Use boost::signal in SmElementsControl

Change-Id: Icb19466db6720350e105b75cb1c0c858f39403ef
Reviewed-on: https://gerrit.libreoffice.org/12509
Reviewed-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Tested-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>

2 files changed, 8 insertions, 11 deletions

diff --git a/starmath/inc/ElementsDockingWindow.hxx b/starmath/inc/ElementsDockingWindow.hxx
index 73534ef15cff..013b6cd30e7b 100644
--- a/starmath/inc/ElementsDockingWindow.hxx
+++ b/starmath/inc/ElementsDockingWindow.hxx
@@ -21,6 +21,7 @@
 #define INCLUDED_STARMATH_INC_ELEMENTSDOCKINGWINDOW_HXX
 
 #include <boost/scoped_ptr.hpp>
+#include <boost/signals2/signal.hpp>
 #include <sfx2/dockwin.hxx>
 #include <svx/dlgctrl.hxx>
 #include <vcl/scrbar.hxx>
@@ -80,8 +81,6 @@ class SmElementsControl : public Control
     static const sal_uInt16 aFormats[][2];
     static const sal_uInt16 aOthers[][2];
 
-    Link aSelectHdlLink;
-
     virtual void Paint(const Rectangle&) SAL_OVERRIDE;
     virtual void MouseButtonDown(const MouseEvent& rMEvt) SAL_OVERRIDE;
     virtual void MouseMove( const MouseEvent& rMEvt ) SAL_OVERRIDE;
@@ -115,10 +114,10 @@ public:
 
     void setVerticalMode(bool bVertical);
 
-    void SetSelectHdl(const Link& rLink)   { aSelectHdlLink = rLink; }
-
     DECL_LINK( ScrollHdl, void* );
     void DoScroll(long nDelta);
+
+    boost::signals2::signal< void ( SmElement* ) > selectedSignal;
 };
 
 class SmElementsDockingWindow : public SfxDockingWindow
@@ -131,7 +130,7 @@ class SmElementsDockingWindow : public SfxDockingWindow
     virtual void Resize() SAL_OVERRIDE;
     SmViewShell* GetView();
 
-    DECL_LINK(SelectClickHdl, SmElement*);
+    void SelectClickHandler(SmElement* pElement);
     DECL_LINK(ElementSelectedHandle, ListBox*);
 
 public:
diff --git a/starmath/source/ElementsDockingWindow.cxx b/starmath/source/ElementsDockingWindow.cxx
index 4b2cd4a50152..e22982817dbf 100644
--- a/starmath/source/ElementsDockingWindow.cxx
+++ b/starmath/source/ElementsDockingWindow.cxx
@@ -415,7 +415,7 @@ void SmElementsControl::MouseButtonDown(const MouseEvent& rMouseEvent)
             Rectangle rect(element->mBoxLocation, element->mBoxSize);
             if (rect.IsInside(rMouseEvent.GetPosPixel()))
             {
-                aSelectHdlLink.Call(element);
+                selectedSignal(element);
                 return;
             }
         }
@@ -650,13 +650,12 @@ SmElementsDockingWindow::SmElementsDockingWindow(SfxBindings* pInputBindings, Sf
     }
 
     maElementListBox.SetSelectHdl(LINK(this, SmElementsDockingWindow, ElementSelectedHandle));
+    maElementListBox.SelectEntry(SM_RESSTR(RID_CATEGORY_UNARY_BINARY_OPERATORS));
 
     maElementsControl.SetBackground( Color( COL_WHITE ) );
     maElementsControl.SetTextColor( Color( COL_BLACK ) );
-    maElementsControl.SetSelectHdl(LINK(this, SmElementsDockingWindow, SelectClickHdl));
-
-    maElementListBox.SelectEntry(SM_RESSTR(RID_CATEGORY_UNARY_BINARY_OPERATORS));
     maElementsControl.setElementSetId(RID_CATEGORY_UNARY_BINARY_OPERATORS);
+    maElementsControl.selectedSignal.connect( boost::bind( &SmElementsDockingWindow::SelectClickHandler, this, _1 ) );
 
     FreeResource();
 }
@@ -682,7 +681,7 @@ void SmElementsDockingWindow::EndDocking( const Rectangle& rReactangle, bool bFl
     maElementsControl.setVerticalMode(bVertical);
 }
 
-IMPL_LINK( SmElementsDockingWindow, SelectClickHdl, SmElement*, pElement)
+void SmElementsDockingWindow::SelectClickHandler( SmElement* pElement )
 {
     SmViewShell* pViewSh = GetView();
 
@@ -692,7 +691,6 @@ IMPL_LINK( SmElementsDockingWindow, SelectClickHdl, SmElement*, pElement)
             SID_INSERTCOMMANDTEXT, SfxCallMode::RECORD,
             new SfxStringItem(SID_INSERTCOMMANDTEXT, pElement->getText()), 0L);
     }
-    return 0;
 }
 
 IMPL_LINK( SmElementsDockingWindow, ElementSelectedHandle, ListBox*, pList)