1 files changed, 50 insertions, 0 deletions
diff --git a/redo/tab_darwin.go b/redo/tab_darwin.go
new file mode 100644
index 0000000..ef834ad
--- /dev/null
+++ b/redo/tab_darwin.go
@@ -0,0 +1,50 @@
+// 25 july 2014
+
+package ui
+
+import (
+	"unsafe"
+)
+
+// #include "objc_darwin.h"
+import "C"
+
+type tab struct {
+	*controlbase
+
+	tabs			[]*sizer
+}
+
+func newTab() Tab {
+	t := new(tab)
+	id := C.newTab(unsafe.Pointer(t))
+	t.controlbase = newControl(id)
+	t.fpreferredSize = t.tabpreferredSize
+	return t
+}
+
+func (t *tab) Append(name string, control Control) {
+	s := new(sizer)
+	t.tabs = append(t.tabs, s)
+	cname := C.CString(name)
+	defer C.free(unsafe.Pointer(cname))
+	tabview := C.tabAppend(t.id, cname)
+	s.child = control
+	s.child.setParent(&controlParent{tabview})
+}
+
+func (t *tab) tabpreferredSize(d *sizing) (width, height int) {
+	s := C.tabPrefSize(t.id)
+	return int(s.width), int(s.height)
+}
+
+// no need to override Control.commitResize() as only prepared the tabbed control; its children will be reallocated when that one is resized
+
+//export tabResized
+func tabResized(data unsafe.Pointer, width C.intptr_t, height C.intptr_t) {
+	t := (*tab)(unsafe.Pointer(data))
+	for _, s := range t.tabs {
+		// the tab area's coordinate system is localized, so the origin is (0, 0)
+		s.resize(0, 0, int(width), int(height))
+	}
+}