changes for new 'tree' package

Makefile

@@ -1,11 +1,15 @@
 VERSION = $(shell git describe --tags)
 BUILDTIME = $(shell date +%Y.%m.%d)
 
-all: plugin
+all: clean goimports plugin
 	#ldd fyne.so
 
+deps:
+	sudo apt install libxxf86vm-dev libxxf86vm1
+
 plugin:
-	GO111MODULE=off go build -v -buildmode=plugin -o fyne.so
+	# LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu/ GO111MODULE=off go build -v -x -buildmode=plugin -o fyne.so
+	GO111MODULE=off go build -v -x -buildmode=plugin -o fyne.so
 
 install: clean
 	go build -v -buildmode=plugin -o ~/go/lib/fyne-${VERSION}.so \

action.go

@@ -7,12 +7,13 @@ package main
 */
 
 import (
+	"go.wit.com/lib/protobuf/guipb"
 	"go.wit.com/log"
 	"go.wit.com/toolkits/tree"
 	"go.wit.com/widget"
 )
 
-func Add(n *tree.Node) {
+func newAdd(n *tree.Node) {
 	log.Log(INFO, "Add() END =", n.WidgetType, n.String())
 	if n == nil {
 		log.Warn("Tree Error: Add() sent n == nil")
@@ -68,15 +69,15 @@ func newaction(n *tree.Node, atype widget.ActionType) {
 	log.Log(INFO, "newaction() END", atype, n.String())
 }
 
-func SetTitle(n *tree.Node, s string) {
-	SetText(n, s)
+func setTitle(n *tree.Node, s string) {
+	setText(n, s)
 }
 
-func SetLabel(n *tree.Node, s string) {
-	SetText(n, s)
+func setLabel(n *tree.Node, s string) {
+	setText(n, s)
 }
 
-func SetText(n *tree.Node, s string) {
+func setText(n *tree.Node, s string) {
 	if n == nil {
 		log.Warn("Tree Error: Add() sent n == nil")
 		return
@@ -90,7 +91,7 @@ func SetText(n *tree.Node, s string) {
 	log.Info("SetText()", n.WidgetType, n.String())
 }
 
-func AddText(n *tree.Node, s string) {
+func addText(n *tree.Node, s string) {
 	if n == nil {
 		log.Warn("Tree Error: Add() sent n == nil")
 		return
@@ -103,3 +104,23 @@ func AddText(n *tree.Node, s string) {
 	// w := n.TK.(*guiWidget)
 	// w.AddText(s)
 }
+
+func enableWidget(n *tree.Node) {
+	log.Info("do enable() here")
+}
+
+func disableWidget(n *tree.Node) {
+	log.Info("do enable() here")
+}
+
+func setChecked(n *tree.Node, b bool) {
+	log.Info("do enable() here")
+}
+
+func showTable(n *guipb.Table) {
+	log.Info("do enable() here")
+}
+
+func toolkitClose() {
+	log.Info("do enable() here")
+}

main.go

@@ -9,22 +9,25 @@ package main
 
 import (
 	"go.wit.com/log"
-	"go.wit.com/toolkits/tree"
 )
 
-func init() {
+var PLUGIN string = "fyne"
+
+func initPlugin() {
 	log.Log(INFO, "Init()")
 
-	me.myTree = tree.New()
-	me.myTree.PluginName = "nocui"
-	//	me.myTree.ActionFromChannel = doAction
+	me.myTree = initTree()
+	/*
+		me.myTree.PluginName = "nocui"
+		//	me.myTree.ActionFromChannel = doAction
 
-	me.myTree.NodeAction = newaction
-	me.myTree.Add = Add
-	me.myTree.SetTitle = SetTitle
-	me.myTree.SetLabel = SetLabel
-	me.myTree.SetText = SetText
-	me.myTree.AddText = AddText
+		me.myTree.NodeAction = newaction
+		me.myTree.Add = Add
+		me.myTree.SetTitle = SetTitle
+		me.myTree.SetLabel = SetLabel
+		me.myTree.SetText = SetText
+		me.myTree.AddText = AddText
+	*/
 
 	me.exit = false
 

structs.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"sync"
+
 	"go.wit.com/toolkits/tree"
 )
 
@@ -13,8 +15,8 @@ type guiWidget struct {
 	val map[string]int
 }
 
-// It's probably a terrible idea to call this 'me'
-var me config
+var initOnce sync.Once // run initPlugin() only once
+var me config          // It's probably a terrible idea to call this 'me'
 
 type config struct {
 	treeRoot *tree.Node // the base of the binary tree. it should have id == 0

tree.go

@@ -1,24 +0,0 @@
-package main
-
-/*
-	This is reference code for toolkit developers
-*/
-
-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()
-}

treeInit.go

@@ -0,0 +1,72 @@
+// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
+// Use of this source code is governed by the GPL 3.0
+
+/*
+	DO NOT EDIT THIS FILE
+
+	this file is the same for every GUI toolkit plugin
+	when you are making a new GUI toolkit plugin for
+	a specific toolkit, you just need to define these
+	functions.
+
+	for example, in the "gocui" toolkit, the functions
+	below are what triggers the "gocui" GO package
+	to draw labels, buttons, windows, etc
+
+	If you are starting out trying to make a new GUI toolkit,
+	all you have to do is copy this file over. Then
+	work on making these functions. addWidget(), setText(), etc.
+
+	That's it!
+*/
+
+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/toolkits/tree"
+	"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 {
+	initOnce.Do(initPlugin)
+	return me.myTree.PluginChannel()
+}
+
+func initTree() *tree.TreeInfo {
+	t := tree.New()
+	t.PluginName = PLUGIN
+	t.Add = newAdd
+	t.SetTitle = setTitle
+	t.SetLabel = setLabel
+	t.SetText = setText
+	t.AddText = addText
+
+	t.Enable = enableWidget
+	t.Disable = disableWidget
+
+	t.SetChecked = setChecked
+	t.ToolkitClose = toolkitClose
+	t.ShowTable = showTable
+
+	return t
+}