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// 16 july 2014
package ui
import (
"unsafe"
)
// #include "objc_darwin.h"
import "C"
type widgetbase struct {
id C.id
}
func newWidget(id C.id) *widgetbase {
return &widgetbase{
id: id,
}
}
// these few methods are embedded by all the various Controls since they all will do the same thing
func (w *widgetbase) setParent(parent C.id) {
// redrawing the new window handled by C.parent()
C.parent(w.id, parent)
}
func (w *widgetbase) containerShow() {
C.controlSetHidden(w.id, C.NO)
}
func (w *widgetbase) containerHide() {
C.controlSetHidden(w.id, C.YES)
}
type button struct {
*widgetbase
clicked *event
}
func finishNewButton(id C.id, text string) *button {
ctext := C.CString(text)
defer C.free(unsafe.Pointer(ctext))
b := &button{
widgetbase: newWidget(id),
clicked: newEvent(),
}
C.buttonSetText(b.id, ctext)
C.buttonSetDelegate(b.id, unsafe.Pointer(b))
return b
}
func newButton(text string) *button {
return finishNewButton(C.newButton(), text)
}
func (b *button) OnClicked(e func()) {
b.clicked.set(e)
}
//export buttonClicked
func buttonClicked(xb unsafe.Pointer) {
b := (*button)(unsafe.Pointer(xb))
b.clicked.fire()
println("button clicked")
}
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)
}
type checkbox struct {
*button
}
func newCheckbox(text string) *checkbox {
return &checkbox{
button: finishNewButton(C.newCheckbox(), text),
}
}
// we don't need to define our own event here; we can just reuse Button's
// (it's all target-action anyway)
func (c *checkbox) Checked() bool {
return fromBOOL(C.checkboxChecked(c.id))
}
func (c *checkbox) SetChecked(checked bool) {
C.checkboxSetChecked(c.id, toBOOL(checked))
}
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