andlabs-ui/control_darwin.go

57 lines
1.2 KiB
Go

// 30 july 2014
package ui
// #include "objc_darwin.h"
import "C"
type controlParent struct {
id C.id
}
type controlSingleObject struct {
*controlbase
id C.id
}
func newControlSingleObject(id C.id) *controlSingleObject {
c := new(controlSingleObject)
c.controlbase = &controlbase{
fsetParent: c.xsetParent,
fpreferredSize: c.xpreferredSize,
fresize: c.xresize,
}
c.id = id
return c
}
func (c *controlSingleObject) xsetParent(p *controlParent) {
// redrawing the new window handled by C.parent()
C.parent(c.id, p.id)
}
func (c *controlSingleObject) xpreferredSize(d *sizing) (int, int) {
s := C.controlPreferredSize(c.id)
return int(s.width), int(s.height)
}
func (c *controlSingleObject) xresize(x int, y int, width int, height int, d *sizing) {
C.moveControl(c.id, C.intptr_t(x), C.intptr_t(y), C.intptr_t(width), C.intptr_t(height))
}
type scroller struct {
*controlSingleObject
scroller *controlSingleObject
}
func newScroller(child C.id, bordered bool) *scroller {
sid := C.newScrollView(child, toBOOL(bordered))
s := &scroller{
controlSingleObject: newControlSingleObject(child),
scroller: newControlSingleObject(sid),
}
s.fsetParent = s.scroller.fsetParent
s.fresize = s .scroller.fresize
return s
}