574739 - changing system theme/screen resolution and/or previewing personas causes tabs-on-top to switch to tabs-on-bottom

Status: RESOLVED DUPLICATE of bug 555987

(Core :: CSS Parsing and Computation, defect)

Description

[[not reading bugmail]]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.3a6pre) Gecko/20100623 Minefield/3.7a6pre Firefox/3.6.4
Build Identifier: 

Tabs position breaks when adding a persona.



Reproducible: Always

Steps to Reproduce:
Steps to Reproduce:
1.Using latest nightly
2.use default theme
3.Open Get Personas
4.Preview Lw theme.
Actual Results:  
Tabs get moved to bottom.

Expected Results:  
Tabs should have stayed on top.


The problem is "fixed" if you check/uncheck the tabs-on-top option twice. This
looks like a regression from bug 571992.

Last working changeset:
Thu Jun 24 09:34:21 2010 -0700
http://hg.mozilla.org/mozilla-central/rev/5edea2cbbcb0

Comment 1

[[not reading bugmail]]

Ignore my build id here as the bug would have been seen after the changeset occurred.

Comment 2

[[not reading bugmail]]

It looks like the gradient is also gone.

Comment 3

[Matheus Kerschbaum]

duplicate from https://bugzilla.mozilla.org/show_bug.cgi?id=574593 ?
(although your issue is different, this is a regression from https://bugzilla.mozilla.org/show_bug.cgi?id=571992 so they are most likely caused by the same patch).

Comment 4

[[not reading bugmail]]

Attachment: Tabs moved to bottom after going after previewing a persona

I filed it because this was personas, I almost commented on the other bug.. but just wanted to make sure I guess if the underlining code was different, to have it separate.

This is what I see after bug 513162 landed after the switch to tab bug.

Comment 5

[[not reading bugmail]]

Note I didn't apply a persona, I just previewed it.

Comment 6

[Dão Gottwald [:dao]]

probably another -moz-box-ordinal-group bug

Comment 9

[[not reading bugmail]]

I guess this also happens when switching personas in the addon manager if you have tabs on top, it goes to the bottom.

Comment 10

[[not reading bugmail]]

System theme changes between Aero themes and non-Aero themes with having tabs on top setup properly, will cause tabs on top to switch.  

However, it does not occur changing from one system Aero theme to another.

Comment 11

[Bill Gianopoulos [:WG9s]]

This seems to be Aero theme only.  I can not reproduce this under Windows/XP.

Comment 12

[Mike Beltzner [:beltzner, not reading bugmail]]

Dao, patch incoming?

Comment 13

[Mike Beltzner [:beltzner, not reading bugmail]]

Oh, this is deeper than just CSS styling, it's something in the core. CC'ing some relevant folks who might be able to help.

This is a pretty visible bug on trunk these days, and blocking the first beta.

Comment 14

[David Baron :dbaron: (⌚️UTC-4, no longer working on Mozilla)]

Should the discussion of the core bug stay in bug 555987, or is this somehow different?  (Does one of the Neils know the relevant bits of nsBoxFrame?)

Comment 15

[Mike Beltzner [:beltzner, not reading bugmail]]

If this is the same, it can happen in bug 555987, I suppose. Do we expect the fix there will resolve this one, as well?

Comment 17

[Boris Zbarsky [:bzbarsky]]

This worksforme on Linux.  Is this Windows-only?

Comment 18

[Josh Tumath]

(In reply to comment #17)
It is, yes.

Comment 19

[:Gavin Sharp [email: [e-mail]]]

The patch in bug 555987 fixes this.

Comment 20

[Mike Beltzner [:beltzner, not reading bugmail]]

Gonna dupe this off to 555987, undupe if it wasn't fixed.