drawBackground

pub fn drawBackground(self: *MenuItemWidget) void {
    var focused: bool = self.data().id == dvui.focusedWidgetId();

    if (self.data().id == dvui.focusedWidgetIdInCurrentSubwindow()) {
        menu().?.focused_menuItem_this_frame = true;
    }

    if (focused and menu().?.mouse_over and !self.mouse_over and (menu().?.submenus_activated or menu().?.floating())) {
        // our menu got a mouse over but we didn't even though we were focused
        focused = false;
        dvui.focusWidget(menu().?.group.data().id, null, null);
    }

    if (focused or ((self.data().id == dvui.focusedWidgetIdInCurrentSubwindow()) and self.highlight)) {
        if (!self.init_opts.submenu or !menu().?.submenus_activated) {
            if (!self.init_opts.highlight_only) {
                if (self.init_opts.focus_as_outline) {
                    self.show_active = true;
                } else if (menu().?.mouse_mode and !menu().?.mouse_over) {
                    // following mouse but it's outside the menu
                } else {
                    self.show_active = true;
                }
            }
        }
    }

    if (self.data().visible()) {
        const cols = self.style();
        const rs = self.data().backgroundRectScale();
        const cr = self.data().options.cornersGet().scale(rs.s, CornerRect.Physical);
        if (self.show_active) {
            if (self.init_opts.focus_as_outline) {
                self.data().focusBorder();
                if (self.highlight) {
                    rs.r.fill(cr, .{ .color = cols.color(.fill), .fade = 1.0 });
                }
            } else {
                rs.r.fill(cr, .{ .color = cols.color(.fill), .fade = 1.0 });
            }
        } else if ((self.data().id == dvui.focusedWidgetIdInCurrentSubwindow()) or self.highlight) {
            rs.r.fill(cr, .{ .color = cols.color(.fill), .fade = 1.0 });
        } else if (self.data().options.backgroundGet()) {
            rs.r.fill(cr, .{ .color = cols.color(.fill), .fade = 1.0 });
        }
    }
}