Widget.addOnMap

The ::map signal is emitted when @widget is going to be mapped, that is when the widget is visible (which is controlled with gtk_widget_set_visible()) and all its parents up to the toplevel widget are also visible. Once the map has occurred, #GtkWidget::map-event will be emitted.

The ::map signal can be used to determine whether a widget will be drawn, for instance it can resume an animation that was stopped during the emission of #GtkWidget::unmap.

class Widget
void
addOnMap
(
void delegate dlg
,)

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