Avoid possible memory leak if an applet tries to create more then one extender.
svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=875161
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@ -43,6 +43,14 @@ Extender::Extender(Applet *applet)
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: QGraphicsWidget(applet),
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d(new ExtenderPrivate(applet, this))
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{
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//At multiple places in the extender code, we make the assumption that an applet doesn't have
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//more then one extender. If a second extender is created, destroy the first one to avoid leaks.
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if (applet->d->extender) {
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kWarning() << "Applet already has an extender, and can have only one extender."
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<< "The previous extender will be destroyed.";
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delete applet->d->extender;
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}
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applet->d->extender = this;
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setContentsMargins(0, 0, 0, 0);
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d->layout = new QGraphicsLinearLayout(this);
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