Rafa - haciendo const algunos de los member functions

bird.cpp

 ///
 /// Getter for the eyeColor.
 ///
-QString  Bird::getEyeColor(){
+QString  Bird::getEyeColor() const {
     return eColor ;
 }
 
 ///
 /// Getter for the faceColor.
 ///
-QString  Bird::getFaceColor(){
+QString  Bird::getFaceColor() const{
     return color ;
 }
 
 ///
 /// Setter for the eyeColor.
 ///
-void  Bird::setEyeColor(QString eye){
+void  Bird::setEyeColor(QString eye) {
     eColor = eye ;
 }
 
 ///
 /// Getter for the size.
 ///
-int Bird::getSize(){
+int Bird::getSize() const{
     return size ;
 }
 
 ///
 /// Getter for the Eyebrow.
 ///
-Bird::EyeBrowType Bird::getEyebrow(){
+Bird::EyeBrowType Bird::getEyebrow() const{
     return eyeBrow ;
 }
 
 ///
 /// Converts a color specified as string to a Qt::GlobalColor
 ///
-Qt::GlobalColor Bird::getColor(QString color){
+Qt::GlobalColor Bird::getColor(QString color) const{
 
     if(color=="red")
         return Qt::red ;

bird.h

     
     explicit Bird(QWidget *parent = 0);
     Bird(int , EyeBrowType , QString , QString, QWidget *parent = 0) ;
-    QString  getEyeColor() ;
-    QString  getFaceColor() ;
-    void  setEyeColor(QString) ;
-    void  setFaceColor(QString) ;
-    int getSize() ;
-    EyeBrowType getEyebrow() ;
+
+    // getters    
+    QString getEyeColor() const;
+    QString getFaceColor() const;
+    int getSize() const;
+    EyeBrowType getEyebrow() const;
+    Qt::GlobalColor getColor(QString) const;
+
+    // setters 
+    void setEyeColor(QString) ;
+    void setFaceColor(QString) ;
     void setSize(int) ;
     void setEyebrow(EyeBrowType) ;
-    Qt::GlobalColor getColor(QString) ;
+
 
     Bird & operator=(Bird &b);
 signals: