andlabs-ui/newctrl/button_darwin.go

48 lines
841 B
Go

// 16 july 2014
package ui
import (
"unsafe"
)
// #include "objc_darwin.h"
import "C"
type button struct {
*controlSingleObject
clicked *event
}
func newButton(text string) *button {
ctext := C.CString(text)
defer C.free(unsafe.Pointer(ctext))
b := &button{
controlSingleObject: newControlSingleObject(C.newButton()),
clicked: newEvent(),
}
C.buttonSetText(b._id, ctext)
C.buttonSetDelegate(b._id, unsafe.Pointer(b))
return b
}
func (b *button) OnClicked(e func()) {
b.clicked.set(e)
}
func (b *button) Text() string {
return C.GoString(C.buttonText(b._id))
}
func (b *button) SetText(text string) {
ctext := C.CString(text)
defer C.free(unsafe.Pointer(ctext))
C.buttonSetText(b._id, ctext)
}
//export buttonClicked
func buttonClicked(xb unsafe.Pointer) {
b := (*button)(unsafe.Pointer(xb))
b.clicked.fire()
}