Create peer selection window

gui/peer-selection-dialog.go

@@ -0,0 +1,69 @@
+package gui
+
+import(
+    "errors"
+    "github.com/gotk3/gotk3/gtk"
+)
+
+var(
+    ErrNoPeer = errors.New("No peer specified.")
+)
+
+func PeerDialogRun(parent *gtk.Window) (peer string, err error) {
+    dialog, err := gtk.DialogNew()
+    if err != nil {
+        return
+    }
+
+    dialog.SetTransientFor(parent)
+    dialog.SetModal(true)
+    dialog.SetTitle("Select Peer")
+    dialog.SetDefaultSize(300, 300)
+
+    if _, err = dialog.AddButton("Cancel", gtk.RESPONSE_CLOSE); err != nil {
+        return
+    }
+    if _, err = dialog.AddButton("Ok", gtk.RESPONSE_OK); err != nil {
+        return
+    }
+
+    dialog.SetDefaultResponse(gtk.RESPONSE_OK)
+
+    grid, err := gtk.GridNew()
+    if err != nil {
+        return
+    }
+
+    content, err := dialog.GetContentArea()
+    if err != nil {
+        return
+    }
+    content.PackStart(grid, true, true, 0)
+
+    label, err := gtk.LabelNew("Peer: ")
+    if err != nil {
+        return
+    }
+    grid.Attach(label, 0, 0, 1, 1)
+
+    peerEntry, err := gtk.EntryNew()
+    if err != nil {
+        return
+    }
+    grid.AttachNextTo(peerEntry, label, gtk.POS_RIGHT, 1, 1)
+
+    grid.ShowAll()
+
+    status := dialog.Run()
+    defer dialog.Destroy()
+    if status != gtk.RESPONSE_OK {
+        return peer, ErrNoPeer
+    }
+
+    peer, err = peerEntry.GetText()
+    if err != nil {
+        return
+    }
+
+    return
+}

main.go

@@ -37,6 +37,13 @@ func main() {
 
     log.Println(sess.Uid)
 
+    peer, err := gui.PeerDialogRun(ui.Window)
+    if err != nil {
+        log.Fatal(err)
+    }
+
+    log.Println(peer)
+
     _, x, y, err := elliptic.GenerateKey(crypto.Curve, rand.Reader)
     if err != nil {
         log.Fatal(err)