[fixed] Layouting bug in WrapPanel? (1 Viewer)

[morpheus_xx]

While experimenting with the WrapPanel for the new ApolloOne skin, I found out two strange things:

1. I feel the interpretation of "Orientation=Vertical" is wrong: while "Orientation=Horizontal" gives you vertical scrollbars, the "Orientation=Vertical" gives you horizontal scrollbars. This sounds wrong to me, or is this the common behaviour. Does WPF has a WrapPanel and does it act the same way?
   
2. When changing the orientation only, the content is aranged and sized(!) differently, resulting in other "tile" sizes.

"Orientation=Horizontal" (or omitted):

"Orientation=Vertical"

@offbyone, as you worked recently on a virtualized version of WrapPanel, can you confirm this as bug or is it "by design"?

 

[offbyone]

Puh, good question.
I haven't looked at the Orientation, mainly because I expected it to be correct and also no vertical wrappanels were used anywere.
We should check how it is used in WPF to stay conform.

 

[morpheus_xx]

Ok, seems like point 1) is by design (did some googling).

So at least point 2) looks like a bug. Why should the items get another size?

 

[offbyone]

The second layout looks like it is arranging the items alternating on the two possible rows.
But why they are not as wide as in the first variant must be a bug.

 

[morpheus_xx]

I found and fixed the size calculation issue. Change commited to dev.