[TYPO3-core] RFC: Bug 6104: IRRE - IE7: Strange behaviour with hover event of nested Tabs/IRRE-levels with relative positioned HTML elements

Oliver Hader oh at inpublica.de
Fri Aug 10 10:06:18 CEST 2007

This is a SVN patch request.

It is not easy to describe the bug in detail. Imagine a situation with
several IRRE elements and Tabs, nested again and again in IRRE elements
and Tabs and buliding a multi-dimensional structure in on TCEforms view.
Furthermore you have to use the Microsoft Internet Explorer 6 or 7. When
moving the mouse cursor over a tab menu or an input field and any other
field that has a :hover defined in CSS, some of the IRRE sub-elements
disappeared an re-appeared after some seconds.
Have a look to the screenshots at the bug report in the bugtracker to
see, what was going on.

I searched in many lists and blogs for a solution and it seems this is a
IE bug concerning elements that are positioned relatively and is
triggered on mouseOver-/mouseOut- or hover-events.
The solution is, to define the elements that disappeared with the CSS
property "display: inline-block;".

Since this is a bug related to IRRE and the patch only changes the
behaviour or IRRE parts of the Core, I'm going to commit in one week if
nobody objects.

Bugtracker reference:

Branch: TYPO3_4-1 & Trunk

Oliver Hader
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