1 files changed, 31 insertions, 2 deletions
diff --git a/button.go b/button.go
index a6026a1..8820734 100644
--- a/button.go
+++ b/button.go
@@ -15,6 +15,35 @@ func (n *Node) NewButton(name string, custom func()) *Node {
 	return newNode
 }
 
-func callback(i int) {
-	log(debugError, "button callback() i =", i)
+func callback(i int) bool {
+	log(debugError, "callback() for widget id =", i)
+	n := Config.rootNode.FindId(i)
+	log(debugError, "callback() found node =", n)
+	// running custom here means the button get's clicked twice
+	if (n.Custom == nil) {
+		log(debugError, "callback() = nil. SKIPPING")
+		return false
+	}
+	n.Custom()
+	return true
 }
+
+// find widget by number
+func (n *Node) FindId(i int) (*Node) {
+	if (n == nil) {
+		return nil
+	}
+
+	if (n.id == i) {
+		return n
+	}
+
+	for _, child := range n.children {
+		newN := child.FindId(i)
+		if (newN != nil) {
+			return newN
+		}
+	}
+	return nil
+}
+