248120 - Dropdown menus increase in width indefinitiely on mouse over

Status: UNCONFIRMED

(Core :: Layout: Form Controls, defect)

Description

[Nick C]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040608 Firefox/0.8.0+
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040608 Firefox/0.8.0+

When using javascript to dynamically hide or show a layer, the dropdown menus of
a given page increase in width until they take up the whole width of the page.

This occurs in seemingly specific combinations of javascript and CSS (from what
i managed to isolate anyways). See attachement with commented source.

Reproducible: Always
Steps to Reproduce:
1. In example attachement, run mous over "+" and "-" buttons repeatedly
2.
3.

Actual Results:  
the dropdown menu in the page increased in width until it takes up the whole
width of the page.

Expected Results:  
not have changed the dropdown's width

Comment 1

[Nick C]

Attachment: Test case

This verifies the behaviour described in the bug report

Comment 2

[Nick C]

contrarily to what is written in the test case page, this bug actually affects
both dropdowns on the bottom row of the layout.

Comment 3

[Boris Zbarsky [:bzbarsky]]

Looks like a dup of the <select> MEW bug...

Comment 4

[Jason Barnabe (np)]

This WFM on Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.3)
Gecko/20040925 Firefox/0.10.

Comment 5

[Andrew Schultz]

dupe of bug 139152?

Comment 6

[Nick C]

Mozilla/5.0 (Windows; U; Windows NT 5.1; rv:1.7.3) Gecko/20040913 Firefox/0.10

still doesn't work with this build - run your mouse first over the "+" button
several times, then over the "-" button several times, and you will notive the
first dropdown on the second line has actually extended in width beneath the
dropdown to its right. Keep on rolling over and out of the "-" button and the
dropdown soon causes the page to extend beyond the browser frame...

Comment 7

[Steve England [:stevee]]

Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8b2) Gecko/20050419
Firefox/1.0+
Repeated hovering over the + and - result in no obvious problems for me. Nothing
changes size.
Resolved WFM?

Comment 8

[Bernd]

Attachment: screenshot

the bug is still present with seamonkey 2005041905

Comment 9

[Gervase Markham [:gerv]]

This is an automated message, with ID "auto-resolve01".

This bug has had no comments for a long time. Statistically, we have found that
bug reports that have not been confirmed by a second user after three months are
highly unlikely to be the source of a fix to the code.

While your input is very important to us, our resources are limited and so we
are asking for your help in focussing our efforts. If you can still reproduce
this problem in the latest version of the product (see below for how to obtain a
copy) or, for feature requests, if it's not present in the latest version and
you still believe we should implement it, please visit the URL of this bug
(given at the top of this mail) and add a comment to that effect, giving more
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If it is not a problem any longer, you need take no action. If this bug is not
changed in any way in the next two weeks, it will be automatically resolved.
Thank you for your help in this matter.

The latest beta releases can be obtained from:
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Thunderbird: http://www.mozilla.org/products/thunderbird/releases/1.5beta1.html
Seamonkey:   http://www.mozilla.org/projects/seamonkey/

Comment 10

[Boris Zbarsky [:bzbarsky]]

Is this still a problem?  I can't reproduce on trunk....