#include <TGMenu.h>
#include <TSystem.h>
#include <TROOT.h>

class MainWindow: public TGMainFrame {

private:
  TGPopupMenu*		menuFile;
  //TGPopupMenu* 		menuControls;
  TGMenuBar*		menuBar;
  TGLayoutHints*	menuBarLayout;
  TGLayoutHints*	menuBarItemLayout;
  
public:
  MainWindow(const TGWindow*w,int s1,int s2);
  virtual ~MainWindow(); // Closing the control window closes the whole program
  virtual void CloseWindow();
  
  Bool_t ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2);
};

#define M_FILE_EXIT 0

Bool_t MainWindow::ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2)
{
   // printf("GUI Message %d %d %d\n",(int)msg,(int)parm1,(int)parm2);
    switch (GET_MSG(msg))
      {
      default:
	break;
      case kC_COMMAND:
	switch (GET_SUBMSG(msg))
	  {
	  default:
	    break;
	  case kCM_MENU:
	    switch (parm1)
	      {
	      default:
		break;
	      case M_FILE_EXIT:
		gSystem->ExitLoop();
		break;
	      }
	    break;
	  }
	break;
      }

    return kTRUE;
}

MainWindow::MainWindow(const TGWindow*w,int s1,int s2) // ctor
    : TGMainFrame(w,s1,s2)
{
   //SetCleanup(kDeepCleanup);
   

   SetWindowName("ROOT Analyzer Control");

   // layout the gui
   menuFile = new TGPopupMenu(gClient->GetRoot());
   menuFile->AddEntry("Exit", M_FILE_EXIT);

   menuBarItemLayout = new TGLayoutHints(kLHintsTop|kLHintsLeft, 0, 4, 0, 0);

   menuFile->Associate(this);
   //menuControls->Associate(this);

   menuBar = new TGMenuBar(this, 1, 1, kRaisedFrame);
   menuBar->AddPopup("&File",     menuFile,     menuBarItemLayout);
   //menuBar->AddPopup("&Controls", menuControls, menuBarItemLayout);
   menuBar->Layout();

   menuBarLayout = new TGLayoutHints(kLHintsTop|kLHintsLeft|kLHintsExpandX);
   AddFrame(menuBar,menuBarLayout);
   
   MapSubwindows(); 
   Layout();
   MapWindow();

}

MainWindow::~MainWindow()
{

    delete menuFile;
    //delete menuControls;
    delete menuBar;
    delete menuBarLayout;
    delete menuBarItemLayout;
}

void MainWindow::CloseWindow()
{

    gSystem->ExitLoop();
}