<?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>25277</bug_id>
          
          <creation_ts>2009-04-17 16:15:51 -0700</creation_ts>
          <short_desc>If there is no line wrapping, a caret can leave its containing block but it shouldn&apos;t leave its root line box</short_desc>
          <delta_ts>2009-04-17 19:00:29 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Layout and Rendering</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Mac</rep_platform>
          <op_sys>OS X 10.5</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Justin Garcia">justin.garcia</reporter>
          <assigned_to name="Justin Garcia">justin.garcia</assigned_to>
          <cc>mitz</cc>
    
    <cc>simon.fraser</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>117986</commentid>
    <comment_count>0</comment_count>
    <who name="Justin Garcia">justin.garcia</who>
    <bug_when>2009-04-17 16:15:51 -0700</bug_when>
    <thetext>If there is no line wrapping, a caret can leave its containing block but it shouldn&apos;t leave its root line box.  

Otherwise I believe it can be clipped by the containing blocks outline.  Test case forthcoming.

&lt;rdar://problem/6800956&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>117990</commentid>
    <comment_count>1</comment_count>
      <attachid>29593</attachid>
    <who name="Justin Garcia">justin.garcia</who>
    <bug_when>2009-04-17 16:50:54 -0700</bug_when>
    <thetext>Created attachment 29593
patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>117994</commentid>
    <comment_count>2</comment_count>
      <attachid>29593</attachid>
    <who name="">mitz</who>
    <bug_when>2009-04-17 17:02:58 -0700</bug_when>
    <thetext>Comment on attachment 29593
patch

You should add a reference to the test to the WebCore ChangeLog.

I don&apos;t think this covers all cases. Not all textAlign() values that are not LEFT should behave the same, and I think in most cases (maybe even for LEFT and RIGHT) the behavior also needs to take style()-&gt;direction() into account, because that&apos;s how we decide on which side of the block the overflow goes. See the logic in RenderBlock::computeHorizontalPositionsForLine().</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>117995</commentid>
    <comment_count>3</comment_count>
    <who name="Justin Garcia">justin.garcia</who>
    <bug_when>2009-04-17 17:04:22 -0700</bug_when>
    <thetext>(In reply to comment #2)
&gt; Not all textAlign() values that are not LEFT should behave the same

oops!  will fix...</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>118003</commentid>
    <comment_count>4</comment_count>
      <attachid>29597</attachid>
    <who name="Justin Garcia">justin.garcia</who>
    <bug_when>2009-04-17 17:38:28 -0700</bug_when>
    <thetext>Created attachment 29597
patch

patch with new test case to cover the case that dan mentioned, where the text-align is right but the direction is LTR.  In that case we spill over to the right off the block like we do in other direction:LTR cases.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>118008</commentid>
    <comment_count>5</comment_count>
      <attachid>29597</attachid>
    <who name="">mitz</who>
    <bug_when>2009-04-17 18:31:14 -0700</bug_when>
    <thetext>Comment on attachment 29597
patch

r=me
There&apos;s a problem with this and earlier caret painting patches in that the difference between correct and incorrect behavior in the pixel test is below our detection threshold. I am not sure what to do about it (maybe use the Mac SPI that&apos;s exposed via DRT for getting caret rects?), but addressing that is not part of this bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>118010</commentid>
    <comment_count>6</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2009-04-17 18:33:19 -0700</bug_when>
    <thetext>Maybe caretWidth should be settable at runtime via a CSS property, or DRT API, and we can make it really fat?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>118011</commentid>
    <comment_count>7</comment_count>
    <who name="">mitz</who>
    <bug_when>2009-04-17 18:35:48 -0700</bug_when>
    <thetext>I don&apos;t think we want a CSS property for it, but maybe a WebView SPI.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>118012</commentid>
    <comment_count>8</comment_count>
    <who name="Justin Garcia">justin.garcia</who>
    <bug_when>2009-04-17 18:38:16 -0700</bug_when>
    <thetext>I&apos;ll correct the test description to say that the problem is that the caret paints over the focus halo a bit (rather than getting clipped).</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>118013</commentid>
    <comment_count>9</comment_count>
    <who name="Justin Garcia">justin.garcia</who>
    <bug_when>2009-04-17 18:54:25 -0700</bug_when>
    <thetext>http://trac.webkit.org/changeset/42634</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>118014</commentid>
    <comment_count>10</comment_count>
    <who name="Justin Garcia">justin.garcia</who>
    <bug_when>2009-04-17 19:00:29 -0700</bug_when>
    <thetext>and http://trac.webkit.org/changeset/42635</thetext>
  </long_desc>
      
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</data>
<flag name="review"
          id="14780"
          type_id="1"
          status="+"
          setter="mitz"
    />
          </attachment>
      

    </bug>

</bugzilla>