Object Hierarchy

    GObject
    ├── GApplication
       ╰── GtkApplication
           ╰── DhApp
    ├── GInitiallyUnowned
       ╰── GtkWidget
           ╰── GtkContainer
               ├── GtkBin
                  ╰── GtkWindow
                      ╰── GtkApplicationWindow
                          ├── DhAssistant
                          ╰── DhWindow
               ├── WebKitWebViewBase
                  ╰── WebKitWebView
                      ╰── DhAssistantView
               ├── GtkTreeView
                  ╰── DhBookTree
               ╰── GtkBox
                   ╰── DhSidebar
    ├── DhBook
    ├── DhBookManager
    ├── DhKeywordModel
    ╰── DhLanguage
    GBoxed
    ╰── DhLink