Advanced Perl Programming

HList — Hierarchical List

This widget is part of the Tix distribution and is supported by Perl/Tk just like any other Tk widget. Table A.14 shows the properties.

Table A-14. HList Methods and Properties

Properties	Description
command	Specifies a reference to a Perl subroutine, which is called when an entry is double clicked upon.
drawbranch	If true, draws lines connecting parent and children and sibling entries.
browsecmd	Called whenever any mouse click or drag event happens over an entry.
columns	Each level of indentation is a column. Column sizes can be individually tailored.
separator	The separator character. Defaults to “.”
selectmode	single, browse, multiple, or extended.
indent	Indent amount for each successive level, in pixels.
Methods
add (entrypath, option, values)	Creates a new entry. The options can be at position, before path, after path, and all the entry properties discussed below.
delete (option, entrypath)	Option can be all, entry, offsprings, siblings
column (col, width) column (col, `char', nchars)	Set the width in pixels or in terms of character widths.
entryconfigure, entrycget	Set/get the entry properties discussed below.
info (option, entryPath)	Option can be children, exists, hidden, next, prev, selection, and so on.
hide, show	Hide or show an entry
Entry Properties
`itemtype’	text, imagetext, and widget.
`text’	The label of that entry.
`image’	A bitmap or a pixmap. Used if itemtype is imagetext.

Note that this ...