13 use Data::Dump qw/dump/;
15 my ( $w, $h ) = ( 800, 480 );
17 our $app = SDL::App->new(
21 # -flags=>SDL_DOUBLEBUF | SDL_HWSURFACE | SDL_HWACCEL,
22 -title => 'Trace mouse',
25 our $event = SDL::Event->new;
29 our $white = SDL::Color->new( 0xff, 0xff, 0xff );
33 while ( $event->wait ) {
34 my $type = $event->type();
36 if ( $type == SDL_MOUSEBUTTONDOWN() ) {
37 warn "mouse down ", $event->button_x, ' ', $event->button_y;
39 } elsif ( $type == SDL_MOUSEBUTTONUP() ) {
40 warn "mouse up ", $event->button_x, ' ', $event->button_y;
42 } elsif ( $type == SDL_QUIT() ) {
44 } elsif ( $type == SDL_KEYDOWN() ) {
45 warn "key down ", $event->key_name,$/;
46 exit if $event->key_name =~ m/^[xq]$/;
47 } elsif ( $type == SDL_KEYUP() ) {
48 warn "key up ", $event->key_name,$/;
49 } elsif ( $type == SDL_MOUSEMOTION() ) {
50 # warn "mouse ", $event->motion_xrel, ' ', $event->motion_yrel;
51 warn "mouse $mouse_down @ ", $event->motion_x, ' ', $event->motion_y;
53 my $rect = SDL::Rect->new( -x => $event->motion_x, -y => $event->motion_y, -w => 3, -h => 3 );
54 $app->fill( $rect, $white );
55 $app->update( $rect );
58 warn "unknown $type\n";