<?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>18461</bug_id>
          
          <creation_ts>2008-04-13 10:45:50 -0700</creation_ts>
          <short_desc>Flicker when scrolling</short_desc>
          <delta_ts>2010-04-26 03:45:30 -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 10.4</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>WORKSFORME</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>Qt</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Benjamin Meyer">ben</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>hausmann</cc>
    
    <cc>jturcotte</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>77400</commentid>
    <comment_count>0</comment_count>
    <who name="Benjamin Meyer">ben</who>
    <bug_when>2008-04-13 10:45:50 -0700</bug_when>
    <thetext>I have seen this when just browsing around and scrolling with the scrollwheel, but here is a reproducible case.

In the attached example hit Ctrl-F to cause the search widget to appear and the webview to scroll down.  The left hand side of the webpage flickers between white and painting the webpage.

If I turn off updates (see the two commented out lined in main.cpp before calling setScrollBarValue the flickering goes away.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>77406</commentid>
    <comment_count>1</comment_count>
      <attachid>20501</attachid>
    <who name="Benjamin Meyer">ben</who>
    <bug_when>2008-04-13 11:40:45 -0700</bug_when>
    <thetext>Created attachment 20501
flicker example code</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>216979</commentid>
    <comment_count>2</comment_count>
    <who name="Jocelyn Turcotte">jturcotte</who>
    <bug_when>2010-04-26 03:45:30 -0700</bug_when>
    <thetext>Could not reproduce on Windows with Qt 4.7.

Since this bug is quite old I&apos;ll assume that it is not valid anymore and resolve it.
Please tell if you can still reproduce the bug.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="0"
              isprivate="0"
          >
            <attachid>20501</attachid>
            <date>2008-04-13 11:40:45 -0700</date>
            <delta_ts>2008-04-13 11:40:45 -0700</delta_ts>
            <desc>flicker example code</desc>
            <filename>webviewsearch.tar.gz</filename>
            <type>application/octet-stream</type>
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            <attacher name="Benjamin Meyer">ben</attacher>
            
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          </attachment>
      

    </bug>

</bugzilla>