v0.4.2 more code cleanups and improvementsv0.4.2

    Add command line argv handling using go-arg
    make hello world dumb stupid simple again
    more swtiching to common code
    move debugging options to support go-args
    more debugging output cleanup
    more debugging cleanups
    fix null pointer crash

1 files changed, 15 insertions, 35 deletions

diff --git a/cmds/helloworld/main.go b/cmds/helloworld/main.go
index bc1ea5a..3ae3b07 100644
--- a/cmds/helloworld/main.go
+++ b/cmds/helloworld/main.go
@@ -8,57 +8,37 @@ import 	(
 )
 
 func main() {
-	f, err := os.OpenFile("/tmp/guilogfile", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)
-	if err != nil {
-		log.Fatalf("error opening file: %v", err)
-	}
-	defer f.Close()
-
-	log.SetOutput(f)
-	log.Println("This is a test log entry")
-
-	gui.Main(initGUI)
+	gui.Main(myGUI)
 }
 
 // This initializes the first window
-func initGUI() {
+func myGUI() {
 	var w *gui.Node
 	gui.Config.Title = "Hello World golang wit/gui Window"
 	gui.Config.Width = 640
 	gui.Config.Height = 480
-	gui.Config.Exit = myDefaultExit
+	gui.Config.Exit = myExit
 
 	w = gui.NewWindow()
-	w.Dump()
-	addDemoTab(w, "A Simple Tab Demo")
-	addDemoTab(w, "A Second Tab")
+	addHelloWorld(w, "A Simple Tab")
 }
 
-func addDemoTab(window *gui.Node, title string) {
-	var newNode, g *gui.Node
+func addHelloWorld(window *gui.Node, title string) {
+	var newNode, g, tb *gui.Node
 
 	newNode = window.NewTab(title)
-        log.Println("addDemoTab() newNode.Dump")
-        log.Println("addDemoTab() newNode.Dump")
-        log.Println("addDemoTab() newNode.Dump")
-        log.Println("addDemoTab() newNode.Dump")
-	newNode.Dump()
 
-	g = newNode.NewGroup("group 1")
-        log.Println("addDemoTab() g.Dump")
-        log.Println("addDemoTab() g.Dump")
-        log.Println("addDemoTab() g.Dump")
-        log.Println("addDemoTab() g.Dump")
-	g.Dump()
-	// os.Exit(0)
-	dd := g.NewDropdown("demoCombo2")
-	dd.AddDropdown("more 1")
-	dd.AddDropdown("more 2")
-	dd.AddDropdown("more 3")
+	g = newNode.NewGroup("hello")
+	tb = g.NewTextbox("hello world box") // when debugging, this string will be used
+	tb.OnChanged = func(*gui.Node) {
+		s := tb.GetText()
+		log.Println("text box =", s)
+	}
+	tb.SetText("world")
 }
 
-func myDefaultExit(n *gui.Node) {
-        log.Println("You can Do exit() things here")
+func myExit(n *gui.Node) {
+        log.Println("exit() here")
 	os.Exit(0)
 }