1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
#!/usr/bin/env perl
use SDL;
use SDL::App;
use SDL::Event;
my %options;
die <<USAGE if ( in $ARGV[0], qw/ -? -h --help /);
usage: $0 [-hw] [-fullscreen] [-width 640] [-height 480] [-bpp 24]
USAGE
for ( 0 .. @ARGV-1 )
{
$options{$ARGV[$_]} = $ARGV[$_ + 1] || 1;
}
$options{-flags} = SDL_SWSURFACE;
$options{-flags} |= SDL_HWPALETTE if ( $options{-hw} );
$options{-flags} |= SDL_FULLSCREEN if ( $options{-fullscreen} );
$options{-title} = $0;
$options{-width} ||= 640;
$options{-height} ||= 480;
$options{-depth} ||= $options{-bpp} || 24;
my $app = new SDL::App %options;
# SDL::EventState(SDL_KEYUP,SDL_DISABLE);
sub print_modifiers
{
$mod = SDL::GetModState();
print " modifiers:",
($mod & KMOD_LSHIFT) ? " LSHIFT" : "",
($mod & KMOD_RSHIFT) ? " RSHIFT" : "",
($mod & KMOD_LCTRL) ? " LCTRL" : "",
($mod & KMOD_RCTRL) ? " RCTRL" : "",
($mod & KMOD_LALT) ? " LALT" : "",
($mod & KMOD_RALT) ? " RALT" : "",
($mod & KMOD_LMETA) ? " LMETA" : "",
($mod & KMOD_RMETA) ? " RMETA" : "",
($mod & KMOD_CAPS) ? " CAPS" : "",
($mod & KMOD_NUM) ? " NUM" : "",
($mod & KMOD_MODE) ? " MODE" : "",
"\n" ;
}
sub print_key
{
my ($e) = @_;
print "pressed " if (SDL::KeyEventState($e) == SDL_PRESSED);
print "released " if ( SDL::KeyEventState($e) == SDL_RELEASED);
my $sym = SDL::KeyEventSym($e);
if ($sym) {
print SDL::GetKeyName($sym);
} else {
printf "Unknown Key (scancode = %d) ", SDL::KeyEventScanCode($e);
}
}
my $event = new SDL::Event;
my $done = 0;
$process_keys = sub {
print_key($_[0]);
print_modifiers();
};
my %events = (
SDL_KEYUP() => $process_keys,
SDL_KEYDOWN() => $process_keys,
SDL_QUIT() => sub { $done = 1; },
);
while (!$done && $event->wait())
{
if ( $events{$event->type()}) {
&{$events{$event->type()}}($event->{-event});
}
};
|
