signal.id
can currently be activated.
This is done by emitting the gtkWidgetCanActivateAccel
signal on widget
; if the signal isn't overridden by a
handler or in a derived widget, then the default check is
that the widget must be sensitive, and the widget and all
its ancestors mapped.gtkWidgetCanActivateAccel(object, signal.id)
object
signal.id
widget
TRUE
if the accelerator can be activated.