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List:       kwin
Subject:    Re: Review Request: delay unsynced showing by at max 50ms
From:       Martin_Gräßlin <kde () martin-graesslin ! com>
Date:       2012-08-25 13:46:41
Message-ID: 20120825134641.22532.46098 () vidsolbach ! de
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What happens if the Window gets deleted before the first damage event? Does that \
cause any issues for the Deleted?


kwin/effects.cpp
<http://git.reviewboard.kde.org/r/106173/#comment14223>

    qobject_cast?


- Martin Gräßlin


On Aug. 24, 2012, 9:08 p.m., Thomas Lübking wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/106173/
> -----------------------------------------------------------
> 
> (Updated Aug. 24, 2012, 9:08 p.m.)
> 
> 
> Review request for kwin and Martin Gräßlin.
> 
> 
> Description
> -------
> 
> to workaround that bug / issue
> The very first damage event will still cause a full repaint (with \
> setReadyForPainting) 
> 
> This addresses bug 295254.
> http://bugs.kde.org/show_bug.cgi?id=295254
> 
> 
> Diffs
> -----
> 
> kwin/client.cpp 09b0328 
> kwin/composite.cpp 12bb75a 
> kwin/effects.h 014c4cf 
> kwin/effects.cpp f3fd7e5 
> kwin/toplevel.h aba9321 
> kwin/toplevel.cpp 9417813 
> kwin/unmanaged.h b11d62b 
> 
> Diff: http://git.reviewboard.kde.org/r/106173/diff/
> 
> 
> Testing
> -------
> 
> gimp testcase i mentioned in the bug. works.
> Also even with a significant test delay (250ms) the windows still nearly map \
> immediately (for the initial damage event) 
> 
> Thanks,
> 
> Thomas Lübking
> 
> 


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      This is an automatically generated e-mail. To reply, visit:
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 <pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: \
-pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">What happens if the \
Window gets deleted before the first damage event? Does that cause any issues for the \
Deleted?</pre>  <br />





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font-size: 9pt; padding: 4px 8px; text-align: left;">  <a \
href="http://git.reviewboard.kde.org/r/106173/diff/1/?file=80964#file80964line435" \
style="color: black; font-weight: bold; text-decoration: \
underline;">kwin/effects.cpp</a>  <span style="font-weight: normal;">

     (Diff revision 1)

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   <td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; \
"></pre></td>  <td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: \
0; ">void EffectsHandlerImpl::slotUnmanagedShown(KWin::Toplevel *t)</pre></td>

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    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" \
align="right"><font size="2"></font></th>  <td bgcolor="#c5ffc4" width="50%"><pre \
style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>  <th \
bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid \
#C0C0C0;" align="right"><font size="2">429</font></th>  <td bgcolor="#c5ffc4" \
width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">    <span \
class="n">Q_ASSERT</span><span class="p">(</span><span \
class="k">dynamic_cast</span><span class="o">&lt;</span><span \
class="n">Unmanaged</span><span class="o">*&gt;</span><span class="p">(</span><span \
class="n">t</span><span class="p">));</span></pre></td>  </tr>

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    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" \
align="right"><font size="2"></font></th>  <td bgcolor="#c5ffc4" width="50%"><pre \
style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>  <th \
bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid \
#C0C0C0;" align="right"><font size="2">430</font></th>  <td bgcolor="#c5ffc4" \
width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">    <span \
class="n">Unmanaged</span> <span class="o">*</span><span class="n">u</span> <span \
class="o">=</span> <span class="k">static_cast</span><span class="o">&lt;</span><span \
class="n">Unmanaged</span><span class="o">*&gt;</span><span class="p">(</span><span \
class="n">t</span><span class="p">);</span></pre></td>  </tr>

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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; \
white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">qobject_cast?</pre> </div>
<br />



<p>- Martin</p>


<br />
<p>On August 24th, 2012, 9:08 p.m., Thomas Lübking wrote:</p>






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<div>Review request for kwin and Martin Gräßlin.</div>
<div>By Thomas Lübking.</div>


<p style="color: grey;"><i>Updated Aug. 24, 2012, 9:08 p.m.</i></p>






<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
 <table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" \
style="border: 1px solid #b8b5a0">  <tr>
  <td>
   <pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">to workaround that bug / issue The very first damage event will still \
cause a full repaint (with setReadyForPainting)</pre>  </td>
 </tr>
</table>


<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: \
1px solid #b8b5a0">  <tr>
  <td>
   <pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">gimp testcase i mentioned in the bug. works. Also even with a \
significant test delay (250ms) the windows still nearly map immediately (for the \
initial damage event)</pre>  </td>
 </tr>
</table>



<div style="margin-top: 1.5em;">
 <b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>


 <a href="http://bugs.kde.org/show_bug.cgi?id=295254">295254</a>


</div>


<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">

 <li>kwin/client.cpp <span style="color: grey">(09b0328)</span></li>

 <li>kwin/composite.cpp <span style="color: grey">(12bb75a)</span></li>

 <li>kwin/effects.h <span style="color: grey">(014c4cf)</span></li>

 <li>kwin/effects.cpp <span style="color: grey">(f3fd7e5)</span></li>

 <li>kwin/toplevel.h <span style="color: grey">(aba9321)</span></li>

 <li>kwin/toplevel.cpp <span style="color: grey">(9417813)</span></li>

 <li>kwin/unmanaged.h <span style="color: grey">(b11d62b)</span></li>

</ul>

<p><a href="http://git.reviewboard.kde.org/r/106173/diff/" style="margin-left: \
3em;">View Diff</a></p>




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