#include <CtrlLib/CtrlLib.h>

using namespace Upp;

class LaunchField : public EditField
{
public:
	virtual	bool Key(dword key, int count);
	Callback WhenEnter;
	
	typedef LaunchField CLASSNAME;
	LaunchField() {}
	~LaunchField() {}	
};

bool LaunchField::Key(dword key, int count)
{
	if(key == K_ENTER) {
		WhenEnter();
		return true;
	}
	return EditField::Key(key, count);
}

//==============================================

class MyApp : public TopWindow {
public:
	LaunchField  box1, box2;

	void OnEnter1();	

	typedef MyApp CLASSNAME;

	MyApp();
	~MyApp() {}
};

MyApp::MyApp()
{
	box1.WhenEnter = THISBACK(OnEnter1);
	
	Add(box1.TopPosZ(0, 20).HSizePos());
	Add(box2.TopPosZ(20, 20).HSizePos());

	SetRect(0, 0, 200, 60);  //if you really need
	
	Zoomable().Sizeable().Title("CallbackField Demo");
}

void MyApp::OnEnter1()
{
	box2<<= ~box1;
	PromptOK("you can launch a rocket from here! but better replace me with your code!");
}


//==============================================

GUI_APP_MAIN
{
	MyApp  app;	
	app.Run();
}