bootstd: Support setting a theme for the menu

Allow a theme to be set. For now this is very simple, just a default font
size to use for all elements.

Signed-off-by: Simon Glass <sjg@chromium.org>

2 files changed, 45 insertions, 0 deletions

diff --git a/boot/bootflow_menu.c b/boot/bootflow_menu.c
index 1105783afe..7f06dac0af 100644
--- a/boot/bootflow_menu.c
+++ b/boot/bootflow_menu.c
@@ -129,6 +129,43 @@ int bootflow_menu_new(struct expo **expp)
 	return 0;
 }
 
+int bootflow_menu_apply_theme(struct expo *exp, ofnode node)
+{
+	struct menu_priv *priv = exp->priv;
+	struct scene *scn;
+	u32 font_size;
+	int ret;
+
+	log_debug("Applying theme %s\n", ofnode_get_name(node));
+	scn = expo_lookup_scene_id(exp, MAIN);
+	if (!scn)
+		return log_msg_ret("scn", -ENOENT);
+
+	/* Avoid error-checking optional items */
+	if (!ofnode_read_u32(node, "font-size", &font_size)) {
+		int i;
+
+		log_debug("font size %d\n", font_size);
+		scene_txt_set_font(scn, OBJ_PROMPT, NULL, font_size);
+		scene_txt_set_font(scn, OBJ_POINTER, NULL, font_size);
+		for (i = 0; i < priv->num_bootflows; i++) {
+			ret = scene_txt_set_font(scn, ITEM_DESC + i, NULL,
+						 font_size);
+			if (ret)
+				return log_msg_ret("des", ret);
+			scene_txt_set_font(scn, ITEM_KEY + i, NULL, font_size);
+			scene_txt_set_font(scn, ITEM_LABEL + i, NULL,
+					   font_size);
+		}
+	}
+
+	ret = scene_arrange(scn);
+	if (ret)
+		return log_msg_ret("arr", ret);
+
+	return 0;
+}
+
 int bootflow_menu_run(struct bootstd_priv *std, bool text_mode,
 		      struct bootflow **bflowp)
 {
@@ -149,6 +186,12 @@ int bootflow_menu_run(struct bootstd_priv *std, bool text_mode,
 	if (ret)
 		return log_msg_ret("exp", ret);
 
+	if (ofnode_valid(std->theme)) {
+		ret = bootflow_menu_apply_theme(exp, std->theme);
+		if (ret)
+			return log_msg_ret("thm", ret);
+	}
+
 	/* For now we only support a video console */
 	ret = uclass_first_device_err(UCLASS_VIDEO, &dev);
 	if (ret)
diff --git a/boot/bootstd-uclass.c b/boot/bootstd-uclass.c
index 565c22a36e..7887acdc11 100644
--- a/boot/bootstd-uclass.c
+++ b/boot/bootstd-uclass.c
@@ -33,6 +33,8 @@ static int bootstd_of_to_plat(struct udevice *dev)
 					   &priv->prefixes);
 		dev_read_string_list(dev, "bootdev-order",
 				     &priv->bootdev_order);
+
+		priv->theme = ofnode_find_subnode(dev_ofnode(dev), "theme");
 	}
 
 	return 0;