1 files changed, 58 insertions, 0 deletions
diff --git a/control_darwin.go b/control_darwin.go
new file mode 100644
index 0000000..b3b3dcf
--- /dev/null
+++ b/control_darwin.go
@@ -0,0 +1,58 @@
+// 30 july 2014
+
+package ui
+
+// #include "objc_darwin.h"
+import "C"
+
+// all Controls that call base methods must be this
+type controlPrivate interface {
+	id() C.id
+	Control
+}
+
+type controlParent struct {
+	id	C.id
+}
+
+func basesetParent(c controlPrivate, p *controlParent) {
+	// redrawing the new window handled by C.parent()
+	C.parent(c.id(), p.id)
+}
+
+func basepreferredSize(c controlPrivate, d *sizing) (int, int) {
+	s := C.controlPreferredSize(c.id())
+	return int(s.width), int(s.height)
+}
+
+func basecommitResize(c controlPrivate, a *allocation, d *sizing) {
+	dobasecommitResize(c.id(), a, d)
+}
+
+func dobasecommitResize(id C.id, c *allocation, d *sizing) {
+	C.moveControl(id, C.intptr_t(c.x), C.intptr_t(c.y), C.intptr_t(c.width), C.intptr_t(c.height))
+}
+
+func basegetAuxResizeInfo(c controlPrivate, d *sizing) {
+	d.neighborAlign = C.alignmentInfoFrame(c.id())
+}
+
+type scroller struct {
+	id	C.id
+}
+
+func newScroller(child C.id, bordered bool) *scroller {
+	id := C.newScrollView(child, toBOOL(bordered))
+	s := &scroller{
+		id:	id,
+	}
+	return s
+}
+
+func (s *scroller) setParent(p *controlParent) {
+	C.parent(s.id, p.id)
+}
+
+func (s *scroller) commitResize(c *allocation, d *sizing) {
+	dobasecommitResize(s.id, c, d)
+}