/* time calculator interface */

#include<qapplication.h>
#include<qwidget.h>
#include<qpushbutton.h>
#include<qlabel.h>
#include<qlineedit.h>
#include<qlayout.h>

// for random number generation

class easyfield 
{
public:
  QLineEdit *qef;
public:
  easyfield(QString s, QWidget *p)
    { qef = new QLineEdit(s,p); }
  int getIntVal()
    { return (qef->text()).toInt(); }
  double getDoubleVal()
    { return (qef->text()).toDouble(); }
  void setIntVal(int x)
    { qef->setText(QString::number(x)); }
  void setDoubleVal(double x)
    { qef->setText(QString::number(x)); }
  void setString(QString s)
    { qef->setText(s); }
};  // end class easyfield

/* Don't touch anything below unless you want to explore: */

class mywindow : public QWidget
{
  Q_OBJECT

  public:
    mywindow();

private:    // GUI components
   QPushButton *myButton;
   QLabel *l1;
   QLabel *l2;
   QLabel *l3; QLabel *l4;
   easyfield *field_m1;
   easyfield *field_m2;
   easyfield *field_s1;
   easyfield *field_s2;
   easyfield *field_rm;
   easyfield *field_rs;

   QGridLayout *gridl;   
   QVBoxLayout *vboxl;
  
  public slots:
    void myhandler();
  public:
    void addtime();
 };  // end of class mywindow


   mywindow::mywindow()
     { 
        setGeometry(100,100,230,110);
	l1 = new QLabel(" Minutes:",this);
	l2 = new QLabel(" Seconds: ",this);
	l3 = new QLabel("    +    ",this);
	l4 = new QLabel("    =    ",this);
        field_m1 = new easyfield("",this);
        field_m2 = new easyfield("",this);
        field_s1 = new easyfield("",this);
        field_s2 = new easyfield("",this);
        field_rm = new easyfield("",this);
        field_rs = new easyfield("",this);

        field_m1->qef->setAlignment(Qt::AlignHCenter);   // set center alignments
        field_s1->qef->setAlignment(Qt::AlignHCenter);   // set center alignments
        field_m2->qef->setAlignment(Qt::AlignHCenter);   // set center alignments
        field_s2->qef->setAlignment(Qt::AlignHCenter);   // set center alignments
        field_rm->qef->setAlignment(Qt::AlignHCenter);   // set center alignments
        field_rs->qef->setAlignment(Qt::AlignHCenter);   // set center alignments 
	field_rm->qef->setReadOnly(true);
	field_rs->qef->setReadOnly(true);
        
        vboxl = new QVBoxLayout(this,2);
        gridl = new QGridLayout(vboxl,3,3);  // grid layout of fields
        gridl->addWidget(l1,0,1);            // add component to layout coords.
        gridl->addWidget(l2,0,2); 
        gridl->addWidget(l3,2,0);
        gridl->addWidget(l4,3,0);
        gridl->addWidget(field_m1->qef,1,1);
        gridl->addWidget(field_s1->qef,1,2);
        gridl->addWidget(field_m2->qef,2,1);
        gridl->addWidget(field_s2->qef,2,2);
        gridl->addWidget(field_rm->qef,3,1);
        gridl->addWidget(field_rs->qef,3,2);

        myButton = new QPushButton("  Compute  ",this);
        vboxl->addWidget(myButton);
        
        connect(myButton, SIGNAL( clicked() ), this, SLOT( myhandler() ));
     }  // end of mywindow.

   void mywindow::myhandler()
     {    
       addtime();   // call student defined function
     }

int main(int argc, char **argv)
{
        QApplication mainapp(argc, argv);

        mywindow thewindow;
        thewindow.setMinimumSize(100,50);
        mainapp.setMainWidget(&thewindow);
        thewindow.show();
        return mainapp.exec();   // This should always be the last line 
}                                // of a Qt enhanced C++ program      

#include "timegui.moc"        // Don't erase this line, and don't move it!