					gl->flags |= GRID_LINE_SECOND_PROMPT;
-				else
-					gl->flags |= GRID_LINE_START_PROMPT;
-				log_debug("%s: osc133 %s at %u,%u", __func__,
-				    input_osc_133_secondary_prompt(p) ? "secondary prompt" :
-				    "prompt", s->cx, line);
-			}
+			memset(&gl->osc133_data, 0, sizeof gl->osc133_data);
+			gl->osc133_data.prompt_col = s->cx;
+			gl->flags |= GRID_LINE_START_PROMPT;
 		}
 		if (wp != NULL) {
 			wp->last_prompt_time = time(NULL);
@@ -3317,33 +3292,25 @@ input_osc_133(struct input_ctx *ictx, const char *p)
 		break;
 	case 'P':
 		if (gl != NULL) {
-			if (!(gl->flags & (GRID_LINE_START_PROMPT|
-			    GRID_LINE_SECOND_PROMPT))) {
-				gl->osc133_data.prompt_col = s->cx;
-				if (input_osc_133_secondary_prompt(p))
-					gl->flags |= GRID_LINE_SECOND_PROMPT;
-				else
-					gl->flags |= GRID_LINE_START_PROMPT;
-				log_debug("%s: osc133 prompt at %u,%u", __func__, s->cx,
-				    line);
-			}
+			cp = strstr(p, ";k=s");
+			if (cp != NULL && (cp[4] == ';' || cp[4] == '\0'))
+				gl->flags |= GRID_LINE_SECOND_PROMPT;
+			else
+				gl->flags |= GRID_LINE_START_PROMPT;
+			gl->osc133_data.prompt_col = s->cx;
 		}
 		break;
 	case 'B':
 	case 'I':
-		if (gl != NULL && !(gl->flags & GRID_LINE_START_COMMAND)) {
+		if (gl != NULL) {
 			gl->flags |= GRID_LINE_START_COMMAND;
 			gl->osc133_data.cmd_col = s->cx;
-			log_debug("%s: osc133 command at %u,%u", __func__, s->cx,
-			    line);
 		}
 		break;
 	case 'C':
-		if (gl != NULL && !(gl->flags & GRID_LINE_START_OUTPUT)) {
+		if (gl != NULL) {
 			gl->flags |= GRID_LINE_START_OUTPUT;
 			gl->osc133_data.out_start_col = s->cx;
-			log_debug("%s: osc133 output start at %u,%u", __func__, s->cx,
-			    line);
 		}
 		if (wp != NULL) {
 			wp->cmd_start_time = time(NULL);
@@ -3354,7 +3321,7 @@ input_osc_133(struct input_ctx *ictx, const char *p)
 		}
 		break;
 	case 'D':
-		status = input_osc_133_exit_status(p, &status_present);
+		status = input_osc_133_exit_status(p);
 		if (wp != NULL) {
 			wp->cmd_end_time = time(NULL);
 			wp->flags &= ~PANE_CMDRUNNING;
@@ -3363,12 +3330,8 @@ input_osc_133(struct input_ctx *ictx, const char *p)
 		}
 		if (gl != NULL) {
 			gl->flags |= GRID_LINE_END_OUTPUT;
-			if (status_present)
-				gl->flags |= GRID_LINE_END_OUTPUT_STATUS;
 			gl->osc133_data.out_end_col = s->cx;
 			gl->osc133_data.exit_status = status;
-			log_debug("%s: osc133 output end at %u,%u (status %d)",
-			    __func__, s->cx, line, status);
 		}
 		break;
 	}

key-bindings.c

@@ -31,6 +31,8 @@
 	" 'Rename' 'r' {command-prompt -I '#S' {rename-session -- '%%'}}" \
 	" 'Detach' 'd' {detach-client}" \
 	" ''" \
+	" '#{?local_active_window,Shared Window,Local Window}' 'L' {select-window #{?local_active_window,-S,-L}}" \
+	" ''" \
 	" 'New Session' 's' {new-session}" \
 	" 'New Window' 'w' {new-window}"
 #define DEFAULT_WINDOW_MENU \
@@ -52,9 +54,7 @@
 	" '#{?#{m/r:(copy|view)-mode,#{pane_mode}},Go To Top,}' '<' {send -X history-top}" \
 	" '#{?#{m/r:(copy|view)-mode,#{pane_mode}},Go To Bottom,}' '>' {send -X history-bottom}" \
 	" ''" \
-	" '#{?#{==:#{pane_mode},copy-mode},#{?copy_line_numbers,Line Numbers Off,Line Numbers On},}' 'L' {send -X line-numbers-toggle}" \
-	" '#{?#{==:#{pane_mode},copy-mode},#{?copy_fold_view,Fold View Off,Fold View On},}' 'O' {send -X fold-view-toggle}" \
-	" '#{?#{==:#{pane_mode},copy-mode},Edit,}' 'e' {if -F '#{selection_present}' {send -X open-selection} {send -X open-output}}" \
+	" '#{?#{==:#{pane_mode},copy-mode},#{?copy_line_numbers,Hide Line Numbers,Show Line Numbers},}' 'L' {send -X line-numbers-toggle}" \
 	" '#{?#{==:#{pane_mode},copy-mode},#{?refresh_active,Refresh Off,Refresh On},}' 'r' {send -X refresh-toggle}" \
 	" ''" \
 	" '#{?#{&&:#{buffer_size},#{!:#{pane_in_mode}}},Paste #[underscore]#{=/9/...:buffer_sample},}' 'p' {paste-buffer}" \
@@ -74,6 +74,8 @@
 	" '#{?#{!:#{pane_floating_flag}},Horizontal Split,}' 'h' {split-window -h}" \
 	" '#{?#{!:#{pane_floating_flag}},Vertical Split,}' 'v' {split-window -v}" \
 	" ''" \
+	" '#{?#{>=:#{window_active_clients},2},#{?pane_local_mode,Shared Active Pane,Local Active Pane},}' 'a' {if -F '#{pane_local_mode}' {select-pane -S} {select-pane -s}}" \
+	" ''" \
 	" '#{?#{&&:#{!:#{pane_floating_flag}},#{>:#{window_panes},1}},Swap Up,}' 'u' {swap-pane -U}" \
 	" '#{?#{&&:#{!:#{pane_floating_flag}},#{>:#{window_panes},1}},Swap Down,}' 'd' {swap-pane -D}" \
 	" '#{?pane_marked_set,,-}Swap Marked' 's' {swap-pane}" \
@@ -505,6 +507,7 @@ key_bindings_init(void)
 
 		/* Mouse button 1 down on pane. */
 		"bind -n MouseDown1Pane { select-pane -t=; send -M }",
+		"bind -n M-MouseDown1Pane { move-pane -P front -t= }",
 
 		/* Mouse button 1 drag on pane. */
 		"bind -n MouseDrag1Pane { if -F '#{||:#{pane_in_mode},#{mouse_any_flag}}' { send -M } { copy-mode -M } }",
@@ -526,6 +529,7 @@ key_bindings_init(void)
 
 		/* Mouse button 1 on border. */
 		"bind -n MouseDown1Border { select-pane -M }",
+		"bind -n M-MouseDown1Border { move-pane -P front -t= }",
 
 		/* Mouse button 1 drag on border. */
 		"bind -n MouseDrag1Border { resize-pane -M }",
@@ -577,7 +581,6 @@ key_bindings_init(void)
 		"bind -Tcopy-mode C-l { send -X recentre-top-bottom }",
 		"bind -Tcopy-mode M-l { send -X cursor-centre-horizontal }",
 		"bind -Tcopy-mode C-n { send -X cursor-down }",
-		"bind -Tcopy-mode C-o { send -X select-output }",
 		"bind -Tcopy-mode C-p { send -X cursor-up }",
 		"bind -Tcopy-mode C-r { command-prompt -P -T search -ip'(search up)' -I'#{pane_search_string}' { send -X search-backward-incremental -- '%%' } }",
 		"bind -Tcopy-mode C-s { command-prompt -P -T search -ip'(search down)' -I'#{pane_search_string}' { send -X search-forward-incremental -- '%%' } }",
@@ -586,19 +589,15 @@ key_bindings_init(void)
 		"bind -Tcopy-mode Escape { send -X cancel }",
 		"bind -Tcopy-mode C-[ { send -X cancel }",
 		"bind -Tcopy-mode Space { send -X page-down }",
-		"bind -Tcopy-mode Tab { send -X toggle-output }",
-"bind -Tcopy-mode BTab { send -X toggle-output -a }",
 		"bind -Tcopy-mode , { send -X jump-reverse }",
 		"bind -Tcopy-mode \\; { send -X jump-again }",
 		"bind -Tcopy-mode F { command-prompt -P -1p'(jump backward)' { send -X jump-backward -- '%%' } }",
 		"bind -Tcopy-mode L { send -X line-numbers-toggle }",
 		"bind -Tcopy-mode N { send -X search-reverse }",
-		"bind -Tcopy-mode O { send -X fold-view-toggle }",
 		"bind -Tcopy-mode P { send -X toggle-position }",
 		"bind -Tcopy-mode R { send -X rectangle-toggle }",
 		"bind -Tcopy-mode T { command-prompt -P -1p'(jump to backward)' { send -X jump-to-backward -- '%%' } }",
 		"bind -Tcopy-mode X { send -X set-mark }",
-		"bind -Tcopy-mode e { if -F '#{selection_present}' { send -X open-selection } { send -X open-output } }",
 		"bind -Tcopy-mode f { command-prompt -P -1p'(jump forward)' { send -X jump-forward -- '%%' } }",
 		"bind -Tcopy-mode g { command-prompt -P -p'(goto line)' { send -X goto-line -- '%%' } }",
 		"bind -Tcopy-mode n { send -X search-again }",
@@ -607,7 +606,7 @@ key_bindings_init(void)
 		"bind -Tcopy-mode t { command-prompt -P -1p'(jump to forward)' { send -X jump-to-forward -- '%%' } }",
 		"bind -Tcopy-mode Home { send -X start-of-line }",
 		"bind -Tcopy-mode End { send -X end-of-line }",
-		"bind -Tcopy-mode MouseDown1Pane { select-pane; send -X toggle-output -m }",
+		"bind -Tcopy-mode MouseDown1Pane select-pane",
 		"bind -Tcopy-mode MouseDrag1Pane { select-pane; send -X begin-selection }",
 		"bind -Tcopy-mode MouseDragEnd1Pane { send -X copy-pipe-and-cancel }",
 		"bind -Tcopy-mode WheelUpPane { select-pane; send -N5 -X scroll-up }",
@@ -667,8 +666,6 @@ key_bindings_init(void)
 		"bind -Tcopy-mode-vi Escape { send -X clear-selection }",
 		"bind -Tcopy-mode-vi C-[ { send -X clear-selection }",
 		"bind -Tcopy-mode-vi Space { send -X begin-selection }",
-		"bind -Tcopy-mode-vi Tab { send -X toggle-output }",
-"bind -Tcopy-mode-vi BTab { send -X toggle-output -a }",
 		"bind -Tcopy-mode-vi '$' { send -X end-of-line }",
 		"bind -Tcopy-mode-vi , { send -X jump-reverse }",
 		"bind -Tcopy-mode-vi / { command-prompt -P -T search -p'(search down)' { send -X search-forward -- '%%' } }",
@@ -696,10 +693,7 @@ key_bindings_init(void)
 		"bind -Tcopy-mode-vi K { send -X scroll-up }",
 		"bind -Tcopy-mode-vi L { send -X bottom-line }",
 		"bind -Tcopy-mode-vi M { send -X middle-line }",
-		"bind -Tcopy-mode-vi M-e { if -F '#{selection_present}' { send -X open-selection } { send -X open-output } }",
-		"bind -Tcopy-mode-vi M-o { send -X select-output }",
 		"bind -Tcopy-mode-vi N { send -X search-reverse }",
-		"bind -Tcopy-mode-vi O { send -X fold-view-toggle }",
 		"bind -Tcopy-mode-vi P { send -X toggle-position }",
 		"bind -Tcopy-mode-vi T { command-prompt -P -1p'(jump to backward)' { send -X jump-to-backward -- '%%' } }",
 		"bind -Tcopy-mode-vi V { send -X select-line }",
@@ -727,7 +721,7 @@ key_bindings_init(void)
 		"bind -Tcopy-mode-vi % { send -X next-matching-bracket }",
 		"bind -Tcopy-mode-vi Home { send -X start-of-line }",
 		"bind -Tcopy-mode-vi End { send -X end-of-line }",
-		"bind -Tcopy-mode-vi MouseDown1Pane { select-pane; send -X toggle-output -m }",
+		"bind -Tcopy-mode-vi MouseDown1Pane { select-pane }",
 		"bind -Tcopy-mode-vi MouseDrag1Pane { select-pane; send -X begin-selection }",
 		"bind -Tcopy-mode-vi MouseDragEnd1Pane { send -X copy-pipe-and-cancel }",
 		"bind -Tcopy-mode-vi WheelUpPane { select-pane; send -N5 -X scroll-up }",

menu.c

@@ -586,7 +586,7 @@ menu_display(struct menu *menu, int flags, int starting_choice,
 	struct options		*o;
 
 	if (fs == NULL)
-		w = c->session->curw->window;
+		w = active_get_effective_window(c, c->session);
 	else
 		w = fs->w;
 	o = w->options;

options-table.c

@@ -114,6 +114,7 @@ static const char *options_table_theme_list[] = {
 static const char *options_table_copy_mode_line_numbers_list[] = {
 	"off", "default", "absolute", "relative", "hybrid", NULL
 };
+
 /* Status line format. */
 #define OPTIONS_TABLE_STATUS_FORMAT1 \
 	"#[align=left range=left #{E:status-left-style}]" \
@@ -1124,7 +1125,8 @@ const struct options_table_entry options_table[] = {
 	{ .name = "status-style",
 	  .type = OPTIONS_TABLE_STRING,
 	  .scope = OPTIONS_TABLE_SESSION,
-	  .default_str = "bg=themegreen,fg=themeblack",
+	  .default_str = "bg=#{?local_active_window,themeblue,themegreen},"
+			 "fg=themeblack",
 	  .flags = OPTIONS_TABLE_IS_STYLE,
 	  .separator = ",",
 	  .text = "Style of the status line."
@@ -1383,13 +1385,6 @@ const struct options_table_entry options_table[] = {
 	  .text = "Style of search matches in copy mode."
 	},
 
-	{ .name = "copy-mode-exit-status-format",
-	  .type = OPTIONS_TABLE_STRING,
-	  .scope = OPTIONS_TABLE_WINDOW|OPTIONS_TABLE_PANE,
-	  .default_str = "#{?exit_status,#[fg=themered]!, }",
-	  .text = "Format of OSC 133 exit status indicator in copy mode."
-	},
-
 	{ .name = "copy-mode-current-match-style",
 	  .type = OPTIONS_TABLE_STRING,
 	  .scope = OPTIONS_TABLE_WINDOW,
@@ -1559,8 +1554,9 @@ const struct options_table_entry options_table[] = {
 	  .scope = OPTIONS_TABLE_WINDOW|OPTIONS_TABLE_PANE,
 	  .default_str = "fg=#{?pane_modal_flag,themeblue,"
 			 "#{?pane_marked,thememagenta,"
+			 "#{?pane_local_active,themecyan,"
 			 "#{?synchronize-panes,themered,"
-			 "#{?pane_in_mode,themeyellow,themegreen}}}}",
+			 "#{?pane_in_mode,themeyellow,themegreen}}}}}",
 	  .flags = OPTIONS_TABLE_IS_STYLE,
 	  .separator = ",",
 	  .text = "Style of the active pane border."
@@ -1988,6 +1984,8 @@ const struct options_table_entry options_table[] = {
 	    "Run when a client is resized."),
 	OPTIONS_TABLE_HOOK("client-session-changed", "",
 	    "Run when a client's attached session is changed."),
+	OPTIONS_TABLE_HOOK("client-window-changed", "",
+	    "Run when a client's effective window is changed."),
 	OPTIONS_TABLE_HOOK("client-light-theme", "",
 	    "Run when a client switches to a light theme."),
 	OPTIONS_TABLE_HOOK("client-dark-theme", "",

popup.c

@@ -103,9 +103,9 @@ popup_reapply_styles(struct popup_data *pd)
 
 	if (s == NULL)
 		return;
-	o = s->curw->window->options;
+	o = active_get_effective_window(c, s)->options;
 
-	ft = format_create_defaults(NULL, c, s, s->curw, NULL);
+	ft = format_create_defaults(NULL, c, s, NULL, NULL);
 
 	/* Reapply popup style from options. */
 	memcpy(&pd->defaults, &grid_default_cell, sizeof pd->defaults);
@@ -570,9 +570,9 @@ popup_display(int flags, enum box_lines lines, struct cmdq_item *item, u_int px,
 	struct style		 sytmp;
 
 	if (s != NULL)
-		o = s->curw->window->options;
+		o = active_get_effective_window(c, s)->options;
 	else
-		o = c->session->curw->window->options;
+		o = active_get_effective_window(c, c->session)->options;
 
 	if (lines == BOX_LINES_DEFAULT)
 		lines = options_get_number(o, "popup-border-lines");

regress/active-window.sh

@@ -0,0 +1,151 @@
+#!/bin/sh
+
+PATH=/bin:/usr/bin
+TERM=screen
+LC_ALL=C.UTF-8
+LANG=C.UTF-8
+export TERM LC_ALL LANG
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
+
+TMPDIR=$(mktemp -d)
+IN1="$TMPDIR/in1"
+IN2="$TMPDIR/in2"
+OUT1="$TMPDIR/out1"
+OUT2="$TMPDIR/out2"
+PID1=
+PID2=
+
+cleanup()
+{
+	[ -n "$PID1" ] && kill "$PID1" 2>/dev/null
+	[ -n "$PID2" ] && kill "$PID2" 2>/dev/null
+	$TMUX kill-server 2>/dev/null
+	rm -rf "$TMPDIR"
+}
+trap cleanup EXIT
+
+fail()
+{
+	echo "$1"
+	echo "client1:"
+	cat "$OUT1" 2>/dev/null
+	echo "client2:"
+	cat "$OUT2" 2>/dev/null
+	exit 1
+}
+
+wait_for()
+{
+	file=$1
+	pattern=$2
+	i=0
+
+	while [ "$i" -lt 60 ]; do
+		if grep -F -- "$pattern" "$file" >/dev/null 2>&1; then
+			return 0
+		fi
+		sleep 0.1
+		i=$((i + 1))
+	done
+	fail "missing '$pattern' in $file"
+}
+
+send1()
+{
+	printf '%s\n' "$*" >&3
+}
+
+send2()
+{
+	printf '%s\n' "$*" >&4
+}
+
+check_server()
+{
+	out=$($TMUX display-message -p -t "$1" "$2")
+	[ "$out" = "$3" ] || fail "expected '$3' for $1 $2, got '$out'"
+}
+
+$TMUX kill-server 2>/dev/null
+$TMUX new-session -d -s aw -x 80 -y 24 -n w0 || exit 1
+$TMUX new-window -d -t aw: -n w1 || exit 1
+$TMUX new-window -d -t aw: -n w2 || exit 1
+$TMUX new-session -d -s aw2 -x 80 -y 24 -n x0 || exit 1
+$TMUX new-window -d -t aw2: -n x1 || exit 1
+
+mkfifo "$IN1" "$IN2" || exit 1
+: >"$OUT1"
+: >"$OUT2"
+$TMUX -C attach-session -t aw <"$IN1" >"$OUT1" 2>&1 &
+PID1=$!
+$TMUX -C attach-session -t aw <"$IN2" >"$OUT2" 2>&1 &
+PID2=$!
+exec 3>"$IN1"
+exec 4>"$IN2"
+
+send1 'display-message -p C1READY'
+send2 'display-message -p C2READY'
+wait_for "$OUT1" C1READY
+wait_for "$OUT2" C2READY
+
+# Default shared selection: client 1 changes session current, client 2 follows.
+send1 'display-message -p "C1A #{active_window_index} #{local_active_window} #{window_index}"'
+wait_for "$OUT1" 'C1A 0 0 0'
+send1 'select-window -t :1'
+wait_for "$OUT2" '%session-window-changed $0 @1'
+send2 'display-message -p "C2A #{active_window_index} #{local_active_window} #{window_index}"'
+wait_for "$OUT2" 'C2A 1 0 1'
+check_server 'aw:' '#{window_index}' '1'
+
+# Local selection changes only client 1 and becomes the default command target.
+send1 'select-window -L'
+send1 'select-window -t :2'
+send1 'display-message -p "C1B #{active_window_index} #{local_active_window} #{window_index}"'
+wait_for "$OUT1" 'C1B 2 1 2'
+send2 'display-message -p "C2B #{active_window_index} #{local_active_window} #{window_index}"'
+wait_for "$OUT2" 'C2B 1 0 1'
+check_server 'aw:' '#{window_index}' '1'
+
+# Local last-window history is independent of the session shared stack.
+send1 'last-window'
+send1 'display-message -p "C1C #{active_window_index} #{window_index}"'
+wait_for "$OUT1" 'C1C 1 1'
+send1 'next-window'
+send1 'display-message -p "C1D #{active_window_index} #{window_index}"'
+wait_for "$OUT1" 'C1D 2 2'
+check_server 'aw:' '#{window_index}' '1'
+
+# Session switches preserve per-session local selections.
+send1 'switch-client -t aw2'
+send1 'select-window -L'
+send1 'select-window -t :1'
+send1 'display-message -p "C1E #{session_name} #{active_window_index} #{local_active_window}"'
+wait_for "$OUT1" 'C1E aw2 1 1'
+send1 'switch-client -t aw'
+send1 'display-message -p "C1F #{session_name} #{active_window_index} #{local_active_window}"'
+wait_for "$OUT1" 'C1F aw 2 1'
+
+# Returning to shared mode immediately follows the session current window.
+send1 'select-window -S'
+send1 'display-message -p "C1G #{active_window_index} #{local_active_window} #{window_index}"'
+wait_for "$OUT1" 'C1G 1 0 1'
+
+# Invalid local windows recover to a valid session window without changing curw.
+send1 'select-window -L'
+send1 'select-window -t :2'
+$TMUX kill-window -t aw:2 || fail 'kill-window failed'
+send1 'display-message -p "C1H #{active_window_index} #{local_active_window} #{window_index}"'
+wait_for "$OUT1" 'C1H 1 1 1'
+check_server 'aw:' '#{window_index}' '1'
+
+# Creating a window without -d in local mode selects it locally only.
+send1 'new-window -n w3'
+send1 'display-message -p "C1I #{local_active_window} #{window_name}"'
+wait_for "$OUT1" 'C1I 1 w3'
+send2 'display-message -p "C2C #{local_active_window} #{window_name}"'
+wait_for "$OUT2" 'C2C 0 w1'
+check_server 'aw:' '#{window_name}' 'w1'
+
+exit 0

regress/choose-tree.sh

@@ -290,92 +290,4 @@ wait_count ': G4' 7
 	fail "window 1 of zzz not killed"
 exit_mode q
 
-# --- help and information preview --------------------------------------------
-# The complete tree help is taller than the 24-line test terminal, where the
-# help renderer deliberately leaves the tree unchanged.
-$TMUX2 resize-window -t out:0 -x 80 -y 50 || exit 1
-i=0
-while [ "$i" -lt 50 ]; do
-	# The inner session has a one-line status, leaving a 49-line window.
-	[ "$($TMUX display-message -p -t aaa:0 '#{window_height}')" -ge 49 ] &&
-		break
-	sleep 0.2
-	i=$((i + 1))
-done
-[ "$i" -lt 50 ] || fail "attached client did not resize for tree help"
-$TMUX choose-tree -t aaa:0 -F 'G5' -O index || exit 1
-wait_count ': G5' 7
-$TMUX2 send-keys -t out:0 F1 || fail "send-keys F1 failed"
-wait_for 'Swap current and previous window'
-# The first key closes help; the second exits the tree.
-$TMUX send-keys -t aaa:0 q q || fail "send-keys help exit failed"
-wait_mode aaa:0 0
-
-$TMUX choose-tree -t aaa:0 -F 'G6' -O index || exit 1
-wait_count ': G6' 7
-$TMUX send-keys -t aaa:0 i || fail "send-keys info failed"
-wait_for 'Session'
-$TMUX send-keys -t aaa:0 i || fail "send-keys preview failed"
-exit_mode q
-
-# --- window swapping and command prompt for current/tagged items -------------
-# Restrict a window-only tree to two disposable windows in aaa. J (the
-# Shift-Down equivalent) swaps their window objects while leaving their indexes
-# in place.
-$TMUX new-window -d -t aaa: -n swap-a 'cat' || exit 1
-$TMUX new-window -d -t aaa: -n swap-b 'cat' || exit 1
-aidx=$($TMUX list-windows -t aaa -F '#{window_index}:#{window_name}' | \
-    awk -F: '$2 == "swap-a" {print $1}')
-bidx=$($TMUX list-windows -t aaa -F '#{window_index}:#{window_name}' | \
-    awk -F: '$2 == "swap-b" {print $1}')
-$TMUX choose-tree -w -t aaa:0 -O index -F 'WT #{window_name}' \
-	-f '#{m:swap-*,#{window_name}}' || exit 1
-wait_count 'WT swap-' 2
-$TMUX send-keys -t aaa:0 g j J || fail "window tree swap failed"
-i=0
-while [ "$i" -lt 50 ]; do
-	aname=$($TMUX display-message -p -t "aaa:$aidx" '#{window_name}')
-	bname=$($TMUX display-message -p -t "aaa:$bidx" '#{window_name}')
-	[ "$aname:$bname" = 'swap-b:swap-a' ] && break
-	sleep 0.2
-	i=$((i + 1))
-done
-[ "$i" -lt 50 ] || fail "window tree did not swap the two windows"
-
-# ':' runs an entered command for the current item and rebuilds the tree when
-# its queued command completes.
-$TMUX set-option -g @tree-command '' || exit 1
-$TMUX send-keys -t aaa:0 : || fail "window tree command prompt failed"
-wait_for '(current)'
-$TMUX send-keys -t aaa:0 -l "set-option -g @tree-command '%%'" || exit 1
-$TMUX send-keys -t aaa:0 Enter || exit 1
-i=0
-while [ "$i" -lt 50 ]; do
-	value=$($TMUX show-option -gqv @tree-command)
-	[ -n "$value" ] && break
-	sleep 0.2
-	i=$((i + 1))
-done
-[ "$i" -lt 50 ] || fail "window tree entered command did not run"
-case "$value" in
-=aaa:*.) ;;
-*) fail "window tree command target was '$value'" ;;
-esac
-
-# Tag both disposable windows and kill them through the tagged confirmation
-# callback. The mode-hosting window is outside the filter and survives.
-$TMUX send-keys -t aaa:0 g j t j t X || fail "tagged kill keys failed"
-wait_for 'Kill 2 tagged?'
-$TMUX send-keys -t aaa:0 y || fail "tagged kill confirmation failed"
-i=0
-while [ "$i" -lt 50 ]; do
-	left=$($TMUX list-windows -t aaa -F '#{window_name}' | \
-	    grep -c '^swap-' || true)
-	[ "$left" -eq 0 ] && break
-	sleep 0.2
-	i=$((i + 1))
-done
-[ "$i" -lt 50 ] || fail "tagged windows were not killed"
-exit_mode q
-
 exit 0

regress/clear-on-attach.sh

@@ -1,96 +0,0 @@
-#!/bin/sh
-
-# With clear-on-attach disabled tmux must preserve the terminal contents by
-# scrolling them away, rather than entering and clearing the alternate screen.
-# Capture the bytes written by a real attached client for both settings.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-INNER_ON="$TEST_TMUX -LtestIon$$ -f/dev/null"
-OUTER_ON="$TEST_TMUX -LtestOon$$ -f/dev/null"
-INNER_OFF="$TEST_TMUX -LtestIoff$$ -f/dev/null"
-OUTER_OFF="$TEST_TMUX -LtestOoff$$ -f/dev/null"
-DIR=$(mktemp -d) || exit 1
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$OUTER_ON kill-server 2>/dev/null
-	$INNER_ON kill-server 2>/dev/null
-	$OUTER_OFF kill-server 2>/dev/null
-	$INNER_OFF kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-wait_for_client()
-{
-	i=0
-	while [ "$i" -lt 50 ]; do
-		$current_inner list-clients 2>/dev/null | grep -q . && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "inner client did not attach"
-}
-
-capture_attach()
-{
-	setting=$1
-	output=$2
-	go=$DIR/go-$setting
-	if [ "$setting" = on ]; then
-		current_inner=$INNER_ON
-		current_outer=$OUTER_ON
-	else
-		current_inner=$INNER_OFF
-		current_outer=$OUTER_OFF
-	fi
-
-	$current_inner new-session -d -s inner -x40 -y10 \
-	    'exec sleep 100' || exit 1
-	$current_inner set-option -g status off || exit 1
-	$current_inner set-option -g clear-on-attach "$setting" || exit 1
-	$current_outer new-session -d -s outer -x40 -y10 \
-	    "while [ ! -e '$go' ]; do sleep 0.01; done; exec $current_inner attach-session -t inner" || exit 1
-	$current_outer set-option -g status off || exit 1
-	$current_outer pipe-pane -O "cat >'$output'" || exit 1
-	touch "$go"
-	wait_for_client
-	sleep 0.5
-	$current_outer pipe-pane -O || exit 1
-}
-
-on=$DIR/on
-off=$DIR/off
-capture_attach on "$on"
-capture_attach off "$off"
-
-smcup=$(printf '\033[?1049h')
-grep -Fq "$smcup" "$on" || fail "clear-on-attach on did not use smcup"
-if grep -Fq "$smcup" "$off"; then
-	fail "clear-on-attach off used smcup"
-fi
-
-# Some screen terminfo entries have indn (CSI Ps S), while older ones only
-# have ind (newline). The preserving path uses indn once or repeats ind once
-# for every line in the terminal plus one.
-escape=$(printf '\033')
-if ! LC_ALL=C grep -Eq "${escape}\\[[0-9]+S" "$off"; then
-	hex=$(od -An -tx1 -v "$off" | tr -d ' \n')
-	case "$hex" in
-	*0a0a0a0a0a0a0a0a0a0a0a*) ;;
-	*) fail "clear-on-attach off did not scroll the old contents away" ;;
-	esac
-fi
-
-exit 0

regress/client-key-order-focus.sh

@@ -1,82 +0,0 @@
-#!/bin/sh
-
-# send-keys -K injects a key into a client. Commands produced by that key must
-# be inserted immediately after send-keys, before later commands in the same
-# command list. Focus events arriving between a prefix and its following key
-# must be forwarded without cancelling the prefix table.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-INNER="$TEST_TMUX -LtestI$$ -f/dev/null"
-OUTER="$TEST_TMUX -LtestO$$ -f/dev/null"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$OUTER kill-server 2>/dev/null
-	$INNER kill-server 2>/dev/null
-}
-trap cleanup 0 1 15
-
-wait_for_client()
-{
-	i=0
-	while [ "$i" -lt 50 ]; do
-		client=$($INNER list-clients -F '#{client_name}' 2>/dev/null)
-		[ -n "$client" ] && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "inner client did not attach"
-}
-
-wait_for_option()
-{
-	option=$1
-	expected=$2
-	i=0
-	while [ "$i" -lt 50 ]; do
-		actual=$($INNER show-option -gv "$option" 2>/dev/null)
-		[ "$actual" = "$expected" ] && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "$option is '$actual', expected '$expected'"
-}
-
-cleanup
-$INNER new-session -d -s inner -x40 -y10 'exec sleep 100' || exit 1
-$INNER set-option -g status off || exit 1
-$INNER set-option -g focus-events on || exit 1
-$OUTER new-session -d -s outer -x40 -y10 "$INNER attach -t inner" || exit 1
-$OUTER set-option -g status off || exit 1
-wait_for_client
-
-# The binding generated by send-keys -K must run before the command which
-# follows send-keys in this command list. Before the queue-ordering fix this
-# produces AB rather than BA.
-$INNER set-option -g @order '' || exit 1
-$INNER bind-key -n a set-option -gF @order '#{@order}B' || exit 1
-$INNER send-keys -K -c "$client" a \; \
-	set-option -gF @order '#{@order}A' || exit 1
-wait_for_option @order BA
-
-# Put the real attached client in the prefix table, deliver FocusIn, then the
-# bound key. FocusIn is not bindable and must not reset the prefix table.
-$INNER bind-key x set-option -g @focus-prefix yes || exit 1
-$OUTER send-keys C-b || exit 1
-focus_in=$(printf '\033[I')
-$OUTER send-keys -l "$focus_in" || exit 1
-$OUTER send-keys x || exit 1
-wait_for_option @focus-prefix yes
-
-exit 0

regress/clock-mode.sh

@@ -1,101 +0,0 @@
-#!/bin/sh
-
-# Exercise clock-mode initialization, all four styles, its one-second timer,
-# resize into the compact renderer, arbitrary-key exit, and cleanup.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-DIR=$(mktemp -d) || exit 1
-TMUX_TMPDIR=$DIR
-export TMUX_TMPDIR
-INNER="$TEST_TMUX -LtestI$$ -f/dev/null"
-OUTER="$TEST_TMUX -LtestO$$ -f/dev/null"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$OUTER kill-server 2>/dev/null
-	$INNER kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-capture()
-{
-	$OUTER capture-pane -p -t outer:0.0 2>/dev/null
-}
-
-wait_mode()
-{
-	want=$1
-	i=0
-	while [ "$i" -lt 50 ]; do
-		got=$($INNER display-message -p -t clock:0 '#{pane_mode}' 2>/dev/null)
-		[ "$got" = "$want" ] && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "pane mode is '$got', expected '$want'"
-}
-
-wait_hashes()
-{
-	i=0
-	while [ "$i" -lt 50 ]; do
-		captured=$(capture)
-		printf '%s\n' "$captured" | grep -q '#' && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "large clock did not render"
-}
-
-$INNER new-session -d -s clock -x80 -y24 'exec sleep 100' || exit 1
-$INNER set-option -g status off || exit 1
-$INNER set-option -g window-size manual || exit 1
-$INNER set-option -w clock-mode-colour red || exit 1
-$OUTER new-session -d -s outer -x80 -y24 "$INNER attach -t clock" || exit 1
-$OUTER set-option -g status off || exit 1
-$OUTER set-option -g window-size manual || exit 1
-sleep 1
-
-for style in 12 24 12-with-seconds 24-with-seconds; do
-	$INNER set-option -w -t clock:0 clock-mode-style "$style" || exit 1
-	$INNER clock-mode -t clock:0 || exit 1
-	wait_mode clock-mode
-	wait_hashes
-	# Let at least one timer callback observe a new second.
-	[ "$style" != 12-with-seconds ] || sleep 1.2
-	$INNER send-keys -t clock:0 x || exit 1
-	wait_mode ''
-done
-
-# Resizing an active mode below the large-glyph threshold selects the compact
-# renderer. A visible time contains a colon and no block-clock hash.
-$INNER clock-mode -t clock:0 || exit 1
-wait_mode clock-mode
-$INNER resize-window -t clock:0 -x20 -y5 || exit 1
-i=0
-while [ "$i" -lt 50 ]; do
-	captured=$(capture)
-	printf '%s\n' "$captured" | grep -Eq '[0-9][0-9]?:[0-9][0-9]' && break
-	sleep 0.1
-	i=$((i + 1))
-done
-[ "$i" -lt 50 ] || fail "compact clock did not render after resize"
-printf '%s\n' "$captured" | grep -q '#' &&
-	fail "compact clock still used large glyphs"
-$INNER send-keys -t clock:0 Enter || exit 1
-wait_mode ''
-
-$INNER has-session -t clock || fail "server died during clock-mode tests"
-exit 0

regress/collapse-output.sh

@@ -1,81 +0,0 @@
-#!/bin/sh
-
-PATH=/bin:/usr/bin
-TERM=screen
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-
-$TMUX kill-server 2>/dev/null
-$TMUX new-session -d -x80 -y20 "sh -c 'printf \"\\033]133;A\\007p\\$ \\033]133;B\\007echo hi\\n\\033]133;C\\007hello\\n\\033]133;D;0\\007separator\\n\\033]133;A\\007p\\$ \\033]133;B\\007\"; exec sleep 100'" || exit 1
-sleep 1
-
-$TMUX copy-mode -c || exit 1
-$TMUX send-keys -X search-backward hello || exit 1
-hidden=$($TMUX display-message -p '#{copy_cursor_line}')
-[ "$hidden" != hello ] || exit 1
-$TMUX send-keys -X search-backward separator || exit 1
-hidden=$($TMUX display-message -p '#{copy_cursor_line}')
-[ "$hidden" != separator ] || exit 1
-
-$TMUX send-keys BTab || exit 1
-$TMUX send-keys -X search-backward hello || exit 1
-shown=$($TMUX display-message -p '#{copy_cursor_line}')
-[ "$shown" = hello ] || exit 1
-$TMUX send-keys -X select-line || exit 1
-$TMUX send-keys -X copy-selection || exit 1
-selected=$($TMUX show-buffer)
-[ "$selected" = hello ] || exit 1
-$TMUX send-keys -X cancel || exit 1
-
-$TMUX kill-server
-$TMUX new-session -d -x80 -y20 "sh -c 'printf \"first\\n\\033]133;D;0\\007separator\\n\\033]133;A\\007p\\$ \\033]133;B\\007\"; exec sleep 100'" || exit 1
-sleep 1
-
-$TMUX copy-mode -c || exit 1
-$TMUX send-keys -X search-backward separator || exit 1
-hidden=$($TMUX display-message -p '#{copy_cursor_line}')
-[ "$hidden" != separator ] || exit 1
-$TMUX send-keys BTab || exit 1
-$TMUX send-keys -X search-backward separator || exit 1
-shown=$($TMUX display-message -p '#{copy_cursor_line}')
-[ "$shown" = separator ] || exit 1
-$TMUX send-keys -X cancel || exit 1
-
-$TMUX kill-server
-$TMUX new-session -d -x80 -y20 "sh -c 'printf \"\\033]133;A\\007P> \\033]133;B\\007for i in 1 2 3; do\\n\\033]133;A;k=s\\007> \\033]133;B\\007echo \\$i\\n\\033]133;P;k=s\\007> \\033]133;B\\007done\\033]133;C\\007\\nRESULT\\n\\033]133;D;0\\007separator\\n\\033]133;A\\007P> \\033]133;B\\007\"; exec sleep 100'" || exit 1
-sleep 1
-
-$TMUX copy-mode -c || exit 1
-$TMUX send-keys -X search-backward RESULT || exit 1
-hidden=$($TMUX display-message -p '#{copy_cursor_line}')
-[ "$hidden" != RESULT ] || exit 1
-$TMUX send-keys -X search-backward 'echo $i' || exit 1
-shown=$($TMUX display-message -p '#{copy_cursor_line}')
-[ "$shown" = 'echo $i' ] || exit 1
-$TMUX send-keys -X cancel || exit 1
-
-$TMUX copy-mode -U || exit 1
-$TMUX send-keys -X search-backward RESULT || exit 1
-$TMUX send-keys Tab || exit 1
-cursor=$($TMUX display-message -p '#{copy_cursor_line}')
-[ "$cursor" = done ] || exit 1
-$TMUX send-keys -X cancel || exit 1
-
-$TMUX kill-server
-$TMUX new-session -d -x80 -y20 "sh -c 'printf \"\\033]133;A\\007P0> \\033]133;B\\007\\r\\n\\033]133;D;0\\007empty-separator\\n\\033]133;A\\007P1> \\033]133;B\\007\"; exec sleep 100'" || exit 1
-sleep 1
-
-$TMUX copy-mode -c || exit 1
-collapsed=$($TMUX capture-pane -p)
-case "$collapsed" in
-*"+ P0>"*) ;;
-*) exit 1 ;;
-esac
-$TMUX send-keys -X search-backward empty-separator || exit 1
-hidden=$($TMUX display-message -p '#{copy_cursor_line}')
-[ "$hidden" != empty-separator ] || exit 1
-$TMUX send-keys -X cancel || exit 1
-
-$TMUX kill-server 2>/dev/null
-exit 0

regress/confirm-before-lock.sh

@@ -1,150 +0,0 @@
-#!/bin/sh
-
-# Exercise confirm-before's waiting and background callbacks, custom keys and
-# prompts, default-yes handling and errors. Also cover all three lock command
-# entry points with a harmless lock-command which leaves a marker.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-DIR=$(mktemp -d) || exit 1
-TMUX_TMPDIR=$DIR
-export TMUX_TMPDIR
-INNER="$TEST_TMUX -LtestI$$ -f/dev/null"
-OUTER="$TEST_TMUX -LtestO$$ -f/dev/null"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$OUTER kill-server 2>/dev/null
-	$INNER kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-capture()
-{
-	$OUTER capture-pane -p -t outer:0.0 2>/dev/null
-}
-
-wait_capture()
-{
-	marker=$1
-	i=0
-	while [ "$i" -lt 50 ]; do
-		captured=$(capture)
-		printf '%s\n' "$captured" | grep -Fq "$marker" && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "timed out waiting for '$marker'"
-}
-
-wait_option()
-{
-	want=$1
-	i=0
-	while [ "$i" -lt 50 ]; do
-		got=$($INNER show-option -gqv @confirmed 2>/dev/null)
-		[ "$got" = "$want" ] && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "@confirmed is '$got', expected '$want'"
-}
-
-wait_file()
-{
-	marker=$1
-	i=0
-	while [ "$i" -lt 50 ]; do
-		[ -f "$marker" ] && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "lock command did not create $marker"
-}
-
-$INNER new-session -d -s test -x80 -y24 'exec sleep 100' || exit 1
-$INNER set-option -g status on || exit 1
-$INNER set-option -g status-position bottom || exit 1
-$INNER set-option -g window-size manual || exit 1
-$OUTER new-session -d -s outer -x80 -y24 "$INNER attach -t test" || exit 1
-$OUTER set-option -g status off || exit 1
-$OUTER set-option -g window-size manual || exit 1
-sleep 1
-
-client=$($INNER list-clients -F '#{client_name}')
-[ -n "$client" ] || fail "inner client did not attach"
-
-$INNER bind-key -n M-a confirm-before \
-	'set-option -g @confirmed accepted' || exit 1
-$INNER bind-key -n M-b confirm-before -b -p 'Background?' \
-	'set-option -g @confirmed background' || exit 1
-$INNER bind-key -n M-c confirm-before -c x -p 'Custom?' \
-	'set-option -g @confirmed custom' || exit 1
-$INNER bind-key -n M-y confirm-before -y -p 'Default?' \
-	'set-option -g @confirmed default' || exit 1
-
-# A non-confirming response closes the waiting prompt without running its
-# command; reopening and accepting inserts the command after the waiting item.
-$INNER set-option -g @confirmed sentinel || exit 1
-$OUTER send-keys M-a || exit 1
-wait_capture "Confirm 'set-option'? (y/n)"
-$OUTER send-keys n || exit 1
-sleep 0.2
-wait_option sentinel
-$OUTER send-keys M-a || exit 1
-wait_capture "Confirm 'set-option'? (y/n)"
-$OUTER send-keys y || exit 1
-wait_option accepted
-
-# -b has no waiting queue item and appends its command to the client queue.
-$OUTER send-keys M-b || exit 1
-wait_capture 'Background?'
-$OUTER send-keys y || exit 1
-wait_option background
-
-# A custom printable key is accepted, and -y makes Enter affirmative.
-$OUTER send-keys M-c || exit 1
-wait_capture 'Custom?'
-$OUTER send-keys x || exit 1
-wait_option custom
-$OUTER send-keys M-y || exit 1
-wait_capture 'Default?'
-$OUTER send-keys Enter || exit 1
-wait_option default
-
-# Reject invalid multi-character and control confirmation keys.
-if $INNER confirm-before -b -t "$client" -c xx 'display-message x' \
-    >/dev/null 2>&1; then
-	fail "multi-character confirm key was accepted"
-fi
-if $INNER confirm-before -b -t "$client" -c "$(printf '\001')" \
-    'display-message x' >/dev/null 2>&1; then
-	fail "control confirm key was accepted"
-fi
-
-# lock-client, lock-session and lock-server all send lock-command to the real
-# attached client. The command returns immediately and unlocks the client.
-for kind in client session server; do
-	marker="$DIR/locked-$kind"
-	$INNER set-option -t test lock-command "printf locked >$marker" || exit 1
-	case "$kind" in
-	client) $INNER lock-client -t "$client" || exit 1 ;;
-	session) $INNER lock-session -t test || exit 1 ;;
-	server) $INNER lock-server || exit 1 ;;
-	esac
-	wait_file "$marker"
-done
-
-$INNER has-session -t test || fail "server died during prompt or lock tests"
-exit 0

regress/control-client-popup.sh

@@ -1,63 +0,0 @@
-#!/bin/sh
-
-# Popups require a tty overlay and cannot be displayed by a control client.
-# A popup command from control mode must be ignored cleanly, leaving the
-# client command queue and server usable.
-
-PATH=/bin:/usr/bin
-TERM=screen
-export PATH TERM
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-DIR=$(mktemp -d) || exit 1
-FIFO=$DIR/input
-OUT=$DIR/output
-RAN=$DIR/popup-ran
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	exec 3>&-
-	$TMUX kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-mkfifo "$FIFO" || exit 1
-$TMUX new-session -d -s control -x40 -y10 'exec sleep 100' || exit 1
-$TMUX -C attach-session -t control <"$FIFO" >"$OUT" 2>&1 &
-control_pid=$!
-exec 3>"$FIFO"
-
-i=0
-while [ "$i" -lt 50 ]; do
-	$TMUX list-clients -F '#{client_flags}' 2>/dev/null |
-	    grep -q 'control-mode' && break
-	sleep 0.1
-	i=$((i + 1))
-done
-[ "$i" -lt 50 ] || fail "control client did not attach"
-
-printf '%s\n' "display-popup -E 'touch $RAN'" >&3
-printf '%s\n' "display-message -p CONTROL-POPUP-ALIVE" >&3
-
-i=0
-while [ "$i" -lt 50 ]; do
-	grep -q 'CONTROL-POPUP-ALIVE' "$OUT" 2>/dev/null && break
-	if ! kill -0 "$control_pid" 2>/dev/null; then
-		fail "control client exited after display-popup"
-	fi
-	sleep 0.1
-	i=$((i + 1))
-done
-[ "$i" -lt 50 ] || fail "command after control-client popup did not run"
-$TMUX has-session -t control || fail "server exited after control-client popup"
-[ ! -e "$RAN" ] || fail "control client started a popup command"
-
-exit 0

regress/control-client-run-shell-exit.sh

@@ -1,38 +0,0 @@
-#!/bin/sh
-
-# A waited run-shell command can complete after a control client has closed its
-# input and exited. The command queue still references the client until the job
-# callback runs, but control_stop has already destroyed c->control_state. Late
-# command output must be discarded instead of dereferencing the stopped control
-# state and killing the server.
-
-PATH=/bin:/usr/bin
-TERM=screen
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -Ltest"
-$TMUX kill-server 2>/dev/null
-
-OUT=$(mktemp)
-trap "$TMUX kill-server 2>/dev/null; rm -f $OUT" 0 1 15
-
-$TMUX -f/dev/null new-session -d -s main || exit 1
-
-printf '%s\n' 'run-shell "sleep 0.2; echo TEST"' |
-	$TMUX -f/dev/null -C >"$OUT" 2>&1
-
-sleep 1
-
-$TMUX has-session -t main 2>/dev/null || {
-	echo "server exited after late run-shell output"
-	cat "$OUT"
-	exit 1
-}
-
-grep -q '^%exit' "$OUT" || {
-	echo "control client did not exit"
-	cat "$OUT"
-	exit 1
-}
-
-exit 0

regress/copy-mode-commands.sh

@@ -1,253 +0,0 @@
-#!/bin/sh
-
-# Exercise the broad non-mouse copy-mode command surface: navigation, search,
-# jumps, state toggles, line/end-of-line copies, append, and pipe variants.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-DIR=$(mktemp -d) || exit 1
-TMUX_TMPDIR=$DIR
-export TMUX_TMPDIR
-TMUX="$TEST_TMUX -Ltest$$ -f/dev/null"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$TMUX kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-x()
-{
-	$TMUX send-keys -t copy:0 -X "$@" || fail "copy command failed: $*"
-}
-
-wait_mode()
-{
-	want=$1
-	i=0
-	while [ "$i" -lt 50 ]; do
-		got=$($TMUX display-message -p -t copy:0 '#{pane_in_mode}' 2>/dev/null)
-		[ "$got" = "$want" ] && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "pane_in_mode is '$got', expected '$want'"
-}
-
-fresh()
-{
-	$TMUX copy-mode -t copy:0 || exit 1
-	wait_mode 1
-	x history-top
-	x start-of-line
-}
-
-select_text()
-{
-	fresh
-	x begin-selection
-	x cursor-right
-	x cursor-right
-}
-
-$TMUX new-session -d -s copy -x40 -y8 \
-    "sh -c 'i=0; while [ \$i -lt 40 ]; do printf \"  line-%02d needle (a[b]c) end\\n\" \$i; i=\$((i + 1)); done; printf \"\\nparagraph two needle\\n\\nparagraph three\\n\"; printf \"\\033]133;A\\007prompt-one\\n\\033]133;C\\007output-one\\n\\033]133;A\\007prompt-two\\n\\033]133;C\\007output-two\\n\"; exec sleep 100'" ||
-	exit 1
-$TMUX set-option -g status off || exit 1
-$TMUX set-option -g history-limit 200 || exit 1
-
-i=0
-while [ "$i" -lt 50 ]; do
-	history=$($TMUX display-message -p -t copy:0 '#{history_size}')
-	[ "$history" -ge 30 ] && break
-	sleep 0.1
-	i=$((i + 1))
-done
-[ "$i" -lt 50 ] || fail "history did not fill"
-
-fresh
-
-# Copy-mode-specific format callbacks expose the word, line, hyperlink and
-# active search match at the cursor.
-formats=$($TMUX display-message -p -t copy:0 \
-    '#{copy_cursor_word}|#{copy_cursor_line}|#{copy_cursor_hyperlink}|#{search_match}') ||
-	exit 1
-[ -n "$formats" ] || fail "copy-mode cursor formats were empty"
-
-# Cursor, viewport and paragraph commands. Each is asserted by successful
-# dispatch and the final mode-liveness check; detailed word/selection geometry
-# is covered by the existing copy-mode tests.
-for command in back-to-indentation bottom-line top-line middle-line \
-    cursor-centre-vertical cursor-centre-horizontal end-of-line history-bottom \
-    history-top halfpage-down halfpage-up page-down page-up next-paragraph \
-    previous-paragraph next-matching-bracket previous-matching-bracket; do
-	x "$command"
-done
-x goto-line 15
-x set-mark
-x cursor-down
-x jump-to-mark
-
-# OSC 133 prompt and output markers support shell-integration navigation.
-x history-top
-x next-prompt
-case "$($TMUX display-message -p -t copy:0 '#{copy_cursor_line}')" in
-*prompt-one*) ;;
-*) fail "next-prompt did not find prompt-one" ;;
-esac
-x next-prompt
-x previous-prompt
-case "$($TMUX display-message -p -t copy:0 '#{copy_cursor_line}')" in
-*prompt-one*) ;;
-*) fail "previous-prompt did not return to prompt-one" ;;
-esac
-x next-prompt -o
-case "$($TMUX display-message -p -t copy:0 '#{copy_cursor_line}')" in
-*output-one*) ;;
-*) fail "next-prompt -o did not find output-one" ;;
-esac
-
-# Character jumps remember their direction and character for repeat/reverse.
-x jump-forward e
-x jump-again
-x jump-reverse
-x jump-backward e
-x jump-to-forward e
-x jump-to-backward e
-
-# Direct, text and incremental searches cover both directions and the saved
-# search used by again/reverse.
-x search-forward needle
-x search-again
-x search-reverse
-x search-backward needle
-x search-forward-text needle
-x search-backward-text needle
-x search-forward-incremental '=needle'
-x search-forward-incremental '+needle'
-x search-backward-incremental '=needle'
-x search-backward-incremental '-needle'
-
-# Stateful display and behaviour toggles.
-for command in rectangle-on rectangle-off rectangle-toggle \
-    line-numbers-on line-numbers-off line-numbers-toggle \
-    refresh-on refresh-now refresh-off refresh-toggle \
-    scroll-exit-on scroll-exit-off scroll-exit-toggle toggle-position; do
-	x "$command"
-done
-wait_mode 1
-x cancel
-wait_mode 0
-
-# Line and end-of-line copy commands work without an explicit selection.
-fresh
-x select-line
-x copy-selection-and-cancel
-case "$($TMUX show-buffer)" in
-*line-00*) ;;
-*) fail "select-line did not select the current line" ;;
-esac
-
-fresh
-x copy-line
-[ -n "$($TMUX show-buffer)" ] || fail "copy-line produced an empty buffer"
-x cancel
-
-fresh
-x copy-end-of-line
-[ -n "$($TMUX show-buffer)" ] || fail "copy-end-of-line produced an empty buffer"
-x cancel
-
-# Append variants retain or close the mode as advertised.
-$TMUX set-buffer -b append-buffer prefix || exit 1
-select_text
-x append-selection
-appended=$($TMUX show-buffer -b append-buffer)
-case "$appended" in
-prefix*) ;;
-*) fail "append-selection produced '$appended'" ;;
-esac
-x cancel
-
-$TMUX set-buffer -b append-cancel-buffer prefix || exit 1
-select_text
-x append-selection-and-cancel
-wait_mode 0
-appended=$($TMUX show-buffer -b append-cancel-buffer)
-case "$appended" in
-prefix*) ;;
-*) fail "append-selection-and-cancel produced '$appended'" ;;
-esac
-
-# The explicit cancel variants close copy mode.
-fresh
-x copy-line-and-cancel
-wait_mode 0
-fresh
-x copy-end-of-line-and-cancel
-wait_mode 0
-select_text
-x copy-selection-and-cancel
-wait_mode 0
-
-# Pipe wrappers have distinct command handlers. /dev/null keeps the test
-# deterministic while exercising asynchronous pipe job creation and cleanup.
-fresh
-x copy-pipe-line 'cat >/dev/null'
-x cancel
-fresh
-x copy-pipe-line-and-cancel 'cat >/dev/null'
-wait_mode 0
-fresh
-x copy-pipe-end-of-line 'cat >/dev/null'
-x cancel
-fresh
-x copy-pipe-end-of-line-and-cancel 'cat >/dev/null'
-wait_mode 0
-
-select_text
-x copy-pipe-no-clear 'cat >/dev/null'
-x pipe-no-clear 'cat >/dev/null'
-x copy-pipe 'cat >/dev/null'
-x pipe 'cat >/dev/null'
-x cancel
-select_text
-x copy-pipe-and-cancel 'cat >/dev/null'
-wait_mode 0
-select_text
-x pipe-and-cancel 'cat >/dev/null'
-wait_mode 0
-
-# Commands which cancel on downward movement have separate handlers.
-fresh
-x history-bottom
-x bottom-line
-x cursor-down-and-cancel
-wait_mode 0
-fresh
-x history-bottom
-x halfpage-down-and-cancel
-wait_mode 0
-fresh
-x history-bottom
-x page-down-and-cancel
-wait_mode 0
-fresh
-x history-bottom
-x bottom-line
-x scroll-down-and-cancel
-wait_mode 0
-
-$TMUX has-session -t copy || fail "server died during copy-mode commands"
-exit 0

regress/copy-mode-exit-status.sh

@@ -1,102 +0,0 @@
-#!/bin/sh
-
-# Check OSC 133 exit status indicators in copy mode using a real client.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-TMUX2="$TEST_TMUX -LtestB$$ -f/dev/null"
-
-fail() {
-	echo "$*" >&2
-	exit 1
-}
-
-capture() {
-	$TMUX capture-pane -pS0 -E- >$TMP || exit 1
-}
-
-check_grep() {
-	grep -Fq "$1" $TMP || fail "missing pattern: $1"
-}
-
-check_no_grep() {
-	grep -Fq "$1" $TMP && fail "unexpected pattern: $1"
-}
-
-$TMUX kill-server 2>/dev/null
-$TMUX2 kill-server 2>/dev/null
-
-TMP=$(mktemp)
-trap "rm -f $TMP; $TMUX kill-server 2>/dev/null; $TMUX2 kill-server 2>/dev/null" 0 1 15
-
-$TMUX2 new-session -d -x80 -y10 \
-	"printf '\033]133;A\007p\$ \033]133;B\007one\n\033]133;C\007out1\n\033]133;D;0\007\033]133;A\007p\$ \033]133;B\007two\n\033]133;C\007out2\n\033]133;D;123\007\033]133;A\007p\$ \033]133;B\007silent\n\033]133;C\007\033]133;D;7\007\033]133;A\007p\$ \033]133;B\007three\n\033]133;C\007out3\n\033]133;D\007\033]133;A\007p\$ \033]133;B\007'; exec sleep 100" || \
-	exit 1
-$TMUX2 set -g status off || exit 1
-$TMUX2 set -g copy-mode-position-format '#[align=left]POS' || exit 1
-$TMUX2 list-keys -Tcopy-mode O | grep -Fq 'fold-view-toggle' || exit 1
-$TMUX2 list-keys -Tcopy-mode-vi O | grep -Fq 'fold-view-toggle' || exit 1
-
-$TMUX new-session -d -x80 -y10 || exit 1
-$TMUX set -g status off || exit 1
-$TMUX send -l "$TMUX2 attach" || exit 1
-$TMUX send Enter || exit 1
-sleep 1
-
-$TMUX2 copy-mode -U || exit 1
-$TMUX2 send -X history-top || exit 1
-sleep 1
-capture
-check_grep "!- p\$ two"
-check_grep "!  p\$ silent"
-check_no_grep "!+ p\$ silent"
-check_grep "POS"
-
-# Rebuilding with collapsed output must not expand copy-mode formats before
-# the viewport has been restored for the shorter backing grid.
-$TMUX2 send -X collapse-output -a || exit 1
-sleep 1
-capture
-check_grep "!+ p\$ two"
-check_grep "!  p\$ silent"
-check_no_grep "!+ p\$ silent"
-$TMUX2 send -X line-numbers-on || exit 1
-sleep 1
-capture
-check_grep "  3 !+ p\$ two"
-$TMUX2 send -X fold-view-toggle || exit 1
-[ "$($TMUX2 display -p '#{copy_fold_view}')" = 0 ] || exit 1
-sleep 1
-capture
-check_grep "out2"
-check_no_grep "!+ p\$ two"
-check_grep "  3 p\$ two"
-$TMUX2 send -X fold-view-toggle || exit 1
-[ "$($TMUX2 display -p '#{copy_fold_view}')" = 1 ] || exit 1
-sleep 1
-capture
-check_grep "  3 !- p\$ two"
-
-# A format wider than the standard three-column gutter is not truncated.
-$TMUX2 send -X cancel || exit 1
-$TMUX2 set -g copy-mode-exit-status-format \
-	'#[align=right]#{?exit_status,!#{exit_status}, }' || exit 1
-$TMUX2 copy-mode -c || exit 1
-$TMUX2 send -X history-top || exit 1
-sleep 1
-capture
-check_grep "!123+ p\$ two"
-
-$TMUX2 send -X select-line || exit 1
-$TMUX2 send -X copy-selection || exit 1
-selection=$($TMUX2 show-buffer)
-case $selection in
-*RC=*) fail "exit status was copied" ;;
-esac
-
-exit 0

regress/copy-mode-selection-mode.sh

@@ -1,81 +0,0 @@
-#!/bin/sh
-
-# Changing an existing character selection to line mode must reset both ends
-# to complete lines, including when the cursor subsequently crosses the fixed
-# end. An invalid regular-expression search must also discard marks left by a
-# previous successful search.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$TMUX kill-server 2>/dev/null
-}
-trap cleanup 0 1 15
-
-$TMUX new-session -d -x30 -y6 \
-	"printf 'alpha\nbeta\ngamma\ndelta\n'; exec sleep 100" || exit 1
-$TMUX set-option -g window-size manual || exit 1
-sleep 1
-
-# A valid regular-expression search creates marks. Replacing it with an
-# invalid expression, growing the mode, and scrolling must not leave an old
-# mark array indexed with the new geometry (the original bug was an ASan heap
-# overflow in this sequence).
-$TMUX copy-mode || exit 1
-$TMUX send-keys -X history-top || exit 1
-$TMUX send-keys -X search-forward beta || exit 1
-[ "$($TMUX display-message -p '#{search_present}')" = 1 ] ||
-	fail "successful search did not create marks"
-$TMUX send-keys -X search-forward '[' || exit 1
-$TMUX resize-window -x40 -y8 || exit 1
-$TMUX send-keys -X scroll-down || exit 1
-[ "$($TMUX display-message -p '#{search_present}')" = 0 ] ||
-	fail "invalid regular expression left stale marks after resize"
-$TMUX send-keys -X cancel || exit 1
-
-# Select part of alpha through part of beta, then change the existing
-# selection to line mode. Both lines, and no partial columns, must be copied.
-$TMUX copy-mode || exit 1
-$TMUX send-keys -X history-top || exit 1
-$TMUX send-keys -N2 -X cursor-right || exit 1
-$TMUX send-keys -X begin-selection || exit 1
-$TMUX send-keys -X cursor-down || exit 1
-$TMUX send-keys -N2 -X cursor-right || exit 1
-$TMUX send-keys -X selection-mode line || exit 1
-[ "$($TMUX display-message -p '#{selection_mode}')" = line ] ||
-	fail "selection did not change to line mode"
-$TMUX send-keys -X copy-selection || exit 1
-expected=$(printf 'alpha\nbeta')
-[ "$($TMUX show-buffer)" = "$expected" ] ||
-	fail "line-mode selection did not expand to complete lines"
-
-# Start with the cursor above the fixed end so selection-mode itself takes the
-# reverse-direction path, then extend it through another line.
-$TMUX copy-mode || exit 1
-$TMUX send-keys -X history-top || exit 1
-$TMUX send-keys -N2 -X cursor-down || exit 1
-$TMUX send-keys -N2 -X cursor-right || exit 1
-$TMUX send-keys -X begin-selection || exit 1
-$TMUX send-keys -X cursor-up || exit 1
-$TMUX send-keys -N2 -X cursor-right || exit 1
-$TMUX send-keys -X selection-mode line || exit 1
-$TMUX send-keys -X cursor-up || exit 1
-$TMUX send-keys -X copy-selection || exit 1
-expected=$(printf 'alpha\nbeta\ngamma')
-[ "$($TMUX show-buffer)" = "$expected" ] ||
-	fail "reversed line-mode selection did not keep complete lines"
-
-exit 0

regress/find-window.sh

@@ -1,118 +0,0 @@
-#!/bin/sh
-
-# Exercise find-window's content, name and title filters in every combination,
-# glob/regex and case-insensitive suffixes, plus zoom restoration.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-DIR=$(mktemp -d) || exit 1
-TMUX_TMPDIR=$DIR
-export TMUX_TMPDIR
-INNER="$TEST_TMUX -LtestI$$ -f/dev/null"
-OUTER="$TEST_TMUX -LtestO$$ -f/dev/null"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$OUTER kill-server 2>/dev/null
-	$INNER kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-capture()
-{
-	$OUTER capture-pane -p -t outer:0.0 2>/dev/null
-}
-
-wait_mode()
-{
-	want=$1
-	i=0
-	while [ "$i" -lt 50 ]; do
-		got=$($INNER display-message -p -t find:base.0 '#{pane_mode}' 2>/dev/null)
-		[ "$got" = "$want" ] && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "pane mode is '$got', expected '$want'"
-}
-
-run_find()
-{
-	label=$1
-	expected=$2
-	shift 2
-	$INNER find-window -t find:base.0 "$@" || fail "$label failed"
-	wait_mode tree-mode
-	i=0
-	while [ "$i" -lt 50 ]; do
-		captured=$(capture)
-		printf '%s\n' "$captured" | grep -Fq "$expected" && break
-		sleep 0.1
-		i=$((i + 1))
-	done
-	[ "$i" -lt 50 ] || fail "$label did not show '$expected'"
-	$INNER send-keys -t find:base.0 q || exit 1
-	wait_mode ''
-}
-
-$INNER new-session -d -s find -n base -x80 -y24 \
-	"sh -c 'printf \"BaseBody\\n\"; exec sleep 100'" || exit 1
-$INNER split-window -d -h -t find:base \
-	"sh -c 'printf \"OtherBody\\n\"; exec sleep 100'" || exit 1
-$INNER new-window -d -t find: -n NameNeedle 'exec sleep 100' || exit 1
-$INNER new-window -d -t find: -n body \
-	"sh -c 'printf \"BodyNeedle\\n\"; exec sleep 100'" || exit 1
-$INNER new-window -d -t find: -n titled 'exec sleep 100' || exit 1
-$INNER select-pane -t find:titled.0 -T TitleNeedle || exit 1
-$INNER set-option -g status off || exit 1
-$INNER set-option -g window-size manual || exit 1
-$OUTER new-session -d -s outer -x80 -y24 "$INNER attach -t find:base" || exit 1
-$OUTER set-option -g status off || exit 1
-$OUTER set-option -g window-size manual || exit 1
-sleep 1
-
-# Wait until the body text is in the pane history before searching it.
-i=0
-while [ "$i" -lt 50 ]; do
-	$INNER capture-pane -p -t find:body.0 | grep -Fq BodyNeedle && break
-	sleep 0.1
-	i=$((i + 1))
-done
-[ "$i" -lt 50 ] || fail "pane content was not ready"
-
-# No flags means C+N+T. Then cover all three pairs and all three singletons.
-run_find default NameNeedle NameNeedle
-run_find content-name NameNeedle -C -N NameNeedle
-run_find content-title titled -C -T TitleNeedle
-run_find name-title titled -N -T TitleNeedle
-run_find content-only body -C BodyNeedle
-run_find name-only NameNeedle -N NameNeedle
-run_find title-only titled -T TitleNeedle
-
-# Glob case folding and all regular-expression suffix variants.
-run_find insensitive NameNeedle -N -i nameneedle
-run_find regex NameNeedle -N -r '^NameNeedle$'
-run_find regex-insensitive NameNeedle -N -r -i '^nameneedle$'
-
-# -Z temporarily zooms the target window and restores its prior state on exit.
-$INNER find-window -Z -t find:base.0 -N NameNeedle || exit 1
-wait_mode tree-mode
-[ "$($INNER display-message -p -t find:base '#{window_zoomed_flag}')" = 1 ] ||
-	fail "find-window -Z did not zoom"
-$INNER send-keys -t find:base.0 q || exit 1
-wait_mode ''
-[ "$($INNER display-message -p -t find:base '#{window_zoomed_flag}')" = 0 ] ||
-	fail "find-window -Z did not restore zoom"
-
-exit 0

regress/format-variables.sh

@@ -71,10 +71,7 @@ cursor_very_visible
 cursor_x
 cursor_y
 history_all_bytes
-history_added
 history_bytes
-history_collected
-history_generation
 history_limit
 history_size
 host
@@ -106,11 +103,6 @@ pane_at_right
 pane_at_top
 pane_bg
 pane_bottom
-pane_command_duration
-pane_command_end_time
-pane_command_running
-pane_command_start_time
-pane_command_status
 pane_current_command
 pane_current_path
 pane_dead
@@ -128,21 +120,16 @@ pane_index
 pane_input_off
 pane_key_mode
 pane_last
-pane_last_output_time
-pane_last_prompt_time
 pane_left
 pane_marked
 pane_marked_set
-pane_modal_flag
 pane_mode
-pane_output_generation
 pane_path
 pane_pb_progress
 pane_pb_state
 pane_pid
 pane_pipe
 pane_pipe_pid
-pane_private_modes
 pane_right
 pane_search_string
 pane_start_command
@@ -154,8 +141,6 @@ pane_title
 pane_top
 pane_tty
 pane_unseen_changes
-pane_unzoomed_height
-pane_unzoomed_width
 pane_width
 pane_x
 pane_y
@@ -221,10 +206,7 @@ window_layout
 window_linked
 window_linked_sessions
 window_linked_sessions_list
-window_manual_height
-window_manual_width
 window_marked_flag
-window_modal_pane
 window_name
 window_offset_x
 window_offset_y

regress/hooks-notify.sh

@@ -218,13 +218,11 @@ $TMUX set-hook -gu pane-mode-changed || fail "unset pane-mode-changed failed"
 
 # pane-exited when a pane's command exits with remain-on-exit off.
 $TMUX set -g @x 0 || fail "set @x failed"
-$TMUX set-hook -g pane-exited \
-	'set -gF @x "#{hook}:#{hook_pane}:#{hook_exit_status}:#{hook_exit_success}"' ||
+$TMUX set-hook -g pane-exited 'set -gF @x "#{hook}:#{hook_pane}"' ||
 	fail "set-hook pane-exited failed"
-pane=$($TMUX splitw -d -t main:0 -P -F '#{pane_id}' \
-	'trap "" HUP; exec </dev/null >/dev/null 2>&1; sleep 1; exit 42') ||
-	fail "split-window exit 42 failed"
-wait_for @x "pane-exited:$pane:42:0"
+pane=$($TMUX splitw -d -t main:0 -P -F '#{pane_id}' 'true') ||
+	fail "split-window true failed"
+wait_for @x "pane-exited:$pane"
 $TMUX set-hook -gu pane-exited || fail "unset pane-exited failed"
 
 # pane-died when a pane's command exits with remain-on-exit on.

regress/input-modes.sh

@@ -5,12 +5,9 @@
 start_pane alternate 10 3 'MAIN\033[?1049hALT\033[?1049lZ\n'
 check_capture alternate 'MAINZ'
 
-start_pane osc133 20 12 'xx\033]133;A\007p>\033]133;B\007cmd\nxy\033]133;P;k=s\007more\nxz\033]133;A;k=s\007more\nxw\033]133;P;k=c\007more\nxv\033]133;A;k=c\007more\nzz\033]133;C\007out\033]133;D;7\007\nq\033]133;C\007bad\033]133;D;-1\007\nqq\033]133;C\007big\033]133;D;300\007\nzzz\033]133;C\007ok\033]133;D\007\n'
+start_pane osc133 20 8 'xx\033]133;A\007p>\033]133;B\007cmd\nxy\033]133;P;k=s\007more\nzz\033]133;C\007out\033]133;D;7\007\nq\033]133;C\007bad\033]133;D;-1\007\nqq\033]133;C\007big\033]133;D;300\007\nzzz\033]133;C\007ok\033]133;D\007\n'
 check_capture osc133 'xxp>cmd
 xymore
-xzmore
-xwmore
-xvmore
 zzout
 qbad
 qqbig
@@ -18,13 +15,10 @@ zzzok'
 check_raw_matches osc133 \
 	'L 0 \(0\) flags=START_PROMPT,START_COMMAND\[[0-9a-f]+\].* osc133=2,4,0,0,0' \
 	'L 1 \(1\) flags=SECOND_PROMPT\[[0-9a-f]+\].* osc133=2,0,0,0,0' \
-	'L 2 \(2\) flags=SECOND_PROMPT\[[0-9a-f]+\].* osc133=2,0,0,0,0' \
-	'L 3 \(3\) flags=SECOND_PROMPT\[[0-9a-f]+\].* osc133=2,0,0,0,0' \
-	'L 4 \(4\) flags=SECOND_PROMPT\[[0-9a-f]+\].* osc133=2,0,0,0,0' \
-	'L 5 \(5\) flags=START_OUTPUT,END_OUTPUT,END_OUTPUT_STATUS\[[0-9a-f]+\].* osc133=0,0,2,5,7' \
-	'L 6 \(6\) flags=START_OUTPUT,END_OUTPUT,END_OUTPUT_STATUS\[[0-9a-f]+\].* osc133=0,0,1,4,255' \
-	'L 7 \(7\) flags=START_OUTPUT,END_OUTPUT,END_OUTPUT_STATUS\[[0-9a-f]+\].* osc133=0,0,2,5,255' \
-	'L 8 \(8\) flags=START_OUTPUT,END_OUTPUT\[[0-9a-f]+\].* osc133=0,0,3,5,0'
+	'L 2 \(2\) flags=START_OUTPUT,END_OUTPUT\[[0-9a-f]+\].* osc133=0,0,2,5,7' \
+	'L 3 \(3\) flags=START_OUTPUT,END_OUTPUT\[[0-9a-f]+\].* osc133=0,0,1,4,255' \
+	'L 4 \(4\) flags=START_OUTPUT,END_OUTPUT\[[0-9a-f]+\].* osc133=0,0,2,5,255' \
+	'L 5 \(5\) flags=START_OUTPUT,END_OUTPUT\[[0-9a-f]+\].* osc133=0,0,3,5,0'
 
 $TMUX kill-server 2>/dev/null
 exit $exit_status

regress/layout-set.sh

@@ -1,126 +0,0 @@
-#!/bin/sh
-
-# Exercise every predefined layout, next/previous cycling, lookup and restore
-# paths, one-pane early returns, minimum-size handling and floating panes.
-
-PATH=/bin:/usr/bin
-TERM=screen
-export PATH TERM
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-DIR=$(mktemp -d) || exit 1
-TMUX_TMPDIR=$DIR
-export TMUX_TMPDIR
-TMUX="$TEST_TMUX -Ltest$$ -f/dev/null"
-SEEN="$DIR/layouts"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$TMUX kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-layout()
-{
-	$TMUX display-message -p -t layouts:many '#{window_layout}'
-}
-
-check_layout()
-{
-	name=$1
-	$TMUX select-layout -t layouts:many "$name" ||
-		fail "select-layout $name failed"
-	value=$(layout)
-	[ -n "$value" ] || fail "$name produced an empty layout"
-	if grep -Fxq "$value" "$SEEN"; then
-		fail "$name produced the same layout as an earlier preset"
-	fi
-	printf '%s\n' "$value" >>"$SEEN"
-	[ "$($TMUX list-panes -t layouts:many -F x | wc -l)" -eq 5 ] ||
-		fail "$name lost a pane"
-	[ "$($TMUX list-panes -t layouts:many -F '#{pane_floating_flag}' | \
-	    grep -c '^1$')" -eq 1 ] || fail "$name did not preserve the floating pane"
-}
-
-$TMUX new-session -d -s layouts -n many -x100 -y40 'exec sleep 100' || exit 1
-$TMUX set-option -g window-size manual || exit 1
-$TMUX split-window -d -h -t layouts:many 'exec sleep 100' || exit 1
-$TMUX split-window -d -v -t layouts:many 'exec sleep 100' || exit 1
-$TMUX split-window -d -h -t layouts:many 'exec sleep 100' || exit 1
-floating=$($TMUX new-pane -dP -F '#{pane_id}' -t layouts:many \
-    -x20 -y8 -X10 -Y5 'exec sleep 100') || exit 1
-: >"$SEEN"
-
-# Options exercise percentage and explicit secondary-size calculations.
-$TMUX set-option -w -t layouts:many main-pane-height 30% || exit 1
-$TMUX set-option -w -t layouts:many other-pane-height 12 || exit 1
-$TMUX set-option -w -t layouts:many main-pane-width 35% || exit 1
-$TMUX set-option -w -t layouts:many other-pane-width 20 || exit 1
-
-for name in even-horizontal even-vertical main-horizontal \
-    main-horizontal-mirrored main-vertical main-vertical-mirrored tiled; do
-	check_layout "$name"
-done
-
-# Exact and unique-prefix lookup work; ambiguous and invalid names fail.
-$TMUX select-layout -t layouts:many even-h || fail "unique layout prefix failed"
-$TMUX select-layout -t layouts:many main >/dev/null 2>&1 &&
-	fail "ambiguous layout prefix succeeded"
-$TMUX select-layout -t layouts:many no-such-layout >/dev/null 2>&1 &&
-	fail "invalid layout name succeeded"
-
-# Cycle through all layouts in both directions, including wraparound. The
-# aliases and select-layout flags share layout_set_next/previous.
-first=$(layout)
-i=0
-while [ "$i" -lt 7 ]; do
-	$TMUX next-layout -t layouts:many || exit 1
-	i=$((i + 1))
-done
-[ "$(layout)" = "$first" ] || fail "next-layout did not wrap"
-i=0
-while [ "$i" -lt 7 ]; do
-	$TMUX previous-layout -t layouts:many || exit 1
-	i=$((i + 1))
-done
-[ "$(layout)" = "$first" ] || fail "previous-layout did not wrap"
-$TMUX select-layout -t layouts:many -n || exit 1
-$TMUX select-layout -t layouts:many -p || exit 1
-
-# No argument reapplies the last preset; -o restores the previous layout; -E
-# spreads the current cell without changing the pane set.
-$TMUX kill-pane -t "$floating" || exit 1
-$TMUX select-layout -t layouts:many tiled || exit 1
-tiled=$(layout)
-$TMUX select-layout -t layouts:many even-horizontal || exit 1
-$TMUX select-layout -t layouts:many -o || exit 1
-[ "$(layout)" = "$tiled" ] || fail "select-layout -o did not restore layout"
-$TMUX select-layout -t layouts:many || exit 1
-$TMUX select-layout -t layouts:many -E || exit 1
-
-# Each arranger has a deliberate one-pane early return.
-$TMUX new-window -d -t layouts: -n one 'exec sleep 100' || exit 1
-one=$($TMUX display-message -p -t layouts:one '#{window_layout}')
-for name in even-horizontal even-vertical main-horizontal \
-    main-horizontal-mirrored main-vertical main-vertical-mirrored tiled; do
-	$TMUX select-layout -t layouts:one "$name" || exit 1
-	[ "$($TMUX display-message -p -t layouts:one '#{window_layout}')" = "$one" ] ||
-		fail "$name changed a one-pane layout"
-done
-
-# Force the minimum-size paths without requiring a terminal client.
-$TMUX resize-window -t layouts:many -x10 -y6 || exit 1
-for name in even-horizontal even-vertical main-horizontal \
-    main-horizontal-mirrored main-vertical main-vertical-mirrored tiled; do
-	$TMUX select-layout -t layouts:many "$name" || exit 1
-done
-
-$TMUX has-session -t layouts || fail "server died during layout tests"
-exit 0

regress/list-commands.sh

@@ -1,46 +0,0 @@
-#!/bin/sh
-
-# Exercise list-commands for the full table, a single command, aliases, custom
-# and empty formats, and lookup errors.
-
-PATH=/bin:/usr/bin
-TERM=screen
-export PATH TERM
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-DIR=$(mktemp -d) || exit 1
-TMUX_TMPDIR=$DIR
-export TMUX_TMPDIR
-TMUX="$TEST_TMUX -Ltest$$ -f/dev/null"
-
-cleanup()
-{
-	$TMUX kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-# Keep a server alive across commands. Otherwise a STARTSERVER-only command
-# may exit between invocations and leave a short socket-cleanup race.
-$TMUX new-session -d -s list-commands 'exec sleep 100' || exit 1
-
-all=$($TMUX list-commands) || exit 1
-printf '%s\n' "$all" | grep -q '^attach-session (attach)' || exit 1
-printf '%s\n' "$all" | grep -q '^list-commands (lscm)' || exit 1
-
-one=$($TMUX list-commands -F \
-    '#{command_list_name}|#{command_list_alias}|#{command_list_usage}' \
-    list-commands) || exit 1
-case "$one" in
-'list-commands|lscm|'*) ;;
-*) exit 1 ;;
-esac
-
-# Aliases resolve to their command, while an empty expansion prints no line.
-[ "$($TMUX list-commands -F '#{command_list_name}' lscm)" = list-commands ] ||
-	exit 1
-[ -z "$($TMUX list-commands -F '' list-commands)" ] || exit 1
-
-$TMUX list-commands tmux-no-command-$$ >/dev/null 2>&1 && exit 1
-$TMUX list-commands list >/dev/null 2>&1 && exit 1
-exit 0

regress/local-pane-selection.sh

@@ -0,0 +1,201 @@
+#!/bin/sh
+
+PATH=/bin:/usr/bin
+TERM=screen
+LANG=C.UTF-8
+LC_ALL=C.UTF-8
+export TERM LANG LC_ALL
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
+
+TMPDIR=${TMPDIR:-/tmp}/tmux-local-pane.$$
+mkdir -p "$TMPDIR" || exit 1
+IN1="$TMPDIR/in1"
+IN2="$TMPDIR/in2"
+OUT1="$TMPDIR/out1"
+OUT2="$TMPDIR/out2"
+
+cleanup()
+{
+	$TMUX kill-server 2>/dev/null
+	rm -rf "$TMPDIR"
+}
+trap cleanup 0 1 15
+
+fail()
+{
+	echo "$1"
+	exit 1
+}
+
+wait_for()
+{
+	file=$1
+	pattern=$2
+	i=0
+	while [ "$i" -lt 20 ]; do
+		if grep -q "$pattern" "$file"; then
+			return 0
+		fi
+		sleep 1
+		i=$((i + 1))
+	done
+	echo "missing '$pattern' in $file"
+	cat "$file"
+	return 1
+}
+
+send1()
+{
+	printf '%s\n' "$*" >&3
+}
+
+send2()
+{
+	printf '%s\n' "$*" >&4
+}
+
+check_fmt()
+{
+	out=$($TMUX display-message -p -t "$1" "$2" 2>&1)
+	if [ "$out" != "$3" ]; then
+		echo "Format '$2' for '$1' wrong."
+		echo "Expected: '$3'"
+		echo "But got:  '$out'"
+		exit 1
+	fi
+}
+
+$TMUX kill-server 2>/dev/null
+$TMUX new-session -d -s active -x 80 -y 24 || exit 1
+$TMUX split-window -d -h -t active:0 || exit 1
+$TMUX split-window -d -v -t active:0.0 || exit 1
+style=$($TMUX show-options -wgv pane-active-border-style) || exit 1
+case "$style" in
+*pane_local_active*themecyan*) ;;
+*) fail "pane-active-border-style does not include local active colour" ;;
+esac
+
+p0=$($TMUX display-message -p -t active:0.0 '#{pane_id}') || exit 1
+p1=$($TMUX display-message -p -t active:0.1 '#{pane_id}') || exit 1
+p2=$($TMUX display-message -p -t active:0.2 '#{pane_id}') || exit 1
+$TMUX select-pane -t "$p0" || exit 1
+check_fmt active:0 '#{pane_id}' "$p0"
+
+mkfifo "$IN1" "$IN2" || exit 1
+: >"$OUT1"
+: >"$OUT2"
+$TMUX -C attach-session -t active <"$IN1" >"$OUT1" 2>&1 &
+PID1=$!
+exec 3>"$IN1"
+
+send1 'display-message -p C1_READY'
+wait_for "$OUT1" 'C1_READY' || exit 1
+
+# One attached client cannot enter local mode.
+send1 'select-pane -s'
+send1 "select-pane -t $p1"
+send1 'display-message -p "C1_SINGLE:#{pane_id}:#{pane_active}:#{pane_local_active}"'
+wait_for "$OUT1" "C1_SINGLE:$p1:1:" || exit 1
+check_fmt active:0 '#{pane_id}' "$p1"
+send1 "select-pane -t $p0"
+check_fmt active:0 '#{pane_id}' "$p0"
+
+$TMUX -C attach-session -t active <"$IN2" >"$OUT2" 2>&1 &
+PID2=$!
+exec 4>"$IN2"
+
+send2 'display-message -p C2_READY'
+wait_for "$OUT2" 'C2_READY' || exit 1
+
+# Both clients start in shared mode and see the window active pane.
+send1 'display-message -p "C1_START:#{pane_id}:#{pane_active}:#{pane_local_active}"'
+send2 'display-message -p "C2_START:#{pane_id}:#{pane_active}:#{pane_local_active}"'
+wait_for "$OUT1" "C1_START:$p0:1:" || exit 1
+wait_for "$OUT2" "C2_START:$p0:1:" || exit 1
+
+# Client 1 enters local mode and selects a pane without changing shared state.
+send1 'select-pane -s'
+send1 "select-pane -t $p1"
+send1 'display-message -p "C1_LOCAL:#{pane_id}:#{pane_active}:#{pane_local_active}:#{pane_local_mode}"'
+send1 "display-message -p -t $p0 \"C1_LOCAL_INACTIVE:#{pane_id}:#{pane_active}:#{pane_local_active}\""
+wait_for "$OUT1" "C1_LOCAL:$p1:1:1:1" || exit 1
+wait_for "$OUT1" "C1_LOCAL_INACTIVE:$p0:0:0" || exit 1
+check_fmt active:0 '#{pane_id}' "$p0"
+send2 'display-message -p "C2_SHARED:#{pane_id}:#{pane_active}:#{pane_local_active}"'
+wait_for "$OUT2" "C2_SHARED:$p0:1:" || exit 1
+
+# Client 2 can keep an independent local pane in the same window.
+send2 'select-pane -s'
+send2 "select-pane -t $p2"
+send2 'display-message -p "C2_LOCAL:#{pane_id}:#{pane_active}:#{pane_local_active}"'
+wait_for "$OUT2" "C2_LOCAL:$p2:1:1" || exit 1
+send1 'display-message -p "C1_STILL:#{pane_id}:#{pane_active}:#{pane_local_active}"'
+wait_for "$OUT1" "C1_STILL:$p1:1:1" || exit 1
+
+# Local last-pane history is independent of the shared window history.
+send1 "select-pane -t $p2"
+send1 'last-pane'
+send1 'display-message -p "C1_LAST:#{pane_id}:#{pane_last}"'
+wait_for "$OUT1" "C1_LAST:$p1:0" || exit 1
+check_fmt active:0 '#{pane_id}' "$p0"
+
+# Switching back to shared mode immediately follows window->active.
+send1 'select-pane -S'
+send1 'display-message -p "C1_SHARED_AGAIN:#{pane_id}:#{pane_active}"'
+wait_for "$OUT1" "C1_SHARED_AGAIN:$p0:1" || exit 1
+send1 "select-pane -t $p1"
+check_fmt active:0 '#{pane_id}' "$p1"
+send2 'display-message -p "C2_STILL_LOCAL:#{pane_id}:#{pane_active}"'
+wait_for "$OUT2" "C2_STILL_LOCAL:$p2:1" || exit 1
+
+# Local selection survives switching away and back to the window.
+send2 'new-window -n other'
+send2 'previous-window'
+send2 'display-message -p "C2_AFTER_WINDOW_SWITCH:#{pane_id}:#{pane_active}"'
+wait_for "$OUT2" "C2_AFTER_WINDOW_SWITCH:$p2:1" || exit 1
+
+# Removing a locally active pane recovers to the shared active pane.
+$TMUX kill-pane -t "$p2" || exit 1
+send2 'display-message -p "C2_AFTER_KILL:#{pane_id}:#{pane_active}"'
+wait_for "$OUT2" "C2_AFTER_KILL:$p1:1" || exit 1
+
+# Local selection of a floating pane does not raise it unless requested.
+f1=$($TMUX new-pane -dPF '#{pane_id}' -x 20 -y 6 -X 8 -Y 3 \
+    -t active:0 'sleep 100') || exit 1
+f2=$($TMUX new-pane -dPF '#{pane_id}' -x 20 -y 6 -X 12 -Y 5 \
+    -t active:0 'sleep 100') || exit 1
+check_fmt "$f1" '#{pane_z}' 1
+check_fmt "$f2" '#{pane_z}' 0
+send1 'select-pane -s'
+send1 "select-pane -t $f1"
+send1 "display-message -p -t $f1 \"C1_FLOAT_LOCAL:#{pane_id}:#{pane_active}:#{pane_z}\""
+wait_for "$OUT1" "C1_FLOAT_LOCAL:$f1:1:1" || exit 1
+check_fmt "$f1" '#{pane_z}' 1
+send1 "select-pane -M -t $f1"
+send1 "display-message -p -t $f1 \"C1_FLOAT_BORDER:#{pane_id}:#{pane_active}:#{pane_z}\""
+wait_for "$OUT1" "C1_FLOAT_BORDER:$f1:1:1" || exit 1
+check_fmt "$f1" '#{pane_z}' 1
+send1 "move-pane -P front -t $f1"
+send1 "display-message -p -t $f1 \"C1_FLOAT_RAISE:#{pane_z}\""
+wait_for "$OUT1" "C1_FLOAT_RAISE:0" || exit 1
+check_fmt "$f1" '#{pane_z}' 0
+$TMUX kill-pane -t "$f1" || exit 1
+$TMUX kill-pane -t "$f2" || exit 1
+
+# When only one client remains, local mode is cleared.
+send1 'select-pane -s'
+send1 "select-pane -t $p0"
+send1 'display-message -p "C1_LOCAL_BEFORE_DETACH:#{pane_id}:#{pane_local_active}"'
+wait_for "$OUT1" "C1_LOCAL_BEFORE_DETACH:$p0:1" || exit 1
+kill "$PID2" 2>/dev/null
+wait "$PID2" 2>/dev/null
+send1 'display-message -p "C1_AFTER_DETACH:#{pane_id}:#{pane_local_active}"'
+wait_for "$OUT1" "C1_AFTER_DETACH:$p1:" || exit 1
+
+kill "$PID1" 2>/dev/null
+wait "$PID1" 2>/dev/null
+$TMUX display-message -p alive >/dev/null 2>&1 || fail "server died"
+
+exit 0

regress/output-commands.sh

@@ -1,168 +0,0 @@
-#!/bin/sh
-
-PATH=/bin:/usr/bin
-TERM=screen
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -L${TEST_SOCKET:-testO$$} -f/dev/null"
-OUT=/tmp/tmux-output-commands-$$
-EXPECTED=$(printf 'one\ntwo')
-
-cleanup()
-{
-	$TMUX kill-server 2>/dev/null
-	rm -f "$OUT"
-}
-trap cleanup EXIT HUP INT TERM
-
-$TMUX kill-server 2>/dev/null
-$TMUX new-session -d -x80 -y20 "sh -c 'printf \"\\033]133;A\\007p\\$ \\033]133;B\\007echo\\n\\033]133;C\\007one\\ntwo\\n\\033]133;D;0\\007separator\\n\\033]133;A\\007p\\$ \\033]133;B\\007broken\\n\\033]133;C\\007unfinished\"; exec sleep 100'" || exit 1
-sleep 1
-
-$TMUX copy-mode -U || exit 1
-$TMUX send-keys -X copy-output || exit 1
-[ "$($TMUX show-buffer)" = unfinished ] || exit 1
-
-$TMUX send-keys -X pipe-output "wc -c >$OUT" || exit 1
-sleep 1
-[ "$(cat "$OUT")" = 10 ] || exit 1
-
-$TMUX send-keys -X copy-pipe-output "wc -c >$OUT" output || exit 1
-sleep 1
-[ "$(cat "$OUT")" = 10 ] || exit 1
-[ "$($TMUX show-buffer)" = unfinished ] || exit 1
-
-$TMUX send-keys -X select-output || exit 1
-$TMUX send-keys -X copy-selection || exit 1
-[ "$($TMUX show-buffer)" = unfinished ] || exit 1
-$TMUX send-keys -X cancel || exit 1
-
-$TMUX copy-mode -U || exit 1
-$TMUX send-keys -X search-backward separator || exit 1
-$TMUX send-keys -X copy-output || exit 1
-copied=$($TMUX show-buffer)
-[ "$copied" = "$EXPECTED" ] || exit 1
-$TMUX send-keys -X cancel || exit 1
-
-$TMUX copy-mode -U || exit 1
-$TMUX send-keys -X search-backward one || exit 1
-$TMUX send-keys -X copy-output || exit 1
-copied=$($TMUX show-buffer)
-[ "$copied" = "$EXPECTED" ] || exit 1
-
-$TMUX send-keys -X pipe-output "wc -l >$OUT" || exit 1
-sleep 1
-[ "$(cat "$OUT")" = 2 ] || exit 1
-
-$TMUX send-keys -X copy-pipe-output "wc -l >$OUT" output || exit 1
-sleep 1
-[ "$(cat "$OUT")" = 2 ] || exit 1
-copied=$($TMUX show-buffer)
-[ "$copied" = "$EXPECTED" ] || exit 1
-$TMUX send-keys -X cancel || exit 1
-
-$TMUX copy-mode -c || exit 1
-$TMUX send-keys -X search-backward echo || exit 1
-$TMUX send-keys -X select-output || exit 1
-$TMUX send-keys -X copy-selection || exit 1
-selected=$($TMUX show-buffer)
-[ "$selected" = "$EXPECTED" ] || exit 1
-$TMUX send-keys -X cancel || exit 1
-
-$TMUX set-buffer -b keep unchanged || exit 1
-$TMUX copy-mode -U || exit 1
-$TMUX send-keys -X search-backward unfinished || exit 1
-$TMUX send-keys -X copy-output || exit 1
-[ "$($TMUX show-buffer)" = unfinished ] || exit 1
-$TMUX send-keys -X cancel || exit 1
-
-$TMUX new-window -d -n plain "printf 'alpha\\nbeta\\n'; exec sleep 100" || exit 1
-sleep 1
-$TMUX copy-mode -t :plain || exit 1
-$TMUX send-keys -t :plain.0 -X copy-output -a || exit 1
-all=$($TMUX show-buffer)
-case "$all" in
-*alpha*beta*) ;;
-*) exit 1 ;;
-esac
-$TMUX send-keys -t :plain.0 -X cancel || exit 1
-
-$TMUX set-buffer -b keep unchanged || exit 1
-$TMUX copy-mode -t :plain || exit 1
-$TMUX send-keys -t :plain.0 -X copy-output || exit 1
-[ "$($TMUX show-buffer -b keep)" = unchanged ] || exit 1
-$TMUX send-keys -t :plain.0 -X cancel || exit 1
-
-$TMUX copy-mode -t :plain || exit 1
-$TMUX send-keys -t :plain.0 -X select-output || exit 1
-$TMUX send-keys -t :plain.0 -X select-output -a || exit 1
-$TMUX send-keys -t :plain.0 -X copy-selection || exit 1
-all=$($TMUX show-buffer)
-case "$all" in
-*alpha*beta*) ;;
-*) exit 1 ;;
-esac
-$TMUX send-keys -t :plain.0 -X cancel || exit 1
-
-$TMUX new-window -d -n empty "printf '\\033]133;A\\007p\\$ \\033]133;B\\007echo\\033]133;C\\007one\\n\\033]133;D;0\\007\\033]133;A\\007p\\$ \\033]133;B\\007true\\033]133;C\\033]133;D;0\\007'; exec sleep 100" || exit 1
-sleep 1
-$TMUX copy-mode -t :empty || exit 1
-$TMUX send-keys -t :empty.0 -X copy-output || exit 1
-[ "$($TMUX show-buffer)" = one ] || exit 1
-$TMUX send-keys -t :empty.0 -X cancel || exit 1
-
-$TMUX new-window -d -n prompt "printf '\\033]133;A\\007p\\$ \\033]133;B\\007echo\\033]133;C\\007one\\n\\033]133;D;0\\007\\033]133;A\\007p\\$ \\033]133;B\\007'; exec sleep 100" || exit 1
-sleep 1
-$TMUX copy-mode -U -t :prompt || exit 1
-$TMUX send-keys -t :prompt.0 -X copy-output || exit 1
-[ "$($TMUX show-buffer)" = one ] || exit 1
-$TMUX send-keys -t :prompt.0 -X cancel || exit 1
-
-$TMUX copy-mode -c -t :prompt || exit 1
-$TMUX send-keys -t :prompt.0 -X expand-output || exit 1
-$TMUX send-keys -t :prompt.0 -X -N 10 cursor-down || exit 1
-$TMUX send-keys -t :prompt.0 -X select-output || exit 1
-[ "$($TMUX display-message -p -t :prompt.0 '#{selection_present}')" = 1 ] || exit 1
-$TMUX send-keys -t :prompt.0 -X copy-selection || exit 1
-[ "$($TMUX show-buffer)" = one ] || exit 1
-$TMUX send-keys -t :prompt.0 -X cancel || exit 1
-
-$TMUX new-window -d -n below "printf '\\033]133;A\\007p\\$ \\033]133;B\\007old\\n\\033]133;C\\007old1\\nold2\\nold3\\nold4\\nold5\\n\\033]133;D;0\\007separator\\n\\033]133;A\\007p\\$ \\033]133;B\\007ps\\n\\033]133;C\\007PID TTY\\n1 pts/0\\n\\033]133;D;0\\007separator\\n\\033]133;A\\007p\\$ \\033]133;B\\007'; exec sleep 100" || exit 1
-sleep 1
-$TMUX copy-mode -c -t :below || exit 1
-$TMUX send-keys -t :below.0 -X search-backward ps || exit 1
-$TMUX send-keys -t :below.0 -X expand-output || exit 1
-$TMUX send-keys -t :below.0 -X -N 100 cursor-down || exit 1
-$TMUX send-keys -t :below.0 C-o || exit 1
-[ "$($TMUX display-message -p -t :below.0 '#{selection_present}')" = 1 ] || exit 1
-$TMUX send-keys -t :below.0 -X copy-selection || exit 1
-[ "$($TMUX show-buffer)" = "$(printf 'PID TTY\\n1 pts/0')" ] || exit 1
-$TMUX send-keys -t :below.0 -X cancel || exit 1
-
-$TMUX new-window -d -n clear "printf 'old1\\nold2\\nold3\\nold4\\nold5\\nold6\\n\\033]133;A\\007p\\$ \\033]133;B\\007echo 1; clear; ps\\n\\033]133;C\\0071\\n\\033[H\\033[2JPID TTY\\n1 pts/0\\n\\033]133;D;0\\007separator\\n\\033]133;A\\007p\\$ \\033]133;B\\007'; exec sleep 100" || exit 1
-sleep 1
-$TMUX copy-mode -t :clear || exit 1
-$TMUX send-keys -t :clear.0 C-o || exit 1
-$TMUX send-keys -t :clear.0 -X copy-selection || exit 1
-[ "$($TMUX show-buffer)" = "$(printf 'PID TTY\\n1 pts/0')" ] || exit 1
-$TMUX send-keys -t :clear.0 -X cancel || exit 1
-
-$TMUX new-window -d -n same "printf '\\033]133;A\\007p\\$ \\033]133;B\\007echo\\n\\033]133;C\\007one\\033]133;D;0\\007\\033]133;A\\007p\\$ \\033]133;B\\007'; exec sleep 100" || exit 1
-sleep 1
-$TMUX copy-mode -U -t :same || exit 1
-$TMUX send-keys -t :same.0 -X search-backward one || exit 1
-$TMUX send-keys -t :same.0 -X select-output || exit 1
-$TMUX send-keys -t :same.0 -X copy-selection || exit 1
-[ "$($TMUX show-buffer)" = one ] || exit 1
-$TMUX send-keys -t :same.0 -X cancel || exit 1
-
-$TMUX copy-mode -t :plain || exit 1
-$TMUX send-keys -t :plain.0 -X copy-output -a || exit 1
-all=$($TMUX show-buffer)
-case "$all" in
-*alpha*beta*) ;;
-*) exit 1 ;;
-esac
-$TMUX send-keys -t :plain.0 -X cancel || exit 1
-
-exit 0

regress/prompt-words-history.sh

@@ -1,165 +0,0 @@
-#!/bin/sh
-
-# Cover prompt word movement in emacs and vi modes, ambiguous inline command
-# completion, and the show/clear-prompt-history command surface.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-DIR=$(mktemp -d) || exit 1
-TMUX_TMPDIR=$DIR
-export TMUX_TMPDIR
-INNER="$TEST_TMUX -LtestI$$ -f/dev/null"
-OUTER="$TEST_TMUX -LtestO$$ -f/dev/null"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$OUTER kill-server 2>/dev/null
-	$INNER kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-capture()
-{
-	$OUTER capture-pane -p -t outer:0.0 2>/dev/null
-}
-
-wait_result()
-{
-	want=$1
-	i=0
-	while [ "$i" -lt 50 ]; do
-		got=$($INNER show-option -gqv @result 2>/dev/null)
-		[ "$got" = "$want" ] && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "prompt result is '$got', expected '$want'"
-}
-
-bind_prompt()
-{
-	initial=$1
-	$INNER bind-key -n M-r command-prompt -I "$initial" -p '(word)' \
-		"set-option -g @result '%%'" || exit 1
-}
-
-run_prompt()
-{
-	want=$1
-	shift
-	$INNER set-option -g @result sentinel || exit 1
-	$OUTER send-keys M-r || exit 1
-	sleep 0.2
-	$OUTER send-keys "$@" || exit 1
-	$OUTER send-keys Enter || exit 1
-	wait_result "$want"
-}
-
-run_vi_prompt()
-{
-	want=$1
-	shift
-	$INNER set-option -g @result sentinel || exit 1
-	$OUTER send-keys M-r || exit 1
-	sleep 0.2
-	# Send Escape separately so the terminal's escape-time handling does not
-	# combine it with the first vi command as a Meta key.
-	$OUTER send-keys Escape || exit 1
-	# The inner client must see Escape as a complete key, not the prefix of a
-	# Meta sequence (the default escape-time is 500 milliseconds).
-	sleep 0.7
-	$OUTER send-keys "$@" || exit 1
-	$OUTER send-keys Enter || exit 1
-	wait_result "$want"
-}
-
-$INNER new-session -d -s prompt -x80 -y24 'exec sleep 100' || exit 1
-$INNER set-option -g status on || exit 1
-$INNER set-option -g status-position bottom || exit 1
-$INNER set-option -g window-size manual || exit 1
-$OUTER new-session -d -s outer -x80 -y24 "$INNER attach -t prompt" || exit 1
-$OUTER set-option -g status off || exit 1
-$OUTER set-option -g window-size manual || exit 1
-sleep 1
-
-# Emacs Meta-f stops after the first word; Meta-b returns to the start of the
-# previous word. Inserting a marker makes the cursor position observable.
-$INNER set-option -g status-keys emacs || exit 1
-bind_prompt 'one two'
-run_prompt 'oneX two' Home M-f X
-bind_prompt 'one two'
-run_prompt 'one Xtwo' M-b X
-
-# Vi translation and the distinct separator-aware and WORD motions.
-$INNER set-option -g status-keys vi || exit 1
-bind_prompt 'one-two three'
-run_vi_prompt 'one-two Xthree' b i X
-bind_prompt 'one-two three'
-run_vi_prompt 'one-two Xthree' B i X
-bind_prompt 'one-two three'
-run_vi_prompt 'oneX-two three' 0 w i X
-bind_prompt 'one-two three'
-run_vi_prompt 'one-two Xthree' 0 W i X
-bind_prompt 'one-two three'
-run_vi_prompt 'oneX-two three' 0 e a X
-bind_prompt 'one-two three'
-run_vi_prompt 'one-twoX three' 0 E a X
-
-# "show-" has several command matches and no longer common prefix. Tab keeps
-# the input and draws the sorted candidates inline.
-$INNER set-option -g status-keys emacs || exit 1
-bind_prompt ''
-$OUTER send-keys M-r || exit 1
-sleep 0.2
-$OUTER send-keys -l 'show-' || exit 1
-$OUTER send-keys Tab || exit 1
-sleep 0.2
-captured=$(capture)
-printf '%s\n' "$captured" | grep -Fq 'show-buffer' ||
-	fail "ambiguous completion list was not drawn"
-printf '%s\n' "$captured" | grep -Fq 'show-environment' ||
-	fail "ambiguous completion list was incomplete"
-$OUTER send-keys Escape || exit 1
-
-# Add entries to both history rings through real prompts.
-bind_prompt 'history-command'
-run_prompt 'history-command'
-$INNER bind-key -n M-s command-prompt -T search -I history-search \
-	-p '(search-history)' "set-option -g @result '%%'" || exit 1
-$OUTER send-keys M-s || exit 1
-$OUTER send-keys Enter || exit 1
-wait_result history-search
-
-command_history=$($INNER show-prompt-history -T command) || exit 1
-printf '%s\n' "$command_history" | grep -Fq 'history-command' ||
-	fail "command history entry missing"
-search_history=$($INNER show-prompt-history -T search) || exit 1
-printf '%s\n' "$search_history" | grep -Fq 'history-search' ||
-	fail "search history entry missing"
-all_history=$($INNER show-prompt-history) || exit 1
-printf '%s\n' "$all_history" | grep -Fq 'History for command:' || exit 1
-printf '%s\n' "$all_history" | grep -Fq 'History for search:' || exit 1
-
-$INNER show-prompt-history -T invalid >/dev/null 2>&1 &&
-	fail "invalid show history type succeeded"
-$INNER clear-prompt-history -T invalid >/dev/null 2>&1 &&
-	fail "invalid clear history type succeeded"
-$INNER clear-prompt-history -T command || exit 1
-$INNER show-prompt-history -T command | grep -Fq history-command &&
-	fail "type-specific history clear failed"
-$INNER clear-prompt-history || exit 1
-$INNER show-prompt-history | grep -Fq history-search &&
-	fail "all-history clear failed"
-
-exit 0

regress/screen-redraw-scrollbars-auto-hide.sh

@@ -1,96 +0,0 @@
-#!/bin/sh
-
-# Auto-hide scrollbars appear on activity or pointer hover, then disappear
-# after pane-scrollbars-timeout. Compare captures of the same copy-mode view so
-# only the overlay scrollbar changes.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-OUTER="$TEST_TMUX -LtestA$$ -f/dev/null"
-INNER="$TEST_TMUX -LtestB$$ -f/dev/null"
-DIR=$(mktemp -d) || exit 1
-HIDDEN=$DIR/hidden
-VISIBLE=$DIR/visible
-AFTER=$DIR/after
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$OUTER kill-server 2>/dev/null
-	$INNER kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-capture()
-{
-	$OUTER capture-pane -pe -t outer:0.0 >"$1" || exit 1
-}
-
-wait_for_client()
-{
-	i=0
-	while [ "$i" -lt 50 ]; do
-		$INNER list-clients 2>/dev/null | grep -q . && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "inner client did not attach"
-}
-
-$INNER new-session -d -s inner -x40 -y12 \
-	"sh -c 'seq 50; exec sleep 100'" || exit 1
-$INNER set-option -g status off || exit 1
-$INNER set-option -g window-size manual || exit 1
-$INNER set-option -g mouse on || exit 1
-$INNER set-window-option pane-scrollbars auto-hide || exit 1
-$INNER set-window-option pane-scrollbars-timeout 3000 || exit 1
-$INNER set-window-option pane-scrollbars-style \
-	'bg=colour196,fg=colour231,width=1,pad=0' || exit 1
-
-$OUTER new-session -d -s outer -x40 -y12 "$INNER attach -t inner" || exit 1
-$OUTER set-option -g status off || exit 1
-$OUTER set-option -g window-size manual || exit 1
-wait_for_client
-
-# Enter copy mode and choose a stable view. The initial show timer is allowed
-# to expire before taking the hidden reference capture.
-$INNER copy-mode -H || exit 1
-$INNER send-keys -X history-top || exit 1
-sleep 3.5
-capture "$HIDDEN"
-
-# A copy-mode page movement shows the overlay and starts its timer. Capture
-# that view immediately, then again after the timeout without moving it.
-$INNER send-keys -X page-down || exit 1
-sleep 0.1
-capture "$VISIBLE"
-sleep 3.5
-capture "$AFTER"
-cmp -s "$VISIBLE" "$AFTER" && fail "scrollbar did not hide after timeout"
-
-# Use the post-movement hidden scene as the reference for pointer hover. SGR
-# mouse column 40 is the right-hand scrollbar; moving to column 5 restarts the
-# timer without changing the copy-mode view.
-cp "$AFTER" "$HIDDEN"
-hover=$(printf '\033[<35;40;5M')
-$OUTER send-keys -l "$hover" || exit 1
-sleep 0.1
-capture "$VISIBLE"
-cmp -s "$HIDDEN" "$VISIBLE" && fail "scrollbar did not appear on hover"
-away=$(printf '\033[<35;5;5M')
-$OUTER send-keys -l "$away" || exit 1
-sleep 3.5
-capture "$AFTER"
-cmp -s "$HIDDEN" "$AFTER" || fail "scrollbar did not hide after hover"
-
-exit 0

regress/server-access.sh

@@ -1,112 +0,0 @@
-#!/bin/sh
-
-# Exercise the unprivileged server-access surface: user and group ACL entries,
-# read-only/writable transitions, listing, removal, implied addition, and
-# command errors. Actual connections from another UID require privileges and
-# deliberately do not form part of this test.
-
-PATH=/bin:/usr/bin
-TERM=screen
-export PATH TERM
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-OUT=$(mktemp) || exit 1
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$TMUX kill-server 2>/dev/null
-	rm -f "$OUT"
-}
-trap cleanup 0 1 15
-
-expect_fail()
-{
-	message=$1
-	shift
-	if $TMUX "$@" >"$OUT" 2>&1; then
-		fail "$message: command unexpectedly succeeded"
-	fi
-}
-
-assert_entry()
-{
-	entry=$1
-	$TMUX server-access -l >"$OUT" || exit 1
-	grep -Fxq "$entry" "$OUT" ||
-		fail "missing ACL entry '$entry'"
-}
-
-assert_no_entry()
-{
-	entry=$1
-	$TMUX server-access -l >"$OUT" || exit 1
-	if grep -Fxq "$entry" "$OUT"; then
-		fail "unexpected ACL entry '$entry'"
-	fi
-}
-
-owner_uid=$(id -u)
-owner_name=$(id -un)
-
-# nobody is the non-owner test identity. Derive its primary group rather than
-# assuming whether the system calls it nobody, nogroup, or something else.
-acl_user=nobody
-acl_group=$(id -gn "$acl_user" 2>/dev/null) ||
-	fail "the nobody account is unavailable"
-[ "$owner_name" != "$acl_user" ] || fail "test cannot run as nobody"
-
-$TMUX new-session -d -s access 'exec sleep 100' || exit 1
-
-# The owner is installed as writable at server startup (root is intentionally
-# omitted from display output).
-if [ "$owner_uid" != 0 ]; then
-	assert_entry "$owner_name (U,W)"
-fi
-
-# User ACL lifecycle, including duplicate and missing-entry errors.
-$TMUX server-access -a "$acl_user" || exit 1
-assert_entry "$acl_user (U,W)"
-expect_fail "duplicate user addition" server-access -a "$acl_user"
-$TMUX server-access -r "$acl_user" || exit 1
-assert_entry "$acl_user (U,R)"
-$TMUX server-access -w "$acl_user" || exit 1
-assert_entry "$acl_user (U,W)"
-$TMUX server-access -d "$acl_user" || exit 1
-assert_no_entry "$acl_user (U,W)"
-expect_fail "removing absent user" server-access -d "$acl_user"
-
-# -r and -w imply -a when an entry is absent.
-$TMUX server-access -r "$acl_user" || exit 1
-assert_entry "$acl_user (U,R)"
-$TMUX server-access -d "$acl_user" || exit 1
-
-# The same lifecycle for a group exercises the separate ACL key space.
-$TMUX server-access -g -a -r "$acl_group" || exit 1
-assert_entry "$acl_group (G,R)"
-$TMUX server-access -g -w "$acl_group" || exit 1
-assert_entry "$acl_group (G,W)"
-expect_fail "duplicate group addition" server-access -g -a "$acl_group"
-$TMUX server-access -g -d "$acl_group" || exit 1
-assert_no_entry "$acl_group (G,W)"
-expect_fail "removing absent group" server-access -g -d "$acl_group"
-
-# Parser and lookup errors, plus the immutable owner/root entries.
-expect_fail "missing ACL subject" server-access -a
-expect_fail "unknown user" server-access -a "tmux-no-user-$$"
-expect_fail "unknown group" server-access -g -a "tmux-no-group-$$"
-expect_fail "conflicting add/delete" server-access -a -d "$acl_user"
-expect_fail "conflicting read/write" server-access -r -w "$acl_user"
-expect_fail "changing server owner" server-access -r "$owner_name"
-if [ "$owner_name" != root ]; then
-	expect_fail "changing root access" server-access -a root
-fi
-
-$TMUX has-session -t access || fail "server exited during ACL updates"
-exit 0

regress/switch-mode.sh

@@ -1,203 +0,0 @@
-#!/bin/sh
-
-# Exercise switch-mode's session and window lists with a real attached client:
-# fuzzy filtering, movement and selection, the default and custom commands,
-# no-match cancellation, resize, zoom restoration, and -k mode teardown.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-DIR=$(mktemp -d) || exit 1
-TMUX_TMPDIR=$DIR
-export TMUX_TMPDIR
-INNER="$TEST_TMUX -LtestI$$ -f/dev/null"
-OUTER="$TEST_TMUX -LtestO$$ -f/dev/null"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$OUTER kill-server 2>/dev/null
-	$INNER kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-capture()
-{
-	$OUTER capture-pane -p -t outer:0.0 2>/dev/null
-}
-
-wait_capture()
-{
-	marker=$1
-	i=0
-	while [ "$i" -lt 50 ]; do
-		captured=$(capture)
-		printf '%s\n' "$captured" | grep -Fq "$marker" && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "timed out waiting for '$marker'"
-}
-
-wait_count()
-{
-	marker=$1
-	want=$2
-	i=0
-	while [ "$i" -lt 50 ]; do
-		captured=$(capture)
-		count=$(printf '%s\n' "$captured" | grep -Fc "$marker")
-		[ "$count" -eq "$want" ] && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "found $count '$marker' rows, expected $want"
-}
-
-wait_format()
-{
-	target=$1
-	format=$2
-	want=$3
-	i=0
-	while [ "$i" -lt 50 ]; do
-		got=$($INNER display-message -p -t "$target" "$format" \
-		    2>/dev/null)
-		[ "$got" = "$want" ] && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "$target format $format is '$got', expected '$want'"
-}
-
-wait_client_session()
-{
-	want=$1
-	i=0
-	while [ "$i" -lt 50 ]; do
-		got=$($INNER list-clients -F '#{client_session}' 2>/dev/null)
-		[ "$got" = "$want" ] && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "client session is '$got', expected '$want'"
-}
-
-# Three alphabetically ordered sessions. alpha:main has two panes so -Z can be
-# observed; the two pick-* windows make a deterministic two-row window filter.
-$INNER new-session -d -s alpha -n main -x60 -y15 'exec sleep 100' || exit 1
-$INNER split-window -d -h -t alpha:main 'exec sleep 100' || exit 1
-$INNER new-window -d -t alpha: -n pick-one 'exec sleep 100' || exit 1
-$INNER new-session -d -s bravo -n pick-two -x60 -y15 \
-	'exec sleep 100' || exit 1
-$INNER new-session -d -s charlie -n last -x60 -y15 \
-	'exec sleep 100' || exit 1
-$INNER set-option -g status off || exit 1
-$INNER set-option -g window-size manual || exit 1
-$INNER select-window -t alpha:main || exit 1
-
-$OUTER new-session -d -s outer -x60 -y15 "$INNER attach -t alpha" || exit 1
-$OUTER set-option -g status off || exit 1
-$OUTER set-option -g window-size manual || exit 1
-wait_client_session alpha
-
-# Session rows are sorted alpha, bravo, charlie. Up from the first row wraps to
-# charlie; Enter runs a custom command with the selected session target.
-$INNER set-option -g @picked '' || exit 1
-$INNER switch-mode -s -t alpha:main.0 -F 'SESSION #{session_name}' \
-	"set-option -g @picked '%%'" || exit 1
-wait_count 'SESSION ' 3
-$INNER send-keys -t alpha:main.0 Up Enter || exit 1
-wait_format alpha:main.0 '#{@picked}' '=charlie:'
-wait_format alpha:main.0 '#{pane_in_mode}' 0
-
-# Fuzzy filtering keeps only bravo for "brv". The default command switches the
-# real client to that session and closes the mode.
-$INNER switch-mode -s -t alpha:main.0 -F 'SESSION #{session_name}' || exit 1
-wait_count 'SESSION ' 3
-$INNER send-keys -t alpha:main.0 -l brv || exit 1
-wait_count 'SESSION ' 1
-printf '%s\n' "$captured" | grep -Fq 'SESSION bravo' ||
-	fail "fuzzy session filter did not select bravo"
-$INNER send-keys -t alpha:main.0 Enter || exit 1
-wait_client_session bravo
-client=$($INNER list-clients -F '#{client_name}')
-$INNER switch-client -c "$client" -t alpha || exit 1
-wait_client_session alpha
-
-# Window mode sees pick-one then pick-two for the "pick" filter. Down selects
-# the second row, and the custom command receives its window target.
-$INNER set-option -g @picked '' || exit 1
-$INNER switch-mode -w -t alpha:main.0 -F \
-	'WINDOW #{session_name}:#{window_name}' \
-	"set-option -g @picked '%%'" || exit 1
-wait_capture 'WINDOW '
-$INNER send-keys -t alpha:main.0 -l pick || exit 1
-wait_count 'WINDOW ' 2
-$INNER send-keys -t alpha:main.0 Down Enter || exit 1
-picked=$($INNER show-option -gv @picked)
-case "$picked" in
-=bravo:0.) ;;
-*) fail "window selection produced '$picked', expected '=bravo:0.'" ;;
-esac
-
-# Navigation with an empty result set must be harmless, and Escape cancels
-# without running the custom command.
-$INNER set-option -g @picked unchanged || exit 1
-$INNER switch-mode -s -t alpha:main.0 -F 'NONE #{session_name}' \
-	"set-option -g @picked '%%'" || exit 1
-wait_capture 'NONE '
-$INNER send-keys -t alpha:main.0 -l no-such-session || exit 1
-wait_count 'NONE ' 0
-$INNER send-keys -t alpha:main.0 Up Down PPage NPage Home End || exit 1
-wait_format alpha:main.0 '#{pane_mode}' switch-mode
-$INNER send-keys -t alpha:main.0 Escape || exit 1
-wait_format alpha:main.0 '#{pane_in_mode}' 0
-[ "$($INNER show-option -gv @picked)" = unchanged ] ||
-	fail "cancelled switch-mode ran its command"
-
-# -Z temporarily zooms an unzoomed window. Resizing while the mode is open
-# rebuilds and redraws it; exiting restores the original unzoomed state.
-$INNER switch-mode -Zs -t alpha:main.0 -F 'RESIZE #{session_name}' || exit 1
-wait_capture 'RESIZE alpha'
-wait_format alpha:main.0 '#{window_zoomed_flag}' 1
-$INNER resize-window -t alpha:main -x50 -y12 || exit 1
-wait_format alpha:main.0 '#{window_width}x#{window_height}' 50x12
-wait_format alpha:main.0 '#{pane_mode}' switch-mode
-$INNER send-keys -t alpha:main.0 Escape || exit 1
-wait_format alpha:main.0 '#{window_zoomed_flag}' 0
-
-# If the window was already zoomed, leaving -Z mode must keep it zoomed.
-$INNER resize-pane -Z -t alpha:main.0 || exit 1
-$INNER switch-mode -Zs -t alpha:main.0 -F 'ZOOMED #{session_name}' || exit 1
-wait_capture 'ZOOMED alpha'
-$INNER send-keys -t alpha:main.0 Escape || exit 1
-wait_format alpha:main.0 '#{window_zoomed_flag}' 1
-$INNER resize-pane -Z -t alpha:main.0 || exit 1
-
-# -k uses the shared mode teardown flag. Put it on a disposable pane and make
-# sure exiting the mode removes that pane.
-kill_pane=$($INNER split-window -d -P -F '#{pane_id}' -t alpha:main \
-	'exec sleep 100') || exit 1
-$INNER switch-mode -ks -t "$kill_pane" -F 'KILL #{session_name}' || exit 1
-wait_format "$kill_pane" '#{pane_mode}' switch-mode
-$INNER send-keys -t "$kill_pane" Escape || exit 1
-i=0
-while [ "$i" -lt 50 ]; do
-	$INNER list-panes -s -t alpha -F '#{pane_id}' 2>/dev/null | \
-	    grep -q -x "$kill_pane" || break
-	sleep 0.1
-	i=$((i + 1))
-done
-[ "$i" -lt 50 ] || fail "switch-mode -k did not kill its pane"
-
-exit 0

regress/sync-output-cursor.sh

@@ -1,160 +0,0 @@
-#!/bin/sh
-
-# A synchronized update elsewhere in the pane must not hide a stationary
-# cursor while tmux waits for the end of the update.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-
-if [ "$#" -eq 0 ]; then
-	TEST_TMUX="$TEST_TMUX" sh "$0" pane || exit 1
-	TEST_TMUX="$TEST_TMUX" sh "$0" prompt || exit 1
-	exit 0
-fi
-case $1 in
-pane|prompt) MODE=$1 ;;
-*) echo "usage: $0 [pane|prompt]" >&2; exit 1 ;;
-esac
-
-DIR=$(mktemp -d) || exit 1
-TMUX_TMPDIR=$DIR
-export TMUX_TMPDIR
-
-INNER="$TEST_TMUX -Li$$ -f/dev/null"
-OUTER="$TEST_TMUX -Lo$$ -f/dev/null"
-CLIENT_BYTES=$DIR/client-bytes
-CONTROL=$DIR/control
-EMITTER=$DIR/emitter.pl
-ASSERT=$DIR/assert-cursor.pl
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$OUTER kill-server 2>/dev/null
-	$INNER kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0 1 15
-
-wait_for_client()
-{
-	i=0
-	while [ "$i" -lt 50 ]; do
-		$INNER list-clients -F '#{client_termfeatures}' 2>/dev/null |
-		    grep -q 'sync' && return 0
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "sync-capable client did not attach"
-}
-
-cat >"$EMITTER" <<'PERL'
-use strict;
-use warnings;
-
-my $control = $ENV{CONTROL};
-(my $dir = $control) =~ s{/[^/]+$}{};
-
-# Draw a prompt and leave its cursor stationary on the last line.
-syswrite STDOUT, "\e[2J\e[HWorking .\e[24;1H> ";
-open my $ready, '>', "$dir/ready" or die "$dir/ready: $!\n";
-close $ready;
-while (!-e $control) {
-	select undef, undef, undef, 0.01;
-}
-
-# Deliberately split BSU, content, and ESU across pane reads. This mirrors an
-# animation producer which begins a frame before it has finished rendering it.
-for my $spinner (qw(| / - \\)) {
-	syswrite STDOUT, "\e[?2026h";
-	select undef, undef, undef, 0.05;
-	syswrite STDOUT, "\e[1;9H$spinner\e[24;3H";
-	select undef, undef, undef, 0.01;
-	syswrite STDOUT, "\e[?2026l";
-	select undef, undef, undef, 0.15;
-}
-select undef, undef, undef, 5;
-PERL
-
-cat >"$ASSERT" <<'PERL'
-use strict;
-use warnings;
-
-my $path = shift;
-open my $fh, '<:raw', $path or die "$path: $!\n";
-local $/;
-my $bytes = <$fh>;
-my ($bsu, $esu, $hide, $show) =
-    ("\e[?2026h", "\e[?2026l", "\e[?25l", "\e[?25h");
-my ($sync, $outside, $hides, $shows) = (0, 0, 0, 0);
-
-for (my $i = 0; $i < length($bytes);) {
-	if (substr($bytes, $i, length($bsu)) eq $bsu) {
-		$sync++;
-		$i += length($bsu);
-		next;
-	}
-	if (substr($bytes, $i, length($esu)) eq $esu) {
-		$sync-- if $sync;
-		$i += length($esu);
-		next;
-	}
-	if (substr($bytes, $i, length($hide)) eq $hide) {
-		$hides++;
-		$outside++ unless $sync;
-		$i += length($hide);
-		next;
-	}
-	if (substr($bytes, $i, length($show)) eq $show) {
-		$shows++;
-		$outside++ unless $sync;
-		$i += length($show);
-		next;
-	}
-	$i++;
-}
-
-printf "%s cursor hides: %d; cursor shows: %d; changes outside sync: %d\n",
-    $ENV{MODE}, $hides, $shows, $outside;
-die "stationary cursor changed outside synchronized output\n" if $outside;
-PERL
-
-$INNER new-session -d -s inner -x 80 -y 24 \
-    "CONTROL='$CONTROL' perl '$EMITTER'" || exit 1
-$INNER set-option -g status off || exit 1
-$INNER set-option -g window-size manual || exit 1
-$INNER set-option -as terminal-features '*:sync' || exit 1
-
-$OUTER new-session -d -s outer -x 80 -y 24 \
-    "$TEST_TMUX -Li$$ -f/dev/null attach-session -t inner" || exit 1
-$OUTER set-option -g status off || exit 1
-$OUTER set-option -g window-size manual || exit 1
-wait_for_client
-
-if [ "$MODE" = prompt ]; then
-	$OUTER send-keys -t outer:0.0 C-b : || exit 1
-	sleep 0.2
-fi
-
-i=0
-while [ "$i" -lt 50 ] && [ ! -e "$DIR/ready" ]; do
-	sleep 0.1
-	i=$((i + 1))
-done
-[ -e "$DIR/ready" ] || fail "application emitter did not become ready"
-
-$OUTER pipe-pane -O -t outer:0.0 "cat >'$CLIENT_BYTES'" || exit 1
-: >"$CONTROL"
-sleep 2
-$OUTER pipe-pane -t outer:0.0 || exit 1
-
-MODE=$MODE perl "$ASSERT" "$CLIENT_BYTES"

regress/terminal-feature-utf8.sh

@@ -1,58 +0,0 @@
-#!/bin/sh
-
-# The utf8 terminal feature must mark an attached client as UTF-8 even when
-# neither its environment nor -u does so. It must also be reported by the
-# client terminal-feature format lookup.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-export PATH TERM LC_ALL
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-INNER="$TEST_TMUX -LtestI$$ -f/dev/null"
-OUTER="$TEST_TMUX -LtestO$$ -f/dev/null"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$OUTER kill-server 2>/dev/null
-	$INNER kill-server 2>/dev/null
-}
-trap cleanup 0 1 15
-
-cleanup
-$INNER new-session -d -s inner -x40 -y10 'exec sleep 100' || exit 1
-$INNER set-option -g status off || exit 1
-
-# A clean C-locale environment avoids the ordinary UTF-8 detection paths.
-# -T utf8 is therefore solely responsible for setting client_utf8.
-client_command="env -i PATH=/bin:/usr/bin TERM=screen LC_ALL=C $TEST_TMUX -T utf8 -LtestI$$ -f/dev/null attach-session -t inner"
-$OUTER new-session -d -s outer -x40 -y10 "$client_command" || exit 1
-$OUTER set-option -g status off || exit 1
-
-i=0
-while [ "$i" -lt 50 ]; do
-	client=$($INNER list-clients -F '#{client_name}' 2>/dev/null)
-	utf8=$($INNER list-clients -F '#{client_utf8}' 2>/dev/null)
-	[ -n "$client" ] && [ "$utf8" = 1 ] && break
-	sleep 0.1
-	i=$((i + 1))
-done
-[ "$i" -lt 50 ] || fail "utf8 terminal feature did not set client_utf8"
-
-features=$($INNER list-clients -F '#{client_termfeatures}')
-case ",$features," in
-*,utf8,*) ;;
-*) fail "utf8 is missing from client_termfeatures: $features" ;;
-esac
-
-present=$($INNER display-message -c "$client" -p '#{I/f:utf8}')
-[ "$present" = 1 ] || fail "utf8 terminal feature lookup returned '$present'"
-
-exit 0

regress/window-ops.sh

@@ -8,7 +8,7 @@
 # This exercises:
 # - new-window placement: next free index, explicit index, index in use with
 #   and without -k, -a (after) and -b (before) insertion with shuffling, and
-#   -S selecting an existing window by name or target instead of creating;
+#   -S selecting an existing window by name instead of creating;
 # - move-window to a free index, to an occupied index with and without -k,
 #   -a insertion and -r renumbering (including base-index);
 # - renumber-windows closing gaps;
@@ -140,36 +140,6 @@ check_ok new-window -S -t W: -n w3
 check_windows W '0:wB 1:w0 2:w1 3:wA 4:w2 5:w3 9:w9k'
 check_fmt 'W:' '#{window_index}:#{window_name}' '5:w3'
 
-# -S with a target-window that already exists selects it directly, ignoring
-# -n (with -d it does not switch).
-check_ok select-window -t W:0
-check_ok new-window -S -t W:9 -n ignored
-check_windows W '0:wB 1:w0 2:w1 3:wA 4:w2 5:w3 9:w9k'
-check_fmt 'W:' '#{window_index}:#{window_name}' '9:w9k'
-check_ok select-window -t W:0
-check_ok new-window -S -d -t W:9 -n ignored
-check_windows W '0:wB 1:w0 2:w1 3:wA 4:w2 5:w3 9:w9k'
-check_fmt 'W:' '#{window_index}:#{window_name}' '0:wB'
-
-# -S with a target-window that does not yet exist still creates it normally.
-check_ok new-window -S -t W:20 -n w20
-check_windows W '0:wB 1:w0 2:w1 3:wA 4:w2 5:w3 9:w9k 20:w20'
-check_fmt 'W:' '#{window_index}:#{window_name}' '20:w20'
-check_ok kill-window -t W:20
-
-# -S also works with a relative target-window (+N): selects the window at
-# that offset if it exists, or creates it there if not.
-check_ok select-window -t W:0
-check_ok new-window -S -t W:+1
-check_fmt 'W:' '#{window_index}:#{window_name}' '1:w0'
-check_windows W '0:wB 1:w0 2:w1 3:wA 4:w2 5:w3 9:w9k'
-
-check_ok select-window -t W:0
-check_ok new-window -S -t W:+6 -n rel6
-check_fmt 'W:' '#{window_index}:#{window_name}' '6:rel6'
-check_windows W '0:wB 1:w0 2:w1 3:wA 4:w2 5:w3 6:rel6 9:w9k'
-check_ok kill-window -t W:6
-
 # Clean up to a known arrangement.
 check_ok kill-window -t W:wB
 check_ok kill-window -t W:wA

resize.c

@@ -348,10 +348,10 @@ recalculate_size_skip_client(struct client *loop, __unused int type,
 	 * is not the current window - this is used for aggressive-resize.
 	 * Otherwise skip any session that doesn't contain the window.
 	 */
-	if (loop->session->curw == NULL)
+	if (active_get_effective_window(loop, loop->session) == NULL)
 		return (1);
 	if (current)
-		return (loop->session->curw->window != w);
+		return (active_get_effective_window(loop, loop->session) != w);
 	return (session_has(loop->session, w) == 0);
 }
 

screen-redraw.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: screen-redraw.c,v 1.158 2026/09/01 19:50:58 nicm Exp $ */
+/* $OpenBSD: screen-redraw.c,v 1.157 2026/07/24 08:49:23 nicm Exp $ */
 
 /*
  * Copyright (c) 2026 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -295,7 +295,7 @@ static void
 redraw_set_context(struct client *c, struct redraw_build_ctx *bctx)
 {
 	struct session	*s = c->session;
-	struct window	*w = s->curw->window;
+	struct window	*w = active_get_effective_window(c, s);
 
 	memset(bctx, 0, sizeof *bctx);
 	bctx->c = c;
@@ -969,7 +969,7 @@ static struct redraw_scene *
 redraw_make_scene(struct client *c)
 {
 	struct session			*s = c->session;
-	struct window			*w = s->curw->window;
+	struct window			*w = active_get_effective_window(c, s);
 	struct redraw_build_ctx		 bctx;
 	struct redraw_scene		*scene;
 	struct redraw_build_cell	*bc, *last;
@@ -1079,7 +1079,7 @@ static struct redraw_scene *
 redraw_get_scene(struct client *c)
 {
 	struct redraw_scene	*scene = c->redraw_scene;
-	struct window		*w = c->session->curw->window;
+	struct window		*w = active_get_effective_window(c, c->session);
 	const char		*reason = NULL;
 	u_int			 ox, oy, sx, sy;
 
@@ -1117,7 +1117,7 @@ redraw_draw_pane_span(struct redraw_draw_ctx *dctx,
 	struct tty_style_ctx	 style_ctx;
 	u_int			 px, py;
 
-	tty_default_colours(&defaults, wp, &style_ctx.dim);
+	tty_default_colours(&defaults, wp, dctx->active, &style_ctx.dim);
 	style_ctx.defaults = &defaults;
 	style_ctx.palette = &wp->palette;
 	style_ctx.hyperlinks = s->hyperlinks;
@@ -1140,7 +1140,7 @@ redraw_get_default_border_style(struct redraw_draw_ctx *dctx,
 	struct grid_cell	*dgc = &dctx->default_gc;
 
 	if (~dctx->flags & REDRAW_DEFAULT_SET) {
-		ft = format_create_defaults(NULL, c, s, s->curw, NULL);
+		ft = format_create_defaults(NULL, c, s, NULL, NULL);
 		memcpy(dgc, &grid_default_cell, sizeof *dgc);
 		style_add(dgc, oo, "pane-border-style", ft);
 		format_free(ft);
@@ -1334,7 +1334,7 @@ redraw_draw_scrollbar_span(struct redraw_draw_ctx *dctx,
 	memcpy(&slgc, &gc, sizeof slgc);
 	slgc.fg = gc.bg;
 	slgc.bg = gc.fg;
-	tty_default_colours(&pad_gc, wp, NULL);
+	tty_default_colours(&pad_gc, wp, dctx->active, NULL);
 
 	sb_w = sb_style->width;
 	sb_pad = sb_style->pad;
@@ -1603,14 +1603,16 @@ redraw_set_draw_context(struct redraw_draw_ctx *dctx,
 	struct session	*s = c->session;
 	struct options	*oo = s->options;
 	struct tty	*tty = &c->tty;
+	struct winlink	*wl;
 	u_int		 lines;
 
 	memset(dctx, 0, sizeof *dctx);
 	dctx->scene = scene;
 
-	if (server_is_marked(s, s->curw, marked_pane.wp))
+	wl = active_get_effective_winlink(c, s);
+	if (server_is_marked(s, wl, marked_pane.wp))
 		dctx->marked = marked_pane.wp;
-	dctx->active = s->curw->window->active;
+	dctx->active = active_get_effective_pane(c, wl->window);
 
 	lines = status_line_size(c);
 	if (options_get_number(oo, "status-position") == 0)
@@ -1683,7 +1685,7 @@ redraw_draw(struct client *c, struct window_pane *wp, int flags)
 {
 	struct redraw_draw_ctx	 dctx;
 	struct session		*s = c->session;
-	struct window		*w = s->curw->window;
+	struct window		*w = active_get_effective_window(c, s);
 	struct tty		*tty = &c->tty;
 	struct screen		*sl;
 	struct redraw_scene	*scene;
@@ -1738,7 +1740,8 @@ redraw_draw(struct client *c, struct window_pane *wp, int flags)
 			else
 				loop->flags &= ~PANE_NEWSTATUS;
 
-			width = redraw_pane_status_width(&dctx, loop, &first);
+			width = redraw_pane_status_width(&dctx, loop,
+			    &first);
 			if (width == 0)
 				continue;
 
@@ -1769,7 +1772,7 @@ redraw_draw(struct client *c, struct window_pane *wp, int flags)
 			}
 		}
 	}
-	tty_sync_start(tty); /* end in server_client_reset_state */
+	tty_sync_start(tty);
 	tty_update_mode(tty, tty->mode & ~CURSOR_MODES, NULL);
 
 	if (wp != NULL)
@@ -1814,6 +1817,7 @@ redraw_draw(struct client *c, struct window_pane *wp, int flags)
 		c->overlay_draw(c, c->overlay_data);
 
 	tty_reset(tty);
+	tty_sync_end(tty);
 
 #ifdef ENABLE_SIXEL
 	if (wp != NULL)
@@ -1881,7 +1885,7 @@ redraw_screen(struct client *c)
 			flags |= REDRAW_OVERLAY;
 		if (c->flags & CLIENT_REDRAWMENU)
 			flags |= REDRAW_MENU;
-		if (c->session->curw->window->menu != NULL)
+		if (active_get_effective_window(c, c->session)->menu != NULL)
 			flags |= REDRAW_MENU;
 		if (flags != 0)
 			redraw_draw(c, NULL, flags);
@@ -1893,7 +1897,7 @@ void
 redraw_pane(struct client *c, struct window_pane *wp)
 {
 	redraw_draw(c, wp, REDRAW_PANE|REDRAW_PANE_SCROLLBAR);
-	if (c->session->curw->window->menu != NULL)
+	if (active_get_effective_window(c, c->session)->menu != NULL)
 		redraw_draw(c, NULL, REDRAW_MENU);
 }
 

screen-write.c

@@ -134,7 +134,7 @@ screen_write_redraw_cb(const struct tty_ctx *ttyctx)
 static int
 screen_write_set_client_cb(struct tty_ctx *ttyctx, struct client *c)
 {
-	struct window_pane	*wp = ttyctx->arg;
+	struct window_pane	*wp = ttyctx->arg, *active;
 
 	if (ttyctx->flags & TTY_CTX_INVISIBLE_PANES) {
 		if (session_has(c->session, wp->window))
@@ -142,7 +142,7 @@ screen_write_set_client_cb(struct tty_ctx *ttyctx, struct client *c)
 		return (0);
 	}
 
-	if (c->session->curw->window != wp->window)
+	if (active_get_effective_window(c, c->session) != wp->window)
 		return (0);
 	if (wp->layout_cell == NULL)
 		return (0);
@@ -160,11 +160,14 @@ screen_write_set_client_cb(struct tty_ctx *ttyctx, struct client *c)
 		return (-1);
 	}
 
+	active = active_get_effective_pane(c, wp->window);
 	if (tty_window_offset(&c->tty, &ttyctx->wox, &ttyctx->woy, &ttyctx->wsx,
 	    &ttyctx->wsy))
 		ttyctx->flags |= TTY_CTX_WINDOW_BIGGER;
 	else
 		ttyctx->flags &= ~TTY_CTX_WINDOW_BIGGER;
+	tty_default_colours(&ttyctx->defaults, wp, active,
+	    &ttyctx->style_ctx.dim);
 
 	ttyctx->xoff = ttyctx->rxoff = wp->xoff;
 	ttyctx->yoff = ttyctx->ryoff = wp->yoff;
@@ -296,7 +299,7 @@ screen_write_initctx(struct screen_write_ctx *ctx, struct tty_ctx *ttyctx,
 		ttyctx->redraw_cb = screen_write_redraw_cb;
 		if (ctx->wp != NULL) {
 			tty_default_colours(&ttyctx->defaults, ctx->wp,
-			    &ttyctx->style_ctx.dim);
+			    ctx->wp->window->active, &ttyctx->style_ctx.dim);
 			ttyctx->style_ctx.palette = &ctx->wp->palette;
 			ttyctx->set_client_cb = screen_write_set_client_cb;
 			ttyctx->arg = ctx->wp;

server-client.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: server-client.c,v 1.510 2026/09/01 19:50:58 nicm Exp $ */
+/* $OpenBSD: server-client.c,v 1.509 2026/08/28 07:36:01 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -107,7 +107,7 @@ server_client_set_overlay(struct client *c, u_int delay,
 		c->tty.flags |= TTY_FREEZE;
 	if (c->overlay_mode == NULL)
 		c->tty.flags |= TTY_NOCURSOR;
-	window_update_focus(c->session->curw->window);
+	window_update_focus(active_get_effective_window(c, c->session));
 	server_redraw_client(c);
 }
 
@@ -134,7 +134,7 @@ server_client_clear_overlay(struct client *c)
 
 	c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
 	if (c->session != NULL)
-		window_update_focus(c->session->curw->window);
+		window_update_focus(active_get_effective_window(c, c->session));
 	server_redraw_client(c);
 }
 
@@ -379,7 +379,8 @@ server_client_attached_lost(struct client *c)
 		found = NULL;
 		TAILQ_FOREACH(loop, &clients, entry) {
 			s = loop->session;
-			if (loop == c || s == NULL || s->curw->window != w)
+			if (loop == c || s == NULL ||
+			    active_get_effective_window(loop, s) != w)
 				continue;
 			if (found == NULL || timercmp(&loop->activity_time,
 			    &found->activity_time, >))
@@ -460,15 +461,15 @@ server_client_set_session(struct client *c, struct session *s)
 	c->flags |= CLIENT_FOCUSED;
 
 	if (old != NULL && old->curw != NULL)
-		window_update_focus(old->curw->window);
+		window_update_focus(active_get_effective_window(c, old));
 	if (s != NULL) {
-		s->curw->window->latest = c;
+		active_get_effective_window(c, s)->latest = c;
 		recalculate_sizes();
-		window_update_focus(s->curw->window);
+		window_update_focus(active_get_effective_window(c, s));
 		session_update_activity(s, NULL);
 		session_theme_changed(s);
 		gettimeofday(&s->last_attached_time, NULL);
-		s->curw->flags &= ~WINLINK_ALERTFLAGS;
+		active_get_effective_winlink(c, s)->flags &= ~WINLINK_ALERTFLAGS;
 		alerts_check_session(s);
 		tty_update_client_offset(c);
 		status_timer_start(c);
@@ -493,6 +494,7 @@ server_client_lost(struct client *c)
 	server_client_clear_overlay(c);
 	status_prompt_clear(c);
 	status_message_clear(c);
+	active_remove_client(c);
 
 	RB_FOREACH_SAFE(cf, client_files, &c->files, cf1) {
 		cf->error = EINTR;
@@ -506,6 +508,7 @@ server_client_lost(struct client *c)
 		server_client_attached_lost(c);
 		events_fire_client("client-detached", c);
 	}
+	active_check_clients();
 	if (c->name != NULL && (c->flags & (CLIENT_CONTROL|CLIENT_TERMINAL)))
 		events_fire_client("client-closed", c);
 
@@ -684,7 +687,7 @@ server_client_in_scrollbar_area(struct window_pane *wp, int px, int py)
 static void
 server_client_update_scrollbar_hover(struct client *c, int type, int px, int py)
 {
-	struct window		*w = c->session->curw->window;
+	struct window		*w = active_get_effective_window(c, c->session);
 	struct window_pane	*wp;
 
 	if (type != KEYC_TYPE_MOUSEMOVE)
@@ -856,7 +859,7 @@ server_client_check_mouse(struct client *c, struct key_event *event)
 {
 	struct mouse_event		*m = &event->m;
 	struct session			*s = c->session, *fs;
-	struct window			*w = s->curw->window;
+	struct window			*w = active_get_effective_window(c, s);
 	struct winlink			*fwl;
 	struct window_pane		*wp, *fwp, *lwp = NULL;
 	u_int				 x, y, sx, sy, px, py, n, sl_mpos = 0;
@@ -1359,7 +1362,7 @@ server_client_update_latest(struct client *c)
 
 	if (c->session == NULL)
 		return;
-	w = c->session->curw->window;
+	w = active_get_effective_window(c, c->session);
 
 	if (w->latest == c)
 		return;
@@ -1438,7 +1441,7 @@ server_client_key_callback(struct cmdq_item *item, void *data)
 	/* Check the client is good to accept input. */
 	if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
 		goto out;
-	wl = s->curw;
+	wl = active_get_effective_winlink(c, s);
 
 	/* Update the activity timer. */
 	memcpy(&c->last_activity_time, &c->activity_time,
@@ -1697,7 +1700,7 @@ out:
 static int
 server_client_handle_menu_key(struct client *c, struct key_event *event)
 {
-	struct window		*w = c->session->curw->window;
+	struct window		*w = active_get_effective_window(c, c->session);
 	struct key_event	 new_event;
 	struct mouse_event	*m;
 	u_int			 ox, oy, sx, sy;
@@ -1736,6 +1739,7 @@ server_client_handle_key0(struct client *c, struct key_event *event,
 {
 	struct session		*s = c->session;
 	struct cmdq_item	*item;
+	struct window		*w;
 	struct window_pane	*wp;
 
 	/* Check the client is good to accept input. */
@@ -1806,9 +1810,10 @@ server_client_handle_key0(struct client *c, struct key_event *event,
 			}
 		}
 
-		wp = s->curw->window->active;
+		w = active_get_effective_window(c, s);
+		wp = w->active;
 		if (wp == NULL || !window_pane_has_prompt(wp)) {
-			TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
+			TAILQ_FOREACH(wp, &w->panes, entry) {
 				if (window_pane_has_prompt(wp) &&
 				    window_pane_is_visible(wp))
 					break;
@@ -2150,8 +2155,8 @@ static void
 server_client_reset_state(struct client *c)
 {
 	struct tty		*tty = &c->tty;
-	struct window		*w = c->session->curw->window;
-	struct window_pane	*wp = w->active, *loop;
+	struct window		*w = active_get_effective_window(c, c->session);
+	struct window_pane	*wp, *loop;
 	struct screen		*s = NULL;
 	struct options		*oo = c->session->options;
 	int			 mode = 0, cursor, flags, pane_mode = 0;
@@ -2159,6 +2164,7 @@ server_client_reset_state(struct client *c)
 	u_int			 sb_w;
 	struct visible_ranges	*r;
 
+	wp = active_get_effective_pane(c, w);
 	if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
 		return;
 
@@ -2244,7 +2250,7 @@ server_client_reset_state(struct client *c)
 					cy += status_line_size(c);
 			}
 
-			if (!cursor)
+			if ((pane_mode & MODE_SYNC) || !cursor)
 				mode &= ~MODE_CURSOR;
 		}
 	} else if (c->overlay_mode == NULL || s == NULL)
@@ -2252,10 +2258,6 @@ server_client_reset_state(struct client *c)
 	if (~pane_mode & MODE_SYNC) {
 		log_debug("%s: cursor to %u,%u", __func__, cx, cy);
 		tty_cursor(tty, cx, cy);
-	} else {
-		mode &= ~CURSOR_MODES;
-		mode |= tty->mode & CURSOR_MODES;
-		s = NULL;
 	}
 
 	/*
@@ -2434,7 +2436,7 @@ server_client_redraw_timer(__unused int fd, __unused short events,
 static void
 server_client_check_modes(struct client *c)
 {
-	struct window			*w = c->session->curw->window;
+	struct window			*w;
 	struct window_pane		*wp;
 	struct window_mode_entry	*wme;
 
@@ -2442,6 +2444,7 @@ server_client_check_modes(struct client *c)
 		return;
 	if (~c->flags & CLIENT_REDRAWSTATUS)
 		return;
+	w = active_get_effective_window(c, c->session);
 	TAILQ_FOREACH(wp, &w->panes, entry) {
 		wme = TAILQ_FIRST(&wp->modes);
 		if (wme != NULL && wme->mode->update != NULL)
@@ -2454,7 +2457,7 @@ static int
 server_client_any_pane_redraw(struct client *c)
 {
 	struct session		*s = c->session;
-	struct window		*w = s->curw->window;
+	struct window		*w = active_get_effective_window(c, s);
 	struct window_pane	*wp;
 
 	if (c->flags & CLIENT_REDRAWWINDOW)
@@ -2472,7 +2475,7 @@ server_client_check_redraw(struct client *c)
 {
 	struct session		*s = c->session;
 	struct tty		*tty = &c->tty;
-	struct window		*w = s->curw->window;
+	struct window		*w = active_get_effective_window(c, s);
 	struct window_pane	*wp;
 	int			 needed, tflags, mode = tty->mode;
 	struct timeval		 tv = { .tv_usec = 1000 };
@@ -2611,14 +2614,15 @@ static void
 server_client_set_path(struct client *c)
 {
 	struct session	*s = c->session;
+	struct window	*w = active_get_effective_window(c, s);
 	const char	*path;
 
-	if (s->curw == NULL || s->curw->window->active == NULL)
+	if (w == NULL || w->active == NULL)
 		return;
-	if (s->curw->window->active->base.path == NULL)
+	if (w->active->base.path == NULL)
 		path = "";
 	else
-		path = s->curw->window->active->base.path;
+		path = w->active->base.path;
 	if (c->path == NULL || strcmp(path, c->path) != 0) {
 		free(c->path);
 		c->path = xstrdup(path);
@@ -2631,11 +2635,12 @@ static void
 server_client_set_progress_bar(struct client *c)
 {
 	struct session		*s = c->session;
+	struct window		*w = active_get_effective_window(c, s);
 	struct progress_bar	*pane_pb;
 
-	if (s->curw == NULL || s->curw->window->active == NULL)
+	if (w == NULL || w->active == NULL)
 		return;
-	pane_pb = &s->curw->window->active->base.progress_bar;
+	pane_pb = &w->active->base.progress_bar;
 	if (pane_pb->state == c->progress_bar.state &&
 	    pane_pb->progress == c->progress_bar.progress)
 		return;
@@ -3172,6 +3177,7 @@ server_client_remove_pane(struct window_pane *wp)
 {
 	struct client			*c;
 
+	active_remove_pane(wp);
 	TAILQ_FOREACH(c, &clients, entry) {
 		if (c->tty.mouse_last_pane == (int)wp->id) {
 			c->tty.mouse_last_pane = -1;
@@ -3187,6 +3193,7 @@ server_client_print(struct client *c, int parse, struct evbuffer *evb)
 {
 	void				*data = EVBUFFER_DATA(evb);
 	size_t				 size = EVBUFFER_LENGTH(evb);
+	struct window			*w;
 	struct window_pane		*wp;
 	struct window_mode_entry	*wme;
 	char				*sanitized, *msg, *line, empty = '\0';
@@ -3225,7 +3232,8 @@ server_client_print(struct client *c, int parse, struct evbuffer *evb)
 		goto out;
 	}
 
-	wp = c->session->curw->window->active;
+	w = active_get_effective_window(c, c->session);
+	wp = active_get_effective_pane(c, w);
 	wme = TAILQ_FIRST(&wp->modes);
 	if (wme == NULL || wme->mode != &window_view_mode)
 		window_pane_set_mode(wp, NULL, &window_view_mode, NULL, NULL,

server-fn.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: server-fn.c,v 1.152 2026/09/03 19:12:36 nicm Exp $ */
+/* $OpenBSD: server-fn.c,v 1.151 2026/08/20 09:19:24 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -122,8 +122,7 @@ server_redraw_window(struct window *w)
 
 	TAILQ_FOREACH(c, &clients, entry) {
 		if (c->session != NULL &&
-		    c->session->curw != NULL &&
-		    c->session->curw->window == w)
+		    active_get_effective_window(c, c->session) == w)
 			server_redraw_client(c);
 	}
 }
@@ -135,8 +134,7 @@ server_redraw_window_menu(struct window *w)
 
 	TAILQ_FOREACH(c, &clients, entry) {
 		if (c->session != NULL &&
-		    c->session->curw != NULL &&
-		    c->session->curw->window == w)
+		    active_get_effective_window(c, c->session) == w)
 			c->flags |= CLIENT_REDRAWMENU;
 	}
 }
@@ -148,8 +146,7 @@ server_redraw_window_borders(struct window *w)
 
 	TAILQ_FOREACH(c, &clients, entry) {
 		if (c->session != NULL &&
-		    c->session->curw != NULL &&
-		    c->session->curw->window == w)
+		    active_get_effective_window(c, c->session) == w)
 			c->flags |= CLIENT_REDRAWBORDERS;
 	}
 }
@@ -379,9 +376,9 @@ server_destroy_pane(struct window_pane *wp, int notify)
 		wp->pipe_fd = -1;
 	}
 
-	if (~wp->flags & PANE_STATUSREADY)
-		return;
 	remain_on_exit = options_get_number(wp->options, "remain-on-exit");
+	if (remain_on_exit != 0 && (~wp->flags & PANE_STATUSREADY))
+		return;
 	switch (remain_on_exit) {
 	case 0:
 		break;

session.c

@@ -203,6 +203,7 @@ session_destroy(struct session *s, int notify, const char *from)
 	if (s->curw == NULL)
 		return;
 	s->curw = NULL;
+	active_remove_session(s);
 
 	RB_REMOVE(sessions, &sessions, s);
 	if (notify)

spawn.c

@@ -701,7 +701,7 @@ spawn_editor_finish(struct window_pane *wp)
 
 struct spawn_editor_state *
 spawn_editor(struct client *c, const char *buf, size_t len,
-    const char *editor, spawn_finish_edit_cb cb, void *arg)
+    spawn_finish_edit_cb cb, void *arg)
 {
 	struct spawn_editor_state	*es;
 	struct spawn_context		 sc = { 0 };
@@ -715,13 +715,13 @@ spawn_editor(struct client *c, const char *buf, size_t len,
 	FILE				*f;
 	char				*cmd, *cause = NULL;
 	char				 path[] = _PATH_TMP "tmux.XXXXXXXX";
+	const char			*editor;
 	int				 fd;
 
 	if (w->modal != NULL)
 		return (NULL);
 
-	if (editor == NULL)
-		editor = options_get_string(global_options, "editor");
+	editor = options_get_string(global_options, "editor");
 	fd = mkstemp(path);
 	if (fd == -1)
 		return (NULL);

tmux.1

@@ -1,4 +1,4 @@
-.\" $OpenBSD: tmux.1,v 1.1164 2026/09/03 21:04:11 nicm Exp $
+.\" $OpenBSD: tmux.1,v 1.1163 2026/09/01 12:49:49 nicm Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 .\"
@@ -14,7 +14,7 @@
 .\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 .\" OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: September 3 2026 $
+.Dd $Mdocdate: September 1 2026 $
 .Dt TMUX 1
 .Os
 .Sh NAME
@@ -2004,25 +2004,6 @@ Same as
 .Ic copy\-pipe
 but also exit copy mode.
 .It Xo
-.Ic copy\-pipe\-output
-.Op Fl aCP
-.Op Ar command
-.Op Ar prefix
-.Xc
-Copy the current OSC 133 command output, pipe it to
-.Ar command ,
-and clear the selection.
-.Ar prefix
-is used to name the new paste buffer.
-.It Xo
-.Ic copy\-output
-.Op Fl aCP
-.Op Ar prefix
-.Xc
-Copy the current OSC 133 command output and clear the selection.
-.Ar prefix
-is used to name the new paste buffer.
-.It Xo
 .Ic copy\-selection
 .Op Fl CP
 .Op Ar prefix
@@ -2188,27 +2169,6 @@ Hide line numbers in copy mode.
 .Xc
 Toggle line numbers in copy mode.
 .It Xo
-.Ic collapse\-output
-.Op Fl a
-.Xc
-Collapse the output for the command on the cursor line.
-With
-.Fl a ,
-collapse all command output in the copy-mode buffer.
-Text before the first OSC 133 prompt is treated as an initial command output
-region.
-.It Xo
-.Ic expand\-output
-.Op Fl a
-.Xc
-Expand the output for the command on the cursor line.
-With
-.Fl a ,
-expand all command output in the copy-mode buffer.
-.Pp
-The Tab key toggles output for the command on the cursor line and S-Tab
-toggles all command output.
-.It Xo
 .Ic middle\-line
 (vi: M)
 (emacs: M\-r)
@@ -2262,32 +2222,6 @@ but treat all non-whitespace characters as part of a word.
 .Xc
 Switch at which end of the selection the cursor sits.
 .It Xo
-.Ic open\-output
-.Op Fl a
-.Op Ar command
-.Xc
-Open the current OSC 133 command output in an editor.
-If
-.Ar command
-is given, it is used as the editor command; otherwise, the
-.Ic editor
-option is used.
-.It Xo
-.Ic open\-selection
-.Op Ar command
-.Xc
-Open the current selection in an editor.
-If
-.Ar command
-is given, it is used as the editor command; otherwise, the
-.Ic editor
-option is used.
-In emacs mode,
-.Ql e ,
-and in vi mode,
-.Ql M\-e ,
-opens the selection if one is present, otherwise the command output.
-.It Xo
 .Ic page\-down
 (vi: C\-f)
 (emacs: PageDown)
@@ -2328,14 +2262,6 @@ Same as
 .Ic pipe
 but also exit copy mode.
 .It Xo
-.Ic pipe\-output
-.Op Fl a
-.Op Ar command
-.Xc
-Pipe the current OSC 133 command output to
-.Ar command
-and clear the selection.
-.It Xo
 .Ic previous\-matching\-bracket
 (emacs: M\-C\-b)
 .Xc
@@ -2530,16 +2456,6 @@ backward becomes forward).
 .Xc
 Select the current line.
 .It Xo
-.Ic select\-output
-.Op Fl a
-.Xc
-Select the current OSC 133 command output.
-If it is collapsed, it is expanded first.
-The default emacs binding is
-.Ql C\-o
-and the default vi binding is
-.Ql M\-o .
-.It Xo
 .Ic select\-word
 .Xc
 Select the current word.
@@ -2578,12 +2494,6 @@ Toggle the visibility of the position indicator in the top right.
 Move to the top line.
 .El
 .Pp
-The output commands use OSC 133 output text from the C marker to the D marker.
-If there is no D marker, the output ends at the end of the copy-mode buffer.
-With
-.Fl a ,
-they use the entire copy-mode buffer instead.
-.Pp
 The search commands come in several varieties:
 .Ql search\-forward
 and
@@ -2629,15 +2539,6 @@ Finding the beginning of command output requires the shell to emit an escape
 sequence (\e033]133;C\e033\e\e) to tell tmux where the output begins.
 If the shell does not send these escape sequences, these commands do nothing.
 .Pp
-The output commands operate on text from an OSC 133
-.Ql C
-marker up to its matching
-.Ql D
-marker, or the current end of the buffer if there is no
-.Ql D
-marker.
-They do nothing if the cursor is not associated with an output range.
-.Pp
 Copy commands may take an optional buffer prefix argument which is used
 to generate the buffer name (the default is
 .Ql buffer
@@ -2700,19 +2601,12 @@ The synopsis for the
 command is:
 .Bl -tag -width Ds
 .It Xo Ic copy\-mode
-.Op Fl UcdekHMqSu
+.Op Fl dekHMqSu
 .Op Fl s Ar src\-pane
 .Op Fl t Ar target\-pane
 .Xc
 Enter copy mode.
 .Pp
-.Fl c
-enters copy mode with OSC 133 command output collapsed.
-.Fl U
-enters copy mode with OSC 133 output controls shown and all output expanded.
-When output is collapsed, the prompt and entered command are shown and text
-from the output start marker to the next primary prompt marker is hidden.
-.Pp
 .Fl u
 enters copy mode and scrolls one page up and
 .Fl d
@@ -2753,60 +2647,6 @@ bind PageDown copy\-mode \-ed
 kills the pane when the mode is exited.
 .El
 .Pp
-The following commands operate on OSC 133 command output. In copy mode, they
-use the output on the cursor line; otherwise, they use the most recent output
-in the target pane. If an output has a C marker but no D marker, it ends at the
-end of the pane buffer. If there is no OSC 133 output, they do nothing unless
-.Fl a
-is given, which uses the entire buffer.
-.Bl -tag -width Ds
-.It Xo Ic select\-output
-.Op Fl a
-.Op Fl t Ar target\-pane
-.Xc
-Enter copy mode if necessary and select the output.
-.It Xo Ic copy\-output
-.Op Fl aCP
-.Op Fl t Ar target\-pane
-.Op Ar prefix
-.Xc
-Copy the output to a paste buffer.
-.It Xo Ic copy\-pipe\-output
-.Op Fl aCP
-.Op Fl t Ar target\-pane
-.Op Ar command
-.Op Ar prefix
-.Xc
-Copy the output to a paste buffer and pipe it to
-.Ar command .
-.It Xo Ic pipe\-output
-.Op Fl a
-.Op Fl t Ar target\-pane
-.Op Ar command
-.Xc
-Pipe the output to
-.Ar command .
-.It Xo Ic open\-output
-.Op Fl a
-.Op Fl t Ar target\-pane
-.Op Ar command
-.Xc
-Open the output in an editor. If
-.Ar command
-is given, it is used as the editor command; otherwise the
-.Ic editor
-option is used.
-.It Xo Ic open\-selection
-.Op Fl t Ar target\-pane
-.Op Ar command
-.Xc
-Open the current copy-mode selection in an editor. If
-.Ar command
-is given, it is used as the editor command; otherwise the
-.Ic editor
-option is used.
-.El
-.Pp
 A number of preset arrangements of panes are available, these are called
 layouts.
 These may be selected with the
@@ -3750,20 +3590,13 @@ represents the window to be created; if the target already exists an error is
 shown, unless the
 .Fl k
 flag is used, in which case it is destroyed.
-.Ar window\-name
-is the name given to the new window, if any.
-.Pp
 If
 .Fl S
-is given, an existing window is selected instead of creating a new one
-(unless
-.Fl d
-is also given in which case the command does nothing):
-.Ar target\-window
-is preferred if it already identifies an existing window; otherwise a
-window named
+is given and a window named
 .Ar window\-name
-is selected if one exists.
+already exists, it is selected (unless
+.Fl d
+is also given in which case the command does nothing).
 .Pp
 .Ar shell\-command
 is the command to execute.
@@ -4160,7 +3993,7 @@ applies the last set layout if possible (undoes the most recent layout change).
 spreads the current pane and any panes next to it out evenly.
 .Tg selectp
 .It Xo Ic select\-pane
-.Op Fl DdeLlMmRUZ
+.Op Fl ADdeLlMmRsSUZ
 .Op Fl T Ar title
 .Op Fl t Ar target\-pane
 .Xc
@@ -4168,6 +4001,8 @@ spreads the current pane and any panes next to it out evenly.
 Make pane
 .Ar target\-pane
 the active pane in its window.
+.Fl A
+raises the pane if it is floating.
 If one of
 .Fl D ,
 .Fl L ,
@@ -4182,6 +4017,15 @@ keeps the window zoomed if it was zoomed.
 is the same as using the
 .Ic last\-pane
 command.
+.Fl s
+switches the client to local pane selection for the target window when more
+than one client is attached; the pane currently active for the client is
+retained.
+Local pane selection is disabled automatically when fewer than two clients
+remain attached.
+.Fl S
+switches the client back to shared pane selection for the target window, so the
+window's active pane is used.
 .Fl e
 enables or
 .Fl d
@@ -4205,12 +4049,22 @@ and
 .Ic swap\-window .
 .Tg selectw
 .It Xo Ic select\-window
-.Op Fl lnpT
+.Op Fl LlnpST
 .Op Fl t Ar target\-window
 .Xc
 .D1 Pq alias: Ic selectw
 Select the window at
 .Ar target\-window .
+.Fl L
+makes the attached client use a local current window for the target session.
+Window navigation from that client then changes only that client's effective
+window and leaves the session current window unchanged.
+.Fl S
+returns the client to the shared session current window.
+Without
+.Fl L ,
+the current window is shared by the session and stored in the session.
+.Pp
 .Fl l ,
 .Fl n
 and
@@ -5958,20 +5812,6 @@ section.
 .It Ic copy\-mode\-position\-format Ar format
 Format of the position indicator in copy mode.
 .Pp
-.It Ic copy\-mode\-exit\-status\-format Ar format
-Format of the OSC 133 exit status indicator in the copy-mode gutter.
-The default displays a theme red
-.Ql !
-for a nonzero status and a space otherwise.
-The gutter grows to fit the expanded format.
-The format is drawn to the left of the collapse control, and its alignment
-applies within that area.
-The format is expanded with
-.Ql exit_status
-and
-.Ql exit_status_present ,
-which is set only when the OSC 133 end-of-output marker includes a status.
-.Pp
 .It Ic copy\-mode\-position\-style Ar style
 Set the style of the position indicator in copy mode.
 For how to specify
@@ -7447,7 +7287,10 @@ shows the four frames in turn, changing every 200 milliseconds.
 The following variables are available, where appropriate:
 .Bl -column "XXXXXXXXXXXXXXXXXXX" "XXXXX"
 .It Sy "Variable name" Ta Sy "Alias" Ta Sy "Replaced with"
-.It Li "active_window_index" Ta "" Ta "Index of active window in session"
+.It Li "active_window_id" Ta "" Ta "ID of effective active window"
+.It Li "active_window_index" Ta "" Ta "Index of effective active window"
+.It Li "local_active_window" Ta "" Ta "1 if client has local window selection"
+.It Li "active_window_mode" Ta "" Ta "Window selection mode, shared or local"
 .It Li "alternate_on" Ta "" Ta "1 if pane is in alternate screen"
 .It Li "alternate_saved_x" Ta "" Ta "Saved cursor X in alternate screen"
 .It Li "alternate_saved_y" Ta "" Ta "Saved cursor Y in alternate screen"
@@ -7601,6 +7444,8 @@ The following variables are available, where appropriate:
 .It Li "pane_last" Ta "" Ta "1 if last pane"
 .It Li "pane_last_output_time" Ta "" Ta "Time pane last produced output"
 .It Li "pane_last_prompt_time" Ta "" Ta "Time most recent OSC 133 prompt began"
+.It Li "pane_local_active" Ta "" Ta "1 if active pane is client-local"
+.It Li "pane_local_mode" Ta "" Ta "1 if client has local pane selection"
 .It Li "pane_left" Ta "" Ta "Left of pane"
 .It Li "pane_marked" Ta "" Ta "1 if this is the marked pane"
 .It Li "pane_marked_set" Ta "" Ta "1 if a marked pane is set"
@@ -7684,7 +7529,7 @@ The following variables are available, where appropriate:
 .It Li "uid" Ta "" Ta "Server UID"
 .It Li "user" Ta "" Ta "Server user"
 .It Li "version" Ta "" Ta "Server version"
-.It Li "window_active" Ta "" Ta "1 if window active"
+.It Li "window_active" Ta "" Ta "1 if window is the effective active window"
 .It Li "window_active_clients" Ta "" Ta "Number of clients viewing this window"
 .It Li "window_active_clients_list" Ta "" Ta "List of clients viewing this window"
 .It Li "window_active_sessions" Ta "" Ta "Number of sessions on which this window is active"

tmux.h

@@ -815,7 +815,6 @@ struct colour_palette {
 #define GRID_LINE_START_OUTPUT 0x40
 #define GRID_LINE_END_OUTPUT 0x80
 #define GRID_LINE_HYPERLINK 0x100
-#define GRID_LINE_END_OUTPUT_STATUS 0x200
 
 /* All OSC 133 flags. */
 #define GRID_LINE_OSC133_FLAGS \
@@ -823,8 +822,7 @@ struct colour_palette {
 	 GRID_LINE_SECOND_PROMPT| \
 	 GRID_LINE_START_COMMAND| \
 	 GRID_LINE_START_OUTPUT| \
-	 GRID_LINE_END_OUTPUT| \
-	 GRID_LINE_END_OUTPUT_STATUS)
+	 GRID_LINE_END_OUTPUT)
 
 /* Grid string flags. */
 #define GRID_STRING_WITH_SEQUENCES 0x1
@@ -2779,6 +2777,42 @@ void	 events_fire_window(const char *, struct window *);
 void	 events_fire_pane(const char *, struct window_pane *);
 void	 events_fire_winlink(const char *, struct winlink *);
 
+/* active.c */
+enum active_mode {
+	ACTIVE_SHARED,
+	ACTIVE_LOCAL
+};
+int		 active_is_local_window(struct client *, struct session *);
+void		 active_set_local_window(struct client *, struct session *,
+		     enum active_mode);
+struct winlink	*active_get_effective_winlink(struct client *,
+		     struct session *);
+struct window	*active_get_effective_window(struct client *,
+		     struct session *);
+int		 active_select_window(struct client *, struct session *,
+		     struct winlink *);
+int		 active_select_window_index(struct client *, struct session *, int);
+int		 active_next_window(struct client *, struct session *, int);
+int		 active_previous_window(struct client *, struct session *, int);
+int		 active_last_window(struct client *, struct session *);
+void		 active_remove_client(struct client *);
+void		 active_remove_session(struct session *);
+void		 active_remove_window(struct window *);
+int		 active_is_effective_window(struct client *, struct session *,
+		     struct winlink *);
+int		 active_is_last_window(struct client *, struct session *,
+		     struct winlink *);
+int		 active_has_local_pane(struct client *, struct window *);
+void		 active_set_pane_mode(struct client *, struct window *,
+		     enum active_mode);
+struct window_pane *active_get_effective_pane(struct client *,
+		     struct window *);
+struct window_pane *active_get_last_pane(struct client *, struct window *);
+int		 active_set_pane(struct client *, struct window *,
+		     struct window_pane *, int);
+void		 active_check_clients(void);
+void		 active_remove_pane(struct window_pane *);
+
 /* format-draw.c */
 void	 format_draw(struct screen_write_ctx *, const struct grid_cell *,
 	     u_int, const char *, struct style_ranges *, int);
@@ -3001,7 +3035,8 @@ void	tty_cmd_sixelimage(struct tty *, const struct tty_ctx *);
 void	tty_draw_images(struct client *, struct window_pane *);
 #endif
 void	tty_cmd_syncstart(struct tty *, const struct tty_ctx *);
-void	tty_default_colours(struct grid_cell *, struct window_pane *, u_int *);
+void	tty_default_colours(struct grid_cell *, struct window_pane *,
+	    struct window_pane *, u_int *);
 
 /* tty-term.c */
 extern struct tty_terms tty_terms;
@@ -3783,7 +3818,7 @@ int		 window_pane_is_visible(struct window_pane *);
 int		 window_pane_exited(struct window_pane *);
 u_int		 window_pane_search(struct window_pane *, const char *, int,
 		     int);
-const char	*window_printable_flags(struct winlink *, int);
+const char	*window_printable_flags(struct client *, struct winlink *, int);
 const char      *window_pane_printable_flags(struct window_pane *);
 struct window_pane *window_pane_find_up(struct window_pane *);
 struct window_pane *window_pane_find_down(struct window_pane *);
@@ -4223,7 +4258,7 @@ struct winlink	*spawn_window(struct spawn_context *, char **);
 struct window_pane *spawn_pane(struct spawn_context *, char **);
 typedef void (*spawn_finish_edit_cb)(char *, size_t, void *);
 struct spawn_editor_state *spawn_editor(struct client *, const char *, size_t,
-		     const char *, spawn_finish_edit_cb, void *);
+		     spawn_finish_edit_cb, void *);
 void		 spawn_cancel_editor(struct spawn_editor_state *);
 pid_t		 spawn_get_editor_pid(struct spawn_editor_state *);
 void		 spawn_editor_finish(struct window_pane *);

tty-keys.c

@@ -1020,12 +1020,12 @@ complete_key:
 	/* Check for focus events. */
 	if (key == KEYC_FOCUS_OUT) {
 		c->flags &= ~CLIENT_FOCUSED;
-		window_update_focus(c->session->curw->window);
+		window_update_focus(active_get_effective_window(c, c->session));
 		events_fire_client("client-focus-out", c);
 	} else if (key == KEYC_FOCUS_IN) {
 		c->flags |= CLIENT_FOCUSED;
 		events_fire_client("client-focus-in", c);
-		window_update_focus(c->session->curw->window);
+		window_update_focus(active_get_effective_window(c, c->session));
 	}
 
 	/* Fire the key. */

tty.c

@@ -955,7 +955,7 @@ int
 tty_window_bigger(struct tty *tty)
 {
 	struct client	*c = tty->client;
-	struct window	*w = c->session->curw->window;
+	struct window	*w = active_get_effective_window(c, c->session);
 
 	return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
 }
@@ -977,10 +977,11 @@ static int
 tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
 {
 	struct client		*c = tty->client;
-	struct window		*w = c->session->curw->window;
-	struct window_pane	*wp = w->active;
+	struct window		*w = active_get_effective_window(c, c->session);
+	struct window_pane	*wp;
 	u_int			 cx, cy, lines;
 
+	wp = active_get_effective_pane(c, w);
 	lines = status_line_size(c);
 
 	if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
@@ -1044,8 +1045,7 @@ tty_update_window_offset(struct window *w)
 
 	TAILQ_FOREACH(c, &clients, entry) {
 		if (c->session != NULL &&
-		    c->session->curw != NULL &&
-		    c->session->curw->window == w)
+		    active_get_effective_window(c, c->session) == w)
 			tty_update_client_offset(c);
 	}
 }
@@ -1547,7 +1547,7 @@ tty_set_client_cb(struct tty_ctx *ttyctx, struct client *c)
 {
 	struct window_pane	*wp = ttyctx->arg;
 
-	if (c->session->curw->window != wp->window)
+	if (active_get_effective_window(c, c->session) != wp->window)
 		return (0);
 	if (wp->layout_cell == NULL)
 		return (0);
@@ -3159,23 +3159,24 @@ tty_style_changed(struct window_pane *wp)
 }
 
 void
-tty_default_colours(struct grid_cell *gc, struct window_pane *wp, u_int *dim)
+tty_default_colours(struct grid_cell *gc, struct window_pane *wp,
+    struct window_pane *active, u_int *dim)
 {
 	if (wp->flags & PANE_STYLECHANGED)
 		tty_style_changed (wp);
 
 	memcpy(gc, &grid_default_cell, sizeof *gc);
-	if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
+	if (wp == active && wp->cached_active_gc.fg != 8)
 		gc->fg = wp->cached_active_gc.fg;
 	else
 		gc->fg = wp->cached_gc.fg;
-	if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
+	if (wp == active && wp->cached_active_gc.bg != 8)
 		gc->bg = wp->cached_active_gc.bg;
 	else
 		gc->bg = wp->cached_gc.bg;
 
 	if (dim != NULL) {
-		if (wp == wp->window->active)
+		if (wp == active)
 			*dim = wp->cached_active_dim;
 		else
 			*dim = wp->cached_dim;

window-border.c

@@ -155,9 +155,14 @@ window_pane_get_border_style(struct window_pane *wp, struct client *c,
 	struct format_tree	*ft;
 	const char		*option;
 	struct grid_cell	*saved;
-	int			*flag;
+	struct window		*w;
+	struct window_pane	*active;
+	int			 local, *flag;
 
-	if (wp == c->session->curw->window->active) {
+	w = active_get_effective_window(c, c->session);
+	active = active_get_effective_pane(c, w);
+	local = (wp == active && active_has_local_pane(c, wp->window));
+	if (wp == active) {
 		flag = &wp->active_border_gc_set;
 		saved = &wp->active_border_gc;
 		option = "pane-active-border-style";
@@ -167,8 +172,15 @@ window_pane_get_border_style(struct window_pane *wp, struct client *c,
 		option = "pane-border-style";
 	}
 
-	if (!*flag) {
+	if (local) {
 		ft = format_create_defaults(NULL, c, s, s->curw, wp);
+		style_apply(gc, wp->options, option, ft);
+		format_free(ft);
+		return;
+	}
+
+	if (!*flag) {
+		ft = format_create_defaults(NULL, c, s, NULL, wp);
 		style_apply(saved, wp->options, option, ft);
 		format_free(ft);
 		*flag = 1;
@@ -197,7 +209,7 @@ window_make_pane_status(struct window_pane *wp, struct client *c, u_int width,
 		return (0);
 
 	ft = format_create(c, NULL, FORMAT_PANE|wp->id, FORMAT_STATUS);
-	format_defaults(ft, c, c->session, c->session->curw, wp);
+	format_defaults(ft, c, c->session, NULL, wp);
 
 	fmt = options_get_string(wp->options, "pane-border-format");
 	expanded = format_expand_time(ft, fmt);

window-buffer.c

@@ -606,8 +606,7 @@ window_buffer_start_edit(struct window_buffer_modedata *data,
 	ed->name = xstrdup(paste_buffer_name(pb));
 	ed->pb = pb;
 
-	ed->editor = spawn_editor(c, buf, len, NULL,
-	    window_buffer_edit_close_cb, ed);
+	ed->editor = spawn_editor(c, buf, len, window_buffer_edit_close_cb, ed);
 	if (ed->editor == NULL)
 		window_buffer_finish_edit(ed);
 	else {

window-client.c

@@ -269,12 +269,13 @@ window_client_draw_info(__unused void *modedata, void *itemdata,
 	struct window_client_itemdata	*item = itemdata;
 	struct client			*c = item->c;
 	struct screen			*s = ctx->s;
-	struct window			*w = c->session->curw->window;
+	struct window			*w;
 	struct grid_cell		 gc;
 	u_int				 cx = s->cx, cy = s->cy, i;
 	struct format_tree		*ft;
 	char				*expanded;
 
+	w = active_get_effective_window(c, c->session);
 	ft = format_create_defaults(NULL, c, NULL, NULL, NULL);
 	if (c->tty.term->flags & TERM_INVALIDMS)
 		format_add(ft, "clipboard_invalid", "1");

window-customize.c

@@ -2104,8 +2104,8 @@ window_customize_start_edit(struct window_customize_modedata *data,
 		buf = "\n";
 		len = 1;
 	}
-	ed->editor = spawn_editor(c, buf, len, NULL,
-	    window_customize_edit_close_cb, ed);
+	ed->editor = spawn_editor(c, buf, len, window_customize_edit_close_cb,
+	    ed);
 	free(value);
 	if (ed->editor == NULL)
 		window_customize_finish_edit(ed);

window-switch.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: window-switch.c,v 1.4 2026/09/01 21:03:55 nicm Exp $ */
+/* $OpenBSD: window-switch.c,v 1.3 2026/08/25 07:23:30 nicm Exp $ */
 
 /*
  * Copyright (c) 2026 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -374,9 +374,6 @@ window_switch_init(struct window_mode_entry *wme,
 	data->prompt = prompt_create(&pd);
 	prompt_update(data->prompt, "(search) ", data->filter);
 
-	s = &data->screen;
-	screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
-
 	if (!args_has(args, 'Z'))
 		data->zoomed = -1;
 	else {
@@ -385,6 +382,9 @@ window_switch_init(struct window_mode_entry *wme,
 			server_redraw_window(wp->window);
 	}
 
+	s = &data->screen;
+	screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
+
 	window_switch_build(data);
 	prompt_incremental_start(data->prompt);
 	window_switch_draw_screen(wme);

window.c

@@ -451,6 +451,7 @@ window_destroy(struct window *w)
 {
 	log_debug("window @%u destroyed (%d references)", w->id, w->references);
 
+	active_remove_window(w);
 	window_unzoom(w, 0);
 	RB_REMOVE(windows, &windows, w);
 
@@ -672,6 +673,7 @@ void
 window_pane_update_focus(struct window_pane *wp)
 {
 	struct client	*c;
+	struct window	*w;
 	int		 focused = 0;
 
 	if (wp != NULL && (~wp->flags & PANE_EXITED)) {
@@ -679,10 +681,12 @@ window_pane_update_focus(struct window_pane *wp)
 			focused = 0;
 		else {
 			TAILQ_FOREACH(c, &clients, entry) {
-				if (c->session != NULL &&
-				    c->session->attached != 0 &&
+				if (c->session == NULL)
+					continue;
+				w = active_get_effective_window(c, c->session);
+				if (c->session->attached != 0 &&
 				    (c->flags & CLIENT_FOCUSED) &&
-				    c->session->curw->window == wp->window &&
+				    w == wp->window &&
 				    c->overlay_draw == NULL &&
 				    wp->window->menu == NULL) {
 					focused = 1;
@@ -788,7 +792,8 @@ window_redraw_active_switch(struct window *w, struct window_pane *wp)
 			break;
 
 		/* If the pane is floating, move to the front. */
-		if (window_pane_is_floating(wp)) {
+		if (window_pane_is_floating(wp) &&
+		    TAILQ_FIRST(&w->z_index) != wp) {
 			TAILQ_REMOVE(&w->z_index, wp, zentry);
 			TAILQ_INSERT_HEAD(&w->z_index, wp, zentry);
 			wp->flags |= PANE_REDRAW;
@@ -1287,7 +1292,7 @@ window_destroy_panes(struct window *w)
 }
 
 const char *
-window_printable_flags(struct winlink *wl, int escape)
+window_printable_flags(struct client *c, struct winlink *wl, int escape)
 {
 	struct session	*s = wl->session;
 	static char	 flags[32];
@@ -1302,9 +1307,9 @@ window_printable_flags(struct winlink *wl, int escape)
 		flags[pos++] = '!';
 	if (wl->flags & WINLINK_SILENCE)
 		flags[pos++] = '~';
-	if (wl == s->curw)
+	if (active_is_effective_window(c, s, wl))
 		flags[pos++] = '*';
-	if (wl == TAILQ_FIRST(&s->lastw))
+	if (active_is_last_window(c, s, wl))
 		flags[pos++] = '-';
 	if (server_check_marked() && wl == marked_pane.wl)
 		flags[pos++] = 'M';
@@ -2634,7 +2639,7 @@ window_pane_get_bg(struct window_pane *wp)
 
 	c = window_pane_get_bg_control_client(wp);
 	if (c == -1) {
-		tty_default_colours(&defaults, wp, NULL);
+		tty_default_colours(&defaults, wp, wp->window->active, NULL);
 		if (COLOUR_DEFAULT(defaults.bg))
 			c = window_get_bg_client(wp);
 		else