Merge branch 'master' into local_windows

# Conflicts:
#	cmd-switch-client.c

.github/workflows/regress.yml

@@ -27,10 +27,10 @@ jobs:
             runner: ubuntu-24.04
             make: make
             configure: --enable-utf8proc --enable-asan
-          - name: ubuntu-24.04-arm64
-            runner: ubuntu-24.04-arm
-            make: make
-            configure: --enable-utf8proc --enable-asan
+          #- name: ubuntu-24.04-arm64
+          #  runner: ubuntu-24.04-arm
+          #  make: make
+          #  configure: --enable-utf8proc --enable-asan
           - name: macos-26-arm64
             runner: macos-26
             make: gmake
@@ -72,14 +72,14 @@ jobs:
 
       - name: build
         run: |
-          sh autogen.sh
+         sh autogen.sh
           ./configure ${{ matrix.configure }}
           ${{ matrix.make }} -j"$(getconf _NPROCESSORS_ONLN)"
 
       - name: test
         run: |
           cd regress
-          ${{ matrix.make }} -j"$(getconf _NPROCESSORS_ONLN)"
+          ${{ matrix.make }}
 
       - name: logs
         if: failure()

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;
@@ -29,15 +24,10 @@ 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.
+    default bindings under C-b g for common move and resize operations;
 
-* Layout strings now use a JSON subset format which includes floating panes.
-  The old format is still accepted; control mode clients receive old layouts
-  unless they set the new-layouts flag.
+  - floating panes are unzoomed before creation to avoid a crash.
 
 * Add support for themes and improve default colours:
 
@@ -84,7 +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.
@@ -97,23 +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).
@@ -128,12 +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 capture-pane -I to include the time each line entered history.
-
-* Various memory leak fixes from Heon Jeong.
-
-* 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).
@@ -147,13 +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).
 
@@ -164,9 +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.
@@ -178,18 +140,12 @@ CHANGES FROM 3.7c TO 3.8
 
 * The mouse option now defaults to on.
 
-* The active-pane client flag has been removed.
-
 * Fix send-keys -K so keys are inserted in the correct place in the input
   queue, like keys from key bindings (issue 3476).
 
 * 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). Bound buffered command replies so a control mode
-  client that stops reading cannot consume unlimited memory (issue 5565).
+  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 \
@@ -174,7 +175,6 @@ dist_tmux_SOURCES = \
 	input-keys.c \
 	input.c \
 	job.c \
-	json.c \
 	key-bindings.c \
 	key-string.c \
 	layout-custom.c \
@@ -188,6 +188,7 @@ dist_tmux_SOURCES = \
 	options-table.c \
 	options.c \
 	paste.c \
+	popup.c \
 	proc.c \
 	prompt-history.c \
 	prompt.c \

SYNCING.md

@@ -35,7 +35,7 @@ The usual local layout is:
 ```sh
 cd /some/where/useful
 git clone https://github.com/tmux/tmux.git tmux-portable
-git clone https://github.com/tmux/tmux-openbsd-cutover.git tmux-openbsd-cutover
+git clone https://github.com/ThomasAdam/tmux-obsd.git tmux-openbsd-cutover
 ```
 
 The exact directory names do not matter, but the examples below use:
@@ -56,19 +56,18 @@ The cutover repository has three important branches:
 
 # Adding the OpenBSD remote to portable
 
-In the portable repository, add the published cutover repository as a remote.
-This works regardless of which branch is checked out in a local cutover clone:
+In the portable repository, add the cutover repository as a remote:
 
 ```sh
 cd /path/to/tmux-portable
-git remote add tmux-openbsd https://github.com/tmux/tmux-openbsd-cutover.git
+git remote add tmux-openbsd /path/to/tmux-openbsd-cutover
 git config remote.tmux-openbsd.tagOpt --no-tags
 ```
 
 If the remote already exists, update it instead:
 
 ```sh
-git remote set-url tmux-openbsd https://github.com/tmux/tmux-openbsd-cutover.git
+git remote set-url tmux-openbsd /path/to/tmux-openbsd-cutover
 git config remote.tmux-openbsd.tagOpt --no-tags
 ```
 
@@ -78,32 +77,6 @@ Fetch the cutover master branch explicitly:
 git fetch --no-tags tmux-openbsd master:refs/remotes/tmux-openbsd/master
 ```
 
-To merge unpublished changes from a local cutover clone instead, first ensure
-it has an up-to-date local `master` branch. A normal clone may check out
-`automation` and have only `origin/master`; fetching `master` from that clone
-will then fail with `couldn't find remote ref master`.
-
-With a clean cutover working tree:
-
-```sh
-cd /path/to/tmux-openbsd-cutover
-git fetch --no-tags origin
-git switch master
-git merge --ff-only origin/master
-```
-
-`git switch master` creates a tracking branch from `origin/master` if there is
-no local `master` yet. If the fast-forward fails, reconcile the local cutover
-changes before continuing; do not reset them away.
-
-Then, in portable, point the remote at that clone and fetch its local `master`:
-
-```sh
-cd /path/to/tmux-portable
-git remote set-url tmux-openbsd /path/to/tmux-openbsd-cutover
-git fetch --no-tags tmux-openbsd master:refs/remotes/tmux-openbsd/master
-```
-
 # Automated syncing
 
 The normal sync is performed by the GitHub Actions workflow in the
@@ -126,9 +99,7 @@ OpenBSD changes.
 If the workflow fails while merging into portable, do the merge locally and
 push the result.
 
-Start with a clean working tree and an up-to-date portable master. If a merge
-is already in progress, skip to resolving conflicts, or abort it before
-starting again:
+Start from an up-to-date portable master:
 
 ```sh
 cd /path/to/tmux-portable
@@ -137,15 +108,10 @@ git checkout master
 git pull --ff-only origin master
 ```
 
-Fetch the published cutover branch. Update an existing remote as well, since
-it may point at a local clone without a `master` branch or with a stale one:
+Fetch the cutover branch:
 
 ```sh
-if git remote get-url tmux-openbsd >/dev/null 2>&1; then
-    git remote set-url tmux-openbsd https://github.com/tmux/tmux-openbsd-cutover.git
-else
-    git remote add tmux-openbsd https://github.com/tmux/tmux-openbsd-cutover.git
-fi
+git remote add tmux-openbsd /path/to/tmux-openbsd-cutover 2>/dev/null || true
 git config remote.tmux-openbsd.tagOpt --no-tags
 git fetch --no-tags tmux-openbsd master:refs/remotes/tmux-openbsd/master
 ```
@@ -156,22 +122,7 @@ Merge it:
 git merge --no-ff --log refs/remotes/tmux-openbsd/master
 ```
 
-If merging a local cutover branch instead, use the local-clone preparation
-and fetch commands above in place of this fetch block.
-
-When the merge reports conflicts, it leaves the merge in progress. List the
-unresolved files, edit the conflict markers to combine the required portable
-and OpenBSD changes, then stage each resolved file:
-
-```sh
-git diff --name-only --diff-filter=U
-git diff -- path/to/file
-git add path/to/file
-```
-
-For files that should come entirely from one side, decide whether portable or
-OpenBSD owns the file before using the commands below. They replace the whole
-file, including changes outside the conflicting hunks.
+Resolve conflicts by deciding whether portable or OpenBSD owns the file.
 
 Useful commands:
 
@@ -189,25 +140,11 @@ git add path/to/file
 
 This takes the OpenBSD/cutover version of a conflicted file.
 
-For a modify/delete conflict, the side that deleted the file has no version
-to check out. For example, portable generates `Makefile` using autotools and
-does not track OpenBSD's `Makefile`. If Git reports that `Makefile` was deleted
-in HEAD and modified in cutover, keep the portable deletion with:
-
-```sh
-git rm -- Makefile
-```
-
-This removes the OpenBSD file left by the merge; regenerate the portable
-`Makefile` with your usual configure command before building. Use this only
-for the unmerged OpenBSD file, not an existing generated build file.
-
 Before committing, inspect the result:
 
 ```sh
 git status
 git diff --check
-git diff --cached --check
 git diff --cached --stat
 ```
 

active.c

@@ -0,0 +1,449 @@
+/* $OpenBSD$ */
+
+/*
+ * 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);
+
+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);
+
+static struct active_window *active_get(struct client *, struct session *);
+static struct active_window *active_add(struct client *, struct session *,
+		    struct winlink *);
+static void	active_free(struct active_window *);
+static struct winlink *active_resolve(struct active_window *);
+static void	active_stack_remove(struct active_window_stack *, u_int);
+static void	active_stack_push(struct active_window_stack *, u_int);
+static void	active_changed(struct client *, struct session *,
+		    struct winlink *, struct winlink *);
+
+/* All local active window states. */
+static struct active_windows active_windows = RB_INITIALIZER(&active_windows);
+
+/* Find local active window state for a client and session. */
+static struct active_window *
+active_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_add(struct client *c, struct session *s, struct winlink *wl)
+{
+	struct active_window	*aw;
+
+	aw = active_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);
+}
+
+/* Free local active window state. */
+static void
+active_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_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_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);
+}
+
+/* Remove a window from a local last-window stack. */
+static void
+active_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_stack_push(struct active_window_stack *stack, u_int window)
+{
+	struct active_window_entry	*awe;
+
+	active_stack_remove(stack, window);
+	awe = xcalloc(1, sizeof *awe);
+	awe->window = window;
+	TAILQ_INSERT_HEAD(stack, awe, entry);
+}
+
+/* Notify the server that a client's effective window changed. */
+static void
+active_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();
+}
+
+/* Return if a client has local window selection for a session. */
+int
+active_is_local_window(struct client *c, struct session *s)
+{
+	return (active_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_window_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_add(c, s, old);
+		if (c != NULL && c->session == s)
+			c->flags |= CLIENT_REDRAWSTATUS;
+		return;
+	}
+
+	aw = active_get(c, s);
+	if (aw != NULL) {
+		active_free(aw);
+		wl = active_get_effective_winlink(c, s);
+		active_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_get(c, s);
+	if (aw != NULL)
+		return (active_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_get(c, s);
+	if (aw == NULL)
+		return (session_set_current(s, wl));
+
+	old = active_resolve(aw);
+	if (old == wl)
+		return (1);
+	if (old != NULL)
+		active_stack_push(&aw->lastw, old->window->id);
+	active_stack_remove(&aw->lastw, wl->window->id);
+	aw->window = wl->window->id;
+	changed = (old != wl);
+	active_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_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_stack_remove(&aw->lastw, window);
+	}
+	return (-1);
+}
+
+/* Remove all state for a client. */
+void
+active_remove_client(struct client *c)
+{
+	struct active_window	*aw, *aw1;
+
+	RB_FOREACH_SAFE(aw, active_windows, &active_windows, aw1) {
+		if (aw->client == c)
+			active_free(aw);
+	}
+}
+
+/* Remove all 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_free(aw);
+	}
+}
+
+/* Remove a window from all local state. */
+void
+active_remove_window(struct window *w)
+{
+	struct active_window		*aw;
+
+	RB_FOREACH(aw, active_windows, &active_windows) {
+		active_stack_remove(&aw->lastw, w->id);
+		if (aw->window == w->id && aw->session->curw != NULL)
+			aw->window = aw->session->curw->window->id;
+	}
+}
+
+/* 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_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);
+}

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-capture-pane.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-capture-pane.c,v 1.69 2026/09/08 07:31:59 nicm Exp $ */
+/* $OpenBSD: cmd-capture-pane.c,v 1.68 2026/07/20 11:16:33 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Jonathan Alvarado <radobobo@users.sourceforge.net>
@@ -42,8 +42,8 @@ const struct cmd_entry cmd_capture_pane_entry = {
 	.name = "capture-pane",
 	.alias = "capturep",
 
-	.args = { "ab:CeE:FHIJLMNpPqRS:Tt:", 0, 0, NULL },
-	.usage = "[-aCeFHIJLMNpPqRT] " CMD_BUFFER_USAGE " [-E end-line] "
+	.args = { "ab:CeE:FHJLMNpPqRS:Tt:", 0, 0, NULL },
+	.usage = "[-aCeFHJLMNpPqRT] " CMD_BUFFER_USAGE " [-E end-line] "
 		 "[-S start-line] " CMD_TARGET_PANE_USAGE,
 
 	.target = { 't', CMD_FIND_PANE, 0 },
@@ -200,7 +200,7 @@ cmd_capture_pane_pending(struct args *args, struct window_pane *wp,
 				tmp[0] = line[i];
 				tmp[1] = '\0';
 			} else
-				snprintf(tmp, sizeof tmp, "\\%03hho", line[i]);
+				xsnprintf(tmp, sizeof tmp, "\\%03hho", line[i]);
 			buf = cmd_capture_pane_append(buf, len, tmp,
 			    strlen(tmp));
 		}
@@ -259,7 +259,7 @@ cmd_capture_pane_history(struct args *args, struct cmdq_item *item,
 	struct grid_cell		*gc = NULL;
 	struct window_mode_entry	*wme;
 	int				 n, join_lines, number_lines, flags = 0;
-	int				 show_flags, show_time, hyperlinks;
+	int				 show_flags, hyperlinks;
 	u_int				*links = NULL, nlinks = 0;
 	u_int				 i, sx, top, bottom, tmp;
 	char				*cause, *buf = NULL, *line, b[64], *cp;
@@ -342,7 +342,6 @@ cmd_capture_pane_history(struct args *args, struct cmdq_item *item,
 		flags |= GRID_STRING_TRIM_SPACES;
 	number_lines = args_has(args, 'L');
 	show_flags = args_has(args, 'F');
-	show_time = args_has(args, 'I');
 	hyperlinks = args_has(args, 'H');
 	if (hyperlinks)
 		links = xreallocarray(NULL, gd->sx, sizeof *links);
@@ -359,7 +358,6 @@ cmd_capture_pane_history(struct args *args, struct cmdq_item *item,
 			free(line);
 			continue;
 		}
-		gl = grid_peek_line(gd, i);
 
 		if (number_lines) {
 			if (i >= gd->hsize)
@@ -370,16 +368,11 @@ cmd_capture_pane_history(struct args *args, struct cmdq_item *item,
 			if (n >= 0)
 				buf = cmd_capture_pane_append(buf, len, b, n);
 		}
-		if (show_time) {
-			n = snprintf(b, sizeof b, "%llu ",
-			    (unsigned long long)grid_line_time(gl));
-			if (n >= 0)
-				buf = cmd_capture_pane_append(buf, len, b, n);
-		}
 		if (show_flags) {
 			cp = b;
 			*cp = '\0';
 
+			gl = grid_peek_line(gd, i);
 			if (gl->flags & GRID_LINE_DEAD)
 				*cp++ = 'D';
 			if (gl->flags & GRID_LINE_HYPERLINK)
@@ -400,6 +393,7 @@ cmd_capture_pane_history(struct args *args, struct cmdq_item *item,
 		}
 		buf = cmd_capture_pane_append(buf, len, line, linelen);
 
+		gl = grid_peek_line(gd, i);
 		if (!join_lines || !(gl->flags & GRID_LINE_WRAPPED))
 			buf[(*len)++] = '\n';
 

cmd-display-menu.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-display-menu.c,v 1.55 2026/09/21 12:14:32 nicm Exp $ */
+/* $OpenBSD: cmd-display-menu.c,v 1.53 2026/08/31 07:46:55 nicm Exp $ */
 
 /*
  * Copyright (c) 2019 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -54,8 +54,8 @@ const struct cmd_entry cmd_display_popup_entry = {
 	.name = "display-popup",
 	.alias = "popup",
 
-	.args = { "Bb:Cc:d:e:Eh:ks:S:t:T:w:x:y:", 0, -1, NULL },
-	.usage = "[-BCEk] [-b border-lines] [-c target-client] "
+	.args = { "Bb:Cc:d:e:Eh:kNs:S:t:T:w:x:y:", 0, -1, NULL },
+	.usage = "[-BCEkN] [-b border-lines] [-c target-client] "
 		 "[-d start-directory] [-e environment] [-h height] "
 		 "[-s style] [-S border-style] " CMD_TARGET_PANE_USAGE
 		 " [-T title] [-w width] [-x position] [-y position] "
@@ -91,6 +91,203 @@ cmd_display_menu_args_parse(struct args *args, u_int idx, __unused char **cause)
 	return (type);
 }
 
+static int
+cmd_display_menu_get_popup_pos(struct client *tc, struct cmdq_item *item,
+    struct args *args, u_int *px, u_int *py, u_int w, u_int h)
+{
+	struct tty		*tty = &tc->tty;
+	struct cmd_find_state	*target = cmdq_get_target(item);
+	struct key_event	*event = cmdq_get_event(item);
+	struct session		*s = tc->session;
+	struct winlink		*wl = target->wl;
+	struct window_pane	*wp = target->wp;
+	struct style_ranges	*ranges = NULL;
+	struct style_range	*sr = NULL;
+	const char		*xp, *yp;
+	char			*p;
+	int			 top;
+	u_int			 line, ox, oy, sx, sy, lines, position;
+	long			 n;
+	struct format_tree	*ft;
+
+	/*
+	 * Work out the position from the -x and -y arguments. This is the
+	 * bottom-left position.
+	 */
+
+	/* If the popup is too big, stop now. */
+	if (w > tty->sx || h > tty->sy)
+		return (0);
+
+	/* Create format with mouse position if any. */
+	ft = format_create_from_target(item);
+	if (event->m.valid) {
+		format_add(ft, "popup_mouse_x", "%u", event->m.x);
+		format_add(ft, "popup_mouse_y", "%u", event->m.y);
+	}
+
+	/* Position of the previous menu, for -x/-y L. */
+	format_add(ft, "popup_last_x", "%u", target->w->menu_last_px);
+	format_add(ft, "popup_last_y", "%u", target->w->menu_last_py + h);
+
+	/*
+	 * If there are any status lines, add this window position and the
+	 * status line position.
+	 */
+	top = status_at_line(tc);
+	if (top != -1) {
+		lines = status_line_size(tc);
+		if (top == 0)
+			top = lines;
+		else
+			top = 0;
+		position = options_get_number(s->options, "status-position");
+
+		for (line = 0; line < lines; line++) {
+			ranges = &tc->status.entries[line].ranges;
+			TAILQ_FOREACH(sr, ranges, entry) {
+				if (sr->type != STYLE_RANGE_WINDOW)
+					continue;
+				if (sr->argument == (u_int)wl->idx)
+					break;
+			}
+			if (sr != NULL)
+				break;
+		}
+
+		if (sr != NULL) {
+			format_add(ft, "popup_window_status_line_x", "%u",
+			    sr->start);
+			if (position == 0) {
+				format_add(ft, "popup_window_status_line_y",
+				    "%u", line + 1 + h);
+			} else {
+				format_add(ft, "popup_window_status_line_y",
+				    "%u", tty->sy - lines + line);
+			}
+		}
+
+		if (position == 0)
+			format_add(ft, "popup_status_line_y", "%u", lines + h);
+		else {
+			format_add(ft, "popup_status_line_y", "%u",
+			    tty->sy - lines);
+		}
+	} else
+		top = 0;
+
+	/* Popup width and height. */
+	format_add(ft, "popup_width", "%u", w);
+	format_add(ft, "popup_height", "%u", h);
+
+	/* Position so popup is in the centre. */
+	n = (long)(tty->sx - 1) / 2 - w / 2;
+	if (n < 0)
+		format_add(ft, "popup_centre_x", "%u", 0);
+	else
+		format_add(ft, "popup_centre_x", "%ld", n);
+	n = (tty->sy - 1) / 2 + h / 2;
+	if (n >= tty->sy)
+		format_add(ft, "popup_centre_y", "%u", tty->sy - h);
+	else
+		format_add(ft, "popup_centre_y", "%ld", n);
+
+	/* Position of popup relative to mouse. */
+	if (event->m.valid) {
+		n = (long)event->m.x - w / 2;
+		if (n < 0)
+			format_add(ft, "popup_mouse_centre_x", "%u", 0);
+		else
+			format_add(ft, "popup_mouse_centre_x", "%ld", n);
+		n = event->m.y - h / 2;
+		if (n + h >= tty->sy) {
+			format_add(ft, "popup_mouse_centre_y", "%u",
+			    tty->sy - h);
+		} else
+			format_add(ft, "popup_mouse_centre_y", "%ld", n);
+		n = (long)event->m.y + h;
+		if (n >= tty->sy)
+			format_add(ft, "popup_mouse_top", "%u", tty->sy - 1);
+		else
+			format_add(ft, "popup_mouse_top", "%ld", n);
+		n = event->m.y - h;
+		if (n < 0)
+			format_add(ft, "popup_mouse_bottom", "%u", 0);
+		else
+			format_add(ft, "popup_mouse_bottom", "%ld", n);
+	}
+
+	/* Position in pane. */
+	tty_window_offset(&tc->tty, &ox, &oy, &sx, &sy);
+	n = top + wp->yoff - oy + h;
+	if (n >= tty->sy)
+		format_add(ft, "popup_pane_top", "%u", tty->sy - h);
+	else
+		format_add(ft, "popup_pane_top", "%ld", n);
+	format_add(ft, "popup_pane_bottom", "%u", top + wp->yoff + wp->sy - oy);
+	format_add(ft, "popup_pane_left", "%u", wp->xoff - ox);
+	n = (long)wp->xoff + wp->sx - ox - w;
+	if (n < 0)
+		format_add(ft, "popup_pane_right", "%u", 0);
+	else
+		format_add(ft, "popup_pane_right", "%ld", n);
+
+	/* Expand horizontal position. */
+	xp = args_get(args, 'x');
+	if (xp == NULL || strcmp(xp, "C") == 0)
+		xp = "#{popup_centre_x}";
+	else if (strcmp(xp, "R") == 0)
+		xp = "#{popup_pane_right}";
+	else if (strcmp(xp, "P") == 0)
+		xp = "#{popup_pane_left}";
+	else if (strcmp(xp, "M") == 0)
+		xp = "#{popup_mouse_centre_x}";
+	else if (strcmp(xp, "L") == 0)
+		xp = "#{popup_last_x}";
+	else if (strcmp(xp, "W") == 0)
+		xp = "#{popup_window_status_line_x}";
+	p = format_expand(ft, xp);
+	n = strtol(p, NULL, 10);
+	if (n + w >= tty->sx)
+		n = tty->sx - w;
+	else if (n < 0)
+		n = 0;
+	*px = n;
+	log_debug("%s: -x: %s = %s = %u (-w %u)", __func__, xp, p, *px, w);
+	free(p);
+
+	/* Expand vertical position  */
+	yp = args_get(args, 'y');
+	if (yp == NULL || strcmp(yp, "C") == 0)
+		yp = "#{popup_centre_y}";
+	else if (strcmp(yp, "P") == 0)
+		yp = "#{popup_pane_bottom}";
+	else if (strcmp(yp, "M") == 0)
+		yp = "#{popup_mouse_top}";
+	else if (strcmp(yp, "L") == 0)
+		yp = "#{popup_last_y}";
+	else if (strcmp(yp, "S") == 0)
+		yp = "#{popup_status_line_y}";
+	else if (strcmp(yp, "W") == 0)
+		yp = "#{popup_window_status_line_y}";
+	p = format_expand(ft, yp);
+	n = strtol(p, NULL, 10);
+	if (n < h)
+		n = 0;
+	else
+		n -= h;
+	if (n + h >= tty->sy)
+		n = tty->sy - h;
+	else if (n < 0)
+		n = 0;
+	*py = n;
+	log_debug("%s: -y: %s = %s = %u (-h %u)", __func__, yp, p, *py, h);
+	free(p);
+
+	format_free(ft);
+	return (1);
+}
+
 static int
 cmd_display_menu_get_menu_pos(struct client *tc, struct cmdq_item *item,
     struct args *args, u_int *px, u_int *py, u_int w, u_int h)
@@ -285,7 +482,7 @@ cmd_display_menu_exec(struct cmd *self, struct cmdq_item *item)
 	enum box_lines		 lines = BOX_LINES_DEFAULT;
 	char			*title, *cause = NULL;
 	int			 flags = 0, starting_choice = 0;
-	u_int			 px, py, sx, sy, i, count = args_count(args);
+	u_int			 px, py, i, count = args_count(args);
 	struct options		*o = target->w->options;
 	struct options_entry	*oe;
 
@@ -334,6 +531,9 @@ cmd_display_menu_exec(struct cmd *self, struct cmdq_item *item)
 	}
 	if (menu->count == 0)
 		goto out;
+	if (!cmd_display_menu_get_menu_pos(tc, item, args, &px, &py,
+	    menu->width + 4, menu->count + 2))
+		goto out;
 
 	value = args_get(args, 'b');
 	if (value != NULL) {
@@ -344,11 +544,7 @@ cmd_display_menu_exec(struct cmd *self, struct cmdq_item *item)
 			cmdq_error(item, "menu-border-lines %s", cause);
 			goto fail;
 		}
-	} else
-		lines = options_get_number(o, "menu-border-lines");
-	menu_get_size(menu, lines, &sx, &sy);
-	if (!cmd_display_menu_get_menu_pos(tc, item, args, &px, &py, sx, sy))
-		goto out;
+	}
 
 	if (args_has(args, 'O'))
 		flags |= MENU_STAYOPEN;
@@ -369,22 +565,6 @@ fail:
 	return (CMD_RETURN_ERROR);
 }
 
-static enum pane_lines
-cmd_display_popup_get_lines(const char *value, char **cause)
-{
-	const struct options_table_entry	*oe;
-
-	if (value == NULL)
-		value = "single";
-	else if (strcmp(value, "rounded") == 0)
-		value = "single";
-	else if (strcmp(value, "padded") == 0)
-		value = "spaces";
-
-	oe = options_search("pane-border-lines");
-	return (options_find_choice(oe, value, cause));
-}
-
 static enum cmd_retval
 cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
 {
@@ -392,199 +572,148 @@ cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
 	struct cmd_find_state	*target = cmdq_get_target(item);
 	struct session		*s = target->s;
 	struct client		*tc = cmdq_get_target_client(item);
-	struct winlink		*wl = target->wl;
-	struct window		*w = wl->window;
-	struct window_pane	*wp = target->wp, *new_wp = NULL;
-	struct spawn_context	 sc = { 0 };
-	struct layout_cell	*lc = NULL;
-	struct layout_geometry	 lg;
-	struct event_payload	*ep;
-	struct cmd_find_state	 fs;
-	const char		*value, *style = args_get(args, 's');
+	struct tty		*tty = &tc->tty;
+	const char		*value, *shell, *shellcmd = NULL;
+	const char		*style = args_get(args, 's');
 	const char		*border_style = args_get(args, 'S');
-	char			*cause = NULL, *title = NULL;
-	enum pane_lines		 lines = PANE_LINES_SINGLE;
-	u_int			 px, py, sx, sy, count = args_count(args);
+	char			*cwd = NULL, *cause = NULL, **argv = NULL;
+	char			*title = NULL;
+	int			 modify = popup_present(tc);
+	int			 flags = -1, argc = 0;
+	enum box_lines		 lines = BOX_LINES_DEFAULT;
+	u_int			 px, py, w, h, count = args_count(args);
 	struct args_value	*av;
-	long long		 ll;
+	struct environ		*env = NULL;
+	struct options		*o = target->w->options;
+	struct options_entry	*oe;
 
 	if (args_has(args, 'C')) {
-		if (w->modal != NULL)
-			server_kill_pane(w->modal);
+		server_client_clear_overlay(tc);
 		return (CMD_RETURN_NORMAL);
 	}
 	if (tc->flags & CLIENT_CONTROL)
 		return (CMD_RETURN_NORMAL);
-	if (w->modal != NULL)
+	if (!modify && tc->overlay_draw != NULL)
 		return (CMD_RETURN_NORMAL);
 
+	if (!modify) {
+		h = tty->sy / 2;
+		if (args_has(args, 'h')) {
+			h = args_percentage(args, 'h', 1, tty->sy, tty->sy,
+			    &cause);
+			if (cause != NULL) {
+				cmdq_error(item, "height %s", cause);
+				goto fail;
+			}
+		}
+
+		w = tty->sx / 2;
+		if (args_has(args, 'w')) {
+			w = args_percentage(args, 'w', 1, tty->sx, tty->sx,
+			    &cause);
+			if (cause != NULL) {
+				cmdq_error(item, "width %s", cause);
+				goto fail;
+			}
+		}
+
+		if (w > tty->sx)
+			w = tty->sx;
+		if (h > tty->sy)
+			h = tty->sy;
+		if (!cmd_display_menu_get_popup_pos(tc, item, args, &px, &py,
+		    w, h))
+			goto out;
+
+		value = args_get(args, 'd');
+		if (value != NULL)
+			cwd = format_single_from_target(item, value);
+		else
+			cwd = xstrdup(server_client_get_cwd(tc, s));
+		if (count == 0) {
+			shellcmd = options_get_string(s->options,
+			    "default-command");
+		} else if (count == 1)
+			shellcmd = args_string(args, 0);
+		if (count <= 1 && (shellcmd == NULL || *shellcmd == '\0')) {
+			shellcmd = NULL;
+			shell = options_get_string(s->options, "default-shell");
+			if (!checkshell(shell))
+				shell = _PATH_BSHELL;
+			cmd_append_argv(&argc, &argv, shell);
+		} else
+			args_to_vector(args, &argc, &argv);
+
+		if (args_has(args, 'e') >= 1) {
+			env = environ_create();
+			av = args_first_value(args, 'e');
+			while (av != NULL) {
+				environ_put(env, av->string, 0);
+				av = args_next_value(av);
+			}
+		}
+	}
+
 	value = args_get(args, 'b');
 	if (args_has(args, 'B'))
-		lines = PANE_LINES_NONE;
+		lines = BOX_LINES_NONE;
 	else if (value != NULL) {
-		lines = cmd_display_popup_get_lines(value, &cause);
+		oe = options_get(o, "popup-border-lines");
+		lines = options_find_choice(options_table_entry(oe), value,
+		    &cause);
 		if (cause != NULL) {
-			cmdq_error(item, "pane-border-lines %s", cause);
+			cmdq_error(item, "popup-border-lines %s", cause);
 			goto fail;
 		}
 	}
 
-	sy = w->sy / 2;
-	if (args_has(args, 'h')) {
-		ll = args_percentage(args, 'h', 1, w->sy, w->sy, &cause);
-		if (cause != NULL) {
-			cmdq_error(item, "height %s", cause);
-			goto fail;
-		}
-		sy = ll;
-	}
-
-	sx = w->sx / 2;
-	if (args_has(args, 'w')) {
-		ll = args_percentage(args, 'w', 1, w->sx, w->sx, &cause);
-		if (cause != NULL) {
-			cmdq_error(item, "width %s", cause);
-			goto fail;
-		}
-		sx = ll;
-	}
-
-	if (sx > w->sx)
-		sx = w->sx;
-	if (sy > w->sy)
-		sy = w->sy;
-	if ((lines == PANE_LINES_NONE && (sx < 1 || sy < 1)) ||
-	    (lines != PANE_LINES_NONE && (sx < 3 || sy < 3)))
-		goto out;
-	if (!cmd_display_menu_get_menu_pos(tc, item, args, &px, &py, sx, sy))
-		goto out;
-
-	lg.sx = sx;
-	lg.sy = sy;
-	lg.xoff = px;
-	lg.yoff = py;
-	if (lines != PANE_LINES_NONE) {
-		lg.sx -= 2;
-		lg.sy -= 2;
-		lg.xoff++;
-		lg.yoff++;
-	}
-
-	window_push_zoom(w, 0, 1);
-	lc = layout_floating_pane(w, wp, &lg);
-	if (lc == NULL) {
-		window_pop_zoom(w);
-		goto out;
-	}
-
-	sc.item = item;
-	sc.s = s;
-	sc.wl = wl;
-	sc.tc = tc;
-	sc.wp0 = wp;
-	sc.lc = lc;
-	sc.idx = -1;
-	sc.cwd = args_get(args, 'd');
-	sc.flags = (SPAWN_FLOATING|SPAWN_MODAL|SPAWN_FLOATOVERZOOM);
-
-	if (count != 1 || *args_string(args, 0) != '\0')
-		args_to_vector(args, &sc.argc, &sc.argv);
-	sc.environ = environ_create();
-	av = args_first_value(args, 'e');
-	while (av != NULL) {
-		environ_put(sc.environ, av->string, 0);
-		av = args_next_value(av);
-	}
-
-	new_wp = spawn_pane(&sc, &cause);
-	if (new_wp == NULL) {
-		cmdq_error(item, "create pane failed: %s", cause);
-		free(cause);
-		cause = NULL;
-		window_pop_zoom(w);
-		goto fail;
-	}
-	window_pop_zoom(w);
-	new_wp->flags |= PANE_CAPTUREALLKEYS;
-	if (!args_has(args, 'E'))
-		new_wp->flags |= PANE_CLOSEONCANCEL;
-
-	options_set_number(new_wp->options, "pane-border-lines", lines);
-	if (args_has(args, 'E') > 1) {
-		if (args_has(args, 'k'))
-			options_set_number(new_wp->options, "remain-on-exit", 4);
-		else
-			options_set_number(new_wp->options, "remain-on-exit", 2);
-	} else if (args_has(args, 'E'))
-		options_set_number(new_wp->options, "remain-on-exit", 0);
-	else if (args_has(args, 'k'))
-		options_set_number(new_wp->options, "remain-on-exit", 3);
-	else
-		options_set_number(new_wp->options, "remain-on-exit", 1);
-	options_set_string(new_wp->options, "remain-on-exit-format", 0, "%s", "");
-
-	if (style != NULL) {
-		if (options_set_string(new_wp->options, "window-style", 0,
-		    "%s", style) == NULL) {
-			cmdq_error(item, "bad style: %s", style);
-			goto fail;
-		}
-		options_set_string(new_wp->options, "window-active-style", 0,
-		    "%s", style);
-		new_wp->flags |= (PANE_REDRAW|PANE_STYLECHANGED|
-		    PANE_THEMECHANGED);
-	}
-	if (border_style != NULL) {
-		if (options_set_string(new_wp->options, "pane-border-style", 0,
-		    "%s", border_style) == NULL) {
-			cmdq_error(item, "bad border style: %s", border_style);
-			goto fail;
-		}
-		options_set_string(new_wp->options, "pane-active-border-style",
-		    0, "%s", border_style);
-	}
 	if (args_has(args, 'T'))
 		title = format_single_from_target(item, args_get(args, 'T'));
-	if (title != NULL) {
-		options_set_number(new_wp->options, "pane-border-status",
-		    PANE_STATUS_TOP);
-		options_set_string(new_wp->options, "pane-border-format", 0,
-		    "%s", "#{pane_title}");
-		screen_set_title(&new_wp->base, title, 0);
-		ep = event_payload_create();
-		cmd_find_from_pane(&fs, new_wp, 0);
-		event_payload_set_target(ep, &fs);
-		event_payload_set_pane(ep, "pane", new_wp);
-		event_payload_set_window(ep, "window", new_wp->window);
-		event_payload_set_string(ep, "new_title", "%s", title);
-		events_fire("pane-title-changed", ep);
+	else
+		title = xstrdup("");
+
+	if (args_has(args, 'N') || !modify)
+		flags = 0;
+	if (args_has(args, 'E') > 1) {
+		if (flags == -1)
+			flags = 0;
+		flags |= POPUP_CLOSEEXITZERO;
+	} else if (args_has(args, 'E')) {
+		if (flags == -1)
+			flags = 0;
+		flags |= POPUP_CLOSEEXIT;
+	}
+	if (args_has(args, 'k')) {
+		if (flags == -1)
+			flags = 0;
+		flags |= POPUP_CLOSEANYKEY;
 	}
 
-	new_wp->wait_item = item;
-	server_redraw_session(s);
-	if (sc.argv != NULL)
-		cmd_free_argv(sc.argc, sc.argv);
-	environ_free(sc.environ);
+	if (modify) {
+		popup_modify(tc, title, style, border_style, lines, flags);
+		goto out;
+	}
+	if (popup_display(flags, lines, item, px, py, w, h, env, shellcmd, argc,
+	    argv, cwd, title, tc, s, style, border_style, NULL, NULL) != 0)
+		goto out;
+	environ_free(env);
+	free(cwd);
 	free(title);
+	cmd_free_argv(argc, argv);
 	return (CMD_RETURN_WAIT);
 
 out:
-	if (sc.argv != NULL)
-		cmd_free_argv(sc.argc, sc.argv);
-	environ_free(sc.environ);
+	cmd_free_argv(argc, argv);
+	environ_free(env);
+	free(cwd);
 	free(title);
 	return (CMD_RETURN_NORMAL);
 
 fail:
 	free(cause);
-	if (new_wp != NULL) {
-		server_client_remove_pane(new_wp);
-		layout_close_pane(new_wp);
-		window_remove_pane(new_wp->window, new_wp);
-	}
-	if (sc.argv != NULL)
-		cmd_free_argv(sc.argc, sc.argv);
-	environ_free(sc.environ);
+	cmd_free_argv(argc, argv);
+	environ_free(env);
+	free(cwd);
 	free(title);
 	return (CMD_RETURN_ERROR);
 }

cmd-display-message.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-display-message.c,v 1.66 2026/09/08 08:33:10 nicm Exp $ */
+/* $OpenBSD: cmd-display-message.c,v 1.65 2026/02/23 08:46:57 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -39,8 +39,8 @@ const struct cmd_entry cmd_display_message_entry = {
 	.name = "display-message",
 	.alias = "display",
 
-	.args = { "aCc:d:jlINpt:F:v", 0, 1, NULL },
-	.usage = "[-aCIjlNpv] [-c target-client] [-d delay] [-F format] "
+	.args = { "aCc:d:lINpt:F:v", 0, 1, NULL },
+	.usage = "[-aCIlNpv] [-c target-client] [-d delay] [-F format] "
 		 CMD_TARGET_PANE_USAGE " [message]",
 
 	.target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
@@ -67,15 +67,14 @@ cmd_display_message_exec(struct cmd *self, struct cmdq_item *item)
 	struct winlink		*wl = target->wl;
 	struct window_pane	*wp = target->wp;
 	const char		*template;
-	char			*msg, *cause = NULL;
+	char			*msg, *cause;
 	int			 delay = -1, flags, Nflag = args_has(args, 'N');
 	int			 Cflag = args_has(args, 'C');
 	struct format_tree	*ft;
 	u_int			 count = args_count(args);
 	struct evbuffer		*evb;
-	struct json_node	*jn;
 
-	if (args_has(args, 'I') && !args_has(args, 'j')) {
+	if (args_has(args, 'I')) {
 		if (wp == NULL)
 			return (CMD_RETURN_NORMAL);
 		switch (window_pane_start_input(wp, item, &cause)) {
@@ -108,9 +107,7 @@ cmd_display_message_exec(struct cmd *self, struct cmdq_item *item)
 		template = args_string(args, 0);
 	else
 		template = args_get(args, 'F');
-	if (args_has(args, 'j') && template == NULL)
-		template = "";
-	else if (template == NULL)
+	if (template == NULL)
 		template = DISPLAY_MESSAGE_TEMPLATE;
 
 	/*
@@ -132,7 +129,7 @@ cmd_display_message_exec(struct cmd *self, struct cmdq_item *item)
 	ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, flags);
 	format_defaults(ft, c, s, wl, wp);
 
-	if (args_has(args, 'a') && !args_has(args, 'j')) {
+	if (args_has(args, 'a')) {
 		format_each(ft, cmd_display_message_each, item);
 		format_free(ft);
 		return (CMD_RETURN_NORMAL);
@@ -142,19 +139,6 @@ cmd_display_message_exec(struct cmd *self, struct cmdq_item *item)
 		msg = xstrdup(template);
 	else
 		msg = format_expand_time(ft, template);
-	if (args_has(args, 'j')) {
-		jn = json_parse(msg, &cause);
-		if (jn == NULL) {
-			cmdq_error(item, "%s", cause);
-			free(cause);
-			free(msg);
-			format_free(ft);
-			return (CMD_RETURN_ERROR);
-		}
-		free(msg);
-		msg = json_to_string(jn);
-		json_destroy_node(jn);
-	}
 
 	if (cmdq_get_client(item) == NULL)
 		cmdq_error(item, "%s", msg);

cmd-find.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-find.c,v 1.88 2026/09/07 12:05:12 nicm Exp $ */
+/* $OpenBSD: cmd-find.c,v 1.87 2026/07/17 12:42:51 nicm Exp $ */
 
 /*
  * Copyright (c) 2015 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -388,11 +388,9 @@ cmd_find_get_window_with_session(struct cmd_find_state *fs, const char *window)
 
 	/* Try as an offset. */
 	if (!exact && (window[0] == '+' || window[0] == '-')) {
-		if (window[1] != '\0') {
-			n = strtonum(window + 1, 1, INT_MAX, &errstr);
-			if (errstr != NULL)
-				return (-1);
-		} else
+		if (window[1] != '\0')
+			n = strtonum(window + 1, 1, INT_MAX, NULL);
+		else
 			n = 1;
 		s = fs->s;
 		if (fs->flags & CMD_FIND_WINDOW_INDEX) {
@@ -628,11 +626,9 @@ cmd_find_get_pane_with_window(struct cmd_find_state *fs, const char *pane)
 
 	/* Try as an offset. */
 	if (pane[0] == '+' || pane[0] == '-') {
-		if (pane[1] != '\0') {
-			n = strtonum(pane + 1, 1, INT_MAX, &errstr);
-			if (errstr != NULL)
-				return (-1);
-		} else
+		if (pane[1] != '\0')
+			n = strtonum(pane + 1, 1, INT_MAX, NULL);
+		else
 			n = 1;
 		wp = fs->w->active;
 		if (pane[0] == '+')
@@ -888,13 +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 = fs->wl->window->active;
 		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);
@@ -935,6 +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.
@@ -943,7 +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];
@@ -1019,35 +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

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-join-pane.c,v 1.75 2026/09/21 10:33:16 nicm Exp $ */
+/* $OpenBSD: cmd-join-pane.c,v 1.74 2026/08/03 20:29:52 nicm Exp $ */
 
 /*
  * Copyright (c) 2011 George Nachman <tmux@georgester.com>
@@ -133,7 +133,7 @@ cmd_join_pane_place(struct cmdq_item *item, struct winlink *wl,
 	} else if (strcmp(position, "back") == 0) {
 		TAILQ_REMOVE(&w->z_index, wp, zentry);
 		TAILQ_FOREACH(owp, &w->z_index, zentry) {
-			if (!window_pane_is_floating_with_hidden(owp))
+			if (!window_pane_is_floating(owp))
 				break;
 		}
 		if (owp != NULL)
@@ -142,30 +142,24 @@ cmd_join_pane_place(struct cmdq_item *item, struct winlink *wl,
 			TAILQ_INSERT_TAIL(&w->z_index, wp, zentry);
 	} else if (strcmp(position, "forward") == 0) {
 		owp = TAILQ_PREV(wp, window_panes_zindex, zentry);
-		while (owp != NULL && owp->layout_cell == NULL)
-			owp = TAILQ_PREV(owp, window_panes_zindex, zentry);
 		if (owp != NULL) {
 			TAILQ_REMOVE(&w->z_index, wp, zentry);
 			TAILQ_INSERT_BEFORE(owp, wp, zentry);
 		}
 	} else if (strcmp(position, "backward") == 0) {
 		owp = TAILQ_NEXT(wp, zentry);
-		while (owp != NULL && owp->layout_cell == NULL)
-			owp = TAILQ_NEXT(owp, zentry);
 		if (owp != NULL && window_pane_is_floating(owp)) {
 			TAILQ_REMOVE(&w->z_index, wp, zentry);
 			TAILQ_INSERT_AFTER(&w->z_index, owp, wp, zentry);
 		}
 	} else if (strcmp(position, "forward-loop") == 0) {
 		owp = TAILQ_PREV(wp, window_panes_zindex, zentry);
-		while (owp != NULL && owp->layout_cell == NULL)
-			owp = TAILQ_PREV(owp, window_panes_zindex, zentry);
 		TAILQ_REMOVE(&w->z_index, wp, zentry);
 		if (owp != NULL)
 			TAILQ_INSERT_BEFORE(owp, wp, zentry);
 		else {
 			TAILQ_FOREACH(owp, &w->z_index, zentry) {
-				if (!window_pane_is_floating_with_hidden(owp))
+				if (!window_pane_is_floating(owp))
 					break;
 			}
 			if (owp != NULL)
@@ -175,8 +169,6 @@ cmd_join_pane_place(struct cmdq_item *item, struct winlink *wl,
 		}
 	} else if (strcmp(position, "backward-loop") == 0) {
 		owp = TAILQ_NEXT(wp, zentry);
-		while (owp != NULL && owp->layout_cell == NULL)
-			owp = TAILQ_NEXT(owp, zentry);
 		if (owp != NULL && window_pane_is_floating(owp)) {
 			TAILQ_REMOVE(&w->z_index, wp, zentry);
 			TAILQ_INSERT_AFTER(&w->z_index, owp, wp, zentry);
@@ -355,10 +347,8 @@ cmd_join_pane_zindex(struct cmdq_item *item, struct winlink *wl,
 
 	n = 0;
 	TAILQ_FOREACH(owp, &w->z_index, zentry) {
-		if (!window_pane_is_floating_with_hidden(owp))
+		if (!window_pane_is_floating(owp))
 			break;
-		if (owp->layout_cell == NULL)
-			continue;
 		if (n >= z)
 			break;
 		n++;
@@ -423,13 +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;
@@ -437,6 +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'))
@@ -453,6 +450,7 @@ cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
 				cmdq_error(item, "pane is not floating");
 				return (CMD_RETURN_ERROR);
 			}
+			server_unzoom_window(dst_w);
 			if ((s = args_get(args, 'P')) != NULL)
 				return (cmd_join_pane_place(item, dst_wl, dst_wp, s));
 			if ((s = args_get(args, 'z')) != NULL)
@@ -521,9 +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-list-panes.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-panes.c,v 1.41 2026/09/08 10:20:08 nicm Exp $ */
+/* $OpenBSD: cmd-list-panes.c,v 1.40 2026/06/01 14:01:09 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -97,7 +97,6 @@ cmd_list_panes_window(struct cmd *self, struct session *s, struct winlink *wl,
     struct cmdq_item *item, int type)
 {
 	struct args		*args = cmd_get_args(self);
-	struct client		*c = cmdq_get_client(item);
 	struct window_pane	*wp, **l;
 	u_int			 i, n;
 	struct format_tree	*ft;
@@ -148,7 +147,7 @@ cmd_list_panes_window(struct cmd *self, struct session *s, struct winlink *wl,
 		wp = l[i];
 		ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
 		format_add(ft, "line", "%u", n);
-		format_defaults(ft, c, s, wl, wp);
+		format_defaults(ft, NULL, s, wl, wp);
 
 		if (filter != NULL) {
 			expanded = format_expand(ft, filter);

cmd-list-sessions.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-sessions.c,v 1.37 2026/09/08 10:20:08 nicm Exp $ */
+/* $OpenBSD: cmd-list-sessions.c,v 1.36 2026/02/27 08:25:12 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -53,7 +53,6 @@ static enum cmd_retval
 cmd_list_sessions_exec(struct cmd *self, struct cmdq_item *item)
 {
 	struct args		 *args = cmd_get_args(self);
-	struct client		 *c = cmdq_get_client(item);
 	struct session		**l;
 	u_int		 	  n, i;
 	struct format_tree	 *ft;
@@ -77,7 +76,7 @@ cmd_list_sessions_exec(struct cmd *self, struct cmdq_item *item)
 	for (i = 0; i < n; i++) {
 		ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
 		format_add(ft, "line", "%u", i);
-		format_defaults(ft, c, l[i], NULL, NULL);
+		format_defaults(ft, NULL, l[i], NULL, NULL);
 
 		if (filter != NULL) {
 			expanded = format_expand(ft, filter);

cmd-list-windows.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-windows.c,v 1.51 2026/09/08 10:20:08 nicm Exp $ */
+/* $OpenBSD: cmd-list-windows.c,v 1.50 2026/02/27 08:25:12 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -60,7 +60,6 @@ cmd_list_windows_exec(struct cmd *self, struct cmdq_item *item)
 {
 	struct args		*args = cmd_get_args(self);
 	struct cmd_find_state	*target = cmdq_get_target(item);
-	struct client		*c = cmdq_get_client(item);
 	struct winlink		*wl, **l;
 	struct session		*s;
 	u_int			 i, n;
@@ -95,7 +94,7 @@ cmd_list_windows_exec(struct cmd *self, struct cmdq_item *item)
 		s = wl->session;
 		ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
 		format_add(ft, "line", "%u", n);
-		format_defaults(ft, c, s, wl, NULL);
+		format_defaults(ft, NULL, s, wl, NULL);
 
 		if (filter != NULL) {
 			expanded = format_expand(ft, filter);

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-parse.y

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-parse.y,v 1.60 2026/09/08 10:20:08 nicm Exp $ */
+/* $OpenBSD: cmd-parse.y,v 1.59 2026/08/31 07:51:56 nicm Exp $ */
 
 /*
  * Copyright (c) 2019 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -210,7 +210,7 @@ expanded	: format
 				cmd_find_from_client(&fs, c, 0);
 				fsp = &fs;
 			}
-			ft = format_create(c, pi->item, FORMAT_NONE, flags);
+			ft = format_create(NULL, pi->item, FORMAT_NONE, flags);
 			format_defaults(ft, c, fsp->s, fsp->wl, fsp->wp);
 
 			$$ = format_expand(ft, $1);

cmd-queue.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-queue.c,v 1.124 2026/09/22 06:46:50 nicm Exp $ */
+/* $OpenBSD: cmd-queue.c,v 1.123 2026/08/24 20:34:26 nicm Exp $ */
 
 /*
  * Copyright (c) 2013 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -580,9 +580,6 @@ cmdq_fire_command(struct cmdq_item *item)
 	int			 flags, quiet = 0;
 	char			*tmp;
 
-	if (item->client != NULL && (item->client->flags & CLIENT_DEAD))
-		return (CMD_RETURN_ERROR);
-
 	if (cfg_finished)
 		cmdq_add_message(item);
 	if (log_get_level() > 1) {

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-resize-pane.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-resize-pane.c,v 1.69 2026/09/21 10:33:16 nicm Exp $ */
+/* $OpenBSD: cmd-resize-pane.c,v 1.68 2026/08/31 07:44:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -91,8 +91,7 @@ cmd_resize_pane_exec(struct cmd *self, struct cmdq_item *item)
 		server_redraw_window(w);
 		return (CMD_RETURN_NORMAL);
 	}
-	if (!window_pane_is_floating(wp))
-		server_unzoom_window(w);
+	server_unzoom_window(w);
 	lc = wp->layout_cell; /* may have been replaced by unzoom */
 
 	if (args_has(args, 'x')) {

cmd-run-shell.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-run-shell.c,v 1.95 2026/09/20 07:59:55 nicm Exp $ */
+/* $OpenBSD: cmd-run-shell.c,v 1.94 2026/08/25 06:04:33 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -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;
+	struct session			*s;
 	struct window_pane		*wp = NULL;
+	struct window			*w;
 	struct cmd_find_state		 fs;
 	struct window_mode_entry	*wme;
 
@@ -90,8 +93,12 @@ 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;
+		c = cdata->client;
+		if (c != NULL && c->session != NULL) {
+			s = c->session;
+			w = active_get_effective_window(c, s);
+			wp = w->active;
+		}
 		if (wp == NULL && cmd_find_from_nothing(&fs, 0) == 0)
 			wp = fs.wp;
 		if (wp == NULL)
@@ -164,7 +171,7 @@ cmd_run_shell_exec(struct cmd *self, struct cmdq_item *item)
 	if (cdata->client != NULL)
 		cdata->client->references++;
 	if (args_has(args, 'c'))
-		cdata->cwd = format_single_from_target(item, args_get(args, 'c'));
+		cdata->cwd = xstrdup(args_get(args, 'c'));
 	else
 		cdata->cwd = xstrdup(server_client_get_cwd(c, s));
 

cmd-select-layout.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-select-layout.c,v 1.45 2026/09/09 07:03:39 nicm Exp $ */
+/* $OpenBSD: cmd-select-layout.c,v 1.43 2026/07/10 13:38:45 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -73,13 +73,12 @@ cmd_select_layout_exec(struct cmd *self, struct cmdq_item *item)
 {
 	struct args		*args = cmd_get_args(self);
 	struct cmd_find_state	*target = cmdq_get_target(item);
-	struct client		*c = cmdq_get_target_client(item);
 	struct winlink		*wl = target->wl;
 	struct window		*w = wl->window;
 	struct window_pane	*wp = target->wp;
 	const char		*layoutname;
-	char			*oldlayout, *cause = NULL;
-	int			 next, previous, layout, flags = 0;
+	char			*oldlayout, *cause;
+	int			 next, previous, layout;
 
 	server_unzoom_window(w);
 
@@ -90,12 +89,8 @@ cmd_select_layout_exec(struct cmd *self, struct cmdq_item *item)
 	if (args_has(args, 'p'))
 		previous = 1;
 
-	if (c != NULL &&
-	    (c->flags & CLIENT_CONTROL) &&
-	    (~c->flags & CLIENT_CONTROL_NEWLAYOUTS))
-		flags |= LAYOUT_CUSTOM_OLD_FORMAT;
 	oldlayout = w->old_layout;
-	w->old_layout = layout_dump(w, w->layout_root, flags);
+	w->old_layout = layout_dump(w, w->layout_root);
 
 	if (next || previous) {
 		if (next)

cmd-select-pane.c

@@ -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;

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_window_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-split-window.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-split-window.c,v 1.151 2026/09/10 11:02:18 nicm Exp $ */
+/* $OpenBSD: cmd-split-window.c,v 1.150 2026/08/20 09:19:24 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -40,8 +40,8 @@ const struct cmd_entry cmd_new_pane_entry = {
 	.name = "new-pane",
 	.alias = "newp",
 
-	.args = { "AbB:Cc:Dde:EfF:hIkl:KLMm:Op:PR:s:S:t:T:vWx:X:y:Y:Z", 0, -1, NULL },
-	.usage = "[-AbCDefhIkKLMOPvWZ] [-B border-lines] "
+	.args = { "AbB:Cc:de:EfF:hIkl:KLMm:Op:PR:s:S:t:T:vWx:X:y:Y:Z", 0, -1, NULL },
+	.usage = "[-AbCdefhIkKLMOPvWZ] [-B border-lines] "
 		 "[-c start-directory] [-e environment] "
 		 "[-F format] [-l size] [-m message] [-p percentage] "
 		 "[-s style] [-S active-border-style] "
@@ -219,8 +219,6 @@ cmd_split_window_exec(struct cmd *self, struct cmdq_item *item)
 		new_wp->flags |= PANE_CAPTUREALLKEYS;
 	if (args_has(args, 'C') && args_has(args, 'O'))
 		new_wp->flags |= PANE_CLOSEONCLICK;
-	if (args_has(args, 'D') && args_has(args, 'O'))
-		new_wp->flags |= PANE_CLOSEONCANCEL;
 
 	style = args_get(args, 's');
 	if (style != NULL) {

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);
 		}
 	}
 

cmd-wait-for.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-wait-for.c,v 1.24 2026/09/22 06:46:50 nicm Exp $ */
+/* $OpenBSD: cmd-wait-for.c,v 1.23 2026/07/10 13:38:45 nicm Exp $ */
 
 /*
  * Copyright (c) 2013 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -480,40 +480,6 @@ cmd_wait_for_unlock(struct cmdq_item *item, const char *name,
 	return (CMD_RETURN_NORMAL);
 }
 
-void
-cmd_wait_for_client_lost(struct client *c)
-{
-	struct wait_channel	*wc, *wc1;
-	struct wait_item	*wi, *wi1;
-	struct wait_event_item	*wei, *wei1;
-
-	TAILQ_FOREACH_SAFE(wei, &wait_event_items, entry, wei1) {
-		if (cmdq_get_client(wei->item) == c) {
-			TAILQ_REMOVE(&wait_event_items, wei, entry);
-			cmdq_continue(wei->item);
-			cmd_wait_for_event_free(wei);
-		}
-	}
-
-	RB_FOREACH_SAFE(wc, wait_channels, &wait_channels, wc1) {
-		TAILQ_FOREACH_SAFE(wi, &wc->waiters, entry, wi1) {
-			if (cmdq_get_client(wi->item) == c) {
-				cmdq_continue(wi->item);
-				TAILQ_REMOVE(&wc->waiters, wi, entry);
-				free(wi);
-			}
-		}
-		TAILQ_FOREACH_SAFE(wi, &wc->lockers, entry, wi1) {
-			if (cmdq_get_client(wi->item) == c) {
-				cmdq_continue(wi->item);
-				TAILQ_REMOVE(&wc->lockers, wi, entry);
-				free(wi);
-			}
-		}
-		cmd_wait_for_remove_empty(wc);
-	}
-}
-
 void
 cmd_wait_for_flush(void)
 {

configure.ac

@@ -1,6 +1,6 @@
 # configure.ac
 
-AC_INIT([tmux], next-3.9)
+AC_INIT([tmux], next-3.8)
 AC_PREREQ([2.60])
 
 AC_CONFIG_AUX_DIR(etc)

control-notify.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: control-notify.c,v 1.39 2026/09/08 10:20:08 nicm Exp $ */
+/* $OpenBSD: control-notify.c,v 1.38 2026/08/03 13:38:42 nicm Exp $ */
 
 /*
  * Copyright (c) 2012 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -70,7 +70,6 @@ control_window_layout_changed_cb(__unused const char *name,
 	struct session		*s;
 	struct winlink		*wl;
 	struct window		*w = event_payload_get_window(ep, "window");
-	struct format_tree	*ft;
 	const char		*template;
 	char			*cp;
 
@@ -85,25 +84,19 @@ control_window_layout_changed_cb(__unused const char *name,
 	 * and we don't need to inform the client about the layout change
 	 * because the whole window will go away soon.
 	 */
-	if (TAILQ_FIRST(&w->winlinks) == NULL || w->layout_root == NULL)
+	wl = TAILQ_FIRST(&w->winlinks);
+	if (wl == NULL || w->layout_root == NULL)
 		return;
+	cp = format_single(NULL, template, NULL, NULL, wl, NULL);
 
 	TAILQ_FOREACH(c, &clients, entry) {
 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
 			continue;
 		s = c->session;
-		wl = winlink_find_by_window_id(&s->windows, w->id);
-		if (wl == NULL)
-			continue;
-
-		ft = format_create(c, NULL, FORMAT_NONE, 0);
-		format_defaults(ft, c, s, wl, NULL);
-		cp = format_expand(ft, template);
-		format_free(ft);
-
-		control_notify_write(c, "%s", cp);
-		free(cp);
+		if (winlink_find_by_window_id(&s->windows, w->id) != NULL)
+			control_notify_write(c, "%s", cp);
 	}
+	free(cp);
 }
 
 /* Notify control clients that window pane changed. */
@@ -229,6 +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,
@@ -366,6 +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 1.68 2026/09/09 08:30:05 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>
@@ -108,7 +108,6 @@ struct control_state {
 	u_int				 pending_count;
 
 	TAILQ_HEAD(, control_block)	 all_blocks;
-	size_t				 queued_reply_bytes;
 
 	struct bufferevent		*read_event;
 	struct bufferevent		*write_event;
@@ -133,9 +132,6 @@ struct control_state {
 /* Maximum age for clients that are not using pause mode. */
 #define CONTROL_MAXIMUM_AGE 300000
 
-/* Maximum buffered command replies for a client that is not reading. */
-#define CONTROL_MAXIMUM_REPLY_BUFFER (64 * 1024 * 1024)
-
 /* Flags to ignore client. */
 #define CONTROL_IGNORE_FLAGS \
 	(CLIENT_CONTROL_NOOUTPUT| \
@@ -169,15 +165,6 @@ RB_GENERATE_STATIC(control_windows, control_window, entry, control_window_cmp);
 static void
 control_free_block(struct control_state *cs, struct control_block *cb)
 {
-	size_t	 size;
-
-	if (cb->size == 0 && cb->line != NULL) {
-		size = strlen(cb->line) + 1;
-		if (cs->queued_reply_bytes > size)
-			cs->queued_reply_bytes -= size;
-		else
-			cs->queued_reply_bytes = 0;
-	}
 	free(cb->line);
 	TAILQ_REMOVE(&cs->all_blocks, cb, all_entry);
 	free(cb);
@@ -420,52 +407,16 @@ control_reset_pane(struct client *c, struct window_pane *wp)
 	memcpy(&cp->queued, &wp->offset, sizeof cp->queued);
 }
 
-/*
- * Check if the replies buffered for a client, including one about to be
- * added, have grown too large and kill it if so. Returns 1 if further output
- * for the client should be dropped.
- */
-static int
-control_check_reply_buffer(struct client *c, size_t added)
-{
-	struct control_state	*cs = c->control_state;
-	size_t			 size;
-
-	if (c->flags & CLIENT_CONTROL_DISCARD)
-		return (1);
-	size = EVBUFFER_LENGTH(cs->write_event->output);
-	size += cs->queued_reply_bytes;
-	size += added;
-	if (size < CONTROL_MAXIMUM_REPLY_BUFFER)
-		return (0);
-
-	log_debug("%s: %s: %zu bytes of replies buffered", __func__, c->name,
-	    size);
-	if (~c->flags & CLIENT_EXIT) {
-		c->exit_message = xstrdup("too far behind");
-		c->flags |= CLIENT_EXIT;
-		control_discard(c);
-	}
-	c->flags |= CLIENT_CONTROL_DISCARD;
-	return (1);
-}
-
 /* Write an already-formatted line, queueing it behind %output if needed. */
 static void
 control_write_line(struct client *c, char *line)
 {
 	struct control_state	*cs = c->control_state;
 	struct control_block	*cb;
-	size_t			 size = strlen(line) + 1;
-
-	if (control_check_reply_buffer(c, size)) {
-		free(line);
-		return;
-	}
 
 	if (TAILQ_EMPTY(&cs->all_blocks)) {
 		log_debug("%s: %s: writing line: %s", __func__, c->name, line);
-		bufferevent_write(cs->write_event, line, size - 1);
+		bufferevent_write(cs->write_event, line, strlen(line));
 		bufferevent_write(cs->write_event, "\n", 1);
 		bufferevent_enable(cs->write_event, EV_WRITE);
 		free(line);
@@ -475,7 +426,6 @@ control_write_line(struct client *c, char *line)
 	cb = xcalloc(1, sizeof *cb);
 	cb->line = line;
 	TAILQ_INSERT_TAIL(&cs->all_blocks, cb, all_entry);
-	cs->queued_reply_bytes += size;
 	cb->t = get_timer();
 
 	log_debug("%s: %s: storing line: %s", __func__, c->name, cb->line);
@@ -505,12 +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);
@@ -533,9 +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++;
 
@@ -560,9 +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);
@@ -1057,7 +997,6 @@ control_discard_all(struct client *c)
 	control_discard(c);
 	TAILQ_FOREACH_SAFE(cb, &cs->all_blocks, all_entry, cb1)
 		control_free_block(cs, cb);
-	cs->queued_reply_bytes = 0;
 	bufferevent_disable(cs->write_event, EV_WRITE);
 }
 

format.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: format.c,v 1.418 2026/09/20 08:19:31 nicm Exp $ */
+/* $OpenBSD: format.c,v 1.415 2026/08/31 19:34:09 nicm Exp $ */
 
 /*
  * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -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);
@@ -855,42 +855,26 @@ format_cb_window_active_clients_list(struct format_tree *ft)
 static void *
 format_cb_window_layout(struct format_tree *ft)
 {
-	struct client		*c = ft->client;
-	struct window		*w = ft->w;
-	struct layout_cell	*lcroot;
-	int			 flags = 0;
+	struct window	*w = ft->w;
 
 	if (w == NULL)
 		return (NULL);
 
 	if (w->saved_layout_root != NULL)
-		lcroot = w->saved_layout_root;
-	else
-		lcroot = w->layout_root;
-
-	if (c != NULL &&
-	    (c->flags & CLIENT_CONTROL) &&
-	    (~c->flags & CLIENT_CONTROL_NEWLAYOUTS))
-		flags |= LAYOUT_CUSTOM_OLD_FORMAT;
-	return (layout_dump(w, lcroot, flags));
+		return (layout_dump(w, w->saved_layout_root));
+	return (layout_dump(w, w->layout_root));
 }
 
 /* Callback for window_visible_layout. */
 static void *
 format_cb_window_visible_layout(struct format_tree *ft)
 {
-	struct client	*c = ft->client;
 	struct window	*w = ft->w;
-	int		 flags = 0;
 
 	if (w == NULL)
 		return (NULL);
 
-	if (c != NULL &&
-	    (c->flags & CLIENT_CONTROL) &&
-	    (~c->flags & CLIENT_CONTROL_NEWLAYOUTS))
-		flags |= LAYOUT_CUSTOM_OLD_FORMAT;
-	return (layout_dump(w, w->layout_root, flags));
+	return (layout_dump(w, w->layout_root));
 }
 
 /* Callback for pane_start_command. */
@@ -2876,10 +2860,10 @@ format_cb_session_activity_flag(struct format_tree *ft)
 
 	if (ft->s != NULL) {
 		RB_FOREACH(wl, winlinks, &ft->s->windows) {
-			if (wl->flags & WINLINK_ACTIVITY)
+			if (ft->wl->flags & WINLINK_ACTIVITY)
 				return (xstrdup("1"));
+			return (xstrdup("0"));
 		}
-		return (xstrdup("0"));
 	}
 	return (NULL);
 }
@@ -2894,8 +2878,8 @@ format_cb_session_bell_flag(struct format_tree *ft)
 		RB_FOREACH(wl, winlinks, &ft->s->windows) {
 			if (wl->flags & WINLINK_BELL)
 				return (xstrdup("1"));
+			return (xstrdup("0"));
 		}
-		return (xstrdup("0"));
 	}
 	return (NULL);
 }
@@ -2908,10 +2892,10 @@ format_cb_session_silence_flag(struct format_tree *ft)
 
 	if (ft->s != NULL) {
 		RB_FOREACH(wl, winlinks, &ft->s->windows) {
-			if (wl->flags & WINLINK_SILENCE)
+			if (ft->wl->flags & WINLINK_SILENCE)
 				return (xstrdup("1"));
+			return (xstrdup("0"));
 		}
-		return (xstrdup("0"));
 	}
 	return (NULL);
 }
@@ -3082,11 +3066,48 @@ 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)
@@ -3104,8 +3125,11 @@ 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"));
 	}
@@ -3185,7 +3209,7 @@ 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);
 }
 
@@ -3372,7 +3396,7 @@ 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);
 }
 
@@ -3582,9 +3606,15 @@ 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
 	},
@@ -3762,6 +3792,9 @@ 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
 	},
@@ -5250,7 +5283,6 @@ format_loop_sessions(struct format_expand_state *es, const char *fmt)
 		format_log(es, "session loop: $%u", s->id);
 		if (active != NULL &&
 		    ft->c != NULL &&
-		    ft->c->session != NULL &&
 		    s->id == ft->c->session->id)
 			use = active;
 		else
@@ -5312,15 +5344,18 @@ 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);
@@ -5348,10 +5383,10 @@ 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;
 
@@ -5360,9 +5395,9 @@ 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();
@@ -5370,12 +5405,13 @@ 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);
@@ -5384,11 +5420,11 @@ 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");
@@ -5408,7 +5444,7 @@ 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)
@@ -6996,7 +7032,7 @@ 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;
 

fuzz/input-fuzzer.c

@@ -44,7 +44,7 @@ LLVMFuzzerTestOneInput(const u_char *data, size_t size)
 	w = window_create(PANE_WIDTH, PANE_HEIGHT, 0, 0);
 	wp = window_add_pane(w, NULL, 0, 0);
 	bufferevent_pair_new(libevent, BEV_OPT_CLOSE_ON_FREE, vpty);
-	wp->ictx = input_init(wp, vpty[0], NULL);
+	wp->ictx = input_init(wp, vpty[0], NULL, NULL);
 	window_add_ref(w, __func__);
 
 	wp->fd = open("/dev/null", O_WRONLY);

input.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: input.c,v 1.272 2026/09/21 10:22:31 nicm Exp $ */
+/* $OpenBSD: input.c,v 1.271 2026/08/31 19:34:09 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -101,6 +101,7 @@ struct input_ctx {
 	struct bufferevent	       *event;
 	struct screen_write_ctx		ctx;
 	struct colour_palette	       *palette;
+	struct client		       *c;
 
 	struct input_cell		cell;
 	struct input_cell		old_cell;
@@ -873,7 +874,7 @@ input_restore_state(struct input_ctx *ictx)
 /* Initialise input parser. */
 struct input_ctx *
 input_init(struct window_pane *wp, struct bufferevent *bev,
-    struct colour_palette *palette)
+    struct colour_palette *palette, struct client *c)
 {
 	struct input_ctx	*ictx;
 
@@ -881,6 +882,7 @@ input_init(struct window_pane *wp, struct bufferevent *bev,
 	ictx->wp = wp;
 	ictx->event = bev;
 	ictx->palette = palette;
+	ictx->c = c;
 
 	ictx->input_space = INPUT_BUF_START;
 	ictx->input_buf = xmalloc(INPUT_BUF_START);
@@ -3423,9 +3425,15 @@ input_osc_52(struct input_ctx *ictx, const char *p)
 		return;
 
 	if (wp == NULL) {
-		free(out);
-		return;
+		/* Popup window. */
+		if (ictx->c == NULL) {
+			free(out);
+			return;
+		}
+		tty_set_selection(&ictx->c->tty, clip, out, outlen);
+		paste_add(NULL, out, outlen);
 	} else {
+		/* Normal window. */
 		screen_write_start_pane(&ctx, wp, NULL);
 		screen_write_setselection(&ctx, clip, out, outlen);
 		screen_write_stop(&ctx);

key-bindings.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: key-bindings.c,v 1.193 2026/09/21 20:45:48 nicm Exp $ */
+/* $OpenBSD: key-bindings.c,v 1.192 2026/08/06 09:05:04 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -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 \
@@ -523,7 +525,7 @@ key_bindings_init(void)
 		"bind -n TripleClick1Pane { select-pane -t=; if -F '#{||:#{pane_in_mode},#{mouse_any_flag}}' { send -M } { copy-mode -H; send -X select-line; run -d0.3; send -X copy-pipe-and-cancel } }",
 
 		/* Mouse button 1 on border. */
-		"bind -n MouseDown1Border { select-pane -t= }",
+		"bind -n MouseDown1Border { select-pane -M }",
 
 		/* Mouse button 1 drag on border. */
 		"bind -n MouseDrag1Border { resize-pane -M }",

layout.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: layout.c,v 1.101 2026/09/20 08:42:46 nicm Exp $ */
+/* $OpenBSD: layout.c,v 1.98 2026/08/25 18:38:05 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -106,7 +106,7 @@ layout_free_cell(struct layout_cell *lc, int only_nodes)
 		}
 		break;
 	case LAYOUT_WINDOWPANE:
-		if (lc->wp != NULL && lc->wp->layout_cell != NULL) {
+		if (lc->wp != NULL) {
 			lc->wp->layout_cell->parent = NULL;
 			lc->wp->layout_cell = NULL;
 		}
@@ -233,6 +233,29 @@ layout_make_node(struct layout_cell *lc, enum layout_type type)
 	lc->wp = NULL;
 }
 
+/* Fix z-indexes. */
+void
+layout_fix_zindexes(struct window *w, struct layout_cell *lc)
+{
+	struct layout_cell	*lcchild;
+
+	if (lc == NULL)
+		return;
+
+	switch (lc->type) {
+	case LAYOUT_WINDOWPANE:
+		TAILQ_INSERT_TAIL(&w->z_index, lc->wp, zentry);
+		break;
+	case LAYOUT_LEFTRIGHT:
+	case LAYOUT_TOPBOTTOM:
+		TAILQ_FOREACH(lcchild, &lc->cells, entry)
+			layout_fix_zindexes(w, lcchild);
+		return;
+	default:
+		fatalx("bad layout type");
+	}
+}
+
 int
 layout_cell_is_tiled(struct layout_cell *lc)
 {
@@ -242,7 +265,7 @@ layout_cell_is_tiled(struct layout_cell *lc)
 	return is_leaf && !is_floating;
 }
 
-int
+static int
 layout_cell_has_tiled_child(struct layout_cell *lc)
 {
 	struct layout_cell      *lcchild;
@@ -486,20 +509,18 @@ layout_fix_panes(struct window *w, struct window_pane *skip)
 
 /* Count the number of available cells in a layout. */
 u_int
-layout_count_cells(struct layout_cell *lc, int with_floating)
+layout_count_cells(struct layout_cell *lc)
 {
 	struct layout_cell	*lcchild;
 	u_int			 count = 0;
 
 	switch (lc->type) {
 	case LAYOUT_WINDOWPANE:
-		if (lc->flags & LAYOUT_CELL_FLOATING && !with_floating)
-			return 0;
 		return (1);
 	case LAYOUT_LEFTRIGHT:
 	case LAYOUT_TOPBOTTOM:
 		TAILQ_FOREACH(lcchild, &lc->cells, entry)
-			count += layout_count_cells(lcchild, with_floating);
+			count += layout_count_cells(lcchild);
 		return (count);
 	default:
 		fatalx("bad layout type");
@@ -700,7 +721,7 @@ layout_destroy_cell(struct window *w, struct layout_cell *lc,
 	/* If no parent, this is the last pane in a window. */
 	lcparent = lc->parent;
 	if (lcparent == NULL) {
-		if (*lcroot == lc)
+		if (lc->wp != NULL)
 			*lcroot = NULL;
 		layout_free_cell(lc, 0);
 		return;
@@ -768,49 +789,6 @@ layout_free(struct window *w, int only_nodes)
 	layout_free_cell(w->layout_root, only_nodes);
 }
 
-/* Move and resize floating panes so they stay inside the window. */
-static void
-layout_clamp_floating_panes(struct window *w, u_int sx, u_int sy)
-{
-	struct window_pane	*wp;
-	struct layout_cell	*lc;
-	u_int			 pad, avail, csx, csy;
-
-	TAILQ_FOREACH(wp, &w->z_index, zentry) {
-		lc = wp->layout_cell;
-		if (lc == NULL || (~lc->flags & LAYOUT_CELL_FLOATING))
-			continue;
-		if (window_pane_get_pane_lines(wp) == PANE_LINES_NONE)
-			pad = 0;
-		else
-			pad = 1;
-
-		csx = lc->g.sx;
-		avail = (sx > 2 * pad) ? sx - 2 * pad : 0;
-		if (csx > avail)
-			csx = (avail > PANE_MINIMUM) ? avail : PANE_MINIMUM;
-		csy = lc->g.sy;
-		avail = (sy > 2 * pad) ? sy - 2 * pad : 0;
-		if (csy > avail)
-			csy = (avail > PANE_MINIMUM) ? avail : PANE_MINIMUM;
-		if (csx != lc->g.sx || csy != lc->g.sy)
-			layout_set_size(lc, csx, csy, lc->g.xoff, lc->g.yoff);
-
-		if (lc->g.xoff + lc->g.sx + pad > sx) {
-			if (lc->g.sx + 2 * pad >= sx)
-				lc->g.xoff = pad;
-			else
-				lc->g.xoff = sx - lc->g.sx - pad;
-		}
-		if (lc->g.yoff + lc->g.sy + pad > sy) {
-			if (lc->g.sy + 2 * pad >= sy)
-				lc->g.yoff = pad;
-			else
-				lc->g.yoff = sy - lc->g.sy - pad;
-		}
-	}
-}
-
 /* Resize the entire layout after window resize. */
 void
 layout_resize(struct window *w, u_int sx, u_int sy)
@@ -831,11 +809,8 @@ layout_resize(struct window *w, u_int sx, u_int sy)
 	 * out proportionately - this should leave the layout fitting the new
 	 * window size.
 	 */
-	if (lc->type == LAYOUT_WINDOWPANE && (lc->flags & LAYOUT_CELL_FLOATING)) {
-		layout_clamp_floating_panes(w, sx, sy);
-		layout_fix_panes(w, NULL);
+	if (lc->type == LAYOUT_WINDOWPANE && (lc->flags & LAYOUT_CELL_FLOATING))
 		return;
-	}
 	xchange = sx - lc->g.sx;
 	xlimit = layout_resize_check(w, lc, LAYOUT_LEFTRIGHT);
 	if (xchange < 0 && xchange < -xlimit)
@@ -865,7 +840,6 @@ layout_resize(struct window *w, u_int sx, u_int sy)
 
 	/* Fix cell offsets. */
 	layout_fix_offsets(w);
-	layout_clamp_floating_panes(w, sx, sy);
 	layout_fix_panes(w, NULL);
 }
 
@@ -1728,7 +1702,7 @@ layout_floating_args_parse(struct cmdq_item *item, struct args *args,
     enum pane_lines lines, struct window *w, struct layout_geometry *lg,
     char **cause)
 {
-	int	 sx, sy, ox, oy, pad;
+	int	 sx, sy, ox, oy;
 	char	*error = NULL;
 
 	sx = lg->sx == UINT_MAX ? w->sx / 2 : lg->sx;
@@ -1777,20 +1751,12 @@ layout_floating_args_parse(struct cmdq_item *item, struct args *args,
 		}
 	}
 
-	if (!window_has_floating_panes(w)) {
-		w->last_new_pane_x = 0;
-		w->last_new_pane_y = 0;
-	}
 	if (ox == INT_MAX) {
 		if (w->last_new_pane_x == 0)
 			ox = 4;
 		else {
-			if (lines != PANE_LINES_NONE)
-				pad = 1;
-			else
-				pad = 0;
 			ox = w->last_new_pane_x + 4;
-			if (ox + sx + pad > (int)w->sx)
+			if (w->last_new_pane_x > w->sx)
 				ox = 4;
 		}
 		w->last_new_pane_x = ox;
@@ -1801,12 +1767,8 @@ layout_floating_args_parse(struct cmdq_item *item, struct args *args,
 		if (w->last_new_pane_y == 0)
 			oy = 2;
 		else {
-			if (lines != PANE_LINES_NONE)
-				pad = 1;
-			else
-				pad = 0;
 			oy = w->last_new_pane_y + 2;
-			if (oy + sy + pad > (int)w->sy)
+			if (w->last_new_pane_y > w->sy)
 				oy = 2;
 		}
 		w->last_new_pane_y = oy;

menu.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: menu.c,v 1.71 2026/09/21 12:14:32 nicm Exp $ */
+/* $OpenBSD: menu.c,v 1.70 2026/08/17 07:33:55 nicm Exp $ */
 
 /*
  * Copyright (c) 2019 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -51,18 +51,6 @@ struct menu_data {
 	void			*data;
 };
 
-void
-menu_get_size(struct menu *menu, enum box_lines lines, u_int *sx, u_int *sy)
-{
-	if (lines == BOX_LINES_NONE) {
-		*sx = menu->item_width + 2;
-		*sy = menu->count;
-	} else {
-		*sx = menu->width + 4;
-		*sy = menu->count + 2;
-	}
-}
-
 void
 menu_add_items(struct menu *menu, const struct menu_item *items,
     struct cmdq_item *qitem, struct client *c, struct cmd_find_state *fs)
@@ -154,8 +142,6 @@ menu_add_item(struct menu *menu, const struct menu_item *item,
 	width = format_width(new_item->name);
 	if (*new_item->name == '-')
 		width--;
-	if (width > menu->item_width)
-		menu->item_width = width;
 	if (width > menu->width)
 		menu->width = width;
 }
@@ -252,7 +238,7 @@ menu_update(struct menu_data *md)
 	screen_write_clearscreen(&ctx, 8);
 
 	if (md->border_lines != BOX_LINES_NONE) {
-		screen_write_box(&ctx, menu_width(md), menu_height(md),
+		screen_write_box(&ctx, menu->width + 4, menu->count + 2,
 		    md->border_lines, &md->border_style_gc, menu->title);
 	}
 
@@ -300,13 +286,11 @@ menu_destroy(struct window *w)
 void
 menu_get_cursor(struct menu_data *md, u_int *cx, u_int *cy)
 {
-	u_int	border = (md->border_lines != BOX_LINES_NONE);
-
-	*cx = md->px + 1 + border;
+	*cx = md->px + 2;
 	if (md->choice == -1)
 		*cy = md->py;
 	else
-		*cy = md->py + border + md->choice;
+		*cy = md->py + 1 + md->choice;
 }
 
 struct screen *
@@ -318,19 +302,13 @@ menu_screen(struct menu_data *md)
 u_int
 menu_width(struct menu_data *md)
 {
-	u_int	sx, sy;
-
-	menu_get_size(md->menu, md->border_lines, &sx, &sy);
-	return (sx);
+	return (md->menu->width + 4);
 }
 
 u_int
 menu_height(struct menu_data *md)
 {
-	u_int	sx, sy;
-
-	menu_get_size(md->menu, md->border_lines, &sx, &sy);
-	return (sy);
+	return (md->menu->count + 2);
 }
 
 u_int
@@ -360,7 +338,6 @@ menu_key(struct client *c, struct menu_data *md, struct key_event *event)
 	enum cmd_parse_status		 status;
 	char				*error;
 	key_code			 key;
-	u_int				 border;
 
 	if (KEYC_IS_MOUSE(event->key)) {
 		/*
@@ -376,10 +353,10 @@ menu_key(struct client *c, struct menu_data *md, struct key_event *event)
 				return (1);
 			return (0);
 		}
-		border = (md->border_lines != BOX_LINES_NONE);
-		if (m->x < md->px || m->x >= md->px + menu_width(md) ||
-		    m->y < md->py + border ||
-		    m->y >= md->py + border + n) {
+		if (m->x < md->px ||
+		    m->x > md->px + 4 + menu->width ||
+		    m->y < md->py + 1 ||
+		    m->y > md->py + 1 + n - 1) {
 			if (~md->flags & MENU_STAYOPEN) {
 				if (!move && MOUSE_RELEASE(m->b))
 					return (1);
@@ -402,7 +379,7 @@ menu_key(struct client *c, struct menu_data *md, struct key_event *event)
 			if (!MOUSE_WHEEL(m->b) && !MOUSE_DRAG(m->b))
 				goto chosen;
 		}
-		md->choice = m->y - (md->py + border);
+		md->choice = m->y - (md->py + 1);
 		if (md->choice != old)
 			server_redraw_window_menu(md->w);
 		return (0);
@@ -569,16 +546,20 @@ menu_resize(struct menu_data *md, struct window *w)
 
 	if (md == NULL)
 		return;
+
 	nx = md->px;
 	ny = md->py;
 
-	menu_get_size(md->menu, md->border_lines, &sx, &sy);
+	sx = md->menu->width + 4;
+	sy = md->menu->count + 2;
+
 	if (nx + sx > w->sx) {
 		if (w->sx <= sx)
 			nx = 0;
 		else
 			nx = w->sx - sx;
 	}
+
 	if (ny + sy > w->sy) {
 		if (w->sy <= sy)
 			ny = 0;
@@ -605,14 +586,13 @@ 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;
 
-	if (lines == BOX_LINES_DEFAULT)
-		lines = options_get_number(o, "menu-border-lines");
-	menu_get_size(menu, lines, &sx, &sy);
+	sx = menu->width + 4;
+	sy = menu->count + 2;
 	if (sx >= w->sx)
 		px = 0;
 	else if (px + sx > w->sx)
@@ -624,6 +604,9 @@ menu_display(struct menu *menu, int flags, int starting_choice,
 	w->menu_last_px = px;
 	w->menu_last_py = py;
 
+	if (lines == BOX_LINES_DEFAULT)
+		lines = options_get_number(o, "menu-border-lines");
+
 	md = xcalloc(1, sizeof *md);
 	md->w = w;
 	md->flags = flags;

mode-tree.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: mode-tree.c,v 1.102 2026/09/21 12:14:32 nicm Exp $ */
+/* $OpenBSD: mode-tree.c,v 1.101 2026/08/05 07:50:21 nicm Exp $ */
 
 /*
  * Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1375,14 +1375,12 @@ static void
 mode_tree_display_menu(struct mode_tree_data *mtd, struct client *c, u_int x,
     u_int y, int outside)
 {
-	struct window		*w = mtd->wp->window;
 	struct mode_tree_item	*mti;
 	struct menu		*menu;
 	const struct menu_item	*items;
 	struct mode_tree_menu	*mtm;
 	char			*title;
-	enum box_lines		 lines;
-	u_int			 line, sx, sy;
+	u_int			 line;
 
 	if (mtd->offset + y > mtd->line_size - 1)
 		line = mtd->current;
@@ -1407,17 +1405,14 @@ mode_tree_display_menu(struct mode_tree_data *mtd, struct client *c, u_int x,
 	mtm->line = line;
 	mtd->references++;
 
-	lines = options_get_number(w->options, "menu-border-lines");
-	menu_get_size(menu, lines, &sx, &sy);
-	if (x >= sx / 2)
-		x -= sx / 2;
+	if (x >= (menu->width + 4) / 2)
+		x -= (menu->width + 4) / 2;
 	else
 		x = 0;
 	x += mtd->wp->xoff;
 	y += mtd->wp->yoff;
-
-	if (menu_display(menu, 0, 0, NULL, x, y, c, lines, NULL, NULL, NULL,
-	    NULL, mode_tree_menu_callback, mtm) != 0) {
+	if (menu_display(menu, 0, 0, NULL, x, y, c, BOX_LINES_DEFAULT, NULL,
+	    NULL, NULL, NULL, mode_tree_menu_callback, mtm) != 0) {
 		mode_tree_remove_ref(mtd);
 		free(mtm);
 		menu_free(menu);

monitor.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: monitor.c,v 1.8 2026/09/07 10:15:25 nicm Exp $ */
+/* $OpenBSD: monitor.c,v 1.7 2026/07/27 19:15:58 nicm Exp $ */
 
 /*
  * Copyright (c) 2026 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -614,10 +614,8 @@ monitor_parse(const char *value, char **name, enum monitor_type *type, int *id,
 		*type = MONITOR_ALL_WINDOWS;
 	else if (sscanf(what, "@%d", id) == 1 && *id >= 0)
 		*type = MONITOR_WINDOW;
-	else if (*what == '\0')
-		*type = MONITOR_SESSION;
 	else
-		goto fail;
+		*type = MONITOR_SESSION;
 	*name = xstrdup(copy);
 	*format = xstrdup(split);
 

options-table.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: options-table.c,v 1.247 2026/09/21 10:22:31 nicm Exp $ */
+/* $OpenBSD: options-table.c,v 1.244 2026/09/01 12:49:49 nicm Exp $ */
 
 /*
  * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -76,10 +76,9 @@ static const char *options_table_pane_border_indicators_list[] = {
 	"off", "colour", "arrows", "both", NULL
 };
 static const char *options_table_pane_border_lines_list[] = {
-	"single", "double", "heavy", "simple", "number", "spaces", "none",
-	"rounded", NULL
+	"single", "double", "heavy", "simple", "number", "spaces", "none", NULL
 };
-static const char *options_table_menu_border_lines_list[] = {
+static const char *options_table_popup_border_lines_list[] = {
 	"single", "double", "heavy", "simple", "rounded", "padded", "none", NULL
 };
 static const char *options_table_set_clipboard_list[] = {
@@ -92,7 +91,7 @@ static const char *options_table_window_size_list[] = {
 	"largest", "smallest", "manual", "latest", NULL
 };
 static const char *options_table_remain_on_exit_list[] = {
-	"off", "on", "failed", "key", "failed-key", NULL
+	"off", "on", "failed", "key", NULL
 };
 static const char *options_table_destroy_unattached_list[] = {
 	"off", "on", "keep-last", "keep-group", NULL
@@ -493,7 +492,7 @@ const struct options_table_entry options_table[] = {
 	{ .name = "menu-border-lines",
 	  .type = OPTIONS_TABLE_CHOICE,
 	  .scope = OPTIONS_TABLE_WINDOW,
-	  .choices = options_table_menu_border_lines_list,
+	  .choices = options_table_popup_border_lines_list,
 	  .default_num = BOX_LINES_SINGLE,
 	  .text = "Type of characters used to draw menu border lines. Some of "
 		  "these are only supported on terminals with UTF-8 support."
@@ -1126,7 +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."
@@ -1666,14 +1666,40 @@ const struct options_table_entry options_table[] = {
 	  .text = "Pane scrollbar position."
 	},
 
+	{ .name = "popup-style",
+	  .type = OPTIONS_TABLE_STRING,
+	  .scope = OPTIONS_TABLE_WINDOW,
+	  .default_str = "bg=themedarkgrey,fg=themewhite",
+	  .flags = OPTIONS_TABLE_IS_STYLE,
+	  .separator = ",",
+	  .text = "Default style of popups."
+	},
+
+	{ .name = "popup-border-style",
+	  .type = OPTIONS_TABLE_STRING,
+	  .scope = OPTIONS_TABLE_WINDOW,
+	  .default_str = "bg=themedarkgrey,fg=themelightgrey",
+	  .flags = OPTIONS_TABLE_IS_STYLE,
+	  .separator = ",",
+	  .text = "Default style of popup borders."
+	},
+
+	{ .name = "popup-border-lines",
+	  .type = OPTIONS_TABLE_CHOICE,
+	  .scope = OPTIONS_TABLE_WINDOW,
+	  .choices = options_table_popup_border_lines_list,
+	  .default_num = BOX_LINES_SINGLE,
+	  .text = "Type of characters used to draw popup border lines. Some of "
+		  "these are only supported on terminals with UTF-8 support."
+	},
+
 	{ .name = "remain-on-exit",
 	  .type = OPTIONS_TABLE_CHOICE,
 	  .scope = OPTIONS_TABLE_WINDOW|OPTIONS_TABLE_PANE,
 	  .choices = options_table_remain_on_exit_list,
 	  .default_num = 0,
 	  .text = "Whether panes should remain ('on'), remain until a key is "
-		  "pressed after any exit ('key') or after a failure "
-		  "('failed-key'), or be automatically killed ('off' or "
+		  "pressed ('key') or be automatically killed ('off' or "
 		  "'failed') when the program inside exits."
 	},
 
@@ -1957,6 +1983,8 @@ 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

@@ -0,0 +1,661 @@
+/* $OpenBSD: popup.c,v 1.77 2026/08/28 08:02:16 nicm Exp $ */
+
+/*
+ * Copyright (c) 2020 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 MIND, 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 <sys/wait.h>
+
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "tmux.h"
+
+struct popup_data {
+	struct client		 *c;
+	struct cmdq_item	 *item;
+	int			  flags;
+	char			 *title;
+
+	char			 *style;
+	char			 *border_style;
+	struct grid_cell	  border_cell;
+	enum box_lines		  border_lines;
+
+	struct screen		  s;
+	struct grid_cell	  defaults;
+	struct colour_palette	  palette;
+
+	struct visible_ranges	  r;
+
+	struct job		 *job;
+	struct input_ctx	 *ictx;
+	int			  status;
+	popup_close_cb		  cb;
+	void			 *arg;
+
+	int			  close;
+
+	/* Current position and size. */
+	u_int			  px;
+	u_int			  py;
+	u_int			  sx;
+	u_int			  sy;
+
+	/* Preferred position and size. */
+	u_int			  ppx;
+	u_int			  ppy;
+	u_int			  psx;
+	u_int			  psy;
+
+	enum { OFF, MOVE, SIZE }  dragging;
+	u_int			  dx;
+	u_int			  dy;
+
+	u_int			  lx;
+	u_int			  ly;
+	u_int			  lb;
+};
+
+static void
+popup_free(struct popup_data *pd)
+{
+	server_client_unref(pd->c);
+
+	if (pd->job != NULL)
+		job_free(pd->job);
+	if (pd->ictx != NULL)
+		input_free(pd->ictx);
+
+	free(pd->r.ranges);
+	screen_free(&pd->s);
+	colour_palette_free(&pd->palette);
+
+	free(pd->title);
+	free(pd->style);
+	free(pd->border_style);
+	free(pd);
+}
+
+static void
+popup_reapply_styles(struct popup_data *pd)
+{
+	struct client		*c = pd->c;
+	struct session		*s = c->session;
+	struct options		*o;
+	struct format_tree	*ft;
+	struct style		 sytmp;
+
+	if (s == NULL)
+		return;
+	o = active_get_effective_window(c, s)->options;
+
+	ft = format_create_defaults(NULL, c, s, NULL, NULL);
+
+	/* Reapply popup style from options. */
+	memcpy(&pd->defaults, &grid_default_cell, sizeof pd->defaults);
+	style_apply(&pd->defaults, o, "popup-style", ft);
+	if (pd->style != NULL) {
+		style_set(&sytmp, &grid_default_cell);
+		if (style_parse(&sytmp, &pd->defaults, pd->style) == 0) {
+			pd->defaults.fg = sytmp.gc.fg;
+			pd->defaults.bg = sytmp.gc.bg;
+		}
+	}
+	pd->defaults.attr = 0;
+
+	/* Reapply border style from options. */
+	memcpy(&pd->border_cell, &grid_default_cell, sizeof pd->border_cell);
+	style_apply(&pd->border_cell, o, "popup-border-style", ft);
+	if (pd->border_style != NULL) {
+		style_set(&sytmp, &grid_default_cell);
+		if (style_parse(&sytmp, &pd->border_cell,
+		    pd->border_style) == 0) {
+			pd->border_cell.fg = sytmp.gc.fg;
+			pd->border_cell.bg = sytmp.gc.bg;
+		}
+	}
+	pd->border_cell.attr = 0;
+
+	format_free(ft);
+}
+
+static void
+popup_redraw_cb(const struct tty_ctx *ttyctx)
+{
+	struct popup_data	*pd = ttyctx->arg;
+
+	pd->c->flags |= CLIENT_REDRAWOVERLAY;
+}
+
+static int
+popup_set_client_cb(struct tty_ctx *ttyctx, struct client *c)
+{
+	struct popup_data	*pd = ttyctx->arg;
+
+	if (c != pd->c)
+		return (0);
+	if (pd->c->flags & CLIENT_REDRAWOVERLAY)
+		return (0);
+
+	ttyctx->wox = 0;
+	ttyctx->woy = 0;
+	ttyctx->wsx = c->tty.sx;
+	ttyctx->wsy = c->tty.sy;
+
+	if (pd->border_lines == BOX_LINES_NONE) {
+		ttyctx->xoff = ttyctx->rxoff = pd->px;
+		ttyctx->yoff = ttyctx->ryoff = pd->py;
+	} else {
+		ttyctx->xoff = ttyctx->rxoff = pd->px + 1;
+		ttyctx->yoff = ttyctx->ryoff = pd->py + 1;
+	}
+
+	return (1);
+}
+
+static void
+popup_init_ctx_cb(struct screen_write_ctx *ctx, struct tty_ctx *ttyctx)
+{
+	struct popup_data	*pd = ctx->arg;
+
+	memcpy(&ttyctx->defaults, &pd->defaults, sizeof ttyctx->defaults);
+	ttyctx->flags &= ~TTY_CTX_WINDOW_BIGGER;
+	ttyctx->style_ctx.defaults = &ttyctx->defaults;
+	ttyctx->style_ctx.palette = &pd->palette;
+	ttyctx->redraw_cb = popup_redraw_cb;
+	ttyctx->set_client_cb = popup_set_client_cb;
+	ttyctx->arg = pd;
+}
+
+static struct screen *
+popup_mode_cb(__unused struct client *c, void *data, u_int *cx, u_int *cy)
+{
+	struct popup_data	*pd = data;
+
+	if (pd->border_lines == BOX_LINES_NONE) {
+		*cx = pd->px + pd->s.cx;
+		*cy = pd->py + pd->s.cy;
+	} else {
+		*cx = pd->px + 1 + pd->s.cx;
+		*cy = pd->py + 1 + pd->s.cy;
+	}
+	return (&pd->s);
+}
+
+/* Return parts of the input range which are not obstructed by the popup. */
+static struct visible_ranges *
+popup_check_cb(__unused struct client* c, void *data, u_int px, u_int py,
+    u_int nx)
+{
+	struct popup_data	*pd = data;
+	struct visible_ranges	*r = &pd->r;
+
+	server_client_overlay_range(pd->px, pd->py, pd->sx, pd->sy, px, py, nx,
+	    r);
+	return (r);
+}
+
+static void
+popup_draw_cb(struct client *c, void *data)
+{
+	struct popup_data	*pd = data;
+	struct tty		*tty = &c->tty;
+	struct screen		 s;
+	struct screen_write_ctx	 ctx;
+	u_int			 i, px = pd->px, py = pd->py;
+	struct grid_cell	 defaults;
+	struct tty_style_ctx	 style_ctx;
+
+	popup_reapply_styles(pd);
+
+	screen_init(&s, pd->sx, pd->sy, 0);
+	if (pd->s.hyperlinks != NULL) {
+		hyperlinks_free(s.hyperlinks);
+		s.hyperlinks = hyperlinks_copy(pd->s.hyperlinks);
+	}
+	screen_write_start(&ctx, &s);
+	screen_write_clearscreen(&ctx, 8);
+
+	if (pd->border_lines == BOX_LINES_NONE) {
+		screen_write_cursormove(&ctx, 0, 0, 0);
+		screen_write_fast_copy(&ctx, &pd->s, 0, 0, pd->sx, pd->sy);
+	} else if (pd->sx > 2 && pd->sy > 2) {
+		screen_write_box(&ctx, pd->sx, pd->sy, pd->border_lines,
+		    &pd->border_cell, pd->title);
+		screen_write_cursormove(&ctx, 1, 1, 0);
+		screen_write_fast_copy(&ctx, &pd->s, 0, 0, pd->sx - 2,
+		    pd->sy - 2);
+	}
+	screen_write_stop(&ctx);
+
+	memcpy(&defaults, &pd->defaults, sizeof defaults);
+	if (defaults.fg == 8)
+		defaults.fg = pd->palette.fg;
+	if (defaults.bg == 8)
+		defaults.bg = pd->palette.bg;
+	style_ctx.defaults = &defaults;
+	style_ctx.palette = &pd->palette;
+	style_ctx.dim = 0;
+	style_ctx.hyperlinks = s.hyperlinks;
+
+	c->overlay_check = NULL;
+	c->overlay_data = NULL;
+	for (i = 0; i < pd->sy; i++)
+		tty_draw_line(tty, &s, 0, i, pd->sx, px, py + i, &style_ctx);
+	screen_free(&s);
+	c->overlay_check = popup_check_cb;
+	c->overlay_data = pd;
+}
+
+static void
+popup_free_cb(__unused struct client *c, void *data)
+{
+	struct popup_data	*pd = data;
+	struct cmdq_item	*item = pd->item;
+
+	if (pd->cb != NULL)
+		pd->cb(pd->status, pd->arg);
+
+	if (item != NULL) {
+		if (cmdq_get_client(item) != NULL &&
+		    cmdq_get_client(item)->session == NULL)
+			cmdq_get_client(item)->retval = pd->status;
+		cmdq_continue(item);
+	}
+
+	popup_free(pd);
+}
+
+static void
+popup_resize_cb(__unused struct client *c, void *data)
+{
+	struct popup_data	*pd = data;
+	struct tty		*tty = &c->tty;
+
+	if (pd == NULL)
+		return;
+
+	/* Adjust position and size. */
+	if (pd->psy > tty->sy)
+		pd->sy = tty->sy;
+	else
+		pd->sy = pd->psy;
+	if (pd->psx > tty->sx)
+		pd->sx = tty->sx;
+	else
+		pd->sx = pd->psx;
+	if (pd->ppy + pd->sy > tty->sy)
+		pd->py = tty->sy - pd->sy;
+	else
+		pd->py = pd->ppy;
+	if (pd->ppx + pd->sx > tty->sx)
+		pd->px = tty->sx - pd->sx;
+	else
+		pd->px = pd->ppx;
+
+	/* Avoid zero size screens. */
+	if (pd->border_lines == BOX_LINES_NONE) {
+		screen_resize(&pd->s, pd->sx, pd->sy, 0);
+		if (pd->job != NULL)
+			job_resize(pd->job, pd->sx, pd->sy );
+	} else if (pd->sx > 2 && pd->sy > 2) {
+		screen_resize(&pd->s, pd->sx - 2, pd->sy - 2, 0);
+		if (pd->job != NULL)
+			job_resize(pd->job, pd->sx - 2, pd->sy - 2);
+	}
+}
+
+static void
+popup_handle_drag(struct client *c, struct popup_data *pd,
+    struct mouse_event *m)
+{
+	u_int	px, py;
+
+	if (!MOUSE_DRAG(m->b))
+		pd->dragging = OFF;
+	else if (pd->dragging == MOVE) {
+		if (m->x < pd->dx)
+			px = 0;
+		else if (m->x - pd->dx + pd->sx > c->tty.sx)
+			px = c->tty.sx - pd->sx;
+		else
+			px = m->x - pd->dx;
+		if (m->y < pd->dy)
+			py = 0;
+		else if (m->y - pd->dy + pd->sy > c->tty.sy)
+			py = c->tty.sy - pd->sy;
+		else
+			py = m->y - pd->dy;
+		pd->px = px;
+		pd->py = py;
+		pd->dx = m->x - pd->px;
+		pd->dy = m->y - pd->py;
+		pd->ppx = px;
+		pd->ppy = py;
+		server_redraw_client(c);
+	} else if (pd->dragging == SIZE) {
+		if (pd->border_lines == BOX_LINES_NONE) {
+			if (m->x < pd->px + 1)
+				return;
+			if (m->y < pd->py + 1)
+				return;
+		} else {
+			if (m->x < pd->px + 3)
+				return;
+			if (m->y < pd->py + 3)
+				return;
+		}
+		pd->sx = m->x - pd->px;
+		pd->sy = m->y - pd->py;
+		pd->psx = pd->sx;
+		pd->psy = pd->sy;
+
+		if (pd->border_lines == BOX_LINES_NONE) {
+			screen_resize(&pd->s, pd->sx, pd->sy, 0);
+			if (pd->job != NULL)
+				job_resize(pd->job, pd->sx, pd->sy);
+		} else {
+			screen_resize(&pd->s, pd->sx - 2, pd->sy - 2, 0);
+			if (pd->job != NULL)
+				job_resize(pd->job, pd->sx - 2, pd->sy - 2);
+		}
+		server_redraw_client(c);
+	}
+}
+
+static int
+popup_key_cb(struct client *c, void *data, struct key_event *event)
+{
+	struct popup_data	*pd = data;
+	struct mouse_event	*m = &event->m;
+	const char		*buf;
+	size_t			 len;
+	u_int			 px, py;
+	enum { NONE, LEFT, RIGHT, TOP, BOTTOM } border = NONE;
+
+	if (KEYC_IS_MOUSE(event->key)) {
+		if (pd->dragging != OFF) {
+			popup_handle_drag(c, pd, m);
+			goto out;
+		}
+		if (m->x < pd->px ||
+		    m->x > pd->px + pd->sx - 1 ||
+		    m->y < pd->py ||
+		    m->y > pd->py + pd->sy - 1) {
+			return (0);
+		}
+		if (pd->border_lines != BOX_LINES_NONE) {
+			if (m->x == pd->px)
+				border = LEFT;
+			else if (m->x == pd->px + pd->sx - 1)
+				border = RIGHT;
+			else if (m->y == pd->py)
+				border = TOP;
+			else if (m->y == pd->py + pd->sy - 1)
+				border = BOTTOM;
+		}
+		if ((m->b & MOUSE_MASK_MODIFIERS) == 0 &&
+		    MOUSE_BUTTONS(m->b) == MOUSE_BUTTON_3 &&
+		    (border == LEFT || border == TOP))
+			goto out;
+		if (((m->b & MOUSE_MASK_MODIFIERS) == MOUSE_MASK_META) ||
+		    (border != NONE && !MOUSE_DRAG(m->lb))) {
+			if (!MOUSE_DRAG(m->b))
+				goto out;
+			if (MOUSE_BUTTONS(m->lb) == MOUSE_BUTTON_1)
+				pd->dragging = MOVE;
+			else if (MOUSE_BUTTONS(m->lb) == MOUSE_BUTTON_3)
+				pd->dragging = SIZE;
+			pd->dx = m->lx - pd->px;
+			pd->dy = m->ly - pd->py;
+			goto out;
+		}
+	}
+	if ((((pd->flags & (POPUP_CLOSEEXIT|POPUP_CLOSEEXITZERO)) == 0) ||
+	    pd->job == NULL) &&
+	    (event->key == '\033' || event->key == ('c'|KEYC_CTRL)))
+		return (1);
+	if (pd->job == NULL && (pd->flags & POPUP_CLOSEANYKEY) &&
+	    !KEYC_IS_MOUSE(event->key) && !KEYC_IS_PASTE(event->key))
+		return (1);
+	if (pd->job != NULL) {
+		if (KEYC_IS_MOUSE(event->key)) {
+			/* Must be inside, checked already. */
+			if (pd->border_lines == BOX_LINES_NONE) {
+				px = m->x - pd->px;
+				py = m->y - pd->py;
+			} else {
+				px = m->x - pd->px - 1;
+				py = m->y - pd->py - 1;
+			}
+			if (!input_key_get_mouse(&pd->s, m, px, py, &buf, &len))
+				return (0);
+			bufferevent_write(job_get_event(pd->job), buf, len);
+			return (0);
+		}
+		input_key(&pd->s, job_get_event(pd->job), event->key);
+	}
+	return (0);
+
+out:
+	pd->lx = m->x;
+	pd->ly = m->y;
+	pd->lb = m->b;
+	return (0);
+}
+
+static void
+popup_job_update_cb(struct job *job)
+{
+	struct popup_data	*pd = job_get_data(job);
+	struct evbuffer		*evb = job_get_event(job)->input;
+	struct client		*c = pd->c;
+	struct screen		*s = &pd->s;
+	void			*data = EVBUFFER_DATA(evb);
+	size_t			 size = EVBUFFER_LENGTH(evb);
+
+	if (size == 0)
+		return;
+
+	c->overlay_check = NULL;
+	c->overlay_data = NULL;
+	input_parse_screen(pd->ictx, s, popup_init_ctx_cb, pd, data, size);
+	c->overlay_check = popup_check_cb;
+	c->overlay_data = pd;
+
+	evbuffer_drain(evb, size);
+}
+
+static void
+popup_job_complete_cb(struct job *job)
+{
+	struct popup_data	*pd = job_get_data(job);
+	int			 status;
+
+	status = job_get_status(pd->job);
+	if (WIFEXITED(status))
+		pd->status = WEXITSTATUS(status);
+	else if (WIFSIGNALED(status))
+		pd->status = WTERMSIG(status);
+	else
+		pd->status = 0;
+	pd->job = NULL;
+
+	if ((pd->flags & POPUP_CLOSEEXIT) ||
+	    ((pd->flags & POPUP_CLOSEEXITZERO) && pd->status == 0))
+		server_client_clear_overlay(pd->c);
+}
+
+int
+popup_present(struct client *c)
+{
+	return (c->overlay_draw == popup_draw_cb);
+}
+
+int
+popup_modify(struct client *c, const char *title, const char *style,
+	const char *border_style, enum box_lines lines, int flags)
+{
+	struct popup_data		*pd = c->overlay_data;
+	struct style		sytmp;
+
+	if (title != NULL) {
+		if (pd->title != NULL)
+			free(pd->title);
+		pd->title = xstrdup(title);
+	}
+	if (border_style != NULL) {
+		free(pd->border_style);
+		pd->border_style = xstrdup(border_style);
+		style_set(&sytmp, &pd->border_cell);
+		if (style_parse(&sytmp, &pd->border_cell, border_style) == 0) {
+			pd->border_cell.fg = sytmp.gc.fg;
+			pd->border_cell.bg = sytmp.gc.bg;
+		}
+	}
+	if (style != NULL) {
+		free(pd->style);
+		pd->style = xstrdup(style);
+		style_set(&sytmp, &pd->defaults);
+		if (style_parse(&sytmp, &pd->defaults, style) == 0) {
+			pd->defaults.fg = sytmp.gc.fg;
+			pd->defaults.bg = sytmp.gc.bg;
+		}
+	}
+	if (lines != BOX_LINES_DEFAULT) {
+		if (lines == BOX_LINES_NONE && pd->border_lines != lines) {
+			screen_resize(&pd->s, pd->sx, pd->sy, 1);
+			job_resize(pd->job, pd->sx, pd->sy);
+		} else if (pd->border_lines == BOX_LINES_NONE &&
+		    pd->border_lines != lines) {
+			screen_resize(&pd->s, pd->sx - 2, pd->sy - 2, 1);
+			job_resize(pd->job, pd->sx - 2, pd->sy - 2);
+		}
+		pd->border_lines = lines;
+		tty_resize(&c->tty);
+	}
+	if (flags != -1)
+		pd->flags = flags;
+
+	server_redraw_client(c);
+	return (0);
+}
+
+int
+popup_display(int flags, enum box_lines lines, struct cmdq_item *item, u_int px,
+    u_int py, u_int sx, u_int sy, struct environ *env, const char *shellcmd,
+    int argc, char **argv, const char *cwd, const char *title, struct client *c,
+    struct session *s, const char *style, const char *border_style,
+    popup_close_cb cb, void *arg)
+{
+	struct popup_data	*pd;
+	u_int			 jx, jy;
+	struct options		*o;
+	struct style		 sytmp;
+
+	if (s != NULL)
+		o = active_get_effective_window(c, s)->options;
+	else
+		o = active_get_effective_window(c, c->session)->options;
+
+	if (lines == BOX_LINES_DEFAULT)
+		lines = options_get_number(o, "popup-border-lines");
+	if (lines == BOX_LINES_NONE) {
+		if (sx < 1 || sy < 1)
+			return (-1);
+		jx = sx;
+		jy = sy;
+	} else {
+		if (sx < 3 || sy < 3)
+			return (-1);
+		jx = sx - 2;
+		jy = sy - 2;
+	}
+	if (c->tty.sx < sx || c->tty.sy < sy)
+		return (-1);
+
+	pd = xcalloc(1, sizeof *pd);
+	pd->item = item;
+	pd->flags = flags;
+
+	if (title != NULL)
+		pd->title = xstrdup(title);
+	if (style != NULL)
+		pd->style = xstrdup(style);
+	if (border_style != NULL)
+		pd->border_style = xstrdup(border_style);
+
+	pd->c = c;
+	pd->c->references++;
+
+	pd->cb = cb;
+	pd->arg = arg;
+	pd->status = 128 + SIGHUP;
+
+	pd->border_lines = lines;
+	memcpy(&pd->border_cell, &grid_default_cell, sizeof pd->border_cell);
+	style_apply(&pd->border_cell, o, "popup-border-style", NULL);
+	if (border_style != NULL) {
+		style_set(&sytmp, &grid_default_cell);
+		if (style_parse(&sytmp, &pd->border_cell, border_style) == 0) {
+			pd->border_cell.fg = sytmp.gc.fg;
+			pd->border_cell.bg = sytmp.gc.bg;
+		}
+	}
+	pd->border_cell.attr = 0;
+
+	screen_init(&pd->s, jx, jy, 0);
+	screen_set_default_cursor(&pd->s, global_w_options);
+	colour_palette_init(&pd->palette);
+	colour_palette_from_option(&pd->palette, global_w_options);
+
+	memcpy(&pd->defaults, &grid_default_cell, sizeof pd->defaults);
+	style_apply(&pd->defaults, o, "popup-style", NULL);
+	if (style != NULL) {
+		style_set(&sytmp, &grid_default_cell);
+		if (style_parse(&sytmp, &pd->defaults, style) == 0) {
+			pd->defaults.fg = sytmp.gc.fg;
+			pd->defaults.bg = sytmp.gc.bg;
+		}
+	}
+	pd->defaults.attr = 0;
+
+	pd->px = px;
+	pd->py = py;
+	pd->sx = sx;
+	pd->sy = sy;
+
+	pd->ppx = px;
+	pd->ppy = py;
+	pd->psx = sx;
+	pd->psy = sy;
+
+	pd->job = job_run(shellcmd, argc, argv, env, s, cwd,
+	    popup_job_update_cb, popup_job_complete_cb, NULL, pd,
+	    JOB_NOWAIT|JOB_PTY|JOB_KEEPWRITE|JOB_DEFAULTSHELL, jx, jy);
+	if (pd->job == NULL) {
+		popup_free(pd);
+		return (-1);
+	}
+	pd->ictx = input_init(NULL, job_get_event(pd->job), &pd->palette, c);
+
+	server_client_set_overlay(c, 0, popup_check_cb, popup_mode_cb,
+	    popup_draw_cb, popup_key_cb, popup_free_cb, popup_resize_cb, pd);
+	return (0);
+}

prompt.c

@@ -1,4 +1,4 @@
-/* $OpenBSD: prompt.c,v 1.7 2026/09/09 07:53:03 nicm Exp $ */
+/* $OpenBSD: prompt.c,v 1.6 2026/08/17 06:45:16 nicm Exp $ */
 
 /*
  * Copyright (c) 2026 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1493,11 +1493,9 @@ append_key:
 		utf8_set(&tmp, key);
 		if (key <= 0x1f || key == 0x7f)
 			tmp.width = 2;
-	} else if (KEYC_IS_UNICODE(key)) {
+	} else if (KEYC_IS_UNICODE(key))
 		utf8_to_data(key, &tmp);
-		if (tmp.size == 0)
-			return (PROMPT_KEY_HANDLED);
-	} else
+	else
 		return (PROMPT_KEY_HANDLED);
 
 	pr->buffer = xreallocarray(pr->buffer, size + 2,

regress/Makefile

@@ -1,17 +1,33 @@
 TESTS!= echo *.sh
 LOGDIR=logs
 
-.PHONY: all prepare $(TESTS)
+.PHONY: all
+.NOTPARALLEL: all
 
-all: prepare $(TESTS)
-	@failed=0; failures=; \
+all:
+	@mkdir -p "$(LOGDIR)"; \
+	rm -f "$(LOGDIR)"/*.log; \
+	failed=0; failures=; \
 	for test in $(TESTS); do \
 		base=$${test##*/}; \
 		log="$(LOGDIR)/$${base%.sh}.log"; \
-		if [ -f "$$log" ]; then \
+		rm -f "$$log"; \
+		printf '%-40s ' "$$test"; \
+		start=$$(date +%s); \
+		env -i LC_CTYPE=C.UTF-8 MallocNanoZone=0 \
+		    sh -x "$$test" >"$$log" 2>&1; \
+		if [ $$? -eq 0 ]; then \
+			end=$$(date +%s); \
+			rm -f "$$log"; \
+			echo "PASS ($$((end - start))s)"; \
+		else \
+			end=$$(date +%s); \
+			echo "FAIL ($$((end - start))s)"; \
+			echo " log: $$log"; \
 			failed=1; \
 			failures="$$failures $$test"; \
 		fi; \
+		sleep 1; \
 	done; \
 	if [ "$$failed" -ne 0 ]; then \
 		echo; \
@@ -23,22 +39,3 @@ all: prepare $(TESTS)
 		rmdir "$(LOGDIR)" 2>/dev/null || true; \
 	fi; \
 	exit $$failed
-
-prepare:
-	@mkdir -p "$(LOGDIR)"
-	@rm -f "$(LOGDIR)"/*.log
-
-$(TESTS): prepare
-	@base="$@"; base=$${base##*/}; \
-	log="$(LOGDIR)/$${base%.sh}.log"; \
-	start=$$(date +%s); \
-	if env -i LC_CTYPE=C.UTF-8 MallocNanoZone=0 \
-	    sh -x "$@" >"$$log" 2>&1; then \
-		end=$$(date +%s); \
-		rm -f "$$log"; \
-		printf '%-40s PASS (%ss)\n' "$@" "$$((end - start))"; \
-	else \
-		end=$$(date +%s); \
-		printf '%-40s FAIL (%ss)\n log: %s\n' \
-		    "$@" "$$((end - start))" "$$log"; \
-	fi

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/alerts.sh

@@ -2,9 +2,8 @@
 
 # monitor-activity, monitor-bell and monitor-silence: both the
 # alert-activity, alert-bell and alert-silence hooks and the winlink alert
-# flags (window_activity_flag, window_bell_flag, window_silence_flag,
-# their session equivalents and the #, !, ~ characters in window_flags).
-# The sessions are detached so
+# flags (window_activity_flag, window_bell_flag, window_silence_flag and
+# the #, !, ~ characters in window_flags). The sessions are detached so
 # alert flags are set even on the current window; the *-action options
 # still decide whether the hooks fire. Panes run cat: activity is
 # generated by the tty echo of send-keys and a bell by sending a BEL and
@@ -112,24 +111,6 @@ flags_have()
 	esac
 }
 
-assert_session_flag()
-{
-	flag="#{session_${1}_flag}"
-	expected=$2
-
-	# Only mon exists here. Check both window contexts and list-sessions.
-	for target in mon:w0 "mon:$3"; do
-		value=$($TMUX display -pt "$target" "$flag") ||
-			fail "display $flag failed"
-		[ "$value" = "$expected" ] ||
-			fail "expected $flag for $target to be '$expected' but got '$value'"
-	done
-	value=$($TMUX list-sessions -F "$flag") ||
-		fail "list-sessions $flag failed"
-	[ "$value" = "$expected" ] ||
-		fail "expected list-sessions $flag to be '$expected' but got '$value'"
-}
-
 flags_lack()
 {
 	target=$1
@@ -169,12 +150,10 @@ $TMUX set-hook -g alert-silence \
 # alert-bell and sets the bell flag, shown as ! in window_flags.
 $TMUX neww -d -t mon: -n bellw cat || fail "new-window bellw failed"
 assert_fmt_unchanged mon:bellw '#{window_bell_flag}' 0
-assert_session_flag bell 0 bellw
 flags_lack mon:bellw '!'
 bell mon:bellw
 wait_for @log '|alert-bell:mon:bellw'
 wait_for_fmt mon:bellw '#{window_bell_flag}' 1
-assert_session_flag bell 1 bellw
 flags_have mon:bellw '!'
 
 # Bells are not deduplicated: a second bell fires the hook again even
@@ -185,7 +164,6 @@ wait_for @log '|alert-bell:mon:bellw|alert-bell:mon:bellw'
 # Selecting the window clears the alert flags.
 $TMUX selectw -t mon:bellw || fail "select-window bellw failed"
 wait_for_fmt mon:bellw '#{window_bell_flag}' 0
-assert_session_flag bell 0 bellw
 flags_lack mon:bellw '!'
 $TMUX selectw -t mon:w0 || fail "select-window w0 failed"
 
@@ -195,7 +173,6 @@ $TMUX set -g @log '' || fail "reset @log failed"
 bell mon:w0
 wait_for @log '|alert-bell:mon:w0'
 wait_for_fmt mon:w0 '#{window_bell_flag}' 1
-assert_session_flag bell 1 bellw
 $TMUX selectw -t mon:bellw || fail "select-window bellw failed"
 $TMUX selectw -t mon:w0 || fail "select-window w0 failed"
 wait_for_fmt mon:w0 '#{window_bell_flag}' 0
@@ -222,7 +199,6 @@ $TMUX neww -d -t mon: -n actw cat || fail "new-window actw failed"
 $TMUX set -g @log '' || fail "reset @log failed"
 activity mon:actw
 assert_fmt_unchanged mon:actw '#{window_activity_flag}' 0
-assert_session_flag activity 0 actw
 assert_unchanged @log ''
 
 # With monitor-activity on, output fires alert-activity and sets the
@@ -232,7 +208,6 @@ $TMUX set -wt mon:actw monitor-activity on ||
 activity mon:actw
 wait_for @log '|alert-activity:mon:actw'
 wait_for_fmt mon:actw '#{window_activity_flag}' 1
-assert_session_flag activity 1 actw
 flags_have mon:actw '#'
 
 # While the flag is set further activity does not fire the hook again.
@@ -259,7 +234,6 @@ exec 3>"$OUT/fifo"
 wait_for_fmt mon: '#{session_attached}' 1
 $TMUX selectw -t mon:actw || fail "select-window actw failed"
 wait_for_fmt mon:actw '#{window_activity_flag}' 0
-assert_session_flag activity 0 actw
 flags_lack mon:actw '#'
 $TMUX selectw -t mon:w0 || fail "select-window w0 failed"
 exec 3>&-
@@ -276,7 +250,6 @@ $TMUX set -wt mon:w0 monitor-activity on ||
 $TMUX set -g @log '' || fail "reset @log failed"
 activity mon:w0
 wait_for_fmt mon:w0 '#{window_activity_flag}' 1
-assert_session_flag activity 1 actw
 assert_unchanged @log ''
 $TMUX set -wut mon:w0 monitor-activity ||
 	fail "unset monitor-activity w0 failed"
@@ -300,19 +273,16 @@ $TMUX selectw -t mon:w0 || fail "select-window w0 failed"
 # running.
 $TMUX neww -d -t mon: -n silw cat || fail "new-window silw failed"
 assert_fmt_unchanged mon:silw '#{window_silence_flag}' 0
-assert_session_flag silence 0 silw
 $TMUX set -g @log '' || fail "reset @log failed"
 $TMUX set -wt mon:silw monitor-silence 1 || fail "set monitor-silence failed"
 wait_for @log '|alert-silence:mon:silw'
 wait_for_fmt mon:silw '#{window_silence_flag}' 1
-assert_session_flag silence 1 silw
 flags_have mon:silw '~'
 assert_unchanged @log '|alert-silence:mon:silw'
 $TMUX set -wt mon:silw monitor-silence 0 ||
 	fail "reset monitor-silence failed"
 $TMUX selectw -t mon:silw || fail "select-window silw failed"
 wait_for_fmt mon:silw '#{window_silence_flag}' 0
-assert_session_flag silence 0 silw
 flags_lack mon:silw '~'
 $TMUX selectw -t mon:w0 || fail "select-window w0 failed"
 

regress/capture-pane-time.sh

@@ -1,38 +0,0 @@
-#!/bin/sh
-
-# capture-pane -I line timestamps
-
-PATH=/bin:/usr/bin
-TERM=screen
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-TMP=$(mktemp)
-trap '$TMUX kill-server 2>/dev/null; rm -f "$TMP"' 0 1 15
-$TMUX kill-server 2>/dev/null
-
-before=$(date +%s)
-$TMUX new-session -d -x 40 -y 5 'seq 1 12; sleep 10' || exit 1
-sleep 1
-after=$(date +%s)
-
-$TMUX capture-pane -pILF -S - -E - >"$TMP" || exit 1
-awk -v before="$before" -v after="$after" '
-	$1 !~ /^-?[0-9]+$/ || $2 !~ /^[0-9]+$/ { exit 1 }
-	$4 == "1" {
-		if ($2 < before || $2 > after)
-			exit 1
-		history = 1
-	}
-	$4 == "9" {
-		if ($2 != 0)
-			exit 1
-		visible = 1
-	}
-	END { if (!history || !visible) exit 1 }
-' "$TMP" || {
-	cat "$TMP"
-	exit 1
-}
-
-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/codepoint-widths.sh

@@ -1,53 +0,0 @@
-#!/bin/sh
-
-# Width cache ranges must include their endpoint without overflowing wchar_t.
-
-PATH=/bin:/usr/bin
-TERM=screen
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-SERVER=
-WATCHDOG=
-
-cleanup()
-{
-	if [ -n "$WATCHDOG" ]; then
-		kill "$WATCHDOG" 2>/dev/null
-		wait "$WATCHDOG" 2>/dev/null
-	fi
-	[ -n "$SERVER" ] && kill -9 "$SERVER" 2>/dev/null
-}
-trap cleanup 0
-trap 'exit 1' 1 2 15
-
-$TMUX new-session -d 'exec sleep 60' || exit 1
-SERVER=$($TMUX display-message -p '#{pid}') || exit 1
-
-# kill-server cannot stop a server stuck rebuilding the width cache.
-(
-	sleep 5
-	kill -9 "$SERVER" 2>/dev/null
-) &
-WATCHDOG=$!
-
-$TMUX set -g codepoint-widths 'U+1F600=2' || exit 1
-
-# Cover both signed and unsigned 32-bit wchar_t. Values above WCHAR_MAX
-# are ignored by the parser on platforms where they cannot be represented.
-for value in U+7FFFFFFF=1 U+7FFFFFFE-U+7FFFFFFF=2 \
-    U+FFFFFFFF=1 U+FFFFFFFE-U+FFFFFFFF=2; do
-	$TMUX set -g codepoint-widths "$value" || exit 1
-	[ "$($TMUX display-message -p alive)" = alive ] || exit 1
-done
-
-# Check that an ordinary range still includes both endpoints and stops there.
-$TMUX set -g codepoint-widths 'U+03B1-U+03B3=2' || exit 1
-$TMUX set -g @text 'αβγδ' || exit 1
-[ "$($TMUX display-message -p '#{w:@text}')" = 7 ] || exit 1
-$TMUX set -gu codepoint-widths || exit 1
-[ "$($TMUX display-message -p '#{w:@text}')" = 4 ] || exit 1
-
-$TMUX kill-server || exit 1
-SERVER=
-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-exit-stalled.sh

@@ -17,7 +17,7 @@ PATH=/bin:/usr/bin
 TERM=screen
 
 [ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -Ltest$$"
+TMUX="$TEST_TMUX -Ltest"
 $TMUX kill-server 2>/dev/null
 
 DIR=$(mktemp -d)

regress/control-client-exit.sh

@@ -19,7 +19,7 @@ PATH=/bin:/usr/bin
 TERM=screen
 
 [ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -Ltest$$"
+TMUX="$TEST_TMUX -Ltest"
 $TMUX kill-server 2>/dev/null
 
 DIR=$(mktemp -d)

regress/control-client-new-layouts.sh

@@ -1,123 +0,0 @@
-#!/bin/sh
-
-# Check that control client flags are available in every format expansion path
-# used to produce layouts. The layout strings themselves are tested separately.
-
-PATH=/bin:/usr/bin
-TERM=screen
-LC_ALL=C.UTF-8
-LANG=C.UTF-8
-export PATH TERM LC_ALL LANG
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-
-DIR=$(mktemp -d) || exit 1
-FIFO=$DIR/input
-OUT=$DIR/output
-CFG=$DIR/flags.conf
-PID=
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	exec 3>&-
-	[ -n "$PID" ] && kill "$PID" 2>/dev/null
-	$TMUX kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup EXIT
-
-wait_for()
-{
-	pattern=$1
-	i=0
-
-	while [ "$i" -lt 50 ]; do
-		grep -F -- "$pattern" "$OUT" >/dev/null 2>&1 && return 0
-		if [ -n "$PID" ] && ! kill -0 "$PID" 2>/dev/null; then
-			fail "control client exited waiting for: $pattern"
-		fi
-		sleep 0.1
-		i=$((i + 1))
-	done
-	fail "missing: $pattern"
-}
-
-send()
-{
-	printf '%s\n' "$*" >&3
-}
-
-check_commands()
-{
-	name=$1
-	expected=$2
-	match='#{m:*new-layouts*,#{client_flags}}'
-
-	send "display-message -p 'DISPLAY-$name $match'"
-	wait_for "DISPLAY-$name $expected"
-	send "list-panes -F 'PANES-$name $match'"
-	wait_for "PANES-$name $expected"
-	send "list-windows -F 'WINDOWS-$name $match'"
-	wait_for "WINDOWS-$name $expected"
-	send "list-sessions -F 'SESSIONS-$name $match'"
-	wait_for "SESSIONS-$name $expected"
-	send "list-clients -F 'CLIENTS-$name $match'"
-	wait_for "CLIENTS-$name $expected"
-}
-
-check_config()
-{
-	name=$1
-	expected=$2
-
-	send "source-file '$CFG'"
-	send "display-message -p 'CONFIG-$name #{@config-new-layouts}'"
-	wait_for "CONFIG-$name $expected"
-}
-
-cat >"$CFG" <<'EOF'
-%if #{m:*new-layouts*,#{client_flags}}
-set-option -g @config-new-layouts 1
-%else
-set-option -g @config-new-layouts 0
-%endif
-EOF
-
-$TMUX kill-server 2>/dev/null
-$TMUX new-session -d -s layouts -x 80 -y 24 || exit 1
-$TMUX split-window -h -t layouts: || exit 1
-
-mkfifo "$FIFO" || exit 1
-: >"$OUT"
-$TMUX -C attach-session -t layouts <"$FIFO" >"$OUT" 2>&1 &
-PID=$!
-exec 3>"$FIFO"
-
-send 'display-message -p READY'
-wait_for READY
-
-check_commands OFF 0
-check_config OFF 0
-
-send 'refresh-client -f new-layouts'
-check_commands ON 1
-check_config ON 1
-
-send 'refresh-client -f !new-layouts'
-check_commands OFF-AGAIN 0
-check_config OFF-AGAIN 0
-
-# The list commands also run for unattached command clients. Supplying that
-# client to formats must not make the session loop dereference a NULL session.
-$TMUX list-sessions -F '#{S:all,active}' >/dev/null ||
-	fail "session loop failed for unattached command client"
-$TMUX has-session -t layouts || fail "server exited"
-
-exit 0

regress/control-client-popup.sh

@@ -1,64 +0,0 @@
-#!/bin/sh
-
-# Popups require an attached terminal 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/control-client-sanity.sh

@@ -30,11 +30,8 @@ killw
 EOF
 sleep 1
 $TMUX has || exit 1
-# Use a control client to request legacy layouts, keeping only pane lines
-# from the control protocol output.
-$TMUX -C lsp -aF '#{pane_id} #{window_layout}' |
-	grep '^%[0-9]' >$TMP || exit 1
-cat <<EOF|cmp $TMP - || exit 1
+$TMUX lsp -aF '#{pane_id} #{window_layout}' >$TMP || exit 1
+cat <<EOF|cmp -s $TMP - || exit 1
 %0 f5ab,200x200,0,0[200x50,0,0,0,200x149,0,51,3]
 %3 f5ab,200x200,0,0[200x50,0,0,0,200x149,0,51,3]
 %2 dcbd,200x200,0,0[200x100,0,0,2,200x99,0,101,4]

regress/control-client-wait-exit.sh

@@ -10,7 +10,7 @@ PATH=/bin:/usr/bin
 TERM=screen
 
 [ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -Ltest$$"
+TMUX="$TEST_TMUX -Ltest"
 $TMUX kill-server 2>/dev/null
 
 FIFO=$(mktemp -u)

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-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/copy-mode-source-blank.sh

@@ -1,63 +0,0 @@
-#!/bin/sh
-
-# Trimming a blank source must leave a visible line for cursor reflow.
-
-PATH=/bin:/usr/bin
-TERM=screen
-export PATH TERM
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$TMUX kill-server 2>/dev/null
-}
-trap cleanup 0
-trap 'exit 1' 1 2 3 15
-
-$TMUX new-session -d -x80 -y24 -s test 'sleep 100' || exit 1
-$TMUX set-option -g window-size manual || exit 1
-$TMUX new-window -t test:1 'sleep 100' || exit 1
-$TMUX resize-window -t test:0 -x20 -y24 || exit 1
-
-# Exercise widening, narrowing, and equal widths with no source history.
-for pair in '0 1' '1 0' '1 2'; do
-	set -- $pair
-	if [ "$2" = 2 ]; then
-		$TMUX new-window -t test:2 'sleep 100' || exit 1
-		$TMUX resize-window -t test:2 -x80 -y24 || exit 1
-	fi
-	source=test:$1.0
-	target=test:$2.0
-	[ "$($TMUX display-message -p -t "$source" '#{history_size}')" = 0 ] ||
-		fail "source has unexpected history"
-	$TMUX copy-mode -s "$source" -t "$target" || exit 1
-	$TMUX has-session -t test || fail "server died copying blank source"
-	[ "$($TMUX display-message -p -t "$target" \
-	    '#{pane_in_mode} #{copy_cursor_x} #{copy_cursor_y}')" = '1 0 0' ] ||
-		fail "blank source did not enter copy mode at the first cell"
-	$TMUX send-keys -t "$target" -X cancel || exit 1
-done
-
-# Real content still trims trailing empty lines, clamping the cursor to beta.
-$TMUX respawn-pane -k -t test:0.0 \
-	"printf 'alpha\r\nbeta\r\n\r\n\r\n'; exec sleep 100" || exit 1
-i=0
-while [ "$($TMUX display-message -p -t test:0.0 '#{cursor_y}')" != 4 ]; do
-	i=$((i + 1))
-	[ "$i" -lt 10 ] || fail "source output did not arrive"
-	sleep 1
-done
-$TMUX copy-mode -s test:0.0 -t test:1.0 || exit 1
-[ "$($TMUX display-message -p -t test:1.0 \
-    '#{pane_in_mode} #{copy_cursor_y} #{copy_cursor_line}')" = '1 1 beta' ] ||
-	fail "nonblank source content or trailing-line trimming changed"
-
-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/floating-pane-geometry.sh

@@ -268,149 +268,5 @@ $TMUX kill-pane -t "$floating" || exit 1
 $TMUX kill-pane -t "$right" || exit 1
 $TMUX kill-pane -t "$lower" || exit 1
 
-# --- Floating panes clamped when the window shrinks (issue #5581, PR #5582) ---
-#
-# layout_resize clamps floating panes back inside the window when it shrinks:
-# move them and, only if they cannot fit, shrink them (never below
-# PANE_MINIMUM). A floating cell is the pane's content, so with the default
-# single-line border the clamp counts 1 cell of border per side, exactly as
-# layout_floating_args_parse does on creation; with no border it counts 0.
-# Each case below gets its own window, since resize-window fixes a window at
-# a manual size for the rest of its life.
-
-# Case 1: a lone floating pane -- break-pane -W on a window's only pane --
-# takes the early-return path in layout_resize, added during PR #5582's
-# review round, since there is no tiled tree to walk.
-win=$($TMUX new-window -dPF '#{window_id}') ||
-	fail "new-window for lone float failed"
-
-# -x 20 -y 6 -> pane 18x4; -X 60 -Y 18 -> pane_left 61, pane_top 19: with the
-# border, the footprint is columns 60-79, rows 18-23, flush with the 80x24
-# window's right and bottom edges, so the float fits before it is shrunk.
-$TMUX break-pane -W -s "$win" -x 20 -y 6 -X 60 -Y 18 ||
-	fail "break-pane -W for lone float failed"
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_width}')"  18
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_height}')" 4
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_left}')"   61
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_top}')"    19
-
-# Shrink to 40x16. The float still fits at its own size (18 <= 40-2, 4 <=
-# 16-2) so only its position moves, flush to the new right/bottom edges:
-# xoff = 40 - 18 - 1 = 21; yoff = 16 - 4 - 1 = 11.
-$TMUX resize-window -t "$win" -x 40 -y 16 ||
-	fail "resize-window (lone float) failed"
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_width}')"  18
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_height}')" 4
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_left}')"   21
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_top}')"    11
-
-# Case 5: grow the window back. The clamp must not chase the window back
-# outward -- it only ever pulls a float in, never restores where it was.
-$TMUX resize-window -t "$win" -x 80 -y 24 ||
-	fail "resize-window grow (lone float) failed"
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_width}')"  18
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_height}')" 4
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_left}')"   21
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_top}')"    11
-$TMUX kill-window -t "$win" || exit 1
-
-# Case 2: the same float, but with a tiled sibling surviving alongside it, so
-# the window's root cell stays tiled and layout_resize takes the normal path
-# (the clamp call after layout_fix_offsets) instead of the early return
-# above. Same geometry as case 1, so the same numbers should come out.
-win=$($TMUX new-window -dPF '#{window_id}') ||
-	fail "new-window for tiled sibling failed"
-$TMUX split-window -t "$win" 'sleep 100' ||
-	fail "split-window for tiled sibling failed"
-$TMUX break-pane -W -s "$win" -x 20 -y 6 -X 60 -Y 18 ||
-	fail "break-pane -W for tiled sibling failed"
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_width}')"  18
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_height}')" 4
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_left}')"   61
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_top}')"    19
-
-$TMUX resize-window -t "$win" -x 40 -y 16 ||
-	fail "resize-window (tiled sibling) failed"
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_width}')"  18
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_height}')" 4
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_left}')"   21
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_top}')"    11
-$TMUX kill-window -t "$win" || exit 1
-
-# Case 3: new-pane float, the original repro from issue #5581 and the PR
-# body -- also the normal path, via the tiled base pane new-window creates.
-win=$($TMUX new-window -dPF '#{window_id}') ||
-	fail "new-window for new-pane repro failed"
-$TMUX resize-window -t "$win" -x 120 -y 40 ||
-	fail "resize-window to 120x40 failed"
-
-# -x 30 -y 10 -> pane 28x8; -X 85 -Y 25 -> pane_left 86, pane_top 26.
-floating=$($TMUX new-pane -t "$win" -dPF '#{pane_id}' \
-	-x 30 -y 10 -X 85 -Y 25 'sleep 100') ||
-	fail "new-pane for new-pane repro failed"
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_width}')"  28
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_height}')" 8
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_left}')"   86
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_top}')"    26
-
-# Shrink to 60x20: xoff = 60 - 28 - 1 = 31; yoff = 20 - 8 - 1 = 11.
-$TMUX resize-window -t "$win" -x 60 -y 20 ||
-	fail "resize-window (new-pane repro) failed"
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_width}')"  28
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_height}')" 8
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_left}')"   31
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_top}')"    11
-$TMUX kill-window -t "$win" || exit 1
-
-# Case 4: a float that already fits inside the shrunk window is left alone --
-# assert position and size are both unchanged, not just one of them.
-win=$($TMUX new-window -dPF '#{window_id}') ||
-	fail "new-window for untouched float failed"
-
-# -x 20 -y 6 -> pane 18x4; -X 8 -Y 3 -> pane_left 9, pane_top 4 (as at the top
-# of this file). Footprint columns 8-27, rows 3-8: well inside 60x20 too.
-floating=$($TMUX new-pane -t "$win" -dPF '#{pane_id}' \
-	-x 20 -y 6 -X 8 -Y 3 'sleep 100') ||
-	fail "new-pane for untouched float failed"
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_width}')"  18
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_height}')" 4
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_left}')"   9
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_top}')"    4
-
-$TMUX resize-window -t "$win" -x 60 -y 20 ||
-	fail "resize-window (untouched float) failed"
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_width}')"  18
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_height}')" 4
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_left}')"   9
-must_equal "$($TMUX display-message -p -t "$floating" '#{pane_top}')"    4
-$TMUX kill-window -t "$win" || exit 1
-
-# Case 6: pad = 0, via the pane-border-lines window option set to none. The
-# border arithmetic differs here (no -2/+1 adjustment either on creation or
-# in the clamp).
-win=$($TMUX new-window -dPF '#{window_id}') ||
-	fail "new-window for pad=0 float failed"
-$TMUX set-option -w -t "$win" pane-border-lines none ||
-	fail "set pane-border-lines none failed"
-
-# No border: -x 20 -y 6 -> pane 20x6 directly; -X 60 -Y 18 -> pane_left 60,
-# pane_top 18 directly. Footprint (== content, no border) is columns 60-79,
-# rows 18-23: flush right/bottom of the 80x24 window, same as case 1.
-$TMUX break-pane -W -s "$win" -x 20 -y 6 -X 60 -Y 18 ||
-	fail "break-pane -W for pad=0 float failed"
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_width}')"  20
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_height}')" 6
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_left}')"   60
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_top}')"    18
-
-# Shrink to 40x16 with pad=0: xoff = 40 - 20 - 0 = 20; yoff = 16 - 6 - 0 = 10.
-$TMUX resize-window -t "$win" -x 40 -y 16 ||
-	fail "resize-window (pad=0 float) failed"
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_width}')"  20
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_height}')" 6
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_left}')"   20
-must_equal "$($TMUX display-message -p -t "$win" '#{pane_top}')"    10
-$TMUX kill-window -t "$win" || exit 1
-
 $TMUX kill-server 2>/dev/null
 exit 0

regress/floating-pane-zoom.sh

@@ -1,158 +0,0 @@
-#!/bin/sh
-
-# Moving, resizing and reordering an over-zoom float must leave the tiled
-# pane zoomed, and the changes must survive an explicit unzoom.
-
-PATH=/bin:/usr/bin
-TERM=screen
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-trap '$TMUX kill-server 2>/dev/null' 0
-trap 'exit 1' 1 2 15
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-run()
-{
-	$TMUX "$@" || fail "failed: $*"
-}
-
-check()
-{
-	got=$(run display-message -p -t "$1" "$2") || exit 1
-	[ "$got" = "$3" ] || fail "$1 $2: got '$got', expected '$3'"
-}
-
-check_zoom()
-{
-	check "$base" '#{window_zoomed_flag}:#{pane_zoomed_flag}' '1:1'
-	check "$float" '#{pane_floating_flag}:#{pane_active}' "1:$active"
-	check "$base" '#{@unzoomed}' ''
-}
-
-run new-session -d -x 80 -y 24
-base=$(run display-message -p '#{pane_id}') || exit 1
-other=$(run split-window -dPF '#{pane_id}') || exit 1
-layout=$(run display-message -p '#{window_layout}') || exit 1
-run set-hook -g window-unzoomed 'set -g @unzoomed 1'
-
-# Cover creation before and after zoom, with both the float and the tiled
-# pane active. Modal panes use the same over-zoom flag.
-for mode in before after detached modal; do
-	if [ "$mode" != before ]; then
-		run resize-pane -Z -t "$base"
-	fi
-	case "$mode" in
-	detached) flags=-Ad; active=0 ;;
-	modal) flags=-O; active=1 ;;
-	*) flags=-A; active=1 ;;
-	esac
-	float=$(run new-pane "$flags" -PF '#{pane_id}' -t "$base" \
-	    -x 20 -y 8 -X 8 -Y 3 '') || exit 1
-	if [ "$mode" = before ]; then
-		run resize-pane -Z -t "$base"
-	fi
-	run set -gu @unzoomed
-	check_zoom
-
-	run move-pane -t "$float" -D
-	check "$float" '#{pane_top}' 5
-	check_zoom
-	run move-pane -t "$float" -U 2 -R 3 -L 1
-	check "$float" '#{pane_left}:#{pane_top}' '11:3'
-	check_zoom
-	run move-pane -t "$float" -X 25% -Y 25%
-	check "$float" '#{pane_left}:#{pane_top}' '21:7'
-	check_zoom
-	run move-pane -t "$float" -P bottom-right
-	check "$float" '#{pane_left}:#{pane_top}' '61:17'
-	check_zoom
-	run resize-pane -t "$float" -x 30 -y 10
-	check "$float" '#{pane_width}:#{pane_height}' '28:8'
-	check_zoom
-	run resize-pane -t "$float" -U 1 -L 2
-	check "$float" '#{pane_left}:#{pane_top}:#{pane_width}:#{pane_height}' \
-	    '59:16:30:9'
-	check_zoom
-	run move-pane -t "$float" -P centre
-	check "$float" '#{pane_left}:#{pane_top}' '25:7'
-	check_zoom
-
-	# Failed commands must not change zoom either.
-	for command in 'move-pane -D invalid' 'move-pane -P invalid' \
-	    'move-pane -z invalid' 'resize-pane -x invalid' \
-	    'resize-pane -D invalid'; do
-		$TMUX $command -t "$float" 2>/dev/null &&
-		    fail "unexpected success: $command"
-		check_zoom
-	done
-
-	run resize-pane -Z -t "$base"
-	check "$float" '#{pane_left}:#{pane_top}:#{pane_width}:#{pane_height}' \
-	    '25:7:30:9'
-	run kill-pane -t "$float"
-	check "$base" '#{window_layout}' "$layout"
-done
-
-# Put an ordinary (hidden while zoomed) float between two over-zoom floats
-# in the stacking order. Reordering must skip it when counting visible
-# positions, but keep all floats ahead of the tiled panes after unzoom.
-back=$(run new-pane -AdPF '#{pane_id}' -t "$base" '') || exit 1
-hidden=$(run new-pane -dPF '#{pane_id}' -t "$base" '') || exit 1
-float=$(run new-pane -AdPF '#{pane_id}' -t "$base" '') || exit 1
-active=0
-run resize-pane -Z -t "$base"
-run set -gu @unzoomed
-
-for position in backward back forward-loop; do
-	run move-pane -t "$float" -P front
-	run move-pane -t "$float" -P "$position"
-	check "$float" '#{pane_z}' 1
-	check "$back" '#{pane_z}' 0
-	check_zoom
-done
-for position in forward front backward-loop; do
-	run move-pane -t "$float" -P back
-	run move-pane -t "$float" -P "$position"
-	check "$float" '#{pane_z}' 0
-	check "$back" '#{pane_z}' 1
-	check_zoom
-done
-for z in 1 0 99; do
-	run move-pane -t "$float" -z "$z"
-	want=$z
-	[ "$z" = 99 ] && want=1
-	check "$float" '#{pane_z}' "$want"
-	check_zoom
-done
-run resize-pane -Z -t "$base"
-check "$float" '#{pane_z}' 2
-check "$base" '#{pane_z}' 4
-run kill-pane -t "$hidden"
-run kill-pane -t "$back"
-
-# Explicit zoom toggling and operations on tiled panes retain their
-# existing behaviour. The over-zoom flag alone does not make a pane a float:
-# zooming the float itself gives it a tiled cell until unzoom.
-run resize-pane -Z -t "$float"
-check "$float" '#{pane_zoomed_flag}:#{pane_floating_flag}' '1:0'
-run resize-pane -t "$float" -x 25
-check "$float" '#{window_zoomed_flag}:#{pane_floating_flag}:#{pane_width}' \
-    '0:1:23'
-run resize-pane -Z -t "$base"
-run resize-pane -t "$other" -D 1
-check "$base" '#{window_zoomed_flag}' 0
-
-# A hidden ordinary float must still be unzoomed before resizing it.
-hidden=$(run new-pane -dPF '#{pane_id}' -t "$base" '') || exit 1
-run resize-pane -Z -t "$base"
-run resize-pane -t "$hidden" -x 25
-check "$hidden" '#{window_zoomed_flag}:#{pane_floating_flag}:#{pane_width}' \
-    '0:1:23'
-
-exit 0

regress/format-fuzzy.sh

@@ -7,8 +7,6 @@ TERM=screen
 
 [ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
 TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-trap '$TMUX kill-server 2>/dev/null' 0
-trap 'exit 1' 1 2 15
 
 # test_format $format $expected_result
 test_format()

regress/format-modifiers.sh

@@ -18,24 +18,6 @@ export TZ LANG LC_ALL
 
 [ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
 TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-FIFO1="${TMPDIR:-/tmp}/fmt-l-$$-1"
-FIFO2="${TMPDIR:-/tmp}/fmt-l-$$-2"
-HOLD1=
-HOLD2=
-CC1=
-CC2=
-
-cleanup()
-{
-	for pid in $HOLD1 $HOLD2 $CC1 $CC2; do
-		kill "$pid" 2>/dev/null
-		wait "$pid" 2>/dev/null
-	done
-	$TMUX kill-server 2>/dev/null
-	rm -f "$FIFO1" "$FIFO2"
-}
-trap cleanup 0
-trap 'exit 1' 1 2 15
 
 ESC=$(printf '\033')
 
@@ -597,6 +579,8 @@ assert_alive "verbose loop expansion"
 
 # L loops over attached clients.  Attach two control-mode clients, each held
 # open by a background process keeping a FIFO's write end open.
+FIFO1="${TMPDIR:-/tmp}/fmt-l-$$-1"
+FIFO2="${TMPDIR:-/tmp}/fmt-l-$$-2"
 rm -f "$FIFO1" "$FIFO2"
 mkfifo "$FIFO1" "$FIFO2" || exit 1
 # Hold the write ends open so the control clients stay attached.
@@ -621,9 +605,9 @@ test_format "#{L/nr:x}" "xx"
 test_format "#{L/r:x}" "xx"
 # Now detach one and confirm the count drops to one.
 kill $HOLD2 2>/dev/null
-wait $HOLD2 2>/dev/null
-HOLD2=
 sleep 1
 test_format "#{L:x}" "x"
+kill $HOLD1 $CC1 $CC2 2>/dev/null
+rm -f "$FIFO1" "$FIFO2"
 
 exit 0

regress/format-strings.sh

@@ -7,8 +7,6 @@ TERM=screen
 
 [ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
 TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-trap '$TMUX kill-server 2>/dev/null' 0
-trap 'exit 1' 1 2 15
 
 # test_format $format $expected_result
 test_format()

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-lifecycle.sh

@@ -76,14 +76,14 @@ $TMUX set-hook -g session-closed \
 	fail "set-hook session-closed failed"
 
 # The only pane of the only window of a session exits: pane-exited, then
-# session-closed, then window-unlinked, each seeing the dead object in the
+# window-unlinked, then session-closed, each seeing the dead object in the
 # hook formats.
 pane=$($TMUX new -d -s doomed -n dwin -P -F '#{pane_id}' 'true') ||
 	fail "new-session doomed failed"
 wait_for @log \
-	"|pane-exited:$pane|session-closed:doomed|window-unlinked:doomed:dwin"
+	"|pane-exited:$pane|window-unlinked:doomed:dwin|session-closed:doomed"
 assert_unchanged @log \
-	"|pane-exited:$pane|session-closed:doomed|window-unlinked:doomed:dwin"
+	"|pane-exited:$pane|window-unlinked:doomed:dwin|session-closed:doomed"
 
 # The dead pane, window and session cannot be used as targets but the
 # server survives.
@@ -110,14 +110,14 @@ $TMUX set-hook -g pane-exited \
 	'set -gF @log "#{@log}|pane-exited:#{hook_pane}"' ||
 	fail "restore pane-exited hook failed"
 
-# kill-window on the last window: session-closed then window-unlinked but
+# kill-window on the last window: window-unlinked then session-closed but
 # no pane-exited for the panes in the killed window.
 $TMUX set -g @log '' || fail "reset @log failed"
 $TMUX new -d -s doomed2 -n dwin2 || fail "new-session doomed2 failed"
 $TMUX splitw -d -t doomed2:0 || fail "split-window doomed2 failed"
 $TMUX kill-window -t doomed2:0 || fail "kill-window failed"
-wait_for @log '|session-closed:doomed2|window-unlinked:doomed2:dwin2'
-assert_unchanged @log '|session-closed:doomed2|window-unlinked:doomed2:dwin2'
+wait_for @log '|window-unlinked:doomed2:dwin2|session-closed:doomed2'
+assert_unchanged @log '|window-unlinked:doomed2:dwin2|session-closed:doomed2'
 $TMUX has -t main || fail "server died after kill-window chain"
 
 # kill-session: session-closed fires first, then window-unlinked for its

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/if-shell-error.sh

@@ -12,8 +12,7 @@ $TMUX kill-server 2>/dev/null
 
 TMP=$(mktemp)
 OUT=$(mktemp)
-trap 'rm -f "$TMP" "$OUT"; $TMUX kill-server 2>/dev/null' 0
-trap 'exit 1' 1 2 15
+trap "rm -f $TMP $OUT" 0 1 15
 
 cat <<EOF >$TMP
 if 'true' 'wibble wobble'

regress/input-common.inc

@@ -4,9 +4,6 @@ TERM=screen
 [ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
 TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
 
-# Keep panes alive until the next case or cleanup, without reading replies.
-INPUT_HOLD='while :; do sleep 3600; done'
-
 TMP=$(mktemp)
 EXP=$(mktemp)
 trap 'rm -f "$TMP" "$EXP"; $TMUX kill-server 2>/dev/null' 0 1 15
@@ -40,10 +37,10 @@ start_pane_hlimit()
 
 	$TMUX kill-server 2>/dev/null
 	sleep 0.1
-	$TMUX new-session -d -x 1 -y 1 -s test-setup "$INPUT_HOLD" || exit 1
+	$TMUX new-session -d -x 1 -y 1 -s test-setup "sleep 2" || exit 1
 	$TMUX set-option -g history-limit "$hlimit" || exit 1
 	$TMUX new-session -d -x "$sx" -y "$sy" -s "$name" \
-	    "printf '$seq'; $INPUT_HOLD" || exit 1
+	    "printf '$seq'; sleep 2" || exit 1
 	$TMUX kill-session -t test-setup
 	sleep 0.3
 }

regress/input-keys.sh

@@ -22,19 +22,7 @@ assert_key () {
 	      clear-history -t$W \; \
 	      send-keys -t$W "$key" 'EOL' || exit 1
 
-	# cat echoes the keys back asynchronously, so wait for the EOL marker
-	# to reach the pane instead of capturing straight away.
-	i=0
-	while [ $i -lt 50 ]; do
-		screen=$($TMUX capturep -pt$W)
-		case "$screen" in
-		*EOL*) break ;;
-		esac
-		i=$((i + 1))
-		sleep 0.1
-	done
-
-	actual_code=$(printf '%s\n' "$screen" | \
+	actual_code=$($TMUX capturep -pt$W | \
 			      head -1 | \
 			      sed -e 's/EOL.*$//')
 

regress/input-malformed.sh

@@ -2,38 +2,6 @@
 
 . ./input-common.inc
 
-# Wait for the terminator and following text to reach the parser.
-check_discard()
-{
-	name=$1
-	printf 'OK\n' >"$EXP"
-	i=0
-	while [ "$i" -lt 300 ]; do
-		capture_grid "$name" >"$TMP"
-		cmp -s "$TMP" "$EXP" && return 0
-		sleep 0.05
-		i=$((i + 1))
-	done
-	fail "$name (timed out waiting for discard)"
-}
-
-# The missing-terminator timer may expire before the string limit is reached
-# on a slow build. Clear any payload printed after the timeout, then check
-# that the string did not change the title and normal output has resumed.
-test_discard()
-{
-	name=$1
-	prefix=$2
-	start_cmd "$name" 8 3 "$INPUT_HOLD"
-	$TMUX select-pane -T discard-test || exit 1
-	$TMUX respawn-pane -k \
-	    "perl -e 'print qq{$prefix}, q{x} x 1100000, qq{\e\\\\\e[H\e[2JOK}'; $INPUT_HOLD" || exit 1
-	check_discard "$name"
-	$TMUX display-message -p -t "$name:" '#{pane_title}' >"$TMP" || exit 1
-	printf 'discard-test\n' >"$EXP"
-	cmp "$TMP" "$EXP" || fail "$name title"
-}
-
 start_cmd csi-param-discard 8 3 \
     "perl -e 'print qq{\e[}, q{1} x 80, qq{\030OK}'; sleep 2"
 check_capture csi-param-discard 'OK'
@@ -42,8 +10,13 @@ start_cmd csi-interm-discard 8 3 \
     "perl -e 'print qq{\e[    \030OK}'; sleep 2"
 check_capture csi-interm-discard 'OK'
 
-test_discard osc-discard '\e]2;'
-test_discard apc-discard '\e_'
+start_cmd osc-discard 8 3 \
+    "perl -e 'print qq{\e]2;}, q{x} x 1100000, qq{\e\\\\OK}'; sleep 2"
+check_capture osc-discard 'OK'
+
+start_cmd apc-discard 8 3 \
+    "perl -e 'print qq{\e_}, q{x} x 1100000, qq{\e\\\\OK}'; sleep 2"
+check_capture apc-discard 'OK'
 
 start_pane unknown-csi 8 3 '\033[?9999zOK'
 check_capture unknown-csi 'OK'

regress/input-scroll.sh

@@ -51,7 +51,7 @@ $TMUX kill-server 2>/dev/null
 sleep 0.1
 $TMUX new-session -d -x 5 -y 3 -s history \; \
     set-option -g history-limit 3 \; \
-    respawn-pane -k "printf '01\n02\n03\n04\n05\n06'; $INPUT_HOLD" || exit 1
+    respawn-pane -k "printf '01\n02\n03\n04\n05\n06'; sleep 2" || exit 1
 sleep 0.3
 $TMUX capture-pane -pN -t history: -S - -E - | normalize_capture >"$TMP"
 printf "%s\n" '01

regress/json.sh

@@ -1,137 +0,0 @@
-#!/bin/sh
-
-# Test parsing and printing JSON with display-message -j.
-
-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
-
-fail()
-{
-	echo "$1"
-	$TMUX kill-server 2>/dev/null
-	exit 1
-}
-
-check()
-{
-	actual=$($TMUX display-message -plj "$1" 2>&1) ||
-	    fail "JSON was rejected: $1: $actual"
-	[ "$actual" = "$2" ] ||
-	    fail "JSON output mismatch: $1: expected $2, got $actual"
-}
-
-check_fail()
-{
-	if $TMUX display-message -plj "$1" >/dev/null 2>&1; then
-		fail "invalid JSON was accepted: $1"
-	fi
-}
-
-$TMUX new-session -d || exit 1
-
-check '{}' '{}'
-check ' { "z":true, "a":-9223372036854775808, "m":[{}, {"x":false}] } ' \
-    '{"a":-9223372036854775808,"m":[{},{"x":false}],"z":true}'
-check '{"max":9223372036854775807,"min":-9223372036854775808}' \
-    '{"max":9223372036854775807,"min":-9223372036854775808}'
-check '{" key":" value","{key":"[value"}' \
-    '{" key":" value","{key":"[value"}'
-check '{"brace":"{value","bracket":"[value","colon":":value",'\
-'"comma":",value","space":" value"}' \
-    '{"brace":"{value","bracket":"[value","colon":":value",'\
-'"comma":",value","space":" value"}'
-check '{"esc":"\"\\\/\b\f\n\r\t\u0041"}' \
-    '{"esc":"\"\\\/\b\f\n\r\t\u0041"}'
-check '{"unicode":"\u0123\uabcd\uABCD"}' \
-    '{"unicode":"\u0123\uabcd\uABCD"}'
-
-actual=$($TMUX display-message -palj '{}' 2>&1) ||
-    fail "display-message -aj rejected JSON: $actual"
-[ "$actual" = '{}' ] ||
-    fail "display-message -aj did not ignore -a: got $actual"
-actual=$($TMUX display-message -pIlj '{}' 2>&1) ||
-    fail "display-message -Ij rejected JSON: $actual"
-[ "$actual" = '{}' ] ||
-    fail "display-message -Ij did not ignore -I: got $actual"
-
-check_fail ''
-check_fail '   '
-check_fail '[]'
-check_fail 'true'
-check_fail '1'
-check_fail '"string"'
-check_fail '{}{}'
-
-check_fail '{'
-check_fail '{x:1}'
-check_fail '{"":1}'
-check_fail '{"x" 1}'
-check_fail '{"x",1}'
-check_fail '{"x":}'
-check_fail '{"x":,}'
-check_fail '{"x":1'
-check_fail '{"x":1 "y":2}'
-check_fail '{"x":1,,"y":2}'
-check_fail '{"x":1,}'
-check_fail '{"x":1,"x":2}'
-check_fail '{"x":{}}{}'
-check_fail '{"x":{}} trailing'
-check_fail '{"x":{'
-check_fail '{"x":{}'
-
-check_fail '{"x":['
-check_fail '{"x":[}'
-check_fail '{"x":[{}'
-check_fail '{"x":[{},}'
-check_fail '{"x":[{},]}'
-check_fail '{"x":[{}{}]}'
-check_fail '{"x":[{},,{}]}'
-check_fail '{"x":[{"y":}]}'
-check_fail '{"x":""}'
-check_fail '{"x":null}'
-check_fail '{"x":[null]}'
-check_fail '{"x":[true]}'
-check_fail '{"x":["string"]}'
-check_fail '{"x":[[]]}'
-check_fail '{"x":1.0}'
-check_fail '{"x":1e2}'
-check_fail '{"x":+1}'
-check_fail '{"x":-}'
-check_fail '{"x":0x10}'
-check_fail '{"x":01}'
-check_fail '{"x":-01}'
-check_fail '{"x":[1]}'
-check_fail '{"x":9223372036854775808}'
-check_fail '{"x":-9223372036854775809}'
-check_fail '{"x":tru}'
-check_fail '{"x":True}'
-check_fail '{"x":falsee}'
-check_fail '{"x":"bad\q"}'
-check_fail '{"x":"bad\x20"}'
-check_fail '{"x":"bad\u123"}'
-check_fail '{"x":"bad\u12x4"}'
-check_fail '{"x":"unterminated}'
-check_fail '{"x":"escaped quote\"}'
-check_fail '{"x":"line
-break"}'
-
-# The maximum object nesting depth is 200.
-json='{}'
-n=1
-while [ "$n" -lt 200 ]; do
-	json='{"x":'"$json"'}'
-	n=$((n + 1))
-done
-check "$json" "$json"
-check_fail '{"x":'"$json"'}'
-
-if $TMUX display-message -pj >/dev/null 2>&1; then
-	fail "display-message -j accepted a missing message"
-fi
-
-$TMUX kill-server 2>/dev/null
-exit 0

regress/kill-session-zoomed.sh

@@ -1,28 +0,0 @@
-#!/bin/sh
-
-# Killing a session whose window is zoomed must not crash the server:
-# window_destroy used to unzoom the window, which resized the panes and
-# fired pane-resized with the window in the payload, and releasing that
-# reference destroyed the window a second time.
-
-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 -f/dev/null new -d -sfoo || exit 1
-$TMUX split-window -d -h -tfoo:0 || exit 1
-$TMUX resize-pane -Z -tfoo:0 || exit 1
-$TMUX new -d -sbar || exit 1
-$TMUX kill-session -tfoo || exit 1
-$TMUX has-session -tbar || exit 1
-
-# The same with the zoomed window in a session killed by kill-server.
-$TMUX new -d -sbaz || exit 1
-$TMUX split-window -d -v -tbaz:0 || exit 1
-$TMUX resize-pane -Z -tbaz:0 || exit 1
-$TMUX kill-server || exit 1
-
-exit 0

regress/layout-nesting-limit.sh

@@ -1,77 +0,0 @@
-#!/bin/sh
-
-# Version 1 layouts must reject excessive nesting without losing the session or
-# changing its layout. Check both split types and the depth limit boundary.
-
-PATH=/bin:/usr/bin
-TERM=screen
-export PATH TERM
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-DIR=$(mktemp -d) || exit 1
-TMUX="$TEST_TMUX -S$DIR/socket -f/dev/null"
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-cleanup()
-{
-	$TMUX kill-server 2>/dev/null
-	rm -rf "$DIR"
-}
-trap cleanup 0
-trap 'exit 1' 1 2 15
-
-# Generate a checksum-valid v1 layout with one child in every nested group.
-layout()
-{
-	awk -v depth="$1" -v open="$2" 'BEGIN {
-		closing = (open == "{" ? "}" : "]")
-		body = ""
-		for (i = 0; i < depth; i++)
-			body = body "1x1,0,0" open
-		body = body "1x1,0,0"
-		for (i = 0; i < depth; i++)
-			body = body closing
-
-		ord["0"] = 48; ord["1"] = 49; ord["x"] = 120
-		ord[","] = 44; ord["{"] = 123; ord["}"] = 125
-		ord["["] = 91; ord["]"] = 93
-		csum = 0
-		for (i = 1; i <= length(body); i++) {
-			c = substr(body, i, 1)
-			bit = csum % 2
-			csum = int(csum / 2) + bit * 32768
-			csum = (csum + ord[c]) % 65536
-		}
-		printf "%04x,%s", csum, body
-	}'
-}
-
-$TMUX new-session -d -s deep -x80 -y24 'exec sleep 100' || exit 1
-
-for open in '{' '['; do
-	# A valid checksum and nesting up to the limit must still be accepted.
-	value=$(layout 1000 "$open") || fail "could not generate layout"
-	$TMUX select-layout -t deep "$value" ||
-		fail "layout at the depth limit was rejected ($open)"
-	before=$($TMUX display-message -p -t deep \
-	    '#{pane_id} #{pane_width} #{pane_height} #{window_layout}') || exit 1
-
-	for depth in 1001 1500; do
-		value=$(layout "$depth" "$open") || fail "could not generate layout"
-		$TMUX select-layout -t deep "$value" >/dev/null 2>&1 &&
-			fail "excessive nesting was accepted ($open, $depth)"
-		$TMUX has-session -t deep ||
-			fail "server died on excessive nesting ($open, $depth)"
-		after=$($TMUX display-message -p -t deep \
-		    '#{pane_id} #{pane_width} #{pane_height} #{window_layout}') || exit 1
-		[ "$before" = "$after" ] ||
-			fail "pane or layout changed after rejection ($open, $depth)"
-	done
-done
-
-exit 0

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/modal-pane.sh

@@ -337,9 +337,9 @@ $TMUX set -g @modal-prefix no
 $TMUX set -g @modal-root no
 $TMUX bind -n z set -g @modal-root yes
 
-modal=$($TMUX new-pane -ODKPF '#{pane_id}' -t "$p0" \
+modal=$($TMUX new-pane -OKPF '#{pane_id}' -t "$p0" \
     -x 20 -y 5 -X 20 -Y 10 'cat') ||
-	fail "new-pane -ODK failed"
+	fail "new-pane -OK failed"
 sleep 1
 $TMUX2 send-keys -t "$OUTER" C-b x z Enter
 sleep 1
@@ -356,151 +356,9 @@ new_left=$(fmt "$modal" '#{pane_left}')
 new_top=$(fmt "$modal" '#{pane_top}')
 [ "$new_left" -gt "$left" ] || [ "$new_top" -gt "$top" ] ||
 	fail "key-capturing modal pane did not move"
-$TMUX2 send-keys -t "$OUTER" Escape
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" ''
-
-modal=$($TMUX new-pane -ODKPF '#{pane_id}' -t "$p0" \
-    -x 20 -y 5 -X 20 -Y 10 'trap "" INT; exec cat') ||
-	fail "new-pane -ODK failed"
-sleep 1
-$TMUX2 send-keys -t "$OUTER" C-c
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" ''
-
-# A dead modal does not close on Escape or C-c without -D.
-modal=$($TMUX new-pane -OPF '#{pane_id}' -t "$p0" \
-    -x 20 -y 5 -X 20 -Y 10 'sleep 1') ||
-	fail "new-pane -O failed"
-check_ok set-option -p -t "$modal" remain-on-exit on
-sleep 2
-must_equal "$(fmt "$modal" '#{pane_dead}:#{pane_modal_flag}')" 1:1
-$TMUX2 send-keys -t "$OUTER" Escape
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" "$modal"
 check_ok kill-pane -t "$modal"
 sleep 1
 
-# failed-key closes successful panes and retains failed panes until a key.
-modal=$($TMUX new-pane -OPF '#{pane_id}' -t "$p0" \
-    -x 20 -y 5 -X 20 -Y 10 'sleep 1') ||
-	fail "new-pane -O failed"
-check_ok set-option -p -t "$modal" remain-on-exit failed-key
-sleep 2
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" ''
-
-modal=$($TMUX new-pane -OPF '#{pane_id}' -t "$p0" \
-    -x 20 -y 5 -X 20 -Y 10 'sleep 1; exit 1') ||
-	fail "new-pane -O failed"
-check_ok set-option -p -t "$modal" remain-on-exit failed-key
-sleep 2
-must_equal "$(fmt "$modal" '#{pane_dead}:#{pane_modal_flag}')" 1:1
-must_equal "$($TMUX show-options -pv -t "$modal" remain-on-exit)" failed-key
-$TMUX2 send-keys -t "$OUTER" a
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" ''
-
-$TMUX bind P display-popup -E -t "$p0" -w 20 -h 5 -T popup-title 'cat'
-$TMUX2 send-keys -t "$OUTER" C-b P
-sleep 1
-modal=$(fmt modal:0 '#{window_modal_pane}')
-[ -n "$modal" ] || fail "display-popup did not create a modal pane"
-must_equal "$(fmt "$modal" '#{pane_title}')" popup-title
-must_equal "$($TMUX show-options -pv -t "$modal" pane-border-status)" top
-must_equal "$($TMUX show-options -pv -t "$modal" pane-border-format)" \
-	'#{pane_title}'
-$TMUX2 send-keys -t "$OUTER" C-b x z Enter
-sleep 1
-must_equal "$($TMUX show -gv @modal-prefix)" no
-must_equal "$($TMUX show -gv @modal-root)" no
-case "$($TMUX capture-pane -pt "$modal")" in
-*xz*) ;;
-*) fail "keys did not reach display-popup pane" ;;
-esac
-$TMUX2 send-keys -t "$OUTER" Escape
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" "$modal"
-$TMUX2 send-keys -t "$OUTER" C-c
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" ''
-
-# Creating a popup pane must not fire the split-window hook.
-check_ok set-hook -t modal after-split-window \
-	"set-option -g @popup-after-split yes"
-check_ok set-option -g @popup-after-split no
-check_ok display-popup -E -t "$p0" true
-must_equal "$($TMUX show-option -gv @popup-after-split)" no
-check_ok set-hook -u -t modal after-split-window
-
-# A borderless popup must not create a zero-sized pane in a tiny window.
-check_ok new-window -d -t modal: -n popup-small 'cat'
-check_ok set-option -w -t modal:popup-small window-size manual
-check_ok resize-window -t modal:popup-small -x 1 -y 1
-small=$(fmt modal:popup-small '#{pane_id}')
-check_ok bind Z display-popup -B -t "$small" 'cat'
-$TMUX2 send-keys -t "$OUTER" C-b Z
-sleep 1
-must_equal "$(fmt modal:popup-small '#{window_panes}')" 1
-must_equal "$(fmt modal:popup-small '#{window_modal_pane}')" ''
-
-$TMUX bind D display-popup -t "$p0" -w 20 -h 5 'printf done'
-$TMUX2 send-keys -t "$OUTER" C-b D
-sleep 2
-modal=$(fmt modal:0 '#{window_modal_pane}')
-[ -n "$modal" ] || fail "retained display-popup was not created"
-must_equal "$(fmt "$modal" '#{pane_dead}')" 1
-case "$($TMUX capture-pane -pt "$modal")" in
-*'Pane is dead'*) fail "display-popup showed remain-on-exit message" ;;
-esac
-$TMUX2 send-keys -t "$OUTER" a
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" "$modal"
-$TMUX2 send-keys -t "$OUTER" Escape
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" ''
-
-$TMUX bind K display-popup -k -t "$p0" -w 20 -h 5 'printf done'
-$TMUX2 send-keys -t "$OUTER" C-b K
-sleep 2
-modal=$(fmt modal:0 '#{window_modal_pane}')
-[ -n "$modal" ] || fail "display-popup -k was not created"
-must_equal "$(fmt "$modal" '#{pane_dead}')" 1
-$TMUX2 send-keys -t "$OUTER" a
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" ''
-
-$TMUX bind F display-popup -EE -t "$p0" -w 20 -h 5 'exit 1'
-$TMUX2 send-keys -t "$OUTER" C-b F
-sleep 2
-modal=$(fmt modal:0 '#{window_modal_pane}')
-[ -n "$modal" ] || fail "failed display-popup -EE did not remain"
-must_equal "$(fmt "$modal" '#{pane_dead}')" 1
-$TMUX2 send-keys -t "$OUTER" a
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" "$modal"
-$TMUX2 send-keys -t "$OUTER" Escape
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" "$modal"
-check_ok kill-pane -t "$modal"
-sleep 1
-
-check_ok display-popup -EE -t "$p0" true
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" ''
-
-$TMUX bind G display-popup -EE -k -t "$p0" -w 20 -h 5 'exit 1'
-$TMUX2 send-keys -t "$OUTER" C-b G
-sleep 2
-modal=$(fmt modal:0 '#{window_modal_pane}')
-[ -n "$modal" ] || fail "failed display-popup -EE -k did not remain"
-must_equal "$(fmt "$modal" '#{pane_dead}')" 1
-must_equal "$($TMUX show-options -pv -t "$modal" remain-on-exit)" failed-key
-$TMUX2 send-keys -t "$OUTER" a
-sleep 1
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" ''
-
-check_ok display-popup -EE -k -t "$p0" true
-must_equal "$(fmt modal:0 '#{window_modal_pane}')" ''
-
 # A nonmodal floating pane may remain above zoom, and switching between it and
 # the zoomed tiled pane must not unzoom the window.
 check_ok new-window -d -t modal: -n float-over-zoom 'cat'

regress/mode-tree-menu-position.sh

@@ -1,71 +0,0 @@
-#!/bin/sh
-
-# Chooser menus are centred on the mouse using their displayed width. A
-# hidden title must not move a borderless menu away from the mouse.
-
-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"
-
-cleanup()
-{
-	$TMUX kill-server >/dev/null 2>&1
-	$TMUX2 kill-server >/dev/null 2>&1
-}
-trap cleanup 0 1 15
-
-fail()
-{
-	echo "$*" >&2
-	exit 1
-}
-
-$TMUX new-session -d -s short -x 100 -y 30 'sleep 100' || exit 1
-$TMUX set -g mouse on || exit 1
-$TMUX set -g status off || exit 1
-$TMUX2 new-session -d -x 100 -y 30 "$TMUX attach" || exit 1
-sleep 1
-
-for name in short aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; do
-	$TMUX rename-session "$name" || exit 1
-	for lines in none single padded; do
-		$TMUX set -g menu-border-lines "$lines" || exit 1
-		$TMUX choose-tree -s || exit 1
-		sleep 1
-
-		# Right-button press at window (60, 0), away from either edge.
-		seq=$(printf '\033[<2;61;1M')
-		$TMUX2 send-keys -l "$seq" || exit 1
-		sleep 1
-
-		row=2
-		column=54
-		if [ "$lines" = none ]; then
-			row=1
-		elif [ "$name" != short ]; then
-			column=31
-		fi
-		text=$($TMUX2 capture-pane -p | awk -v row="$row" \
-		    -v column="$column" 'NR == row {
-			# Keep byte offsets equal to columns with non-Unicode awk.
-			gsub(/│/, "|")
-			print substr($0, column, 7)
-		    }')
-		[ "$text" = 'Select ' ] || \
-		    fail "$lines menu for $name: expected Select at ($column, $row), got '$text'"
-
-		# Close the menu, release the button, then leave the chooser.
-		$TMUX2 send-keys Escape || exit 1
-		seq=$(printf '\033[<2;61;1m')
-		$TMUX2 send-keys -l "$seq" || exit 1
-		$TMUX2 send-keys q || exit 1
-		sleep 1
-	done
-done
-
-exit 0

regress/options-values.sh

@@ -86,11 +86,6 @@ check_value "-gv status-keys" "vi"
 check_fail "unknown value: bogus" set -g status-keys bogus
 check_value "-gv status-keys" "vi"
 
-# pane-border-lines accepts rounded as a pane border style.
-check_ok set -gw pane-border-lines rounded
-check_value "-gwv pane-border-lines" "rounded"
-check_ok set -gw pane-border-lines single
-
 # --- flag options ---------------------------------------------------------
 #
 # focus-events is an on/off flag.  Setting with no value toggles it; explicit

regress/pane-ops.sh

@@ -104,25 +104,6 @@ assert_alive()
 	fi
 }
 
-# Compare layout geometry and pane ordering, ignoring the active pane and
-# last-pane history in the JSON layout. Selection is checked separately.
-pane_layout()
-{
-	$TMUX display-message -p -t "$1" '#{window_layout}' |
-		sed 's/,"a":true//g; s/,"l":[0-9][0-9]*//g'
-}
-
-check_layout()
-{
-	out=$(pane_layout "$1")
-	if [ "$out" != "$2" ]; then
-		echo "Layout for '$1' wrong."
-		echo "Expected: '$2'"
-		echo "But got:  '$out'"
-		exit 1
-	fi
-}
-
 # ---------------------------------------------------------------------------
 # split-window geometry.
 
@@ -328,12 +309,12 @@ check_ok kill-pane -t "$p6"
 
 # Zoom and unzoom preserve the exact tiled layout. Selecting another pane
 # without -Z unzooms, while -Z transfers zoom to the selected pane.
-layout=$(pane_layout P:0)
+layout=$($TMUX display-message -p -t P:0 '#{window_layout}')
 check_ok select-pane -t "$p0"
 check_ok resize-pane -Z -t "$p0"
 check_ok select-pane -t "$p2"
 check_fmt "$p2" '#{window_zoomed_flag}:#{pane_active}' '0:1'
-check_layout P:0 "$layout"
+check_fmt P:0 '#{window_layout}' "$layout"
 
 check_ok select-pane -t "$p0"
 check_ok resize-pane -Z -t "$p0"
@@ -341,7 +322,7 @@ check_ok select-pane -Z -t "$p2"
 check_fmt "$p2" '#{window_zoomed_flag}:#{pane_zoomed_flag}:#{pane_active}' \
 	'1:1:1'
 check_ok resize-pane -Z -t "$p2"
-check_layout P:0 "$layout"
+check_fmt P:0 '#{window_layout}' "$layout"
 
 # Directional selection temporarily restores the full layout to find its
 # neighbour, then follows the same unzoom or -Z transfer rules.
@@ -359,7 +340,7 @@ check_ok select-pane -D -Z -t "$p0"
 check_fmt "$p2" '#{window_zoomed_flag}:#{pane_zoomed_flag}:#{pane_active}' \
 	'1:1:1'
 check_ok resize-pane -Z -t "$p2"
-check_layout P:0 "$layout"
+check_fmt P:0 '#{window_layout}' "$layout"
 
 # The last-pane path has separate zoom handling, both with and without -Z.
 check_ok select-pane -t "$p0"
@@ -376,7 +357,7 @@ check_ok select-pane -l -Z -t P:0
 check_fmt "$p0" '#{window_zoomed_flag}:#{pane_zoomed_flag}:#{pane_active}' \
 	'1:1:1'
 check_ok resize-pane -Z -t "$p0"
-check_layout P:0 "$layout"
+check_fmt P:0 '#{window_layout}' "$layout"
 
 # Killing either a hidden ordinary pane or the zoom target unzooms.
 check_ok new-window -d -t P:12 -n zoom-kill 'cat'

regress/prompt-keys.sh

@@ -217,36 +217,7 @@ $OUT send-keys M-r || exit 1
 settle
 status_line | grep -q '>' || fail "status-line prompt not drawn on the status line"
 
-# --- 11. Invalid UTF-8 input must not desynchronize the prompt buffer. ---
-$OUT send-keys -H e6 85 5f || exit 1	# invalid UTF-8, then "_"
-settle
-$IN display-message -p '#{version}' >/dev/null 2>&1 || \
-	fail "invalid UTF-8 append killed inner tmux"
-status_line | grep -qF "> _" || \
-	fail "invalid UTF-8 append did not keep prompt usable (got '$(status_line)')"
-$OUT send-keys Enter || exit 1
-settle
-[ "$($IN show -gv @r)" = "_" ] || \
-	fail "invalid UTF-8 append recovered '$($IN show -gv @r)', wanted '_'"
-
-$IN set -g @r "SENTINEL" || exit 1
-$OUT send-keys M-r || exit 1
-settle
-$OUT send-keys -H e6 85 04 || exit 1	# invalid UTF-8, then C-d
-settle
-$IN display-message -p '#{version}' >/dev/null 2>&1 || \
-	fail "invalid UTF-8 delete killed inner tmux"
-status_line | grep -q '>' || \
-	fail "invalid UTF-8 delete closed the prompt (got '$(status_line)')"
-$OUT send-keys Escape || exit 1
-settle
-[ "$($IN show -gv @r)" = "SENTINEL" ] || \
-	fail "invalid UTF-8 delete accepted the prompt"
-
-# --- 12. emacs cursor-marker edit, accept recovers the exact buffer. ---
-$IN set -g @r "" || exit 1
-$OUT send-keys M-r || exit 1
-settle
+# --- 11. emacs cursor-marker edit, accept recovers the exact buffer. ---
 $OUT send-keys -l "abc" || exit 1
 $OUT send-keys Home || exit 1
 $OUT send-keys -l "X" || exit 1
@@ -258,7 +229,7 @@ settle
 [ "$($IN show -gv @r)" = "Xabc" ] || \
 	fail "status-line accept recovered '$($IN show -gv @r)', wanted 'Xabc'"
 
-# --- 13. Unicode on the status line: insert, move, delete wide char. ---
+# --- 12. Unicode on the status line: insert, move, delete wide char. ---
 $IN set -g @r "" || exit 1
 $OUT send-keys M-r || exit 1
 settle
@@ -278,7 +249,7 @@ settle
 [ "$($IN show -gv @r)" = "Za" ] || \
 	fail "status-line wide edit recovered '$($IN show -gv @r)', wanted 'Za'"
 
-# --- 14. Overflow: more text than fits stays within the line and is kept. ---
+# --- 13. Overflow: more text than fits stays within the line and is kept. ---
 big="0123456789012345678901234567890123456789012345678901234567890123456789ABCDEFGHIJ"
 $IN set -g @r "" || exit 1
 $OUT send-keys M-r || exit 1
@@ -293,7 +264,7 @@ settle
 # The whole buffer was kept despite only part being visible.
 [ "$($IN show -gv @r)" = "$big" ] || fail "overflowing prompt lost buffer content"
 
-# --- 15. Escape closes the status-line prompt cleanly. ---
+# --- 14. Escape closes the status-line prompt cleanly. ---
 $IN set -g @r "SENTINEL" || exit 1
 $OUT send-keys M-r || exit 1
 settle

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/respawn-pane-control-lag.sh

@@ -15,7 +15,7 @@ PATH=/bin:/usr/bin
 TERM=screen
 
 [ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -Ltest$$"
+TMUX="$TEST_TMUX -Ltest"
 $TMUX kill-server 2>/dev/null
 
 DIR=$(mktemp -d)

regress/run-shell-cwd.sh

@@ -1,55 +0,0 @@
-#!/bin/sh
-
-# run-shell -c should expand formats using the target pane.
-
-PATH=/bin:/usr/bin
-TERM=screen
-
-[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
-TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
-
-TMP=$(mktemp -d)
-trap '$TMUX kill-server 2>/dev/null; rm -rf "$TMP"' 0 1 15
-TMP=$(cd "$TMP" && pwd -P)
-mkdir "$TMP/first" "$TMP/second dir" || exit 1
-
-check_directory()
-{
-	actual=$(cat "$TMP/out")
-	if [ "$actual" != "$1" ]; then
-		echo "Expected directory '$1', got '$actual'"
-		exit 1
-	fi
-}
-
-# The start path is available immediately, before the child is scheduled.
-# Use it to test the format context in the same command queue as creation.
-$TMUX new-session -d -s test -c "$TMP/first" 'sleep 60' \; \
-	 run-shell -c '#{pane_start_path}' "pwd >'$TMP/out'" || exit 1
-check_directory "$TMP/first"
-
-# An explicit target must supply the format context, including with a delay.
-pane=$($TMUX new-window -d -P -F '#{pane_id}' -t test \
-	-c "$TMP/second dir" 'sleep 60') || exit 1
-# The current path depends on the operating system finding the child process.
-i=0
-while [ "$($TMUX display-message -p -t "$pane" '#{pane_current_path}')" != \
-    "$TMP/second dir" ]; do
-	if [ "$i" -ge 100 ]; then
-		echo "Timed out waiting for pane current directory"
-		exit 1
-	fi
-	sleep 0.05
-	i=$((i + 1))
-done
-$TMUX run-shell -t "$pane" -d 0.1 -c '#{pane_current_path}' \
-	"pwd >'$TMP/out'" || exit 1
-check_directory "$TMP/second dir"
-
-# Literal directories and the default client directory still work.
-$TMUX run-shell -c "$TMP/second dir" "pwd >'$TMP/out'" || exit 1
-check_directory "$TMP/second dir"
-(cd "$TMP/first" && $TMUX run-shell "pwd >'$TMP/out'") || exit 1
-check_directory "$TMP/first"
-
-exit 0

regress/screen-redraw-floating.sh

@@ -107,12 +107,6 @@ $TMUX2 new-pane -x28 -y8 -X4 -Y1 -B double \
 	"sh -c 'printf FLOAT; exec sleep 100'" || exit 1
 compare floating-border-double
 
-# Larger floating pane with rounded border lines.
-new_scene 40 12
-$TMUX2 new-pane -x28 -y8 -X4 -Y1 -B rounded \
-	"sh -c 'printf FLOAT; exec sleep 100'" || exit 1
-compare floating-border-rounded
-
 # Floating pane with no border lines: redraw_mark_pane_borders returns early so
 # the float has no border at all, only its (clipped) content over the base pane.
 new_scene 40 12

regress/screen-redraw-menus.sh

@@ -106,28 +106,9 @@ compare menu-over-split
 
 # Menu with no border lines.
 setup 40 14
-$TMUX2 display-menu -T "This title must not reserve width" -C 1 \
-    -b none -x6 -y8 \
-    "Alpha item" a "" \
-    "Beta item" b "" \
-    "" "" "" \
-    "Gamma item" g "" || exit 1
-sleep 1
+menu -b none -x6 -y8
 compare menu-noborder
 
-# Menu border style follows the explicitly targeted window, not the current
-# window when a different pane is selected.
-setup 40 14
-$TMUX2 set menu-border-lines none || exit 1
-$TMUX2 neww || exit 1
-$TMUX2 display-menu -t%0 -T "Menu" -C 1 \
-    "Alpha item" a "" \
-    "Beta item" b "" \
-    "" "" "" \
-    "Gamma item" g "" || exit 1
-$TMUX2 selectw -t%0 || exit 1
-compare menu-target-window-noborder
-
 # Menu with double border lines.
 setup 40 14
 menu -b double -x6 -y8