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perl-tk 1:800.025-2
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#!/usr/local/bin/perl -w
use POSIX qw(getcwd);

use Tk;
# use Tk::ErrorDialog;
use Tk::DragDrop qw(Sun);
require Tk::Tiler;

{package Dragable;
 require Tk::Label;
 use Tk qw(Ev);
use base  qw(Tk::Label);
 Construct Tk::Widget Dragable;

 sub ClassInit
 {
  my ($class,$mw) = @_;
  $mw->bind($class,'<FocusIn>','Bell');
  return $class;
 }

 sub LabelInfo
 {
  my $w = shift;
  my @config = ();
  my $option; 
  foreach $option ($w->configure())
   {
    next if (@$option == 2 || !defined $$option[4]);
    next if (defined $$option[3] && $$option[3] eq $$option[4]);
    push(@config,$$option[0],$$option[4]);
   }
  return (@config);
 }

 sub new
  {my $class  = shift;
   my $parent = shift;
   my $obj = $parent->Label(@_,-takefocus => 1);
   # $obj->bind('<B1-Motion>',['DragDrop',Ev(['LabelInfo'])]);
   return bless $obj,$class;
  }

}

$icon_dir = Tk->findINC("demos/images");

%icons = ();

sub Edit
{
 my $w = shift;
 my $path = shift;
 if (-T $path)
  {
   fork || exec("$ENV{EDITOR} $path");
  }
}

sub choose_icon
{
 my $w    = shift;
 my $name = shift;
 my $icon = (-d $name) ? "dir" : ($name =~ /\.([^\.]+)$/) ? $1 : "page";
 if (!defined $icons{$icon})
  {
   my $file = "$icon_dir/$icon.xpm";
   if (-f "$file")
    {
     $icons{$icon} = $w->Pixmap($icon,-file=>"$file");
    }
   else
    {
     my $file = "$icon_dir/$icon.icon";              
     my $mask = "$icon_dir/$icon.mask";              
     $file = "$icon_dir/page.icon" unless (-f $file);
     $mask = "$icon_dir/page.mask" unless (-f $mask);
     $icons{$icon} = $w->Bitmap($icon,-file=> $file,-maskfile=>$mask); 
    }
   if ($icons{$icon}->width != 32)
    {
     $icons{$icon} = choose_icon($w,"page");
    }
  }
 return $icons{$icon};
}



sub handle_string
{my ($string,$offset,$max) = @_;
 return $string;
}

sub do_dir
{
 my $w   = shift; 
 my $dir = shift;
 opendir(DIR,$dir);
 my @files = readdir(DIR);
 closedir(DIR);
 my @windows = ();
 my $width  = 0;
 my $height = 0;
 my @win    = ();
 foreach (sort @files)
  {
   next if (/^\.*$/);
   my $path = "$dir/$_";
   my $f = $w->Frame();
   my $i = $f->Dragable(-image=> choose_icon($w,$path));
   $i->DragDrop(-image => $i->cget('-image'),-handlers => [[-type =>'FILE_NAME',[\&handle_string,"$dir/$_"]]]);
   my $l = $f->Label(-text=> $_);
   $i->bind('<FocusIn>','break');
   $i->pack(-side=>'top');
   $l->pack(-side=>'bottom',-fill=> 'x');
   if (-d $path)
    {
     $w->Manage($f);
    }
   else
    {
     $i->bind('<Double-1>',[\&Edit,$path]);
     push(@win,$f);
    }
  }
 $w->Manage(@win);
}

$dir = (@ARGV) ? shift : getcwd();

$top = MainWindow->new();

$t   = $top->Tiler();
$t->pack(-side=>'right',-fill=>'both',-expand=>1);
$top->AddScrollbars($t);
$top->configure('-scrollbars' => 'w');
do_dir($t,$dir);

$t->update;

$t->focus;

MainLoop;