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17.2 Swing Aural Cues
GUI toolkits, such as Swing, typically play short sounds or cues when
specific events occur. The display of an error
dialog box will cause an "alert"
sound of some sort to let the user know that an error has occurred,
for example. And selecting a checkbox might cause a subtle click, to
provide a layer of aural feedback and reassure the user that the
selection was in fact made. Swing uses a pluggable look-and-feel
layer, and any aural cues are the responsibility of the
installed look-and-feel. In most cases, no programmatic intervention
is required, and the aural cues provided by the look-and-feel can
simply be accepted as they are. The API for configuring these aural
cues is essentially undocumented. See Example 11-28
for a way to turn aural cues on and off.
