ID 307854 - Deselecting Scene graph items with Ctrl+LMB will deselect parented items first

Problem summary

Deselecting a list of objects in the Katana 'Scene Graph' appears to function incorrectly.

When using Ctrl+LMB to deselect a list of items, The parent items are deselected first.

Here is an example of the problem below: (Left side = Katana2.5v5 | Right side = Katana2.6v3)

Customer reported version

Katana2.6v3

Customer reported platform

N/A

Steps to reproduce

1: Open a project containing multiple items as shown in the above images

2: Open your 'Scene Graph' tab and expand the 'root' folder by double-clicking it

3: Select your list of items with Ctrl+LMB

4: Deselect your list of items with Ctrl_LMB

Result: Parented items & folders are deselected before the item which the mouse pointer is covering.

Workaround

Use Ctrl+LMB to select only the objects you would like to highlight, instead of selecting the whole list & then deselecting parts.

Reproduced by support

Katana2.6v3 - Windows 7 - CentOS6.9

Katana2.6v1 - Windows 7 - CentOS6.9

Works correctly:

Katana2.5v7 - Windows 7 - CentOS6.9

Katana2.5v5 - Windows 7 - CentOS6.9

Katana2.5v1 - Windows 7 - CentOS6.9

Expected behaviour

The only items which should be deselected are the items under the mouse pointer (Refer to the Katana2.5v5 example above)

Actual behaviour

Parented items are deselected first when deselecting any item (Refer to the Katana2.6v3 example above)

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