on-configure ( window event user-data -- ? )
Gtk-based UI backend

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Vocabulary
ui.backend.gtk2

Inputs

window	an alien
event	an alien
user-data	an alien

Outputs

?

a boolean

Word description
Handles a configure event (GdkEventConfigure) sent from the windowing system. If the world has been sent the on-map event from gtk then it is updated, otherwise nothing happens. Resizing the window causes the world to be relayouted, but moving the window does not.

Definition

USING: accessors classes.struct gdk2.ffi gtk2.ffi kernel
ui.gadgets ui.private ;

IN: ui.backend.gtk2

: on-configure ( window event user-data -- ? )
    drop swap dup gtk_widget_get_toplevel [ = ] keep
    window dup active?>> [
        swap [ swap GdkEventConfigure memory>struct ] dip
        [ event-loc >>window-loc drop ]
        [ event-dim >>dim relayout-1 ] if
    ] [ 3drop ] if f ;