// NewPageManager creates and initializes a page manager.
func NewPageManager(session []PageDescription) *PageManager {
nb, _ := gtk.NotebookNew()
nb.SetCanFocus(false)
nb.SetShowBorder(false)
p := &PageManager{
Notebook: nb,
htmls: map[uintptr]*HTMLPage{},
}
if session == nil {
session = []PageDescription{BlankPage}
}
for _, page := range session {
p.OpenPage(page)
}
actions := NewActionMenu()
actions.newTab.Connect("activate", func() {
n := p.OpenPage(BlankPage)
p.FocusPageN(n)
})
actions.quit.Connect("activate", func() {
gtk.MainQuit()
})
nb.SetActionWidget(actions, gtk.PACK_END)
actions.Show()
return p
}
// 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 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()
}
// 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
}