doc/v606/arrow__standalone_8C.html

void arrow_standalone()

{

   TEveManager::Create(kFALSE);


   // ----------------------------------------------------------------------


   TGMainFrame* mf = new TGMainFrame(gClient->GetRoot(), 800, 400,

                                     kHorizontalFrame);

   mf->SetWindowName("Arrow Foo");


   // ----------------------------------------------------------------------


   TGCompositeFrame* evf = new TGCompositeFrame(mf, 400, 400);

   mf->AddFrame(evf, new TGLayoutHints(kLHintsNormal  |

                                       kLHintsExpandX | kLHintsExpandY));


   TGLEmbeddedViewer* ev = new TGLEmbeddedViewer(evf);

   evf->AddFrame(ev->GetFrame(),

                 new TGLayoutHints(kLHintsNormal  |

                                   kLHintsExpandX | kLHintsExpandY));


   TEveViewer* eve_v = new TEveViewer("YourViewer");

   eve_v->SetGLViewer(ev, ev->GetFrame());

   eve_v->IncDenyDestroy();

   eve_v->AddScene(gEve->GetEventScene());

   gEve->GetViewers()->AddElement(eve_v);


   // ----------------------------------------------------------------------


   // To create embedded canvas ... no menus on top.


   // TRootEmbeddedCanvas* ec =

   //    new TRootEmbeddedCanvas("EmbeddedCanvas", mf, 400, 400);

   // mf->AddFrame(ec, new TGLayoutHints(kLHintsNormal  |

   //                                    kLHintsExpandX | kLHintsExpandY));


   // --------------------------------


   // This one is tricky - must be after embedded canvas but before std canvas!

   mf->MapSubwindows();


   // --------------------------------


   // To create full canvas with menus.


   mf->SetEditable();

   TCanvas* c = new TCanvas("Foo", "Bar", 400, 400);

   mf->SetEditable(kFALSE);


   // ----------------------------------------------------------------------


   mf->Layout();

   mf->MapWindow();


   // ----------------------------------------------------------------------


   // Populate the viewer ... here we just call the arrow.C.


   TEveUtil::Macro("arrow.C");

}