Viewing file:  showVars.pl (1.06 KB) -rw-r--r--
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sub showVars {
# Create a top-level window that displays a bunch of global variable values
# and keeps the display up-to-date even when the variables change value.
#
# Arguments:
# w - Perl widget reference of parent.
# vars - Name of variable(s) to monitor.
$showVars->destroy if Exists($showVars);
$showVars = shift->Toplevel();
my $w = $showVars;
dpos($w);
$w->title('Variable values');
$w->iconname('Variables');
my $w_title = $w->Label(-text => 'Variable values:', -width => 20, -anchor, 'center',
-font => '-Adobe-helvetica-medium-r-normal--*-180-*-*-*-*-*-*');
$w_title->pack(-fill => 'x');
my $i;
foreach $i (@_) {
my $w_i = $w->Frame();
my $w_i_name = $w_i->Label(-text => "$i: ");
my $w_i_value = $w_i->Label(-textvariable => \${$i});
$w_i_name->pack(-side => 'left');
$w_i_value->pack(-side => 'left');
$w_i->pack(-side => 'top', -anchor => 'w');
}
$w->Button(-text => 'OK', -command => [$w => 'destroy'])->
pack(-side => 'bottom', -pady => 2);
} # end showVars
1;
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