| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
>> 27 // $Id:$
27 // 28 //
28 // John Allison 27th October 2012 29 // John Allison 27th October 2012
29 // Base class for OpenGLImmediate/StoredQt gra 30 // Base class for OpenGLImmediate/StoredQt graphics system factories.
30 31
>> 32 #ifdef G4VIS_BUILD_OPENGLQT_DRIVER
>> 33
31 #include "G4OpenGLQt.hh" 34 #include "G4OpenGLQt.hh"
32 35
33 #include "G4UIQt.hh" 36 #include "G4UIQt.hh"
34 #include "G4UImanager.hh" 37 #include "G4UImanager.hh"
35 #include "G4UIbatch.hh" 38 #include "G4UIbatch.hh"
36 39
37 G4OpenGLQt::G4OpenGLQt (const G4String& name, 40 G4OpenGLQt::G4OpenGLQt (const G4String& name,
38 const G4String& nickna 41 const G4String& nickname,
39 const G4String& descri 42 const G4String& description,
40 Functionality f): 43 Functionality f):
41 G4VGraphicsSystem (name, 44 G4VGraphicsSystem (name,
42 nickname, 45 nickname,
43 description, 46 description,
44 f) 47 f)
45 {} 48 {}
46 49
47 G4bool G4OpenGLQt::IsUISessionCompatible () co 50 G4bool G4OpenGLQt::IsUISessionCompatible () const
48 { 51 {
49 // Qt windows require a Qt session. << 52 G4bool isCompatible = false;
50 G4UIsession* baseSession = G4UImanager::GetU << 53 G4UImanager* ui = G4UImanager::GetUIpointer();
51 if (dynamic_cast<G4UIQt*>(baseSession) != nu << 54 G4UIsession* session = ui->GetSession();
52 return false; << 55
>> 56 // If session is a batch session, it may be:
>> 57 // a) this is a batch job (the user has not instantiated any UI session);
>> 58 // b) we are currently processing a UI command, in which case the UI
>> 59 // manager creates a temporary batch session and to find out if there is
>> 60 // a genuine UI session that the user has instantiated we must drill
>> 61 // down through previous sessions to a possible non-batch session.
>> 62 while (G4UIbatch* batch = dynamic_cast<G4UIbatch*>(session)) {
>> 63 session = batch->GetPreviousSession();
>> 64 }
>> 65
>> 66 // Qt windows are only appropriate in a Qt session.
>> 67 if (session) {
>> 68 // If non-zero, this is the originating non-batch session
>> 69 // The user has instantiated a UI session...
>> 70 if (dynamic_cast<G4UIQt*>(session)) {
>> 71 // ...and it's a G4UIQt session, which is OK.
>> 72 isCompatible = true;
>> 73 }
>> 74 }
>> 75 return isCompatible;
53 } 76 }
>> 77
>> 78 #endif
54 79