HeaderBar.setTitleWidget
void setTitleWidget(gtk.widget.Widget titleWidget = null)Sets the title widget for self.
When set to NULL, the header bar will display the title of the window it is contained in.
To use a different title, use classWindowTitle:
<object class="AdwHeaderBar">
<property name="title-widget">
<object class="AdwWindowTitle">
<property name="title" translatable="yes">Title</property>
</object>
</property>
</object>Parameters
titleWidget | a widget to use for a title |