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#!/tools/local/perl -w
use strict;
use Tk;
use Unicode::UCD qw(charinfo charblock);
use Tk::widgets qw(TixGrid ItemStyle Font);
use Carp;
#$SIG{__WARN__} = \&Carp::confess;
eval { require Unicode::Unihan };
my $unihan;
my %info = %{charinfo(ord(' '))};
if (defined $Unicode::Unihan::VERSION)
{
$unihan = Unicode::Unihan->new;
$info{Definition} = '';
}
my $mw = MainWindow->new;
my $page = 0;
my $pagehex = '0x00';
my $tp = $mw->Frame->pack(-fill => 'x');
my $l = $tp->Label(-text => 'Page:',-justify => 'right',-anchor => 'e');
my $s = $tp->Spinbox(-width => 4, -to => 255, -from => 0, -format => "%3.0f", -textvariable => \$page,-justify => 'left');
my $h = $tp->Label(-width => 4, -textvariable => \$pagehex, -justify => 'left');
Tk::grid($l,$s,$h,-sticky => 'ew');
$s->configure(-command =>\&set_page);
my $uf = $mw->fontCreate(-family => 'lucida sans', -size => 16);
my $lf = $mw->fontCreate(-family => 'courier', -size => 12);
print join(' ',$mw->fontActual($uf)),"\n";
my $grid = $mw->Scrolled( TixGrid => -width => 17, -height => 17,
-scrollbars => 'w',
-browsecmd => \&browse,
-formatcmd => \&doFormat,
-leftmargin => 1,
-topmargin => 1,
-selectunit => 'cell',
-itemtype => 'text')
->pack(-fill => 'both', -expand => 1);
my $bt = $mw->Frame->pack(-fill => 'x');
my @foot;
my $row = 0;
my $col = 0;
foreach my $key (sort keys %info)
{
my $l = $bt->Label(-text => $key, -justify => 'right', -anchor => 'e');
my $v = $bt->Label(-textvariable => \$info{$key}, -justify => 'left', -anchor => 'w');
Tk::grid($l,-row =>$row,-column => $col,-sticky => 'w');
Tk::grid($v,-row =>$row,-column => $col+1,-sticky => 'ew');
$bt->gridColumnconfigure($col+1,-weight => 1);
$col += 2;
if ($col >= 6)
{
$row++;
$col = 0;
}
}
my $header = $grid->ItemStyle('text', -font => $lf);
my $uni = $grid->ItemStyle('text', -font => $uf, -justify => 'center');
$grid->sizeRow('default',-size => 'auto',-pad0 => 0, -pad1 => 0);
$grid->sizeColumn('default',-size => 'auto',-pad0 => 0, -pad1 => 0);
for my $i (0x0..0xf)
{
$grid->set($i+1,0,-itemtype => 'text', -style => $header,
-text => sprintf("0x%04X",$i));
}
my @page;
$row = 1;
for (my $base = 0; $base < 0x10000; $base += 16)
{
$grid->set(0,$row++,-itemtype => 'text', -style => $header,
-text => sprintf("0x%04X",$base));
}
$mw->update;
$mw->packPropagate(0);
MainLoop;
sub fill_row
{
my ($row) = @_;
my $base = ($row-1) << 4;
my $seen = 0;
my $block = charblock($base);
return 0 if !defined($block) || $block =~ /Surrogate/i;
for my $i (0x0..0xf)
{
my $u = $base + $i;
my $info = charinfo($u);
if (keys(%$info))
{
$seen++;
my $c = chr($u);
$grid->set($i+1,$row,-style => $uni, -text => $c);
}
}
if ($seen)
{
if (!defined($block))
{
warn "$base has no block but saw $seen\n";
}
}
return $seen;
}
my @filled;
sub doFormat
{
my ($area,$x1,$y1,$x2,$y2) = @_;
if ($area =~ /([xys])_margin/)
{
# s = The top corner, x = left margin, y = top margin ?
my $rel = ($1 eq 's') ? 'flat' : 'sunken';
$grid->formatBorder($x1,$y1,$x2,$y2,-relief => $rel, -bd => 2);
}
elsif ($area eq 'main')
{
for my $row ($y1..$y2)
{
unless ($filled[$row]++)
{
fill_row($row);
}
}
$grid->formatGrid($x1,$y1,$x2,$y2,-relief => 'raised', -bd => 2);
}
else
{
print "format @_\n";
}
}
sub browse
{
my ($row,$col) = @_;
my $c = eval { $grid->entrycget($row,$col,'-text') };
if (defined $c)
{
my $u = ord($c);
my $h = charinfo($u);
foreach my $k (keys %$h)
{
$info{$k} = $h->{$k};
}
$info{Definition} = $unihan->Definition($c) if $unihan;
}
}
sub set_page
{
my ($e) = @_;
$pagehex = sprintf("0x%02X",$page);
$grid->see(0,($page << 4)+1);
}
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