Qt: hide RPCConsole wallet selector when no wallets are present

src/qt/rpcconsole.cpp

@@ -478,6 +478,10 @@ RPCConsole::RPCConsole(const PlatformStyle *_platformStyle, QWidget *parent) :
     connect(ui->fontSmallerButton, SIGNAL(clicked()), this, SLOT(fontSmaller()));
     connect(ui->btnClearTrafficGraph, SIGNAL(clicked()), ui->trafficGraph, SLOT(clear()));
 
+    // disable the wallet selector by default
+    ui->WalletSelector->setVisible(false);
+    ui->WalletSelectorLabel->setVisible(false);
+
     // set library version labels
 #ifdef ENABLE_WALLET
     ui->berkeleyDBVersion->setText(DbEnv::version(0, 0, 0));
@@ -697,6 +701,10 @@ void RPCConsole::addWallet(WalletModel * const walletModel)
         // First wallet added, set to default so long as the window isn't presently visible (and potentially in use)
         ui->WalletSelector->setCurrentIndex(1);
     }
+    if (ui->WalletSelector->count() > 2) {
+        ui->WalletSelector->setVisible(true);
+        ui->WalletSelectorLabel->setVisible(true);
+    }
 }
 #endif