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 (ui *Ui) initDeviceView() *gtk.Box {
vbox, _ := gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 0)
ui.deviceBox = vbox
hbox, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
vbox.PackStart(hbox, false, true, 20)
img, _ := gtk.ImageNew()
hbox.PackStart(img, false, true, 0)
ui.deviceIcon = img
nameBox, _ := gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 0)
hbox.PackStart(nameBox, true, true, 0)
l, _ := gtk.LabelNew("")
l.Set("xalign", 0)
nameBox.PackStart(l, true, true, 0)
ui.deviceNameLabel = l
l, _ = gtk.LabelNew("")
l.Set("xalign", 0)
nameBox.PackStart(l, true, true, 0)
ui.deviceStatusLabel = l
browseBtn, _ := gtk.ButtonNewFromIconName("document-open-symbolic", gtk.ICON_SIZE_BUTTON)
hbox.PackStart(browseBtn, false, false, 0)
ui.browseBtn = browseBtn
browseBtn.Connect("clicked", func() {
log.Println("Browse device", ui.selectedDevice)
ui.plugins.Sftp.SendStartBrowsing(ui.selectedDevice)
})
pairBtn, _ := gtk.ButtonNew()
hbox.PackStart(pairBtn, false, false, 5)
ui.pairBtn = pairBtn
pairBtn.Connect("clicked", func() {
log.Println("Pair/unpair device", ui.selectedDevice)
if ui.selectedDevice.Paired {
ui.engine.UnpairDevice(ui.selectedDevice)
} else {
ui.engine.PairDevice(ui.selectedDevice)
}
})
return vbox
}
// newHTMLPage creates a new HTML page and begins loading the URI in the
// description.
func (d HTMLPageDescription) newHTMLPage() *HTMLPage {
grid, _ := gtk.GridNew()
grid.SetOrientation(gtk.ORIENTATION_VERTICAL)
navbar := NewNavigationBar()
navbar.SetHExpand(true)
wv := wk2.NewWebView()
wv.SetHExpand(true)
wv.SetVExpand(true)
title, _ := gtk.LabelNew("New Tab")
title.SetEllipsize(pango.ELLIPSIZE_END)
crash, _ := gtk.LabelNew("WebKit crashed :'(")
grid.SetCanFocus(false)
navbar.SetCanFocus(false)
title.SetCanFocus(false)
grid.Add(navbar)
navbar.Show()
grid.Add(wv)
grid.Show()
stack, _ := gtk.StackNew()
stack.SetCanFocus(false)
stack.AddNamed(grid, "webview")
stack.AddNamed(crash, "crash")
stack.SetVisibleChild(crash)
page := &HTMLPage{
Stack: stack,
title: "New Tab",
uri: string(d),
titleLabel: title,
navbar: navbar,
wv: wv,
crash: crash,
}
page.signals = append(page.signals, page.connectNavbarSignals()...)
page.signals = append(page.signals, page.connectWebKitSignals()...)
page.setURI(string(d))
stack.SetVisibleChild(grid)
wv.Show()
page.LoadURI(string(d))
return page
}
func createTxInfo() *gtk.Widget {
grid, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
grid.SetOrientation(gtk.ORIENTATION_VERTICAL)
l, err := gtk.LabelNew("")
if err != nil {
log.Fatal(err)
}
l.SetMarkup("<b>Recent Transactions</b>")
l.OverrideFont("sans-serif 10")
l.SetHAlign(gtk.ALIGN_START)
grid.Add(l)
txGrid, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
txGrid.SetOrientation(gtk.ORIENTATION_VERTICAL)
grid.Add(txGrid)
Overview.Txs = txGrid
return &grid.Container.Widget
}
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 createStatusbar() *gtk.Widget {
grid, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
l, err := gtk.LabelNew("Connecting to daemon...")
if err != nil {
log.Fatal("Unable to create label:", err)
}
StatusElems.Lab = l
grid.Add(l)
p, err := gtk.ProgressBarNew()
if err != nil {
log.Fatal("Unable to create progress bar:", err)
}
StatusElems.Pb = p
p.SetSizeRequest(300, -1)
p.SetFraction(0)
p.Set("show-text", true)
p.SetText("")
p.SetNoShowAll(true)
grid.Add(p)
return &grid.Container.Widget
}
func handleTextPreviewMessage(parent *ChatWindow, msg *prot.Message, text, ext string) IMessage {
from := msg.GetFrom()
msgType := checkMessageType(from)
label, err := gtk.LabelNew(text)
if err != nil {
goline.LoggerPanicln(err)
}
msgId := msg.GetId()
meta := msg.GetContentMetadata()
var url string
if meta["PUBLIC"] == "TRUE" {
url = meta["DOWNLOAD_URL"]
} else {
url = api.LINE_OBJECT_STORAGE_URL + msgId
}
return NewDownloadableMessage(parent, msgType, from, msgId, url, ext, label)
}
func (ui *Ui) updateDevicesList() {
if ui.devicesRows != nil {
for _, row := range ui.devicesRows {
row.Destroy()
}
}
ui.devicesRows = map[string]*gtk.ListBoxRow{}
for _, device := range ui.devices {
row, _ := gtk.ListBoxRowNew()
ui.devicesList.Add(row)
l, _ := gtk.LabelNew(device.Name)
l.Set("xalign", 0)
l.SetPadding(20, 15)
row.Add(l)
ui.devicesRows[device.Id] = row
}
ui.devicesList.ShowAll()
}
// createUnlockDialog creates a dialog to enter a passphrase and unlock
// an encrypted wallet. If an OK response is received, the passphrase will
// be used to attempt a wallet unlock.
//
// If success is non-nil, the caller may pass in a channel to receive a
// notification for whether the unlock was successful. If the dialog is
// closed without sending a request to btcwallet and the channel is
// non-nil, the channel is closed.
func createUnlockDialog(reason *UnlockText,
success chan bool) (*gtk.Dialog, error) {
dialog, err := gtk.DialogNew()
if err != nil {
return nil, err
}
dialog.SetTitle(reason.Title)
dialog.AddButton("_OK", gtk.RESPONSE_OK)
dialog.AddButton("_Cancel", gtk.RESPONSE_CANCEL)
grid, err := gtk.GridNew()
if err != nil {
return nil, err
}
grid.SetHExpand(true)
grid.SetVExpand(true)
b, err := dialog.GetContentArea()
if err != nil {
return nil, err
}
b.Add(grid)
b.SetHExpand(true)
b.SetVExpand(true)
lbl, err := gtk.LabelNew(reason.Message)
if err != nil {
return nil, err
}
grid.Attach(lbl, 0, 0, 2, 1)
lbl, err = gtk.LabelNew("Passphrase")
if err != nil {
return nil, err
}
grid.Attach(lbl, 0, 1, 1, 1)
passphrase, err := gtk.EntryNew()
if err != nil {
return nil, err
}
passphrase.SetVisibility(false)
passphrase.SetHExpand(true)
passphrase.SetVExpand(true)
passphrase.Connect("activate", func() {
dialog.Emit("response", gtk.RESPONSE_OK, nil)
})
grid.Attach(passphrase, 1, 1, 1, 1)
lbl, err = gtk.LabelNew("Timeout (s)")
if err != nil {
return nil, err
}
grid.Attach(lbl, 0, 2, 1, 1)
timeout, err := gtk.SpinButtonNewWithRange(0, float64(1<<64-1), 1)
if err != nil {
return nil, err
}
timeout.SetValue(60)
timeout.Connect("activate", func() {
dialog.Emit("response", gtk.RESPONSE_OK, nil)
})
grid.Attach(timeout, 1, 2, 1, 1)
dialog.SetTransientFor(mainWindow)
dialog.SetPosition(gtk.WIN_POS_CENTER_ON_PARENT)
dialog.ShowAll()
dialog.Connect("response", func(_ *glib.Object, rt gtk.ResponseType) {
switch rt {
case gtk.RESPONSE_OK:
pStr, err := passphrase.GetText()
if err != nil {
log.Print(err)
return
}
timeoutSecs := timeout.GetValueAsInt()
go func() {
triggers.unlockWallet <- &UnlockParams{
pStr,
int64(timeoutSecs),
}
if ok := <-triggerReplies.unlockSuccessful; ok {
if success != nil {
success <- true
}
glib.IdleAdd(func() {
dialog.Destroy()
})
} else {
if success != nil {
success <- false
}
glib.IdleAdd(func() {
mDialog := gtk.MessageDialogNew(dialog, 0,
gtk.MESSAGE_ERROR, gtk.BUTTONS_OK,
"Wallet decryption failed.")
mDialog.SetTitle("Wallet decryption failed")
mDialog.Run()
mDialog.Destroy()
})
}
}()
case gtk.RESPONSE_CANCEL:
if success != nil {
close(success)
}
dialog.Destroy()
}
})
return dialog, nil
}
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
}
// CreateTutorialDialog opens a tutorial dialog explaining usage for a
// first-time user. If appWindow is non-nil, it will be used as the
// parent window of the dialog. If nil, the tutorial dialog will open as
// a top-level window and a new application main window will be created
// and opened after the final tutorial message is shown.
func CreateTutorialDialog(appWindow *gtk.Window) (*gtk.Dialog, error) {
d, err := gtk.DialogNew()
if err != nil {
return nil, err
}
d.SetTitle("btcgui First Start Tutorial")
box, err := d.GetContentArea()
if err != nil {
return nil, err
}
grid, err := gtk.GridNew()
if err != nil {
return nil, err
}
grid.SetOrientation(gtk.ORIENTATION_VERTICAL)
box.Add(grid)
d.SetDefaultGeometry(500, 100)
if appWindow != nil {
d.SetTransientFor(appWindow)
d.SetPosition(gtk.WIN_POS_CENTER_ON_PARENT)
} else {
d.Connect("destroy", func() {
go StartMainApplication()
})
d.SetPosition(gtk.WIN_POS_CENTER)
}
// Add a notebook and tab for each dialog message.
nb, err := gtk.NotebookNew()
if err != nil {
return nil, err
}
// Because the labels added below will wrap and their final minimum
// heights and widths will be absurdly large, first give a size request
// and show the notebook (allocating space for the requested size).
// This will make text wrapping labels size nicely inside the notebook.
nb.SetSizeRequest(500, 100)
nb.Show()
// Create messages and append each in a notebook page.
for _, msg := range dialogMessages {
lbl, err := gtk.LabelNew("")
if err != nil {
return nil, err
}
lbl.SetMarkup(msg)
lbl.SetLineWrap(true)
lbl.Show()
lbl.SetAlignment(0, 0)
nb.AppendPage(lbl, nil)
}
nb.SetShowTabs(false)
grid.Add(nb)
prevPage, err := d.AddButton("_Previous", gtk.RESPONSE_NONE)
if err != nil {
return nil, err
}
prevPage.SetSensitive(false)
nextPage, err := d.AddButton("_Next", gtk.RESPONSE_NONE)
if err != nil {
return nil, err
}
prevPage.Connect("clicked", func() {
nb.PrevPage()
pagen := nb.GetCurrentPage()
if pagen == 0 {
prevPage.SetSensitive(false)
}
nextPage.SetSensitive(true)
})
nextPage.Connect("clicked", func() {
nb.NextPage()
pagen := nb.GetCurrentPage()
if pagen == len(dialogMessages)-1 {
nextPage.SetSensitive(false)
}
prevPage.SetSensitive(true)
})
_, err = d.AddButton("_Close", gtk.RESPONSE_CLOSE)
if err != nil {
return nil, err
}
d.Connect("response", func(_ *glib.Object, rt gtk.ResponseType) {
if rt == gtk.RESPONSE_CLOSE {
// Using w.Close() would be nice but it needs GTK 3.10.
d.Hide()
d.Destroy()
}
})
return d, nil
}
func createTxFeeDialog() (*gtk.Dialog, error) {
dialog, err := gtk.DialogNew()
if err != nil {
return nil, err
}
dialog.SetTitle("Set Transaction Fee")
dialog.AddButton("_OK", gtk.RESPONSE_OK)
dialog.AddButton("_Cancel", gtk.RESPONSE_CANCEL)
grid, err := gtk.GridNew()
if err != nil {
return nil, err
}
grid.SetHExpand(true)
grid.SetVExpand(true)
grid.SetOrientation(gtk.ORIENTATION_VERTICAL)
b, err := dialog.GetContentArea()
if err != nil {
return nil, err
}
b.Add(grid)
b.SetHExpand(true)
b.SetVExpand(true)
l, err := gtk.LabelNew(txFeeMessage)
if err != nil {
return nil, err
}
l.SetHExpand(true)
l.SetVExpand(true)
l.SetHAlign(gtk.ALIGN_START)
grid.Add(l)
spinb, err := gtk.SpinButtonNewWithRange(0, 21000000, 0.00000001)
if err != nil {
return nil, err
}
grid.Add(spinb)
dialog.SetTransientFor(mainWindow)
dialog.SetPosition(gtk.WIN_POS_CENTER_ON_PARENT)
dialog.ShowAll()
dialog.Connect("response", func(_ *glib.Object, rt gtk.ResponseType) {
switch rt {
case gtk.RESPONSE_OK:
fee := spinb.GetValue()
go func() {
triggers.setTxFee <- fee
if err := <-triggerReplies.setTxFeeErr; err != nil {
d := errorDialog("Error setting transaction fee:",
err.Error())
d.Run()
d.Destroy()
} else {
glib.IdleAdd(func() {
dialog.Destroy()
})
}
}()
case gtk.RESPONSE_CANCEL:
dialog.Destroy()
}
})
return dialog, nil
}
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(obj *glib.Object, pb *gtk.ProgressBar) {
sb := >k.SpinButton{gtk.Entry{gtk.Widget{
glib.InitiallyUnowned{obj}}}}
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. To use
// these arguments, pass in a *glib.CallbackContext as an argument, and
// access by calling (*glib.CallbackContext).Arg(n) for the nth
// argument.
label.Connect("activate-link", func(_ *glib.Object, uri string) {
fmt.Println("you clicked a link to:", uri)
})
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 createNewWalletDialog() (*gtk.Dialog, error) {
dialog, err := gtk.DialogNew()
if err != nil {
return nil, err
}
dialog.SetTitle("New wallet")
dialog.AddButton("_OK", gtk.RESPONSE_OK)
dialog.SetDefaultGeometry(500, 100)
grid, err := gtk.GridNew()
if err != nil {
return nil, err
}
grid.SetHExpand(true)
grid.SetVExpand(true)
b, err := dialog.GetContentArea()
if err != nil {
return nil, err
}
b.Add(grid)
// Because the label will wrap and the final minimum heights
// and widths will be absurdly large, first give a size request and
// show the grid (allocating space for the requested size). This will
// make text wrapping labels size nicely inside the grid.
grid.SetSizeRequest(500, 100)
grid.Show()
l, err := gtk.LabelNew("")
if err != nil {
return nil, err
}
l.SetLineWrap(true)
l.SetMarkup(newWalletMessage)
l.SetAlignment(0, 0)
grid.Attach(l, 0, 0, 2, 1)
b.SetHExpand(true)
b.SetVExpand(true)
l, err = gtk.LabelNew("Enter passphrase:")
if err != nil {
return nil, err
}
l.SetAlignment(1.0, 0.5)
grid.Attach(l, 0, 1, 1, 1)
passphrase, err := gtk.EntryNew()
if err != nil {
return nil, err
}
passphrase.SetVisibility(false)
passphrase.SetHExpand(true)
passphrase.Connect("activate", func() {
dialog.Emit("response", gtk.RESPONSE_OK, nil)
})
grid.Attach(passphrase, 1, 1, 1, 1)
l, err = gtk.LabelNew("Confirm passphrase:")
if err != nil {
return nil, err
}
l.SetAlignment(1.0, 0.5)
grid.Attach(l, 0, 2, 1, 1)
repeated, err := gtk.EntryNew()
if err != nil {
return nil, err
}
repeated.SetVisibility(false)
repeated.SetVAlign(gtk.ALIGN_START)
repeated.Connect("activate", func() {
dialog.Emit("response", gtk.RESPONSE_OK, nil)
})
grid.Attach(repeated, 1, 2, 1, 1)
showEntryText, err := gtk.CheckButtonNewWithLabel("Show passphrase")
if err != nil {
return nil, err
}
showEntryText.Connect("toggled", func() {
active := showEntryText.GetActive()
passphrase.SetVisibility(active)
repeated.SetVisibility(active)
})
grid.Attach(showEntryText, 1, 3, 2, 1)
dialog.SetTransientFor(mainWindow)
dialog.SetPosition(gtk.WIN_POS_CENTER_ON_PARENT)
dialog.ShowAll()
dialog.Connect("response", func(_ *glib.Object, rt gtk.ResponseType) {
switch rt {
case gtk.RESPONSE_OK:
pStr, err := passphrase.GetText()
if err != nil {
log.Print(err)
return
}
rStr, err := repeated.GetText()
if err != nil {
log.Print(err)
return
}
if len(pStr) == 0 {
mDialog := gtk.MessageDialogNew(dialog, 0,
gtk.MESSAGE_ERROR, gtk.BUTTONS_OK,
"A passphrase must be entered to create a wallet.")
mDialog.SetTitle("Wallet creation failed")
mDialog.Run()
mDialog.Destroy()
return
}
if pStr == rStr {
go func() {
triggers.newWallet <- &NewWalletParams{
passphrase: pStr,
}
if err := <-triggerReplies.walletCreationErr; err != nil {
glib.IdleAdd(func() {
mDialog := gtk.MessageDialogNew(dialog, 0,
gtk.MESSAGE_ERROR, gtk.BUTTONS_OK,
err.Error())
mDialog.SetTitle("Wallet creation failed")
mDialog.Run()
mDialog.Destroy()
})
} else {
glib.IdleAdd(func() {
dialog.Destroy()
})
}
}()
} else {
msg := "The supplied passphrases do not match."
mDialog := gtk.MessageDialogNew(dialog, 0,
gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, msg)
mDialog.SetTitle("Wallet creation failed")
mDialog.Run()
mDialog.Destroy()
}
case gtk.RESPONSE_CANCEL:
dialog.Destroy()
}
})
dialog.Connect("delete-event", func() {
mDialog := gtk.MessageDialogNew(mainWindow, 0,
gtk.MESSAGE_INFO, gtk.BUTTONS_OK,
"btcgui cannot be used without a wallet and will now close.")
mDialog.Show()
mDialog.Run()
mDialog.Destroy()
gtk.MainQuit()
})
return dialog, nil
}
func createTxLabel(attr *TxAttributes) (*gtk.Widget, error) {
grid, err := gtk.GridNew()
if err != nil {
return nil, err
}
grid.SetHExpand(true)
var amtLabel *gtk.Label
var description *gtk.Label
var icon *gtk.Image
switch attr.Direction {
case Send:
amtLabel, err = gtk.LabelNew(amountStr(attr.Amount))
if err != nil {
return nil, err
}
description, err = gtk.LabelNew(fmt.Sprintf("Send (%s)", attr.Address))
if err != nil {
return nil, err
}
icon, err = gtk.ImageNewFromIconName("go-next",
gtk.ICON_SIZE_SMALL_TOOLBAR)
if err != nil {
return nil, err
}
case Recv:
amtLabel, err = gtk.LabelNew(amountStr(attr.Amount))
if err != nil {
return nil, err
}
description, err = gtk.LabelNew(fmt.Sprintf("Receive (%s)", attr.Address))
if err != nil {
return nil, err
}
icon, err = gtk.ImageNewFromIconName("go-previous",
gtk.ICON_SIZE_SMALL_TOOLBAR)
if err != nil {
return nil, err
}
}
grid.Attach(icon, 0, 0, 2, 2)
grid.Attach(description, 2, 1, 2, 1)
description.SetHAlign(gtk.ALIGN_START)
grid.Attach(amtLabel, 3, 0, 1, 1)
amtLabel.SetHAlign(gtk.ALIGN_END)
amtLabel.SetHExpand(true)
date, err := gtk.LabelNew(attr.Date.Format("Jan 2, 2006 at 3:04 PM"))
if err != nil {
return nil, err
}
grid.Attach(date, 2, 0, 1, 1)
date.SetHAlign(gtk.ALIGN_START)
grid.SetHAlign(gtk.ALIGN_FILL)
return &grid.Container.Widget, nil
}
func createEncryptionDialog() (*gtk.Dialog, error) {
dialog, err := gtk.DialogNew()
if err != nil {
return nil, err
}
dialog.SetTitle("Encrypt wallet")
dialog.AddButton("_OK", gtk.RESPONSE_OK)
dialog.AddButton("_Cancel", gtk.RESPONSE_CANCEL)
grid, err := gtk.GridNew()
if err != nil {
return nil, err
}
grid.SetHExpand(true)
grid.SetVExpand(true)
b, err := dialog.GetContentArea()
if err != nil {
return nil, err
}
b.Add(grid)
b.SetHExpand(true)
b.SetVExpand(true)
l, err := gtk.LabelNew("")
if err != nil {
return nil, err
}
l.SetMarkup(encryptMessage)
l.SetHExpand(true)
l.SetVExpand(true)
l.SetHAlign(gtk.ALIGN_START)
grid.Attach(l, 0, 0, 2, 1)
l, err = gtk.LabelNew("New passphrase")
if err != nil {
return nil, err
}
grid.Attach(l, 0, 1, 1, 1)
passphrase, err := gtk.EntryNew()
if err != nil {
return nil, err
}
passphrase.SetVisibility(false)
passphrase.SetHExpand(true)
passphrase.Connect("activate", func() {
dialog.Emit("response", gtk.RESPONSE_OK, nil)
})
grid.Attach(passphrase, 1, 1, 1, 1)
l, err = gtk.LabelNew("Repeat new passphrase")
if err != nil {
return nil, err
}
l.SetVExpand(true)
l.SetVAlign(gtk.ALIGN_START)
grid.Attach(l, 0, 2, 1, 1)
repeated, err := gtk.EntryNew()
if err != nil {
return nil, err
}
repeated.SetVisibility(false)
repeated.SetVExpand(true)
repeated.SetVAlign(gtk.ALIGN_START)
repeated.Connect("activate", func() {
dialog.Emit("response", gtk.RESPONSE_OK, nil)
})
grid.Attach(repeated, 1, 2, 1, 1)
dialog.SetTransientFor(mainWindow)
dialog.SetPosition(gtk.WIN_POS_CENTER_ON_PARENT)
dialog.ShowAll()
dialog.Connect("response", func(_ *glib.Object, rt gtk.ResponseType) {
switch rt {
case gtk.RESPONSE_OK:
pStr, err := passphrase.GetText()
if err != nil {
log.Print(err)
return
}
rStr, err := repeated.GetText()
if err != nil {
log.Print(err)
return
}
if pStr == rStr {
// use the passphrase, encrypt wallet...
dialog.Destroy()
} else {
msg := "The supplied passphrases do not match."
mDialog := gtk.MessageDialogNew(dialog, 0,
gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, msg)
mDialog.SetTitle("Wallet encryption failed")
mDialog.Run()
mDialog.Destroy()
}
case gtk.RESPONSE_CANCEL:
dialog.Destroy()
}
})
return dialog, nil
}
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 createRecipient(rmFn func(*glib.Object, *recipient)) *recipient {
ret := new(recipient)
ret.n = recipients.Len()
grid, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
ret.Widget = grid.Container.Widget
l, err := gtk.LabelNew("Pay To:")
if err != nil {
log.Fatal(err)
}
grid.Attach(l, 0, 0, 1, 1)
l, err = gtk.LabelNew("Amount:")
if err != nil {
log.Fatal(err)
}
grid.Attach(l, 0, 1, 1, 1)
payTo, err := gtk.EntryNew()
if err != nil {
log.Fatal(err)
}
payTo.SetHExpand(true)
ret.payTo = payTo
grid.Attach(payTo, 1, 0, 1, 1)
remove, err := gtk.ButtonNew()
if err != nil {
log.Fatal(err)
}
img, err := gtk.ImageNewFromIconName("_Delete", gtk.ICON_SIZE_MENU)
if err != nil {
log.Fatal(err)
}
remove.SetImage(img)
remove.SetTooltipText("Remove this recipient")
remove.Connect("clicked", rmFn, ret)
grid.Attach(remove, 2, 0, 1, 1)
// TODO(jrick): Label doesn't do anything currently, so don't add
// to gui.
/*
l, err = gtk.LabelNew("Label:")
if err != nil {
log.Fatal(err)
}
grid.Attach(l, 0, 1, 1, 1)
label, err := gtk.EntryNew()
if err != nil {
log.Fatal(err)
}
label.SetHExpand(true)
ret.label = label
grid.Attach(label, 1, 1, 2, 1)
*/
amounts, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
amount, err := gtk.SpinButtonNewWithRange(0, 21000000, 0.00000001)
if err != nil {
log.Fatal(err)
}
amount.SetHAlign(gtk.ALIGN_START)
ret.amount = amount
amounts.Add(amount)
ls, err := gtk.ListStoreNew(glib.TYPE_STRING)
if err != nil {
log.Fatal(err)
}
iter := ls.Append()
choices := []string{"BTC", "mBTC", "μBTC"}
s := make([]interface{}, len(choices))
for i, v := range choices {
s[i] = v
}
if err := ls.Set(iter, []int{0}, []interface{}{"BTC"}); err != nil {
fmt.Println(err)
}
iter = ls.Append()
if err := ls.Set(iter, []int{0}, []interface{}{"mBTC"}); err != nil {
fmt.Println(err)
}
iter = ls.Append()
if err := ls.Set(iter, []int{0}, []interface{}{"μBTC"}); err != nil {
fmt.Println(err)
}
// TODO(jrick): add back when this works.
/*
combo, err := gtk.ComboBoxNewWithModel(ls)
if err != nil {
log.Fatal(err)
}
cell, err := gtk.CellRendererTextNew()
if err != nil {
log.Fatal(err)
}
combo.PackStart(cell, true)
combo.AddAttribute(cell, "text", 0)
combo.SetActive(0)
combo.Connect("changed", func() {
val := amount.GetValue()
fmt.Println(val)
switch combo.GetActive() {
case 0:
fmt.Println("btc")
case 1:
fmt.Println("mbtc")
case 2:
fmt.Println("ubtc")
}
})
ret.combo = combo
amounts.Add(combo)
*/
l, err = gtk.LabelNew("BTC")
if err != nil {
log.Fatal(err)
}
amounts.Add(l)
grid.Attach(amounts, 1, 1, 1, 1)
return ret
}
// CreateWindow creates the toplevel window for the GUI.
func CreateWindow() (*gtk.Window, error) {
var err error
mainWindow, err = gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
if err != nil {
return nil, err
}
mainWindow.SetTitle("btcgui")
mainWindow.Connect("destroy", func() {
gtk.MainQuit()
})
grid, err := gtk.GridNew()
if err != nil {
return nil, err
}
grid.SetOrientation(gtk.ORIENTATION_VERTICAL)
grid.Add(createMenuBar())
notebook, err := gtk.NotebookNew()
if err != nil {
return nil, err
}
notebook.SetHExpand(true)
notebook.SetVExpand(true)
grid.Add(notebook)
l, err := gtk.LabelNew("Overview")
if err != nil {
return nil, err
}
notebook.AppendPage(createOverview(), l)
l, err = gtk.LabelNew("Send Coins")
if err != nil {
return nil, err
}
notebook.AppendPage(createSendCoins(), l)
l, err = gtk.LabelNew("Receive Coins")
if err != nil {
return nil, err
}
notebook.AppendPage(createRecvCoins(), l)
l, err = gtk.LabelNew("Transactions")
if err != nil {
log.Fatal(err)
}
notebook.AppendPage(createTransactions(), l)
// TODO(jrick): Add back when address book is implemented.
/*
l, err = gtk.LabelNew("Address Book")
if err != nil {
log.Fatal(err)
}
notebook.AppendPage(createAddrBook(), l)
*/
grid.Add(createStatusbar())
mainWindow.Add(grid)
mainWindow.SetDefaultGeometry(800, 600)
return mainWindow, nil
}
func createWalletInfo() *gtk.Widget {
grid, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
header, err := gtk.LabelNew("")
if err != nil {
log.Fatal(err)
}
header.SetMarkup("<b>Wallet</b>")
header.OverrideFont("sans-serif 16")
header.SetHAlign(gtk.ALIGN_START)
grid.Attach(header, 0, 0, 1, 1)
balance, err := gtk.LabelNew("Balance:")
if err != nil {
log.Fatal(err)
}
balance.SetHAlign(gtk.ALIGN_START)
grid.Attach(balance, 0, 1, 1, 1)
unconfirmed, err := gtk.LabelNew("Unconfirmed:")
if err != nil {
log.Fatal(err)
}
unconfirmed.SetHAlign(gtk.ALIGN_START)
grid.Attach(unconfirmed, 0, 2, 1, 1)
balance, err = gtk.LabelNew("")
if err != nil {
log.Fatal(err)
}
balance.SetHAlign(gtk.ALIGN_START)
grid.Attach(balance, 1, 1, 1, 1)
Overview.Balance = balance
unconfirmed, err = gtk.LabelNew("")
if err != nil {
log.Fatal(err)
}
grid.Attach(unconfirmed, 1, 2, 1, 1)
Overview.Unconfirmed = unconfirmed
/*
transactions, err := gtk.LabelNew("Number of transactions:")
if err != nil {
log.Fatal(err)
}
transactions.SetHAlign(gtk.ALIGN_START)
grid.Attach(transactions, 0, 3, 1, 1)
transactions, err = gtk.LabelNew("a lot")
if err != nil {
log.Fatal(err)
}
transactions.SetHAlign(gtk.ALIGN_START)
grid.Attach(transactions, 1, 3, 1, 1)
Overview.NTransactions = transactions
*/
return &grid.Container.Widget
}