view release on metacpan or  search on metacpan

lib/App/Asciio/GTK/Asciio.pm  view on Meta::CPAN

my $self = App::Asciio::new($class) ;
bless $self, $class ;

$self->{KEYS}{K} = {%Gtk2::Gdk::Keysyms} ;
$self->{KEYS}{C}= {map{$self ->{KEYS}{K}{$_} => $_} keys %{$self->{KEYS}{K}}} ;

my $drawing_area = Gtk2::DrawingArea->new;

$self->{widget} = $drawing_area ;

$drawing_area->can_focus(TRUE) ;

$drawing_area->signal_connect(configure_event => \&configure_event, $self);
$drawing_area->signal_connect(expose_event => \&expose_event, $self);
$drawing_area->signal_connect(motion_notify_event => \&motion_notify_event, $self);
$drawing_area->signal_connect(button_press_event => \&button_press_event, $self);
$drawing_area->signal_connect(button_release_event => \&button_release_event, $self);
$drawing_area->signal_connect(key_press_event => \&key_press_event, $self);

$drawing_area->set_events
		([qw/
		exposure-mask
		leave-notify-mask
		button-press-mask
		button-release-mask
		pointer-motion-mask
		key-press-mask
		key-release-mask
		/]);

$self->event_options_changed() ;

return($self) ;
}

#-----------------------------------------------------------------------------

sub destroy
{
my ($self) = @_;

$self->{widget}->get_toplevel()->destroy() ;
}

#-----------------------------------------------------------------------------

sub set_title
{
my ($self, $title) = @_;

$self->SUPER::set_title($title) ;

if(defined $title)
	{
	$self->{widget}->get_toplevel()->set_title($title . ' - asciio') ;
	}
}

#-----------------------------------------------------------------------------

sub set_font
{
my ($self, $font_family, $font_size) = @_;

$self->SUPER::set_font($font_family, $font_size) ;

$self->{widget}->modify_font
	(
	Gtk2::Pango::FontDescription->from_string 
		(
		$self->{FONT_FAMILY} . ' ' . $self->{FONT_SIZE}
		)
	);
}

#-----------------------------------------------------------------------------

sub update_display 
{
my ($self) = @_;

$self->SUPER::update_display() ;

my $widget = $self->{widget} ;
$widget->queue_draw_area(0, 0, $widget->allocation->width,$widget->allocation->height);
}

#-----------------------------------------------------------------------------

sub configure_event 
{
my ($widget, $event, $self) = @_;

$self->{PIXMAP} = Gtk2::Gdk::Pixmap->new 
			(
			$widget->window,
			$widget->allocation->width, $widget->allocation->height,
			-1
			);
			
$self->{WINDOW_SIZE} = [$widget->allocation->width, $widget->allocation->height] ;

$self->{PIXMAP}->draw_rectangle
		(
		$widget->get_style->base_gc ($widget->state),
		TRUE, 0, 0, $widget->allocation->width,
		$widget->allocation->height
		);
		
return TRUE;
}

#-----------------------------------------------------------------------------

sub expose_event
{
my ($widget, $event, $self) = @_;

my $gc = Gtk2::Gdk::GC->new($self->{PIXMAP});

# draw background
$gc->set_foreground($self->get_color('background'));

$self->{PIXMAP}->draw_rectangle
		(
		$gc,	TRUE,
		0, 0,