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<!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>18061</bug_id>
          
          <creation_ts>2008-03-25 02:04:46 -0700</creation_ts>
          <short_desc>PlatformScrollBarGtk attempts to allocate negative width and/or height for widgets</short_desc>
          <delta_ts>2008-03-28 11:27:10 -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>WebKitGTK</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>PC</rep_platform>
          <op_sys>Linux</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc>http://acid3.acidtests.org/</bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>Gtk</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Jasper Bryant-Greene">jasper</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>alp</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>75085</commentid>
    <comment_count>0</comment_count>
    <who name="Jasper Bryant-Greene">jasper</who>
    <bug_when>2008-03-25 02:04:46 -0700</bug_when>
    <thetext>The attached patch adds a missing clampNegativeToZero() call to stop PlatformScrollBarGtk from allocating negative width and/or height for widgets.

This stops massive barfage of warnings like this on, for example, the Acid3 test:

(juniper:12951): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -15 and height 15</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>75086</commentid>
    <comment_count>1</comment_count>
      <attachid>20024</attachid>
    <who name="Jasper Bryant-Greene">jasper</who>
    <bug_when>2008-03-25 02:05:32 -0700</bug_when>
    <thetext>Created attachment 20024
prevent PlatformScrollBarGtk from allocating negative width and/or height for widgets</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>75653</commentid>
    <comment_count>2</comment_count>
    <who name="Alp Toker">alp</who>
    <bug_when>2008-03-28 11:27:10 -0700</bug_when>
    <thetext>Landed in r31399.

Including the bug URL/subject in the ChangeLog entry is a good idea for future patches. I also removed the comment since it&apos;s self-explanatory.

Thanks!</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
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              isprivate="0"
          >
            <attachid>20024</attachid>
            <date>2008-03-25 02:05:32 -0700</date>
            <delta_ts>2008-03-28 11:21:32 -0700</delta_ts>
            <desc>prevent PlatformScrollBarGtk from allocating negative width and/or height for widgets</desc>
            <filename>PlatformScrollBarGtk-prevent-allocation-of-widgets-with-negative-size.patch</filename>
            <type>text/plain</type>
            <size>1560</size>
            <attacher name="Jasper Bryant-Greene">jasper</attacher>
            
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          type_id="1"
          status="+"
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          </attachment>
      

    </bug>

</bugzilla>