Bug 280157

Version:           4.7.0 (using KDE 4.7.0) 
OS:                Linux

Descendant elements of an element with 'display: none' do not generate any boxes; the element with 'display: none' and its content are removed from the formatting structure entirely. Therefore, descendants of an element with 'display: none' should not be reachable with tab key even if they have a tabindex attribute specification.

Original webpage where the problem occurs
-----------------------------------------
http://www.icab.de/test.html


Relevant chunk of code involved
-------------------------------

  <table>
   <tr><td>1:</td><td><input tabindex="1" size="5" value="A"></td><td>4:</td><td><input tabindex="4" size="5"></td><td>3:</td><td><input tabindex="3" size="5"></td></tr>
   <tr><td>2:</td><td><input tabindex="2" size="5"></td><td>6:</td><td><input tabindex="6" size="5"></td><td>5:</td><td><input tabindex="5" size="5"></td></tr>
  </table>

  <table style="display: none;">
   <tr><td>1:</td><td><input tabindex="1" size="5"></td><td>4:</td><td><input tabindex="4" size="5"></td><td>3:</td><td><input tabindex="3" size="5"></td></tr>
   <tr><td>2:</td><td><input tabindex="2" size="5"></td><td>6:</td><td><input tabindex="6" size="5"></td><td>5:</td><td><input tabindex="5" size="5"></td></tr>
  </table>

The text field inputs of the table with 'display: none' should not be reachable with tab keyboard.


Reduced self-explanatory testcase
---------------------------------
http://www.gtalbot.org/BrowserBugsSection/Konqueror4Bugs/tabindex-display-none.html

Reproducible: Always

Steps to Reproduce:
1- Load
http://www.gtalbot.org/BrowserBugsSection/Konqueror4Bugs/tabindex-display-none.html

2- Click into the first text field and then press the tab key 5 times

Actual Results:  
The text field input 2 does not have focus after 1 tab key.
The text field input 5 does not have focus after 4 tab key.
The text field input 4 has focus after 5 tab key.

Expected Results:  
The text field input 2 should have focus after 1 tab key.
The text field input 5 should have focus after 4 tab key.
The text field input 6 should have focus after 5 tab key.

Internet Explorer 8, Firefox 5.0, Opera 11.50, Chrome 13.0.782.112 and Safari 5.1 pass this test.

Konqueror 4.7.0 fails this test.

I am using
KDE Platform Version: 4.7.0
Konqueror version: 4.7.0 (KHTML rendering engine)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic-pae i686 (32bits)
Distribution: Kubuntu 11.04
here.

regards, Gérard