QmlJS: Fix focus handling in QML/JS console

We want the line editor to be focused by default when the console is
opened either by mouse or by keyboard interaction.

Change-Id: Ic366d1ac5f1306c0739c334584568402969895f3
Task-number: QTCREATORBUG-14931
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/qmljstools/qmlconsolepane.cpp

@@ -195,12 +195,17 @@ bool QmlConsolePane::canFocus() const
 
 bool QmlConsolePane::hasFocus() const
 {
-    return m_consoleWidget->window()->focusWidget() == m_consoleWidget;
+    for (QWidget *widget = m_consoleWidget->window()->focusWidget(); widget != 0;
+         widget = widget->parentWidget()) {
+        if (widget == m_consoleWidget)
+            return true;
+    }
+    return false;
 }
 
 void QmlConsolePane::setFocus()
 {
-    m_consoleWidget->setFocus();
+    m_consoleView->setFocus();
 }
 
 bool QmlConsolePane::canNext() const

src/plugins/qmljstools/qmlconsoleview.cpp

@@ -164,9 +164,6 @@ void QmlConsoleView::mousePressEvent(QMouseEvent *event)
         }
         if (!handled)
             Utils::TreeView::mousePressEvent(event);
-    } else {
-        selectionModel()->setCurrentIndex(model()->index(model()->rowCount() - 1, 0),
-                                          QItemSelectionModel::ClearAndSelect);
     }
 }
 
@@ -216,6 +213,13 @@ void QmlConsoleView::contextMenuEvent(QContextMenuEvent *event)
     }
 }
 
+void QmlConsoleView::focusInEvent(QFocusEvent *event)
+{
+    Q_UNUSED(event);
+    selectionModel()->setCurrentIndex(model()->index(model()->rowCount() - 1, 0),
+                                      QItemSelectionModel::ClearAndSelect);
+}
+
 void QmlConsoleView::onRowActivated(const QModelIndex &index)
 {
     if (!index.isValid())

src/plugins/qmljstools/qmlconsoleview.h

@@ -51,6 +51,7 @@ protected:
     void drawBranches(QPainter *painter, const QRect &rect,
                       const QModelIndex &index) const;
     void contextMenuEvent(QContextMenuEvent *event);
+    void focusInEvent(QFocusEvent *event);
 
 private slots:
     void onRowActivated(const QModelIndex &index);