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Show First 20 Lines • Show All 116 Lines • ▼ Show 20 Line(s)		114	{
117	}	117		}
118		118
119	d->isExpanded = expanded;	119		d->isExpanded = expanded;
120	emit expandedChanged();	120		emit expandedChanged();
121		121
122	d->updateChildrenFocus(expanded);	122		d->updateChildrenFocus(expanded);
123		123
124	d->animation->setDirection(expanded ? QTimeLine::Forward : QTimeLine::Backward);	124		d->animation->setDirection(expanded ? QTimeLine::Forward : QTimeLine::Backward);
		125		#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
		126		// QTimeLine::duration() must be > 0
		127		const int duration = qMax(1, style()->styleHint(QStyle::SH_Widget_Animation_Duration));
		128		d->animation->setDuration(duration);
		129		#else
		130		d->animation->setDuration(style()->styleHint(QStyle::SH_Widget_Animate, nullptr, this) ? 500 : 1);
		131		#endif
125	d->animation->start();	132		d->animation->start();
126		133
127	//when going from collapsed to expanded changing the child visibility calls an updateGeometry	134		//when going from collapsed to expanded changing the child visibility calls an updateGeometry
128	//which calls sizeHint with expanded true before the first frame of the animation kicks in	135		//which calls sizeHint with expanded true before the first frame of the animation kicks in
129	//trigger an effective frame 0	136		//trigger an effective frame 0
130	if (expanded) {	137		if (expanded) {
131	setFixedHeight(d->headerSize.height());	138		setFixedHeight(d->headerSize.height());
132	}	139		}
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