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Here's a simple Tk idea. (I use END: blocks in the thread to emphasize what is happening, but simple returns will suffice)
#!/usr/bin/perl use warnings; use strict; use threads; use threads::shared; #works on WindowsME ActiveState 5.8.6.811 my $data = shift || 'date'; #sample code to pass to thread my %shash; #share(%shash); #will work only for first level keys my %hash; my %workers; my $numworkers = 3; foreach my $dthread(1..$numworkers){ share ($shash{$dthread}{'go'}); share ($shash{$dthread}{'progress'}); share ($shash{$dthread}{'timekey'}); #actual instance of the thread share ($shash{$dthread}{'frame_open'}); #open or close the frame share ($shash{$dthread}{'handle'}); share ($shash{$dthread}{'data'}); share ($shash{$dthread}{'pid'}); share ($shash{$dthread}{'die'}); $shash{$dthread}{'go'} = 0; $shash{$dthread}{'progress'} = 0; $shash{$dthread}{'timekey'} = 0; $shash{$dthread}{'frame_open'} = 0; $shash{$dthread}{'handle'} = 0; $shash{$dthread}{'data'} = $data; $shash{$dthread}{'pid'} = -1; $shash{$dthread}{'die'} = 0; $hash{$dthread}{'thread'} = threads->new(\&work,$dthread); } use Tk; use Tk::Dialog; my $mw = MainWindow->new(-background => 'gray50'); my $lframe = $mw->Frame( -background => 'gray50',-borderwidth=>10 ) ->pack(-side =>'left' ,-fill=>'y'); my $rframe = $mw->Frame( -background => 'gray50',-borderwidth=>10 ) ->pack(-side =>'right',-fill =>'both' ); my %actives = (); #hash to hold reusable numbered widgets used for d +ownloads my @ready = (); #array to hold markers indicating activity is need +ed #make 3 reusable downloader widget sets------------------------- foreach(1..$numworkers){ push @ready, $_; #frames to hold indicator $actives{$_}{'frame'} = $rframe->Frame( -background => 'gray50' ); $actives{$_}{'stopbut'} = $actives{$_}{'frame'}->Button( -text => "Stop Worker $_", -background => 'lightyellow', -command => sub { } )->pack( -side => 'left', -padx => 10 +); $actives{$_}{'label1'} = $actives{$_}{'frame'} ->Label( -width => 3, -background => 'black', -foreground => 'lightgreen', -textvariable => \$shash{$_}{'progress'}, )->pack( -side => 'left' ); $actives{$_}{'label2'} = $actives{$_}{'frame'} ->Label( -width => 1, -text => '%', -background => 'black', -foreground => 'lightgreen', )->pack( -side => 'left' ); $actives{$_}{'label3'} = $actives{$_}{'frame'} ->Label( -text => '', -background => 'black', -foreground => 'skyblue', )->pack( -side => 'left',-padx =>10 ); } #-------------------------------------------------- my $button = $lframe->Button( -text => 'Get a worker', -background => 'lightgreen', -command => sub { &get_a_worker(time) } )->pack( -side => 'top', -anchor => 'n', -fill=>'x', -pady +=> 20 ); my $text = $rframe->Scrolled("Text", -scrollbars => 'ose', -background => 'black', -foreground => 'lightskyblue', )->pack(-side =>'top', -anchor =>'n'); my $repeat; my $startbut; my $repeaton = 0; $startbut = $lframe->Button( -text => 'Start Test Count', -background => 'hotpink', -command => sub { my $count = 0; $startbut->configure( -state => 'disabled' ); $repeat = $mw->repeat( 100, sub { $count++; $text->insert( 'end', "$count\n" ); $text->see('end'); } ); $repeaton = 1; })->pack( -side => 'top', -fill=>'x', -pady => 20); my $stoptbut = $lframe->Button( -text => 'Stop Count', -command => sub { $repeat->cancel; $repeaton = 0; $startbut->configure( -state => 'normal' ); })->pack( -side => 'top',-anchor => 'n', -fill=>'x', -pady => 20 ) +; my $exitbut = $lframe->Button( -text => 'Exit', -command => sub { foreach my $dthread(keys %hash){ $shash{$dthread}{'die'} = 1; $hash{$dthread}{'thread'}->join } if ($repeaton) { $repeat->cancel } #foreach ( keys %downloads ) { # #$downloads{$_}{'repeater'}->cancel; #} # $mw->destroy; exit; })->pack( -side => 'top',-anchor => 'n', -fill=>'x', -pady => 20 + ); #dialog to get file url--------------------- my $dialog = $mw->Dialog( -background => 'lightyellow', -title => 'Get File', -buttons => [ "OK", "Cancel" ] ); my $hostl = $dialog->add( 'Label', -text => 'Enter File Url', -background => 'lightyellow' )->pack(); my $hostd = $dialog->add( 'Entry', -width => 100, -textvariable => '', -background => 'white' )->pack(); $dialog->bind( '<Any-Enter>' => sub { $hostd->Tk::focus } ); my $message = $mw->Dialog( -background => 'lightyellow', -title => 'ERROR', -buttons => [ "OK" ] ); my $messagel = $message->add( 'Label', -text => ' ', -background => 'hotpink' )->pack(); $mw->repeat(10, sub{ if(scalar @ready == $numworkers){return} foreach my $set(1..$numworkers){ $actives{$set}{'label1'}-> configure(-text =>\$shash{$set}{'progress'}); if(($shash{$set}{'go'} == 0) and ($shash{$set}{'frame_open'} == 1)) { my $timekey = $shash{$set}{'timekey'}; $workers{ $timekey }{'frame'}->packForget; $shash{$set}{'frame_open'} = 0; push @ready, $workers{$timekey}{'setnum'}; if((scalar @ready) == 3) { } $workers{$timekey} = (); delete $workers{$timekey}; } } }); $mw->MainLoop; ################################################################### sub get_a_worker { my $timekey = shift; $hostd->configure( -textvariable => \$data); if ( $dialog->Show() eq 'Cancel' ) { return } #---------------------------------------------- #get an available frameset my $setnum; if($setnum = shift @ready){print "setnum->$setnum\n"} else{ print "no setnum available\n"; return} $workers{$timekey}{'setnum'} = $setnum; $shash{$setnum}{'timekey'} = $timekey; $workers{$timekey}{'frame'} = $actives{$setnum}{'frame'}; $workers{$timekey}{'frame'}->pack(-side =>'bottom', -fill => 'both' ); $workers{$timekey}{'stopbut'} = $actives{$setnum}{'stopbut'}; $workers{$timekey}{'stopbut'}->configure( -command => sub { $workers{$timekey}{'frame'}->packForget; $shash{ $workers{$timekey}{'setnum'} }{'go'} = 0; $shash{ $workers{$timekey}{'setnum'} }{'frame_open'} = 0; push @ready, $workers{$timekey}{'setnum'}; if((scalar @ready) == $numworkers) { } $workers{$timekey} = (); delete $workers{$timekey}; }); $workers{$timekey}{'label1'} = $actives{$setnum}{'label1'}; $workers{$timekey}{'label1'}->configure( -textvariable => \$shash{$setnum}{'progress'}, ); $workers{$timekey}{'label2'} = $actives{$setnum}{'label2'}; $workers{$timekey}{'label3'} = $actives{$setnum}{'label3'}; $workers{$timekey}{'label3'}->configure(-text => $timekey); $shash{$setnum}{'go'} = 1; $shash{$setnum}{'frame_open'} = 1; #--------end of get_file sub-------------------------- } ################################################################## sub work{ my $dthread = shift; $|++; while(1){ if($shash{$dthread}{'die'} == 1){ goto END }; if ( $shash{$dthread}{'go'} == 1 ){ eval( system( $shash{$dthread}{'data'} ) ); foreach my $num (1..100){ $shash{$dthread}{'progress'} = $num; print "\t" x $dthread,"$dthread->$num\n"; select(undef,undef,undef, .5); if($shash{$dthread}{'go'} == 0){last} if($shash{$dthread}{'die'} == 1){ goto END }; } $shash{$dthread}{'go'} = 0; #turn off self before returning }else { sleep 1 } } END: } #####################################################################

I'm not really a human, but I play one on earth. Cogito ergo sum a bum

In reply to Re^3: convert a single thread application to multithread with GUI by zentara
in thread convert a single thread application to multithread with GUI by ultibuzz

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