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|
#!/usr/local/bin/perl -w
use Tk;
# one way of doing menu bars that a collegue has come up with
# not official in any manner yet.
{
package MenuBar;
sub new
{
my $class = shift;
my($parent,@args) = @_;
my $me;
my $f = $parent->Frame('-relief' => "raised", '-bd' => 1 );
$me = bless \$f;
for($i = 0 ; $i < scalar(@args) ; $i += 2)
{
$me->add($args[$i],$args[$i+1],'-side' => "left");
}
$f->pack('-side' => "top");
return $me;
}
sub add
{
my($me,$name,$defn,@args) = @_;
my $b = ${$me}->Menubutton( '-text' => $name, '-underline' => 0 );
my $m = create_menu($b,$defn);
$b->configure('-menu' => $m);
$b->pack(@args);
${$me}->pack();
}
sub create_menu
{
my($b,$defn) = @_;
my $m = $b->Menu();
foreach $elem (@{$defn})
{
if(ref($elem) && ref($elem) eq 'ARRAY' && defined($elem->[0]))
{
if(defined($elem->[1]) && ref($elem->[1]) && ref($elem->[1]) eq 'ARRAY')
{
$m->cascade('-label' => $elem->[0],
'-menu' => create_menu($m,$elem->[1])
);
}
else
{
my $state = (defined($elem->[2]) && $elem->[2] == 0) ? 'disabled'
: 'normal';
if(defined($elem->[3]) && ref($elem->[3]) eq 'SCALAR')
{
$m->checkbutton('-label' => $elem->[0],
'-variable' => $elem->[3],
'-state' => $state
);
}
else
{
$m->command('-label' => $elem->[0],
'-state' => $state
);
}
}
}
else
{
$m->separator;
}
}
return $m;
}
}
$top = MainWindow->new();
$bar = MenuBar->new($top,@menus::menu);
Tk::MainLoop; #tkmainloop;
exit;
BEGIN {
package menus;
$SEPARATOR = undef;
$xile = [
["Open File...\t\tX" ,'find-file' ],
["Open File (Read Only)...\tY" ,'find-file' ],
["Open File (New Screen)..." ,'find-file-new-screen' ],
["Open Alternate File..." ,'find-alternate-file' ],
$SEPARATOR,
["Include File..." ,'insert-file' ],
$SEPARATOR,
["Toggle Read Only" ,'toggle-read-only' ],
$SEPARATOR,
["Save Buffer" ,'save-buffer' ],
["Save Buffer As..." ,'write-file' ],
["Save Some Buffers" ,'save-some-buffers' ],
["Save Region As..." ,'write-region' ],
["Revert Buffer" ,'revert-buffer' ],
$SEPARATOR,
["Print Buffer" ,'lpr-buffer' ],
["Print Region" ,'lpr-region' ],
$SEPARATOR,
["Kill Buffer..." ,'kill-buffer' ],
["Exit Emacs" ,'save-buffers-kill-emacs' ]
];
$readonly = 0;
$file = [
["Open File..." ,$xile ],
["Open File (Read Only)..." ,'find-file' ],
["Open File (New Screen)..." ,'find-file-new-screen' ],
["Open Alternate File..." ,'find-alternate-file' ],
$SEPARATOR,
["Include File..." ,'insert-file' ],
$SEPARATOR,
["Toggle Read Only" ,'toggle-read-only' ,1,\$readonly],
$SEPARATOR,
["Save Buffer" ,'save-buffer' ],
["Save Buffer As..." ,'write-file' ],
["Save Some Buffers" ,'save-some-buffers' ],
["Save Region As..." ,'write-region' ],
["Revert Buffer" ,'revert-buffer' ],
$SEPARATOR,
["Print Buffer" ,'lpr-buffer' ],
["Print Region" ,'lpr-region' ],
$SEPARATOR,
["Kill Buffer..." ,'kill-buffer' ],
["Exit Emacs" ,'save-buffers-kill-emacs' ]
];
$screen = [
["New Screen" ,'x-new-screen' ,1],
["Delete Screen" ,'delete-screen' ,0],
["One Screen" ,'one-screen' ,1],
$SEPARATOR,
["Split" ,'split-window-vertically' ,1],
["Un-split (Keep This)" ,'delete-other-windows' ,1],
["Un-split (Keep Others)" ,'delete-window' ,1],
$SEPARATOR,
["Enlarge current window" ,'enlarge-window', ,1],
["Shrink current window" ,'shrink-window', ,1],
$SEPARATOR,
["Save Configuration..." ,'window-config-to-register' ,1],
["Restore Configuration..." ,'register-to-window-config' ,1],
$SEPARATOR,
["(Un)Truncate Lines" ,'hscroll-truncate-lines' ,1]
];
@menu = ( "File" => $file,
"Screen" => $screen,
"Another Screen" => $screen
);
}
|
