//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
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// ********************************************************************
//
//
// $Id: G4UIQt.hh,v 1.13 2006/06/29 19:09:33 gunter Exp $
// GEANT4 tag $Name: geant4-08-01 $
//
#ifndef G4UIQt_h
#define G4UIQt_h 

#if defined(G4UI_BUILD_QT_SESSION) || defined(G4UI_USE_QT)

#include <map>

#include "G4VBasicShell.hh"
#include "G4VInteractiveSession.hh"

#include <QtGui/qmainwindow.h>
#include <QtGui/qlineedit.h>
#include <QtGui/qtextedit.h>
class G4UIsession;

// Class description :
//
//  G4UIQt : class to handle a Motif interactive session.
// G4UIQt is the Motif version of G4UIterminal.
//
//  A command box is at disposal for entering/recalling Geant4 commands.
//  A menubar could be customized through the AddMenu, AddButton methods.
//  Note that there are corresponding Geant4 commands to add a 
// menus in the menubar and add buttons in a menu.
//  Ex : 
//    /gui/addMenu   test Test
//    /gui/addButton test Init /run/initialize
//    /gui/addButton test "Set gun" "/control/execute gun.g4m"
//    /gui/addButton test "Run one event" "/run/beamOn 1"
//
//  Command completion, by typing "tab" key, is available on the 
// command line.
//
// Class description - end :

class G4UIQt : public G4VBasicShell, public G4VInteractiveSession {
//  Q_OBJECT

public: // With description
  G4UIQt(int,char**);
  // (argv, argc) or (0, NULL) had to be given.
  G4UIsession* SessionStart();
  // To enter interactive X loop ; waiting/executing command,...
  void AddMenu(const char*,const char*);
  // To add a pulldown menu in the menu bar. 
  // First argument is the name of the menu.
  // Second argument is the label of the cascade button.
  // Ex : AddMenu("my_menu","My menu")
  void AddButton(const char*,const char*,const char*);
  // To add a push button in a pulldown menu.
  // First argument is the name of the menu.
  // Second argument is the label of the button.
  // Third argument is the Geant4 command executed when the button is fired.
  // Ex : AddButton("my_menu","Run","/run/beamOn 1"); 
public:
  ~G4UIQt();
  void Prompt(G4String);
  void SessionTerminate();
  void PauseSessionStart(G4String);
  G4int ReceiveG4cout(G4String);
  G4int ReceiveG4cerr(G4String);
//   G4String GetCommand(Widget);
private:
  void SecondaryLoop(G4String);
  G4bool GetHelpChoice(G4int&);
  void ExitHelp();
private:

  //  Widget form,shell,command,menuBar,text;
  //  std::map<Widget,G4String, std::less<Widget> > commands;
  //  static void commandEnteredCallback(Widget,XtPointer,XtPointer);
  //  static void keyHandler(Widget,XtPointer,XEvent*,Boolean*);
  G4bool fHelp;
  G4int fHelpChoice;
  QMainWindow * mainWindow;
  QLineEdit * promptArea;
  QTextEdit *textArea;
  //  static void ButtonCallback(Widget,XtPointer,XtPointer);

};

#endif

#endif