Sets our main struct and passes it to the parent class.
Adds @header_bar to @self. When the widget is destroyed or no longer referenced elsewhere, it will be removed from the header group.
Adds @header_bar to @self. When the widget is destroyed or no longer referenced elsewhere, it will be removed from the header group.
Adds @header_group to @self. When the nested group is no longer referenced elsewhere, it will be removed from the header group.
This signal is emitted before updating the decoration layouts.
Returns the list of children associated with @self.
Gets whether the elements of the group should all receive the full decoration.
Get the main Gtk struct
the main Gtk struct as a void*
Removes @child from @self.
Removes @header_bar from @self.
Removes @header_bar from @self.
Removes a nested #HdyHeaderGroup from a #HdyHeaderGroup
Sets whether the elements of the group should all receive the full decoration.
the main Gtk struct