It looks better if menus have a bit of an inset, rather than be drawn hard
up against the background. Also, menu items look better if they have a bit
of spacing between them.

Add theme options for these and implement the required changes.

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

 arch/sandbox/dts/test.dts |  2 ++
 boot/expo.c               |  2 ++
 boot/scene.c              |  6 ++++--
 boot/scene_menu.c         | 37 ++++++++++++++++++++++++-------------
 doc/develop/expo.rst      |  6 ++++++
 5 files changed, 38 insertions(+), 15 deletions(-)

diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index ff9f9222e6f9..38d5739421f6 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -96,6 +96,8 @@
 
                theme {
                        font-size = <30>;
+                       menu-inset = <3>;
+                       menuitem-gap-y = <1>;
                };
 
                /*
diff --git a/boot/expo.c b/boot/expo.c
index e99555163ca4..8c6fbc0e30bc 100644
--- a/boot/expo.c
+++ b/boot/expo.c
@@ -254,6 +254,8 @@ int expo_apply_theme(struct expo *exp, ofnode node)
 
        memset(theme, '\0', sizeof(struct expo_theme));
        ofnode_read_u32(node, "font-size", &theme->font_size);
+       ofnode_read_u32(node, "menu-inset", &theme->menu_inset);
+       ofnode_read_u32(node, "menuitem-gap-y", &theme->menuitem_gap_y);
 
        list_for_each_entry(scn, &exp->scene_head, sibling) {
                ret = scene_apply_theme(scn, theme);
diff --git a/boot/scene.c b/boot/scene.c
index ea94b90584ee..6fbc1fc578c2 100644
--- a/boot/scene.c
+++ b/boot/scene.c
@@ -309,6 +309,7 @@ static int scene_obj_render(struct scene_obj *obj, bool 
text_mode)
 {
        struct scene *scn = obj->scene;
        struct expo *exp = scn->expo;
+       const struct expo_theme *theme = &exp->theme;
        struct udevice *dev = exp->display;
        struct udevice *cons = text_mode ? NULL : exp->cons;
        int x, y, ret;
@@ -363,8 +364,9 @@ static int scene_obj_render(struct scene_obj *obj, bool 
text_mode)
                        vid_priv = dev_get_uclass_priv(dev);
                        if (obj->flags & SCENEOF_POINT) {
                                vidconsole_push_colour(cons, fore, back, &old);
-                               video_fill_part(dev, x, y,
-                                               x + obj->dim.w, y + obj->dim.h,
+                               video_fill_part(dev, x - theme->menu_inset, y,
+                                               x + obj->dim.w,
+                                               y + obj->dim.h,
                                                vid_priv->colour_bg);
                        }
                        vidconsole_set_cursor_pos(cons, x, y);
diff --git a/boot/scene_menu.c b/boot/scene_menu.c
index dfe5692d6ce7..8a355f838cc8 100644
--- a/boot/scene_menu.c
+++ b/boot/scene_menu.c
@@ -98,7 +98,7 @@ static void menu_point_to_item(struct scene_obj_menu *menu, 
uint item_id)
        update_pointers(menu, item_id, true);
 }
 
-static int scene_bbox_union(struct scene *scn, uint id,
+static int scene_bbox_union(struct scene *scn, uint id, int inset,
                            struct vidconsole_bbox *bbox)
 {
        struct scene_obj *obj;
@@ -109,14 +109,14 @@ static int scene_bbox_union(struct scene *scn, uint id,
        if (!obj)
                return log_msg_ret("obj", -ENOENT);
        if (bbox->valid) {
-               bbox->x0 = min(bbox->x0, obj->dim.x);
+               bbox->x0 = min(bbox->x0, obj->dim.x - inset);
                bbox->y0 = min(bbox->y0, obj->dim.y);
-               bbox->x1 = max(bbox->x1, obj->dim.x + obj->dim.w);
+               bbox->x1 = max(bbox->x1, obj->dim.x + obj->dim.w + inset);
                bbox->y1 = max(bbox->y1, obj->dim.y + obj->dim.h);
        } else {
-               bbox->x0 = obj->dim.x;
+               bbox->x0 = obj->dim.x - inset;
                bbox->y0 = obj->dim.y;
-               bbox->x1 = obj->dim.x + obj->dim.w;
+               bbox->x1 = obj->dim.x + obj->dim.w + inset;
                bbox->y1 = obj->dim.y + obj->dim.h;
                bbox->valid = true;
        }
@@ -135,22 +135,31 @@ static void scene_menu_calc_bbox(struct scene_obj_menu 
*menu,
                                 struct vidconsole_bbox *bbox,
                                 struct vidconsole_bbox *label_bbox)
 {
+       const struct expo_theme *theme = &menu->obj.scene->expo->theme;
        const struct scene_menitem *item;
 
        bbox->valid = false;
-       scene_bbox_union(menu->obj.scene, menu->title_id, bbox);
+       scene_bbox_union(menu->obj.scene, menu->title_id, 0, bbox);
 
        label_bbox->valid = false;
 
        list_for_each_entry(item, &menu->item_head, sibling) {
-               scene_bbox_union(menu->obj.scene, item->label_id, bbox);
-               scene_bbox_union(menu->obj.scene, item->key_id, bbox);
-               scene_bbox_union(menu->obj.scene, item->desc_id, bbox);
-               scene_bbox_union(menu->obj.scene, item->preview_id, bbox);
+               scene_bbox_union(menu->obj.scene, item->label_id,
+                                theme->menu_inset, bbox);
+               scene_bbox_union(menu->obj.scene, item->key_id, 0, bbox);
+               scene_bbox_union(menu->obj.scene, item->desc_id, 0, bbox);
+               scene_bbox_union(menu->obj.scene, item->preview_id, 0, bbox);
 
                /* Get the bounding box of all labels */
-               scene_bbox_union(menu->obj.scene, item->label_id, label_bbox);
+               scene_bbox_union(menu->obj.scene, item->label_id,
+                                theme->menu_inset, label_bbox);
        }
+
+       /*
+        * subtract the final menuitem's gap to keep the insert the same top
+        * and bottom
+        */
+       label_bbox->y1 -= theme->menuitem_gap_y;
 }
 
 int scene_menu_calc_dims(struct scene_obj_menu *menu)
@@ -182,6 +191,7 @@ int scene_menu_arrange(struct scene *scn, struct 
scene_obj_menu *menu)
        const bool open = menu->obj.flags & SCENEOF_OPEN;
        struct expo *exp = scn->expo;
        const bool stack = exp->popup;
+       const struct expo_theme *theme = &exp->theme;
        struct scene_menitem *item;
        uint sel_id;
        int x, y;
@@ -233,7 +243,8 @@ int scene_menu_arrange(struct scene *scn, struct 
scene_obj_menu *menu)
                 * Put the label on the left, then leave a space for the
                 * pointer, then the key and the description
                 */
-               ret = scene_obj_set_pos(scn, item->label_id, x, y);
+               ret = scene_obj_set_pos(scn, item->label_id,
+                                       x + theme->menu_inset, y);
                if (ret < 0)
                        return log_msg_ret("nam", ret);
                scene_obj_set_hide(scn, item->label_id,
@@ -269,7 +280,7 @@ int scene_menu_arrange(struct scene *scn, struct 
scene_obj_menu *menu)
                }
 
                if (!stack || open)
-                       y += height;
+                       y += height + theme->menuitem_gap_y;
        }
 
        if (sel_id)
diff --git a/doc/develop/expo.rst b/doc/develop/expo.rst
index 80e435c5e65e..bd593dc2b3f5 100644
--- a/doc/develop/expo.rst
+++ b/doc/develop/expo.rst
@@ -162,6 +162,12 @@ properties:
 font-size
     Font size to use for all text (type: u32)
 
+menu-inset
+    Number of pixels to inset the menu on the sides and top (type: u32)
+
+menuitem-gap-y
+    Number of pixels between menu items
+
 
 API documentation
 -----------------
-- 
2.41.0.rc0.172.g3f132b7071-goog

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