1 files changed, 39 insertions, 0 deletions
diff --git a/objc_darwin.go b/objc_darwin.go
new file mode 100644
index 0000000..15027e4
--- /dev/null
+++ b/objc_darwin.go
@@ -0,0 +1,39 @@
+// 28 february 2014
+
+package ui
+
+import (
+	"unsafe"
+)
+
+// #include <stdlib.h>
+// #include "objc_darwin.h"
+import "C"
+
+func toNSString(str string) C.id {
+	cstr := C.CString(str)
+	defer C.free(unsafe.Pointer(cstr))
+
+	return C.toNSString(cstr)
+}
+
+func fromNSString(str C.id) string {
+	return C.GoString(C.fromNSString(str))
+}
+
+func toBOOL(what bool) C.BOOL {
+	if what {
+		return C.YES
+	}
+	return C.NO
+}
+
+// These consolidate the NSScrollView code (used by listbox_darwin.go and area_darwin.go) into a single place.
+
+func makeScrollView(content C.id) C.id {
+	return C.makeScrollView(content)
+}
+
+func getScrollViewContent(scrollview C.id) C.id {
+	return C.scrollViewContent(scrollview)
+}