UnconfiguredPanel: Ensure that "Return" on initial show accepts

Task-number: QTCREATORBUG-12827
Change-Id: Ie68228433b8c76f48361ed642f932ded0d7f2b72
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/projectexplorer/projectpanelfactory.h

@@ -72,10 +72,12 @@ public:
         m_createWidgetFunction = [icon, this](Project *project) -> QWidget * {
             PropertiesPanel *panel = new PropertiesPanel;
             panel->setDisplayName(this->displayName());
-            panel->setWidget(new T(project)),
+            QWidget *widget = new T(project);
+            panel->setWidget(widget);
             panel->setIcon(icon);
             PanelsWidget *panelsWidget = new PanelsWidget();
             panelsWidget->addPropertiesPanel(panel);
+            panelsWidget->setFocusProxy(widget);
             return panelsWidget;
         };
     }

src/plugins/projectexplorer/projectwindow.cpp

@@ -235,7 +235,8 @@ void ProjectWindow::showProperties(int index, int subIndex)
         m_currentWidget = widget;
         m_centralWidget->addWidget(m_currentWidget);
         m_centralWidget->setCurrentWidget(m_currentWidget);
-
+        if (hasFocus()) // we get assigned focus from setFocusToCurrentMode, pass that on
+            m_currentWidget->setFocus();
     }
 
     SessionManager::setStartupProject(project);