| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
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 *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 // Guy Barrand 8th April 2021
27
28 #ifndef G4TOOLSSGQTGLESVIEWER_HH
29 #define G4TOOLSSGQTGLESVIEWER_HH
30
31 #include "G4ToolsSGViewer.hh"
32
33 #include "G4Qt.hh"
34 #include "G4UIQt.hh"
35 #include "G4UImanager.hh"
36
37 #include <toolx/Qt/sg_viewer>
38
39 #include <qmainwindow.h>
40
41 class G4ToolsSGQtDestroyCallback : public QObject {
42 Q_OBJECT
43 public:
44 G4ToolsSGQtDestroyCallback(G4VViewer* a_viewer):fViewer(a_viewer) {}
45 virtual ~G4ToolsSGQtDestroyCallback() {}
46 private:
47 G4ToolsSGQtDestroyCallback(const G4ToolsSGQtDestroyCallback&);
48 G4ToolsSGQtDestroyCallback& operator=(const G4ToolsSGQtDestroyCallback&);
49 public slots:
50 void execute(){
51 //::printf("debug : G4ToolsSGQtDestroyCallback::execute\n");
52 delete fViewer;
53 }
54 private:
55 G4VViewer* fViewer;
56 };
57
58 class G4ToolsSGQtGLESViewer : public G4ToolsSGViewer<toolx::Qt::session,toolx::Qt::sg_viewer> {
59 typedef G4ToolsSGViewer<toolx::Qt::session,toolx::Qt::sg_viewer> parent;
60 public:
61 G4ToolsSGQtGLESViewer(toolx::Qt::session& a_session,G4ToolsSGSceneHandler& a_scene_handler, const G4String& a_name)
62 :parent(a_session,a_scene_handler,a_name)
63 ,fSGQWidget(nullptr)
64 ,fDestroyCallback(0)
65 {
66 fDestroyCallback = new G4ToolsSGQtDestroyCallback(this);
67 }
68 virtual ~G4ToolsSGQtGLESViewer() {
69 delete fDestroyCallback; //it will remove the below signal/slot connection.
70 }
71 protected:
72 G4ToolsSGQtGLESViewer(const G4ToolsSGQtGLESViewer& a_from):parent(a_from){}
73 G4ToolsSGQtGLESViewer& operator=(const G4ToolsSGQtGLESViewer&) {return *this;}
74 public:
75 virtual void Initialise() {
76 if(fSGQWidget) return; //done.
77 parent::Initialise();
78 if(!fSGViewer) {
79 G4cerr << "G4ToolsSGQtGLESViewer::Initialise: ERROR: G4ToolsSGQtGLESViewer has no toolx::Qt::sg_viewer." << G4endl;
80 return;
81 }
82 fSGQWidget = fSGViewer->shell();
83 if (!fSGQWidget) {
84 G4cerr << "G4ToolsSGQtGLESViewer::Initialise: ERROR: toolx::Qt::sg_viewer has no QWidget shell." << G4endl;
85 return;
86 }
87
88 {G4UImanager* ui = G4UImanager::GetUIpointer();
89 G4UIsession* session = ui->GetG4UIWindow();
90 fUIQt = session? dynamic_cast<G4UIQt*>(session) :nullptr;
91 if(fUIQt) {
92 G4Qt* interactorManager = G4Qt::getInstance ();
93 if (!interactorManager->IsExternalApp()) {
94 fSGViewer->set_own_shell(false);
95 fUIQt->AddTabWidget(fSGQWidget,QString(GetName()));
96 QObject::connect(fSGQWidget,SIGNAL(destroyed()),fDestroyCallback,SLOT(execute()));
97
98 QMainWindow* main_window = fUIQt->GetMainWindow();
99 if(main_window) {
100 main_window->show();
101 interactorManager->FlushAndWaitExecution();
102 }
103 }
104 }}
105
106 fSGViewer->enable_keyboard_focus();
107 }
108
109 virtual void SetView() {
110 #ifdef __APPLE__
111 if(fSGQWidget && fSGViewer) {
112 if( (2*fSGQWidget->width() == int(fSGViewer->width())) &&
113 (2*fSGQWidget->height() == int(fSGViewer->height())) ){
114 // With Qt/Cocoa, the received size in
115 // tools::sg::glarea::resizeGL is twice the QWidget::[width(),height()]!
116 // In general it does not pose problem, except when rendering 2D texts.
117 // In order to have similar sizes than other platforms, we have to double
118 // their pixel heights.
119 fVP.SetGlobalMarkerScale(2);
120 }
121 }
122 #endif
123 parent::SetView();
124 }
125
126 virtual void UpdateGUISceneTree() {
127 if (fUIQt) fUIQt->UpdateSceneTree(fSceneTree);
128 }
129
130 protected:
131 G4UIQt* fUIQt = nullptr;
132 QWidget* fSGQWidget;
133 G4ToolsSGQtDestroyCallback* fDestroyCallback;
134 };
135
136 #endif
137