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bfd90409 |
1 | #!/usr/bin/env perl |
2 | # |
3 | # checkkeys.pl |
4 | # |
5 | # Copyright (C) 2005 David J. Goehrig <dgoehrig@cpan.org> |
6 | # |
7 | # ------------------------------------------------------------------------------ |
8 | # |
9 | # This library is free software; you can redistribute it and/or |
10 | # modify it under the terms of the GNU Lesser General Public |
11 | # License as published by the Free Software Foundation; either |
12 | # version 2.1 of the License, or (at your option) any later version. |
13 | # |
14 | # This library is distributed in the hope that it will be useful, |
15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | # Lesser General Public License for more details. |
18 | # |
19 | # You should have received a copy of the GNU Lesser General Public |
20 | # License along with this library; if not, write to the Free Software |
21 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
22 | # |
23 | # ------------------------------------------------------------------------------ |
24 | # |
25 | # Please feel free to send questions, suggestions or improvements to: |
26 | # |
27 | # David J. Goehrig |
28 | # dgoehrig@cpan.org |
29 | # |
30 | |
31 | use SDL; |
32 | use SDL::App; |
33 | use SDL::Event; |
34 | |
35 | my %options; |
36 | |
37 | $options{-flags} = SDL_SWSURFACE; |
38 | $options{-title} = $0; |
39 | $options{-width} ||= 640; |
40 | $options{-height} ||= 480; |
41 | $options{-depth} ||= $options{-bpp} || 24; |
42 | |
43 | my $app = new SDL::App %options; |
44 | |
45 | # SDL::EventState(SDL_KEYUP,SDL_DISABLE); |
46 | |
47 | sub print_modifiers |
48 | { |
49 | $mod = SDL::GetModState(); |
50 | |
51 | print " modifiers:", |
52 | ($mod & KMOD_LSHIFT) ? " LSHIFT" : "", |
53 | ($mod & KMOD_RSHIFT) ? " RSHIFT" : "", |
54 | ($mod & KMOD_LCTRL) ? " LCTRL" : "", |
55 | ($mod & KMOD_RCTRL) ? " RCTRL" : "", |
56 | ($mod & KMOD_LALT) ? " LALT" : "", |
57 | ($mod & KMOD_RALT) ? " RALT" : "", |
58 | ($mod & KMOD_LMETA) ? " LMETA" : "", |
59 | ($mod & KMOD_RMETA) ? " RMETA" : "", |
60 | ($mod & KMOD_CAPS) ? " CAPS" : "", |
61 | ($mod & KMOD_NUM) ? " NUM" : "", |
62 | ($mod & KMOD_MODE) ? " MODE" : "", |
63 | "\n" ; |
64 | } |
65 | |
66 | sub print_key |
67 | { |
68 | my ($e) = @_; |
69 | |
70 | print "pressed " if (SDL::KeyEventState($e) == SDL_PRESSED); |
71 | print "released " if ( SDL::KeyEventState($e) == SDL_RELEASED); |
72 | |
73 | my $sym = SDL::KeyEventSym($e); |
74 | |
75 | if ($sym) { |
76 | print SDL::GetKeyName($sym); |
77 | } else { |
78 | printf "Unknown Key (scancode = %d) ", SDL::KeyEventScanCode($e); |
79 | } |
80 | |
81 | } |
82 | |
83 | my $event = new SDL::Event; |
84 | |
85 | my $done = 0; |
86 | |
87 | $process_keys = sub { |
88 | print_key($_[0]); |
89 | print_modifiers(); |
90 | }; |
91 | |
92 | my %events = ( |
93 | SDL_KEYUP() => $process_keys, |
94 | SDL_KEYDOWN() => $process_keys, |
95 | SDL_QUIT() => sub { $done = 1; }, |
96 | ); |
97 | |
98 | while (!$done && $event->wait()) |
99 | { |
100 | if ( $events{$event->type()}) { |
101 | &{$events{$event->type()}}($$event); |
102 | } |
103 | }; |
104 | |