Implement Ctrl+Tab/Ctrl+Shift+Tab support to cycle thru open pages.

Reviewed-by: ck

src/plugins/help/openpageswidget.h

@@ -56,9 +56,12 @@ class OpenPagesWidget : public QTreeView
     Q_OBJECT
 
 public:
-    OpenPagesWidget(OpenPagesModel *model);
+    OpenPagesWidget(OpenPagesModel *model, QWidget *parent = 0);
     ~OpenPagesWidget();
 
+    void selectCurrentPage();
+    void allowContextMenu(bool ok);
+
 signals:
     void setCurrentPage(const QModelIndex &index);
 
@@ -74,6 +77,7 @@ private:
     bool eventFilter(QObject *obj, QEvent *event);
 
 private:
+    bool m_allowContextMenu;
     OpenPagesDelegate *m_delegate;
 };