expo: Allow rendering the background of any object
So far only menus have a background. When other object types are
rendered, they may have a background too. Make this code more generic
so it will be usable by new object types.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/boot/scene.c b/boot/scene.c
index e98676b..314dd7c 100644
--- a/boot/scene.c
+++ b/boot/scene.c
@@ -315,6 +315,44 @@
}
/**
+ * scene_render_background() - Render the background for an object
+ *
+ * @obj: Object to render
+ */
+static void scene_render_background(struct scene_obj *obj)
+{
+ struct expo *exp = obj->scene->expo;
+ const struct expo_theme *theme = &exp->theme;
+ struct vidconsole_bbox bbox, label_bbox;
+ struct udevice *dev = exp->display;
+ struct video_priv *vid_priv;
+ struct udevice *cons = exp->cons;
+ struct vidconsole_colour old;
+ enum colour_idx fore, back;
+ uint inset = theme->menu_inset;
+
+ /* draw a background for the object */
+ if (CONFIG_IS_ENABLED(SYS_WHITE_ON_BLACK)) {
+ fore = VID_BLACK;
+ back = VID_WHITE;
+ } else {
+ fore = VID_LIGHT_GRAY;
+ back = VID_BLACK;
+ }
+
+ /* see if this object wants to render a background */
+ if (scene_obj_calc_bbox(obj, &bbox, &label_bbox))
+ return;
+
+ vidconsole_push_colour(cons, fore, back, &old);
+ vid_priv = dev_get_uclass_priv(dev);
+ video_fill_part(dev, label_bbox.x0 - inset, label_bbox.y0 - inset,
+ label_bbox.x1 + inset, label_bbox.y1 + inset,
+ vid_priv->colour_fg);
+ vidconsole_pop_colour(cons, &old);
+}
+
+/**
* scene_obj_render() - Render an object
*
*/
@@ -397,7 +435,7 @@
return -ENOTSUPP;
/* draw a background behind the menu items */
- scene_menu_render(menu);
+ scene_render_background(obj);
}
/*
* With a vidconsole, the text and item pointer are rendered as