Index: sheets/part/HeaderWidgets.cpp
--- sheets/part/HeaderWidgets.cpp.orig
+++ sheets/part/HeaderWidgets.cpp
@@ -93,10 +93,10 @@ RowHeaderWidget::RowHeaderWidget(QWidget *_parent, Can
     setAttribute(Qt::WA_StaticContents);
     setMouseTracking(true);
 
-    connect(_view, SIGNAL(autoScroll(QPoint)),
-            this, SLOT(slotAutoScroll(QPoint)));
-    connect(m_pCanvas->toolProxy(), SIGNAL(toolChanged(QString)),
-            this, SLOT(toolChanged(QString)));
+    connect(_view, &View::autoScroll,
+            this, &RowHeaderWidget::slotAutoScroll);
+    connect(m_pCanvas->toolProxy(), &KoToolProxy::toolChanged,
+            this, &RowHeaderWidget::toolChanged);
 }
 
 
@@ -155,7 +155,7 @@ void RowHeaderWidget::wheelEvent(QWheelEvent* _ev)
 
 void RowHeaderWidget::paintSizeIndicator(int mouseY)
 {
-    register Sheet * const sheet = m_pCanvas->activeSheet();
+     Sheet * const sheet = m_pCanvas->activeSheet();
     if (!sheet)
         return;
 
@@ -209,7 +209,7 @@ void RowHeaderWidget::removeSizeIndicator()
 
 void RowHeaderWidget::updateRows(int from, int to)
 {
-    register Sheet * const sheet = m_pCanvas->activeSheet();
+     Sheet * const sheet = m_pCanvas->activeSheet();
     if (!sheet)
         return;
 
@@ -247,10 +247,10 @@ ColumnHeaderWidget::ColumnHeaderWidget(QWidget *_paren
     setAttribute(Qt::WA_StaticContents);
     setMouseTracking(true);
 
-    connect(_view, SIGNAL(autoScroll(QPoint)),
-            this, SLOT(slotAutoScroll(QPoint)));
-    connect(m_pCanvas->toolProxy(), SIGNAL(toolChanged(QString)),
-            this, SLOT(toolChanged(QString)));
+    connect(_view, &View::autoScroll,
+            this, &ColumnHeaderWidget::slotAutoScroll);
+    connect(m_pCanvas->toolProxy(), &KoToolProxy::toolChanged,
+            this, &ColumnHeaderWidget::toolChanged);
 }
 
 
@@ -314,7 +314,7 @@ void ColumnHeaderWidget::resizeEvent(QResizeEvent* _ev
 
 void ColumnHeaderWidget::paintSizeIndicator(int mouseX)
 {
-    register Sheet * const sheet = m_pCanvas->activeSheet();
+     Sheet * const sheet = m_pCanvas->activeSheet();
     if (!sheet)
         return;
 
@@ -379,7 +379,7 @@ void ColumnHeaderWidget::removeSizeIndicator()
 
 void ColumnHeaderWidget::updateColumns(int from, int to)
 {
-    register Sheet * const sheet = m_pCanvas->activeSheet();
+     Sheet * const sheet = m_pCanvas->activeSheet();
     if (!sheet)
         return;
 
@@ -416,8 +416,8 @@ SelectAllButtonWidget::SelectAllButtonWidget(CanvasBas
         : QWidget(canvasBase->canvasWidget())
         , SelectAllButton(canvasBase)
 {
-    connect(canvasBase->toolProxy(), SIGNAL(toolChanged(QString)),
-            this, SLOT(toolChanged(QString)));
+    connect(canvasBase->toolProxy(), &KoToolProxy::toolChanged,
+            this, &SelectAllButtonWidget::toolChanged);
 }
 
 SelectAllButtonWidget::~SelectAllButtonWidget()