indentation : int
This property holds indentation of the items in the tree view.
This property holds the indentation measured in pixels of the items for each level in the tree view. For top-level items, the indentation specifies the horizontal distance from the viewport edge to the items in the first column; for child items, it specifies their indentation from their parent items.
By default, this property has a value of 20.
Access functions:
int indentation () const
void setIndentation ( int i )
above information from Qt Assistant. hope it helps :)
