diff --git a/addNode.go b/addNode.go
index 2db130c..5a17a25 100644
--- a/addNode.go
+++ b/addNode.go
@@ -23,9 +23,9 @@ func (me *TreeInfo) AddNode(a *widget.Action) *Node {
 	}
 
 	if me.treeRoot.FindWidgetId(a.WidgetId) != nil {
-		log.Warn("AddNode() WidgetId already exists", a.WidgetId)
-		log.Warn("probably this is a Show() / Hide() issue")
-		log.Warn("TODO: figure out what to do here")
+		log.Log(TREEWARN, "AddNode() WidgetId already exists", a.WidgetId)
+		log.Log(TREEWARN, "probably this is a Show() / Hide() issue")
+		log.Log(TREEWARN, "TODO: figure out what to do here")
 		return me.treeRoot.FindWidgetId(a.WidgetId)
 	}
 
diff --git a/common.go b/common.go
index 274877f..70a5d14 100644
--- a/common.go
+++ b/common.go
@@ -19,6 +19,10 @@ func (n *Node) Bool() bool {
 	return false // widget.GetBool(n.State.Value)
 }
 
+func (n *Node) CurrentS() string {
+	return n.State.CurrentS
+}
+
 func (n *Node) String() string {
 	switch n.WidgetType {
 	case widget.Button:
diff --git a/debug.go b/debug.go
index 1978d19..f14e94c 100644
--- a/debug.go
+++ b/debug.go
@@ -16,16 +16,16 @@ func (n *Node) ShowButtons() {
 }
 
 func (n *Node) DumpWidget(pad string) {
-	log.Warn("node:", pad, n.WidgetId, ",", n.WidgetType, ",", n.GetProgName())
+	log.Log(TREEWARN, "node:", pad, n.WidgetId, ",", n.WidgetType, ",", n.GetProgName())
 }
 
 var depth int = 0
 
 func (n *Node) ListWidgets() {
 	if n == nil {
-		log.Warn("ERRRORRRR: n == nil in ListWidgets()")
-		log.Warn("ERRRORRRR: n == nil in ListWidgets()")
-		log.Warn("ERRRORRRR: n == nil in ListWidgets()")
+		log.Log(TREEWARN, "ERRRORRRR: n == nil in ListWidgets()")
+		log.Log(TREEWARN, "ERRRORRRR: n == nil in ListWidgets()")
+		log.Log(TREEWARN, "ERRRORRRR: n == nil in ListWidgets()")
 		return
 	}
 
diff --git a/event.go b/event.go
index 294fc54..e5d0c1f 100644
--- a/event.go
+++ b/event.go
@@ -18,7 +18,7 @@ import (
 
 func (me *TreeInfo) SendEnableDebugger() {
 	if me.callback == nil {
-		log.Warn("SendEnableDebugger() callback == nil")
+		log.Log(TREEWARN, "SendEnableDebugger() callback == nil")
 		return
 	}
 	var a widget.Action
@@ -30,22 +30,22 @@ func (me *TreeInfo) SendEnableDebugger() {
 
 func (me *TreeInfo) SendToolkitLoad(s string) {
 	if me.callback == nil {
-		log.Warn("SendToolkitLoad() callback == nil")
+		log.Log(TREEWARN, "SendToolkitLoad() callback == nil")
 		return
 	}
 	var a widget.Action
 	a.ActionType = widget.ToolkitLoad
 	a.ProgName = me.PluginName
 	a.Value = s
-	log.Warn("SendToolkitLoad() START: toolkit load", s)
+	log.Log(TREEWARN, "SendToolkitLoad() START: toolkit load", s)
 	me.callback <- a
-	log.Warn("SendToolkitLoad() END:   toolkit load", s)
+	log.Log(TREEWARN, "SendToolkitLoad() END:   toolkit load", s)
 	return
 }
 
 func (me *TreeInfo) SendToolkitPanic() {
 	if me.callback == nil {
-		log.Warn("SendToolkitPanic() callback == nil")
+		log.Log(TREEWARN, "SendToolkitPanic() callback == nil")
 		return
 	}
 	var a widget.Action
@@ -59,7 +59,7 @@ func (me *TreeInfo) SendToolkitPanic() {
 
 func (me *TreeInfo) SendWindowCloseEvent(n *Node) {
 	if me.callback == nil {
-		log.Warn("SendWindowClose() callback == nil", n.WidgetId)
+		log.Log(TREEWARN, "SendWindowClose() callback == nil", n.WidgetId)
 		return
 	}
 	var a widget.Action
@@ -88,7 +88,7 @@ func (me *TreeInfo) SendFromUser(n *Node) {
 // Other goroutines must use this to access the GUI
 func (me *TreeInfo) SendUserEvent(n *Node) {
 	if me.callback == nil {
-		log.Warn("SendUserEvent() callback == nil", n.WidgetId)
+		log.Log(TREEWARN, "SendUserEvent() callback == nil", n.WidgetId)
 		return
 	}
 	var a widget.Action
diff --git a/init.go b/init.go
index c70b265..e307262 100644
--- a/init.go
+++ b/init.go
@@ -21,9 +21,9 @@ func (me *TreeInfo) newAction(a widget.Action) {
 			return
 		}
 	case widget.SetText:
-		log.Info("tree.SetText() a.State.CurrentS =", a.State.CurrentS)
-		log.Info("tree.SetText() a.State.DefaultS =", a.State.DefaultS)
-		log.Info("tree.SetText() a.State.NewString =", a.State.NewString)
+		log.Log(TREE, "tree.SetText() a.State.CurrentS =", a.State.CurrentS)
+		log.Log(TREE, "tree.SetText() a.State.DefaultS =", a.State.DefaultS)
+		log.Log(TREE, "tree.SetText() a.State.NewString =", a.State.NewString)
 		switch n.WidgetType {
 		case widget.Dropdown:
 			me.SetText(n, a.State.NewString)
@@ -44,7 +44,14 @@ func (me *TreeInfo) newAction(a widget.Action) {
 		case widget.Combobox:
 			me.AddText(n, a.State.NewString)
 		default:
-			log.Warn("AddText() not supported on widget", n.WidgetType, n.String())
+			log.Log(TREEWARN, "AddText() not supported on widget", n.WidgetType, n.String())
+		}
+	case widget.Checked:
+		switch n.WidgetType {
+		case widget.Checkbox:
+			me.SetChecked(n, a.State.Checked)
+		default:
+			log.Log(TREEWARN, "SetChecked() not supported on widget", n.WidgetType, n.String())
 		}
 	default:
 		me.NodeAction(n, a.ActionType)
@@ -54,7 +61,7 @@ func (me *TreeInfo) newAction(a widget.Action) {
 func (me *TreeInfo) catchActionChannel() {
 	defer func() {
 		if r := recover(); r != nil {
-			log.Warn(me.PluginName, "tree YAHOOOO Recovered in simpleStdin()", r)
+			log.Log(TREEWARN, me.PluginName, "tree YAHOOOO Recovered in simpleStdin()", r)
 			me.SendToolkitPanic()
 			panic(-1)
 		}
diff --git a/json.go b/json.go
index 5a52334..095e159 100644
--- a/json.go
+++ b/json.go
@@ -51,7 +51,7 @@ func (n *Node) Json() []string {
 	case widget.Window:
 		tmp := fmt.Sprint("{ WidgetType :", n.WidgetType, "}")
 		all = append(all, tmp)
-		log.Warn(tmp)
+		log.Log(TREEWARN, tmp)
 		return all
 	default:
 		log.Log(TREE, "doUserEvent() type =", n.WidgetType)
diff --git a/structs.go b/structs.go
index e807e0d..f96158d 100644
--- a/structs.go
+++ b/structs.go
@@ -30,6 +30,7 @@ type TreeInfo struct {
 	SetText    func(*Node, string)
 	SetTitle   func(*Node, string)
 	SetLabel   func(*Node, string)
+	SetChecked func(*Node, bool)
 }
 
 type Node struct {