The simplest GtkApplication Window which can support .
set_default_size(200, 100)
sets the default size of the window to a width of 200
and a height of 100
; if instead of a positive number we pass -1
we have the default size.
set_position(Gtk.WindowPosition.CENTER)
centers the window. Other options are Gtk.WindowPosition.NONE, Gtk.WindowPosition.MOUSE, Gtk.WindowPosition.CENTER_ALWAYS, Gtk.WindowPosition.CENTER_ON_PARENT
.
In this sample we used the following:
GtkApplication
GtkApplicationWindow