Sync OpenBSD patchset 1119:

Switch all of the various choose- and list- commands over to the format
infrastructure, from Thomas Adam.

cmd-break-pane.c

@@ -93,9 +93,10 @@ cmd_break_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
 	server_status_session_group(s);
 
 	if (args_has(args, 'P')) {
-		template = "#{session_name}:#{window_index}";
+
-		if (args_has(args, 'F'))
+		if ((template = args_get(args, 'F')) == NULL)
-			template = args_get(args, 'F');
+			template = DEFAULT_PANE_INFO_TEMPLATE;
+
 		ft = format_create();
 		if ((c = cmd_find_client(ctx, NULL)) != NULL)
 			format_client(ft, c);

cmd-choose-buffer.c

@@ -33,8 +33,8 @@ void	cmd_choose_buffer_free(void *);
 
 const struct cmd_entry cmd_choose_buffer_entry = {
 	"choose-buffer", NULL,
-	"t:", 0, 1,
+	"F:t:", 0, 1,
-	CMD_TARGET_WINDOW_USAGE " [template]",
+	CMD_TARGET_WINDOW_USAGE " [-F format] [template]",
 	0,
 	NULL,
 	NULL,
@@ -53,14 +53,19 @@ cmd_choose_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
 	struct cmd_choose_buffer_data	*cdata;
 	struct winlink			*wl;
 	struct paste_buffer		*pb;
+	struct format_tree		*ft;
 	u_int				 idx;
-	char				*tmp;
+	char				*line;
+	const char			*template;
 
 	if (ctx->curclient == NULL) {
 		ctx->error(ctx, "must be run interactively");
 		return (-1);
 	}
 
+	if ((template = args_get(args, 'F')) == NULL)
+		template = DEFAULT_BUFFER_LIST_TEMPLATE;
+
 	if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL)
 		return (-1);
 
@@ -72,10 +77,15 @@ cmd_choose_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
 
 	idx = 0;
 	while ((pb = paste_walk_stack(&global_buffers, &idx)) != NULL) {
-		tmp = paste_print(pb, 50);
+		ft = format_create();
-		window_choose_add(wl->window->active, idx - 1,
+		format_add(ft, "line", "%u", idx - 1);
-		    "%u: %zu bytes: \"%s\"", idx - 1, pb->size, tmp);
+		format_paste_buffer(ft, pb);
-		xfree(tmp);
+
+		line = format_expand(ft, template);
+		window_choose_add(wl->window->active, idx - 1, "%s", line);
+
+		xfree(line);
+		format_free(ft);
 	}
 
 	cdata = xmalloc(sizeof *cdata);

cmd-choose-client.c

@@ -33,8 +33,8 @@ void	cmd_choose_client_free(void *);
 
 const struct cmd_entry cmd_choose_client_entry = {
 	"choose-client", NULL,
-	"t:", 0, 1,
+	"F:t:", 0, 1,
-	CMD_TARGET_WINDOW_USAGE " [template]",
+	CMD_TARGET_WINDOW_USAGE " [-F format] [template]",
 	0,
 	NULL,
 	NULL,
@@ -51,8 +51,11 @@ cmd_choose_client_exec(struct cmd *self, struct cmd_ctx *ctx)
 {
 	struct args			*args = self->args;
 	struct cmd_choose_client_data	*cdata;
+	struct format_tree		*ft;
 	struct winlink			*wl;
 	struct client			*c;
+	char				*line;
+	const char			*template;
 	u_int			 	 i, idx, cur;
 
 	if (ctx->curclient == NULL) {
@@ -66,6 +69,9 @@ cmd_choose_client_exec(struct cmd *self, struct cmd_ctx *ctx)
 	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
 		return (0);
 
+	if ((template = args_get(args, 'F')) == NULL)
+		template = DEFAULT_CLIENT_TEMPLATE;
+
 	cur = idx = 0;
 	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 		c = ARRAY_ITEM(&clients, i);
@@ -75,12 +81,16 @@ cmd_choose_client_exec(struct cmd *self, struct cmd_ctx *ctx)
 			cur = idx;
 		idx++;
 
-		window_choose_add(wl->window->active, i,
+		ft = format_create();
-		    "%s: %s [%ux%u %s]%s%s", c->tty.path,
+		format_add(ft, "line", "%u", i);
-		    c->session->name, c->tty.sx, c->tty.sy,
+		format_session(ft, c->session);
-		    c->tty.termname,
+		format_client(ft, c);
-		    c->tty.flags & TTY_UTF8 ? " (utf8)" : "",
+
-		    c->flags & CLIENT_READONLY ? " (ro)" : "");
+		line = format_expand(ft, template);
+		window_choose_add(wl->window->active, i, "%s", line);
+		xfree(line);
+
+		format_free(ft);
 	}
 
 	cdata = xmalloc(sizeof *cdata);

cmd-choose-session.c

@@ -33,8 +33,8 @@ void	cmd_choose_session_free(void *);
 
 const struct cmd_entry cmd_choose_session_entry = {
 	"choose-session", NULL,
-	"t:", 0, 1,
+	"F:t:", 0, 1,
-	CMD_TARGET_WINDOW_USAGE " [template]",
+	CMD_TARGET_WINDOW_USAGE " [-F format] [template]",
 	0,
 	NULL,
 	NULL,
@@ -53,9 +53,10 @@ cmd_choose_session_exec(struct cmd *self, struct cmd_ctx *ctx)
 	struct cmd_choose_session_data	*cdata;
 	struct winlink			*wl;
 	struct session			*s;
-	struct session_group		*sg;
+	struct format_tree		*ft;
-	u_int			 	 idx, sgidx, cur;
+	const char			*template;
-	char				 tmp[64];
+	char				*line;
+	u_int			 	 idx, cur;
 
 	if (ctx->curclient == NULL) {
 		ctx->error(ctx, "must be run interactively");
@@ -68,24 +69,24 @@ cmd_choose_session_exec(struct cmd *self, struct cmd_ctx *ctx)
 	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
 		return (0);
 
+	if ((template = args_get(args, 'F')) == NULL)
+		template = DEFAULT_SESSION_TEMPLATE;
+
 	cur = idx = 0;
 	RB_FOREACH(s, sessions, &sessions) {
 		if (s == ctx->curclient->session)
 			cur = idx;
 		idx++;
 
-		sg = session_group_find(s);
+		ft = format_create();
-		if (sg == NULL)
+		format_add(ft, "line", "%u", idx);
-			*tmp = '\0';
+		format_session(ft, s);
-		else {
-			sgidx = session_group_index(sg);
-			xsnprintf(tmp, sizeof tmp, " (group %u)", sgidx);
-		}
 
-		window_choose_add(wl->window->active, s->idx,
+		line = format_expand(ft, template);
-		    "%s: %u windows [%ux%u]%s%s", s->name,
+		window_choose_add(wl->window->active, s->idx, "%s", line);
-		    winlink_count(&s->windows), s->sx, s->sy,
+		xfree(line);
-		    tmp, s->flags & SESSION_UNATTACHED ? "" : " (attached)");
+
+		format_free(ft);
 	}
 
 	cdata = xmalloc(sizeof *cdata);

cmd-choose-window.c

@@ -33,8 +33,8 @@ void	cmd_choose_window_free(void *);
 
 const struct cmd_entry cmd_choose_window_entry = {
 	"choose-window", NULL,
-	"t:", 0, 1,
+	"F:t:", 0, 1,
-	CMD_TARGET_WINDOW_USAGE " [template]",
+	CMD_TARGET_WINDOW_USAGE " [-F format] [template]",
 	0,
 	NULL,
 	NULL,
@@ -54,10 +54,10 @@ cmd_choose_window_exec(struct cmd *self, struct cmd_ctx *ctx)
 	struct cmd_choose_window_data	*cdata;
 	struct session			*s;
 	struct winlink			*wl, *wm;
-	struct window			*w;
+	struct format_tree		*ft;
+	const char			*template;
+	char				*line;
 	u_int			 	 idx, cur;
-	char				*flags, *title;
-	const char			*left, *right;
 
 	if (ctx->curclient == NULL) {
 		ctx->error(ctx, "must be run interactively");
@@ -71,30 +71,25 @@ cmd_choose_window_exec(struct cmd *self, struct cmd_ctx *ctx)
 	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
 		return (0);
 
+	if ((template = args_get(args, 'F')) == NULL)
+		template = DEFAULT_WINDOW_TEMPLATE;
+
 	cur = idx = 0;
 	RB_FOREACH(wm, winlinks, &s->windows) {
-		w = wm->window;
-
 		if (wm == s->curw)
 			cur = idx;
 		idx++;
 
-		flags = window_printable_flags(s, wm);
+		ft = format_create();
-		title = w->active->screen->title;
+		format_add(ft, "line", "%u", idx);
-		if (wm == wl)
+		format_session(ft, s);
-			title = w->active->base.title;
+		format_winlink(ft, s, wm);
-		left = " \"";
-		right = "\"";
-		if (*title == '\0')
-			left = right = "";
 
-		window_choose_add(wl->window->active,
+		line = format_expand(ft, template);
-		    wm->idx, "%3d: %s%s [%ux%u] (%u panes%s)%s%s%s",
+		window_choose_add(wl->window->active, idx, "%s", line);
-		    wm->idx, w->name, flags, w->sx, w->sy, window_count_panes(w),
-		    w->active->fd == -1 ? ", dead" : "",
-		    left, title, right);
 
-		xfree(flags);
+		xfree(line);
+		format_free(ft);
 	}
 
 	cdata = xmalloc(sizeof *cdata);

cmd-display-message.c

@@ -75,7 +75,7 @@ cmd_display_message_exec(struct cmd *self, struct cmd_ctx *ctx)
 	if (args->argc != 0)
 		template = args->argv[0];
 	if (template == NULL)
-		template = "[#S] #I:#W, current pane #P - (%H:%M %d-%b-%y)";
+		template = DEFAULT_DISPLAY_MESSAGE_TEMPLATE;
 
 	ft = format_create();
 	format_client(ft, c);

cmd-find-window.c

@@ -46,8 +46,8 @@ void	cmd_find_window_free(void *);
 
 const struct cmd_entry cmd_find_window_entry = {
 	"find-window", "findw",
-	"CNt:T", 1, 4,
+	"F:CNt:T", 1, 4,
-	"[-CNT] " CMD_TARGET_WINDOW_USAGE " match-string",
+	"[-CNT] [-F format] " CMD_TARGET_WINDOW_USAGE " match-string",
 	0,
 	NULL,
 	NULL,
@@ -85,11 +85,13 @@ cmd_find_window_exec(struct cmd *self, struct cmd_ctx *ctx)
 	struct cmd_find_window_data	*cdata;
 	struct session			*s;
 	struct winlink			*wl, *wm;
-	struct window			*w;
 	struct window_pane		*wp;
+	struct format_tree		*ft;
 	ARRAY_DECL(, u_int)	 	 list_idx;
 	ARRAY_DECL(, char *)	 	 list_ctx;
 	char				*str, *sres, *sctx, *searchstr;
+	char				*find_line;
+	const char			*template;
 	u_int				 i, line, match_flags;
 
 	if (ctx->curclient == NULL) {
@@ -101,6 +103,9 @@ cmd_find_window_exec(struct cmd *self, struct cmd_ctx *ctx)
 	if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL)
 		return (-1);
 
+	if ((template = args_get(args, 'F')) == NULL)
+		template = DEFAULT_FIND_WINDOW_TEMPLATE;
+
 	match_flags = cmd_find_window_match_flags(args);
 	str = args->argv[0];
 
@@ -167,13 +172,20 @@ cmd_find_window_exec(struct cmd *self, struct cmd_ctx *ctx)
 	for (i = 0; i < ARRAY_LENGTH(&list_idx); i++) {
 		wm = winlink_find_by_index(
 		    &s->windows, ARRAY_ITEM(&list_idx, i));
-		w = wm->window;
 
-		sctx = ARRAY_ITEM(&list_ctx, i);
+		ft = format_create();
-		window_choose_add(wl->window->active,
+		format_add(ft, "line", "%u", i);
-		    wm->idx, "%3d: %s [%ux%u] (%u panes) %s", wm->idx, w->name,
+		format_add(ft, "window_find_matches", "%s",
-		    w->sx, w->sy, window_count_panes(w), sctx);
+			ARRAY_ITEM(&list_ctx, i));
-		xfree(sctx);
+		format_session(ft, s);
+		format_winlink(ft, s, wm);
+
+		find_line = format_expand(ft, template);
+
+		window_choose_add(wl->window->active, wm->idx, "%s", find_line);
+
+		xfree(find_line);
+		format_free(ft);
 	}
 
 	cdata = xmalloc(sizeof *cdata);

cmd-list-buffers.c

@@ -30,8 +30,8 @@ int	cmd_list_buffers_exec(struct cmd *, struct cmd_ctx *);
 
 const struct cmd_entry cmd_list_buffers_entry = {
 	"list-buffers", "lsb",
-	"", 0, 0,
+	"F:", 0, 0,
-	"",
+	"[-F format]",
 	0,
 	NULL,
 	NULL,
@@ -42,16 +42,27 @@ const struct cmd_entry cmd_list_buffers_entry = {
 int
 cmd_list_buffers_exec(unused struct cmd *self, struct cmd_ctx *ctx)
 {
+	struct args		*args = self->args;
 	struct paste_buffer	*pb;
+	struct format_tree	*ft;
 	u_int			 idx;
-	char			*tmp;
+	char			*line;
+	const char		*template;
+
+	if ((template = args_get(args, 'F')) == NULL)
+		template = DEFAULT_BUFFER_LIST_TEMPLATE;
 
 	idx = 0;
 	while ((pb = paste_walk_stack(&global_buffers, &idx)) != NULL) {
-		tmp = paste_print(pb, 50);
+		ft = format_create();
-		ctx->print(ctx,
+		format_add(ft, "line", "%u", idx - 1);
-		    "%u: %zu bytes: \"%s\"", idx - 1, pb->size, tmp);
+		format_paste_buffer(ft, pb);
-		xfree(tmp);
+
+		line = format_expand(ft, template);
+		ctx->print(ctx, "%s", line);
+		xfree(line);
+
+		format_free(ft);
 	}
 
 	return (0);

cmd-list-clients.c

@@ -58,13 +58,8 @@ cmd_list_clients_exec(struct cmd *self, struct cmd_ctx *ctx)
 	} else
 		s = NULL;
 
-	template = args_get(args, 'F');
+	if ((template = args_get(args, 'F')) == NULL)
-	if (template == NULL) {
+		template = DEFAULT_CLIENT_TEMPLATE;
-		template = "#{client_tty}: #{session_name} "
-		    "[#{client_width}x#{client_height} #{client_termname}]"
-		    "#{?client_utf8, (utf8),}"
-		    "#{?client_readonly, (ro),}";
-	}
 
 	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 		c = ARRAY_ITEM(&clients, i);

cmd-list-sessions.c

@@ -49,14 +49,8 @@ cmd_list_sessions_exec(struct cmd *self, struct cmd_ctx *ctx)
 	const char		*template;
 	char			*line;
 
-	template = args_get(args, 'F');
+	if ((template = args_get(args, 'F')) == NULL)
-	if (template == NULL) {
+		template = DEFAULT_SESSION_TEMPLATE;
-		template = "#{session_name}: #{session_windows} windows "
-		    "(created #{session_created_string}) [#{session_width}x"
-		    "#{session_height}]#{?session_grouped, (group ,}"
-		    "#{session_group}#{?session_grouped,),}"
-		    "#{?session_attached, (attached),}";
-	}
 
 	n = 0;
 	RB_FOREACH(s, sessions, &sessions) {

cmd-list-windows.c

@@ -34,7 +34,7 @@ void	cmd_list_windows_session(
 
 const struct cmd_entry cmd_list_windows_entry = {
 	"list-windows", "lsw",
-	"aF:t:", 0, 0,
+	"F:at:", 0, 0,
 	"[-a] [-F format] " CMD_TARGET_SESSION_USAGE,
 	0,
 	NULL,
@@ -84,18 +84,10 @@ cmd_list_windows_session(
 	if (template == NULL) {
 		switch (type) {
 		case 0:
-			template = "#{window_index}: "
+			template = DEFAULT_WINDOW_TEMPLATE;
-			    "#{window_name} "
-			    "[#{window_width}x#{window_height}] "
-			    "[layout #{window_layout}] #{window_id}"
-			    "#{?window_active, (active),}";
 			break;
 		case 1:
-			template = "#{session_name}:#{window_index}: "
+			template = "#{session_name}:" DEFAULT_WINDOW_TEMPLATE;
-			    "#{window_name} "
-			    "[#{window_width}x#{window_height}] "
-			    "[layout #{window_layout}] #{window_id}"
-			    "#{?window_active, (active),}";
 			break;
 		}
 	}

cmd-new-window.c

@@ -122,15 +122,15 @@ cmd_new_window_exec(struct cmd *self, struct cmd_ctx *ctx)
 		server_status_session_group(s);
 
 	if (args_has(args, 'P')) {
-		template = "#{session_name}:#{window_index}";
+		if ((template = args_get(args, 'F')) == NULL)
-		if (args_has(args, 'F'))
+			template = DEFAULT_PANE_INFO_TEMPLATE;
-			template = args_get(args, 'F');
 
 		ft = format_create();
 		if ((c = cmd_find_client(ctx, NULL)) != NULL)
 		    format_client(ft, c);
 		format_session(ft, s);
 		format_winlink(ft, s, wl);
+		format_window_pane(ft, wl->window->active);
 
 		cp = format_expand(ft, template);
 		ctx->print(ctx, "%s", cp);

cmd-split-window.c

@@ -138,9 +138,8 @@ cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx)
 	environ_free(&env);
 
 	if (args_has(args, 'P')) {
-		template = "#{session_name}:#{window_index}.#{pane_index}";
+		if ((template = args_get(args, 'F')) == NULL)
-		if (args_has(args, 'F'))
+			template = DEFAULT_PANE_INFO_TEMPLATE;
-			template = args_get(args, 'F');
 
 		ft = format_create();
 		if ((c = cmd_find_client(ctx, NULL)) != NULL)

format.c

@@ -349,6 +349,7 @@ format_winlink(struct format_tree *ft, struct session *s, struct winlink *wl)
 	format_add(ft, "window_flags", "%s", flags);
 	format_add(ft, "window_layout", "%s", layout);
 	format_add(ft, "window_active", "%d", wl == s->curw);
+	format_add(ft, "window_panes", "%u", window_count_panes(w));
 
 	xfree(flags);
 	xfree(layout);
@@ -393,3 +394,14 @@ format_window_pane(struct format_tree *ft, struct window_pane *wp)
 	format_add(ft, "pane_pid", "%ld", (long) wp->pid);
 	format_add(ft, "pane_tty", "%s", wp->tty);
 }
+
+void
+format_paste_buffer(struct format_tree *ft, struct paste_buffer *pb)
+{
+	char	*pb_print = paste_print(pb, 50);
+
+	format_add(ft, "buffer_size", "%zu", pb->size);
+	format_add(ft, "buffer_sample", "%s", pb_print);
+
+	xfree(pb_print);
+}

tmux.1

@@ -1037,6 +1037,7 @@ visible pane and negative numbers are lines in the history.
 The default is to capture only the visible contents of the pane.
 .It Xo
 .Ic choose-client
+.Op Fl F Ar format
 .Op Fl t Ar target-window
 .Op Ar template
 .Xc
@@ -1052,10 +1053,16 @@ and the result executed as a command.
 If
 .Ar template
 is not given, "detach-client -t '%%'" is used.
+For the meaning of the
+.Fl F
+flag, see the
+.Sx FORMATS
+section.
 This command works only from inside
 .Nm .
 .It Xo
 .Ic choose-session
+.Op Fl F Ar format
 .Op Fl t Ar target-window
 .Op Ar template
 .Xc
@@ -1069,10 +1076,16 @@ and the result executed as a command.
 If
 .Ar template
 is not given, "switch-client -t '%%'" is used.
+For the meaning of the
+.Fl F
+flag, see the
+.Sx FORMATS
+section.
 This command works only from inside
 .Nm .
 .It Xo
 .Ic choose-window
+.Op Fl F Ar format
 .Op Fl t Ar target-window
 .Op Ar template
 .Xc
@@ -1086,6 +1099,11 @@ and the result executed as a command.
 If
 .Ar template
 is not given, "select-window -t '%%'" is used.
+For the meaning of the
+.Fl F
+flag, see the
+.Sx FORMATS
+section.
 This command works only from inside
 .Nm .
 .It Ic display-panes Op Fl t Ar target-client
@@ -1105,6 +1123,7 @@ to
 keys.
 .It Xo Ic find-window
 .Op Fl CNT
+.Op Fl F Ar format
 .Op Fl t Ar target-window
 .Ar match-string
 .Xc
@@ -1125,6 +1144,11 @@ The default is
 .Fl CNT .
 If only one window is matched, it'll be automatically selected,
 otherwise a choice list is shown.
+For the meaning of the
+.Fl F
+flag, see the
+.Sx FORMATS
+section.
 This command only works from inside
 .Nm .
 .It Xo Ic join-pane
@@ -2765,13 +2789,7 @@ or the global window options if
 is used.
 .El
 .Sh FORMATS
-The
+Certain commands accept the
-.Ic list-clients ,
-.Ic list-sessions ,
-.Ic list-windows
-and
-.Ic list-panes
-commands accept the
 .Fl F
 flag with a
 .Ar format
@@ -2804,6 +2822,8 @@ if it is unattached.
 The following variables are available, where appropriate:
 .Bl -column "session_created_string" "Replaced with" -offset indent
 .It Sy "Variable name" Ta Sy "Replaced with"
+.It Li "buffer_sample" Ta "First 50 characters from the specified buffer"
+.It Li "buffer_size" Ta "Size of the specified buffer in bytes"
 .It Li "client_activity" Ta "Integer time client last had activity"
 .It Li "client_activity_string" Ta "String time client last had activity"
 .It Li "client_created" Ta "Integer time client created"
@@ -2838,11 +2858,13 @@ The following variables are available, where appropriate:
 .It Li "session_width" Ta "Width of session"
 .It Li "session_windows" Ta "Number of windows in session"
 .It Li "window_active" Ta "1 if window active"
+.It Li "window_find_matches" Ta "Matched data from the find-window command if available"
 .It Li "window_flags" Ta "Window flags"
 .It Li "window_height" Ta "Height of window"
 .It Li "window_index" Ta "Index of window"
 .It Li "window_layout" Ta "Window layout description"
 .It Li "window_name" Ta "Name of window"
+.It Li "window_panes" Ta "Number of panes in window"
 .It Li "window_width" Ta "Width of window"
 .El
 .Sh NAMES AND TITLES
@@ -3149,6 +3171,7 @@ The buffer commands are as follows:
 .Bl -tag -width Ds
 .It Xo
 .Ic choose-buffer
+.Op Fl F Ar format
 .Op Fl t Ar target-window
 .Op Ar template
 .Xc
@@ -3162,6 +3185,11 @@ and the result executed as a command.
 If
 .Ar template
 is not given, "paste-buffer -b '%%'" is used.
+For the meaning of the
+.Fl F
+flag, see the
+.Sx FORMATS
+section.
 This command works only from inside
 .Nm .
 .It Ic clear-history Op Fl t Ar target-pane
@@ -3172,9 +3200,16 @@ Remove and free the history for the specified pane.
 Delete the buffer at
 .Ar buffer-index ,
 or the top buffer if not specified.
-.It Ic list-buffers
+.It Xo Ic list-buffers
+.Op Fl F Ar format
+.Xc
 .D1 (alias: Ic lsb )
 List the global buffers.
+For the meaning of the
+.Fl F
+flag, see the
+.Sx FORMATS
+section.
 .It Xo Ic load-buffer
 .Op Fl b Ar buffer-index
 .Ar path

tmux.h

@@ -88,6 +88,37 @@ extern char   **environ;
 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
 #endif
 
+/* Default format templates. */
+#define DEFAULT_BUFFER_LIST_TEMPLATE				\
+	"#{line}: #{buffer_size} bytes: \"#{buffer_sample}\""
+#define DEFAULT_CLIENT_TEMPLATE					\
+	"#{client_tty}: #{session_name} "			\
+	"[#client_width}x#{client_height} #{client_termname}]"	\
+	"{?client_utf8, (utf8),} #{?client_readonly, (ro),}"
+#define DEFAULT_DISPLAY_MESSAGE_TEMPLATE			\
+	"[#{session_name}] #{window_index}:"			\
+	"#{window_name}, current pane #{pane_index} "		\
+	"- (%H:%M %d-%b-%y)"
+#define DEFAULT_FIND_WINDOW_TEMPLATE				\
+	"#{window_index}: #{window_name} "			\
+	"[#{window_width}x#{window_height}] "			\
+	"(#{window_panes} panes) #{window_find_matches}"
+#define DEFAULT_SESSION_TEMPLATE \
+	"#{session_name}: #{session_windows} windows "		\
+	"(created #{session_created_string}) "			\
+	"[#{session_width}x#{session_height}]"			\
+	"#{?session_grouped, (group ,}"				\
+	"#{session_group}#{?session_grouped,),}"		\
+	"#{?session_attached, (attached),}"
+#define DEFAULT_WINDOW_TEMPLATE					\
+	"#{window_index}: #{window_name}#{window_flags} "	\
+	"(#{window_panes} panes) "				\
+	"[#{window_width}x#{window_height}] "			\
+	"[layout #{window_layout}] #{window_id}"		\
+	"#{?window_active, (active),}"
+#define DEFAULT_PANE_INFO_TEMPLATE				\
+	"#{session_name}:#{window_index}.#{pane_index}"
+
 /* Bell option values. */
 #define BELL_NONE 0
 #define BELL_ANY 1
@@ -1402,6 +1433,7 @@ void		 format_client(struct format_tree *, struct client *);
 void		 format_winlink(
 		     struct format_tree *, struct session *, struct winlink *);
 void		 format_window_pane(struct format_tree *, struct window_pane *);
+void		 format_paste_buffer(struct format_tree *, struct paste_buffer *);
 
 /* mode-key.c */
 extern const struct mode_key_table mode_key_tables[];