394157 - Cannot move caret to beginning of text if 1st element has -moz-user-select: all

Status: NEW

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

Description

[Bo Yang]

Attachment: The test extension

I use Editor element to compose my own editor in which some text are atoms. In the attachment is a test case extension. In the extension, there is an editor looking like a input box. And in the editor, there are two span element "Item1","Item2". In Firefox2, the cursor can be moved to the most left side of the editor by arrow key. But in Firefox3, the cursor can not. So, I think this is some bugs in the editor element of Gecko. 

The attachment is the test extension. Please install it in both Firefox2 and Firefox3, you will find the difference. Thanks!

Comment 1

[Myk Melez [:myk] [@mykmelez]]

Bo, it would be ideal if you could provide a minimized testcase that didn't require extension installation.  For example, you could provide a XUL document that contained an editor and loaded an example document into the editor (perhaps with a data: URL).

Comment 2

[Daniel Glazman (:glazou) (not active in Mozilla any more)]

Yeah, this is clearly a regression and a bad one.

Comment 3

[Bo Yang]

And please notice that can not move the caret to the beginning of the text is not the only bug. The caret can't move to the beginning of any SPAN node at all. Neither does in Firefox 2. I think this is a bug too.

Comment 4

[Martijn Wargers (dead)]

Attachment: testcase, base on extension

Comment 5

[Martijn Wargers (dead)]

This seems to have regressed between 2006-04-18 and 2006-04-20:
http://bonsai.mozilla.org/cvsquery.cgi?treeid=default&module=all&branch=HEAD&branchtype=match&dir=&file=&filetype=match&who=&whotype=match&sortby=Date&hours=2&date=explicit&mindate=2006-04-18+10&maxdate=2006-04-20+08&cvsroot=%2Fcvsroot
Probably a regression from bug 235223(although bug 334256 might be the culprit, instead).

Comment 6

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

It doesn't seem like something bug 235223 would cause, although I could be wrong.  Probably worth testing backouts of both potential causes...

Comment 7

[Jens Stutte [:jstutte]]

Bulk-downgrade of unassigned, 4 years untouched DOM/Storage bugs' priority.

If you have reason to believe this is wrong (especially for the severity), please write a comment and ni :jstutte.