titleWidget

var titleWidget: <Error class: unknown class>?

The title widget to display.

When set to NULL, the header bar will display the title of the window it is contained in.

To use a different title, use class@WindowTitle:

<object class="AdwHeaderBar">
<property name="title-widget">
<object class="AdwWindowTitle">
<property name="title" translatable="yes">Title</property>
</object>
</property>
</object>