Esempio n. 1
0
func main() {
	runtime.GOMAXPROCS(10)
	gdk.ThreadsInit()
	gdk.ThreadsEnter()
	gtk.Init(nil)
	window := gtk.Window(gtk.GTK_WINDOW_TOPLEVEL)
	window.Connect("destroy", func() {
		gtk.MainQuit()
	}, nil)

	vbox := gtk.VBox(false, 1)

	label1 := gtk.Label("")
	vbox.Add(label1)
	label2 := gtk.Label("")
	vbox.Add(label2)

	window.Add(vbox)

	window.SetSizeRequest(100, 100)
	window.ShowAll()
	syscall.Sleep(1000 * 1000 * 100)
	go (func() {
		for i := 0; i < 300000; i++ {
			gdk.ThreadsEnter()
			label1.SetLabel(strconv.Itoa(i))
			gdk.ThreadsLeave()
		}
		gtk.MainQuit()
	})()
	go (func() {
		for i := 300000; i >= 0; i-- {
			gdk.ThreadsEnter()
			label2.SetLabel(strconv.Itoa(i))
			gdk.ThreadsLeave()
		}
		gtk.MainQuit()
	})()
	gtk.Main()
}
Esempio n. 2
0
func main() {
	gdk.ThreadsInit()
	gtk.Init(&os.Args)
	window := gtk.Window(gtk.GTK_WINDOW_TOPLEVEL)
	window.SetTitle("Twitter!")
	window.Connect("destroy", func() {
		gtk.MainQuit()
	},
		nil)

	vbox := gtk.VBox(false, 1)

	scrolledwin := gtk.ScrolledWindow(nil, nil)
	textview := gtk.TextView()
	textview.SetEditable(false)
	textview.SetCursorVisible(false)
	scrolledwin.Add(textview)
	vbox.Add(scrolledwin)

	buffer := textview.GetBuffer()

	tag := buffer.CreateTag("blue", map[string]string{
		"foreground": "#0000FF", "weight": "700"})
	button := gtk.ButtonWithLabel("Update Timeline")
	button.SetTooltipMarkup("update <b>public timeline</b>")
	button.Clicked(func() {
		button.SetSensitive(false)
		go func() {
			gdk.ThreadsEnter()
			r, err := HttpGet("http://twitter.com/statuses/public_timeline.json")
			if err == nil {
				b := make([]byte, r.ContentLength)
				io.ReadFull(r.Body, b)
				var j interface{}
				json.NewDecoder(bytes.NewBuffer(b)).Decode(&j)
				arr := j.([]interface{})
				for i := 0; i < len(arr); i++ {
					data := arr[i].(map[string]interface{})
					icon := data["user"].(map[string]interface{})["profile_image_url"].(string)
					var iter gtk.GtkTextIter
					buffer.GetStartIter(&iter)
					buffer.InsertPixbuf(&iter, url2pixbuf(icon))
					name := data["user"].(map[string]interface{})["screen_name"].(string)
					text := data["text"].(string)
					buffer.Insert(&iter, " ")
					buffer.InsertWithTag(&iter, name, tag)
					buffer.Insert(&iter, ":"+text+"\n")
					gtk.MainIteration()
				}
			}
			button.SetSensitive(true)
			gdk.ThreadsLeave()
		}()
	},
		nil)
	vbox.PackEnd(button, false, false, 0)

	window.Add(vbox)
	window.SetSizeRequest(800, 500)
	window.ShowAll()
	gtk.Main()
}