<layout class="QHBoxLayout" name="fader_centerer">
<item>
<widget class="NonLinearFader" name="fader">
+ <property name="maximum">
+ <number>1000</number>
+ </property>
+ <property name="singleStep">
+ <number>10</number>
+ </property>
+ <property name="pageStep">
+ <number>100</number>
+ </property>
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>