From 6127fa1cbb8a68f0b125f50b760822828c7f20e5 Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Mon, 3 Mar 2025 23:50:11 -0600
Subject: [PATCH] try out sync.Once

---
 init.go      |  6 +++---
 libnotify.go | 14 ++++++--------
 structs.go   |  1 +
 3 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/init.go b/init.go
index 3580116..e549b18 100644
--- a/init.go
+++ b/init.go
@@ -73,9 +73,9 @@ func toolkitInit() {
 		me.BG.tk = makeNewInternalWidget(me.BG.wId)
 	}
 
-	// SETUP libnotify
-	makeNotifyClock(me.notify.clock.wId)
-	makeNotifyMenu(me.notify.menu.wId)
+	// SETUP libnotify clock and menu
+	me.notify.clock.once.Do(makeNotifyClock)
+	me.notify.menu.once.Do(makeNotifyMenu)
 
 	// PUT INIT DEBUG COOE HERE
 	var toggle bool
diff --git a/libnotify.go b/libnotify.go
index 487c429..5bfa077 100644
--- a/libnotify.go
+++ b/libnotify.go
@@ -1,10 +1,8 @@
-// Copyright 2014 The gocui Authors. All rights reserved.
 // Copyright 2017-2025 WIT.COM Inc. All rights reserved.
 // Use of this source code is governed by the GPL 3.0
 
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
+// this file implements a libnotify-like menu
+// also there is SIGWINCH resizing
 package main
 
 import (
@@ -52,12 +50,12 @@ func makeNewInternalWidget(wId int) *guiWidget {
 	return tk
 }
 
-func makeNotifyClock(wId int) {
+func makeNotifyClock() {
 	if me.treeRoot == nil {
 		log.Info("gogui makeClock() error. treeRoot == nil")
 		return
 	}
-	me.notify.clock.tk = makeNewInternalWidget(wId)
+	me.notify.clock.tk = makeNewInternalWidget(me.notify.clock.wId)
 	me.notify.clock.tk.dumpWidget("init() clock")
 	me.notify.clock.tk.MoveToOffset(0, 0)
 	me.notify.clock.tk.labelN = time.Now().Format("15:04:05")
@@ -69,12 +67,12 @@ func makeNotifyClock(wId int) {
 
 }
 
-func makeNotifyMenu(wId int) {
+func makeNotifyMenu() {
 	if me.treeRoot == nil {
 		log.Info("gogui makeClock() error. treeRoot == nil")
 		return
 	}
-	me.notify.menu.tk = makeNewInternalWidget(wId)
+	me.notify.menu.tk = makeNewInternalWidget(me.notify.menu.wId)
 	me.notify.menu.tk.dumpWidget("init() menu")
 	w, _ := me.baseGui.Size()
 	me.notify.menu.tk.MoveToOffset(w-5, me.notify.menu.offsetH)
diff --git a/structs.go b/structs.go
index dd9ed14..4e72e80 100644
--- a/structs.go
+++ b/structs.go
@@ -138,6 +138,7 @@ type dropdown struct {
 
 // settings for the dropdown window
 type internalTK struct {
+	once     sync.Once  // for init
 	tk       *guiWidget // where to show STDOUT
 	callerTK *guiWidget // which widget called the dropdown menu
 	wId      int        // the widget id to use