318615 - Click and drag on empty portion of DIV - events don't fire

Status: UNCONFIRMED

(Core :: DOM: Events, defect, P5)

Description

[Ben Kamens]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8) Gecko/20051111 Firefox/1.5
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8) Gecko/20051111 Firefox/1.5

Repro:

1) Create a div w/ specified width which is only half filled with content (text).
2) Click on the content-filled portion of div and drag over a different element which receives onmouseover events (as if you are selecting a lot of text)
3) Click on the empty (non-content-filled) portion of the div and drag over the element which receives onmouseover events

Observed
...2) The onmouseover event fires, as expected, when mousing over the element during drag
...3) The onmouseover event does NOT fire.

Expected

onmouseover event fires for both empty and non-empty div click'n'drags.

Reproducible: Always

Steps to Reproduce:
1) Create a div w/ specified width which is only half filled with content (text).
2) Click on the content-filled portion of div and drag over a different element which receives onmouseover events (as if you are selecting a lot of text)
3) Click on the empty (non-content-filled) portion of the div and drag over the element which receives onmouseover events
Actual Results:  
Observed
...2) The onmouseover event fires, as expected, when mousing over the element during drag
...3) The onmouseover event does NOT fire.

Expected Results:  
Expected

onmouseover event fires for both empty and non-empty div click'n'drags.

This is new to Firefox 1.5...didn't happen in 1.0.7

Comment 1

[José Jeria]

Please attach a minimized testcase showing this issue:
https://bugzilla.mozilla.org/attachment.cgi?bugid=318615&action=enter

Comment 2

[Dawid Zamirski]

(In reply to comment #1)
> Please attach a minimized testcase showing this issue:
> https://bugzilla.mozilla.org/attachment.cgi?bugid=318615&action=enter
> 

Please take a look at #346860 as they seem to be tightly related.

Comment 3

[Firefox Bug Husbandry Bot]

https://bugzilla.mozilla.org/show_bug.cgi?id=1472046

Move all DOM bugs that haven’t been updated in more than 3 years and has no one currently assigned to P5.

If you have questions, please contact :mdaly.