[Gtk-sharp-list] Problem with drag and drop in a reorderable TreeView

[David Cantin]

Hi 

I want a TreeView to be always ordered and also allow the user to move
rows from a "folder" to an other.

The problem is : 

	- If I set a TreeSortable.DefaultSortFunc, it seem that the TreeView is
not accepting drop's anymore.

Are TreeSortable.DefaultSortFunc and TreeView.Reorderable attribute
incompatible ?

I have attached an example that show what I'm trying to do.

### use case 1 with the two lines commented (see attached the file): 

	1) With the mouse, drag and drop the row named "Item 4" directly (not
just before or just after) on "Group 2"

Expected results :

	- The row "Item 4" is now under "Group 2" and correctly ordered between
"Item 1" and "Item 5"

Actual result : 

	- The row "Item 4" is now the top most row in "Group 2"


### use case with the two lines uncommented (see attached the file): 

	1) With the mouse, drag and drop the row named "Item 4" directly (not
just before or just after) on "Group 2"

Expected results :

	- The row "Item 4" is now under "Group 2" and correctly ordered between
"Item 1" and "Item 5"

Actual result : 

	- The drop seem to be refused the dragged row stay at the original
position in "Group 1"




David
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