Merge branch 'master' into feature-floating-window-panes

cmd-find.c

@@ -924,6 +924,7 @@ 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];
 	const char		*session, *window, *pane, *s;
@@ -995,6 +996,20 @@ cmd_find_target(struct cmd_find_state *fs, struct cmdq_item *item,
 	if (target == NULL || *target == '\0')
 		goto current;
 
+	if (strcmp(target, "@") == 0 ||
+	    strcmp(target, "{active}") == 0 ||
+	    strcmp(target, "{current}") == 0) {
+		c = cmdq_get_client(item);
+		if (c == NULL) {
+			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;
+		goto found;
+	}
+
 	/* Mouse target is a plain = or {mouse}. */
 	if (strcmp(target, "=") == 0 || strcmp(target, "{mouse}") == 0) {
 		m = &cmdq_get_event(item)->m;

cmd-list-keys.c

@@ -109,7 +109,8 @@ cmd_list_keys_print_notes(struct cmdq_item *item, struct args *args,
 		key = key_string_lookup_key(bd->key, 0);
 
 		if (bd->note == NULL || *bd->note == '\0')
-			note = cmd_list_print(bd->cmdlist, 1);
+			note = cmd_list_print(bd->cmdlist,
+			    CMD_LIST_PRINT_ESCAPED|CMD_LIST_PRINT_NO_GROUPS);
 		else
 			note = xstrdup(bd->note);
 		tmp = utf8_padcstr(key, keywidth + 1);
@@ -288,7 +289,8 @@ cmd_list_keys_exec(struct cmd *self, struct cmdq_item *item)
 			tmpused = strlcat(tmp, " ", tmpsize);
 			free(cp);
 
-			cp = cmd_list_print(bd->cmdlist, 1);
+			cp = cmd_list_print(bd->cmdlist,
+			    CMD_LIST_PRINT_ESCAPED|CMD_LIST_PRINT_NO_GROUPS);
 			cplen = strlen(cp);
 			while (tmpused + cplen + 1 >= tmpsize) {
 				tmpsize *= 2;

cmd.c

@@ -682,11 +682,16 @@ cmd_list_copy(const struct cmd_list *cmdlist, int argc, char **argv)
 
 /* Get a command list as a string. */
 char *
-cmd_list_print(const struct cmd_list *cmdlist, int escaped)
+cmd_list_print(const struct cmd_list *cmdlist, int flags)
 {
 	struct cmd	*cmd, *next;
 	char		*buf, *this;
 	size_t		 len;
+	const char	*separator;
+	int		 escaped = flags & CMD_LIST_PRINT_ESCAPED;
+	int		 no_groups = flags & CMD_LIST_PRINT_NO_GROUPS;
+	const char	*single_separator = escaped ? " \\; " : " ; ";
+	const char	*double_separator = escaped ? " \\;\\; " : " ;; ";
 
 	len = 1;
 	buf = xcalloc(1, len);
@@ -701,17 +706,11 @@ cmd_list_print(const struct cmd_list *cmdlist, int escaped)
 
 		next = TAILQ_NEXT(cmd, qentry);
 		if (next != NULL) {
-			if (cmd->group != next->group) {
+			if (!no_groups && cmd->group != next->group)
-				if (escaped)
+				separator = double_separator;
-					strlcat(buf, " \\;\\; ", len);
 			else
-					strlcat(buf, " ;; ", len);
+				separator = single_separator;
-			} else {
+			strlcat(buf, separator, len);
-				if (escaped)
-					strlcat(buf, " \\; ", len);
-				else
-					strlcat(buf, " ; ", len);
-			}
 		}
 
 		free(this);

compat/imsg-buffer.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: imsg-buffer.c,v 1.35 2025/06/04 09:06:56 claudio Exp $	*/
+/*	$OpenBSD: imsg-buffer.c,v 1.36 2025/08/25 08:29:49 claudio Exp $	*/
 
 /*
  * Copyright (c) 2023 Claudio Jeker <claudio@openbsd.org>
@@ -699,8 +699,6 @@ msgbuf_queuelen(struct msgbuf *msgbuf)
 void
 msgbuf_clear(struct msgbuf *msgbuf)
 {
-	struct ibuf	*buf;
-
 	/* write side */
 	ibufq_flush(&msgbuf->bufs);
 

format.c

@@ -4464,7 +4464,9 @@ format_loop_sessions(struct format_expand_state *es, const char *fmt)
 	for (i = 0; i < n; i++) {
 		s = l[i];
 		format_log(es, "session loop: $%u", s->id);
-		if (active != NULL && s->id == ft->c->session->id)
+		if (active != NULL &&
+		    ft->c != NULL &&
+		    s->id == ft->c->session->id)
 			use = active;
 		else
 			use = all;

grid.c

@@ -361,9 +361,13 @@ grid_compare(struct grid *ga, struct grid *gb)
 static void
 grid_trim_history(struct grid *gd, u_int ny)
 {
+	u_int	remaining;
+
 	grid_free_lines(gd, 0, ny);
+	remaining = gd->hsize + gd->sy - ny;
 	memmove(&gd->linedata[0], &gd->linedata[ny],
-	    (gd->hsize + gd->sy - ny) * (sizeof *gd->linedata));
+	    remaining * (sizeof *gd->linedata));
+	memset(&gd->linedata[remaining], 0, ny * (sizeof *gd->linedata));
 }
 
 /*

input-keys.c

@@ -313,12 +313,6 @@ static struct input_key_entry input_key_defaults[] = {
 	{ .key = KEYC_DC|KEYC_BUILD_MODIFIERS,
 	  .data = "\033[3;_~"
 	},
-	{ .key = KEYC_REPORT_DARK_THEME,
-	  .data = "\033[?997;1n"
-	},
-	{ .key = KEYC_REPORT_LIGHT_THEME,
-	  .data = "\033[?997;2n"
-	},
 };
 static const key_code input_key_modifiers[] = {
 	0,

input.c

@@ -63,7 +63,7 @@ struct input_request {
 	struct input_ctx		*ictx;
 
 	enum input_request_type		 type;
-	time_t				 t;
+	uint64_t			 t;
 	enum input_end_type              end;
 
 	int				 idx;
@@ -72,7 +72,7 @@ struct input_request {
 	TAILQ_ENTRY(input_request)	 entry;
 	TAILQ_ENTRY(input_request)	 centry;
 };
-#define INPUT_REQUEST_TIMEOUT 2
+#define INPUT_REQUEST_TIMEOUT 500
 
 /* Input parser cell. */
 struct input_cell {
@@ -1902,6 +1902,8 @@ input_csi_dispatch_rm_private(struct input_ctx *ictx)
 			break;
 		case 2031:
 			screen_write_mode_clear(sctx, MODE_THEME_UPDATES);
+			if (ictx->wp != NULL)
+				ictx->wp->flags &= ~PANE_THEMECHANGED;
 			break;
 		case 2026:	/* synchronized output */
 			screen_write_stop_sync(ictx->wp);
@@ -2005,6 +2007,10 @@ input_csi_dispatch_sm_private(struct input_ctx *ictx)
 			break;
 		case 2031:
 			screen_write_mode_set(sctx, MODE_THEME_UPDATES);
+			if (ictx->wp != NULL) {
+				ictx->wp->last_theme = window_pane_get_theme(ictx->wp);
+				ictx->wp->flags &= ~PANE_THEMECHANGED;
+			}
 			break;
 		case 2026:	/* synchronized output */
 			screen_write_start_sync(ictx->wp);
@@ -3237,7 +3243,7 @@ input_request_timer_callback(__unused int fd, __unused short events, void *arg)
 {
 	struct input_ctx	*ictx = arg;
 	struct input_request	*ir, *ir1;
-	time_t			 t = time(NULL);
+	uint64_t		 t = get_timer();
 
 	TAILQ_FOREACH_SAFE(ir, &ictx->requests, entry, ir1) {
 		if (ir->t >= t - INPUT_REQUEST_TIMEOUT)
@@ -3254,7 +3260,7 @@ input_request_timer_callback(__unused int fd, __unused short events, void *arg)
 static void
 input_start_request_timer(struct input_ctx *ictx)
 {
-	struct timeval	tv = { .tv_sec = 0, .tv_usec = 500000 };
+	struct timeval	tv = { .tv_sec = 0, .tv_usec = 100000 };
 
 	event_del(&ictx->request_timer);
 	event_add(&ictx->request_timer, &tv);
@@ -3269,7 +3275,7 @@ input_make_request(struct input_ctx *ictx, enum input_request_type type)
 	ir = xcalloc (1, sizeof *ir);
 	ir->type = type;
 	ir->ictx = ictx;
-	ir->t = time(NULL);
+	ir->t = get_timer();
 
 	if (++ictx->request_count == 1)
 		input_start_request_timer(ictx);
@@ -3390,7 +3396,11 @@ input_request_reply(struct client *c, enum input_request_type type, void *data)
 			input_free_request(ir);
 			continue;
 		}
-		if (type == INPUT_REQUEST_PALETTE && pd->idx == ir->idx) {
+		if (type == INPUT_REQUEST_PALETTE) {
+			if (pd->idx != ir->idx) {
+				input_free_request(ir);
+				continue;
+			}
 			found = ir;
 			break;
 		}
@@ -3432,14 +3442,24 @@ input_cancel_requests(struct client *c)
 static void
 input_report_current_theme(struct input_ctx *ictx)
 {
-	switch (window_pane_get_theme(ictx->wp)) {
+	struct window_pane	*wp = ictx->wp;
+
+	if (wp != NULL) {
+		wp->last_theme = window_pane_get_theme(wp);
+		wp->flags &= ~PANE_THEMECHANGED;
+
+		switch (wp->last_theme) {
 		case THEME_DARK:
+			log_debug("%s: %%%u dark theme", __func__, wp->id);
 			input_reply(ictx, 0, "\033[?997;1n");
 			break;
 		case THEME_LIGHT:
+			log_debug("%s: %%%u light theme", __func__, wp->id);
 			input_reply(ictx, 0, "\033[?997;2n");
 			break;
 		case THEME_UNKNOWN:
+			log_debug("%s: %%%u unknown theme", __func__, wp->id);
 			break;
 		}
 	}
+}

key-bindings.c

@@ -444,6 +444,7 @@ key_bindings_init(void)
 
 		/* Mouse button 1 down on pane. */
 		"bind -n MouseDown1Pane { select-pane -t=; send -M }",
+		"bind -n C-MouseDown1Pane { swap-pane -s@ }",
 
 		/* Mouse button 1 drag on pane. */
 		"bind -n MouseDrag1Pane { if -F '#{||:#{pane_in_mode},#{mouse_any_flag}}' { send -M } { copy-mode -M } }",
@@ -468,6 +469,7 @@ key_bindings_init(void)
 
 		/* Mouse button 1 down on status line. */
 		"bind -n MouseDown1Status { switch-client -t= }",
+		"bind -n C-MouseDown1Status { swap-window -t@ }",
 
 		/* Mouse wheel down on status line. */
 		"bind -n WheelDownStatus { next-window }",

key-string.c

@@ -382,6 +382,14 @@ key_string_lookup_key(key_code key, int with_flags)
 		s = "PasteEnd";
 		goto append;
 	}
+	if (key == KEYC_REPORT_DARK_THEME) {
+		s = "ReportDarkTheme";
+		goto append;
+	}
+	if (key == KEYC_REPORT_LIGHT_THEME) {
+		s = "ReportLightTheme";
+		goto append;
+	}
 	if (key == KEYC_MOUSE) {
 		s = "Mouse";
 		goto append;

options-table.c

@@ -664,6 +664,13 @@ const struct options_table_entry options_table[] = {
 	  .text = "Time for which status line messages should appear."
 	},
 
+	{ .name = "focus-follows-mouse",
+	  .type = OPTIONS_TABLE_FLAG,
+	  .scope = OPTIONS_TABLE_SESSION,
+	  .default_num = 0,
+	  .text = "Whether moving the mouse into a pane selects it."
+	},
+
 	{ .name = "history-limit",
 	  .type = OPTIONS_TABLE_NUMBER,
 	  .scope = OPTIONS_TABLE_SESSION,
@@ -970,6 +977,15 @@ const struct options_table_entry options_table[] = {
 	  .text = "Style of the cursor when in the command prompt."
 	},
 
+	{ .name = "prompt-command-cursor-style",
+	  .type = OPTIONS_TABLE_CHOICE,
+	  .scope = OPTIONS_TABLE_SESSION,
+	  .choices = options_table_cursor_style_list,
+	  .default_num = 0,
+	  .text = "Style of the cursor in the command prompt when in command "
+		  "mode, if 'status-keys' is set to 'vi'."
+	},
+
 	{ .name = "session-status-current-style",
 	  .type = OPTIONS_TABLE_STRING,
 	  .scope = OPTIONS_TABLE_WINDOW,

options.c

@@ -749,7 +749,7 @@ options_get_number(struct options *oo, const char *name)
 	return (o->value.number);
 }
 
-const struct cmd_list *
+struct cmd_list *
 options_get_command(struct options *oo, const char *name)
 {
 	struct options_entry	*o;

screen-write.c

@@ -1833,8 +1833,16 @@ screen_write_collect_flush(struct screen_write_ctx *ctx, int scroll_only,
 	struct visible_ranges		*vr;
 	struct window_pane		*wp = ctx->wp;
 
-	if (s->mode & MODE_SYNC)
+	if (s->mode & MODE_SYNC) {
+		for (y = 0; y < screen_size_y(s); y++) {
+			cl = &ctx->s->write_list[y];
+			TAILQ_FOREACH_SAFE(ci, &cl->items, entry, tmp) {
+				TAILQ_REMOVE(&cl->items, ci, entry);
+				screen_write_free_citem(ci);
+			}
+		}
 		return;
+	}
 
 	if (ctx->scrolled != 0) {
 		log_debug("%s: scrolled %u (region %u-%u)", __func__,
@@ -1945,7 +1953,7 @@ void
 screen_write_collect_end(struct screen_write_ctx *ctx)
 {
 	struct screen			*s = ctx->s;
-	struct screen_write_citem	*ci = ctx->item, *before;
+	struct screen_write_citem	*ci = ctx->item, *nci, *before;
 	struct screen_write_cline	*cl = &s->write_list[s->cy];
 	struct grid_cell		 gc;
 	u_int				 xx;
@@ -1974,6 +1982,8 @@ screen_write_collect_end(struct screen_write_ctx *ctx)
 				break;
 			grid_view_set_cell(s->grid, xx, s->cy,
 			    &grid_default_cell);
+			log_debug("%s: padding erased (before) at %u",
+			    __func__, xx);
 		}
 		if (xx != s->cx) {
 			if (xx == 0)
@@ -1981,8 +1991,19 @@ screen_write_collect_end(struct screen_write_ctx *ctx)
 			if (gc.data.width > 1) {
 				grid_view_set_cell(s->grid, xx, s->cy,
 				    &grid_default_cell);
+				log_debug("%s: padding erased (before) at %u",
+				    __func__, xx);
 			}
 		}
+		if (xx != s->cx) {
+			nci = ctx->item;
+			nci->type = CLEAR;
+			nci->x = xx;
+			nci->bg = 8;
+			nci->used = s->cx - xx;
+			TAILQ_INSERT_BEFORE(ci, nci, entry);
+			ctx->item = screen_write_get_citem();
+		}
 	}
 
 #ifdef ENABLE_SIXEL
@@ -1999,6 +2020,16 @@ screen_write_collect_end(struct screen_write_ctx *ctx)
 		if (~gc.flags & GRID_FLAG_PADDING)
 			break;
 		grid_view_set_cell(s->grid, xx, s->cy, &grid_default_cell);
+		log_debug("%s: padding erased (after) at %u", __func__, xx);
+	}
+	if (xx != s->cx) {
+		nci = ctx->item;
+		nci->type = CLEAR;
+		nci->x = s->cx;
+		nci->bg = 8;
+		nci->used = xx - s->cx;
+		TAILQ_INSERT_AFTER(&cl->items, ci, nci, entry);
+		ctx->item = screen_write_get_citem();
 	}
 }
 
@@ -2069,7 +2100,7 @@ screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
 	struct tty_ctx		 ttyctx;
 	u_int			 sx = screen_size_x(s), sy = screen_size_y(s);
 	u_int		 	 width = ud->width, xx, not_wrap;
-	int			 selected, skip = 1;
+	int			 selected, skip = 1, redraw = 0;
 
 	/* Ignore padding cells. */
 	if (gc->flags & GRID_FLAG_PADDING)
@@ -2111,9 +2142,11 @@ screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
 	gl = grid_get_line(s->grid, s->grid->hsize + s->cy);
 	if (gl->flags & GRID_LINE_EXTENDED) {
 		grid_view_get_cell(gd, s->cx, s->cy, &now_gc);
-		if (screen_write_overwrite(ctx, &now_gc, width))
+		if (screen_write_overwrite(ctx, &now_gc, width)) {
+			redraw = 1;
 			skip = 0;
 		}
+	}
 
 	/*
 	 * If the new character is UTF-8 wide, fill in padding cells. Have
@@ -2189,6 +2222,7 @@ screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
 			ttyctx.cell = &tmp_gc;
 		} else
 			ttyctx.cell = gc;
+		ttyctx.num = redraw ? 2 : 0;
 		tty_write(tty_cmd_cell, &ttyctx);
 	}
 }
@@ -2483,8 +2517,10 @@ screen_write_alternateon(struct screen_write_ctx *ctx, struct grid_cell *gc,
 	screen_write_collect_flush(ctx, 0, __func__);
 	screen_alternate_on(ctx->s, gc, cursor);
 
-	if (wp != NULL)
+	if (wp != NULL) {
 		layout_fix_panes(wp->window, NULL);
+		server_redraw_window_borders(wp->window);
+	}
 
 	screen_write_initctx(ctx, &ttyctx, 1);
 	if (ttyctx.redraw_cb != NULL)
@@ -2505,8 +2541,10 @@ screen_write_alternateoff(struct screen_write_ctx *ctx, struct grid_cell *gc,
 	screen_write_collect_flush(ctx, 0, __func__);
 	screen_alternate_off(ctx->s, gc, cursor);
 
-	if (wp != NULL)
+	if (wp != NULL) {
 		layout_fix_panes(wp->window, NULL);
+		server_redraw_window_borders(wp->window);
+	}
 
 	screen_write_initctx(ctx, &ttyctx, 1);
 	if (ttyctx.redraw_cb != NULL)

screen.c

@@ -765,6 +765,8 @@ screen_mode_to_string(int mode)
 		strlcat(tmp, "KEYS_EXTENDED,", sizeof tmp);
 	if (mode & MODE_KEYS_EXTENDED_2)
 		strlcat(tmp, "KEYS_EXTENDED_2,", sizeof tmp);
+	if (mode & MODE_THEME_UPDATES)
+		strlcat(tmp, "THEME_UPDATES,", sizeof tmp);
 	tmp[strlen(tmp) - 1] = '\0';
 	return (tmp);
 }

server-client.c

@@ -1092,8 +1092,16 @@ have_event:
 	case NOTYPE:
 		break;
 	case MOVE:
-		if (where == PANE)
+		if (where == PANE) {
 			key = KEYC_MOUSEMOVE_PANE;
+			if (wp != NULL &&
+			    wp != w->active &&
+			    options_get_number(s->options, "focus-follows-mouse")) {
+				window_set_active_pane(w, wp, 1);
+				server_redraw_window_borders(w);
+				server_status_window(w);
+			}
+		}
 		if (where == STATUS)
 			key = KEYC_MOUSEMOVE_STATUS;
 		if (where == STATUS_LEFT)
@@ -3012,7 +3020,8 @@ server_client_reset_state(struct client *c)
 
 	/*
 	 * Set mouse mode if requested. To support dragging, always use button
-	 * mode.
+	 * mode. For focus-follows-mouse, we need all-motion mode to receive
+	 * movement events.
 	 */
 	if (options_get_number(oo, "mouse")) {
 		if (c->overlay_draw == NULL) {
@@ -3022,7 +3031,9 @@ server_client_reset_state(struct client *c)
 					mode |= MODE_MOUSE_ALL;
 			}
 		}
-		if (~mode & MODE_MOUSE_ALL)
+		if (options_get_number(oo, "focus-follows-mouse"))
+			mode |= MODE_MOUSE_ALL;
+		else if (~mode & MODE_MOUSE_ALL)
 			mode |= MODE_MOUSE_BUTTON;
 	}
 
@@ -3475,6 +3486,24 @@ server_client_read_only(struct cmdq_item *item, __unused void *data)
 	return (CMD_RETURN_ERROR);
 }
 
+/* Callback for default command. */
+static enum cmd_retval
+server_client_default_command(struct cmdq_item *item, __unused void *data)
+{
+	struct client		*c = cmdq_get_client(item);
+	struct cmd_list		*cmdlist;
+	struct cmdq_item	*new_item;
+
+	cmdlist = options_get_command(global_options, "default-client-command");
+	if ((c->flags & CLIENT_READONLY) &&
+	    !cmd_list_all_have(cmdlist, CMD_READONLY))
+		new_item = cmdq_get_callback(server_client_read_only, NULL);
+	else
+		new_item = cmdq_get_command(cmdlist, NULL);
+	cmdq_insert_after(item, new_item);
+	return (CMD_RETURN_NORMAL);
+}
+
 /* Callback when command is done. */
 static enum cmd_retval
 server_client_command_done(struct cmdq_item *item, __unused void *data)
@@ -3503,7 +3532,6 @@ server_client_dispatch_command(struct client *c, struct imsg *imsg)
 	struct cmd_parse_result	 *pr;
 	struct args_value	 *values;
 	struct cmdq_item	 *new_item;
-	struct cmd_list		 *cmdlist;
 
 	if (c->flags & CLIENT_EXIT)
 		return (0);
@@ -3524,8 +3552,8 @@ server_client_dispatch_command(struct client *c, struct imsg *imsg)
 
 	argc = data.argc;
 	if (argc == 0) {
-		cmdlist = cmd_list_copy(options_get_command(global_options,
+		new_item = cmdq_get_callback(server_client_default_command,
-		    "default-client-command"), 0, NULL);
+		    NULL);
 	} else {
 		values = args_from_vector(argc, argv);
 		pr = cmd_parse_from_arguments(values, argc, NULL);
@@ -3539,18 +3567,17 @@ server_client_dispatch_command(struct client *c, struct imsg *imsg)
 		args_free_values(values, argc);
 		free(values);
 		cmd_free_argv(argc, argv);
-		cmdlist = pr->cmdlist;
-	}
-
 		if ((c->flags & CLIENT_READONLY) &&
-	    !cmd_list_all_have(cmdlist, CMD_READONLY))
+		    !cmd_list_all_have(pr->cmdlist, CMD_READONLY)) {
-		new_item = cmdq_get_callback(server_client_read_only, NULL);
+			new_item = cmdq_get_callback(server_client_read_only,
-	else
+			    NULL);
-		new_item = cmdq_get_command(cmdlist, NULL);
+		} else
+			new_item = cmdq_get_command(pr->cmdlist, NULL);
+		cmd_list_free(pr->cmdlist);
+	}
 	cmdq_append(c, new_item);
 	cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
 
-	cmd_list_free(cmdlist);
 	return (0);
 
 error:

status.c

@@ -804,6 +804,9 @@ status_prompt_redraw(struct client *c)
 
 	n = options_get_number(s->options, "prompt-cursor-colour");
 	sl->active->default_ccolour = n;
+	if (c->prompt_mode == PROMPT_COMMAND)
+		n = options_get_number(s->options, "prompt-command-cursor-style");
+	else
 		n = options_get_number(s->options, "prompt-cursor-style");
 	screen_set_cursor_style(n, &sl->active->default_cstyle,
 	    &sl->active->default_mode);
@@ -936,6 +939,8 @@ status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
 			return (1);
 		case '\033': /* Escape */
 			c->prompt_mode = PROMPT_COMMAND;
+			if (c->prompt_index != 0)
+				c->prompt_index--;
 			c->flags |= CLIENT_REDRAWSTATUS;
 			return (0);
 		}
@@ -961,10 +966,11 @@ status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
 		*new_key = 'u'|KEYC_CTRL;
 		return (1);
 	case 'i':
-	case '\033': /* Escape */
 		c->prompt_mode = PROMPT_ENTRY;
 		c->flags |= CLIENT_REDRAWSTATUS;
 		return (0);
+	case '\033': /* Escape */
+		return (0);
 	}
 
 	switch (key) {

tmux.1

@@ -841,6 +841,7 @@ Each has a single-character alternative form.
 .It Li "{last}" Ta "!" Ta "The last (previously current) window"
 .It Li "{next}" Ta "+" Ta "The next window by number"
 .It Li "{previous}" Ta "-" Ta "The previous window by number"
+.It Li "{current}" Ta "@" Ta "The current window"
 .El
 .Pp
 .Ar target-pane
@@ -873,6 +874,7 @@ The following special tokens are available for the pane index:
 .It Li "{down-of}" Ta "" Ta "The pane below the active pane"
 .It Li "{left-of}" Ta "" Ta "The pane to the left of the active pane"
 .It Li "{right-of}" Ta "" Ta "The pane to the right of the active pane"
+.It Li "{active}" Ta "@" Ta "The active pane"
 .El
 .Pp
 The tokens
@@ -4242,6 +4244,12 @@ passed through to applications running in
 .Nm .
 Attached clients should be detached and attached again after changing this
 option.
+.It Xo Ic focus-follows-mouse
+.Op Ic on | off
+.Xc
+When enabled and
+.Ic mouse
+is on, moving the mouse into a pane selects it.
 .It Xo Ic get-clipboard
 .Op Ic both | request | buffer | off
 .Xc
@@ -4696,6 +4704,12 @@ Set the style of the cursor in the command prompt.
 See the
 .Ic cursor-style
 options for available styles.
+.It Ic prompt-command-cursor-style Ar style
+Set the style of the cursor in the command prompt when vi keys are enabled and
+the prompt is in command mode.
+See the
+.Ic cursor-style
+options for available styles.
 .It Xo Ic renumber-windows
 .Op Ic on | off
 .Xc
@@ -6232,6 +6246,7 @@ The following variables are available, where appropriate:
 .It Li "selection_active" Ta "" Ta "1 if selection started and changes with the cursor in copy mode"
 .It Li "selection_end_x" Ta "" Ta "X position of the end of the selection"
 .It Li "selection_end_y" Ta "" Ta "Y position of the end of the selection"
+.It Li "selection_mode" Ta "" Ta "Selection mode"
 .It Li "selection_present" Ta "" Ta "1 if selection started in copy mode"
 .It Li "selection_start_x" Ta "" Ta "X position of the start of the selection"
 .It Li "selection_start_y" Ta "" Ta "Y position of the start of the selection"

tmux.h

@@ -1167,6 +1167,16 @@ struct window_pane_resize {
 };
 TAILQ_HEAD(window_pane_resizes, window_pane_resize);
 
+/*
+ * Client theme, this is worked out from the background colour if not reported
+ * by terminal.
+ */
+enum client_theme {
+	THEME_UNKNOWN,
+	THEME_LIGHT,
+	THEME_DARK
+};
+
 /* Child window structure. */
 struct window_pane {
 	u_int		 id;
@@ -1233,6 +1243,7 @@ struct window_pane {
 	struct grid_cell cached_gc;
 	struct grid_cell cached_active_gc;
 	struct colour_palette palette;
+	enum client_theme last_theme;
 
 	int		 pipe_fd;
 	struct bufferevent *pipe_event;
@@ -1918,16 +1929,6 @@ struct overlay_ranges {
 	u_int	nx[OVERLAY_MAX_RANGES];
 };
 
-/*
- * Client theme, this is worked out from the background colour if not reported
- * by terminal.
- */
-enum client_theme {
-	THEME_UNKNOWN,
-	THEME_LIGHT,
-	THEME_DARK
-};
-
 /* Client connection. */
 typedef int (*prompt_input_cb)(struct client *, void *, const char *, int);
 typedef void (*prompt_free_cb)(void *);
@@ -2453,7 +2454,7 @@ struct options_entry *options_match_get(struct options *, const char *, int *,
 		     int, int *);
 const char	*options_get_string(struct options *, const char *);
 long long	 options_get_number(struct options *, const char *);
-const struct cmd_list *options_get_command(struct options *, const char *);
+struct cmd_list *options_get_command(struct options *, const char *);
 struct options_entry * printflike(4, 5) options_set_string(struct options *,
 		     const char *, int, const char *, ...);
 struct options_entry *options_set_number(struct options *, const char *,
@@ -2750,6 +2751,8 @@ void		 cmd_list_append(struct cmd_list *, struct cmd *);
 void		 cmd_list_append_all(struct cmd_list *, struct cmd_list *);
 void		 cmd_list_move(struct cmd_list *, struct cmd_list *);
 void		 cmd_list_free(struct cmd_list *);
+#define CMD_LIST_PRINT_ESCAPED 0x1
+#define CMD_LIST_PRINT_NO_GROUPS 0x2
 char		*cmd_list_print(const struct cmd_list *, int);
 struct cmd	*cmd_list_first(struct cmd_list *);
 struct cmd	*cmd_list_next(struct cmd *);

tty-keys.c

@@ -956,7 +956,8 @@ partial_key:
 	if (delay == 0)
 		delay = 1;
 	if ((tty->flags & (TTY_WAITFG|TTY_WAITBG) ||
-	    (tty->flags & TTY_ALL_REQUEST_FLAGS) != TTY_ALL_REQUEST_FLAGS)) {
+	    (tty->flags & TTY_ALL_REQUEST_FLAGS) != TTY_ALL_REQUEST_FLAGS) ||
+	    !TAILQ_EMPTY(&c->input_requests)) {
 		log_debug("%s: increasing delay for active query", c->name);
 		if (delay < 500)
 			delay = 500;
@@ -1750,7 +1751,9 @@ tty_keys_palette(struct tty *tty, const char *buf, size_t len, size_t *size)
 
 	/* Copy the rest up to \033\ or \007. */
 	start = (endptr - buf) + 1;
-	for (i = start; i < len && i - start < sizeof tmp; i++) {
+	for (i = start; i - start < sizeof tmp; i++) {
+		if (i == len)
+			return (1);
 		if (buf[i - 1] == '\033' && buf[i] == '\\')
 			break;
 		if (buf[i] == '\007')

tty.c

@@ -2289,6 +2289,13 @@ tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
 	vr = screen_redraw_get_visible_ranges(wp, px, py,
 	    gcp->data.width);
   
+	if (ctx->num == 2) {
+    /* xxxx need to check visible range */
+		tty_draw_line(tty, s, 0, s->cy, screen_size_x(s),
+		    ctx->xoff - ctx->wox, py, &ctx->defaults, ctx->palette);
+		return;
+	}
+
 	/* Handle partially obstructed wide characters. */
 	if (gcp->data.width > 1) {
 		for (i = 0; i < vr->used; i++)
@@ -2297,7 +2304,7 @@ tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
 		for (i = 0; i < OVERLAY_MAX_RANGES; i++)
 			vis += r.nx[i];
 		if (vis < gcp->data.width  ||
-		    vis2 < gcp->data.width) {  /* xxxx check visible range */
+		    vis2 < gcp->data.width) {  /* xxxx need to check visible range */
 			tty_draw_line(tty, s, s->cx, s->cy, gcp->data.width,
 			    px, py, &ctx->defaults, ctx->palette);
 			return;

window-copy.c

@@ -956,6 +956,18 @@ window_copy_formats(struct window_mode_entry *wme, struct format_tree *ft)
 		format_add(ft, "selection_present", "0");
 	}
 
+	switch (data->selflag) {
+	case SEL_CHAR:
+		format_add(ft, "selection_mode", "char");
+		break;
+	case SEL_WORD:
+		format_add(ft, "selection_mode", "word");
+		break;
+	case SEL_LINE:
+		format_add(ft, "selection_mode", "line");
+		break;
+	}
+
 	format_add(ft, "search_present", "%d", data->searchmark != NULL);
 	format_add(ft, "search_timed_out", "%d", data->timeout);
 	if (data->searchcount != -1) {

window.c

@@ -1036,7 +1036,7 @@ window_pane_create(struct window *w, u_int sx, u_int sy, u_int hlimit)
 	wp = xcalloc(1, sizeof *wp);
 	wp->window = w;
 	wp->options = options_create(w->options);
-	wp->flags = (PANE_STYLECHANGED|PANE_THEMECHANGED);
+	wp->flags = PANE_STYLECHANGED;
 
 	wp->id = next_window_pane_id++;
 	RB_INSERT(window_pane_tree, &all_window_panes, wp);
@@ -2051,6 +2051,8 @@ window_pane_get_theme(struct window_pane *wp)
 void
 window_pane_send_theme_update(struct window_pane *wp)
 {
+	enum client_theme	theme;
+
 	if (wp == NULL || window_pane_exited(wp))
 		return;
 	if (~wp->flags & PANE_THEMECHANGED)
@@ -2058,16 +2060,23 @@ window_pane_send_theme_update(struct window_pane *wp)
 	if (~wp->screen->mode & MODE_THEME_UPDATES)
 		return;
 
-	switch (window_pane_get_theme(wp)) {
+	theme = window_pane_get_theme(wp);
+	if (theme == wp->last_theme)
+		return;
+	wp->last_theme = theme;
+	wp->flags &= ~PANE_THEMECHANGED;
+
+	switch (theme) {
 	case THEME_LIGHT:
-		input_key_pane(wp, KEYC_REPORT_LIGHT_THEME, NULL);
+		log_debug("%s: %%%u light theme", __func__, wp->id);
+		bufferevent_write(wp->event, "\033[?997;2n", 9);
 		break;
 	case THEME_DARK:
-		input_key_pane(wp, KEYC_REPORT_DARK_THEME, NULL);
+		log_debug("%s: %%%u dark theme", __func__, wp->id);
+		bufferevent_write(wp->event, "\033[?997;1n", 9);
 		break;
 	case THEME_UNKNOWN:
+		log_debug("%s: %%%u unknown theme", __func__, wp->id);
 		break;
 	}
-
-	wp->flags &= ~PANE_THEMECHANGED;
 }