andlabs-ui/newctrl/control.go

36 lines
865 B
Go

// 30 july 2014
package ui
// Control represents a control.
type Control interface {
setParent(p *controlParent) // controlParent defined per-platform
// nChildren() int // TODO
preferredSize(d *sizing) (width, height int)
resize(x int, y int, width int, height int, d *sizing)
nTabStops() int
}
type controlbase struct {
fsetParent func(p *controlParent)
fpreferredSize func(d *sizing) (width, height int)
fresize func(x int, y int, width int, height int, d *sizing)
fnTabStops func() int
}
func (c *controlbase) setParent(p *controlParent) {
c.fsetParent(p)
}
func (c *controlbase) preferredSize(d *sizing) (width, height int) {
return c.fpreferredSize(d)
}
func (c *controlbase) resize(x int, y int, width int, height int, d *sizing) {
c.fresize(x, y, width, height, d)
}
func (c *controlbase) nTabStops() int {
return c.fnTabStops()
}