Geant4  10.02.p02
G4OpenGLXm.cc
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27 // $Id:$
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29 // John Allison 16th July 2015
30 // Base class for OpenGLImmediate/StoredXm graphics system factories.
31 
32 #ifdef G4VIS_BUILD_OPENGLXM_DRIVER
33 
34 #include "G4OpenGLXm.hh"
35 
36 #include "G4UImanager.hh"
37 #include "G4UIbatch.hh"
38 
40  const G4String& nickname,
41  const G4String& description,
42  Functionality f):
43 G4VGraphicsSystem (name,
44  nickname,
45  description,
46  f)
47 {}
48 
50 {
51  G4bool isCompatible = false;
54 
55  // If session is a batch session, it may be:
56  // a) this is a batch job (the user has not instantiated any UI session);
57  // b) we are currently processing a UI command, in which case the UI
58  // manager creates a temporary batch session and to find out if there is
59  // a genuine UI session that the user has instantiated we must drill
60  // down through previous sessions to a possible non-batch session.
61  while (G4UIbatch* batch = dynamic_cast<G4UIbatch*>(session)) {
62  session = batch->GetPreviousSession();
63  }
64 
65  // Xm windows are not appropriate in a batch session.
66  if (session) {
67  // If non-zero, this is the originating non-batch session
68  // The user has instantiated a UI session...
69  isCompatible = true;
70  }
71 
72  return isCompatible;
73 }
74 
75 #endif
G4UIsession * GetSession() const
Definition: G4UImanager.hh:208
G4String name
Definition: TRTMaterials.hh:40
G4bool IsUISessionCompatible() const
static G4UImanager * GetUIpointer()
Definition: G4UImanager.cc:58
bool G4bool
Definition: G4Types.hh:79
static G4UIterminal * session
G4OpenGLXm(const G4String &name, const G4String &nickname, const G4String &description, Functionality f)