Functions for GtkShortcutsWindow
Currently, the only way to build a GtkShortcutsWindow is using a .ui
file. It would be nice if it was possible to create and modifying GtkShortcutsWindow via C code. This includes the other types that are related with GtkShortcutsWindow: GtkShortcutsSection, GtkShortcutsGroup, GtkShortcutsShortcut.