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>
a widget to use for a title
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: