1 files changed, 77 insertions, 0 deletions
diff --git a/PerlQt/lib/Qt/signals.pm b/PerlQt/lib/Qt/signals.pm
new file mode 100644
index 0000000..00aa061
--- /dev/null
+++ b/PerlQt/lib/Qt/signals.pm
@@ -0,0 +1,77 @@
+package Qt::signals;
+use Carp;
+#
+# Proposed usage:
+#
+# use Qt::signals fooActivated => ['int'];
+#
+# use Qt::signals fooActivated => {
+#     name => 'fooActivated(int)',
+#     args => ['int']
+# };
+#
+# sub whatever { emit fooActivated(10); }
+#
+
+sub import {
+    no strict 'refs';
+    my $self = shift;
+    my $caller = $self eq "Qt::signals" ? (caller)[0] : $self;
+    my $parent = ${ $caller . '::ISA' }[0];
+    my $parent_qt_emit = $parent . '::qt_emit';
+
+    Qt::_internal::installqt_invoke($caller . '::qt_emit') unless defined &{ $caller. '::qt_emit' };
+
+#    *{ $caller . '::qt_emit' } = sub {
+#	my $meta = \%{ $caller . '::META' };
+#	die unless $meta->{object};
+#	my $offset = $_[0] - $meta->{object}->signalOffset;
+#	if($offset >= 0) {
+#	    Qt::_internal::invoke(Qt::this(), $meta->{signals}[$offset], $_[1]);
+#	    return 1;
+#	} else {
+#	    Qt::this()->$parent_qt_emit(@_);
+#	}
+#    } unless defined &{ $caller . '::qt_emit' };
+
+    my $meta = \%{ $caller . '::META' };
+    croak "Odd number of arguments in signal declaration" if @_%2;
+    my(%signals) = @_;
+    for my $signalname (keys %signals) {
+	my $signal = { name => $signalname };
+	my $args = $signals{$signalname};
+	$signal->{arguments} = [map { s/\s(?=[*&])//; { type => $_, name => "" } } @$args];
+	my $arglist = join ',', @$args;
+	$signal->{prototype} = $signalname . "($arglist)";
+	$signal->{returns} = 'void';
+	$signal->{method} = $signalname;
+	push @{$meta->{signals}}, $signal;
+	my $signal_index = $#{ $meta->{signals} };
+
+	my $argcnt = scalar @$args;
+	my $mocargs = Qt::_internal::allocateMocArguments($argcnt);
+	my $i = 0;
+	for my $arg (@$args) {
+	    my $a = $arg;
+	    $a =~ s/^const\s+//;
+	    if($a =~ /^(bool|int|double|char\*|QString)&?$/) {
+		$a = $1;
+	    } else {
+		$a = 'ptr';
+	    }
+	    my $valid = Qt::_internal::setMocType($mocargs, $i, $arg, $a);
+	    die "Invalid type for signal argument ($arg)\n" unless $valid;
+	    $i++;
+	}
+
+	$meta->{signal}{$signalname} = $signal;
+	$signal->{index} = $signal_index;
+	$signal->{mocargs} = $mocargs;
+	$signal->{argcnt} = $argcnt;
+
+	Qt::_internal::installsignal("$caller\::$signalname");
+    }
+    @_ and $meta->{changed} = 1;
+}
+
+1;