You need to specify the time in the ->Splash call and do an update before you start your initialization. That way the splash screen will be forced to display before it starts.
here's another example. Uncomment the ->withdraw line to hide the main window during the splash.
#!/usr/local/bin/perl -w
use strict;
use vars qw($mw $sp);
use Tk;
BEGIN{
require Tk::Splashscreen;
use Tk;
$mw = MainWindow->new(-title=>'text');
$sp = $mw->Splashscreen();
$sp->Label(
-text => 'Starting up',
-width => 20,
-height => 10,
-font => [-size => 50]
)->pack();
$sp->Splash(5000); # init splash screen
$sp->update; # and display it
#$mw->withdraw; # hide main widow during init
for my $x(0..20) # junk
{
for my $y (0..20)
{
$mw->Label(
-text => "$x:$y",
)->grid(
-row => $x,
-column => $y
);
}
}
sleep 3; # and a little wait if desired
$sp->Destroy(); # get rid of Splash
$mw->deiconify; # and show main window
}
MainLoop;
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