shift
このスクリプトで-のsome-key
組み合わせをキャッチするにはどうすればよいですか?
矢印キーを押すと期待どおりの結果が得られますが、押しても値が返されませshift
ん。 tab
KEY_BTAB
use warnings;
use 5.12.0;
use Win32::Console qw(STD_INPUT_HANDLE ENABLE_MOUSE_INPUT);
use constant {
RIGHT_ALT_PRESSED => 0x0001,
LEFT_ALT_PRESSED => 0x0002,
RIGHT_CTRL_PRESSED => 0x0004,
LEFT_CTRL_PRESSED => 0x0008,
SHIFT_PRESSED => 0x0010,
VK_LEFT => 0x25,
VK_UP => 0x26,
VK_RIGHT => 0x27,
VK_DOWN => 0x28,
VK_TAB => 0x09,
};
use constant SHIFTED_MASK =>
RIGHT_ALT_PRESSED |
LEFT_ALT_PRESSED |
RIGHT_CTRL_PRESSED |
LEFT_CTRL_PRESSED |
SHIFT_PRESSED;
my %d = (
KEY_DOWN => 258,
KEY_UP => 259,
KEY_LEFT => 260,
KEY_RIGHT => 261,
KEY_BTAB => 353,
);
my $con_in = Win32::Console->new(STD_INPUT_HANDLE);
$con_in->Mode(ENABLE_MOUSE_INPUT);
while ( 1 ) {
my $key = getch();
say "<$key>";
last if $key == 113;
}
sub getch {
my @event = $con_in->Input();
my $event_type = shift( @event );
if ( defined $event_type and $event_type == 1 ) {
my ( $key_down, $repeat_c, $vkcode, $vsccode, $char, $ctrl_ks ) = @event;
if ( $char ) {
return $char;
}
else {
if ( $vkcode == VK_UP and ( $ctrl_ks & SHIFTED_MASK ) == 0 ) {
return $d{KEY_UP};
}
elsif ( $vkcode == VK_DOWN and ( $ctrl_ks & SHIFTED_MASK ) == 0 ) {
return $d{KEY_DOWN};
}
elsif ( $vkcode == VK_RIGHT and ( $ctrl_ks & SHIFTED_MASK ) == 0 ) {
return $d{KEY_RIGHT};
}
elsif ( $vkcode == VK_LEFT and ( $ctrl_ks & SHIFTED_MASK ) == 0 ) {
return $d{KEY_LEFT};
}
elsif ( $vkcode == VK_TAB and $ctrl_ks == SHIFT_PRESSED ) {
return $d{KEY_BTAB}; # <--
}
else {
say "beep";
}
}
}
}
と を押すshift
と出力tab
:
ビープ
<1>
<9>
<9>
ビープ
<1>
getch
このようにルーチンを編集した後
sub getch {
my @event = $con_in->Input();
my $event_type = shift( @event );
if ( defined $event_type and $event_type == 1 ) {
my ( $key_down, $repeat_count, $virtual_keycode, $virtual_scancode, $char, $ctrl_key_state ) = @event;
if ( $char ) {
if ( $key_down ) {
return $char for $repeat_count;
}
}
else {
if ( $virtual_keycode == VK_UP and ( $ctrl_key_state & SHIFTED_MASK ) == 0 ) {
if ( $key_down ) {
return $d{KEY_UP} for $repeat_count;
}
}
elsif ( $virtual_keycode == VK_DOWN and ( $ctrl_key_state & SHIFTED_MASK ) == 0 ) {
if ( $key_down ) {
return $d{KEY_DOWN} for $repeat_count;
}
}
elsif ( $virtual_keycode == VK_RIGHT and ( $ctrl_key_state & SHIFTED_MASK ) == 0 ) {
if ( $key_down ) {
return $d{KEY_RIGHT} for $repeat_count;
}
}
elsif ( $virtual_keycode == VK_LEFT and ( $ctrl_key_state & SHIFTED_MASK ) == 0 ) {
if ( $key_down ) {
return $d{KEY_LEFT} for $repeat_count;
}
}
elsif ( $virtual_keycode == VK_TAB and ( $ctrl_key_state & SHIFTED_MASK ) == SHIFT_PRESSED ) {
if ( $key_down ) {
return $d{KEY_BTAB} for $repeat_count;
}
}
else {
say "beep";
}
}
}
}
次の出力が得られます:
beep
<1>
<9>
<0>
beep
<1>