The generic function
set-button-panel-enabled-items
sets the enabled state of the items in a button panel. If
set
is
t
, then
enable
is ignored and all items are enabled except those in the
disable
list. If
set
is
nil
,
disable
is ignored and all items are disabled except those in the
enable
list. If
set
is not given, the items in the
enable
list are enabled and the items in the
disable
list are disabled. If an item is in both lists, it is enabled. A button is in a list when the data of the button matches one of the items in the list. A match is defined as a non-nil return value from the test function. The default test function is
equal
.