It depends on the code example. In the linked-text-widgets example I showed, just put a focus statement right before the MainLoop
$yscroll->focus; # will bind the up/down arrow keys to the vertical s
+crollbar
MainLoop();
In general, you can setup the focus order, but it can be a bit tricky. For instance
the following allows you to tab around the 3 scrollbars, but the order is not as expected,
the $xscrollright gets default since it was the last widget created....so you may need
to play around with the order in which the scrollbars are created/packed, and the focus statements.
$xscrollleft->focus;
$xscrollright->focus;
$yscroll->focus;
MainLoop();
here is a little example on forcing focus order( as usual, search groups.google.com for more examples)
#!/usr/bin/perl
use Tk;
use strict;
use warnings;
#changes focus on ANY key BUT tab
my $win = MainWindow->new();
$win->Button(-text=>'Other Window',-command=>\&otherwindow)->pack;
sub otherwindow
{
my $otherwin = $win->Toplevel;
my $foo = $otherwin->Entry->pack;
my $bar = $otherwin->Entry->pack;
my $baz = $otherwin->Entry->pack;
my $boo = $otherwin->Entry->pack;
my $baa = $otherwin->Entry->pack;
&defineOrder($foo,$baa,$bar,$boo,$baz);
}
sub defineOrder
{
my $widget;
for (my $i=0; defined( $_[$i+1] ); $i++)
{
# $_[$i]->bind('<Tab>', [\&focus, $_[$i+1]]);
$_[$i]->bind('<Any-KeyPress>', [\&focus, $_[$i+1]]);
}
# Uncomment this line if you want to wrap around
#$_[$#_]->bind('<Key-Return>', [\&focus, $_[0]]);
$_[0]->focus;
}
sub focus
{
my ($tk, $self) = @_;
$self->focus;
}
MainLoop();
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