How to access the UI from another class ?

[fitzy]

robotShooter.cpp :

class koala
{
 
   public:
    void log1(){
        robotShooter* another_object = new robotShooter();
        another_object->LOG("text");
    }
 
};
 
void robotShooter::LOG(QString text){
    ui->LOG->append(text);
}
 
robotShooter::robotShooter(QWidget *parent)
    : QMainWindow(parent), ui(new Ui::robotShooter)
{
    ui->setupUi(this);
 
    koala *KO = new koala();
    KO->log1();
 
}

class koala
{

   public:
    void log1(){
        robotShooter* another_object = new robotShooter();
        another_object->LOG("text");
    }

};

void robotShooter::LOG(QString text){
    ui->LOG->append(text);
}

robotShooter::robotShooter(QWidget *parent)
    : QMainWindow(parent), ui(new Ui::robotShooter)
{
    ui->setupUi(this);

    koala *KO = new koala();
    KO->log1();

}

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robotShooter.h

#ifndef ROBOTSHOOTER_H
#define ROBOTSHOOTER_H
 
#include <QtGui/QMainWindow>
 
namespace Ui
{
    class robotShooter;
}
 
class robotShooter : public QMainWindow
{
    Q_OBJECT
 
public:
    robotShooter(QWidget *parent = 0);
    ~robotShooter();
 
    void LOG(QString);
 
//private:
    Ui::robotShooter *ui;
};
 
#endif // ROBOTSHOOTER_H

#ifndef ROBOTSHOOTER_H
#define ROBOTSHOOTER_H

#include <QtGui/QMainWindow>

namespace Ui
{
    class robotShooter;
}

class robotShooter : public QMainWindow
{
    Q_OBJECT

public:
    robotShooter(QWidget *parent = 0);
    ~robotShooter();

    void LOG(QString);

//private:
    Ui::robotShooter *ui;
};

#endif // ROBOTSHOOTER_H

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