I'm still having the issue with buildpics being darkened seemingly at random. It most often affects the rightmost two or three buildpics on the first and last rows.
You might be able to trigger it by:
/cheat
/give all
then select all and cycle through the build menus a few times.
This happens in single player, I haven't tested in multiplayer yet. The units are still clickable/buildable. I'm wondering if it could possibly be an engine bug rather than a widget bug...

- bug.jpg (11.84 KiB) Viewed 2867 times
I'm using basically 100% unmodified code. All I've changed is screen positioning, sizing, and number of x/y rows. The framework files are untouched.
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edit: I've now confirmed the bug happens just as easily with completely unmodified code, so you should be able to duplicate it.
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edit 2: Unrelated fun fact: setting ordermenu iy to 2 breaks hover/selection overlays. But not on the order menu! On the build menu!
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edit 3: Tested it with BA, no problem there. A widget conflict maybe?
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edit 4: Disabled all other widgets, but the problem remains. There's actually something IN AA that's somehow causing problems... since there's nothing really nonstandard or unusual yet and the problem does not only affect specific units (just units that happen to be listed in specific locations), I'm thinking it's an engine bug... I'll try to figure out the cause. Tomorrow....