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This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/101219/">http://git.reviewboard.kde.org/r/101219/</a>
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<p>Ship it!</p>
<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">That's a no brainer.
Please, ship it. As a side note: where you placed the comment for KDE5, please add "###" and remove the note from the documentation that is generated (you could add this comment before the implementation on the cpp file). When working on KDE5 I will do a fast grep on ### and fix those issues (mostly public API that needs to be fixed).
Thank you very much for the patch.</pre>
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<p>- Rafael Fernández</p>
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<p>On April 24th, 2011, 7:49 a.m., Eli MacKenzie wrote:</p>
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<div>Review request for kdelibs and Rafael Fernández López.</div>
<div>By Eli MacKenzie.</div>
<p style="color: grey;"><i>Updated April 24, 2011, 7:49 a.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;">Ideally KWidgetItemDelegate::createItemWidgets would take a const QModelIndex& argument. Unfortunately its public API, so the signature cannot be changed until KDE5. Additionally, its pure virtual so the option of adding a createItemWidgets(const QModelIndex&) method won't work either.
Instead, I've added a dynamic property called "creatingWidgetForIndex" to the delegate, that is only present while the widget pool is creating widgets. This means the only change kwidgetitemdelegate.h is documentation. The QModelIndex could be stashed on one of the d-objects and made available through an accessor, but that would mean that d-object would have to carry a QModelIndex that would be invalid almost all of the time.
Another benefit is that an application where this feature is desired (for KDE < 4.7) only has to include an the new version of kwidgetitemdelegatepool.cpp, which is easy to keep in sync with kdelibs.
This change allows you to set a delegate for a particular column in the model, and put a type of widget in each row that works best for the data.</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;">In my test app I started with a model that only included 5 rows, and would only create a widget for row 2. As long as KWidgetItemDelegate::updateWidgets doesn't assume that the QList<QWidget*> argument has something in it, all is well. After implementing this change I caused the model to change the type of widget for each row per the index pulled out of the property, again keeping updateWidgets in sync, and have encountered no problems.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>kdeui/itemviews/kwidgetitemdelegate.h <span style="color: grey">(58dd60868f476d925f3abd53e67b22c1ed7149ac)</span></li>
<li>kdeui/itemviews/kwidgetitemdelegatepool.cpp <span style="color: grey">(b287584a594e97a091f96447386a588acb08c59e)</span></li>
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<p><a href="http://git.reviewboard.kde.org/r/101219/diff/" style="margin-left: 3em;">View Diff</a></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Screenshots </h1>
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<a href="http://git.reviewboard.kde.org/r/101219/s/136/"><img src="http://git.reviewboard.kde.org/media/uploaded/images/2011/04/26/tb2_400x100.png" style="border: 1px black solid;" alt="with no filtering" /></a>
<a href="http://git.reviewboard.kde.org/r/101219/s/137/"><img src="http://git.reviewboard.kde.org/media/uploaded/images/2011/04/26/tb3_400x100.png" style="border: 1px black solid;" alt="With filtering" /></a>
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