Sets our main struct and passes it to the parent class.
Retrieves the bounds the toplevel is placed within.
the main Gtk struct as a void*
Get the main Gtk struct
Sets the minimum size of the toplevel.
Sets the shadows size of the toplevel.
Sets the size the toplevel prefers to be resized to.
the main Gtk struct
The GdkToplevelSize struct contains information that is useful to compute the size of a toplevel.