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// 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))
}
}
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