convert Link<> to typed

Change-Id: Idc8e9b0ad0032940b98357b07f3e6caf26c5c2d7

starmath/inc/dialog.hxx

@@ -324,7 +324,7 @@ public:
 
 class SmShowSymbol : public Control
 {
-    Link<> aDblClickHdlLink;
+    Link<SmShowSymbol&,void> aDblClickHdlLink;
 
     virtual void    Paint(vcl::RenderContext& rRenderContext, const Rectangle&) SAL_OVERRIDE;
     virtual void    ApplySettings(vcl::RenderContext& rRenderContext) SAL_OVERRIDE;
@@ -340,7 +340,7 @@ public:
     }
 
     void    SetSymbol(const SmSym *pSymbol);
-    void    SetDblClickHdl(const Link<> &rLink) { aDblClickHdlLink = rLink; }
+    void    SetDblClickHdl(const Link<SmShowSymbol&,void> &rLink) { aDblClickHdlLink = rLink; }
 };
 
 
@@ -366,10 +366,11 @@ class SmSymbolDialog : public ModalDialog
 
     DECL_LINK(SymbolSetChangeHdl, void*);
     DECL_LINK_TYPED(SymbolChangeHdl, SmShowSymbolSetWindow&, void);
-    DECL_LINK(SymbolDblClickHdl, void*);
+    DECL_LINK_TYPED(SymbolDblClickHdl, SmShowSymbol&, void);
     DECL_LINK_TYPED(SymbolDblClickHdl2, SmShowSymbolSetWindow&, void);
     DECL_LINK_TYPED(EditClickHdl, Button*, void);
     DECL_LINK_TYPED(GetClickHdl, Button*, void);
+    void SymbolDblClickHdl();
 
     void            FillSymbolSets(bool bDeleteText = true);
     const SmSym    *GetSymbol() const;

starmath/source/dialog.cxx

@@ -1409,7 +1409,7 @@ void SmShowSymbol::Paint(vcl::RenderContext& rRenderContext, const Rectangle &rR
 void SmShowSymbol::MouseButtonDown(const MouseEvent& rMEvt)
 {
     if (rMEvt.GetClicks() > 1)
-        aDblClickHdlLink.Call(this);
+        aDblClickHdlLink.Call(*this);
     else
         Control::MouseButtonDown (rMEvt);
 }
@@ -1506,13 +1506,16 @@ IMPL_LINK_NOARG_TYPED(SmSymbolDialog, EditClickHdl, Button*, void)
 
 IMPL_LINK_NOARG_TYPED( SmSymbolDialog, SymbolDblClickHdl2, SmShowSymbolSetWindow&, void )
 {
-    SymbolDblClickHdl(nullptr);
+    SymbolDblClickHdl();
 }
-IMPL_LINK_NOARG( SmSymbolDialog, SymbolDblClickHdl )
+IMPL_LINK_NOARG_TYPED( SmSymbolDialog, SymbolDblClickHdl, SmShowSymbol&, void )
+{
+    SymbolDblClickHdl();
+}
+void SmSymbolDialog::SymbolDblClickHdl()
 {
     GetClickHdl(m_pGetBtn);
     EndDialog(RET_OK);
-    return 0;
 }