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 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 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 init() { gtk.Init(nil) go func() { runtime.LockOSThread() 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() }
func main() { gtk.Init(nil) // The first thing ever done is to create a GTK error dialog to // show any errors to the user. If any fatal errors occur before // the main application window is shown, they will be shown using // this dialog. PreGUIErrorDialog = gtk.MessageDialogNew(nil, 0, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, "An unknown error occured.") PreGUIErrorDialog.SetPosition(gtk.WIN_POS_CENTER) PreGUIErrorDialog.Connect("destroy", func() { os.Exit(1) }) tcfg, _, err := loadConfig() if err != nil { if e, ok := err.(*flags.Error); !ok || e.Type != flags.ErrHelp { PreGUIError(fmt.Errorf("Cannot open configuration:\n%v", err)) } else { os.Exit(1) } } cfg = tcfg // Load help dialog on first open. Use current and previous versions // can be used to control what level of new information must be // displayed. // // // As currently implemented, if current > previous version, or if // there are any errors opening and reading the file, any and all // tutorial information is displayed. prevRunVers, err := GetPreviousAppVersion(cfg) if err != nil || version.NewerThan(*prevRunVers) { d, err := CreateTutorialDialog(nil) if err != nil { // Nothing to show. PreGUIError(fmt.Errorf("Cannot create tutorial dialog:\n%v", err)) } d.ShowAll() d.Run() } else { // No error or tutorial dialogs required, so create and show // main application window. go StartMainApplication() } 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() }
func main() { gtk.Init(nil) win := setupWindow() box, _ := gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 0) win.Add(box) tv := setupTextView(box) props := []*BoolProperty{ &BoolProperty{"cursor visible", (*tv).GetCursorVisible, (*tv).SetCursorVisible}, &BoolProperty{"editable", (*tv).GetEditable, (*tv).SetEditable}, &BoolProperty{"overwrite", (*tv).GetOverwrite, (*tv).SetOverwrite}, &BoolProperty{"accepts tab", (*tv).GetAcceptsTab, (*tv).SetAcceptsTab}, } setupPropertyCheckboxes(tv, box, props) win.ShowAll() gtk.Main() }
func main() { gtk.Init(nil) // gui boilerplate win, _ := gtk.WindowNew(gtk.WINDOW_TOPLEVEL) da, _ := gtk.DrawingAreaNew() win.Add(da) win.SetTitle("Arrow keys") win.Connect("destroy", gtk.MainQuit) win.ShowAll() // Data unitSize := 20.0 x := 0.0 y := 0.0 keyMap := map[uint]func(){ KEY_LEFT: func() { x-- }, KEY_UP: func() { y-- }, KEY_RIGHT: func() { x++ }, KEY_DOWN: func() { y++ }, } // Event handlers da.Connect("draw", func(da *gtk.DrawingArea, cr *cairo.Context) { cr.SetSourceRGB(0, 0, 0) cr.Rectangle(x*unitSize, y*unitSize, unitSize, unitSize) cr.Fill() }) win.Connect("key-press-event", func(win *gtk.Window, ev *gdk.Event) { keyEvent := &gdk.EventKey{ev} if move, found := keyMap[keyEvent.KeyVal()]; found { move() win.QueueDraw() } }) gtk.Main() }
func New(engine *engine.Engine, plugins *PluginCollection) *Ui { gtk.Init(nil) ui := &Ui{ engine: engine, plugins: plugins, devices: map[string]*network.Device{}, Available: make(chan *network.Device), Unavailable: make(chan *network.Device), RequestsPairing: make(chan *network.Device), Connected: make(chan *network.Device), Disconnected: make(chan *network.Device), Quit: make(chan bool), } ui.init() go gtk.Main() go ui.listen() return ui }
// 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 main() { gtk.Init(nil) win := setup_window("Simple Example") box := setup_box(gtk.ORIENTATION_VERTICAL) win.Add(box) tv := setup_tview() set_text_in_tview(tv, "Hello there!") box.PackStart(tv, true, true, 0) btn := setup_btn("Submit", func() { text := get_text_from_tview(tv) fmt.Println(text) }) box.Add(btn) // 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() { flag.Usage = func() { fmt.Fprintln(os.Stderr) fmt.Fprintf(os.Stderr, "webkit-eval-js evaluates a JavaScript expression in the context of a web page\n") fmt.Fprintf(os.Stderr, "running in a headless instance of the WebKit browser.\n\n") fmt.Fprintf(os.Stderr, "Usage:\n\n") fmt.Fprintf(os.Stderr, "\twebkit-eval-js url script-file\n\n") fmt.Fprintf(os.Stderr, "url is the web page to execute the script in, and script-file is a local file\n") fmt.Fprintf(os.Stderr, "with the JavaScript you want to evaluate. The result is printed to stdout as JSON.\n\n") fmt.Fprintln(os.Stderr) fmt.Fprintf(os.Stderr, "Example usage:\n\n") fmt.Fprintf(os.Stderr, "\tTo return the value of `document.title` on https://google.com:\n") fmt.Fprintf(os.Stderr, "\t $ echo document.title | webkit-eval-js https://google.com /dev/stdin\n") fmt.Fprintf(os.Stderr, "\tPrints:\n") fmt.Fprintf(os.Stderr, "\t \"Google\"\n\n") fmt.Fprintf(os.Stderr, "Notes:\n\n") fmt.Fprintf(os.Stderr, "\tBecause a headless WebKit instance is used, your $DISPLAY must be set. Use\n") fmt.Fprintf(os.Stderr, "\tXvfb if you are running on a machine without an existing X server. See\n") fmt.Fprintf(os.Stderr, "\thttps://sourcegraph.com/github.com/sourcegraph/go-webkit2/readme for more info.\n") fmt.Fprintln(os.Stderr) os.Exit(1) } flag.Parse() if flag.NArg() != 2 { flag.Usage() os.Exit(1) } log := log.New(os.Stderr, "", 0) pageURL := flag.Arg(0) scriptFile := flag.Arg(1) if _, err := url.Parse(pageURL); err != nil { log.Fatalf("Failed to parse URL %q: %s", pageURL, err) } script, err := ioutil.ReadFile(scriptFile) if err != nil { log.Fatalf("Failed to open script file %q: %s", scriptFile, err) } runtime.LockOSThread() gtk.Init(nil) webView := webkit2.NewWebView() defer webView.Destroy() webView.Connect("load-failed", func() { fmt.Println("Load failed.") }) webView.Connect("load-changed", func(_ *glib.Object, loadEvent webkit2.LoadEvent) { switch loadEvent { case webkit2.LoadFinished: webView.RunJavaScript(string(script), func(val *gojs.Value, err error) { if err != nil { log.Fatalf("JavaScript error: %s", err) } else { json, err := val.JSON() if err != nil { log.Fatal("JavaScript serialization error: %s", err) } fmt.Println(string(json)) } gtk.MainQuit() }) } }) glib.IdleAdd(func() bool { webView.LoadURI(pageURL) return false }) 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.SetTitle("Grid Example") win.Connect("destroy", func() { gtk.MainQuit() }) // Create a new grid widget to arrange child widgets grid, err := gtk.GridNew() if err != nil { log.Fatal("Unable to create grid:", err) } // gtk.Grid embeds an Orientable struct to simulate the GtkOrientable // GInterface. Set the orientation from the default horizontal to // vertical. grid.SetOrientation(gtk.ORIENTATION_VERTICAL) // Create some widgets to put in the grid. lab, err := gtk.LabelNew("Just a label") if err != nil { log.Fatal("Unable to create label:", err) } btn, err := gtk.ButtonNewWithLabel("Button with label") if err != nil { log.Fatal("Unable to create button:", err) } entry, err := gtk.EntryNew() if err != nil { log.Fatal("Unable to create entry:", err) } spnBtn, err := gtk.SpinButtonNewWithRange(0.0, 1.0, 0.001) if err != nil { log.Fatal("Unable to create spin button:", err) } nb, err := gtk.NotebookNew() if err != nil { log.Fatal("Unable to create notebook:", err) } // Calling (*gtk.Container).Add() with a gtk.Grid will add widgets next // to each other, in the order they were added, to the right side of the // last added widget when the grid is in a horizontal orientation, and // at the bottom of the last added widget if the grid is in a vertial // orientation. Using a grid in this manner works similar to a gtk.Box, // but unlike gtk.Box, a gtk.Grid will respect its child widget's expand // and margin properties. grid.Add(btn) grid.Add(lab) grid.Add(entry) grid.Add(spnBtn) // Widgets may also be added by calling (*gtk.Grid).Attach() to specify // where to place the widget in the grid, and optionally how many rows // and columns to span over. // // Additional rows and columns are automatically added to the grid as // necessary when new widgets are added with (*gtk.Container).Add(), or, // as shown in this case, using (*gtk.Grid).Attach(). // // In this case, a notebook is added beside the widgets inserted above. // The notebook widget is inserted with a left position of 1, a top // position of 1 (starting at the same vertical position as the button), // a width of 1 column, and a height of 2 rows (spanning down to the // same vertical position as the entry). // // This example also demonstrates how not every area of the grid must // contain a widget. In particular, the area to the right of the label // and the right of spin button have contain no widgets. grid.Attach(nb, 1, 1, 1, 2) nb.SetHExpand(true) nb.SetVExpand(true) // Add a child widget and tab label to the notebook so it renders. nbChild, err := gtk.LabelNew("Notebook content") if err != nil { log.Fatal("Unable to create button:", err) } nbTab, err := gtk.LabelNew("Tab label") if err != nil { log.Fatal("Unable to create label:", err) } nb.AppendPage(nbChild, nbTab) // Add the grid to the window, and show all widgets. win.Add(grid) 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.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() os.Exit(0) }) grid.Attach(leaveButton, 3, 1, 1, 1) win.Add(grid) // Set the default window size. win.SetDefaultSize(400, 600) // Recursively show all widgets contained in this window. win.ShowAll() port, _ := strconv.Atoi(os.Args[3]) c.Init(os.Args[1], os.Args[2], port, answers) go printMessages(messageHistory, answers) go c.Answer() c.Register() gtk.Main() }
func (app *Application) Run() { gtk.Init(nil) app.active_dicts = make(map[string]bool) builder, err := gtk.BuilderNew() if err != nil { log.Fatal(err) } builder.AddFromFile("dictsearch.glade") w, err := builder.GetObject("win") if err != nil { log.Fatal(err) } app.win = w.(*gtk.Window) app.win.Connect("destroy", func() { gtk.MainQuit() }) // Box, containing list of dictionary chaeckbuttons dict_list_box, err := builder.GetObject("dict_list_box") if err != nil { log.Fatal(err) } app.dict_list = dict_list_box.(*gtk.Box) // Search Entry s_e, err := builder.GetObject("search_entry") if err != nil { log.Fatal(err) } app.search_entry = s_e.(*gtk.Entry) app.search_entry.Connect("activate", func() { text, err := app.search_entry.GetText() if err != nil { log.Fatal(err) } go app.Search(text, app.ch, app.done_flag) }) // Search Button s_b, err := builder.GetObject("search_button") if err != nil { log.Fatal(err) } app.search_button = s_b.(*gtk.Button) app.search_button.Connect("clicked", func() { text, err := app.search_entry.GetText() if err != nil { log.Fatal(err) } go app.Search(text, app.ch, app.done_flag) }) // Text View tv, err := builder.GetObject("textview") if err != nil { log.Fatal(err) } app.text_view = tv.(*gtk.TextView) app.text_view.SetEditable(false) app.text_view.SetWrapMode(gtk.WRAP_WORD) // Adding dictionary checkbuttons for i, dic := range app.GetDictList(dict_path) { dict_button, err := gtk.CheckButtonNew() if err != nil { log.Fatal(err) } label := dic dict_button.SetLabel(label) name := fmt.Sprintf("checkbutton%d", i) dict_button.SetName(name) dict_button.SetFocusOnClick(false) dict_button.Connect("toggled", func() { if dict_button.GetActive() { app.active_dicts[label] = true } else { delete(app.active_dicts, label) } }) app.dict_list.Add(dict_button) } // StatusBar stb, err := builder.GetObject("statusbar") if err != nil { log.Fatal(err) } app.status_bar = stb.(*gtk.Statusbar) app.search_entry.GrabFocus() app.win.ShowAll() gtk.Main() }
func init() { runtime.LockOSThread() gtk.Init(nil) }