[Qt-interest] how to creat a different height editer from it’s item In a QItemDelegate?

[qingqiu fu]

am work on creat a SlippingItemView view by delegate.
The slipping UI like:

--------------------
item1
 ------------------
|item2 editer      |
|(different height)|
 ------------------
item3                 <--this be covered
...
--------------------

QItemDelegate show editer on item clicked , QItemDelegate::paint()
reimplemented to draw the item , QItemDelegate::creatEditer() reimplemented
to show a different height editer.

It is easy to creat a different height editer by reimplemented
QItemDelegate::updateEditorGeometry() , but the item sizehint will not
change . Problem is editer will cover the sibling item (for example: item3).

*Question : Is there any way to update item sizehint to it’s editer , and
resume normal height when editer closed?*
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