func windowWidget() *gtk.Widget { grid, err := gtk.GridNew() if err != nil { log.Fatal("Unable to create grid:", err) } grid.SetOrientation(gtk.ORIENTATION_VERTICAL) topLabel, err = gtk.LabelNew("Text set by initializer") if err != nil { log.Fatal("Unable to create label:", err) } bottomLabel, err = gtk.LabelNew("Text set by initializer") if err != nil { log.Fatal("Unable to create label:", err) } grid.Add(topLabel) grid.Add(bottomLabel) topLabel.SetHExpand(true) topLabel.SetVExpand(true) bottomLabel.SetHExpand(true) bottomLabel.SetVExpand(true) return &grid.Container.Widget }
func main() { gtk.Init(nil) win, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL) panicIfNotNil(err) win.Connect("destroy", func() { gtk.MainQuit() }) win.SetDefaultSize(1280, 720) win.SetTitle("mauIRC Desktop") // Create a new grid widget to arrange child widgets grid, err := gtk.GridNew() panicIfNotNil(err) grid.SetOrientation(gtk.ORIENTATION_VERTICAL) loginLabel, err := gtk.LabelNew("Log in to mauIRC") panicIfNotNil(err) email, err := gtk.EntryNew() panicIfNotNil(err) password, err := gtk.EntryNew() panicIfNotNil(err) password.SetVisibility(false) btn, err := gtk.ButtonNewWithLabel("Log in") panicIfNotNil(err) grid.Attach(loginLabel, 0, 2, 1, 1) grid.Attach(email, 0, 3, 1, 1) grid.Attach(password, 0, 4, 1, 1) grid.Attach(btn, 0, 5, 1, 1) //grid.Attach(nb, 1, 1, 1, 2) //nb.SetHExpand(true) //nb.SetVExpand(true) /*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)*/ win.Add(grid) win.ShowAll() gtk.Main() }
func windowWidget() *gtk.Widget { grid, err := gtk.GridNew() if err != nil { log.Fatal("Unable to create grid:", err) } grid.SetOrientation(gtk.ORIENTATION_VERTICAL) entry, err := gtk.EntryNew() if err != nil { log.Fatal("Unable to create entry:", err) } s, _ := entry.GetText() label, err := gtk.LabelNew(s) if err != nil { log.Fatal("Unable to create label:", err) } grid.Add(entry) entry.SetHExpand(true) grid.AttachNextTo(label, entry, gtk.POS_RIGHT, 1, 1) label.SetHExpand(true) // Connects this entry's "activate" signal (which is emitted whenever // Enter is pressed when the Entry is activated) to an anonymous // function that gets the current text of the entry and sets the text of // the label beside it with it. Unlike with native GTK callbacks, // (*glib.Object).Connect() supports closures. In this example, this is // demonstrated by using the label variable. Without closures, a // pointer to the label would need to be passed in as user data // (demonstrated in the next example). entry.Connect("activate", func() { s, _ := entry.GetText() label.SetText(s) }) sb, err := gtk.SpinButtonNewWithRange(0, 1, 0.1) if err != nil { log.Fatal("Unable to create spin button:", err) } pb, err := gtk.ProgressBarNew() if err != nil { log.Fatal("Unable to create progress bar:", err) } grid.Add(sb) sb.SetHExpand(true) grid.AttachNextTo(pb, sb, gtk.POS_RIGHT, 1, 1) label.SetHExpand(true) // Pass in a ProgressBar and the target SpinButton as user data rather // than using the sb and pb variables scoped to the anonymous func. // This can be useful when passing in a closure that has already been // generated, but when you still wish to connect the callback with some // variables only visible in this scope. sb.Connect("value-changed", func(sb *gtk.SpinButton, pb *gtk.ProgressBar) { pb.SetFraction(sb.GetValue() / 1) }, pb) label, err = gtk.LabelNew("") if err != nil { log.Fatal("Unable to create label:", err) } s = "Hyperlink to <a href=\"https://www.cyphertite.com/\">Cyphertite</a> for your clicking pleasure" label.SetMarkup(s) grid.AttachNextTo(label, sb, gtk.POS_BOTTOM, 2, 1) // Some GTK callback functions require arguments, such as the // 'gchar *uri' argument of GtkLabel's "activate-link" signal. // These can be used by using the equivalent go type (in this case, // a string) as a closure argument. label.Connect("activate-link", func(_ *gtk.Label, uri string) { fmt.Println("you clicked a link to:", uri) }) return &grid.Container.Widget }
func main() { gtk.Init(nil) win, err := gtk.WindowNew(gtk.WINDOW_TOPLEVEL) if err != nil { log.Fatal("Impossible de créer la fenêtre :", err) } win.SetTitle("GoBox a0.1") win.Connect("destroy", func() { gtk.MainQuit() }) grid, err := gtk.GridNew() if err != nil { log.Fatal("Impossible de créer la grille :", err) } label1, err := gtk.LabelNew("Adresse IP / Port : ") if err != nil { log.Fatal("Impossible de créer le label IP :", err) } label3, err := gtk.LabelNew("Dossier à synchroniser : ") if err != nil { log.Fatal("Impossible de créer le label Dossier :", err) } entry1, err := gtk.EntryNew() if err != nil { log.Fatal("Impossible de créer le champ IP :", err) } entry2, err := gtk.EntryNew() if err != nil { log.Fatal("Impossible de créer le champ Port :", err) } entry3, err := gtk.EntryNew() if err != nil { log.Fatal("Impossible de créer le champ Dossier :", err) } btn, err := gtk.ButtonNewWithLabel("Lancer la synchronisation") if err != nil { log.Fatal("Impossible de créer le bouton synchronisation :", err) } /*btn2, err := gtk.FileChooserButtonNew("Choix") if err != nil { log.Fatal("Impossible de créer le bouton choix :", err) }*/ grid.SetOrientation(gtk.ORIENTATION_HORIZONTAL) //Attach(child IWidget, left, top, width, height int) grid.Add(label1) grid.SetOrientation(gtk.ORIENTATION_HORIZONTAL) grid.Add(entry1) grid.Add(entry2) grid.SetOrientation(gtk.ORIENTATION_VERTICAL) grid.Add(label3) grid.Add(entry3) grid.Attach(btn, 1, 2, 1, 2) btn.Connect("clicked", func() { /*dialog, _ := gtk.DialogNew() filechooser, _ := gtk.FileChooserWidgetNew(gtk.FILE_CHOOSER_ACTION_SELECT_FOLDER) dialog.AddButton("Valider", gtk.RESPONSE_ACCEPT) dialog.AddButton("Annuler", gtk.RESPONSE_CANCEL) dialog.SetTitle("Choisir le dossier a synchroniser") box, _ := dialog.GetContentArea() box.Add(filechooser) box.ShowAll() log.Print("Clic lancer synchro")*/ filechooserdialog, _ := gtk.FileChooserDialogNewWith1Button( "Choisissez un fichier ...", //btn.GetTopLevelAsWindow(), win, gtk.FILE_CHOOSER_ACTION_OPEN, "Valider", gtk.RESPONSE_ACCEPT) /*filter := gtk.NewFileFilter() filter.AddPattern("*.go") filechooserdialog.AddFilter(filter)*/ filechooserdialog.Response(func() { println(filechooserdialog.GetFilename()) filechooserdialog.Destroy() }) filechooserdialog.Run() }) /* nbChildAll, err := gtk.LabelNew("Tous mes fichiers sont ici") if err != nil { log.Fatal("Unable to create button:", err) } nbTabAll, err := gtk.LabelNew("Tout") if err != nil { log.Fatal("Unable to create label:", err) } nbChildMusic, err := gtk.LabelNew("Toute ma musique est ici") if err != nil { log.Fatal("Unable to create button:", err) } nbTabMusic, err := gtk.LabelNew("Musique") if err != nil { log.Fatal("Unable to create label:", err) } nbChildPhotos, err := gtk.LabelNew("Toutes mes photos sont ici") if err != nil { log.Fatal("Unable to create button:", err) } nbTabPhotos, err := gtk.LabelNew("Photos") if err != nil { log.Fatal("Unable to create label:", err) } nbChildVideos, err := gtk.LabelNew("Toutes mes vidéos sont ici") if err != nil { log.Fatal("Unable to create button:", err) } nbTabVideos, err := gtk.LabelNew("Vidéos") if err != nil { log.Fatal("Unable to create label:", err) } nb.AppendPage(nbChildAll, nbTabAll) nb.AppendPage(nbChildMusic, nbTabMusic) nb.AppendPage(nbChildPhotos, nbTabPhotos) nb.AppendPage(nbChildVideos, nbTabVideos)*/ win.Add(grid) win.SetDefaultSize(200, 250) win.ShowAll() gtk.Main() }
func windowWidget() *gtk.Widget { grid, err := gtk.GridNew() if err != nil { log.Fatal("Unable to create grid:", err) } grid.SetOrientation(gtk.ORIENTATION_VERTICAL) // Just as a demonstration, we create and destroy a Label without ever // adding it to a container. In native GTK, this would result in a // memory leak, since gtk_widget_destroy() will not deallocate any // memory when passed a GtkWidget with a floating reference. // // gotk3 handles this situation by always sinking floating references // of any struct type embedding a glib.InitiallyUnowned, and by setting // a finalizer to unreference the object when Go has lost scope of the // variable. Due to this design, widgets may be allocated freely // without worrying about handling memory incorrectly. // // The following code is not entirely useful (except to demonstrate // this point), but it is also not "incorrect" as the C equivalent // would be. unused, err := gtk.LabelNew("This label is never used") if err != nil { // Calling Destroy() is also unnecessary in this case. The // memory will still be freed with or without calling it. unused.Destroy() } sw, err := gtk.ScrolledWindowNew(nil, nil) if err != nil { log.Fatal("Unable to create scrolled window:", err) } grid.Attach(sw, 0, 0, 2, 1) sw.SetHExpand(true) sw.SetVExpand(true) labelsGrid, err := gtk.GridNew() if err != nil { log.Fatal("Unable to create grid:", err) } labelsGrid.SetOrientation(gtk.ORIENTATION_VERTICAL) sw.Add(labelsGrid) labelsGrid.SetHExpand(true) insertBtn, err := gtk.ButtonNewWithLabel("Add a label") if err != nil { log.Fatal("Unable to create button:", err) } removeBtn, err := gtk.ButtonNewWithLabel("Remove a label") if err != nil { log.Fatal("Unable to create button:", err) } nLabels := 1 insertBtn.Connect("clicked", func() { var s string if nLabels == 1 { s = fmt.Sprintf("Inserted %d label.", nLabels) } else { s = fmt.Sprintf("Inserted %d labels.", nLabels) } label, err := gtk.LabelNew(s) if err != nil { log.Print("Unable to create label:", err) return } labelList.PushBack(label) labelsGrid.Add(label) label.SetHExpand(true) labelsGrid.ShowAll() nLabels++ }) removeBtn.Connect("clicked", func() { e := labelList.Front() if e == nil { log.Print("Nothing to remove") return } lab, ok := labelList.Remove(e).(*gtk.Label) if !ok { log.Print("Element to remove is not a *gtk.Label") return } // (*Widget).Destroy() breaks this label's reference with all // other objects (in this case, the Grid container it was added // to). lab.Destroy() // At this point, only Go retains a reference to the GtkLabel. // When the lab variable goes out of scope when this function // returns, at the next garbage collector run, a finalizer will // be run to perform the final unreference and free the widget. }) grid.Attach(insertBtn, 0, 1, 1, 1) grid.Attach(removeBtn, 1, 1, 1, 1) return &grid.Container.Widget }
// Grid creates a *gtk.Grid. func Grid() *gtk.Grid { w, _ := gtk.GridNew() return w }
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() }