Squashed commit of the following:

    all non binary tree structs are gone (almost all)
    Use names from https://en.wikipedia.org/wiki/Graphical_widget
    toolkit andlabs/ui is isolated from being accessable
        all direct references to andlabs are removed
    working dropdown widgets
    add debugging more buttons and windows

1 files changed, 21 insertions, 4 deletions

diff --git a/slider.go b/slider.go
index 7d1a0ba..4ee144c 100644
--- a/slider.go
+++ b/slider.go
@@ -10,17 +10,34 @@ func (n *Node) NewSlider(name string, x int, y int) *Node {
 
 	log.Println("toolkit.NewSlider() START", name)
 
-	if (n.Toolkit == nil) {
-		log.Println("toolkit.NewSlider() Toolkit == nil")
+	if (n.toolkit == nil) {
+		log.Println("toolkit.NewSlider() toolkit == nil")
 		panic("Toolkit should never be nil")
 	}
 
 	// make a *Node with a *toolkit.Group
 	sNode = n.New(name + " part1")
-	newT = n.Toolkit.NewSlider(name, x, y)
+	newT = n.toolkit.NewSlider(name, x, y)
 	newT.Name = name
-	sNode.Toolkit = newT
+	sNode.custom = n.custom
+	newT.Custom = func () {
+		// TODO: make all of this common code to all the widgets
+		if (n.custom == nil) {
+			log.Println("Not Running n.custom(n) == nil")
+		} else {
+			log.Println("Running n.custom(n)")
+			sNode.custom(sNode)
+		}
+		if (sNode.OnChanged == nil) {
+			log.Println("Not Running n.OnChanged(n) == nil")
+		} else {
+			log.Println("Running n.OnChanged(n)")
+			sNode.OnChanged(sNode)
+		}
+	}
+	sNode.toolkit = newT
 	sNode.Dump()
+	// panic("checking Custom()")
 
 	return sNode
 }