Better separation between Layout and Mux

1 files changed, 7 insertions, 2 deletions

diff --git a/layout/layout.go b/layout/layout.go
index 987ee24..dfacca1 100644
--- a/layout/layout.go
+++ b/layout/layout.go
@@ -3,17 +3,22 @@ package layout
 import (
 	"image"
 	"image/draw"
+
+	"github.com/faiface/gui"
 )
 
 // Layout represents any graphical layout
 //
-// A Layout needs to be able to redraw itself with the Redraw method.
-// Redraw() only draws the background or frame of the Layout, not the childs.
+// Items returns the Layout's childs in whatever order.
 //
 // Lay represents the way to divide space among your childs.
 // It takes a parameter of how much space is available,
 // and returns where exactly to put its childs.
+// The order must be the same as Items.
+//
+// Redraw only draws the background or frame of the Layout, not the childs.
 type Layout interface {
+	Items() []*gui.Env
 	Lay(image.Rectangle) []image.Rectangle
 	Redraw(draw.Image, image.Rectangle)
 }