Use a grid cell not a style for the pane style.

grid.c

@@ -211,19 +211,28 @@ grid_check_y(struct grid *gd, const char *from, u_int py)
 	return (0);
 }
 
+/* Check if two styles are (visibly) the same. */
+int
+grid_cells_look_equal(const struct grid_cell *gc1, const struct grid_cell *gc2)
+{
+	if (gc1->fg != gc2->fg || gc1->bg != gc2->bg)
+		return (0);
+	if (gc1->attr != gc2->attr || gc1->flags != gc2->flags)
+		return (0);
+	return (1);
+}
+
 /* Compare grid cells. Return 1 if equal, 0 if not. */
 int
-grid_cells_equal(const struct grid_cell *gca, const struct grid_cell *gcb)
+grid_cells_equal(const struct grid_cell *gc1, const struct grid_cell *gc2)
 {
-	if (gca->fg != gcb->fg || gca->bg != gcb->bg)
+	if (!grid_cells_look_equal(gc1, gc2))
 		return (0);
-	if (gca->attr != gcb->attr || gca->flags != gcb->flags)
+	if (gc1->data.width != gc2->data.width)
 		return (0);
-	if (gca->data.width != gcb->data.width)
+	if (gc1->data.size != gc2->data.size)
 		return (0);
-	if (gca->data.size != gcb->data.size)
+	return (memcmp(gc1->data.data, gc2->data.data, gc1->data.size) == 0);
-		return (0);
-	return (memcmp(gca->data.data, gcb->data.data, gca->data.size) == 0);
 }
 
 /* Free one line. */

menu.c

@@ -73,7 +73,7 @@ menu_add_item(struct menu *menu, const struct menu_item *item,
 		return;
 
 	if (fs != NULL)
-		s = format_single(qitem, item->name, c, fs->s, fs->wl, fs->wp);
+		s = format_single_from_state(qitem, item->name, c, fs);
 	else
 		s = format_single(qitem, item->name, c, NULL, NULL, NULL);
 	if (*s == '\0') { /* no item if empty after format expanded */
@@ -91,7 +91,7 @@ menu_add_item(struct menu *menu, const struct menu_item *item,
 	cmd = item->command;
 	if (cmd != NULL) {
 		if (fs != NULL)
-			s = format_single(qitem, cmd, c, fs->s, fs->wl, fs->wp);
+			s = format_single_from_state(qitem, cmd, c, fs);
 		else
 			s = format_single(qitem, cmd, c, NULL, NULL, NULL);
 	} else

style.c

@@ -59,6 +59,7 @@ style_parse(struct style *sy, const struct grid_cell *base, const char *in)
 		return (0);
 	style_copy(&saved, sy);
 
+	log_debug("%s: %s", __func__, in);
 	do {
 		while (*in != '\0' && strchr(delimiters, *in) != NULL)
 			in++;
@@ -71,6 +72,7 @@ style_parse(struct style *sy, const struct grid_cell *base, const char *in)
 		memcpy(tmp, in, end);
 		tmp[end] = '\0';
 
+		log_debug("%s: %s", __func__, tmp);
 		if (strcasecmp(tmp, "default") == 0) {
 			sy->gc.fg = base->fg;
 			sy->gc.bg = base->bg;
@@ -285,30 +287,3 @@ style_copy(struct style *dst, struct style *src)
 {
 	memcpy(dst, src, sizeof *dst);
 }
-
-/* Check if two styles are (visibly) the same. */
-int
-style_equal(struct style *sy1, struct style *sy2)
-{
-	struct grid_cell	*gc1 = &sy1->gc;
-	struct grid_cell	*gc2 = &sy2->gc;
-
-	if (gc1->fg != gc2->fg)
-		return (0);
-	if (gc1->bg != gc2->bg)
-		return (0);
-	if ((gc1->attr & STYLE_ATTR_MASK) != (gc2->attr & STYLE_ATTR_MASK))
-		return (0);
-	if (sy1->fill != sy2->fill)
-		return (0);
-	if (sy1->align != sy2->align)
-		return (0);
-	return (1);
-}
-
-/* Is this style default? */
-int
-style_is_default(struct style *sy)
-{
-	return (style_equal(sy, &style_default));
-}

tmux.h

@@ -279,6 +279,8 @@ enum tty_code_code {
 	TTYC_DIM,
 	TTYC_DL,
 	TTYC_DL1,
+	TTYC_DSBP,
+	TTYC_DSFCS,
 	TTYC_DSMG,
 	TTYC_E3,
 	TTYC_ECH,
@@ -286,6 +288,8 @@ enum tty_code_code {
 	TTYC_EL,
 	TTYC_EL1,
 	TTYC_ENACS,
+	TTYC_ENBP,
+	TTYC_ENFCS,
 	TTYC_ENMG,
 	TTYC_FSL,
 	TTYC_HOME,
@@ -924,8 +928,8 @@ struct window_pane {
 
 	struct input_ctx *ictx;
 
-	struct style	 cached_style;
+	struct grid_cell cached_gc;
-	struct style	 cached_active_style;
+	struct grid_cell cached_active_gc;
 	int		*palette;
 
 	int		 pipe_fd;
@@ -1196,6 +1200,7 @@ struct tty_term {
 #define TERM_DECSLRM 0x4
 #define TERM_DECFRA 0x8
 #define TERM_RGBCOLOURS 0x10
+#define TERM_VT100LIKE 0x20
 	int		 flags;
 
 	LIST_ENTRY(tty_term) entry;
@@ -1504,6 +1509,7 @@ struct client {
 
 	char		*term_name;
 	int		 term_features;
+	char		*term_type;
 
 	char		*ttyname;
 	struct tty	 tty;
@@ -1819,7 +1825,14 @@ char		*format_expand(struct format_tree *, const char *);
 char		*format_single(struct cmdq_item *, const char *,
 		     struct client *, struct session *, struct winlink *,
 		     struct window_pane *);
+char		*format_single_from_state(struct cmdq_item *, const char *,
+		    struct client *, struct cmd_find_state *);
 char		*format_single_from_target(struct cmdq_item *, const char *);
+struct format_tree *format_create_defaults(struct cmdq_item *, struct client *,
+		     struct session *, struct winlink *, struct window_pane *);
+struct format_tree *format_create_from_state(struct cmdq_item *,
+		     struct client *, struct cmd_find_state *);
+struct format_tree *format_create_from_target(struct cmdq_item *);
 void		 format_defaults(struct format_tree *, struct client *,
 		     struct session *, struct winlink *, struct window_pane *);
 void		 format_defaults_window(struct format_tree *, struct window *);
@@ -2028,6 +2041,7 @@ const char	*tty_term_describe(struct tty_term *, enum tty_code_code);
 void		 tty_add_features(int *, const char *, const char *);
 const char	*tty_get_features(int);
 int		 tty_apply_features(struct tty_term *, int);
+void		 tty_default_features(int *, const char *, u_int);
 
 /* tty-acs.c */
 int		 tty_acs_needed(struct tty *);
@@ -2349,6 +2363,8 @@ int	 attributes_fromstring(const char *);
 extern const struct grid_cell grid_default_cell;
 void	 grid_empty_line(struct grid *, u_int, u_int);
 int	 grid_cells_equal(const struct grid_cell *, const struct grid_cell *);
+int	 grid_cells_look_equal(const struct grid_cell *,
+	     const struct grid_cell *);
 struct grid *grid_create(u_int, u_int, u_int);
 void	 grid_destroy(struct grid *);
 int	 grid_compare(struct grid *, struct grid *);
@@ -2713,7 +2729,7 @@ struct session	*session_create(const char *, const char *, const char *,
 void		 session_destroy(struct session *, int,  const char *);
 void		 session_add_ref(struct session *, const char *);
 void		 session_remove_ref(struct session *, const char *);
-int		 session_check_name(const char *);
+char		*session_check_name(const char *);
 void		 session_update_activity(struct session *, struct timeval *);
 struct session	*session_next_session(struct session *);
 struct session	*session_previous_session(struct session *);
@@ -2804,10 +2820,8 @@ int		 style_parse(struct style *,const struct grid_cell *,
 const char	*style_tostring(struct style *);
 void		 style_apply(struct grid_cell *, struct options *,
 		     const char *);
-int		 style_equal(struct style *, struct style *);
 void		 style_set(struct style *, const struct grid_cell *);
 void		 style_copy(struct style *, struct style *);
-int		 style_is_default(struct style *);
 
 /* spawn.c */
 struct winlink	*spawn_window(struct spawn_context *, char **);

tty.c

@@ -330,13 +330,12 @@ tty_start_tty(struct tty *tty)
 		tty_puts(tty, "\033[?1006l\033[?1005l");
 	}
 
-	if (tty_term_flag(tty->term, TTYC_XT)) {
+	if (options_get_number(global_options, "focus-events")) {
-		if (options_get_number(global_options, "focus-events")) {
+		tty->flags |= TTY_FOCUS;
-			tty->flags |= TTY_FOCUS;
+		tty_raw(tty, tty_term_string(tty->term, TTYC_ENFCS));
-			tty_puts(tty, "\033[?1004h");
-		}
-		tty_puts(tty, "\033[?7727h");
 	}
+	if (tty->term->flags & TERM_VT100LIKE)
+		tty_puts(tty, "\033[?7727h");
 
 	evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
 	evtimer_add(&tty->start_timer, &tv);
@@ -358,7 +357,7 @@ tty_send_requests(struct tty *tty)
 	if (~tty->flags & TTY_STARTED)
 		return;
 
-	if (tty_term_flag(tty->term, TTYC_XT)) {
+	if (tty->term->flags & TERM_VT100LIKE) {
 		if (~tty->flags & TTY_HAVEDA)
 			tty_puts(tty, "\033[>c");
 		if (~tty->flags & TTY_HAVEXDA)
@@ -407,7 +406,7 @@ tty_stop_tty(struct tty *tty)
 			tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
 	}
 	if (tty->mode & MODE_BRACKETPASTE)
-		tty_raw(tty, "\033[?2004l");
+		tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
 	if (*tty->ccolour != '\0')
 		tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
 
@@ -417,13 +416,12 @@ tty_stop_tty(struct tty *tty)
 		tty_raw(tty, "\033[?1006l\033[?1005l");
 	}
 
-	if (tty_term_flag(tty->term, TTYC_XT)) {
+	if (tty->flags & TTY_FOCUS) {
-		if (tty->flags & TTY_FOCUS) {
+		tty->flags &= ~TTY_FOCUS;
-			tty->flags &= ~TTY_FOCUS;
+		tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
-			tty_raw(tty, "\033[?1004l");
-		}
-		tty_raw(tty, "\033[?7727l");
 	}
+	if (tty->term->flags & TERM_VT100LIKE)
+		tty_raw(tty, "\033[?7727l");
 
 	if (tty_use_margin(tty))
 		tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
@@ -676,7 +674,8 @@ tty_update_mode(struct tty *tty, int mode, struct screen *s)
 		mode &= ~MODE_CURSOR;
 
 	changed = mode ^ tty->mode;
-	log_debug("%s: update mode %x to %x", c->name, tty->mode, mode);
+	if (changed != 0)
+		log_debug("%s: update mode %x to %x", c->name, tty->mode, mode);
 
 	if (changed & MODE_BLINKING) {
 		if (tty_term_has(tty->term, TTYC_CVVIS))
@@ -729,9 +728,9 @@ tty_update_mode(struct tty *tty, int mode, struct screen *s)
 	}
 	if (changed & MODE_BRACKETPASTE) {
 		if (mode & MODE_BRACKETPASTE)
-			tty_puts(tty, "\033[?2004h");
+			tty_putcode(tty, TTYC_ENBP);
 		else
-			tty_puts(tty, "\033[?2004l");
+			tty_putcode(tty, TTYC_DSBP);
 	}
 	tty->mode = mode;
 }
@@ -2691,27 +2690,19 @@ static void
 tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
 {
 	struct options	*oo = wp->options;
-	struct style	*style, *active_style;
 	int		 c;
 
 	if (wp->flags & PANE_STYLECHANGED) {
 		wp->flags &= ~PANE_STYLECHANGED;
-
+		style_apply(&wp->cached_active_gc, oo, "window-active-style");
-		active_style = options_get_style(oo, "window-active-style");
+		style_apply(&wp->cached_gc, oo, "window-style");
-		style = options_get_style(oo, "window-style");
-
-		style_copy(&wp->cached_active_style, active_style);
-		style_copy(&wp->cached_style, style);
-	} else {
-		active_style = &wp->cached_active_style;
-		style = &wp->cached_style;
 	}
 
 	if (gc->fg == 8) {
-		if (wp == wp->window->active && active_style->gc.fg != 8)
+		if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
-			gc->fg = active_style->gc.fg;
+			gc->fg = wp->cached_active_gc.fg;
 		else
-			gc->fg = style->gc.fg;
+			gc->fg = wp->cached_gc.fg;
 
 		if (gc->fg != 8) {
 			c = window_pane_get_palette(wp, gc->fg);
@@ -2721,10 +2712,10 @@ tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
 	}
 
 	if (gc->bg == 8) {
-		if (wp == wp->window->active && active_style->gc.bg != 8)
+		if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
-			gc->bg = active_style->gc.bg;
+			gc->bg = wp->cached_active_gc.bg;
 		else
-			gc->bg = style->gc.bg;
+			gc->bg = wp->cached_gc.bg;
 
 		if (gc->bg != 8) {
 			c = window_pane_get_palette(wp, gc->bg);

window.c

@@ -488,8 +488,8 @@ window_set_active_pane(struct window *w, struct window_pane *wp, int notify)
 void
 window_redraw_active_switch(struct window *w, struct window_pane *wp)
 {
-	struct style	*sy1, *sy2;
+	struct grid_cell	*gc1, *gc2;
-	int		 c1, c2;
+	int			 c1, c2;
 
 	if (wp == w->active)
 		return;
@@ -499,18 +499,18 @@ window_redraw_active_switch(struct window *w, struct window_pane *wp)
 		 * If the active and inactive styles or palettes are different,
 		 * need to redraw the panes.
 		 */
-		sy1 = &wp->cached_style;
+		gc1 = &wp->cached_gc;
-		sy2 = &wp->cached_active_style;
+		gc2 = &wp->cached_active_gc;
-		if (!style_equal(sy1, sy2))
+		if (!grid_cells_look_equal(gc1, gc2))
 			wp->flags |= PANE_REDRAW;
 		else {
-			c1 = window_pane_get_palette(wp, sy1->gc.fg);
+			c1 = window_pane_get_palette(wp, gc1->fg);
-			c2 = window_pane_get_palette(wp, sy2->gc.fg);
+			c2 = window_pane_get_palette(wp, gc2->fg);
 			if (c1 != c2)
 				wp->flags |= PANE_REDRAW;
 			else {
-				c1 = window_pane_get_palette(wp, sy1->gc.bg);
+				c1 = window_pane_get_palette(wp, gc1->bg);
-				c2 = window_pane_get_palette(wp, sy2->gc.bg);
+				c2 = window_pane_get_palette(wp, gc2->bg);
 				if (c1 != c2)
 					wp->flags |= PANE_REDRAW;
 			}