Merge bitcoin#11169: [GUI] Make tabs toolbar no longer have a context…

… menu

e254830 Make tabs toolbar no longer have a context menu (Andrew Chow)

Pull request description:

  Adds a contextMenuPolicy of Qt::PreventContextMenu to prevent the tabs toolbar from showing a context menu that allows it to be hidden.

  Fixes bitcoin#11168

Tree-SHA512: 8900b3c1a891ead3c9a20dc365b436fa75f97dbe0dfa7e20ee26fd9d09f3fee6eda286b0c075ed89fe1361608ecbdd87c744e37d97a3fba62493a86dedda867b

src/qt/bitcoingui.cpp

@@ -492,7 +492,7 @@ void BitcoinGUI::createActions()
 
     // Get restart command-line parameters and handle restart
     connect(rpcConsole, SIGNAL(handleRestart(QStringList)), this, SLOT(handleRestart(QStringList)));
-    
+
     // prevents an open debug window from becoming stuck/unusable on client shutdown
     connect(quitAction, SIGNAL(triggered()), rpcConsole, SLOT(hide()));
 
@@ -582,6 +582,7 @@ void BitcoinGUI::createToolBars()
     if(walletFrame)
     {
         QToolBar *toolbar = new QToolBar(tr("Tabs toolbar"));
+        toolbar->setContextMenuPolicy(Qt::PreventContextMenu);
         toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
         toolbar->addAction(overviewAction);
         toolbar->addAction(sendCoinsAction);
@@ -644,7 +645,7 @@ void BitcoinGUI::setClientModel(ClientModel *_clientModel)
             MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
             dockIconHandler->setMainWindow((QMainWindow *)this);
             dockIconMenu = dockIconHandler->dockMenu();
- 
+
             createIconMenu(dockIconMenu);
 #endif
         }