ToplevelLayout.this
this
()Create a toplevel layout description.
Used together with [gdk.toplevel.Toplevel.present] to describe how a toplevel surface should be placed and behave on-screen.
The size is in ”application pixels”, not ”device pixels” (see [gdk.surface.Surface.getScaleFactor]).
Returns
newly created instance of [gdk.toplevel_layout.ToplevelLayout]