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This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/106519/">http://git.reviewboard.kde.org/r/106519/</a>
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<a href="http://git.reviewboard.kde.org/r/106519/diff/3/?file=86661#file86661line761" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/shell/desktopcorona.cpp</a>
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(Diff revision 3)
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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 DesktopCorona::updateDelayed()</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">QTimer</span><span class="o">::</span><span class="n">singleShot</span><span class="p">(</span><span class="mi">250</span><span class="p">,</span> <span class="k">this</span><span class="p">,</span> <span class="n">SLOT</span><span class="p">(</span><span class="n">update</span><span class="p">()));</span> <span class="c1">// 100ms is not enough</span></pre></td>
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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;">instead of using a QTimer::singleShot, please add a QTimer member to DesktopCorona that is a singleshot. this way, if it get calls more than one in a row, only one timer call will be triggered.
thanks for the detailed comment explaining why this slot is needed!</pre>
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<p>- Aaron J.</p>
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<p>On September 21st, 2012, 1:18 p.m., Ralf Jung wrote:</p>
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<div>Review request for Plasma.</div>
<div>By Ralf Jung.</div>
<p style="color: grey;"><i>Updated Sept. 21, 2012, 1:18 p.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<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;">This patch is my attempt to fix redrawing the panel when the screen is resized. During my experiments, I added update() calls to all places I could think of, but none of them helped - it seems that even though the panel is redrawn, that content is not properly displayed. I am not sure whether this might actually be a bug in KWin: For example, I also saw parts of the panel content end up in the desktop background if compositing was disabled and the background was set to a solid black, opposed to an actual image. I don't have the knowledge to persuade that idea further though.
I found, however, a solution (or a work-around) to fix the panel bug. Is that acceptable?</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<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;">Re-sized the screen a few times (using xrandr) to verify that the graphical glitches after a resize are gone.</pre>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="http://bugs.kde.org/show_bug.cgi?id=269635">269635</a>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>plasma/desktop/shell/desktopcorona.h <span style="color: grey">(b65a926)</span></li>
<li>plasma/desktop/shell/desktopcorona.cpp <span style="color: grey">(ea58c2c)</span></li>
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<p><a href="http://git.reviewboard.kde.org/r/106519/diff/" style="margin-left: 3em;">View Diff</a></p>
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