#include "prova2.h"

prova2::prova2()
{
	CtrlLayout(*this, "Window title");
}

int prova2::calcolo(int x, int y)
{
	int somma;
	somma = x+y;
	return somma;	
}	

GUI_APP_MAIN
{
	prova2().Run();
}

#ifndef _prova2_prova2_h
#define _prova2_prova2_h

#include <CtrlLib/CtrlLib.h>

using namespace Upp;

#define LAYOUTFILE <prova2/prova2.lay>
#include <CtrlCore/lay.h>



class prova2 : public Withprova2Layout<TopWindow> {

	int calcolo(int x, int y);	
	
public:
	typedef prova2 CLASSNAME;
	prova2();
};

#endif

LAYOUT(prova2Layout, 268, 140)
	ITEM(EditInt, x, LeftPosZ(52, 64).TopPosZ(24, 19))
	ITEM(EditInt, y, LeftPosZ(188, 64).TopPosZ(24, 19))
	ITEM(Label, dv___2, SetLabel(t_("X =")).LeftPosZ(16, 33).TopPosZ(24, 21))
	ITEM(Label, dv___3, SetLabel(t_("Y =")).LeftPosZ(152, 33).TopPosZ(24, 21))
	ITEM(Label, somma, LeftPosZ(80, 172).TopPosZ(52, 24))
	ITEM(Label, dv___5, SetLabel(t_("Somma =")).LeftPosZ(16, 56).TopPosZ(56, 21))
	ITEM(Button, calcola, SetLabel(t_("CALCOLA")).SetFont(StdFontZ(19).Bold()).LeftPosZ(16, 236).TopPosZ(88, 32))
END_LAYOUT

#ifndef _prova2_prova2_h
#define _prova2_prova2_h

#include <CtrlLib/CtrlLib.h>

using namespace Upp;

#define LAYOUTFILE <prova2/prova2.lay>
#include <CtrlCore/lay.h>



class prova2 : public Withprova2Layout<TopWindow> {
public:
	typedef prova2 CLASSNAME;
	prova2();

private:
	void calcolo();	
};

#endif

#include "prova2.h"

prova2::prova2()
{
	CtrlLayout(*this, "Window title");

	// you must add a callback on x or y fields update	
	x <<= THISBACK( calcolo) ;
	y <<= THISBACK( calcolo) ;
}

void prova2::calcolo()
{
	// You do the addition only if x and y are valid
	if( !( x.IsNullInstance() || y.IsNullInstance() ) )
	{
		// Here, you must get the value inserted in your x EditInt field (done with ~x)
		int xValue = ~x ;
	
		// And, you must also get the value inserted in your y EditInt field (done with ~y)
		int yValue = ~y ;
	
		// And now, you must update your somma Label field with the addition.
		// As somma is a Label, we must convert your result into text (done by Format)
		// and then, you update your field by the SetText method.
		somma.SetText( Format( "%d", xValue+yValue ) );
	}
	else
	{
		somma.SetText( "" ) ;
	}

	return ;	
}	

GUI_APP_MAIN
{
	prova2().Run();
}