BUG: fix integer widget activation

Applications/Test/otbTestApplication.cxx

@@ -55,6 +55,7 @@ private:
     AddParameter(ParameterType_Int, "int", "Integer");
     MandatoryOff("int");
     AddParameter(ParameterType_Float, "float", "Float");
+    MandatoryOff("float");
     AddParameter(ParameterType_String, "string", "String");
     AddParameter(ParameterType_Filename, "filename", "File name");
     AddParameter(ParameterType_Directory, "directory", "Directory name");

Code/Wrappers/QtWidget/otbWrapperQtWidgetParameterBase.cxx

@@ -53,7 +53,7 @@ QtWidgetModel* QtWidgetParameterBase::GetModel()
 
 // Slot connected to the signal emitted the checkBox relative to
 // current widget
-void QtWidgetParameterBase::SetValue( int value )
+void QtWidgetParameterBase::SetActivationState( int value )
 {
   switch(value)
     {

Code/Wrappers/QtWidget/otbWrapperQtWidgetParameterBase.h

@@ -41,7 +41,7 @@ public:
 
 public slots:
   void UpdateGUI();
-  void SetValue( int value );
+  void SetActivationState( int value );
   void SetValue( bool v );
 
 protected slots:

Code/Wrappers/QtWidget/otbWrapperQtWidgetParameterGroup.cxx

@@ -73,7 +73,7 @@ void QtWidgetParameterGroup::DoCreateWidget()
 
         // CheckBox (col 1)
         QCheckBox * checkBox = new QCheckBox;
-        connect(checkBox, SIGNAL(stateChanged(int)), specificWidget, SLOT(SetValue(int)));
+        connect(checkBox, SIGNAL(stateChanged(int)), specificWidget, SLOT(SetActivationState(int)));
         
         if (param->IsRoot())
            {