cli: Make UI struct singleton

cli/cli.go

@@ -35,11 +35,10 @@ func main() {
 	client := &Client{
 		Backend: rpc.NewRicochetCoreClient(conn),
 	}
-	ui := &UI{
+	Ui = UI{
 		Input:  input,
 		Client: client,
 	}
-	client.Ui = ui
 
 	fmt.Print("Connecting to backend...\n")
 
@@ -49,9 +48,9 @@ func main() {
 			os.Exit(1)
 		}
 		client.Block()
-		ui.PrintStatus()
+		Ui.PrintStatus()
 		client.Unblock()
 	}()
 
-	ui.CommandLoop()
+	Ui.CommandLoop()
 }

cli/client.go

@@ -9,7 +9,6 @@ import (
 
 type Client struct {
 	Backend ricochet.RicochetCoreClient
-	Ui      *UI
 
 	ServerStatus ricochet.ServerStatusReply
 	Identity     ricochet.Identity
@@ -227,8 +226,8 @@ func (c *Client) onContactEvent(event *ricochet.ContactEvent) {
 
 		contact, _ := c.Contacts.Deleted(data)
 
-		if c.Ui.CurrentContact == contact {
-			c.Ui.SetCurrentContact(nil)
+		if Ui.CurrentContact == contact {
+			Ui.SetCurrentContact(nil)
 		}
 
 	default:

cli/ui.go

@@ -10,6 +10,8 @@ import (
 	"strings"
 )
 
+var Ui UI
+
 type UI struct {
 	Input  *readline.Instance
 	Client *Client