1 files changed, 56 insertions, 0 deletions
diff --git a/prev/control_darwin.go b/prev/control_darwin.go
new file mode 100644
index 0000000..330d50c
--- /dev/null
+++ b/prev/control_darwin.go
@@ -0,0 +1,56 @@
+// 30 july 2014
+
+package ui
+
+// #include "objc_darwin.h"
+import "C"
+
+type controlParent struct {
+	id C.id
+}
+
+type controlSingleObject struct {
+	*controlbase
+	id	C.id
+}
+
+func newControlSingleObject(id C.id) *controlSingleObject {
+	c := new(controlSingleObject)
+	c.controlbase = &controlbase{
+		fsetParent:		c.xsetParent,
+		fpreferredSize:		c.xpreferredSize,
+		fresize:			c.xresize,
+	}
+	c.id = id
+	return c
+}
+
+func (c *controlSingleObject) xsetParent(p *controlParent) {
+	// redrawing the new window handled by C.parent()
+	C.parent(c.id, p.id)
+}
+
+func (c *controlSingleObject) xpreferredSize(d *sizing) (int, int) {
+	s := C.controlPreferredSize(c.id)
+	return int(s.width), int(s.height)
+}
+
+func (c *controlSingleObject) xresize(x int, y int, width int, height int, d *sizing) {
+	C.moveControl(c.id, C.intptr_t(x), C.intptr_t(y), C.intptr_t(width), C.intptr_t(height))
+}
+
+type scroller struct {
+	*controlSingleObject
+	scroller	*controlSingleObject
+}
+
+func newScroller(child C.id, bordered bool) *scroller {
+	sid := C.newScrollView(child, toBOOL(bordered))
+	s := &scroller{
+		controlSingleObject:		newControlSingleObject(child),
+		scroller:				newControlSingleObject(sid),
+	}
+	s.fsetParent = s.scroller.fsetParent
+	s.fresize = s .scroller.fresize
+	return s
+}