/usr/include/root/TGLEventHandler.h is in libroot-graf3d-gl-dev 5.34.30-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Bertrand Bellenot 29/01/2008
/*************************************************************************
* Copyright (C) 1995-2008, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TGLEventHandler
#define ROOT_TGLEventHandler
//////////////////////////////////////////////////////////////////////////
// //
// TGLEventHandler //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TGEventHandler
#include "TGEventHandler.h"
#endif
#ifndef ROOT_TPoint
#include "TPoint.h"
#endif
class TGToolTip;
class TGLViewer;
class TGLPhysicalShape;
class TGLEventHandler : public TGEventHandler
{
protected:
TGLViewer *fGLViewer;
TTimer *fMouseTimer; // mouse delay timer
TPoint fButtonPushPos;
TPoint fLastPos;
TPoint fLastMouseOverPos;
TGLPhysicalShape *fLastMouseOverShape;
TGToolTip *fTooltip; // tooltip for highlight
TPoint fLastGlobalPos;
TPoint fTooltipPos;
UInt_t fActiveButtonID;
UInt_t fLastEventState;
Bool_t fIgnoreButtonUp;
Bool_t fInPointerGrab;
Bool_t fMouseTimerRunning;
Bool_t fTooltipShown;
Bool_t fArcBall;
Int_t fTooltipPixelTolerance;
Int_t fSecSelType; // secondary selection type
Bool_t fDoInternalSelection;
Bool_t fViewerCentricControls;
Float_t fArrowKeyFactor;
Float_t fMouseDragFactor;
Float_t fMouseWheelFactor;
virtual Bool_t Rotate(Int_t xDelta, Int_t yDelta, Bool_t mod1, Bool_t mod2);
virtual void GrabMouse();
virtual void UnGrabMouse();
virtual void SelectForClicked(Event_t *event);
virtual void SelectForMouseOver();
Int_t ControlValue(Int_t v) { return fViewerCentricControls ? -v : v; }
public:
TGLEventHandler(TGWindow *w, TObject *obj);
virtual ~TGLEventHandler();
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
virtual Bool_t HandleEvent(Event_t *event);
virtual Bool_t HandleExpose(Event_t * event);
virtual Bool_t HandleFocusChange(Event_t *event);
virtual Bool_t HandleCrossing(Event_t *event);
virtual Bool_t HandleButton(Event_t * event);
virtual Bool_t HandleDoubleClick(Event_t *event);
virtual Bool_t HandleConfigureNotify(Event_t *event);
virtual Bool_t HandleKey(Event_t *event);
virtual Bool_t HandleMotion(Event_t * event);
virtual Bool_t HandleTimer(TTimer *t);
virtual void StartMouseTimer();
virtual void StopMouseTimer();
virtual void ClearMouseOver();
virtual void Repaint();
virtual void PopupContextMenu(TGLPhysicalShape* pshp, Event_t *event, Int_t gx, Int_t gy);
virtual void TriggerTooltip(const char* text);
virtual void RemoveTooltip();
void SetMouseOverSelectDelay(Int_t ms);
void SetMouseOverTooltipDelay(Int_t ms);
Int_t GetTooltipPixelTolerance() const { return fTooltipPixelTolerance; }
void SetTooltipPixelTolerance(Int_t t) { fTooltipPixelTolerance = t; }
Int_t GetSecSelType() const { return fSecSelType; }
void SetSecSelType(Int_t t) { fSecSelType = t; }
Bool_t GetDoInternalSelection() const { return fDoInternalSelection; }
void SetDoInternalSelection(Bool_t x) { fDoInternalSelection = x; }
Bool_t GetArcBall() const { return fArcBall; }
void SetArcBall(Bool_t a) { fArcBall = a; }
ClassDef(TGLEventHandler, 0); // Base-class and default implementation of event-handler for TGLViewer.
};
#endif
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