Ok I figured out why BookMorph wasn't switching pages: I had wrapped the
BookMorph in a SystemWindow, and the drop was going into the
SystemWindow's submorphs (not into the BookMorph).

The icons are still garbled, though.

On Wed, Jan 5, 2022 at 7:46 PM David O'Toole <deeteeoh1138 at gmail.com> wrote:

> Perhaps BookMorph would be better, however 1. the icons are
> similarly garbled, with some displaying a tiny pixel cat/mouse face; and,
> 2. dropping a morph into the BookMorph works, and it drags around but it
> doesn't disappear or reappear when switching pages.
>
> On Wed, Jan 5, 2022 at 7:33 PM David O'Toole <deeteeoh1138 at gmail.com>
> wrote:
>
>> Hi! I'm trying to make a simple presentation using a StackMorph to hold
>> the pages, but there are some issues.
>>
>> 1. Funny characters are displayed instead of button icons at the top of
>> the morph.
>> 2. I get errors relayed to Player subclasses when attempting to create a
>> new page.
>>
>> Attempting to do the following:
>>
>> Player removeUninstantiatedSubclassesSilently
>> Player playersWithUnnecessarySubclasses
>> Player freeUnreferencedSubclasses
>> Player abandonUnnecessaryUniclasses
>>
>> ...resulted in the same errors after trying the StackMorph again, this
>> time with an incremented Player78 instead of Player77 class.
>>
>> I've attached the stack report below. I would greatly appreciate any help
>> you can offer. Maybe StackMorph is not the right thing to be using?
>> Although it seems like it will be nice, if I can get past these issues.
>>
>
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