Close in menu so ^W works as expected

qcachegrind/qcgtoplevel.cpp

@@ -353,6 +353,11 @@ void QCGTopLevel::createActions()
     _openAction->setStatusTip(tr("Open profile data file"));
     connect(_openAction, SIGNAL(triggered()), this, SLOT(load()));
 
+    _closeAction = new QAction(tr("&Close"), this);
+    _closeAction->setShortcuts(QKeySequence::Close);
+    _closeAction->setStatusTip(tr("Close the current window"));
+    connect(_closeAction, SIGNAL(triggered()), this, SLOT(close()));
+
     _addAction = new QAction(tr( "&Add..." ), this);
     _addAction->setStatusTip(tr("Add profile data to current window"));
     connect(_addAction, SIGNAL(triggered(bool)), SLOT(add()));
@@ -582,6 +587,8 @@ void QCGTopLevel::createMenu()
     fileMenu->addSeparator();
     fileMenu->addAction(_exportAction);
     fileMenu->addSeparator();
+    fileMenu->addAction(_closeAction);
+    fileMenu->addSeparator();
     fileMenu->addAction(_exitAction);
 
     QMenu* layoutMenu = new QMenu(tr("&Layout"), this);

qcachegrind/qcgtoplevel.h

@@ -224,7 +224,7 @@ private:
     QAction *_cyclesToggleAction, *_percentageToggleAction;
     QAction *_expandedToggleAction, *_hideTemplatesToggleAction;
     QAction *_primaryMenuAction, *_secondaryMenuAction;
-    QAction *_groupingMenuAction;
+    QAction *_groupingMenuAction, *_closeAction;
     QAction *_splittedToggleAction, *_splitDirectionToggleAction;
     QAction *_layoutNext, *_layoutPrev, *_layoutRemove, *_layoutDup;
     QAction *_layoutRestore, *_layoutSave;