aerc/lib/ui/interfaces.go
2019-01-20 15:06:44 -05:00

37 lines
820 B
Go

package ui
import (
"github.com/gdamore/tcell"
)
type Drawable interface {
// Called when this renderable should draw itself
Draw(ctx *Context)
// Specifies a function to call when this cell needs to be redrawn
OnInvalidate(callback func(d Drawable))
// Invalidates the drawable
Invalidate()
}
type Interactive interface {
// Returns true if the event was handled by this component
Event(event tcell.Event) bool
}
type Simulator interface {
// Queues up the given input events for simulation
Simulate(events []tcell.Event)
}
type DrawableInteractive interface {
Drawable
Interactive
}
// A drawable which contains other drawables
type Container interface {
Drawable
// Return all of the drawables which are children of this one (do not
// recurse into your grandchildren).
Children() []Drawable
}