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TixHList - The
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Controlling the Layout
Handling the Selection and User Event
The handling of the selection and user events for the HList widget
is very similar to the TList widget (see section
3.3.5), except that for the HList widget all the
operations are based on entry-paths, not list indices. The methods
info selection
,
selection set
and
selection clear
can be used to query, set or clear the selection; the option
-selectmode
controls how many entries can be selected at a time;
the options
-browsecmd
and
-command
can be used to
specify a command to be called to handle user events.
There is one more option worth mentioning: the
-wideselection
option. When set to
true
, the selection highlight will be drawn
across the whole HList widget (see figure 4-3). When set to
false, selection highlight will be drawn as wide as the selected entry
(see figure 4-5). Normally, you would set
-wideselection
to
false
when you use
imagetext
items inside
(as we did in program 4-4).
http://tix.sourceforge.net
http://tix.sourceforge.net
