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This is an automatically generated e-mail. To reply, visit:
<a href="http://svn.reviewboard.kde.org/r/5396/">http://svn.reviewboard.kde.org/r/5396/</a>
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<a href="http://svn.reviewboard.kde.org/r/5396/diff/3/?file=39188#file39188line147" style="color: black; font-weight: bold; text-decoration: underline;">trunk/KDE/kdelibs/kdeui/actions/kdualaction.h</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; ">public Q_SLOTS:</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">void</span> <span class="n">setActive</span><span class="p">(</span><span class="n">bool</span> <span class="n">state</span><span class="p">);</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;">Shouldn't this be "setCurrentState(State state)" after your bool->enum conversion?</pre>
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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;">Additionally, please add a KDualAction camelcased header. Thanks.</pre>
<p>- Christoph</p>
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<p>On October 12th, 2010, 3:32 p.m., Aurélien Gâteau wrote:</p>
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<div>Review request for kdelibs.</div>
<div>By Aurélien Gâteau.</div>
<p style="color: grey;"><i>Updated 2010-10-12 15:32:08</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 review-request introduces a new class named KDualAction. The goal of this class is to make it easy to create a dual-state action: an action which represents two actions, switching from one to the other whenever it is triggered. KDualAction can be used to implement actions such as the Play/Pause action of a media player or the Reload/Stop action of a web browser.
Right now some applications mis-use KToggleAction to implement such dual-state actions: They set the first action as the unchecked state and provide an alternative KGuiItem for the checked state with KToggleAction::setCheckedState(). This is wrong because when the user clicks a button representing the action in a toolbar, the button stays down. The appropriate use cases for toggle buttons (and thus KToggleAction) are documented in a recent addition to the HIG:
http://techbase.kde.org/Projects/Usability/HIG/Toggle_Buttons
Potential users for this class:
- Dragon, Juk, Amarok to implement their Play/Pause action.
- Rekonq to implement its Reload/Stop action. Konqueror could also use this but it does not feature a dual reload/stop action as far as I know.
- Dolphin could maybe use it to implement its Split/Close action (although it's a bit more involved in this case because the close action changes depending on which panel it is going to close)
- Any application which incorrectly uses KToggleAction + setCheckedState() to show/hide a UI element (a search on lxr.kde.org shows quite a lot of misuse: http://lxr.kde.org/ident?i=setCheckedState )</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;">The class comes with unit-tests. I tested the API made sense by porting Dragon, Konqueror and creating a showHideMenubar action in KStandardAction (review requests to come if the class is accepted).</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>trunk/KDE/kdelibs/kdeui/CMakeLists.txt <span style="color: grey">(1180870)</span></li>
<li>trunk/KDE/kdelibs/kdeui/actions/kdualaction.h <span style="color: grey">(PRE-CREATION)</span></li>
<li>trunk/KDE/kdelibs/kdeui/actions/kdualaction.cpp <span style="color: grey">(PRE-CREATION)</span></li>
<li>trunk/KDE/kdelibs/kdeui/actions/kdualaction_p.h <span style="color: grey">(PRE-CREATION)</span></li>
<li>trunk/KDE/kdelibs/kdeui/tests/CMakeLists.txt <span style="color: grey">(1180870)</span></li>
<li>trunk/KDE/kdelibs/kdeui/tests/kdualactiontest.cpp <span style="color: grey">(PRE-CREATION)</span></li>
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<p><a href="http://svn.reviewboard.kde.org/r/5396/diff/" style="margin-left: 3em;">View Diff</a></p>
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