Support OSC 10 and 11 to set foreground and background colours, from

"bertnp" in GitHub issue 942.

1 files changed, 46 insertions, 2 deletions

diff --git a/input.c b/input.c
index a6dd0fea..ba97baec 100644
--- a/input.c
+++ b/input.c
@@ -110,6 +110,8 @@ static void	input_set_state(struct window_pane *,
 static void	input_reset_cell(struct input_ctx *);
 
 static void	input_osc_4(struct window_pane *, const char *);
+static void	input_osc_10(struct window_pane *, const char *);
+static void	input_osc_11(struct window_pane *, const char *);
 static void	input_osc_52(struct window_pane *, const char *);
 static void	input_osc_104(struct window_pane *, const char *);
 
@@ -1900,13 +1902,19 @@ input_exit_osc(struct input_ctx *ictx)
 	case 4:
 		input_osc_4(ictx->wp, p);
 		break;
-	case 52:
-		input_osc_52(ictx->wp, p);
+	case 10:
+		input_osc_10(ictx->wp, p);
+		break;
+	case 11:
+		input_osc_11(ictx->wp, p);
 		break;
 	case 12:
 		if (*p != '?') /* ? is colour request */
 			screen_set_cursor_colour(ictx->ctx.s, p);
 		break;
+	case 52:
+		input_osc_52(ictx->wp, p);
+		break;
 	case 104:
 		input_osc_104(ictx->wp, p);
 		break;
@@ -2052,6 +2060,42 @@ bad:
 	free(copy);
 }
 
+/* Handle the OSC 10 sequence for setting background colour. */
+static void
+input_osc_10(struct window_pane *wp, const char *p)
+{
+	u_int	 r, g, b;
+
+	if (sscanf(p, "rgb:%2x/%2x/%2x", &r, &g, &b) != 3)
+	    goto bad;
+
+	wp->colgc.fg = colour_join_rgb(r, g, b);
+	wp->flags |= PANE_REDRAW;
+
+	return;
+
+bad:
+	log_debug("bad OSC 10: %s", p);
+}
+
+/* Handle the OSC 11 sequence for setting background colour. */
+static void
+input_osc_11(struct window_pane *wp, const char *p)
+{
+	u_int	 r, g, b;
+
+	if (sscanf(p, "rgb:%2x/%2x/%2x", &r, &g, &b) != 3)
+	    goto bad;
+
+	wp->colgc.bg = colour_join_rgb(r, g, b);
+	wp->flags |= PANE_REDRAW;
+
+	return;
+
+bad:
+	log_debug("bad OSC 11: %s", p);
+}
+
 /* Handle the OSC 52 sequence for setting the clipboard. */
 static void
 input_osc_52(struct window_pane *wp, const char *p)