Sets our main struct and passes it to the parent class.
Create a toplevel layout description.
Create a new #GdkToplevelLayout and copy the contents of @layout into it.
Check whether @layout and @other has identical layout properties.
If the layout specifies whether to the toplevel should go fullscreen, the value pointed to by @fullscreen is set to %TRUE if it should go fullscreen, or %FALSE, if it should go unfullscreen.
Returns the monitor that the layout is fullscreening the surface on.
If the layout specifies whether to the toplevel should go maximized, the value pointed to by @maximized is set to %TRUE if it should go fullscreen, or %FALSE, if it should go unmaximized.
Returns whether the layout should allow the user to resize the surface.
the main Gtk struct as a void*
Get the main Gtk struct
Increases the reference count of @layout.
Sets whether the layout should cause the surface to be fullscreen when presented.
Sets whether the layout should cause the surface to be maximized when presented.
Sets whether the layout should allow the user to resize the surface after it has been presented.
Decreases the reference count of @layout.
the main Gtk struct
The GdkToplevelLayout struct contains information that is necessary to present a sovereign window on screen.
The GdkToplevelLayout struct is necessary for using [method@Gdk.Toplevel.present].
Toplevel surfaces are sovereign windows that can be presented to the user in various states (maximized, on all workspaces, etc).