Merging upstream version 3.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 354 insertions, 128 deletions

diff --git a/tty.c b/tty.c
index 49cf979..359dc13 100644
--- a/tty.c
+++ b/tty.c
@@ -34,8 +34,6 @@
 
 static int	tty_log_fd = -1;
 
-static int	tty_client_ready(struct client *);
-
 static void	tty_set_italics(struct tty *);
 static int	tty_try_colour(struct tty *, int, const char *);
 static void	tty_force_cursor_colour(struct tty *, int);
@@ -69,11 +67,16 @@ static void	tty_emulate_repeat(struct tty *, enum tty_code_code,
 static void	tty_repeat_space(struct tty *, u_int);
 static void	tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
 static void	tty_default_attributes(struct tty *, const struct grid_cell *,
-		    struct colour_palette *, u_int);
+		    struct colour_palette *, u_int, struct hyperlinks *);
 static int	tty_check_overlay(struct tty *, u_int, u_int);
 static void	tty_check_overlay_range(struct tty *, u_int, u_int, u_int,
 		    struct overlay_ranges *);
 
+#ifdef ENABLE_SIXEL
+static void	tty_write_one(void (*)(struct tty *, const struct tty_ctx *),
+		    struct client *, struct tty_ctx *);
+#endif
+
 #define tty_use_margin(tty) \
 	(tty->term->flags & TERM_DECSLRM)
 #define tty_full_width(tty, ctx) \
@@ -84,6 +87,7 @@ static void	tty_check_overlay_range(struct tty *, u_int, u_int, u_int,
 #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
 
 #define TTY_QUERY_TIMEOUT 5
+#define TTY_REQUEST_LIMIT 30
 
 void
 tty_create_log(void)
@@ -108,6 +112,7 @@ tty_init(struct tty *tty, struct client *c)
 
 	tty->cstyle = SCREEN_CURSOR_DEFAULT;
 	tty->ccolour = -1;
+	tty->fg = tty->bg = -1;
 
 	if (tcgetattr(c->fd, &tty->tio) != 0)
 		return (-1);
@@ -286,7 +291,6 @@ tty_open(struct tty *tty, char **cause)
 	evtimer_set(&tty->timer, tty_timer_callback, tty);
 
 	tty_start_tty(tty);
-
 	tty_keys_build(tty);
 
 	return (0);
@@ -299,9 +303,9 @@ tty_start_timer_callback(__unused int fd, __unused short events, void *data)
 	struct client	*c = tty->client;
 
 	log_debug("%s: start timer fired", c->name);
-	if ((tty->flags & (TTY_HAVEDA|TTY_HAVEXDA)) == 0)
+	if ((tty->flags & (TTY_HAVEDA|TTY_HAVEDA2|TTY_HAVEXDA)) == 0)
 		tty_update_features(tty);
-	tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
+	tty->flags |= TTY_ALL_REQUEST_FLAGS;
 }
 
 void
@@ -341,6 +345,8 @@ tty_start_tty(struct tty *tty)
 		tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
 		tty_puts(tty, "\033[?1006l\033[?1005l");
 	}
+	if (tty_term_has(tty->term, TTYC_ENBP))
+		tty_putcode(tty, TTYC_ENBP);
 
 	evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
 	evtimer_add(&tty->start_timer, &tv);
@@ -363,12 +369,35 @@ tty_send_requests(struct tty *tty)
 		return;
 
 	if (tty->term->flags & TERM_VT100LIKE) {
-		if (~tty->flags & TTY_HAVEDA)
+		if (~tty->term->flags & TTY_HAVEDA)
+			tty_puts(tty, "\033[c");
+		if (~tty->flags & TTY_HAVEDA2)
 			tty_puts(tty, "\033[>c");
 		if (~tty->flags & TTY_HAVEXDA)
 			tty_puts(tty, "\033[>q");
+		tty_puts(tty, "\033]10;?\033\\");
+		tty_puts(tty, "\033]11;?\033\\");
 	} else
-		tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
+		tty->flags |= TTY_ALL_REQUEST_FLAGS;
+	tty->last_requests = time (NULL);
+}
+
+void
+tty_repeat_requests(struct tty *tty)
+{
+	time_t	t = time (NULL);
+
+	if (~tty->flags & TTY_STARTED)
+		return;
+
+	if (t - tty->last_requests <= TTY_REQUEST_LIMIT)
+		return;
+	tty->last_requests = t;
+
+	if (tty->term->flags & TERM_VT100LIKE) {
+		tty_puts(tty, "\033]10;?\033\\");
+		tty_puts(tty, "\033]11;?\033\\");
+	}
 }
 
 void
@@ -399,7 +428,7 @@ tty_stop_tty(struct tty *tty)
 	if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
 		return;
 
-	tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
+	tty_raw(tty, tty_term_string_ii(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
 	if (tty_acs_needed(tty))
 		tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
 	tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
@@ -409,10 +438,8 @@ tty_stop_tty(struct tty *tty)
 		if (tty_term_has(tty->term, TTYC_SE))
 			tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
 		else if (tty_term_has(tty->term, TTYC_SS))
-			tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
+			tty_raw(tty, tty_term_string_i(tty->term, TTYC_SS, 0));
 	}
-	if (tty->mode & MODE_BRACKETPASTE)
-		tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
 	if (tty->ccolour != -1)
 		tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
 
@@ -421,6 +448,8 @@ tty_stop_tty(struct tty *tty)
 		tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
 		tty_raw(tty, "\033[?1006l\033[?1005l");
 	}
+	if (tty_term_has(tty->term, TTYC_DSBP))
+		tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
 
 	if (tty->term->flags & TERM_VT100LIKE)
 		tty_raw(tty, "\033[?7727l");
@@ -476,6 +505,14 @@ tty_update_features(struct tty *tty)
 		tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
 	if (tty->term->flags & TERM_VT100LIKE)
 		tty_puts(tty, "\033[?7727h");
+
+	/*
+	 * Features might have changed since the first draw during attach. For
+	 * example, this happens when DA responses are received.
+	 */
+	server_redraw_client(c);
+
+	tty_invalidate(tty);
 }
 
 void
@@ -506,42 +543,42 @@ tty_putcode(struct tty *tty, enum tty_code_code code)
 }
 
 void
-tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
+tty_putcode_i(struct tty *tty, enum tty_code_code code, int a)
 {
 	if (a < 0)
 		return;
-	tty_puts(tty, tty_term_string1(tty->term, code, a));
+	tty_puts(tty, tty_term_string_i(tty->term, code, a));
 }
 
 void
-tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
+tty_putcode_ii(struct tty *tty, enum tty_code_code code, int a, int b)
 {
 	if (a < 0 || b < 0)
 		return;
-	tty_puts(tty, tty_term_string2(tty->term, code, a, b));
+	tty_puts(tty, tty_term_string_ii(tty->term, code, a, b));
 }
 
 void
-tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
+tty_putcode_iii(struct tty *tty, enum tty_code_code code, int a, int b, int c)
 {
 	if (a < 0 || b < 0 || c < 0)
 		return;
-	tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
+	tty_puts(tty, tty_term_string_iii(tty->term, code, a, b, c));
 }
 
 void
-tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
+tty_putcode_s(struct tty *tty, enum tty_code_code code, const char *a)
 {
 	if (a != NULL)
-		tty_puts(tty, tty_term_ptr1(tty->term, code, a));
+		tty_puts(tty, tty_term_string_s(tty->term, code, a));
 }
 
 void
-tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
-    const void *b)
+tty_putcode_ss(struct tty *tty, enum tty_code_code code, const char *a,
+    const char *b)
 {
 	if (a != NULL && b != NULL)
-		tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
+		tty_puts(tty, tty_term_string_ss(tty->term, code, a, b));
 }
 
 static void
@@ -603,7 +640,7 @@ tty_putc(struct tty *tty, u_char ch)
 			 * it works on sensible terminals as well.
 			 */
 			if (tty->term->flags & TERM_NOAM)
-				tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
+				tty_putcode_ii(tty, TTYC_CUP, tty->cy, tty->cx);
 		} else
 			tty->cx++;
 	}
@@ -671,7 +708,7 @@ static void
 tty_force_cursor_colour(struct tty *tty, int c)
 {
 	u_char	r, g, b;
-	char	s[13] = "";
+	char	s[13];
 
 	if (c != -1)
 		c = colour_force_rgb(c);
@@ -682,7 +719,7 @@ tty_force_cursor_colour(struct tty *tty, int c)
 	else {
 		colour_split_rgb(c, &r, &g, &b);
 		xsnprintf(s, sizeof s, "rgb:%02hhx/%02hhx/%02hhx", r, g, b);
-		tty_putcode_ptr1(tty, TTYC_CS, s);
+		tty_putcode_s(tty, TTYC_CS, s);
 	}
 	tty->ccolour = c;
 }
@@ -743,7 +780,7 @@ tty_update_cursor(struct tty *tty, int mode, struct screen *s)
 			if (tty_term_has(tty->term, TTYC_SE))
 				tty_putcode(tty, TTYC_SE);
 			else
-				tty_putcode1(tty, TTYC_SS, 0);
+				tty_putcode_i(tty, TTYC_SS, 0);
 		}
 		if (cmode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
 			tty_putcode(tty, TTYC_CVVIS);
@@ -751,27 +788,27 @@ tty_update_cursor(struct tty *tty, int mode, struct screen *s)
 	case SCREEN_CURSOR_BLOCK:
 		if (tty_term_has(tty->term, TTYC_SS)) {
 			if (cmode & MODE_CURSOR_BLINKING)
-				tty_putcode1(tty, TTYC_SS, 1);
+				tty_putcode_i(tty, TTYC_SS, 1);
 			else
-				tty_putcode1(tty, TTYC_SS, 2);
+				tty_putcode_i(tty, TTYC_SS, 2);
 		} else if (cmode & MODE_CURSOR_BLINKING)
 			tty_putcode(tty, TTYC_CVVIS);
 		break;
 	case SCREEN_CURSOR_UNDERLINE:
 		if (tty_term_has(tty->term, TTYC_SS)) {
 			if (cmode & MODE_CURSOR_BLINKING)
-				tty_putcode1(tty, TTYC_SS, 3);
+				tty_putcode_i(tty, TTYC_SS, 3);
 			else
-				tty_putcode1(tty, TTYC_SS, 4);
+				tty_putcode_i(tty, TTYC_SS, 4);
 		} else if (cmode & MODE_CURSOR_BLINKING)
 			tty_putcode(tty, TTYC_CVVIS);
 		break;
 	case SCREEN_CURSOR_BAR:
 		if (tty_term_has(tty->term, TTYC_SS)) {
 			if (cmode & MODE_CURSOR_BLINKING)
-				tty_putcode1(tty, TTYC_SS, 5);
+				tty_putcode_i(tty, TTYC_SS, 5);
 			else
-				tty_putcode1(tty, TTYC_SS, 6);
+				tty_putcode_i(tty, TTYC_SS, 6);
 		} else if (cmode & MODE_CURSOR_BLINKING)
 			tty_putcode(tty, TTYC_CVVIS);
 		break;
@@ -819,12 +856,6 @@ tty_update_mode(struct tty *tty, int mode, struct screen *s)
 		else if (mode & MODE_MOUSE_STANDARD)
 			tty_puts(tty, "\033[?1000h");
 	}
-	if (changed & MODE_BRACKETPASTE) {
-		if (mode & MODE_BRACKETPASTE)
-			tty_putcode(tty, TTYC_ENBP);
-		else
-			tty_putcode(tty, TTYC_DSBP);
-	}
 	tty->mode = mode;
 }
 
@@ -833,7 +864,7 @@ tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
     enum tty_code_code code1, u_int n)
 {
 	if (tty_term_has(tty->term, code))
-		tty_putcode1(tty, code, n);
+		tty_putcode_i(tty, code, n);
 	else {
 		while (n-- > 0)
 			tty_putcode(tty, code1);
@@ -1122,7 +1153,7 @@ tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
 		/* Section of line. Use ECH if possible. */
 		if (tty_term_has(tty->term, TTYC_ECH)) {
 			tty_cursor(tty, px, py);
-			tty_putcode1(tty, TTYC_ECH, nx);
+			tty_putcode_i(tty, TTYC_ECH, nx);
 			return;
 		}
 	}
@@ -1263,7 +1294,7 @@ tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
 		    tty_term_has(tty->term, TTYC_INDN)) {
 			tty_region(tty, py, py + ny - 1);
 			tty_margin_off(tty);
-			tty_putcode1(tty, TTYC_INDN, ny);
+			tty_putcode_i(tty, TTYC_INDN, ny);
 			return;
 		}
 
@@ -1278,7 +1309,7 @@ tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
 		    tty_term_has(tty->term, TTYC_INDN)) {
 			tty_region(tty, py, py + ny - 1);
 			tty_margin(tty, px, px + nx - 1);
-			tty_putcode1(tty, TTYC_INDN, ny);
+			tty_putcode_i(tty, TTYC_INDN, ny);
 			return;
 		}
 	}
@@ -1455,7 +1486,8 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
 		    tty_term_has(tty->term, TTYC_EL1) &&
 		    !tty_fake_bce(tty, defaults, 8) &&
 		    c->overlay_check == NULL) {
-			tty_default_attributes(tty, defaults, palette, 8);
+			tty_default_attributes(tty, defaults, palette, 8,
+			    s->hyperlinks);
 			tty_cursor(tty, nx - 1, aty);
 			tty_putcode(tty, TTYC_EL1);
 			cleared = 1;
@@ -1480,9 +1512,11 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
 		    gcp->fg != last.fg ||
 		    gcp->bg != last.bg ||
 		    gcp->us != last.us ||
+		    gcp->link != last.link ||
 		    ux + width + gcp->data.width > nx ||
 		    (sizeof buf) - len < gcp->data.size)) {
-			tty_attributes(tty, &last, defaults, palette);
+			tty_attributes(tty, &last, defaults, palette,
+			    s->hyperlinks);
 			if (last.flags & GRID_FLAG_CLEARED) {
 				log_debug("%s: %zu cleared", __func__, len);
 				tty_clear_line(tty, defaults, aty, atx + ux,
@@ -1515,7 +1549,8 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
 				ux += gcp->data.width;
 		} else if (hidden != 0 || ux + gcp->data.width > nx) {
 			if (~gcp->flags & GRID_FLAG_PADDING) {
-				tty_attributes(tty, &last, defaults, palette);
+				tty_attributes(tty, &last, defaults, palette,
+				    s->hyperlinks);
 				for (j = 0; j < OVERLAY_MAX_RANGES; j++) {
 					if (r.nx[j] == 0)
 						continue;
@@ -1532,7 +1567,8 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
 				}
 			}
 		} else if (gcp->attr & GRID_ATTR_CHARSET) {
-			tty_attributes(tty, &last, defaults, palette);
+			tty_attributes(tty, &last, defaults, palette,
+			    s->hyperlinks);
 			tty_cursor(tty, atx + ux, aty);
 			for (j = 0; j < gcp->data.size; j++)
 				tty_putc(tty, gcp->data.data[j]);
@@ -1544,7 +1580,7 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
 		}
 	}
 	if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
-		tty_attributes(tty, &last, defaults, palette);
+		tty_attributes(tty, &last, defaults, palette, s->hyperlinks);
 		if (last.flags & GRID_FLAG_CLEARED) {
 			log_debug("%s: %zu cleared (end)", __func__, len);
 			tty_clear_line(tty, defaults, aty, atx + ux, width,
@@ -1560,7 +1596,8 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
 	if (!cleared && ux < nx) {
 		log_debug("%s: %u to end of line (%zu cleared)", __func__,
 		    nx - ux, len);
-		tty_default_attributes(tty, defaults, palette, 8);
+		tty_default_attributes(tty, defaults, palette, 8,
+		    s->hyperlinks);
 		tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
 	}
 
@@ -1568,6 +1605,58 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
 	tty_update_mode(tty, tty->mode, s);
 }
 
+#ifdef ENABLE_SIXEL
+/* Update context for client. */
+static int
+tty_set_client_cb(struct tty_ctx *ttyctx, struct client *c)
+{
+	struct window_pane	*wp = ttyctx->arg;
+
+	if (c->session->curw->window != wp->window)
+		return (0);
+	if (wp->layout_cell == NULL)
+		return (0);
+
+	/* Set the properties relevant to the current client. */
+	ttyctx->bigger = tty_window_offset(&c->tty, &ttyctx->wox, &ttyctx->woy,
+	    &ttyctx->wsx, &ttyctx->wsy);
+
+	ttyctx->yoff = ttyctx->ryoff = wp->yoff;
+	if (status_at_line(c) == 0)
+		ttyctx->yoff += status_line_size(c);
+
+	return (1);
+}
+
+void
+tty_draw_images(struct client *c, struct window_pane *wp, struct screen *s)
+{
+	struct image	*im;
+	struct tty_ctx	 ttyctx;
+
+	TAILQ_FOREACH(im, &s->images, entry) {
+		memset(&ttyctx, 0, sizeof ttyctx);
+
+		/* Set the client independent properties. */
+		ttyctx.ocx = im->px;
+		ttyctx.ocy = im->py;
+
+		ttyctx.orlower = s->rlower;
+		ttyctx.orupper = s->rupper;
+
+		ttyctx.xoff = ttyctx.rxoff = wp->xoff;
+		ttyctx.sx = wp->sx;
+		ttyctx.sy = wp->sy;
+
+		ttyctx.ptr = im;
+		ttyctx.arg = wp;
+		ttyctx.set_client_cb = tty_set_client_cb;
+		ttyctx.allow_invisible_panes = 1;
+		tty_write_one(tty_cmd_sixelimage, c, &ttyctx);
+	}
+}
+#endif
+
 void
 tty_sync_start(struct tty *tty)
 {
@@ -1579,7 +1668,7 @@ tty_sync_start(struct tty *tty)
 
 	if (tty_term_has(tty->term, TTYC_SYNC)) {
 		log_debug("%s sync start", tty->client->name);
-		tty_putcode1(tty, TTYC_SYNC, 1);
+		tty_putcode_i(tty, TTYC_SYNC, 1);
 	}
 }
 
@@ -1594,16 +1683,26 @@ tty_sync_end(struct tty *tty)
 
 	if (tty_term_has(tty->term, TTYC_SYNC)) {
  		log_debug("%s sync end", tty->client->name);
-		tty_putcode1(tty, TTYC_SYNC, 2);
+		tty_putcode_i(tty, TTYC_SYNC, 2);
 	}
 }
 
 static int
-tty_client_ready(struct client *c)
+tty_client_ready(const struct tty_ctx *ctx, struct client *c)
 {
 	if (c->session == NULL || c->tty.term == NULL)
 		return (0);
-	if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
+	if (c->flags & CLIENT_SUSPENDED)
+		return (0);
+
+	/*
+	 * If invisible panes are allowed (used for passthrough), don't care if
+	 * redrawing or frozen.
+	 */
+	if (ctx->allow_invisible_panes)
+		return (1);
+
+	if (c->flags & CLIENT_REDRAWWINDOW)
 		return (0);
 	if (c->tty.flags & TTY_FREEZE)
 		return (0);
@@ -1620,17 +1719,30 @@ tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
 	if (ctx->set_client_cb == NULL)
 		return;
 	TAILQ_FOREACH(c, &clients, entry) {
-		if (!tty_client_ready(c))
-			continue;
-		state = ctx->set_client_cb(ctx, c);
-		if (state == -1)
-			break;
-		if (state == 0)
-			continue;
-		cmdfn(&c->tty, ctx);
+		if (tty_client_ready(ctx, c)) {
+			state = ctx->set_client_cb(ctx, c);
+			if (state == -1)
+				break;
+			if (state == 0)
+				continue;
+			cmdfn(&c->tty, ctx);
+		}
 	}
 }
 
+#ifdef ENABLE_SIXEL
+/* Only write to the incoming tty instead of every client. */
+static void
+tty_write_one(void (*cmdfn)(struct tty *, const struct tty_ctx *),
+    struct client *c, struct tty_ctx *ctx)
+{
+	if (ctx->set_client_cb == NULL)
+		return;
+	if ((ctx->set_client_cb(ctx, c)) == 1)
+		cmdfn(&c->tty, ctx);
+}
+#endif
+
 void
 tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
 {
@@ -1646,7 +1758,8 @@ tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
 		return;
 	}
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
 
@@ -1668,7 +1781,8 @@ tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
 		return;
 	}
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
 
@@ -1678,7 +1792,8 @@ tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
 void
 tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
 {
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
 }
@@ -1700,7 +1815,8 @@ tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
 		return;
 	}
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
 	tty_margin_off(tty);
@@ -1727,7 +1843,8 @@ tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
 		return;
 	}
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
 	tty_margin_off(tty);
@@ -1740,7 +1857,8 @@ tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
 void
 tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
 {
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
 }
@@ -1750,7 +1868,8 @@ tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
 {
 	u_int	nx = ctx->sx - ctx->ocx;
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
 }
@@ -1758,7 +1877,8 @@ tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
 void
 tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
 {
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
 }
@@ -1784,7 +1904,8 @@ tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
 		return;
 	}
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
 	tty_margin_pane(tty, ctx);
@@ -1793,7 +1914,7 @@ tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
 	if (tty_term_has(tty->term, TTYC_RI))
 		tty_putcode(tty, TTYC_RI);
 	else
-		tty_putcode1(tty, TTYC_RIN, 1);
+		tty_putcode_i(tty, TTYC_RIN, 1);
 }
 
 void
@@ -1815,7 +1936,8 @@ tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
 		return;
 	}
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
 	tty_margin_pane(tty, ctx);
@@ -1855,7 +1977,8 @@ tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
 		return;
 	}
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
 	tty_margin_pane(tty, ctx);
@@ -1872,7 +1995,7 @@ tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
 			tty_cursor(tty, 0, 0);
 		else
 			tty_cursor(tty, 0, tty->cy);
-		tty_putcode1(tty, TTYC_INDN, ctx->num);
+		tty_putcode_i(tty, TTYC_INDN, ctx->num);
 	}
 }
 
@@ -1895,14 +2018,15 @@ tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
 		return;
 	}
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
 	tty_margin_pane(tty, ctx);
 	tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
 
 	if (tty_term_has(tty->term, TTYC_RIN))
-		tty_putcode1(tty, TTYC_RIN, ctx->num);
+		tty_putcode_i(tty, TTYC_RIN, ctx->num);
 	else {
 		for (i = 0; i < ctx->num; i++)
 			tty_putcode(tty, TTYC_RI);
@@ -1914,7 +2038,8 @@ tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
 {
 	u_int	px, py, nx, ny;
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_region_pane(tty, ctx, 0, ctx->sy - 1);
 	tty_margin_off(tty);
@@ -1938,7 +2063,8 @@ tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
 {
 	u_int	px, py, nx, ny;
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_region_pane(tty, ctx, 0, ctx->sy - 1);
 	tty_margin_off(tty);
@@ -1962,7 +2088,8 @@ tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
 {
 	u_int	px, py, nx, ny;
 
-	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
+	tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
+	    ctx->s->hyperlinks);
 
 	tty_region_pane(tty, ctx, 0, ctx->sy - 1);
 	tty_margin_off(tty);
@@ -1985,7 +2112,8 @@ tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
 		return;
 	}
 
-	tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
+	tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette,
+	    ctx->s->hyperlinks);
 
 	tty_region_pane(tty, ctx, 0, ctx->sy - 1);
 	tty_margin_off(tty);
@@ -2031,7 +2159,11 @@ tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
 	tty_margin_off(tty);
 	tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
 
-	tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
+	tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette,
+	    ctx->s->hyperlinks);
+
+	if (ctx->num == 1)
+		tty_invalidate(tty);
 }
 
 void
@@ -2062,7 +2194,7 @@ tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
 
 	tty_margin_off(tty);
 	tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
-	tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
+	tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette, ctx->s->hyperlinks);
 
 	/* Get tty position from pane position for overlay check. */
 	px = ctx->xoff + ctx->ocx - ctx->wox;
@@ -2082,11 +2214,12 @@ tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
 void
 tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
 {
-	tty_set_selection(tty, ctx->ptr, ctx->num);
+	tty_set_selection(tty, ctx->ptr2, ctx->ptr, ctx->num);
 }
 
 void
-tty_set_selection(struct tty *tty, const char *buf, size_t len)
+tty_set_selection(struct tty *tty, const char *flags, const char *buf,
+    size_t len)
 {
 	char	*encoded;
 	size_t	 size;
@@ -2101,7 +2234,7 @@ tty_set_selection(struct tty *tty, const char *buf, size_t len)
 
 	b64_ntop(buf, len, encoded, size);
 	tty->flags |= TTY_NOBLOCK;
-	tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
+	tty_putcode_ss(tty, TTYC_MS, flags, encoded);
 
 	free(encoded);
 }
@@ -2114,6 +2247,58 @@ tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
 	tty_invalidate(tty);
 }
 
+#ifdef ENABLE_SIXEL
+void
+tty_cmd_sixelimage(struct tty *tty, const struct tty_ctx *ctx)
+{
+	struct image		*im = ctx->ptr;
+	struct sixel_image	*si = im->data;
+	struct sixel_image	*new;
+	char			*data;
+	size_t			 size;
+	u_int			 cx = ctx->ocx, cy = ctx->ocy, sx, sy;
+	u_int			 i, j, x, y, rx, ry;
+	int			 fallback = 0;
+
+	if ((~tty->term->flags & TERM_SIXEL) &&
+            !tty_term_has(tty->term, TTYC_SXL))
+		fallback = 1;
+	if (tty->xpixel == 0 || tty->ypixel == 0)
+		fallback = 1;
+
+	sixel_size_in_cells(si, &sx, &sy);
+	log_debug("%s: image is %ux%u", __func__, sx, sy);
+	if (!tty_clamp_area(tty, ctx, cx, cy, sx, sy, &i, &j, &x, &y, &rx, &ry))
+		return;
+	log_debug("%s: clamping to %u,%u-%u,%u", __func__, i, j, rx, ry);
+
+	if (fallback == 1) {
+		data = xstrdup(im->fallback);
+		size = strlen(data);
+	} else {
+		new = sixel_scale(si, tty->xpixel, tty->ypixel, i, j, rx, ry, 0);
+		if (new == NULL)
+			return;
+
+		data = sixel_print(new, si, &size);
+	}
+	if (data != NULL) {
+		log_debug("%s: %zu bytes: %s", __func__, size, data);
+		tty_region_off(tty);
+		tty_margin_off(tty);
+		tty_cursor(tty, x, y);
+
+		tty->flags |= TTY_NOBLOCK;
+		tty_add(tty, data, size);
+		tty_invalidate(tty);
+		free(data);
+	}
+
+	if (fallback == 0)
+		sixel_free(new);
+}
+#endif
+
 void
 tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
 {
@@ -2135,7 +2320,8 @@ tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
 
 void
 tty_cell(struct tty *tty, const struct grid_cell *gc,
-    const struct grid_cell *defaults, struct colour_palette *palette)
+    const struct grid_cell *defaults, struct colour_palette *palette,
+    struct hyperlinks *hl)
 {
 	const struct grid_cell	*gcp;
 
@@ -2151,11 +2337,11 @@ tty_cell(struct tty *tty, const struct grid_cell *gc,
 
 	/* Check the output codeset and apply attributes. */
 	gcp = tty_check_codeset(tty, gc);
-	tty_attributes(tty, gcp, defaults, palette);
+	tty_attributes(tty, gcp, defaults, palette, hl);
 
 	/* If it is a single character, write with putc to handle ACS. */
 	if (gcp->data.size == 1) {
-		tty_attributes(tty, gcp, defaults, palette);
+		tty_attributes(tty, gcp, defaults, palette, hl);
 		if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
 			return;
 		tty_putc(tty, *gcp->data.data);
@@ -2172,6 +2358,8 @@ tty_reset(struct tty *tty)
 	struct grid_cell	*gc = &tty->cell;
 
 	if (!grid_cells_equal(gc, &grid_default_cell)) {
+		if (gc->link != 0)
+			tty_putcode_ss(tty, TTYC_HLS, "", "");
 		if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
 			tty_putcode(tty, TTYC_RMACS);
 		tty_putcode(tty, TTYC_SGR0);
@@ -2246,7 +2434,7 @@ tty_region(struct tty *tty, u_int rupper, u_int rlower)
 			tty_cursor(tty, 0, tty->cy);
 	}
 
-	tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
+	tty_putcode_ii(tty, TTYC_CSR, tty->rupper, tty->rlower);
 	tty->cx = tty->cy = UINT_MAX;
 }
 
@@ -2274,7 +2462,7 @@ tty_margin(struct tty *tty, u_int rleft, u_int rright)
 	if (tty->rleft == rleft && tty->rright == rright)
 		return;
 
-	tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
+	tty_putcode_ii(tty, TTYC_CSR, tty->rupper, tty->rlower);
 
 	tty->rleft = rleft;
 	tty->rright = rright;
@@ -2282,7 +2470,7 @@ tty_margin(struct tty *tty, u_int rleft, u_int rright)
 	if (rleft == 0 && rright == tty->sx - 1)
 		tty_putcode(tty, TTYC_CLMG);
 	else
-		tty_putcode2(tty, TTYC_CMG, rleft, rright);
+		tty_putcode_ii(tty, TTYC_CMG, rleft, rright);
 	tty->cx = tty->cy = UINT_MAX;
 }
 
@@ -2392,7 +2580,7 @@ tty_cursor(struct tty *tty, u_int cx, u_int cy)
 		 * the cursor with CUB/CUF.
 		 */
 		if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
-			tty_putcode1(tty, TTYC_HPA, cx);
+			tty_putcode_i(tty, TTYC_HPA, cx);
 			goto out;
 		} else if (change > 0 &&
 		    tty_term_has(term, TTYC_CUB) &&
@@ -2402,12 +2590,12 @@ tty_cursor(struct tty *tty, u_int cx, u_int cy)
 				tty_putcode(tty, TTYC_CUB1);
 				goto out;
 			}
-			tty_putcode1(tty, TTYC_CUB, change);
+			tty_putcode_i(tty, TTYC_CUB, change);
 			goto out;
 		} else if (change < 0 &&
 		    tty_term_has(term, TTYC_CUF) &&
 		    !tty_use_margin(tty)) {
-			tty_putcode1(tty, TTYC_CUF, -change);
+			tty_putcode_i(tty, TTYC_CUF, -change);
 			goto out;
 		}
 	} else if (cx == thisx) {
@@ -2440,30 +2628,50 @@ tty_cursor(struct tty *tty, u_int cx, u_int cy)
 		    (change < 0 && cy - change > tty->rlower) ||
 		    (change > 0 && cy - change < tty->rupper)) {
 			    if (tty_term_has(term, TTYC_VPA)) {
-				    tty_putcode1(tty, TTYC_VPA, cy);
+				    tty_putcode_i(tty, TTYC_VPA, cy);
 				    goto out;
 			    }
 		} else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
-			tty_putcode1(tty, TTYC_CUU, change);
+			tty_putcode_i(tty, TTYC_CUU, change);
 			goto out;
 		} else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
-			tty_putcode1(tty, TTYC_CUD, -change);
+			tty_putcode_i(tty, TTYC_CUD, -change);
 			goto out;
 		}
 	}
 
 absolute:
 	/* Absolute movement. */
-	tty_putcode2(tty, TTYC_CUP, cy, cx);
+	tty_putcode_ii(tty, TTYC_CUP, cy, cx);
 
 out:
 	tty->cx = cx;
 	tty->cy = cy;
 }
 
+static void
+tty_hyperlink(struct tty *tty, const struct grid_cell *gc,
+    struct hyperlinks *hl)
+{
+	const char	*uri, *id;
+
+	if (gc->link == tty->cell.link)
+		return;
+	tty->cell.link = gc->link;
+
+	if (hl == NULL)
+		return;
+
+	if (gc->link == 0 || !hyperlinks_get(hl, gc->link, &uri, NULL, &id))
+		tty_putcode_ss(tty, TTYC_HLS, "", "");
+	else
+		tty_putcode_ss(tty, TTYC_HLS, id, uri);
+}
+
 void
 tty_attributes(struct tty *tty, const struct grid_cell *gc,
-    const struct grid_cell *defaults, struct colour_palette *palette)
+    const struct grid_cell *defaults, struct colour_palette *palette,
+    struct hyperlinks *hl)
 {
 	struct grid_cell	*tc = &tty->cell, gc2;
 	int			 changed;
@@ -2481,7 +2689,8 @@ tty_attributes(struct tty *tty, const struct grid_cell *gc,
 	if (gc2.attr == tty->last_cell.attr &&
 	    gc2.fg == tty->last_cell.fg &&
 	    gc2.bg == tty->last_cell.bg &&
-	    gc2.us == tty->last_cell.us)
+	    gc2.us == tty->last_cell.us &&
+		gc2.link == tty->last_cell.link)
 		return;
 
 	/*
@@ -2533,13 +2742,13 @@ tty_attributes(struct tty *tty, const struct grid_cell *gc,
 		    !tty_term_has(tty->term, TTYC_SMULX))
 			tty_putcode(tty, TTYC_SMUL);
 		else if (changed & GRID_ATTR_UNDERSCORE_2)
-			tty_putcode1(tty, TTYC_SMULX, 2);
+			tty_putcode_i(tty, TTYC_SMULX, 2);
 		else if (changed & GRID_ATTR_UNDERSCORE_3)
-			tty_putcode1(tty, TTYC_SMULX, 3);
+			tty_putcode_i(tty, TTYC_SMULX, 3);
 		else if (changed & GRID_ATTR_UNDERSCORE_4)
-			tty_putcode1(tty, TTYC_SMULX, 4);
+			tty_putcode_i(tty, TTYC_SMULX, 4);
 		else if (changed & GRID_ATTR_UNDERSCORE_5)
-			tty_putcode1(tty, TTYC_SMULX, 5);
+			tty_putcode_i(tty, TTYC_SMULX, 5);
 	}
 	if (changed & GRID_ATTR_BLINK)
 		tty_putcode(tty, TTYC_BLINK);
@@ -2558,6 +2767,9 @@ tty_attributes(struct tty *tty, const struct grid_cell *gc,
 	if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
 		tty_putcode(tty, TTYC_SMACS);
 
+	/* Set hyperlink if any. */
+	tty_hyperlink(tty, gc, hl);
+
 	memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
 }
 
@@ -2593,14 +2805,14 @@ tty_colours(struct tty *tty, const struct grid_cell *gc)
 				if (have_ax)
 					tty_puts(tty, "\033[39m");
 				else if (tc->fg != 7)
-					tty_putcode1(tty, TTYC_SETAF, 7);
+					tty_putcode_i(tty, TTYC_SETAF, 7);
 				tc->fg = gc->fg;
 			}
 			if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
 				if (have_ax)
 					tty_puts(tty, "\033[49m");
 				else if (tc->bg != 0)
-					tty_putcode1(tty, TTYC_SETAB, 0);
+					tty_putcode_i(tty, TTYC_SETAB, 0);
 				tc->bg = gc->bg;
 			}
 		}
@@ -2632,12 +2844,14 @@ tty_check_fg(struct tty *tty, struct colour_palette *palette,
 
 	/*
 	 * Perform substitution if this pane has a palette. If the bright
-	 * attribute is set, use the bright entry in the palette by changing to
-	 * the aixterm colour.
+	 * attribute is set and Nobr is not present, use the bright entry in
+	 * the palette by changing to the aixterm colour
 	 */
 	if (~gc->flags & GRID_FLAG_NOPALETTE) {
 		c = gc->fg;
-		if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
+		if (c < 8 &&
+		    gc->attr & GRID_ATTR_BRIGHT &&
+		    !tty_term_has(tty->term, TTYC_NOBR))
 			c += 90;
 		if ((c = colour_palette_get(palette, c)) != -1)
 			gc->fg = c;
@@ -2743,9 +2957,13 @@ tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
 			gc->us = c;
 	}
 
-	/* Underscore colour is set as RGB so convert a 256 colour to RGB. */
-	if (gc->us & COLOUR_FLAG_256)
-		gc->us = colour_256toRGB (gc->us);
+	/* Convert underscore colour if only RGB can be supported. */
+	if (!tty_term_has(tty->term, TTYC_SETULC1)) {
+		    if ((c = colour_force_rgb (gc->us)) == -1)
+			    gc->us = 8;
+		    else
+			    gc->us = c;
+	}
 }
 
 static void
@@ -2768,12 +2986,12 @@ tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
 			xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
 			tty_puts(tty, s);
 		} else
-			tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
+			tty_putcode_i(tty, TTYC_SETAF, gc->fg - 90 + 8);
 		goto save;
 	}
 
 	/* Otherwise set the foreground colour. */
-	tty_putcode1(tty, TTYC_SETAF, gc->fg);
+	tty_putcode_i(tty, TTYC_SETAF, gc->fg);
 
 save:
 	/* Save the new values in the terminal current cell. */
@@ -2800,12 +3018,12 @@ tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
 			xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
 			tty_puts(tty, s);
 		} else
-			tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
+			tty_putcode_i(tty, TTYC_SETAB, gc->bg - 90 + 8);
 		goto save;
 	}
 
 	/* Otherwise set the background colour. */
-	tty_putcode1(tty, TTYC_SETAB, gc->bg);
+	tty_putcode_i(tty, TTYC_SETAB, gc->bg);
 
 save:
 	/* Save the new values in the terminal current cell. */
@@ -2820,14 +3038,22 @@ tty_colours_us(struct tty *tty, const struct grid_cell *gc)
 	u_char			 r, g, b;
 
 	/* Clear underline colour. */
-	if (gc->us == 0) {
+	if (COLOUR_DEFAULT(gc->us)) {
 		tty_putcode(tty, TTYC_OL);
 		goto save;
 	}
 
-	/* Must be an RGB colour - this should never happen. */
-	if (~gc->us & COLOUR_FLAG_RGB)
+	/*
+	 * If this is not an RGB colour, use Setulc1 if it exists, otherwise
+	 * convert.
+	 */
+	if (~gc->us & COLOUR_FLAG_RGB) {
+		c = gc->us;
+		if ((~c & COLOUR_FLAG_256) && (c >= 90 && c <= 97))
+			c -= 82;
+		tty_putcode_i(tty, TTYC_SETULC1, c & ~COLOUR_FLAG_256);
 		return;
+	}
 
 	/*
 	 * Setulc and setal follows the ncurses(3) one argument "direct colour"
@@ -2841,10 +3067,10 @@ tty_colours_us(struct tty *tty, const struct grid_cell *gc)
 	 * non-RGB version may be wrong.
 	 */
 	if (tty_term_has(tty->term, TTYC_SETULC))
-		tty_putcode1(tty, TTYC_SETULC, c);
+		tty_putcode_i(tty, TTYC_SETULC, c);
 	else if (tty_term_has(tty->term, TTYC_SETAL) &&
 	    tty_term_has(tty->term, TTYC_RGB))
-		tty_putcode1(tty, TTYC_SETAL, c);
+		tty_putcode_i(tty, TTYC_SETAL, c);
 
 save:
 	/* Save the new values in the terminal current cell. */
@@ -2858,18 +3084,18 @@ tty_try_colour(struct tty *tty, int colour, const char *type)
 
 	if (colour & COLOUR_FLAG_256) {
 		if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
-			tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
+			tty_putcode_i(tty, TTYC_SETAF, colour & 0xff);
 		else if (tty_term_has(tty->term, TTYC_SETAB))
-			tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
+			tty_putcode_i(tty, TTYC_SETAB, colour & 0xff);
 		return (0);
 	}
 
 	if (colour & COLOUR_FLAG_RGB) {
 		colour_split_rgb(colour & 0xffffff, &r, &g, &b);
 		if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
-			tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
+			tty_putcode_iii(tty, TTYC_SETRGBF, r, g, b);
 		else if (tty_term_has(tty->term, TTYC_SETRGBB))
-			tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
+			tty_putcode_iii(tty, TTYC_SETRGBB, r, g, b);
 		return (0);
 	}
 
@@ -2923,13 +3149,13 @@ tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
 
 static void
 tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
-    struct colour_palette *palette, u_int bg)
+    struct colour_palette *palette, u_int bg, struct hyperlinks *hl)
 {
 	struct grid_cell	gc;
 
 	memcpy(&gc, &grid_default_cell, sizeof gc);
 	gc.bg = bg;
-	tty_attributes(tty, &gc, defaults, palette);
+	tty_attributes(tty, &gc, defaults, palette, hl);
 }
 
 static void
@@ -2953,7 +3179,7 @@ tty_clipboard_query(struct tty *tty)
 
 	if ((~tty->flags & TTY_STARTED) || (tty->flags & TTY_OSC52QUERY))
 		return;
-	tty_putcode_ptr2(tty, TTYC_MS, "", "?");
+	tty_putcode_ss(tty, TTYC_MS, "", "?");
 
 	tty->flags |= TTY_OSC52QUERY;
 	evtimer_set(&tty->clipboard_timer, tty_clipboard_query_callback, tty);