func TestWebView_RunJavaScript_exception(t *testing.T) {
	webView := NewWebView()
	defer webView.Destroy()

	wantErr := errors.New("An exception was raised in JavaScript")
	webView.Connect("load-changed", func(_ *glib.Object, loadEvent LoadEvent) {
		switch loadEvent {
		case LoadFinished:
			webView.RunJavaScript(`throw new Error("foo")`, func(result *gojs.Value, err error) {
				if result != nil {
					ctx := webView.JavaScriptGlobalContext()
					t.Errorf("want result == nil, got %q", ctx.ToStringOrDie(result))
				}
				if !reflect.DeepEqual(wantErr, err) {
					t.Errorf("want error %q, got %q", wantErr, err)
				}
				gtk.MainQuit()
			})
		}
	})

	glib.IdleAdd(func() bool {
		webView.LoadHTML(`<p></p>`, "")
		return false
	})

	gtk.Main()
}

func TestWebView_RunJavaScript(t *testing.T) {
	webView := NewWebView()
	defer webView.Destroy()

	wantResultString := "abc"
	webView.Connect("load-changed", func(_ *glib.Object, loadEvent LoadEvent) {
		switch loadEvent {
		case LoadFinished:
			webView.RunJavaScript(`document.getElementById("foo").innerHTML`, func(result *gojs.Value, err error) {
				if err != nil {
					t.Errorf("RunJavaScript error: %s", err)
				}
				resultString := webView.JavaScriptGlobalContext().ToStringOrDie(result)
				if wantResultString != resultString {
					t.Errorf("want result string %q, got %q", wantResultString, resultString)
				}
				gtk.MainQuit()
			})
		}
	})

	glib.IdleAdd(func() bool {
		webView.LoadHTML(`<p id=foo>abc</p>`, "")
		return false
	})

	gtk.Main()
}

func TestWebView_GetSnapshot(t *testing.T) {
	webView := NewWebView()
	defer webView.Destroy()

	webView.Connect("load-changed", func(_ *glib.Object, loadEvent LoadEvent) {
		switch loadEvent {
		case LoadFinished:
			webView.GetSnapshot(func(img *image.RGBA, err error) {
				if err != nil {
					t.Errorf("GetSnapshot error: %q", err)
				}
				if img.Pix == nil {
					t.Error("!img.Pix")
				}
				if img.Stride == 0 || img.Rect.Max.X == 0 || img.Rect.Max.Y == 0 {
					t.Error("!img.Stride or !img.Rect.Max.X or !img.Rect.Max.Y")
				}
				gtk.MainQuit()
			})
		}
	})

	glib.IdleAdd(func() bool {
		webView.LoadHTML(`<p id=foo>abc</p>`, "")
		return false
	})

	gtk.Main()
}

func TestWebView_URI(t *testing.T) {
	setup()
	defer teardown()

	mux.HandleFunc("/", func(w http.ResponseWriter, _ *http.Request) {})

	wantURI := server.URL + "/"
	var gotURI string
	webView.Connect("notify::uri", func() {
		glib.IdleAdd(func() bool {
			gotURI = webView.URI()
			if gotURI != "" {
				gtk.MainQuit()
			}
			return false
		})
	})

	glib.IdleAdd(func() bool {
		webView.LoadURI(server.URL)
		return false
	})

	gtk.Main()

	if wantURI != gotURI {
		t.Errorf("want URI %q, got %q", wantURI, gotURI)
	}
}

func (ui *Ui) init() {
	win, _ := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
	win.SetTitle("GNOMEConnect")
	win.SetDefaultSize(800, 600)
	win.Connect("destroy", func() {
		gtk.MainQuit()
		ui.Quit <- true
	})
	ui.win = win

	hbox, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
	win.Add(hbox)

	scroller := ui.initDevicesList()
	hbox.PackStart(scroller, false, true, 0)

	sep, _ := gtk.SeparatorNew(gtk.ORIENTATION_HORIZONTAL)
	hbox.PackStart(sep, false, true, 0)

	box := ui.initDeviceView()
	hbox.PackEnd(box, true, true, 0)

	titlebar := ui.initTitlebar()
	win.SetTitlebar(titlebar)

	win.ShowAll()
	ui.selectDevice(nil)
}

func TestWebView_LoadHTML(t *testing.T) {
	webView := NewWebView()
	defer webView.Destroy()

	loadOk := false
	webView.Connect("load-failed", func() {
		t.Errorf("load failed")
	})
	webView.Connect("load-changed", func(_ *glib.Object, loadEvent LoadEvent) {
		switch loadEvent {
		case LoadFinished:
			loadOk = true
			gtk.MainQuit()
		}
	})

	glib.IdleAdd(func() bool {
		webView.LoadHTML("<p>hello</p>", "")
		return false
	})

	gtk.Main()

	if !loadOk {
		t.Error("!loadOk")
	}
}

func TestWebView_LoadURI_load_failed(t *testing.T) {
	webView := NewWebView()
	defer webView.Destroy()

	loadFailed := false
	loadFinished := false
	webView.Connect("load-failed", func() {
		loadFailed = true
	})
	webView.Connect("load-changed", func(_ *glib.Object, loadEvent LoadEvent) {
		switch loadEvent {
		case LoadFinished:
			loadFinished = true
			gtk.MainQuit()
		}
	})

	glib.IdleAdd(func() bool {
		// Load a bad URL to trigger load failure.
		webView.LoadURI("http://127.0.0.1:99999")
		return false
	})

	gtk.Main()

	if !loadFailed {
		t.Error("!loadFailed")
	}
	if !loadFinished {
		t.Error("!loadFinished")
	}
}

func createFileMenu() *gtk.MenuItem {
	menu, err := gtk.MenuItemNewWithMnemonic("_File")
	if err != nil {
		log.Fatal(err)
	}

	dropdown, err := gtk.MenuNew()
	if err != nil {
		log.Fatal(err)
	}

	menu.SetSubmenu(dropdown)

	mitem, err := gtk.MenuItemNewWithMnemonic("E_xit")
	if err != nil {
		log.Fatal(err)
	}
	mitem.Connect("activate", func() {
		gtk.MainQuit()
	})

	dropdown.Append(mitem)

	return menu
}

func main() {
	// Initialize GTK without parsing any command line arguments.
	gtk.Init(nil)

	// Create a new toplevel window, set its title, and connect it to the
	// "destroy" signal to exit the GTK main loop when it is destroyed.
	win, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
	if err != nil {
		log.Fatal("Unable to create window:", err)
	}
	win.SetTitle("Simple Example")
	win.Connect("destroy", func() {
		gtk.MainQuit()
	})

	// Create a new label widget to show in the window.
	l, err := gtk.LabelNew("Hello, gotk3!")
	if err != nil {
		log.Fatal("Unable to create label:", err)
	}

	// Add the label to the window.
	win.Add(l)

	// Set the default window size.
	win.SetDefaultSize(800, 600)

	// Recursively show all widgets contained in this window.
	win.ShowAll()

	// Begin executing the GTK main loop.  This blocks until
	// gtk.MainQuit() is run.
	gtk.Main()
}

func main() {
	// Initialize GTK without parsing any command line arguments.
	gtk.Init(nil)

	// Create a new toplevel window, set its title, and connect it to the
	// "destroy" signal to exit the GTK main loop when it is destroyed.
	win, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
	if err != nil {
		log.Fatal("Unable to create window:", err)
	}
	win.SetTitle("Simple Example")
	win.Connect("destroy", func() {
		gtk.MainQuit()
	})

	// Create a new socket:
	s, err := gtkx.SocketNew()
	if err != nil {
		log.Fatal("Unable to create socket:", err)
	}

	//Adding the socket to the window:
	win.Add(s)

	// Getting the socketId:
	sId := s.GetId()
	fmt.Printf("Our socket: %v\n", sId)

	//Building a Plug for our Socket:
	p, err := gtkx.PlugNew(sId)
	if err != nil {
		log.Fatal("Unable to create plug:", err)
	}

	//Building a Button for our Plug:
	b, err := gtk.ButtonNewWithLabel("Click me .)")
	if err != nil {
		log.Fatal("Unable to create button:", err)
	}

	//Click events for the Button:
	b.Connect("clicked", func() {
		fmt.Printf("Yeah, such clicks!\n")
	})

	//Adding the Button to the Plug:
	p.Add(b)
	//Displaying the Plug:
	p.ShowAll()

	// Set the default window size.
	win.SetDefaultSize(800, 600)

	// Recursively show all widgets contained in this window.
	win.ShowAll()

	// Begin executing the GTK main loop.  This blocks until
	// gtk.MainQuit() is run.
	gtk.Main()
}

func TestWebView_Title(t *testing.T) {
	webView := NewWebView()
	defer webView.Destroy()

	wantTitle := "foo"
	var gotTitle string
	webView.Connect("notify::title", func() {
		glib.IdleAdd(func() bool {
			gotTitle = webView.Title()
			if gotTitle != "" {
				gtk.MainQuit()
			}
			return false
		})
	})

	glib.IdleAdd(func() bool {
		webView.LoadHTML("<html><head><title>"+wantTitle+"</title></head><body></body></html>", "")
		return false
	})

	gtk.Main()

	if wantTitle != gotTitle {
		t.Errorf("want title %q, got %q", wantTitle, gotTitle)
	}
}

// NewPageManager creates and initializes a page manager.
func NewPageManager(session []PageDescription) *PageManager {
	nb, _ := gtk.NotebookNew()
	nb.SetCanFocus(false)
	nb.SetShowBorder(false)
	p := &PageManager{
		Notebook: nb,
		htmls:    map[uintptr]*HTMLPage{},
	}

	if session == nil {
		session = []PageDescription{BlankPage}
	}
	for _, page := range session {
		p.OpenPage(page)
	}

	actions := NewActionMenu()
	actions.newTab.Connect("activate", func() {
		n := p.OpenPage(BlankPage)
		p.FocusPageN(n)
	})
	actions.quit.Connect("activate", func() {
		gtk.MainQuit()
	})

	nb.SetActionWidget(actions, gtk.PACK_END)
	actions.Show()

	return p
}

func main() {
	/*
	   We set an environment variable so that we don't get bothered by xterm accessibility warnings
	   like "** (xterm:16917): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-QznzMfGEXB: Connection refused"
	   See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15154
	*/
	os.Setenv("NO_AT_BRIDGE", "1")

	// Initialize GTK without parsing any command line arguments.
	gtk.Init(nil)

	// Create a new toplevel window, set its title, and connect it to the
	// "destroy" signal to exit the GTK main loop when it is destroyed.
	win, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
	if err != nil {
		log.Fatal("Unable to create window:", err)
	}
	win.SetTitle("Simple Example")
	win.Connect("destroy", func() {
		gtk.MainQuit()
	})

	// Create a new socket:
	s, err := gtkx.SocketNew()
	if err != nil {
		log.Fatal("Unable to create socket:", err)
	}

	//Adding the socket to the window:
	win.Add(s)

	// Getting the socketId:
	sId := s.GetId()
	fmt.Printf("Our socket: %v\n", sId)

	// Embedding something in the socket:
	xterm := exec.Command("xterm", "-into", gtkx.WindowIdToString(sId))

	go func() {
		xterm.Run()
	}()

	// Set the default window size.
	win.SetDefaultSize(800, 600)

	// Recursively show all widgets contained in this window.
	win.ShowAll()

	// Begin executing the GTK main loop.  This blocks until
	// gtk.MainQuit() is run.
	gtk.Main()
}

func setup_window(title string) *gtk.Window {
	win, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
	if err != nil {
		log.Fatal("Unable to create window:", err)
	}
	win.SetTitle(title)
	win.Connect("destroy", func() {
		gtk.MainQuit()
	})
	win.SetDefaultSize(800, 600)
	win.SetPosition(gtk.WIN_POS_CENTER)
	return win
}

func main() {
	gtk.Init(nil)

	win, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
	if err != nil {
		log.Fatal("Unable to create window:", err)
	}
	win.Connect("destroy", func() {
		gtk.MainQuit()
	})

	win.Add(windowWidget())

	// Native GTK is not thread safe, and thus, gotk3's GTK bindings may not
	// be used from other goroutines.  Instead, glib.IdleAdd() must be used
	// to add a function to run in the GTK main loop when it is in an idle
	// state.
	//
	// Two examples of using glib.IdleAdd() are shown below.  The first runs
	// a user created function, LabelSetTextIdle, and passes it two
	// arguments for a label and the text to set it with.  The second calls
	// (*gtk.Label).SetText directly, passing in only the text as an
	// argument.
	//
	// If the function passed to glib.IdleAdd() returns one argument, and
	// that argument is a bool, this return value will be used in the same
	// manner as a native g_idle_add() call.  If this return value is false,
	// the function will be removed from executing in the GTK main loop's
	// idle state.  If the return value is true, the function will continue
	// to execute when the GTK main loop is in this state.
	go func() {
		for {
			time.Sleep(time.Second)
			s := fmt.Sprintf("Set a label %d time(s)!", nSets)
			_, err := glib.IdleAdd(LabelSetTextIdle, topLabel, s)
			if err != nil {
				log.Fatal("IdleAdd() failed:", err)
			}
			nSets++
			s = fmt.Sprintf("Set a label %d time(s)!", nSets)
			_, err = glib.IdleAdd(bottomLabel.SetText, s)
			if err != nil {
				log.Fatal("IdleAdd() failed:", err)
			}
			nSets++
		}
	}()

	win.ShowAll()
	gtk.Main()
}

func main() {
	gtk.Init(nil)

	win, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
	if err != nil {
		log.Fatal("Unable to create window:", err)
	}
	win.Connect("destroy", func() {
		gtk.MainQuit()
	})

	win.Add(windowWidget())
	win.ShowAll()

	gtk.Main()
}

// RunGUI initializes GTK, creates the toplevel window and all child widgets,
// opens the pages for the default session, and runs the Glib main event loop.
// This function blocks until the toplevel window is destroyed and the event
// loop exits.
func RunGUI() {
	gtk.Init(nil)

	window, _ := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
	window.Connect("destroy", func() {
		gtk.MainQuit()
	})
	window.SetDefaultGeometry(defaultWinWidth, defaultWinHeight)
	window.Show()

	wc := wk2.DefaultWebContext()
	wc.SetProcessModel(wk2.ProcessModelMultipleSecondaryProcesses)

	session := []PageDescription{HomePage}
	pm := NewPageManager(session)
	window.Add(pm)
	pm.Show()

	gtk.Main()
}

// Displays image in a new Gtk window
// This function blocks until the window is closed
func displayImage(img image.Image) error {
	// Copy img into a new gdk.Pixbuf
	pixbuf, err := imageToPixbuf(img)
	if err != nil {
		return errors.New("Failed to create a pixbuf for image")
	}
	// Initialize GtkWindow
	gtk.Init(nil)
	win, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
	if err != nil {
		return errors.New("Failed to create new window")
	}
	win.Connect("destroy", func() { gtk.MainQuit() })
	// Create GtkImage widget from pixbuf
	gimg, err := gtk.ImageNewFromPixbuf(pixbuf)
	if err != nil {
		return errors.New("Failed to load image into window")
	}
	win.Add(gimg)
	win.ShowAll()
	gtk.Main()
	return nil
}

func TestWebView_LoadURI(t *testing.T) {
	setup()
	defer teardown()

	responseOk := false
	mux.HandleFunc("/", func(w http.ResponseWriter, _ *http.Request) {
		w.Write([]byte("abc"))
		responseOk = true
	})

	loadFinished := false
	webView.Connect("load-failed", func() {
		t.Errorf("load failed")
	})
	webView.Connect("load-changed", func(_ *glib.Object, loadEvent LoadEvent) {
		switch loadEvent {
		case LoadFinished:
			loadFinished = true
			gtk.MainQuit()
		}
	})

	glib.IdleAdd(func() bool {
		webView.LoadURI(server.URL)
		return false
	})

	gtk.Main()

	if !responseOk {
		t.Error("!responseOk")
	}
	if !loadFinished {
		t.Error("!loadFinished")
	}
}

func main() {
	gtk.Init(nil)

	win, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
	if err != nil {
		log.Fatal("Unable to create window:", err)
	}
	win.SetTitle("UDP client v0.0.1")
	win.Connect("destroy", func() {
		gtk.MainQuit()
	})

	var c client.Client
	answers := make(chan string)

	grid, err := gtk.GridNew()
	if err != nil {
		log.Fatal("Unable to create grid:", err)
	}

	messageHistory, err := gtk.TextViewNew()
	if err != nil {
		log.Fatal("Unable to create TextView:", err)
	}
	grid.Attach(messageHistory, 0, 0, 4, 1)

	messageEntry, err := gtk.EntryNew()
	if err != nil {
		log.Fatal("Unable to create entry:", err)
	}
	grid.Attach(messageEntry, 0, 1, 1, 1)

	privateEntry, err := gtk.EntryNew()
	if err != nil {
		log.Fatal("Unable to create entry:", err)
	}
	grid.Attach(privateEntry, 1, 1, 1, 1)

	sendButton, err := gtk.ButtonNewWithLabel("Send")
	if err != nil {
		log.Fatal("Unable to create button:", err)
	}
	sendButton.Connect("clicked", func(btn *gtk.Button) {
		lbl, _ := btn.GetLabel()
		if lbl != "Send" {
			return
		}
		log.Print(lbl)
		msg, _ := messageEntry.GetText()
		log.Print(msg)
		c.Message(msg)
	})
	grid.Attach(sendButton, 0, 2, 1, 1)

	privateButton, err := gtk.ButtonNewWithLabel("Private")
	if err != nil {
		log.Fatal("Unable to create button:", err)
	}
	privateButton.Connect("clicked", func(btn *gtk.Button) {
		lbl, _ := btn.GetLabel()
		if lbl != "Private" {
			return
		}
		log.Print(lbl)
		private, _ := privateEntry.GetText()
		log.Print(private)
		if private != "" {
			msg, _ := messageEntry.GetText()
			log.Print(msg)
			c.Private(private, msg)
		}
	})
	grid.Attach(privateButton, 1, 2, 1, 1)

	listButton, err := gtk.ButtonNewWithLabel("List")
	if err != nil {
		log.Fatal("Unable to create button:", err)
	}
	listButton.Connect("clicked", func(btn *gtk.Button) {
		lbl, _ := btn.GetLabel()
		if lbl != "List" {
			return
		}
		log.Print(lbl)
		c.List()
		log.Print(lbl)
	})
	grid.Attach(listButton, 2, 1, 1, 1)

	leaveButton, err := gtk.ButtonNewWithLabel("Leave")
	if err != nil {
		log.Fatal("Unable to create button:", err)
	}
	leaveButton.Connect("clicked", func(btn *gtk.Button) {
		lbl, _ := btn.GetLabel()
		if lbl != "Leave" {
			return
		}
		log.Print(lbl)
		c.Leave()
//.........这里部分代码省略.........