This file is indexed.

/usr/include/root/TGLWidget.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.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
// @(#)root/gl:$Id$
// Author:  Timur Pocheptsov, Jun 2007

/*************************************************************************
 * Copyright (C) 1995-2004, 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_TGLWidget
#define ROOT_TGLWidget

#include <utility>
#include <memory>
#include <set>

#ifndef ROOT_TGLContext
#include "TGLContext.h"
#endif
#ifndef ROOT_TVirtualGL
#include "TVirtualGL.h"
#endif
#ifndef ROOT_TGLFormat
#include "TGLFormat.h"
#endif
#ifndef ROOT_TGFrame
#include "TGFrame.h"
#endif

class TGLWidget;
class TGEventHandler;

class TGLWidget : public TGFrame, public TGLPaintDevice
{
   friend class TGLContext;

private:
   TGLContext                       *fGLContext;
   //fInnerData is for X11 - <dpy, visualInfo> pair.
   std::pair<void *, void *>         fInnerData;
   Int_t                             fWindowIndex;

   TGLFormat                         fGLFormat;
   //fFromCtor checks that SetFormat was called only from ctor.
   Bool_t                            fFromInit;

   std::set<TGLContext *>            fValidContexts;

   TGEventHandler                   *fEventHandler;

public:
   static TGLWidget* CreateDummy();

   static TGLWidget* Create(const TGWindow* parent, Bool_t selectInput,
             Bool_t shareDefault, const TGLPaintDevice *shareDevice,
             UInt_t width, UInt_t height);

   static TGLWidget* Create(const TGLFormat &format,
             const TGWindow* parent, Bool_t selectInput,
             Bool_t shareDefault, const TGLPaintDevice *shareDevice,
             UInt_t width, UInt_t height);

   ~TGLWidget();

   virtual void      InitGL();
   virtual void      PaintGL();

   Bool_t            MakeCurrent();
   Bool_t            ClearCurrent();
   void              SwapBuffers();
   const TGLContext *GetContext()const;

   const  TGLFormat *GetPixelFormat()const;

   //This function is public _ONLY_ for calls
   //via gInterpreter. Do not call it directly.
   void              SetFormat();
   //To repaint gl-widget without GUI events.
   void              ExtractViewport(Int_t *vp)const;

   TGEventHandler   *GetEventHandler() const { return fEventHandler; }
   void              SetEventHandler(TGEventHandler *eh);

   Bool_t HandleButton(Event_t *ev);
   Bool_t HandleDoubleClick(Event_t *ev);
   Bool_t HandleConfigureNotify(Event_t *ev);
   Bool_t HandleKey(Event_t *ev);
   Bool_t HandleMotion(Event_t *ev);
   Bool_t HandleFocusChange(Event_t *);
   Bool_t HandleCrossing(Event_t *);

   void   DoRedraw();

private:
   TGLWidget(const TGLWidget &);              // Not implemented.
   TGLWidget &operator = (const TGLWidget &); // Not implemented.

protected:
   TGLWidget(Window_t glw, const TGWindow* parent, Bool_t selectInput);

   static Window_t CreateWindow(const TGWindow* parent, const TGLFormat &format,
                                UInt_t width, UInt_t height,
                                std::pair<void *, void *>& innerData);

   void AddContext(TGLContext *ctx);
   void RemoveContext(TGLContext *ctx);

   std::pair<void *, void *> GetInnerData()const;

   ClassDef(TGLWidget, 0); //Window (widget) version of TGLPaintDevice
};

#endif