ref: 905e669fced93d8f1648157ade1456227230b979
dir: /man/2/tabs/
.TH TABS 2
.SH NAME
tabs: mktabs, tabsctl \-
tabbed notebook pseudo-widget
.SH SYNOPSIS
.EX
include "tabs.m";
tabs := load Tabs Tabs->PATH;
init: fn();
mktabs: fn(p: ref Tk->Toplevel, book: string,
tabs: array of (string, string), dflt: int):
chan of string;
tabsctl: fn(p: ref Tk->Toplevel, book: string,
tabs: array of (string, string), curid: int,
newid: string): int;
.EE
.SH DESCRIPTION
.B Tabs
implements a Tk extension:
a user-interface device that looks like a tabbed notebook.
.PP
.B Init
should be called once to initialise the internal state.
.PP
.B Mktabs
creates a tabbed notebook pseudo widget,
.IR book ,
for insertion into Tk
widget
.IR p .
Once created,
.I book
can be packed like any other Tk widget.
Information for specific tab pages is contained in the
.I tabs
array.
For each page,
.I tabs
contains the name displayed in the tab and a Tk widget name.
Whenever a page is selected, its widget is
packed in
.I book
and displayed.
The notebook will initially display the page
indexed by
.IR dflt .
.B Mktabs
returns a Tk event channel.
Messages received on this channel should be passed as the
.I newid
argument to
.BR tabsctl .
.PP
.B Tabsctl
controls a tabbed notebook.
.I Curid
is the index of the page currently selected
in the notebook.
.I Newid
is a string containing the index of the new
page to be displayed; this is usually the information received on
the tabs channel.
The index of the newly selected page is returned.
.SH SOURCE
.B /appl/lib/tabs.b
.SH SEE ALSO
.IR dividers (2),
.IR draw-context (2),
.IR tk (2),
.IR wmlib (2)