attempt at log.Register(guiDebug) debugging flag

Signed-off-by: Jeff Carr <jcarr@wit.com>

args.go

@@ -2,6 +2,8 @@ package gui
 
 import (
 	arg "github.com/alexflint/go-arg"
+
+	newlog "go.wit.com/log"
 )
 
 var argGui ArgsGui
@@ -15,6 +17,12 @@ type ArgsGui struct {
 
 func init() {
 	arg.Register(&argGui)
+
+	newlog.Register("gui", "debugGui", &debugGui)
+
+	for _, s := range newlog.ListAll() {
+		newlog.Info("go.wit.org/gui ListAll() returned:", s)
+	}
 }
 
 // returns the toolkit

gadgets/basicCombobox.go

@@ -0,0 +1,79 @@
+/*
+	A Labeled Combobox widget:
+
+	-----------------------------
+	|            |              |
+	|   Food:    |  <dropdown>  |
+	|            |              |
+	-----------------------------
+
+	The user can then edit the dropdown field and type anything into it
+*/
+package gadgets
+
+import 	(
+	"go.wit.com/log"
+	"go.wit.com/gui"
+)
+
+type BasicCombobox struct {
+	ready	bool
+	name	string
+
+	parent	*gui.Node	// parent widget
+	l	*gui.Node	// label widget
+	d	*gui.Node	// dropdown widget
+
+	value	string
+	label	string
+
+	Custom func()
+}
+
+func (d *BasicCombobox) Get() string {
+	if ! d.Ready() {return ""}
+	return d.value
+}
+
+// Returns true if the status is valid
+func (d *BasicCombobox) Ready() bool {
+	if d == nil {return false}
+	return d.ready
+}
+
+func (d *BasicCombobox) Add(value string) {
+	if ! d.Ready() {return}
+	log.Println("BasicCombobox.Add() =", value)
+	d.d.AddDropdownName(value)
+	return
+}
+
+func (d *BasicCombobox) Set(value string) bool {
+	if ! d.Ready() {return false}
+	log.Println("BasicCombobox.Set() =", value)
+	d.d.SetText(value)
+	d.value = value
+	return true
+}
+
+func NewBasicCombobox(p *gui.Node, name string) *BasicCombobox {
+	d := BasicCombobox {
+		parent: p,
+		name: name,
+		ready: false,
+	}
+
+	// various timeout settings
+	d.l = p.NewLabel(name)
+	d.d = p.NewCombobox("")
+	d.d.Custom = func() {
+		d.value = d.Get()
+		log.Println("BasicCombobox.Custom() user changed value to =", d.value)
+		if d.Custom != nil {
+			d.Custom()
+		}
+	}
+
+	d.ready = true
+	return &d
+}