widget
to become the default widget. widget
must have the
GTK_CAN_DEFAULT
flag set; typically you have to set this flag
yourself by calling gtk_widget_set_can_default ( widget ,
TRUE )
. The default widget is activated when
the user presses Enter in a window. Default widgets must be
activatable, that is, gtkWidgetActivate
should affect them.gtkWidgetGrabDefault(object)
object