187701 - TBODY with 'overflow: auto' does not display scroll bar

Status: RESOLVED DUPLICATE of bug 28800

(Core :: Layout: Tables, defect)

Description

[willem]

User-Agent:       Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.3b) Gecko/20030104
Build Identifier: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.3b) Gecko/20030104

In the page at <http://wilm.nl/project/mozbug/tbody_overflow.html>, there are
thre test cases for a TBODY element (inside table), with 'overflow: auto' set.

If the table cells contain only text, then the scrollbar is not displayed while
it should (BUG).

When there are other elements (like <B>) inside in the table cell, then in some
cases the scrollbar is displayed (OK), but in other cases it isn't (BUG). See url.

Reproducible: Always

Steps to Reproduce:
Visit http://wilm.nl/project/mozbug/tbody_overflow.html and watch in which cases
the scrollbar appears.



Expected Results:  
In all three cases, a scrollbar should be displayed.

Comment 1

[Ruslan Ismailov]

Bold have nothing with this problem. Behaviour is such: if at least 1 cell
contained text with lenght more some value than vertical rule appeared,
otherwise not. So there is bug in checking width instead of height.

You could test it by zooming -- when you zoon, scrool bar appeared.

Comment 2

[Ruslan Ismailov]

Attachment: TBODY height and scrollbar

Same behaviour could be produce with overflow:scroll

Comment 3

[José Jeria]

WFM 2003010408, Win XP

Comment 4

[Boris Zbarsky [:bzbarsky]]

worksforme, linux trunk build 2003-01-03-21 as well...

Comment 5

[Ruslan Ismailov]

Attachment: tables with default zoom

Not work for me on Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3b)
Gecko/20030104. All 4 tables shold have scrollbars -- they are sma height.

Comment 6

[Ruslan Ismailov]

Attachment: Same picture with low zoom -- 3rd table lost scrollbar.

Comment 7

[José Jeria]

So what you mean is that you change the Text size of the browser and the
scrollbar disappears?
Making the text smaller makes the content smaller, therefore the scrollbars
disappear, they only appear when the content height is larger than the height
set on the tbody.

Comment 8

[Ruslan Ismailov]

No, what I try to say, that VERTICAL scrollbar appeared only when HORISONTAL
width of cell's text is bigger that some constant. All 4 tables have same cells,
only difference betwen quontity of letters a inside. This value could not affect
VERTICAL layout, but it does. 

Let me try to made another try:
there is 2 tables:
-----              ---------           ---
! a !              ! a     !            ^
! a !      and     ! aaaaa !            !  Vertical height is same
! a !              ! a     !            V  
-----              ---------           ---

So scrollbar on this tables should appeared simultaneously, but it doe not!

Comment 9

[Bernd]

this might have to do with bug 28800

Comment 10

[Madhur Bhatia]

so would this bug bve depending on bug 28800 ?

 i do see the problem on moz1.4 beta trunk builds on both winXP and linux

Comment 11

[Bernd]

a scrollbar is only drawn when there is enough place for it. The rowgroup doesnt
add the space for the scrollbar to its content width so its drawn inside the
rowgroup.

*** This bug has been marked as a duplicate of 28800 ***