Change mouse cursor to Move when over sidebar deck grip

Change-Id: Ic6a271245a6c2da307238d799dbd606e435f7aa1
Reviewed-on: https://gerrit.libreoffice.org/53379Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>

include/sfx2/sidebar/DeckTitleBar.hxx

@@ -34,6 +34,7 @@ public:
     tools::Rectangle GetDragArea() const;
 
     virtual void DataChanged(const DataChangedEvent& rEvent) override;
+    virtual void MouseMove(const MouseEvent& rMouseEvent) override;
 
 protected:
     virtual tools::Rectangle GetTitleArea(const tools::Rectangle& rTitleBarBox) override;

sfx2/source/sidebar/DeckTitleBar.cxx

@@ -125,6 +125,21 @@ void DeckTitleBar::DataChanged (const DataChangedEvent& rEvent)
     TitleBar::DataChanged(rEvent);
 }
 
+
+void DeckTitleBar::MouseMove (const MouseEvent& rMouseEvent)
+{
+    tools::Rectangle aGrip = GetDragArea();
+    PointerStyle eStyle = PointerStyle::Arrow;
+
+    if ( aGrip.IsInside( rMouseEvent.GetPosPixel() ) )
+        eStyle = PointerStyle::Move;
+
+    Pointer aPtr( eStyle );
+    SetPointer( aPtr );
+
+    Window::MouseMove( rMouseEvent );
+}
+
 } } // end of namespace sfx2::sidebar
 
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