Golang gtk.Main函数代码示例

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 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 init() {
	gtk.Init(nil)
	go func() {
		runtime.LockOSThread()
		gtk.Main()
	}()
}

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_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 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 Example() {
	gtk.Init(nil)
	go func() {
		runtime.LockOSThread()
		gtk.Main()
	}()

	ctx := webloop.New()
	view := ctx.NewView()
	defer view.Close()
	view.Open("http://google.com")
	err := view.Wait()
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to load URL: %s", err)
		os.Exit(1)
	}
	res, err := view.EvaluateJavaScript("document.title")
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to run JavaScript: %s", err)
		os.Exit(1)
	}
	fmt.Printf("JavaScript returned: %q\n", res)
	// output:
	// JavaScript returned: "Google"
}

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_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)
	}
}

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()
}

// StartGTK ensures that the GTK+ main loop has started. If it has already been
// started by StartGTK, it will not start it again. If another goroutine is
// already running the GTK+ main loop, StartGTK's behavior is undefined.
func (h *StaticRenderer) StartGTK() {
	startGTKOnce.Do(func() {
		gtk.Init(nil)
		go func() {
			runtime.LockOSThread()
			gtk.Main()
		}()
	})
}

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 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() {
	goline.LoggerPrintln("Start Goline.")
	gtk.Init(&os.Args)
	css.SetupCss()
	if goline.Autologin && goline.AuthToken != "" {
		autologinWindow := NewAutologinWindow()
		autologinWindow.window.ShowAll()
		autologinWindow.Login()
	} else {
		loginWindow := NewLoginWindow()
		loginWindow.window.ShowAll()
	}
	gtk.Main()
}