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 setup_btn(label string, onClick func()) *gtk.Button {
btn, err := gtk.ButtonNewWithLabel(label)
if err != nil {
log.Fatal("Unable to create button:", err)
}
btn.Connect("clicked", onClick)
return btn
}
func (self *MainWindow) attachFriend(entity api.LineEntity) {
btn, err := gtk.ButtonNewWithLabel(entity.GetName())
if err != nil {
goline.LoggerPanicln(err)
}
self.Connect(btn, "clicked", func() {
id := entity.GetId()
if self.chatWindows[id] == nil {
self.chatWindows[id] = NewChatWindow(self, entity)
self.chatWindows[id].window.ShowAll()
} else {
self.chatWindows[id].window.Present()
}
})
self.friendsBox.Add(btn)
}
func createRecvCoins() *gtk.Widget {
store, err := gtk.ListStoreNew(glib.TYPE_STRING, glib.TYPE_STRING)
if err != nil {
log.Fatal(err)
}
RecvCoins.Store = store
tv, err := gtk.TreeViewNewWithModel(store)
if err != nil {
log.Fatal(err)
}
RecvCoins.Treeview = tv
renderer, err := gtk.CellRendererTextNew()
if err != nil {
log.Fatal(err)
}
renderer.Set("editable", true)
renderer.Set("editable-set", true)
renderer.Connect("edited", func(_ *glib.Object, path, text string) {
iter, err := store.GetIterFromString(path)
if err == nil {
store.Set(iter, []int{0}, []interface{}{text})
}
})
col, err := gtk.TreeViewColumnNewWithAttribute("Label", renderer,
"text", 0)
if err != nil {
log.Fatal(err)
}
col.SetExpand(true)
tv.AppendColumn(col)
cr, err := gtk.CellRendererTextNew()
if err != nil {
log.Fatal(err)
}
col, err = gtk.TreeViewColumnNewWithAttribute("Address", cr, "text", 1)
if err != nil {
log.Fatal(err)
}
col.SetMinWidth(350)
tv.AppendColumn(col)
newAddr, err := gtk.ButtonNewWithLabel("New Address")
if err != nil {
log.Fatal(err)
}
newAddr.SetSizeRequest(150, -1)
newAddr.Connect("clicked", func() {
go func() {
triggers.newAddr <- 1
reply := <-triggerReplies.newAddr
if err, ok := reply.(error); ok {
glib.IdleAdd(func() {
mDialog := errorDialog("New address generation failed",
err.Error())
mDialog.Run()
mDialog.Destroy()
})
} else if addr, ok := reply.(string); ok {
glib.IdleAdd(func() {
iter := RecvCoins.Store.Append()
RecvCoins.Store.Set(iter, []int{0, 1},
[]interface{}{"", addr})
})
}
}()
})
newAddr.SetSensitive(false)
RecvCoins.NewAddrBtn = newAddr
buttons, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
buttons.Add(newAddr)
cpyAddr, err := gtk.ButtonNewWithLabel("Copy Address")
if err != nil {
log.Fatal(err)
}
cpyAddr.SetSizeRequest(150, -1)
cpyAddr.Connect("clicked", func() {
sel, err := tv.GetSelection()
if err != nil {
log.Fatal(err)
}
var iter gtk.TreeIter
if sel.GetSelected(nil, &iter) {
val, err := store.GetValue(&iter, 1)
if err != nil {
log.Fatal(err)
}
display, err := gdk.DisplayGetDefault()
if err != nil {
log.Fatal(err)
}
clipboard, err := gtk.ClipboardGetForDisplay(
display,
gdk.SELECTION_CLIPBOARD)
if err != nil {
log.Fatal(err)
}
primary, err := gtk.ClipboardGetForDisplay(
display,
gdk.SELECTION_PRIMARY)
if err != nil {
log.Fatal(err)
}
s, _ := val.GetString()
clipboard.SetText(s)
primary.SetText(s)
}
})
buttons.Add(cpyAddr)
sw, err := gtk.ScrolledWindowNew(nil, nil)
if err != nil {
log.Fatal(err)
}
sw.Add(tv)
sw.SetPolicy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
sw.SetHExpand(true)
sw.SetVExpand(true)
grid, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
grid.SetOrientation(gtk.ORIENTATION_VERTICAL)
grid.Add(sw)
grid.Add(buttons)
return &grid.Container.Widget
}
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
}
func createAddrBook() *gtk.Widget {
grid, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
grid.SetOrientation(gtk.ORIENTATION_VERTICAL)
store, err := gtk.ListStoreNew(glib.TYPE_STRING, glib.TYPE_STRING)
if err != nil {
log.Fatal(err)
}
tv, err := gtk.TreeViewNew()
if err != nil {
log.Fatal(err)
}
tv.SetModel(store)
addrBookWidgets.store = store
addrBookWidgets.treeview = tv
sw, err := gtk.ScrolledWindowNew(nil, nil)
if err != nil {
log.Fatal(err)
}
sw.Add(tv)
sw.SetPolicy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
sw.SetHExpand(true)
sw.SetVExpand(true)
grid.Add(sw)
renderer, err := gtk.CellRendererTextNew()
if err != nil {
log.Fatal(err)
}
renderer.Set("editable", true)
renderer.Set("editable-set", true)
renderer.Connect("edited", func(_ *glib.Object, path, text string) {
iter, err := store.GetIterFromString(path)
if err == nil {
store.Set(iter, []int{0}, []interface{}{text})
}
})
col, err := gtk.TreeViewColumnNewWithAttribute("Label", renderer, "text", 0)
if err != nil {
log.Fatal(err)
}
col.SetExpand(true)
tv.AppendColumn(col)
renderer, err = gtk.CellRendererTextNew()
if err != nil {
log.Fatal(err)
}
renderer.Set("editable", true)
renderer.Set("editable-set", true)
renderer.Connect("edited", func(_ *glib.Object, path, text string) {
iter, err := store.GetIterFromString(path)
if err == nil {
// TODO(jrick): verify this is a valid address
store.Set(iter, []int{1}, []interface{}{text})
}
})
col, err = gtk.TreeViewColumnNewWithAttribute("Address", renderer,
"text", 1)
if err != nil {
log.Fatal(err)
}
col.SetMinWidth(350)
tv.AppendColumn(col)
// put in an example address
iter := store.Append()
store.Set(iter, []int{0, 1}, []interface{}{"editable label", "01234567890"})
buttons, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
newAddr, err := gtk.ButtonNewWithLabel("New Address")
if err != nil {
log.Fatal(err)
}
newAddr.SetSizeRequest(150, -1)
newAddr.Connect("clicked", func() {
iter := store.Append()
store.Set(iter, []int{0, 1}, []interface{}{"", "new address"})
})
buttons.Add(newAddr)
cpyAddr, err := gtk.ButtonNewWithLabel("Copy Address")
if err != nil {
log.Fatal(err)
}
cpyAddr.SetSizeRequest(150, -1)
cpyAddr.Connect("clicked", func() {
sel, err := tv.GetSelection()
if err != nil {
log.Fatal(err)
}
var iter gtk.TreeIter
if sel.GetSelected(nil, &iter) {
val, err := store.GetValue(&iter, 1)
if err != nil {
log.Fatal(err)
}
display, err := gdk.DisplayGetDefault()
if err != nil {
log.Fatal(err)
}
clipboard, err := gtk.ClipboardGetForDisplay(
display,
gdk.SELECTION_CLIPBOARD)
if err != nil {
log.Fatal(err)
}
primary, err := gtk.ClipboardGetForDisplay(
display,
gdk.SELECTION_PRIMARY)
if err != nil {
log.Fatal(err)
}
s, _ := val.GetString()
clipboard.SetText(s)
primary.SetText(s)
}
})
buttons.Add(cpyAddr)
grid.Add(buttons)
return &grid.Container.Widget
}
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 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 createSendCoins() *gtk.Widget {
grid, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
grid.SetOrientation(gtk.ORIENTATION_VERTICAL)
sw, err := gtk.ScrolledWindowNew(nil, nil)
if err != nil {
log.Fatal(err)
}
sw.SetPolicy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
sw.SetHExpand(true)
sw.SetVExpand(true)
grid.Add(sw)
entriesGrid, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
SendCoins.EntryGrid = entriesGrid
entriesGrid.SetOrientation(gtk.ORIENTATION_VERTICAL)
sw.Add(entriesGrid)
insertSendEntries(entriesGrid)
bot, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
btn, err := gtk.ButtonNewWithLabel("Add Recipient")
if err != nil {
log.Fatal(err)
}
btn.SetSizeRequest(150, -1)
btn.Connect("clicked", func() {
insertSendEntries(entriesGrid)
})
bot.Add(btn)
l, err := gtk.LabelNew("Balance: ")
if err != nil {
log.Fatal(err)
}
bot.Add(l)
SendCoins.Balance = l
submitBtn, err := gtk.ButtonNewWithLabel("Send")
if err != nil {
log.Fatal(err)
}
submitBtn.SetSizeRequest(150, -1)
submitBtn.SetHAlign(gtk.ALIGN_END)
submitBtn.SetHExpand(true)
submitBtn.SetSensitive(false)
submitBtn.Connect("clicked", func() {
sendTo := make(map[string]float64)
for e := recipients.Front(); e != nil; e = e.Next() {
r := e.Value.(*recipient)
// Get and validate address
addr, err := r.payTo.GetText()
if err != nil {
d := errorDialog("Error getting payment address", err.Error())
d.Run()
d.Destroy()
return
}
_, net, err := btcutil.DecodeAddress(addr)
if err != nil {
d := errorDialog("Invalid payment address",
fmt.Sprintf("'%v' is not a valid payment address", addr))
d.Run()
d.Destroy()
return
}
switch net {
case btcwire.MainNet:
if !cfg.MainNet {
d := errorDialog("Invalid payment address",
fmt.Sprintf("'%v' is a mainnet address", addr))
d.Run()
d.Destroy()
return
}
case btcwire.TestNet3:
if cfg.MainNet {
d := errorDialog("Invalid payment address",
fmt.Sprintf("'%v' is a testnet address", addr))
d.Run()
d.Destroy()
return
}
}
// Get amount and units and convert to float64
amt := r.amount.GetValue()
// Combo box isn't used right now.
/*
switch r.combo.GetActive() {
case 0: // BTC
// nothing
case 1: // mBTC
amt /= 1000
case 2: // uBTC
amt /= 1000000
}
*/
sendTo[addr] = amt
}
go txSenderAndReplyListener(sendTo)
})
SendCoins.SendBtn = submitBtn
bot.Add(submitBtn)
grid.Add(bot)
return &grid.Container.Widget
}