170045 - Resizing a xul:tree (e.g. sidebar) scrolls to selected item

Status: RESOLVED DUPLICATE of bug 454632

(Core :: XUL, defect)

Description

[imran.geriskovan]

20020916
Resizing sidebar causes bookmarks pane to scroll to top.

Comment 1

[Chris Lyon]

Imran, please read the bug reporting guidelines 
(http://www.mozilla.org/quality/bug-writing-guidelines.html) before logging 
bugs.  We need steps to reproduce as well as expected behaviour.

Comment 2

[imran.geriskovan]

I thought it was self explanatory...
Anyway.. Here is the exact procedures to regenerate it:

1- Have bookmarks tab visible on sidebar.
2- Expand some folders so that there is some invisible items out of the visible
range.
3- Scroll down to some point so that there is invisible items at the top.
4- Resize sidebar.
5- See bookmarks tab scrolling to top automatically.

Is this ok?

Comment 3

[Chris Lyon]

Thanks Imran

This also occurs on the History tab
->Sidebar

Comment 4

[Michael Lefevre]

reporter (Imran): can you reproduce this bug with a recent build of mozilla (for
example, 1.2)? if so, please comment again with details. if not, please resolve
this bug as WORKSFORME. thanks.

Comment 5

[imran.geriskovan]

It is still the case for 20021108.

Comment 6

[imran.geriskovan]

and for 20021126

Comment 7

[imran.geriskovan]

Errr...
Now its behaviour is somewhat different.
It scrolls so that the selected folder/bookmark is positioned to top.

Comment 8

[Chris Lyon]

Imran, is it now behaving the way you expect? 

Comment 9

[imran.geriskovan]

20021209

Well if the selected (highlighted) folder is in visible range, it's fine.
However if it is outside the visible range, a "resize" again scrolls the sidebar.

Let me summarize my request:
The bookmarks should stay still whatever the action is. (ie sidebar resizing, etc..)

Comment 10

[Rudy Moore]

This is more extensive than just resizing the sidebar.  If you have a large
number of bookmarks, scroll to the bottom of them.  

1. If you resize the window, the scroll bar is reset to the top.
2. If you close the window (with F9 or View->Show->Sidebar) and then reopen it,
the scroll bar is reset to teh top.

Previous versions (I was previously on 1.2.1) did not do this.

I don't quite understand the "Version" tab above.  But I'm currently running
Mozilla 1.4 and have observed this.

Comment 11

[Jason M. Abels]

Update summary because it (at least now) scrolls to the selected bookmark. So if
you haven't selected any yet, this is the first one.

I can reproduce this, and it's annoying if you have a buch of bookmarks.

Comment 12

[Nickolay_Ponomarev]

This is actually a wider problem with a <xul:tree> element used to display
bookmarks and history. I'll attach a testcase in a moment.

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b2) Gecko/20050319
Firefox/1.0+

->Trees

Comment 13

[Nickolay_Ponomarev]

Attachment: testcase

Comment 14

[Nickolay_Ponomarev]

*** Bug 278099 has been marked as a duplicate of this bug. ***

Comment 15

[MattMc3]

Still broken for Firefox 1.5 RC3 on Windows XP.  Reproducable - always.  When the sidebar scroll resets, it only resets to the top as previously reported if nothing has focus in the sidebar.  However, if a bookmark link was already clicked, then the scoll finds the last link that had focus in the sidebar.  Any resize action will mess up the scroll - the maximize button as well as border grippies.  Highly annoying for anyone who leaves the bookmarks sidebar open and needs to widen it to see long text.

Comment 19

[Matthew Turnbull [Bluefang]]

Just making note that I am also seeing this scrolling behavior in Linux, so this is not a  Windows-only bug.

Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1a1pre) Gecko/2008070202 Minefield/3.1a1pre Firefox/3.0 ID:2008070202