'Review Request: Fix regression igonring hiddenPreviews on stacking updates'

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List:       kwin
Subject:    Review Request: Fix regression igonring hiddenPreviews on stacking updates
From:       Thomas_Lübking <thomas.luebking () web ! de>
Date:       2012-01-13 2:07:45
Message-ID: 20120113020745.2873.48951 () vidsolbach ! de
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http://git.reviewboard.kde.org/r/103687/
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Review request for kwin and Martin Gräßlin.

Description
-------

You were ultimately right =)

commit a55125b9dc1bd60e258dec133878c3da4178063d accidentally removed stacking
handling of hiddenPreview windows alongside the dropped topmenu support,
resulting in them being unhandled by xrestack, turning them on top.

As a result only the input shaping prevents them from intercepting events and
this is probably not supported by DnD

---- Sidenote:
Since the array was replaced by a QVector, we should estimate the required dimension \
(little more problematic because of the input windows, possibly 2*stacking_order \
count + 8 edges + the support client) for performance reasons. We however got some \
time left and this is rather minor.

This addresses bug 289945.
    http://bugs.kde.org/show_bug.cgi?id=289945

Diffs
-----

  kwin/layers.cpp 931b988 

Diff: http://git.reviewboard.kde.org/r/103687/diff/diff

Testing
-------

Yes, mentioned amarok ./. dolphin ./. notifications reliably used to trigger it for \
me - over and over again. Stopped immediately after applying this patch.

Thanks,

Thomas Lübking

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      This is an automatically generated e-mail. To reply, visit:
      <a href="http://git.reviewboard.kde.org/r/103687/">http://git.reviewboard.kde.org/r/103687/</a>
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<div>Review request for kwin and Martin Gräßlin.</div>
<div>By Thomas Lübking.</div>

<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;">You were ultimately right =)

commit a55125b9dc1bd60e258dec133878c3da4178063d accidentally removed stacking
handling of hiddenPreview windows alongside the dropped topmenu support,
resulting in them being unhandled by xrestack, turning them on top.

As a result only the input shaping prevents them from intercepting events and
this is probably not supported by DnD

---- Sidenote:
Since the array was replaced by a QVector, we should estimate the required dimension \
(little more problematic because of the input windows, possibly 2*stacking_order \
count + 8 edges + the support client) for performance reasons. We however got some \
time left and this is rather minor.</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;">Yes, mentioned amarok ./. dolphin ./. notifications reliably used to \
trigger it for me - over and over again. Stopped immediately after applying this \
patch.</pre>  </td>
 </tr>
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<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=289945">289945</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/layers.cpp <span style="color: grey">(931b988)</span></li>

</ul>

<p><a href="http://git.reviewboard.kde.org/r/103687/diff/" style="margin-left: \
3em;">View Diff</a></p>

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