Add currentIndex API to DoubleTabWidget

Reviewed-By: con

src/plugins/projectexplorer/doubletabwidget.cpp

@@ -71,6 +71,21 @@ DoubleTabWidget::~DoubleTabWidget()
     delete ui;
 }
 
+int DoubleTabWidget::currentIndex() const
+{
+    return m_currentIndex;
+}
+
+void DoubleTabWidget::setCurrentIndex(int index)
+{
+    Q_ASSERT(index < m_tabs.size());
+    if (index == m_currentIndex)
+        return;
+    m_currentIndex = index;
+    emit currentIndexChanged(m_currentIndex, m_tabs.at(m_currentIndex).currentSubTab);
+    update();
+}
+
 void DoubleTabWidget::setTitle(const QString &title)
 {
     m_title = title;

src/plugins/projectexplorer/doubletabwidget.h

@@ -12,7 +12,8 @@ namespace Ui {
     class DoubleTabWidget;
 }
 
-class DoubleTabWidget : public QWidget {
+class DoubleTabWidget : public QWidget
+{
     Q_OBJECT
 public:
     DoubleTabWidget(QWidget *parent = 0);
@@ -26,6 +27,9 @@ public:
     void removeTab(int index);
     int tabCount() const;
 
+    int currentIndex() const;
+    void setCurrentIndex(int index);
+
 signals:
     void currentIndexChanged(int index, int subIndex);