<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>76244</bug_id>
          
          <creation_ts>2012-01-12 21:16:15 -0800</creation_ts>
          <short_desc>REGRESSION(r100111): A &apos;change&apos; event does not fire when a mouse drag occurs to switch elements in a listbox</short_desc>
          <delta_ts>2012-01-18 22:52:17 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Forms</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>All</rep_platform>
          <op_sys>All</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P1</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Kent Tamura">tkent</reporter>
          <assigned_to name="Kent Tamura">tkent</assigned_to>
          <cc>ap</cc>
    
    <cc>dglazkov</cc>
    
    <cc>morrita</cc>
    
    <cc>rakeshchaitan</cc>
    
    <cc>webkit.review.bot</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>535427</commentid>
    <comment_count>0</comment_count>
    <who name="Kent Tamura">tkent</who>
    <bug_when>2012-01-12 21:16:15 -0800</bug_when>
    <thetext>Reported at http://code.google.com/p/chromium/issues/detail?id=110068.


&lt;select id=&quot;sel1&quot; size=&quot;4&quot; onchange=&quot;alert(&apos;event fired: &apos; + document.getElementById(&apos;sel1&apos;).value);&quot;&gt;
&lt;option&gt;RED&lt;/option&gt;
&lt;option&gt;GREEN&lt;/option&gt;
&lt;option&gt;BLUE&lt;/option&gt;
&lt;option&gt;YELLOW&lt;/option&gt;
&lt;/select&gt;

If you select an option by mouse dragging (not clicking), &apos;change&apos; event doesn&apos;t fire. This problem was made by r99667 or r100111.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>537600</commentid>
    <comment_count>1</comment_count>
    <who name="Kent Tamura">tkent</who>
    <bug_when>2012-01-17 20:43:22 -0800</bug_when>
    <thetext>The root cause is that the mousedown handling in listBoxDefaultEventHandler() updates m_lastOnChangeSelection. If the listbox is scrollable, mousemove events are not dispatched.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>537633</commentid>
    <comment_count>2</comment_count>
      <attachid>122874</attachid>
    <who name="Kent Tamura">tkent</who>
    <bug_when>2012-01-17 22:35:18 -0800</bug_when>
    <thetext>Created attachment 122874
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>537644</commentid>
    <comment_count>3</comment_count>
      <attachid>122874</attachid>
    <who name="Hajime Morrita">morrita</who>
    <bug_when>2012-01-17 22:51:58 -0800</bug_when>
    <thetext>Comment on attachment 122874
Patch

The test shows the evidence.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>537653</commentid>
    <comment_count>4</comment_count>
    <who name="Kent Tamura">tkent</who>
    <bug_when>2012-01-17 23:09:15 -0800</bug_when>
    <thetext>(In reply to comment #1)
&gt; The root cause is that the mousedown handling in listBoxDefaultEventHandler() updates m_lastOnChangeSelection. If the listbox is scrollable, mousemove events are not dispatched.

Correction: mousedown -&gt; mousemove

BTW, HTMLSelectElement has multiple functions to update option selection, and they are confusing. We had better refactor/rename/document them.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>537657</commentid>
    <comment_count>5</comment_count>
      <attachid>122874</attachid>
    <who name="WebKit Review Bot">webkit.review.bot</who>
    <bug_when>2012-01-17 23:27:33 -0800</bug_when>
    <thetext>Comment on attachment 122874
Patch

Attachment 122874 did not pass chromium-ews (chromium-xvfb):
Output: http://queues.webkit.org/results/11282082

New failing tests:
fast/forms/select-multiple-elements-with-mouse-drag-with-options-less-than-size.html</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>537728</commentid>
    <comment_count>6</comment_count>
    <who name="Kent Tamura">tkent</who>
    <bug_when>2012-01-18 02:21:28 -0800</bug_when>
    <thetext>(In reply to comment #5)
&gt; (From update of attachment 122874 [details])
&gt; Attachment 122874 [details] did not pass chromium-ews (chromium-xvfb):
&gt; Output: http://queues.webkit.org/results/11282082
&gt; 
&gt; New failing tests:
&gt; fast/forms/select-multiple-elements-with-mouse-drag-with-options-less-than-size.html

The test didn&apos;t fail on Apple Mac and Chromium Mac with the patch.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>538389</commentid>
    <comment_count>7</comment_count>
      <attachid>123050</attachid>
    <who name="Kent Tamura">tkent</who>
    <bug_when>2012-01-18 18:30:52 -0800</bug_when>
    <thetext>Created attachment 123050
Patch for landing</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>538493</commentid>
    <comment_count>8</comment_count>
      <attachid>123050</attachid>
    <who name="WebKit Review Bot">webkit.review.bot</who>
    <bug_when>2012-01-18 22:52:12 -0800</bug_when>
    <thetext>Comment on attachment 123050
Patch for landing

Clearing flags on attachment: 123050

Committed r105386: &lt;http://trac.webkit.org/changeset/105386&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>538494</commentid>
    <comment_count>9</comment_count>
    <who name="WebKit Review Bot">webkit.review.bot</who>
    <bug_when>2012-01-18 22:52:17 -0800</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="1"
              ispatch="1"
              isprivate="0"
          >
            <attachid>122874</attachid>
            <date>2012-01-17 22:35:18 -0800</date>
            <delta_ts>2012-01-18 18:30:46 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-76244-20120118153516.patch</filename>
            <type>text/plain</type>
            <size>6167</size>
            <attacher name="Kent Tamura">tkent</attacher>
            
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          </attachment>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>123050</attachid>
            <date>2012-01-18 18:30:52 -0800</date>
            <delta_ts>2012-01-18 22:52:12 -0800</delta_ts>
            <desc>Patch for landing</desc>
            <filename>bug-76244-20120119113051.patch</filename>
            <type>text/plain</type>
            <size>6874</size>
            <attacher name="Kent Tamura">tkent</attacher>
            
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          </attachment>
      

    </bug>

</bugzilla>