1 files changed, 56 insertions, 0 deletions
diff --git a/prev/common_unix.go b/prev/common_unix.go
new file mode 100644
index 0000000..d88afbb
--- /dev/null
+++ b/prev/common_unix.go
@@ -0,0 +1,56 @@
+// +build !windows,!darwin
+
+// 7 july 2014
+
+package ui
+
+import (
+	"unsafe"
+)
+
+// #include "gtk_unix.h"
+// /* because cgo doesn't like g_signal_connect() */
+// void gSignalConnect(gpointer obj, gchar *sig, GCallback callback, gpointer data)
+// {
+// 	g_signal_connect(obj, sig, callback, data);
+// }
+// void gSignalConnectAfter(gpointer obj, gchar *sig, GCallback callback, gpointer data)
+// {
+// 	g_signal_connect_after(obj, sig, callback, data);
+// }
+import "C"
+
+func fromgstr(s *C.gchar) string {
+	return C.GoString((*C.char)(unsafe.Pointer(s)))
+}
+
+func togstr(s string) *C.gchar {
+	return (*C.gchar)(unsafe.Pointer(C.CString(s)))
+}
+
+func freegstr(s *C.gchar) {
+	C.free(unsafe.Pointer(s))
+}
+
+func fromgbool(b C.gboolean) bool {
+	return b != C.FALSE
+}
+
+func togbool(b bool) C.gboolean {
+	if b == true {
+		return C.TRUE
+	}
+	return C.FALSE
+}
+
+func g_signal_connect(object C.gpointer, name string, to C.GCallback, data C.gpointer) {
+	cname := togstr(name)
+	defer freegstr(cname)
+	C.gSignalConnect(object, cname, to, data)
+}
+
+func g_signal_connect_after(object C.gpointer, name string, to C.GCallback, data C.gpointer) {
+	cname := togstr(name)
+	defer freegstr(cname)
+	C.gSignalConnectAfter(object, cname, to, data)
+}