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Code: Alles auswählen

class Button:public QPushButton
{
   Q_OBJECT
   
   private:
      int number;

   public:
     Button(int value,std::string name,
             int x,int y,int w,int h, 
             QWidget* parent,LCD*lcd);
      
      short getNumber() const;

   signals:
      void myClicked(Button*button);
   
   public slots:  
      void sendLcdPointer();
};

Code: Alles auswählen

class LCD:public QLCDNumber
{
   Q_OBJECT

   private:
      int maxRange;
      

   public:
      LCD(int digits,
          int x,int y,int w,int h, 
          QWidget*parent);

   public slots:
      void newNumber(Button*button);
};

Code: Alles auswählen

 Button::Button(int value,std::string name,
               int x,int y,int w,int h, 
               QWidget*parent,LCD*lcd):
   QPushButton(name.c_str(),parent),number(value)
{
   this->setGeometry(x,y,w,h);

   QObject::connect(this,SIGNAL(  clicked()         ),
                              this,SLOT  (  sendLcdPointer()  ),
                              Qt::DirectConnection);
   
   QObject::connect(this,  SIGNAL(  myClicked(Button*)  ),
                             lcd,   SLOT  (  newNumber(Button*)  ),
                             Qt::DirectConnection);
}