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geant4/source/interfaces/common/include/G4Xt.hh
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2021-12-10 16:15:15 +00:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
//
//
// To unify X11 event treatment between
// G4/interfaces Xt sessions and G4/visualizations Xt drivers.
// G.Barrand
#ifndef G4XT_HH
#define G4XT_HH
#include <X11/Intrinsic.h>
#include "G4VInteractorManager.hh"
// Class description :
//
// G4Xt : a singleton to handle GUI sessions and visualization
// drivers built over Xt. It permits to have one Xt main loop for
// the whole application. The Xt toolkit is inited in the
// constructor. It is done once for the whole application.
//
// Class description - end :
class G4Xt : public G4VInteractorManager {
public:
static G4Xt* getInstance();
static G4Xt* getInstance(int,char**,char*);
void PutStringInResourceDatabase(char*);
G4bool Inited();
void* GetEvent();
void FlushAndWaitExecution();
virtual ~G4Xt();
// Workaround for gcc8 Coverity cast warning
static bool xt_dispatch_event(void* a_event) {
return XtDispatchEvent((XEvent*)a_event);
}
private:
G4Xt (const G4Xt&);
G4Xt (int,char**,char*);
G4Xt& operator= (const G4Xt&);
static G4Xt* instance; // Pointer to single instance.
};
#endif