diff --git a/src/perl/common/Themes.xs b/src/perl/common/Themes.xs
new file mode 100644
index 00000000..d8a140ac
--- /dev/null
+++ b/src/perl/common/Themes.xs
@@ -0,0 +1,117 @@
+MODULE = Irssi  PACKAGE = Irssi
+
+void
+theme_register(formats)
+	SV *formats
+PREINIT:
+	AV *av;
+	SV *sv;
+	FORMAT_REC *formatrecs;
+	char *key, *value;
+	int len, n, fpos, count;
+CODE:
+
+        if (!SvROK(formats))
+        	croak("formats is not a reference to list");
+	av = (AV *) SvRV(formats);
+	len = av_len(av)+1;
+	if (len == 0 || (len & 1) != 0)
+        	croak("formats list is invalid - not dividable by 3 (%d)", len);
+
+	formatrecs = g_new0(FORMAT_REC, len/2+2);
+	formatrecs[fpos].tag = g_strdup(perl_get_package());
+	formatrecs[fpos].def = g_strdup("Perl script");
+
+        for (fpos = 1, n = 0; n < len; n++, fpos++) {
+		key = SvPV(*av_fetch(av, n, 0), PL_na); n++;
+		value = SvPV(*av_fetch(av, n, 0), PL_na);
+
+		formatrecs[fpos].tag = g_strdup(key);
+		formatrecs[fpos].def = g_strdup(value);
+		formatrecs[fpos].params = MAX_FORMAT_PARAMS;
+	}
+
+	theme_register_module(perl_get_package(), formatrecs);
+
+void
+printformat(server, target, level, format, ...)
+	Irssi::Server server
+	char *target
+	int level
+	char *format
+PREINIT:
+	TEXT_DEST_REC dest;
+	char *arglist[MAX_FORMAT_PARAMS];
+	int n;
+CODE:
+	format_create_dest(&dest, server, target, level, NULL);
+	memset(arglist, 0, sizeof(arglist));
+	for (n = 4; n < 4+MAX_FORMAT_PARAMS; n++) {
+		arglist[n-4] = n < items ? SvPV(ST(n), PL_na) : "";
+	}
+
+        printformat_perl(&dest, format, arglist);
+
+void
+printformat_window(window, level, format, ...)
+	Irssi::Window window
+	int level
+	char *format
+PREINIT:
+	TEXT_DEST_REC dest;
+	char *arglist[MAX_FORMAT_PARAMS];
+	int n;
+CODE:
+	format_create_dest(&dest, NULL, NULL, level, window);
+	memset(arglist, 0, sizeof(arglist));
+	for (n = 3; n < 3+MAX_FORMAT_PARAMS; n++) {
+		arglist[n-3] = n < items ? SvPV(ST(n), PL_na) : "";
+	}
+
+        printformat_perl(&dest, format, arglist);
+
+#*******************************
+MODULE = Irssi	PACKAGE = Irssi::Server
+#*******************************
+
+void
+printformat(server, target, level, format, ...)
+	Irssi::Server server
+	char *target
+	int level
+	char *format
+PREINIT:
+	TEXT_DEST_REC dest;
+	char *arglist[MAX_FORMAT_PARAMS];
+	int n;
+CODE:
+	format_create_dest(&dest, server, target, level, NULL);
+	memset(arglist, 0, sizeof(arglist));
+	for (n = 4; n < 4+MAX_FORMAT_PARAMS; n++) {
+		arglist[n-4] = n < items ? SvPV(ST(n), PL_na) : "";
+	}
+
+        printformat_perl(&dest, format, arglist);
+
+#*******************************
+MODULE = Irssi	PACKAGE = Irssi::Windowitem
+#*******************************
+
+void
+printformat(item, level, format, ...)
+	Irssi::Windowitem item
+	int level
+	char *format
+PREINIT:
+	TEXT_DEST_REC dest;
+	char *arglist[MAX_FORMAT_PARAMS];
+	int n;
+CODE:
+	format_create_dest(&dest, item->server, item->name, level, NULL);
+	memset(arglist, 0, sizeof(arglist));
+	for (n = 3; n < 3+MAX_FORMAT_PARAMS; n++) {
+		arglist[n-3] = n < items ? SvPV(ST(n), PL_na) : "";
+	}
+
+        printformat_perl(&dest, format, arglist);
+