1 files changed, 47 insertions, 0 deletions
diff --git a/spinbox_darwin.go b/spinbox_darwin.go
index c3f1da8..2768e40 100644
--- a/spinbox_darwin.go
+++ b/spinbox_darwin.go
@@ -2,6 +2,10 @@
 
 package ui
 
+import (
+	"unsafe"
+)
+
 // #include "objc_darwin.h"
 import "C"
 
@@ -15,3 +19,46 @@ import "C"
 // - http://andrehoffmann.wordpress.com/tag/nsstepper/ ?
 // TODO
 // - proper spacing between edit and spinner: Interface Builder isn't clear; NSDatePicker doesn't spill the beans
+
+type spinbox struct {
+	textfield		C.id
+	stepper		C.id
+	objcspinbox	C.id
+}
+
+func newSpinbox() Spinbox {
+	s := new(spinbox)
+	s.textfield = C.newTextField()
+	s.stepper = C.newSpinboxStepper()
+	s.objcspinbox = C.spinboxSetup(s.textfield, s.stepper, unsafe.Pointer(s))
+	return s
+}
+
+func (s *spinbox) setParent(p *controlParent) {
+	C.parent(s.textfield, p.id)
+	C.parent(s.stepper, p.id)
+}
+
+func (s *spinbox) preferredSize(d *sizing) (width, height int) {
+	// TODO
+	return 20, 20
+}
+
+func (s *spinbox) resize(x int, y int, width int, height int, d *sizing) {
+	// TODO
+	C.moveControl(s.textfield, C.intptr_t(x), C.intptr_t(y), C.intptr_t(width - 20), C.intptr_t(height))
+	C.moveControl(s.stepper, C.intptr_t(x + width - 15), C.intptr_t(y), C.intptr_t(15), C.intptr_t(height))
+}
+
+func (s *spinbox) nTabStops() int {
+	// TODO does the stepper count?
+	return 1
+}
+
+func (s *spinbox) containerShow() {
+	// only provided for the Windows backend
+}
+
+func (s *spinbox) containerHide() {
+	// only provided for the Windows backend
+}