| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
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14 // * regarding this software system or assume any liability for its *
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17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
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24 // ********************************************************************
25 //
26 //
27 // F.W. Jones 05012018
28
29 #include <stdlib.h>
30 #include <string.h>
31
32 #include "G4ios.hh"
33
34 #include "G4SoQt.hh"
35 //#include "G4Qt.hh"
36 //#include "G4UImanager.hh"
37
38 #include <Inventor/Qt/SoQt.h>
39 #include <QMainWindow>
40
41 #include <qwidget.h>
42 #include <qapplication.h>
43
44 #ifndef G4GMAKE
45 #include "moc_G4SoQt.cpp"
46 #endif
47
48 #define G4warn G4cout
49
50 G4SoQt* G4SoQt::instance = NULL;
51
52 static G4bool QtInited = FALSE;
53
54
55 /***************************************************************************/
56 G4SoQt* G4SoQt::getInstance()
57 {
58 if (instance==NULL) {
59 instance = new G4SoQt();
60 }
61 return instance;
62 }
63
64
65 /***************************************************************************/
66 G4SoQt::G4SoQt()
67 // FWJ command-line arguments omitted for time being
68 //G4SoQt* G4SoQt(int a_argn, char** a_args, char*)
69 {
70 externalApp = false;
71
72 // FWJ in G4Qt this is used. qApp is Qt global pointer
73 // to the (one and only one) QApplication object:
74 // new QApplication (*p_argn, args);
75 // if(!qApp) {
76
77 // FWJ detects existence of Qt UI or other running qApp
78 if (qApp) externalApp = true;
79
80 QWidget* mainWin = SoQt::init("Geant4");
81
82 // FWJ Cf Xt:
83 QtInited = TRUE;
84
85 // FWJ DEBUG
86 // G4cout << "G4SoQt: mainWin=" << mainWin << G4endl;
87 // G4cout << "G4SoQt: toplevelwidget=" << SoQt::getTopLevelWidget() << G4endl;
88
89 // FWJ CAN'T GET MENUBAR THIS WAY OR BY CAST
90 // QWidget* toplevel = SoQt::getTopLevelWidget();
91 // QMenuBar* menubar = QMainWindow::menuBar();
92 // G4cout << "G4OpenInventorQtExaminerViewer menubar=" << menubar << G4endl;
93
94
95 // FWJ will this work?
96 SetMainInteractor(mainWin);
97 // SetMainInteractor(qApp);
98 // AddDispatcher ((G4DispatchFunction)XtDispatchEvent);
99
100 // FWJ no locale for now (see G4Qt.cc)
101
102 }
103
104 /***************************************************************************/
105 G4SoQt::~G4SoQt()
106 {
107 if(this==instance) {
108 instance = NULL;
109 }
110 }
111
112 G4bool G4SoQt::Inited()
113 {
114 return QtInited;
115 }
116
117 /***************************************************************************/
118 void* G4SoQt::GetEvent()
119 {
120 return 0;
121 }
122
123
124 /***************************************************************************/
125 void G4SoQt::FlushAndWaitExecution()
126 {
127 // FWJ the following is used in G4Qt:
128 // if(!qApp) return;
129 // This starts the Qt main loop:
130 // qApp->processEvents();
131
132 // FWJ no, should be done in secondaryLoop()!
133 // SoQt::mainLoop();
134 }
135
136
137 /***************************************************************************/
138 void G4SoQt::SecondaryLoop()
139 {
140 if (externalApp) return;
141
142 // FWJ DEBUG
143 // G4cout <<
144 // "ENTERING OIQT VIEWER SECONDARY LOOP" << G4endl;
145 // else
146
147 G4warn <<
148 "ENTERING OIQT VIEWER SECONDARY LOOP... PRESS E KEY TO EXIT" << G4endl;
149
150 SoQt::mainLoop();
151 }
152
153
154 /***************************************************************************/
155 void G4SoQt::ExitSecondaryLoop()
156 {
157 // FWJ DEBUG
158 // G4cout << "G4SoQt: EXIT SECONDARY LOOP externalApp=" <<
159 // externalApp << G4endl;
160
161 if (externalApp) return;
162 SoQt::exitMainLoop();
163 }
164 /***************************************************************************/
165 bool G4SoQt::IsExternalApp()
166 {
167 return externalApp;
168 }
169