mod: cleanup TODO and outdated comments

src/element.zig

@@ -228,11 +228,16 @@ pub fn Scrollable(Model: type, Event: type) type {
         configuration: Configuration,
 
         pub const Configuration = packed struct {
-            // TODO the scrollbar bool and the color should be in their own struct using `enabled` and `color` inside of the struct to be more consistent with other `Configuration` structs
             scrollbar: bool,
+            /// Primary color to be used for the scrollbar (and background if enabled)
             color: Color = .default,
+            /// With a backgroud the `color` rendered with emphasis `.dim`
+            /// will be used to highlight the scrollbar from the background;
+            /// otherwise nothing is shown for the background
             show_background: bool = false,
+            /// should the scrollbar be shown for the x-axis (horizontal)
             x_axis: bool = false,
+            /// should the scrollbar be shown for the y-axis (vertical)
             y_axis: bool = false,
 
             pub const disabled: @This() = .{ .scrollbar = false };
@@ -671,6 +676,7 @@ pub fn Button(Model: type, Event: type, Queue: type) fn (meta.FieldEnum(Event))
         pub fn button_fn(accept_event: meta.FieldEnum(Event)) type {
             { // check for type correctness and the associated type to use for the passed `accept_event`
                 const err_msg = "Unexpected type for the associated input completion event to trigger. Only `void` is allowed.";
+                // TODO supported nested tagged unions to be also be used for triggering if the enum is then still of `void`type!
                 switch (@typeInfo(@FieldType(Event, @tagName(accept_event)))) {
                     .void => |_| {},
                     else => @compileError(err_msg),