Class view: Fix keyboard focus when using shortcut

Pass focus to the treeview, and make sure something is selected, so
focus is also visibly moving there.

Task-number: QTCREATORBUG-15920
Change-Id: Icf7c213765739e992edcb52cc88f8730875e0bed
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/plugins/classview/classviewnavigationwidget.cpp b/src/plugins/classview/classviewnavigationwidget.cpp
index 5ce0d24e73a..58cab5a6d87 100644
--- a/src/plugins/classview/classviewnavigationwidget.cpp
+++ b/src/plugins/classview/classviewnavigationwidget.cpp
@@ -105,7 +105,7 @@ NavigationWidget::NavigationWidget(QWidget *parent) :
     verticalLayout->addWidget(Core::ItemViewFind::createSearchableWrapper(
                                   treeView, Core::ItemViewFind::DarkColored,
                                   Core::ItemViewFind::FetchMoreWhileSearching));
-
+    setFocusProxy(treeView);
     // tree model
     treeModel = new TreeItemModel(this);
     treeView->setModel(treeModel);
@@ -282,10 +282,12 @@ void NavigationWidget::onDataUpdate(QSharedPointer<QStandardItem> result)
 
     // expand top level projects
     QModelIndex sessionIndex;
-
-    for (int i = 0; i < treeModel->rowCount(sessionIndex); ++i)
+    const int toplevelCount = treeModel->rowCount(sessionIndex);
+    for (int i = 0; i < toplevelCount; ++i)
         treeView->expand(treeModel->index(i, 0, sessionIndex));
 
+    if (!treeView->currentIndex().isValid() && toplevelCount > 0)
+        treeView->setCurrentIndex(treeModel->index(0, 0, sessionIndex));
     if (debug)
         qDebug() << "Class View:" << QDateTime::currentDateTime().toString()
             << "TreeView is updated in" << timer.elapsed() << "msecs";