Make reconfigure() a Q_SLOT

make reconfigure() a Q_SLOT and connect to the signal configChanged()
of class Workspace.

REVIEW: 101942

tabbox/tabbox.cpp

@@ -313,6 +313,7 @@ TabBox::TabBox(QObject *parent)
 
     m_tabBoxMode = TabBoxDesktopMode; // init variables
     connect(&m_delayedShowTimer, SIGNAL(timeout()), this, SLOT(show()));
+    connect(Workspace::self(), SIGNAL(configChanged()), this, SLOT(reconfigure()));
 }
 
 TabBox::~TabBox()

tabbox/tabbox.h

@@ -146,8 +146,6 @@ public:
     void handleMouseEvent(XEvent*);
     void grabbedKeyEvent(QKeyEvent* event);
 
-    void reconfigure();
-
     bool isGrabbed() const {
         return m_tabGrab || m_desktopGrab;
     };
@@ -216,6 +214,9 @@ private:
     void removeTabBoxGrab();
     void modalActionsSwitch(bool enabled);
 
+private Q_SLOTS:
+    void reconfigure();
+
 private:
     TabBoxMode m_tabBoxMode;
     QModelIndex m_index;

workspace.cpp

@@ -930,9 +930,6 @@ void Workspace::slotReconfigure()
     KGlobal::config()->reparseConfiguration();
     unsigned long changed = options->updateSettings();
 
-#ifdef KWIN_BUILD_TABBOX
-    tab_box->reconfigure();
-#endif
     emit configChanged();
     initPositioning->reinitCascading(0);
     discardPopup();