1 files changed, 32 insertions, 0 deletions
diff --git a/treeCallback.go b/treeCallback.go
new file mode 100644
index 0000000..1ead288
--- /dev/null
+++ b/treeCallback.go
@@ -0,0 +1,32 @@
+// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
+// Use of this source code is governed by the GPL 3.0
+
+package main
+
+/*
+	This is reference code for toolkit developers
+
+	This is how information is passed in GO back to the application
+	via the GO 'plugin' concept
+
+	TODO: switch this to protocol buffers
+*/
+
+import (
+	"go.wit.com/widget"
+)
+
+// Other goroutines must use this to access the GUI
+//
+// You can not acess / process the GUI thread directly from
+// other goroutines. This is due to the nature of how
+// Linux, MacOS and Windows work (they all work differently. suprise. surprise.)
+//
+// this sets the channel to send user events back from the plugin
+func Callback(guiCallback chan widget.Action) {
+	me.myTree.Callback(guiCallback)
+}
+
+func PluginChannel() chan widget.Action {
+	return me.myTree.PluginChannel()
+}