package Cdk::Menu;

@ISA = qw (Cdk);

#
# This creates a new Menu object.
#
sub new {
    my $type   = shift;
    my %params = @_;
    my $self   = {};
    my $name   = "${type}::new";

    # Retain the type of the object.
    $self->{'Type'} = $type;

    # Set up the parameters passed in.
    my $menuList = Cdk::checkReq( $name, "Menulist", $params{'Menulist'} );
    my $menuLoc  = Cdk::checkReq( $name, "Menuloc",  $params{'Menuloc'} );
    my $menuPos = Cdk::checkDef( $name, "Menupos", $params{'Menupos'}, "TOP" );
    my $titleAttr =
      Cdk::checkDef( $name, "Tattrib", $params{'Tattrib'}, "A_REVERSE" );
    my $subTitleAttr =
      Cdk::checkDef( $name, "SubTattrib", $params{'SubTattrib'}, "A_REVERSE" );

    # Create the thing.
    $self->{'Me'} =
      Cdk::Menu::New( $params{'Menulist'}, $params{'Menuloc'}, $titleAttr,
        $subTitleAttr, $menuPos );
    bless $self;
}

#
# This activates the object
#
sub activate {
    my $self   = shift;
    my %params = @_;
    my $name   = "$self->{'Type'}::activate";
    my $itemPicked;

    # Activatate the menu
    if ( defined $params{'Input'} ) {
        $itemPicked = Cdk::Menu::Activate( $self->{'Me'}, $params{'Input'} );
    }
    else {
        $itemPicked = Cdk::Menu::Activate( $self->{'Me'} );
    }

    return if !defined $itemPicked;

    $self->{'Info'} = $itemPicked;

    # Create the menu and submenu item values and return them.
    my $menuItem    = int( $itemPicked / 100 );
    my $submenuItem = ( $itemPicked % 100 ) + 1;

    # Return the two values.
    return ( ( $menuItem, $submenuItem, $itemPicked ) );
}

#
# This injects a character into the widget.
#
sub inject {
    my $self   = shift;
    my %params = @_;
    my $name   = "$self->{'Type'}::inject";

    # Set the values.
    my $character = Cdk::checkReq( $name, "Input", $params{'Input'} );

    return ( Cdk::Menu::Inject( $self->{'Me'}, $character ) );
}

#
# This sets several parameters of the widget.
#
sub set {
    my $self   = shift;
    my %params = @_;
    my $name   = "$self->{'Type'}::set";

    #
    # Check the parameters sent in.
    #
    if ( defined $params{'CurrentItem'} ) {
        Cdk::Menu::SetCurrentItem( $self->{'Me'}, $params{'CurrentItem'} );
    }
    if ( defined $params{'TitleHighlight'} ) {
        Cdk::Menu::SetTitleHighlight( $self->{'Me'},
            $params{'TitleHighlight'} );
    }
    if ( defined $params{'SubTitleHighlight'} ) {
        Cdk::Menu::SetSubTitleHighlight( $self->{'Me'},
            $params{'SubTitleHighlight'} );
    }
    if ( defined $params{'BGColor'} ) {
        Cdk::Menu::SetBackgroundColor( $self->{'Me'}, $params{'BGColor'} );
    }
}

#
# This draws the object.
#
sub draw {
    my $self   = shift;
    my %params = @_;
    my $name   = "$self->{'Type'}::draw";

    # Draw the object.
    Cdk::Menu::Draw( $self->{'Me'} );
}

#
# This erases the object.
#
sub erase {
    my $self = shift;
    Cdk::Menu::Erase( $self->{'Me'} );
}

#
# This allows us to bind a key to an action.
#
sub bind {
    my $self   = shift;
    my %params = @_;
    my $name   = "$self->{'Type'}::bind";

    # Set the values.
    my $key      = Cdk::checkReq( $name, "Key",      $params{'Key'} );
    my $function = Cdk::checkReq( $name, "Function", $params{'Function'} );
    Cdk::Menu::Bind( $self->{'Me'}, $params{'Key'}, $params{'Function'} );
}

#
# This allows us to set a pre-process function.
#
sub preProcess {
    my $self   = shift;
    my %params = @_;
    my $name   = "$self->{'Type'}::preProcess";

    # Set the values.
    my $function = Cdk::checkReq( $name, "Function", $params{'Function'} );
    Cdk::Menu::PreProcess( $self->{'Me'}, $params{'Function'} );
}

#
# This allows us to set a post-process function.
#
sub postProcess {
    my $self   = shift;
    my %params = @_;
    my $name   = "$self->{'Type'}::postProcess";

    # Set the values.
    my $function = Cdk::checkReq( $name, "Function", $params{'Function'} );
    Cdk::Menu::PostProcess( $self->{'Me'}, $params{'Function'} );
}

1;